According to the electrically-controlled brake booster, torque is output by a motor, a gear screw speed reducing mechanism is driven by the motor, the torque output by the motor is amplified and acts on a ball screw structure, the ball screw structure linearly pushes a piston of a brake master cylinder to build hydraulic pressure needed by brake, and the thrust pushes the piston of the master cylinder to achieve hydraulic brake; a worm is in rigid connection with a motor output shaft, magnetic steel used for motor decoding is installed on the head portion of the motor output shaft, and a decoding circuit and a product control circuit are arranged on the same circuit board. The motor power line is directly connected with the circuit board, the ball screw mechanism can move in the axial direction, the situation that manual braking cannot be achieved when a motor transmission mechanism cannot work is avoided, the structure is more compact, the size is smaller on the premise that the functional performance is guaranteed, and arrangement of products on a whole vehicle is better facilitated.

    本发明提供一种电控制动助力器,通过由电机输出扭矩,电机驱动的齿轮螺杆减速机构,电机输出扭矩被放大作用于滚珠丝杠结构上,滚珠丝杠机构直线推动制动主缸的活塞建立制动所需的液压,此推力推动主缸活塞实现液压制动;其蜗杆与电机输出轴刚性连接,电机解码所用的磁钢安装在电机输出轴头部,其解码电路与产品控制电路布置于同一块电路板上;电机电源线与电路板直连,滚珠丝杠机构可以沿轴向移动,避免电机传动机构无法工作时出现人力无法实现制动的情况,本发明结构更加紧凑,在保证功能性能的前提下具备更小的体积,更有利于产品在整车上的布置。


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    Titel :

    Electrically-controlled brake booster


    Weitere Titelangaben:

    一种电控制动助力器


    Beteiligte:
    HU MINGLU (Autor:in) / TANG LIN (Autor:in) / YAN MINGXIANG (Autor:in)

    Erscheinungsdatum :

    2022-07-29


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge




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