Road reflection measuring device

By setting an arched focusing dome and multiple light source emitters in the road reflection measuring device and adjusting the incident light angle, the measurement error caused by road misalignment angle is solved, achieving more accurate road marking detection and improving road safety.

CN223581746UActive Publication Date: 2025-11-21DONGGUAN LEIYUN PHOTOELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202422626863.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-11-21
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Existing road marking retroreflection measuring instruments cannot effectively correct for road misalignment angles, resulting in inaccurate measurement data and affecting driving safety.

Method used

Design a road reflection measuring device comprising an arched condenser and multiple light source emitters and photodetectors arranged along its semi-circumference. By adjusting the angle of the light source emitters, road unevenness and misalignment angles can be corrected to ensure that the angle of incident light is adapted to the road surface.

Benefits of technology

This improved the accuracy of retroreflective performance testing for road markings, enhanced the practicality of the test results, and ensured the safety of road markings.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223581746U_ABST
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Abstract

The utility model discloses a road reflection measuring device which comprises a frame body, a cover body arranged above the frame body, an arch-shaped light gathering cover arranged in the cover body, a plurality of light detectors distributed along the circumferential surface of the arch-shaped light gathering cover, and a plurality of light source emitters arranged on the semi-circumferential surface of the arch-shaped light gathering cover and arranged along the same circumferential line of the semi-circumferential surface. When the device is used for monitoring the retroreflection performance of the road marking, the road reflection measuring device is moved to the position of the marking, the reflection detection channel is aligned with the to-be-detected marking, the observation window is opened, and the corresponding light source emitter is started according to the road unevenness and dislocation angle conditions, so that the angle of incident light is changed, and the retroreflection performance of the road marking is monitored. The purposes of detecting road marking lines in different environments and at different positions and correcting dislocation angles formed by road unevenness are achieved, the accuracy of a retroreflection performance test result of the road marking lines can be maintained, and practicability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reverse reflection detector equipment, especially to a road reflection measuring device. BACKGROUND

[0002] Traffic road surface marking is mainly set on the road surface, and requires strong reflection ability, bright color and strong reflectivity of the marking, so as to have good visibility in the daytime and at night. After being subjected to wind, sunlight, rain, snow, freezing and impact and abrasion of sand and stones, the marking is abraded and its reflection performance is decreased. Therefore, based on the consideration of traffic safety, the marking needs to be detected regularly. The reverse reflection marking measuring device is a special optical measuring equipment for measuring the reflection performance of road marking.

[0003] Currently, when the reverse reflection performance of road marking is measured, a road marking reverse reflection measuring instrument needs to be used. When the road surface marking is detected, the most ideal condition of the light intensity received by the light detector is to directly receive the light intensity reflected by the surface of the marking to be detected. However, the current road is not flat, and there is a misalignment angle, which leads to the fact that the existing road marking reverse reflection measuring instrument cannot correct the misalignment angle when in use, which leads to the fact that the measured data result is not accurate enough, and the driving safety is affected. SUMMARY

[0004] Therefore, the utility model discloses a kind of road reflection measuring devices, in the semicircular surface of arched light trap, and along the semicircular surface same circumferential line, different angle arrangement light source emitter is set, satisfy the detection of road marking in different environment and position, reduce the error of detection result.

[0005] The utility model discloses a kind of road reflection measuring devices, in the semicircular surface of arched light trap, and along the semicircular surface same circumferential line, different angle arrangement light source emitter is set, satisfy the detection of road marking in different environment and position, reduce the error of detection result.

[0006] A kind of road reflection measuring device, including frame body and the cover body of installation in frame body upper, further including the arched light trap of setting in cover body, the multiple light detectors distributed along the circumferential surface of the arched light trap, and the multiple light source emitters arranged along the semicircular surface same circumferential line in the semicircular surface of arched light trap.

[0007] Further, the bottom of the arched light trap is provided with an integrally formed mounting plate, the mounting plate is screwed to the lower side of the frame body, a reflection detection channel is formed in the center position of the mounting plate, and a calibration bottom plate is detachably mounted on the mounting plate and corresponds to the reflection detection channel.

[0008] Further, the multiple light source emitters are first light source emitters, second light source emitters, third light source emitters and fourth light source emitters, and the first light source emitters, second light source emitters, third light source emitters and fourth light source emitters are arranged along the semicircular surface same circumferential line in the semicircular surface of arched light trap.

[0009] Further, the first light source emitter is arranged at the vault of the arc-shaped light cover, the second light source emitter is arranged at an angle of 30 degrees with the first light source emitter, the third light source emitter is arranged at an angle of 15 degrees with the second light source emitter, the fourth light source emitter is arranged at an angle of 15 degrees with the third light source emitter, and the fourth light source emitter is arranged at an angle of 30 degrees with the bottom line of the arc-shaped light cover.

[0010] Further, one side of the arc-shaped end face of the arc-shaped light cover is provided with a reinforcing ring.

[0011] Further, the front end of the cover body is provided with an operation display screen, one side of the cover body close to the operation display screen in the cover body is provided with a control assembly, and the control assembly comprises a bottom plate, a PCB plate, a relay, a switch and a wiring board which are arranged on the bottom plate.

[0012] Further, one side of the cover body away from the operation display screen in the cover body is provided with a battery assembly.

[0013] Further, the front end of the cover body is provided with a handle, the rear end of the cover body is provided with a universal wheel, and one side of the cover body is further provided with an observation window, and the observation window is provided with a protection door.

[0014] Further, the frame body is of a rectangular structure, and the cover body is of a rectangular cross section.

[0015] The road reflection measuring device has the advantages that:

[0016] The road reflection measuring device has the advantages that: the frame body and the cover body arranged above the frame body are arranged, the arc-shaped light cover arranged in the cover body, the plurality of light detectors distributed on the circumferential surface of the arc-shaped light cover, and the plurality of light source emitters arranged on the half circumferential surface of the arc-shaped light cover and arranged along the same circumferential line of the half circumferential surface, when the retroreflective performance of the road marking line is monitored, the road reflection measuring device is moved to the marking line position, the reflection detection channel is aligned with the to-be-detected marking line, the observation window is opened, the corresponding light source emitter is started according to the road unevenness and the misalignment angle, so that the angle of incident light is changed, and the misalignment angle formed by the road unevenness is corrected, the accuracy of the retroreflective performance test result of the road marking line is maintained, and the practicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 The road reflection measuring device provided by the embodiment of the utility model has the advantages that:

[0018] Fig. 2 The road reflection measuring device provided by the embodiment of the utility model has the advantages that:

[0019] Fig. 3The utility model discloses an embodiment of light cover, light detector and light source emitter setting structure schematic diagram.

[0020] Sign: 1 - frame, 2 - cover, 21 - handle, 22 - universal wheel, 23 - protection door, 3 - arc light cover, 31 - mounting plate, 32 - reflection detection channel, 33 - reinforcing ring, 34 - calibration bottom plate, 4 - light detector, 51 - first light source emitter, 52 - second light source emitter, 53 - third light source emitter, 54 - fourth light source emitter, 5 - operation display screen, 6 - control assembly, 7 - battery assembly. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "vertical direction", "upper", "lower", "horizontal" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0024] As Figs. 1 to 3 As shown in the figure, the embodiment provides a kind of road reflection measuring device, including rectangular frame 1, cover 2 is installed on the top of rectangular frame 1, arch light cover 3 is set in cover 2, multiple light detectors 4 are distributed along the circumferential surface of arch light cover 3, and first light source emitter 51, second light source emitter 52, third light source emitter 53 and fourth light source emitter 54 are arranged along the same week line of half circumferential surface of arch light cover 3.

[0025] In an embodiment, the bottom of the arched light cover 3 is provided with an integrally formed mounting plate 31 which is screwed to the lower part of the frame 1; a reflection detection channel 32 is formed in the center of the mounting plate 31. One side of the arched end face of the arched light cover 3 is provided with a reinforcing ring 33 for reinforcing the support strength of the arched light cover 3; a calibration bottom plate 34 is detachably mounted on the mounting plate 31 and corresponds to the reflection detection channel 32; the calibration bottom plate 34 is detachably mounted, and the road reflection measuring device is calibrated before use.

[0026] In an embodiment, the first light source emitter 51 is arranged at the vault of the arched light cover 3, the second light source emitter 52 is arranged at an angle of 30° with the first light source emitter 51, the third light source emitter 53 is arranged at an angle of 15° with the second light source emitter 52, the fourth light source emitter 54 is arranged at an angle of 15° with the third light source emitter 53, and the fourth light source emitter 54 is arranged at an angle of 30° with the line at the bottom of the arched light cover 3.

[0027] In an embodiment, the front end of the cover 2 is provided with an operation display screen 5 which is provided with function keys, start keys, pause keys and stop keys. The side of the cover 2 close to the operation display screen 5 is provided with a control assembly 6, and the operation display screen 5 is electrically connected with the control assembly 6. The control assembly 6 comprises a bottom plate, a PCB board, a relay, a switch and a wiring board which are mounted on the bottom plate and are electrically connected with each other.

[0028] In an embodiment, the side of the cover 2 far away from the operation display screen 5 is provided with a battery assembly 7 which is electrically connected with the control assembly 6.

[0029] In an embodiment, the front end of the cover 2 is provided with a handle 21, and the rear end of the cover 2 is provided with universal wheels 22, so that the carrying device can be conveniently moved. One side of the cover 2 is also provided with an observation window through which the internal condition of the measuring device can be observed; a protection door 23 is mounted on the observation window for light protection and protection of the internal structure of the measuring device.

[0030] When the road reflection measuring device is used, the device is moved to the road marking position, the reflection detection channel is aligned with the to-be-detected marking line, the observation window is opened, and the corresponding light source emitter is turned on according to the road unevenness and the misalignment angle, so as to change the angle of the incident light and correct the misalignment angle caused by the road unevenness, thereby maintaining the accuracy of the inverse reflection performance test result of the road marking line and improving the practicability.

[0031] The above merely expresses the preferred technical solutions of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, and the present application also intends to include these changes and modifications.

Claims

1. A road reflectometry device comprising a frame and a cover mounted above the frame, characterized in that: The arch-shaped light collector is provided with a plurality of light detectors distributed along the circumferential surface of the arch-shaped light collector, and a plurality of light source emitters arranged along the same circumferential surface of the half circumferential surface of the arch-shaped light collector. The bottom of the arch-shaped light collector is provided with an integrally formed mounting plate, and a reflection detection channel is formed at the center of the mounting plate.

2. The road reflectometry device of claim 1, wherein: The mounting plate is screwed to the lower part of the frame.

3. The road reflectometry device of claim 1, wherein: The plurality of light source emitters are first, second, third and fourth light source emitters, which are arranged along the same circumferential surface of the half circumferential surface of the arch-shaped light collector.

4. The road reflectometry device of claim 3, wherein: The first light source emitter is arranged at the vault of the arch-shaped light collector, the second light source emitter is arranged at an angle of 30° with the first light source emitter, the third light source emitter is arranged at an angle of 15° with the second light source emitter, the fourth light source emitter is arranged at an angle of 15° with the third light source emitter, and the fourth light source emitter is arranged at an angle of 30° with the bottom line of the arch-shaped light collector.

5. The road reflectometry device of claim 1, wherein: One side of the arc-shaped end surface of the arch-shaped light collector is provided with a reinforcing ring.

6. The road reflectometry device of claim 1, wherein: The front end of the cover body is provided with an operation display screen, and the side of the cover body close to the operation display screen is provided with a control assembly.

7. The road reflectometry device of claim 6, wherein: The side of the cover body away from the operation display screen is provided with a battery assembly.

8. The road reflectometry device of claim 1, wherein: The front end of the cover body is provided with a handle, the rear end of the cover body is provided with a universal wheel, and the side of the cover body is further provided with an observation window, and the observation window is provided with a protective door.

9. The road reflectometry device of claim 1, wherein: The frame body is of a rectangular structure, and the cross section of the cover body is also of a rectangular structure.