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Smartkey intelligent weighing management system
1. System composition
1 Long-distance reader/writer Model: SKRD900
2 Electronic label Model: 9520F
3 Microwave antenna Model: SKRD900AB 2
4 Controller Model: SK400
5 Automatic barrier
6 Traffic lights
7 Vehicle Detector Model: SKDS-1224
8 cameras
9 Video card
10 System Management Software
11 floor scale
12 Computer
2. System diagram
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Three, working principle
This system is developed on the basis of Smartkey channel control technology. It is a high-tech product integrating computer automatic control technology, radio frequency automatic identification technology, sensor technology, and IC card induction reading and writing technology. This system requires that each car that needs to be weighed be equipped with a long-distance electronic tag, which is pasted on the windshield of the car. Install a receiving antenna on the side or top of the truck scale, and connect the reader and the antenna with a dedicated cable.
The workflow of the system is as follows:
(1) When the car enters the weighing channel of the truck scale, the vehicle detector installed at the crossing immediately senses that there is a car entering, and transmits the signal to the barriers and traffic lights in front. The barriers are immediately closed and the signal lights turn red. , Prompts the driver to drive slowly, and at the same time requires the weighing instrument and reader to start working.
(2) When the electronic tag on the vehicle enters the reading range of the reader, the information of the vehicle will be transmitted to the host through the antenna-the reader. After verifying the legality of the “vehicle identity”, the control signal light will send out the correct Signal, instruct the electronic scale to start transmitting weight information; at the same time, the camera is used to monitor whether the vehicle is parked at the designated position and capture the image of the vehicle. If the vehicle is parked normally, the weighing signal can be accepted by the computer.
(3) When the host receives the ID number (corresponding to an identification code) and weight information, it accurately records and backs up the relevant information; then, the system sends an instruction to the controller, and the relay on the controller acts to open the barrier, and at the same time The signal traffic light turns green. The vehicle can drive away from the truck scale channel.
(4) Unload at the designated location, and re-identify at the exit of the system after completion.
(5) The host transmits the vehicle-related information to the data management center, and they finally complete the data processing and statistical tasks, and then send the data to the designated place through the local area network.
Four, system advantages
1.Information collection automation
The weighing data output by the vehicle scale and the electronic tag card number installed on the vehicle are processed by related equipment and then transmitted to the computer. The computer immediately displays the weight of the cargo carried by the car and stores it in the computer’s database. Users can perform operations such as querying, summarizing, and printing according to their needs, thereby realizing information collection automation.
2.Strengthen management to prevent favoritism and fraud
One card for one car, the electronic label is pasted on the windshield of the car, which has the function of tamper-proof. Once the electronic tag is torn off the glass, the chip inside is damaged and cannot be used again. Each time the weighing scale weighs, it strictly corresponds to one card and one car. Cooperate with the camera’s image capture function to ensure that the entire system data is foolproof and accurate.
3.Establish corporate image, improve work efficiency, and reduce operating costs
The system performs computer automated network management on all truck scales (weighbridges) in the entire unit, and can easily measure the weight of the car when the car is empty and full, and understand the actual weight of the goods loaded in the car in real time, thereby greatly improving the work efficiency of the enterprise.
4.Protect the safety of this area and prevent illegal vehicles from entering
The system can be integrated with the parking lot management system. Only vehicles with legal electronic tags can enter the car cargo weighing area, thereby improving the safety of the area. In terms of refueling tank trucks, it is particularly important.
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