Car central locking means provided in the driver's seat door switch can simultaneously control the whole car door shut with a control device open. Turbocharger Kits This "central locking" control unit, back in the 1970s has been fitted on the car, after more than twenty years, has been used relatively common.

Central locking function

1, the central control: When the driver side lock their doors, other doors are locked at the same time, the driver can open the door at the same time through each door lock switch, you can open a door alone.

2, Speed control: When driving speed reaches a certain time, each on their own locked doors, door handles to prevent misuse caused the crew to open the door.

3, individual control: In addition to the driver's side door, Aftermarket Auto Parts the other door is also provided a separate spring lock switch can be controlled independently of a door opening and locking.

Central locking structure

At present, central locking car coat with many different types, but the basic components of the main door switches, door lock actuators and controllers.

1, door lock switch: Most of the negative control switches are divided by the total switch and switch, with a total switch mounted on the driver's side door, the driver can manipulate the entire vehicle master switch to lock or unlock all doors; sub-switch mounted on each of the other door, a door can be controlled separately.

2. Lock Actuator: central locking actuators are used for instruction execution of the driver, the door lock or open. Electromagnetic door lock actuators, DC motors and permanent magnet-type motor type three kinds of drive. Its structure is the lock or door opening operation is performed by changing the polarity reversal of its direction of motion.

(1) electromagnetic: it features two coils are used to open, lock the door, lock the operation buttons usually concentrated in the middle position. To lock the door when the forward current through the coil, the armature drive lever to the left, the door is locked; when to open the door to reverse current through the coil, the armature rod drive right, except the door is opened.

(2) DC motor type: it is the turn and through transmission (gear has a screw drive, rack gear and spur gear drive) the power door lock to pass through the DC motor, so that the door lock to be turned on or lock only. Because DC motor can be bi-directional rotation is achieved through open door lock or reversing the motor. This compared with an electromagnetic actuator actuators, small power consumption.

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