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A set of parking lot management system design

A set of parking lot management system design

  • 1. System overview
    With the development of society and economy, the number of cars has increased sharply, and the requirements for parking lots, toll management, and safety management are also increasing. The use of electronic information technology to achieve safe and efficient intelligent management has become the main development direction of vehicle management. In the conventional vehicle access management system, people use non-contact sensing technology, and the sensing distance ranges from 5CM to 8M. The non-contact card is used as the most important identification mark of the car’s identity. Although it can achieve non-stop access, but In order to ensure the unification of the card and the car, it is usually necessary to add an image comparison system, that is, when the car leaves, the on-duty personnel will manually compare the entering and exiting images of the vehicle to ensure the accuracy and safety of the card and the car. It is time-consuming and labor-intensive, and there may be congestion problems when vehicles enter and exit peak hours, and it cannot solve the human factors existing in vehicle entry and exit management. The introduction and application of license plate recognition technology has effectively solved the identification problem in the vehicle management system. Although the characters, colors, format contents and production materials of license plates are various, the license plate number is still the most accurate and specific in the world. The unique “ID card” identification of the vehicle, the automatic license plate recognition technology can realize the automatic registration and verification of the “identity” of the car without making any changes to the car.

The new parking space guidance system is a powerful supplement to the parking lot management system, thus forming a more intelligent parking lot management system. The parking space guidance system can guide and manage vehicles entering and leaving the parking lot. The main function of this design system is to guide people to park more conveniently and quickly, and further improve the management and operation efficiency of government vehicles.

  • 2. Design principles
    In the planning and design of the parking lot management system, we will strictly follow the following principles when designing the scheme.
  • Advanced technology

The system adopts the world’s advanced and mature science and technology, and the main equipment should adopt the advanced products with the current technology leading level, mature and international famous brands, so as to ensure the advanced nature of the system for a considerable period of time.

  • Functionality

In scheme design and equipment selection, attention should be paid to the practicability of system functions. Advanced technology should be beneficial to improve the user’s work efficiency and the use value of the equipment, so as to give the product the highest performance-price ratio.

  • Performance reliability

The high reliability of the system is a strong guarantee for the system function. In this regard, we not only have mature, advanced and reliable products, but also have many years of rich experience in engineering design and construction to ensure that the entire system becomes a stable, reliable and durable system.

  • Ease of operation

The system should also reflect the convenience of its operation and maintenance, and the rationality of the design is its main guarantee; reasonable wiring and operation settings, concise and clear control procedures and operation interfaces, and comprehensive operation manuals.

  • Equipment scalability

With the rapid development of today’s society, many new uses appear with the needs of social development. The main equipment of the system can be updated through software upgrade, which can keep the technology from falling behind for a long time. Moreover, there are many channel interfaces, which can be expanded as application requirements change.

  • 3. System Design
    System Architecture
  • 4. System composition
  • 1. Entry and exit management
    The main promotion of the entrance and exit management system is to control the entry and exit of vehicles by using a combination of electric car stopper + license plate recognition module equipment, and integrating and linking the equipment. Combined with controlling the number of vacant parking spaces, calculating or limiting the parking time, and strengthening the anti-theft/anti-cheating function, the system can more effectively identify and manage vehicles entering and leaving the venue.

When the vehicle enters the field, through video detection, triggering the radar or triggering the coil, triggering the capture machine, shooting the license plate image, obtaining the license plate number from the image through the license plate recognition system, and entering this number into the database for comparison. If it is a temporary user vehicle, store the obtained vehicle information and entry time into the system database and lift the pole to release. If it is a fixed user vehicle, verify that the information is correct, and store the entry time in the system database and lift the lever to release. If the information verification fails or the fixed parking has expired, it will be transferred to manual operation for renewal or to the temporary user vehicle management mode. In addition, if there is no more space in the field, the message “parking space is full” will be displayed on the information display screen at the entrance and exit, and the vehicle will be guided to leave.

When the vehicle enters the field, the vehicle information, parking information, welcome information, etc. will be broadcast by voice and displayed on the information display screen.

When the vehicle leaves the venue, vehicle information, parking information, charging information, etc. will be broadcast and displayed on the information display.

The parking space management process includes the allocation and release of parking spaces, and the parking space information is updated by transferring the vehicle entry and exit information to the system database in real time. The parking space management process includes two stages, one is the parking space allocation and parking space information update when the vehicle enters, and the other is the parking space information update when the vehicle leaves.

Parking space management process when vehicles enter

The parking space management process when the vehicle leaves

Unlicensed car management process

The unlicensed vehicle realizes de-mediation management. By associating the owner’s WeChat/Alipay account with the vehicle, the owner can use WeChat/Alipay to scan the QR code in the lane and use the WeChat/Alipay account information as unlicensed. Vehicle electronic tags to achieve autonomous admission.

  • 2. Induced car search system

The parking guidance system is divided into two different application scenarios: indoor guidance and outdoor guidance. The data collection module installed in the parking lot collects the parking space status information of the parking lot, and sends the information to the control management through the data transmission network according to certain rules. module, the information is analyzed and processed by the control management module and stored in the database server, and sent to the information release module at the same time to provide induced parking services.

The parking space induction and reverse car search system is an organic combination of machinery, electronic computers, automatic control equipment, video technology and intelligent algorithms, which can realize functions such as parking space guidance and reverse car search, and improve the information and intelligent management of the parking lot. It provides car owners with a safer, more comfortable, convenient, fast and open environment, realizes efficient, energy-saving and environmentally friendly operation of the parking lot, reduces the cost of management personnel and saves parking time.

The guidance part includes data acquisition module (including parking space detection camera, parking space guidance light, etc.), central control module (including guidance manager, central server, etc.), database server, information release module (including indoor guidance screen, etc.).

Outdoors, roadside parking cameras are used to monitor and intelligently analyze parking spaces and license plates.

  • 3. Parking lot management platform

The parking lot management platform conducts unified and refined management of vehicles entering and leaving the park. Set up different charging and release rules for different types of parking lots, and support a variety of payment modes, such as self-service payment, postage charging, central payment, etc., which can maintain and manage the equipment in the parking lot uniformly, and provide various The customized reports help users analyze the operation of the parking lot and improve the operating efficiency of the parking lot.

  • 5. System function
    Automatic number plate recognition

When the vehicle approaches the entrance and exit, the system automatically recognizes the vehicle license plate, including the license plate number and license plate color.

While recording images of passing vehicles in real time, it also has the ability to comply with the standards of “GA36-92” (Type 92 license plate), “GA36-2007” (new license plate standard) and “GA36.1-2001” (Type 02 new license plate). Automatic license plate recognition capabilities for civilian license plates, police license plates, military license plates, and armed police license plates, including 2002-style license plates.

Comply with GA/T833-2016 Technical Specification for Automatic Recognition of Motor Vehicle License Plate Images.

It can recognize five license plate colors of black, white, blue, yellow and green.

  • Vehicle information record

Vehicle information includes two types of vehicle traffic information and vehicle image information.

When the vehicle passes through the entrance and exit, the license plate recognition system accurately captures the image including the front end of the vehicle and the license plate, and transmits the image and vehicle traffic information to the entrance control terminal, and can optionally superimpose vehicle traffic information (such as time, location, etc.) in the image, Accurately record vehicle traffic information.

It can provide the front image of the vehicle (including the whole picture of the vehicle), and the snapshot camera adopted by the system has the functions of intelligent imaging and control of supplementary light, and can shoot in various complex environments (such as rain and fog, strong backlight, weak light, strong light, etc.) and at night. produce clear pictures.

  • Information prompt

After the vehicle is captured at the entrance and exit, the system will prompt relevant information, including voice prompts and information display. When the vehicle enters and exits, it can prompt the voice according to the customer’s needs, display the charge amount, and welcome slogans.

  • Picture preview

The system supports real-time display of passing pictures and information on the client side of the sentry box, automatic matching of incoming and outgoing vehicles, and image preview supports patrolling by lane.

  • License plate correction

The system supports manual correction of abnormally recognized license plates on the postbox client, and manual matching of unlicensed vehicles to ensure that the system works normally.

  • Vehicle control

Fixed vehicles: support the correct license plate recognition and comparison, and after the information is verified to be valid, you can enter and exit the venue without other operations;

Temporary vehicles: Capture the license plate and identify it, record the vehicle information in the system, and let it enter the venue directly; when leaving the venue, pay the fee and leave the venue quickly;

Controlling vehicles: The system automatically generates alarms at the front-end guard booths and the center of the suspect vehicles, and at the same time participates in the processing manually.

  • Remote assistance

The parking lot manager can remotely answer the intercom for the entry lane or exit lane through the central client of the system. It can guide the owner’s operation problems; it can make remote corrections for identification errors; it can be used for special vehicles.

  • Barrier control function

The booth client supports remote control of the opening and closing of the electric vehicle stopper, which is convenient for operator management and special control needs.

  • Vehicle charge management function

The system supports the formulation of corresponding charging rules for fixed vehicles, temporary vehicles, group vehicles, etc. It supports the recording of vehicle entry and exit times through license plate recognition at the post when the vehicle leaves the field, and calculates fees and charges, and supports self-service payment.

  • Alarm management function

When the vehicle license plate identified by the system does not meet the conditions, or when the license plate is in the blacklist, the guard box or management center will automatically alarm, prompting the staff to check.

  • Data query function

It can query information such as traffic information, on-site vehicles, operation logs, equipment status and charging amount, and output a complete data report.

  • Statistical report function
  • Supports reporting functions such as parking lot charge statistics, vehicle flow data statistics, temporary vehicle payment statistics, and cash charge statistics.
  • Data upload function

Entry and exit passing data is automatically uploaded to the center, which is centrally stored and managed by the center, and supports front-end data caching and breakpoint resuming.

  • Permission settings and user management functions

In order to realize the security management of the system, the system manages user rights, mainly with the following functions:

  • 1. There are two levels of users: system operators, system administrators, system administrators can add, delete and modify system operators, and can assign user rights.
  • 2. User permissions include: system configuration, card management, vehicle information management, control/removal, query, and statistics.
  • 3. The system configuration includes: user management, entrance and exit management, parking space management, and system settings.

A set of parking lot management system design