First,we need to learn about the elevator safety parts.
1.Car running safety protection device
●Forced speed switch terminal
When the normal speed out of control, forcing the elevator change speed, so as to avoid the occurrence of top lift at high speed or squat at the end of the phenomenon.
●Terminal limit switch
To prevent the elevator out of control and beyond the travel and cause the rush or squat, off the upper (down)direction of the contactor,to stop the elevator.
●Limit switch
Elevator control circuit failure, the elevator car crossed the floor,and forced to the speed switch and terminal limit switch,then the limit switch will cut off the main power supply.
2.Maintenance personnel protection device
●Car top emergency stop switch
It Is used for maintenance personnel working at the top of the car.
When the switch is opened, the elevator control power is cut off, and the casualty accident is prevented.
●Bottom pit emergency stop switch
It Is used for maintenance personnel working at the pit of the car.
When the switch is opened, the elevator control power is cut off, and the casualty accident is prevented.
●Safety window switch
The safety window switch is arranged on the side of the safety window, when the window is opened, the switch is disconnected, and the power supply is cut off.
3.System operating protection device
●Safety gear action switch
●Main circuit thermal relay
●Power supply under phase reverse phase protection relay
●Speed limiter break switch and over speed protection
●Selective layer steel belt breakage protection switch
●Signal protection circuit
●Under magnetic protection of DC motor
4.Passenger safety protection
●Door lock switch
When the door is closed, the switch is on;when the door is opened, the switch is disconnected.
The elevator must be closed all the doors, then all door locks switch on, to start running.
●Safety touch panel switch
The safety touch panel switch is arranged to prevent the holder or the object in the process of closing the door.
●Overload protection
When the elevator is overloaded, the overload protection switch take action and give an alarm , the traction motor can not start.
●Emergency stop switch
Emergency stop button on the car operation panel(COP), in case of accident, press the emergency stop button, you can stop the elevator running.
Then,how to avoid accidents when the parents take children to take the elevator and electric escalator?
1.Parents have to take the responsibility of the child's guardian, in any case can not let the children take the elevator alone.And tell them the safety notice for taking the elevator.
2.If you take the child to take the escalator, must consider the height of the baby, to avoid the baby head hit other items on.If the baby's toys are on the escalator, do not let the baby to pick up, so as not to clamp the baby's fingers.
3.When enter in and out of the elevator, is most easily out of danger.Let your child to enter in first, parents in the back of the protection.
4.Don't let the children run in the rolling on the escalator lift, don't play with buddies on the escalator, climbing or slapstick.To avoid falling down from the escalator and get hurt.
5.When take the vertical elevator equipment, do not let the child put hands in the elevator door to prevent the elevator doors open, squeeze fingers.
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