JPS5839440U - Defrosting control of air-cooled heat pump air conditioners - Google Patents

Defrosting control of air-cooled heat pump air conditioners

Info

Publication number
JPS5839440U
JPS5839440U JP13302781U JP13302781U JPS5839440U JP S5839440 U JPS5839440 U JP S5839440U JP 13302781 U JP13302781 U JP 13302781U JP 13302781 U JP13302781 U JP 13302781U JP S5839440 U JPS5839440 U JP S5839440U
Authority
JP
Japan
Prior art keywords
air
heat pump
cooled heat
defrosting control
air conditioners
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
Application number
JP13302781U
Other languages
Japanese (ja)
Inventor
崎下　慎一
Original Assignee
株式会社日立製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP13302781U priority Critical patent/JPS5839440U/en
Publication of JPS5839440U publication Critical patent/JPS5839440U/en
Pending legal-status Critical Current

Links

Landscapes

  • Air Conditioning Control Device (AREA)

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は外気温度と室内温度が一定の条件において、着
霜がある場合とない場合の蒸発温度の変化を示す図であ
る。 Ｃ・・・着霜がない場合の蒸発温度、Ｄ・・・着霜があ
る場合の蒸発温度。FIG. 1 is a diagram showing changes in evaporation temperature with and without frost formation under conditions where the outside air temperature and the indoor temperature are constant. C: Evaporation temperature when there is no frost, D: Evaporation temperature when there is frost.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 空冷ヒートポンプ式空調機において、暖房運転時の蒸発
温度と外気温度との温度差を検知し、単位時間当りの温
度差の増加割合が一定値以上になった時、除霜運転をす
るように制御したことを特徴とする空冷ヒートポンプ式
空調機の除霜制御。In an air-cooled heat pump type air conditioner, the temperature difference between the evaporation temperature and the outside air temperature during heating operation is detected, and when the rate of increase in temperature difference per unit time exceeds a certain value, it is controlled to perform defrosting operation. Defrosting control for air-cooled heat pump air conditioners.
JP13302781U 1981-09-09 1981-09-09 Defrosting control of air-cooled heat pump air conditioners Pending JPS5839440U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13302781U JPS5839440U (en) 1981-09-09 1981-09-09 Defrosting control of air-cooled heat pump air conditioners

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13302781U JPS5839440U (en) 1981-09-09 1981-09-09 Defrosting control of air-cooled heat pump air conditioners

Publications (1)

Publication Number Publication Date
JPS5839440U true JPS5839440U (en) 1983-03-15

Family

ID=29926514

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13302781U Pending JPS5839440U (en) 1981-09-09 1981-09-09 Defrosting control of air-cooled heat pump air conditioners

Country Status (1)

Country Link
JP (1) JPS5839440U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59219660A (en) * 1983-05-25 1984-12-11 シャープ株式会社 Air conditioner
JPS59219662A (en) * 1983-05-25 1984-12-11 シャープ株式会社 Air conditioner
JPS60233435A (en) * 1984-05-04 1985-11-20 Matsushita Seiko Co Ltd Controller for defrosting of air conditioner
JPH0297870A (en) * 1988-10-04 1990-04-10 Chubu Electric Power Co Inc Refrigerating machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59219660A (en) * 1983-05-25 1984-12-11 シャープ株式会社 Air conditioner
JPS59219662A (en) * 1983-05-25 1984-12-11 シャープ株式会社 Air conditioner
JPS60233435A (en) * 1984-05-04 1985-11-20 Matsushita Seiko Co Ltd Controller for defrosting of air conditioner
JPH0297870A (en) * 1988-10-04 1990-04-10 Chubu Electric Power Co Inc Refrigerating machine

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