CN206489095U - A kind of detecting system detected for glass surface defects - Google Patents
A kind of detecting system detected for glass surface defects Download PDFInfo
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- CN206489095U CN206489095U CN201720132621.4U CN201720132621U CN206489095U CN 206489095 U CN206489095 U CN 206489095U CN 201720132621 U CN201720132621 U CN 201720132621U CN 206489095 U CN206489095 U CN 206489095U
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- circuit board
- reflective sheeting
- led
- glass surface
- detecting system
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Abstract
The utility model discloses a kind of detecting system detected for glass surface defects, including camera, detection light source and heat abstractor；Camera is provided opposite to detection source parallel；It is provided with optical filter, optical filter to be provided with two regions, a region in front of the camera lens of camera and is provided with measurement grating；Detect that light source includes circuit board, optically focused rod, diffusion barrier and grating scale；Two LED gusts of row of different wave length are provided with circuit board, LED gusts are arranged side by side by some LED and constitute；Positioned at the centre and edge of two LED gusts of row, middle reflective sheeting and edge reflective sheeting are respectively arranged with circuit boards；Optically focused rod is provided with edge reflective sheeting and middle reflective sheeting；It is provided with two optically focused rods on diffusion barrier, a diffusion barrier and is provided with grating scale；Circuit board is placed on heat abstractor.The utility model can provide the illumination condition that uniformity is good, stability is good, brightness is high, reduce glass defect detection system and produce erroneous judgement and misdetection rate, improve the degree of accuracy of glass detection.
Description
Technical field
The utility model is related to a kind of detecting system detected for glass surface defects.
Background technology
At present, glass production automation more and more higher, differentiating the grade of identification glass by people merely can not meet
Need, glass surface defects detection device also turns into the important production equipment of each glass producer.Such as the patent No.
201410603633.1 a kind of disclosed glass surface defects on-line detecting system, including conveying are detected the conveying of glass sample
Band, the front end of the conveyer belt is provided with sensor, and the conveyer belt side is provided with some cameras, and the opposite side of the conveyer belt is set
There is light source, the light source is radiated on the glass sample of conveyer belt, and is reflexed on video camera, the video camera, sensor lead to
Data wire connecting detection device is crossed, the detector connects monitoring display device by data wire.But if accurately to detect
To the defect of glass surface, it is necessary to which an energy intensity height, uniformity is good, the illumination condition being easily controlled.And on the market
Light source has a many types, and LED/light source is undoubtedly wherein best suitable for industrialized product, but common LED/light source, its luminous flux
Not enough, illumination is also uneven, it is impossible to meet the photoenvironment of glass surface quality testing needs.Further, since glass defect kind
Analogy is more, and has segmental defect outward appearance similar, but property is different；A kind of light source illumination simultaneously there is provided information content ratio
It is less, glass defect detection system can be made to produce erroneous judgement and fail to judge, the degree of accuracy of glass detection is greatly affected, if carried more
For the duplicate light source illumination in another field, enough heterogeneous informations can not be also provided and carry out analysis and distinguishing defect.
Utility model content
The purpose of this utility model, which is that, overcomes the deficiencies in the prior art to collect luminous, control, radiating etc. there is provided one kind
Function is used for the detecting system that glass surface defects are detected, it can be provided uniformity is good, stability is good, brightness is high illumination bar
Part, the utility model considerably increases the information content of glass surface, and the optical information that can maximally utilise defect comes area
Divide the key elements such as its classification, grade, reduce glass defect detection system and produce erroneous judgement and misdetection rate, drastically increase glass inspection
The degree of accuracy of survey.
To achieve these goals, the utility model provides a kind of detecting system detected for glass surface defects,
Including camera, detection light source and heat abstractor；The camera is provided opposite to the detection source parallel；The camera lens of the camera
Front, which is provided with optical filter, the optical filter, is provided with two regions, wherein being provided with measurement grating on a region；The inspection
Light-metering source includes circuit board, optically focused rod, diffusion barrier and Grating Film；Two LED gusts of row of different wave length are provided with the circuit board,
Described LED gusts is arranged side by side by some LED and constitutes；Positioned at the centre and edge of two described LED gusts of row, on the circuit board
It is respectively arranged with middle reflective sheeting and edge reflective sheeting；Set on the edge reflective sheeting and middle reflective sheeting
State optically focused rod；The diffusion barrier is provided with described in two on optically focused rod, wherein being provided with the Grating Film described in one on diffusion barrier；
The circuit board is placed on the heat abstractor.
Further, the heat abstractor includes heat-dissipation aluminum sectional material, and the heat-dissipation aluminum sectional material surface is provided with hole one and hole
Two, the heat-dissipation aluminum sectional material is internally provided with the circulation waterway for connecting the hole one and hole two.
Further, the height sum of the LED, diffusion barrier and Grating Film is respectively less than the edge reflective sheeting and centre
The height of reflective sheeting；The medial surface of the edge reflective sheeting is with the upper plane of the circuit board in 80-102 ° of setting；It is described
The two sides of middle reflective sheeting are set both with respect to the upper plane of the circuit board in 80-102 °.
Further, the detecting system detected for glass surface defects also includes controller and server, described
Circuit board and camera are connected by cable with the controller, and the controller is connected by cable with the server
Connect.
Further, silicone grease is scribbled at the contact surface of the circuit board and heat-dissipation aluminum sectional material.
Further, the camera is linear array CCD camera.
Further, the optically focused rod is special-shaped lucite optically focused rod, the cross section semicircular in shape of the optically focused rod.
Further, two described LED gusts of row are symmetrical arranged along the circuit board center line both sides.
Further, the circuit board is Copper based electrical plate.
The beneficial effects of the utility model：
1st, the utility model is provided with two LED gusts of row of different wave length on circuit boards, and it is on middle reflective sheeting and side
In the presence of edge reflective sheeting, the light that two row LED paroxysms go out is blocked and toward the center deviation of optically focused rod, makes LED array light sources
Energy try one's best and be gathered on camera target surface, light energy, which is tried one's best, to be drawn high, while in the presence of optically focused rod and diffusion barrier so that
Uniform illumination, it is stable, so that the illumination uniformity that the utility model realizes glass surface detection is good, stability is good, brightness is high
Illumination condition.
2nd, Grating Film, and a region of camera optical filter are added in a LED battle array in two LED gusts of row of the present utility model
It is above corresponding to be provided with measurement grating so that this LED array light source is illuminated with measuring grating formation Moire fringe after Grating Film, with logical
Cross Moire fringe to differentiate glass defect, the optical information of defect can be maximally utilised to distinguish its classification, grade etc.
Key element, is surface defects detection system discovery defect, screens defect and provides huge help.
3rd, while the utility model is in the presence of controller, LED gusts of the row of control two separate bright, after LED gusts of a row are bright
Camera sweeps a line, and another row LED gusts of bright rear cameras sweep a line so that it is that normal exposure shines that glass to be measured has one in same position
Piece, also one increases the streak photograph of defect information by Moire fringe, and wherein normal exposure photo is used for finding defect, bar
Line photo will be used to moire detection judge true and false defect, to considerably increase the information content of glass surface, so as to greatly subtract
Lack glass defect detection system and produced erroneous judgement and misdetection rate, improve the degree of accuracy of glass detection.
4th, the utility model is under controller action, additionally it is possible to according to the scan frequency of camera, the thickness of glass to be measured, be
No plated film selects the brightness of LED array light sources, can provide an extraordinary illumination condition for glass surface detection.Control
Device energy random time controls the bright of two LED gusts of row or gone out, and two LED gusts of row are individually controllable, to realize the illumination being easily controlled
Condition.
5th, because highdensity LED paroxysms light can produce amount of heat, the utility model heat abstractor and circuit board are close
Silicone grease is scribbled at laminating, its heat abstractor and circuit board contacts face, is radiated with accentuator plate, it is ensured that circuit board and LED's
Stable operation and service life.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the present utility model for detecting light source.
Fig. 3 is that the utility model two arranges LED gusts of scheme of installations on circuit boards.
Fig. 4 is calculus defect of the present utility model without bar graph.
Fig. 5 is calculus defect bar graph of the present utility model.
Fig. 6 is air blister defect of the present utility model without bar graph.
Fig. 7 is air blister defect bar graph of the present utility model.
Above-mentioned reference：
A detects light source, 1LED gusts, 2 middle reflective sheetings, 3 circuit boards, 4 optically focused rods, 5 diffusion barriers, 6 Grating Films, 7 edges
Reflective sheeting, 8 heat-dissipation aluminum sectional materials, 9-1 holes one, 9-2 holes two, 10 cameras, 11 camera lenses, 12 optical filters, 13 glass to be measured, 14 controls
Device, 15 servers, 16 cables, 17 light one, 18 light two.
Embodiment
Utility model is further illustrated below in conjunction with the accompanying drawings, but is not limited to scope of the present utility model.
Embodiment
As Figure 1-3, a kind of detecting system detected for glass surface defects that the utility model is provided, including phase
Machine 10, detection light source A and heat abstractor；The camera 10 is parallel with the detection light source A to be provided opposite to；The mirror of the camera 10
First 11 front, which is provided with optical filter 12, the optical filter 12, is provided with two regions, wherein being provided with measurement light on a region
Grid；The detection light source A includes circuit board 3, optically focused rod 4, diffusion barrier 5 and Grating Film 6；Difference is provided with the circuit board 3
Two row LED battle arrays 1 of wavelength, the LED battle arrays 1 are arranged side by side by some LED to be constituted；Positioned at the centres of the two row LED battle arrays 1 and
Edge, is respectively arranged with middle reflective sheeting 2 and edge reflective sheeting 7 on the circuit board 3；The edge reflective sheeting 7
With the optically focused rod 4 is provided with middle reflective sheeting 2；The diffusion barrier 5 is provided with described in two on optically focused rod 4, wherein one
The Grating Film 6 is provided with the diffusion barrier 5；The circuit board 3 is placed on the heat abstractor.
As shown in figure 3, the row of the utility model two LED battle arrays 1 are with different wave length, wherein LED battle arrays 1 by some monochromatic LEDs simultaneously
Some LED in row's composition, each column are closely fixed on circuit board 3 side by side, and the two row LED battle arrays 1 are along along the circuit board 3
Heart line both sides are symmetrical arranged.
The heat abstractor of the present utility model includes heat-dissipation aluminum sectional material 8, and the surface of heat-dissipation aluminum sectional material 8 is provided with hole one
The 9-1 and 9-2 of hole two, the heat-dissipation aluminum sectional material 8 is internally provided with the circulation waterway for connecting the 9-1 of the hole one and 9-2 of hole two.
The LED of the present utility model, diffusion barrier 5 and Grating Film 6 height sum are respectively less than the edge reflective sheeting 7
With the height of middle reflective sheeting 2.In the presence of middle reflective sheeting 2 and edge reflective sheeting 7, two row LED battle arrays 1 are sent
Light block and toward the center deviation of optically focused rod 4, the energy of the light source of LED battle arrays 1 is tried one's best and be gathered on the target surface of camera 10, illumination
Energy, which is tried one's best, to be drawn high, while in the presence of optically focused rod 4 and diffusion barrier 6 so that uniform illumination, stable, while so that LED battle arrays 1
The light energy sent sweeps uniform on direction in the line of camera 10, so that the utility model realizes the uniform illumination of glass surface detection
The property illumination condition that good, stability is good, brightness is high.
The upper plane of the medial surface and the circuit board 3 of the edge reflective sheeting 7 of the present utility model is set in 80-102 °
Put；The two sides of the middle reflective sheeting 2 are set both with respect to the upper plane of the circuit board 3 in 80-102 °, and this is edge
The optimal setting angle of reflective sheeting 7, middle reflective sheeting 2 and circuit board 3, in this angular range, it is ensured that brightness is high, energy
The high illumination condition of amount so that it is most clear that camera 10 scans the picture that glass 13 to be measured obtains.When edge reflective sheeting 7, centre
The angle that reflective sheeting 2 and circuit board 3 are set not in this range when, illumination brightness and the equal step-down of energy, obtained picture
It is unintelligible, so as to can not clearly differentiate the defect of glass 13 to be measured.
The detecting system of the present utility model detected for glass surface defects also includes controller 14 and server 15, institute
State circuit board 3 and camera 10 by cable 16 with the controller 14 to be connected, the controller 14 passes through cable 16 and institute
Server 15 is stated to be connected.The energy random time of controller 14 control two arranges the bright of LED battle arrays 1 or gone out, and two row LED battle arrays 1 individually may be used
Control, and can also according to the scan frequency of camera 10, the thickness of glass to be measured 13, whether plated film selects the bright of the light source of LED battle arrays 1
Degree, so that an extraordinary illumination condition can be provided for glass surface detection.
Set in a LED battle array 1 in two row LED battle arrays 1 of the present utility model plus on Grating Film 6, and the optical filter 12 of camera 10
It is equipped with two regions, one of region and is provided with measurement grating, another region does not measure grating.As shown in figure 1, filtering
The region of piece 12 1 passes through the light 1 of the LED battle arrays 1 on the left side, and this light source of LED battle arrays 1 is illuminated after Grating Film 6 with measuring grating shape
The light 2 18 for the LED battle arrays 1 for passing through the right into Moire fringe, another region.The row LED of the utility model two battle arrays 1 generate two
The effect of individual different light sources, distinguishes the key elements such as its classification, grade can maximally utilise the optical information of defect, is table
Planar defect detecting system finds defect, screens defect and provides huge help.
The utility model is in use, glass to be measured 13 is between camera 10 and detection light source A (as shown in Figure 1), in control
In the presence of device 14 processed, control two arranges LED battle arrays 1 and separates bright, and a line, another row LED battle arrays 1 are swept in the bright rear camera 10 of a row LED battle arrays 1
Bright rear camera 10 sweeps a line so that it is normal exposure photo that glass 13 to be measured has one in same position, and also one by not
Your striped increases the streak photograph of defect information, and wherein normal exposure photo is used for finding defect, and streak photograph will be used for moire
Detect to judge true and false defect (as shown in figs. 4-7), to considerably increase the information content on the surface of glass 13 to be measured, so that greatly
Reduce glass defect detection system and produce erroneous judgement and misdetection rate, improve the degree of accuracy of glass detection.
Controller 14 of the present utility model control two arranges that LED battle arrays 1 are synchronous with camera 10 and the function such as data transfer, together
When data are directly transmitted to server 15.
The circuit board 3 of the present utility model at the contact surface of heat-dissipation aluminum sectional material 8 with scribbling silicone grease.Due to highdensity two
Row LED battle arrays 1 are luminous to produce amount of heat, and the utility model heat abstractor is brought into close contact with circuit board 3, and its silicone grease strengthens electricity
The radiating of road plate 3, it is ensured that circuit board 3 and LED stable operation and service life.Circulating water is flowed into from the 9-1 of hole one, through dissipating
The circulation waterway of hot aluminium section bar 8 is simultaneously drawn after two heats for arranging the luminous generation of LED battle arrays 1 from the 9-2 of hole two outflows；Or circulating water
From the 9-2 of hole two water inlets, from the 9- of hole one after the circulation waterway through heat-dissipation aluminum sectional material 8 and the luminous heats produced of the row LED of absorption two battle arrays 1
1 outflow, to realize that Water-cooling circulating radiates.
Preferably, the camera 10 is linear array CCD camera to the utility model.Line array CCD obtains the scheme of image following
Several respects have its distinctive advantage：1st, line array CCD adds sweep mechanism and position feedback loop section, and its cost is still significantly less than together
The area array CCD of homalographic, equal resolution ratio；2nd, the coordinate of scan line is provided by grating, the indicating accuracy of high-precision grating scale
The accuracy of manufacture of area array CCD pixel spacing can be higher than, in this sense, the image that line array CCD is obtained is in a scanning direction
Precision can be higher than Array CCD；3rd, the splicing of newest line array CCD sub-pixed mapping can be by the pixel of two CCD chips
1/2 pixel of mutual dislocation is allowed to optical method on the spread length direction of linear array, equivalent to by second CCD institute
There is pixel to be sequentially inserted into first CCD pixel gap, indirect " reduction " line array CCD pixel dimension improves CCD resolution
Rate, alleviates due to being difficult the problem for reducing CCD pixel dimensions by technique and Effect of Materials, specific surface battle array can be obtained in theory
Resolution ratio and precision higher CCD.
Preferably, the optically focused rod 4 is special-shaped lucite optically focused rod, the cross section of the optically focused rod 4 to the utility model
Semicircular in shape, as shown in Fig. 2 the semicircle face of optically focused rod 4 is relative with LED battle arrays 1.
Preferably, the circuit board 3 is Copper based electrical plate to the utility model.Copper based electrical plate uses inverse-excitation type current constant control
Circuit, by the pwm signal of external control circuit plate, reaches control LED luminance.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, the utility model can also on the premise of the utility model spirit and scope are not departed from
There are various changes and modifications, these changes and improvements are both fallen within the range of claimed the utility model.The utility model will
Protection domain is asked to be defined by appended claims and its equivalent.
Claims (9)
1. a kind of detecting system detected for glass surface defects, it is characterised in that：Including camera, detection light source and radiating dress
Put；The camera is provided opposite to the detection source parallel；Optical filter, the optical filtering are provided with front of the camera lens of the camera
Two regions are provided with piece, wherein being provided with measurement grating on a region；It is described detection light source include circuit board, optically focused rod,
Diffusion barrier and Grating Film；Two LED gusts of row of different wave length are provided with the circuit board, described LED gusts is set side by side by some LED
Put composition；Positioned at two described LED gust of centres and edge of row, be respectively arranged with the circuit board middle reflective sheeting with
Edge reflective sheeting；The optically focused rod is provided with the edge reflective sheeting and middle reflective sheeting；Described in two on optically focused rod
The diffusion barrier is provided with, wherein being provided with the Grating Film described in one on diffusion barrier；The circuit board is placed in the radiating
On device.
2. a kind of detecting system detected for glass surface defects according to claim 1, it is characterised in that described to dissipate
Thermal includes heat-dissipation aluminum sectional material, and the heat-dissipation aluminum sectional material surface is provided with inside hole one and hole two, the heat-dissipation aluminum sectional material and set
It is equipped with the circulation waterway for connecting the hole one and hole two.
3. a kind of detecting system detected for glass surface defects according to claim 1, it is characterised in that described
LED, diffusion barrier and Grating Film height sum are respectively less than the height of the edge reflective sheeting and middle reflective sheeting；The side
The upper plane of the medial surface of edge reflective sheeting and the circuit board is set in 80-102 °；The two sides of the middle reflective sheeting
Upper plane both with respect to the circuit board is set in 80-102 °.
4. a kind of detecting system detected for glass surface defects according to claim 1, it is characterised in that the use
In glass surface defects detect detecting system also include controller and server, the circuit board and camera by cable with
The controller is connected, and the controller is connected by cable with the server.
5. a kind of detecting system detected for glass surface defects according to claim 2, it is characterised in that the electricity
Silicone grease is scribbled at the contact surface of road plate and heat-dissipation aluminum sectional material.
6. a kind of detecting system detected for glass surface defects according to claim 1, it is characterised in that the phase
Machine is linear array CCD camera.
7. a kind of detecting system detected for glass surface defects according to claim 1, it is characterised in that described poly-
Optical wand is special-shaped lucite optically focused rod, the cross section semicircular in shape of the optically focused rod.
8. a kind of detecting system detected for glass surface defects according to claim 1, it is characterised in that two row institutes
LED times are stated to be symmetrical arranged along the circuit board center line both sides.
9. a kind of detecting system detected for glass surface defects according to claim 1, it is characterised in that the electricity
Road plate is Copper based electrical plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132621.4U CN206489095U (en) | 2017-02-14 | 2017-02-14 | A kind of detecting system detected for glass surface defects |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132621.4U CN206489095U (en) | 2017-02-14 | 2017-02-14 | A kind of detecting system detected for glass surface defects |
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| Publication Number | Publication Date |
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| CN206489095U true CN206489095U (en) | 2017-09-12 |
Family
ID=59764850
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| CN201720132621.4U Active CN206489095U (en) | 2017-02-14 | 2017-02-14 | A kind of detecting system detected for glass surface defects |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064174A (en) * | 2017-02-14 | 2017-08-18 | 长沙麦斯森信息科技有限公司 | A kind of detecting system detected for glass surface defects |
| CN109557109A (en) * | 2018-12-29 | 2019-04-02 | 中国肉类食品综合研究中心 | Freeze the detection method and device of meat packed state |
| CN109959664A (en) * | 2019-04-10 | 2019-07-02 | 长春禹衡光学有限公司 | Contamination detection method, device and the readable storage medium storing program for executing of absolute grating ruler |
-
2017
- 2017-02-14 CN CN201720132621.4U patent/CN206489095U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064174A (en) * | 2017-02-14 | 2017-08-18 | 长沙麦斯森信息科技有限公司 | A kind of detecting system detected for glass surface defects |
| CN109557109A (en) * | 2018-12-29 | 2019-04-02 | 中国肉类食品综合研究中心 | Freeze the detection method and device of meat packed state |
| CN109557109B (en) * | 2018-12-29 | 2021-07-30 | 中国肉类食品综合研究中心 | Method and device for detecting packaging state of frozen meat |
| CN109959664A (en) * | 2019-04-10 | 2019-07-02 | 长春禹衡光学有限公司 | Contamination detection method, device and the readable storage medium storing program for executing of absolute grating ruler |
| CN109959664B (en) * | 2019-04-10 | 2021-12-28 | 长春禹衡光学有限公司 | Pollution detection method and device of absolute grating ruler and readable storage medium |
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