CN204202562U - Based on the automobile pattern detection architecture cursor fixed system of point to coordinate axis distance restraint - Google Patents
Based on the automobile pattern detection architecture cursor fixed system of point to coordinate axis distance restraint Download PDFInfo
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- CN204202562U CN204202562U CN201420752806.1U CN201420752806U CN204202562U CN 204202562 U CN204202562 U CN 204202562U CN 201420752806 U CN201420752806 U CN 201420752806U CN 204202562 U CN204202562 U CN 204202562U
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- coordinate axis
- axis distance
- pattern detection
- detection architecture
- distance restraint
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Abstract
The utility model discloses a kind of based on point to the automobile pattern detection architecture cursor fixed system of coordinate axis distance restraint, be intended to solve the problem that directly cannot obtain laser plane equation under world coordinate system for current existing scaling method.Form primarily of three-dimensional scaling plate (1) and T-shaped scaling board (2) based on the calibration system of point to the automobile pattern detection architecture light of coordinate axis distance restraint, provides that a kind of structure is simple, accuracy of detection is high, cumulative errors is little, function is complete, easy and simple to handle, be easy to that installations, highly versatile, cost are lower, the met automotive check industry of dependable performance to car body carry out vision-based detection requirement based on the calibration system putting the automobile pattern detection architecture light arriving coordinate axis distance restraint.
Description
Technical field
The utility model relates to a kind of calibration facility of checkout equipment of auto industry field, and in particular, it relates to a kind of based on the automobile pattern detection architecture cursor fixed system of point to coordinate axis distance restraint.
Background technology
For ensureing the safety traffic of automobile, rationally detect overload and oversize and the size repacking of automobile fast, the vision measurement carrying out every geometric angle of automobile is one of main test item of automobile detection field.At present, mainly rest on the measurement of manual meter ruler to the measurement of automobile dimension and angle, efficiency is low, low precision, and intensity of workers is large.Adopt machine vision metrology technology to carry out non-contact detecting to automobile geometric parameter to be expected to solve above technical bottleneck owing to having the features such as quick, accurate and high reliability.Because three-dimensional scaling thing can to determine the transition matrix of video camera phase areal coordinate and three dimensional space coordinate by a photos, therefore Fast Calibration can be realized; The stated accuracy of three-dimensional scaling thing is higher than two-dimensional calibrations thing simultaneously.But existing three-dimensional scaling thing cannot directly be demarcated the laser plane of automobile Shap feature detection system.The utility model adopts the decomposable asymmetric choice net structure of three-dimensional scaling plate and the combination of T-shaped scaling board, achieve the demarcation of detection system structured light under world coordinate system, system architecture is simple, be convenient to processing and transport, directly can obtain the Spatial General 6 R position equation of detection system structured light plane under world coordinate system, improve the accuracy of automobile pattern testing result, significant to the technical progress of auto industry detection field.
Summary of the invention
The utility model directly cannot obtain the problem of laser plane equation under world coordinate system for current existing scaling method, provide a kind of can directly obtain optical plane position equation under world coordinate system, structure is simple, stated accuracy is high, cumulative errors is little, function is complete, easy and simple to handle, be easy to that installation, highly versatile, cost are lower, the met automotive check industry of dependable performance to automobile pattern carry out vision-based detection requirement based on the calibration system of point to the automobile pattern detection architecture light of coordinate axis distance restraint.
Consult Fig. 1 to Fig. 2, for solving the problems of the technologies described above, the utility model adopts following technical scheme to be achieved.Calibration system based on putting the automobile pattern detection architecture light of coordinate axis distance restraint provided by the utility model includes three-dimensional scaling plate and T-shaped scaling board.
The tapered end straight line of the long rectangular steel plates of T-shaped scaling board bottom overlaps with the public intersection of two block plates of three-dimensional scaling plate.
Three-dimensional scaling plate described in technical scheme is formed by three pieces of mutual vertical weldings of rectangular steel plates, and the inner surface of three-dimensional scaling plate pastes chessboard grid pattern.
T-shaped scaling board described in technical scheme is made up of two blocks of rectangle standard steel plates, and wedge shape is processed in the bottom of the long rectangular steel plates of T-shaped scaling board bottom, vertical welding in the middle part of the rectangular steel plates on top and top, and the rectangular steel plates end face on top pastes chessboard grid pattern.
The beneficial effects of the utility model are:
(1) the utility model directly cannot obtain the problem of laser plane equation under world coordinate system for current existing scaling method, to devise end belt be wedge shape entirety is T-shaped scaling board, the intersection in two faces of the linear top three-dimensional scaling plate of end wedge shape is utilized to overlap, achieve overlapping of T-shaped scaling board and three-dimensional scaling plate world coordinate system coordinate axis, the chessboard grid pattern mark as laser plane and scaling board intersection point is pasted at the end face of scaling board, plane one end unique point of such scaling board to world coordinate system coordinate axis between distance be the length of scaling board, the constraint utilizing different scaling board ends and optical plane joining to equal bar long to the distance of coordinate axis can be set up optimal objective equation and then be realized the object of direct Calibration of Laser plane equation under world coordinate system, due to the conversion without the need to entering coordinate system, higher stated accuracy can be obtained.
(2) critical part of the present utility model adopts etalon steel to process, and first, standard steel section output is large, and machining operation is few, and make simple, production cost is lower; Secondly, as the important accessory of surveying instrument, adopt standard steel section to have certain intensity, can be indeformable in Long-Time Service, ensure the precision measured, the requirement of national standard to measuring accuracy can be met.
Accompanying drawing explanation
Fig. 1 is based on the axonometric drawing of point to the calibration system of the automobile pattern detection architecture light of coordinate axis distance restraint;
Fig. 2 is based on the axonometric drawing of point to the T-shaped scaling board 2 of the calibration system of the automobile pattern detection architecture light of coordinate axis distance restraint;
In figure: 1. three-dimensional scaling plate, 2.T type scaling board.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Consult Fig. 1 to Fig. 2, include three-dimensional scaling plate 1 and T-shaped scaling board 2 based on the calibration system putting the automobile pattern detection architecture light of coordinate axis distance restraint.
Three-dimensional scaling plate 1 is formed by three pieces of mutual vertical weldings of rectangular steel plates, and the inner surface of three-dimensional scaling plate 1 pastes chessboard grid pattern.
T-shaped scaling board 2 is made up of two blocks of rectangle standard steel plates, wedge shape is processed in the bottom of the long rectangular steel plates of T-shaped scaling board 2 bottom, vertical welding in the middle part of the rectangular steel plates on top and top, the rectangular steel plates end face on top pastes chessboard grid pattern, and the tapered end straight line of long rectangular steel plates of T-shaped scaling board 2 bottom overlaps with the public intersection of two block plates of three-dimensional scaling plate 1.
Based on the using method of point to the calibration system of the automobile pattern detection architecture light of coordinate axis distance restraint: by the fixed position be placed on based on the calibration system putting the automobile pattern detection architecture light of coordinate axis distance restraint within the scope of the camera field of view of automobile Shap feature detection system, start video camera and laser level, the tapered end linear top of T-shaped scaling board is overlapped with the coordinate axis of three-dimensional scaling plate, the unique point of the gridiron pattern pattern of the T-shaped scaling board other end passes through optical plane, by camera acquisition image, again T-shaped scaling board is moved to the another location of unique point by optical plane of gridiron pattern pattern, again by camera acquisition image, after gathering multiple image, setting up unique point to the equidistant constraint of coordinate axis solves, complete based on the demarcation of point to the automobile pattern detection architecture optic plane equations of coordinate axis distance restraint.
Claims (3)
1. one kind is arrived the automobile pattern detection architecture cursor fixed system of coordinate axis distance restraint based on point, it is characterized in that, described is made up of three-dimensional scaling plate (1) and T-shaped scaling board (2) based on the calibration system of point to the automobile pattern detection architecture light of coordinate axis distance restraint;
The tapered end straight line of the long rectangular steel plates of T-shaped scaling board (2) bottom overlaps with the public intersection of two block plates of three-dimensional scaling plate (1).
2. according to the automobile pattern detection architecture cursor fixed system arriving coordinate axis distance restraint based on point according to claim 1, it is characterized in that described three-dimensional scaling plate (1) is formed by three pieces of mutual vertical weldings of rectangular steel plates, the inner surface of three-dimensional scaling plate (1) pastes chessboard grid pattern.
3. according to the automobile pattern detection architecture cursor fixed system arriving coordinate axis distance restraint based on point according to claim 1, it is characterized in that described T-shaped scaling board (2) is made up of two blocks of rectangle standard steel plates, wedge shape is processed in the bottom of the long rectangular steel plates of T-shaped scaling board (2) bottom, vertical welding in the middle part of the rectangular steel plates on top and top, the rectangular steel plates end face on top pastes chessboard grid pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420752806.1U CN204202562U (en) | 2014-12-02 | 2014-12-02 | Based on the automobile pattern detection architecture cursor fixed system of point to coordinate axis distance restraint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420752806.1U CN204202562U (en) | 2014-12-02 | 2014-12-02 | Based on the automobile pattern detection architecture cursor fixed system of point to coordinate axis distance restraint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204202562U true CN204202562U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420752806.1U Withdrawn - After Issue CN204202562U (en) | 2014-12-02 | 2014-12-02 | Based on the automobile pattern detection architecture cursor fixed system of point to coordinate axis distance restraint |
Country Status (1)
| Country | Link |
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| CN (1) | CN204202562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374321A (en) * | 2014-12-02 | 2015-02-25 | 吉林大学 | Automobile appearance detection structured light calibration system based on point to coordinate axis distance constraint |
-
2014
- 2014-12-02 CN CN201420752806.1U patent/CN204202562U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374321A (en) * | 2014-12-02 | 2015-02-25 | 吉林大学 | Automobile appearance detection structured light calibration system based on point to coordinate axis distance constraint |
| CN104374321B (en) * | 2014-12-02 | 2016-09-28 | 吉林大学 | Automobile Shape measure calibration system based on point to coordinate axes distance restraint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150311 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |