Patent ID: 11670812

Abstract:
The invention provides a thermal management device for energy storage system, a method for controlling the thermal management device for energy storage system, and an energy storage system, wherein the thermal management device for energy storage system comprises a heat dissipation system, a temperature transducer, a data acquisition module, a management module and a data interaction module; the heat dissipation system comprises refrigerant circulating heat exchange components for heat dissipation of energy storage system, wherein the refrigerant circulating heat exchange components perform heat exchange through phase change of refrigerant; the data acquisition module is connected with the temperature transducer, and is used for acquiring the external environment temperature and the working environment temperature of energy storage system; the management module is used for conducting heating value analysis of energy storage system, and then performing heat dissipation control and management according to the heating value analysis and the external environment temperature; the data interaction module is used for connecting the network for data interaction. The energy storage system comprises battery packs, a battery management system, a bidirectional converter, an energy management system and the above thermal management device for energy storage system. During the control of thermal management, data are acquired in real time to determine and control the refrigerant quantity required for refrigerant circulation and thus realize efficient heat dissipation of energy storage system.