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【background】
With the rapid development of our country’s economy, the number of urban vehicles has increased exponentially each year. Urban road traffic command and road-occupied parking management are becoming more and more complex. The construction of scientific and intelligent dynamic traffic command management, urban traffic static management and emergency command dispatch The central system has become an urgent requirement for relevant government functional departments to ensure economic construction.
In terms of urban parking management, the following problems are faced:
(1) Long-standing management methods are outdated;
(2) It is impossible to substantially implement the differentiated charging policy for occupied parking, and there are loopholes in the loss of parking charging funds;
(3) Vehicle information such as robbery, scrapping, accident escape, non-annual inspection, illegal and unhandled vehicles cannot be discovered in time, and it is difficult to share information with public security traffic police, and mobile law enforcement cannot be effectively implemented.
【System Overview】
Shenzhen City Information Technology Co., Ltd. Occupying Parking Management Solution According to the current urban parking requirements, it provides an effective urban parking management system solution, which can achieve the following urban parking management goals:
(1) Scientifically plan parking resources, standardize parking on roads, and alleviate parking difficulties;
(2) Introduce social security forces to solve the problem of irregular and unsafe parking;
(3) Adopt price control measures to improve the utilization rate of parking resources;
(4) Adopt electronic billing methods to prevent the loss of revenue.
According to the characteristics of customers’ actual operations, while emphasizing process management, the system-defined process can be coordinated with the customer’s work process to achieve flexible business processes and enhance the convenience of user operations. The system realizes the seamless connection with the SAP system, and establishes an integrated and integrated management mechanism for customers.
1. System topology
2. Function description
2.1 Parking fee management
Differentiated time-based charges are adopted for settlement, and parking can be timed in seconds; the handheld terminal can transmit parking deductions and other information to the back-end management center in time. The built-in smart rate table of the handheld terminal is uniformly downloaded to the handheld terminal in the corresponding area through the wireless network (GPRS) by the management center according to the price standard. Parking management personnel can only enter information such as the license plate number, can view but cannot modify the rate, can carry out vehicle entry and exit operations, and berth inventory, thereby avoiding human factors such as arbitrary charges and loss of fees. Parking payment is automatically billed using handheld terminals , To ensure the openness and transparency of parking fees on roads; it greatly facilitates traffic control and price departments to use price levers and adopt sub-regional and step-based time-based charging methods to achieve reasonable adjustment of urban dynamic traffic flow.
2.3 Online monitoring
Collect parking information, conduct statistical analysis of parking information through electronic maps and special analysis software, provide technical support for the reasonable allocation of parking resources and parking guidance, and facilitate the people to choose parking lots.
2.4 Report statistics
Through the statistics of parking information, various required reports can be obtained, such as: parking point income table, operator income table, blacklist statistics table, inspector record table, etc.
【System Components】
1. Hardware
1.1 RFID electronic tags
1.2 Handheld part
1.3 Mobile SIM Card
Each handset needs to be equipped with a mobile phone SIM card, and the data collected by the handset is transmitted to the central database through the GPRS network.
1.4 Card issuing and recharging equipment
1.5 PSAM card
1.5 server
The communication server, WEB server, and database server can use mainstream PC Server, with memory above 4G, equipped with RAID card, and at least two network cards. The operating system is recommended to use Microsoft server systems, such as Windows Server 2003, Windows Server 2008, Windows Server 2008 R2. The database uses SQL Server 2008 version.
2. Software
2.1 Handheld terminal software
There are two user permissions for the handheld terminal software: one is the toll collector, who has the permissions of vehicle entry, vehicle delivery, and berth inventory; the second is the inspector, who has the permissions of terminal settings and query statistics.
Login:
To verify the legitimacy and validity of the toll collector, the verification method is local verification + online verification, local verification is preferred; after the verification is passed, the data will be packaged and uploaded to the server, and then the parameter information such as the parking point and the tariff rate of the handheld toll terminal will be verified, and the server will automatically Compare the version numbers of related parameters, and return the results to the handheld charging terminal.
Inspector authority:
Toll collector authority:
Vehicle admission:
Temporary parking business in parking lot: When the vehicle is parked, manually enter the license plate number (if you support taking a picture, take a picture of the vehicle after the entry) to confirm the completion, return to the main interface, the system background generates a parking record and uploads the data package and saves it in the database ( Including the photo path), and temporarily store the picture in the storage area.
Vehicle appearance:
When the vehicle is temporarily picked up, the toll collector enters the license plate when the vehicle leaves the field, the toll terminal automatically retrieves the matching parking record from the data table, and calculates the parking fee amount according to the rate, prompts payment. The terminal has multiple payment methods: cash or credit card. When the payment is completed, back to the main interface, the system background automatically generates an upload data package and stores it in the database.
Berth inventory and check-out:
The toll collector compares the parking records of the vehicles entered in the parking lot with the handheld toll terminal, re-enters the vehicles that have not been entered, and will take the left vehicles (missing) as the pickup processing, and the entire process realizes the parking inventory.
2.2 Card issuing and recharging software
2.3 Parking fee management software
The parking fee management software mainly manages and maintains important background parameters. The functions are as follows:
User management, parking point management, handheld terminal management, billing plan management, blacklist management, redlist management, work group management, transaction query, log query
2.4 Parking fee communication service procedures
The communication service program uses the ISO8583 message protocol to receive parking data packets, car retrieval data packets, login data packets, sign-off data packets, blacklist data packets, etc. sent by the handheld terminal, and perform filtering and verification to prevent receiving duplicate data or Incomplete data, and then forward the received correct data into the database.
2.5 Process monitoring program
The process monitoring program is used to monitor the communication service program, prevent abnormal termination of the communication service program, and ensure that the terminal data can be transmitted to the central database normally.
2.6 Web Service
User login and blacklist verification use Web Service for online verification, and use the ASP.NET server in IIS.
2.7 Electronic map system
In the electronic map, you can see the remaining berth information of the parking spot, the charging type, etc. The location of the parking point is automatically marked by reading the latitude and longitude information of the parking point in the database, which is convenient for the expansion of the parking point.
2.8 Report system
2.9 Technical parameters
The communication server and web server need to have an external network IP.
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