JPS5361034A - Air conditioner protective system - Google Patents
Air conditioner protective systemInfo
- Publication number
- JPS5361034A JPS5361034A JP13535376A JP13535376A JPS5361034A JP S5361034 A JPS5361034 A JP S5361034A JP 13535376 A JP13535376 A JP 13535376A JP 13535376 A JP13535376 A JP 13535376A JP S5361034 A JPS5361034 A JP S5361034A
- Authority
- JP
- Japan
- Prior art keywords
- air conditioner
- protective system
- conditioner protective
- motor
- rpm
- 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
Landscapes
- Air Conditioning Control Device (AREA)
- Protection Of Generators And Motors (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
PURPOSE: To prevent breakage of a motor drive circuit by arranging such that a motor is stopped when the motor rpm becomes higher or lower than the preset reference rpm due to external disturbance.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13535376A JPS5361034A (en) | 1976-11-12 | 1976-11-12 | Air conditioner protective system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13535376A JPS5361034A (en) | 1976-11-12 | 1976-11-12 | Air conditioner protective system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5361034A true JPS5361034A (en) | 1978-06-01 |
Family
ID=15149761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13535376A Pending JPS5361034A (en) | 1976-11-12 | 1976-11-12 | Air conditioner protective system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5361034A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5791686A (en) * | 1980-11-28 | 1982-06-07 | Sanyo Electric Co Ltd | Servomotor circuit |
JPS5863088A (en) * | 1981-10-09 | 1983-04-14 | Ebara Corp | Protecting device in storage pump system |
JPS58108990A (en) * | 1981-12-21 | 1983-06-29 | Matsushita Electric Ind Co Ltd | Overrun preventing circuit for brushless motor |
JPS59178993A (en) * | 1983-03-18 | 1984-10-11 | ソシエテ アノニム エトリ | Method and device for detecting decelerated state of dc motor |
JPS60219915A (en) * | 1984-04-13 | 1985-11-02 | 株式会社日立製作所 | Speed malfunction detecting circuit |
JPS61135377A (en) * | 1984-12-05 | 1986-06-23 | Fujitsu Ltd | Motor speed monitor circuit |
JPS61218388A (en) * | 1985-03-20 | 1986-09-27 | Matsushita Refrig Co | Controller of commutatorless dc motor |
JPS6369420A (en) * | 1986-09-10 | 1988-03-29 | 株式会社リコー | Emergency stopper of driving motor |
JPS63206190A (en) * | 1987-02-19 | 1988-08-25 | Matsushita Seiko Co Ltd | Commutatorless motor |
JPH04288450A (en) * | 1990-12-18 | 1992-10-13 | Samsung Electronics Co Ltd | Device and method for controlling operation frequency of compressor in air conditioner |
JP2007089386A (en) * | 2005-09-22 | 2007-04-05 | Pfeiffer Vacuum Gmbh | Device for monitoring redundant rotational speed |
JP2009225590A (en) * | 2008-03-17 | 2009-10-01 | Toyota Motor Corp | Motor control unit |
JP2013192288A (en) * | 2012-03-12 | 2013-09-26 | Fuji Electric Co Ltd | Control method for inverter system |
-
1976
- 1976-11-12 JP JP13535376A patent/JPS5361034A/en active Pending
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5791686A (en) * | 1980-11-28 | 1982-06-07 | Sanyo Electric Co Ltd | Servomotor circuit |
JPS5863088A (en) * | 1981-10-09 | 1983-04-14 | Ebara Corp | Protecting device in storage pump system |
JPS58108990A (en) * | 1981-12-21 | 1983-06-29 | Matsushita Electric Ind Co Ltd | Overrun preventing circuit for brushless motor |
JPS59178993A (en) * | 1983-03-18 | 1984-10-11 | ソシエテ アノニム エトリ | Method and device for detecting decelerated state of dc motor |
JPS60219915A (en) * | 1984-04-13 | 1985-11-02 | 株式会社日立製作所 | Speed malfunction detecting circuit |
JPS61135377A (en) * | 1984-12-05 | 1986-06-23 | Fujitsu Ltd | Motor speed monitor circuit |
JPS61218388A (en) * | 1985-03-20 | 1986-09-27 | Matsushita Refrig Co | Controller of commutatorless dc motor |
JPS6369420A (en) * | 1986-09-10 | 1988-03-29 | 株式会社リコー | Emergency stopper of driving motor |
JPS63206190A (en) * | 1987-02-19 | 1988-08-25 | Matsushita Seiko Co Ltd | Commutatorless motor |
JPH04288450A (en) * | 1990-12-18 | 1992-10-13 | Samsung Electronics Co Ltd | Device and method for controlling operation frequency of compressor in air conditioner |
JP2007089386A (en) * | 2005-09-22 | 2007-04-05 | Pfeiffer Vacuum Gmbh | Device for monitoring redundant rotational speed |
JP2009225590A (en) * | 2008-03-17 | 2009-10-01 | Toyota Motor Corp | Motor control unit |
JP2013192288A (en) * | 2012-03-12 | 2013-09-26 | Fuji Electric Co Ltd | Control method for inverter system |
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