Temperature control device and control method for batteries of hybrid electric vehicles

Abstract

The invention relates to a temperature control device and a control method for batteries of hybrid electric vehicles. The temperature control device and the control method have the advantages that requirements on maximizing the capacity of the batteries and space utilization and minimizing modification on vehicle bodies can be met, the integrated temperature control device for the batteries is in a matching computational design, gaps between the single batteries in battery shells are sufficiently utilized, the cooling air volumes are controlled, the single batteries can be cooled or heated by the aid of air in passenger compartments via inner flow guide plates, air channel pipes, air outlet pipes, electronic fans and upper covers, and pressures of the air in the passenger compartments, noise reduction strategies, heat instability faults of the batteries and the like are taken into consideration by the aid of the control method; the temperature control device for the batteries is compact in structure, the batteries can be maintained to the greatest extent and can assuredly work within appropriate temperature ranges, the safety of the batteries can be guaranteed, the service lives of the batteries can be prolonged, the energy utilization rate can be increased, and the comfort of the integral vehicles can be improved.

Description

technical field [0001] The invention belongs to the technical field of hybrid electric vehicles, in particular to the technical field of hybrid electric vehicle battery control, and refers to a hybrid electric vehicle battery temperature control device and a control method. Background technique [0002] With the increasingly serious energy and environmental problems, the concept of energy saving and environmental protection has become popular among the people. Hybrid electric vehicles have many significant advantages such as multiple power sources, energy saving, and low emissions, and have attracted great attention worldwide. As one of the power sources of hybrid electric vehicles, batteries are the core components of hybrid electric vehicles. Due to the inherent characteristics of batteries, the charging and discharging capabilities of batteries are greatly affected by temperature, which directly affects vehicle performance and battery life. Therefore, a special device and...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a battery temperature control device for a hybrid electric vehicle to realize the control of the working temperature of the battery pack, and by providing a control method to solve the problems of over-temperature protection and low-temperature protection of the battery pack, thereby improving Stability of hybrid electric vehicle battery pack, prolonging the service life of battery pack

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