CN206638164U - A kind of automobile lamp mask dimension measuring device based on light scanning lens - Google Patents
A kind of automobile lamp mask dimension measuring device based on light scanning lens Download PDFInfo
- Publication number
- CN206638164U CN206638164U CN201720174220.5U CN201720174220U CN206638164U CN 206638164 U CN206638164 U CN 206638164U CN 201720174220 U CN201720174220 U CN 201720174220U CN 206638164 U CN206638164 U CN 206638164U
- Authority
- CN
- China
- Prior art keywords
- scanning lens
- laser
- light scanning
- car light
- center
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model provides a kind of automobile lamp mask dimension measuring device based on light scanning lens, it is characterised in that：Pillar 1 is fixed including the six roots of sensation, the six roots of sensation is fixed pillar and is uniformly distributed with regular hexagon, regular hexagon center and test desk center superposition, vertically moving regulation crossbeam 2 is installed on every pillar, one laser, 3, miniscanning mirrors 4 and two CCD cameras 5 are installed on every crossbeam 2, the center line of light scanning lens 4 falls in the centre position of tested car light mask, digital micro scanning mirror and the symmetrical placement in laser opposite legs center on every crossbeam, CCD camera 5 or so are placed in miniscanning mirror and laser outside with certain degree respectively.Compared with contact measuring apparatus, the utility model has the characteristics that easy to operate, precision is high, can meet the size detection requirement of all kinds automobile lamp mask.
Description
Technical field
It is more particularly to a kind of to be based on light the present invention relates to a kind of Non-contact vehicle car light mask three-dimensional dimension measurement apparatus
The contactless car light mask size detection means of scanning mirror is learned, the invention belongs to field of measuring technique.
Background technology
Car light is the instrument of car lighting, is played an important role during vehicle safe driving.Car light mask size is examined
Survey is a main contents of headlight quality control, as car replacement speed is accelerated, develops new car light mask size inspection
Survey method turns into detection field study hotspot to substitute contact type measurement.It can be realized soon using optical three-dimensional scanning measurement apparatus
Speed, accurate detection, have become the development trend of auto parts and components external form detection.
Car light mask size detection at present is using three-coordinates measuring machine detection car light mask surface quality, to examine car light to fill
With precision.Survey crew need to select finite point on car light mask rim partial points and mask to measure, and can not examine car light face
Cover integral face molded dimension.When carrying out contact type measurement, first have to smooth benchmark bus, it is several for what can not directly be measured in visual field
What element：Such as center of circle, midpoint, intersection point, center line and its mutual distance, shape and position relationship are, it is necessary to carry out a series of multiple
Miscellaneous calculating can just obtain.To improve measurement accuracy, car light manufactory utilizes the cubing to match with car light profile to measure car light
Size, each cubing can only examine the car light of corresponding model, exploitation cubing R＆D cycle length, cost height.Compared to contact
E measurement technology and utilization cubing technology, non-contact 3-D scanning system are surveyed using light scanning lens to complete car light mask surface
Amount, the coordinate value of mask size to be measured is calculated via computer, there is the features such as sweep time is short, and accuracy is high.
Non-contact three-dimensional car light mask measurement apparatus proposed by the present invention has non-connect based on laser measuring technique
The features such as touching, be adaptive, high resolution detection can be carried out to car light mask.The sweeping for realizing scanning mirror by transmission system is transported
Dynamic, the reflection line position of scanning mirror constantly changes, and changes the reflection direction of incident light, realizes and car light mask is scanned.With
Photoelectric device and laser technology reaches its maturity, develop contactless car light mask size measuring system and be possibly realized.
Measurement apparatus proposed by the present invention uses automatically scanning and identification method, realizes the automatically scanning inspection to car light mask
Survey.Car light to be measured is scanned from multiple visual angles, completes scan data fusion.Whole scanning process full automation, without user
Intervene, provided the user a kind of detection means easy to use, simple to operate.Car light mask is scanned to press by left-to-right order
Record data, car light mask profile can be made to be shown respectively in a manner of curved surface, point cloud, grid etc..
System configuration computer aided measurement operating system, the D coordinates value of car light mask can be accurately calculated, preserved
Test result and generation test report.In measurement process, the coordinate of real-time display scanning element, and right angle can be completed on computers
Changed at any time between coordinate and polar coordinates, actual measurement mask data are contrasted with car light mask gross data, obtain testing result.
All measurement results, result of calculation and car light mask contour pattern are preserved in a computer with document form, can be adjusted at any time
With, editor and printing.The three-dimensional coordinate measurement operating system of appliance computer subsidiary, image processing and coordinate are completed in real time
Calculate, suitable for the non-cpntact measurement of various car light mask sizes.
The content of the invention
It is an object of the invention to provide a kind of accuracy of detection is high, cost is low and is adapted to the inspection of all kinds car light mask size
Device is surveyed, the measurement point of contact measuring method is limited, environmental requirement is strict and the problems such as measurement error be present to solve.
To solve the above problems, technical scheme provides a kind of contactless car light based on light scanning lens
Mask size detection means, it is characterised in that：Including fixing pillar, regular hexagon center with the equally distributed six roots of sensation of regular hexagon
With the center superposition of test desk, vertically moving crossbeam is installed on every pillar, a laser is installed on every crossbeam
Device, a miniscanning mirror and two CCD cameras, the center line of micro scanning mirror fall in the center of test desk, every crossbeam
On digital micro scanning mirror and the symmetrical placement in laser opposite legs center, two CCD cameras on crossbeam or so respectively
The outside of miniscanning mirror and laser is placed in certain degree.
The present invention has following significant advantage compared with contact type measurement technology：Using the survey based on optical micro-scanning mirror
Array is measured, the sweeping for realizing micro scanning mirror by stepping motor system acts, and then changes laser emitting direction, realizes to mask
Sector scanning.Have the characteristics that small volume, precision are high and continuous measurement overall to car light mask can be realized.Tester will be to be measured
Car light mask is placed on instrument designated area, only requires that car light mask and turntable keep being relatively fixed in scanning process.
The present invention is easy to operate, precision is high, can meet various automobile lamp mask measurement requests.
Brief description of the drawings
Fig. 1 is that the structure of the contactless car light mask scanner provided by the invention based on digital micro scanning mirror is overlooked
Figure.
Fig. 2 is that CCD camera of the present invention covers schematic diagram to the visual field of car light mask.
Fig. 3 shows for visual field covering of the laser scanning line that the digital micro scanning mirror that the present invention uses reflects to car light mask
Figure.
Fig. 4 is stepper motor driven micro scanning mirror schematic diagram of the present invention.
Fig. 5 is the electrical connection of the contactless car light mask scanner provided by the invention based on digital micro scanning mirror
Figure.Fig. 6 is automobile lamp mask dimension measuring device structure diagram provided by the invention.
Embodiment
To make the present invention implement to become apparent, accompanying drawing is coordinated to be described in detail below：
As shown in Figure 1 to Figure 3, a kind of contactless car light mask size inspection based on light scanning lens provided by the invention
Device is surveyed, mainly includes the six roots of sensation and fixes pillar 1,2, six, the crossbeam light scanning lens of laser line generator 3, six, 4,12 CCD
Camera 5, a test desk 6.
The six roots of sensation is fixed pillar and is uniformly distributed with regular hexagon, regular hexagon center and test desk center superposition, in every branch
Moveable crossbeam 2 is installed on post, 3, miniscanning mirrors 4 of a laser and two CCD cameras 5 are installed on crossbeam 2,
The center line of light scanning lens 4 falls light scanning lens and laser on the centre position of tested car light mask, every crossbeam
The symmetrical placement in opposite legs center, CCD camera 5 or so are placed in the outer of miniscanning mirror and laser with certain degree respectively
Side.
The action of laser sweeping is realized that the deflection angle ranges of light scanning lens 4 are ± 25 ° by light scanning lens 4 in the present invention,
The range of deflection angles of the laser beam reflected is ± 50 °.If the length of tested car light mask is L, due to light scanning lens 4
The maximum subtended angle of the laser beam reflected is 50 °, in order to ensure light scanning lens 4 can complete scan car light mask from top to bottom,
Tested the distance between car light mask and pillar X>L/2tan25°.
The initial deflection angle of light scanning lens 4 is identical in the present invention, is in 30 ° with horizontal direction, from six not Tongfangs
To laser line generator 3 produce six bunch laser, reflexing to tested car light mask surface via scanning mirror forms the laser ring of light,
The CCD camera 5 on six roots of sensation pillar obtains the image of the laser ring of light from different perspectives respectively.By changing light scanning lens 4
Minute surface sweeping angle 14, and then change the reflection angle 15 of incident line laser successively.When the pivot angle of light scanning lens 4 reaches specified
Value, laser line generator 3 is triggered, the laser scanning of a position is realized, in once complete laser scanning car light mask process
In, all time for exposure of CCD camera 5 are all higher than sweep time, and CCD camera 5 is fixed in scanning process.In measurement apparatus
CCD camera 5 covers 13 to the visual field of car light mask as shown in Fig. 2 visual field covering 15 such as Fig. 3 of the laser scanning line to car light mask
It is shown.Using the center curve of the image processing program extraction laser ring of light, with reference to the calibrating template of CCD camera 5, surveyed according to triangle
Amount method, car light mask surface geometry information is rebuild, the three-dimensional coordinate of measurement point is calculated.
The structure of optical scanner 4 employed in the present invention is as shown in Figure 4.It is mainly by power transmission shaft 7, oscillating structural member 8, reflection
Mirror 9, stepper motor 10 and pedestal 11 form.Stepper motor 10 transmits motion to oscillating structural member 8, speculum 9 by power transmission shaft 7
It is fixed on oscillating structural member 8, speculum 9 is rotated and rotated with oscillating structural member 8.Rotated by Pulse Width Control stepper motor 10, it is real
The existing rotational angle of power transmission shaft 7, that is, change the pivot angle size of oscillating structural member 8, it is so as to control the deflection angle of oscillating structural member 8, i.e., anti-
Penetrate the deflection angle of mirror 9.
With reference to Fig. 5, car light mask measurement apparatus provided by the present invention starts control unit 13 by computer 12 and and guided
It completes every control work, and control unit 13 controls the angle that stepper motor 10 rotates, realizes that optics is swept by transmission link
The sweeping of mirror 4 is retouched to laser line generator 3 is triggered during specified angle, to realize the laser scanning of a position.Laser scanning linear light
Signal is sent to image pick-up card via CCD camera 5, and image pick-up card is back to computer 12 by image is formed.
The present invention uses optical triangulation, laser center line is extracted using edge detecting technology, with reference to CCD camera 5
Calibrating template reconstruct car light mask surface profile, pass through to calculate and obtain car light mask and measure point coordinates.By to car light mask
Laser measurement, the coordinate data on car light mask surface is quickly generated, overcome data collection point existing for contact measurement method
Limited, the shortcomings of calibration process is cumbersome, measurement apparatus provided by the invention is easy to operate, time of measuring is short, precision is high, can meet
All kinds car light mask size testing requirements.
Claims (3)
- A kind of 1. automobile lamp mask dimension measuring device based on light scanning lens, it is characterised in that：Branch is fixed including the six roots of sensation Post (1), vertically moving regulation crossbeam (2) is installed on every pillar, a laser is installed on every crossbeam (2) (3), a miniscanning mirror (4) and two CCD cameras (5), the center line of light scanning lens (4) fall in tested car light mask Centre position.
- 2. a kind of automobile lamp mask dimension measuring device based on light scanning lens as claimed in claim 1, its feature exist In：The six roots of sensation is fixed pillar (1) and is uniformly distributed with regular hexagon, regular hexagon center and test desk center superposition.
- 3. a kind of automobile lamp mask dimension measuring device based on light scanning lens as claimed in claim 2, its feature exist In：Light scanning lens (4) and laser (3) symmetrical placement in opposite legs (1) center on crossbeam (2), CCD camera (5) Left and right is placed in the outside of light scanning lens (4) and laser (3) with certain degree respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720174220.5U CN206638164U (en) | 2017-02-27 | 2017-02-27 | A kind of automobile lamp mask dimension measuring device based on light scanning lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720174220.5U CN206638164U (en) | 2017-02-27 | 2017-02-27 | A kind of automobile lamp mask dimension measuring device based on light scanning lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206638164U true CN206638164U (en) | 2017-11-14 |
Family
ID=60252381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720174220.5U Expired - Fee Related CN206638164U (en) | 2017-02-27 | 2017-02-27 | A kind of automobile lamp mask dimension measuring device based on light scanning lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206638164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063085A (en) * | 2017-02-27 | 2017-08-18 | 河南理工大学 | A kind of automobile lamp mask dimension measuring device based on light scanning lens |
-
2017
- 2017-02-27 CN CN201720174220.5U patent/CN206638164U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063085A (en) * | 2017-02-27 | 2017-08-18 | 河南理工大学 | A kind of automobile lamp mask dimension measuring device based on light scanning lens |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10089415B2 (en) | Three-dimensional coordinate scanner and method of operation | |
| CN204730814U (en) | A kind of parts passer based on line laser three-dimensional measurement | |
| CN106017325B (en) | Improved non-contact optical measurement method for complex surface and irregular object volume | |
| CN105953747B (en) | Structured light projection full view 3-D imaging system and method | |
| CN101419063A (en) | Cylindricity non-contact measurement method and system based on multi-diameter splicing technology | |
| CN103591939A (en) | Method for measuring simulated seabed terrain based on active stereo vision technology and measuring equipment | |
| CN101782375A (en) | Three-dimensional measuring device | |
| CN102012217A (en) | Method for measuring three-dimensional geometrical outline of large-size appearance object based on binocular vision | |
| CN102288131A (en) | Adaptive stripe measurement device of 360-degree contour error of object and method thereof | |
| CN105627948A (en) | Large-scale complex curved surface measurement system and application thereof | |
| CN108458659A (en) | A kind of blade contactless detection device and method | |
| CN104655011A (en) | Non-contact optical measurement method for volume of irregular convex-surface object | |
| CN103148784A (en) | Full size detection method for large vane | |
| CN107796718A (en) | Brineling system and method | |
| Kumar et al. | 3D scanner integration with product development | |
| Zhang et al. | Three-dimensional shape measurement for an underwater object based on two-dimensional grating pattern projection | |
| CN108344751A (en) | Plate of material shape defect detecting system and method based on multichannel light source | |
| CN103267495A (en) | Detecting method and detecting system for unit mirror surface shape used for tower-type solar thermal power generation | |
| CN105841618A (en) | Two-dimensional and three-dimensional combined measuring instrument and data fusion calibration method thereof | |
| Xiong et al. | The development of optical fringe measurement system integrated with a CMM for products inspection | |
| CN111353997A (en) | Real-time three-dimensional surface defect detection method based on fringe projection | |
| CN206638164U (en) | A kind of automobile lamp mask dimension measuring device based on light scanning lens | |
| Manthey et al. | Calibration of a laser range-finding coordinate-measuring machine | |
| CN107063085A (en) | A kind of automobile lamp mask dimension measuring device based on light scanning lens | |
| JP3781438B2 (en) | 3D surface shape measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20200227 |