System and method for measuring real-time running speed of vehicle

A driving speed and measurement system technology, which is applied to the traffic control system, traffic control system, traffic flow detection and other directions of road vehicles, can solve the problems that the speed measurement module cannot measure the real-time driving speed of the vehicle and affect the photographing, and reduce the Error, the effect of improving accuracy

Pending Publication Date: 2020-12-18
HARBIN KEJIA GENERAL MECHANICAL & ELECTRICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: The present invention solves the problem that the conventional speed measurement module cannot measure the real-time driving speed of the vehicle when taking pictures of the road vehicle frontier security detection system, thereby affecting the problem of taking pictures. The present invention proposes a measurement system and measurement method

Method used

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  • System and method for measuring real-time running speed of vehicle
  • System and method for measuring real-time running speed of vehicle
  • System and method for measuring real-time running speed of vehicle

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Experimental program
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specific Embodiment approach 1

[0034] Specific embodiment one: a kind of measurement system of vehicle real-time traveling speed, it comprises microprocessor 6 and at least one distance measuring sensor 2;

[0035] The distance measuring sensor 2 is arranged on the side of the vehicle's driving route, and is used to measure the distance between it and the vehicle in motion;

[0036] The microprocessor 6 is signal-connected with the distance measuring sensor 2 , and the microprocessor 6 is used to obtain the driving speed of the vehicle according to the measurement result of the distance measuring sensor 2 .

[0037] In this application, the real-time speed of the vehicle can be measured simply, efficiently and accurately through the cooperation of the distance measuring sensor 2 and the microprocessor 6 . When the vehicle real-time driving speed measurement system provided by this application is applied to the highway border security detection system, the scanning camera sets the photographing frequency acc...

specific Embodiment approach 2

[0040] Specific implementation mode two: reference figure 1 and figure 2 , There are two distance measuring sensors 2, and the two distance measuring sensors 2 are arranged symmetrically along the road length direction at the roadside on the road vehicle exit side. By arranging two ranging sensors 2, the error can be reduced, the precision can be improved, and it has better economic cost.

[0041] Other specific implementations are the same as the first specific implementation.

specific Embodiment approach 3

[0042] Specific embodiment three: the system also includes a camera module 5 and a plurality of road marking lines 3;

[0043] A plurality of road surface marking lines 3 are arranged at intervals along the highway length direction, and each road surface marking line 3 is all perpendicular to the driving route of the vehicle, and the camera module 5 is connected with the microprocessor 6 signal, and the camera module 5 is used for taking photos including The image information of the relative positional relationship between the driving vehicle and the road surface marking line 3, the microprocessor 6 is used to obtain the driving speed of the vehicle according to the image information. The camera module 5 photographs and saves the vehicle and the road marking line 3 in real time, and through the cooperation of the camera module 5 and the road marking line 3, it is verified whether the detection result of the ranging sensor 2 is accurate.

[0044] Optionally, the road marking li...

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Abstract

The invention relates to the field of vehicle speed real-time monitoring, in particular to a vehicle real-time running speed measuring system and measuring method, and solves the problem that a conventional speed measuring module cannot measure the vehicle real-time running speed and image capture is affected when a road vehicle border defense safety detection system takes pictures. The system comprises a microprocessor, distance measuring sensors, a camera module, a geomagnetic detector, a display module, a road surface center line and a road surface calibration line; when a vehicle passes through the geomagnetic detector, the microprocessor detects incoming vehicle signals, the system enters a working state, the vehicle advances according to the road surface center line, and the microprocessor controls the left and right distance measuring sensors to work at the same time; the microprocessor calculates according to the distance data measured by the left and right groups of distance measuring sensors and the data receiving time of the sensors to finally obtain the real-time running speed of the vehicle, and the real-time vehicle speed is displayed on the display module; the microprocessor and the camera module shoot and store the vehicle and the road surface calibration line in real time through communication data transmission.

Description

technical field [0001] The invention relates to the field of real-time monitoring of vehicle speed, in particular to a measurement system and method for real-time driving speed of vehicles. Background technique [0002] The road vehicle border security detection system is mainly used to detect vehicles at the entry and exit gates. The equipment is mainly used in frontier inspection stations, and the detection objects are transit vehicles. The detection vehicles use laser light sources and line scan cameras to take pictures. Because the triggering of the line scan camera needs to set the shooting frequency according to the speed, in order to ensure that the actual size of each picture is consistent, the vehicle cannot pass at a constant speed, and the shooting effect is not ideal; therefore, it is necessary to measure the real-time speed of the vehicle. The conventional speed measurement module can reach Less than the measurement of the real-time driving speed of the vehicle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/052G08G1/04
CPCG08G1/052G08G1/04
Inventor 杨德凯
Owner HARBIN KEJIA GENERAL MECHANICAL & ELECTRICAL CO LTD
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