CN203259481U - Glass substrate detecting device - Google Patents
Glass substrate detecting device Download PDFInfo
- Publication number
- CN203259481U CN203259481U CN 201320214123 CN201320214123U CN203259481U CN 203259481 U CN203259481 U CN 203259481U CN 201320214123 CN201320214123 CN 201320214123 CN 201320214123 U CN201320214123 U CN 201320214123U CN 203259481 U CN203259481 U CN 203259481U
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- glass substrate
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- 239000011521 glass Substances 0.000 title claims abstract description 148
- 239000000758 substrate Substances 0.000 title claims abstract description 148
- 238000001514 detection method Methods 0.000 claims abstract description 66
- 230000007547 defect Effects 0.000 claims abstract description 15
- 230000003287 optical effect Effects 0.000 claims description 75
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 102100026205 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 Human genes 0.000 description 7
- 101000691599 Homo sapiens 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 Proteins 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 238000010191 image analysis Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The utility model discloses a glass substrate detecting device. The glass substrate detecting device comprises an optic judgment device and a photo sensor with a line light source, wherein the photo sensor is arranged on the position where a glass substrate can be irradiated, the photo sensor is used for receiving the rays which are injected into the photo sensor due to the effect of the glass substrate after the rays are emitted; the optic judgment device is used for finishing the defect detection of the glass substrate according to the rays received by the photo sensor. The glass substrate detecting device provided by the utility model carries out defect detection on the glass substrate by utilizing the photo sensor and the optic judgment device, so that the detection for the glass substrate is expanded to the surface detection from the line detection of the prior art, and the full size detection of the glass substrate is realized.
Description
Technical Field
The utility model relates to the field of machinary, concretely relates to glass substrate detection device.
Background
The glass substrate is easy to break in the process of being conveyed on a production line, and the currently known glass substrate breakage detection technology only supports the edge detection of the glass substrate, and mainly comprises the following two types:
1. image analysis type: in the glass substrate conveying process, the glass substrates are continuously photographed, and after photographing, image analysis is carried out, so that whether the edges of the glass substrates are defective or not can be judged.
2. Optical fiber sensor detection type: a reflection type optical fiber sensor is installed on each side of the device, and light emitted from the glass substrate is received in the transmission process of the glass substrate, so that whether defects exist on two straight lines in the glass substrate or not is detected.
The glass substrate breakage detection technology has the following problems:
1. when the cleanliness of the glass substrate is low, the image analysis type glass substrate damage detection technology is easy to generate false detection;
2. the detection mode of the optical fiber sensor detection type glass substrate breakage detection technology is line detection, the detection range is limited, and the glass substrate cannot be comprehensively detected.
SUMMERY OF THE UTILITY MODEL
In view of this, the main objective of the present invention is to provide a glass substrate detection apparatus to realize full-scale detection of a glass substrate.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a glass substrate detection device comprises an optical judgment device and an optical sensor with a linear light source; wherein,
the optical sensor is arranged at a position capable of irradiating the glass substrate and is used for receiving light rays which are emitted into the optical sensor under the action of the glass substrate after the light rays are emitted;
the optical judgment device is used for completing the defect detection of the glass substrate according to the light received by the optical sensor.
The light-emitting area of the light sensor is the same as the length or the width of the glass substrate, or between the length and the width of the glass substrate, or smaller than the width of the glass substrate.
When the light-emitting area of the optical sensor is the same as the width of the glass substrate, the optical sensor is arranged in the direction parallel to the short edge of the glass substrate; by moving the glass substrate and/or the optical sensor in the length direction of the glass substrate, light emitted from the linear light source of the optical sensor is irradiated to the entire glass substrate.
When the length of the light-emitting domain of the optical sensor is the same as that of the glass substrate, the optical sensor is arranged in the direction parallel to the long edge of the glass substrate; by moving the glass substrate and/or the optical sensor in the width direction of the glass substrate, light emitted from the linear light source of the optical sensor is irradiated to the entire glass substrate.
The optical sensor comprises an emitting end for emitting light and a receiving end for receiving light; the transmitting end and the receiving end of the optical sensor are arranged in a combined or separated mode; when the transmitting end and the receiving end of the optical sensor are separately arranged, the transmitting end and the receiving end are both positioned on one side of the glass substrate.
A reflective mirror is further provided at the other side of the glass substrate to reflect light passing through the glass substrate and irradiated onto the reflective mirror.
The optical sensor comprises an emitting end for emitting light and a receiving end for receiving light; the transmitting end and the receiving end of the optical sensor are respectively arranged on two sides of the glass substrate.
The apparatus is disposed at any location of the apparatus related to glass substrate processing.
The optical decision device is a programmable logic controller.
The light sensor is a laser sensor.
The utility model discloses utilize light sensor such as regional type sensor and optics judgement device to carry out defect detection to glass substrate to detect glass substrate and extend the face by prior art's line detection and detect, realize the full-scale detection to glass substrate.
Drawings
Fig. 1 is a schematic view of a glass substrate detection principle according to a first embodiment of the present invention;
fig. 2 is a schematic view of a glass substrate detection principle according to a second embodiment of the present invention;
fig. 3 is a schematic view of the glass substrate detection principle of the third embodiment of the present invention;
description of reference numerals:
1. a Programmable Logic Controller (PLC); 2. a light sensor; 3. a connecting wire; 4. a glass substrate; 5. a reflective mirror; 6. a light sensor emitting end; 7. and a light sensor receiving end.
Detailed Description
In general, the optical sensor such as a zone sensor and the like and the optical judgment device can be used for detecting the defect of the glass substrate, so that the detection of the glass substrate is expanded from the line detection in the prior art to the surface detection, and the full-size detection of the glass substrate is realized.
The area type sensor may be a sensor having a linear light source such as a digital photo sensor. The line light source can emit laser or common light, and the like, and can be specifically infrared rays, ultraviolet rays and the like. Because the transmittance of ultraviolet rays to the glass substrate is low, the accuracy of defect detection of the glass substrate by applying the ultraviolet rays is relatively high.
An embodiment of the utility model provides a glass substrate detection device, the device include optical decision device, still including the light sensor who has the line source.
In practical applications, the optical decision device is connected to a light sensor having a linear light source, and the light sensor is disposed at a position where it can irradiate the glass substrate. After the light sensor emits light, the light sensor receives the light which is emitted into the light sensor due to the action of the glass substrate, and the optical judgment device completes the defect detection of the glass substrate according to the light received by the light sensor, such as: and completing the defect detection of the glass substrate according to the received light quantity value of the light.
Specifically, the optical decision device is a Programmable Logic Controller (PLC), the PLC may be connected to the optical sensor through a connection line such as an optical fiber, and the PLC may perform corresponding setting in combination with the transfer speed and the transfer time of the glass substrate, so as to ensure that full-scale detection of the glass substrate is achieved.
It should be noted that the light-emitting area of the light sensor (i.e. the length of the line segment having the line light source) may be the same as the length or width of the glass substrate, or between the length and width of the glass substrate, or even smaller than the width of the glass substrate. In different cases, the following corresponding modes can be applied for detection:
the first mode is that when the length of the line light source of the optical sensor is the same as the width of the glass substrate, the optical sensor can be arranged in the direction parallel to the short side of the glass substrate, and the light emitted by the line light source of the optical sensor can be irradiated to the whole glass substrate by moving the glass substrate and/or the optical sensor in the length direction of the glass substrate, so that the full-size detection of the glass substrate is realized.
And secondly, when the length of the line light source of the optical sensor is the same as that of the glass substrate, the optical sensor can be arranged in the direction parallel to the long edge of the glass substrate, and the light emitted by the line light source of the optical sensor can be irradiated to the whole glass substrate by moving the glass substrate and/or the optical sensor in the width direction of the glass substrate, so that the full-size detection of the glass substrate is realized.
When the length of the line segment of the line light source of the optical sensor is between the length and the width of the glass substrate, the detection can be carried out by applying the first mode; or, the second mode is used for detection, and only the glass substrate and/or the optical sensor need to be moved during detection, so that light emitted by the linear light source of the optical sensor is irradiated to the whole glass substrate, and full-size detection of the glass substrate is realized.
And in a fourth mode, when the length of the line segment of the line light source of the optical sensor is smaller than the width of the glass substrate, the detection can be carried out by applying the first mode or the second mode, and only the glass substrate and/or the optical sensor need to be moved during the detection, so that the line light source emitted by the optical sensor irradiates the whole glass substrate, and the full-size detection of the glass substrate is realized.
Further, the light sensor is a laser sensor. Specifically, an infrared reflection type laser sensor, an infrared transmission type laser sensor, an ultraviolet transmission type laser sensor, and the like are available.
The present invention will be described in detail with reference to fig. 1 to 3 and the embodiments, wherein the dotted line indicates the direction of light. In the following embodiment, it is assumed that the photosensor has a line length of the line light source which is the same as the width of the glass substrate, and therefore the photosensor is disposed in a direction parallel to the short side of the glass substrate.
Referring to fig. 1, in fig. 1, a PLC1 is connected to a light sensor 2 having a linear light source through a connection line 3, and the light sensor 2 is disposed on one side (e.g., above) of a glass substrate 4. The optical sensor 2 comprises an emitting end for emitting light and a receiving end for receiving light, and the emitting end and the receiving end of the optical sensor 2 are arranged in a combined or separated mode; when the transmitting end and the receiving end of the optical sensor 2 are separately arranged, both ends are located at one side of the glass substrate 4. The light sensor 2 in fig. 1 may be an infrared reflection type laser sensor.
The light emitted by the emitting end of the optical sensor 2 is reflected by the glass substrate 4 and then received by the receiving end of the optical sensor 2; in conjunction with the movement of the glass substrate 4, the PLC1 completes the defect detection of the glass substrate based on the light received by the receiving end of the optical sensor 2.
Referring to fig. 2, in fig. 2, the PLC1 is connected to the light sensor 2 having a linear light source through a connecting wire 3, and the light sensor 2 is disposed on one side (e.g., above) of the glass substrate 4. The transmitting end and the receiving end of the optical sensor 2 are arranged in a combined or separated mode; when the transmitting end and the receiving end of the optical sensor 2 are separately arranged, both ends are located at one side of the glass substrate 4. Further, a mirror 5 is provided on the other side of the glass substrate 4, and light that has passed through the glass substrate 4 and irradiated onto the mirror 5 can be reflected. The light sensor 2 in fig. 2 may be an infrared ray transmission type laser sensor.
Light emitted by the emitting end of the optical sensor 2 passes through the glass substrate 4 and then is reflected by the reflecting mirror 5, and the light reflected by the reflecting mirror 5 passes through the glass substrate 4 and is received by the receiving end of the optical sensor 2; in conjunction with the movement of the glass substrate 4, the PLC1 completes the defect detection of the glass substrate based on the light received by the receiving end of the optical sensor 2. Since the light passes through the glass substrate 4 twice, the amount of light loss increases, and the accuracy of detection can be improved.
It should be noted that, in the detection process shown in fig. 2, the receiving end of the optical sensor 2 may also receive the light directly reflected by the glass substrate 4 in the case shown in fig. 1, and this part of the light may also be used by the PLC1 for defect detection of the glass substrate.
Referring to fig. 3, in fig. 3, the PLC1 is connected to the emitting end and the receiving end of the optical sensor 2 having a linear light source through a connecting wire 3, and the emitting end and the receiving end of the optical sensor 2 are respectively disposed at both sides of the glass substrate 4, such as: as shown in the figure, the light sensor emitting end 6 is disposed above the glass substrate 4, and the light sensor receiving end 7 is disposed below the glass substrate 4. The photosensor 2 in fig. 3 may be an ultraviolet transmission type laser sensor.
The light emitted by the light sensor emitting end 6 passes through the glass substrate 4 and is received by the light sensor receiving end 7; in conjunction with the movement of the glass substrate 4, the PLC1 completes the defect detection of the glass substrate based on the light received by the light sensor receiving end 7.
When the above embodiments are performed, the detection of the start and stop points may be various, as long as the full-scale detection of the glass substrate can be realized, such as:
detecting a starting point: when the glass substrate is conveyed to the detection area, taking the time point when the glass substrate finally contacts the detection area as a detection starting point;
and (3) detecting an end point: when the glass substrate is about to leave the detection area, the time point when the glass substrate leaves the detection area firstly is taken as a detection end point.
The device of the utility model can be arranged at any position of the equipment related to the glass substrate treatment, for example: at any point before the robot transfers the glass substrate to downstream equipment; the PLC may be replaced with another optical decision device capable of performing logic processing such as optical operation.
It is visible to combine the above description, the utility model discloses utilize light sensor such as regional type sensor and optics judgement device to carry out the defect detection to glass substrate to detect glass substrate and extend the face by prior art's line detection and detect, realize the full-scale detection to glass substrate.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. The glass substrate detection device is characterized by comprising an optical judgment device and an optical sensor with a linear light source; wherein,
the optical sensor is arranged at a position capable of irradiating the glass substrate and is used for receiving light rays which are emitted into the optical sensor under the action of the glass substrate after the light rays are emitted;
the optical judgment device is used for completing the defect detection of the glass substrate according to the light received by the optical sensor.
2. The device of claim 1, wherein the light emitting area of the light sensor is the same as the length or width of the glass substrate, or is between the length and width of the glass substrate, or is smaller than the width of the glass substrate.
3. The apparatus of claim 2,
when the light-emitting area of the optical sensor is the same as the width of the glass substrate, the optical sensor is arranged in the direction parallel to the short edge of the glass substrate; by moving the glass substrate and/or the optical sensor in the length direction of the glass substrate, light emitted from the linear light source of the optical sensor is irradiated to the entire glass substrate.
4. The apparatus of claim 2,
when the length of the light-emitting domain of the optical sensor is the same as that of the glass substrate, the optical sensor is arranged in the direction parallel to the long edge of the glass substrate; by moving the glass substrate and/or the optical sensor in the width direction of the glass substrate, light emitted from the linear light source of the optical sensor is irradiated to the entire glass substrate.
5. The apparatus of any one of claims 1 to 4, wherein the light sensor comprises an emitting end that emits light and a receiving end that receives light; the transmitting end and the receiving end of the optical sensor are arranged in a combined or separated mode; when the transmitting end and the receiving end of the optical sensor are separately arranged, the transmitting end and the receiving end are both positioned on one side of the glass substrate.
6. The apparatus according to claim 5, wherein a mirror is further provided at the other side of the glass substrate for reflecting light passing through the glass substrate and irradiated onto the mirror.
7. The apparatus of any one of claims 1 to 4, wherein the light sensor comprises an emitting end that emits light and a receiving end that receives light; the transmitting end and the receiving end of the optical sensor are respectively arranged on two sides of the glass substrate.
8. The apparatus of claim 1, wherein the apparatus is disposed anywhere in the apparatus related to glass substrate processing.
9. The apparatus of claim 1, wherein the optical decision device is a programmable logic controller.
10. The apparatus of claim 1, wherein the light sensor is a laser sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320214123 CN203259481U (en) | 2013-04-24 | 2013-04-24 | Glass substrate detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320214123 CN203259481U (en) | 2013-04-24 | 2013-04-24 | Glass substrate detecting device |
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| CN203259481U true CN203259481U (en) | 2013-10-30 |
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| CN 201320214123 Expired - Fee Related CN203259481U (en) | 2013-04-24 | 2013-04-24 | Glass substrate detecting device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655645A (en) * | 2015-03-06 | 2015-05-27 | 合肥京东方光电科技有限公司 | Base plate damage detecting device, production system and detecting method |
| CN104808213A (en) * | 2015-05-11 | 2015-07-29 | 合肥京东方光电科技有限公司 | Foreign matter detecting device and coating system |
| CN105884174A (en) * | 2016-04-12 | 2016-08-24 | 芜湖东旭光电科技有限公司 | Control method and device for adjusting shape of glass substrate |
| CN106198562A (en) * | 2016-06-29 | 2016-12-07 | 昆山国显光电有限公司 | A kind of glass substrate detection method, Apparatus and system |
| CN106706664A (en) * | 2016-12-28 | 2017-05-24 | 武汉华星光电技术有限公司 | Detection method, detection system and detection device for flexible substrate |
| CN107219233A (en) * | 2017-05-22 | 2017-09-29 | 武汉华星光电技术有限公司 | A kind of device and method for detecting glass substrate breakage and crackle |
| CN109187549A (en) * | 2018-07-26 | 2019-01-11 | 上海工程技术大学 | A kind of detection method for backing layer edging defect detection station after rearview mirror |
| CN118533904A (en) * | 2024-07-18 | 2024-08-23 | 湖南旗滨光能科技有限公司 | Detection method, glass production system, terminal equipment and storage medium |
-
2013
- 2013-04-24 CN CN 201320214123 patent/CN203259481U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655645A (en) * | 2015-03-06 | 2015-05-27 | 合肥京东方光电科技有限公司 | Base plate damage detecting device, production system and detecting method |
| US9709506B2 (en) | 2015-03-06 | 2017-07-18 | Boe Technology Group Co., Ltd. | Substrate damage inspection apparatus, production system and inspection method |
| CN104655645B (en) * | 2015-03-06 | 2017-05-24 | 合肥京东方光电科技有限公司 | Base plate damage detecting device, production system and detecting method |
| US20160332182A1 (en) * | 2015-05-11 | 2016-11-17 | Boe Technology Group Co., Ltd. | Foreign object detecting device and coating system |
| CN104808213A (en) * | 2015-05-11 | 2015-07-29 | 合肥京东方光电科技有限公司 | Foreign matter detecting device and coating system |
| US10005093B2 (en) * | 2015-05-11 | 2018-06-26 | Boe Technology Group Co., Ltd. | Foreign object detecting device and coating system |
| CN105884174A (en) * | 2016-04-12 | 2016-08-24 | 芜湖东旭光电科技有限公司 | Control method and device for adjusting shape of glass substrate |
| CN106198562A (en) * | 2016-06-29 | 2016-12-07 | 昆山国显光电有限公司 | A kind of glass substrate detection method, Apparatus and system |
| CN106706664A (en) * | 2016-12-28 | 2017-05-24 | 武汉华星光电技术有限公司 | Detection method, detection system and detection device for flexible substrate |
| US10530992B2 (en) | 2016-12-28 | 2020-01-07 | Wuhan China Star Optoelectronics Technology Co., Ltd | Detection method, detection system, and detection device for flexible substrate |
| CN107219233A (en) * | 2017-05-22 | 2017-09-29 | 武汉华星光电技术有限公司 | A kind of device and method for detecting glass substrate breakage and crackle |
| CN109187549A (en) * | 2018-07-26 | 2019-01-11 | 上海工程技术大学 | A kind of detection method for backing layer edging defect detection station after rearview mirror |
| CN118533904A (en) * | 2024-07-18 | 2024-08-23 | 湖南旗滨光能科技有限公司 | Detection method, glass production system, terminal equipment and storage medium |
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| CF01 | Termination of patent right due to non-payment of annual fee |