CN204359650U - A kind of device detecting base plate glass former inner space micro mist dust concentration - Google Patents
A kind of device detecting base plate glass former inner space micro mist dust concentration Download PDFInfo
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- CN204359650U CN204359650U CN201420850900.0U CN201420850900U CN204359650U CN 204359650 U CN204359650 U CN 204359650U CN 201420850900 U CN201420850900 U CN 201420850900U CN 204359650 U CN204359650 U CN 204359650U
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- base plate
- micro mist
- plate glass
- dust concentration
- laser
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Abstract
Detect a device for base plate glass former inner space micro mist dust concentration, comprise the laser generator and laser receiver that are arranged on base plate glass former casing both sides, laser receiver outer signal processor; The light beam that laser generator is launched enters laser receiver through the air in casing, and the intensity of laser beam is converted into detection signal and transfers to signal processor by laser receiver, and detection signal is converted into detected value and shows by signal processor.The utility model is when the micro mist dust concentration in air in casing is larger, and laser can be subject to comparatively high attenuation in transmitting procedure; When the micro mist dust concentration in air in casing is less, laser damping capacity in transmitting procedure is less, and the signal value that therefore laser receiver is transformed out by laser intensity reflects the concentration of the micro mist dirt in light path indirectly.The utility model structure is simple, can measure the micro mist dust concentration of base plate glass former inner space effectively reliably.
Description
Technical field
The utility model relates to base plate glass manufacture field, is specifically related to a kind of device detecting base plate glass former inner space micro mist dust concentration.
Background technology
Photoelectric sight device part base plate glass is the important component part in flat-panel display device, and all the other each several parts of flat-panel display device all need to be attached on base plate glass.The continuous increase of flat-panel display device along with size and the continuous lifting of display quality, in production and in using, the surface smoothness requirements for base plate glass is also more and more higher.
In overflow downdraw production run, melten glass, through process, is drained on overflow brick, melten glass crosses the weir on overflow brick both sides, along the wedge shape flow downwards of overflow brick, and converges in bottom, then continue flow downward and stretch downwards, obtain planar substrates glass.Due in the process, the glass on contacted overflow brick surface is embedded in inside of glass plate, and the outside surface of glass plate than air, does not contact any other material, therefore adopt overflow downdraw to produce planar substrates glass, can ensure that the glass outer surface quality obtained is good.
Muffle furnace is the former that fusion draw process manufactures sheet glass, the cooling of follow-up glass and sclerosis need to complete in muffle furnace inside, in this course, if containing more micro mist dirt in the inner space atmosphere of muffle furnace, the surface that will be bonded in hot glass forms product defects, cause product surface smooth finish defective, and this defect cannot be got rid of in rear operation by methods such as cleanings.Therefore, the micro mist dust concentration in the atmosphere of muffle furnace inner space needs to carry out on-line continuous detection, so that producers can grasp situation at any time, when after the value that micro mist dust concentration reaches certain, takes cleaning measure in time.
Utility model content
The purpose of this utility model is for above-mentioned defect of the prior art, provides a kind of structure simple, can measure the pick-up unit of base plate glass former inner space micro mist dust concentration effectively reliably.
To achieve these goals, the technical solution adopted in the utility model is: comprise the laser generator and laser receiver that are arranged on base plate glass former casing both sides, laser receiver outer signal processor; The light beam that laser generator is launched enters laser receiver through the air in casing, and the intensity of laser beam is converted into detection signal and transfers to signal processor by laser receiver, and detection signal is converted into detected value and shows by signal processor.
Described laser receiver is CCD camera lens.
Described laser generator is arranged on the linear stage for adjusting beam direction.
The light beam that described laser generator is launched is slender type or circle.
Length breadth ratio when described light beam is slender type is (1 ~ 1000): 1; Diameter when described light beam is circle is 0.01 ~ 1000mm.
Described laser generator and laser receiver outer setting cooling jacket.
Described signal processor at least comprises a narrow-band pass filter.
Described signal processor with the micro mist dust concentration value in air for 0.01mg/m
3for detection reference, upper limit of detection is 100mg/m
3.
Described laser receiver sensing range is 0.01mg/m
3~ 100mg/m
3; The vertical range of laser optical path distance former internal base plate glass surface is 0 ~ 1000mm.
Described signal processor by detected value at the scene Displaying Meter carry out showing or be sent to computer control system and carry out centralized displaying and record.
Compared with prior art, the utility model has following beneficial effect: the light beam that laser generator is launched enters laser receiver through the air in base plate glass former casing, the intensity of laser beam is converted into detection signal and transfers to signal processor by laser receiver, and detection signal is converted into detected value and shows by signal processor.When the micro mist dust concentration in air in casing is larger, laser can be subject to comparatively high attenuation in transmitting procedure; When the micro mist dust concentration in air in casing is less, laser damping capacity in transmitting procedure is less.Therefore the laser intensity that receives of laser receiver and the inversely proportional relation of micro mist dust concentration, the signal value that laser receiver is transformed out by laser intensity reflects the concentration of the micro mist dirt in light path indirectly.The utility model structure is simple, can measure the micro mist dust concentration of base plate glass former inner space effectively reliably.The utility model is applicable to other the large plate of material needing surface very smooth manufacturing and process such as active electronic device, photovoltaic device and biological sequence device and so on simultaneously.
Further, the utility model laser generator is arranged on the linear stage for adjusting beam direction, and linear stage can adjust beam angle in a plurality of directions, thus makes light beam accurately expose to laser receiver.
Further, the utility model laser generator and laser receiver outer setting cooling jacket, cooling jacket can prevent laser generator and laser receiver from breaking down in high temperature environments or damaging.
Further, signal processor of the present utility model at least comprises a narrow-band pass filter, decreases the noise that the background illumination from folded light beam causes, thus improves the measurement quality of laser receiver.
Accompanying drawing explanation
Fig. 1 one-piece construction schematic diagram of the present utility model;
In accompanying drawing: 1-casing; 2-laser generator; 3-CCD camera lens; 4-signal processor; 5-base plate glass.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1, one-piece construction of the present utility model comprises the laser generator 2 and CCD camera lens 3 that are arranged on base plate glass former casing 1 both sides, laser generator 2 and CCD camera lens 3 outer setting cooling jacket.Laser generator 2 is arranged on the linear stage for adjusting beam direction, CCD camera lens 3 outer signal processor 4.The light beam that laser generator 2 is launched is slender type or circle, and length breadth ratio when light beam is slender type is (1 ~ 1000): 1, and diameter when light beam is circle is 0.01 ~ 1000mm.The light beam launched of laser generator 2 enters CCD camera lens 3, CCD camera lens 3 through the air in casing 1 and the intensity of laser beam is converted into detection signal transfers to signal processor 4, and detection signal is converted into detected value and shows by signal processor 4.Signal processor 4 at least comprises a narrow-band pass filter, signal processor 4 with the micro mist dust concentration value in air for 0.01mg/m
3for detection reference, upper limit of detection is 100mg/m
3.Laser receiver sensing range is 0.01mg/m
3~ 100mg/m
3; The vertical range on laser optical path distance former internal base plate glass 5 surface is 0 ~ 1000mm.Signal processor 4 by detected value at the scene Displaying Meter carry out showing or be sent to computer control system and carry out centralized displaying and record.
Principle of work of the present utility model is: the laser that laser generator 2 is launched enters CCD camera lens 3 through the air in casing 1, as arrow solid line in figure, the intensity of laser beam is converted into detection signal by CCD camera lens 3, and detection signal is converted into detected value and shows by signal processor 4.When in air in base plate glass former casing 1, micro mist dust concentration is larger, laser can be subject to comparatively high attenuation in transmitting procedure; When in air in base plate glass former casing 1, micro mist dust concentration is less, laser damping capacity in transmitting procedure is less.Therefore the intensity of laser that receives of CCD camera lens 3 and the inversely proportional relation of micro mist dust concentration, the signal value that CCD camera lens 3 is transformed out by the laser intensity received reflects the concentration of the micro mist dirt in light path indirectly.
Structure of the present utility model is simple, the micro mist dust concentration of base plate glass former inner space can be measured effectively reliably, this device also comprises and is configured to receive about the data acquisition equipment of light source incidence strength information, and is configured to the data analysis facilities that incident intensity is associated with dust concentration in housing interior volume atmosphere.The utility model is applicable to other the large plate of material needing surface very smooth manufacturing and process such as active electronic device, photovoltaic device and biological sequence device and so on simultaneously.
Claims (10)
1. one kind is detected the device of base plate glass former inner space micro mist dust concentration, it is characterized in that: comprise the laser generator (2) and laser receiver that are arranged on base plate glass former casing (1) both sides, laser receiver outer signal processor (4); The light beam that laser generator (2) is launched enters laser receiver through the air in casing (1), the intensity of laser beam is converted into detection signal and transfers to signal processor (4) by laser receiver, and detection signal is converted into detected value and shows by signal processor (4).
2. the device of detection base plate glass former inner space according to claim 1 micro mist dust concentration, is characterized in that: described laser receiver is CCD camera lens (3).
3. the device of detection base plate glass former inner space according to claim 1 micro mist dust concentration, is characterized in that: described laser generator (2) is arranged on the linear stage for adjusting beam direction.
4. the device of the detection base plate glass former inner space micro mist dust concentration according to claim 1 or 3, is characterized in that: the light beam that described laser generator (2) is launched is slender type or circle.
5. the device of detection base plate glass former inner space according to claim 4 micro mist dust concentration, is characterized in that: length breadth ratio when described light beam is slender type is (1 ~ 1000): 1; Diameter when described light beam is circle is 0.01 ~ 1000mm.
6. the device of detection base plate glass former inner space according to claim 1 micro mist dust concentration, is characterized in that: described laser generator (2) and laser receiver outer setting cooling jacket.
7. the device of detection base plate glass former inner space according to claim 1 micro mist dust concentration, is characterized in that: described signal processor (4) at least comprises a narrow-band pass filter.
8. the device of the detection base plate glass former inner space micro mist dust concentration according to claim 1 or 7, is characterized in that: described signal processor (4) with the micro mist dust concentration value in air for 0.01mg/m
3for detection reference, upper limit of detection is 100mg/m
3.
9. the device of detection base plate glass former inner space according to claim 1 micro mist dust concentration, is characterized in that: described laser receiver sensing range is 0.01mg/m
3~ 100mg/m
3; The vertical range on laser optical path distance former internal base plate glass (5) surface is 0 ~ 1000mm.
10. the device of detection base plate glass former inner space according to claim 1 micro mist dust concentration, is characterized in that: described signal processor (4) by detected value at the scene Displaying Meter carry out showing or be sent to computer control system and carry out centralized displaying and record.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850900.0U CN204359650U (en) | 2014-12-27 | 2014-12-27 | A kind of device detecting base plate glass former inner space micro mist dust concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850900.0U CN204359650U (en) | 2014-12-27 | 2014-12-27 | A kind of device detecting base plate glass former inner space micro mist dust concentration |
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| Publication Number | Publication Date |
|---|---|
| CN204359650U true CN204359650U (en) | 2015-05-27 |
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ID=53261114
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420850900.0U Active CN204359650U (en) | 2014-12-27 | 2014-12-27 | A kind of device detecting base plate glass former inner space micro mist dust concentration |
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| CN (1) | CN204359650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547930A (en) * | 2015-12-04 | 2016-05-04 | 上海同化新材料科技有限公司 | Detector for powder material raising dust and detection method thereof |
-
2014
- 2014-12-27 CN CN201420850900.0U patent/CN204359650U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547930A (en) * | 2015-12-04 | 2016-05-04 | 上海同化新材料科技有限公司 | Detector for powder material raising dust and detection method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |