Hand-free vehicle management system for Shanghai Renwei Electronic Parking Lot
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1. System significance
1) The establishment of a brand-new property image and the use of modern high-tech products will surely greatly improve the company’s property management image and popularity. Adopting intelligent parking lot management system, no matter from the aspect of product styling, or the advancement and science brought by automatic management, it will establish a good image for property management and make the enterprise a model of scientific management.
2) Strict and prudential fee management process; the original manual methods have large loopholes that can easily cause cash loss. After using the radio frequency intelligent parking lot management system, all vehicle charges are confirmed and calculated by the computer, which eliminates errors and cheating and protects the rights and interests of parking lot investors.
3) Effectively strengthen the safety management of vehicles; one card for one vehicle, data archiving, to ensure the safety of vehicles parked in the parking lot. When cards are issued and received manually, it is inevitable that there are omissions. After the intelligent parking management system is adopted, consumers of monthly rent cards and stored-value cards have recorded corresponding information in the computer, and the card can be reissued in time if it is lost. Lost hourly card can also be retrieved at any time and processed in time. When equipped with image comparison equipment, all types of parking cards are archived with license plate numbers, one card is dedicated, and the license plate is not displayed to the computer at any time, and a warning is given.
2. System architecture and program description
The parking lot hands-free system is an organic combination of RFID semi-active technology (2.45G+125K), computer control technology and billing software system to realize automatic identification of vehicles entering and exiting, automatic barrier control, automatic billing and deduction Expenses, and then fully realize the intelligent vehicle access control. Semi-active RFID technology will completely solve the problem of vehicle adjacent lane interference, avoid the problems of mis-lifting and misjudgment in the one-in-one-out vehicle hand-free system, follow-up problems in the distance vehicle management system, and avoid the vehicle in front without a card The problem of the card being released when the vehicle is released and the vehicle anti-theft film interferes with the vehicle’s anti-theft film, which makes the long-distance entry and exit of the vehicle more smooth and convenient, and the label power consumption problem. And other issues.
2.1 System architecture
System network architecture
2.2 Program description
The tag is placed in the car. When the car is near the barrier, the tag will be activated by the 125K signal from the ground line of the low-frequency activator. After activation, the 2.4G signal of the tag is in the working state at this time, and the 2.4G signal (ID number) is sent out. After receiving the 2.4G signal (ID number) of the tag, the long-distance omnidirectional reader nearby will give a switch signal to the door opening control board. After the control board receives the switch signal, it will actively send it to the door opening motor. At this time, the opening motor works to open the entry and exit gates. After the vehicle leaves the 125K low-frequency activation area by leaving the barrier, the 2.4G signal of the 2.4G electronic tag will stop working, and the relay in the remote reader will stop sending a digital signal to the control panel. At this time, the door opening control panel will stop giving The gate motor sends in the opening voltage, the gate opening control panel will automatically give a closing voltage, and the gate will automatically close.
Three, typical cases
Shanghai Bell Intelligent Parking Lot Dalian Port Weihai Municipal Government
Industrial and Commercial Bank of China Headquarters Dalian Municipal Government
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