JPS5863384U - Low pressure switch for refrigerators - Google Patents
Low pressure switch for refrigeratorsInfo
- Publication number
- JPS5863384U JPS5863384U JP15919381U JP15919381U JPS5863384U JP S5863384 U JPS5863384 U JP S5863384U JP 15919381 U JP15919381 U JP 15919381U JP 15919381 U JP15919381 U JP 15919381U JP S5863384 U JPS5863384 U JP S5863384U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- low
- pressure switch
- refrigerator
- output
- 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
- 238000010586 diagram Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000008020 evaporation Effects 0.000 claims 2
- 238000001704 evaporation Methods 0.000 claims 2
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は冷凍機の回路図、第２図は冷凍サイクルおよび
等温線を表わしたモリエル線図、第３図、第４図はこの
考案の実施例を示すもので、第３図は回路構成を示すブ
ロック図、第４図は温度表示器のレイアウトを示したス
イッチの正面外形図である。
１：圧縮機、２：＠縮器、３：膨張弁、４・：蒸発器、
５：冷凍回路、６：圧縮機の給電回路、７：電磁開閉器
、８：低圧圧力スイッチ、８２：圧力センサ。Figure 1 is a circuit diagram of the refrigerator, Figure 2 is a Mollier diagram showing the refrigeration cycle and isothermal lines, Figures 3 and 4 are examples of this invention, and Figure 3 is the circuit configuration. FIG. 4 is a front external view of the switch showing the layout of the temperature indicator. 1: Compressor, 2: @Compressor, 3: Expansion valve, 4: Evaporator,
5: Refrigeration circuit, 6: Compressor power supply circuit, 7: Electromagnetic switch, 8: Low pressure switch, 82: Pressure sensor.
Claims (2)
値に基づいて圧縮機を運転征制御する冷凍機用低圧圧力
スイッチにおいて、低圧ガスラインのガス圧力を検出す
る圧力センサ、モリエル線図を基に圧力センサの出力値
を冷媒の蒸発温度に換算する変換回路、冷凍機のカット
インおよびカットアウト温度を設定する温度設定器、前
記変換回路の出力値と温度設定値とを比較する比較回路
、および比較回路の出力で応動する冷凍機制御用の出力
リレーとからなることを特徴とする冷凍機用低圧圧力ス
イッチ。(1) In the low-pressure switch for a refrigerator, which controls the operation of the compressor based on the refrigerant pressure detected in the low-pressure gas line in the refrigeration circuit, the pressure sensor that detects the gas pressure in the low-pressure gas line is based on the Mollier diagram. A conversion circuit that converts the output value of the pressure sensor into the evaporation temperature of the refrigerant, a temperature setting device that sets the cut-in and cut-out temperatures of the refrigerator, a comparison circuit that compares the output value of the conversion circuit with a temperature setting value, and A low pressure switch for a refrigerator, comprising an output relay for controlling the refrigerator that responds to the output of a comparison circuit.
スイッチにおいて、圧力センサの出力を基に得た冷媒の
蒸発温度、および温度設定器で設定された温度を表示す
る表示器を備えた冷凍機用低圧圧力スイッチ。(2) Utility Model Registration Scope of Claims The low-pressure pressure switch according to claim 1 includes a display that displays the evaporation temperature of the refrigerant obtained based on the output of the pressure sensor and the temperature set by the temperature setting device. Low pressure switch for refrigerators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15919381U JPS5863384U (en) | 1981-10-26 | 1981-10-26 | Low pressure switch for refrigerators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15919381U JPS5863384U (en) | 1981-10-26 | 1981-10-26 | Low pressure switch for refrigerators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5863384U true JPS5863384U (en) | 1983-04-28 |
Family
ID=29951655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15919381U Pending JPS5863384U (en) | 1981-10-26 | 1981-10-26 | Low pressure switch for refrigerators |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5863384U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5183258A (en) * | 1975-01-20 | 1976-07-21 | Mitsubishi Heavy Ind Ltd | JOHATSUKYO BOCHOBENNOSEIGYOHO |
| JPS5451011A (en) * | 1977-09-30 | 1979-04-21 | Nakano Reitoki Seisakusho | Compressor unloader for refrigerator |
-
1981
- 1981-10-26 JP JP15919381U patent/JPS5863384U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5183258A (en) * | 1975-01-20 | 1976-07-21 | Mitsubishi Heavy Ind Ltd | JOHATSUKYO BOCHOBENNOSEIGYOHO |
| JPS5451011A (en) * | 1977-09-30 | 1979-04-21 | Nakano Reitoki Seisakusho | Compressor unloader for refrigerator |
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