JP5471184B2 - Fall detection device - Google Patents

Fall detection device Download PDF

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JP5471184B2
JP5471184B2 JP2009201505A JP2009201505A JP5471184B2 JP 5471184 B2 JP5471184 B2 JP 5471184B2 JP 2009201505 A JP2009201505 A JP 2009201505A JP 2009201505 A JP2009201505 A JP 2009201505A JP 5471184 B2 JP5471184 B2 JP 5471184B2
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light
light reflector
funnel
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reflector
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JP2011054388A (en
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正芳 宮原
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Panasonic Corp
Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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本発明は、電気製品等の機器の転倒状態を検知する転倒検知装置に関するものである。   The present invention relates to a fall detection device that detects a fall state of a device such as an electric product.

近年、加湿機や除湿機等の水に関する機器や石油ファンヒーター等の液体燃料を使用する機器など、液体を扱う一般使用の電気製品が多数商品化されているが、このような電気製品の機器においては通常可搬形態であり固定設置で無い場合が大半であるため、使用上の不注意や地震等の外力により転倒する場合がある。機器の転倒が発生すると扱う液体が漏れ出すこともあり、このような扱う液体が漏れた状態において機器が通電されて運転の状態にあれば機器内部への液体の漏れによる電気回路の故障や発火の原因となり、また機器の外部に漏れると床面や家具の損壊や火災の発生の原因と成り得るために、機器の転倒の状態を検知して報知することや、あるいは機器の運転の状態を停止する安全対策が重要となっている。   In recent years, many general-use electrical products that handle liquids have been commercialized, such as water-related devices such as humidifiers and dehumidifiers, and devices that use liquid fuel such as petroleum fan heaters. In most cases, there are cases in which it is usually portable and not fixedly installed, so it may fall over due to carelessness in use or an external force such as an earthquake. If the device falls, the liquid to be handled may leak, and if the liquid to be handled leaks, if the device is energized and in operation, the electrical circuit may fail or ignite due to the liquid leaking into the device. If it leaks to the outside of the equipment, it may cause damage to the floor or furniture, or cause a fire. Safety measures to stop are important.

従来、この種の機器の転倒状態を検知する方法としては、機器のある程度以上の傾きをスイッチ的に検知する傾斜スイッチや機器の傾き角度の詳細を検知する傾斜センサーの検知した角度の情報に基づいて転倒を判断する方式が一般的に知られている（例えば、特許文献１参照）。   Conventionally, as a method of detecting the falling state of this type of device, based on information on an angle detected by an inclination switch that detects the inclination of the device more than a certain degree in a switch manner or an inclination sensor that detects details of the inclination angle of the device. In general, a method for determining a fall is known (see, for example, Patent Document 1).

以下、その傾斜スイッチについて図２４を参照しながら説明する。   The tilt switch will be described below with reference to FIG.

傾斜スイッチの本体の基本を成すケース１０１内部の略円すい状の窪み１０２の先端に円柱状の窪み１０３を備え、上記円柱状の窪み１０３の開口径よりも大きい球体１０４をその上に乗せ、その上から上記球体１０４が略円すい状の窪み１０２上を自由に転がるようにカバー１０５で覆い、かつ、上記円柱状の窪み１０３の底にフォトセンサー１０６を設けて構成したものである。ここで、フォトセンサー１０６は対象に光を投光し対象からの光の反射の有無で対象の有無を検知する反射型のものである。このように構成された実施例の傾斜スイッチが水平の場合には球体１０４が円柱上の窪み１０３に転がり込み、フォトセンサー１０６が球体１０４からの反射光を多く検知することで水平であることを判断することができ、また、傾斜した場合は、球体１０４が円柱上の窪み１０３から傾斜方向に転がり、フォトセンサー１０６は球体１０４からの反射光が少なく、あるいは反射光が受けられなくなり、傾斜の状態を検知することができなくなるために、この状態をもって転倒の判断を実施するものである。   A cylindrical recess 103 is provided at the tip of a substantially conical recess 102 inside the case 101 that forms the base of the tilt switch body, and a sphere 104 larger than the opening diameter of the cylindrical recess 103 is placed thereon, The sphere 104 is covered with a cover 105 so that the sphere 104 can freely roll on the substantially conical recess 102 from above, and a photo sensor 106 is provided on the bottom of the cylindrical recess 103. Here, the photosensor 106 is of a reflective type that projects light onto the object and detects the presence or absence of the object based on the presence or absence of reflection of light from the object. When the tilt switch of the embodiment configured in this manner is horizontal, the sphere 104 rolls into the depression 103 on the cylinder, and the photo sensor 106 detects that the reflected light from the sphere 104 is large, thereby indicating that it is horizontal. In the case of tilting, the sphere 104 rolls in the tilt direction from the depression 103 on the cylinder, and the photosensor 106 has little reflected light from the sphere 104 or cannot receive the reflected light. Since it becomes impossible to detect the state, the judgment of falling is carried out in this state.

なお、着磁した磁性体を可動体とし、この可動体から生じる磁気の接近を磁気センサーにて検知することで、この磁気センサーの磁気検知の有無に基づいて傾斜や転倒の検知判断を行う構成も示されている（例えば、特許文献２参照）。   A configuration in which a magnetized magnetic body is used as a movable body, and the approach of magnetism generated from the movable body is detected by a magnetic sensor, so that the determination of inclination or falling is performed based on the presence or absence of magnetic detection of the magnetic sensor. Is also shown (see, for example, Patent Document 2).

以下、その傾斜センサーについて図２５を参照しながら説明する。   Hereinafter, the inclination sensor will be described with reference to FIG.

傾斜センサーの本体の基本で支持体の上下を成し、有底円筒状の上ケース体１１１と下ケース体１１２と、これら上ケース体１１１と下ケース体１１２の開口縁同士の接合部に球面状に湾曲成形した球面板１１３の周縁を狭持して備え、前記下ケース体１１２の底壁内面には、凹状球面１１２ａが形成され、球面板１１３の下面方向には下ケース体１１２に形成された凹状球面１１２ａと対向するように凸状球面１１３ａが形成されており、これら、凹状球面１１２ａと凸状球面１１３ａとは中心が互いに同一であり両者対向面間の径方向の間隔寸法が全面に渡って一定として空室１１７ａを形成している。また前記空室１１７ａには永久磁石１１４を収容し、球面板１１３の上面と上ケース体１１１の内面とで形成される空室１１７ｂには磁気を検出する少なくとも３個のホール素子１１５と、またこの各ホール素子１１５の磁気の検出状態から傾きの状態を判定するための制御回路１１６を配置し備えている。ここで、永久磁石１１４は、凸状球面１１３ａと凹状球面１１２ａにより構成される空室１１７ａとの間の隙間寸法よりわずかに薄く成形すると共にそのエッジ部分を全周に渡って円弧状に成形することで、空室１１７ａの内部において上下動を防止した状態で円滑に摺動できるように形成し、さらには潤滑性オイル１１８を封入して永久磁石１１４の移動に適度な抵抗を与えることで外部振動による永久磁石１１４のふらつきを抑制し、また外部磁気の影響が懸念される場合には、この上ケース体１１１と下ケース体１１２をアルミ板等の金属板で外囲し、あるいは導電性塗料を塗布して磁気シールド加工を施すことで安定した傾きや転倒状態の検知ができるように構成したものであった。   The base of the tilt sensor body forms the upper and lower sides of the support, and the bottom case cylindrical upper case body 111 and lower case body 112 and spherical surfaces at the joints between the opening edges of the upper case body 111 and the lower case body 112. The spherical plate 113 is curved and shaped so as to sandwich the periphery of the spherical plate 113. A concave spherical surface 112 a is formed on the inner surface of the bottom wall of the lower case body 112, and the lower case body 112 is formed in the lower surface direction of the spherical plate 113. A convex spherical surface 113a is formed to face the concave spherical surface 112a. The concave spherical surface 112a and the convex spherical surface 113a have the same center, and the radial distance between the opposing surfaces is the entire surface. The vacant chamber 117a is formed over a constant area. The vacant chamber 117a contains a permanent magnet 114, and the vacant chamber 117b formed by the upper surface of the spherical plate 113 and the inner surface of the upper case body 111 has at least three Hall elements 115 for detecting magnetism, A control circuit 116 for determining the inclination state from the magnetic detection state of each Hall element 115 is provided. Here, the permanent magnet 114 is formed to be slightly thinner than the gap between the vacant chamber 117a formed by the convex spherical surface 113a and the concave spherical surface 112a, and the edge portion thereof is formed into an arc shape over the entire circumference. Thus, the inside of the vacant chamber 117a is formed so as to be able to slide smoothly in a state where vertical movement is prevented, and further, the lubricating oil 118 is enclosed so as to give an appropriate resistance to the movement of the permanent magnet 114. When the wobbling of the permanent magnet 114 due to vibration is suppressed and there is a concern about the influence of external magnetism, the upper case body 111 and the lower case body 112 are surrounded by a metal plate such as an aluminum plate or conductive paint. It was configured to be able to detect a stable tilt and a fall state by applying a magnetic shield process.

実開平０４−１１２４３６号公報Japanese Utility Model Publication No. 04-112436 特開平０８−２６１７５８号公報Japanese Patent Laid-Open No. 08-261758

このような従来の傾斜スイッチにおいては、円柱状の窪み１０３の開口径よりも大きい球体１０４をその円柱状の窪み１０３の上に乗せ、円柱状の窪み１０３の底に配置した反射型のフォトセンサー１０６により光の反射の有無で球体１０４の存在の有無を検知して、この検知結果に基づいて傾斜や転倒の判断を行う構成であるために、容易に転がる形状である球形の球体１０４が転倒以外の外部からの衝撃等により円柱上の窪み１０３を乗り越え飛び出し易く、外部からの振動に対して誤検知が発生し易い課題があった。   In such a conventional tilt switch, a reflection type photosensor in which a sphere 104 larger than the opening diameter of the cylindrical depression 103 is placed on the cylindrical depression 103 and arranged on the bottom of the cylindrical depression 103. 106, the presence or absence of the sphere 104 is detected based on the presence or absence of light reflection, and the determination of the inclination or the fall is made based on the detection result. There is a problem in that it is easy to jump over the hollow 103 on the cylinder due to an impact from the outside other than the above, and erroneous detection is likely to occur with respect to vibration from the outside.

また、フォトセンサー１０６が投光した光が円柱上の窪み１０３に球体１０４が存在しているときには、この球体１０４の球表面にて反射して、この反射した光を、再度、フォトセンサー１０６で受光することで、このときに傾斜や転倒の状態に無いと判断することが転倒の判断の基本としているために、長期の使用においては、この可動部分である球体１０４の表面が酸化、あるいは埃が付着するなどの物理的劣化が進行することで光の反射量が低下しフォトセンサー１０６の受光感度を下回った時点で円柱上の窪み１０３に球体１０４が存在していることが検知できなる技術的課題があり、よって長期的使用に際しては安定的な非転倒、および転倒状態の検知性能が劣化する課題があった。   When the sphere 104 is present in the hollow 103 on the cylinder, the light projected by the photo sensor 106 is reflected by the sphere surface of the sphere 104, and the reflected light is again reflected by the photo sensor 106. Since it is the basis of the judgment of the fall that it is judged that there is no tilt or fall at this time by receiving the light, the surface of the sphere 104 as the movable part is oxidized or dusted for a long period of use. Technology that makes it possible to detect the presence of the sphere 104 in the depression 103 on the cylinder when the amount of reflected light decreases due to the progress of physical deterioration such as adhesion, and falls below the light receiving sensitivity of the photosensor 106. Therefore, there is a problem that the stability of non-falling and the detection of the falling state deteriorates during long-term use.

また、上ケース体１１１と下ケース体１１２によって覆われた凹状球面１１２ａの上に摺動自在に配置された円弧状に成形された永久磁石１１４の磁気の有無を上ケース体１１１の側に配置したホール素子１１５にて検知することで傾きの状態を判定可能とする構成においては、外部磁気の影響が懸念される場合には、この上ケース体１１１と下ケース体１１２をアルミ板等の金属板で外囲し、あるいは導電性塗料を塗布して磁気シールド加工を施すことで安定した傾き状態の検知ができるようにしているが、現実的に磁気シールドを有効とするためには実施するためには上ケース体１１１、および下ケース体１１２を磁性体にて構成する必要があるが、上ケース体１１１、および下ケース体１１２を磁性体で構成したときには、内部に配置する永久磁石１１４との間においても磁気に基づく吸引力が発生し、傾きが生じている状態での凹状球面１１２ａの上永久磁石１１４の摺動による移動に影響を与えることとなり、正常な傾きや転倒の判定が行えないこととなる課題があった。   Further, the presence or absence of magnetism of the arc-shaped permanent magnet 114 slidably disposed on the concave spherical surface 112 a covered by the upper case body 111 and the lower case body 112 is disposed on the upper case body 111 side. In the configuration in which the inclination state can be determined by detecting with the Hall element 115, if there is a concern about the influence of external magnetism, the upper case body 111 and the lower case body 112 are made of a metal such as an aluminum plate. It is possible to detect a stable tilt state by enclosing with a plate or applying a conductive paint and applying magnetic shield processing, but in order to make the magnetic shield effective in practice The upper case body 111 and the lower case body 112 need to be made of a magnetic material. However, when the upper case body 111 and the lower case body 112 are made of a magnetic material, they are arranged inside. A magnetic attraction force is also generated between the permanent magnet 114 and the permanent magnet 114, which affects the movement of the concave spherical surface 112a due to the sliding of the upper permanent magnet 114 in a state where the tilt is generated. There was a problem that it was impossible to determine whether to fall.

本発明は、このような従来の課題を解決するものであり、外部からの振動等に対して誤検知が発生し難い構成とすることにより、より安定した非転倒および転倒状態の検知ができる転倒検知装置を提供することを目的としている。   The present invention solves such a conventional problem, and it is possible to more stably detect a non-falling and falling state by adopting a configuration in which erroneous detection is less likely to occur due to external vibration or the like. The object is to provide a detection device.

また、長期の使用において酸化、あるいは埃が付着するなどの物理的劣化が進行しても、あるいは、外部磁気の影響が懸念される状態においても、より安定した非転倒および転倒状態の検知ができる転倒検知装置を提供することを目的としている。   In addition, even when physical deterioration such as oxidation or adhesion of dust progresses during long-term use, or even when there is a concern about the influence of external magnetism, more stable non-falling and falling state can be detected. The object is to provide a fall detection device.

そして、この目的を達成するために、本発明は、機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させ
るための光透過開口を備え、前記光反射子は水平面上での安定状態において平面視が円形で側面視が重力方向に潰れた楕円形状として前記凹面容器の内面と点接触することにより前記対象検知手段の照射する光の反射の分散を抑制するものであり、これにより所期の目的を達成するものである。 In order to achieve this object, the present invention provides a fall detection device is disposed substantially horizontally with respect to the gravitational direction is incorporated in the device,
A concave container having a Hisashi Naka is recessed in funnel-shaped space, the bottom of the recess of the concave vessel, the target detecting means for detecting the presence or absence of the target in the presence or absence of the reflected light is irradiated with light in a vertical direction, wherein a light reflecting element formed in a non-magnetic material that reflects light irradiated of said target detection means while movably freely placed inside the concave vessel funnel-shaped depressions, funnel-shaped recess of the concave container funnel-shaped and container closure for a lid over the space of the recess, the object detecting means irradiates light side reflector to the bottom of the funnel-shaped recess of the concave container in a state that takes the light reflecting element within the Allows the reflected light to pass through
It comprises a light transmissive aperture in order, before Symbol light side reflector is that the plan view in side view a circular contacts the inner surface and the point of the concave vessel and the elliptical shape collapsed in the direction of gravity in a stable state on the horizontal plane This suppresses the dispersion of the reflection of the light irradiated by the object detection means , thereby achieving the intended purpose.

また本発明は、機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、前記光反射子は、水平面上での安定状態において平面視が円形で側面視が重力方向に潰れた楕円形状で全体を透明材で形成し、かつ、この光反射子の内部で光反射子を側面方向から見たときの楕円形状の長軸面の中央に光を反射させるための光反射面板を挟み込んだものである。 Further, the present invention provides a fall detection device that is built in a device and arranged substantially horizontally with respect to the direction of gravity.
A concave container having a space with a funnel-shaped center in the center, a target detection means for irradiating light in the vertical direction to the bottom of the concave of the concave container and detecting the presence or absence of the target, and the concave surface A light reflector formed of a non-magnetic material that reflects the light emitted from the target detection means in a freely movably disposed state inside the funnel-shaped depression of the container, and a funnel-shaped depression of the concave container A container lid that covers and covers the space of the funnel-shaped depression in the state where the light reflector is placed inside, and the object detection means irradiates the lowermost part of the funnel-shaped depression of the concave container and the light reflector The light reflector is provided with a light transmission aperture for transmitting the reflected light, and the light reflector is formed of a transparent material in an elliptical shape in which the planar view is circular and the side view is collapsed in the gravity direction in a stable state on a horizontal plane. And, inside this light reflector, the light reflector In which sandwich the light reflection surface plate for reflecting light in the center of the long axis side of the elliptical shape when viewed.

また本発明は、機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、前記光反射子は、水平面上での安定状態において平面視が円形で側面視が重力方向に潰れた楕円形状で全体を中空構造とし、その外郭を無数の細かい網目状の開口を有した薄い籠状外郭で構成し、かつ、この光反射子の内部で光反射子を側面方向から見たときの楕円形状の長軸面の中央に光を反射させるための光反射面板を配置したものである。 Further, the present invention provides a fall detection device that is built in a device and arranged substantially horizontally with respect to the direction of gravity.
A concave container having a space with a funnel-shaped center in the center, a target detection means for irradiating light in the vertical direction to the bottom of the concave of the concave container and detecting the presence or absence of the target, and the concave surface A light reflector formed of a non-magnetic material that reflects the light emitted from the target detection means in a freely movably disposed state inside the funnel-shaped depression of the container, and a funnel-shaped depression of the concave container A container lid that covers and covers the space of the funnel-shaped depression in the state where the light reflector is placed inside, and the object detection means irradiates the lowermost part of the funnel-shaped depression of the concave container and the light reflector The light reflector is provided with a light transmission opening for transmitting reflected light, and the light reflector has an elliptical shape with a circular plan view and a side view collapsed in the gravity direction in a stable state on a horizontal plane, and has a hollow structure as a whole. A thin coral with countless fine mesh openings in the outer shell Composed of shell and is obtained by arranging the light reflecting surface plate for reflecting light in the center of the long axis side of the elliptic shape when viewed light reflection member at the interior of the light-reflecting element from the side.

また本発明は、機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、前記光反射子を水平面上に安定させた状態の側面視において、縦方向に内部を円筒状に中空とした筒状空間を設け、この筒状空間の内部に水平面上にて平板形状の錘板を可動自在として配置したものである。 Further, the present invention provides a fall detection device that is built in a device and arranged substantially horizontally with respect to the direction of gravity.
A concave container having a space with a funnel-shaped center in the center, a target detection means for irradiating light in the vertical direction to the bottom of the concave of the concave container and detecting the presence or absence of the target, and the concave surface A light reflector formed of a non-magnetic material that reflects the light emitted from the target detection means in a freely movably disposed state inside the funnel-shaped depression of the container, and a funnel-shaped depression of the concave container A container lid that covers and covers the space of the funnel-shaped depression in the state where the light reflector is placed inside, and the object detection means irradiates the lowermost part of the funnel-shaped depression of the concave container and the light reflector A cylindrical space having a light transmission opening for transmitting reflected light and having a hollow inside in a vertical direction in a side view in a state where the light reflector is stabilized on a horizontal plane is provided. A plate-shaped weight plate on a horizontal plane One in which was arranged.

本発明によれば、機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反
射する非磁性体にて形成された光反射子と、前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、前記光反射子は水平面上での安定状態において平面視が円形で側面視が重力方向に潰れた楕円形状として前記凹面容器の内面と点接触することにより前記対象検知手段の照射する光の反射の分散を抑制するという構成にしたことにより、光反射子の側面視を準楕円形状としていることで外部からの多少の衝撃等に対しても光反射子は転がることがなく球体形状に比べて移動し難くなり、さらに、光反射子の反射面は、準楕円形状で、平面に近い形状であるため、反射する光の分散を抑えることができる。
また、光反射子は非磁性体材料にて構成していることで外部磁界の影響を受ける環境においても磁気的吸引力により動きを妨げられることがないために、外部からの振動等に対する誤検知の発生を抑制して外部磁界の影響も受けない、より安定した非転倒および転倒の状態の検知ができるという効果を得ることができる。 According to the present invention, the overturn detection device which is disposed substantially horizontally with respect to the gravitational direction is incorporated in the device,
A concave container having a Hisashi Naka is recessed in funnel-shaped space, the bottom of the recess of the concave vessel, the target detecting means for detecting the presence or absence of the target in the presence or absence of the reflected light is irradiated with light in a vertical direction, wherein a light reflecting element formed in a non-magnetic material that reflects light irradiated of said target detection means while movably freely placed inside the concave vessel funnel-shaped depressions, funnel-shaped recess of the concave container funnel-shaped and container closure for a lid over the space of the recess, the object detecting means irradiates light side reflector to the bottom of the funnel-shaped recess of the concave container in a state that takes the light reflecting element within the There comprises a light transmissive aperture for transmitting the light reflected, before Symbol light side reflector is an elliptical shape in plan view is a side view in circular collapsed in the direction of gravity in a stable state on a horizontal plane of the concave container illuminating said object detecting means by contact with the inner point By having a configuration of suppressing the dispersion of reflection, the spherical shape without rolls also light side reflector relative to some external impact or the like by the side view of the light reflecting element has a quasi-elliptical shape In addition, the reflecting surface of the light reflector is quasi-elliptical and has a shape close to a flat surface, so that dispersion of reflected light can be suppressed.
In addition, since the light reflector is made of a non-magnetic material, its movement is not hindered by the magnetic attractive force even in an environment affected by an external magnetic field. It is possible to obtain an effect that it is possible to detect the state of non-falling and falling more stably without being affected by an external magnetic field.

また本発明によれば、機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、前記光反射子は、水平面上での安定状態において平面視が円形で側面視が重力方向に潰れた楕円形状で全体を透明材で形成し、かつ、この光反射子の内部で光反射子を側面方向から見たときの楕円形状の長軸面の中央に光を反射させるための光反射面板を挟み込んだことにより、光反射子の表面と凹面容器の内面との滑り性を高め、転倒発生時における光反射子の凹面容器の内面での光反射子の移動をより妨げ難くすることで、より安定的に機器の非転倒および転倒の状態を検知することができる。 According to the present invention, in the fall detection device that is built in the device and arranged substantially horizontally with respect to the direction of gravity,
A concave container having a space with a funnel-shaped center in the center, a target detection means for irradiating light in the vertical direction to the bottom of the concave of the concave container and detecting the presence or absence of the target, and the concave surface A light reflector formed of a non-magnetic material that reflects the light emitted from the target detection means in a freely movably disposed state inside the funnel-shaped depression of the container, and a funnel-shaped depression of the concave container A container lid that covers and covers the space of the funnel-shaped depression in the state where the light reflector is placed inside, and the object detection means irradiates the lowermost part of the funnel-shaped depression of the concave container and the light reflector The light reflector is provided with a light transmission aperture for transmitting the reflected light, and the light reflector is formed of a transparent material in an elliptical shape in which the planar view is circular and the side view is collapsed in the gravity direction in a stable state on a horizontal plane. And, inside this light reflector, the light reflector By sandwiching the light reflecting surface plate for reflecting light in the center of the long axis side of the elliptical shape when viewed, enhanced sliding property between the surface and the concave container inner surface of the light reflecting element, light in a fall occurs By making the movement of the light reflector more difficult to interfere with the inner surface of the concave container of the reflector, it is possible to detect the non-falling and falling state of the device more stably .

また本発明によれば、機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、前記光反射子は、水平面上での安定状態において平面視が円形で側面視が重力方向に潰れた楕円形状で全体を中空構造とし、その外郭を無数の細かい網目状の開口を有した薄い籠状外郭で構成し、かつ、この光反射子の内部で光反射子を側面方向から見たときの楕円形状の長軸面の中央に光を反射させるための光反射面板を配置したことにより、籠状外郭で形成した光反射子の表面においても凹面容器の内面との滑り性をさらに高め、転倒発生時における光反射子の凹面容器の内面での光反射子の移動をより妨げ難くすることで、より安定的に機器の非転倒および転倒の状態を検知することができる。 According to the present invention, in the fall detection device that is built in the device and arranged substantially horizontally with respect to the direction of gravity,
A concave container having a space with a funnel-shaped center in the center, a target detection means for irradiating light in the vertical direction to the bottom of the concave of the concave container and detecting the presence or absence of the target, and the concave surface A light reflector formed of a non-magnetic material that reflects the light emitted from the target detection means in a freely movably disposed state inside the funnel-shaped depression of the container, and a funnel-shaped depression of the concave container A container lid that covers and covers the space of the funnel-shaped depression in the state where the light reflector is placed inside, and the object detection means irradiates the lowermost part of the funnel-shaped depression of the concave container and the light reflector The light reflector is provided with a light transmission opening for transmitting reflected light, and the light reflector has an elliptical shape with a circular plan view and a side view collapsed in the gravity direction in a stable state on a horizontal plane, and has a hollow structure as a whole. A thin coral with countless fine mesh openings in the outer shell Composed of shell and, by disposing the light reflecting surface plate for reflecting light in the center of the major axis plane of the elliptical shape when viewed light reflection member at the interior of the light-reflecting element from the side, the cage Even on the surface of the light reflector formed by the outer shell, the slipperiness with the inner surface of the concave container is further improved, and the movement of the light reflector on the inner surface of the concave container of the light reflector at the time of falling is made more difficult to prevent. Therefore, it is possible to detect the non-falling state and the falling state of the device more stably .

また本発明によれば、機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、前記凹面容器の
漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、前記光反射子を水平面上に安定させた状態の側面視において、縦方向に内部を円筒状に中空とした筒状空間を設け、この筒状空間の内部に水平面上にて平板形状の錘板を可動自在として配置したことにより、光反射子の重心軸に対する全体の重量バランスを短軸の中央から周辺に移動させ、また低重心化することで、光反射子の凹面容器の漏斗状の窪みの内部における安定性と移動性を向上させることで、さらに機器の非転倒および転倒の状態を検知の安定的性を高めることができる。 According to the present invention, in the fall detection device that is built in the device and arranged substantially horizontally with respect to the direction of gravity,
A concave container having a space with a funnel-shaped center in the center, a target detection means for irradiating light in the vertical direction to the bottom of the concave of the concave container and detecting the presence or absence of the target, and the concave surface Container
A light reflector formed of a non-magnetic material that reflects the light irradiated by the target detection means in a freely movably disposed state inside the funnel-shaped depression, and a funnel-shaped depression in the concave container A container lid that covers and covers the space of the funnel-shaped depression in the state where the light reflector is inserted, and the object detection means irradiates the lowermost part of the funnel-shaped depression of the concave container, and the light reflector reflects. A cylindrical space having a light transmission opening for transmitting light and having a hollow cylindrical interior in the vertical direction is provided in a side view in a state where the light reflector is stabilized on a horizontal plane. By placing a flat weight plate on the horizontal plane so that it can move freely, the overall weight balance with respect to the center of gravity of the light reflector is moved from the center of the minor axis to the periphery, and the center of gravity is lowered. , Within the funnel-shaped depression of the concave container of the light reflector In to improve the mobility and stability, it is possible to further enhance the stability of the detected non-overturning and falling state of the device.

本発明の第１の実施の形態の転倒検知装置の構成を示す側面視方向の断面図Sectional drawing of the side view direction which shows the structure of the fall detection apparatus of the 1st Embodiment of this invention 同転倒検知装置の対象検知手段の周辺の構成を示す側面視方向の部分拡大断面図Partially enlarged sectional view in the side view direction showing the configuration around the object detection means of the fall detection device 同転倒検知装置の転倒状態における対象検知手段の周辺の状態を示す側面視方向の部分拡大断面図The partial expanded sectional view of the side view direction which shows the surrounding state of the object detection means in the fall state of the fall detection apparatus 同転倒検知装置に備える光反射子の構成図（（ａ）平面図、（ｂ）側面図）Configuration diagram of light reflector provided in the fall detection device ((a) plan view, (b) side view) 同転倒検知装置の光反射子の凹面容器に対する非転倒安定時の接触の状態を示した側面視方向の部分拡大断面図The partial expanded sectional view of the side view direction which showed the state of the contact at the time of the non-falling stability with respect to the concave container of the light reflector of the same fall detection apparatus 同転倒検知装置の対象検知手段２が照射した光と光反射子で反射した光の状態を模式的に示した側面視方向の状態図State diagram of the side view direction schematically showing the state of the light irradiated by the object detection means 2 of the fall detection device and the light reflected by the light reflector 同転倒検知装置の光反射子の内部構成を示す側面視方向の部分破断断面図Partially cutaway sectional view in the side view direction showing the internal configuration of the light reflector of the fall detection device 同転倒検知装置の光反射子の表面の状態を示す部分拡大面図Partial enlarged view showing the state of the surface of the light reflector of the fall detection device 同転倒検知装置の光反射子に設けた鏡面部の配置を示した構成図（（ａ）平面図、（ｂ）側面図）The block diagram which showed the arrangement | positioning of the mirror surface part provided in the light reflector of the fall detection apparatus ((a) top view, (b) side view) 同転倒検知装置の透明材で形成し光反射面板を内蔵させた光反射子の構成を示した側面図Side view showing the configuration of a light reflector formed of a transparent material and incorporating a light reflecting face plate of the fall detection device 同転倒検知装置の透明材で形成し内蔵させる光反射面板の表面に乱反射加工施した光反射子の構成を示した側面図Side view showing the configuration of a light reflector that is made of a transparent material and is subjected to irregular reflection processing on the surface of the light reflecting face plate to be built in the fall detection device. 同転倒検知装置の透明材で形成し内蔵させる光反射面板をソロバン珠形状の双円錐とした光反射子の構成を示した側面図Side view showing the structure of a light reflector made of a transparent material of the fall detection device and having a light reflecting face plate made into a built-in abacus bead. 同転倒検知装置の透明材で形成し内蔵させる光反射面板を準楕円形状とした光反射子の構成を示した側面図Side view showing the structure of a light reflector made of a transparent material of the fall detection device with a semi-elliptical light reflecting face plate 同転倒検知装置の籠状外郭で形成し光反射面板を内蔵させた光反射子の構成を示した側面視方向の断面図A sectional view in a side view direction showing a configuration of a light reflector formed of a bowl-shaped outline of the fall detection device and incorporating a light reflecting face plate 同転倒検知装置の籠状外郭で形成した光反射子に設けた鏡面部の配置を示した側面図Side view showing the arrangement of the mirror surface provided on the light reflector formed by the bowl-shaped outer shell of the fall detection device 同転倒検知装置のリング状の重量体を備えた光反射子の構成図（（ａ）平面図、（ｂ）側面視方向の断面図）Configuration diagram of light reflector provided with ring-shaped weight body of same fall detection device ((a) plan view, (b) sectional view in side view direction) 同転倒検知装置の錘板を内蔵させた光反射子の構成を示した側面視方向の断面図Sectional view in the side view direction showing the configuration of a light reflector with a built-in weight plate of the fall detection device 同転倒検知装置の籠状外郭で形成し錘板を内蔵させた光反射子の構成を示した側面視方向の断面図Cross-sectional view in the side view direction showing the configuration of a light reflector formed with a bowl-shaped outline of the fall detection device and incorporating a weight plate 本実施の形態２の転倒検知装置の構成を示す側面視方向の断面図Sectional drawing of the side view direction which shows the structure of the fall detection apparatus of this Embodiment 2. 本実施の形態３の転倒検知装置の構成を示す側面視方向の断面図Sectional drawing of the side view direction which shows the structure of the fall detection apparatus of this Embodiment 3. 本実施の形態４の転倒検知装置の構成を示す側面視方向の断面図Sectional drawing of the side view direction which shows the structure of the fall detection apparatus of this Embodiment 4. 本実施の形態５の転倒検知装置の構成を示す側面視方向の断面図Sectional drawing of the side view direction which shows the structure of the fall detection apparatus of this Embodiment 5. 本実施の形態６の転倒検知装置の構成を示す側面視方向の断面図Sectional drawing of the side view direction which shows the structure of the fall detection apparatus of this Embodiment 6. 従来の傾斜スイッチの構成を示す側面視方向の断面図Sectional drawing of the side view direction which shows the structure of the conventional inclination switch 従来の傾斜センサーの構成を示す側面視方向の断面図Sectional drawing of the side view direction which shows the structure of the conventional inclination sensor

本発明の請求項１記載の転倒検知装置は、機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、前記光反射子は水平面上での安定状態において平面視が円形で側面視が重力方向に潰れた楕円形状として前記凹面容器の内面と点接触することにより前記対象検知手段の照射する光の反射の分散を抑制するものである。これにより、光反射子の側面視を準楕円形状としていることで外部からの多少の衝撃等に対しても光反射子は転がることがなく比較的に移動し難くなり、また光反射子は非磁性体材料にて構成していることで外部磁界の影響を受ける環境においても磁気的吸引力により動きを妨げられることがないために、外部からの振動等に対する誤検知の発生を抑制して外部磁界の影響も受けないので、より安定した非転倒および転倒の状態の検知ができるという効果を奏する。 Fall detection device according to a first aspect of the present invention is the overturn detection device which is disposed substantially horizontally with respect to the gravitational direction is incorporated in the device,
A concave container having a Hisashi Naka is recessed in funnel-shaped space, the bottom of the recess of the concave vessel, the target detecting means for detecting the presence or absence of the target in the presence or absence of the reflected light is irradiated with light in a vertical direction, wherein a light reflecting element formed in a non-magnetic material that reflects light irradiated of said target detection means while movably freely placed inside the concave vessel funnel-shaped depressions, funnel-shaped recess of the concave container funnel-shaped and container closure for a lid over the space of the recess, the object detecting means irradiates light side reflector to the bottom of the funnel-shaped recess of the concave container in a state that takes the light reflecting element within the There comprises a light transmissive aperture for transmitting the light reflected, before Symbol light side reflector is an elliptical shape in plan view is a side view in circular collapsed in the direction of gravity in a stable state on a horizontal plane of the concave container illuminating said object detecting means by contact with the inner point It is intended to suppress the dispersion of reflection. As a result, the side view of the light reflector has a quasi-elliptical shape, so that the light reflector does not roll and is relatively difficult to move even with a slight impact from the outside. Because it is made of magnetic material, the movement is not hindered by the magnetic attractive force even in the environment affected by the external magnetic field. Since it is not affected by the magnetic field, it is possible to detect a more stable non-falling and falling state.

また、光反射子の表面に光を多方向に反射する乱反射加工を施した構成にしてもよい。これにより、光反射子の表面における対象検知手段への光の再反射効率を高めることで、光反射子の表面が酸化や、埃が付着するなどの物理的劣化が進行しても反射光の低減を抑制することができるために、さらに長期に渡り安定的に機器の非転倒および転倒の状態を検知することがでるという効果を奏する。 Alternatively, the surface of the light reflector may be subjected to irregular reflection processing that reflects light in multiple directions. This increases the re-reflection efficiency of the light to the target detection means on the surface of the light reflector, so that the reflected light can be reflected even if the surface of the light reflector is oxidized or the physical deterioration such as adhesion of dust progresses. Since the reduction can be suppressed, there is an effect that it is possible to detect the non-falling state and the falling state of the device stably for a longer period of time.

また、光反射子を側面方向から見て楕円形状の短軸上の上下２箇所となる部位に鏡面部を設ける構成にしてもよい。これにより、光反射子の表面と凹面容器の内面との滑り性を高め、転倒発生時における光反射子の凹面容器の内面での光反射子の移動をより妨げ難くすることで、より安定的に機器の非転倒および転倒の状態を検知することがでるという効果を奏する。 Moreover, you may make it the structure which provides a mirror surface part in the site | part used as two places on the upper and lower sides of an elliptical shape when seeing a light reflector from a side surface direction. As a result, the slipperiness between the surface of the light reflector and the inner surface of the concave container is improved, and the movement of the light reflector on the inner surface of the concave container of the light reflector at the time of the fall is made more difficult to be prevented, thereby making it more stable. In addition, there is an effect that it is possible to detect the non-falling state and the falling state of the device.

また、機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、前記光反射子は、水平面上での安定状態において平面視が円形で側面視が重力方向に潰れた楕円形状で全体を透明材で形成し、かつ、この光反射子の内部で光反射子を側面方向から見たときの楕円形状の長軸面の中央に光を反射させるための光反射面板を挟み込んだ構成にしてもよい。これにより、光反射子の表面と凹面容器の内面との滑り性を高め、転倒発生時における光反射子の凹面容器の内面での光反射子の移動をより妨げ難くすることで、より安定的に機器の非転倒および転倒の状態を検知することができるという効果を奏する。 In addition, in the fall detection device that is built in the device and arranged substantially horizontally with respect to the direction of gravity,
A concave container having a space with a funnel-shaped center in the center, a target detection means for irradiating light in the vertical direction to the bottom of the concave of the concave container and detecting the presence or absence of the target, and the concave surface A light reflector formed of a non-magnetic material that reflects the light emitted from the target detection means in a freely movably disposed state inside the funnel-shaped depression of the container, and a funnel-shaped depression of the concave container A container lid that covers and covers the space of the funnel-shaped depression in the state where the light reflector is placed inside, and the object detection means irradiates the lowermost part of the funnel-shaped depression of the concave container and the light reflector The light reflector is provided with a light transmission aperture for transmitting the reflected light, and the light reflector is formed of a transparent material in an elliptical shape in which the planar view is circular and the side view is collapsed in the gravity direction in a stable state on a horizontal plane. and, side or direction of light reflection member at the inside of the light reflecting element It may be configuration sandwiching the light reflecting surface plate for reflecting light in the center of the long axis side of the elliptical shape when viewed. As a result, the slipperiness between the surface of the light reflector and the inner surface of the concave container is improved, and the movement of the light reflector on the inner surface of the concave container of the light reflector at the time of the fall is made more difficult to be prevented, thereby making it more stable. an effect that it is possible to detect the non-overturning and falling state of the device to.

また、機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、  In addition, in the fall detection device that is built in the device and arranged substantially horizontally with respect to the direction of gravity,
中央を漏斗状に窪ませた空間を有する凹面容器と、この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、前記凹面容器のA concave container having a space with a funnel-shaped center in the center, a target detection means for irradiating light in the vertical direction to the bottom of the concave of the concave container and detecting the presence or absence of the target, and the concave surface Container
漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、前記光反射子は、水平面上での安定状態において平面視が円形で側面視が重力方向に潰れた楕円形状で全体を中空構造とし、その外郭を無数の細かい網目状の開口を有した薄い籠状外郭で構成し、かつ、この光反射子の内部で光反射子を側面方向から見たときの楕円形状の長軸面の中央に光を反射させるための光反射面板を配置した構成にしてもよい。これにより、光反射子の表面と凹面容器の内面との滑り性を保持しながら、さらに、対象検知手段への光の再反射効率を高めることで、転倒発生時における光反射子の凹面容器の内面での光反射子の移動を妨げ難くして、より対象検知手段による光反射子の検知性を高めることができるために、さらに安定的に機器の非転倒および転倒の状態を検知することがでるという効果を奏する。A light reflector formed of a non-magnetic material that reflects the light irradiated by the target detection means in a freely movably disposed state inside the funnel-shaped depression, and a funnel-shaped depression in the concave container A container lid that covers and covers the space of the funnel-shaped depression in the state where the light reflector is inserted, and the object detection means irradiates the lowermost part of the funnel-shaped depression of the concave container, and the light reflector reflects. The light reflector is provided with a light transmission aperture for transmitting light, and the light reflector has an elliptical shape with a circular plan view and a side view collapsed in the gravity direction in a stable state on a horizontal plane, and has a hollow structure as a whole. It is composed of a thin bowl-shaped outline with countless fine mesh openings, and reflects light to the center of an elliptical long-axis surface when the light reflector is viewed from the side in the light reflector. It is also possible to employ a configuration in which a light reflecting face plate is provided. Thereby, while maintaining the slidability between the surface of the light reflector and the inner surface of the concave container, the re-reflection efficiency of the light to the target detection means is further increased, so that the concave container of the light reflector at the time of falling Since it is difficult to hinder the movement of the light reflector on the inner surface, and the detectability of the light reflector by the target detection means can be improved, it is possible to detect the non-falling and falling state of the device more stably. Has the effect of going out.

また、光反射子を側面方向から見て楕円形状の短軸上の上下２箇所となる部位に鏡面部を設ける構成にしてもよい。これにより、籠状外郭で形成した光反射子の表面においても凹面容器の内面との滑り性をさらに高め、転倒発生時における光反射子の凹面容器の内面での光反射子の移動をより妨げ難くすることで、より安定的に機器の非転倒および転倒の状態を検知することができるという効果を奏する。  Moreover, you may make it the structure which provides a mirror surface part in the site | part used as two places on the upper and lower sides of an elliptical shape when seeing a light reflector from a side surface direction. As a result, the slipperiness with the inner surface of the concave container is further enhanced even on the surface of the light reflector formed by the bowl-shaped outer shell, and the movement of the light reflector on the inner surface of the concave container of the light reflector is more hindered when a fall occurs. By making it difficult, there is an effect that it is possible to detect the non-falling and falling state of the device more stably.

また、光反射面板の表面は光の反射率が高い白色系の色調や材質にて構成してもよい。これにより、光反射面板の対象検知手段への光の再反射効率を高めることで、光反射子の表面が酸化や、埃が付着するなどの物理的劣化が進行しても反射光の低減を抑制することができるために、さらに長期に渡り安定的に機器の非転倒および転倒の状態を検知することがでるという効果を奏する。 Further, the surface of the light reflecting face plate may be made of a white color tone or material having a high light reflectance. This increases the light re-reflection efficiency to the target detection means of the light reflecting face plate, thereby reducing the reflected light even if physical deterioration such as oxidation of the surface of the light reflector or adhesion of dust progresses. Since it can suppress, it has the effect that it can detect the state of non-falling and falling of a device stably over a long period of time.

また、光反射面板の表面に光を多方向に反射する乱反射加工を施した構成にしてもよい。これにより、光反射面板の対象検知手段への光の再反射効率を高めることで、光反射子の表面が酸化や、埃が付着するなどの物理的劣化が進行しても反射光の低減を抑制することができるために、さらに長期に渡り安定的に機器の非転倒および転倒の状態を検知することがでるという効果を奏する。 Further, the surface of the light reflecting face plate may be subjected to irregular reflection processing for reflecting light in multiple directions. This increases the light re-reflection efficiency to the target detection means of the light reflecting face plate, thereby reducing the reflected light even if physical deterioration such as oxidation of the surface of the light reflector or adhesion of dust progresses. Since it can suppress, it has the effect that it can detect the state of non-falling and falling of a device stably over a long period of time.

また、光反射面板は水平面上での安定状態の側面視において長軸方向の中央で２分したときに中央を縦方向に厚く、周辺に向かい厚さを薄くしたソロバン珠形状の双円錐とする構成にしてもよい。これにより、光反射子の表面と凹面容器の内面との滑り性と対象検知手段への光の再反射効率を同時に高めることで、転倒発生時における光反射子の凹面容器の内面での光反射子の移動をより妨げ難くして、また機器が転倒状態に無く光反射子が凹面容器の漏斗状の窪みの最下部に移動したときに、凹面容器の最下部の中央位置から多少ずれて傾いた状態で安定しても対象検知手段による光反射子の検知性を高めることができるために、さらに安定的に機器の非転倒および転倒の状態を検知することがでるという効果を奏する。 In addition, the light reflecting face plate is a Soroban pearl-shaped bicone that is thick at the center in the longitudinal direction and thinned toward the periphery when it is bisected at the center in the major axis direction in a side view in a stable state on a horizontal plane. It may be configured. This improves the slidability between the surface of the light reflector and the inner surface of the concave container and the light re-reflection efficiency to the target detection means at the same time, thereby reflecting the light on the inner surface of the concave container of the light reflector when a fall occurs. It makes the movement of the child more difficult, and when the light reflector moves to the lowermost part of the funnel-shaped depression of the concave container and the device is not overturned, it tilts slightly away from the central position of the lowermost part of the concave container. Even if the state is stabilized in a stable state, it is possible to improve the detectability of the light reflector by the target detection means, and it is possible to more stably detect the non-falling and falling state of the device.

また、光反射面板は水平面上での安定状態の側面視において重力方向に潰れた光反射子の曲率よりも小さな曲率を備えた準楕円球形状とする構成にしてもよい。これにより、光反射子の表面と凹面容器の内面との滑り性と対象検知手段への光の再反射効率を同時に高めることで、転倒発生時における光反射子の凹面容器の内面での光反射子の移動をより妨げ難くして、また機器が転倒状態に無く光反射子が凹面容器の漏斗状の窪みの最下部に移動したときに、凹面容器の最下部の中央位置から多少ずれて傾いた状態で安定しても対象検知手段による光反射子の検知性を高めることができるために、さらに安定的に機器の非転倒および転倒の状態を検知することがでるという効果を奏する。 The light reflecting face plate may have a quasi-elliptical sphere shape having a curvature smaller than the curvature of the light reflector collapsed in the direction of gravity in a side view in a stable state on a horizontal plane. This improves the slidability between the surface of the light reflector and the inner surface of the concave container and the light re-reflection efficiency to the target detection means at the same time, thereby reflecting the light on the inner surface of the concave container of the light reflector when a fall occurs. It makes the movement of the child more difficult, and when the light reflector moves to the lowermost part of the funnel-shaped depression of the concave container and the device is not overturned, it tilts slightly away from the central position of the lowermost part of the concave container. Even if the state is stabilized in a stable state, it is possible to improve the detectability of the light reflector by the target detection means, and it is possible to more stably detect the non-falling and falling state of the device.

また、光反射子は水平面上に安定した状態の平面視において円周上の周辺部にリング状の重量体を配置する構成にしてもよい。これにより、光反射子の全体の重量を重くして、光反射子の重心軸に対する全体の重量バランスを短軸の中央から周辺に移動させることで、さらに機器の非転倒および転倒の状態を検知の安定的性を高めることができるという効果を奏する。 In addition, the light reflector may be configured such that a ring-shaped weight body is disposed in a peripheral portion on the circumference in a plan view in a stable state on a horizontal plane. As a result, the overall weight of the light reflector is increased, and the overall weight balance with respect to the center of gravity of the light reflector is moved from the center of the short axis to the periphery. There is an effect that the stability of the can be improved.

また、機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、前記光反射子を水平面上に安定させた状態の側面視において、縦方向に内部を円筒状に中空とした筒状空間を設け、この筒状空間の内部に水平面上にて平板形状の錘板を可動自在として配置した構成にしてもよい。これにより、光反射子の重心軸に対する全体の重量バランスを短軸の中央から周辺に移動させ、また低重心化することで、光反射子の凹面容器の漏斗状の窪みの内部における安定性と移動性を向上させることで、さらに機器の非転倒および転倒の状態を検知の安定的性を高めることができるという効果を奏する。 In addition, in the fall detection device that is built in the device and arranged substantially horizontally with respect to the direction of gravity,
A concave container having a space with a funnel-shaped center in the center, a target detection means for irradiating light in the vertical direction to the bottom of the concave of the concave container and detecting the presence or absence of the target, and the concave surface A light reflector formed of a non-magnetic material that reflects the light emitted from the target detection means in a freely movably disposed state inside the funnel-shaped depression of the container, and a funnel-shaped depression of the concave container A container lid that covers and covers the space of the funnel-shaped depression in the state where the light reflector is placed inside, and the object detection means irradiates the lowermost part of the funnel-shaped depression of the concave container and the light reflector A cylindrical space having a light transmission opening for transmitting reflected light and having a hollow inside in a vertical direction in a side view in a state where the light reflector is stabilized on a horizontal plane is provided. A plate-shaped weight plate on a horizontal plane It may be configured to have disposed. As a result, the overall weight balance with respect to the center of gravity axis of the light reflector is moved from the center of the short axis to the periphery, and the center of gravity of the light reflector is lowered to reduce the stability inside the funnel-shaped depression of the concave container of the light reflector. By improving the mobility, there is an effect that it is possible to further improve the stability of detecting the non-falling and falling state of the device.

また、光反射子の全体を透明材で形成する構成にしてもよい。これにより、光反射子の全体の重量を重くして、光反射子の重心軸に対する全体の重量バランスを短軸の中央から周辺に移動させ、また低重心化することで、光反射子の凹面容器の漏斗状の窪みの内部における安定性と移動性を向上させることで、さらに機器の非転倒および転倒の状態を検知の安定的性を高めることができるという効果を奏する。 Moreover, you may make it the structure which forms the whole light reflector with a transparent material. This increases the overall weight of the light reflector, moves the overall weight balance with respect to the center axis of the light reflector from the center of the short axis to the periphery, and lowers the center of gravity, thereby reducing the concave surface of the light reflector. By improving the stability and mobility of the inside of the funnel-shaped depression of the container, there is an effect that it is possible to further improve the stability of detecting the non-falling and falling state of the device.

また、光反射子の全体を中空構造とし、その外郭を無数の細かい網目状の開口を有した薄い籠状外郭で構成してもよい。これにより、籠状外郭にて形成した光反射子の全体の重量を重くして、光反射子の重心軸に対する全体の重量バランスを短軸の中央から周辺に移動させ、また低重心化することで、光反射子の凹面容器の漏斗状の窪みの内部における安定性と移動性を向上させることで、さらに、機器の非転倒および転倒の状態を検知の安定的性を高めることができることとなる。  Alternatively, the entire light reflector may have a hollow structure, and the outline thereof may be constituted by a thin bowl-like outline having innumerable fine mesh openings. This increases the overall weight of the light reflector formed in the bowl-shaped outline, moves the overall weight balance with respect to the center axis of the light reflector from the center of the minor axis to the periphery, and lowers the center of gravity. Thus, by improving the stability and mobility within the funnel-shaped depression of the concave container of the light reflector, it is possible to further improve the stability of detecting the non-falling and falling state of the device. .

また、錘板の表面は光の反射率が高い白色系の色調や材質にて構成してもよい。これにより、光反射子の凹面容器の漏斗状の窪みの内部における安定性と移動性を向上させながら、光反射子の対象検知手段への光の再反射効率を高めることで、さらに機器の非転倒および転倒の状態を検知の安定的性を高めることができるという効果を奏する。 Further, the surface of the weight plate may be formed of a white color tone or material having a high light reflectance. This improves the stability and mobility inside the funnel-shaped depression of the concave container of the light reflector, while increasing the light re-reflection efficiency to the target detection means of the light reflector, thereby further reducing the non-applicability of the device. There is an effect that it is possible to improve the stability of detection of a fall and a fall state.

また、錘板の表面に光を多方向に反射する乱反射加工を施した構成にしてもよい。これによりこれにより、光反射子の凹面容器の漏斗状の窪みの内部における安定性と移動性を向上させながら、光反射子の対象検知手段への光の再反射効率を高めることで、さらに機器の非転倒および転倒の状態を検知の安定的性を高めることができるという効果を奏する。 Alternatively, the surface of the weight plate may be subjected to irregular reflection processing that reflects light in multiple directions. Thereby, by improving the re-reflection efficiency of light to the target detection means of the light reflector while improving the stability and mobility inside the funnel-shaped depression of the concave container of the light reflector, further equipment There is an effect that it is possible to improve the stability of detection of the non-falling and falling state.

また、錘板は水平面上に安定させた状態の側面視において長軸方向の中央で２分したときに中央を縦方向に厚くして、周辺に向かい厚さを薄くしたソロバン珠形状の双円錐とする構成にしてもよい。これにより、光反射子の表面と凹面容器の内面との滑り性と対象検知手段への光の再反射効率を同時に高めることで、転倒発生時における光反射子の凹面容
器の内面での光反射子の移動をより妨げ難くして、また機器が転倒状態に無く光反射子が凹面容器の漏斗状の窪みの最下部に移動したときに、凹面容器の最下部の中央位置から多少ずれて傾いた状態で安定しても対象検知手段による光反射子の検知性を高めることができるために、さらに安定的に機器の非転倒および転倒の状態を検知することがでるという効果を奏する。 In addition, when the weight plate is stabilized on a horizontal plane, the bilateral cone of the Soroban bead shape is thickened vertically in the center when divided into two at the center in the major axis direction and thinned toward the periphery. It may be configured as follows. This improves the slidability between the surface of the light reflector and the inner surface of the concave container and the light re-reflection efficiency to the target detection means at the same time, thereby reflecting the light on the inner surface of the concave container of the light reflector when a fall occurs. It makes the movement of the child more difficult, and when the light reflector moves to the lowermost part of the funnel-shaped depression of the concave container and the device is not overturned, it tilts slightly away from the central position of the lowermost part of the concave container. Even if the state is stabilized in a stable state, it is possible to improve the detectability of the light reflector by the target detection means, and it is possible to more stably detect the non-falling and falling state of the device.

また、錘板は水平面上での安定状態の側面視において重力方向に潰れた光反射子の曲率よりも小さな曲率を備えた準楕円球形状とする構成にしてもよい。これにより、光反射子の表面と凹面容器の内面との滑り性と対象検知手段への光の再反射効率を同時に高めることで、転倒発生時における光反射子の凹面容器の内面での光反射子の移動をより妨げ難くして、また機器が転倒状態に無く光反射子が凹面容器の漏斗状の窪みの最下部に移動したときに、凹面容器の最下部の中央位置から多少ずれて傾いた状態で安定しても対象検知手段による光反射子の検知性を高めることができるために、さらに安定的に機器の非転倒および転倒の状態を検知することがでるという効果を奏する。 Further, the weight plate may have a quasi-elliptical sphere shape having a curvature smaller than the curvature of the light reflector collapsed in the direction of gravity in a side view in a stable state on a horizontal plane. This improves the slidability between the surface of the light reflector and the inner surface of the concave container and the light re-reflection efficiency to the target detection means at the same time, thereby reflecting the light on the inner surface of the concave container of the light reflector when a fall occurs. It makes the movement of the child more difficult, and when the light reflector moves to the lowermost part of the funnel-shaped depression of the concave container and the device is not overturned, it tilts slightly away from the central position of the lowermost part of the concave container. Even if the state is stabilized in a stable state, it is possible to improve the detectability of the light reflector by the target detection means, and it is possible to more stably detect the non-falling and falling state of the device.

また、凹面容器の漏斗状の窪みの中央最下部に設けた光透過開口に、光を透過させる光透過体を個設し、この光透過体は、凹面容器の漏斗状の窪みの内部の空間と対象検知手段の間を分離し、凹面容器のの内部空間側の面をその凹面容器の内面の曲面と同一となるように形成してもよい。これにより、凹面容器の漏斗状の窪みの内部は容器蓋と光透過体で密閉できるために、外気との暴露による光反射子の表面が酸化や、埃が付着するなどの物理的劣化の進行を遅らせられ、また凹面容器の漏斗状の窪みの中央最下部に設けた光透過開口は凹面容器の内面の曲面と同一となるように形成した光透過体で塞ぐことで転倒発生時における凹面容器の内面での光反射子の移動をより妨げ難くなるので、長期の使用においてもより安定的に機器の非転倒および転倒の状態を検知できる装置とすることができるという効果を奏する。 Further, the light transmission opening provided in the center bottom of the funnel-shaped recess of the concave surface vessel, a transparent member for transmitting light to Ko設, the transparent member is a concave container within the funnel-shaped recess The space and the object detection means may be separated, and the surface of the concave container on the inner space side may be formed to be the same as the curved surface of the inner surface of the concave container. As a result, the inside of the funnel-shaped depression of the concave container can be sealed with a container lid and a light transmitting body, so that the surface of the light reflector is oxidized due to exposure to the outside air, and physical deterioration such as dust adheres to the surface. The concave container in the event of a fall is blocked by closing the light transmitting opening provided at the lowermost center of the funnel-shaped depression of the concave container with a light transmitting body formed to be the same as the curved surface of the inner surface of the concave container. Since the movement of the light reflector on the inner surface of the device becomes more difficult to prevent, it is possible to provide an apparatus that can more stably detect the non-falling and falling state of the device even in long-term use.

以下、本発明の実施の形態について図面を参照しながら説明する。     Hereinafter, embodiments of the present invention will be described with reference to the drawings.

（実施の形態１）
図１に、本発明の実施の形態１における転倒検知装置の構成図を示す。 (Embodiment 1)
FIG. 1 shows a configuration diagram of a fall detection device according to Embodiment 1 of the present invention.

図に示すように、搭載される機器に内蔵され重力方向に対して直角となる略水平に配置される平板状の回路基板１の上面側に光を照射し反射光の有無で対象物の有無を検知する対象検知手段２を配置して、この対象検知手段２の検知方向となる前記の回路基板１の上面側に前記の対象検知手段２の検知範囲の中央の垂直軸上に中央を合わせた中央方向への漏斗状の窪みを有した凹面容器３を配置して、この凹面容器３の漏斗状の窪みの内部に前記対象物としての光反射子４を可動自在に自由配置して、前記の凹面容器３の中央最下部に前記の光反射子４に対象検知手段２が照射した光が当たって反射するように光を透過させる光透過開口５を設けて、前記の凹面容器３の漏斗状の窪みの内部に前記の光反射子４を入れた状態において前記の凹面容器３の漏斗状の窪みの開放空間の全体を覆って蓋をする容器蓋６を備えている。   As shown in the figure, the presence or absence of an object is detected by irradiating light on the upper surface side of a flat circuit board 1 which is built in a device to be mounted and arranged substantially horizontally and perpendicular to the direction of gravity. The object detection means 2 for detecting the object is arranged, and the center is aligned with the vertical axis of the center of the detection range of the object detection means 2 on the upper surface side of the circuit board 1 which is the detection direction of the object detection means 2. The concave container 3 having a funnel-shaped depression in the central direction is arranged, and the light reflector 4 as the object is movably freely arranged inside the funnel-shaped depression of the concave container 3, A light transmission opening 5 is provided at the lowermost center of the concave container 3 so as to transmit light so that the light reflected by the object detection means 2 hits the light reflector 4 and is reflected. In the state where the light reflector 4 is put inside the funnel-shaped recess, the recess And a container closure 6 which the lid covers the entire funnel-shaped recess open space of the container 3.

ここで、平板状の回路基板１は搭載される機器に重力方向に対して直角となる略水平に配置して内蔵されているとしているが、略水平とは水平面の状態を意図したものであり、０°±５°以内程度の角度の傾きを有した面であることを示しており、以降の説明において同様の記載に対しては詳細な説明は省略する。   Here, it is assumed that the flat circuit board 1 is built in a device to be mounted in a substantially horizontal position perpendicular to the direction of gravity, and the substantially horizontal is intended to be in a horizontal plane. , The surface has an inclination with an angle of about 0 ° ± 5 °, and in the following description, detailed description of the same description is omitted.

ここで、凹面容器３、および容器蓋６の構成材料は特には問わないが小型の構成における成形性の良さや、凹面容器３の内部における光反射子４の滑りに基づく移動のし易さを考慮して、平滑性が高く長期に渡り安定している材質が好ましく、例えばアクリロニトリ
ル・ブタジエン・スチレンやポリブチレンテレフタレート、またポリアセタール等の樹脂材料で金型成型し構成するものである。 Here, although the constituent material of the concave container 3 and the container lid 6 is not particularly limited, it has good formability in a small configuration and ease of movement based on the slip of the light reflector 4 inside the concave container 3. In view of this, a material that is highly smooth and stable over a long period of time is preferable. For example, it is formed by molding with a resin material such as acrylonitrile, butadiene, styrene, polybutylene terephthalate, or polyacetal.

また、凹面容器３は平面視方向から見て円形で中央に向けて漏斗状に窪ませた空間を有し、この窪みの内面は転倒状態に無い安定した状態において光反射子４は重力により凹面容器３内最下部に滑り落ちて納まり（安定的に保持され）、また窪みの内面と光反射子４が接触する部分はできる限り光反射子４の移動を妨げないように摩擦力が小さい点接触となる形状が最適であり、この点を考慮して窪みの中央部は光反射子４の底面曲率よりも小さい曲率とした半球面や半楕円球面の曲面の形状とするものである。   In addition, the concave container 3 has a space which is circular when viewed from the plan view and has a funnel-like recess toward the center. The inner surface of the recess is in a stable state without being overturned. The frictional force is small so that the portion where the inner surface of the dent and the light reflector 4 are in contact with each other slides down to the lowermost part of the container 3 so as not to disturb the movement of the light reflector 4 as much as possible. The contact shape is optimal, and in consideration of this point, the central portion of the recess has a curved shape of a hemispherical surface or a semi-elliptical spherical surface having a curvature smaller than the bottom curvature of the light reflector 4.

また、凹面容器３の漏斗状に窪ませた内面の傾斜角度は、転倒検知装置の使用先の機器の許容傾き角度に合わせて、その許容傾き角度以上の傾き角度（転倒検知角度）において光反射子４が窪みの中央から周囲方向に滑り移動する角度に設定するものである。例えば前記機器の転倒検知角度を４５°であるとした場合、の傾斜角度は、３８°から４２°程度に設定することが望ましい。   Further, the inclination angle of the inner surface of the concave container 3 recessed in a funnel shape reflects light at an inclination angle (falling detection angle) that is equal to or larger than the allowable inclination angle of the device used by the falling detection device. The angle is set so that the child 4 slides from the center of the recess in the peripheral direction. For example, when the fall detection angle of the device is 45 °, the inclination angle is preferably set to about 38 ° to 42 °.

なお、凹面容器３の下部から上部の開口部に向かい傾斜角度が浅くなるように変化させることで転倒発生時に光反射子４が窪みの中央から周囲方向に滑り落ち易くすることで、光反射子４の移動性をさらに高めることもできる。   Note that the light reflector 4 can be easily slid from the center of the depression to the peripheral direction when the fall occurs by changing the inclination angle so that the inclination angle becomes shallower from the lower part of the concave container 3 toward the upper opening part. The mobility of 4 can be further enhanced.

また、容器蓋６は凹面容器３の漏斗状に窪ませた空間を覆って密閉する形状とし、つまり、容器蓋６は、凹面容器３の開口部から外側全体を覆いかぶせて下部まで延設した円筒であって、回路基板１に接する下端部には２カ所以上の固定爪部７を配置して備え、凹面容器３を配置する回路基板１は固定爪部７が対向する位置に基板穴８を備えて、この基板穴８に固定爪部７を挿入することで容器蓋６を回路基板１に対して固設して取り付ける。   Further, the container lid 6 has a shape that covers and seals the funnel-shaped space of the concave container 3, that is, the container lid 6 covers the entire outside from the opening of the concave container 3 and extends to the lower part. Two or more fixed claw portions 7 are arranged at the lower end portion in contact with the circuit board 1 and are provided in a cylindrical shape. The circuit board 1 on which the concave container 3 is arranged has a substrate hole 8 at a position where the fixed claw portion 7 faces. The container lid 6 is fixedly attached to the circuit board 1 by inserting the fixing claw portion 7 into the board hole 8.

ここで、対象検知手段２は本実施例においては回路基板１の上面側に配置して下面側に備える回路パターンの定位置のランドに対象検知手段２の備える端子９をハンダ付けして個設し、回路基板１の平面に対して垂直方向の対象の有無を検知するように構成しているものである。   Here, in the present embodiment, the object detection means 2 is disposed on the upper surface side of the circuit board 1 and soldered to the land 9 at a fixed position of the circuit pattern provided on the lower surface side, by soldering the terminals 9 included in the object detection means 2. However, it is configured to detect the presence / absence of an object perpendicular to the plane of the circuit board 1.

この、対象検知手段２は非接触的に検知範囲内の光反射子４の有無を検知するものであり、図２の対象検知手段の周辺の構成を示す側面視方向の部分拡大断面図に示しているように、光を検知範囲の方向に照射して、この検知範囲の中に光反射子４が有ればこの光反射子４で照射光が照射方向に反射され、この反射光を検出することで検知範囲内における光反射子４の存在の判断を可能とする光照射用のＬＥＤ２ａと受光検知用のフォトトランジスター２ｂを一体として備えた一般的な反射型フォトセンサーである。   This object detection means 2 detects the presence or absence of the light reflector 4 within the detection range in a non-contact manner, and is shown in the partially enlarged sectional view in the side view direction showing the configuration around the object detection means in FIG. As shown in the figure, light is irradiated in the direction of the detection range, and if there is a light reflector 4 in the detection range, the irradiation light is reflected by the light reflector 4 in the irradiation direction, and this reflected light is detected. By doing so, it is a general reflection type photosensor provided integrally with a light emitting LED 2a and a phototransistor 2b for detecting light reception, which makes it possible to determine the presence of the light reflector 4 within the detection range.

なお、図面上、光照射用のＬＥＤ２ａが照射した光の方向と、検知対象物であるところの光反射子４で反射して受光検知用のフォトトランジスター２ｂに反射光として入射する光の方向とを実線の矢印線にて模式的に示しているものであるが、この矢印線の方向と範囲が対象検知手段２の対象の検知方向と検知可能範囲となる。 ここで、図３は転倒状態における対象検知手段２の周辺の状態を示す側面視方向の部分拡大断面図であるが、本図に示しているように、機器が転倒状態になると凹面容器３自体も傾くために、凹面容器３の内面に自由配置された光反射子４も凹面容器３の内面の中央最下部から周辺部に向かい滑り出して対象検知手段２の検知可能範囲から移動すると、対象検知手段２の備えるＬＥＤ２ａが照射する、図面上、実線の矢印線にて模式的に示した光は光反射子４の表面で反射されないこととなる。よって、図面上、点線の矢印線にて模式的に示した非転倒時には光反射子４の表面で反射され対象検知手段２の備えるフォトトランジスター２ｂの方向に向かう反射光は生じずに、結果、フォトトランジスター２ｂでは反射光が検出されないこ
とから、機器の転倒状態の発生を検知することが可能となる。 In the drawing, the direction of the light irradiated by the light emitting LED 2a and the direction of the light reflected by the light reflector 4 that is the detection target and incident on the phototransistor 2b for light reception detection as reflected light Is indicated by a solid arrow line, and the direction and range of the arrow line are the detection direction and the detectable range of the target of the target detection means 2. Here, FIG. 3 is a partial enlarged cross-sectional view in the side view direction showing the state of the periphery of the object detection means 2 in the overturned state, but as shown in this figure, the concave container 3 itself when the device is in the overturned state. If the light reflector 4 freely arranged on the inner surface of the concave container 3 also slides out from the lowermost center of the inner surface of the concave container 3 toward the peripheral part and moves from the detectable range of the target detection means 2, the object detection is performed. The light schematically indicated by the solid arrow line on the drawing irradiated by the LED 2 a included in the means 2 is not reflected on the surface of the light reflector 4. Therefore, the reflected light that is reflected on the surface of the light reflector 4 and is directed toward the phototransistor 2b included in the object detection means 2 during the non-falling as schematically shown by the dotted arrow line in the drawing does not occur. Since the reflected light is not detected by the phototransistor 2b, it is possible to detect the occurrence of a falling state of the device.

ここで、光透過開口５は前記にて説明した通り、対象検知手段２が照射した光を光反射子４に当てて、反射した光を再度、対象検知手段２の方向に導くために、凹面容器３の中央最下部に設けているものである。そして機器が転倒状態に無いときには光透過開口５の真上への光反射子４の移動妨げず、且つ、対象検知手段２が照射した光と反射光を通過させる面積となるように開口させる必要がある。そこで、実設計においては光反射子４の平面視の直径より小さくするもので、特に、光反射子４の平面視の直径の５割以下として開口することが望ましく、例えば対象検知手段２の対象の検知範囲の直径２ｍｍであれば、光反射子４の平面視の直径を５ｍｍとし、光透過開口５の直径は２ｍｍから２．５ｍｍ程度の開口径にて設けるものである。   Here, as described above, the light transmission opening 5 is a concave surface in order to apply the light irradiated by the object detection means 2 to the light reflector 4 and guide the reflected light again in the direction of the object detection means 2. This is provided at the lowermost center of the container 3. When the device is not in a fall state, it is necessary to open the light reflector 4 so as not to obstruct the movement of the light reflector 4 directly above the light transmitting opening 5 and to have an area through which the light irradiated by the object detection means 2 and the reflected light pass. There is. Therefore, in actual design, the diameter should be smaller than the diameter of the light reflector 4 in plan view. In particular, it is desirable to open the aperture to be 50% or less of the diameter of the light reflector 4 in plan view. If the diameter of the detection range is 2 mm, the diameter of the light reflector 4 in plan view is 5 mm, and the diameter of the light transmission aperture 5 is 2 mm to 2.5 mm.

ここで、光反射子４は図４（ａ）の光反射子の平面図、および図４（ｂ）の同、側面図に示しているように、球体形状に比べて転がり難い形状とするために水平面上での傾きが無い安定状態にて平面視において円形で、側面視においてに重力方向に潰れた楕円形となる準楕円球の形状として成形し構成したものである。   Here, as shown in the plan view of the light reflector of FIG. 4A and the side view of FIG. 4B, the light reflector 4 has a shape that is less likely to roll than the spherical shape. In a stable state with no inclination on the horizontal plane, the shape is formed into a quasi-elliptical sphere shape that is circular in plan view and crushed in the direction of gravity in side view.

この、光反射子４の構成材料は、形状と表面の状態を長期的に安定して保って、凹面容器３の内部に配置されたときに安定して姿勢を保つための重量を持ち、また外部磁界の影響を受ける環境においても磁気的吸引力の影響で転倒の判定に不具合を生じない非磁性体材料が適しており、例えば、アクリロニトリル・ブタジエン・スチレンなどの樹脂やポリアセタールやポリカーボネートなどの所謂、エンジニアリングプラスチック、また質量が重くて非磁性体であり耐酸化性も高いステンレスなどの金属、さらには二酸化ケイ素を主体とした所謂、ガラス材や単体シリコンなどの無機系の原材料を金型成型や焼結にて形成し研磨するなどして形状を整えるものである。   The constituent material of the light reflector 4 has a weight for maintaining the shape and the surface state stably for a long period of time, and maintaining a stable posture when placed inside the concave container 3, Non-magnetic materials that do not cause inconvenience in the judgment of falls due to the influence of magnetic attraction even in an environment affected by an external magnetic field are suitable. For example, so-called resins such as acrylonitrile, butadiene, and styrene, polyacetal, and polycarbonate In addition, engineering plastics, metals such as stainless steel, which are heavy, non-magnetic and highly resistant to oxidation, and so-called glass materials and single-piece silicon based inorganic materials such as silicon dioxide, are molded or molded. The shape is adjusted by forming and polishing by sintering.

なお、光反射子４は面取りした低背の円柱形状でもかまわないが、水平面上では傾きが無い安定状態であって、且つ転倒発生時には凹面容器３の内面を移動し易くするために図５の光反射子４の凹面容器３に対する非転倒安定時の接触の状態を示した側面視方向の部分拡大断面図に示しているように、凹面容器３の内面との接地部が点状で配置接触面とのすべり摩擦力が小さくなるように側面視において準楕円形状とすることが最適である。   The light reflector 4 may be a chamfered, low-profile columnar shape. However, in order to facilitate the movement of the inner surface of the concave container 3 when a fall occurs, the light reflector 4 is in a stable state with no inclination on a horizontal plane. As shown in the partial enlarged cross-sectional view in the side view direction showing the contact state of the light reflector 4 with respect to the concave container 3 in the non-falling stable state, the ground contact portion with the inner surface of the concave container 3 is arranged in contact with dots. The quasi-elliptical shape is optimal in a side view so that the sliding frictional force with the surface is reduced.

また、図６は対象検知手段２が照射した光と光反射子４で反射した光の軌跡を模式的に示した側面視方向の状態図である。図上、上方向に向かう平行に並んだ実線の矢印にて示す対象検知手段２から光反射子４の方向に照射した光は、図上、下方向に向かう放射状に並んだ実線の矢印にて示す光反射子４の表面で反射された光となって、対象検知手段２の方向に再度、反射される軌跡を示している。しかし、光反射子４の側面視方向の形状が、例えば、図上、点線で示した球体形状において反射される光は、図上、下方向に向かう放射状に並ぶ点線の矢印にて示したように、より広い角度の範囲に反射して分散され、対象検知手段２の方向に、再度反射される光は減光することとなるために、この点からも光反射子４は水平面において安定した状態において水平面と接触する部位を中央として、できる限り平面形状に近い曲率を有する面を備えることが要求される。そして、この形状実現するために重力方向に潰れた準楕円形状とすることが好ましい。   FIG. 6 is a state diagram in the side view direction schematically showing the trajectories of the light irradiated by the object detection means 2 and the light reflected by the light reflector 4. In the figure, the light irradiated in the direction of the light reflector 4 from the object detection means 2 indicated by the solid line arrows parallel to the upper direction is indicated by the solid line arrows arranged radially downward in the figure. The locus of light reflected by the surface of the light reflector 4 is reflected again in the direction of the object detection means 2. However, the shape of the light reflector 4 in the side view direction is, for example, the light reflected in the spherical shape shown by the dotted line in the figure, as indicated by the dotted arrows arranged radially downward in the figure. In addition, since the light reflected and dispersed in a wider range of angles and reflected again in the direction of the object detection means 2 is dimmed, the light reflector 4 is stable in the horizontal plane also from this point. It is required to provide a surface having a curvature as close to a planar shape as possible, with the portion in contact with the horizontal plane in the state as the center. And in order to implement | achieve this shape, it is preferable to set it as the quasi-elliptical shape crushed in the gravity direction.

さらに、光反射子４の側面視において水平面上で傾きが無い安定した状態において水平面と接触する部位の反射面積を球体形状において得ようとした場合、曲率に着目すると図６において一点差線の円形状として表現し示しているように、準楕円形状の形態に対して、より大型にする必要があるために、転倒検知装置は大きくなってしまう。そこで、転倒検知装置をできる限り小型する観点からも、光反射子４の側面視形状を準楕円形状とすることが有利である。   Further, when it is attempted to obtain the reflection area of the portion in contact with the horizontal plane in a stable state with no inclination on the horizontal plane in a side view of the light reflector 4, focusing on the curvature, a circle with a one-dotted line in FIG. As expressed and shown as a shape, the fall detection device becomes large because it is necessary to make it larger than the quasi-elliptical shape. Therefore, also from the viewpoint of making the fall detection device as small as possible, it is advantageous to make the shape of the light reflector 4 in a side view a quasi-elliptical shape.

またすでに説明しているが、光反射子４の準楕円形状の側面視における凹面容器３の内部に接触している周辺の表面の曲率は、光反射子４が凹面容器３の内部に自由配置された状態で凹面容器３の内面と点接触するように凹面容器３の内部の曲率よりも大きく形成する必要があるが、光反射子４が凹面容器３の内部に自由配置され、機器が転倒状態に無く凹面容器３の最下部に安定している状態においては対象検知手段２から光透過開口５を通して照射される光の多くを光反射子４の表面で対象検知手段２の方向に再度、反射できるように設定する必要がある。   As described above, the curvature of the peripheral surface in contact with the inside of the concave container 3 in the side view of the quasi-elliptical shape of the light reflector 4 is such that the light reflector 4 is freely arranged inside the concave container 3. In this state, it is necessary to form a larger curvature than the inside of the concave container 3 so as to make point contact with the inner surface of the concave container 3, but the light reflector 4 is freely arranged inside the concave container 3 and the device falls down. In a state that is not in a state and is stable at the bottom of the concave container 3, much of the light emitted from the object detection means 2 through the light transmission opening 5 is again directed toward the object detection means 2 on the surface of the light reflector 4. It must be set so that it can be reflected.

これは、対象検知手段２の基本構成であるところの反射型フォトセンサーは、内蔵するＬＥＤ２ａから照射した光が対象の方面にて反射して、この反射光が、再度、内蔵するフォトトランジスター２ｂに入射して検知されることで検知範囲内における対象の存在を判断可能とする素子であるために、例えば対象検知手段２の検知範囲内に対象が存在しても、対象検知手段２の光照射軸に対して対象の表面が大きく傾く、あるいは曲率が大きいなどによって、照射光の多くを対象検知手段２の方向に再反射できなければ対象検知手段２では対象の存在を検知できなくなるためである。   This is because the light reflected from the built-in LED 2a is reflected in the direction of the target in the reflection type photosensor which is the basic configuration of the target detection means 2, and this reflected light is again transmitted to the built-in phototransistor 2b. Since it is an element that makes it possible to determine the presence of a target within the detection range by being incident and detected, even if the target exists within the detection range of the target detection means 2, for example, the light irradiation of the target detection means 2 This is because the target detection means 2 cannot detect the presence of the target unless much of the irradiation light can be re-reflected in the direction of the target detection means 2 because the surface of the target is greatly inclined with respect to the axis or the curvature is large. .

よって、この光反射子４の表面で反射した光を対象検知手段２の方向に効率よく反射するために、光反射子４の表面を対象検知手段２の光照射面に対してできる限り平面となるよう形状とする必要があり、実際の設計においては凹面容器３の内面の曲率より光反射子４の凹面容器３と接する面の曲率を僅かに大きくすることで光反射子４が凹面容器３の内面を傾斜と伴に移動する際、常に点接触を保てるように形成するものである。   Therefore, in order to efficiently reflect the light reflected by the surface of the light reflector 4 in the direction of the target detection means 2, the surface of the light reflector 4 is as flat as possible with respect to the light irradiation surface of the target detection means 2. In the actual design, the light reflector 4 is made to be slightly concave by making the curvature of the surface of the light reflector 4 in contact with the concave container 3 slightly larger than the curvature of the inner surface of the concave container 3. It is formed so that the point contact can always be maintained when the inner surface is moved along with the inclination.

このような構成によれば、搭載される機器に内蔵され重力方向に対する垂直面に対して略水平配置される上面側に対象検知手段２を配した回路基板１の上面側に凹面容器３の漏斗状の窪みの内部に平面上の安定時の側面視において準楕円形状となる非磁性体材料にて構成された光反射子４を自由配置して凹面容器３を容器蓋６で覆った状態で容器蓋６の固定爪部７を対向する回路基板１の基板穴８に挿入することで回路基板１に固定した状態で転倒検知の装置として機能させるものである。つまり、光反射子４の側面視を準楕円形状としていることで外部からの多少の衝撃等に対して光反射子４は転がることがなく比較的に移動し難くなり、光反射子４は、機器の傾きに対して凹面容器３の内面の漏斗状部分をすべることで移動し、また、機器の転倒に対しては、転がることで移動するものである。   According to such a configuration, the funnel of the concave container 3 on the upper surface side of the circuit board 1 in which the target detection means 2 is arranged on the upper surface side that is built in the mounted device and is arranged substantially horizontally with respect to the vertical surface with respect to the direction of gravity. In a state where the light reflector 4 made of a non-magnetic material having a quasi-elliptical shape in a side view at the time of stability on a flat surface is freely disposed inside the hollow and the concave container 3 is covered with the container lid 6 By inserting the fixing claw portion 7 of the container lid 6 into the board hole 8 of the circuit board 1 which faces the container lid 6, the container lid 6 functions as a device for detecting a fall while being fixed to the circuit board 1. That is, by making the side view of the light reflector 4 a quasi-elliptical shape, the light reflector 4 does not roll against a slight impact from the outside and the like, and is relatively difficult to move. It moves by sliding the funnel-shaped portion on the inner surface of the concave container 3 with respect to the inclination of the device, and moves by rolling when the device falls.

また、光反射子４は非磁性体材料にて構成していることで外部磁界の影響を受ける環境においても磁気的吸引力により動きを妨げられることがないために、外部からの振動等に対する誤検知の発生を抑制して外部磁界の影響も受けない、より安定した非転倒および転倒の状態の検知ができることとなる。   In addition, since the light reflector 4 is made of a non-magnetic material, its movement is not hindered by the magnetic attractive force even in an environment affected by an external magnetic field. Suppressing the occurrence of detection and not being affected by the external magnetic field, it is possible to detect a more stable non-falling and falling state.

また、光透過開口５の直径は光反射子４の平面視の直径よりも小さく、５割以下に形成して、光反射子４を落ち込ませることを防いでいることで、光反射子４の機器が転倒状態に無いときには、凹面容器３の漏斗状の窪みの最下部の光透過開口５の真上への移動を容易にすることができるために、より安定した非転倒および転倒の状態の検知ができることとなる。   In addition, the diameter of the light transmission opening 5 is smaller than the diameter of the light reflector 4 in plan view, and is formed to be 50% or less to prevent the light reflector 4 from falling. When the device is not in the overturned state, the funnel-shaped depression of the concave container 3 can be easily moved directly above the light transmission opening 5 at the bottom, so that a more stable non-overturned and overturned state It can be detected.

また、光反射子４の側面視を準楕円形状としていることで非転倒状態において対象検知手段２から放射され、再度、対象検知手段２に向かい光反射子４の表面で反射される光は、球体形状に比べて減光され難いために、光反射子４の平面視における直径を小さくすることも可能であり、装置全体の構成の小型化に寄与することができる。   In addition, by making the side view of the light reflector 4 a quasi-elliptical shape, light emitted from the object detection means 2 in a non-falling state and reflected again on the surface of the light reflector 4 toward the object detection means 2 is Since it is harder to be dimmed than the spherical shape, it is possible to reduce the diameter of the light reflector 4 in plan view, which can contribute to miniaturization of the overall configuration of the apparatus.

ここで、光反射子４の表面の色は対象検知手段２の照射した光をできる限り吸収しない
ように、反射率が高い白色系の色調とすることが好ましく、例えば図７の光反射子４の内部構成を示す側面視方向の部分破断断面図に示したように、白色や灰白色の色素材１０を塗布、または着色、あるいは基材色自体の色として材料を選定することが望ましい。 Here, the color of the surface of the light reflector 4 is preferably a white color tone having a high reflectance so as not to absorb as much as possible the light irradiated by the object detection means 2, for example, the light reflector 4 of FIG. As shown in the partially broken sectional view in the side view direction showing the internal configuration, it is desirable to apply the white or grayish white color material 10 or to select the material as the color of the base color itself.

この点も、対象検知手段２の基本構成が反射型フォトセンサーであるためであり、例えば対象検知手段２の検知範囲内に光反射子４が存在したとしても、その表面で対象検知手段２の照射した光の多くを吸収し対象検知手段２の方向に再反射できなければ対象検知手段２では光反射子４の存在を検知できなくなるためであり、対象検知手段２の照射した光をできる限り効率的に対象検知手段２の方向に反射するためである。   This is also because the basic configuration of the target detection means 2 is a reflection type photosensor. For example, even if the light reflector 4 exists within the detection range of the target detection means 2, the surface of the target detection means 2 on the surface thereof. This is because the object detection means 2 cannot detect the presence of the light reflector 4 unless much of the irradiated light can be absorbed and re-reflected in the direction of the object detection means 2, and the light irradiated by the object detection means 2 can be as much as possible. This is for efficiently reflecting in the direction of the object detection means 2.

このような構成によれば、光反射子４の側面視を準楕円形状とすることで非転倒状態において対象検知手段２に向かい光反射子４の表面で反射される光を、より減光され難くして、さらに、光反射子４の表面を白色や灰白色の色素材１０を塗布、または着色、あるいは基材色自体の色として材料を選定することで、より対象検知手段２への光の再反射効率を高めることで、光反射子４の表面が酸化や、埃が付着するなどの物理的劣化が進行しても反射光の低減を抑制することができるために、さらに、長期に渡り安定的に機器の非転倒および転倒の状態を検知することがでることとなる。   According to such a configuration, by making the side view of the light reflector 4 a quasi-elliptical shape, the light reflected by the surface of the light reflector 4 toward the target detection means 2 in a non-falling state is further dimmed. Further, the surface of the light reflector 4 is coated with a white or grayish white color material 10 or colored, or the material is selected as the color of the base material itself, so that the light to the object detection means 2 can be further improved. By increasing the re-reflection efficiency, it is possible to suppress the reduction of reflected light even if physical deterioration such as oxidation of the surface of the light reflector 4 or adhesion of dust progresses. It is possible to stably detect the non-falling and falling state of the device.

また、光反射子４の表面の状態は鏡面でもかまわないが、対象検知手段２の照射した光を１方向にのみ反射しないように、図８の光反射子４の表面の状態を示す部分拡大面図に示したような乱反射加工１１を施すことで入射光を多方向に反射する面状態とすることが好ましく、この乱反射加工１１は、例えば光反射子４の表面をサンドブラスト、もしくはサンドブラスト処理を実施した金型にて成型加工することで微細に荒れさせたものである。   Further, the surface state of the light reflector 4 may be a mirror surface, but a partial enlargement showing the surface state of the light reflector 4 in FIG. 8 so as not to reflect the light irradiated by the object detection means 2 only in one direction. It is preferable that the surface of the light reflector 4 is subjected to sandblasting or sandblasting treatment, for example, by applying irregular reflection processing 11 as shown in the plan view so that incident light is reflected in multiple directions. Finely roughened by molding with the implemented mold.

これも、対象検知手段２の基本構成が反射型フォトセンサーであるためであり、例えば対象検知手段２の検知範囲内に光反射子４が存在したとしても、その表面が鏡面であれば、光の入射角と反射角は等しくなるとする一般的な反射の法則から、対象検知手段２の照射した光が当たる光反射子４の表面が入射光の軸に対してわずかに傾く、あるいは光反射子４のような準楕円球の曲面形状であれば、反射光の大部分は対象検知手段２の方向に再反射されずに、よって対象検知手段２では光反射子４の存在を検知できなくなるためであり、光反射子４の表面で対象検知手段２の照射した狭い範囲でかまわないが分散させることで、光反射子４の表面の角度が入射光の軸に対して多少傾いていたとしてもできる限り効率的に対象検知手段２の方向に反射するためである。   This is also because the basic configuration of the target detection means 2 is a reflection type photosensor. For example, even if the light reflector 4 exists within the detection range of the target detection means 2, if the surface is a mirror surface, From the general law of reflection that the incident angle and the reflection angle are equal, the surface of the light reflector 4 to which the light irradiated by the object detection means 2 hits is slightly inclined with respect to the axis of the incident light, or the light reflector If the curved surface shape is a quasi-elliptical sphere like 4, most of the reflected light is not re-reflected in the direction of the target detection unit 2, and thus the target detection unit 2 cannot detect the presence of the light reflector 4. Even if the surface of the light reflector 4 may be distributed in a narrow range irradiated by the object detection means 2, even if the angle of the surface of the light reflector 4 is slightly inclined with respect to the axis of the incident light, Direction of the object detection means 2 as efficiently as possible In order to reflection.

このような構成によれば、光反射子４の表面に乱反射加工１１を施して、対象検知手段２への光の再反射の確度を高めることで、光反射子４の表面が酸化や、埃が付着するなどの物理的劣化が進行しても反射光の低減を抑制することができる。さらに、長期に渡り安定的に機器の非転倒および転倒の状態を検知することがでることとなる。   According to such a configuration, the surface of the light reflector 4 is subjected to irregular reflection processing 11 to increase the accuracy of re-reflection of the light to the target detection means 2, so that the surface of the light reflector 4 is oxidized or dusty. Even if physical deterioration such as adhesion of the light advances, the reduction of reflected light can be suppressed. Furthermore, it is possible to stably detect the non-falling and falling state of the device over a long period of time.

また、図９（ａ）の光反射子４の平面図、および図９（ｂ）の同、側面図に示したように、光反射子４を側面方向から見て楕円形状の短軸上の上下２箇所となる部位を中心として表面に鏡面部１２を設けて、光反射子４の表面と凹面容器３の内面との接触摩擦抵抗を他の部分に比べて小さくして滑り易くすることで、転倒発生時における光反射子４の凹面容器３の内面での光反射子４の移動をより滑り易くすることもできる。   Further, as shown in the plan view of the light reflector 4 in FIG. 9A and the side view of FIG. 9B, the light reflector 4 is on an elliptical short axis when viewed from the side surface direction. By providing a mirror surface portion 12 on the surface centering on two upper and lower parts, the contact friction resistance between the surface of the light reflector 4 and the inner surface of the concave container 3 is made smaller than other parts to make it easy to slide. The movement of the light reflector 4 on the inner surface of the concave container 3 of the light reflector 4 at the time of falling can be made more slippery.

この鏡面部１２の直径は光反射子４を側面方向から見て楕円形状の短軸上の上下２箇所で、光反射子４が水平面上で傾きが無い安定状態にて、その水平面と接する接点を中心とする限られた範囲に設定することで対象検知手段２の照射した光を１方向にのみ反射しないようにして、且つ光反射子４の移動を妨げないように設けることが望ましく、実設計に
おいては、例えば対象検知手段２の対象の検知範囲が直径２ｍｍであれば、光反射子４を平面視直径を４ｍｍから５ｍｍとして、鏡面部１２は１ｍｍから１．５ｍｍ程度の直径にて形成するものである。 The diameter of the mirror surface portion 12 is two points on the elliptical short axis when the light reflector 4 is viewed from the side direction, and the light reflector 4 is in contact with the horizontal plane in a stable state with no inclination on the horizontal plane. It is desirable that the light irradiated by the object detection means 2 is not reflected only in one direction by setting it in a limited range centered on the center, and that the movement of the light reflector 4 is not hindered. In designing, for example, if the target detection range of the target detection means 2 is 2 mm in diameter, the light reflector 4 is formed with a diameter in plan view of 4 mm to 5 mm, and the mirror surface portion 12 is formed with a diameter of about 1 mm to 1.5 mm. To do.

なお、対象検知手段２の対象の検知範囲が直径２ｍｍで、例えば鏡面部１２の直径を２ｍｍ程度とした場合、機器が転倒状態に無く光反射子４が凹面容器３の最下部に移動し光透過開口５の上の対象検知手段２の検知可能範囲の中に位置するときには、光反射子４の準楕円球形状の表面において最も平面に近い部分と鏡面部１２は同じ部位となるために、対象検知手段２から照射された光の多くを鏡面部１２は再度、対象検知手段２の方向に反射することとなるために、対象検知手段２の光反射子４の検知を妨げることはない。   If the target detection range of the target detection means 2 is 2 mm in diameter and the diameter of the mirror surface portion 12 is about 2 mm, for example, the device is not in a fallen state and the light reflector 4 moves to the lowermost part of the concave container 3 and light When it is located within the detectable range of the object detection means 2 above the transmission aperture 5, the portion closest to the plane and the mirror surface portion 12 on the quasi-elliptical spherical surface of the light reflector 4 are the same part, Since most of the light emitted from the target detection unit 2 is reflected again in the direction of the target detection unit 2, the detection of the light reflector 4 of the target detection unit 2 is not hindered.

なお、ここで凹面容器３の内面の全体は光反射子４の表面との接触摩擦を低減するために鏡面として形成することは言うまでもない。   Here, it goes without saying that the entire inner surface of the concave container 3 is formed as a mirror surface in order to reduce contact friction with the surface of the light reflector 4.

このような構成によれば、光反射子４の側面方向から見て楕円形状の短軸上の上下２箇所となる部位を中心とする限られた範囲の表面に鏡面部１２を設けて、光反射子４の表面と凹面容器３の内面との滑り性を高め、転倒発生時における光反射子４の凹面容器３の内面での光反射子４の移動を滑り易くすることで、より安定的に機器の非転倒および転倒の状態を検知することがでることとなる。   According to such a configuration, the mirror surface portion 12 is provided on the surface of a limited range centering on the upper and lower portions on the minor axis of the ellipse when viewed from the side surface direction of the light reflector 4, The slipperiness between the surface of the reflector 4 and the inner surface of the concave container 3 is improved, and the movement of the light reflector 4 on the inner surface of the concave container 3 of the light reflector 4 at the time of falling is made easier to slip, thereby making it more stable. In addition, it is possible to detect the non-falling and falling state of the device.

また、光反射子４に鏡面部１２を設けて凹面容器３の内面での滑り性を良くする代わりに、図１０の光反射子４の側面図に示したように、光反射子４の全体を透明材１３で構成し、その表面を滑らかに加工することで滑り性を改善することもできる。   Further, instead of providing the light reflector 4 with a mirror surface portion 12 to improve the slipperiness on the inner surface of the concave container 3, as shown in the side view of the light reflector 4 in FIG. Can be improved with the transparent material 13 and the surface can be processed smoothly to improve the slipperiness.

この、光反射子４を透明材１３で構成するときは、透明材１３の材質としては透明で傷が付き難い硬質の材質が最適であり、例えばポリカーボネート等の樹脂材やガラス材を鏡面加工した金型にて成型するものである。   When the light reflector 4 is composed of the transparent material 13, the transparent material 13 is optimally a hard material that is transparent and hardly scratched. For example, a resin material such as polycarbonate or a glass material is mirror-finished. Molded with a mold.

また、図１０に示しているように、この光反射子４を透明材１３で構成するときには、光反射子４を側面方向から見たときに、その長軸面の中央に平板状の光反射面板１４を挟み込んだ構造とすることで、効率的に対象検知手段２から照射された光を反射させる構成とする必要がある。   Further, as shown in FIG. 10, when the light reflector 4 is made of a transparent material 13, when the light reflector 4 is viewed from the side, the plate-like light is reflected at the center of the long axis surface. By adopting a structure in which the face plate 14 is sandwiched, it is necessary to efficiently reflect the light emitted from the target detection means 2.

この、光反射子４に挟み込む光反射面板１４の材質は、長期的に光反射子４の形態を安定させる点において光反射子４を構成する透明材１３と同じ材質で構成することが重要であり、例えば光反射子４と同一のポリカーボネート等の樹脂材やガラス材を金型にて成型したものを光反射子４の形成させる時点に金型に挟み込んで同に金型成型して作成するものである。   It is important that the material of the light reflecting faceplate 14 sandwiched between the light reflectors 4 is made of the same material as the transparent material 13 constituting the light reflector 4 in terms of stabilizing the shape of the light reflector 4 over the long term. Yes, for example, a resin material such as polycarbonate, which is the same as the light reflector 4, or a glass material molded with a mold is sandwiched between the molds when the light reflector 4 is formed, and the same mold is formed. Is.

このような光反射子４の全体を透明材１３で構成し、光反射子４を側面方向から見たときの楕円形状の長軸面の中央に光反射面板１４を挟み込んだ構成によって、光反射子４の表面と凹面容器３の内面との滑り性を高め、転倒発生時における光反射子４の凹面容器３の内面での光反射子４の移動を滑り易くすることで、より安定的に機器の非転倒および転倒の状態を検知することがでる。   The entire light reflector 4 is made of a transparent material 13, and the light reflecting face plate 14 is sandwiched in the center of an elliptical long axis when the light reflector 4 is viewed from the side. By improving the slidability between the surface of the child 4 and the inner surface of the concave container 3, and making the movement of the light reflector 4 on the inner surface of the concave container 3 of the light reflector 4 at the time of falling down easier to slip, It is possible to detect the non-falling and falling state of equipment.

また、この光反射面板１４の表面の色は対象検知手段２の照射した光を反射し易くするように、反射率が高い白色系の色調とすることが好ましく、例えば白色や灰白色の色を光反射面板１４の構成材質自体の色として選定し、あるいは色素で着色することが望ましい。   Further, the color of the surface of the light reflecting face plate 14 is preferably set to a white color tone having a high reflectance so as to easily reflect the light irradiated by the object detection means 2. It is desirable to select the color of the constituent material itself of the reflecting surface plate 14 or to color it with a pigment.

このような光反射子４の全体を透明材１３として、光反射子４を側面方向から見たときの楕円形状の長軸面の中央に光反射面板１４を挟み込んだ構成において、白色や灰白色の色を光反射面板１４の構成材質自体の色として選定し、あるいは色素で着色して、光反射子４の表面と凹面容器３の内面との滑り性と対象検知手段２への光の再反射効率を同時に高めることで、転倒発生時における光反射子４の凹面容器３の内面での光反射子４の移動を滑り易くして、さらに、対象検知手段２による光反射子４の検知性を高めることができるために、より安定的に機器の非転倒および転倒の状態を検知することがでることとなる。   In the configuration in which the entire light reflector 4 is made of the transparent material 13 and the light reflecting face plate 14 is sandwiched in the center of an elliptical long-axis surface when the light reflector 4 is viewed from the side surface direction, white or grayish white The color is selected as the color of the constituent material itself of the light reflecting face plate 14 or is colored with a pigment so that the sliding property between the surface of the light reflector 4 and the inner face of the concave container 3 and the re-reflection of the light to the object detecting means 2 are performed. By increasing the efficiency at the same time, the movement of the light reflector 4 on the inner surface of the concave container 3 of the light reflector 4 at the time of falling is made slippery, and further, the detectability of the light reflector 4 by the object detection means 2 is improved. Since it can be increased, it is possible to more stably detect the non-falling and falling state of the device.

また、この光反射面板１４の表面の状態は鏡面でもかまわないが、対象検知手段２の照射した光を１方向にのみ反射しないように、図１１の光反射子４の側面図に示したように、前記にて説明した乱反射加工１１を施すことで入射光を多方向に反射する面状態とすることが、より好ましい。   Further, the surface state of the light reflecting surface plate 14 may be a mirror surface, but as shown in the side view of the light reflector 4 in FIG. 11 so as not to reflect the light irradiated by the object detecting means 2 only in one direction. In addition, it is more preferable to apply the irregular reflection processing 11 described above to obtain a surface state in which incident light is reflected in multiple directions.

このような光反射子４の全体を透明材１３として、光反射子４を側面方向から見たときの楕円形状の長軸面の中央に光反射面板１４を挟み込んだ構成において、光反射面板１４の表面に乱反射加工１１を施すことで、光反射子４の表面と凹面容器３の内面との滑り性と対象検知手段２への光の再反射効率を同時に高めることで、転倒発生時における光反射子４の凹面容器３の内面での光反射子４の移動を滑り易くして、さらに、対象検知手段２による光反射子４の検知性を高めることができるために、より安定的に機器の非転倒および転倒の状態を検知することがでることとなる。   In the configuration in which the light reflector 4 as a whole is made of the transparent material 13 and the light reflector 4 is sandwiched in the center of the elliptical long-axis surface when the light reflector 4 is viewed from the side, the light reflector 14 By applying the irregular reflection processing 11 to the surface of the light, the slipperiness between the surface of the light reflector 4 and the inner surface of the concave container 3 and the re-reflection efficiency of the light to the object detection means 2 can be improved at the same time. Since the movement of the light reflector 4 on the inner surface of the concave container 3 of the reflector 4 can be made slippery and the detectability of the light reflector 4 by the object detection means 2 can be improved, the apparatus can be more stably provided. It is possible to detect the non-falling and falling state.

また、この光反射面板１４は光反射子４を側面方向から見たときの楕円形状の長軸面に対して平面の形状でもかまわないが、図１２の光反射子４の側面図に示したように光反射面板１４の長軸方向の中央で２分したときに中央を縦方向に厚くして、周辺に向かい厚さを薄くしたソロバン珠形状の双円錐とすることで、機器が転倒状態に無く光反射子４が凹面容器３の最下部に移動し対象検知手段２の検知可能範囲の中に位置するときに、凹面容器３の最下部の中央位置から多少ずれて傾いた状態で安定しても対象検知手段２の照射した光を対象検知手段２の方向に、より反射し易くすることもできる。 また、光反射面板１４の厚さを一様とはせずに、例えば図１３の光反射子４の側面図に示したように、光反射面板１４の厚みを中央から周辺に対して薄く形成して、光反射子４と同様に、扁平率が大きな準楕円形状とすることで、多少傾いて安定した光反射子４においても対象検知手段２の光照射面と光反射面板１４の光反射面とを並行に近づけて保つことができるために、対象検知手段２の照射光の反射性能を向上させることもできる。   Further, the light reflecting face plate 14 may have a planar shape with respect to the long axis surface of the elliptical shape when the light reflector 4 is viewed from the side direction, but is shown in the side view of the light reflector 4 in FIG. In this way, when the light reflecting face plate 14 is divided into two at the center in the long axis direction, the center is made thicker in the vertical direction and the thickness is reduced toward the periphery to make a abacus bead-shaped bicone, so that the device falls over When the light reflector 4 moves to the lowermost part of the concave container 3 and is located within the detectable range of the target detecting means 2, the light reflector 4 is stable in a state of being slightly shifted from the central position of the lowermost part of the concave container 3 Even so, the light irradiated by the target detection unit 2 can be more easily reflected in the direction of the target detection unit 2. Further, the thickness of the light reflecting surface plate 14 is not made uniform, but as shown in the side view of the light reflector 4 in FIG. As in the case of the light reflector 4, the light reflection surface of the object detection means 2 and the light reflection surface plate 14 are reflected even in the light reflector 4 that is slightly tilted and stable by forming a quasi-elliptical shape with a large flatness. Since the surface can be kept close to parallel, the reflection performance of the irradiation light of the object detection means 2 can also be improved.

このような、光反射子４の全体を透明材１３として、光反射子４を側面方向から見たときの楕円形状の長軸面の中央に光反射面板１４を挟み込んだ構成において、光反射面板１４の長軸状に２分したときに中央を縦方向に厚くして、周辺に向かい厚さを薄くしたソロバン珠形状の双円錐とする、あるいは光反射面板１４の厚みを中央から周辺に対して薄く形成して、扁平率が大きな準楕円形状とすることで、光反射子４の表面と凹面容器３の内面との滑り性と対象検知手段２への光の再反射効率を同時に高めることで、転倒発生時における光反射子４の凹面容器３の内面での光反射子４の移動をより妨げ難くして、また機器が転倒状態に無く光反射子４が凹面容器３の最下部に移動したときに、凹面容器３の最下部の中央位置から多少ずれて傾いた状態で安定しても対象検知手段２による光反射子４の検知性を高めることができるために、さらに安定的に機器の非転倒および転倒の状態を検知することがでることとなる。   In such a configuration in which the entire light reflector 4 is made of the transparent material 13 and the light reflecting surface plate 14 is sandwiched between the elliptical long-axis surfaces when the light reflector 4 is viewed from the side surface direction, the light reflecting surface plate When the main axis is divided into two major axes, the center is made thicker in the vertical direction, and the thickness of the light reflecting face plate 14 is increased from the center to the periphery. By forming a thin and thin quasi-elliptical shape with a large flatness ratio, the sliding property between the surface of the light reflector 4 and the inner surface of the concave container 3 and the light re-reflecting efficiency to the object detecting means 2 can be simultaneously improved. Thus, the movement of the light reflector 4 on the inner surface of the concave container 3 of the light reflector 4 at the time of the fall is made more difficult to prevent, and the light reflector 4 is placed at the lowermost part of the concave container 3 without the equipment being overturned. When moved, it slightly deviates from the central position at the bottom of the concave container 3 Stable in order to be able to enhance the detection of the light side reflector 4 by the object detecting means 2 be at had a state, and thus it is out to further detect the non-overturning and falling states of stable equipment.

なお、光反射子４を透明材１３で構成した場合、如何に透明な材料を使用して作成したとしても、その表面においては鏡面反射が生じて、対象検知手段２の照射した光の多くは光反射子４の光が当たった表面の曲率に応じて光の入射角度と反対の角度となる反射角の
方向に反射され、対象検知手段２の方向に再度、反射される光は少なくなるために対象検知手段２の対象検知性能の面では不利となる場合も考えられる。 In addition, when the light reflector 4 is composed of the transparent material 13, no matter how the transparent material 13 is used, a mirror reflection occurs on the surface, and much of the light irradiated by the target detecting means 2 The light reflected by the light reflector 4 is reflected in the direction of the reflection angle that is opposite to the incident angle of light according to the curvature of the surface on which the light hits, and the amount of light reflected again in the direction of the object detection means 2 is reduced. In addition, it may be disadvantageous in terms of the object detection performance of the object detection means 2.

よって、凹面容器３の内面での光反射子４に滑り性を良化しながら、さらに、対象検知手段２の照射した光ができる限り効率良く対象検知手段２の方向に反射されるようにするために、図１４の光反射子４の側面視方向の断面図に示したように、光反射子４の全体を中空構造とし、その外郭を無数の細かい網目状の開口部を有した薄い籠状外郭１５として、その内部で光反射子４を側面方向から見たときの楕円形状において長軸方向の中央位置に前記にて説明した光反射面板１４を配置した構成とすることもできる。   Therefore, in order to improve the slidability of the light reflector 4 on the inner surface of the concave container 3 and further, the light irradiated by the target detection means 2 is reflected in the direction of the target detection means 2 as efficiently as possible. Further, as shown in the sectional view of the light reflector 4 in the side view direction of FIG. 14, the entire light reflector 4 has a hollow structure, and its outer shell has a thin bowl shape having innumerable fine mesh-like openings. The outer shell 15 may be configured such that the light reflecting face plate 14 described above is disposed at the center position in the major axis direction in an elliptical shape when the light reflector 4 is viewed from the side surface direction.

ここで、この籠状外郭１５も、例えばアクリロニトリル・ブタジエン・スチレンなどの樹脂やポリアセタールやポリカーボネートなどの所謂、エンジニアリングプラスチック、また質量が重く耐酸化性の高いステンレスなどの金属などで、光反射子４を側面視方向で長軸方向に上下２分した形状に金型成型にて形成し研磨するなどして形状を整えた後、上下を張り合わせて準楕円形状に組み合わせて作成するものである。   Here, the bowl-shaped outer shell 15 is also made of a resin such as acrylonitrile, butadiene, styrene, or so-called engineering plastic such as polyacetal or polycarbonate, or a metal such as stainless steel having a heavy mass and high oxidation resistance. Is formed by molding and polishing into a shape that is vertically divided into two in the major axis direction in the side view direction, and the shape is adjusted, and then the upper and lower sides are bonded together to form a quasi-elliptical shape.

ここで、この籠状外郭１５の網目状の開口部は、光反射子４の表面において対象検知手段２の照射した光をできる限り反射しないように、籠状外郭１５を構成する材料の物理的強度が実使用上において光反射子４の準楕円球の形状を保てる範囲の面積で開口させるものである。そして光反射子４を平面視直径を４ｍｍから５ｍｍとしたときに、前記開口部は、例えば１平方ミリメートルから２平方ミリメートルの開口面積として開効率８０％以上にて形成することが望ましい。   Here, the mesh-shaped opening of the bowl-shaped outer shell 15 is configured so that the surface of the light reflector 4 does not reflect the light irradiated by the object detection means 2 as much as possible. In the actual use, the opening is made with an area in a range where the shape of the quasi-elliptical sphere of the light reflector 4 can be maintained. When the light reflector 4 has a diameter in plan view of 4 mm to 5 mm, the opening is desirably formed with an opening area of, for example, 1 square millimeter to 2 square millimeters with an opening efficiency of 80% or more.

このような構成によれば、光反射子４の全体を無数の細かい網目状の開口部を有した中空の籠状外郭１５にて形成して、その内部に光反射面板１４した構成とすることで、光反射子４の表面と凹面容器３の内面との滑り性を保持しながら、さらに、対象検知手段２への光の再反射効率を高めることで、転倒発生時における光反射子４の凹面容器３の内面での光反射子４の移動を滑り易くして、より対象検知手段２による光反射子４の検知性を高めることができるために、さらに安定的に機器の非転倒および転倒の状態を検知することがでることとなる。   According to such a configuration, the entire light reflector 4 is formed by the hollow bowl-shaped outer shell 15 having an infinite number of fine mesh openings, and the light reflecting face plate 14 is formed therein. Thus, while maintaining the slidability between the surface of the light reflector 4 and the inner surface of the concave container 3, the light re-reflection efficiency of the light to the target detection means 2 is further increased, so Since the movement of the light reflector 4 on the inner surface of the concave container 3 can be made slippery and the detectability of the light reflector 4 by the object detection means 2 can be improved, the device can be prevented from falling over and falling down more stably. It is possible to detect the state of.

なお、この籠状外郭１５にて光反射子４を形成する構成においても、図１５の光反射子４の側面図に示したように、前記にて説明した鏡面部１２を設けることにより、転倒発生時における光反射子４の凹面容器３の内面での光反射子４の移動を滑り易くすることできることは言うまでもない。   Even in the configuration in which the light reflector 4 is formed by the bowl-shaped outer shell 15, as shown in the side view of the light reflector 4 in FIG. It goes without saying that the movement of the light reflector 4 on the inner surface of the concave container 3 of the light reflector 4 at the time of occurrence can be made slippery.

なお、この籠状外郭１５にて光反射子４を形成し、内分に光反射面板１４を配置する構成においても、光反射面板１４に前記にて説明した、白色や灰白色の色素材１０を塗布、また乱反射加工１１、さらに、ソロバン珠形状の双円錐や準楕円球の形状とすることで対象検知手段２の照射した光を効率良く対象検知手段２の方向に反射できることは言うまでもない。   Even in the configuration in which the light reflector 4 is formed by the bowl-shaped outer shell 15 and the light reflecting face plate 14 is disposed inside, the white or grayish white color material 10 described above is applied to the light reflecting face plate 14. It goes without saying that the light irradiated by the object detection means 2 can be efficiently reflected in the direction of the object detection means 2 by applying the coating, the irregular reflection processing 11, and the Soroban bead-shaped bicone or quasi-elliptical sphere.

ここで、光反射子４は前記にて説明した通り、水平面上で傾きが無い安定状態にて、且つ転倒発生時には凹面容器３の内面を移動し易くするために準楕円形状としているが、実際の転倒検知の装置としての使用においては、搭載する機器の振動や外部からの不測の衝撃により、機器が転倒状態になくても光反射子４が凹面容器３の内部で傾いたり、凹面容器３の内部の中央最下部から多少移動したりすることで対象検知手段２への光の反射が減少して、対象検知手段２による正常な非転倒状態の判定が妨害されることがある。   Here, as described above, the light reflector 4 has a quasi-elliptical shape in order to make it easy to move the inner surface of the concave container 3 in a stable state where there is no inclination on the horizontal plane and when the overturn occurs. When the device is used as a fall detection device, the light reflector 4 is tilted inside the concave container 3 or the concave container 3 even if the device is not in a fall state due to vibration of the mounted device or unexpected impact from the outside. Or the like, the reflection of light to the target detection means 2 is reduced, and the normal non-falling state determination by the target detection means 2 may be hindered.

さらに、実際の転倒検知の装置としての使用においては、使用者が搭載する機器を転倒
状態から正常状態に衝撃無くゆっくりと戻されたときに、光反射子４が凹面容器３の内部で滑り凹面容器３の中央最下部に移動しきれずに、中央最下部に向かう途中で傾いた状態で安定する場合が有り、この場合においても対象検知手段２へ光が反射されずに、対象検知手段２による正常な非転倒状態の判定ができなくなることがある。 Further, in use as an actual fall detection device, the light reflector 4 slides inside the concave container 3 when the device mounted by the user is slowly returned from the fall state to the normal state without impact. There is a case where the container 3 cannot be moved to the lowermost center of the container 3 and is stable in a state of being inclined toward the lowermost center. In this case as well, the light is not reflected to the target detecting means 2 and the target detecting means 2 A normal non-falling state may not be determined.

このような正常な非転倒状態の判定ができない状態を起こり難くするための簡単な方策としては、光反射子４の全体の重量を重くすることで重力の作用を高めることで凹面容器３の内面での低位置方向への移動性を良化し、同時に静状態における安定性を向上させることで揺れに対する耐力を良化させることが考えられる。   As a simple measure for making it difficult for such a normal non-falling state to be determined, the inner surface of the concave container 3 is increased by increasing the action of gravity by increasing the weight of the light reflector 4 as a whole. It is conceivable to improve the resistance to shaking by improving the mobility in the low-position direction at the same time and improving the stability in a static state at the same time.

しかしながら、光反射子４の全体の重量を重くするためには、構成材料自体を単位体積当たりの重量が重い物質材で構成するか、光反射子４の全体を大きく構成する必要があるために、構成材料が限られる。また、光反射子４の全体を大きくすると転倒検知装置自体を大きく構成する必要があり、実際の装置への搭載において、用途が限られるなどの課題がある。   However, in order to increase the overall weight of the light reflector 4, it is necessary to configure the constituent material itself with a material material having a heavy weight per unit volume, or to configure the entire light reflector 4 to be large. The constituent materials are limited. Further, when the entire light reflector 4 is enlarged, it is necessary to make the fall detection device itself larger, and there is a problem that the application is limited in mounting on an actual device.

また、光反射子４の全体の重量を重くしても、光反射子４の側面視における短軸中央に位置する重心に対する全体の重量バランスには変化がないために、揺れ易さの改善には寄与しないこととなる。   In addition, even if the weight of the light reflector 4 is increased, the overall weight balance with respect to the center of gravity located at the center of the minor axis in the side view of the light reflector 4 does not change. Will not contribute.

そこで、光反射子４の全体の重量を重くする改善策によらず、安定性と移動性を向上させるためには、図１６（ａ）の光反射子４の平面図に示したように、光反射子４の周囲周辺部のみをリング状に重量体１６にて構成することで光反射子４の全体の重量を重くして、さらに、光反射子４の重心軸に対する全体の重量バランスを軸中央から周辺に移動させることができるために、安定性、および移動性を向上させることができる。   Therefore, in order to improve stability and mobility regardless of an improvement measure that increases the overall weight of the light reflector 4, as shown in the plan view of the light reflector 4 in FIG. By configuring only the peripheral part of the periphery of the light reflector 4 with the weight body 16 in the ring shape, the entire weight of the light reflector 4 is increased, and further, the overall weight balance with respect to the center of gravity axis of the light reflector 4 is increased. Since the center can be moved from the center to the periphery, stability and mobility can be improved.

なお、光反射子４における重量体１６の配置は、図１６（ｂ）の光反射子４の側面視方向の断面図に示したように、対象検知手段２から照射された光の反射に寄与する光反射子４の短軸の周辺部を避けて配置することで、重量体１６の材質は自由に選定することができる。つまり、重量体１６の光の反射性能とは関係なく配置することができ、対象検知手段２による正常な非転倒状態の判定を実現することができる。   The arrangement of the weight body 16 in the light reflector 4 contributes to the reflection of the light emitted from the object detection means 2 as shown in the sectional view of the light reflector 4 in the side view direction of FIG. The material of the weight body 16 can be freely selected by arranging the light reflector 4 so as to avoid the short axis peripheral portion. That is, it can arrange | position regardless of the light reflective performance of the weight body 16, and the determination of the normal non-falling state by the object detection means 2 is realizable.

また重量体１６を短軸の周辺部を避けて配置することは、光反射子４が凹面容器３の内面と接触する位置からも離れていることで移動性への直接的な材質的影響もない。また外部磁界を受ける環境における使用においても磁気的吸引力の影響で転倒の判定に不具合が生じないようにすることを考慮すると、磁性体以外で基本的に単位体積当たりの質量が重い、例えばステンレス材が適している。この場合、ステンレス材は光反射子４の側面視方向の短軸周辺部分とは別に成型して圧入することで光反射子４の一体として構成するものである。   In addition, the arrangement of the weight body 16 so as to avoid the short axis peripheral portion also has a direct material influence on the mobility because the light reflector 4 is separated from the position where the light reflector 4 contacts the inner surface of the concave container 3. Absent. In addition, when considering the use of an environment that receives an external magnetic field, considering that there is no problem with the judgment of falls due to the effect of magnetic attraction, the mass per unit volume is basically heavy except for magnetic materials, such as stainless steel. The material is suitable. In this case, the stainless steel material is configured as an integral part of the light reflector 4 by molding and press-fitting separately from the short axis peripheral portion of the light reflector 4 in the side view direction.

また、光反射子４の安定性、および移動性を向上させる別の方策としては、例えば、図１７の光反射子４の側面視方向の断面図に示したように、光反射子４の内部で短軸を中央として筒状空間１７を設け、この筒状空間１７の内部に錘板１８を可動自在として配置する方策もある。   Further, as another measure for improving the stability and mobility of the light reflector 4, for example, as shown in the sectional view of the light reflector 4 in the side view direction, as shown in FIG. There is also a method in which a cylindrical space 17 is provided with the short axis as the center, and the weight plate 18 is disposed in the cylindrical space 17 so as to be movable.

この、光反射子４の内部の筒状空間１７に配する錘板１８は光反射子４が水平面上で反転しても、常に錘板１８が筒状空間１７の内部の下部方向に移動し、且つ光反射子４の水平面上の安定時の重心位置が光反射子４の水平面との接触方向に移動して低重心化するように構成することで、安定性、および移動性を向上させることができるものである。   The weight plate 18 disposed in the cylindrical space 17 inside the light reflector 4 always moves toward the lower part inside the cylindrical space 17 even if the light reflector 4 is inverted on the horizontal plane. In addition, the stability and mobility of the light reflector 4 are improved by configuring the position of the center of gravity of the light reflector 4 on the horizontal plane in a stable direction to move in the contact direction with the horizontal plane of the light reflector 4 to lower the center of gravity. It is something that can be done.

なお、錘板１８も光反射子４の内部に配置するものであるが、外部磁界を受ける環境における使用においても磁気的吸引力の影響で転倒の判定に不具合が生じないようにすることを考慮して磁性体以外で基本的に比重が大きい、例えばステンレス材にて形成することが望ましく、この錘板１８を長軸中央の平面にて２分割として内部に筒状空間１７となる凹部を設けて成型した光反射子４の２つの構成片に装着し、貼り合わせることで、一体の光反射子４として構成するものである。   Although the weight plate 18 is also disposed inside the light reflector 4, it is considered that no trouble is caused in the fall determination due to the influence of the magnetic attractive force even in use in an environment where an external magnetic field is received. It is desirable to use stainless steel, for example, which is basically a specific gravity other than a magnetic material, and the weight plate 18 is divided into two on the plane at the center of the long axis so as to provide a concave portion that becomes a cylindrical space 17 inside. It is configured as an integrated light reflector 4 by being attached to and bonded to two constituent pieces of the light reflector 4 molded in this manner.

なお、錘板１８を光反射子４の内部に配置する構成において、光反射子４自体を前記にて説明した透明材１３にて構成し、錘板１８自体を前記にて説明した光反射面板１４として活用することも可能であり、このときも錘板１８を前記にて説明した、白色や灰白色の色素材１０を塗布、また乱反射加工１１、さらに、ソロバン珠形状の双円錐や準楕円の形状とすることで対象検知手段２の照射した光を効率良く対象検知手段２の方向に反射できることは言うまでもない。   In addition, in the structure which arrange | positions the weight board 18 in the inside of the light reflector 4, light reflector 4 itself is comprised with the transparent material 13 demonstrated above, and the weight board 18 itself is the light reflecting surface board demonstrated above. 14, and at this time, the weight plate 18 described above is coated with the white or grayish white color material 10, the irregular reflection processing 11, and the abacus-shaped bicone or quasi-ellipse. It goes without saying that the light irradiated by the object detection means 2 can be efficiently reflected in the direction of the object detection means 2 by adopting the shape.

このような構成によれば、光反射子４の周囲周辺部をリング状の重量体１６にて構成する、あるいは光反射子４の内部の短軸を中央に筒状空間１７を設け、この筒状空間１７の内部に錘板１８を可動自在として配置する構成として、光反射子４の全体の重量を重くして、光反射子４の重心軸に対する全体の重量バランスを短軸の中央から周辺に移動させ、また低重心化することで、光反射子４の凹面容器３の内部での安定性と移動性を向上させることで、さらに、機器の非転倒状態および転倒状態の検知の安定的性を高めることができることとなる。   According to such a configuration, the peripheral portion of the periphery of the light reflector 4 is configured by the ring-shaped weight body 16, or the cylindrical space 17 is provided with the short axis inside the light reflector 4 being the center. In the configuration in which the weight plate 18 is movably disposed in the inner space 17, the entire weight of the light reflector 4 is increased, and the entire weight balance with respect to the center of gravity axis of the light reflector 4 is increased from the center of the short axis to the periphery. In addition, by improving the stability and mobility of the light reflector 4 inside the concave container 3 by lowering the center of gravity, it is possible to detect the non-falling state and the falling state of the device. It will be possible to improve the nature.

なお、錘板１８を光反射子４の内部に配置する構成において、図１８の光反射子４の側面視方向の断面図に示したように、光反射子４自体を前記にて説明した籠状外郭１５にて構成し、その内部に筒状空間１７の代わりに上下方向を開放した中空の管状体１９を配置して、この管状体１９の内部に錘板１８を可動自在として配置する方策もあり、このときも錘板１８自体を前記にて説明した光反射面板１４として活用して、錘板１８を前記にて説明した、白色や灰白色の色素材１０を塗布、また乱反射加工１１、さらに、ソロバン珠形状の双円錐や準楕円の形状とすることで対象検知手段２の照射した光を確実に対象検知手段２の方向に反射できることは言うまでもない。   In the configuration in which the weight plate 18 is disposed inside the light reflector 4, the light reflector 4 itself has been described above as shown in the sectional view of the light reflector 4 in the side view direction of FIG. A hollow tubular body 19 which is constituted by a cylindrical outer shell 15 and is opened in the vertical direction instead of the cylindrical space 17 is disposed therein, and the weight plate 18 is disposed in the tubular body 19 so as to be movable. At this time, the weight plate 18 itself is utilized as the light reflecting face plate 14 described above, and the weight plate 18 is applied with the white or grayish white color material 10 described above, and the irregular reflection processing 11, Furthermore, it goes without saying that the light irradiated by the object detection means 2 can be reliably reflected in the direction of the object detection means 2 by adopting a Soroban bead-shaped bicone or quasi-ellipse shape.

（実施の形態２）
図１９に、本発明の実施の形態２における転倒検知装置の構成図を示す。 (Embodiment 2)
In FIG. 19, the block diagram of the fall detection apparatus in Embodiment 2 of this invention is shown.

なお、実施の形態１に対して同一の機能の構成には同一の図番を振り以降の詳細な説明は省くものとする。   It should be noted that the same function numbers are assigned to the same function configurations as those in the first embodiment, and detailed description after that is omitted.

本実施例は実施の形態１に対して、凹面容器３の中央最下部に設けた光透過開口５に、凹面容器３の漏斗状の窪みの内部と対象検知手段２の間を完全に分離するように光透過体２０を嵌挿し個設して配置したものである。   This example completely separates the inside of the funnel-shaped depression of the concave container 3 from the object detection means 2 in the light transmission opening 5 provided at the lowermost center of the concave container 3 with respect to the first embodiment. In this way, the light transmitting body 20 is inserted and provided individually.

ここで、この光透過体２０は対象検知手段２にて放射した光と光反射子４の表面にて対象検知手段２の方向に再反射される光を透過しながら光透過開口５を完全に密閉し、且つ光反射子４との長期の接触や擦れにおいても表面が劣化し難い透明で傷が付き難い硬質の材質で構成することが望ましく、例えば、ポリカーボネート等の樹脂材やガラス材を鏡面加工した金型にて成型するものである。   Here, the light transmitting body 20 completely passes through the light transmitting opening 5 while transmitting the light radiated from the target detecting means 2 and the light re-reflected in the direction of the target detecting means 2 on the surface of the light reflector 4. It is desirable to use a hard material that is hermetically sealed and transparent and hard to be scratched even when the light reflector 4 is in contact with or rubbed over a long period of time. It is molded with a processed mold.

また、光透過体２０の凹面容器３の内部に接する面は、凹面容器３の中央最下部の形状に曲面形状を合わせて成型するものであり、光透過開口５に光透過体２０を嵌挿した状態において凹面容器３の中央最下部の面と光透過体２０の凹面容器３の内部に接する面は同
一の曲面となるように形成することで、光透過開口５が光透過体２０で塞がれていない状態に対して、凹面容器３の内面における光反射子４の滑りによる移動を、より妨げないよう構成するものである。 The surface of the light transmitting body 20 that contacts the inside of the concave container 3 is formed by matching the curved shape with the shape of the lowermost center of the concave container 3, and the light transmitting body 20 is inserted into the light transmitting opening 5. In this state, the lowermost surface of the center of the concave container 3 and the surface of the light transmitting body 20 in contact with the inside of the concave container 3 are formed to have the same curved surface, so that the light transmitting opening 5 is blocked by the light transmitting body 20. With respect to the state where it is not peeled off, the movement of the light reflector 4 on the inner surface of the concave container 3 due to slippage is not further hindered.

このような構成によれば、凹面容器３の漏斗状の窪みの内部は容器蓋６と光透過体２０で密閉できるために、外気との暴露による光反射子４の表面が酸化や、埃が付着するなどの物理的劣化の進行を遅らせられ、また凹面容器３の中央最下部の面と光透過体２０の凹面容器３の内部に接する面は同一の曲面となるように形成しているために、転倒発生時における凹面容器３の内面での光反射子４の移動が滑り易くなるために、長期の使用においてもより安定的に機器の非転倒状態、および転倒状態を検知できる装置とすることができる。   According to such a configuration, since the inside of the funnel-shaped depression of the concave container 3 can be sealed with the container lid 6 and the light transmitting body 20, the surface of the light reflector 4 due to exposure to the outside air is oxidized or dusty. The progress of physical deterioration such as adhesion is delayed, and the bottom surface of the center of the concave container 3 and the surface in contact with the inside of the concave container 3 of the light transmitting body 20 are formed to be the same curved surface. In addition, since the movement of the light reflector 4 on the inner surface of the concave container 3 at the time of falling is easy to slip, the device can detect the non-falling state and the falling state of the device more stably even in long-term use. be able to.

（実施の形態３）
図２０に、本発明の実施の形態３における転倒検知装置の構成図を示す。 (Embodiment 3)
In FIG. 20, the block diagram of the fall detection apparatus in Embodiment 3 of this invention is shown.

なお、実施の形態１に対して同一の機能の構成には同一の図番を振り以降の詳細な説明は省くものとする。   It should be noted that the same function numbers are assigned to the same function configurations as those in the first embodiment, and detailed description after that is omitted.

本実施例は実施の形態１に対して、凹面容器３を回路基板１に固設するための固定爪部７の配置を容器蓋６から凹面容器３に変え、容器蓋６を凹面容器３の漏斗状の窪みの開放端に個設することで凹面容器３の内部と外気を分離するように構成したものである。   In this example, the arrangement of the fixing claw portion 7 for fixing the concave container 3 to the circuit board 1 is changed from the container lid 6 to the concave container 3 with respect to the first embodiment. The inside of the concave container 3 is separated from the outside air by being provided individually at the open end of the funnel-shaped depression.

ここで、この凹面容器３の漏斗状の窪みの開放端に個設するようにした容器蓋６は凹面容器３と同一の材料にて凹面容器３の漏斗状の窪みの開放端に勘合して固設できるように形成するものであり、凹面容器３の内部の密閉性を、より高めるために、例えば接着、あるいは溶着などの永久的な個設手法により凹面容器３に取り付けることが望ましい。   Here, the container lid 6 individually provided at the open end of the funnel-shaped depression of the concave container 3 is fitted into the open end of the funnel-shaped depression of the concave container 3 with the same material as the concave container 3. It is formed so that it can be fixed, and it is desirable to attach it to the concave container 3 by a permanent individual method such as adhesion or welding in order to further improve the internal sealing performance of the concave container 3.

このような構成によれば、凹面容器３は凹面容器３に設けた固定爪部７で回路基板１に固定して取り付けて、凹面容器３の漏斗状の窪みの開放端に容器蓋６を個設することで内部を密閉することができる。また、凹面容器３の全体を覆うサイズの容器蓋６は不要となるために転倒検知装置の外形を小型化でき、さらに、凹面容器３の内部の密閉性を高めることもできる。そして、長期の使用においてもより安定的に機器の非転倒状態および転倒状態を検知できる装置とすることができる。   According to such a configuration, the concave container 3 is fixedly attached to the circuit board 1 by the fixing claw portion 7 provided in the concave container 3, and the container lid 6 is individually attached to the open end of the funnel-shaped depression of the concave container 3. By installing, the inside can be sealed. Further, since the container lid 6 having a size covering the entire concave container 3 is not required, the outer shape of the overturn detection device can be reduced, and the hermeticity inside the concave container 3 can be improved. And it can be set as the apparatus which can detect the non-falling state and falling state of an apparatus more stably also in long-term use.

（実施の形態４）
図２１に、本発明の実施の形態４における転倒検知装置の構成図を示す。 (Embodiment 4)
In FIG. 21, the block diagram of the fall detection apparatus in Embodiment 4 of this invention is shown.

なお、実施の形態３に対して同一の機能の構成には同一の図番を振り以降の詳細な説明は省くものとする。   It should be noted that the same function number is assigned to the same function configuration as in the third embodiment, and the detailed description after that is omitted.

本実施例は実施の形態１から実施の形態３に対して、凹面容器３の中央最下部に設けた光透過開口５に、凹面容器３の漏斗状の窪みの内部と対象検知手段２の間を完全に分離するように光透過体２０を嵌挿し個設して、また凹面容器３を回路基板１に固設するための固定爪部７の配置を容器蓋６から凹面容器３に変え、さらに、容器蓋６を凹面容器３の漏斗状の窪みの開放端に個設することで凹面容器３の内部と外気を分離するように構成したものである。また、光透過体２０は、凹面容器３の中央最下部の面と光透過体２０の凹面容器３の内部に接する面は同一の曲面となるように形成している。   The present embodiment is different from the first to third embodiments in that the light transmitting opening 5 provided at the lowermost center of the concave container 3 is provided between the inside of the funnel-shaped depression of the concave container 3 and the object detection means 2. The light transmitting body 20 is inserted and provided so as to be completely separated, and the arrangement of the fixing claw portion 7 for fixing the concave container 3 to the circuit board 1 is changed from the container lid 6 to the concave container 3. Further, the container lid 6 is individually provided at the open end of the funnel-shaped depression of the concave container 3 so that the inside of the concave container 3 and the outside air are separated. The light transmitting body 20 is formed so that the lowermost surface of the center of the concave container 3 and the surface in contact with the inside of the concave container 3 of the light transmitting body 20 are the same curved surface.

このような構成によれば、凹面容器３は凹面容器３に設けた固定爪部７で回路基板１に固定して取り付けて、凹面容器３の漏斗状の窪みの開放端に容器蓋６を個設して内部を密
閉することで、凹面容器３の全体を覆うサイズの容器蓋６は不要となるために装置全体の構成を小型化でき、また凹面容器３の漏斗状の窪みの内部は容器蓋６と光透過体２０で密閉できるために、容器蓋６または光透過体２０のどちらか一方のみを備えたものよりも、外気との暴露による光反射子４の表面が酸化や、埃が付着するなどの物理的劣化の進行を確実に遅らせ、さらに、凹面容器３の中央最下部の面と光透過体２０の凹面容器３の内部に接する面は同一の曲面となるように形成していることで転倒発生時における凹面容器３の内面での光反射子４の移動が滑り易くなるために、装置形状を小型としながら長期の使用においてもさらに安定的に機器の非転倒状態および転倒状態を検知できる装置とすることができる。 According to such a configuration, the concave container 3 is fixedly attached to the circuit board 1 by the fixing claw portion 7 provided in the concave container 3, and the container lid 6 is individually attached to the open end of the funnel-shaped depression of the concave container 3. By providing and sealing the inside, a container lid 6 of a size covering the entire concave container 3 is not required, so that the overall configuration of the apparatus can be reduced, and the inside of the funnel-shaped depression of the concave container 3 is a container. Since the lid 6 and the light transmitting body 20 can be sealed, the surface of the light reflector 4 due to exposure to the outside air is oxidized or dusted more than the one provided with either the container lid 6 or the light transmitting body 20. The progress of physical deterioration such as adhesion is surely delayed, and furthermore, the lowermost surface of the center of the concave container 3 and the surface of the light transmitting body 20 in contact with the inside of the concave container 3 are formed to be the same curved surface. The movement of the light reflector 4 on the inner surface of the concave container 3 when a fall occurs Ri To easily, can be also more stably can be detected non-fallen state and inclining state of the equipment devices in use long while the device shape and size.

（実施の形態５）
図２２に、本発明の実施の形態５における転倒検知装置の構成図を示す。 (Embodiment 5)
In FIG. 22, the block diagram of the fall detection apparatus in Embodiment 5 of this invention is shown.

なお、実施の形態３に対して同一の機能の構成には同一の図番を振り以降の詳細な説明は省くものとする。   It should be noted that the same function number is assigned to the configuration of the same function as in the third embodiment, and detailed description after that is omitted.

本実施例は実施の形態３に対して、対象検知手段２の構成そのものを凹面容器３の中央最下部に設けた光透過開口５の下部に凹面容器３の成型時において同時に埋め込ませて配置し、さらに凹面容器３からも固定爪部７を削除した構成としたものである。   In this example, the configuration of the object detection means 2 is embedded in the lower part of the light transmission opening 5 provided at the center lowermost part of the concave container 3 at the same time as the concave container 3 is molded with respect to the third embodiment. Further, the fixed claw portion 7 is also removed from the concave container 3.

ここで、本構成においては回路基板１の下面側に備える回路パターンの定位置のランドに凹面容器３に埋め込ませた対象検知手段２に備える端子９をハンダ付けして個設することで回路基板１に対して凹面容器３を固定して配置するものである。   Here, in the present configuration, the circuit board 1 is provided by soldering the terminal 9 provided in the object detection means 2 embedded in the concave container 3 to the land at a fixed position of the circuit pattern provided on the lower surface side of the circuit board 1. The concave container 3 is fixedly arranged with respect to 1.

このような構成によれば、凹面容器３の漏斗状の窪みの開放端に容器蓋６を個設して内部を密閉することで、凹面容器３の全体を覆うサイズの容器蓋６は不要として装置全体の構成の小型化を図りながら、外気との暴露による光反射子４の表面が酸化や、埃が付着するなどの物理的劣化の進行を遅らせられ、また凹面容器３の中央最下部に設けた光透過開口５の下部に対象検知手段２の構成そのものを埋め込ませて配置しているために回路基板１から分離できる単独のデバイス装置として一体化することが可能となるために、装置全体の構成を１体のデバイスとしてさらに小型化を図りながら、長期の使用においてもさらに安定的に機器の非転倒状態および転倒状態を検知できる装置とすることができる。   According to such a configuration, the container lid 6 is individually provided at the open end of the funnel-shaped depression of the concave container 3 and the inside is sealed, so that the container lid 6 having a size covering the entire concave container 3 is unnecessary. While the size of the entire apparatus is reduced, the surface of the light reflector 4 due to exposure to the outside air is retarded in the progress of physical deterioration such as oxidation or adhesion of dust. Since the configuration of the object detection means 2 is embedded in the lower part of the light transmission opening 5 provided and can be integrated as a single device that can be separated from the circuit board 1, the entire apparatus The device can be further reduced in size as a single device, and can be a device that can more stably detect the non-falling state and the falling state of the device even during long-term use.

なお、凹面容器３に対象検知手段２の構成を埋め込ませて配置する代わりに、対象検知手段２を構成する光照射用のＬＥＤ２ａと受光検知用のフォトトランジスター２ｂを凹面容器３の成型時に定位置に配置して同時に埋め込ませて成型することで凹面容器３の一体の構成としてもかまわない。   In place of embedding the configuration of the target detection means 2 in the concave container 3, the light emitting LED 2a and the photodetection phototransistor 2b constituting the target detection means 2 are fixed at the time of molding the concave container 3. Alternatively, the concave container 3 may be integrated with the concave container 3 by being simultaneously embedded and molded.

（実施の形態６）
図２３に、本発明の実施の形態６における転倒検知装置の構成図を示す。 (Embodiment 6)
FIG. 23 shows a configuration diagram of the fall detection device according to the sixth embodiment of the present invention.

なお、実施の形態４および実施の形態５に対して同一の機能の構成には同一の図番を振り以降の詳細な説明は省くものとする。   It should be noted that the same function numbers are assigned to the same function configurations as in the fourth embodiment and the fifth embodiment, and the detailed description after that is omitted.

本実施例は実施の形態４および実施の形態５に対して、本実施例は実施の形態４、および実施の形態５に対して、対象検知手段２の構成そのものを凹面容器３の中央最下部に設けた光透過開口５の下部に凹面容器３の成型時において同時に埋め込ませて配置して、さらに凹面容器３からも固定爪部７を削除した構成としたものである。   The present embodiment is different from the fourth and fifth embodiments, and the present embodiment is different from the fourth and fifth embodiments in that the configuration of the object detection means 2 is the lowermost center of the concave container 3. The concave claw portion 7 is also removed from the concave container 3 by being embedded at the same time when the concave container 3 is molded at the bottom of the light transmission opening 5 provided in the concave container 3.

このような構成によれば、凹面容器３の漏斗状の窪みの内部は容器蓋６と光透過体２０
で密閉できるために、凹面容器３の全体を覆うサイズの容器蓋６は不要として装置全体の構成の小型化を図りながら、外気との暴露による光反射子４の表面が酸化や、埃が付着するなどの物理的劣化の進行を遅らせられ、また凹面容器３の中央最下部に設けた光透過開口５の下部に対象検知手段２の構成そのものを埋め込ませて配置しているために回路基板１から分離できる単独のデバイス装置として一体化することが可能となり、さらに、凹面容器３の中央最下部に設けた光透過開口５は凹面容器３の曲面と同一となるように形成した光透過体２０で塞ぐことで転倒発生時における凹面容器３の内面での光反射子４の移動が滑り易くなるために、装置全体の構成を１体のデバイスとしてさらに小型化を図りながら、長期の使用においてもさらに安定的に機器の非転倒状態および転倒状態を検知できる装置とすることができる。 According to such a configuration, the inside of the funnel-shaped depression of the concave container 3 is the container lid 6 and the light transmitting body 20.
Since the container lid 6 having a size covering the entire concave container 3 is not required and the overall structure of the apparatus is reduced in size, the surface of the light reflector 4 due to exposure to outside air is oxidized or dust is attached. The circuit board 1 is arranged because the physical deterioration of the target detector 2 is delayed and the structure of the object detection means 2 is embedded in the lower part of the light transmission opening 5 provided at the lowermost center of the concave container 3. Can be integrated as a single device device that can be separated from the light source, and the light transmitting opening 20 provided at the lowermost center of the concave container 3 is the same as the curved surface of the concave container 3. Since the movement of the light reflector 4 on the inner surface of the concave container 3 at the time of the fall is made slippery by closing it with the device, the entire device configuration can be further reduced in size as a single device, and even in long-term use The Stably it can be a device capable of detecting non-fall state and inclining state of the equipment.

本発明にかかる転倒検知装置は長期の使用においても、より安定して機器の非転倒および転倒の状態の検知を可能とするものであるので、加湿機、除湿機、電気ポット等の水に関する機器や、石油ファンヒーター等の液体燃料を使用する機器などの液体を扱う機器や、電気ヒーター、扇風機、アイロン等製品の使用時の姿勢を限定する電気機器において、転倒状態の発生を的確に検知し機器の運転停止および警報を促す装置に使用される転倒検知装置等として有用である。   Since the fall detection device according to the present invention is capable of detecting the non-falling and falling state of the device more stably even in long-term use, the device relating to water such as a humidifier, a dehumidifier, an electric pot, etc. In addition, equipment that handles liquids such as oil fan heaters and other equipment that uses liquid fuel, and electrical equipment that limits the posture when using products such as electric heaters, electric fans, and irons, can accurately detect the occurrence of falls. It is useful as a fall detection device or the like used in a device that prompts the operation stop and warning of the device.

１ 回路基板
２ 対象検知手段
３ 凹面容器
４ 光反射子
５ 光透過開口
６ 容器蓋
７ 固定爪部
８ 基板穴
１０ 色素材
１１ 乱反射加工
１２ 鏡面部
１３ 透明材
１４ 光反射面板
１５ 籠状外郭
１６ 重量体
１７ 筒状空間
１８ 錘板
１９ 管状体
２０ 光透過体 1 Circuit board 2 Object detection means
DESCRIPTION OF SYMBOLS 3 Concave container 4 Light reflector 5 Light transmissive opening 6 Container lid 7 Fixing claw part 8 Substrate hole 10 Color material 11 Diffuse reflection process 12 Mirror surface part 13 Transparent material 14 Light reflection face plate 15 Cage-shaped outer shell 16 Weight body 17 Cylindrical space 18 Weight Plate 19 Tubular body 20 Light transmitting body

Claims (19)

機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、
この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、
前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、
前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、
前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、
前記光反射子は水平面上での安定状態において平面視が円形で側面視が重力方向に潰れた楕円形状として前記凹面容器の内面と点接触することにより前記対象検知手段の照射する光の反射の分散を抑制する転倒検知装置。 In overturn detection device which is disposed substantially horizontally with respect to built-in the direction of gravity in the device,
A concave container having a Hisashi Naka is recessed in funnel-shaped space,
Object detection means for irradiating light in the vertical direction at the bottom of the depression of the concave container and detecting the presence or absence of the object by the presence or absence of reflected light,
A light reflecting element formed in a non-magnetic material that reflects light irradiated the funnel-shaped recess the object detecting means while movably freely disposed in the interior of the concave vessel,
A container closure for a lid over the space of the funnel-like recess in a state that takes the light reflecting element within a funnel-shaped recess of the concave vessel,
A light transmission opening for transmitting the light reflected by the object reflector and reflected by the light reflector at the bottom of the funnel-shaped depression of the concave container;
Light irradiation of the object detecting means by prior Symbol light side reflector is a plane view in a stable state on the horizontal plane in side view a circular contacts the inner surface and the point of the concave vessel and the elliptical shape collapsed in the direction of gravity Fall detection device that suppresses dispersion of reflection . 前記光反射子の表面に光を多方向に反射する乱反射加工を施した請求項１記載の転倒検知装置。 The fall detection device according to claim 1, wherein the surface of the light reflector is subjected to irregular reflection processing for reflecting light in multiple directions. 前記光反射子を側面方向から見て楕円形状の短軸上の上下２箇所となる部位に鏡面部を設けた請求項１記載の転倒検知装置。 Fall detection device according to claim 1, wherein having a mirror surface portion at a site comprising two upper and lower places on the minor axis of the elliptical shape as viewing the light reflected element from the side. 機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、
この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、
前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、
前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、
前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光
を透過させるための光透過開口を備え、
前記光反射子は、水平面上での安定状態において平面視が円形で側面視が重力方向に潰れた楕円形状で全体を透明材で形成し、かつ、この光反射子の内部で光反射子を側面方向から見たときの楕円形状の長軸面の中央に光を反射させるための光反射面板を挟み込んだ転倒検知装置。 In the fall detection device that is built in the equipment and is arranged almost horizontally to the direction of gravity,
A concave container having a space with a funnel-shaped center;
Object detection means for irradiating light in the vertical direction at the bottom of the depression of the concave container and detecting the presence or absence of the object by the presence or absence of reflected light,
A light reflector formed of a non-magnetic material that reflects the light irradiated by the target detection means in a freely movably disposed state inside the funnel-shaped depression of the concave container;
A container lid that covers and covers the space of the funnel-shaped depression in a state where the light reflector is placed inside the funnel-shaped depression of the concave container;
Light that is reflected by the light reflector when the object detection unit irradiates the lowest part of the funnel-shaped depression of the concave container
With a light transmissive aperture for transmitting
The light reflector is formed of a transparent material as a whole in an elliptical shape with a circular plan view and a side view collapsed in the direction of gravity in a stable state on a horizontal plane , and the light reflector is disposed inside the light reflector. A fall detection device that sandwiches a light reflection face plate for reflecting light at the center of an elliptical long axis when viewed from the side. 機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、
この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、
前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、
前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、
前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、
前記光反射子は、水平面上での安定状態において平面視が円形で側面視が重力方向に潰れた楕円形状で全体を中空構造とし、その外郭を無数の細かい網目状の開口を有した薄い籠状外郭で構成し、かつ、この光反射子の内部で光反射子を側面方向から見たときの楕円形状の長軸面の中央に光を反射させるための光反射面板を配置した転倒検知装置。 In the fall detection device that is built in the equipment and is arranged almost horizontally to the direction of gravity,
A concave container having a space with a funnel-shaped center;
Object detection means for irradiating light in the vertical direction at the bottom of the depression of the concave container and detecting the presence or absence of the object by the presence or absence of reflected light,
A light reflector formed of a non-magnetic material that reflects the light irradiated by the target detection means in a freely movably disposed state inside the funnel-shaped depression of the concave container;
A container lid that covers and covers the space of the funnel-shaped depression in a state where the light reflector is placed inside the funnel-shaped depression of the concave container;
A light transmission opening for transmitting the light reflected by the object reflector and reflected by the light reflector at the bottom of the funnel-shaped depression of the concave container;
The light reflector is an elliptical shape that is circular in plan view and crushed in the direction of gravity in a stable state on a horizontal plane, and has a hollow structure as a whole. constituted by Jogaikaku and internally overturning detection placing the light reflecting surface plate for reflecting light in the center of the long axis side of the elliptic shape when viewed light reflecting element from the side of the light reflecting element apparatus. 前記光反射子を側面方向から見て楕円形状の短軸上の上下２箇所となる部位に鏡面部を設ける請求項５記載の転倒検知装置。 The fall detection device according to claim 5 , wherein a mirror surface portion is provided at two upper and lower portions on an elliptical short axis when the light reflector is viewed from the side. 前記光反射面板の表面は光の反射率が高い白色系の色調や材質とした請求項４または５記載の転倒検知装置。 The fall detection device according to claim 4 or 5, wherein a surface of the light reflecting face plate is made of a white color tone or material having a high light reflectance. 前記光反射面板の表面に光を多方向に反射する乱反射加工を施した請求項４または５記載の転倒検知装置。 The fall detection device according to claim 4 or 5, wherein the surface of the light reflecting face plate is subjected to irregular reflection processing for reflecting light in multiple directions. 前記光反射面板は水平面上での安定状態の側面視において長軸方向の中央で２分したときに中央を縦方向に厚く、周辺に向かい厚さを薄くしたソロバン珠形状の双円錐とした請求項４または５記載の転倒検知装置。 The light-reflecting faceplate is a Soroban pearl-shaped bicone that is thick at the center in the longitudinal direction and thinned toward the periphery when bisected at the center in the major axis direction in a side view in a stable state on a horizontal plane. Item 6. The fall detection device according to Item 4 or 5 . 前記光反射面板は水平面上での安定状態の側面視において重力方向に潰れた光反射子の曲率よりも小さな曲率を備えた準楕円球形状とした請求項４または５記載の転倒検知装置。 The fall detection device according to claim 4 or 5, wherein the light reflecting face plate has a quasi-elliptical sphere shape having a curvature smaller than a curvature of the light reflector collapsed in the direction of gravity in a side view in a stable state on a horizontal plane. 前記光反射子は水平面上に安定した状態の平面視において円周上の周辺部にリング状の重量体を配置した請求項１〜１０いずれかひとつに記載の転倒検知装置。 The fall detection device according to any one of claims 1 to 10, wherein the light reflector includes a ring-shaped weight body arranged in a peripheral portion on a circumference in a plan view in a stable state on a horizontal plane. 機器に内蔵され重力方向に対して略水平に配置される転倒検知装置において、
中央を漏斗状に窪ませた空間を有する凹面容器と、
この凹面容器の窪みの最下部に、鉛直方向に光を照射し反射光の有無で対象の有無を検知する対象検知手段と、
前記凹面容器の漏斗状の窪みの内部に可動自在に自由配置した状態で前記対象検知手段の照射する光を反射する非磁性体にて形成された光反射子と、
前記凹面容器の漏斗状の窪みの内部に前記光反射子を入れた状態において漏斗状の窪みの空間を覆って蓋をする容器蓋と、
前記凹面容器の漏斗状の窪みの最下部に前記対象検知手段が照射し光反射子が反射する光を透過させるための光透過開口を備え、
前記光反射子を水平面上に安定させた状態の側面視において、縦方向に内部を円筒状に中空とした筒状空間を設け、
この筒状空間の内部に水平面上にて平板形状の錘板を可動自在として配置した転倒検知装置。 In the fall detection device that is built in the equipment and is arranged almost horizontally to the direction of gravity,
A concave container having a space with a funnel-shaped center;
Object detection means for irradiating light in the vertical direction at the bottom of the depression of the concave container and detecting the presence or absence of the object by the presence or absence of reflected light,
A light reflector formed of a non-magnetic material that reflects the light irradiated by the target detection means in a freely movably disposed state inside the funnel-shaped depression of the concave container;
A container lid that covers and covers the space of the funnel-shaped depression in a state where the light reflector is placed inside the funnel-shaped depression of the concave container;
A light transmission opening for transmitting the light reflected by the object reflector and reflected by the light reflector at the bottom of the funnel-shaped depression of the concave container;
In a side view in a state in which the light reflective element was stabilized on a horizontal plane, the hollow and the tubular space inside the cylindrical disposed longitudinally,
The cylindrical space rolling倒検intellectual device placing the weight board flat plate shape as a freely movable in the interior in a horizontal plane on. 前記光反射子の全体を透明材で形成した請求項１２記載の転倒検知装置。 The fall detection device according to claim 12, wherein the entire light reflector is formed of a transparent material. 前記光反射子の全体を中空構造とし、その外郭を無数の細かい網目状の開口を有した薄い籠状外郭で構成した請求項１２記載の転倒検知装置。 13. The fall detection device according to claim 12, wherein the entire light reflector has a hollow structure, and its outer shell is formed of a thin bowl-shaped outer shell having countless fine mesh openings . 前記錘板の表面は光の反射率が高い白色系の色調や材質とした請求項１３または１４記載の転倒検知装置。 The fall detection device according to claim 13 or 14, wherein a surface of the weight plate is made of a white color or material having a high light reflectance. 前記錘板の表面に光を多方向に反射する乱反射加工を施した請求項１３または１４記載の転倒検知装置。 The fall detection device according to claim 13 or 14, wherein the surface of the weight plate is subjected to irregular reflection processing for reflecting light in multiple directions. 前記錘板は水平面上に安定させた状態の側面視において長軸方向の中央で２分したときに中央を縦方向に厚くして、周辺に向かい厚さを薄くしたソロバン珠形状の双円錐とした請求項１３または１４記載の転倒検知装置。 The weight plate is a Soroban pearl-shaped bicone with a thick center in the longitudinal direction and a thin thickness toward the periphery when divided into two in the center in the long axis direction in a side view in a state of being stabilized on a horizontal plane. The fall detection device according to claim 13 or 14 . 前記錘板は水平面上での安定状態の側面視において重力方向に潰れた光反射子の曲率よりも小さな曲率を備えた準楕円球形状とした請求項１３または１４記載の転倒検知装置。 The fall detection device according to claim 13 or 14, wherein the weight plate has a quasi-elliptical sphere shape having a curvature smaller than a curvature of a light reflector collapsed in a gravity direction in a side view in a stable state on a horizontal plane. 凹面容器の漏斗状の窪みの最下部に設けた光透過開口に光を透過させる光透過体を個設し、
この光透過体は、凹面容器の漏斗状の窪みの内部の空間と対象検知手段の間を分離し、凹面容器の内部空間側の面をその凹面容器の内面の曲面と同一となるように形成した請求項１〜１８いずれかひとつに記載の転倒検知装置。
 A light transmitting body that transmits light is individually provided in the light transmitting opening provided at the bottom of the funnel-shaped depression of the concave container ,
This light transmitting body separates the space inside the funnel-shaped depression of the concave container and the object detection means, and forms the surface on the inner space side of the concave container to be the same as the curved surface of the inner surface of the concave container. The fall detection device according to any one of claims 1 to 18 .
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