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Wireless geomagnetic transmission system based on the signal light floor case shell as the medium

A signal transmission system and chassis shell technology, applied in the field of intelligent transportation, can solve the problems of inability to realize long-distance transmission and communication, increase construction costs, etc., and achieve the effects of rapid deployment, cost saving, and improved transmission distance

Active Publication Date: 2016-06-29
ZHEJIANG LISHI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the wireless geomagnetic host communicates with the geomagnetic stick, long-distance transmission and communication cannot be realized.
Moreover, in order to improve the accuracy and long-distance of long-distance transmission, it is generally necessary to add additional processing modules, which not only increases the construction cost, but also greatly increases the construction time

Method used

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  • Wireless geomagnetic transmission system based on the signal light floor case shell as the medium
  • Wireless geomagnetic transmission system based on the signal light floor case shell as the medium
  • Wireless geomagnetic transmission system based on the signal light floor case shell as the medium

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Embodiment Construction

[0024] The present invention will be described in detail in conjunction with the accompanying drawings.

[0025] see figure 1 , a kind of wireless geomagnetic signal transmission system based on the signal light floor case shell as the medium, comprising: a plurality of wireless geomagnetic cylinders 11 arranged on the road surface, a wireless geomagnetic host 13 arranged in the traffic signal light floor case 12, the traffic signal light floor The casing 14 of the case is the transmission medium for the wireless communication between the wireless geomagnetic host 13 and the wireless geomagnetic cylinders 11 .

[0026] Wherein, the wireless geomagnetic cylinder 11 is generally a wireless geomagnetic sensing device. For example, the ferromagnetic material contained in the vehicle itself will affect the geomagnetic signal in the area where the vehicle exists, causing the earth's magnetic field lines in the area where the vehicle exists to bend. When the vehicle passes near the...

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Abstract

A wireless geomagnetic signal transmission system based on the casing of a signal lamp floor-standing case as a medium, comprising: a plurality of wireless geomagnetic cylinders arranged on the road surface; a wireless geomagnetic host arranged in the traffic signal floor-standing case, the outer casing of the traffic signal floor-standing case being: The wireless geomagnetic host is a transmission medium for wireless communication with the plurality of wireless geomagnetic cylinders. The outer shell is a metal conductive shell. The wireless geomagnetic host has at least one wire welded or fixed to the outer shell, and transmits wireless signals and regards the outer shell as a wireless geomagnetism. The host's antenna. The invention can not only improve the transmission distance between the wireless geomagnetic host and the wireless geomagnetic cylinder, but also solve the problem of the installation site of the wireless geomagnetic host, and at the same time, it also makes the installation more convenient and the maintenance simple, thereby saving the cost of construction, and can quickly deploy.

Description

technical field [0001] The invention belongs to the field of intelligent transportation, and in particular relates to an antenna device used for a main body of a road traffic flow detector, that is, a wireless antenna signal transmission system based on a signal light floor case shell as a medium. Background technique [0002] In order to keep abreast of the vehicle traffic conditions on urban roads, expressways, and roads of various grades in order to provide necessary information for road construction and traffic planning, it is usually necessary to bury wireless geomagnetic vehicle detectors on the roads to detect vehicle speed, Traffic and other information. An existing wireless geomagnetic vehicle detector includes a casing, a circuit board and the like arranged in the casing. The existing wireless geomagnetic vehicle detector casing is composed of a body with a cavity and a cover on the top of the body. Since the detector is buried underground, the frequency of vehic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08G1/042G08C17/00
Inventor 陈海江
Owner ZHEJIANG LISHI TECH
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