In recent years, with the increase in the use rate of on-street parking spaces, roadside parking disputes have been constant, such as: there is a charge for making a phone call while stopping the road; how to pay the parking fee is also posted by the traffic police to violate the parking ticket; Do not charge according to the rules; the owner refused to pay the parking fee and the toll collector disputed. How are these parking disputes broken?
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Although the consequences of parking disputes are numerous, consider carefully: there are two main reasons for roadside parking disputes:
1. Whether the roadside parking space is a regular parking space designated by the government;
2. The parking fee for each section is not open and transparent.
Based on the above two reasons, if there is an electronic device to identify the parking space as a regular parking space, and the billing function can be provided, will the problem be solved? The "video pile" is a product that meets this feature, perhaps solving the road side. The killer of parking chaos. As long as the "video pile" parking space is installed, it must be a regular parking space, and will not be charged by the traffic police. The charge is uniformly billed by the machine, and there will be no situation where the toll collector pays the price at random, so as to avoid disputes caused by the charging standard.
The video pile is a wooden pile type equipment with technical sense located next to the roadside parking space. It has a camera, which can take photos of the parking space, photo license plate recognition, parking time calculation and other functions. It can realize networked monitoring and unified management of parking spaces. , unified charging and other functions, to a large extent to solve the previous parking charges chaos. The physical picture of the video pile is as follows:
Figure 1 video pile physical map
The video pile is an electronic complex integrating power supply technology, industrial control technology, video technology and communication technology.
The workflow of the video pile is as follows: after the vehicle enters the parking space, the video pile takes pictures and identifies the vehicle, starts timing, and reports to the Internet background; after the vehicle leaves the parking space, the video pile stops counting, and reports the Internet background billing, and notifies the customer of the mobile APP. Make a payment.
The schematic diagram of the roadside video pile is as follows:
Figure 2 Schematic diagram of the roadside video pile
The technical requirements for video piles are as follows:
1. Power supply: continuous power supply for 24 hours, low power consumption scheme is required, and low power standby function is required;
2, video shooting: need to have video capture and image analysis, the camera requires high-definition camera;
3, license plate recognition: need to have the license plate recognition function, but only need to identify when entering the parking space in the car, and the production time error does not affect the billing within a few minutes, so the recognition speed does not need to be particularly fast;
4, communication: can use limited network communication or wireless communication technology;
5. Volume: Since the video pile is erected on the road side, it cannot affect pedestrian walking, and it should not be too large.
Based on the above analysis, we can give the following solutions:
1. Power supply: It can remotely draw 24V DC power supply, and isolate each pile with isolated power module to avoid lightning surge and crosstalk to the video pile damage power supply system. In the case of stable power supply, the main control unit with low power consumption of 0.5W and standby power consumption as low as 0.013W can effectively reduce the load pressure of the power supply system;
2, video shooting: can use the Zhiyuan electronic M6G2C-128LI products equipped with a 1 million pixel camera for taking pictures, collecting vehicle information;
3. License plate recognition: M6G2C-128LI adopts NXP's A7 processor. Although it can't compare the decoding speed with hardware decoding and DSP processor on the license plate recognition algorithm, the processing speed of 500M can also meet the speed of license plate recognition for parking applications. required;
4. Communication: M6G2C-128LI has Ethernet function and supports 4G communication module function, which can communicate with background management system;
5. Volume: The size of the M6G2C-128LI module is approximately 1 yuan, which can be embedded in the video pile. The M6G2C dimensions are as follows:
Figure 3 M6G2C size diagram
According to the above scenario description, the block diagram of the "video pile" can be drawn as follows:
Figure 4 video block internal functional block diagram
With the rapid development of the city, parking in major cities is becoming more and more difficult. In the case of a small number of parking spaces, there will be a large number of market demand for roadside parking electronic toll collection systems. Taking Beijing traffic as an example, Beijing will complete the roadside parking electronic toll pilot in 3,916 areas by the end of 2017.
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