JP2020060549A - Temperature measuring device and thermometer - Google Patents
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Abstract
Description
本発明は、温度計測装置、及び、体温計に関する。 The present invention relates to a temperature measuring device and a thermometer.
特許文献１には、本体部に対して弾性的に曲げることができるプローブ部を有し、検温時にフィット感が得られる電子体温計が記載されている。 Patent Document 1 describes an electronic thermometer that has a probe portion that can be elastically bent with respect to the main body portion and that provides a fit during temperature measurement.
解決しようとする課題は、温度を迅速に計測することができる温度計測装置、及び、体温計を提供することである。 The problem to be solved is to provide a temperature measuring device and a thermometer that can measure the temperature quickly.
本発明の第１の観点に係る温度計測装置は、センサ信号を出力するセンサと、一端側が前記センサと電気的に接続された電線と、前記電線の他端側に電気的に接続された電極とを有する配線部と、前記電極に電気的に接続され前記配線部を介して供給された前記センサ信号を用いて演算を行い、温度情報を出力する電気回路部と、前記電気回路部が搭載された回路基板と、前記回路基板よりも薄い可撓性のフィルム部材と、前記電気回路部と、前記回路基板とを収容する筐体とを有し、前記電線、及び、前記センサは、前記フィルム部材に被覆され、前記フィルム部材の前記電線を被覆している部分の少なくとも一部は前記筐体に収容され、前記フィルム部材の前記センサを被覆している部分は前記筐体から露出している。 A temperature measuring device according to a first aspect of the present invention includes a sensor that outputs a sensor signal, an electric wire whose one end side is electrically connected to the sensor, and an electrode electrically connected to the other end side of the electric wire. And a wiring section having an electric circuit section, an electric circuit section electrically connected to the electrode and performing a calculation using the sensor signal supplied through the wiring section, and outputting temperature information, and the electric circuit section is mounted. The circuit board, a flexible film member thinner than the circuit board, the electric circuit unit, and a housing that accommodates the circuit board, the wire, and the sensor, At least a part of a portion of the film member which covers the electric wire of the film member is accommodated in the housing, and a portion of the film member which covers the sensor is exposed from the housing. There is.
本発明によれば、温度を迅速に計測することができる温度計測装置、及び、体温計を提供することができる。 ADVANTAGE OF THE INVENTION According to this invention, the temperature measuring device which can measure temperature rapidly and a thermometer can be provided.
（第１実施形態） (First embodiment)
図１は第１実施形態の温度計測装置を説明するための正面断面図、図２は第１実施形態の温度計測装置を説明するための平面断面図、図３は第１実施形態の温度計測装置を説明するための平面図である。 1 is a front sectional view for explaining the temperature measuring device of the first embodiment, FIG. 2 is a plan sectional view for explaining the temperature measuring device of the first embodiment, and FIG. 3 is a temperature measuring device of the first embodiment. It is a top view for explaining a device.
図１〜図３において、第１実施形態の温度計測装置は、体温を測るための体温計である。本実施形態の温度計測装置１は、センサ１０と、配線部２０と、フィルム部３０と、メイン基板９１と、筐体（ケース）９２と、電気回路８０と、電池８８と、液晶モニタ８９とを有する。 1 to 3, the temperature measuring device according to the first embodiment is a thermometer for measuring body temperature. The temperature measuring device 1 according to the present embodiment includes a sensor 10, a wiring section 20, a film section 30, a main board 91, a casing (case) 92, an electric circuit 80, a battery 88, and a liquid crystal monitor 89. Have.
電気回路８０は、例えば、ＩＣ（集積回路）、抵抗、コンデンサ、トランジスタ等の複数の電子部品を有し、種々の演算を行い、温度情報Ｓ２、電流信号、電圧信号等の生成を行う回路を構成している。電気回路８０は、後述する配線部２０を介してセンサ１０に電気的に接続されている。 The electric circuit 80 has, for example, a plurality of electronic components such as an IC (integrated circuit), a resistor, a capacitor, a transistor, etc., and performs various calculations to generate a temperature information S2, a current signal, a voltage signal, etc. I am configuring. The electric circuit 80 is electrically connected to the sensor 10 via a wiring section 20 described later.
液晶モニタ８９は、その一部が筐体９２から露出しており（図３ご参照）、温度情報Ｓ２に対応する数値等を表示する。電池８８は、電気回路８０、液晶モニタ８９等に電力を供給する。 A part of the liquid crystal monitor 89 is exposed from the housing 92 (see FIG. 3) and displays a numerical value or the like corresponding to the temperature information S2. The battery 88 supplies electric power to the electric circuit 80, the liquid crystal monitor 89, and the like.
メイン基板９１は、電気回路８０、電池８８、液晶モニタ８９等を搭載する回路基板である。メイン基板９１は、例えば、リジット基板等の硬質基板、ガラス成分が含有されている基板、エポキシ基板等である。メイン基板９１は、電気回路８０等を安定的に保持するために所定の剛性を有する。メイン基板９１の厚みは、例えば、０．５ｍｍ以上３ｍｍ以下である。メイン基板９１は、後述するフィルム部３０と比較して熱伝達率が低い（熱伝達抵抗が高い）。 The main board 91 is a circuit board on which the electric circuit 80, the battery 88, the liquid crystal monitor 89, and the like are mounted. The main substrate 91 is, for example, a rigid substrate such as a rigid substrate, a substrate containing a glass component, an epoxy substrate, or the like. The main board 91 has a predetermined rigidity to stably hold the electric circuit 80 and the like. The thickness of the main substrate 91 is, for example, 0.5 mm or more and 3 mm or less. The main substrate 91 has a lower heat transfer coefficient (higher heat transfer resistance) than the film part 30 described later.
ここで、熱伝達率（surface coefficient of heat transfer）とは、熱の伝え易さを表す値である。例えば、熱伝達率は、ある表面における熱流量密度をその表面温度と周囲の流体温度との差で除した値（Ｗ／（ｍ２Ｋ））とすることができる。 Here, the heat transfer coefficient (surface coefficient of heat transfer) is a value representing the ease of transfer of heat. For example, the heat transfer coefficient can be a value (W / (m 2 K)) obtained by dividing the heat flow density on a surface by the difference between the surface temperature and the ambient fluid temperature.
熱伝達抵抗(thermal resistance of surface heat transfer)とは、熱の伝え難さを表す値である。例えば、熱伝達抵抗は、熱伝達率の逆数（ｍ２Ｋ／Ｗ）とすることができる。 The thermal resistance of surface heat transfer is a value representing the difficulty of heat transfer. For example, the heat transfer resistance can be the reciprocal of the heat transfer coefficient (m 2 K / W).
筐体９２は、メイン基板９１及びメイン基板９１に搭載された電気回路８０等の部品を収容するケースである。筐体９２は電気回路８０等の部品を保護するため、メイン基板９１よりも剛性が高い。筐体９２は、メイン基板９１よりも熱伝達率が低い（熱伝達抵抗が高い）。 The housing 92 is a case that houses components such as the main board 91 and the electric circuit 80 mounted on the main board 91. Since the housing 92 protects components such as the electric circuit 80, it has higher rigidity than the main board 91. The housing 92 has a lower heat transfer coefficient (higher heat transfer resistance) than the main board 91.
次に、図４〜図８を用いて、センサ１０、配線部２０及びフィルム部３０について詳細に説明する。図４は第１実施形態の温度計測装置を説明するための平面部分断面図、図５は第１実施形態の温度計測装置を説明するための正面部分断面図、図６は第１実施形態の温度計測装置を説明するための部分平面図、図７は第１実施形態の温度計測装置を説明するための部分底面図、図８は第１実施形態の温度計測装置を説明するための部分右側面図である。 Next, the sensor 10, the wiring section 20, and the film section 30 will be described in detail with reference to FIGS. 4 to 8. 4 is a plan partial cross-sectional view for explaining the temperature measuring device of the first embodiment, FIG. 5 is a front partial cross-sectional view for explaining the temperature measuring device of the first embodiment, and FIG. 7 is a partial plan view for explaining the temperature measuring device, FIG. 7 is a partial bottom view for explaining the temperature measuring device of the first embodiment, and FIG. 8 is a partial right side for explaining the temperature measuring device of the first embodiment. It is a side view.
図４において、センサ１０は温度に応じて抵抗値が変化する温度センサであり、温度に応じたセンサ信号Ｓ１を出力する。本実施形態において、センサ１０は抵抗部１１と、接続部１２１、１２２とを有する。抵抗部１１は、例えば、櫛歯状、鋸刃状、矩形状等に屈折した形状の導体パターンである。接続部１２１は抵抗部１１の一端側に接続され、接続部１２２は抵抗部１１の他端側に接続されている。 In FIG. 4, the sensor 10 is a temperature sensor whose resistance value changes according to temperature, and outputs a sensor signal S1 according to temperature. In the present embodiment, the sensor 10 has a resistance part 11 and connection parts 121 and 122. The resistance portion 11 is, for example, a conductor pattern having a bent shape such as a comb tooth shape, a saw blade shape, and a rectangular shape. The connection portion 121 is connected to one end side of the resistance portion 11, and the connection portion 122 is connected to the other end side of the resistance portion 11.
配線部２０は、第１電線２３ａと、第２電線２３ｂと、電極２２ａ、２２ｂとを有する。第１電線２３ａ及び第２電線２３ｂの一端側は、接続点２１ａ、２１ｂにおいて、接続部１２１、１２２の抵抗部１１に接続されていない側の端に電気的に接続されている。電極２２ａ、２２ｂは、第１電線２３ａ及び第２電線２３ｂの他端側に電気的に接続されている。 The wiring portion 20 has a first electric wire 23a, a second electric wire 23b, and electrodes 22a and 22b. One end sides of the first electric wire 23a and the second electric wire 23b are electrically connected to the ends of the connection portions 121 and 122, which are not connected to the resistance portion 11, at the connection points 21a and 21b. The electrodes 22a and 22b are electrically connected to the other ends of the first electric wire 23a and the second electric wire 23b.
本実施形態において、センサ１０、第１電線２３ａ及び第２電線２３ｂは、例えば、可撓性、柔軟性を有する導体パターンである。センサ１０、第１電線２３ａ及び第２電線２３ｂのそれぞれの厚みは、例えば、０．０４μｍ以上かつ４０μｍ以下である。更に好ましくは、センサ１０、第１電線２３ａ及び第２電線２３ｂのそれぞれの厚みは、例えば、０．４μｍ以上かつ４μｍ以下である。 In the present embodiment, the sensor 10, the first electric wire 23a, and the second electric wire 23b are, for example, flexible conductor patterns. The thickness of each of the sensor 10, the first electric wire 23a, and the second electric wire 23b is, for example, 0.04 μm or more and 40 μm or less. More preferably, the thickness of each of the sensor 10, the first electric wire 23a, and the second electric wire 23b is, for example, 0.4 μm or more and 4 μm or less.
センサ１０、第１電線２３ａ及び第２電線２３ｂは、例えば、蒸着、スパッタ、化学気相成長法（Chemical Vapor Deposition）等の半導体製造工程により製造することができる。センサ１０の少なくとも一部は電線２３ａ、２３ｂと同一平面上に備えられている。センサ１０、第１電線２３ａ及び第２電線２３ｂは、例えば、厚膜の導体パターンや、薄膜の導体パターン等の膜状（図４に示したＸＹ方向の長さに対して図５に示したＺ方向の長さが極めて短い形状）の導体で構成することが好ましい。 The sensor 10, the first electric wire 23a, and the second electric wire 23b can be manufactured by a semiconductor manufacturing process such as vapor deposition, sputtering, and chemical vapor deposition (Chemical Vapor Deposition). At least a part of the sensor 10 is provided on the same plane as the electric wires 23a and 23b. The sensor 10, the first electric wire 23a, and the second electric wire 23b are, for example, a film shape such as a thick film conductor pattern or a thin film conductor pattern (shown in FIG. 5 with respect to the length in the XY direction shown in FIG. It is preferable to use a conductor having a shape in which the length in the Z direction is extremely short).
図５において、フィルム部３０は、第１薄膜部材３１と、第２薄膜部材３２とを有する。本実施形態の第１薄膜部材３１及び第２薄膜部材３２は、可撓性、柔軟性、絶縁性を有する。第１薄膜部材３１及び第２薄膜部材３２は、リジット基板等の硬質基板、ガラス成分が含有されている基板、エポキシ基板等と比較して、熱伝達率が極めて高い（熱伝達抵抗が極めて低い）。 In FIG. 5, the film unit 30 has a first thin film member 31 and a second thin film member 32. The first thin film member 31 and the second thin film member 32 of this embodiment have flexibility, flexibility, and insulating properties. The first thin film member 31 and the second thin film member 32 have an extremely high heat transfer coefficient (heat transfer resistance is extremely low) as compared with a hard substrate such as a rigid substrate, a substrate containing a glass component, an epoxy substrate, or the like. ).
本実施形態において、第１薄膜部材３１及び第２薄膜部材３２は、例えば、ポリイミドを含有する材料で構成されている。第１薄膜部材３１及び第２薄膜部材３２は、例えば、プラスチックフィルム、ＰＥＴ等で構成してもよい。第１薄膜部材３１及び第２薄膜部材３２のそれぞれの厚みは、例えば、０．０３μｍ以上かつ３０μｍ以下である。更に好ましくは、第１薄膜部材３１及び第２薄膜部材３２のそれぞれの厚みは、例えば、０．３μｍ以上かつ３μｍ以下である。 In the present embodiment, the first thin film member 31 and the second thin film member 32 are made of, for example, a material containing polyimide. The first thin film member 31 and the second thin film member 32 may be made of, for example, a plastic film or PET. The thickness of each of the first thin film member 31 and the second thin film member 32 is, for example, 0.03 μm or more and 30 μm or less. More preferably, the thickness of each of the first thin film member 31 and the second thin film member 32 is, for example, 0.3 μm or more and 3 μm or less.
図５において、第１薄膜部材３１の上には、センサ１０、第１電線２３ａ及び第２電線２３ｂが備えられている。センサ１０、第１電線２３ａ及び第２電線２３ｂの上には、第２薄膜部材３２が積層され、センサ１０及び電線２３ａ、２３ｂがフィルム部材３０に被覆される。 In FIG. 5, the sensor 10, the first electric wire 23a, and the second electric wire 23b are provided on the first thin film member 31. The second thin film member 32 is laminated on the sensor 10, the first electric wire 23a, and the second electric wire 23b, and the film member 30 covers the sensor 10 and the electric wires 23a and 23b.
第１薄膜部材３１の表面からは、電極２２ａ、２２ｂが露出している。第１薄膜部材３１及び第２薄膜部材３２の表面には、電極２２ａ、２２ｂ以外の電極が露出しておらず、電子部品も搭載されていない。 The electrodes 22a and 22b are exposed from the surface of the first thin film member 31. No electrodes other than the electrodes 22a and 22b are exposed on the surfaces of the first thin film member 31 and the second thin film member 32, and no electronic component is mounted.
センサ１０及び電線２３ａ、２３ｂをフィルム部材３０により被覆した装置（以下、フィルム状装置と称する）は、回路基板９１よりも薄く、可撓性を有する。フィルム状装置の厚みｔ１（図５ご参照）は、例えば、０．１μｍ以上かつ１００μｍ以下である。更に好ましくは、フィルム状装置の厚みは、例えば、１μｍ以上かつ１０μｍ以下である。好ましくは、第１薄膜部材３１及び第２薄膜部材３２のそれぞれの厚みは、電線２３ａ、２３ｂの厚みよりも薄い。第１薄膜部材３１及び第２薄膜部材３２の厚みが厚すぎると温度応答性が悪くなり、厚みが薄すぎると強度を確保できないからである。 A device in which the sensor 10 and the electric wires 23 a and 23 b are covered with the film member 30 (hereinafter, referred to as a film-like device) is thinner than the circuit board 91 and has flexibility. The thickness t1 (see FIG. 5) of the film-shaped device is, for example, 0.1 μm or more and 100 μm or less. More preferably, the film-shaped device has a thickness of, for example, 1 μm or more and 10 μm or less. Preferably, the thickness of each of the first thin film member 31 and the second thin film member 32 is smaller than the thickness of the electric wires 23a and 23b. This is because if the thickness of the first thin film member 31 and the second thin film member 32 is too thick, the temperature responsiveness deteriorates, and if the thickness is too thin, the strength cannot be secured.
図４、図５において、フィルム部３０のセンサ１０が備えられている領域３７は、Ｘ方向の長さがＸ１、Ｙ方向の長さがＹ２である。フィルム部３０のセンサ１０が備えられていない（第１電線２３ａ及び第２電線２３ｂが備えられている）領域３６は、Ｘ方向の長さがＸ２、Ｙ方向の長さがＹ１である。長さＸ１は、長さＸ２よりも短く、長さＹ２は、長さＹ１よりも長い。長さＹ２は、回路基板９１のＹ方向の長さＹ３（図２ご参照）よりも短い。 4 and 5, the region 37 of the film unit 30 where the sensor 10 is provided has a length X1 in the X direction and a length Y2 in the Y direction. The region 36 of the film unit 30 where the sensor 10 is not provided (the first electric wire 23a and the second electric wire 23b are provided) has an X-direction length of X2 and a Y-direction length of Y1. The length X1 is shorter than the length X2, and the length Y2 is longer than the length Y1. The length Y2 is shorter than the length Y3 of the circuit board 91 in the Y direction (see FIG. 2).
図１、図２に示すように、フィルム部材３０のセンサ１０を被覆する部分は筐体９２から露出している。フィルム部材３０の電線２３ａ、２３ｂを被覆する部分の少なくとも一部は筐体９２の貫通孔９２１から筐体９２に挿入されている。 As shown in FIGS. 1 and 2, the portion of the film member 30 that covers the sensor 10 is exposed from the housing 92. At least a part of the portion of the film member 30 that covers the electric wires 23a and 23b is inserted into the housing 92 through the through hole 921 of the housing 92.
図９は第１実施形態の温度計測装置を説明するための回路ブロック図である。 FIG. 9 is a circuit block diagram for explaining the temperature measuring device of the first embodiment.
図９に示すように、電気回路８０は、入力回路８１と、制御回路８２と、出力回路８３とを有する。センサ１０は、センサ１０の温度（測定対象の温度）に対応して抵抗値が変化する。 As shown in FIG. 9, the electric circuit 80 includes an input circuit 81, a control circuit 82, and an output circuit 83. The resistance value of the sensor 10 changes according to the temperature of the sensor 10 (the temperature of the measurement target).
入力回路８１は、電極２２ａ、２２ｂに電気的に接続されている。入力回路８１は、制御回路８２から供給される制御信号に基づいて、配線部２０を介してセンサ１０に電流を供給するとともに、センサ信号Ｓ１を取得する。センサ信号Ｓ１は、例えば、センサ１０の電圧値に対応する電圧信号である。 The input circuit 81 is electrically connected to the electrodes 22a and 22b. The input circuit 81 supplies a current to the sensor 10 via the wiring section 20 and acquires the sensor signal S1 based on the control signal supplied from the control circuit 82. The sensor signal S1 is, for example, a voltage signal corresponding to the voltage value of the sensor 10.
制御回路８２は、センサ信号Ｓ１を用いて演算（センサ１０の抵抗値の演算等）を行い、温度情報Ｓ２を生成する。出力回路８３は、制御回路８２が出力した温度情報Ｓ２を用いて表示信号Ｓ３を生成する。液晶モニタ８９は、表示信号Ｓ３に対応する数値等を表示する。 The control circuit 82 performs calculation (calculation of the resistance value of the sensor 10 and the like) using the sensor signal S1 to generate temperature information S2. The output circuit 83 uses the temperature information S2 output by the control circuit 82 to generate the display signal S3. The liquid crystal monitor 89 displays a numerical value or the like corresponding to the display signal S3.
上述した本実施形態の温度計測装置は、センサ１０、第１薄膜部材３１及び第２薄膜部材３２の厚み方向（図５のＺ方向）の厚みが極めて薄く、センサ１０の近傍において、センサ１０が第１薄膜部材３１及び第２薄膜部材３２に挟まれた極めて簡単な薄型のフィルム状の構成を有する。 In the temperature measuring device of the present embodiment described above, the thickness of the sensor 10, the first thin film member 31, and the second thin film member 32 in the thickness direction (Z direction in FIG. 5) is extremely thin, and the sensor 10 is provided near the sensor 10. It has a very simple thin film-like structure sandwiched between the first thin film member 31 and the second thin film member 32.
このため、本実施形態の温度計測装置は、センサ１０の近傍において、厚み方向（図５のＺ方向）の熱伝達率が極めて高く（熱伝達抵抗が極めて小さく）なり、温度応答性が極めて高くなる。例えば、温度センサが金属キャップで覆われている温度計測装置、温度センサがサーミスタである温度計測装置等と比較して温度応答性が極めて高くなる。 Therefore, in the temperature measuring device of the present embodiment, the heat transfer coefficient in the thickness direction (Z direction in FIG. 5) is extremely high (heat transfer resistance is extremely small) in the vicinity of the sensor 10, and the temperature response is extremely high. Become. For example, the temperature response is extremely high as compared with a temperature measuring device in which the temperature sensor is covered with a metal cap, a temperature measuring device in which the temperature sensor is a thermistor, and the like.
ここで、温度応答性とは、例えば、センサ１０に接触している測定対象の温度が変化してから液晶モニタ８９に当該温度変化が表示されるまでの時間とすることができる。上述した本実施形態の温度計測装置は、センサ１０の近傍における熱伝達率が極めて高いため、測定対象の温度が変化してから液晶モニタ８９に当該温度変化が表示されるまでの時間が、例えば、０秒以上、０．１秒以下である。更に好ましくは、０．０１秒以上、０．１秒以下である。 Here, the temperature responsiveness can be, for example, the time from when the temperature of the measurement target that is in contact with the sensor 10 changes to when the temperature change is displayed on the liquid crystal monitor 89. In the temperature measuring device of the present embodiment described above, since the heat transfer coefficient in the vicinity of the sensor 10 is extremely high, the time from when the temperature of the measurement target changes until the temperature change is displayed on the liquid crystal monitor 89 is, for example, , 0 seconds or more and 0.1 seconds or less. More preferably, it is 0.01 seconds or more and 0.1 seconds or less.
本実施形態の温度計測装置において、第１薄膜部材３１又は第２薄膜部材３２に接触する測定対象（図示せず）とセンサ１０との間には、第１薄膜部材３１又は第２薄膜部材３２しか介在していない。このため、厚み方向の熱伝達率が極めて高くなり、温度応答性が極めて高くなる。 In the temperature measuring device of the present embodiment, the first thin film member 31 or the second thin film member 32 is provided between the sensor 10 and the measurement target (not shown) that contacts the first thin film member 31 or the second thin film member 32. Only intervening. Therefore, the heat transfer coefficient in the thickness direction becomes extremely high, and the temperature response becomes extremely high.
また、本実施形態の温度計測装置は、センサ１０の一方側（マイナスＺ方向）に第１薄膜部材３１が備えられ、センサ１０の他方側（プラスＺ方向）に第２薄膜部材３２が備えられている。このため、測定対象の熱がセンサ１０の一方側及び他方側から伝達されるから温度応答性が極めて高くなる。 Further, in the temperature measuring device of the present embodiment, the first thin film member 31 is provided on one side (minus Z direction) of the sensor 10, and the second thin film member 32 is provided on the other side (plus Z direction) of the sensor 10. ing. Therefore, the heat of the measurement target is transferred from one side and the other side of the sensor 10, so that the temperature responsiveness becomes extremely high.
本実施形態の温度計測装置において、フィルム状装置（センサ１０及び電線２３ａ、２３ｂをフィルム部材３０により被覆した装置）は、センサ１０及び電線２３ａ、２３ｂが第１薄膜部材３１及び第２薄膜部材３２に挟まれた極めて簡単な薄型のフィルム状の構成を有し、厚み方向（図５のＺ方向）の厚みが極めて薄く、熱容量が極めて小さい。このため、本実施形態の温度計測装置は、温度応答性が極めて高くなる。なお、熱容量とは、例えば、所定の質量、所定の比熱を有する物質を単位温度だけ変化させるのに要する熱量である。 In the temperature measuring device of the present embodiment, in the film-like device (device in which the sensor 10 and the electric wires 23a and 23b are covered with the film member 30), the sensor 10 and the electric wires 23a and 23b are the first thin film member 31 and the second thin film member 32. It has a very simple thin film-like structure sandwiched between the two, and has an extremely small thickness in the thickness direction (Z direction in FIG. 5) and an extremely small heat capacity. Therefore, the temperature measurement device of this embodiment has extremely high temperature responsiveness. The heat capacity is, for example, the amount of heat required to change a substance having a predetermined mass and a predetermined specific heat by a unit temperature.
本実施形態の温度計測装置において、第１薄膜部材３１及び第２薄膜部材３２は、センサ１０を被覆している部分のＹ方向の長さＹ２が、配線部２０を被覆している部分のＹ方向の長さＹ１よりも長い。このため、センサ１０を被覆している部分のＹ方向の長さを長くした分だけセンサ１０の表面積を大きくすることができるので、温度応答性が高くなる。 In the temperature measuring device of the present embodiment, the first thin film member 31 and the second thin film member 32 have a Y-direction length Y2 of the portion covering the sensor 10 and the Y portion of the portion covering the wiring portion 20. It is longer than the length Y1 in the direction. For this reason, the surface area of the sensor 10 can be increased by the amount of increasing the length of the portion covering the sensor 10 in the Y direction, so that the temperature response is improved.
本実施形態の温度計測装置において、第１薄膜部材３１及び第２薄膜部材３２は、配線部２０を被覆している部分のＹ方向の長さＹ１が、センサ１０を被覆している部分のＹ方向の長さＹ２よりも短い。このため、配線部２０を被覆している部分のＹ方向の長さを短くした分だけ熱容量が小さくなり温度応答性が高くなる。 In the temperature measuring device of the present embodiment, in the first thin film member 31 and the second thin film member 32, the length Y1 in the Y direction of the portion covering the wiring portion 20 is the Y portion of the portion covering the sensor 10. It is shorter than the length Y2 in the direction. For this reason, the heat capacity is reduced and the temperature response is improved by the amount of shortening the length of the portion covering the wiring portion 20 in the Y direction.
本実施形態の温度計測装置の第１薄膜部材３１及び第２薄膜部材３２は、配線部２０を被覆している部分のＸ方向の長さＸ２が、センサ１０を被覆している部分のＸ方向の長さＸ１と比較して長く、配線部２０を被覆している部分のＹ方向の長さＹ１が、センサ１０を被覆している部分のＹ方向の長さＹ２と比較して短い。このため、センサ１０とメイン基板９１との間で熱交換がされ難くなり、センサ１０がメイン基板９１の温度の影響（外乱）を受け難くなるので、高精度で温度を計測することができる。 In the first thin film member 31 and the second thin film member 32 of the temperature measuring device of the present embodiment, the length X2 in the X direction of the portion that covers the wiring portion 20 is the X direction of the portion that covers the sensor 10. Is longer than the length X1 and the length Y1 in the Y direction of the portion covering the wiring portion 20 is shorter than the length Y2 in the Y direction of the portion covering the sensor 10. For this reason, heat exchange between the sensor 10 and the main board 91 becomes difficult, and the sensor 10 becomes less susceptible to the influence (disturbance) of the temperature of the main board 91, so that the temperature can be measured with high accuracy.
本実施形態の温度計測装置において、第１薄膜部材３１及び第２薄膜部材３２の表面には、電子部品等が搭載されていない。このため、表面に電子部品等が搭載されていない分だけ熱容量を小さくすることができ、温度応答性が高くなる。 In the temperature measuring device of the present embodiment, no electronic component or the like is mounted on the surfaces of the first thin film member 31 and the second thin film member 32. Therefore, the heat capacity can be reduced as much as the electronic components are not mounted on the surface, and the temperature response is improved.
（第２実施形態） (Second embodiment)
図１０は第２実施形態の温度計測装置を説明するための平面部分断面図、図１１は第２実施形態の温度計測装置を説明するための正面部分断面図である。以下の説明において、図１〜図９に示した構成と同様の構成には同一の参照符号を付し、重複した説明を省略する。 FIG. 10 is a plan partial sectional view for explaining the temperature measuring device of the second embodiment, and FIG. 11 is a front partial sectional view for explaining the temperature measuring device of the second embodiment. In the following description, the same components as those shown in FIGS. 1 to 9 are designated by the same reference numerals, and the duplicated description will be omitted.
図１０、図１１に示した本実施形態の温度計測装置は、防湿フィルム３６を有する点が上述した第１実施形態の温度計測装置と相違する。 The temperature measuring device of the present embodiment shown in FIGS. 10 and 11 is different from the temperature measuring device of the first embodiment described above in that it has the moisture-proof film 36.
防湿フィルム３６は、第１薄膜部材３１及び第２薄膜部材３２を被覆するように備えられている。防湿フィルム３６の表面からは、電極２２ａ、２２ｂが露出している。 The moisture-proof film 36 is provided so as to cover the first thin film member 31 and the second thin film member 32. The electrodes 22a and 22b are exposed from the surface of the moisture-proof film 36.
防湿フィルム３６は、例えば、アルミ薄膜、銅箔等の金属薄膜、ポリオレフィン系樹脂等を主原料とする合成樹脂皮膜等で構成することができる。金属薄膜の防湿フィルム３６は、例えば、例えば、蒸着、スパッタ、化学気相成長法等の半導体製造工程により製造することができる。 The moisture-proof film 36 can be composed of, for example, an aluminum thin film, a metal thin film such as a copper foil, or a synthetic resin film whose main raw material is a polyolefin resin. The moisture-proof film 36 that is a metal thin film can be manufactured, for example, by a semiconductor manufacturing process such as vapor deposition, sputtering, and chemical vapor deposition.
防湿フィルム３６は、１層であっても良いし、多層であってもよい。また、防湿フィルム３６の内側、又は、外側に絶縁フィルム（図示せず）等を設けてもよい。例えば、第１薄膜部材３１及び第２薄膜部材３２よりも絶縁性が高い絶縁フィルムでフィルム状装置（センサ１０及び電線２３ａ、２３ｂをフィルム部材３０により被覆した装置）を被覆し、絶縁フィルムを防湿フィルム３６で被覆してもよい。 The moisture-proof film 36 may be a single layer or a multilayer. Further, an insulating film (not shown) or the like may be provided inside or outside the moisture-proof film 36. For example, a film-like device (a device in which the sensor 10 and the electric wires 23a and 23b are covered with the film member 30) is covered with an insulating film having a higher insulation property than the first thin film member 31 and the second thin film member 32, and the insulating film is moisture-proofed. It may be covered with the film 36.
防湿フィルム３６の厚みは、第１薄膜部材３１及び第２薄膜部材３２よりも厚いことが好ましい。また、防湿フィルム３６は、第１薄膜部材３１及び第２薄膜部材３２よりも熱伝達率が高いことが好ましい。例えば、第１薄膜部材３１及び第２薄膜部材３２よりも熱伝達率が高い防湿フィルム３６を用いることで、温度応答性の低下を抑えることができる。 The moisture-proof film 36 is preferably thicker than the first thin film member 31 and the second thin film member 32. Further, the moisture-proof film 36 preferably has a higher heat transfer coefficient than the first thin film member 31 and the second thin film member 32. For example, by using the moisture-proof film 36 having a higher heat transfer coefficient than the first thin film member 31 and the second thin film member 32, it is possible to suppress the decrease in temperature responsiveness.
本実施形態の温度計測装置は、第１薄膜部材３１及び第２薄膜部材３２が防湿フィルム３６により被覆されているので、例えば、第１薄膜部材３１及び第２薄膜部材３２が防湿性を有さない場合でも、人体から放出される汗、湿度等がセンサ１０、電線２３ａ、２３ｂ等に与える影響を低減でき、計測精度の低下を抑えることができる。 Since the first thin film member 31 and the second thin film member 32 are covered with the moisture-proof film 36 in the temperature measuring device of the present embodiment, for example, the first thin film member 31 and the second thin film member 32 have moisture-proof properties. Even when the human body does not exist, it is possible to reduce the influence of sweat, humidity, and the like discharged from the human body on the sensor 10, the electric wires 23a, 23b, and the like, and suppress the deterioration of measurement accuracy.
（第３実施形態） (Third Embodiment)
図１２は第３実施形態の温度計測装置を説明するための平面部分断面図、図１３は第３実施形態の温度計測装置を説明するための正面部分断面図、図１４は第３実施形態の温度計測装置を説明するための回路ブロック図である。以下の説明において、図１〜図１１に示した構成と同様の構成には同一の参照符号を付し、重複した説明を省略する。 12 is a plan partial cross-sectional view for explaining the temperature measuring device of the third embodiment, FIG. 13 is a front partial cross-sectional view for explaining the temperature measuring device of the third embodiment, and FIG. 14 is for the third embodiment. It is a circuit block diagram for explaining a temperature measuring device. In the following description, the same components as those shown in FIGS. 1 to 11 are designated by the same reference numerals, and the duplicated description will be omitted.
図１４において、配線部２０は、第１電線２３ｃと、第２電線２３ｄと、第３電線２３ｅと、第４電線２３ｆと、電極２２ｃ、２２ｄ、２２ｅ、２２ｆとを有する。入力回路８１（図９ご参照）は、電力供給回路８１１と、電位差検出回路８１２とを有する。 In FIG. 14, the wiring unit 20 includes a first electric wire 23c, a second electric wire 23d, a third electric wire 23e, a fourth electric wire 23f, and electrodes 22c, 22d, 22e, 22f. The input circuit 81 (see FIG. 9) has a power supply circuit 811 and a potential difference detection circuit 812.
電力供給回路８１１は、センサ１０に電力を供給するための回路であり、一方の端子が電極２２ｃを介して第１電線２３ｃに接続され、他方の端子が電極２２ｄを介して第２電線２３ｄに接続されている。第１電線２３ｃ及び第２電線２３ｄは、センサ１０に電気的に接続されている。第１電線２３ｃには電力供給回路８１１から出力された第１電流が流れる。第２電線２３ｄには、センサ１０から出力された第２電流が流れる。 The power supply circuit 811 is a circuit for supplying power to the sensor 10, one terminal is connected to the first electric wire 23c via the electrode 22c, and the other terminal is connected to the second electric wire 23d via the electrode 22d. It is connected. The first electric wire 23c and the second electric wire 23d are electrically connected to the sensor 10. The first current output from the power supply circuit 811 flows through the first electric wire 23c. The second current output from the sensor 10 flows through the second electric wire 23d.
電位差検出回路８１２は、センサ１０の電圧（接続点２１ａと接続点２１ｂとの間の電位差）を検出するための回路であり、一方の端子が電極２２ｅを介して第３電線２３ｅに接続され、他方の端子が電極２２ｆを介して第４電線２３ｆに接続されている。 The potential difference detection circuit 812 is a circuit for detecting the voltage of the sensor 10 (the potential difference between the connection point 21a and the connection point 21b), and one terminal is connected to the third electric wire 23e via the electrode 22e, The other terminal is connected to the fourth electric wire 23f via the electrode 22f.
第３電線２３ｅは、接続点２１ａにおいて第１電線２３ｃに接続され、第１電流よりも小さい電流が流れる。第４電線２３ｆは、接続点２１ｂにおいて第２電線２３ｄに接続され、第２電流よりも小さい電流が流れる。 The third electric wire 23e is connected to the first electric wire 23c at the connection point 21a, and a current smaller than the first current flows. The fourth electric wire 23f is connected to the second electric wire 23d at the connection point 21b, and a current smaller than the second current flows.
第３電線２３ｅ及び第４電線２３ｆに流れる電流は、第１電線２３ｃ及び第２電線２３ｄに流れる電流と比較して極めて小さい。第３電線２３ｅ及び第４電線２３ｆに流れる電流は、例えば、数ピコアンペアにすることができる。 The current flowing through the third electric wire 23e and the fourth electric wire 23f is extremely small as compared with the current flowing through the first electric wire 23c and the second electric wire 23d. The current flowing through the third electric wire 23e and the fourth electric wire 23f can be set to several picoampere, for example.
図１３において、本実施形態のフィルム部３０は、第１実施形態に記載された第１薄膜部材３１及び第２薄膜部材３２に加えて、第３薄膜部材３３を有する点が第１実施形態のフィルム部３０と相違する。第３薄膜部材３３は、例えば、ポリイミドを含有する材料で構成してもよいし、第１薄膜部材３１及び第２薄膜部材３２よりも絶縁性が高い材料で構成してもよい。なお、本実施形態及び以下の実施形態において、第１薄膜部材３１、第２薄膜部材３２及び第３薄膜部材３３が、図１０に示した防湿フィルム３６により被覆されていてもよいことは言うまでもない。 In FIG. 13, the film part 30 of the present embodiment has a third thin film member 33 in addition to the first thin film member 31 and the second thin film member 32 described in the first embodiment. It is different from the film unit 30. The third thin film member 33 may be made of, for example, a material containing polyimide, or may be made of a material having higher insulation than the first thin film member 31 and the second thin film member 32. In the present embodiment and the following embodiments, it goes without saying that the first thin film member 31, the second thin film member 32, and the third thin film member 33 may be covered with the moisture-proof film 36 shown in FIG. .
本実施形態の温度計測装置は、センサ１０、第１薄膜部材３１、第２薄膜部材３２及び第３薄膜部材３３の厚み方向の厚みが極めて薄い薄型のフィルム状の構成を有するため、極めて高い温度応答性が得られる。 Since the temperature measuring device of the present embodiment has a thin film-like structure in which the sensor 10, the first thin film member 31, the second thin film member 32, and the third thin film member 33 have an extremely thin thickness in the thickness direction, an extremely high temperature is obtained. Responsiveness is obtained.
本実施形態の温度計測装置は、センサ１０に電流を供給するための第１電線２３ｃ及び第２電線２３ｄと、センサ１０の電圧を検出するための第３電線２３ｅ及び第４電線２３ｆとを有する。このため、第３電線２３ｅ及び第４電線２３ｆに流れる電流が極めて小さくなり、第３電線２３ｅ及び第４電線２３ｆのパターン抵抗に起因する電圧降下が極めて小さくなるので、安定性の高い温度計測が可能になる。 The temperature measuring device of this embodiment has a first electric wire 23c and a second electric wire 23d for supplying a current to the sensor 10, and a third electric wire 23e and a fourth electric wire 23f for detecting the voltage of the sensor 10. . For this reason, the current flowing through the third electric wire 23e and the fourth electric wire 23f becomes extremely small, and the voltage drop due to the pattern resistance of the third electric wire 23e and the fourth electric wire 23f becomes extremely small, so that highly stable temperature measurement can be performed. It will be possible.
例えば、温度センサが金属キャップで覆われている温度計測装置、温度センサがサーミスタである温度計測装置等は、温度応答性が低く出力信号が安定する特性を有するので、温度センサと電気回路とを接続する電線のパターン抵抗に起因する電圧降下が温度計測の安定性に与える影響は小さい。パターン抵抗に起因する電圧降下の変動が時間積分されるためである。 For example, a temperature measuring device in which the temperature sensor is covered with a metal cap, a temperature measuring device in which the temperature sensor is a thermistor, and the like have characteristics that the temperature response is low and the output signal is stable. The voltage drop caused by the pattern resistance of the connecting wire has little influence on the stability of temperature measurement. This is because the fluctuation of the voltage drop due to the pattern resistance is integrated over time.
これに対して、本実施形態の温度計測装置は、センサ１０、第１薄膜部材３１、第２薄膜部材３２及び第３薄膜部材３３の厚み方向の厚みが極めて薄いため、極めて高い温度応答性を有し、出力信号が俊敏に変化するため、電線のパターン抵抗に起因する電圧降下が温度計測の安定性に与える影響が大きくなる。しかしながら、本実施形態の温度計測装置は、第３電線２３ｅ及び第４電線２３ｆに流れる電流が極めて小さいため、第３電線２３ｅ及び第４電線２３ｆのパターン抵抗に起因する電圧降下が極めて小さくなり、安定性の高い温度計測が可能になる。 On the other hand, in the temperature measuring device of the present embodiment, the sensor 10, the first thin film member 31, the second thin film member 32, and the third thin film member 33 are extremely thin in the thickness direction, and therefore have extremely high temperature responsiveness. Since the output signal changes rapidly, the voltage drop caused by the pattern resistance of the electric wire has a great influence on the stability of the temperature measurement. However, in the temperature measuring device of the present embodiment, since the current flowing through the third electric wire 23e and the fourth electric wire 23f is extremely small, the voltage drop due to the pattern resistance of the third electric wire 23e and the fourth electric wire 23f becomes extremely small, It enables highly stable temperature measurement.
（第４実施形態） (Fourth Embodiment)
図１５は第４実施形態の温度計測装置を説明するための正面断面図、図１６は第４実施形態の温度計測装置を説明するための正面部分断面図である。以下の説明において、図１〜図１４に示した構成と同様の構成には同一の参照符号を付し、重複した説明を省略する。 FIG. 15 is a front sectional view for explaining the temperature measuring device of the fourth embodiment, and FIG. 16 is a front partial sectional view for explaining the temperature measuring device of the fourth embodiment. In the following description, the same components as those shown in FIGS. 1 to 14 are designated by the same reference numerals, and the duplicated description will be omitted.
本実施形態の温度計測装置は、筐体９２がテーパー部９２２を有する点、電気回路８０がコネクタ９６を有する点、及び、接着剤９７を有する点が上述した第１実施形態の温度計測装置と相違する。 The temperature measuring device according to the present embodiment is the same as the temperature measuring device according to the first embodiment described above in that the housing 92 has the tapered portion 922, the electric circuit 80 has the connector 96, and the adhesive 97 is provided. Be different.
図１５において、筐体９２は貫通孔９２１が設けられた側にテーパー部９２２が設けられている。テーパー部９２２は、Ｘ軸方向において貫通孔９２１に近づくほど幅が狭くなるように窄んだ形状を有する。 In FIG. 15, the housing 92 is provided with a tapered portion 922 on the side where the through hole 921 is provided. The tapered portion 922 has a narrowed shape such that its width becomes narrower as it approaches the through hole 921 in the X-axis direction.
接着剤９７は貫通孔９２１の近傍に備えられ、フィルム部３０とテーパー部９２２とを固着している。接着剤９７は防湿性を有し、メイン基板９１及び筐体９２よりも熱伝達率が低い。 The adhesive 97 is provided near the through hole 921 and fixes the film portion 30 and the taper portion 922. The adhesive 97 has moisture resistance and has a lower heat transfer coefficient than the main board 91 and the housing 92.
図１５、図１６において、コネクタ９６は、支持体９６０と、電極９６１と、凹溝９６２とを有する。コネクタ９６は、メイン基板９１に搭載されている。電極９６１は電気回路８０に電気的に接続されている。 15 and 16, the connector 96 has a support 960, an electrode 961, and a groove 962. The connector 96 is mounted on the main board 91. The electrode 961 is electrically connected to the electric circuit 80.
凹溝９６２はＺ方向の幅がフィルム状装置（センサ１０及び電線２３ａ、２３ｂをフィルム部材３０により被覆した装置）の厚みｔ１よりも僅かに狭い。支持体９６０は、フィルム部３０よりも剛性が高い絶縁体であり、メイン基板９１よりも熱伝達率が低く、接着剤９７よりも熱伝達率が高い。 The width of the groove 962 in the Z direction is slightly narrower than the thickness t1 of the film-shaped device (the device in which the sensor 10 and the electric wires 23a and 23b are covered with the film member 30). The support 960 is an insulator having higher rigidity than the film portion 30, has a lower heat transfer coefficient than the main substrate 91, and has a higher heat transfer coefficient than the adhesive 97.
図１６に示すように、フィルム状装置を凹溝９６２に挿入すると、電極２２ａ、２２ｂが電極９６１に加圧接触し、電極２２ａ、２２ｂと電極９６１とが電気的に接続される。フィルム状装置は、フィルム部３０とメイン基板９１とが接触しないように一端側がコネクタ９６の支持体９６０に支持され、他端側が接着剤９７に固着されている。なお、本実施形態及び以下の実施形態において、配線部２０及び入力回路８１を図１４に示した構成と同様に構成できることは言うまでもない。 As shown in FIG. 16, when the film-shaped device is inserted into the groove 962, the electrodes 22a and 22b come into pressure contact with the electrode 961 and the electrodes 22a and 22b and the electrode 961 are electrically connected. In the film-shaped device, one end side is supported by the support 960 of the connector 96 and the other end side is fixed to the adhesive 97 so that the film portion 30 and the main substrate 91 do not come into contact with each other. It is needless to say that the wiring section 20 and the input circuit 81 can be configured in the same manner as the configuration shown in FIG. 14 in the present embodiment and the following embodiments.
本実施形態の温度計測装置は、コネクタ９６の支持体９６０がメイン基板９１よりも熱伝達率が低く、フィルム部３０がメイン基板９１と接触しないようにコネクタ９６に支持されている。このため、フィルム部３０とメイン基板９１とを接触させた場合と比較して、フィルム状装置とメイン基板９１との間で熱交換がされ難くなり、センサ１０がメイン基板９１の温度の影響（外乱）を受け難くなるので、高精度で温度を計測することができる。 In the temperature measuring device of this embodiment, the support 960 of the connector 96 has a lower heat transfer coefficient than the main board 91, and is supported by the connector 96 so that the film portion 30 does not come into contact with the main board 91. Therefore, as compared with the case where the film unit 30 and the main substrate 91 are brought into contact with each other, heat exchange between the film-shaped device and the main substrate 91 is less likely to occur, and the sensor 10 is affected by the temperature of the main substrate 91 ( Since it becomes difficult to receive (disturbance), the temperature can be measured with high accuracy.
本実施形態の温度計測装置は、筐体９２の貫通孔９２１に接着剤９７が備えられているので、高い防湿性が得られる。
本実施形態の温度計測装置において、接着剤９７は支持体９６０よりも熱伝達率が低い。このため、接着剤９７によりフィルム状装置と筐体９２とを固定しても、センサ１０が筐体９２の温度の影響（外乱）を受け難くなる
Since the temperature measuring device of this embodiment is provided with the adhesive 97 in the through hole 921 of the housing 92, high moisture resistance can be obtained.
In the temperature measuring device of this embodiment, the adhesive 97 has a lower heat transfer coefficient than the support 960. Therefore, even if the film-shaped device and the housing 92 are fixed by the adhesive 97, the sensor 10 is less likely to be affected by the temperature of the housing 92 (disturbance).
（第５実施形態） (Fifth Embodiment)
図１７は第５実施形態の温度計測装置を説明するための平面部分断面図、図１８は第５実施形態の温度計測装置を説明するための正面部分断面図である。以下の説明において、図１〜図１６に示した構成と同様の構成には同一の参照符号を付し、重複した説明を省略する。 FIG. 17 is a plan partial cross-sectional view for explaining the temperature measuring device of the fifth embodiment, and FIG. 18 is a front partial cross-sectional view for explaining the temperature measuring device of the fifth embodiment. In the following description, the same components as those shown in FIGS. 1 to 16 are designated by the same reference numerals, and the duplicated description will be omitted.
図１７において、フィルム部３０は、センサ１０が備えられている領域３７よりも電極２２ａ、２２ｂ側に領域３８及び領域３９が設けられている点が上述した第１実施形態の温度計測装置と相違する。領域３９は、電線２３ａ、２３ｂの一部、及び、電極２２ａ、２２ｂが備えられた領域である。領域３８は、電線２３ａ、２３ｂの一部が備えられた領域であり、領域３７及び領域３９に隣接している。 In FIG. 17, the film unit 30 is different from the temperature measuring device of the first embodiment described above in that the regions 38 and 39 are provided on the electrodes 22a and 22b side with respect to the region 37 in which the sensor 10 is provided. To do. The area 39 is an area provided with a part of the electric wires 23a and 23b and the electrodes 22a and 22b. The area 38 is an area provided with a part of the electric wires 23a and 23b, and is adjacent to the areas 37 and 39.
図１６、図１７に示すように、領域３８は、貫通穴３８１を有し、貫通穴３８１を設けた分だけＹ方向の幅が領域３９よりも広い。電線２３ａ、２３ｂは、貫通穴３８１を避けるために屈折している。ネジ９８は、接着剤９７よりも熱伝達率が高い。ネジ９８は、貫通穴３８１を貫通し筐体９２に固定されている。 As shown in FIGS. 16 and 17, the region 38 has a through hole 381, and the width in the Y direction is wider than the region 39 by the amount of the through hole 381 provided. The electric wires 23a and 23b are bent to avoid the through hole 381. The screw 98 has a higher heat transfer coefficient than the adhesive 97. The screw 98 penetrates the through hole 381 and is fixed to the housing 92.
本実施形態の温度計測装置は、センサ１０が備えられている領域３７よりも電極２２ａ、２２ｂ側の領域３８において、フィルム状装置（センサ１０及び電線２３ａ、２３ｂをフィルム部材３０により被覆した装置）がネジ９８を用いて筐体９２に固定されている。このため、ネジ９８を用いて領域３７を筐体９２に固定する場合と比較してセンサ１０と筐体９２との間で熱交換がされ難くなり、高精度で温度を計測することができる。 The temperature measuring device according to the present embodiment is a film-like device (a device in which the sensor 10 and the electric wires 23a and 23b are covered with a film member 30) in a region 38 closer to the electrodes 22a and 22b than a region 37 in which the sensor 10 is provided. Are fixed to the housing 92 with screws 98. Therefore, heat exchange between the sensor 10 and the housing 92 is less likely to occur as compared with the case where the region 37 is fixed to the housing 92 using the screw 98, and the temperature can be measured with high accuracy.
（第６実施形態） (Sixth Embodiment)
図１９は第６実施形態の温度計測装置を説明するための正面断面図である。以下の説明において、図１〜図１８に示した構成と同様の構成には同一の参照符号を付し、重複した説明を省略する。 FIG. 19 is a front sectional view for explaining the temperature measuring device of the sixth embodiment. In the following description, the same components as those shown in FIGS. 1 to 18 are designated by the same reference numerals, and the duplicated description will be omitted.
本実施形態の温度計測装置は、図１５に示したコネクタ９６に代えて支持部９９、及び、はんだ９９２を有する点が、図１５に示した実施形態の温度計測装置と相違する。 The temperature measuring device of this embodiment is different from the temperature measuring device of the embodiment shown in FIG. 15 in that it has a support portion 99 and a solder 992 instead of the connector 96 shown in FIG.
図１９において、支持部９９は電極９９１を有し、メイン基板９１に搭載されている。電極９９１は電気回路８０と電気的に接続されており、はんだ９９２によりフィルム状装置（センサ１０及び電線２３ａ、２３ｂをフィルム部材３０により被覆した装置）の電極２２ａ、２２ｂ（図２ご参照）に電気的に接続されている。 In FIG. 19, the supporting portion 99 has an electrode 991 and is mounted on the main substrate 91. The electrode 991 is electrically connected to the electric circuit 80, and is connected to the electrodes 22a and 22b (see FIG. 2) of the film-like device (the device in which the sensor 10 and the electric wires 23a and 23b are covered with the film member 30) by the solder 992. It is electrically connected.
フィルム状装置は、接着剤９７及び電極９９１以外の部材とは接触しないように、一端側が支持部９９に支持され、他端側が接着剤９７に固着されている。 The film-shaped device has one end side supported by the support portion 99 and the other end side fixed to the adhesive 97 so as not to contact members other than the adhesive 97 and the electrode 991.
本実施形態の温度計測装置は、フィルム状装置が接着剤９７及び電極９９１以外の部材とは接触しないように備えられている。このため、図１５に示した実施形態の温度計測装置と比較して、フィルム状装置がコネクタ９６の支持体９６０と接触していない分だけセンサ１０とメイン基板９１との間の熱交換がされ難くなり、高精度で温度を計測することができる。 The temperature measuring device according to the present embodiment is provided so that the film-shaped device does not contact members other than the adhesive 97 and the electrode 991. Therefore, as compared with the temperature measuring device of the embodiment shown in FIG. 15, heat exchange between the sensor 10 and the main substrate 91 is performed by the amount that the film-shaped device is not in contact with the support body 960 of the connector 96. It becomes difficult and the temperature can be measured with high accuracy.
（第７実施形態） (Seventh embodiment)
図２０は第７実施形態の温度計測装置を説明するための平面部分断面図、図２１は第７実施形態の温度計測装置を説明するための底面部分断面図である。以下の説明において、図１〜図１９に示した構成と同様の構成には同一の参照符号を付し、重複した説明を省略する。図２０、図２１に示した本実施形態の温度計測装置は、センサ１０の構成が図４に示した第１実施形態の温度計測装置と相違する。 20 is a plan partial cross-sectional view for explaining the temperature measuring device of the seventh embodiment, and FIG. 21 is a bottom partial cross-sectional view for explaining the temperature measuring device of the seventh embodiment. In the following description, the same components as those shown in FIGS. 1 to 19 are designated by the same reference numerals, and the duplicated description will be omitted. The temperature measuring device of the present embodiment shown in FIGS. 20 and 21 differs from the temperature measuring device of the first embodiment shown in FIG. 4 in the configuration of the sensor 10.
図２０、図２１において、センサ１０は抵抗部１１ａ、１１ｂと、接続部１２１ａ、１１１、１１３、１１４、１２２ａと、絶縁層（図示せず）と、絶縁層を貫通するスルーホール電極１１２、１１５とを有する。絶縁層は、ＸＹ平面と平行に領域３７の全面にわたって設けられている。 20 and 21, the sensor 10 includes resistor portions 11a and 11b, connecting portions 121a, 111, 113, 114 and 122a, an insulating layer (not shown), and through-hole electrodes 112 and 115 penetrating the insulating layers. Have and. The insulating layer is provided over the entire surface of the region 37 in parallel with the XY plane.
図２０に示すように、絶縁層の一方側の面において、抵抗部１１ａの一端側が接続部１２１ａを介して接続点２１ａに接続され、抵抗部１１ａの他端側が接続部１１１を介してスルーホール電極１１２に接続され、スルーホール電極１１５が接続部１２２ａを介して接続点２１ｂに接続されている。スルーホール電極１１２、１１５は、絶縁層を貫通して、絶縁層の一方側の面から絶縁層の他方側の面に備えられている。 As shown in FIG. 20, on one surface of the insulating layer, one end side of the resistance portion 11a is connected to the connection point 21a via the connection portion 121a, and the other end side of the resistance portion 11a is connected to the through hole via the connection portion 111. The through hole electrode 115 is connected to the electrode 112, and is connected to the connection point 21b via the connection portion 122a. The through-hole electrodes 112 and 115 penetrate the insulating layer and are provided from one surface of the insulating layer to the other surface of the insulating layer.
図２１に示すように、絶縁層の他方側の面において、抵抗部１１ｂの一端側が接続部１１３を介してスルーホール電極１１２に接続され、抵抗部１１ｂの他端側が接続部１１４を介してスルーホール電極１１５に接続されている。 As shown in FIG. 21, on the other surface of the insulating layer, one end side of the resistance portion 11b is connected to the through-hole electrode 112 through the connection portion 113, and the other end side of the resistance portion 11b is connected through the connection portion 114. It is connected to the hole electrode 115.
本実施形態の温度計測装置は、絶縁層の一方側の面、及び、絶縁層の他方側の面に抵抗部１１ａ、１１ｂが設けられているから、図４に示した実施形態の温度計測装置と比較して抵抗部の面積を２倍にすることができ、高精度で温度を計測することができる。 Since the temperature measuring device of this embodiment is provided with the resistance portions 11a and 11b on one surface of the insulating layer and on the other surface of the insulating layer, the temperature measuring device of the embodiment shown in FIG. The area of the resistance portion can be doubled as compared with, and the temperature can be measured with high accuracy.
（第８実施形態） (Eighth Embodiment)
図２２は第８実施形態の温度計測装置を説明するための平面部分断面図である。以下の説明において、図１〜図２１に示した構成と同様の構成には同一の参照符号を付し、重複した説明を省略する。図２２に示した本実施形態の温度計測装置は、センサ１０の構成、及び、フィルム部３０の構成が図４に示した第１実施形態の温度計測装置と相違する。 FIG. 22 is a plan partial sectional view for explaining the temperature measuring device of the eighth embodiment. In the following description, the same components as those shown in FIGS. 1 to 21 are designated by the same reference numerals, and a duplicate description will be omitted. The temperature measuring device of the present embodiment shown in FIG. 22 is different from the temperature measuring device of the first embodiment shown in FIG. 4 in the configuration of the sensor 10 and the film part 30.
図２２において、センサ１０は抵抗部１１ｃの屈折部分が仮想円１１ｄに沿って配置されている。フィルム部３０のセンサ１０が備えられている領域３７は、仮想円１１ｄよりも僅かに大きい円形に構成されている。 In FIG. 22, in the sensor 10, the refraction portion of the resistance portion 11c is arranged along the virtual circle 11d. The area 37 of the film portion 30 where the sensor 10 is provided is formed in a circular shape slightly larger than the virtual circle 11d.
本実施形態の温度計測装置は、フィルム部３０の領域３７が仮想円１１ｄよりも僅かに大きい円形に構成され、抵抗部１１ｃの屈折部分が仮想円１１ｄに沿って配置されているため、図４に示した実施形態の温度計測装置と比較して、領域３７の面積に対する抵抗部１１ｃが設けられた部分の面積を大きくすることができ、高精度で温度を計測することができる。 In the temperature measuring device according to the present embodiment, the region 37 of the film portion 30 is formed into a circle slightly larger than the virtual circle 11d, and the refraction portion of the resistance portion 11c is arranged along the virtual circle 11d. Compared with the temperature measuring device of the embodiment shown in FIG. 3, the area of the portion where the resistance portion 11c is provided with respect to the area of the region 37 can be increased, and the temperature can be measured with high accuracy.
（変形例） (Modification)
上述した実施形態では、体温を測るための体温計について詳細に説明したが、本発明の温度計測装置は体温計に限定されるものではなく、例えば、大気の温度を計測する装置、海や川の温度を計測する装置、工業製品や工業製品の原料の温度を計測する装置等に使用することもできる。 In the embodiment described above, the thermometer for measuring the body temperature has been described in detail, but the temperature measuring device of the present invention is not limited to the thermometer, and for example, a device for measuring the temperature of the atmosphere, the temperature of the sea or river. It can also be used in a device for measuring the temperature, a device for measuring the temperature of an industrial product or a raw material of an industrial product, and the like.
上述した実施形態では、抵抗（導体パターン）を用いた温度センサ１０を用いて説明したが、これに限定されるものではない。 In the above-described embodiment, the temperature sensor 10 using the resistance (conductor pattern) has been described, but the present invention is not limited to this.
上述した各実施形態の構成は互いに組み合わせることができる。上記では、種々の実施の形態及び変形例を説明したが、本発明はこれらの内容に限定されるものではない。例えば、上述した各実施形態の構成を互いに組み合わせたもの、本発明の技術的思想の範囲内で考えられるその他の態様も本発明の範囲内に含まれる。 The configurations of the respective embodiments described above can be combined with each other. Although various embodiments and modifications have been described above, the present invention is not limited to these contents. For example, a combination of the configurations of the above-described embodiments and other modes that are conceivable within the scope of the technical idea of the present invention are also included within the scope of the present invention.
本発明によれば、温度を迅速に計測することができる温度計測装置、及び、体温計を提供することができる。 ADVANTAGE OF THE INVENTION According to this invention, the temperature measuring device which can measure temperature rapidly and a thermometer can be provided.
１０ センサ
２０ 配線部
８０ 電気回路部
９１ 回路基板
３０ フィルム部材
９２ 筐体
10 sensor 20 wiring part 80 electric circuit part 91 circuit board 30 film member 92 housing
Claims (11)
一端側が前記センサと電気的に接続された電線と、前記電線の他端側に電気的に接続された電極とを有する配線部と、
前記電極に電気的に接続され前記配線部を介して供給された前記センサ信号を用いて演算を行い、温度情報を出力する電気回路部と、
前記電気回路部が搭載された回路基板と、
前記回路基板よりも薄い可撓性のフィルム部材と、
前記電気回路部と、前記回路基板とを収容する筐体とを有し、
前記電線、及び、前記センサは、前記フィルム部材に被覆され、
前記フィルム部材の前記電線を被覆している部分の少なくとも一部は前記筐体に収容され、前記フィルム部材の前記センサを被覆している部分は前記筐体から露出している温度計測装置。 A sensor that outputs a sensor signal,
An electric wire whose one end side is electrically connected to the sensor, and a wiring section having an electrode electrically connected to the other end side of the electric wire,
An electric circuit unit that is electrically connected to the electrode and performs calculation using the sensor signal supplied via the wiring unit, and outputs temperature information,
A circuit board on which the electric circuit section is mounted,
A flexible film member thinner than the circuit board,
A housing that houses the electric circuit unit and the circuit board;
The electric wire and the sensor are covered with the film member,
At least a part of a portion of the film member that covers the electric wire is housed in the housing, and a portion of the film member that covers the sensor is exposed from the housing.
前記センサは、導体パターンであり、少なくとも一部が前記電線と同一平面上に備えられている温度計測装置。 The temperature measuring device according to claim 1,
The temperature sensor is a conductor pattern, and at least a part of the sensor is provided on the same plane as the electric wire.
前記電線は、前記電気回路部及び前記センサに電気的に接続され前記電気回路部から出力された第１電流が流れる第１電線と、前記電気回路部及び前記センサに電気的に接続され前記センサから出力された第２電流が流れる第２電線と、前記第１電線に電気的に接続され前記第１電流よりも小さい電流が流れる第３電線と、前記第２電線に電気的に接続され前記第２電流よりも小さい電流が流れる第４電線とを有する温度計測装置。 The temperature measuring device according to claim 1 or 2,
The electric wire is a first electric wire that is electrically connected to the electric circuit unit and the sensor and through which a first current output from the electric circuit unit flows, and the electric wire that is electrically connected to the electric circuit unit and the sensor. A second electric wire through which a second current is output, a third electric wire that is electrically connected to the first electric wire and through which a current smaller than the first electric current flows, and an electric wire that is electrically connected to the second electric wire A temperature measuring device having a fourth electric wire through which a current smaller than the second current flows.
前記電気回路部は、
前記第１電線及び前記第２電線に電気的に接続され、前記センサに電力を供給する電力供給回路と、
前記第３電線及び前記第４電線に電気的に接続され、前記第１電線と前記第３電線との接続点と、前記第２電線と前記第４電線との接続点との電位差を検出する電位差検出回路とを有する温度計測装置。 The temperature measuring device according to claim 3,
The electric circuit section,
A power supply circuit that is electrically connected to the first electric wire and the second electric wire and supplies electric power to the sensor;
It is electrically connected to the third electric wire and the fourth electric wire, and detects a potential difference between a connection point between the first electric wire and the third electric wire and a connection point between the second electric wire and the fourth electric wire. A temperature measuring device having a potential difference detection circuit.
前記フィルム部材は、前記第１電線と前記第３電線との接続点、及び、前記第２電線と前記第４電線との接続点よりも前記電極側の部分が前記筐体に固定されている温度計測装置。 The temperature measuring device according to claim 4,
In the film member, a portion closer to the electrode than a connection point between the first electric wire and the third electric wire and a connection point between the second electric wire and the fourth electric wire is fixed to the housing. Temperature measuring device.
前記フィルム部材は、絶縁特性を有する第１薄膜部材及び第２薄膜部材を有し、
前記センサ及び前記電線は、前記第１薄膜部材と前記第２薄膜部材との間に挟まれている温度計測装置。 The temperature measuring device according to any one of claims 1 to 5,
The film member has a first thin film member and a second thin film member having insulating properties,
The temperature measuring device in which the sensor and the electric wire are sandwiched between the first thin film member and the second thin film member.
前記第１薄膜部材及び前記第２薄膜部材の厚みは、前記電線の厚みよりも薄い
温度計測装置。 The temperature measuring device according to claim 6,
The temperature measuring device wherein the first thin film member and the second thin film member are thinner than the electric wire.
前記フィルム部材は、ポリイミドを含有する温度計測装置。 The temperature measuring device according to any one of claims 1 to 7,
The film member is a temperature measuring device containing polyimide.
前記電線が備えられた方向を第１方向とするとき、前記フィルム部材の前記センサを被覆している部分の前記第１方向の長さは、前記フィルム部材の前記電線を被覆している部分の前記第１方向の長さよりも短い温度計測装置。 The temperature measuring device according to any one of claims 1 to 8,
When the direction in which the electric wire is provided is the first direction, the length of the portion of the film member covering the sensor in the first direction is equal to that of the portion of the film member covering the electric wire. A temperature measuring device shorter than the length in the first direction.
前記第１方向と直交する方向を第２方向とするとき、前記フィルム部材の前記センサを被覆している部分の前記第２方向の長さは、前記フィルム部材の前記電線を被覆している部分の前記第２方向の長さよりも長い温度計測装置。 The temperature measuring device according to claim 9,
When the direction orthogonal to the first direction is the second direction, the length of the portion of the film member covering the sensor in the second direction is the portion of the film member covering the electric wire. A temperature measuring device longer than the length in the second direction.
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| JPS6388415A (en) * | 1986-09-30 | 1988-04-19 | Toshiba Corp | Electronic thermometer |
| JPH07333073A (en) * | 1994-06-07 | 1995-12-22 | Casio Comput Co Ltd | Temperature sensor and temperature measuring device using the same |
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| JPS603531A (en) * | 1983-06-22 | 1985-01-09 | Kyushu Hitachi Maxell Ltd | Clinical thermometer |
| JPS6388415A (en) * | 1986-09-30 | 1988-04-19 | Toshiba Corp | Electronic thermometer |
| JPH07333073A (en) * | 1994-06-07 | 1995-12-22 | Casio Comput Co Ltd | Temperature sensor and temperature measuring device using the same |
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