CN209399945U - Based on without constraint homocentric beam race automobile pattern Active visual inspection system - Google Patents
Based on without constraint homocentric beam race automobile pattern Active visual inspection system Download PDFInfo
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- CN209399945U CN209399945U CN201920055809.2U CN201920055809U CN209399945U CN 209399945 U CN209399945 U CN 209399945U CN 201920055809 U CN201920055809 U CN 201920055809U CN 209399945 U CN209399945 U CN 209399945U
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- dimensional target
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Abstract
The utility model discloses one kind based on without constraint homocentric beam race automobile pattern Active visual inspection system, it is intended to solve the problems, such as based on without constraint homocentric beam race automobile pattern Active visual inspection.Based on being mainly made of video camera (1), three-dimensional target (2), laser level (3), two-dimensional target (4), two-dimensional target pedestal (5), connector (6) with tripod (7) without constraint homocentric beam race automobile pattern Active visual inspection system.Groove on two-dimensional target (4) bottom and two-dimensional target pedestal (5), which is interference fitted, to be connected, two-dimensional target (4) is placed in the inside elongated slot of connector (6) to be interference fitted with connector (6) and connect, laser level (3) is inserted into the round tube inner hole of connector (6), it is interference fitted and connects with connector (6), it is simple, reliable performance based on without constraint homocentric beam race automobile pattern Active visual inspection system to provide a kind of structure.
Description
Technical field
The utility model relates to a kind of measuring devices of automobile pattern detection field, more specifically, it is that one kind is based on
Without constraint homocentric beam race automobile pattern Active visual inspection system.
Background technique
Currently, the detection technique of automobile pattern has important research significance to fields such as auto repair, automotive checks.Often
The detection system seen is broadly divided into contact and contactless.Due to the problems such as contact type measurement system convenience is poor, time-consuming,
Contactless measuring system is more commonly used.Contactless measuring system is to carry out mesh by Application Optics image or two dimension slicing
Mapping amount.However, predominantly project the optics generator of laser plane applied in system at present, and laser plane can only be with
Object under test forms a laser intersection and needs multiple movement if carrying out large-scale target signature reconstruction or topography measurement
Laser level, process is cumbersome, time-consuming.Therefore, how using video camera and laser level are convenient and efficient automobile must be carried out
Shape measure is with regard to particularly significant.In order to realize high efficiency, high-precision automobile Shape measure, devise a kind of based on total without constraint
Heart light beam race automobile pattern Active visual inspection System and method for.
Summary of the invention
The utility model is directed to the at high cost of contactless measuring system, the poor problem of convenience, proposes a kind of based on nothing
Constrain homocentric beam race automobile pattern Active visual inspection system.The system is mainly by an industrial camera, a two-dimentional target
The three-dimensional target of mark, one and the changeless laser level in two-dimensional target relative position, a two-dimensional target pedestal and one
It constitutes, based on without constraint homocentric beam race, passes through the side such as the random consistency sampling of RANSAC, laser projection point linear fit
Method realizes that laser level and two-dimensional calibrations plate relative position are demarcated, and further realizes automobile pattern Active visual inspection.
In conjunction with Figure of description, the utility model adopts the following technical solution is achieved:
Based on including video camera without constraint homocentric beam race automobile pattern Active visual inspection system, three-dimensional target, swash
Light level, two-dimensional target, two-dimensional target pedestal, connector and tripod；
Three-dimensional target is placed on level ground, and two-dimensional target pedestal is placed on level ground, two-dimensional target bottom with
Groove on two-dimensional target pedestal is interference fitted connection, and two-dimensional target is placed in the inside elongated slot of connector and connector interference
It is cooperatively connected, laser level is inserted into the round tube inner hole of connector, is interference fitted and is connected with connector, and tripod is placed on
On level ground, camera shooting motor spindle is fixedly connected by the clamping device at the top of tripod with tripod.
Three-dimensional target described in technical solution is designated as the cube part that three pieces of rectangular steel plates are welded, three-dimensional target table
The regular geometrical pattern of face paste.
Two-dimensional target described in technical solution is Rectangular Parts made of steel plate, and LED dot matrix is posted on two-dimensional target surface.
Two-dimensional target pedestal described in technical solution is the cuboid part of steel plate processing, the upper table of two-dimensional target pedestal
Face processing is fluted.
Connector described in technical solution is U-shaped shell and a round tube weldering by the section that a rectangular steel plates are processed
It connects,
Laser level described in technical solution is the cylindrical component that can emit homocentric beam race.
Video camera described in technical solution is the wide-angle industrial camera with optical filter, and the band logical and laser of optical filter are thrown
Line instrument, two-dimensional target LED dot matrix wavelength it is consistent.
The beneficial effects of the utility model are:
1. the utility model is used based on without constraint homocentric beam race automobile pattern Active visual inspection method.First will
Two-dimensional target 4 is fixedly connected with laser level 3, using three-dimensional target 2, two-dimensional target 4, video camera 1 transformational relation, calibration
Relative position between laser level 3 and two-dimensional target 4.Conversion of the laser rays between two-dimensional target 4 and video camera 1 is recycled to close
System, rebuilds the coordinate of laser rays under 1 coordinate system of video camera.Automobile shape characteristic can be rebuild by singular value decomposition
Point.Finally under conditions of without motion constrains, by moving two-dimensional target 4 and 3 position of laser level being fixed thereon i.e.
The three-dimensional reconstruction to the automobile pattern overall situation can be achieved.
2. components such as the laser level 3 that the automobile Shap feature detection system proposed is related to, two-dimensional target 4, video cameras 1
Between there is no tight positional constrain, for manufacture and detection process increase convenience.It can be converted simultaneously by subjective judgement
The relative positional relationship of two-dimensional target 4 and automobile to be measured goes to obtain corresponding laser projection point reconstruction to find optimal visual angle
Target realizes freely rebuilding to the automobile pattern overall situation.
Detailed description of the invention
Fig. 1 is based on the calibration schematic diagram without constraint homocentric beam race automobile pattern Active visual inspection system；
Fig. 2 is based on the reconstruction schematic diagram without constraint homocentric beam race automobile pattern Active visual inspection system；
Fig. 3 is based on the axonometric drawing without video camera 1 in constraint homocentric beam race automobile pattern Active visual inspection system；
Fig. 4 is surveyed based on the axis without laser level 3 in constraint homocentric beam race automobile pattern Active visual inspection system
Figure；
Fig. 5 is based on the axis without two-dimensional target pedestal 5 in constraint homocentric beam race automobile pattern Active visual inspection system
Mapping；
Fig. 6 is based on the axonometric drawing without connector 6 in constraint homocentric beam race automobile pattern Active visual inspection system；
Fig. 7 is based on the axonometric drawing without constraint homocentric beam race automobile pattern Active visual inspection system intermediate cam frame 7；
In figure: 1. video cameras, 2. three-dimensional targets, 3. laser levels, 4. two-dimensional targets, 5. two-dimensional target pedestals, 6. connect
Fitting, 7. tripods.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Refering to fig. 1 to Fig. 7, based on including video camera without constraint homocentric beam race automobile pattern Active visual inspection system
1, three-dimensional target 2, laser level 3, two-dimensional target 4, two-dimensional target pedestal 5, connector 6 and tripod 7.
Three-dimensional target 2 is the cube part that three pieces of rectangular steel plates are welded, and regular geometric is posted on three-dimensional 2 surface of target
Pattern, three-dimensional target 2 are placed on level ground.Two-dimensional target 4 is Rectangular Parts made of steel plate, 4 surface of two-dimensional target patch
There is LED dot matrix.Two-dimensional target pedestal 5 is the cuboid part of steel plate processing, and the upper surface of two-dimensional target pedestal 5 is machined with recessed
Slot.Two-dimensional target pedestal 5 is placed on level ground, and the groove on 4 bottom of two-dimensional target and two-dimensional target pedestal 5 is interference fitted
Connection.The section that connector 6 is processed by a rectangular steel plates is that U-shaped shell and a round tube are welded, and two-dimensional target 4 is put
It is placed in the inside elongated slot of connector 6 to be interference fitted with connector 6 and connect.Laser level 3 is that can emit homocentric beam race
Cylindrical component, laser level 3 are inserted into the round tube inner hole of connector 6, are interference fitted and are connected with connector 6.Video camera 1
For the wide-angle industrial camera with optical filter, the band logical and the wavelength of laser level 3, the LED dot matrix of two-dimensional target 4 of optical filter
Unanimously, tripod 7 is placed on level ground, and 1 bottom of video camera is solid by the clamping device and tripod 7 at 7 top of tripod
Fixed connection.
By the position for moving two-dimensional target 4 and the laser level being firmly connected with it 3 within sweep of the eye in video camera 1
It sets, can be obtained the laser intersection point of the concentric laser beam and body of a motor car in other positions, so that it is determined that in 1 coordinate of video camera
It is the coordinate of lower automobile pattern characteristic point, completes based on without constraint homocentric beam race automobile pattern Active visual inspection.
Claims (7)
1. one kind based on without constraint homocentric beam race automobile pattern Active visual inspection system, which is characterized in that it is described based on
It include video camera (1), three-dimensional target (2), laser demarcation without constraint homocentric beam race automobile pattern Active visual inspection system
Instrument (3), two-dimensional target (4), two-dimensional target pedestal (5), connector (6) and tripod (7)；
Three-dimensional target (2) is placed on level ground, and two-dimensional target pedestal (5) is placed on level ground, two-dimensional target (4) bottom
Groove in portion and two-dimensional target pedestal (5), which is interference fitted, to be connected, and two-dimensional target (4) is placed in the inside elongated slot of connector (6)
In with connector (6) be interference fitted connect, laser level (3) is inserted into the round tube inner hole of connector (6), with connector
(6) interference fit connection, tripod (7) are placed on level ground, and video camera (1) bottom passes through the folder at the top of tripod (7)
Tight device is fixedly connected with tripod (7).
2. described in accordance with the claim 1 based on without constraint homocentric beam race automobile pattern Active visual inspection system, feature
It is that the video camera (1) is the wide-angle industrial camera with optical filter, the band logical of optical filter and laser level (3), two
The wavelength for tieing up the LED dot matrix of target (4) is consistent.
3. described in accordance with the claim 1 based on without constraint homocentric beam race automobile pattern Active visual inspection system, feature
It is that the three-dimensional target (2) is the cube part that three pieces of rectangular steel plates are welded, rule are posted on three-dimensional target (2) surface
Then geometrical pattern.
4. described in accordance with the claim 1 based on without constraint homocentric beam race automobile pattern Active visual inspection system, feature
It is that the laser level (3) is the cylindrical component that can emit homocentric beam race.
5. described in accordance with the claim 1 based on without constraint homocentric beam race automobile pattern Active visual inspection system, feature
It is that the two-dimensional target (4) is Rectangular Parts made of steel plate, LED dot matrix is posted on two-dimensional target (4) surface.
6. described in accordance with the claim 1 based on without constraint homocentric beam race automobile pattern Active visual inspection system, feature
It is that the two-dimensional target pedestal (5) is the cuboid part of steel plate processing, the upper surface of two-dimensional target pedestal (5) is machined with
Groove.
7. described in accordance with the claim 1 based on without constraint homocentric beam race automobile pattern Active visual inspection system, feature
It is that the section that the connector (6) is processed by a rectangular steel plates is that U-shaped shell and a round tube are welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920055809.2U CN209399945U (en) | 2019-01-14 | 2019-01-14 | Based on without constraint homocentric beam race automobile pattern Active visual inspection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920055809.2U CN209399945U (en) | 2019-01-14 | 2019-01-14 | Based on without constraint homocentric beam race automobile pattern Active visual inspection system |
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| Publication Number | Publication Date |
|---|---|
| CN209399945U true CN209399945U (en) | 2019-09-17 |
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ID=67898394
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920055809.2U Expired - Fee Related CN209399945U (en) | 2019-01-14 | 2019-01-14 | Based on without constraint homocentric beam race automobile pattern Active visual inspection system |
Country Status (1)
| Country | Link |
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| CN (1) | CN209399945U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540040A (en) * | 2019-01-14 | 2019-03-29 | 吉林大学 | Based on without constraint homocentric beam race automobile pattern Active visual inspection System and method for |
| CN112381892A (en) * | 2020-12-09 | 2021-02-19 | 吉林大学 | Method and system for evaluating automobile visual detection error of unconstrained concentric beam family |
-
2019
- 2019-01-14 CN CN201920055809.2U patent/CN209399945U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540040A (en) * | 2019-01-14 | 2019-03-29 | 吉林大学 | Based on without constraint homocentric beam race automobile pattern Active visual inspection System and method for |
| CN109540040B (en) * | 2019-01-14 | 2020-05-01 | 吉林大学 | Active vision detection system and method based on unconstrained concentric beam family automobile morphology |
| CN112381892A (en) * | 2020-12-09 | 2021-02-19 | 吉林大学 | Method and system for evaluating automobile visual detection error of unconstrained concentric beam family |
| CN112381892B (en) * | 2020-12-09 | 2024-01-30 | 吉林大学 | Automobile vision detection error evaluation method and system for unconstrained concentric beam group |
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| 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: 20190917 Termination date: 20210114 |