The invention belongs to the technical field of engineering machinery, and particularly relates to an electric air conditioning device for construction machinery, which comprises a power unit, a refrigerating unit, a heating unit and an air-conditioning controller, the power unit comprises an oil tank, an electromagnetic valve, a single-cylinder low-power engine, a double-group flywheel generator, a low oil pressure switch and a starter; wherein the oil tank is communicated with the single-cylinder low-power engine, the electromagnetic valve, the single-cylinder low-power engine and the double-set flywheel generator are sequentially connected through control wires, and the refrigerating unit comprises an electric air conditioner compressor, an evaporator assembly, a condenser assembly and a liquid reservoir assembly. The electric air conditioner compressor, a third relay and the liquid reservoir assembly are sequentially connected through control wires. The electric air conditioning device is high in practicability, the cost and using cost of the air conditioning system are saved, the reliability of using the air conditioning system is effectively improved, the pure electric air conditioning system is used for refrigeration, the comfort of cab personnel is ensured while engine power is not occupied, and the air conditioning device has the advantages of energy conservation, environmental protection, noise reduction and the like.

    本发明属于工程机械技术领域,尤其为一种工程机械用电动空调装置,包括动力单元、制冷单元、制热单元和空调控制器,所述动力单元包括油箱、电磁阀、单缸小功率发动机、双组飞轮发电机、低油压开关和起动机,其中油箱和单缸小功率发动机相连通,所述电磁阀、单缸小功率发动机和双组飞轮发电机通过控制导线依次连接,制冷单元包括电动空调压缩机、蒸发器总成、冷凝器总成和贮液器总成,所述电动空调压缩机、第三继电器和贮液器总成通过控制导线依次连接。本发明实用性高,节约了空调系统成本及使用成本,且有效提高了使用空调系统的可靠性,且使用纯电动空调系统制冷,在不占用发动机动力同时确保驾驶室人员的舒适性,且具有节能、环保、降噪等优点。


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    Title :

    Electric air conditioning device for construction machinery


    Additional title:

    一种工程机械用电动空调装置


    Contributors:
    LIU JINBIAO (author)

    Publication date :

    2021-04-27


    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



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