CN107991306A - A kind of optical detection apparatus - Google Patents
A kind of optical detection apparatus Download PDFInfo
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- CN107991306A CN107991306A CN201610953000.2A CN201610953000A CN107991306A CN 107991306 A CN107991306 A CN 107991306A CN 201610953000 A CN201610953000 A CN 201610953000A CN 107991306 A CN107991306 A CN 107991306A
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- image capture
- test position
- detection apparatus
- light source
- optical detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 230000003287 optical effect Effects 0.000 title claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000013500 data storage Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 241000894007 species Species 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008278 dynamic mechanism Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a kind of optical detection apparatus, include a platform and a detection unit, the platform has a test position placed for a thing to be detected, the detection unit includes a light source component, one image capture element and a moving mechanism, the light source component is set with respect to the test position, the image capture element is moved relative to the test position, the moving mechanism connects with the image capture element and controls the image capture element to be moved relative to the test position along one first track, wherein, one first plane of motion that first track is formed meets at least a portion of a sphere to make the image capture element be equal by the distance between each point of first track and the test position.
Description
Technical field
The present invention is espespecially a kind of to have high-freedom degree and the optical detection dress of elastification concurrently to be related to a kind of optical detection apparatus
Put.
Background technology
Automatic optics inspection (Automated Optical Inspection, abbreviation AOI) is common in manufacturing industry, is profit
Coordinate image processing and identification system to judge whether product has flaw with illumination optical, can very determine whether the species of flaw
Or the origin cause of formation, and it is an important step of quality control.
Traditional automatic optics inspection technology such as TaiWan, China patent of invention discloses No. 200801473, proposes a kind of
The automatic optical detecting system of COF/TCP, is the COF/TCP for detecting equidistant arrangement in winding, including a Webbing take-up device, one
Image capture dress, a data storage/comparison device, a backlight grenade instrumentation and an alarming device, the Webbing take-up device include one and use
It is oppositely arranged with the unlocking wheel of one winding of release and one with unlocking wheel to recycle the recycling round of the winding, a detection zone supplies the winding
Constant speed moves thereon；The image capture unit is arranged on one end of the winding, for capturing at least one COF/TCP on the detection zone
Image；Data storage/the comparison device is connected with the image capture unit, is captured in advance for storing the image capture unit
Standard video data, be compared with the image with the COF/TCP；The alarming device connects with the data storage/comparison device
Connect, when the data storage/comparison device compares and detects underproof COF/TCP, there is provided the warning of scene.Or such as Chinese platform
Gulf patent of invention bulletin I 230255, proposes a kind of automatic optical checking machine, is used to check a workpiece, upright it includes one
Platform and a few charge coupled cell, which is essentially perpendicular to ground, to the upright support workpiece；The electricity
Lotus coupling element is being optically inspected the workpiece.
Wherein, TaiWan, China patent of invention discloses the backlight grenade instrumentation and image capture unit in No. 200801473
It is to set up in a fixed manner, and can not moves so that the species of the scope of detection, mode or determinand has limited, and
It is unfavorable for applying；And TaiWan, China patent of invention bulletin I 230255, though charge coupled cell therein is removable, only
It is limited to unidirectional movement, therefore, is limited its applicable scope.Among the above prior art, come for user
Say, when determinand to be replaced, or when adjustment detection angles or method, different types of automated optical detection equipment ability need to be purchased
Reach；And for supplier, in face of different customer demands, also need to re-start adjustment and design for its mechanism,
Customer demand can be met.Therefore, existing automated optical detection equipment is a lack of the function of elastification, is unfavorable for the hair of industry
Exhibition.
The content of the invention
The main object of the present invention, the optics or image capture element for being to solve existing optical detection apparatus are to adopt fixation
Or unidirectional portable design, and cause the free degree of optical detection apparatus relatively low and do not have the problem of adjustment of elastification.
In order to achieve the above object, the present invention provides a kind of optical detection apparatus, a platform and a detection unit, the platform are included
With a test position placed for a thing to be detected, which includes a light source component, an image capture element and one
Moving mechanism, the light source component are set with respect to the test position, which moves relative to the test position, the movement
Mechanism connects with the image capture element and controls the image capture element to be moved relative to the test position along one first track, its
In, one first plane of motion which is formed meets at least a portion of a sphere to make the image capture element pass through
It is equal when crossing each point of first track with the distance between the test position.
As known from the above, the present invention is compared to the accessible effect of existing skill, since the optics of the present invention is examined
Survey device be using the image capture element in carrying out Multipoint movable on first plane of motion for meeting the sphere, it is and non-existing
It is to set up or moved only in a manner of moving horizontally in a position-stable manner, therefore a different testing conditions for the thing to be detected is carried out
During detection, still can precisely and rapidly adjust to the corresponding testing conditions, makes the optical detection apparatus of this case have height
The detection mode of the free degree.On the other hand, since the image capture element is next to meet first plane of motion of the sphere
It is mobile, therefore when the image capture element captures an image to be analyzed with different angle, do not influenced because of the change of operating position
The image capture element and the operating distance of the test position apart and the accuracy of detection, and then carry production product yield
It is high and production cost is greatly reduced.
Brief description of the drawings
Fig. 1, is the schematic side view of optical detection apparatus in one embodiment of the invention.
Fig. 2, is the schematic diagram of double leval jib ball-type moving mechanism in first embodiment of the invention.
Fig. 3, is the schematic diagram of double leval jib ball-type moving mechanism in second embodiment of the invention.
Fig. 4, is the schematic diagram of the move mode of image capture element in one embodiment of the invention.
Embodiment
It is related to detailed description of the invention and technology contents, now just coordinates schema to be described as follows：
It please arrange in pairs or groups as shown in fig.1, the schematic side view of the optical detection apparatus for one embodiment of the invention, the present invention are
A kind of optical detection apparatus, includes a platform 10 and a detection unit 20, which has one to supply a thing 11 to be detected
The test position of placement, the detection unit 20 include a light source component 201, an image capture element 202 and a moving mechanism.
In an embodiment, which fixes with respect to the test position, and the image capture element 202 is opposite should
Test position moves, which is connected with the image capture element 202 and controls the image capture element 202 with respect to the inspection
Location is put along one first track and is moved, and one first plane of motion 30 that wherein first track is formed meets a sphere at least
It is homogeneous with the distance between the test position when part is to make each point of the image capture element 202 process first track
Deng.
In another embodiment, the light source component 201 and the image capture element 202 are moved with respect to the test position respectively
Dynamic, which controls the light source component 201 and the image capture element 202 with respect to the test position respectively along one second rail
Mark and the movement of one first track, one first plane of motion 30 and one second that wherein first track and second track are formed
Plane of motion 31 corresponds with least a portion of a sphere, with make the light source component 201 by second track each point and
The distance between the test position is equal, and the image capture element 202 by first track each point when and the detection
The distance between position is equal.
In the present invention, the image capture element 202 and the light source component 201 are respectively with the test position at a distance of one first
Operating distance and one second operating distance, second operating distance and first operating distance can be respectively according to the light source components 201
The power and the image capture element 202 of the detection light source provided adjust a testing conditions of the thing 11 to be detected
It is whole, the testing conditions can for the image to be analyzed that the image capture element 202 is captured resolution, be intended to capture this it is to be detected
The field depth of thing 11, the field range or combinations thereof for being intended to capture the thing 11 to be detected.In addition, the image capture element 202
Species is photosensitive coupling element (Charge coupled device, an abbreviation CCD) video camera or a complementary metal-oxide
Semiconductor (Complementary metal oxide semiconductor, abbreviation CMOS) video camera.
As shown in Fig. 2, being the schematic diagram of double leval jib ball-type moving mechanism in first embodiment of the invention, which wraps
One first crankshaft-link rod 40, one second crankshaft-link rod 41 and a first surface plate 42 are included, which has one to consolidate
The second pivot 402 of the first surface plate 42 is connected to due to the first pivot 401 of the platform 10 and one, which connects
Bar 41 has the 3rd pivot 411 for being fixed on the platform 10 and one is connected to the 4th pivot 412 of the first surface plate 42,
The first surface plate 42 clamp the light source component 201 or the image capture element 202 and with second plane of motion 31 or this
One plane of motion 30 is pasted neat and moved, wherein the present embodiment be to clamp the image capture element 202 as citing, if need at the same time with
, can be by the light source component 201 and the image capture when light source component 201 or the image capture element 202 are moved in different tracks
Element 202 is held on the different moving mechanisms respectively.Length between first pivot 401 and second pivot 402 and
Length between 3rd pivot 411 and the 4th pivot 412 is fixed to one another, to make the first surface plate 42 in first movement
Arbitrary point carries out Multipoint movable centered on the test position in plane 30 or second plane of motion 31.
In the present invention, in order to lift the moving range of the light source component 201 and the image capture element 202, it can make
With a kind of moving mechanism of high-freedom degree, as shown in figure 3, showing for double leval jib ball-type moving mechanism in second embodiment of the invention
It is intended to, which includes a three-crankshaft connecting rod 43, one the 4th crankshaft-link rod 44 and one second curved slab 45, and the 3rd is bent
Axis connecting rod 43 has the 5th pivot 431 fixed and one is connected to the 6th pivot 432 of second curved slab 45, and the 4th
Crankshaft-link rod 44 has the 7th pivot 441 fixed and one is connected to the 8th pivot 442 of second curved slab 45, this
Two curved slabs 45 clamp the light source component 201 or the image capture element 202 and with second plane of motion 31 or this first move
Dynamic plane 30 is pasted neat and moved, and wherein the present embodiment is to clamp the image capture element 202 as citing, need to be further illustrated
It is that those above-mentioned pivots have two rotational structures, the object for being respectively arranged at the rotational structure is rotated each other, the above is only lifted
Exemplified by double leval jib ball-type moving mechanism, as long as enabling the light source component 201 or the image capture element 202 to be moved up in sphere track
Dynamic mechanism, is not limited with the citing of this case.
In practical application, when the thing 11 to be detected is positioned in the test position of the platform 10, first by the light source
The detection light source of element 201 is irradiated on the thing 11 to be detected, the detection light is come from a detection table of the thing 11 to be detected
Face reflect or penetrate, then by the image capture element 202 capture the thing 11 to be detected the detection surface the shadow to be analyzed
Picture, is then handled the image to be analyzed by an image capturing, image identification processing and a system determination processing to be to judge
Whether the thing 11 to be detected has flaw.When need are further to the different things 11 to be detected or in the single thing 11 to be detected
When diverse location is detected, it is only necessary to control the light source component 201 and the image capture element 202 respectively at second track and
Moved on first track.As shown in figure 4, by taking the image capture element 202 as an example, when the image capture element 202 is moved
Position after dynamic, can be that the image capture element 202a from a first position of first track is moved to first track
The image capture element 202b of one second place, this case is only by taking the image capture element 202 and 2 positions as an example, as long as making
The light source component 201 and the image capture element 202 are respectively at progress Multipoint movable on second track and first track
Can, it is not limited with the citing of this case.
In the present invention, the part of the sphere can be a hemisphere area based on the platform more than 10, as shown in Figure 1,
The one hemisphere area or complete sphere product based on the platform below 10, as shown in Figure 4.
In conclusion since the optical detection apparatus of the present invention is to utilize the light source component and the image capture element point
Not in carrying out Multipoint movable on second plane of motion and first plane of motion for meeting the sphere, and non-existing is with fixation
Mode sets up or is moved only in a manner of moving horizontally, therefore when different testing conditions to the thing to be detected are detected,
Still can precisely and rapidly adjust to the corresponding testing conditions, makes the optical detection apparatus of this case have high-freedom degree
Detection mode.On the other hand, since the light source component and the image capture element are flat to meet second movement of the sphere
Face and first plane of motion move, therefore when providing the detection light source with different angle and capturing the image to be analyzed, no
The accuracy of first operating distance, second operating distance and detection is influenced because of the change of operating position, and then makes life
Production product yield improves and production cost is greatly reduced.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Know those skilled in the art and make various corresponding changes and deformation in accordance with the present invention, but these change and become accordingly
Shape should all belong to the protection domain of appended claims of the invention.
Claims (8)
1. a kind of optical detection apparatus, it is characterised in that include：
One platform, has a test position placed for a thing to be detected；And
One detection unit, including a light source component set relative to the test position, an image moved relative to the test position
Capturing element and a moving mechanism being connected with the image capture element, the moving mechanism are to control the image capture element phase
The test position is moved along one first track；
Wherein, one first plane of motion which is formed meets at least a portion of a sphere to make the image capture
It is equal when element passes through each point of first track with the distance between the test position.
2. optical detection apparatus according to claim 1, it is characterised in that the moving mechanism connects including one first bent axle
Bar, one second crankshaft-link rod and a first surface plate, first crankshaft-link rod have one be fixed on the first pivot of the platform with
And second pivot for being connected to the first surface plate, second crankshaft-link rod have one be fixed on the 3rd pivot of the platform with
And the 4th pivot for being connected to the first surface plate, the first surface plate clamp the image capture element and with first movement
Plane patch is neat.
3. optical detection apparatus according to claim 1, it is characterised in that the light source component is moved with respect to the test position
It is dynamic, and the detection unit further comprises a moving mechanism being connected with the light source component, which is to control the light source
Element is moved relative to the test position along one second track, wherein, one second plane of motion which is formed meets
At least a portion of one sphere is with when making the light source component pass through each point of second track and the distance between the test position
It is equal.
4. optical detection apparatus according to claim 1, it is characterised in that the light source component is consolidated with respect to the test position
It is fixed.
5. the optical detection apparatus according to claim 1 or 3, it is characterised in that the part of the sphere is based on for one should
Hemisphere area more than platform.
6. the optical detection apparatus according to claim 1 or 3, it is characterised in that the part of the sphere is based on for one should
Hemisphere area below platform.
7. the optical detection apparatus according to claim 1 or 3, it is characterised in that the part of the sphere is a complete ball
Area.
8. optical detection apparatus according to claim 1, it is characterised in that the image capture element is a sense optical coupling element
Part video camera or a complementary metal oxide semiconductor video camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610953000.2A CN107991306A (en) | 2016-10-27 | 2016-10-27 | A kind of optical detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610953000.2A CN107991306A (en) | 2016-10-27 | 2016-10-27 | A kind of optical detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107991306A true CN107991306A (en) | 2018-05-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610953000.2A Pending CN107991306A (en) | 2016-10-27 | 2016-10-27 | A kind of optical detection apparatus |
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| CN (1) | CN107991306A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001013080A (en) * | 1999-06-29 | 2001-01-19 | Canon Inc | Method and apparatus for inspecting surface flaw of object |
| JP2009103462A (en) * | 2007-10-19 | 2009-05-14 | Nikon Corp | Observation apparatus |
| JP2013210203A (en) * | 2012-03-30 | 2013-10-10 | Nihon Yamamura Glass Co Ltd | Crack inspection device for glass bottle and crack inspection method using the same |
| CN204084051U (en) * | 2014-10-16 | 2015-01-07 | 厦门仟信德电子科技有限公司 | The light-source structure of visual quality checkout equipment |
| JP2015190835A (en) * | 2014-03-28 | 2015-11-02 | 大日本印刷株式会社 | Web inspection device and web inspection method |
-
2016
- 2016-10-27 CN CN201610953000.2A patent/CN107991306A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001013080A (en) * | 1999-06-29 | 2001-01-19 | Canon Inc | Method and apparatus for inspecting surface flaw of object |
| JP2009103462A (en) * | 2007-10-19 | 2009-05-14 | Nikon Corp | Observation apparatus |
| JP2013210203A (en) * | 2012-03-30 | 2013-10-10 | Nihon Yamamura Glass Co Ltd | Crack inspection device for glass bottle and crack inspection method using the same |
| JP2015190835A (en) * | 2014-03-28 | 2015-11-02 | 大日本印刷株式会社 | Web inspection device and web inspection method |
| CN204084051U (en) * | 2014-10-16 | 2015-01-07 | 厦门仟信德电子科技有限公司 | The light-source structure of visual quality checkout equipment |
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Application publication date: 20180504 |
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