Uses
Sliding door operators are
commonly used on the exterior of large retail businesses. (Small retail
businesses prefer swing door operators.) They are also used in elevators.
Triggering
Door operators can be triggered in several ways:
·
Approach sensor (such as radar
sensor) - The door opens when the user approaches him.
·
Pushbutton - The door opens when a
button is pressed.
·
Control control - The door opens when
the access control system is authorized to go by the user.
·
Automatically (in case of lift).
·
Trigger any of the above requests
that the door is open (or reopen if it closes).
Safety Sensors
Sensors can be used to detect obstacles in the way of closing
doors. The simplest sensor has a light beam toward the opening: when the beam
is broken by a barrier, the operator prevents the door from closing. Infrared
and radar safety sensors are also commonly used.
Other sensors, such as resistance-sensing motors, can be used to
reverse the door closing action when obstructed.
Technology
The operator is positioned above the sliding door.
The electric motor built below drives a pulley at
one end of the belt to achieve low speed and high torque. The door is clamped
to the belt. To open the door, the motor rotates the pulley, from which the
belt rotates and pulls on the door. To close the door, the opposite happens.
Historically, the elevator doors were opened by a
set of mechanical links; Rotate the folded, folded arm under the motor, leading
to the door.
Types
There are several types of sliding doors, as
follows:
·
Standard sliding door (single wing or
double wing)
·
Les telescopic sliding door (two
wings or four wings)
·
Circular sliding door (section
circular, semi-circular or full circular)
·
Moving Folding Doors (two wings or
four wings)
·
Hermetic sliding door (single wing or
double wing)
·
All glass sliding doors (single wing
or double wing)
Room Clean room sliding door (single wing or double
wing)
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