Battery box device for electric vehicle

摘要

A battery box device for use on an electric vehicle includes a drive power supply having a plurality of storage batteries for supplying the electric energy to drive the electric vehicle, a circuit breaker device having a controller for producing a power supply control signal based on conditions of the electric vehicle, and a circuit breaker for turning off the drive power supply in response to the control signal from the controller. A battery box housing at least the storage batteries and the circuit breaker device. The battery box device also has a breaker box housing at least the controller and the circuit breaker device with the storage batteries and the circuit breaker device being separate from each other. A circuit breaker switch is operable from outside of the battery box.