A high-voltage direct-current electric scroll compressor pre-charging device
By designing a pre-charging device in the high-voltage DC electric scroll compressor and utilizing components such as high-voltage DC relays, capacitors, resistors, and fuses, the problem of inrush current at the moment of power-on of the high-voltage DC electric scroll compressor was solved, thereby improving the safety and reliability of the equipment.
CN224469313UActive Publication Date: 2026-07-07HEFEI SWAN REFRIGERATOR TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEFEI SWAN REFRIGERATOR TECH CO LTD
- Filing Date
- 2025-06-25
- Publication Date
- 2026-07-07
Smart Images
Figure CN224469313U_ABST
Abstract
The utility model discloses a high -voltage direct current electric scroll compressor pre -charge device, including setting in the same casing's high -voltage direct current relay, electric capacity, freewheeling diode, the coil of high -voltage direct current relay is connected to the signal of external controller, and through the normally open contact of relay control pre -charge to electric capacity, and through the pre -flush electricity of electric capacity establishes direct current bus voltage, and through freewheeling diode for high -voltage direct current relay coil provides energy discharge loop, and the whole device is connected to the outside and is realized through the electric connector of setting on the casing. The utility model's structure has reduced the failure rate, has prolonged the service life, can stop the high -voltage direct current circuit short circuit of compressor power moment, has guaranteed the security of air conditioning equipment.
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