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Vehicle detection at barrier gates

There is a wide range of sensor solutions available for the safe and efficient detection of vehicles at barrier gates such as at theme parks, toll roads, business premises, parking garages, etc.
Barrier Access Technology

Safe passage when entering and leaving areas and parking lots

Barrier gates are present everywhere around us. Take for example a theme park where a barrier gate is used during the drive in and out of the park. At these barier gates often a parking ticket is used. This also applies for toll roads where a ticket is used to activate the barrier gate. Another example are the (big) buildings which uses a barrier gate to control and observe everything that passes. With all these examples you would like the barrier gate to open and close as safe, fast and efficient as possible. A vehicle detection needs to be performed and we offer some solutions for these challenges.

Inductive loop detectors

Induction loops

When building a new building or house with barrier gates using inductive loop detectors could be a suitable solution. In these cases the wiring is constructed before the concrete is dumped. Because the loop detector is processed in the ground, it has barely any influence from the environmental conditions. So a fine method to detect the presence- and/or absence of the vehicle. If a barrier gate is constructed where the pavement is already done, it costs a lot of money and time to break everything down and to put the loops in the ground. 

Photoelectric sensors from Telco Sensors

SM3000 series

The SM3000 series are sender/receiver photoelectric sensors which are resistant against weather conditions, such as snow, fog, and rain because of the IP67 protection degree. The sensors are suitable for performing a vehicle detection at barrier gates. If a vehicle approaches the barrier gate, the light beam is interrupted and the sensors will switch by opening the barrier. To prevent that the vehicle is stuck under the barrier gate an extra set of photoelectric sensors could be placed after the barrier gate and only when both sets of sensors are not recognized any longer then the barrier will close. These photoelectric sensors have a range of 15 meter.

Ultrasonic sensors from microsonic

lcs+ 600/DD

The lcs+ 600/DD is an ultrasonic sensor from microsonic which can also be applies for performing a vehicle detection at barrier gates. From one side these sensors are able to observe up to 8 meters. These sensors are very easy to install or replace, for example when a loop detector is not working anymore. This sensor is unique because it can turn on a filter, so that for example birds are not detected, but people are. These sensors are resistant against the harsh outdoor conditions because of the IP67 protection degree and the temperature compensation of the sensors. The disadvantage of these sensors is that a detection is done when it is snowing or raining which can open the barrier gate when no vehicle is present.

A disadvantage of photelectric and ultrasonic sensors is that they perform one beam detection. However, when a vehicle with trailer or carvan is passing the barrier, it is possible a part of the towbar is not detected. In this way the sensor thinks that no vehicle is present and will the barrier gate close.

Light grid from Telco Sensors

SG10 series

The SG10 series from Telco Sensors is capable of detecting a bigger area than the photoelectric and ultrasonic sensors. These light grids are placed under the barrier gate and detect every vehicle (with trailer or caravan) that passes. The light grids are available with a profile height up to 3 meter. The advantage of this a guaranteed detection is done of every vehicle independent of the height. Because of the IP67 protection degree of the light grids they are resistant to rain, wind and icing. The light grids have a range of 10 up to 14 meter. Thanks to the automatic sensitivity settings (AST) no adaptations or configurations are necessary when installing the light grids.

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