4results about How to "Reduce self-consumption" patented technology

The present application belongs to the technical field of heat exchange and immersion energy storage system, and provides a heat exchange system, an immersion energy storage system and a temperature control method for achieving the purpose of ensuring temperature control effect and reducing power consumption, which comprises an air conditioning system and a natural cooling system, the natural cooling system comprises a natural cooling coil, a three-way valve and a controller for switching the passage of the three-way valve, the evaporator of the air conditioning system is centrally embedded in a heat exchange container, and the heat exchange pipe of the evaporator is close to the surface of the heat exchange container; the heat exchange container is respectively provided with an inlet and an outlet at both ends for the inflow and outflow of heat exchange medium; the first port, the second port and the third port of the three-way valve are respectively used for inputting heat exchange medium, connecting the inlet and connecting the inlet end of the natural cooling coil; the outlet end of the natural cooling coil is connected in parallel to the passage of the three-way valve and the inlet. The whole battery pack is immersed in insulating liquid, the insulating liquid is used as heat exchange medium, and the heat exchange system of the present application is used for heat exchange.

The application discloses a direct-current self-holding electronic switch with under-voltage, over-current and short-circuit protection functions, which comprises a power conversion circuit, a self-holding circuit, an under-voltage driving circuit, an over-current and short-circuit driving circuit, a module switch circuit, an input connector P1 and an output connector P2. The application has the advantages of small driving signal power, wide driving voltage range, simple circuit structure, small size, light weight and convenient installation. In addition, the application uses mature industrial devices such as resistors, capacitors, diodes, MOS tubes and optical couplings, and has low cost and high reliability.

The application provides a mobile energy storage charging off-grid self-power supply system with black start capability and a control method thereof, and belongs to the field of distributed energy. The mobile energy storage charging off-grid self-power supply system with black start capability comprises a self-power-off control panel, a BMS master control panel, a DC-DC converter and a 4PIN starting interface. The self-power-off control panel is provided with a photoelectric coupler. The self-power-off control panel is provided with a master control area and an auxiliary power supply circuit. The master control area of the self-power-off control panel is provided with a button cell and a 4PIN starting interface. Through the self-power-off control panel architecture, the black start logic architecture and the self-power-off logic architecture, the system-level safe self-destruction and emergency rapid recovery under the premise of meeting the VDE-AR-E 2510-50 standard are realized. The problems of safe self-destruction, low-power standby of the mobile energy storage system under an extreme under-voltage state and forced wake-up and system reconstruction when the external power supply and communication link are lost are solved.

The utility model discloses a kind of power supply device and electric two-wheeled vehicle, applied to power supply technical field, to solve the problem that power supply device in prior art cannot continuously power when battery fails, specifically includes power path switching module works at first on or second on state;Wherein, first on state is the connection of main battery module and external low-voltage load and external high-voltage load, second on state is the connection of spare battery module and external low-voltage load;Voltage acquisition module collects the output voltage of main battery module;When the output voltage of main battery module is lower than preset threshold, control module controls power path switching module to switch from first on state to second on state.In this way, voltage acquisition module and control module constitute closed-loop monitoring system, ensure to complete seamless switching in main battery failure moment, avoid the electronic system paralysis of whole vehicle, realize accurate power protection under emergency scene.