CN207163931U - Glass defect detection device - Google Patents
Glass defect detection device Download PDFInfo
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- CN207163931U CN207163931U CN201721263407.9U CN201721263407U CN207163931U CN 207163931 U CN207163931 U CN 207163931U CN 201721263407 U CN201721263407 U CN 201721263407U CN 207163931 U CN207163931 U CN 207163931U
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Abstract
A kind of this disclosure relates to glass defect detection device.The device includes：Light source, it is arranged in light source cabinet, wherein, light source cabinet is located at the lower section of glass to be detected, also, the upper surface of light source cabinet offers slit, and slit is oppositely arranged with glass to be detected；Transmission grating, it is arranged between light source cabinet and glass to be detected；Image collecting device, the top of glass to be detected is arranged at, after the light launched for gathering light source by slit passes through transmission grating, in the image information for the moire that the surface of glass to be detected is formed；Processing unit, be connected with image collecting device, the image information of the moire arrived for receiving image acquisition device, and according to the image information of moire, the defects of determining glass to be detected information.Thus, effectively light source can be avoided to be contaminated by dust, so as to ensure the intensity of illumination of glass defect detection, and then improves the precision of glass defect detection.
Description
Technical field
This disclosure relates to field of glass production technology, in particular it relates to a kind of glass defect detection device.
Background technology
At present, after the completion of glass manufacture, it usually needs glass defect is detected.At this stage, in the inspection of glass defect
During survey, for glass defect detection provide illumination light source mostly it is exposed outside, so, light source is highly susceptible to pollute, and makes
Into intensity of illumination deficiency so that the precision of glass defect detection is affected.
Utility model content
In order to solve problem present in correlation technique, the disclosure provides a kind of glass defect detection device.
To achieve these goals, the disclosure provides a kind of glass defect detection device, including：
Light source, it is arranged in light source cabinet, wherein, the light source cabinet is located at the lower section of glass to be detected, also, the light source
The upper surface of cabinet offers slit, and the slit is oppositely arranged with the glass to be detected；
Transmission grating, it is arranged between the light source cabinet and the glass to be detected；
Image collecting device, the top of the glass to be detected is arranged at, passes through the slit for gathering the light source
After the light launched passes through the transmission grating, in the image information for the moire that the surface of the glass to be detected is formed；
Processing unit, it is connected with described image harvester, for receiving described in described image harvester collects
The image information of moire, and according to the image information of the moire, the defects of determining the glass to be detected information.
Alternatively, described image harvester includes more high speed linear array video cameras, and the more high speed linear arrays are taken the photograph
Camera is fixed on the inwall of camera box, wherein, the camera box is arranged at the top of the glass to be detected.
Alternatively, described device also includes：
Refrigeration machine, the neighbouring camera box is set, for cooling down the more high speed linear array video cameras.
Alternatively, the slit is sealed by high light transmittance ratio glass.
Alternatively, described device also includes：
Display unit, it is connected with the processing unit, for showing the defect information.
Alternatively, whether the defect information deposits defect and corresponding defective locations information including the glass to be detected.
Alternatively, described device also includes：
Alarm device；
The processing unit, it is connected with the alarm device, for it is determined that during the glass existing defects to be detected, to
The alarm device sends alarm information, to be alerted by the alarm device.
Alternatively, the processing unit is additionally operable to it is determined that during the glass existing defects to be detected, by the defective bit
Confidence breath is sent to the terminal device to be communicated with the processing unit.
Alternatively, the light source is light emitting diode.
The technical scheme provided by this disclosed embodiment can include the following benefits：Processing unit can be according to collection
To the light launched by the slit above light source cabinet of light source pass through transmission grating after, formed on the surface of glass to be detected
The image information of moire, the defects of determining glass to be detected information.Because light source is arranged on the light that upper surface offers slit
In the cabinet of source, so, it is possible to prevente effectively from light source is contaminated by dust, so as to ensure that the intensity of illumination of glass defect detection, and then
Improve the precision of glass defect detection.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is used to explain the disclosure together, but does not form the limitation to the disclosure.In the accompanying drawings：
Fig. 1 is a kind of block diagram of glass defect detection device according to an exemplary embodiment.
Fig. 2 is a kind of block diagram of glass defect detection device according to another exemplary embodiment.
Fig. 3 is a kind of block diagram of glass defect detection device according to another exemplary embodiment.
Fig. 4 is a kind of block diagram of glass defect detection device according to another exemplary embodiment.
Description of reference numerals
The light source cabinet of 1 light source 2
3 transmission gratings of glass 4 to be detected
The processing unit of 5 image collecting device 6
The refrigeration machine of 7 camera box 8
The alarm device of 9 display unit 10
21 slits
Embodiment
The embodiment of the disclosure is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
Fig. 1 is a kind of block diagram of glass defect detection device according to an exemplary embodiment.As shown in figure 1, should
Glass defect detection device can include light source 1, transmission grating 4, image collecting device 5 and processing unit 6.
In order to avoid light source is contaminated by dust, as shown in figure 1, light source 1 can be arranged in light source cabinet 2, wherein, should
Light source cabinet 2 is located at the lower section of glass 3 to be detected, also, the upper surface of the light source cabinet 2 offers slit 21, and the slit 21 is with treating
Detection glass 3 is oppositely arranged, and so, the light that light source 1 is launched can pass through the slit 21.Illustratively, the light source 1 can be luminous
The light fixtures such as diode.
In addition, in order to avoid dust is polluted by above-mentioned slit into light source cabinet to light source, above-mentioned slit 21 can be with
Sealed by high light transmittance ratio glass.
Transmission grating 4, it is arranged between above-mentioned light source cabinet 2 and glass to be detected 3, and close to the following table of glass 3 to be detected
Face.After the light that light source 1 is launched by slit 21 passes through the transmission grating 4, it can be formed on the surface of glass 3 to be detected in remaining
The moire of string distribution.
Image collecting device 5, the top of above-mentioned glass to be detected 3 is arranged at, can be used for the image for gathering above-mentioned moire
Information, and the image information of the moire is sent to processing unit 6.
In order to lift the precision of the image information collecting of moire, as shown in Fig. 2 the image collecting device 5 can include it is more
Platform (6 as shown in Figure 2) high speed linear array video camera, the more high speed linear array video cameras are fixed on the interior of camera box 7
On wall (wherein, the camera box 7 is arranged at the top of glass 3 to be detected), they go through the transparent lower surface of camera box 7
Gather the image information of above-mentioned moire.Wherein, the quantity of high speed linear array video camera is by the width of glass 3 to be detected and the high speed
The accuracy of detection of line array video camera determines.
In addition, in order to ensure the optimum working temperature of each high speed linear array video camera in camera box 7, as shown in Fig. 2 on
Refrigeration machine 8 can also be included by stating device.Wherein, the refrigeration machine 8 can be set adjacent to above-mentioned camera box 7, above-mentioned for cooling down
More high speed linear array video cameras.
Processing unit 6, it is connected with above-mentioned image collecting device 5, can be used for receiving what the image collecting device 5 collected
The image information of moire, and according to the image information of the moire, the defects of determining glass 3 to be detected information.
In the disclosure, whether the defect information can deposit defect and corresponding defective bit confidence including glass 3 to be detected
Breath.Processing unit 6 can obtain binaryzation according to the image information of the moire and lack after the image information of above-mentioned moire is received
Image is fallen into, to realize the accurate detection of glass defect.Wherein, when in above-mentioned binaryzation defect image contain pixel value be 1 picture
During vegetarian refreshments, it may be determined that the existing defects of glass 3 to be detected, also, pixel value is that the location of 1 pixel is defective bit
Put；When not containing the pixel that pixel value is 1 in above-mentioned binaryzation defect image, i.e. all pictures in binaryzation defect image
The pixel value of vegetarian refreshments is 0, it may be determined that defect is not present in glass 3 to be detected.
In addition, technological means is existing skill used by the above-mentioned image information according to moire obtains binaryzation defect image
Art, repeat no more here.
The technical scheme provided by this disclosed embodiment can include the following benefits：Processing unit can be according to collection
To the light launched by the slit above light source cabinet of light source pass through transmission grating after, formed on the surface of glass to be detected
The image information of moire, the defects of determining glass to be detected information.Because light source is arranged on the light that upper surface offers slit
In the cabinet of source, so, it is possible to prevente effectively from light source is contaminated by dust, so as to ensure that the intensity of illumination of glass defect detection, and then
Improve the precision of glass defect detection.
Fig. 3 is a kind of block diagram of glass defect detection device according to another exemplary embodiment.As shown in figure 3,
Said apparatus can also include：Display unit 9, it is connected with above-mentioned processing unit 6, is displayed for above-mentioned glass to be detected 3
The defects of information.So, can cause staff is more directly perceived, be clearly understood that glass to be detected with the presence or absence of defect,
And the information such as particular location of defect in glass existing defects to be detected.
In one embodiment, display unit 9 can be indicator lamp, and so, above-mentioned glass defect detection device can be with
Indicate that glass 3 to be detected whether there is defect using the glow color of indicator lamp.For example, work as the existing defects of glass 3 to be detected
When, the glow color of indicator lamp is red, and when defect is not present in survey glass 3 to be detected, the glow color of indicator lamp is green.
In another embodiment, display unit 9 can be display screen, and so, above-mentioned glass defect detection device can
The defects of to directly display glass 3 to be detected on a display screen information.
Fig. 4 is a kind of block diagram of glass defect detection device according to another exemplary embodiment.As shown in figure 4,
Said apparatus can also include alarm device 10, wherein, the alarm device 10 can be flashed by indicator lamp, voice reminder, aobvious
Show the modes such as warning information to be alerted.Above-mentioned processing unit 6, it is connected, can be used for it is determined that treating with the alarm device 10
When detecting 3 existing defects of glass, alarm information is sent to the alarm device 10, to be alerted by the alarm device 10, this
Sample, the defects of being easy to staff to know glass to be detected situation.
In addition, above-mentioned processing unit 6 can be also used for, it is determined that during 3 existing defects of glass to be detected, treating what is determined
The defects of detecting glass 3 positional information is sent to the terminal device to be communicated with the processing unit 6 (for example, smart mobile phone, personal electricity
Brain, Intelligent worn device etc.), so, staff is situation the defects of would know that glass to be detected by the terminal device.
On the device in above-described embodiment, wherein modules perform the concrete mode of operation in relevant this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical scheme of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.
Claims (9)
- A kind of 1. glass defect detection device, it is characterised in that including：Light source (1), it is arranged in light source cabinet (2), wherein, the light source cabinet (2) is located at the lower section of glass to be detected (3), also, The upper surface of the light source cabinet (2) offers slit (21), and the slit (21) is oppositely arranged with the glass (3) to be detected；Transmission grating (4), it is arranged between the light source cabinet (2) and the glass to be detected (3)；Image collecting device (5), the top of the glass to be detected (3) is arranged at, for gathering the light source (1) by described After the light that slit (21) is launched passes through the transmission grating (4), in the moire that the surface of the glass (3) to be detected is formed Image information；Processing unit (6), it is connected with described image harvester (5), collects for receiving described image harvester (5) The image information of the moire, and according to the image information of the moire, the defects of determining glass to be detected (3) information.
- 2. device according to claim 1, it is characterised in that described image harvester (5) includes more high speed linear arrays Video camera, and the more high speed linear array video cameras are fixed on the inwall of camera box (7), wherein, the video camera Case (7) is arranged at the top of the glass to be detected (3).
- 3. device according to claim 2, it is characterised in that described device also includes：Refrigeration machine (8), the neighbouring camera box (7) is set, for cooling down the more high speed linear array video cameras.
- 4. device according to claim 1, it is characterised in that the slit (21) is sealed by high light transmittance ratio glass.
- 5. according to the device any one of claim 1-4, it is characterised in that described device also includes：Display unit (9), it is connected with the processing unit (6), for showing the defect information.
- 6. according to the device any one of claim 1-4, it is characterised in that the defect information includes described to be detected Whether glass (3) deposits defect and corresponding defective locations information.
- 7. device according to claim 6, it is characterised in that described device also includes：Alarm device (10)；The processing unit (6), is connected with the alarm device (10), for it is determined that the glass to be detected (3) exist it is scarce When falling into, alarm information is sent to the alarm device (10), to be alerted by the alarm device (10).
- 8. device according to claim 6, it is characterised in that the processing unit (6) is additionally operable to it is determined that described to be checked When surveying glass (3) existing defects, the defective locations information is sent to the terminal device to be communicated with the processing unit (6).
- 9. device according to claim 1, it is characterised in that the light source (1) is light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721263407.9U CN207163931U (en) | 2017-09-28 | 2017-09-28 | Glass defect detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721263407.9U CN207163931U (en) | 2017-09-28 | 2017-09-28 | Glass defect detection device |
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| Publication Number | Publication Date |
|---|---|
| CN207163931U true CN207163931U (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721263407.9U Active CN207163931U (en) | 2017-09-28 | 2017-09-28 | Glass defect detection device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469442A (en) * | 2018-05-16 | 2018-08-31 | 浙江西溪玻璃有限公司 | A kind of glass detection device |
| CN108872375A (en) * | 2018-05-08 | 2018-11-23 | 北京盈和瑞环境科技股份有限公司 | The detection method and device of board with enamel panel layer surface defect point |
| 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 |
| CN112630153A (en) * | 2020-12-21 | 2021-04-09 | 广州辰创科技发展有限公司 | Method, equipment and storage medium for detecting defects of lens cover glass |
| CN113189002A (en) * | 2021-03-31 | 2021-07-30 | 彩虹显示器件股份有限公司 | Online detection method and device for stripe defects of ultrathin electronic glass substrate |
| CN118311047A (en) * | 2024-04-24 | 2024-07-09 | 沙洋弘润建材有限公司 | Visual on-line detection device for wide-width automobile glass |
-
2017
- 2017-09-28 CN CN201721263407.9U patent/CN207163931U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872375A (en) * | 2018-05-08 | 2018-11-23 | 北京盈和瑞环境科技股份有限公司 | The detection method and device of board with enamel panel layer surface defect point |
| CN108469442A (en) * | 2018-05-16 | 2018-08-31 | 浙江西溪玻璃有限公司 | A kind of glass detection device |
| 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 |
| CN112630153A (en) * | 2020-12-21 | 2021-04-09 | 广州辰创科技发展有限公司 | Method, equipment and storage medium for detecting defects of lens cover glass |
| CN113189002A (en) * | 2021-03-31 | 2021-07-30 | 彩虹显示器件股份有限公司 | Online detection method and device for stripe defects of ultrathin electronic glass substrate |
| CN118311047A (en) * | 2024-04-24 | 2024-07-09 | 沙洋弘润建材有限公司 | Visual on-line detection device for wide-width automobile glass |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: LCD (Liquid Crystal Display) glass defect detection device and LCD (Liquid Crystal Display) glass defect detection method Effective date of registration: 20200710 Granted publication date: 20180330 Pledgee: Beijing State Owned Financial Leasing Co., Ltd Pledgor: WUHU DONGXU OPTOELECTRONIC EQUIPMENT TECHNOLOGY Co.,Ltd. Registration number: Y2020990000735 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |