The invention relates to a quick charging device for a forklift. The device comprises: a lithium battery module used for providing electric energy for an electric forklift; a high-voltage charging pile used for charging the electric forklift; a voltage conversion device used for converting the connection mode of each lithium ion unit module in the lithium battery module into a series loop from a parallel mode for charging and converting the connection mode of each lithium ion unit module in the lithium battery module from a series loop to a parallel mode for power supply; and electric energy which sequentially passes through the high-voltage charging pile and the voltage conversion device from a power grid to charge the lithium battery module. The lithium battery module discharges through the voltage conversion device. The invention further discloses a charging method of the quick charging device for the forklift. According to the voltage conversion device, a charging pile platform which is popularized, popularized and applied can be utilized, according to different voltage grades of the forklift, the fast charging characteristic of the lithium battery is fully utilized, the lithium battery forklift can be rapidly charged, special equipment is not needed, and the purchase cost is reduced.

    本发明涉及一种叉车用快速充电装置,包括:锂电池模组,用于为电动叉车提供电力能源;高压充电桩,用于给电动叉车充电;电压转换装置,用于将锂电池模组中各锂离子单元模组的连接方式由并联模式转换为串联回路进行充电;用于将锂电池模组中各锂离子单元模组的连接方式由串联回路转换成并联模式进行供电;电能源从电网依次经高压充电桩、电压转换装置给锂电池模组充电;锂电池模组经电压转换装置进行放电。本发明还公开了一种叉车用快速充电装置的充电方法。本发明的电压转换装置能够利用已经普及推广应用的充电桩平台,根据叉车的不同电压等级,充分利用锂电池快充的特性,快速完成锂电池叉车充电,无需专用设备,降低采购成本。


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    Title :

    Quick charging device and method for forklift


    Additional title:

    一种叉车用快速充电装置及方法


    Contributors:
    ZHANG ZAILEI (author) / CHEN WEILIN (author) / CHENG SHENG (author) / ZHU KUN (author)

    Publication date :

    2021-11-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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