JPH01167563U - - Google Patents
Info
- Publication number
- JPH01167563U JPH01167563U JP6471388U JP6471388U JPH01167563U JP H01167563 U JPH01167563 U JP H01167563U JP 6471388 U JP6471388 U JP 6471388U JP 6471388 U JP6471388 U JP 6471388U JP H01167563 U JPH01167563 U JP H01167563U
- Authority
- JP
- Japan
- Prior art keywords
- hot gas
- bypass path
- heat exchanger
- gas bypass
- bypasses
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims 1
- 239000003507 refrigerant Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Defrosting Systems (AREA)
- Air Conditioning Control Device (AREA)
Description
第１図は本考案にかかる冷凍装置を示す配管系
統図、第２図は他の実施例を示す配管系統図、第
３図は従来例を示す配管系統図である。
１……圧縮機、３……凝縮器、５……蒸発器、
６……ホツトガスバイパス路、７……ホツトガス
弁、８……計量部、８１……第１開閉弁、８２…
…第２開閉弁、９……加熱手段、９１……熱交換
器、９２……迂回路、９３……選択機構。
FIG. 1 is a piping system diagram showing a refrigeration system according to the present invention, FIG. 2 is a piping system diagram showing another embodiment, and FIG. 3 is a piping system diagram showing a conventional example. 1... Compressor, 3... Condenser, 5... Evaporator,
6...Hot gas bypass path, 7...Hot gas valve, 8...Measuring section, 81...First on-off valve, 82...
...Second on-off valve, 9...Heating means, 91...Heat exchanger, 92...Detour, 93...Selection mechanism.
Claims (1)
器３を側路して蒸発器５に導入するホツトガスバ
イパス路６と、該バイパス路６にホツトガスをバ
イパスさせるホツトガス弁７とを備え、前記圧縮
機１とホツトガスバイパス路６及び蒸発器５との
間にデフロスト回路を形成し、デフロスト運転可
能とした冷凍装置において、前記凝縮器３の下流
側に、該凝縮器３を含む液溜部の冷媒を計量する
１対の開閉弁８１，８２をもつた計量部８を設け
ると共に、デフロスト運転時、前記計量部８を加
熱する加熱手段９を設けていることを特徴とする
冷凍装置。 (2) 加熱手段９が、デフロスト運転時ホツトガ
スが流れるデフロスト回路における高圧ガス管と
連通する熱交換器９１を備えている請求項１記載
の冷凍装置。 (3) 加熱手段９が、ホツトガスバイパス路６に
介装される熱交換器９１を備え、かつ、前記ホツ
トガスバイパス路６に、前記熱交換器９１を側路
する迂回路９２を設けると共に、前記熱交換器９
１と迂回路９２とを選択する選択機構９３を設け
ている請求項１記載の冷凍装置。[Claims for Utility Model Registration] (1) A hot gas bypass path 6 that bypasses the condenser 3 and introduces the hot gas discharged from the compressor 1 into the evaporator 5, and a hot gas bypass path 6 that bypasses the hot gas. In the refrigeration system, a defrost circuit is formed between the compressor 1, the hot gas bypass path 6, and the evaporator 5, and a defrost operation is possible. A metering section 8 having a pair of on-off valves 81 and 82 for metering the refrigerant in the liquid reservoir section including the condenser 3 is provided, as well as a heating means 9 for heating the metering section 8 during defrost operation. A refrigeration device featuring: (2) The refrigeration system according to claim 1, wherein the heating means 9 includes a heat exchanger 91 communicating with a high-pressure gas pipe in a defrost circuit through which hot gas flows during defrost operation. (3) The heating means 9 includes a heat exchanger 91 interposed in the hot gas bypass path 6, and the hot gas bypass path 6 is provided with a detour path 92 that bypasses the heat exchanger 91. , the heat exchanger 9
2. The refrigeration system according to claim 1, further comprising a selection mechanism 93 for selecting between the detour route 92 and the detour route 92.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6471388U JPH0539412Y2 (en) | 1988-05-16 | 1988-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6471388U JPH0539412Y2 (en) | 1988-05-16 | 1988-05-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01167563U true JPH01167563U (en) | 1989-11-24 |
| JPH0539412Y2 JPH0539412Y2 (en) | 1993-10-06 |
Family
ID=31290176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6471388U Expired - Lifetime JPH0539412Y2 (en) | 1988-05-16 | 1988-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0539412Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101245875B1 (en) * | 2011-02-07 | 2013-03-20 | 김경규 | Heat pump cooling and heating system having defrosting function |
-
1988
- 1988-05-16 JP JP6471388U patent/JPH0539412Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101245875B1 (en) * | 2011-02-07 | 2013-03-20 | 김경규 | Heat pump cooling and heating system having defrosting function |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0539412Y2 (en) | 1993-10-06 |
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