JPS57172128A - Overload operation preventive device for air conditioner - Google Patents

Overload operation preventive device for air conditioner

Info

Publication number
JPS57172128A
JPS57172128A JP56057165A JP5716581A JPS57172128A JP S57172128 A JPS57172128 A JP S57172128A JP 56057165 A JP56057165 A JP 56057165A JP 5716581 A JP5716581 A JP 5716581A JP S57172128 A JPS57172128 A JP S57172128A
Authority
JP
Japan
Prior art keywords
compressor
temperature
switch
blower motor
overload operation
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
JP56057165A
Other languages
Japanese (ja)
Inventor
Kyoji Yamane
Kenji Suzuki
Ryoji Kanari
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 JP56057165A priority Critical patent/JPS57172128A/en
Publication of JPS57172128A publication Critical patent/JPS57172128A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/027—Condenser control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/11—Fan speed control
    • F25B2600/111—Fan speed control of condenser fans
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

PURPOSE:To increase the heat radiating effect of a condenser and to prevent the overload operation of a compressor by a method wherein the temperature or the condensing pressure of the condenser is detected and the number of revolutions of a blower motor is increased. CONSTITUTION:A power switch 14a is connected to one of terminals of the compressor 6 through a series circuit of a temperature adjuster 15 and the overload operation preventive device and a switch 14b is connected to the other terminal of the compressor 6. Further, the blower motor 11, a switch 19 and a temperature responsive switch 20 are connected in series with one another between a point P positioned between the temperature adjuster 15 and the overload operation preventive device 16 and a point Q positioned between the switch 14b and the compressor 6. The temperature responsive switch 20 switches automatically the rotation speed of the blower motor 11 to the maximum when the condensing temperature of the compressor exceeds a preset value. With the above structure, when the amount of heat radiation of the air conditioner runs short and the condensing pressure thereof rises, the blower motor 11 is switched to have a high speed so that the condensing temperature is prevented from rising excessively and the compressor 6 is not overloaded to thereby keep continued a cooling operation.
JP56057165A 1981-04-17 1981-04-17 Overload operation preventive device for air conditioner Pending JPS57172128A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56057165A JPS57172128A (en) 1981-04-17 1981-04-17 Overload operation preventive device for air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56057165A JPS57172128A (en) 1981-04-17 1981-04-17 Overload operation preventive device for air conditioner

Publications (1)

Publication Number Publication Date
JPS57172128A true JPS57172128A (en) 1982-10-22

Family

ID=13047939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56057165A Pending JPS57172128A (en) 1981-04-17 1981-04-17 Overload operation preventive device for air conditioner

Country Status (1)

Country Link
JP (1) JPS57172128A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112628952A (en) * 2020-12-04 2021-04-09 珠海格力电器股份有限公司 Air supply control system and control method for air conditioner
CN114636238A (en) * 2022-04-19 2022-06-17 珠海格力电器股份有限公司 Motor temperature rise control method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4721975U (en) * 1971-03-19 1972-11-11
JPS5016427U (en) * 1973-06-11 1975-02-21

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4721975U (en) * 1971-03-19 1972-11-11
JPS5016427U (en) * 1973-06-11 1975-02-21

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112628952A (en) * 2020-12-04 2021-04-09 珠海格力电器股份有限公司 Air supply control system and control method for air conditioner
CN114636238A (en) * 2022-04-19 2022-06-17 珠海格力电器股份有限公司 Motor temperature rise control method

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