Wireless geomagnetic vehicle detector and shell thereof

A vehicle detector and geomagnetic technology, which is applied in traffic control systems, instruments, and traffic control systems of road vehicles, can solve problems such as easy damage to the shell, high frequency of vehicle rolling, and shortened service life of the detector. The effect of long life and stable structure

Active Publication Date: 2013-01-02
北京交通发展研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the detector is buried underground, the frequency of vehicle rolling is high, and the structure of the existing casing is easily damaged, which in turn causes damage to the entire detector
Reduced detector lifetime, increased cost

Method used

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  • Wireless geomagnetic vehicle detector and shell thereof
  • Wireless geomagnetic vehicle detector and shell thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] figure 1 It is a structural exploded view of the wireless geomagnetic vehicle detector shell of the present invention; figure 2 It is a schematic cross-sectional structure diagram of the wireless geomagnetic vehicle detector of the present invention. Such as figure 1 with figure 2 As shown, the housing of the wireless geomagnetic vehicle detector includes a base 1 and an outer cover 2 set on the base. The base 1 and the outer cover 2 are connected by bolts, wherein the base 1 is connected by a bottom plate 11 and a circumferentially closed side plate 12 connected with the bottom plate 11 The edge of the bottom plate 11 protrudes from the outer wall surface of the side plate 12, and the outer cover 2 is composed of a top surface 21 and a side wall 22 connected with the top surface 21 and closed in the circumferential direction.

[0027] In the embodiment shown in the figure, the side plate 12 of the base 1 has four faces, and the corresponding side wall 22 of the co...

Embodiment 2

[0029] This embodiment is a further improvement on the basis of Embodiment 1. The bottom plate 11 of the base 1 and the top of the side plate support the outer cover 2 respectively. These two supports between the base 1 and the outer cover 2 make the connection between the two more stable, which improves the vulnerability of the existing outer shell under vehicle rolling.

Embodiment 3

[0031] This embodiment is a further improvement on the basis of Embodiment 1. A first sealing ring 3 is provided between the top surface of the side plate of the base 1 and the top surface of the housing. A second sealing ring 4 is provided between the bottom plate 11 of the base 1 and the bottom surface of the side wall 22 of the housing 2 . An annular sealing groove is formed on the bottom plate 11 along the outer periphery of the side plate, and the second sealing ring 4 is arranged in the sealing groove to prevent it from being squeezed and displaced from affecting the sealing effect. Two seals are used for waterproofing, and the sealing effect is better.

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PUM

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Abstract

The invention discloses a wireless geomagnetic vehicle detector and a shell thereof. The shell comprises a base and an outer cover sleeved on the base, the base is connected with the outer cover by bolts, the base comprises a bottom plate and side plates, the side plates are connected with the bottom plate and are closed peripherally, the edge of the bottom plate is protruded from outer walls of the side plates, the outer cover comprises a top and side walls, and the side walls are connected with the top and are closed peripherally. The wireless geomagnetic vehicle detector and the shell have the advantages of stable structure and long service life.

Description

technical field [0001] The invention relates to the technical field of road vehicle detection equipment, in particular to a wireless geomagnetic vehicle detector shell and detector. 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, traffic planning, etc., it is often necessary to bury wireless geomagnetic vehicle detectors on the roads to detect vehicle traffic speeds , Traffic and other information. An existing wireless geomagnetic vehicle detector includes a casing and a circuit board 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 vehicle rolling is high, and the structure of the existing casing is easily damaged, thereby causing damage to the entire ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/042
Inventor 张彭郭继孚邓小勇姚青张溪
Owner 北京交通发展研究院
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