JP2005016932A - Ceiling embedded air conditioner - Google Patents

Ceiling embedded air conditioner Download PDF

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Publication number
JP2005016932A
JP2005016932A JP2004112830A JP2004112830A JP2005016932A JP 2005016932 A JP2005016932 A JP 2005016932A JP 2004112830 A JP2004112830 A JP 2004112830A JP 2004112830 A JP2004112830 A JP 2004112830A JP 2005016932 A JP2005016932 A JP 2005016932A
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Japan
Prior art keywords
ceiling
indoor unit
main body
grill
air conditioner
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JP2004112830A
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Japanese (ja)
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Takuro Nishihara
卓郎 西原
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Sanyo Electric Co Ltd
Sanyo Air Conditioners Co Ltd
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Sanyo Electric Co Ltd
Sanyo Air Conditioners Co Ltd
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Priority to JP2004112830A priority Critical patent/JP2005016932A/en
Priority to CNB2004100478471A priority patent/CN1272583C/en
Publication of JP2005016932A publication Critical patent/JP2005016932A/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ceiling embedded air conditioner capable of miniaturizing an indoor machine main body in the ceiling embedded air conditioner comprising a device for lifting and lowering a lifting grill. <P>SOLUTION: This ceiling embedded air conditioner comprises the indoor machine main body 1 installed in a ceiling, a grill frame 21 comprising an air suction port 22 and a blowout port 23, and mounted on a lower end of the indoor machine main body for covering an opening part of a ceiling plate 6, the lifting grill 31 positioned at the suction port of the grill frame in a lifted state, and comprising a detachable filter 41, and the lifting and lowering device 36 for lifting and lowering the lifting grill by taking up and paying out a hanger rope 33. The lifting and lowering device is located on the grill at an outer side of a jacket plate 2 of the indoor machine main body. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、天井埋込型空気調和装置に関する。   The present invention relates to a ceiling-embedded air conditioner.

従来、天井埋込型空気調和装置には、たとえば特許文献１や特許文献２に記載されているように、フィルターを掃除したり、或いはフィルターを交換するために、昇降装置でフィルターが設けられた昇降グリルを上下動可能にしている。
特開２００２−３４９８９３号公報 特開平１０−１９６９９８号公報 2. Description of the Related Art Conventionally, ceiling-embedded air conditioners have been provided with a lifting device in order to clean the filter or replace the filter, as described in, for example, Patent Document 1 and Patent Document 2. The lifting grill can be moved up and down.
JP 2002-349893 A Japanese Patent Laid-Open No. 10-196998

ところで、上記昇降装置は、室内機本体の外装板よりも内側に配置されている。そのため、室内機本体の内部空間に、昇降装置を配置するスペースを確保する必要があり、室内機本体が大型化してしまうことになる。また、天井板には、室内機本体を取り付けるための開口が形成されているが、天井板の開口と室内機本体との間の隙間は、室内機本体の取付作業のために比較的大きくなっている。しかしながら、この天井板の開口と室内機本体との間の空間は有効活用されていなかった。   By the way, the said raising / lowering apparatus is arrange | positioned inside the exterior plate of an indoor unit main body. Therefore, it is necessary to secure a space for arranging the lifting device in the internal space of the indoor unit main body, and the indoor unit main body is increased in size. In addition, an opening for attaching the indoor unit main body is formed in the ceiling plate, but the gap between the ceiling plate opening and the indoor unit main body is relatively large due to the installation work of the indoor unit main body. ing. However, the space between the ceiling plate opening and the indoor unit main body has not been effectively utilized.

本発明は、以上のような課題を解決するためのもので、昇降グリルを昇降させる昇降装置を備えた天井埋込型空気調和装置において、室内機本体を極力コンパクトにすることができる天井埋込型空気調和装置を提供することを目的としている。   The present invention is for solving the above-described problems, and in a ceiling-embedded air conditioner equipped with a lifting device that lifts and lowers a lifting grill, the indoor unit body can be made as compact as possible. It aims at providing a type air harmony device.

請求項１に記載の発明は、天井内に設置される室内機本体と、空気吸込口および吹出口を具備するとともに、室内機本体の下端に取り付けられて天井板の開口部を覆うグリル枠と、上昇時には前記グリル枠の吸込口に位置するとともに、フィルターを着脱可能に具備する昇降グリルと、昇降グリルに取り付けられた吊りひもを巻取り・繰り出しすることにより昇降グリルを昇降させる昇降装置とを備えている。そして、前記昇降装置がグリル枠上で、かつ、室内機本体の外装板よりも外側に配置されていることを特徴とする。   The invention according to claim 1 is provided with an indoor unit main body installed in the ceiling, an air inlet and an outlet, and a grille frame attached to the lower end of the indoor unit main body and covering the opening of the ceiling plate. An elevating grill that is positioned at the suction port of the grill frame when it is raised and that is detachably equipped with a filter, and an elevating device that raises and lowers the elevating grill by winding and unwinding a hanging string attached to the elevating grill. I have. And the said raising / lowering apparatus is arrange | positioned on the outer side rather than the exterior board of the indoor unit main body on a grill frame.

請求項２に記載の発明は、請求項１に記載の天井埋込型空気調和装置において、前記室内機本体は、側面の前後にそれぞれ固定部が設けられ、これら固定部で室内機本体が天井内の構造体に固定されており、前記昇降装置は、前記室内機本体における前後の固定部の間に配置さ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 indoor unit main body is provided with fixing portions on the front and rear sides, respectively, and the indoor unit main body is mounted on the ceiling by these fixing portions. It is fixed to the internal structure, The said raising / lowering apparatus is arrange | positioned between the fixing parts before and behind in the said indoor unit main body.

請求項３に記載の発明は、請求項１に記載の天井埋込型空気調和装置において、前記室内機本体は、内部に電装箱が設けられ、この電装箱に隣接して前記昇降装置が配置されていることを特徴とする。   According to a third aspect of the present invention, in the ceiling-embedded air conditioner according to the first aspect, the indoor unit main body is provided with an electrical box inside, and the lifting device is disposed adjacent to the electrical box. It is characterized by being.

請求項４に記載の発明は、請求項３に記載の天井埋込型空気調和装置において、前記室内機本体は、前記電装箱が配置されている側の反対側に、冷媒配管用の接続口が配置されていることを特徴とする。   According to a fourth aspect of the present invention, in the ceiling-embedded air conditioner according to the third aspect, the indoor unit main body has a connection port for refrigerant piping on the side opposite to the side where the electrical box is disposed. Is arranged.

請求項５に記載の発明は、請求項１に記載の天井埋込型空気調和装置において、前記昇降装置は、３本の吊りひもを有し、これら３本の吊りひものうち、２本が前記昇降グリルの前側又は後側の一方の側の両端部に取り付けられ、残りの１本が昇降グリルの前側又は後側の他方の側の中央部に取り付けられていることを特徴とする。   According to a fifth aspect of the present invention, in the ceiling-embedded air conditioner according to the first aspect, the elevating device has three hanging strings, and two of the three hanging strings are It is attached to both ends of one side of the front or rear side of the elevating grill, and the remaining one is attached to the central part of the other side of the front side or rear side of the elevating grill.

請求項６に記載の発明は、請求項１に記載の天井埋込型空気調和装置において、前記吹出口は吸込口を挟んで前後に一対、左右方向に長く設けられ、前記昇降装置は、吸込口の横側で、かつ、前後の吹出口の延長線上の間に配置されることを特徴する。   According to a sixth aspect of the present invention, in the ceiling-embedded air conditioner according to the first aspect, the air outlet is provided long in the front-rear direction with the air inlet interposed therebetween, and the lifting device is It is characterized by being arranged on the side of the mouth and on the extension line of the front and rear outlets.

本発明によれば、昇降装置がグリル枠上で、かつ、室内機本体の外装板よりも外側に配置されているので、天井板の開口部と室内機本体との隙間を有効利用することができる。その結果、室内機本体をコンパクトにすることができる。   According to the present invention, since the lifting device is disposed on the grill frame and outside the exterior plate of the indoor unit main body, it is possible to effectively use the gap between the opening of the ceiling plate and the indoor unit main body. it can. As a result, the indoor unit body can be made compact.

また、昇降装置が、室内機本体側面の前後の固定部の間に配置されている場合には、前後の固定部間の空間を有効利用することができる。   Moreover, when the raising / lowering apparatus is arrange | positioned between the fixing parts before and behind the indoor unit main body side surface, the space between the fixing parts before and behind can be used effectively.

さらに、室内機本体の電装箱に隣接して昇降装置が配置されている場合には、電装箱と昇降装置との配線を短くすることができるとともに、取付作業が簡単となる。   Furthermore, when the lifting device is arranged adjacent to the electrical box of the indoor unit main body, the wiring between the electrical box and the lifting device can be shortened, and the mounting operation is simplified.

そして、電装箱が配置されている側とは反対側に、冷媒配管用の接続口が配置されている場合には、冷媒配管用の接続口が、昇降装置の設置の妨げになることを防止することができる。   And, when the connection port for the refrigerant pipe is arranged on the side opposite to the side where the electrical box is arranged, the connection port for the refrigerant pipe prevents the installation of the lifting device from being hindered. can do.

また、３本の吊りひもを有し、これら３本の吊りひものうち、２本が前記昇降グリルの前側又は後側の一方の側の両端部に取り付けられ、残りの１本が昇降グリルの前側又は後側の他方の側の中央部に取り付けられている場合には、少ない本数の吊りひもで安定して昇降グリルを上下動することができる。   Moreover, it has three hanging straps, two of these three hanging straps are attached to both ends of one side of the front side or the rear side of the lifting grill, and the remaining one is a lifting grille When it is attached to the central portion on the other side of the front side or the rear side, the lifting grill can be moved up and down stably with a small number of suspension strings.

次に、本発明における天井埋込型空気調和装置の実施の一形態を図１ないし図４を用いて説明する。図１は本発明における天井埋込型空気調和装置の実施の一形態の斜視図である。図２はグリル枠、フィルターおよび昇降グリルの分解斜視図である。図３は室内機本体の底面図である。図４は天井埋込型空気調和装置の部材の位置関係を示す説明図である。なお、図１において、昇降グリルはグリル枠に取り付けられた状態と、下降した状態の両方の状態で図示されている。また、図３において、グリル枠および昇降装置は二点鎖線で図示されている。さらに、図４において、電装箱が二点鎖線で図示され、吊りひもおよび昇降装置内の巻取りドラムは破線で図示されている。そして、この明細書において、天井埋込型空気調和装置の長手方向を左右方向としている。   Next, an embodiment of a ceiling-embedded air conditioner according to the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of an embodiment of a ceiling-embedded air conditioner according to the present invention. FIG. 2 is an exploded perspective view of the grill frame, the filter, and the lifting grill. FIG. 3 is a bottom view of the indoor unit main body. FIG. 4 is an explanatory view showing the positional relationship of members of the ceiling-embedded air conditioner. In FIG. 1, the elevating grill is shown in both a state where it is attached to the grill frame and a state where it is lowered. In FIG. 3, the grill frame and the lifting device are shown by two-dot chain lines. Further, in FIG. 4, the electrical box is illustrated by a two-dot chain line, and the suspension string and the winding drum in the lifting device are illustrated by a broken line. In this specification, the longitudinal direction of the ceiling-embedded air conditioner is the left-right direction.

天井埋込型空気調和装置の室内機本体１の外装板２には、その左右両側面の前後に固定部としての固定フランジ３が総計４個設けられている。被空調室の天井板６には、室内機本体１を下側から天井内に設置することが可能なように開口部７が形成される。この開口部７は略四角形をしており、図３に図示するように、平面図視で、固定フランジ３が設けられている室内機本体１よりも大きく形成されている。   The exterior plate 2 of the indoor unit main body 1 of the ceiling-embedded air conditioner is provided with a total of four fixing flanges 3 as fixing portions before and after the left and right side surfaces. An opening 7 is formed in the ceiling plate 6 of the air-conditioned room so that the indoor unit body 1 can be installed in the ceiling from below. As shown in FIG. 3, the opening 7 is formed larger than the indoor unit body 1 provided with the fixing flange 3 in plan view.

また、アンカーボルト９が天井内の構造体（図示しない）に取り付けられており、このアンカーボルト９の下端部に室内機本体１の固定フランジ３を固定することにより、室内機本体１は天井内に設置される。   An anchor bolt 9 is attached to a structure (not shown) in the ceiling, and the fixing flange 3 of the indoor unit main body 1 is fixed to the lower end portion of the anchor bolt 9 so that the indoor unit main body 1 is installed in the ceiling. Installed.

室内機本体１は、内部に熱交換器（図示しない）および送風機（図示しない）を具備しており、冷媒配管用の接続口１１およびドレン用の接続口１２が、室内機本体１の外装板２から外側に突出して設けられている。冷媒配管用の接続口１１は、冷媒配管１３で室外機（図示しない）に接続される。また、ドレン用の接続口１２にはドレン配管１４が接続される。そして、室内機本体１の底面には、吸込口１６および吹出口１７が形成されている。吸込口１６は室内機本体１の底面の中央部に設けられ、この吸込口１６を挟んで前後に吹出口１７が一対に設けられている。この吹出口１７は左右方向に長く設けられている。また、室内機本体１の電装箱１８は外装板２の内側に設けられるとともに、接続口１１，１２とは反対側に配置されている。   The indoor unit body 1 includes a heat exchanger (not shown) and a blower (not shown) inside, and the connection port 11 for the refrigerant pipe and the connection port 12 for the drain are the exterior plates of the indoor unit body 1. 2 to protrude outward. The refrigerant pipe connection port 11 is connected to an outdoor unit (not shown) through a refrigerant pipe 13. A drain pipe 14 is connected to the drain connection port 12. And the suction inlet 16 and the blower outlet 17 are formed in the bottom face of the indoor unit main body 1. FIG. The suction port 16 is provided at the center of the bottom surface of the indoor unit body 1, and a pair of air outlets 17 are provided on the front and rear sides of the suction port 16. This blower outlet 17 is provided long in the left-right direction. The electrical box 18 of the indoor unit body 1 is provided inside the exterior plate 2 and is disposed on the opposite side to the connection ports 11 and 12.

天井板６の開口部７および室内機本体１の下方は、グリル枠２１で覆われている。このグリル枠２１は、室内機本体１の吸込口１６および吹出口１７に対応する位置に、吸込口２２および吹出口２３を具備している。すなわち、吸込口２２はグリル枠２１の中央部に設けられ、この吸込口２２を挟んで前後に吹出口２３が一対に設けられている。この吹出口２３は左右方向に長く設けられている。グリル枠２１は室内機本体１のグリル係止具２６を利用して室内機本体１に取り付けられている。   The opening 7 of the ceiling plate 6 and the lower part of the indoor unit main body 1 are covered with a grill frame 21. The grill frame 21 includes an inlet 22 and an outlet 23 at positions corresponding to the inlet 16 and the outlet 17 of the indoor unit body 1. That is, the suction port 22 is provided at the center of the grill frame 21, and a pair of air outlets 23 are provided on the front and rear sides of the suction port 22. This blower outlet 23 is provided long in the left-right direction. The grill frame 21 is attached to the indoor unit body 1 using the grill locking tool 26 of the indoor unit body 1.

グリル枠２１の吸込口２２には、昇降グリル３１が配設されている。この昇降グリル３１には、前側の左右および後側の中央部に吊りひも３３が各々取り付けられている。計３本の吊りひも３３の上端は、グリル枠２１の上に設けられている昇降装置３６の巻取りドラム３７に各々取り付けられている。昇降装置３６の外郭を構成するケースは略直方体の箱形状をしており、そのケースの内側に複数の巻取りドラム３７や、この巻取りドラム３７を回転駆動するモータ（図示しない）などが設けられている。巻取りドラム３７は吊りひも３３毎に設けられている。昇降装置３６はグリル枠２１の上面に取り付けられ、吸込口２２の横側で、かつ、前後の吹出口２３の延長線上の間に配置されている。そして、グリル枠２１が室内機本体１に取り付けられた状態では、昇降装置３６は室内機本体１の外装板２を介して電装箱１８に隣接しているとともに、前後の固定フランジ３の間に位置している。昇降装置３６が稼働して、吊りひも３３を巻取り・繰り出しすると、昇降グリル３１は上下方向に移動する。この昇降グリル３１にフィルター４１が着脱可能に取り付けられており、フィルター４１を着脱する際には、昇降グリル３１を下降させ、また、空気調和の際には、昇降グリル３１を上昇させて吸込口２２に配設する。そして、グリル枠２１の吸込口２２から吸い込まれた空気は、室内機本体１の熱交換器で冷却または加熱されて、グリル枠２１の前後の吹出口２３から吹き出される。   An elevating grill 31 is disposed at the suction port 22 of the grill frame 21. Suspension strings 33 are attached to the elevating grill 31 at the front left and right and the rear center. The upper ends of the three suspension strings 33 are respectively attached to the winding drums 37 of the lifting device 36 provided on the grill frame 21. The case that forms the outline of the lifting device 36 has a substantially rectangular parallelepiped box shape, and a plurality of winding drums 37 and a motor (not shown) that rotationally drives the winding drums 37 are provided inside the case. It has been. A winding drum 37 is provided for each suspension string 33. The elevating device 36 is attached to the upper surface of the grill frame 21 and is disposed on the side of the suction port 22 and on the extension line of the front and rear outlets 23. When the grill frame 21 is attached to the indoor unit body 1, the lifting device 36 is adjacent to the electrical box 18 via the exterior plate 2 of the indoor unit body 1, and between the front and rear fixed flanges 3. positioned. When the lifting and lowering device 36 is operated and the suspension string 33 is wound and unwound, the lifting and lowering grill 31 moves in the vertical direction. A filter 41 is detachably attached to the elevating grill 31. When the filter 41 is attached / detached, the elevating grill 31 is lowered, and when air conditioning is performed, the elevating grill 31 is raised to suck in the inlet. 22 is disposed. The air sucked from the suction port 22 of the grill frame 21 is cooled or heated by the heat exchanger of the indoor unit body 1 and blown out from the front and rear outlets 23 of the grill frame 21.

前述の様に、上記実施の形態においては、昇降装置３６は電装箱１８に隣接しており、簡単に互いに短い電気配線で接続することができるとともに、工事が簡単になる。また、天井板６の開口部７と室内機本体１との間の空間に昇降装置３６が設置されており、天井板６の開口部７と室内機本体１との間の隙間を有効利用することができ、室内機本体１をコンパクトとすることができる。   As described above, in the above-described embodiment, the lifting device 36 is adjacent to the electrical equipment box 18 and can be easily connected to each other with short electrical wiring, and the construction is simplified. In addition, a lifting device 36 is installed in a space between the opening 7 of the ceiling panel 6 and the indoor unit body 1, and the gap between the opening 7 of the ceiling panel 6 and the indoor unit body 1 is effectively used. The indoor unit body 1 can be made compact.

さらに、昇降装置３６の外郭を構成するケースは略直方体の箱形状をしており、グリル枠２１を室内機本体１に取り付ける際に、昇降装置３６を天井板６の開口部７と室内機本体１との間の空間に容易に差し込むことができる。万一、昇降装置３６にケースが設けられず、昇降装置３６の巻取りドラム３７やその駆動機構などが露出していると、巻取りドラム３７やその駆動機構などが作業中に他の部材などに引っ掛かるおそれがある。   Further, the case constituting the outer shell of the lifting device 36 has a substantially rectangular parallelepiped box shape. When the grill frame 21 is attached to the indoor unit main body 1, the lifting device 36 is connected to the opening 7 of the ceiling plate 6 and the indoor unit main body. 1 can be easily inserted into the space between the two. If the lifting device 36 is not provided with a case, and the winding drum 37 and its driving mechanism of the lifting device 36 are exposed, the winding drum 37 and its driving mechanism and the like are in operation while other members are in use. There is a risk of getting caught.

以上、本発明の実施の形態を詳述したが、本発明は、前記実施の形態に限定されるものではなく、特許請求の範囲に記載された本発明の要旨の範囲内で、種々の変更を行うことが可能である。本発明の変更例を下記に例示する。
（１）吊りひも３３は、前側に２本、後側に１本であるが、前後を逆にして、前側に１本、後側に２本とすることも可能である。また、吊りひも３３の本数を変更することも可能である。たとえば、４本とすることも可能である。ただし、３本にすることがコスト上好ましい。
（２）昇降装置３６は、吊りひも３３を巻き上げ・繰り出しができるならば、その構造や形式は適宜変更可能である。
（３）吹出口２３は前側および後側の２か所に設けられているが、その個数や配置箇所などは適宜変更可能であり、たとえば、配置箇所を１か所にすることも可能である。
（４）室内機本体１を天井内の構造体に支持させるための固定手段は適宜変更可能である。 Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the gist of the present invention described in the claims. Can be done. Examples of modifications of the present invention are illustrated below.
(1) The number of the hanging straps 33 is two on the front side and one on the rear side, but it is also possible to reverse the front / rear direction so that there is one on the front side and two on the rear side. It is also possible to change the number of the hanging straps 33. For example, the number can be four. However, it is preferable in terms of cost to use three.
(2) If the lifting / lowering device 36 can wind and unwind the hanging string 33, its structure and form can be changed as appropriate.
(3) The air outlets 23 are provided at two locations on the front side and the rear side, but the number, arrangement location, and the like can be appropriately changed. For example, the arrangement location can be one. .
(4) The fixing means for supporting the indoor unit body 1 on the structure inside the ceiling can be changed as appropriate.

図１は本発明における天井埋込型空気調和装置の実施の一形態の斜視図である。FIG. 1 is a perspective view of an embodiment of a ceiling-embedded air conditioner according to the present invention. 図２はグリル枠、フィルターおよび昇降グリルの分解斜視図である。FIG. 2 is an exploded perspective view of the grill frame, the filter, and the lifting grill. 図３は室内機本体の底面図である。FIG. 3 is a bottom view of the indoor unit main body. 図４は天井埋込型空気調和装置の部材の位置関係を示す説明図である。FIG. 4 is an explanatory view showing the positional relationship of members of the ceiling-embedded air conditioner.

符号の説明Explanation of symbols

１ 室内機本体
２ 室内機本体の外装板
３ 固定フランジ（固定部）
６ 天井板
７ 天井板の開口部
１１ 冷媒配管用の接続口
１８ 電装箱
２１ グリル枠
２２ グリル枠の吸込口
２３ グリル枠の吹出口
３１ 昇降グリル
３３ 吊りひも
３６ 昇降装置
４１ フィルター 1 Indoor unit body 2 Exterior panel of indoor unit body 3 Fixed flange (fixed part)
6 Ceiling plate 7 Ceiling plate opening 11 Refrigerant piping connection port 18 Electrical box 21 Grill frame 22 Grill frame suction port 23 Grill frame outlet 31 Lift grill 33 Suspension string 36 Lift device 41 Filter

Claims (6)

天井内に設置される室内機本体と、
空気吸込口および吹出口を具備するとともに、室内機本体の下端に取り付けられて天井板の開口部を覆うグリル枠と、
上昇時には前記グリル枠の吸込口に位置するとともに、フィルターを着脱可能に具備する昇降グリルと、
昇降グリルに取り付けられた吊りひもを巻取り・繰り出しすることにより昇降グリルを昇降させる昇降装置とを備え、
前記昇降装置がグリル枠上で、かつ、室内機本体の外装板よりも外側に配置されていることを特徴とする天井埋込型空気調和装置。 An indoor unit installed in the ceiling,
A grille frame having an air inlet and an outlet and attached to the lower end of the indoor unit main body to cover the opening of the ceiling plate;
An elevating grill that is positioned at the suction port of the grill frame when ascending and includes a filter detachably,
A lifting device that lifts and lowers the lifting grille by winding and unwinding a hanging string attached to the lifting grille,
The ceiling-embedded air conditioner characterized in that the lifting device is disposed on the grill frame and outside the exterior plate of the indoor unit body. 前記室内機本体は、側面の前後にそれぞれ固定部が設けられ、これら固定部で室内機本体が天井内の構造体に固定されており、
前記昇降装置は、前記室内機本体における前後の固定部の間に配置されていることを特徴とする請求項１記載の天井埋込型空気調和装置。 The indoor unit main body is provided with fixing portions on the front and rear sides, respectively, and the indoor unit main body is fixed to the structure inside the ceiling with these fixing portions,
The ceiling-embedded air conditioner according to claim 1, wherein the lifting device is disposed between front and rear fixed portions of the indoor unit main body. 前記室内機本体は、内部に電装箱が設けられ、この電装箱に隣接して前記昇降装置が配置されていることを特徴とする請求項１に記載の天井埋込型空気調和装置。 2. The ceiling-embedded air conditioner according to claim 1, wherein the indoor unit main body is provided with an electrical box inside, and the lifting device is disposed adjacent to the electrical box. 前記室内機本体は、前記電装箱が配置されている側の反対側に、冷媒配管用の接続口が配置されていることを特徴とする請求項３に記載の天井埋込型空気調和装置。 4. The ceiling-embedded air conditioner according to claim 3, wherein the indoor unit main body has a refrigerant pipe connection port disposed on a side opposite to the side on which the electrical box is disposed. 前記昇降装置は、３本の吊りひもを有し、これら３本の吊りひものうち、２本が前記昇降グリルの前側又は後側の一方の側の両端部に取り付けられ、残りの１本が昇降グリルの前側又は後側の他方の側の中央部に取り付けられていることを特徴とする請求項１に記載の天井埋込型空気調和装置。 The lifting device has three suspension strings, and two of the three suspension strings are attached to both ends of one of the front and rear sides of the lifting grill, and the remaining one is The ceiling-embedded air conditioner according to claim 1, wherein the ceiling-embedded air conditioner is attached to a central portion on the other side of the front side or rear side of the lifting grill. 前記吹出口は吸込口を挟んで前後に一対、左右方向に長く設けられ、
前記昇降装置は、吸込口の横側で、かつ、前後の吹出口の延長線上の間に配置されることを特徴する請求項１に記載の天井埋込型空気調和装置。 The air outlets are provided long in the left-right direction with a pair of front and rear across the suction port,
2. The ceiling-embedded air conditioner according to claim 1, wherein the lifting device is disposed on a side of the suction port and between extension lines of the front and rear outlets.
JP2004112830A 2003-05-30 2004-04-07 Ceiling embedded air conditioner Pending JP2005016932A (en)

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