A new type of road vehicle detection device operation method based on bluetooth

Abstract

The invention discloses a novel Bluetooth-based road vehicle detection device and a method for operating the same. The novel Bluetooth-based road vehicle detection device is characterized in that a mixed signal micro-processor U4 is connected with a multi-mode Bluetooth communication chip U5 by SPI (serial peripheral interface) high-speed serial bus, communication can be carried out, and configuration parameters of the current multi-mode Bluetooth communication chip U5 can be queried by the aid of internal databases of the mixed signal micro-processor U4 and can be issued to the multi-mode Bluetooth communication chip U5 via the SPI high-speed serial bus to initially configure the multi-mode Bluetooth communication chip U5; a 2.4-GHZ high-frequency filter F1 is connected with the multi-mode Bluetooth communication chip U5, an external Bluetooth vehicle detection antenna is connected with the multi-mode Bluetooth communication chip U5 by the 2.4-GHZ high-frequency filter F1 after the multi-mode Bluetooth communication chip U5 is completely initially configured, and wireless Bluetooth signals transmitted by road vehicles with Bluetooth modules can be received by the external Bluetooth vehicle detection antenna, so that the road vehicles can be detected.

Description

technical field [0001] The invention relates to the technical fields of road traffic control and intelligent traffic, in particular to a new bluetooth-based operating method of a road vehicle detection device. Background technique [0002] The existing detection methods for vehicles in the field of intelligent transportation are usually several conventional detection methods such as geomagnetic induction detection, video analysis detection, and microwave radar detection. For these detection methods, there are disadvantages: [0003] 1. The geomagnetic induction detection method needs to bury the ground induction coil on the road, and needs to cut the road surface, which will damage the physical characteristics of the road, and the construction and installation procedures are cumbersome and complicated, and the cost is high. [0004] 2. Whether to analyze and detect uses a video camera to capture video of road vehicles, and then through a certain computer software algorithm, ...

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Problems solved by technology

[0005] 3. The method of video analysis and detection needs to install cameras on the road. The construction is more complicated, and the cost is high. It is more sensitive to changes in ambient light, especially at night. The requirements for light are higher, so the scope of application is relatively limited.

[0006] 4. The installation method of microwave detection has high requirements, and its installation requires a certain height of the pole, and the power supply is relatively large, and the cost is relatively high

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