Multi-power-supply vehicle-mounted mobile energy storage security power supply system

The utility model discloses a multi-power-supply vehicle-mounted mobile energy storage security power supply system, which belongs to the technical field of vehicle-mounted power supplies, and is characterized in that a power supply part comprises an uninterrupted power supply module for vehicle-mounted energy storage, a vehicle-mounted 24V power supply, a mains supply and a diesel power supply; the commercial power and the diesel power are output to the uninterruptible power supply module through the interlocking device with the alternative function; the power supply conversion module is used for converting the alternating current into the required direct current power supply; the input side of the power supply conversion module is connected with the uninterruptible power supply module; the output side of the power conversion module is connected with the security power supply through an ideal diode; the vehicle-mounted power supply is connected with the security power supply through an ideal diode; and the u