JP2007278559A - Outdoor unit of air conditioner - Google Patents

Outdoor unit of air conditioner Download PDF

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JP2007278559A
JP2007278559A JP2006103107A JP2006103107A JP2007278559A JP 2007278559 A JP2007278559 A JP 2007278559A JP 2006103107 A JP2006103107 A JP 2006103107A JP 2006103107 A JP2006103107 A JP 2006103107A JP 2007278559 A JP2007278559 A JP 2007278559A
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connection valve
terminal block
outdoor unit
support plate
air conditioner
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JP4721943B2 (en
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Katsuo Suzuki
勝雄 鈴木
Sadaji Saito
貞治 斉藤
Kazuhiro Shimaoka
一博 嶋岡
Yumi Kusama
由実 草間
Takahiko Ukuchi
隆彦 宇口
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Sanyo Electric Co Ltd
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Sanyo Electric Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an outdoor unit of an air conditioner having superior maintenance performance. <P>SOLUTION: This outdoor unit of the air conditioner has a terminal block 29 connected with an interunit electric wiring 4A performing power source supply and communication with an indoor unit 2A, a terminal block mounting plate 28 on which the terminal block is mounted is disposed on an upper portion of a side portion in an outer package case 1A, a piping connection valve 20A is disposed to connect an interunit piping 4A for circulating a refrigerant to the indoor unit, a connection valve supporting plate supporting the piping connection valve is disposed at a lower portion of the side portion of the outer package case, and the connection valve supporting plate is vertically disposed on a bottom panel 24 of the outer package case. A side panel 27 constituting the side portion of the outer package case is provided with a continuous opening portion 31 opened at a lower end from an upper position corresponding to the terminal block mounting plate to a lower position corresponding to the connection valve supporting plate, and the terminal block and the piping connection valve are faced to the external through the continuous opening portion. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、室内等の被調和室を空気調和する空気調和装置に関し、特に室外機にユニット間配管及びユニット間電気配線を介して室内機が接続される分離型の空気調和装置の室外機に関する。   The present invention relates to an air conditioner that air-conditions a conditioned room such as a room, and more particularly to an outdoor unit of a separation type air conditioner in which an indoor unit is connected to an outdoor unit via inter-unit piping and inter-unit electrical wiring. .

従来、この種の空気調和装置の室外機において、室内機との間で電源供給或いは通信を行なうユニット間電気配線が接続される端子台を有し、この端子台が取り付けられた端子台取り付け板を外装ケース内の側面部の上部に配置すると共に、室内機との間で冷媒を循環させるユニット間配管を接続するための配管接続弁を有し、この配管接続弁が支持された接続弁支持板を外装ケースの側面部の下部に配置し、この接続弁支持板を前記外装ケースの底パネル上に立てて設けた空気調和装置の室外機が知られている（例えば、特許文献１、特許文献２及び特許文献３参照）。   Conventionally, in an outdoor unit of this type of air conditioner, there is a terminal block to which an inter-unit electrical wiring that performs power supply or communication with the indoor unit is connected, and a terminal block mounting plate to which this terminal block is attached Is disposed at the upper part of the side surface in the outer case, and has a pipe connection valve for connecting an inter-unit pipe that circulates the refrigerant between the indoor unit and the connection valve support in which the pipe connection valve is supported. There is known an outdoor unit of an air conditioner in which a plate is disposed at a lower portion of a side surface portion of an exterior case and the connection valve support plate is provided upright on a bottom panel of the exterior case (for example, Patent Document 1, Patent) Reference 2 and Patent Document 3).

また、一台の室外機に対し、例えば、３〜４台の室内機を接続するようにしたマルチ式の分離型空気調和装置も従来一般に知られている。
特開２０００−２６６３６５号公報 特開２００４−２４５５６８号公報 特開２００５−１８０７２５号公報 In addition, a multi-type separation type air conditioner in which, for example, 3 to 4 indoor units are connected to one outdoor unit is generally known.
JP 2000-266365 A JP 2004-245568 A JP 2005-180725 A

上記特許文献１〜３に記載された空気調和装置の室外機では、端子台を取り付けた端子台取り付け板を外装ケース内の側面部の上部に配置し、配管接続弁が支持された接続弁支持板を外装ケースの側面部の下部に配置し、そして、外装ケースの側面部を構成する側部パネルに、端子台取り付け板に対応する上部位置と接続弁支持板に対応する下部位置とにそれぞれ個別の開口部を形成し、こけら各開口部を介して端子台や配管接続弁を外部に臨ませる構成としている。   In the outdoor unit of the air conditioner described in Patent Literatures 1 to 3, a connection valve support in which a terminal block mounting plate with a terminal block mounted thereon is arranged at the upper part of the side surface in the exterior case and the pipe connection valve is supported. The plate is arranged at the lower part of the side part of the outer case, and the side panel constituting the side part of the outer case is divided into an upper position corresponding to the terminal block mounting plate and a lower position corresponding to the connection valve support plate, respectively. An individual opening is formed, and the terminal block and the pipe connection valve are exposed to the outside through each opening.

また、特許文献３に記載されているように、前記端子台には、ユニット間電気配線の端部をネジ止め接続している。さらに、接続弁支持板や端子台取り付け板を配置した機械室内には、圧縮機、四方弁、電動膨張弁などを含む各種冷凍サイクル構成部品や、インバータ装置などを含む電気制御箱が収容されている。   Moreover, as described in Patent Document 3, an end portion of the inter-unit electrical wiring is screwed to the terminal block. Furthermore, in the machine room where the connection valve support plate and the terminal block mounting plate are arranged, various refrigeration cycle components including a compressor, a four-way valve, an electric expansion valve, and an electric control box including an inverter device are accommodated. Yes.

そのため、空気調和装置の設置後に、機械室内に収容された圧縮機、四方弁、電動膨張弁などを含む各種冷凍サイクル構成部品や、インバータ装置などを含む電気制御箱を点検・修理する場合は、端子台にネジ止め接続されたユニット間電気配線を取り外さないと、外装ケースの底パネルに対して、側部パネルを取り外すことができず、メンテナンス性が悪いという問題があった。特に、一台の室外機に対し、３〜４台の室内機を接続するようにしたマルチ式の空気調和装置では、ユニット間電気配線の数がそれだけ多くなり、上記の問題点の解決が一層、望まれていた。   Therefore, after installing the air conditioner, when checking and repairing various refrigeration cycle components including the compressor, four-way valve, electric expansion valve, etc. housed in the machine room, and the electric control box including the inverter device, If the inter-unit electrical wiring screwed to the terminal block is not removed, the side panel cannot be removed from the bottom panel of the exterior case, and there is a problem that the maintainability is poor. In particular, in a multi-type air conditioner in which 3 to 4 indoor units are connected to one outdoor unit, the number of inter-unit electrical wirings increases accordingly, and the above problems are further solved. Was desired.

本発明は、上述の実情に鑑みてなされたものであり、外装ケースの側面部を構成する側部パネルに、端子台取り付け板に対応する上部位置から接続弁支持板に対応する下部位置にまで至る下端開放の連続開口部を形成し、この連続開口部を介して端子台及び配管接続弁を外部に臨ませる構成とすることにより、メンテナンス性に優れた空気調和装置の室外機を提供できるようにすることを目的としている。   The present invention has been made in view of the above situation, and from the upper position corresponding to the terminal block mounting plate to the lower position corresponding to the connection valve support plate on the side panel constituting the side surface portion of the exterior case. An outdoor unit of an air conditioner having excellent maintainability can be provided by forming a continuous opening with an open bottom and reaching the terminal block and the pipe connection valve through the continuous opening. The purpose is to be.

請求項１にかかる発明では、室内機との間で電源供給或いは通信を行なうユニット間電気配線が接続される端子台を有し、この端子台が取り付けられた端子台取り付け板を外装ケース内の側面部の上部に配置すると共に、室内機との間で冷媒を循環させるユニット間配管を接続するための配管接続弁を有し、この配管接続弁が支持された接続弁支持板を外装ケースの側面部の下部に配置し、この接続弁支持板を前記外装ケースの底パネル上に立てて設けた空気調和装置の室外機において、前記外装ケースの側面部を構成する側部パネルに、前記端子台取り付け板に対応する上部位置から前記接続弁支持板に対応する下部位置にまで至る下端開放の連続開口部を形成し、この連続開口部を介して前記端子台及び配管接続弁を外部に臨ませる構成としたことを特徴とする。   In the invention concerning Claim 1, it has a terminal block to which the electric wiring between units which supplies power or communicates with an indoor unit is connected, and the terminal block mounting plate to which this terminal block is attached is installed in the exterior case. It has a pipe connection valve for connecting an inter-unit pipe that circulates refrigerant to and from the indoor unit, and is arranged at the upper part of the side part, and the connection valve support plate that supports the pipe connection valve is attached to the exterior case. In the outdoor unit of the air conditioner, which is disposed at the lower part of the side part and provided with the connection valve support plate standing on the bottom panel of the outer case, the terminal is connected to the side panel constituting the side part of the outer case. A continuous opening having an open lower end is formed from an upper position corresponding to the base mounting plate to a lower position corresponding to the connection valve support plate, and the terminal block and the pipe connection valve are exposed to the outside through the continuous opening. Structure Characterized in that it was.

請求項２にかかる発明では、請求項１に記載の空気調和装置の室外機において、前記接続弁支持板と前記端子台取り付け板との間には、前記側部パネルとは別部品あって前記連続開口部の中間部を内側から塞ぐ閉塞板を設けたことを特徴とする。   In the invention concerning Claim 2, in the outdoor unit of the air conditioning apparatus of Claim 1, between the said connection valve support plate and the said terminal block attachment plate, there is a separate component from the said side panel, and the said The present invention is characterized in that a blocking plate is provided for closing the intermediate portion of the continuous opening from the inside.

請求項３にかかる発明では、請求項２に記載の空気調和装置の室外機において、前記閉塞板は、下部が前記接続弁支持板に固定され、かつ、上部が前記端子台取り付け板に固定されることを特徴とする。   According to a third aspect of the present invention, in the outdoor unit for an air conditioner according to the second aspect, the lower part of the closing plate is fixed to the connection valve support plate, and the upper part is fixed to the terminal block attaching plate. It is characterized by that.

請求項４にかかる発明では、請求項２に記載の空気調和装置の室外機において、前記閉塞板は、前記接続弁支持板の上部に接続弁支持板と一体成型されていることを特徴とする。   According to a fourth aspect of the present invention, in the outdoor unit for an air conditioner according to the second aspect, the closing plate is integrally formed with the connection valve support plate on the connection valve support plate. .

請求項５にかかる発明では、請求項１に記載の空気調和装置の室外機において、前記室内機を複数台接続可能としたことを特徴とする。   The invention according to claim 5 is characterized in that in the outdoor unit of the air conditioner according to claim 1, a plurality of the indoor units can be connected.

本発明によれば、前記外装ケースの側面部を構成する側部パネルに、前記端子台取り付け板に対応する上部位置から前記接続弁支持板に対応する下部位置にまで至る下端開放の連続開口部を形成し、この連続開口部を介して前記端子台及び配管接続弁を外部に臨ませる構成としたから、端子台に接続されたユニット間電気配線を取り外すことなく、外装ケースの底パネルに対して側部パネルを取り外すことが可能となり、メンテナンス性を向上させることができる。   According to the present invention, on the side panel constituting the side surface portion of the exterior case, a continuous opening portion having an open lower end extending from an upper position corresponding to the terminal block mounting plate to a lower position corresponding to the connection valve support plate. And the terminal block and the pipe connection valve are exposed to the outside through the continuous opening, so that the electric wiring between the units connected to the terminal block can be removed with respect to the bottom panel of the exterior case. Thus, the side panel can be removed and the maintainability can be improved.

本発明は、メンテナンス性に優れた空気調和装置の室外機を提供できるようにすることを目的として、室内機との間で電源供給或いは通信を行なうユニット間電気配線が接続される端子台を有し、この端子台が取り付けられた端子台取り付け板を外装ケース内の側面部の上部に配置すると共に、室内機との間で冷媒を循環させるユニット間配管を接続するための配管接続弁を有し、この配管接続弁が支持された接続弁支持板を外装ケースの側面部の下部に配置し、この接続弁支持板を前記外装ケースの底パネル上に立てて設けた空気調和装置の室外機において、前記外装ケースの側面部を構成する側部パネルに、前記端子台取り付け板に対応する上部位置から前記接続弁支持板に対応する下部位置にまで至る下端開放の連続開口部を形成し、この連続開口部を介して前記端子台及び配管接続弁を外部に臨ませる構成であり、以下に本発明の実施形態について説明する。   For the purpose of providing an outdoor unit for an air conditioner with excellent maintainability, the present invention has a terminal block to which electrical wiring between units for supplying power or communicating with the indoor unit is connected. In addition, the terminal block mounting plate with the terminal block attached is arranged on the upper part of the side surface in the outer case, and has a pipe connection valve for connecting the inter-unit pipe that circulates the refrigerant with the indoor unit. An outdoor unit of an air conditioner in which the connection valve support plate on which the pipe connection valve is supported is disposed below the side surface of the exterior case, and the connection valve support plate is provided upright on the bottom panel of the exterior case. In the side panel constituting the side surface portion of the exterior case, a continuous opening portion having a lower end opened from an upper position corresponding to the terminal block mounting plate to a lower position corresponding to the connection valve support plate is formed, Of and the terminal block through a continuous opening and the pipe connection valve configured to face the outside, will be described embodiments of the present invention are described below.

次に、本発明に係る空気調和装置の一実施例について、図１ないし図７に基づいて説明する。図１は本発明の一実施例を示す空気調和装置の全体構成を説明する説明図、図２は全体構成における冷凍サイクルの概略構成図、図３は保護カバーを外した状態の室外機の一部切欠斜視図、図４は要部拡大斜視図、図５は室外機の内部を説明する説明図、図６は外装ケースの側部パネル単体の斜視図、図７は閉塞板の斜視図である。   Next, an embodiment of an air conditioner according to the present invention will be described with reference to FIGS. FIG. 1 is an explanatory diagram for explaining the overall configuration of an air-conditioning apparatus according to an embodiment of the present invention, FIG. 2 is a schematic configuration diagram of a refrigeration cycle in the overall configuration, and FIG. 3 is an outdoor unit with a protective cover removed. 4 is an enlarged perspective view of the main part, FIG. 5 is an explanatory view for explaining the inside of the outdoor unit, FIG. 6 is a perspective view of the side panel of the exterior case, and FIG. 7 is a perspective view of the closing plate. is there.

図１ないし図７において、空気調和装置Ａは、室外に設置される１台の室外機１と、それぞれ室内に設置される４台の室内機２Ａ〜２Ｄとから構成され、これら複数台の室内機２Ａ〜２Ｄは、室外機１に対し、冷媒が流れるユニット間配管３Ａ〜３Ｈを介して配管接続されると共に、電源供給或いは通信を行なうユニット間電気配線４Ａ〜４Ｄを介して配線接続される概略構成である。   1 to 7, an air conditioner A is composed of one outdoor unit 1 installed outdoors and four indoor units 2A to 2D installed indoors. The units 2A to 2D are connected to the outdoor unit 1 via inter-unit piping 3A to 3H through which refrigerant flows, and are connected to each other via inter-unit electric wirings 4A to 4D for supplying power or communicating. It is a schematic configuration.

前記各室内機２Ａ〜２Ｄは、内部に室内側熱交換器及び室内側送風機（共に図示せず）を有し、室外機１からユニット間配管３Ａ〜３Ｄを介して供給された冷媒が室内側熱交換器に流れ、この室内側熱交換器を流れる冷媒の冷熱と室内側送風機で循環される室内機２Ａ〜２Ｄを設置した被調和室の室内空気とを熱交換させることにより、被調和室の空気調和を行なう。   Each of the indoor units 2A to 2D has an indoor heat exchanger and an indoor fan (both not shown) inside, and the refrigerant supplied from the outdoor unit 1 through the inter-unit pipes 3A to 3D is indoor side. The air to be conditioned is exchanged between the cold heat of the refrigerant flowing through the heat exchanger and the indoor air in the conditioned room in which the indoor units 2A to 2D circulated by the indoor fan are installed. Air conditioning.

前記室外機１は、略直方体状の外装ケース１Ａを有し、この外装ケース１Ａ内の左側部には、室外側熱交換器５及びこの室外側熱交換器５に外気を通過させる室外側送風機６が収容配置された熱交換室７が形成され、この熱交換室７と仕切り板８で仕切られた外装ケース１Ａ内の右側部には、冷媒を圧縮する回転数可変の圧縮機９、マフラー１０、冷媒流路を切り換える四方弁１１、ヘッダー１２、減圧装置としての４個の電動膨張弁１３Ａ〜１３Ｄ及びアキュムレータ１４、１５などを収容配置した機械室１６が形成されている。   The outdoor unit 1 has a substantially rectangular parallelepiped outer case 1A, and on the left side of the outer case 1A, an outdoor heat exchanger 5 and an outdoor fan that passes outside air through the outdoor heat exchanger 5 are provided. A heat exchange chamber 7 in which 6 is accommodated is formed, and a compressor 9 with a variable number of revolutions for compressing refrigerant and a muffler are disposed on the right side in the outer case 1A partitioned by the heat exchange chamber 7 and the partition plate 8. 10. A machine chamber 16 is formed in which a four-way valve 11 for switching the refrigerant flow path, a header 12, four electric expansion valves 13A to 13D as decompression devices, accumulators 14 and 15, and the like are accommodated.

また、前記仕切り板８の上には、前記熱交換室７の上部と機械室１６の上部に跨るように、インバータ装置及び他の電気制御部品が収容された電気制御箱１７が配置されている。   An electric control box 17 in which an inverter device and other electric control components are accommodated is disposed on the partition plate 8 so as to straddle the upper portion of the heat exchange chamber 7 and the upper portion of the machine chamber 16. .

そして、図２に示すように、前記圧縮機９、マフラー１０、四方弁１１、ヘッダー１２、各室内機２Ａ〜２Ｄの室内側熱交換器（図示せず）、電動膨張弁１３Ａ〜１３Ｄ、キャピラリチューブ１８、１８、室外側熱交換器５及びアキュムレータ１４、１５等は、冷媒配管１９によって接続されて、ヒートポンプ式の冷凍サイクルを構成している。この冷凍サイクルは、前記四方弁１１を切り換えることにより、圧縮機９を吐出する冷媒の流れが、図２の実線矢印で示す暖房運転モードと、破線矢印で示す冷房運転モードとに変更される。   As shown in FIG. 2, the compressor 9, the muffler 10, the four-way valve 11, the header 12, the indoor side heat exchangers (not shown) of the indoor units 2A to 2D, the electric expansion valves 13A to 13D, the capillary The tubes 18, 18, the outdoor heat exchanger 5, the accumulators 14, 15 and the like are connected by a refrigerant pipe 19 to constitute a heat pump refrigeration cycle. In this refrigeration cycle, by switching the four-way valve 11, the flow of the refrigerant discharged from the compressor 9 is changed between a heating operation mode indicated by a solid line arrow and a cooling operation mode indicated by a broken line arrow in FIG.

前記ヘッダー１２には、複数の配管接続弁２０Ａ〜２０Ｄが接続され、これら複数の配管接続弁２０Ａ〜２０Ｄのそれぞれに前記室内機２Ａ〜２Ｄの室内側熱交換器（図示せず）の一端側が前記ユニット間配管３Ａ〜３Ｄで接続され、また、前記室内側熱交換器の他端側が前記ユニット間配管３Ｅ〜３Ｈで、室外機１の別の配管接続弁２０Ｅ〜２０Ｈに接続される。そして、これら別の配管接続弁２０Ｅ〜２０Ｈは、前記電動膨張弁１３Ａ〜１３Ｄにそれぞれ接続される。   A plurality of pipe connection valves 20A to 20D are connected to the header 12, and one end side of an indoor side heat exchanger (not shown) of the indoor units 2A to 2D is connected to each of the plurality of pipe connection valves 20A to 20D. The inter-unit pipes 3A to 3D are connected, and the other end side of the indoor side heat exchanger is connected to another pipe connection valves 20E to 20H of the outdoor unit 1 by the inter-unit pipes 3E to 3H. These other pipe connection valves 20E to 20H are connected to the electric expansion valves 13A to 13D, respectively.

図２に示す２１は除霜用電動開閉弁であり、この除霜用電動開閉弁２１は、前記圧縮機９の吐出側と前記四方弁１１との間の冷媒回路と、前記前記電動膨張弁１３Ａ〜１３Ｄとキャピラリチューブ１８、１８との間の冷媒回路とを連絡する除霜用冷媒回路２２に介装されており、暖房運転モードでの除霜運転時に開放されて、圧縮機９から吐出する高温のガス冷媒（ホットガス）の一部を室外側熱交換器５に流し、室外側熱交換器５の温度を上昇させて除霜を行なう。   2 is a defrosting electric on-off valve 21. The defrosting electric on-off valve 21 includes a refrigerant circuit between the discharge side of the compressor 9 and the four-way valve 11, and the electric expansion valve. 13A to 13D and a refrigerant circuit 22 between the capillary tubes 18 and 18 are interposed in a defrosting refrigerant circuit 22 which is opened during the defrosting operation in the heating operation mode and discharged from the compressor 9. A part of the high-temperature gas refrigerant (hot gas) to be flowed is passed through the outdoor heat exchanger 5 to increase the temperature of the outdoor heat exchanger 5 to perform defrosting.

次に、室外機１における外装ケース１Ａの構成について詳述する。この外装ケース１Ａは、全体として略直方体形状を呈しており、天パネル２３、底パネル２４、前パネル２５、左側の側部パネル２６及び右側の側部パネル２７などを組み合わせて構成している。   Next, the configuration of the exterior case 1A in the outdoor unit 1 will be described in detail. The exterior case 1A has a substantially rectangular parallelepiped shape as a whole, and is configured by combining a top panel 23, a bottom panel 24, a front panel 25, a left side panel 26, a right side panel 27, and the like.

天パネル２３は、前パネル２５、左側の側部パネル２６及び右側の側部パネル２７の上端部に着脱可能に被せ着けられ、ネジ止め固定される。   The top panel 23 is detachably attached to the upper ends of the front panel 25, the left side panel 26, and the right side panel 27, and is fixed by screws.

前パネル２５は、室外側送風機６に対応する排気口２５Ａを有し、この排気口２５Ａの前方部を覆う保護ガード２５Ｂを装着している。   The front panel 25 has an exhaust port 25A corresponding to the outdoor blower 6, and a protective guard 25B that covers the front portion of the exhaust port 25A is attached.

底パネル２４は、前記室外側熱交換器５の下端部、室外側送風機６の駆動モータを固定するモータ固定板６Ａの下端部及び仕切り板８の下端部が、それぞれ上面部にネジ止め固定されると共に、前記圧縮機９が固定され、さらには、外周部に前パネル２５、左側の側部パネル２６及び右側の側部パネル２７が着脱可能にネジ止め固定されている。   In the bottom panel 24, the lower end portion of the outdoor heat exchanger 5, the lower end portion of the motor fixing plate 6A for fixing the drive motor of the outdoor blower 6, and the lower end portion of the partition plate 8 are fixed to the upper surface portion with screws. The compressor 9 is fixed, and the front panel 25, the left side panel 26, and the right side panel 27 are detachably fixed to the outer peripheral portion with screws.

前記左側の側部パネル２６は、後端部分に横幅の狭い背面板部２６Ａが折り曲げ加工により一体成型されており、熱交換室５内に外気を吸気するための多数の吸気口（図示せず）が設けられている。   The left side panel 26 has a rear plate portion 26A having a narrow width formed integrally with a rear end portion thereof by bending, and has a large number of air inlets (not shown) for taking outside air into the heat exchange chamber 5. ) Is provided.

前記右側の側部パネル２７は、図６に示すように、それの後端部分に前記左側の側部パネル２６の背面板部２６Ａよりも横幅の広い背面板部２７Ａが折り曲げ加工により一体成型されている。   As shown in FIG. 6, the right side panel 27 is integrally formed by bending a back plate portion 27 </ b> A having a width wider than the back plate portion 26 </ b> A of the left side panel 26 at the rear end portion thereof. ing.

そして、前記左右の側部パネル２６、２７の両背面板部２６Ａ、２７Ａの間には、前記室外側熱交換器５の一部が外部に露出され、この露出された室外側熱交換器５の外側を覆うように背面側ガード（図示せず）が両背面板部２６Ａ、２７Ａに跨って取り付けられている。   A part of the outdoor heat exchanger 5 is exposed to the outside between the rear plate portions 26A and 27A of the left and right side panels 26 and 27, and the exposed outdoor heat exchanger 5 is exposed to the outside. A back guard (not shown) is attached across both back plate portions 26A and 27A so as to cover the outside of the back plate.

また、図３及び図４に示すように、前記外装ケース１Ａ内の右側面部の上部に位置して端子台取り付け板２８が設けられ、この端子台取り付け板２８の垂直面部の外面側には、複数の接続端子が設けられた端子台２９が取り付けられている。そして、この端子台２９の各接続端子には、前記ユニット間電気配線４Ａ〜４Ｄの一端部がネジ（図示せず）止め固定されて、この室外機１と前記４台の室内機２Ａ〜２Ｄとの間で電源供給或いは通信を行なうための配線接続が行なわれる。   Further, as shown in FIGS. 3 and 4, a terminal block mounting plate 28 is provided at the upper part of the right side surface portion in the outer case 1A, and on the outer surface side of the vertical surface portion of the terminal block mounting plate 28, A terminal block 29 provided with a plurality of connection terminals is attached. One end portion of the inter-unit electric wires 4A to 4D is fixed to each connection terminal of the terminal block 29 with screws (not shown), and the outdoor unit 1 and the four indoor units 2A to 2D are fixed. Are connected to each other for power supply or communication.

前記端子台２９と前記電気制御箱１７内の制御基板（図示せず）とは、内部電気配線（図示せず）で配線接続されている。   The terminal block 29 and a control board (not shown) in the electrical control box 17 are connected by internal electrical wiring (not shown).

また、図３及び図５に示すように、前記外装ケース１Ａの右側面部の下部に位置して、前記配管接続弁２０Ａ〜２０Ｈを支持した金属板製の接続弁支持板３０が設けられ、この接続弁支持板３０は、前記底パネル２４の右側部の上面側に立てて設けられている。   Further, as shown in FIGS. 3 and 5, a connection valve support plate 30 made of a metal plate that supports the pipe connection valves 20A to 20H is provided at the lower portion of the right side surface portion of the exterior case 1A. The connection valve support plate 30 is provided upright on the upper surface side of the right side portion of the bottom panel 24.

即ち、前記接続弁支持板３０は、それの下端部が底パネル２４の右側部の上面にネジ止め固定されて、底パネル２４上に直立した状態である。そして、前記接続弁支持板３０に支持された前記配管接続弁２０Ａ〜２０Ｈには、ユニット間配管３Ａ〜３Ｈの一端部が接続されることにより、１台の室外機１と４台の室内機２Ａ〜２Ｄとが配管接続され、室外機１からの冷媒がユニット間配管３Ａ〜３Ｈを介して各室内機２Ａ〜２Ｄへ循環供給される。   That is, the connection valve support plate 30 is in an upright state on the bottom panel 24 with the lower end thereof fixed to the upper surface of the right side of the bottom panel 24 by screws. One end of the inter-unit pipes 3A to 3H is connected to the pipe connection valves 20A to 20H supported by the connection valve support plate 30 so that one outdoor unit 1 and four indoor units are connected. 2A to 2D are pipe-connected, and the refrigerant from the outdoor unit 1 is circulated and supplied to the indoor units 2A to 2D via the inter-unit pipes 3A to 3H.

また、前記接続弁支持板３０の上部、即ち、この接続弁支持板３０と前記端子台取り付け板２８との間には、前記右側の側部パネル２７とは別部品であって、後述する側部パネル２７の連続開口部３１の中間部３１Ｃを側部パネル２７の内側から塞ぐ金属薄板製の閉塞板３２を設けている。   The upper part of the connection valve support plate 30, that is, between the connection valve support plate 30 and the terminal block mounting plate 28, is a separate component from the right side panel 27, and will be described later. A closing plate 32 made of a thin metal plate is provided to close the intermediate portion 31 </ b> C of the continuous opening 31 of the part panel 27 from the inside of the side panel 27.

前記閉塞板３２は、図５及び図７に示すように、それの下端部に前記接続弁支持板３０の上端部にネジ３３止め固定する下側固定部３２Ａが形成され、一方、それの上端部には前記端子台取り付け板２８にネジ３４止め固定する上側固定部３２Ｂが形成されている。   As shown in FIGS. 5 and 7, the closing plate 32 is formed with a lower fixing portion 32 </ b> A that is fixed to the upper end portion of the connection valve support plate 30 with a screw 33 at the lower end portion thereof. An upper fixing portion 32B is formed at the portion to be fixed to the terminal block attaching plate 28 with a screw 34.

次に、前記右側の側部パネル２７について詳述する。この右側の側部パネル２７は、室外機１の外装ケース１Ａの機械室１６に対応する右側の側面部を構成するものであり、そして、この側部パネル２７の側面の主面部２７Ｂには、前記端子台取り付け板２８に相対する上部位置から前記接続弁支持板３０に相対する下部位置にまで至る下端開放の縦長な連続開口部３１を形成している。   Next, the right side panel 27 will be described in detail. The right side panel 27 constitutes the right side surface portion corresponding to the machine room 16 of the exterior case 1A of the outdoor unit 1, and the main surface portion 27B on the side surface of the side panel 27 includes A vertically long continuous opening 31 having an open lower end extending from an upper position facing the terminal block mounting plate 28 to a lower position facing the connection valve support plate 30 is formed.

前記連続開口部３１は、端子台２９を外部に臨ませる上部位置の端子台開口部分３１Ａと、配管接続弁２０Ａ〜２０Ｈを外部に臨ませる下部位置の接続弁開口部分３１Ｂと、それらの中間位置の中間部３１Ｃとを有し、この中間部３１Ｃの横幅寸法を、前記端子台開口部３１Ａの横幅寸法及び接続弁開口部分３１Ｂの横幅寸法よりも狭く形成している。   The continuous opening 31 includes an upper terminal block opening portion 31A that faces the terminal block 29 to the outside, a lower connection valve opening portion 31B that faces the pipe connection valves 20A to 20H to the outside, and an intermediate position therebetween. The intermediate portion 31C has a lateral width dimension that is narrower than the lateral width dimension of the terminal block opening 31A and the lateral width dimension of the connection valve opening portion 31B.

尚、図４中の３５Ａ〜３５Ｃは、前記端子台２９に接続されたユニット間電気配線４Ａ〜４Ｄ及び電源コード４Ｅを、端子台取り付け板２８にそれぞれ安定保持させる保持具、３６、３６は側部パネル２７における連続開口部３１近くの主面部２７Ｂと前記接続弁支持板３０とを締着するネジ、３７は前記端子台２９及び配管接続弁２０Ａ〜２０Ｈなどの外側を覆う保護カバーであり、この保護カバー３７は、端子台２９に接続された状態の前記ユニット間電気配線４Ａ〜４Ｄ及び電源コード４Ｅや、配管接続弁２０Ａ〜２０Ｈに接続された状態のユニット間配管３Ａ〜３Ｈの接続側端部を保護するためのものであり、前記側部パネル２７に着脱可能に取り付けられている。   In FIG. 4, 35A to 35C are holders for stably holding the inter-unit electric wires 4A to 4D and the power cord 4E connected to the terminal block 29 on the terminal block mounting plate 28, respectively. A screw 37 for fastening the main surface portion 27B near the continuous opening 31 in the part panel 27 and the connection valve support plate 30, 37 is a protective cover for covering the outside of the terminal block 29 and the pipe connection valves 20A to 20H, This protective cover 37 is connected to the inter-unit pipes 3A to 3H connected to the inter-unit electric wires 4A to 4D and the power cord 4E connected to the terminal block 29 and to the pipe connecting valves 20A to 20H. It is for protecting the end, and is detachably attached to the side panel 27.

上述の構成において、室外機１が設置された状態で、外装ケース１Ａ内の各種冷凍サイクル構成部品や、他の電装部品の点検・修理を行なう場合、先ず、外装ケース１Ａから保護カバー３７を外し、次いで、天パネル２３及び前パネル２５を外し、その状態で、ネジ３６を外して、側部パネル２７の主面部２７Ｂと前記接続弁支持板３０との締着を解除し、次いで、側部パネル２７と底パネル２４とのネジ止めを解除する。   In the above-described configuration, when various refrigeration cycle components in the outer case 1A and other electrical components are inspected and repaired with the outdoor unit 1 installed, the protective cover 37 is first removed from the outer case 1A. Next, the top panel 23 and the front panel 25 are removed, and in that state, the screw 36 is removed to release the fastening between the main surface portion 27B of the side panel 27 and the connection valve support plate 30, and then the side portion The screwing of the panel 27 and the bottom panel 24 is released.

その状態で、前記端子台２９に接続された状態のユニット間電気配線４Ａ〜４Ｄや電源コード４Ｅを、前記連続開口部３１の中間部３１Ｃ、接続弁開口部分３１Ｂの順に通過させながら、側部パネル２７を上方へ引き上げ、底パネル２４から側部パネル２７を取り外す。   In this state, the inter-unit electric wires 4A to 4D and the power cord 4E connected to the terminal block 29 are passed through the intermediate portion 31C of the continuous opening portion 31 and the connection valve opening portion 31B in this order. The panel 27 is pulled upward and the side panel 27 is removed from the bottom panel 24.

本実施例によれば、室外機１の外装ケース１Ａの側面部を構成する側部パネル２７の主面部２７Ｂに、端子台取り付け板２８に対応する上部位置から接続弁支持板３０に対応する下部位置にまで至る下端開放の連続開口部３１を形成し、この連続開口部３１を介して端子台２９及び配管接続弁２０Ａ〜２０Ｈを外装ケース１Ａの外部に臨ませる構成としたので、ユニット間配管３Ａ〜３Ｈを配管接続弁２０Ａ〜２０Ｈに接続したままとし、また、ユニット間電気配線４Ａ〜４Ｄや電源コード４Ｅを端子台２９から取り外すことなく、底パネル２４から側部パネル２７を取り外すができるため、メンテナンス性が良好になる。   According to this embodiment, the main surface portion 27B of the side panel 27 constituting the side surface portion of the exterior case 1A of the outdoor unit 1 is moved from the upper position corresponding to the terminal block mounting plate 28 to the lower portion corresponding to the connection valve support plate 30. Since the continuous opening 31 with the lower end reaching the position is formed and the terminal block 29 and the pipe connection valves 20A to 20H are exposed to the outside of the outer case 1A through the continuous opening 31, the inter-unit piping The side panel 27 can be removed from the bottom panel 24 without leaving the 3A-3H connected to the pipe connection valves 20A-20H and without removing the inter-unit electrical wires 4A-4D and the power cord 4E from the terminal block 29. Therefore, maintainability becomes good.

また、接続弁支持板３０と端子台取り付け板２８との間には、側部パネル２７とは別部品あって連続開口部３１の中間部３１Ｃを内側から塞ぐ閉塞板３１を設けたことにより、前記連続開口部３１の中間部３１Ｃは閉塞板３２で閉塞されるため、連続開口部３１の中間部３１Ｃから機械室１６内へネズミなどの危害を加える小動物が侵入するのを阻止できる。   Further, between the connection valve support plate 30 and the terminal block mounting plate 28, there is provided a closing plate 31 that is a separate component from the side panel 27 and closes the intermediate portion 31C of the continuous opening 31 from the inside. Since the intermediate portion 31C of the continuous opening 31 is closed by the closing plate 32, it is possible to prevent small animals that cause harm such as rats from entering the machine room 16 from the intermediate portion 31C of the continuous opening 31.

また、閉塞板３２は、下部の下側固定部３２Ａが接続弁支持板３０の上端部に固定され、かつ、上部の上側固定部３２Ｂが端子台取り付け板２８に固定されるので、閉塞板３２の取り付け強度を高めることができる。   Further, the closing plate 32 has a lower lower fixing portion 32A fixed to the upper end portion of the connection valve support plate 30 and an upper upper fixing portion 32B fixed to the terminal block mounting plate 28. The mounting strength can be increased.

また、室外機１に４台の室内機２Ａ〜２Ｄを接続するマルチ型の空気調和装置Ａの場合、４系統のユニット間電気配線４Ａ〜４Ｄを取り外す手間が省け、メンテナンス性向上の効果が一層顕著である。   Further, in the case of the multi-type air conditioner A in which the four indoor units 2A to 2D are connected to the outdoor unit 1, the trouble of removing the four system inter-unit electric wires 4A to 4D can be saved, and the effect of improving the maintenance performance is further increased. It is remarkable.

また、前記連続開口部３１の中間部３１Ｃを閉塞する閉塞板３２を、接続弁支持板３０とは別個に製作することにより、外装ケース１Ａの高さ寸法の異なる室外機で、連続開口部３１における中間部３１Ｃの上下方向の長さ寸法が異なる場合には、接続弁支持板３０を共用しつつ、高さ寸法の異なる閉塞板３２を用意することによって対応可能である。   In addition, by manufacturing the closing plate 32 that closes the intermediate portion 31C of the continuous opening 31 separately from the connection valve support plate 30, the continuous opening 31 can be an outdoor unit having a different height dimension of the exterior case 1A. If the length of the intermediate portion 31C in the vertical direction is different, it can be handled by preparing the closing plate 32 having a different height while sharing the connection valve support plate 30.

尚、上述の一実施例では、連続開口部３１の中間部３１Ｃを閉塞する閉塞板３２を、接続弁支持板３０とは別個のものとしたが、連続開口部３１の中間部３１Ｃを閉塞する閉塞板を、接続弁支持板３０の上部に、この接続弁支持板３０と一体成型しても良く、その場合、閉塞板の強度が一層高められ、しかも、部品点数の削減が図れる。   In the above-described embodiment, the closing plate 32 that closes the intermediate portion 31C of the continuous opening 31 is separate from the connection valve support plate 30, but the intermediate portion 31C of the continuous opening 31 is closed. The blocking plate may be integrally formed with the connection valve support plate 30 on the connection valve support plate 30. In this case, the strength of the blocking plate can be further increased and the number of parts can be reduced.

以上本発明の実施態様について説明したが、上述の説明に基づいて当業者にとって種々の代替例、修正又は変形が可能であり、本発明の主旨を逸脱しない範囲で前述の種々の代替例、修正又は変形を包含するものである。   Although the embodiments of the present invention have been described above, various alternatives, modifications, and variations can be made by those skilled in the art based on the above description, and the various alternatives and modifications described above without departing from the spirit of the present invention. Or a modification is included.

本発明の一実施例を示す空気調和装置の全体構成を説明する説明図である。It is explanatory drawing explaining the whole structure of the air conditioning apparatus which shows one Example of this invention. 同じく全体構成における冷凍サイクルの概略構成図である。It is a schematic block diagram of the refrigerating cycle in the whole structure similarly. 同じく保護カバーを外した状態の室外機の一部切欠斜視図である。It is a partially cutaway perspective view of the outdoor unit with the protective cover similarly removed. 同じく要部拡大斜視図である。It is a principal part expansion perspective view similarly. 同じく室外機の内部を説明する説明図である。It is explanatory drawing similarly explaining the inside of an outdoor unit. 同じく外装ケースの側部パネル単体の斜視図である。It is a perspective view of the side panel simple substance of an exterior case similarly. 同じく閉塞板の斜視図である。It is a perspective view of an obstruction board similarly.

符号の説明Explanation of symbols

Ａ 空気調和装置
１ 室外機
１Ａ 外装ケース
２Ａ〜２Ｄ 室内機
３Ａ〜３Ｈ ユニット間配管
４Ａ〜４Ｄ ユニット間電気配線
７ 熱交換室
９ 圧縮機
１１ 四方弁
１６ 機械室
１７ 電気制御箱
２０Ａ〜２０Ｄ 配管接続弁
２４ 底パネル
２７ 側部パネル
２７Ｂ 側部パネルの主面部
２８ 端子台取り付け板
２９ 端子台
３０ 接続弁支持板
３１ 連続開口部
３１Ｃ 中間部
３２ 閉塞板 A Air conditioner 1 Outdoor unit 1A Exterior case 2A to 2D Indoor unit 3A to 3H Inter-unit piping 4A to 4D Inter-unit electrical wiring 7 Heat exchange chamber 9 Compressor 11 Four-way valve 16 Machine room 17 Electrical control box 20A to 20D Piping connection Valve 24 Bottom panel 27 Side panel 27B Main surface of side panel 28 Terminal block mounting plate 29 Terminal block 30 Connection valve support plate 31 Continuous opening 31C Intermediate portion 32 Blocking plate

Claims (5)

室内機との間で電源供給或いは通信を行なうユニット間電気配線が接続される端子台を有し、この端子台が取り付けられた端子台取り付け板を外装ケース内の側面部の上部に配置すると共に、室内機との間で冷媒を循環させるユニット間配管を接続するための配管接続弁を有し、この配管接続弁が支持された接続弁支持板を外装ケースの側面部の下部に配置し、この接続弁支持板を前記外装ケースの底パネル上に立てて設けた空気調和装置の室外機において、
前記外装ケースの側面部を構成する側部パネルに、前記端子台取り付け板に対応する上部位置から前記接続弁支持板に対応する下部位置にまで至る下端開放の連続開口部を形成し、この連続開口部を介して前記端子台及び配管接続弁を外部に臨ませる構成としたことを特徴とする空気調和装置の室外機。 A terminal block to which electrical wiring between units for supplying power to or communicating with the indoor unit is connected is connected, and a terminal block mounting plate to which this terminal block is attached is arranged on the upper part of the side surface in the exterior case. , Having a pipe connection valve for connecting an inter-unit pipe that circulates the refrigerant with the indoor unit, and arranging a connection valve support plate on which the pipe connection valve is supported at the lower part of the side surface of the exterior case, In the outdoor unit of the air conditioner provided with this connection valve support plate standing on the bottom panel of the outer case,
In the side panel constituting the side surface portion of the exterior case, a continuous opening portion having a lower end opened from an upper position corresponding to the terminal block mounting plate to a lower position corresponding to the connection valve support plate is formed. An outdoor unit for an air conditioner, characterized in that the terminal block and the pipe connection valve are exposed to the outside through an opening. 前記接続弁支持板と前記端子台取り付け板との間には、前記側部パネルとは別部品あって前記連続開口部の中間部を内側から塞ぐ閉塞板を設けたことを特徴とする請求項１に記載の空気調和装置の室外機。   The closing valve is provided between the connection valve support plate and the terminal block mounting plate, which is a separate component from the side panel and blocks an intermediate portion of the continuous opening from the inside. The outdoor unit of the air conditioning apparatus described in 1. 前記閉塞板は、下部が前記接続弁支持板に固定され、かつ、上部が前記端子台取り付け板に固定されることを特徴とする請求項２に記載の空気調和装置の室外機。   The outdoor unit of the air conditioner according to claim 2, wherein the closing plate has a lower portion fixed to the connection valve support plate and an upper portion fixed to the terminal block mounting plate. 前記閉塞板は、前記接続弁支持板の上部に接続弁支持板と一体成型されていることを特徴とする請求項２に記載の空気調和装置の室外機。   The outdoor unit for an air conditioner according to claim 2, wherein the closing plate is integrally formed with the connection valve support plate on an upper portion of the connection valve support plate. 前記室内機を複数台接続可能としたことを特徴とする請求項１に記載の空気調和装置の室外機。   The outdoor unit of the air conditioner according to claim 1, wherein a plurality of the indoor units can be connected.
JP2006103107A 2006-04-04 2006-04-04 Air conditioner outdoor unit Expired - Fee Related JP4721943B2 (en)

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DE112008002855T5 (en) 2007-10-26 2010-12-09 Panasonic Corp., Kadoma Apparatus and method for transporting substrates
CN101592363A (en) * 2008-05-26 2009-12-02 乐金电子(天津)电器有限公司 The split-type air conditioner off-premises station
JP2010276313A (en) * 2009-05-29 2010-12-09 Daikin Ind Ltd Outdoor unit for air conditioner
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CN103673142A (en) * 2013-12-19 2014-03-26 深圳麦克维尔空调有限公司 Air conditioner outdoor unit and outdoor unit case thereof

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