JPS6419886U - - Google Patents
Info
- Publication number
- JPS6419886U JPS6419886U JP11600887U JP11600887U JPS6419886U JP S6419886 U JPS6419886 U JP S6419886U JP 11600887 U JP11600887 U JP 11600887U JP 11600887 U JP11600887 U JP 11600887U JP S6419886 U JPS6419886 U JP S6419886U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- heat storage
- storage agent
- defrost
- evaporator
- 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
- 238000005338 heat storage Methods 0.000 claims description 11
- 239000011232 storage material Substances 0.000 claims description 9
- 238000010257 thawing Methods 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 claims description 6
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Defrosting Systems (AREA)
Description
第１図はこの考案の一実施例による冷凍装置の
除霜制御回路のブロツク図、第２図はこの考案の
一実施例による冷凍装置の除霜制御手段の動作を
示すフローチヤート、第３図はこの考案の一実施
例による冷凍装置の除霜制御手段の庫内温度と蓄
熱剤温度とによる動作説明図、第４図は冷凍サイ
クル構成図である。
図において、１は圧縮機、２は凝縮器、３は絞
り装置、４は蒸発器、９は蓄熱槽、９ａは蓄熱剤
、１０は高圧側熱交換路、１１は低圧側熱交換路
、２１は蓄熱剤温度検出器、２２は庫内温度検出
器、２３は除霜開始信号発生回路、３０は選択回
路である。なお、各図中、同一符号は同一、又は
相当部分を示す。
FIG. 1 is a block diagram of a defrosting control circuit for a refrigeration system according to an embodiment of this invention, FIG. 2 is a flowchart showing the operation of a defrosting control means for a refrigeration system according to an embodiment of this invention, and FIG. 4 is an explanatory diagram of the operation of the defrosting control means of the refrigeration system according to an embodiment of this invention according to the internal temperature and the temperature of the heat storage agent, and FIG. 4 is a diagram showing the configuration of the refrigeration cycle. In the figure, 1 is a compressor, 2 is a condenser, 3 is a throttle device, 4 is an evaporator, 9 is a heat storage tank, 9a is a heat storage agent, 10 is a high pressure side heat exchange path, 11 is a low pressure side heat exchange path, 21 2 is a heat storage agent temperature detector, 22 is an internal temperature detector, 23 is a defrosting start signal generation circuit, and 30 is a selection circuit. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
圧側と低圧側とにそれぞれ設けられた熱交換路並
びに蓄熱剤を内蔵する蓄熱槽を備えた冷凍装置に
おいて、除霜開始信号発生回路の出力によつて、
上記絞り装置を側路し上記圧縮機から吐出される
高温の冷媒を上記蒸発器に供給して除霜を行ない
、かつ上記蒸発器から送出される液冷媒を上記低
圧側熱交換路に供給して上記蓄熱剤を冷却するホ
ツトガスデフロスト手段、除霜開始信号発生回路
の出力によつて、上記圧縮機の運転を停止するオ
フサイクルデフロスト手段、冷蔵庫または冷凍庫
の庫内温度を検出する庫内温度検出器、上記蓄熱
剤の温度を検出する蓄熱剤温度検出器、上記庫内
温度が設定温度以上で、蓄熱剤温度が所定温度以
下のときは上記除霜開始信号発生回路の出力によ
つて上記オフサイクルデフロストを選択し、上記
庫内温度が設定温度以下のとき、または上記蓄熱
剤温度が所定温度以上のときは上記ホツトガスデ
フロストを選択する選択回路を備えたことを特徴
とする冷凍装置の除霜制御手段。 In a refrigeration system equipped with a compressor, a condenser, a throttle device, an evaporator, heat exchange paths provided on the high-pressure side and low-pressure side, and a heat storage tank containing a heat storage agent, the output of the defrost start signal generation circuit According to
By bypassing the expansion device, high-temperature refrigerant discharged from the compressor is supplied to the evaporator for defrosting, and liquid refrigerant discharged from the evaporator is supplied to the low-pressure side heat exchange path. hot gas defrost means for cooling the heat storage agent, off-cycle defrost means for stopping the operation of the compressor based on the output of the defrosting start signal generation circuit, and internal temperature for detecting the internal temperature of the refrigerator or freezer. a detector, a heat storage agent temperature detector that detects the temperature of the heat storage agent; when the temperature inside the refrigerator is above the set temperature and the temperature of the heat storage agent is below the predetermined temperature, the defrosting start signal generation circuit detects the above A refrigeration system comprising a selection circuit that selects off-cycle defrost and selects hot gas defrost when the temperature inside the refrigerator is below a set temperature or when the temperature of the heat storage agent is above a predetermined temperature. Defrost control means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11600887U JPS6419886U (en) | 1987-07-28 | 1987-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11600887U JPS6419886U (en) | 1987-07-28 | 1987-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6419886U true JPS6419886U (en) | 1989-01-31 |
Family
ID=31358174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11600887U Pending JPS6419886U (en) | 1987-07-28 | 1987-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6419886U (en) |
-
1987
- 1987-07-28 JP JP11600887U patent/JPS6419886U/ja active Pending
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