Ketuo intelligent car search system solves problems for the new building of Chengdu Housing Management Center

chrispeng December 28, 2021 Car Management

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Project Introduction

The new building of Chengdu Housing Management Center has a double-deck underground parking lot with an area of about 30,000 square meters. It was put into use in 2005 and can park 640 cars. The double-deck underground parking lot is divided into three areas, A, B, and C. Areas A and C can enter at the same time, and area C can only enter. Because the parking lot is too large, the road is complicated, there are too many signs, and the traffic volume is large. Many citizens who come to work often cannot find their car immediately after parking. The parking lot was unanimously referred to as a “labyrinth” parking lot by the masses.

Screenshot of Tianfu Morning Post

For a parking lot of this scale and the difficulty of finding cars, the application of intelligent car finding and guidance integrated systems is indispensable. The system also has dual functions, namely car-finding function and guidance function.

According to the actual situation of this parking lot, this solution focuses on intelligent car search. Please see the following diagram for its workflow.

To sum up, the intelligent car search system is when the car owner enters the license plate of his car through the car search terminal installed at the entrance of the parking lot. The map of the parking lot where the owner is located and the seat where his vehicle is parked will be marked on the map, and an optimal pick-up route will be selected according to the overall route of the parking lot and displayed on the map of the parking lot to guide the owner to pick up the car.

At the same time, this system has a parking guidance function that is currently popular in the market. Through the ultrasonic parking space detector installed above each parking space, real-time collection of vehicle information of each parking space in the parking lot. The node controller connected to the detector will collect the information of each connected detector according to the polling method, and according to certain rules, the data will be compressed and encoded and then fed back to the central controller. The central controller completes the data processing, and The processed parking space data is sent to each LED indicator screen of the parking lot to display the vacant parking information, so as to realize the function of guiding the vehicle into the vacant parking space.The system transmits the data to the computer at the same time, and the computer saves the data to the database server. The user can query the real-time parking space information of the parking lot and the year, month, and day statistics of the parking lot through the computer terminal.

The intelligent car search and guidance integrated system is mainly composed of the following equipment: video parking space detection terminal, multi-channel video processor, central processing unit, service processor (optional), network switch, indoor LED parking space display, outdoor LED parking space Display screen, car search query terminal, license plate display (optional), LED information scrolling display and intelligent car search and guidance integrated software.

1. Video parking space detection terminal

The video parking space detection terminal is installed directly above each parking space, facing the parking space, and taking real-time images of each parking space, which is used to obtain the current parking space information and vehicle information of each parking space and transmit it to multi-channel video processing Device.The video parking space detection terminal is equipped with LED lights, which are displayed in red when there is a car in the parking space, and when there is no car.

2. Multi-channel video processor

The multi-channel video processor is a video image processing platform. The main functional modules include: 8-channel video cycle switching, video image acquisition module, DA conversion module, image processing module, and data communication module. Each video switching processor can connect up to 8 video parking detection terminals.

3. Central Processing Unit
Save the image data of the multi-channel video processor transmitted through the network switch, and obtain the location information of the vehicle parked, and open the information to the car search query terminal for the vehicle owner to query the vehicle location.
The background program regularly queries the parking space occupancy information in the database, and counts the data that needs to be updated for each LED parking guidance screen. And send it to the multi-channel video processor closest to the LED parking guidance screen through the network switch to control the display of the LED parking guidance screen.
With its own software, you can access and download parking data information through the network web.

4. Server (optional)
The function is the same as that of the central processor, which is used to save the vehicle image data and parking space data information of the parking lot and control the parking space display of the LED parking space display. If equipped with a central processing unit, no server is required.

5. Network switch
Connect the multi-channel video processor to the central processing unit (server), and the car search query terminal to the central processing unit (server) to realize data transmission.

6. Indoor LED parking display
Receive the parking statistics information of the central processing unit (server), display the current number of free parking spaces in the connected area in real time in the form of numbers and text, which can be used 24 hours a day. The internal program can also be modified at any time according to user requirements to display other information required by the user.

7. Outdoor LED parking space display
Outdoor LED parking space display screen is composed of high-brightness outdoor LED module, drive circuit, control circuit, bracket and other parts. It receives statistical information of parking spaces from the central processing unit (server), displays the number of free parking spaces in the current parking lot in real-time in numbers and text, and can be used 24 hours a day. The internal program can also be modified at any time according to user requirements to display other information required by the user.

8. Car search terminal
Installed at the entrance of the car owner entering the parking lot, input the license plate number by touch, and the map on the touch screen will display and inform the owner of his position and the seat where the vehicle is parked. If it is not displayed, a fuzzy query can also be performed. Through the parking time, the picture of the parking vehicle within the time selected by the owner after the car is parked is displayed for the owner to choose.

9. License plate display (optional)
Installed in front of each parking space, used to display the license plate number of the vehicle parked in the current parking space.

10. LED information scrolling display
Installed in the main aisle to prompt the direction and believe the weather forecast information, etc., can be modified according to customer needs.

11. Intelligent car search and guidance integrated software
The core of the system is intelligent boot software. The parking guidance system includes four basic components: a data acquisition system, an information release system, and a central logic control system. The boot logic of the entire boot system, the sending of instructions, and the storage of data must be processed by the boot software, which manages the operation of the entire boot system and is the core of the entire system.

(3) System boot process

Entry:
When the driver arrives at the entrance of the parking lot with his vehicle, he can learn about the information of the parking lot through the outdoor LED parking display installed at the entrance of the parking lot. The display will respectively show the vacant parking spaces on the two floors of the parking lot.

guide:
After the vehicle enters the parking lot, it will always be guided by the indicator light, indoor LED parking display screen, and information display screen to park the vehicle in the best position. After parking the vehicle, the owner can use the LED information scrolling display to prompt the office to correspond to the office Elevator entrance.

park:
After the vehicle is parked, the system will refresh the information displayed on the information screen.

Find a car:
The car owner only needs to input the license plate number on the touch screen of the car-finding terminal, and quickly find his car according to the best car-finding route indicated on the display screen.

Departure:
After the vehicle leaves the parking space, the system will immediately refresh the free parking digits of the outdoor LED parking space display, and change the color of the parking space indicator light and the indoor LED display information.

　　
(4) Functions realized by the system

Help drivers find cars quickly and guide functions in the parking lot.

　
Qualification

Xiamen Ketuo Communication Technology Co., Ltd. is currently the manufacturer of professional parking guidance system equipment with the largest domestic shipments and the most engineering application cases. The company’s honorary products include: parking guidance system (parking parking guidance system), intelligent and car-finding integrated system, regional guidance system, urban parking guidance system and so on. The products have been successfully used in many large parking lots in more than 20 countries, including Shenzhen’s tallest building, Kingkey Financial Center, Taipei Taoyuan Airport, Singapore Changi International Airport, SM Mall in Manila, Philippines, and Krakow Airport in Poland.

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