JP4375111B2 - Air conditioner refrigerant circuit branch unit - Google Patents
Air conditioner refrigerant circuit branch unit Download PDFInfo
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- JP4375111B2 JP4375111B2 JP2004145132A JP2004145132A JP4375111B2 JP 4375111 B2 JP4375111 B2 JP 4375111B2 JP 2004145132 A JP2004145132 A JP 2004145132A JP 2004145132 A JP2004145132 A JP 2004145132A JP 4375111 B2 JP4375111 B2 JP 4375111B2
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- unit side
- refrigerant circuit
- outdoor unit
- pipe
- insulating material
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Description
この発明は単一の室外機と複数の室内機とを冷媒回路で接続してなる空気調和機に係り、特に、単一の室外機から複数の室内機へ冷媒を分配する冷媒回路分岐ユニットに関するものである。 The present invention relates to an air conditioner in which a single outdoor unit and a plurality of indoor units are connected by a refrigerant circuit, and more particularly to a refrigerant circuit branching unit that distributes refrigerant from a single outdoor unit to a plurality of indoor units. Is.
従来の空気調和装置の冷媒回路機の分岐ユニットは、側面に開口する蓋と、少なくとも6個以上で構成されている断熱材を有している。(例えば、特許文献1参照。)
また、別の冷媒分流装置は冷媒回路部品を発泡断熱材でモールドして外函内に収納するものがある。(例えば、特許文献2参照)
The branch unit of the refrigerant circuit machine of the conventional air conditioner has a lid that opens to the side surface and a heat insulating material that is composed of at least six. (For example, refer to Patent Document 1.)
Another refrigerant flow dividing device is one in which refrigerant circuit components are molded with foam heat insulating material and stored in an outer box. (For example, see Patent Document 2)
従来の空気調和装置の冷媒回路分岐ユニットは、ケーシング側面に開口する蓋を有しているため、天井裏・床下・高所などに設置した際に冷媒配管が上下方向から直接見えず、メンテナンス性が悪いという問題点があった。また、断熱材が少なくとも6個以上で構成されているため、接合面が多く、気密が保ちにくいという問題点があった。 Since the refrigerant circuit branch unit of the conventional air conditioner has a lid that opens on the side of the casing, the refrigerant piping is not directly visible from the top and bottom when installed in the back of the ceiling, under the floor, or at a high place. There was a problem of being bad. Moreover, since the heat insulating material is composed of at least six, there is a problem that there are many joint surfaces and it is difficult to maintain airtightness.
この発明は、上記のよう課題を解決するためになされたもので、第1の目的は天井裏・床下・高所などに設置した際もメンテナンス性の良い空気調和装置の冷媒回路分岐ユニットを得るものである。 The present invention has been made to solve the above-described problems, and a first object thereof is to obtain a refrigerant circuit branch unit of an air conditioner having good maintainability even when installed in a ceiling, under the floor, or at a high place. Is.
また、第2の目的は気密が保ちやすい断熱材を有することができる空気調和装置の冷媒回路分岐ユニットを得るものである。 The second object is to obtain a refrigerant circuit branch unit of an air conditioner that can have a heat insulating material that is easy to keep airtight.
この発明に係る空気調和装置の冷媒回路分岐ユニットは、単一の室外機と複数の室内機とを分岐ユニットを介して冷媒回路で接続し、前記室外機から分岐ユニットを経由して複数の室内機へ冷媒を供給する空気調和装置の冷媒回路分岐ユニットであって、前記分岐ユニットを上面及び下面が脱着可能な蓋体で構成されたケーシングで構成し、前記ケーシングの側面に前記室外機に接続される室外機側ガス管と室外機側液管を延出した室外機側配管取出口を設け、また前記ケーシングの正面に前記複数の室内機に接続される複数の室内機側ガス管と室内機側液管が千鳥状に配置されて延出した室内機側配管取出口を設け、前記室外機側配管取出口には前記室外機側ガス管と室外機側液管を押さえ込む押え部材と前記室内機側配管取出口には前記室内機側ガス管および前記室内機側液管をそれぞれ押さえ込む押え部材とを備えるとともに、前記ケーシング内部に収納される前記冷媒配管を上断熱材と下断熱材とによって上下に2分割構成とした断熱材組立体で気密状態に密封し、前記上断熱材は前記ケーシング内部の冷媒回路を上側から、また前記下断熱材は下側から密着状態で押さえる室内機側ガス管押え、液管押え、室外機側ガス管押えおよび液管押えを備えたものである。 A refrigerant circuit branching unit of an air conditioner according to the present invention connects a single outdoor unit and a plurality of indoor units through a branching unit via a refrigerant circuit, and a plurality of indoor units are connected from the outdoor unit via the branching unit. A refrigerant circuit branching unit of an air conditioner for supplying refrigerant to a machine, wherein the branching unit is configured by a casing having a lid whose top and bottom surfaces are detachable, and is connected to the outdoor unit on a side surface of the casing An outdoor unit side gas pipe and an outdoor unit side pipe outlet extending from the outdoor unit side liquid pipe are provided, and a plurality of indoor unit side gas pipes and a room connected to the plurality of indoor units are provided in front of the casing. The outdoor unit side pipe outlet is provided with the unit side liquid pipes arranged in a staggered manner, and the outdoor unit side pipe outlet has a pressing member for pressing down the outdoor unit side gas pipe and the outdoor unit side liquid pipe. The indoor unit side pipe outlet Insulation with an internal unit side gas pipe and a holding member that presses down the indoor unit side liquid pipe respectively, and the refrigerant pipe housed inside the casing is vertically divided into an upper heat insulating material and a lower heat insulating material. Sealed in an airtight state with a material assembly, the upper heat insulating material holds the refrigerant circuit inside the casing from the upper side, and the lower heat insulating material holds the air tightly from the lower side. A machine-side gas pipe holder and a liquid pipe holder are provided .
この発明に係る空気調和装置の冷媒回路分岐ユニットは、単一の室外機と複数の室内機とを分岐ユニットを介して冷媒回路で接続し、前記室外機から分岐ユニットを経由して複数の室内機へ冷媒を供給する空気調和装置の冷媒回路分岐ユニットであって、前記分岐ユニットを上面及び下面が脱着可能な蓋体で構成されたケーシングで構成し、前記ケーシングの側面に前記室外機に接続される室外機側ガス管と室外機側液管を延出した室外機側配管取出口を設け、また前記ケーシングの正面に前記複数の室内機に接続される複数の室内機側ガス管と室内機側液管が千鳥状に配置されて延出した室内機側配管取出口を設け、前記室外機側配管取出口には前記室外機側ガス管と室外機側液管を押さえ込む押え部材と前記室内機側配管取出口には前記室内機側ガス管および前記室内機側液管をそれぞれ押さえ込む押え部材とを備えるとともに、前記ケーシング内部に収納される前記冷媒配管を上断熱材と下断熱材とによって上下に2分割構成とした断熱材組立体で気密状態に密封し、前記上断熱材は前記ケーシング内部の冷媒回路を上側から、また前記下断熱材は下側から密着状態で押さえる室内機側ガス管押え、液管押え、室外機側ガス管押えおよび液管押えを備えたので、天井裏・床下・高所などに設置した際もメンテナンス性が良好になり、気密が保ちやすい断熱材を得られるという効果を有する。
A refrigerant circuit branching unit of an air conditioner according to the present invention connects a single outdoor unit and a plurality of indoor units through a branching unit via a refrigerant circuit, and a plurality of indoor units are connected from the outdoor unit via the branching unit. A refrigerant circuit branching unit of an air conditioner for supplying refrigerant to a machine, wherein the branching unit is configured by a casing having a lid whose top and bottom surfaces are detachable, and is connected to the outdoor unit on a side surface of the casing An outdoor unit side gas pipe and an outdoor unit side pipe outlet extending from the outdoor unit side liquid pipe are provided, and a plurality of indoor unit side gas pipes and a room connected to the plurality of indoor units are provided in front of the casing. The outdoor unit side pipe outlet is provided with the unit side liquid pipes arranged in a staggered manner, and the outdoor unit side pipe outlet has a pressing member for pressing the outdoor unit side gas pipe and the outdoor unit side liquid pipe, and The indoor unit side pipe outlet Insulation with an internal unit side gas pipe and a holding member that presses down the indoor unit side liquid pipe respectively, and the refrigerant pipe housed inside the casing is vertically divided into an upper heat insulating material and a lower heat insulating material. Sealed in an airtight state with a material assembly, the upper heat insulating material presses the refrigerant circuit inside the casing from the upper side, and the lower heat insulating material presses from the lower side in close contact with the indoor unit side gas pipe press, liquid pipe press, outdoor Since the machine side gas pipe presser and liquid pipe presser are provided, maintenance is good even when installed in the ceiling, under the floor, or in a high place, and there is an effect that a heat insulating material that is easy to keep airtight can be obtained.
実施の形態1.
図1はこの発明の実施の形態1における空気調和装置の冷媒回路分岐ユニットを示す全体概要図、図2はこの発明の実施の形態1における分岐ユニットの据付状態を示す側面図、図3はこの発明の実施の形態1による空気調和装置の冷媒回路分岐ユニットを示す側面図、図4はこの発明の実施の形態1による空気調和装置の冷媒回路分岐ユニットを示す分解斜視図、図5はこの発明の実施の形態1による空気調和装置の冷媒回路分岐ユニットを示す正面分解図である。図において、空気調和装置1は1台の室外機2と複数の室内機3を備えている。前記室外機2には、室外熱交換器、圧縮機、四方弁などの冷媒回路の一部と、室外熱交換器の熱交換を行う為に空気を流れさせるファン、ファンを駆動する為のモータ、装置の制御を行う制御回路(いずれも図示されていない)などを内蔵している。また、前記室内機3には、室内熱交換器などの冷媒回路の一部と、室内熱交換器の熱交換を行う為に空気を流れさせるファン、ファンを駆動する為のモータ、装置の制御を行う制御回路(いずれも図示されていない)などを内蔵している。前記室外機2内の冷媒回路と、前記室内機3の冷媒回路とは、冷媒液配管5と冷媒ガス配管6を介して接続されており、室外機2側の冷媒液配管5から室内機3側の冷媒ガス配管6に分岐するための分岐ユニット4が途中に設置されている。
Embodiment 1 FIG.
1 is an overall schematic diagram showing a refrigerant circuit branch unit of an air-conditioning apparatus according to Embodiment 1 of the present invention, FIG. 2 is a side view showing an installation state of the branch unit according to Embodiment 1 of the present invention, and FIG. side view of a refrigerant circuit branch unit of an air conditioner according to the first embodiment of the invention, FIG 4 is an exploded perspective view showing a refrigerant circuit branch unit of the air conditioner according to embodiment 1 of the present invention, Figure 5 is the It is a front exploded view which shows the refrigerant circuit branch unit of the air conditioning apparatus by Embodiment 1 of invention . In the figure, the air conditioner 1 includes one outdoor unit 2 and a plurality of indoor units 3. The outdoor unit 2 includes a part of a refrigerant circuit such as an outdoor heat exchanger, a compressor, and a four-way valve, a fan that allows air to flow to exchange heat with the outdoor heat exchanger, and a motor that drives the fan. A control circuit (none of which is shown) for controlling the device is incorporated. The indoor unit 3 includes a part of a refrigerant circuit such as an indoor heat exchanger, a fan that causes air to flow to exchange heat in the indoor heat exchanger, a motor that drives the fan, and control of the device. A control circuit (none of which is shown in the figure) is included. The refrigerant circuit in the outdoor unit 2 and the refrigerant circuit of the indoor unit 3 are connected via a refrigerant liquid pipe 5 and a
前記分岐ユニット4の外郭は主に、上下方向に開放したケーシング7と、このケーシング7の上開口部に取り付けられる上蓋8、また、ケーシング7の下開口部に取り付けられる下蓋9で構成されている。前記ケーシング7の一方側面には室外機2側に接続される室外機2側配管取出口11が設けられており、室外機側のガス管12、液管13を延出させ、このガス管12、液管13を押さえ込む押え部材11aを備えている。また、ケーシング7の他方側面には前記室内機3側に接続される配管を取り出す室内機3側配管取出口14が設けられており、室内機側ガス管15、液管16を延出させ、このガス管15、液管16を押さえ込む第2の押え部材14aを備えている。さらに、前記ケーシング7内部の冷媒回路10は、上下に2分割された前記室内機側ガス管15、液管16上側を密着状態で押さえる室内機側ガス管押え17a、液管押え17b、室外機側ガス管押え17cおよび液管押え17dを備えた上断熱材17と、同じく前記室外側ガス管12、液管13下側を密着状態で押える室内機側ガス管押え18a、液管押え18b、室外機側ガス管押え18cおよび液管押え18dを備えた下断熱材18によって気密状態に組立て密閉されると同時に保持される。そして、前記冷媒回路分岐ユニット4は、図2に示すように天井19などに設けられた点検口20から見える位置に天井梁22に吊り具21により据付けられている。
The outer shell of the branch unit 4 is mainly composed of a
次に、冷媒回路分岐ユニット4をメンテナンスする場合は、最初に、ケーシング7の上蓋8もしくは下蓋9を取り外す。そして、上断熱材17もしくは下断熱材18が露出するので、これらのいずれかを取り外す。上断熱材17もしくは下断熱材18を取外した状態で冷媒回路10が露出するため、メンテナンスすることが容易に可能となる。メンテナンスが終了した後は、前述と逆の順序で部品を装着すれば良い。
Next, when maintaining the refrigerant circuit branch unit 4, first, the
分岐ユニット4は、通常、天井裏・床下・高所などに設置される事が多く、メンテナンス作業者は、点検口20を通して分岐ユニット4の上方向もしくは下方向でメンテナンス作業する。よって、冷媒回路10を上方向もしくは下方向から直接確認できるため、メンテナンス性が良い。
In many cases, the branch unit 4 is usually installed behind the ceiling, under the floor, or in a high place, and the maintenance worker performs maintenance work in the upward or downward direction of the branch unit 4 through the
以上の実施の形態1は、冷媒回路10を、上下に2分割された上断熱材17と下断熱材18によって密閉したものである。これは、温度が低くなった冷媒回路10への結露防止を目的とするが、部品の寸法精度が低いと上断熱材17と下断熱材18の接合面に隙間が生じ、気密性が保てず結露する可能性がある。これを回避するため、図7に示す様な鈎形状の上鈎接合面17eと下鈎接合面18eとすることにより、接合面部が増加すると同時に嵌合性が向上し、気密性が向上することが出来る。
In the first embodiment described above, the
また、前記上断熱材17と下断熱材18の接合面にシール材(図示されていない)を設けても同等の効果を得ることが出来る。
Further, even if a sealing material (not shown) is provided on the joint surface between the upper
1 空気調和装置
2 室外機
3 室内機
4 分岐ユニット
5 冷媒液配管
6 冷媒ガス配管
7 ケーシング
8 上蓋
9 下蓋
10 冷媒回路
11 室外機側配管取出口
12 室外機側ガス管
13 室外機側液管
14 室内機側配管取出口
15 室内機側ガス管
16 室内機側液管
17 上断熱材
17a 室内機側ガス管上押え
17b 室外機側液管上押え
17c 室外機側ガス管上押え
17d 室外機側液管上押え
17e 上鈎接合面
18 下断熱材
18a 室内機側ガス管下押え
18b 室外機側液管下押え
18c 室外機側ガス管下押え
18d 室外機側液管下押え
18e 下鈎接合面
19 天井
20 点検口
21 吊り具
22 天井梁
DESCRIPTION OF SYMBOLS 1 Air conditioning apparatus 2 Outdoor unit 3 Indoor unit 4 Branch unit 5 Refrigerant
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004145132A JP4375111B2 (en) | 2004-05-14 | 2004-05-14 | Air conditioner refrigerant circuit branch unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004145132A JP4375111B2 (en) | 2004-05-14 | 2004-05-14 | Air conditioner refrigerant circuit branch unit |
Publications (3)
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JP2005326090A JP2005326090A (en) | 2005-11-24 |
JP2005326090A5 JP2005326090A5 (en) | 2007-04-12 |
JP4375111B2 true JP4375111B2 (en) | 2009-12-02 |
Family
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JP2004145132A Expired - Fee Related JP4375111B2 (en) | 2004-05-14 | 2004-05-14 | Air conditioner refrigerant circuit branch unit |
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JP (1) | JP4375111B2 (en) |
Families Citing this family (6)
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JP2009196723A (en) * | 2008-02-19 | 2009-09-03 | Toshiba Elevator Co Ltd | Air-conditioning system for double-deck elevator |
JP6044389B2 (en) * | 2013-02-28 | 2016-12-14 | 株式会社富士通ゼネラル | Refrigerant switching unit |
JP6116491B2 (en) * | 2014-01-16 | 2017-04-19 | 三菱電機株式会社 | Branching device |
JP6766084B2 (en) * | 2018-01-22 | 2020-10-07 | ダイキン工業株式会社 | How to install the refrigeration equipment |
EP3971494B1 (en) * | 2019-05-16 | 2023-12-27 | Mitsubishi Electric Corporation | Air conditioning device |
CN115398163B (en) * | 2020-04-20 | 2023-11-10 | 三菱电机株式会社 | Relay and air conditioner provided with same |
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JPS5072247A (en) * | 1973-08-09 | 1975-06-14 | ||
JPS52125720U (en) * | 1976-03-23 | 1977-09-24 | ||
JPS56134497U (en) * | 1980-03-13 | 1981-10-12 | ||
JPS5920460Y2 (en) * | 1982-03-13 | 1984-06-14 | 九州積水工業株式会社 | Water meter protective cover |
JPS59500424A (en) * | 1982-03-22 | 1984-03-15 | ブ−ス,リチヤ−ド オ−. | Removable universal insulation |
JPS59112136A (en) * | 1982-12-18 | 1984-06-28 | Nissan Motor Co Ltd | Case-sealing structure of air conditioner unit |
JPS62138990U (en) * | 1986-02-26 | 1987-09-02 | ||
JPH0325045Y2 (en) * | 1986-06-20 | 1991-05-31 | ||
JPH0638249Y2 (en) * | 1989-11-25 | 1994-10-05 | ダイキン工業株式会社 | Air conditioner pipe branching device |
JPH0375397U (en) * | 1989-11-25 | 1991-07-29 | ||
JP2502194B2 (en) * | 1990-12-20 | 1996-05-29 | 三菱電機株式会社 | Air conditioner |
JPH0536215U (en) * | 1991-10-17 | 1993-05-18 | 日立冷熱株式会社 | Underfloor type air conditioner |
JPH05157325A (en) * | 1991-12-10 | 1993-06-22 | Mitsubishi Heavy Ind Ltd | Air conditioner |
JP2554912Y2 (en) * | 1993-03-04 | 1997-11-19 | 株式会社ゼクセル | Seal structure of the outlet pipe entrance hole of the evaporator storage case |
JP2578708Y2 (en) * | 1993-09-10 | 1998-08-13 | ホシザキ電機株式会社 | Wire penetration structure in equipment |
JP3185564B2 (en) * | 1994-10-21 | 2001-07-11 | 松下電器産業株式会社 | Branch unit for multi-room air conditioner |
JPH0914599A (en) * | 1995-06-29 | 1997-01-17 | Akatsuki Shoji Kk | Piping unit |
JPH1163565A (en) * | 1997-08-13 | 1999-03-05 | Osaka Gas Co Ltd | Outdoor heat insulated piping box |
JP3175676B2 (en) * | 1997-12-05 | 2001-06-11 | ダイキン工業株式会社 | Refrigerant branch unit |
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JP2001241695A (en) * | 2000-02-28 | 2001-09-07 | Daikin Ind Ltd | Unit for relaying refrigerant in air conditioner |
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2004
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