TDMA wireless terrestrial magnetism vehicle detector

A vehicle detector and geomagnetic technology, applied in the field of vehicle information collection, can solve the problems of inaccurate measurement results, easy to be affected by the environment, weak anti-interference ability, etc., achieve accurate measurement results, improve the ability to collect signals and anti-interference ability , the effect of fast transmission speed

Inactive Publication Date: 2017-12-22
山东纳普电子科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, as the number of vehicles in the current urban traffic increases, traditional vehicle detectors can no longer meet the needs. Traditional vehicle detectors have weak anti-interference ability and are easily affected by the environment, resulting in inaccurate measurement results.

Method used

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  • TDMA wireless terrestrial magnetism vehicle detector
  • TDMA wireless terrestrial magnetism vehicle detector

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Embodiment Construction

[0028] Below with reference to the accompanying drawings, the specific embodiments of the present invention, such as the shape, structure, mutual position and connection relationship between each part, the role and working principle of each part, etc. will be further described in detail:

[0029] Such as figure 1 As shown, a TDMA wireless geomagnetic vehicle detector includes a geomagnetic sensing module 10, a microprocessor 20, a TDMA transmitting / receiving module 30 and a voltage stabilizing module 40, and the geomagnetic sensing module 10 is used to acquire geomagnetic disturbance signal, and send the geomagnetic disturbance signal to the microprocessor 20; the microprocessor 20 adopts a multi-hop time synchronization algorithm for receiving the geomagnetic disturbance signal from the geomagnetic sensing module 10, and the microprocessor 20 Two-way communication connection between TDMA transmitting / receiving module 30; TDMA transmitting / receiving module 30 is used for commu...

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Abstract

The present invention relates to the vehicle information acquisition technology field, in particular to a TDMA wireless terrestrial magnetism vehicle detector. The TDMA wireless terrestrial magnetism vehicle detector of the present invention comprises a terrestrial magnetism sensing module, a microprocessor, a TDMA emission / reception module and a voltage stabilization module. The terrestrial magnetism sensing module is used to obtain a terrestrial magnetism disturbance signal when a vehicle passes and send the terrestrial magnetism disturbance signal to the microprocessor, the microprocessor adopts a multi-hop time synchronization algorithm, is used to receive the terrestrial magnetism disturbance signal coming from the terrestrial magnetism sensing module and is in bidirectional communication connection with the TDMA emission / reception module, the TDMA emission / reception module is used to communicate with an external device, and the voltage stabilization module is used to supply power to the terrestrial magnetism sensing module, the microprocessor and the TDMA emission / reception module. The type of the microprocessor is MSP430G2553, the power consumption of the TDMA wireless terrestrial magnetism vehicle detector is reduced substantially, and the stability and the accuracy of the TDMA wireless terrestrial magnetism vehicle detector are improved. The TDMA wireless terrestrial magnetism vehicle detector of the present invention is strong in anti-interference capability, low in cost, simple in structure and accurate in measurement result.

Description

technical field [0001] The invention relates to the technical field of vehicle information collection, in particular to a TDMA wireless geomagnetic vehicle detector. Background technique [0002] In the intelligent transportation system, traffic information is the core content. The development and application of various functions of the entire system are closely related to traffic information. The collection, application, and processing of traffic information have realized traffic management from simple static to intelligent dynamic. As the main source of traffic information in intelligent transportation systems, vehicle detectors are an important basis for urban traffic planning and traffic management, and can obtain current traffic information in real time. [0003] However, as the number of vehicles in the current urban traffic increases, traditional vehicle detectors can no longer meet the needs. Traditional vehicle detectors have weak anti-interference ability and are e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/042H04B1/40
CPCG08G1/042H04B1/40
Inventor 边子媛周长参郝建陈顺民高晶
Owner 山东纳普电子科技有限公司
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