The invention discloses a power assembly for a new energy automobile, and relates to the technical field of new energy. The power assembly comprises a casing, a rotor, a stator, a vent hole, a guide cylinder, a blast plate, a reciprocating lead screw, a control mechanism and a rotating speed detection mechanism for driving the control mechanism according to the rotating speed of the rotor. The reciprocating lead screw is coaxial with the rotor, and the rotating speed detection mechanism comprises a sleeve of which one end is fixedly connected to the rotor, a conductive ball connected in the sleeve in a sliding manner and a supporting protrusion which is fixedly connected into the sleeve and is used for supporting the side, close to the rotor, of the conductive ball, a spring which is connected to the conductive ball and applies force towards the rotor to the conductive ball, a conductive piece which is located on the supporting protrusion and is used for making contact with the conductive ball, and a pressure sensor which is used for detecting the pressure between the conductive ball and the supporting protrusion. The invention provides the power assembly for the new energy automobile. The power assembly is good in heat dissipation and enables the energy utilization rate to be improved.

    本发明公开了一种用于新能源汽车的动力总成,涉及新能源技术领域;包括机壳、转子、定子、通风孔、导向筒、鼓风板、往复丝杠、控制机构、根据转子的转速从而驱动控制机构的转速检测机构;所述往复丝杠与转子同轴;所述转速检测机构包括一端固接在转子上的套筒、滑动连接在套筒内的导电球、固接在套筒内的用于支撑导电球靠近转子一侧的支撑凸起、连接在导电球上的对导电球施加朝向转子的力的弹簧、位于支撑凸起上的用于与导电球接触的导电片、用于检测导电球与支撑凸起之间压力的压力感应器;本发明提出一种用于新能源汽车的动力总成,散热好;提高能源利用率。


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    Title :

    Power assembly for new energy automobile


    Additional title:

    用于新能源汽车的动力总成


    Contributors:
    YANG JUNYONG (author) / JIANG WEI (author) / XIAO QINGPING (author)

    Publication date :

    2020-08-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H01H Elektrische Schalter , ELECTRIC SWITCHES



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