The invention discloses an electric forklift integrated heat pump heat management system which comprises a refrigerant loop and a cooling liquid loop, the refrigerant loop comprises a compressor, a four-way reversing valve, a cabin external heat exchanger, a one-way valve, a capillary tube, a first expansion valve, a cabin internal heat exchanger, a second expansion valve, a heat exchanger and a gas-liquid separator; the cooling liquid loop comprises a heat exchanger, a first water pump, a battery liquid cooling plate, a PTC heater, a radiator, a second water pump, a traction motor water jacket, a traction motor electric control water jacket, a main pump motor water jacket, a main pump motor electric control water jacket, an auxiliary pump motor water jacket and an auxiliary pump motor electric control water jacket. The integrated heat pump heat management system is adopted, the system integration degree is improved, and the winter endurance is improved by improving the winter heating energy efficiency; under different working conditions, through switching of multiple thermal management modes, a simultaneous thermal management function of a cabin, a battery, a motor and motor electric control is realized.

    本发明公开了电动叉车集成式热泵热管理系统,包括制冷剂回路和冷却液回路,其中:制冷剂回路,包括压缩机、四通换向阀、舱室外部换热器、单向阀、毛细管、第一膨胀阀、舱室内部换热器、第二膨胀阀、热交换器、气液分离器;冷却液回路,包括热交换器、第一水泵、电池液冷板、PTC加热器、散热器、第二水泵、牵引电机水套、牵引电机电控水套、主泵电机水套、主泵电机电控水套、辅泵电机水套、辅泵电机电控水套。本发明采用集成式热泵热管理系统,提高系统集成度,通过提高冬季制热能效,来提高冬季续航;在不同的工况下,通过多种热管理模式的切换,实现对舱室、电池、电机及电机电控的同时热管理功能。


    Access

    Download


    Export, share and cite



    Title :

    Integrated heat pump heat management system of electric forklift


    Additional title:

    电动叉车集成式热泵热管理系统


    Contributors:
    ZHOU PEI (author) / CAI ZHIGANG (author) / LIU MIN (author) / ZHONG HAIBO (author) / LAN SONG (author) / ZHANG XIANWEN (author) / YU QINGHUA (author)

    Publication date :

    2024-12-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht




    LIQUID COOLING TYPE ELECTRIC FORKLIFT INTEGRATED POWER SYSTEM AND FORKLIFT

    XIANG SHOUNAN / CHEN JIAN | European Patent Office | 2022

    Free access

    LIQUID COOLING TYPE ELECTRIC FORKLIFT INTEGRATED POWER SYSTEM AND FORKLIFT

    XIANG SHOUNAN / CHEN JIAN | European Patent Office | 2023

    Free access

    Electric forklift power system and electric forklift

    XU XIANZHONG / YANG ZUOWEN / CHEN WEN | European Patent Office | 2024

    Free access

    Electric forklift thermal management system

    GUO YADONG / HU HAO / XU QI | European Patent Office | 2023

    Free access