The smart parking system adopts the passive radio frequency card technology of the long-distance identification system to assist the parking lot to complete the parking lot charging system.
What is the Core Technology of the Smart Parking System? Operational Characteristics of the Smart Parking System
The smart parking lot management system is a general term for the modern parking lot vehicle charging and equipment automation management. It is a high-tech mechatronics product that completely puts the parking lot under the unified management of the computer. He uses the proximity card IC card or ID card (the latest technology has two-card compatible parking lot) as the carrier, and uses the smart device to make the proximity card record the relevant information of the vehicle and the cardholder's entry and exit, and at the same time calculate, transmit and pass the information. Character display, voice broadcast and other human-machine interfaces are converted into signals that can be identified and judged by humans, so as to realize the purpose of time charging and vehicle management.
With the continuous updating of technology, the smart parking lot also continues to lose weight and the functions continue to increase. The thickness of the latest smart parking card is only 1.7mm thick, and it is also equipped with new functions of double issuance of cards and double card quantity, which greatly reduces the difficulty of management and makes management more convenient and more humane. The configuration of the parking lot management system includes a parking lot controller, a long-distance IC card reader, a proximity card (active card and passive card), an automatic intelligent road gate, a vehicle sensor, a ground-sensing coil, a communication adapter, a camera, and MP4NET. Video digital video recorder, transmission equipment, parking lot system management software, voice prompts, etc. This system helps companies, government agencies, etc. to carry out modern management of the entry and exit of internal vehicles and foreign vehicles, and is of great help to strengthen the management of enterprises and improve the image of the company.
1. Operational characteristics of the smart parking system
The smart parking system is issued by the operator to the fixed users of the parking lot. The user sticks the monthly pass card on the windshield of the car. Every time the vehicle arrives at the gate of the parking lot, the medium and long-distance card reading device determines whether it is authorized, and controls the gate to lift automatically, so the fixed user vehicle can drive straight in without stopping. This greatly improves the traffic efficiency of vehicles and reduces pollution; at the same time, various inconveniences caused by bad weather such as wind and rain are avoided. Temporary users still use the old management method. When entering or leaving the parking lot, the driver rolls the glass window and reaches for the card to enter the parking lot. The most mature one is used in the red gate parking lot system.
2. System composition of smart parking system
According to the design principle, the smart parking lot management system can be divided into three parts: information collection and transmission, information processing and human-machine interface, information storage and query.
3. System functions of the smart parking system
The vehicle induction IC card can store various information of the cardholder. The induction IC card is installed in the cab of each vehicle. When the car passes the induction area of the reader (about 2 meters away from the reader), the induction IC card generates a response signal through the excitation signal sent by the reader. back to the reader. The sensor reader transmits the read signal to the parking lot controller. After the parking lot controller receives the information, it is automatically checked as a valid card, the car brake is automatically opened, and the digital video recorder starts to record, and takes pictures of the car when it enters. Photos, computer records of the car's license plate and driver's name and access information.
3.1 Temporary car charges
Temporary car charging function, when a temporary car enters the venue, you can get a temporary card from the ticket machine, and you need to pay the prescribed fee when you leave the venue, and you can leave after being confirmed by the security guard. When the temporary car enters the parking lot, the ground sensor coil automatically detects the arrival of the vehicle, and the Chinese electronic display screen of the automatic ticket issuing machine displays "Welcome, please take the card". According to the prompt on the ticketing machine, the driver presses the ticketing button on the "automatic ticketing machine at the entrance", and the automatic ticketing machine spit out an induction IC card, and the card reader has automatically finished reading the temporary card. When the gate is opened, the MP4NET digital video recorder starts to take pictures, and the controller records the entry time of the car. When the temporary car leaves the parking lot, the driver will shake the IC card (temporary card) in the induction area at the exit ticket box, the parking lot control will automatically detect that it is a temporary card, and the gate will not be automatically opened. The Chinese electronic display screen of the exit ticket box displays "Please pay ** yuan", and the driver returns the card to the security guard. After paying the fee, the security guard will send the special invoice for parking in each city to the driver. After paying the fee, the security guard will confirm on the charging computer, the gate will be opened, the digital video recorder will start the photo function, the photo will be stored in the computer hard disk, and the controller will record the appearance time. Temporary cars will be paid for parking by time and time, and the payment conditions are set by the user himself in the management software of the computer.
3.2 Parking lot management
The parking lot management function is the core function of centralized collection, comprehensive processing and intelligent response of parking lot information. The manager can fully control various information indicators of the parking lot through the parking lot management function, and realize comprehensive release, unified scheduling, automatic backup, alarm prompt, etc. Function.
3.3 Parking space guidance
Provide drivers with information such as the parking space occupancy status and internal driving routes of the parking lot through SMS query, online query, terminal display and other methods, and guide drivers to find parking spaces in an optimized and convenient way.
This function can reduce the time spent searching for a parking space, balance the competition between parking space and time, and improve the traffic congestion caused by searching for a parking space. At the same time, it plays an extremely important role in improving the utilization rate of parking facilities, optimizing the operation and management of parking lots, and promoting the economic vitality of commercial areas.
3.4 Reverse car search
In large parking lots such as shopping malls and shopping malls, car owners are often lost in the parking lot and cannot find their vehicle due to the large parking space, similar environment and signs, and difficulty in identifying the direction when returning to the parking lot. . The reverse car search function, through the smart terminal or mobile phone short message, inquires the position where the vehicle is parked and the guidance route, so that the user can find the parking area of ??the vehicle as soon as possible.
3.5 Special Vehicle Management
Special vehicle management is an important upgrade function of smart parking lot. It uses parking space perception, video recognition, smart card reading and other technical means to provide exclusive permissions for special vehicles. The entrance of the parking lot can actively identify the identity of special vehicles and automatically guide them into exclusive parking spaces. . When the parking space of a special vehicle is illegally occupied, the system will automatically give an alarm.
3.6 Image comparison
Image storage of vehicles and cardholders as they move through the parking lot. The text information is collected and regularly saved for inquiries by the property management department and the traffic management department. When the vehicle enters or leaves the parking lot, the MP4NET digital video recorder automatically starts the camera function and stores the photo files in the computer. When exiting, the computer automatically compares the new photo with the last photo of the car, and the monitoring personnel can monitor the safety of the vehicle in real time.
4. Precautions when purchasing an smart parking system
4.1 Introduction of Smart Parking Lot System
The smart parking lot management system is more and more widely used in high-end residential houses, companies and factories in modern society. And people's requirements for parking lot management are getting higher and higher, the degree of intelligence is getting higher and higher, the use is more convenient and fast, and it also brings convenience and happiness to human life. It not only improves the work efficiency of modern humans, but also greatly saves manpower and material resources, reduces the company's operating costs, and makes the entire management system safe and reliable. Including vehicle personnel identification, vehicle data management, vehicle access, location tracking and charge management, etc.
4.2 Composition of Smart Parking Lot Management System
The configuration of the smart parking lot management system includes parking lot controller, long-distance IC card reader, proximity card (active card and passive card), automatic gate, vehicle sensor, ground sensor coil, communication adapter, camera, MP4NET Video digital video recorder, transmission equipment, parking lot system management software, etc.
This system helps companies, government agencies, etc. to carry out modern management of the entry and exit of internal vehicles and foreign vehicles, and is of great help to strengthen the management of enterprises and improve the image of the company.
4.3 Requirements for Smart Parking Lot Management System
The smart parking lot management system is set up in the community, with several entrances and exits. All entrances and exits require networking, line data communication, and unified computer management. The distance between the farthest entrance and exit is about 800 meters, and there is an entrance and exit in the basement of two office buildings. The entire parking lot is managed by IC cards and video images.
Entrance and exit system functional requirements
The vehicle induction IC card can store various information of the cardholder. The induction IC card is installed in the cab of each vehicle. When the car passes the induction area of ??the reader (about 2 meters away from the reader), the induction IC card generates a response signal through the excitation signal sent by the reader. back to the reader. The sensor reader transmits the read signal to the parking lot controller. After the parking lot controller receives the information, it is automatically checked as a valid card, the car brake is automatically opened, and the digital video recorder starts to record, and takes pictures of the car when it enters. Photos, computer records of the car's license plate and driver's name and access information.
Based on years of practical experience in designing and installing parking lot charging systems, the parking lot system we designed selects durable and reliable equipment suitable for underground parking lot management, and meets strict construction requirements in terms of engineering construction quality; In terms of design, it provides a set of the most stringent, advanced, easy-to-use, easy-to-maintain and reliable toll collection system for your car yard; a modern management system that not only reduces operating costs, improves economic efficiency, reduces labor intensity, but also improves work efficiency.
4.4 The specific use is as follows
4.4.1 When the permanent user's vehicle enters the parking lot, the sensor automatically detects the entry of the vehicle and judges the validity of the card held. If it is legal, the gate is opened, the vehicle enters the parking lot, the MP4NET digital video recorder captures the photo of the vehicle, and stores it in the computer, the controller records the time when the vehicle enters, and transmits it to the computer when online.
4.4.2 When the temporary user's vehicle enters the parking lot, the temporary card is obtained from the ticket machine, and the sensor automatically detects the entry of the vehicle and judges the validity of the card. If it is legal, the gate is opened, the vehicle enters the parking lot, and the digital video recorder captures the photo of the vehicle and stores it in the computer. The controller records the entry time of the vehicle and transmits it to the computer when it is online.
4.4.3 When the permanent user's vehicle leaves the parking lot, the sensor automatically detects the departure of the vehicle and judges the validity of the card held. If it is legal, the gate is opened, and the vehicle leaves the parking lot. The MP4NET digital video recorder records the photo of the vehicle and stores it in the computer. The controller records the time when the vehicle leaves, and transfers it to the computer when it is online.
4.4.4 When the temporary user vehicle leaves the parking lot, the controller can automatically detect the temporary card and prompt the driver to pay the fee. The temporary vehicle must return the temporary card to the security guard and pay a certain fee. You can leave after being confirmed by security. When the vehicle leaves the parking lot, the MP4NET digital video recorder records the photo of the vehicle and stores it in the digital video recorder. The controller records the time when the vehicle leaves, and transfers it to the digital video recorder when it is online.
In order to effectively prevent criminals from stealing the parking card and then entering the parking lot to steal the car, the image capture card is used to store the vehicle image taken at the entrance into the computer hard disk. The image is stored in the computer, and the computer automatically transfers the image of the vehicle when entering and leaving the field and the image when it leaves the field. After manual identification, the same card number is confirmed, and the same vehicle is released; the difference is alarmed.
Because the system has the function of vehicle image capture, in addition to the management of temporary foreign vehicles and fixed monthly rental card vehicles, the parking lot can also absolutely guarantee the safety of parked vehicles and effectively prevent vehicle loss.
4.5 System software functions
4.5.1 Operator system
The software system is divided into three different levels: operator level, supervisor level and manager level. Different levels correspond to different passwords for entering the software system, so the software system has good confidentiality and reliability.
After operators of different levels enter the software system, they can realize different functions. The operator level can only implement basic functions; the supervisor level can implement other functions including the operator, and can modify the operator password; the manager level is the highest level of operators, and can implement operations including the operator level and the supervisor level. All functions, and all operator passwords can be modified.
The software system has good compatibility and data protection.
4.5.2 Image capture comparison
The image size, definition, color and other parameters can be set by yourself.
Vehicle images are available for reference at any time.
The total storage capacity of images depends on the capacity of the hard disk, and at least 10,000 images (10,000 images) of vehicles entering and leaving for more than one week can be guaranteed for future reference.
4.5.3 Temporary car charging function
The temporary car charging function can also be added. When the temporary car leaves the parking lot, the controller can automatically detect the temporary card and prompt that a certain fee should be paid. Temporary cars must be confirmed by security after paying a certain fee before leaving the parking lot. When the barrier is opened, the MP4NET digital video recorder captures the photo file of the vehicle and stores it in the computer.
4.5.4 Query and change data
Inquire about various related information. For example: common card data list, locked common card list, operator password list, temporary card list, etc.
4.5.5 Data Printing
During the execution of the operation, the operator code and operation content of the operation can be printed out immediately.
The printer prints out the date, time, serial number, time, and operator code of the vehicle.
4.5.6 Optional print report
The printer will print out the required data when the specified print function is executed.
A list of existing frequently used cards information is printed out.
Print out past records (the date, time and stay of vehicles entering and leaving)
print out summary report
5. System Characteristics of Smart Parking System
There are two types of reading distance and short distance. When choosing a long distance, the longest distance can be up to 2.5 meters by using a car active card. You can choose according to the actual needs of users.
Common card management: fixed car owners use common cards to determine the validity period (accurate to minutes and seconds), and can enter and leave the parking lot at will within the confirmed time limit, otherwise they cannot enter the parking lot. Common card information includes card number, car number, valid time, etc. Monthly payment is implemented for commonly used cards. After expiration, the software and Chinese electronic display screen will prompt that the card has expired. Please go through the renewal and payment procedures.
Automatically switch video, no conflict when entering and exiting. All ingested vehicle photo files are stored on the computer's hard drive for later verification. Each picture has a time record, which is convenient for inspection.
Real-time monitoring function: When no vehicle enters, the monitoring computer can monitor the activities of vehicles entering and exiting and all things in real time.
Support the working mode of permanent card and temporary card, automatic identification, record storage.
Anti-smashing car function: When the vehicle is directly under the road barrier, the ground sensing coil detects the presence of the vehicle, and the barrier will not fall until all the vehicles leave directly below it.
Full space detection function: Set the parking space of the parking lot in the management computer. If the vehicle entering the parking lot reaches the parking space, the computer will remind the administrator, and the electronic display screen will show that the parking space is full.
Support offline operation, when the network is interrupted or the PC fails, the parking lot system works normally. Manual control function, the gate can be used normally when the power is cut off. Automatic system maintenance, automatic data update, automatic detection and reset. The parking lot controller supports the LAN network communication function, which can realize the networking of multiple entrances and exits. When the entrance and exit are networked, the LAN network server and communication server must be installed. Support Wiegand26, Wiegand27, Wiegand32 sensor format, automatically detect input.
Support 5000 users, editable user details. Various event query functions, providing time query of camera pictures. Powerful report function, can generate various reports, and provide multi-functional data retrieval. With delay, overvoltage, undervoltage automatic protection. It should have full space reminder and in-field parking navigation functions.
Computer system configuration requirements
The requirements for the motherboard and graphics card are not high, if you need the capture function: hard disk 500G; operating system: XP system; power requirements are relatively stable.
6. Wiring method of smart parking system
The general parking lot system relies on the camera to obtain pictures, the license plate recognition software on the computer to recognize the license plate, and the control panel to control the lift lever of the electric road gate. Too many devices make networking and wiring more difficult, and once the network is disconnected, it is completely impossible work, and cannot adapt to some environments and projects that cannot be configured with computers. NDC300L, fill light, electric gate, one power line and two control lines can complete the overall system connection, making the system wiring, construction and maintenance easier and more convenient.