JPS6238569U - - Google Patents
Info
- Publication number
- JPS6238569U JPS6238569U JP12978285U JP12978285U JPS6238569U JP S6238569 U JPS6238569 U JP S6238569U JP 12978285 U JP12978285 U JP 12978285U JP 12978285 U JP12978285 U JP 12978285U JP S6238569 U JPS6238569 U JP S6238569U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- defrost
- thermoswitch
- refrigeration system
- control circuit
- 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 3
- 238000010257 thawing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
第１図は本考案の冷凍装置の制御回路の実施例
を示す電気回路図、第２図は冷媒の高圧圧力の特
性曲線を示す説明図、第３図は従来例を示す電気
回路図である。
１……圧縮機、２……電磁開閉器、２ａ……接
点、３ａ，３ｂ……凝縮器用送風機、４……外気
サーモスイツチの接点、５……除霜用ヒーター、
６……補助リレー、６ａ，６ｂ……接点、７ａ…
…過電流継電器の接点、７ｂ……過電流継電器の
検出部、８……高圧圧力スイツチの接点、９……
低圧圧力スイツチの接点、１０……庫内サーモス
イツチの接点、１１……除霜開始タイマーリレー
、１１ａ……接点、１２……除霜終了サーモスイ
ツチの接点、１３……自己保持用補助リレー、１
３ａ，１３ｂ……接点、１４……送風機用補助リ
レー、１４ａ……接点。
Fig. 1 is an electric circuit diagram showing an embodiment of the control circuit of the refrigeration system of the present invention, Fig. 2 is an explanatory diagram showing a characteristic curve of high pressure of refrigerant, and Fig. 3 is an electric circuit diagram showing a conventional example. . 1...Compressor, 2...Electromagnetic switch, 2a...Contact, 3a, 3b...Condenser blower, 4...Outside air thermoswitch contact, 5...Defrosting heater,
6...Auxiliary relay, 6a, 6b...Contact, 7a...
...Contact of overcurrent relay, 7b...Detection part of overcurrent relay, 8...Contact of high pressure switch, 9...
Contact of low pressure pressure switch, 10...Contact of internal thermo switch, 11...Defrost start timer relay, 11a...Contact, 12...Contact of defrost end thermo switch, 13...Auxiliary relay for self-holding, 1
3a, 13b...Contact, 14...Auxiliary relay for blower, 14a...Contact.
Claims (1)
継電器とを備えた圧縮機の制御回路と、除霜運転
停止を制御する除霜開始タイマーのリレーと、除
霜終了サーモスイツチとを備えた冷凍装置の制御
回路において、複数個の凝縮器用送風機の少なく
とも一部をオンオフする外気サーモスイツチに、
前記除霜開始タイマーのリレーが動作している間
は閉じる送風機用補助リレーの接点を並列に接続
したことを特徴とする冷凍装置の制御回路。 A compressor control circuit that includes a high pressure switch, a low pressure switch, and an overcurrent relay, a defrost start timer relay that controls defrost operation stop, and a defrost end thermoswitch that controls a refrigeration system. in the circuit, an outside air thermoswitch that turns on and off at least a portion of the plurality of condenser blowers;
A control circuit for a refrigeration system, characterized in that contacts of an auxiliary relay for a blower, which is closed while the defrosting start timer relay is operating, are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12978285U JPS6238569U (en) | 1985-08-26 | 1985-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12978285U JPS6238569U (en) | 1985-08-26 | 1985-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6238569U true JPS6238569U (en) | 1987-03-07 |
Family
ID=31026664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12978285U Pending JPS6238569U (en) | 1985-08-26 | 1985-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6238569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009115913A (en) * | 2007-11-02 | 2009-05-28 | Brother Ind Ltd | Image forming apparatus |
-
1985
- 1985-08-26 JP JP12978285U patent/JPS6238569U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009115913A (en) * | 2007-11-02 | 2009-05-28 | Brother Ind Ltd | Image forming apparatus |
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