CN201615890U - Non-contact plate glass surface crack detection device - Google Patents
Non-contact plate glass surface crack detection device Download PDFInfo
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- CN201615890U CN201615890U CN2009202395630U CN200920239563U CN201615890U CN 201615890 U CN201615890 U CN 201615890U CN 2009202395630 U CN2009202395630 U CN 2009202395630U CN 200920239563 U CN200920239563 U CN 200920239563U CN 201615890 U CN201615890 U CN 201615890U
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- plate glass
- semiconductor laser
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Abstract
The utility model relates to a non-contact plate glass surface crack detection device which is mainly characterized in that the light emitted by a semiconductor laser is irradiated on the tested surface of the plate glass after being aligned and focused by an optical system, and then the light enters a photoelectric detector through a fiber optic sensor after being reflected and scattered by the tested glass surface, the light intensity distribution signals are converted to simulating electrical signals, then are subjected to A/D conversion after being amplified and filtered, and then enters a computer through a high-speed data acquisition system for being compared with the normal data so as to obtain the conclusion. The device can fast detect and evaluate the surface quality of the tested glass, improve the detection precision and detection efficiency, reduce detection time, improve the surface processing quality and performances of the plate glass, reduce the labour intensity of manual detection, and has strong practical applicability.
Description
Technical field
The utility model belongs to electronic technology field about noncontact surface of plate glass failure detector.Specifically, the utility model is a kind of contactless surface of plate glass failure detector, utilize this device collection flat glass table surface information and normal glass information to compare, thereby detect underproof product, this measurement mechanism measuring method is simple, convenient, fast, measuring accuracy height, scope are big, can carry out disposable demarcation to the surface of plate glass quality condition, also can demarcate according to specific requirement.
Background technology
Every index to the surface of plate glass quality detects at present, generally still rests on the manual inspection stage, and measuring error is bigger, and efficient is low.In order to improve precision, reduce Measuring Time, improve detection efficiency, need a kind of can fast detecting, the device of the surface quality situation of the tested glass of evaluation, to improve accuracy of detection and detection efficiency, to reduce Measuring Time, improve the quality and the performance of surface of plate glass processing, alleviate artificial cognition, labour intensity.
The content of utility model
In view of above-mentioned, fundamental purpose of the present utility model is to provide a kind of noncontact surface of plate glass failure detector, it can fast detecting, the surface quality situation of the tested glass of evaluation, this device can improve accuracy of detection and detection efficiency, reduce detection time, improve the quality and the performance of surface of plate glass processing, alleviate the labour intensity of manual detection, have very big practicality.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of noncontact surface of plate glass failure detector is provided.It is characterized in that: mainly comprise semiconductor laser, optical system is accepted fibre bundle, launching fiber bundle; The light that semiconductor laser sends is injected into the sheet glass measured surface after optical system alignment, focusing, after tested reflection of glass surface, scattering, enter photodetector by Fibre Optical Sensor, the light intensity distributions conversion of signals is become analog electrical signal, after amplification, filtering, do the A/D conversion, enter computing machine by high-speed data acquistion system, compare by computing machine and normal data, reach a conclusion.
Optical system described in the utility model is by semiconductor laser (1), beam expanding lens (2), and spectroscope (4), reflective mirror (3) is formed; Wherein semiconductor laser is to provide reliable and stable light source to total system, and has luminous energy and concentrate, advantages such as collimation and good directionality, in light weight, power consumptive province, and Optical Fiber Transmission is good, is more satisfactory light source.
Fibre Optical Sensor described in the utility model is by accepting fibre bundle (5), launching fiber bundle (7) and pop one's head in 1 (9) and probe 2 (10) form.
Circuit module described in the utility model by amplifying circuit, filtering circuit, A the D change-over circuit form.
Microcomputer module described in the utility model is by keyboard, printer, and display is formed.
Optical system described in the utility model is by semiconductor laser, beam expanding lens (2), spectroscope (4), reflective mirror (3) is formed, Fibre Optical Sensor is by accepting fibre bundle (5), launching fiber bundle (7), probe 1 (9) and probe 2 (10) are formed, the light that semiconductor laser (1) sends is through beam expanding lens (2), spectroscope (4), reflective mirror (3) collimation, launching fiber bundle (7) is passed in focusing, be mapped to the sheet glass measured surface after the focusing, the measured surface reflection, after the scattering, by the probe in the optical system (9), (10) and accept fibre bundle (5) and enter photodetector (6).The light intensity distributions conversion of signals becomes analog electrical signal the most at last, through amplifying circuit, the filtering circuit of circuit module, behind the A/D change-over circuit, enters the microcomputer module by high-speed data acquistion system, finally by keyboard, and printer, display output testing result.
The optical fiber of accepting fibre bundle (5), two same core diameters of launching fiber bundle (7) employing described in the utility model, and with the end face of two optical fiber near being assembled together, end face is the plane, light is exported from an optical fiber, by slight void between two optical fiber, enter another root optical fiber.The concentric circles of selecting for use that connects probe 1 (9) is arranged unidirectional divergence type Fibre Optical Sensor, makes it to keep vertical with measured surface, and its advantage is to have bigger measurement range and higher displacement sensitivity, can reduce the influence of tilting and rotating; Connect probe 2 (10) and select the unidirectional divergence type Fibre Optical Sensor of parallel arranged for use, make it to become with measured surface
The degree angle,
Angle (this angle is the best angle value range that draws with computer simulation by experiment).
Thereby the beneficial effects of the utility model are to utilize noncontact surface of plate glass failure detector to gather the flat glass table surface information to have realized the surface of plate glass flaw detection in the comparison of dressing plate glass information, can reach the surface of plate glass flaw detection fast, not damaged, online detection.
Description of drawings
Fig. 1 is a figure noncontact surface of plate glass failure detector system chart
Fig. 2 is the schematic diagram of noncontact surface of plate glass failure detector
Among the figure: 1, laser instrument 2, beam expanding lens 3, reflective mirror 4, spectroscope 5, accept fibre bundle
6, photodetector 7, launching fiber bundle 8, measured surface 9, gauge head 1 10, gauge head 2
11, microcomputer 12, printing and demonstration
Embodiment
When semiconductor laser (1) sent a branch of light the people is mapped to measured surface at a certain angle, if surface of plate glass is desirable smooth, the people penetrated light and will all reflect along reflection direction; If there is flaw in surface of plate glass, comprise bubble, scuffing, sand grains, pimple, pit, drawing lines etc., the people penetrate light part or all can produce scattering and depart from reflection angle, therefore, the luminous energy of certain angle of space changes, and can reflect the characteristic of surface of plate glass.With regard to reflection direction, the surface of plate glass flaw is many more, and energy is also more little, thereby can reflect the size of surface of plate glass parameter according to the variation of energy.In view of the above, just can evaluate the degree of surface of plate glass flaw by the size of the reflective light intensity of measuring.
Fig. 1 is to be the measuring system ingredient of noncontact surface of plate glass failure detector, and this system comprises optical system, opto-electronic conversion, filtering circuit and amplification system and microcomputer system.
Fig. 2 is a noncontact surface of plate glass failure detector schematic diagram, and this principle adopts two cover measuring systems, i.e. gauge head 1 (9) and probe 2 (10).Wherein popping one's head in 1 (9) keeps vertical with measured surface, pops one's head in 2 (10) to become certain included angle (this angle is the optimum value that draws with computer simulation by experiment) with measured surface.Its measuring process is: the light beam that semiconductor laser (1) sends becomes the light beam with certain pore size through beam expanding lens (2), and this light beam is divided into two-way through spectroscope (4), and a Reuter is mapped to the launching fiber bundle (7) of probe 1 (9); Another road reflexes to the launching fiber bundle (7) of probe in 2 (10) through reflective mirror, light shines tested surface of plate glass through launching fiber bundle (7) again, the light that reflects by measured surface, receive by photodetector (6) through receiving fibre bundle (5), the light intensity signal of two-way ratio converts electric signal to the most at last, amplifying circuit, filtering circuit through circuit module, behind the A/D change-over circuit, enter the microcomputer module by high-speed data acquistion system, finally by keyboard, printer, display output testing result.
Claims (5)
1. noncontact surface of plate glass failure detector, comprise Fibre Optical Sensor, optical system, circuit module and microcomputer module, it is characterized in that the light that semiconductor laser sends is injected into the sheet glass measured surface after optical system alignment, focusing, after tested reflection of glass surface, scattering, enter photodetector by Fibre Optical Sensor, the light intensity distributions conversion of signals is become analog electrical signal, after amplification, filtering, do the A/D conversion, enter computing machine by high-speed data acquistion system.
2. Fibre Optical Sensor according to claim 1 is by accepting fibre bundle, the launching fiber bundle and pop one's head in 1 and probe 2 form.
3. optical system according to claim 1 is by semiconductor laser, beam expanding lens, and spectroscope, reflective mirror is formed; Semiconductor laser is to provide reliable and stable light source to total system.
4. circuit module according to claim 1 by amplifying circuit, filtering circuit, A the D change-over circuit form.
5. microcomputer module according to claim 1 is by keyboard, printer, and display is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202395630U CN201615890U (en) | 2009-10-10 | 2009-10-10 | Non-contact plate glass surface crack detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202395630U CN201615890U (en) | 2009-10-10 | 2009-10-10 | Non-contact plate glass surface crack detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201615890U true CN201615890U (en) | 2010-10-27 |
Family
ID=43002257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202395630U Expired - Fee Related CN201615890U (en) | 2009-10-10 | 2009-10-10 | Non-contact plate glass surface crack detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201615890U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115984A (en) * | 2015-09-29 | 2015-12-02 | 江苏建研建设工程质量安全鉴定有限公司 | Tempered glass crack detection device |
| CN104777131B (en) * | 2015-04-17 | 2018-01-30 | 蓝思科技（长沙）有限公司 | A kind of glass quality detection means |
| CN108088656A (en) * | 2018-01-12 | 2018-05-29 | 深圳奥比中光科技有限公司 | A kind of monitoring device and method of optical element integrality |
| CN108254158A (en) * | 2018-01-12 | 2018-07-06 | 深圳奥比中光科技有限公司 | A kind of device and method for monitoring optical element integrality |
| CN109668861A (en) * | 2018-12-25 | 2019-04-23 | 江苏日托光伏科技股份有限公司 | The component backboard method of inspection after a kind of MWT lamination |
-
2009
- 2009-10-10 CN CN2009202395630U patent/CN201615890U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777131B (en) * | 2015-04-17 | 2018-01-30 | 蓝思科技（长沙）有限公司 | A kind of glass quality detection means |
| CN105115984A (en) * | 2015-09-29 | 2015-12-02 | 江苏建研建设工程质量安全鉴定有限公司 | Tempered glass crack detection device |
| CN108088656A (en) * | 2018-01-12 | 2018-05-29 | 深圳奥比中光科技有限公司 | A kind of monitoring device and method of optical element integrality |
| CN108254158A (en) * | 2018-01-12 | 2018-07-06 | 深圳奥比中光科技有限公司 | A kind of device and method for monitoring optical element integrality |
| CN109668861A (en) * | 2018-12-25 | 2019-04-23 | 江苏日托光伏科技股份有限公司 | The component backboard method of inspection after a kind of MWT lamination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20111010 |