Parking space detection method and system thereof

A detection system and technology for parking spaces, applied in the field of parking space detection methods and systems, can solve problems such as affecting accuracy and inapplicability to road auxiliary road parking lots, etc., and achieve the effects of improving measurement accuracy, reducing costs, and overcoming a single means

Active Publication Date: 2012-10-10
BEIJING LOIT TECH
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AI Technical Summary

Problems solved by technology

[0005] The ultrasonic detector measures the state of the vehicle through the emission and reflection of ultrasonic waves, but this method also requires that there should be no dirt or coverings to block the ultrasonic emitting and receiving devices, otherwise the accuracy will be affected. It is suitable for indoor parking lots, and it is not suitable for parking on road auxiliary roads. field

Method used

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  • Parking space detection method and system thereof
  • Parking space detection method and system thereof
  • Parking space detection method and system thereof

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Embodiment 1

[0040] This embodiment provides a parking space detection system, such as figure 1 As shown, it includes at least one data management center and multiple parking space detection node devices.

[0041] The data management center sends data to the parking space detection node device, and receives the judgment result of whether there is a vehicle in the parking space uploaded by the parking space detection node, and manages the parking space according to the received judgment result. For example, external users are reminded of parking space vacancy information, etc.

[0042] The parking spot detection node device receives the data sent by the data management center, determines the signal strength indicator (RSSI) value according to the spectrum information of the received data, and updates the RSSI threshold in combination with the currently determined signal strength indicator value and historical record data, and converts the currently determined The signal strength indicator ...

Embodiment 2

[0053] This embodiment introduces a parking space detection method, which can be implemented based on the system provided in Embodiment 1. Specifically, the method includes the following steps, such as image 3 Shown:

[0054] Step 100, the data management center sends data to the parking space detection node device.

[0055] Step 200, when the parking space detection node device in the parking space detection system receives the data sent by the data management center, it determines the signal strength indicator (RSSI) value according to the spectrum information of the received data.

[0056] In this step, the parking space detection node device performs signal strength analysis on the spectrum information of the received data to obtain a signal strength indication value.

[0057] Step 300, the parking space detection node device updates the RSSI threshold in combination with the currently determined signal strength indicator value and historical record data, and the parkin...

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Abstract

The invention discloses a parking space detection method and a system thereof and relates to a wireless sensor network technology. The parking space detection system disclosed in the invention comprises a data management center and a parking space detection node apparatus, wherein the data management center is used to send data to the parking space detection node apparatus, receive a determination result of whether there is a vehicle parked in a parking space uploaded by the parking space detection node apparatus and carry out management on the parking space according to the received determination result; the parking space detection node apparatus is used to receive the data sent by the data management center, determine a signal strength indicator (RSSI) value according to frequency spectrum information of the received data, combines the current determined signal strength indicator value and a historical record data updating RSSI threshold, compares the current determined signal strength indicator value with the updated RSSI threshold, determine whether there is the vehicle in the parking space and upload the determination result to the data management center. The invention also discloses a parking space detection method. By using technical scheme of the invention, the parking space can be accurately measured and cost is reduced.

Description

technical field [0001] The invention relates to wireless sensor network technology, in particular to a parking space detection method and system. Background technique [0002] The current traffic problem has become a common problem in big cities. The rapid growth of car ownership has made travel and parking problems increasingly severe. The difficulty of parking has seriously affected the quality of people's travel. The intelligent parking space detection can provide parking space information in real time. The comprehensive management system of the urban parking lot enables people to understand the current parking space occupancy in real time, reasonably induce people to drive into the vacant parking lot, reduce parking time, and improve efficiency. [0003] At present, the following types of parking space detection are mainly used: [0004] The infrared detector measures the presence or absence of vehicles through infrared reflection, and the measurement is realized throug...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/14
Inventor 樊勇魏剑平黄孝斌李宇宏
Owner BEIJING LOIT TECH
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