Water source heat pump overheating protection device

• Main Authors: GAN DAIHUI, HE JINQUAN, HUO XINGWANG
• Format: Patent
• Language: Chinese; English
• Published: 14.12.2021
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; RANGES; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; VENTILATING; WEAPONS

The utility model discloses a water source heat pump overheating protection device which comprises a compressor, a water source heat exchanger, an indoor heat exchanger and a four-way valve, four connectors of the four-way valve are connected with an exhaust port of the compressor, an air return port of the compressor, the water source heat exchanger and the indoor heat exchanger respectively, and the water source heat exchanger is connected with the indoor heat exchanger. The water source heat exchanger is connected into a water heat source through a water flow path, and a water pump is arranged on the water flow path. The system further comprises a processor and a temperature detection probe arranged at an exhaust port of the compressor, the processor is electrically connected with the temperature detection probe, the water pump and a draught fan of the water source heat exchanger, and the temperature detection probe is used for monitoring and obtaining the exhaust temperature T0 of the compressor. And the