JPS6196265U - - Google Patents
Info
- Publication number
- JPS6196265U JPS6196265U JP18035084U JP18035084U JPS6196265U JP S6196265 U JPS6196265 U JP S6196265U JP 18035084 U JP18035084 U JP 18035084U JP 18035084 U JP18035084 U JP 18035084U JP S6196265 U JPS6196265 U JP S6196265U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- liquid
- pipe
- interposed
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims description 11
- 239000003507 refrigerant Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 3
- 230000002265 prevention Effects 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 1
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Description
第１図は本考案の構成を示す図である。第２図
は本考案の実施例を示す冷媒配管系統図である。
第３図は室内熱交換器個別制御用の開閉弁を単方
向用のもので構成した場合の冷媒配管系統図、第
４図は従来例を示す冷媒配管系統図である。
１…圧縮機、２…四路切換弁、３…室外熱交換
器、６…ガス管、７…液管、８ａ，８ｂ…室内熱
交換器、１０ａ，１０ｂ…分岐液管、Ａ…室外ユ
ニツト、Ｂ１，Ｂ２…室内ユニツト、１１…共通
ガス管、１２…共通液管、１３，１４…冷媒循環
系統、２０ａ，２０ｂ…冷房用単方向開閉弁、２
１ａ，２１ｂ…暖房用単方向開閉弁、２２ａ，２
２ｂ…冷媒溜り防止用膨張機構、２３…液移動阻
止用開閉弁、２４…連通管、２５…圧力制御弁。
FIG. 1 is a diagram showing the configuration of the present invention. FIG. 2 is a refrigerant piping system diagram showing an embodiment of the present invention.
FIG. 3 is a refrigerant piping system diagram when the on-off valve for controlling individual indoor heat exchangers is configured as a unidirectional one, and FIG. 4 is a refrigerant piping system diagram showing a conventional example. 1... Compressor, 2... Four-way switching valve, 3... Outdoor heat exchanger, 6... Gas pipe, 7... Liquid pipe, 8a, 8b... Indoor heat exchanger, 10a, 10b... Branch liquid pipe, A... Outdoor unit , B1 , B2 ...Indoor unit, 11...Common gas pipe, 12...Common liquid pipe, 13, 14...Refrigerant circulation system, 20a, 20b...Unidirectional opening/closing valve for air conditioning, 2
1a, 21b... Unidirectional opening/closing valve for heating, 22a, 2
2b... Expansion mechanism for preventing refrigerant accumulation, 23... On-off valve for preventing liquid movement, 24... Communication pipe, 25... Pressure control valve.
Claims (1)
を内蔵する一台の室外ユニツトＡに対して、それ
ぞれ室内熱交換器８ａ，８ｂを内蔵する複数台の
室内ユニツトＢ１，Ｂ２を並列にかつ長連絡配管
１１，１２を介して接続してなる複数の冷媒循環
系統１３，１４を有するヒートポンプ式空気調和
装置において、上記各室内ユニツトＢ１，Ｂ２に
は、冷房運転時に開く冷房用単方向開閉弁２０ａ
，２０ｂと暖房運転時に開く暖房用単方向開閉弁
２１ａ，２１ｂとが互いに並列に接続されて各分
岐液管１０ａ，１０ｂに介設されていて、該各暖
房用単方向開閉弁２１ａ，２１ｂには冷媒溜り防
止用膨張機構２２ａ，２２ｂが並列に接続されて
おり、一方、上記室外ユニツトＡには、圧縮機１
の運転の停止時に閉じる液移動阻止用開閉弁２３
が液管７に介設されており、さらに該液移動阻止
用開閉弁２３と上記冷房用単方向開閉弁２０ａ，
２０ｂとの間の液管７，１２をガス管６に連通す
る連通管２４と、該連通管２４に介設され上記液
管７，１２の冷媒圧力が所定値以上のとき開く液
圧調整弁２５とが備えられていることを特徴とす
るヒートポンプ式空気調和装置。 Compressor 1, four-way switching valve 2, and outdoor heat exchanger 3
A plurality of indoor units B1 and B2 each having a built-in indoor heat exchanger 8a and 8b are connected in parallel to one outdoor unit A having a built-in indoor heat exchanger through long connecting pipes 11 and 12. In the heat pump type air conditioner having a plurality of refrigerant circulation systems 13 and 14, each indoor unit B 1 and B 2 includes a cooling unidirectional opening/closing valve 20a that opens during cooling operation.
, 20b and heating unidirectional opening/closing valves 21a, 21b that open during heating operation are connected in parallel to each other and interposed in each branch liquid pipe 10a, 10b. The expansion mechanisms 22a and 22b for preventing refrigerant accumulation are connected in parallel, and the outdoor unit A has a compressor 1.
Liquid movement prevention on-off valve 23 that closes when the operation is stopped.
is interposed in the liquid pipe 7, and the liquid movement prevention on-off valve 23 and the cooling unidirectional on-off valve 20a,
20b, a communication pipe 24 that communicates the liquid pipes 7, 12 with the gas pipe 6, and a liquid pressure regulating valve that is interposed in the communication pipe 24 and opens when the refrigerant pressure in the liquid pipes 7, 12 exceeds a predetermined value. 25. A heat pump air conditioner characterized by comprising: 25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18035084U JPH0243012Y2 (en) | 1984-11-27 | 1984-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18035084U JPH0243012Y2 (en) | 1984-11-27 | 1984-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6196265U true JPS6196265U (en) | 1986-06-20 |
| JPH0243012Y2 JPH0243012Y2 (en) | 1990-11-15 |
Family
ID=30737908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18035084U Expired JPH0243012Y2 (en) | 1984-11-27 | 1984-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0243012Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62141162U (en) * | 1986-02-27 | 1987-09-05 |
-
1984
- 1984-11-27 JP JP18035084U patent/JPH0243012Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62141162U (en) * | 1986-02-27 | 1987-09-05 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0243012Y2 (en) | 1990-11-15 |