Power battery device of electric vehicle

• Main Authors: JIANG JIWEI, CHEN WENYUE, DU XUEWEI, CHEN YANLEI, SHEN LEI
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2010
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

A power battery device of an electric vehicle comprises battery modules, a box body and a cooling device, wherein two groups of battery modules are arranged in an insulating bracket, two intake air baffle plates are arranged between two battery modules and fixed on the insulating bracket and on the two sides of an air inlet, the bottom of each intake air baffle plate is provided with a lower opening, a guide plate is welded on the inner side of each intake air baffle plate, a splitter plate is welded on the outer side of the guide plate; two rows of insulating square tubes are arranged on the bottom of the inside of the insulating bracket and on the outside of the two intake air baffle plates, the axial direction of the insulating square tubes is perpendicular to the intake air baffle plates, one end of each insulating square tube is welded with the insulating bracket to form a closed end, the other end is an open end and contacts with the bottom corner of elementary batteries; an air outlet baffle plate is a