JPS5340450A - Defrost system of air cool heat pump type air conditioner - Google Patents

Defrost system of air cool heat pump type air conditioner

Info

Publication number
JPS5340450A
JPS5340450A JP11476876A JP11476876A JPS5340450A JP S5340450 A JPS5340450 A JP S5340450A JP 11476876 A JP11476876 A JP 11476876A JP 11476876 A JP11476876 A JP 11476876A JP S5340450 A JPS5340450 A JP S5340450A
Authority
JP
Japan
Prior art keywords
heat pump
capacity
pump type
heating capacity
cool heat
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
Application number
JP11476876A
Other languages
Japanese (ja)
Other versions
JPS5333776B2 (en
Inventor
Takao Chiaki
Noritada Kato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP11476876A priority Critical patent/JPS5340450A/en
Publication of JPS5340450A publication Critical patent/JPS5340450A/en
Publication of JPS5333776B2 publication Critical patent/JPS5333776B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To enable to indicate the exact defrosting timing by deciding the defrost start in comparing the pre-set value with the ratio of heating capacity under no-frost in corresponding to the outside air termperature during detecting time of heating operation to the actual heating capacity. Room temperature, outside temperature and refrigerant temperature or pressure are detected, and defrost-start-time is decided in comparing the pre-set value and the ratio of the pre-set heating capacity (no-frost period capacity) under the detect room temperature and outside temperature to the actual heating capacity (frosting period capacity).
COPYRIGHT: (C)1978,JPO&Japio
JP11476876A 1976-09-27 1976-09-27 Defrost system of air cool heat pump type air conditioner Granted JPS5340450A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11476876A JPS5340450A (en) 1976-09-27 1976-09-27 Defrost system of air cool heat pump type air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11476876A JPS5340450A (en) 1976-09-27 1976-09-27 Defrost system of air cool heat pump type air conditioner

Publications (2)

Publication Number Publication Date
JPS5340450A true JPS5340450A (en) 1978-04-13
JPS5333776B2 JPS5333776B2 (en) 1978-09-16

Family

ID=14646194

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11476876A Granted JPS5340450A (en) 1976-09-27 1976-09-27 Defrost system of air cool heat pump type air conditioner

Country Status (1)

Country Link
JP (1) JPS5340450A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5649538U (en) * 1979-09-21 1981-05-01
JPS58188239A (en) * 1982-04-22 1983-11-02 Minolta Camera Co Ltd Automatic paper feeder
JPS59153738A (en) * 1983-02-18 1984-09-01 Fuji Xerox Co Ltd Paper feeder for copying machine
JPS61106340A (en) * 1984-10-31 1986-05-24 Matsushita Electric Ind Co Ltd Paper supply device
CN108800416A (en) * 2018-05-24 2018-11-13 青岛海尔空调器有限总公司 air conditioner defrosting control method
CN111380263A (en) * 2020-03-18 2020-07-07 广东海悟科技有限公司 Control method for entering defrosting mode, computer storage medium and heat pump unit
WO2020145281A1 (en) * 2019-01-08 2020-07-16 三菱電機株式会社 Refrigeration system
JP2020112343A (en) * 2019-01-08 2020-07-27 三菱電機株式会社 Refrigeration system
CN114459152A (en) * 2022-03-01 2022-05-10 浙江乾丰智能科技有限公司 Method for predicting frosting of air energy water heater

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03103185U (en) * 1990-02-08 1991-10-25

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5649538U (en) * 1979-09-21 1981-05-01
JPS58188239A (en) * 1982-04-22 1983-11-02 Minolta Camera Co Ltd Automatic paper feeder
JPS59153738A (en) * 1983-02-18 1984-09-01 Fuji Xerox Co Ltd Paper feeder for copying machine
JPS61106340A (en) * 1984-10-31 1986-05-24 Matsushita Electric Ind Co Ltd Paper supply device
CN108800416A (en) * 2018-05-24 2018-11-13 青岛海尔空调器有限总公司 air conditioner defrosting control method
WO2020145281A1 (en) * 2019-01-08 2020-07-16 三菱電機株式会社 Refrigeration system
JP2020112343A (en) * 2019-01-08 2020-07-27 三菱電機株式会社 Refrigeration system
CN111380263A (en) * 2020-03-18 2020-07-07 广东海悟科技有限公司 Control method for entering defrosting mode, computer storage medium and heat pump unit
CN114459152A (en) * 2022-03-01 2022-05-10 浙江乾丰智能科技有限公司 Method for predicting frosting of air energy water heater
CN114459152B (en) * 2022-03-01 2024-01-16 北溪特(浙江)科技有限公司 Method for predicting frosting of air energy water heater

Also Published As

Publication number Publication date
JPS5333776B2 (en) 1978-09-16

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