The Cold King agent will introduce the backup power system of refrigerated trucks, which is used to activate two cooling power sources when the vehicle engine is not working or malfunctions. Through the backup power system of an external power source, the compressor can also maintain the temperature inside the compartment and keep the goods fresh. It can be used as a temporary cooling solution to solve some emergencies, and the refrigerated truck can also be used as a temporary cold storage.

During transportation, if there is a need to rest or if the goods are not unloaded in a timely manner, the backup power supply begins to come into play. It can continue to supply the power required for the refrigerated truck unit to work through the backup compressor when the engine is stopped, allowing the goods to maintain a good condition in a constant temperature environment. It can also play a good role in some goods with high temperature requirements.
The backup power system of the refrigerated truck consists of an electric motor, an independent compressor, external power lines, refrigerant pipelines, etc., which are independent of the compressor of the original refrigeration unit and share the condensing system; A separate compressor for cooling, without the need to start the vehicle, ensures the temperature of the goods inside the cabin during temporary parking, malfunction, or maintenance.
Working principle of backup power for refrigerated trucks: using an external power supply of 220V/380V to power the motor compressor, driving the independent compressor to work, providing circulating refrigerant for the refrigeration unit to work, without the need for the chassis engine to start.
Installation location of backup power system: generally installed in a hanging manner next to the main beam of the refrigerated truck. It can also be installed inside the refrigerated truck compartment (with compartments and small doors).