A lithium ion battery module for an electric forklift truck, and a power supply box, which belong to the technical field of lithium ion batteries. The battery module comprises a housing and a batterypack in the housing; the battery pack comprises cells (11), an inter-cell heat insulation sheet (12), and a bottom surface insulating plate (13), a side surface insulating plate (15) and an end surface insulating plate (14) which are at the periphery of the cells (11), and a bus bar support (7) at the top; the cells (11) are square lithium iron phosphate batteries, and are grouped in a mode with each parallel branch having eight cells which are connected in series, a protruding spacer (18) is provided on the surface of the side surface insulating plate (15) and the surface of the bottom surface insulating plate (13), and the bus bar support (7) is provided with an inter-cell (11) connection bar (4) and an end connection bar (6). The power supply box comprises a box body (34), the box body(34) is internally provided with a high-voltage box (35), a BMS and the described lithium ion battery module for an electric forklift truck, a box cover (39) is provided on the box body (34), and an exhaust valve (50) is provided on the box cover (39). The lithium ion battery module and the power supply box both have high reliability in terms of structure and thermal performance.
一种电动叉车用锂离子电池模组及电源箱,属于锂离子电池技术领域;电池模组包括外壳、外壳内的电池组,电池组包括电芯(11)、电芯间隔热片(12)、电芯(11)外围的底面绝缘板(13)、侧面绝缘板(15)、端面绝缘板(14)及顶部的汇流排支架(7),电芯(11)为方形磷酸铁锂电池、采用1并8串的成组方式,侧面绝缘板(15)和底面绝缘板(13)表面设置有突出隔片(18),汇流排支架(7)上设置有电芯(11)间连接排(4)和端连接排(6);电源箱包括箱体(34),箱体(34)内设置有高压箱(35)、BMS和上述的电动叉车用锂离子电池模组,箱体(34)上设置有箱盖(39),箱盖(39)上设置有排气阀(50)。该锂离子电池模组及电源箱在结构和热性能方面都具有高可靠性。
LITHIUM ION BATTERY MODULE FOR ELECTRIC FORKLIFT TRUCK, AND POWER SUPPLY BOX
电动叉车用锂离子电池模组及电源箱
2021-03-30
Patent
Electronic Resource
Chinese
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
Forklift truck based on power using lithium secondary battery
European Patent Office | 2018
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