JPS63159139U - - Google Patents
Info
- Publication number
- JPS63159139U JPS63159139U JP5264987U JP5264987U JPS63159139U JP S63159139 U JPS63159139 U JP S63159139U JP 5264987 U JP5264987 U JP 5264987U JP 5264987 U JP5264987 U JP 5264987U JP S63159139 U JPS63159139 U JP S63159139U
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- outdoor
- temperature
- refrigeration system
- outdoor fan
- 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 description 2
- 238000001514 detection method Methods 0.000 claims 2
- 229910004441 Ta−Tc Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
Description
第１図は本考案の実施例にかかる冷凍装置のシ
ステム図、第２図は本考案の冷凍装置におけるク
レーム対応図、第３図は本考案の実施例における
冷凍装置における制御装置の作用を説明するため
のフローチヤート、第４図は本考案の実施例にか
かる冷凍装置と室外フアン制御を行わない場合の
冷凍装置（即ち、比較例）とにおける暖房運転時
の冷媒温度変化を示す特性図である。
１……圧縮機、２……四路切換弁、３……室外
熱交換器、４……膨張機構、５……室内熱交換器
、７……室外フアン、８……室内フアン、９……
制御装置、１０……外気温センサー、１１……熱
交温度センサー。
Fig. 1 is a system diagram of a refrigeration system according to an embodiment of the present invention, Fig. 2 is a complaint response diagram for the refrigeration system of the present invention, and Fig. 3 explains the operation of the control device in the refrigeration system according to an embodiment of the present invention. FIG. 4 is a characteristic diagram showing refrigerant temperature changes during heating operation in a refrigeration system according to an embodiment of the present invention and a refrigeration system without outdoor fan control (i.e., a comparative example). be. DESCRIPTION OF SYMBOLS 1... Compressor, 2... Four-way switching valve, 3... Outdoor heat exchanger, 4... Expansion mechanism, 5... Indoor heat exchanger, 7... Outdoor fan, 8... Indoor fan, 9... …
Control device, 10... outside temperature sensor, 11... heat exchanger temperature sensor.
Claims (1)
フアン７が併設された室外熱交換器３、膨張機構
４および室内フアン８が併設された室内熱交換器
５を備え、前記四路切換弁２の切換作動により圧
縮機１からの冷媒を可逆的に循環せしめ得るよう
に構成された冷凍装置において、室外空気温度Ｔ
ａを検知する外気温検知手段１０と、前記室外熱
交換器３の温度Ｔｃを検知する熱交温度検知手段
１１と、前記外気温検知手段１０および熱交温度
検知手段１１からの温度情報に基づき両者の差温
ΔＴ＝Ｔａ―Ｔｃを演算する演算手段、該演算手
段により得られた差温ΔＴとデフロスト運転開始
のための第１設定値ΔＴ１より小さな第２設定値
ΔＴ２とを比較する判定手段および該判定手段に
よりΔＴ≧ΔＴ２と判定された時前記室外フアン
７を高風量運転させるべき指令を出力する室外フ
アン運転制御手段を有する制御装置９とを付設し
たことを特徴とする冷凍装置。 A compressor 1, a four-way switching valve 2, an outdoor heat exchanger 3 equipped with an outdoor fan 7 capable of controlling air volume, an indoor heat exchanger 5 equipped with an expansion mechanism 4 and an indoor fan 8, and the four-way switching In a refrigeration system configured to reversibly circulate refrigerant from a compressor 1 by switching a valve 2, the outdoor air temperature T
Based on the temperature information from the outside temperature detection means 10 and the heat exchanger temperature detection means 11, A calculation means for calculating the temperature difference ΔT=Ta−Tc between the two, and comparing the temperature difference ΔT obtained by the calculation means with a second set value ΔT 2 smaller than the first set value ΔT 1 for starting the defrost operation. A refrigeration system characterized in that it is equipped with a determining means and a control device 9 having an outdoor fan operation control means for outputting a command to operate the outdoor fan 7 at a high air volume when the determining means determines that ΔT≧ ΔT2 . Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5264987U JPS63159139U (en) | 1987-04-06 | 1987-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5264987U JPS63159139U (en) | 1987-04-06 | 1987-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63159139U true JPS63159139U (en) | 1988-10-18 |
Family
ID=30878006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5264987U Pending JPS63159139U (en) | 1987-04-06 | 1987-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63159139U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011011686A (en) * | 2009-07-03 | 2011-01-20 | Denso Corp | Control method for vehicular air conditioner |
| JP2014145572A (en) * | 2013-01-30 | 2014-08-14 | Denso Corp | Heat pump device |
-
1987
- 1987-04-06 JP JP5264987U patent/JPS63159139U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011011686A (en) * | 2009-07-03 | 2011-01-20 | Denso Corp | Control method for vehicular air conditioner |
| JP2014145572A (en) * | 2013-01-30 | 2014-08-14 | Denso Corp | Heat pump device |
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