JP2019128097A - Air conditioner - Google Patents

Air conditioner Download PDF

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JP2019128097A
JP2019128097A JP2018010120A JP2018010120A JP2019128097A JP 2019128097 A JP2019128097 A JP 2019128097A JP 2018010120 A JP2018010120 A JP 2018010120A JP 2018010120 A JP2018010120 A JP 2018010120A JP 2019128097 A JP2019128097 A JP 2019128097A
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sensor
lens
substrate
front panel
hole
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JP7084732B2 (en
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樋渡　義一
Giichi Hiwatari
義一 樋渡
哲平 武藤
Teppei Muto
哲平 武藤
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Corona Corp
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Corona Corp
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  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

To prevent breakage of a human sensitive sensor 8 and a sensor substrate 9 when assembled.SOLUTION: In an air conditioner, a front panel 3 is provided with a lens hole 22. The air conditioner has a back panel 2 positioned at the back of a front panel and a substrate case 16 fixed to the back panel. A sensor fixing part 17 is formed in a part of the substrate case and has a sensor substrate 9 fitted to the sensor fixing part. The sensor fixing part forms a groove 18 for fixing the sensor substrate and an engaging part 19. The engaging part is provided with an engaging hole 20. The human sensitive sensor is composed of a sensor substrate, a sensor element 10, and a sensor lens 11, and is provided with an insertion part 14 to be inserted in the groove on one end side of the sensor substrate, a projection 15 to be engaged with the engaging hole at the other end, and a sensor element in an almost central part. The sensor element is covered with the sensor lens, and the sensor lens is positioned in the lens hole of the front panel. The engaging part prevents breakage of the human sensitive sensor and the sensor substrate by making the sensor substrate warp when fitted to the sensor fixing part.SELECTED DRAWING: Figure 4

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 including a human sensor on the surface of a front panel that covers 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, by providing a display substrate mounted with a display lamp behind the display unit provided on the front panel, and confirming the lighting of the display lamp through the hole provided in the display unit facing the display lamp, There were some cases where the user confirmed the operating condition of the air conditioner. (For example, see Patent Document 1)

特許５３４２４７６号公報Patent 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 human sensor, the sensitivity improves if it protrudes to the surface of the front panel as much as possible. However, when the human sensor is directly attached to the front panel, the installation space and electrical wiring Connections, etc., led to an increase in manufacturing cost and assembly man-hours. In addition, if a sensor element and a substrate to which the sensor element is attached are provided behind the front panel, a hole is provided through the front panel, and only the sensor lens that covers the sensor element protrudes from the hole in the front panel, the diameter of the hole is reduced. If the sensor lens is sufficiently larger than the outer diameter of the sensor lens, the assembly operation of penetrating the sensor lens through the hole can be easily performed. However, a large gap is formed between the hole and the sensor lens. In addition, when the hole diameter is set to be close to the outer diameter of the sensor lens, the edge of the hole is caught by the sensor lens when the sensor lens is passed through the hole, and the sensor lens is damaged. In addition, there is a problem that the sensor element or the sensor substrate is broken when a force pressing the sensor element or the sensor substrate to which the sensor element is attached is applied from the sensor lens.

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位置する構成とし、前記係止部は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-described problems, the present invention provides an air conditioner including a human sensor on the surface of a front panel that covers an indoor unit, wherein the front panel includes a lens hole, and a rear plate positioned behind the front panel; And a substrate case fixed to the rear plate, wherein a sensor fixing portion is formed on a part of the substrate case, and the sensor fixing portion is attached to the sensor fixing portion; Forming a groove and a locking portion for securing the locking portion, the locking portion including a locking hole, the human sensor comprising the sensor substrate, the sensor element and the sensor lens, one end of the sensor substrate The insertion portion to be inserted into the groove on the side, the convex portion to be engaged with the locking hole at the other end, and the sensor element at the substantially central portion, the sensor element is covered with the sensor lens, The sensor in the lens hole of the front panel Lens is configured to position, the locking portion is so bent when mounted the sensor substrate to the sensor mount.

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 at the time of mounting the front panel, the locking portion bends to absorb an impact and damage the sensor lens and the sensor substrate To prevent that. Further, the locking portion 19 is provided in the sensor fixing portion 17 through the 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。1 is a perspective view of an embodiment of the present invention. 同縦断面図。The same longitudinal cross-sectional view. 同基板ケースの斜視図。The perspective view of the substrate case. 同要部の拡大分解斜視図。The expansion disassembled perspective view of the principal part. 同前面パネルの取り付けを説明する要部拡大断面図。The principal part expanded sectional view explaining attachment of the front panel. 同平面方向の要部拡大断面図Main part enlarged sectional view 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, an air conditioner according to an 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, and a rear plate 2 and a front panel 3 on the front side form a housing, in which a heat exchanger (not shown), a blower fan, etc. (not shown) Is equipped. Further, the front surface of the front panel 3 is covered with a decorative panel 4 which is pivotable about a front upper portion so as to be removable.

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 has a suction port 5 on the upper surface and a blowout port 6 on the bottom, and a mesh-like detachable removable air filter 7 is provided inside the suction port 5 and is included in suction air Remove the dust. The heat exchanger uses a fin-tube type heat exchanger, which acts as an evaporator at the time of cooling operation to become low temperature, and acts as a condenser at the time of heating operation to become high temperature, Cold air or hot air is blown out from the air outlet 6 to adjust the room temperature. The blower fan is a cross-flow fan, which is disposed inside the heat exchanger, and communicates the suction port 5 with the air filter 7, the heat exchanger, the blower fan, and the blower outlet 6 to provide a blower path (not shown). Form).

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 human sensor 8 is provided on the right side of the air outlet 6. The human sensor 8 detects the presence of a person by measuring infrared rays emitted from the human body. The human sensor 8 includes 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 printed board having a length of 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 center right side of the front surface by soldering. A receiver 12 for receiving a signal from a wireless remote controller (not shown) is located at the center left side of the front surface, and a terminal (not shown) connected to an indoor control board (not shown) at the upper center of the front surface. The connection portion 13 is attached by soldering. In addition, the sensor board 9 is locked and fixed to the board case 16 by an insertion part 14 provided in a length range of about 1/5 in the longitudinal direction from the upper and lower left ends of the sensor board 9 and a convex part 15 formed on the right end face. 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 substrate case 16 is a plastic resin molded product to which electronic components such as the indoor control substrate are attached, and is screwed and fixed to the right end of the back plate 2 on the right side of the air flow path. Further, a sensor fixing portion 17 to which the sensor substrate 9 is attached is formed to protrude at a lower front portion of the substrate case 16. The sensor fixing portion 17 is U-shaped in longitudinal section, and on the front left side, a pair of grooves 18 into which the insertion portion 14 of the sensor substrate 9 is inserted are formed vertically. 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 to the bottom, so that about 1.7 mm (depth) × about 1. A groove slightly larger than the insertion portion 14 is formed with a width of 9 mm, and the sensor substrate 9 is smoothly inserted and held. Further, the sensor fixing portion 17 is formed with 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 in which the convex portion 15 of the sensor substrate 9 is fitted. There is. Further, by having the notches 21 on the upper and lower sides of the locking portion 19 on the back side, the locking portion 19 can be provided with flexibility in the front-rear direction as shown by the broken line in FIG. The damage to the sensor substrate 9 and the sensor element 10 is prevented.

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 side protrudes 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 denotes a lens hole provided in the lower right corner of the front panel 3, which has a diameter that is much larger than the outer diameter of the sensor lens 11. The sensor lens 11 penetrates and the spherical surface of the sensor lens 11 is the surface of the front panel 3. The presence of people in the room is detected by Reference numeral 23 denotes a display unit for notifying the operation state of the air conditioner by lighting a display lamp or the like.

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。   The assembling of the front panel 3 will be described. Functional components such as a heat exchanger and a blower fan and the substrate case 16 are screwed and fixed in order to the front of the rear plate 2. When the front panel 3 is attached in 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 indicated by the broken arrow in FIG. 19 is flexibly deformed and bent to the rear side to absorb and soften the impact. As a result, damage to the surface of the sensor lens 11 and damage to the sensor lens 11, the sensor element 10 and the sensor substrate 9 are prevented. Further, by providing the locking portion 19 in the sensor fixing portion 17 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 on which the lens hole 22 is formed. Even when the edge of the lens hole 22 presses the sensor lens 11 when the front panel 3 is attached, the latching portion 19 bends backward to bend 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 is less bent 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。   Thus, according to the present invention, when the edge of the lens hole 22 comes into contact with 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 sensor substrate 9 is prevented from being damaged. Further, the locking portion 19 is provided in the sensor fixing portion 17 through the 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 within the scope of the present 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 DESCRIPTION OF SYMBOLS 1 indoor unit 2 back plate 3 front panel 8 human sensor 9 sensor substrate 10 sensor element 11 sensor lens 14 insertion portion 15 convex portion 16 substrate case 17 sensor fixing portion 18 groove 19 locking portion 20 locking hole 21 notch 22 lens Hole

Claims (2)

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位置する構成とし、
前記係止部は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ことを特徴とする空気調和機。 In an air conditioner provided with a human sensor on the surface of a front panel covering an indoor unit,
The front panel has a lens hole,
A back plate located behind the front panel;
And a substrate case fixed to the rear plate,
Forming a sensor fixing portion on a part of the substrate case;
It has a sensor substrate attached to the sensor fixing portion,
A groove for fixing the sensor substrate and a locking portion are formed in the sensor fixing portion, and the locking portion has a locking hole,
The human sensor includes the sensor substrate, a sensor element, and a sensor lens.
The sensor board includes an insertion portion to be inserted into the groove on one end side, a convex portion to be engaged with the engagement hole at the other end, and the sensor element at a substantially central portion. A lens and the sensor lens is positioned in the lens hole of the front panel;
The air conditioner characterized in that the locking portion bends when the sensor substrate is attached to the sensor fixing portion. 前記係止部は、前記センサ固定部に備えた２本の切欠の間に、断面Ｌ字型に形成することを特徴とする請求項１に記載の空気調和機。   The air conditioner according to claim 1, wherein the locking portion is formed in an L-shaped cross section between two notches provided in the sensor fixing portion.
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0191826U (en) * 1987-12-10 1989-06-16
JPH05187682A (en) * 1991-11-14 1993-07-27 Mitsubishi Electric Corp Controller for air conditioner, human body sensor and air conditioner
JPH0537510Y2 (en) * 1987-06-12 1993-09-22
JPH06196870A (en) * 1992-12-25 1994-07-15 Omron Corp Control apparatus
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

Patent Citations (7)

* 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
JPH05187682A (en) * 1991-11-14 1993-07-27 Mitsubishi Electric Corp Controller for air conditioner, human body sensor and air conditioner
JPH06196870A (en) * 1992-12-25 1994-07-15 Omron Corp Control apparatus
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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