JP7084732B2 - Air conditioner - Google Patents

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JP7084732B2
JP7084732B2 JP2018010120A JP2018010120A JP7084732B2 JP 7084732 B2 JP7084732 B2 JP 7084732B2 JP 2018010120 A JP2018010120 A JP 2018010120A JP 2018010120 A JP2018010120 A JP 2018010120A JP 7084732 B2 JP7084732 B2 JP 7084732B2
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front panel
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locking
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JP2019128097A (en
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義一 樋渡
哲平 武藤
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Corona Corp
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Description

本発明は、室内機を覆う前面パネルの表面に人感センサを備える空気調和機に関するものである。 The present invention relates to an air conditioner provided with a motion sensor on the surface of a front panel covering an indoor unit.

従来より、前面パネルに備えた表示部の後方に表示ランプを搭載した表示基板を設け、前記表示ランプに対向する表示部に備える孔を透過して前記表示ランプの点灯等を確認することで、空気調和機の運転状態を使用者が確認するものがあった。（例えば、特許文献１参照） Conventionally, a display board equipped with a display lamp is provided behind the display unit provided on the front panel, and the lighting of the display lamp is confirmed by passing through a hole provided in the display unit facing the display lamp. There was something that the user confirmed the operating condition of the air conditioner. (See, for example, Patent Document 1)

特許５３４２４７６号公報Japanese Patent No. 5342476

人感センサはその検知感度を良くするためには、なるべく前面パネルの表面に突出した方が感度は向上するが、前面パネルに直接人感センサを取り付けた場合には、取り付けスペースや電気配線の接続等で、製造コストの上昇や組み立て工数の増加をまねくものだった。また、前面パネルの後方にセンサ素子とセンサ素子を取り付ける基板を設け、前面パネルを貫通する孔を備え、センサ素子を覆うセンサレンズのみを前面パネルの孔より突出した場合には、孔の径をセンサレンズの外径よりも充分大きくすれば、孔にセンサレンズを貫通する組み立て作業は簡単に行うことができるが、孔とセンサレンズの間に大きな隙間が生じることで美観を損ねるものである。また、孔の径をセンサレンズの外径に近い大きさにした場合には、孔にセンサレンズを貫通する組み立て作業をするときに、孔の縁がセンサレンズに引っかかってセンサレンズに傷が発生したり、センサレンズからセンサ素子やセンサ素子が取り付けられているセンサ基板を押しつける力が加わることで、センサ素子やセンサ基板が破損する問題が有った。 In order to improve the detection sensitivity of the motion sensor, the sensitivity will be improved if it protrudes to the surface of the front panel as much as possible, but if the motion sensor is mounted directly on the front panel, the mounting space and electrical wiring will be increased. The connection, etc., led to an increase in manufacturing costs and assembly man-hours. Further, a substrate for mounting the sensor element and the sensor element is provided behind the front panel, a hole penetrating the front panel is provided, and when only the sensor lens covering the sensor element protrudes from the hole in the front panel, the diameter of the hole is adjusted. If the outer diameter of the sensor lens is made sufficiently larger than the outer diameter of the sensor lens, the assembly work of penetrating the sensor lens through the hole can be easily performed, but a large gap is created between the hole and the sensor lens, which spoils the aesthetic appearance. Also, if the diameter of the hole is close to the outer diameter of the sensor lens, the edge of the hole will be caught by the sensor lens and the sensor lens will be scratched when assembling the hole through the sensor lens. There is a problem that the sensor element and the sensor board are damaged due to the force applied from the sensor lens to the sensor element and the sensor board to which the sensor element is attached.

本発明は上記課題を解決するため、室内機を覆う前面パネルの表面に人感センサを備える空気調和機において、前記前面パネルにはレンズ孔を備え、前記前面パネルの後方に位置する後板と、前記後板に固定する基板ケースとを有し、前記基板ケースの一部にセンサ固定部を形成し、前記センサ固定部に取り付けられるセンサ基板を有し、前記センサ固定部には前記センサ基板を固定するための溝と係止部とを形成し、該係止部には係止孔を備え、前記人感センサは前記センサ基板とセンサ素子とセンサレンズで構成し、前記センサ基板の一端側に前記溝に挿入する差込部を、他端には前記係止孔に係止する凸部を、略中央部には前記センサ素子を備え、該センサ素子を前記センサレンズで覆い、前記前面パネルの前記レンズ孔に前記センサレンズが貫通して位置する構成とし、前記係止部は、前記センサ固定部の背面から側面にかけて、断面Ｌ字型に形成され、前記係止部の基端側は前記背面に設けられた２本の切欠の間に備えられ、前記係止部は、前記センサレンズの背面側に配置され、前記レンズ孔の形成する平面と略垂直方向に柔軟性を有すると共に、前記センサ基板を前記センサ固定部に取り付けたときに撓むようにした。 In order to solve the above problems, the present invention is an air conditioner having a human sensor on the surface of the front panel covering the indoor unit, wherein the front panel is provided with a lens hole and the rear plate is located behind the front panel. It has a substrate case fixed to the rear plate, a sensor fixing portion is formed in a part of the substrate case, and a sensor substrate attached to the sensor fixing portion is provided. The sensor fixing portion has the sensor substrate. A groove for fixing the sensor and a locking portion are formed, the locking portion is provided with a locking hole, and the human sensor is composed of the sensor substrate, the sensor element, and the sensor lens, and one end of the sensor substrate. An insertion portion to be inserted into the groove is provided on the side, a convex portion for locking to the locking hole is provided on the other end, and the sensor element is provided at a substantially central portion, and the sensor element is covered with the sensor lens. The sensor lens is positioned so as to penetrate the lens hole of the front panel, and the locking portion is formed in an L-shaped cross section from the back surface to the side surface of the sensor fixing portion, and the base end of the locking portion. The side is provided between the two notches provided on the back surface, and the locking portion is arranged on the back surface side of the sensor lens and has flexibility in a direction substantially perpendicular to the plane formed by the lens hole. At the same time, the sensor board was made to bend when it was attached to the sensor fixing portion.

本発明に係る空気調和機においては、前面パネル取り付け時にレンズ孔の縁がセンサレンズに接触し押圧したときには、係止部が撓むことで衝撃を吸収して、センサレンズやセンサ基板が破損することを防止する。また、センサ固定部１７にセンサ基板９と略平行な切欠２１を介して係止部１９を設け、係止部１９をレンズ孔２２と略垂直方向に柔軟性を有する形状とすることで、更に衝撃を吸収するものである。 In the air conditioner according to the present invention, when the edge of the lens hole contacts and presses the sensor lens when the front panel is attached, the locking portion bends to absorb the impact, and the sensor lens and the sensor substrate are damaged. To prevent that. Further, the sensor fixing portion 17 is provided with a locking portion 19 via a notch 21 substantially parallel to the sensor substrate 9, and the locking portion 19 has a shape having flexibility in a direction substantially perpendicular to the lens hole 22. It absorbs shocks.

本発明の一実施形態の斜視図。The perspective view of one Embodiment of this invention. 同縦断面図。The same vertical sectional view. 同基板ケースの斜視図。A perspective view of the board case. 同要部の拡大分解斜視図。Enlarged exploded perspective view of the main part. 同前面パネルの取り付けを説明する要部拡大断面図。An enlarged cross-sectional view of a main part explaining the installation of the front panel. 同平面方向の要部拡大断面図Enlarged sectional view of the main part in the same plane direction

次に、本発明の一実施形態の空気調和機を図面に基づいて説明する。１はセパレート式空気調和機の室内機で、後板２と前方の前面パネル３によって筐体を形成し、この筐体内には熱交換器（図示せず）と送風ファン等（図示せず）を備えている。また、前記前面パネル３の更に前面は、前面上部を中心に回動し着脱自在の化粧パネル４によって覆われている。 Next, the air conditioner according to the embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes an indoor unit of a separate type air conditioner, in which a housing is formed by a rear plate 2 and a front front panel 3, and a heat exchanger (not shown), a blower fan, etc. (not shown) are contained in the housing. It is equipped with. Further, the front surface of the front panel 3 is covered with a removable decorative panel 4 that rotates around the upper part of the front surface.

また、前記前面パネル３は上面に吸込口５を、底面に吹出口６を備え、前記吸込口５の内側には網目状で着脱自在のエアーフィルタ７を左右１対備え、吸込空気に含まれる埃を取り除く。また、前記熱交換器はフィンチューブ式の熱交換器を使用するものであり、冷房運転時には蒸発器として作用して低温になり、暖房運転時には凝縮器として作用して高温となることで、前記吹出口６から冷風や温風を吹き出して室温を調節する。また、前記送風ファンはクロスフローファンで、熱交換器の内側に配置され、前記吸込口５とエアーフィルタ７、熱交換器、送風ファン、吹出口６とを連通して送風経路（図示せず）を形成している。 Further, the front panel 3 is provided with a suction port 5 on the upper surface and an outlet 6 on the bottom surface, and a mesh-like removable air filter 7 is provided on the inside of the suction port 5 on the left and right sides, and is included in the suction air. Remove dust. Further, the heat exchanger uses a fin tube type heat exchanger, and acts as an evaporator during the cooling operation to lower the temperature, and acts as a condenser during the heating operation to raise the temperature. The room temperature is adjusted by blowing cold air or hot air from the air outlet 6. Further, the blower fan is a cross-flow fan, which is arranged inside the heat exchanger, and communicates the suction port 5 with the air filter 7, the heat exchanger, the blower fan, and the air outlet 6 to provide a blower path (not shown). ) Is formed.

前記吹出口６の右側には円形の人感センサ８を有している。この人感センサ８は人体から放射される赤外線を測定することにより、人の存在を検知する。また、人感センサ８はセンサ基板９とセンサ素子１０とセンサレンズ１１で構成する。 A circular motion sensor 8 is provided on the right side of the outlet 6. The motion sensor 8 detects the presence of a person by measuring infrared rays radiated from the human body. Further, the motion sensor 8 is composed of a sensor substrate 9, a sensor element 10, and a sensor lens 11.

前記センサ基板９はおよそ縦３０ｍｍ×横６０ｍｍ×厚さ１．６ｍｍで薄板状のプリント基板で、前面の中央右側に赤外線を検知する前記センサ素子１０が半田付けによって取り付けられている。また、前面の中央左側はワイヤレスリモコン（図示せず）の信号を受信する受信器１２が、また、前面の上部中央には室内制御基板（図示せず）へ接続される端子（図示せず）の接続部１３が半田付けによって取り付けられている。また、前記センサ基板９の上下の左端から長手方向の約１／５程度の長さ範囲に設けられた差込部１４と右側端面に形成した凸部１５によって基板ケース１６に係止して固定する。 The sensor substrate 9 is a thin plate-shaped printed circuit board having a length of about 30 mm, a width of 60 mm, and a thickness of 1.6 mm, and the sensor element 10 for detecting infrared rays is attached to the right side of the center of the front surface by soldering. In addition, the receiver 12 that receives the signal of the wireless remote controller (not shown) is on the left side of the center of the front, and the terminal (not shown) connected to the indoor control board (not shown) is in the center of the upper part of the front. Connection portion 13 is attached by soldering. Further, the sensor substrate 9 is locked and fixed to the substrate case 16 by the insertion portion 14 provided in a length range of about 1/5 in the longitudinal direction from the upper and lower left ends and the convex portion 15 formed on the right end surface. do.

前記基板ケース１６は前記室内制御基板等の電子部品が取り付けられるプラスチック樹脂成形品で、前記送風経路の右側で前記後板２の右端に縦方向にネジ止め固定される。また、前記基板ケース１６の前方下部には前記センサ基板９を取り付けるセンサ固定部１７を突出して形成している。このセンサ固定部１７は縦断面コの字型で、前側左に前記センサ基板９の差込部１４を差し込む溝１８を上下に一対形成している。この溝１８はセンサ固定部１７の左端から右側に約１４ｍｍ（後側）と約７ｍｍ（前側）のビードを上下から内側に向けて備えることで、約１．７ｍｍ（深さ）×約１．９ｍｍ（幅）で前記差込部１４よりもやや大きな溝を形成し、センサ基板９をスムーズに差込挟持する。また、センサ固定部１７は背面から右側面にかけて横断面Ｌ字型の係止部１９と、この係止部１９に前記センサ基板９の凸部１５が嵌る縦長の係止孔２０を形成している。また、前記係止部１９の背面側の上下に切欠２１を有することで図６の破線で示した様に係止部１９に前後方向の柔軟性を備えることができるもので、この柔軟性によって前記センサ基板９や前記センサ素子１０等の破損を防止する。 The board case 16 is a plastic resin molded product to which electronic parts such as the indoor control board are attached, and is vertically screwed and fixed to the right end of the rear plate 2 on the right side of the air blowing path. Further, a sensor fixing portion 17 for attaching the sensor substrate 9 is formed so as to project from the lower front portion of the substrate case 16. The sensor fixing portion 17 has a U-shaped vertical cross section, and a pair of grooves 18 into which the insertion portion 14 of the sensor substrate 9 is inserted are formed vertically on the front left side. This groove 18 is provided with beads of about 14 mm (rear side) and about 7 mm (front side) from the left end to the right side of the sensor fixing portion 17 from the top and bottom to the inside, so that about 1.7 mm (depth) × about 1. A groove slightly larger than the insertion portion 14 is formed at 9 mm (width), and the sensor substrate 9 is smoothly inserted and sandwiched. Further, the sensor fixing portion 17 forms a locking portion 19 having an L-shaped cross section from the back surface to the right side surface, and a vertically long locking hole 20 into which the convex portion 15 of the sensor substrate 9 fits. There is. Further, by having the notches 21 on the upper and lower sides of the back surface side of the locking portion 19, the locking portion 19 can be provided with flexibility in the front-rear direction as shown by the broken line in FIG. The sensor board 9 and the sensor element 10 are prevented from being damaged.

前記センサレンズ１１は、赤外線を透過する樹脂材料で形成され、柱状の前記センサ素子１０を覆うことでセンサ素子１０にセンサレンズ１１前方周囲の赤外線を集めるために、前方が略球面状に突出する。 The sensor lens 11 is made of a resin material that transmits infrared rays, and the front portion projects in a substantially spherical shape in order to collect infrared rays around the front of the sensor lens 11 on the sensor element 10 by covering the columnar sensor element 10. ..

２２は前記前面パネル３の右下隅に備えるレンズ孔で、前記センサレンズ１１の外径よりも稍大きな径であり、センサレンズ１１が貫通してセンサレンズ１１の球状表面が前記前面パネル３の表面に突出することで、室内の人の存在を検知する。２３は表示部で表示ランプ等の点灯で空気調和機の運転状態を知らせるものである。 Reference numeral 22 is a lens hole provided in the lower right corner of the front panel 3, which has a diameter slightly larger than the outer diameter of the sensor lens 11, and the spherical surface of the sensor lens 11 penetrates the sensor lens 11 to be the surface of the front panel 3. By protruding to, the presence of a person in the room is detected. Reference numeral 23 is a display unit for lighting an indicator lamp or the like to indicate the operating state of the air conditioner.

前記前面パネル３の組み付けについて説明すれば、後板２の前方に熱交換器や送風ファン等の機能部品と基板ケース１６が順次ネジ止め固定される。後板２の前方に前面パネル３を取り付ける際に、図５破線矢印のように、前面パネル３のレンズ孔２２の縁がセンサレンズ１１に接触し押圧するが、センサ固定部１７の係止部１９が柔軟に後ろ側に変形して撓むことで衝撃を吸収して和らげる。それによって、センサレンズ１１の表面に傷が発生したり、センサレンズ１１やセンサ素子１０やセンサ基板９が破損することを防止する。また、センサ固定部１７にセンサ基板９と略平行な切欠２１を介して係止部１９を設けたことで、係止部１９をレンズ孔２２の形成する平面と略垂直方向に柔軟性を持たせることができ、前面パネル３の取り付け時にレンズ孔２２の縁がセンサレンズ１１を押圧しても係止部１９が後ろ側に撓むことで差込部１４の端付近で撓み、レンズ基板９のセンサ素子９付近のレンズ基板９は撓みが少なくセンサ素子１０へのダメージを防止できる。 Explaining the assembly of the front panel 3, functional parts such as a heat exchanger and a blower fan and the board case 16 are sequentially screwed and fixed in front of the rear plate 2. When the front panel 3 is attached to the front of the rear plate 2, the edge of the lens hole 22 of the front panel 3 contacts and presses the sensor lens 11 as shown by the broken line arrow in FIG. 19 flexibly deforms to the rear side and bends to absorb and soften the impact. This prevents scratches on the surface of the sensor lens 11 and damage to the sensor lens 11, the sensor element 10, and the sensor substrate 9. Further, since the sensor fixing portion 17 is provided with the locking portion 19 via the notch 21 substantially parallel to the sensor substrate 9, the locking portion 19 has flexibility in a direction substantially perpendicular to the plane formed by the lens hole 22. Even if the edge of the lens hole 22 presses the sensor lens 11 when the front panel 3 is attached, the locking portion 19 bends backward and bends near the end of the insertion portion 14, and the lens substrate 9 The lens substrate 9 in the vicinity of the sensor element 9 has little bending and can prevent damage to the sensor element 10.

このように、本件発明によれば、前面パネル３取り付け時にレンズ孔２２の縁がセンサレンズ１１に接触し押圧したときには、係止部１９が撓むことで衝撃を吸収して、センサレンズ１１やセンサ基板９が破損することを防止する。また、センサ固定部１７にセンサ基板９と略平行な切欠２１を介して係止部１９を設け、係止部１９をレンズ孔２２と略垂直方向に柔軟性を有する形状とすることで、更に衝撃を吸収するものである。 As described above, according to the present invention, when the edge of the lens hole 22 contacts and presses the sensor lens 11 when the front panel 3 is attached, the locking portion 19 bends to absorb the impact, and the sensor lens 11 or the like. Prevents the sensor board 9 from being damaged. Further, the sensor fixing portion 17 is provided with a locking portion 19 via a notch 21 substantially parallel to the sensor substrate 9, and the locking portion 19 has a shape having flexibility in a direction substantially perpendicular to the lens hole 22. It absorbs shocks.

なお、本発明は上記一実施形態に限定されるものではなく、発明の要旨を変更しない範囲で改変可能なものである。 The present invention is not limited to the above embodiment, and can be modified without changing the gist of the invention.

１ 室内機
２ 後板
３ 前面パネル
８ 人感センサ
９ センサ基板
１０ センサ素子
１１ センサレンズ
１４ 差込部
１５ 凸部
１６ 基板ケース
１７ センサ固定部
１８ 溝
１９ 係止部
２０ 係止孔
２１ 切欠
２２ レンズ孔 1 Indoor unit 2 Rear plate 3 Front panel 8 Motion sensor 9 Sensor board 10 Sensor element 11 Sensor lens 14 Insert 15 Convex part 16 Board case 17 Sensor fixing part 18 Groove 19 Locking part 20 Locking hole 21 Notch 22 Lens Hole

Claims (1)

室内機を覆う前面パネルの表面に人感センサを備える空気調和機において、
前記前面パネルにはレンズ孔を備え、
前記前面パネルの後方に位置する後板と、
前記後板に固定する基板ケースとを有し、
前記基板ケースの一部にセンサ固定部を形成し、
前記センサ固定部に取り付けられるセンサ基板を有し、
前記センサ固定部には前記センサ基板を固定するための溝と係止部とを形成し、該係止部には係止孔を備え、
前記人感センサは前記センサ基板とセンサ素子とセンサレンズで構成し、
前記センサ基板の一端側に前記溝に挿入する差込部を、他端には前記係止孔に係止する凸部を、略中央部には前記センサ素子を備え、該センサ素子を前記センサレンズで覆い、前記前面パネルの前記レンズ孔に前記センサレンズが貫通して位置する構成とし、
前記係止部は、前記センサ固定部の背面から側面にかけて、断面Ｌ字型に形成され、
前記係止部の基端側は前記背面に設けられた２本の切欠の間に備えられ、
前記係止部は、前記センサレンズの背面側に配置され、
前記係止部は前記レンズ孔の形成する平面と垂直方向に柔軟性を有していると共に、前記センサ基板を前記センサ固定部に取り付けたときに撓むようにしたことを特徴とする空気調和機。 In an air conditioner equipped with a motion sensor on the surface of the front panel that covers the indoor unit,
The front panel is provided with a lens hole.
The rear plate located behind the front panel and
It has a substrate case to be fixed to the rear plate.
A sensor fixing portion is formed on a part of the board case, and the sensor fixing portion is formed.
It has a sensor board that can be attached to the sensor fixing part.
The sensor fixing portion is formed with a groove for fixing the sensor substrate and a locking portion, and the locking portion is provided with a locking hole.
The motion sensor is composed of the sensor substrate, the sensor element, and the sensor lens.
An insertion portion to be inserted into the groove is provided on one end side of the sensor substrate, a convex portion for locking to the locking hole is provided on the other end, and the sensor element is provided in a substantially central portion, and the sensor element is used as the sensor. It is covered with a lens so that the sensor lens is positioned so as to penetrate the lens hole of the front panel.
The locking portion is formed in an L-shaped cross section from the back surface to the side surface of the sensor fixing portion.
The base end side of the locking portion is provided between the two notches provided on the back surface.
The locking portion is arranged on the back side of the sensor lens.
An air conditioner characterized in that the locking portion has flexibility in a direction perpendicular to a plane formed by the lens hole and is bent when the sensor substrate is attached to the sensor fixing portion.
JP2018010120A 2018-01-25 2018-01-25 Air conditioner Active JP7084732B2 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000241003A (en) 1999-02-18 2000-09-08 Sanyo Electric Co Ltd Air conditioner
JP2012042183A (en) 2010-08-23 2012-03-01 Toshiba Corp Indoor unit for air conditioner
US20140094108A1 (en) 2012-09-28 2014-04-03 Lg Electronics Inc. Air conditioner with ionizer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0537510Y2 (en) * 1987-06-12 1993-09-22
JPH0191826U (en) * 1987-12-10 1989-06-16
JP2921256B2 (en) * 1991-11-14 1999-07-19 三菱電機株式会社 Air conditioner control device, human body detection sensor, and air conditioner
JP3358092B2 (en) * 1992-12-25 2002-12-16 オムロン株式会社 Front case structure of control equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000241003A (en) 1999-02-18 2000-09-08 Sanyo Electric Co Ltd Air conditioner
JP2012042183A (en) 2010-08-23 2012-03-01 Toshiba Corp Indoor unit for air conditioner
US20140094108A1 (en) 2012-09-28 2014-04-03 Lg Electronics Inc. Air conditioner with ionizer

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