Pressure control method, device and hot water unit
CN117232149BActive Publication Date: 2026-10-16GREE ELECTRIC APPLIANCE INC OF ZHUHAI
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Patent Information
- Application Number
- CN202311129612.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-01
- Publication Date
- 2026-10-16
- Estimated Expiration
- 2043-09-01
AI Technical Summary
Technical Problem
[0004]本发明实施例中提供一种压力控制方法、装置及热水机组，以解决现有技术中热水机组在高温工况下启动容易造成高压保护的问题
Benefits of technology
[0030] By applying the technical solution of this invention, when the pressure parameter of the hot water unit is greater than the preset pressure threshold, the compressor in the hot water unit is controlled to start and stop repeatedly before the fan of the hot water unit is turned on. By jogging the start and stop of the compressor, the gas-liquid ratio in the hot water unit pipeline is adjusted, thereby reducing the pressure at the exhaust end and intake end of the compressor and avoiding high pressure protection when starting at high temperature.
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Abstract
The application discloses a pressure control method and device and a hot water unit. The method is applied to the hot water unit and comprises the following steps: acquiring a pressure parameter of the hot water unit; if the pressure parameter is greater than a preset pressure threshold, repeatedly starting and stopping a compressor in the hot water unit, and then starting a fan of the hot water unit. Through the application, the starting and stopping of the compressor can be controlled by point control, the gas-liquid ratio in the pipeline of the hot water unit is adjusted, the pressure of the exhaust end and the suction end of the compressor is reduced, and high-pressure protection caused by high-temperature starting is avoided.
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