JPS63212785A - Lock detecting system for compressor for inverter driven type air conditioner - Google Patents

Lock detecting system for compressor for inverter driven type air conditioner

Info

Publication number
JPS63212785A
JPS63212785A JP62046440A JP4644087A JPS63212785A JP S63212785 A JPS63212785 A JP S63212785A JP 62046440 A JP62046440 A JP 62046440A JP 4644087 A JP4644087 A JP 4644087A JP S63212785 A JPS63212785 A JP S63212785A
Authority
JP
Japan
Prior art keywords
input current
characteristic curve
curve under
lock
motor
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
JP62046440A
Inventor
Shinya Okada
Isao Shimomura
Satoshi Yoshikawa
Original Assignee
Daikin Ind 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 Daikin Ind Ltd filed Critical Daikin Ind Ltd
Priority to JP62046440A priority Critical patent/JPS63212785A/en
Publication of JPS63212785A publication Critical patent/JPS63212785A/en
Application status is Pending legal-status Critical

Links

Abstract

PURPOSE: To reliably carry out the lock detection, by setting a reference value of lock determination to be higher than an input current characteristic curve under a maximum load at normal starting and to be lower than a minimum input current characteristic curve under a constrained condition of a motor.
CONSTITUTION: An input current from an a.c. power 1 is detected by an input current sensor 6, and is rectified by a rectifier circuit 7. Then, it is input to a microcomputer 8 to control a frequency. In a period from starting of a motor 4 to stopping of an inverter 3 by detection of output eddy current, a lock signal is output when the input current exceeds a reference value set to be higher than an input current characteristic curve under a maximum load at normal starting and to be lower than a minimum input current characteristic curve under a constrained condition of the motor 4. Thus, the lock detection is reliably carried out.
COPYRIGHT: (C)1988,JPO&Japio
JP62046440A 1987-02-27 1987-02-27 Lock detecting system for compressor for inverter driven type air conditioner Pending JPS63212785A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62046440A JPS63212785A (en) 1987-02-27 1987-02-27 Lock detecting system for compressor for inverter driven type air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62046440A JPS63212785A (en) 1987-02-27 1987-02-27 Lock detecting system for compressor for inverter driven type air conditioner

Publications (1)

Publication Number Publication Date
JPS63212785A true JPS63212785A (en) 1988-09-05

Family

ID=12747223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62046440A Pending JPS63212785A (en) 1987-02-27 1987-02-27 Lock detecting system for compressor for inverter driven type air conditioner

Country Status (1)

Country Link
JP (1) JPS63212785A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013018326A1 (en) * 2011-07-29 2013-02-07 ダイキン工業株式会社 Refrigeration device for transportation
CN105370557A (en) * 2014-08-28 2016-03-02 上海日立电器有限公司 Protection system of variable frequency compressor
CN107100833A (en) * 2017-05-24 2017-08-29 泰州年糕房车技术有限公司 A kind of compressor protector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59132779A (en) * 1983-01-17 1984-07-30 Toshiba Corp Air conditioner
JPS60159545A (en) * 1984-01-30 1985-08-21 Sharp Corp Invertor driven type air conditioner

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59132779A (en) * 1983-01-17 1984-07-30 Toshiba Corp Air conditioner
JPS60159545A (en) * 1984-01-30 1985-08-21 Sharp Corp Invertor driven type air conditioner

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013018326A1 (en) * 2011-07-29 2013-02-07 ダイキン工業株式会社 Refrigeration device for transportation
JP2013050294A (en) * 2011-07-29 2013-03-14 Daikin Industries Ltd Refrigeration device for transportation
CN103733006A (en) * 2011-07-29 2014-04-16 大金工业株式会社 Refrigeration device for transportation
EP2738495A4 (en) * 2011-07-29 2015-09-02 Daikin Ind Ltd Refrigeration device for transportation
US9714781B2 (en) 2011-07-29 2017-07-25 Daikin Industries, Ltd. Transport refrigeration apparatus
CN105370557A (en) * 2014-08-28 2016-03-02 上海日立电器有限公司 Protection system of variable frequency compressor
CN107100833A (en) * 2017-05-24 2017-08-29 泰州年糕房车技术有限公司 A kind of compressor protector

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