Delivery Vehicle Detection with Indication in Warehouse

Dock_Ultrasonic

Customer Requirements: Detect shipping trucks to improve dock efficiency

Solution: QT50U Ultrasonic sensor, DX80 wireless node, and TL50 tower light with audible alarm

Why Banner? Wireless - Wire-free solutions for remote locations

Background Suppression - Background suppression for proximity sensing prevents false triggers

Customer Benefits

Suitable for outdoor environments – QT50U ultrasonic sensors are completely sealed and leakproof for outdoor use while LED indicators are available with washdown-rated models as well

Real-time alerts – Real-time monitoring with wireless products keeps deliveries moving efficiently 

High Traffic at Loading Dock Doors Influences Efficiency

Loading docks are key access points inside a global electronics manufacturing company and can directly influence the general workflow of a warehouse. Inventory is frequently shipped in and out of docks and creates a very busy setting. Maintaining a steady flow of traffic at dock doors keeps processes efficient, productive, and reduces the number of shipping errors. An automatic system that alerts employees of vehicles waiting to be serviced works well for large facilities where employees are not always near the service doors.

Detection Challenges at Outdoor Dock Doors

Detecting vehicles at a loading dock can be difficult because of unpredictable weather and environmental changes. Sensors installed here will likely be exposed to the elements and need to withstand fluctuations in weather and ambient light.

Truck surfaces are made of a variety of materials and come in a wide range of colors. This can prove challenging for traditional sensors. A solution is needed that can reliably detect surfaces regardless of color, reflectivity, or texture. The range can also present some challenges for sensing because vehicles vary in size and distance away from the sensor.

Electronics manufacturing facilities are also loud environments where standard doorbells may go unnoticed. Indication lights may also be missed due to the prevalence of overhead and machine lighting throughout a warehouse setting.

Proximity Sensing with Wireless Indication Capabilities

Banner Engineering’s QT50U series ultrasonic sensor uses sound waves to detect a truck’s arrival. The ultrasonic waves bounce off the surface of the vehicle and back to the sensor, recognizing if a delivery vehicle is at the dock door for service. It can be taught a reliable background and therefore recognize when vehicles are present. The QT50U is paired with a DX80 wireless node to send an output to trigger an alarm to employees, informing them of vehicles that are waiting to be serviced.

The QT50U works well for outdoor loading docks because they are rugged and built to withstand harsh environments. They are made with completely sealed, shock-resistant housing.  Chemical-resistant, Teflon-coated models are also available for purchase. The QT50U ultrasonic sensors are easy to set up with push-button and remote TEACH-mode programming.

TL70 tower lights with audible alarms were installed in the warehouse to alert employees of waiting trucks. The TL70 can be heard and seen throughout the warehouse floor to ensure that deliveries get tended to quickly. Delivery dock applications also have other opportunities to install bright LED indicator lights for unmistakable operator guidance. K50 touch buttons can be installed as doorbells and connected to K80L segmented indicators to show which dock is in use. Banner LED technology provides low-power and long-life lighting products for bright visibility in a wide variety of settings. 

Conclusion

Loading docks can become chaotic if trucks and other deliveries are neglected for extended periods of time. Using Banner’s QT50U for vehicle detection creates optimum workflow and traffic management. These rugged ultrasonic sensors use sound waves to detect almost any surface, regardless of color, texture, and reflectivity. They can withstand outdoor environments without sacrificing sensing capabilities. With a sensing range up to 8 m, the QT50U can detect many different sized vehicles. A DX80 wireless node allows for indication and alerts to be broadcast throughout the warehouse floor with LED tower lights and indicators.

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