The invention discloses an R744 refrigerant heat pump air conditioning unit and system and a control method of the R744 refrigerant heat pump air conditioning unit, the R744 refrigerant heat pump air conditioning unit comprises a power supply module, a processor module, an auxiliary inverter module and an inverter compressor, and is characterized in that the refrigerant of the inverter compressor is R744 refrigerant; the inverter compressor is used for switching to a refrigeration circulation loop and a heating circulation loop according to an instruction of the processing module; the output end of the power supply module is connected to the input end of the auxiliary inverter module, the output end of the auxiliary inverter module is connected to the input end of the inverter compressor, and the input end of the inverter compressor is further connected to the output end of the processor module; the environment-friendly requirement of the rail air conditioner can be met, meanwhile, the variable-frequency heat pump technology is adopted, and the design requirements for the refrigerating capacity and the heating capacity of a heat pump air conditioning unit can be met; in addition, the power supply efficiency is improved, the air conditioner cost is saved, air conditioner weight reduction is achieved, and the R744 refrigerant heat pump air conditioning unit can be widely applied to the technical field of rail transit.
本发明公开了一种R744制冷剂热泵空调机组、系统及其控制方法,该热泵空调机组包括电源模块、处理器模块、辅助逆变器模块和变频压缩机,其特征在于,变频压缩机的制冷剂为R744制冷剂,变频压缩机用于根据处理模块的指令切换至制冷循环回路和制热循环回路;电源模块的输出端连接至辅助逆变器模块的输入端,辅助逆变器模块的输出端连接至变频压缩机的输入端,变频压缩机的输入端还连接至处理器模块的输出端;本发明能够满足轨道空调的环保需求,同时采用了变频热泵技术,能够满足热泵空调机组的制冷量、制热量的设计需求;此外,本发明提升了电源效率,节省了空调成本并实现空调减重,可广泛应用于轨道交通技术领域。
R744 refrigerant heat pump air conditioning unit and system and control method of R744 refrigerant heat pump air conditioning unit and system
一种R744制冷剂热泵空调机组、系统及其控制方法
2021-10-22
Patent
Elektronische Ressource
Chinesisch
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