[VIP第8年] 指数:7
通过认证 
The central door lock uses a switch to control other switches, and it uses electromagnetic drive mode to execute the closing and opening of the door lock.
Central door lock actuator is divided into two forms: one is the form of electromagnetic coil, the other is the form of direct current motor. In both forms,
the polarity of the direct current is changed to change the direction of movement of the object, and the action of closing or opening is performed.
the polarity of the direct current is changed to change the direction of movement of the object, and the action of closing or opening is performed.
