JP2016180524A - Ceiling embedded type air conditioner - Google Patents

Ceiling embedded type air conditioner Download PDF

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JP2016180524A
JP2016180524A JP2015060278A JP2015060278A JP2016180524A JP 2016180524 A JP2016180524 A JP 2016180524A JP 2015060278 A JP2015060278 A JP 2015060278A JP 2015060278 A JP2015060278 A JP 2015060278A JP 2016180524 A JP2016180524 A JP 2016180524A
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cable
motor
drain pan
inner peripheral
air conditioner
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JP6410211B2 (en
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隆行 小森
Takayuki Komori
隆行 小森
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Fujitsu General Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a ceiling embedded type air conditioner capable of preventing dew condensation water from dropping on an outside along a cable connecting an electric component box with a motor, and capable of facilitating wiring work of the cable.SOLUTION: A cable guide groove 73 is formed in a vertical direction of an inner peripheral wall 71c of an inner peripheral edge 71 of a drain pan 70, and a cable 210 connecting an electric component box with a motor 40 is fitted in the cable guide groove 73. Of the cable 210, a trap part 213 formed by being folded back twice to an opposite direction is formed on an extension part extending to a direction of the motor 40 from the cable guide groove 73, and a folded back portion 213a on the motor 40 side of the trap part 213 is locked to a stopper 71d on an upper surface 71c of the inner peripheral edge 71 of the drain pan 70 by a clamp 230.SELECTED DRAWING: Figure 2

Description

本発明は、室内の天井に埋め込んで設置される天井埋込型空気調和機に関する。   The present invention relates to a ceiling-embedded air conditioner that is installed by being embedded in an indoor ceiling.

天井埋込型空気調和機は、一般的に、図５〜図７に示すように構成されている（例えば、特許文献１）。１０は板金製の略直方体形状の筐体であり、上面が天板１１で閉じられ側面が側板１２で閉じられ下面が開口している。この筐体１０は、内壁に断熱材２０が貼付され、側板１２の角部分１２ａの外側に取り付けられたフック３０が吊り金具によって天井の梁等に吊り下げられる。   The ceiling-embedded air conditioner is generally configured as shown in FIGS. 5 to 7 (for example, Patent Document 1). Reference numeral 10 denotes a substantially rectangular parallelepiped housing made of sheet metal, the upper surface of which is closed by a top plate 11, the side surface of which is closed by a side plate 12, and the lower surface is opened. In this case 10, a heat insulating material 20 is attached to the inner wall, and a hook 30 attached to the outside of the corner portion 12a of the side plate 12 is suspended from a ceiling beam or the like by a hanging metal fitting.

この筐体１０の天板１１の裏面の中央にはモータ４０が取り付けられ、このモータ４０の出力軸４１に送付装置としてのターボファン５０が結合している。６０は下面部からみた形状が四角筒形状の熱交換器である。７０は発泡樹脂製のドレンパンであり、熱交換器６０で生じる結露水を回収溝７４に集める。このドレンパン７０の中央部分には、内周縁部７１が形成されることにより開口部７４が形成されている。   A motor 40 is attached to the center of the rear surface of the top plate 11 of the housing 10, and a turbo fan 50 as a sending device is coupled to an output shaft 41 of the motor 40. Reference numeral 60 denotes a heat exchanger having a square cylindrical shape as viewed from the lower surface. Reference numeral 70 denotes a drain pan made of foamed resin, which collects condensed water generated in the heat exchanger 60 in the collecting groove 74. An opening 74 is formed in the central portion of the drain pan 70 by forming an inner peripheral edge 71.

８０は中央部分に空気吸込口８１が設けられその空気吸込口８１の周囲の４か所に空気吹出口８２が設けられた化粧パネルである。９０は化粧パネル８０の空気吸込口８１から吸い込まれる空気をターボファン５０にガイドするベルマウスであり、ドレンパン７０の内周縁部７１の下面に肩部分９１が押し付けられるように組み込まれる。   Reference numeral 80 denotes a decorative panel in which an air suction port 81 is provided in the central portion and air outlets 82 are provided at four locations around the air suction port 81. Reference numeral 90 denotes a bell mouth that guides the air sucked from the air suction port 81 of the decorative panel 80 to the turbo fan 50, and is incorporated so that the shoulder portion 91 is pressed against the lower surface of the inner peripheral edge 71 of the drain pan 70.

１００は熱交換器６０を通過した空気を空気吹出口８２にガイドする送風ガイド、１１０は化粧パネル８０の空気吸込口８１の内側に配置される除塵用のフィルタである。１２０はモータ４０、風向弁２６０等を制御する電装品箱であり、ドレンパン７０の下面と化粧パネル８０の上面との間に組み込まれている。１３０は天井埋込型空気調和機が配置される室内天井板である。   Reference numeral 100 denotes an air blowing guide that guides the air that has passed through the heat exchanger 60 to the air outlet 82, and 110 denotes a dust removal filter that is disposed inside the air inlet 81 of the decorative panel 80. An electrical component box 120 controls the motor 40, the wind direction valve 260, and the like, and is incorporated between the lower surface of the drain pan 70 and the upper surface of the decorative panel 80. 130 is an indoor ceiling board in which a ceiling-embedded air conditioner is arranged.

このような天井埋込型空気調和機において、モータ４０と電装品箱１２０とを接続するケーブルは、電装品箱１２０からドレンパン７０の内周縁部７１に沿わせ、あるいは特許文献１に記載のようにドレンパン７０に形成した配線経路に沿わせ、さらに、筐体１０の天面１１の裏面を這わせて配線することになる。   In such a ceiling-embedded air conditioner, the cable connecting the motor 40 and the electrical component box 120 runs along the inner peripheral edge 71 of the drain pan 70 from the electrical component box 120 or as described in Patent Document 1. The wiring is routed along the wiring path formed in the drain pan 70, and further, the back surface of the top surface 11 of the housing 10 is turned.

特開２０１０−１５９９１０号公報JP 2010-159910 A

しかし、そのケーブルに結露水が付着すると、その結露水がケーブルを伝わりドレンパンを迂回して空気調和機の外部、例えば室内に落下するおそれがあった。また、そのケーブルの配線作業では複数個所をクランプで固定する必要があり、作業性が悪かった。   However, if the condensed water adheres to the cable, the condensed water may travel along the cable, bypass the drain pan, and fall to the outside of the air conditioner, for example, the room. Also, in the wiring work of the cable, it was necessary to fix a plurality of places with clamps, and workability was poor.

本発明の目的は、電装品箱とモータを接続するケーブルを伝わって結露水が外部に落下することがないようにし、またそのケーブルの配線作業が容易となった天井埋込型空気調和機を提供することである。   An object of the present invention is to provide a ceiling-embedded air conditioner that prevents condensed water from falling outside through a cable connecting an electrical component box and a motor and that facilitates the wiring work of the cable. Is to provide.

上記目的を達成するために、請求項１にかかる発明は、上面が天板で閉じられ側面が側板で閉じられ下面が開口した筐体と、中央に空気吸込口が設けられ該空気吸込口の周囲に空気吹出口が設けられ前記筐体の前記下面に取り付けられる化粧パネルと、前記筐体の前記天板に取り付けられるモータと、該モータによって回転駆動される送風装置と、前記空気吸込口から吸い込まれる空気を前記送風装置にガイドするベルマウスと、前記送風装置によって前記空気吸込口から吸い込まれ前記空気吹出口に吹き出される途中の空気に対して冷媒との間で熱交換を行う熱交換器と、該熱交換器で生じた結露水を集めるドレンパンと、前記モータを含む各種電装品を制御する電装品箱と、を備えた天井埋込型空気調和機において、前記ドレンパンの内周縁部の内周壁の上下方向にケーブルガイド溝が形成され、前記電装品箱と前記モータとを接続するケーブルが前記ケーブルガイド溝に嵌め込まれ、前記ケーブルのうち、前記ケーブルガイド溝から前記モータの方向に伸びる部分に、互いに反対方向に２度折り返して形成したトラップ部が形成され、該トラップ部の前記モータ側の折返し部分が前記ドレンパンの前記内周縁部の上面に係止されていることを特徴とする。   In order to achieve the above object, the invention according to claim 1 is characterized in that an upper surface is closed by a top plate, a side surface is closed by a side plate, and a lower surface is opened, and an air suction port is provided in the center. A decorative panel provided with an air outlet around and attached to the lower surface of the housing, a motor attached to the top plate of the housing, a blower driven to rotate by the motor, and the air suction port Heat exchange that exchanges heat between the bell mouth that guides the sucked air to the blower and the refrigerant that is being sucked from the air suction port by the blower and blown out to the air outlet. In the ceiling-embedded air conditioner comprising: a drainage pan that collects the dew condensation water generated in the heat exchanger; and an electrical component box that controls various electrical components including the motor. A cable guide groove is formed in the vertical direction of the inner peripheral wall of the edge, and a cable connecting the electrical component box and the motor is fitted into the cable guide groove. A trap portion formed by folding twice in opposite directions is formed in a portion extending in the direction, and the folded portion on the motor side of the trap portion is locked to the upper surface of the inner peripheral edge portion of the drain pan. Features.

請求項２にかかる発明は、請求項１に記載の天井埋込型空気調和機において、前記ケーブルのうち、前記ドレンパンの前記内周縁部の前記上面に係止されている前記折返し部分から前記モータの方向に伸びる引出部が、ケーブル固定具によって前記筐体の前記天面の裏面に押し付けられていることを特徴とする。   According to a second aspect of the present invention, in the ceiling-embedded air conditioner according to the first aspect, the motor from the folded portion of the cable that is locked to the upper surface of the inner peripheral edge of the drain pan. The lead-out portion extending in the direction of is pressed against the back surface of the top surface of the housing by a cable fixture.

請求項３にかかる発明は、請求項２に記載の天井埋込型空気調和機において、前記ケーブル固定具は、前記ケーブルを前記筐体の前記天面の裏面に押し付ける横板と、該横板の端部に立設され前記ケーブルを前記熱交換器の近傍にガイドする縦板とからなることを特徴とする。   The invention according to claim 3 is the ceiling-embedded air conditioner according to claim 2, wherein the cable fixture includes a horizontal plate that presses the cable against the back surface of the top surface of the housing, and the horizontal plate. And a vertical plate that guides the cable in the vicinity of the heat exchanger.

本発明によれば、電装品箱とモータとを接続するケーブルが、ドレンパンの内周縁部の内周壁のケーブルガイド溝に嵌め込まれ、そのケーブルガイド溝からモータに向かって上方向に伸びる部分にトラップ部が形成され、そのトラップ部のモータ側の折返し部分がドレンパンの内周縁部の上面にクランプで係止されている。このため、ケーブルを伝わってきた結露水はドレンパンの回収溝に集められるので、その結露水が外部に落下することはない。また、筐体の天面の裏面を這うケーブルは、ケーブル固定具によってその天面に押し付けることができるので、そのケーブルの配線作業が容易となる。   According to the present invention, the cable connecting the electrical component box and the motor is fitted into the cable guide groove on the inner peripheral wall of the inner peripheral edge of the drain pan, and trapped on the portion extending upward from the cable guide groove toward the motor. And a folded portion on the motor side of the trap portion is locked to the upper surface of the inner peripheral edge of the drain pan with a clamp. For this reason, the condensed water transmitted through the cable is collected in the collecting groove of the drain pan, so that the condensed water does not fall outside. Moreover, since the cable which crawls the back surface of the top | upper surface of a housing | casing can be pressed on the top | upper surface with a cable fixing tool, the wiring operation | work of the cable becomes easy.

本発明のＥＭＩフィルタ取付部分の周辺を表すために化粧パネルとベルマウスと電装品箱を取り外した状態の天井埋込型空気調和機の下面を上に向けた斜視図である。It is the perspective view which turned up the lower surface of the ceiling embedded type air conditioner of the state which removed the decorative panel, the bell mouth, and the electrical component box in order to represent the periphery of the EMI filter attachment part of this invention. 図１におけるＥＭＩフィルタ取付部分の周辺の拡大説明図である。FIG. 2 is an enlarged explanatory view around the EMI filter mounting portion in FIG. 1. （ａ）は本発明のＥＭＩフィルタとケーブルを取り付けたドレンパンの内周縁部の下面図、（ｂ）は本発明のＥＭＩフィルタとケーブルを取り外したドレンパンの内周縁部の下面図である。(A) is a bottom view of the inner periphery of the drain pan to which the EMI filter and cable of the present invention are attached, and (b) is a bottom view of the inner periphery of the drain pan from which the EMI filter and cable of the present invention are removed. 本発明のＥＭＩフィルタの組み込み位置を示した天井埋込型空気調和機の化粧パネルを取り外した下面図である。It is the bottom view which removed the decorative panel of the ceiling embedded type air conditioner which showed the installation position of the EMI filter of this invention. 従来の天井埋込型空気調和機の下面からみた斜視図である。It is the perspective view seen from the lower surface of the conventional ceiling-embedded air conditioner. 従来の天井埋込型空気調和機の化粧パネルを取り外した下面図である。It is the bottom view which removed the decorative panel of the conventional ceiling-embedded air conditioner. 図６のＶＩＩ−ＶＩＩ線断面図である。It is the VII-VII sectional view taken on the line of FIG.

図１〜図４に本発明の実施例の天井埋込型空気調和機の電装品箱１２０とモータ４０とを接続するケーブル２１０の配線部分を示す。発泡樹脂製のドレンパン７０の内側の開口部７４は内周縁部７１によって形成されており、その内周縁部７１の下面７１ａにおける電装品箱１２０の近傍（ただし、図１〜図３では電装品箱１２０は取り外している）には、フィルタ収納凹部７２が形成されている。そして、内周縁部７１の内周壁７１ｂにおいて、フィルタ収納凹部７２における電装品箱１２０から遠い側、つまりモータ４０に近い側には、上下方向に抜けるように切除して形成したケーブルガイド溝７３が設けられている。   1 to 4 show a wiring portion of a cable 210 that connects the electrical component box 120 and the motor 40 of the ceiling-embedded air conditioner according to the embodiment of the present invention. An opening 74 inside the drain pan 70 made of foamed resin is formed by an inner peripheral edge 71, and in the vicinity of the electrical component box 120 on the lower surface 71 a of the inner peripheral edge 71 (however, in FIG. 1 to FIG. 120 is removed), a filter housing recess 72 is formed. In the inner peripheral wall 71 b of the inner peripheral edge 71, a cable guide groove 73 formed by cutting away from the vertical direction on the side far from the electrical component box 120 in the filter housing recess 72, that is, the side close to the motor 40. Is provided.

図３の（ｂ）に示すように、フィルタ収納凹部７２における電装品箱１２０の側のドレンパン７０の内周縁部７１の下面７１ａには、ケーブル押付溝７２ａが形成され、ケーブルガイド溝７３の側の下面７１ａには、ケーブルガイド溝７３に連続するケーブル押付溝７２ｂに連続している。   As shown in FIG. 3B, a cable pressing groove 72 a is formed on the lower surface 71 a of the inner peripheral edge 71 of the drain pan 70 on the electrical component box 120 side in the filter housing recess 72, and the cable guide groove 73 side is formed. The lower surface 71 a of the cable is continuous with a cable pressing groove 72 b that is continuous with the cable guide groove 73.

２２０はＥＭＩフィルタであり、ケーブル２１０を挟んで装着し、断熱シート等の隙間シール材２５０と共にフィルタ収納凹部７２に嵌め込まれている。ＥＭＩフィルタ２２０がフィルタ収納凹部７２に嵌め込まれた状態では、ケーブル２１０の内の、ＥＭＩフィルタ２２０から電装品箱１２０の方向に伸びる引出部２１１はケーブル押付溝７２ａに嵌め込まれ、ＥＭＩフィルタ２２０からモータ４０の方向に伸びる引出部２１２はケーブル押付溝７２ｂに嵌め込まれる。   Reference numeral 220 denotes an EMI filter, which is attached with the cable 210 interposed therebetween, and is fitted in the filter housing recess 72 together with a gap sealant 250 such as a heat insulating sheet. In a state where the EMI filter 220 is fitted in the filter housing recess 72, the lead portion 211 of the cable 210 extending from the EMI filter 220 in the direction of the electrical component box 120 is fitted in the cable pressing groove 72a, and from the EMI filter 220 to the motor. The lead-out portion 212 extending in the direction of 40 is fitted into the cable pressing groove 72b.

ケーブル２１０の引出部２１２は、さらに、ケーブルガイド溝７３に嵌め込まれてから上方向（図１、図２では下方向）に伸びる。そして、このケーブル２１０の引出部２１２は、図１、図２に示すように、ドレンパン７０の内周縁部７１の上面７１ｃで下方向（化粧板８０の方向）に折り返され、さらに上方向（天板１１の方向）に折り返される。   The lead-out portion 212 of the cable 210 further extends upward (downward in FIGS. 1 and 2) after being fitted into the cable guide groove 73. 1 and 2, the lead-out portion 212 of the cable 210 is folded downward (in the direction of the decorative plate 80) on the upper surface 71c of the inner peripheral edge 71 of the drain pan 70, and further upward (toward the ceiling). Folded in the direction of the plate 11).

つまり、ケーブル２１０のモータ４０の方向に伸びる引出部２１２には、互いに反対方向に２度折り返されることでトラップ部２１３が形成され、そのトラップ部２１３からモータ４０に向かう側は、熱交換器６０の内側近傍に沿って上方のケーブル固定具２４０に伸びる。   That is, the lead portion 212 of the cable 210 extending in the direction of the motor 40 is folded twice in opposite directions to form a trap portion 213, and the side from the trap portion 213 toward the motor 40 is the heat exchanger 60. Extends to the upper cable fixture 240 along the inner vicinity.

ケーブル２１０のトラップ部２１３のモータ４０側の折返し部分２１３ａは、ドレンパン７０の内周縁部７１の上面７１ｃに設けられた係止具７１ｄに対して係合されたクランプ２３０によって、係止されている。   The folded portion 213 a on the motor 40 side of the trap portion 213 of the cable 210 is locked by a clamp 230 engaged with a locking tool 71 d provided on the upper surface 71 c of the inner peripheral edge 71 of the drain pan 70. .

ケーブル固定具２４０は、筐体１０の天板１１にねじ止めされる横板２４１と、その横板２４１の熱交換器６０の内側に臨む側から下方向に伸びる縦板２４２とで構成され、側面視がＬ字形状である。そして、横板２４１の上面にはケーブル２１０をガイドするケーブルガイド溝２４１ａが形成され、縦板２４２の外側（熱交換器６０を向く側にもケーブル２１０をガイドするケーブルガイド溝２４２ａが形成されている。これにより、送風路に配置されるケーブル２１０が、横板２４１と縦板２４２によってガイドされ、そのケーブル２１０が垂れてターボファン５０と接触することが防止されている。   The cable fixture 240 includes a horizontal plate 241 that is screwed to the top plate 11 of the housing 10 and a vertical plate 242 that extends downward from the side facing the inside of the heat exchanger 60 of the horizontal plate 241. The side view is L-shaped. A cable guide groove 241a for guiding the cable 210 is formed on the upper surface of the horizontal plate 241, and a cable guide groove 242a for guiding the cable 210 is also formed on the outer side of the vertical plate 242 (the side facing the heat exchanger 60). Thus, the cable 210 disposed in the air passage is guided by the horizontal plate 241 and the vertical plate 242, and the cable 210 is prevented from dripping and coming into contact with the turbo fan 50.

このようにＥＭＩフィルタ２２０は、ドレンパン７０の内周縁部７１の下面７１ａのフィルタ収納凹部７２に隙間シール材２５０と共に収納される。そして、ベルマウス９０を組み込むことで、そのベルマウス９０の上面の周囲方向に形成されている肩部９１（図７参照）がドレンパン７０の内周縁部７１の下面７１ａに押し付けられるので、そのときＥＭＩフィルタ２２０も同様に押し付けられる。このため、そのＥＭＩフィルタ２２０にガタツキが発生することはなく、運転中に異音が発生することを防止できる。   As described above, the EMI filter 220 is housed together with the gap sealant 250 in the filter housing recess 72 on the lower surface 71 a of the inner peripheral edge 71 of the drain pan 70. Then, by incorporating the bell mouth 90, the shoulder portion 91 (see FIG. 7) formed in the circumferential direction of the upper surface of the bell mouth 90 is pressed against the lower surface 71a of the inner peripheral edge portion 71 of the drain pan 70. The EMI filter 220 is also pressed in the same manner. For this reason, backlash does not occur in the EMI filter 220, and it is possible to prevent abnormal noise during operation.

また、ケーブル２１０の、ＥＭＩフィルタ２２０の装着部分からモータ４０に向かう引出部２１２は、ドレンパン７０の内周縁部７１の内周壁７１ｂに形成されたケーブルガイド溝７３内に嵌め込まれるので、ケーブル２１０のこの引出部２１２について、送風による振動発生が防止されて異音が発生することがなく、送風抵抗も生じない。   Further, the lead portion 212 of the cable 210 from the mounting portion of the EMI filter 220 toward the motor 40 is fitted into the cable guide groove 73 formed in the inner peripheral wall 71b of the inner peripheral edge portion 71 of the drain pan 70. The drawer 212 is prevented from generating vibrations due to blowing, so that no abnormal noise is generated and blowing resistance is not generated.

また、ケーブルガイド溝７３からモータ４０に向かうケーブル２１０の引出部２１２は、ドレンパン７０の内周縁部７１の上面７１ｃに位置する部分においてクランプ２３０によって保持されたトラップ部２１３を有する。このため、ケーブル固定具２４０の側からケーブル２１０を伝わって流れてきた結露水は、トラップ部２１３の折返し部分２１３ａからＥＭＩフィルタ２２０に向かう方向は上方向となるのでその方向には流れることができず、ドレンパン７０の回収溝７４（図７参照）に落下して溜まる。よって、その結露水がドレンパン７０を迂回して下方へ落下すること、つまり室内に落下することが防止される。   Further, the lead-out portion 212 of the cable 210 from the cable guide groove 73 toward the motor 40 has a trap portion 213 held by the clamp 230 at a portion located on the upper surface 71 c of the inner peripheral edge portion 71 of the drain pan 70. For this reason, the dew condensation water that has flowed along the cable 210 from the cable fixture 240 side can flow in that direction because the direction from the folded portion 213a of the trap portion 213 toward the EMI filter 220 is upward. Instead, it falls into the collecting groove 74 (see FIG. 7) of the drain pan 70 and accumulates. Therefore, it is prevented that the condensed water detours around the drain pan 70 and falls downward, that is, falls into the room.

また、モータ４０直近のケーブル２１０は、ケーブル固定具２４０によって、天板１１の裏面に沿って押し付けられるので、そのケーブル２１０が垂れてターボファン５０と接触することが防止されている。また、ケーブル２１０にぐらつきは発生せずその固定が確実になり、ターボファン５０の回転の際の振動の影響を受けることもない。また天板１１の裏面におけるケーブル２１０の取り付けにおいて多数のクリップを使用する必要がなくなり、作業が容易となる。   Further, since the cable 210 closest to the motor 40 is pressed along the back surface of the top plate 11 by the cable fixture 240, the cable 210 is prevented from dripping and coming into contact with the turbo fan 50. Further, the cable 210 does not wobble, and the fixing thereof is ensured, and the cable 210 is not affected by vibration when the turbo fan 50 rotates. In addition, it is not necessary to use a large number of clips when attaching the cable 210 on the back surface of the top plate 11, and the work becomes easy.

１０：筐体、１１：天板、１２：側板
２０：断熱材
３０：フック
４０：モータ、４１：出力軸
５０：ターボファン
６０：熱交換器
７０：ドレンパン、７１：内周縁部、７１ａ：下面、７１ｂ：内周壁、７１ｃ：上面、７１ｄ：係止具、７２：フィルタ収納凹部、７２ａ，７２ｂ：ケーブル押付溝、７３：ケーブルガイド溝、７４：開口部
８０：化粧パネル、８１：空気吸込口、８２：空気吹出口
９０：ベルマウス、９１：肩部
１００：送風ガイド
１１０：フィルタ
１２０：電装品箱
１３０：室内天井板
２１０：ケーブル、２１１，２１２：引出部、２１３：トラップ部、２１３ａ：折返し部分
２２０：ＥＭＩフィルタ
２３０：クランプ
２４０：ケーブル固定具、２４１：横板、２４１ａ：ケーブルガイド溝、２４２：縦板、２４２ａ：ケーブルガイド溝
２５０：隙間シール材
２６０：風向弁

10: Housing, 11: Top plate, 12: Side plate 20: Thermal insulation material 30: Hook 40: Motor, 41: Output shaft 50: Turbo fan 60: Heat exchanger 70: Drain pan, 71: Inner peripheral edge, 71a: Lower surface 71b: inner peripheral wall, 71c: upper surface, 71d: locking tool, 72: filter housing recess, 72a, 72b: cable pressing groove, 73: cable guide groove, 74: opening 80: decorative panel, 81: air inlet 82: Air outlet 90: Bell mouth 91: Shoulder part 100: Air guide 110: Filter 120: Electrical component box 130: Indoor ceiling board 210: Cable, 211, 212: Drawer part, 213: Trap part, 213a: Folded portion 220: EMI filter 230: Clamp 240: Cable fixing tool, 241: Horizontal plate, 241a: Cable guide groove, 242: Vertical plate, 242 a: Cable guide groove 250: Gap seal material 260: Wind direction valve

Claims (3)

上面が天板で閉じられ側面が側板で閉じられ下面が開口した筐体と、中央に空気吸込口が設けられ該空気吸込口の周囲に空気吹出口が設けられ前記筐体の前記下面に取り付けられる化粧パネルと、前記筐体の前記天板に取り付けられるモータと、該モータによって回転駆動される送風装置と、前記空気吸込口から吸い込まれる空気を前記送風装置にガイドするベルマウスと、前記送風装置によって前記空気吸込口から吸い込まれ前記空気吹出口に吹き出される途中の空気に対して冷媒との間で熱交換を行う熱交換器と、該熱交換器で生じた結露水を集めるドレンパンと、前記モータを含む各種電装品を制御する電装品箱と、を備えた天井埋込型空気調和機において、
前記ドレンパンの内周縁部の内周壁の上下方向にケーブルガイド溝が形成され、前記電装品箱と前記モータとを接続するケーブルが前記ケーブルガイド溝に嵌め込まれ、
前記ケーブルのうち、前記ケーブルガイド溝から前記モータの方向に伸びる部分に、互いに反対方向に２度折り返して形成したトラップ部が形成され、該トラップ部の前記モータ側の折返し部分が前記ドレンパンの前記内周縁部の上面に係止されていることを特徴とする天井埋込型空気調和機。 A case where the upper surface is closed by the top plate, the side surface is closed by the side plate, and the lower surface is opened, and an air inlet is provided in the center, and an air outlet is provided around the air inlet and is attached to the lower surface of the case A decorative panel, a motor attached to the top plate of the housing, a blower that is rotationally driven by the motor, a bell mouth that guides the air sucked from the air suction port to the blower, and the blower A heat exchanger that exchanges heat with the refrigerant for the air that is sucked from the air suction port and blown out to the air blowout port by a device, and a drain pan that collects dew condensation water generated in the heat exchanger; In the ceiling-embedded air conditioner equipped with an electrical component box for controlling various electrical components including the motor,
A cable guide groove is formed in the vertical direction of the inner peripheral wall of the inner peripheral edge of the drain pan, and a cable connecting the electrical component box and the motor is fitted into the cable guide groove,
A trap portion formed by folding twice in opposite directions is formed in a portion of the cable extending from the cable guide groove in the direction of the motor, and the folded portion on the motor side of the trap portion is the drain pan of the drain pan. A ceiling-embedded air conditioner that is locked to the upper surface of the inner peripheral edge. 請求項１に記載の天井埋込型空気調和機において、
前記ケーブルのうち、前記ドレンパンの前記内周縁部の前記上面に係止されている前記折返し部分から前記モータの方向に伸びる引出部が、ケーブル固定具によって前記筐体の前記天面の裏面に押し付けられていることを特徴とする天井埋込型空気調和機。 The ceiling-embedded air conditioner according to claim 1,
Of the cable, a lead-out portion extending in the direction of the motor from the folded portion locked to the upper surface of the inner peripheral edge of the drain pan is pressed against the back surface of the top surface of the casing by a cable fixture. A ceiling-embedded air conditioner characterized by 請求項２に記載の天井埋込型空気調和機において、
前記ケーブル固定具は、前記ケーブルを前記筐体の前記天面の裏面に押し付ける横板と、該横板の端部に立設され前記ケーブルを前記熱交換器の近傍にガイドする縦板とからなることを特徴とする天井埋込型空気調和機。 The ceiling-embedded air conditioner according to claim 2,
The cable fixture includes: a horizontal plate that presses the cable against the back surface of the top surface of the housing; and a vertical plate that stands on the end of the horizontal plate and guides the cable to the vicinity of the heat exchanger. A ceiling-embedded air conditioner characterized by
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CN107453299A (en) * 2017-08-07 2017-12-08 珠海格力电器股份有限公司 A kind of routing device and electrical appliance kit and air conditioner
WO2018098864A1 (en) * 2016-11-30 2018-06-07 芜湖美智空调设备有限公司 Air guide ring structure, air conditioner indoor unit and air conditioner
WO2019061915A1 (en) * 2017-09-27 2019-04-04 格力电器（武汉）有限公司 Air outlet structure and air-conditioner

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WO2018098864A1 (en) * 2016-11-30 2018-06-07 芜湖美智空调设备有限公司 Air guide ring structure, air conditioner indoor unit and air conditioner
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WO2019061915A1 (en) * 2017-09-27 2019-04-04 格力电器（武汉）有限公司 Air outlet structure and air-conditioner

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