Intelligent parking space guidance system solution

chrispeng December 29, 2021 Car Management

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1. Overview of requirements

Current parking management problems

With the modernization of Chinese cities and the development of internationalization, the number of cars owned by urban residents has increased sharply, and the contradiction between cars and parking spaces in crowded urban areas has become more and more prominent. More and more public parking lots are increasingly unable to meet the frequent parking demand. On one side, the parking space is not enough, and on the other side, the car owner cannot find the few parking spaces that are free in the corner. In the current parking lot management. The following problems exist:

1. In a traditional parking lot, the manager has no idea how many parking spaces are available in the parking lot, and can only survey manually.

2. In a traditional parking lot, after entering the parking lot, the parker cannot quickly enter the parking position to park the vehicle, and can only manually search for vacant parking spaces in the disorderly flow of the parking lot, which not only takes up the resources of the main lane in and out of the parking lot, but even causes the parking lot traffic congestion.

3. In traditional parking lots, a large number of professional managers must be equipped to guide vehicles to park manually, which will affect the image of the parking lot and increase management costs.

4. In traditional parking lots, managers cannot count the traffic flow in different periods in time every day, and cannot optimize the allocation of parking space resources in time, resulting in low parking lot utilization.

In order to improve the level of informatization and intelligent management of the parking lot, provide car owners with a safer, more comfortable, convenient, fast and open environment, and realize the efficient, energy-saving and environmental protection of the parking lot. Advanced technology, combined with domestic actual conditions, has developed an ultrasonic parking lot guidance system, which can automatically guide vehicles to quickly enter empty parking spaces, reduce management personnel costs, eliminate the trouble of finding parking spaces, and save time to make the image of the parking lot more perfect.

2. The basic situation of the project

2.1 Construction distribution map

2.2 Project construction

Install vehicle detectors on the main aisle and each main passageway, collect the information of each parking space through the detector, and send the data through the central processing to the main road junction screen and the indoor remaining space guide screen through two levels of specific guidance. Guide the vehicle.

First, set the specific distribution of the overall area, and set the total display screen of the intersection to indicate the division of the parking area and the number of free parking spaces in each area. Then after the vehicle enters the parking area, install the vacant parking space display screens in each area at the passageway of each main area to directly inform the owner of the current parking situation in the area, ensuring that the owner can make the fastest parking choice in the shortest time . This can greatly save the time for car owners to find a parking space and then park, and provide the most reliable guarantee for the safer and more efficient circulation of the entire parking lot.

Three, system introduction

3.1 Working principle

Through the Pingzhi parking space detector, real-time collection of parking conditions in each area of the parking lot. The central controller collects the relevant information of each parking space detector in the parking lot according to the polling method. After the central controller analyzes and processes the parking information of the entire parking lot, it collects the data port of the central controller in real time through the computer and sends it to The signs and guide signs in the parking lot provide information to guide vehicles to enter the relevant parking spaces.

3.2 Equipment introduction

3.2.1 Zone guidance controller PZTC-JS

1. The area controller is the core of the entire system, mainly responsible for the collection and control of the entire parking lot guidance system;

2. Communication method: RS485;

3. Working voltage: 220V;

3.2.2 Zone guide display PZTC-203

The display screen is composed of high-brightness LED module, drive circuit, control circuit, bracket and other parts.

Function: Used to display the number of parking in the entire area.

3.2.3 Vehicle detector PZTC-110

technical parameter:

Input voltage: 220V±15% 50Hz (12V to 24VDC can also be used);

Working temperature: -40℃ to +80℃;

Humidity: up to 95% without any doubt;

Sensitivity: 9-level adjustment; adjustable delay;

Size: 76*39*78mm;

3.2.4 Network Controller PZWK-10

technical parameter:

Working voltage: DC5V, 500Ma;

Dimensions: 110mm × 70mm × 25mm;

Working status: When the power is on, the working indicator is on, and the red and green lights flash alternately during data transmission