New energy electric vehicles are composed of: electric drive and control system, mechanical systems such as driving force transmission, and working devices to complete established tasks.
Electric drive and control system is the core of electric vehicle and the biggest difference from internal combustion engine vehicle. The electric drive and control system is composed of a drive motor, a power supply and a speed regulating control device of the motor. Other devices of electric vehicles are basically the same as those of internal combustion engine vehicles.
Refrigerated trucks refer to closed van type transport vehicles used to maintain the temperature of frozen or fresh goods. Refrigerated trucks are special refrigerated transport vehicles equipped with refrigeration units and polyurethane insulated compartments. Refrigerated trucks can be classified according to the manufacturer, chassis carrying capacity and compartment type.
Refrigerated trucks are often used to transport frozen food (refrigerated trucks), dairy products (milk transport vehicles), vegetables and fruits (fresh goods transport vehicles), vaccines and drugs (vaccine transport vehicles), etc.