The installation of automatic
gates for different industry offices, banks, retail stores, airports,
hotels, hospitals, and even in big houses has become a common
practice. The majority of the automatic doors use optical sensors or
motion detector sensors. These types of sensors are usually fixed on
the sides of a door. This is done to trigger effective opening and
closing of the doors. The vast variety of sensors used for automatic
doors can be readily available with the Magnetic
Detacher dealers in Kolkata.
The use of automatic doors is
not a new thing. However, with the passage of time, the systems that
are used for operating doors automatically, has become
technologically advanced. The advanced technology of automatic door
sensors can be provided by the Sensor
gate dealers in Kolkata
which can effectively solve all needs of an automatic door.
How the doors open automatically:
The door sensors supplied by
the Sensor gate dealers in Kolkata
will detect whether an individual is present in front of the door.
The opening and the closing job of the doors will start automatically
after this. The sensors which are installed are suitably connected to
the drive chain operated electronically. This drive chain is attached
to the door panels through an auxiliary cog wheel or drive. The
opening, as well as the closing motion of the door, is performed by
the auxiliary drive which is connected by means of a rubber belt.
There are rollers attached to the bottom of the doors which allow the
smooth sliding of the doors.
The automatic doors which
perform with the sensors supplied by the Sensor
gate dealers in Kolkata
are incredibly convenient and safe to use. The Sensor
gate dealers in Kolkata
are always on the lookout to provide the latest technological
features in the automatic door gate sensors and are constantly
thriving to improve the services.
Types of sensors:
There are various types of
sensors used by the EAS
System dealers in Kolkata.
Some of these sensors are in use for quite a long time and some are
the latest varieties. Following paragraphs will discuss few sensors
which are being used extensively for automatic doors.
Pressure sensors:
Pressure sensors in the form
of control mats are in use from mid of 20th century. These sensors
had been predominantly used to detect approaching pedestrians. The
change in weight or pressure exerted on a specific area can be
detected by these types of pressure sensors which are suitably used
in the front and the back side of the gate. When the weight or the
pressure exerted is more than the set limit, the doors will start
opening. The door will continue to remain open as long as there is a
pressure which is higher than the set pressure.
The optical sensors or the motion detectors:
The concept of automatic door
sensors has changed these days. Now, optical sensors or the motion
detectors are normally installed at the sides of the doors which
trigger the opening and the closing of the doors. The sensor which is
supplied by the Anti
Shoplifting System dealers in Kolkata
detect motion or look for motion in front of the gates. The motion is
normally detected by a microwave beam. The 10.5 GHz microwave beam is
produced by an antenna which is installed over the door and point
downwards. These types of sensors are quite effective.
Use of Infrared sensors:
The Barcode
Scanner dealers in Kolkata
can also supply the specialized type of infrared technology to be
used for the automatic door with extreme precision and highly
efficient operation. The heat of persons is detected by the sensors
for triggering the action. Other sensors are also used in combination
with these sensors to make the system full proof.
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