JPH0188353U - - Google Patents
Info
- Publication number
- JPH0188353U JPH0188353U JP18408487U JP18408487U JPH0188353U JP H0188353 U JPH0188353 U JP H0188353U JP 18408487 U JP18408487 U JP 18408487U JP 18408487 U JP18408487 U JP 18408487U JP H0188353 U JPH0188353 U JP H0188353U
- Authority
- JP
- Japan
- Prior art keywords
- gas temperature
- discharge
- expansion valve
- electric expansion
- discharge gas
- 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
- 239000003507 refrigerant Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Air Conditioning Control Device (AREA)
Description
第１図はこの考案の一実施例による冷媒回路及
び制御装置の構成、第２図は制御動作のフローチ
ヤート、第３図はモリエル線図を示す。また第４
図は従来の冷媒回路及び制御装置の構成第５図は
モリエル線図を示す。
１は圧縮機、３は電気式膨張弁、４は蒸発器、
５は吸込ガス温度センサ、８は吐出ガス温度セン
サ、９は吐出圧力センサ。なお、図中、同一符号
は同一または相当部分を示す。
FIG. 1 shows the configuration of a refrigerant circuit and control device according to an embodiment of this invention, FIG. 2 shows a flowchart of control operation, and FIG. 3 shows a Mollier diagram. Also the fourth
The figure shows the configuration of a conventional refrigerant circuit and control device. FIG. 5 shows a Mollier diagram. 1 is a compressor, 3 is an electric expansion valve, 4 is an evaporator,
5 is a suction gas temperature sensor, 8 is a discharge gas temperature sensor, and 9 is a discharge pressure sensor. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
縮機と蒸発器を接続する配管に吸込ガス温度セン
サ、吸込圧力センサを設けた冷媒流量制御におい
て上記圧縮機の吐出配管に吐出ガス温度センサ、
吐出圧力センサを設け、吐出ガス温度が所定値以
下の場合には、吸込ガスの過熱度により電気式膨
張弁の開度調整を行い、吐出ガス温度が所定値を
超した場合には、吐出ガスの過熱度により電気式
膨張弁の開度調整を行うようにしたことを特徴と
する冷媒流量制御装置。 In a vapor compression refrigeration system, in which a suction gas temperature sensor and a suction pressure sensor are provided in the piping connecting the compressor and the evaporator using an electric expansion valve to control refrigerant flow rate, a discharge gas temperature sensor is provided in the discharge piping of the compressor,
A discharge pressure sensor is installed, and when the discharge gas temperature is below a predetermined value, the opening of the electric expansion valve is adjusted according to the degree of superheating of the suction gas, and when the discharge gas temperature exceeds a predetermined value, the discharge gas A refrigerant flow rate control device characterized in that the opening degree of an electric expansion valve is adjusted according to the degree of superheating of the refrigerant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18408487U JPH0188353U (en) | 1987-12-01 | 1987-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18408487U JPH0188353U (en) | 1987-12-01 | 1987-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0188353U true JPH0188353U (en) | 1989-06-12 |
Family
ID=31475470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18408487U Pending JPH0188353U (en) | 1987-12-01 | 1987-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0188353U (en) |
-
1987
- 1987-12-01 JP JP18408487U patent/JPH0188353U/ja active Pending