JPH01178564U - - Google Patents
Info
- Publication number
- JPH01178564U JPH01178564U JP7619588U JP7619588U JPH01178564U JP H01178564 U JPH01178564 U JP H01178564U JP 7619588 U JP7619588 U JP 7619588U JP 7619588 U JP7619588 U JP 7619588U JP H01178564 U JPH01178564 U JP H01178564U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- heat exchanger
- way valve
- expansion valve
- refrigerant flow
- 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.)
- Pending
Links
- 238000005057 refrigeration Methods 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 claims description 5
- 238000004378 air conditioning Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Description
第１図は本考案によるヒートポンプ式空調冷蔵
システムの一実施例を示すシステム構成図。
図中、１…圧縮機、２…四方弁、２ａ〜２ｄ…
冷媒流通口、３…室外側熱交換器、４…第１の膨
張弁、５，８，１０…逆止弁、６…室内側熱交換
器、７…蒸発圧力調整弁、９…第２の膨張弁、１
１…第１の電磁弁、１２…冷蔵用熱交換器、１３
…第３の膨張弁、１４…第２の電磁弁。
FIG. 1 is a system configuration diagram showing an embodiment of a heat pump type air conditioning and refrigeration system according to the present invention. In the figure, 1... Compressor, 2... Four-way valve, 2a to 2d...
Refrigerant flow port, 3... Outdoor heat exchanger, 4... First expansion valve, 5, 8, 10... Check valve, 6... Indoor heat exchanger, 7... Evaporation pressure regulating valve, 9... Second expansion valve, 1
1... First solenoid valve, 12... Refrigeration heat exchanger, 13
...Third expansion valve, 14...Second solenoid valve.
Claims (1)
、また吸入側を該四方弁２の第２の冷媒流通口２
ｂにそれぞれ接続した圧縮機１と、一端を該四方
弁２の第３の冷媒流通口２ｃに接続した室外側熱
交換器３と、一端を該四方弁２の第４の冷媒流通
口２ｄに接続した室内側熱交換器６と、前記各熱
交換器３，６の他端にそれぞれ接続した第１の膨
張弁４及び第２の膨張弁９とを備えたヒートポン
プ式空調冷蔵システムにおいて、 前記室内側熱交換器の一端の出口側に配設した
蒸発圧力調整弁７と、 前記第１の膨張弁４と前記第２の膨張弁９との
間に接続した第１の開閉弁１１と、 該第１の開閉弁１１と前記第１の膨張弁４の接
続中点に接続した第２の開閉弁１４と、 一端を前記圧縮機１の吸入側と前記四方弁２の
第２の冷媒流通口２ｂの接続中点に接続した冷蔵
用熱交換器１２と、 該冷蔵用熱交換器１２の他端と前記第２の開閉
弁１４との間に接続した第３の膨張弁１３とを設
けた ことを特徴とするヒートポンプ式空調冷蔵シス
テム。[Claims for Utility Model Registration] A four-way valve 2, a discharge side connected to a first refrigerant flow port 2a of the four-way valve 2, and a suction side connected to a second refrigerant flow port 2 of the four-way valve 2.
a compressor 1 connected to the four-way valve 2, an outdoor heat exchanger 3 having one end connected to the third refrigerant flow port 2c of the four-way valve 2, and one end connected to the fourth refrigerant flow port 2d of the four-way valve 2. In a heat pump type air conditioning and refrigeration system comprising an indoor heat exchanger 6 connected to each other, and a first expansion valve 4 and a second expansion valve 9 connected to the other end of each of the heat exchangers 3 and 6, an evaporation pressure regulating valve 7 disposed on the outlet side of one end of the indoor heat exchanger; a first on-off valve 11 connected between the first expansion valve 4 and the second expansion valve 9; a second on-off valve 14 connected to the connection midpoint between the first on-off valve 11 and the first expansion valve 4; A refrigeration heat exchanger 12 connected to the connection midpoint of the opening 2b, and a third expansion valve 13 connected between the other end of the refrigeration heat exchanger 12 and the second on-off valve 14 are provided. A heat pump type air conditioning and refrigeration system that is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7619588U JPH01178564U (en) | 1988-06-08 | 1988-06-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7619588U JPH01178564U (en) | 1988-06-08 | 1988-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01178564U true JPH01178564U (en) | 1989-12-21 |
Family
ID=31301236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7619588U Pending JPH01178564U (en) | 1988-06-08 | 1988-06-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01178564U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4916029U (en) * | 1972-05-15 | 1974-02-09 | ||
| JPS5612523U (en) * | 1979-07-09 | 1981-02-03 | ||
| JPS631150U (en) * | 1986-06-20 | 1988-01-06 |
-
1988
- 1988-06-08 JP JP7619588U patent/JPH01178564U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4916029U (en) * | 1972-05-15 | 1974-02-09 | ||
| JPS5612523U (en) * | 1979-07-09 | 1981-02-03 | ||
| JPS631150U (en) * | 1986-06-20 | 1988-01-06 |