ELECTRIC COMPRESSOR, CONTROL DEVICE, AND MONITORING METHOD |
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| 申请号 | US15558415 | 申请日 | 2016-02-16 | 公开(公告)号 | US20180058454A1 | 公开(公告)日 | 2018-03-01 |
| 申请人 | MITSUBISHI HEAVY INDUSTRIES AUTOMOTIVE THERMAL SYSTEMS CO., LTD.; | 发明人 | Takashi NAKAGAMI; Takayuki TAKASHIGE; | ||||
| 摘要 | This electric compressor includes a compressor which rotates around an axis to compress a fluid, a motor which rotatably drives the compressor around the axis, and a control unit having a first component and a second component and controlling current supply to the motor during driving using the first component and the second component. An allowable current when the first component and the second component are exposed to the same temperature is set to be smaller in the second component than in the first component. The second component is disposed at a place in which cooling capability is greater than that of the first component so that allowable power of the second component at rated use is set to be greater than an allowable power of the first component. This electric compressor includes a temperature sensor which detects the temperature of the first component and a calculation unit which outputs an alarm signal when the temperature detected by the temperature sensor and a current flowing in the first component satisfy a predetermined condition. | ||||||
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