| 摘要 |
An autonomous source of compressed air of pneumatic brake drive contains a compressor. Furthermore, the compressor is set in action from an electric motor with a short-circuited rotor with supply voltage of 3x380 V, 50 Hz, which is supplied from the power unit with frequency converter of 50 Hz connected to the storage battery with a voltage of 24 V (12 V) through a control unit with start from an ignition lock, turning off supply of the electric motor by a control unit from a signal of the contacts of pressure regulator at reaching in the pneumatic brake drive of assigned pressure level of air, switching on the electric motor by pressure regulator with reduction of air pressure to the lower level, has an unit of charging, which is connected to the generator of transport vehicle and ensures charging of storage battery and its disconnection from the generator in the case of exceeding the value of permissible current of generator at operation of electric motor, and structurally manufactured as an autonomous unit for a specific output of compressed air. |
