JPH0457172U - - Google Patents
Info
- Publication number
- JPH0457172U JPH0457172U JP9943290U JP9943290U JPH0457172U JP H0457172 U JPH0457172 U JP H0457172U JP 9943290 U JP9943290 U JP 9943290U JP 9943290 U JP9943290 U JP 9943290U JP H0457172 U JPH0457172 U JP H0457172U
- Authority
- JP
- Japan
- Prior art keywords
- control operation
- low pressure
- refrigerant
- capacity control
- pressure side
- 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 7
- 239000003507 refrigerant Substances 0.000 claims 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Rotary Pumps (AREA)
Description
第１図はこの考案の一実施例における冷凍装置
の制御回路図、第２図は一般的なバイパスアンロ
ード方式の容量制御機構を有する冷凍装置の冷凍
サイクル構成図、第３図は容量制御機構を有する
スクロール圧縮機の構成を示す断面図、第４図は
従来の冷凍装置の制御回路図である。
図において、１３はホツトガスデフロスト制御
運転信号である。尚、各図中同一符号は同一また
は相当部分を示す。
Fig. 1 is a control circuit diagram of a refrigeration system according to an embodiment of this invention, Fig. 2 is a refrigeration cycle configuration diagram of a refrigeration system having a general bypass unloading capacity control mechanism, and Fig. 3 is a capacity control mechanism. FIG. 4 is a sectional view showing the configuration of a scroll compressor having the following configuration, and FIG. 4 is a control circuit diagram of a conventional refrigeration system. In the figure, 13 is a hot gas defrost control operation signal. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
中の冷媒の一部を上記低圧側へ戻すことにより容
量制御運転を行なうようにした冷凍装置において
、上記容量制御運転よりホツトガスデフロスト制
御運転を優先させるようにしたことを特徴とする
冷凍装置。 In a refrigeration system that performs capacity control operation by returning part of the refrigerant in the middle of compression to the low pressure side according to the refrigerant pressure on the low pressure side of the refrigeration cycle, priority is given to hot gas defrost control operation over the capacity control operation. A refrigeration device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9943290U JPH0457172U (en) | 1990-09-20 | 1990-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9943290U JPH0457172U (en) | 1990-09-20 | 1990-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0457172U true JPH0457172U (en) | 1992-05-15 |
Family
ID=31841352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9943290U Pending JPH0457172U (en) | 1990-09-20 | 1990-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0457172U (en) |
-
1990
- 1990-09-20 JP JP9943290U patent/JPH0457172U/ja active Pending
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