Insufficient voltage intelligent protection device and new forms of energy commercial car are prevented to low pressure

The utility model discloses an insufficient voltage intelligent protection device and new forms of energy commercial car are prevented to low pressure, the utility model discloses can carry out low pressure system power interruption by oneself, prevent to forget the disconnection because of the low tension switchgear, and the low -voltage storage battery feed that produces, the utility model provides a low pressure prevents that insufficient voltage intelligent protection device can effectively prevent low -voltage storage battery insufficient voltage, especially electricity or vehicle when not using for a long time under the vehicle, can automatic disconnection low -voltage storage battery to low voltage electrical equipment, example like vehicle load etc, power supply like vehicle load such as machine controller, well accuse box and vehicle control unit etc to the circuit of avoiding low -voltage storage battery exhausts, prolongs low -voltage storage battery 's life, reduces the maintenance cost of new for