CN202501874U - Online measuring device for film layer under high temperature region on float glass production line - Google Patents
Online measuring device for film layer under high temperature region on float glass production line Download PDFInfo
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- CN202501874U CN202501874U CN2012201246005U CN201220124600U CN202501874U CN 202501874 U CN202501874 U CN 202501874U CN 2012201246005 U CN2012201246005 U CN 2012201246005U CN 201220124600 U CN201220124600 U CN 201220124600U CN 202501874 U CN202501874 U CN 202501874U
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Abstract
The utility model discloses an online measuring device for a film layer under a high temperature region on a float glass production line. The online measuring device comprises a water-cooling cavity which is arranged at the inner upper part of an annealing furnace and stretches cross the production line, glass to be measured is driven to move under the water-cooling cavity by a glass transmission roller in the annealing furnace, a measuring mechanism is arranged in the water-cooling cavity, a probe capable of transversely moving along the production line is arranged on a rack of the measuring mechanism, the bottom part of the water-cooling cavity is provided with a measuring port through which light emitted by the probe and light reflected by a glass plate and received by the probe are able to pass, one side of the water-cooling cavity is provided with a probe calibration stand, and a reflecting glass plate with known reflectivity is arranged on the probe calibration stand. By moving the probe to the reflecting glass plate and the glass to be measured in sequence, the light intensity changes can be sequentially obtained by the probe, and thus a reflectance ratio of the glass to be measured is obtained. According to the online measuring device for the film layer under the high temperature region on the float glass production line, the performances of the filmed glass such as the reflection spectrum distribution, the color, temperature and thickness distributions can be measured online under the high temperature region at the temperature up to 600 DEG C.
Description
Technical field
The utility model relates to a kind of glass rete measurement mechanism, refers to a kind of float glass rete on-line measurement device especially.
Background technology
On-line coating glass is in the production run of float glass, behind the shaping area of production line, i.e. and the end in molten tin bath district; The beginning of annealing kiln; Through chemical vapour deposition technique (CVD), feed reacting gas and decompose at scorching hot glass surface, be deposited on glass surface equably and form coated glass (being called on-line coating glass); To change the optical property of glass, satisfy certain particular requirement.The characteristics of this method are less equipment investment, easy-regulating, and cost of products is low, chemical stability good, can carry out hot-working.
Coated glass (comprising online coated glass and off-line coated glass) is a big product of building material industry; Have purposes and vast market prospect widely, be mainly used on the technical industries such as top-grade building, high-grade glass processing and solar energy photoelectric curtain wall field and high-grade glass furniture, ornamental glass, imitative crystal product, fitting glass, precise electronic industry, extraordinary building.
The quality of glass and plated film is the most key problem of glass production enterprise always.On the float glass process production line because its whole line device structure, glass from moulding behind plated film, annealed again, cutting, load, the production span does not probably wait at 150m-250m, time span did not wait at 30 minutes-50 minutes.Conventional glass check will wait until all that at every turn glass arrives under the production line end behind the sheet place, carries out on-site sampling again and detects just and can obtain the result; In case when finding that the sampling detection is unusual, equal technology had been carried out production in enormous quantities, can cause a large amount of labours and waste of material and throughput rate to reduce; Especially concerning on-line coating; Technology regulation and control feedback is serious sluggish, can't in time obtain the adjusted result's feedback of technology, can't guarantee the quality and the repeatability stability of product.Therefore, the complete online detection instrument of a cover need to be installed on the production line, the index of correlation of glass can in time be fed back more the closer to glass ware forming end (or plated film end) in the position, so that the technologist can in time regulate and control relevant technology.
A lot of about the glass detecting instrument of off-line both at home and abroad, but can only carry out offline inspection under the normal temperature condition in the laboratory, measurement result seriously lags behind, and this is very disadvantageous to technology controlling and process such as the coating process control that needs obtain testing result in real time; The defect detecting system that is contained in the float glass process production line cold side is also arranged both at home and abroad; But the index of its detection is generally the forming defect that detects glass itself; Like bubble, snotter, calculus etc., the rete characteristic that coating process is concerned about, color characteristics etc. can't be measured.
Near the checkout equipment that is contained near the coating film area is abroad also arranged; This equipment generally is installed on the top of annealing kiln, and a window is left on the annealing kiln top, and probe cools off through the mode of air cooling; Directly the glass of high temperature is measured through the window at annealing kiln top then; This method is owing to be to measure in the annealing kiln outside, and the air turbulence inside and outside the annealing kiln is very big to the measurement influence of optics, and because this kind method can't effectively reflect calibration; Measurement data is not accurate enough, and position measurement is single; Also having a kind of is at the annealing kiln both-side opening, and equipment can move in the annealing kiln and glass measured this kind method structure more complicated; Inconvenient installation; Probe need be moved out to the annealing kiln outside and cool off calibration, and it is inconsistent to cause calibrating the environment that box measures, and causes measuring inaccurate; Opening also can cause the annealing kiln sealing bad, influences the ANNEALING OF GLASS quality.
The utility model content
To the problem that prior art exists, the purpose of the utility model is to provide the laterally vertical measurement mechanism of spectral reflectance and distribution of color of a kind of spectral reflectance, color parameter and glass of can be online, measuring coated glass under the high temperature in real time.
For realizing above-mentioned purpose; The float glass rete on-line measurement device of the utility model; Comprise the waterway that is arranged on the annealing kiln internal upper part, below waterway, move under the drive of glass to be checked glass delivery roll in annealing kiln, be provided with measuring mechanism in the waterway across production line; The frame of measuring mechanism is provided with can be along the laterally mobile probe of production line; Waterway bottom has several measuring port that supplies light that probe sends and the light that is received by probe through the glass plate reflection to pass through, and a side also is provided with probe calibration platform on the waterway, is placed with the reflecting glass plate of known reflectivity on this probe calibration platform; Successively mobile probe utilizes the light intensity that obtains before and after the probe to change the reflectance that obtains glass to be checked to reflecting glass plate and glass to be checked place.
Further, the glass to be checked height of living in the reflecting glass plate height of placing on the said probe calibration platform of living in and the said annealing kiln on the glass delivery roll is identical.
Further; Said waterway comprises inside and outside two-layer housing; Space between the inside and outside two-layer housing is a water circulation channel, and said measuring mechanism is arranged in the confined space in the inner housing, and shell body is provided with cooling water intake and the cooling water outlet that is communicated with water circulation channel.
Further, said shell body outside surface also is provided with heat-insulation layer.
Further; Said waterway measuring port place also is provided with the measuring port guard mechanism; This measuring port guard mechanism comprises installation base plate, stepper motor, shaft coupling, screw mandrel, blocks assembly, slide block and guide rail; The measuring port guard mechanism is installed on measuring port place, waterway bottom through base plate is installed, and stepper motor links to each other with screw mandrel one end through shaft coupling, the leading screw other end with block assembly and be threaded; Block assembly and be installed on the slide block and and be located on the guide rail, block assembly and can move along the guide rail direction and open or close said measuring port along with screw mandrel rotates through slider frame.
Further; Said probe comprises shell; Shell is provided with unthreaded hole; Be provided with light source, integrating sphere, parallel light tube and grating beam splitting receiver in the shell, integrating sphere sends through light source and surveys the glass pane surface of light below said unthreaded hole is mapped to probe, after the luminous energy after the glass plate reflection gets into the beam split of grating beam splitting receiver through parallel light tube, signal is transferred to main control computer.
Further, also be connected with a grating beam splitting receiver on the said integrating sphere, the light that light source sends gets in integrating sphere behind this grating beam splitting receiver reference signal transmission to main control computer.
Further, said integrating sphere light exit place is provided with the optical gate mechanism of being in the light.
Further, said inner surface of outer cover is provided with resistant to elevated temperatures glass-ceramic fibrous paper.
Further, said unthreaded hole place is equipped with heat-protecting glass.
The float glass rete on-line measurement device of the utility model can be installed in temperature and distribute performances such as color, Temperature Distribution and thickness distribution up to on-line measurement coated glass reflectance spectrum under 600 ℃ the zone.This zone is closed on the A0 zone of coating film area and is controlled department with coating process, and the feedback time of data is by foreshortening in original 20 minutes-30 minutes in 5 fens kinds.Because the multiple performance parameter relevant with coating process can in time feed back to coating process control department; Make the coating process personnel can in time know the correlated performance parameter of coating film on glass; In time adjust the technological parameter of production line; So that reach the optimum efficiency of glass production quality, reduce the scrappage on the glass production line, improved production efficiency greatly.
Description of drawings
Fig. 1 is the structural representation of the float glass rete on-line measurement device of the utility model;
Fig. 2 is the partial sectional view of Fig. 1;
Fig. 3 is the structural representation of waterway;
Fig. 4 is the cut-open view of Fig. 3;
Fig. 5 is the synoptic diagram of measuring port guard mechanism;
Fig. 6 is the synoptic diagram of the measuring mechanism in the waterway;
Fig. 7 is the structural representation of probe;
Fig. 8 is the be in the light structural representation of mechanism of optical gate among Fig. 7.
Embodiment
Like Fig. 1,4, shown in 6; The float glass rete on-line measurement device of the utility model; Comprise the waterway 1 that is arranged on production line A0 regional annealing kiln 2 internal upper parts, below waterway 1, move under the drive of glass 4 to be checked glass delivery roll 21 in annealing kiln 2 that waterway 1 is respectively installed the surface of contact gap with annealing kiln 2 and adopted a kind of resistant to elevated temperatures ceramic fiber sealed paper sealing across production line; Be provided with measuring mechanism 3 in the waterway 1; The frame of measuring mechanism 3 is provided with probe 31, guide rail 32 and motor 33, and probe 31 can move by guide rail 32 in the driving lower edge of motor 33, so can measure the glass plate parameter of horizontal a plurality of positions on the production line.31 can operate as normal in order to guarantee to pop one's head in; Waterway 1 bottom has several measuring port 16 that supplies light that probe 31 sends and the light that is received by probe 31 through the glass plate reflection to pass through; Be in annealing kiln 2 outer sides on the waterway 1 and also be provided with probe calibration platform 11, be placed with the reflecting glass plate of known reflectivity on this probe calibration platform 11.Probe 12 sends light through light source, incide on the smooth flat of glass, the optical power measurement reflectance that utilizing is reflected returns so obtain the coating film on glass rete laterally with the spectral reflectance and the color of homogeneity and glass longitudinally.
The clean plate width of general float glass process production line can reach 3660mm, even the production line that has can reach 4800mm and do not wait.Frame adopts large scale industry to do the main body framework with aluminium section bar, can satisfy the production line mounting condition of different spans size across being installed in the continuous slab face place of closing on before production line annealing kiln rear end, the glass crosscut station; Probe 31 be a packaged type equipment, drives through stepper motor 33 and makes that 31 pairs of production line glass of probe carry out laterally, vertical multiple spot on-line monitoring, can at utmost satisfy the on-line measurement of large-size glass.
Shown in Fig. 3 and 4; Waterway 1 mainly comprises shell body 14 and inner housing 15; Shell body 14 outside surfaces are coated with heat-insulation layer 141, and inside and outside two-layer housing 15, the space between 14 are water circulation channel 17, and measuring mechanism 3 is arranged in the confined space 18 in the inner housing 15.One side or the both sides of waterway 1 are provided with gland bonnet 19, through opening gland bonnet 19 measuring mechanism 3 are inserted in the confined space 18.The length of waterway 1 can be decided according to the width of annealing kiln 2 under the hot environment of production line A0 zone.For making waterway 1 interior temperature remain on below 60 degree and remaining on more than 30 degree; Waterway 1 adopts the water cycle solutions for refrigeration; Waterway 1 one ends design chilled water entery and delivery port 12,13 makes that the chilled water in the water circulation channel 17 can effectively circulate in a totally enclosed cavity; A plurality of measuring port 16 are offered as required near the one side of glass in waterway 1 below.As shown in Figure 5; Measuring port 16 places use hermetically sealed design and design guard mechanism 161 outside measuring port 16; Measuring port guard mechanism 161 comprises installation base plate 162, stepper motor 163, shaft coupling 164, screw mandrel 165, blocks assembly 166, slide block 167 and guide rail 168; Through being installed, base plate 162 is installed on measuring port 16 places, waterway bottom; Send instruction by control system and screw mandrel 165 is rotated for stepper motor 163 in setting stroke, block assembly 166 this moment and move along guide rail 168 directions and open or close measuring port 16 along with the rotation of screw mandrel 165.1 pair of external seal of whole waterway, measuring mechanism 3 and reflectance standards plate all are installed in waterway 1 cooler environment, and the height of reflectance standards plate is consistent with the production line glass height, make to solve errors caused thus by the term harmonization of measuring and calibrating; Simultaneously because the sealing and the keeping warm mode of waterway 1 can effectively be avoided the influence of main body measuring mechanism to glass annealing.
As shown in Figure 7; Probe 31 comprises shell 34; Shell 34 is provided with unthreaded hole, is provided with light source 311, integrating sphere 313, parallel light tube 312 and two grating beam splitting receivers in the shell, and integrating sphere 313 sends light through light source 311; Incide on the even surface of glass; The be reflected luminous energy of returning of utilization is gone into grating beam split receiver and is carried out getting into the AD data-switching after the light-splitting processing through parallel light tube 312 is laggard, passes through the ICP/IP protocol converter then, gets into the network switch and transfers to main control computer through Ethernet; Integrating sphere 313 sends another grating beam splitting receiver reception that light is also linked to each other with integrating sphere 313 through light source 311; It mainly acts on is the reference path through light source 311 places, effectively eliminates light source and receiver itself because the system drifting that the variation of temperature etc. causes.Adopt resistant to elevated temperatures material on the structural design of reflection probe, probe can be worked under rugged surroundings for a long time; Probe is inner to use resistant to elevated temperatures glass-ceramic fibrous paper heat insulation; The reflection probe bottom is corresponding with the waterway measuring port owing to offering unthreaded hole; Make incident optical energy reach each item performance index that waterway bottom measuring port and reflected back grating beam split receiver record glass smoothly through popping one's head in down; There is a fixed difference difference to exist and probe is outside with probe inside; It is heat insulation that therefore a coated glass is installed at unthreaded hole place, reflection probe bottom, and coated glass does not influence the degree of accuracy of reflection probe to glass optics performance parameter value; The main optical device installation position design cavity and the insulating of reflection probe prevent that outside high temperature from getting into the damage optical device, and the design temperature sensor at grating beam splitting receiver place is monitored the inner real time temperature of optic probe at any time.Shell 34 bottoms also are provided with infrared temperature probe 35 and optics Thicknesser probe 36; Infrared temperature probe 35 is gathered the infrared ray that coated glass radiates; Convert light signal into electric signal through infrared temperature probe 36 and reach main control computer again; Be temperature through a series of processing with this electrical signal conversion then, so can obtain the Temperature Distribution of each point on the coated glass; Optics Thicknesser probe 36 sends light to coated glass, and receives the luminous energy of returning that is reflected and handle the thickness that obtains coated glass through main control computer.Integrating sphere 313 light exit places are provided with the optical gate mechanism 314 of being in the light; As shown in Figure 8; The optical gate mechanism 314 of being in the light comprises steering wheel installing plate 315, steering wheel 316 and light barrier 317; Send instruction by control system and give steering wheel 316, steering wheel 316 main axis rotation 90 degree, drive light barrier 317 rotates to integrating sphere and blocks light outlets for 313 mouthfuls.
The crucial part of the utility model is to be installed in temperature and distributes performance detection systems such as color, Temperature Distribution and thickness distribution up to on-line measurement coated glass reflectance spectrum under 600 ℃ the zone.The utility model can be installed in the A0 zone of closing on coating film area, and coating process control department is closed in this zone, and the feedback time of data is by foreshortening in original 20 minutes-30 minutes in 5 fens kinds.Because the multiple performance parameter relevant with coating process can in time feed back to coating process control department; Make the coating process personnel can in time know the correlated performance parameter of coating film on glass; In time adjust the technological parameter of production line; So that reach the optimum efficiency of glass production quality, reduce the scrappage on the glass production line, improved production efficiency greatly.
The both lateral sides temperature difference requirement in floatation glass production line A0 zone less than 3 ° of C about; Glass tape temperature under the A0 zone plate should be higher than 6 ° of C-10 ° C of temperature on the plate; Later on temperature should be higher than temperature on the plate equally under each section plate, to adapt to the heat that the production line live-roller gear is taken away, guarantee on the glass plate as far as possible and plate under identical and glass tape two ends limit portion to the centre position of temperature temperature difference control within the specific limits; Temperature is unusual important index in coating process; Temperature variation directly causes the variation of plated film rete, if excessive temperature differentials will directly influence distortion, bending that coating quality and glass tape possibly occur, causes glass to burst when serious; The utility model can monitor in real time glass laterally, Temperature Distribution situation longitudinally, in time to coating process control department feedback glass tape Temperature Distribution situation.
Above-mentioned example just is used to explain the utility model, and the embodiment of the utility model is not limited to these examples, and the various embodiments that meet the utility model thought that those skilled in the art made are all within the protection domain of the utility model.
Claims (10)
1. rete on-line measurement device under the floatation glass production line high-temperature area; It is characterized in that; Comprise the waterway that is arranged on the annealing kiln internal upper part, below waterway, move under the drive of glass to be checked glass delivery roll in annealing kiln, be provided with measuring mechanism in the waterway across production line; The frame of measuring mechanism is provided with can be along the laterally mobile probe of production line; Waterway bottom has several measuring port that supplies light that probe sends and the light that is received by probe through the glass plate reflection to pass through, and a side also is provided with probe calibration platform on the waterway, is placed with the reflecting glass plate of known reflectivity on this probe calibration platform; Successively mobile probe utilizes the light intensity that obtains before and after the probe to change the reflectance that obtains glass to be checked to reflecting glass plate and glass to be checked place.
2. rete on-line measurement device under the floatation glass production line high-temperature area as claimed in claim 1; It is characterized in that the glass to be checked height of living in the reflecting glass plate height of placing on the said probe calibration platform of living in and the said annealing kiln on the glass delivery roll is identical.
3. rete on-line measurement device under the floatation glass production line high-temperature area as claimed in claim 1; It is characterized in that; Said waterway comprises inside and outside two-layer housing; Space between the inside and outside two-layer housing is a water circulation channel, and said measuring mechanism is arranged in the confined space in the inner housing, and shell body is provided with cooling water intake and the cooling water outlet that is communicated with water circulation channel.
4. rete on-line measurement device is characterized in that under the floatation glass production line high-temperature area as claimed in claim 3, and said shell body outside surface also is provided with heat-insulation layer.
5. rete on-line measurement device under the floatation glass production line high-temperature area as claimed in claim 1; It is characterized in that; Said waterway measuring port place also is provided with the measuring port guard mechanism; This measuring port guard mechanism comprises installation base plate, stepper motor, shaft coupling, screw mandrel, blocks assembly, slide block and guide rail; The measuring port guard mechanism is installed on measuring port place, waterway bottom through base plate is installed, and stepper motor links to each other with screw mandrel one end through shaft coupling, the leading screw other end with block assembly and be threaded; Block assembly and be installed on the slide block and and be located on the guide rail, block assembly and can move along the guide rail direction and open or close said measuring port along with screw mandrel rotates through slider frame.
6. rete on-line measurement device under the floatation glass production line high-temperature area as claimed in claim 1; It is characterized in that; Said probe comprises shell, and shell is provided with unthreaded hole, is provided with light source, integrating sphere, parallel light tube and grating beam splitting receiver in the shell; Integrating sphere sends through light source and surveys the glass pane surface of light below said unthreaded hole is mapped to probe, after the luminous energy after the glass plate reflection gets into the beam split of grating beam splitting receiver through parallel light tube, signal is transferred to main control computer.
7. rete on-line measurement device under the floatation glass production line high-temperature area as claimed in claim 6; It is characterized in that; Also be connected with a grating beam splitting receiver on the said integrating sphere, the light that light source sends gets in integrating sphere behind this grating beam splitting receiver reference signal transmission to main control computer.
8. rete on-line measurement device is characterized in that under the floatation glass production line high-temperature area as claimed in claim 7, and said integrating sphere light exit place is provided with the optical gate mechanism of being in the light.
9. rete on-line measurement device is characterized in that under the floatation glass production line high-temperature area as claimed in claim 6, and said inner surface of outer cover is provided with resistant to elevated temperatures glass-ceramic fibrous paper.
10. rete on-line measurement device is characterized in that under the floatation glass production line high-temperature area as claimed in claim 9, and said unthreaded hole place is equipped with heat-protecting glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201246005U CN202501874U (en) | 2012-03-29 | 2012-03-29 | Online measuring device for film layer under high temperature region on float glass production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201246005U CN202501874U (en) | 2012-03-29 | 2012-03-29 | Online measuring device for film layer under high temperature region on float glass production line |
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| CN202501874U true CN202501874U (en) | 2012-10-24 |
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| CN2012201246005U Expired - Fee Related CN202501874U (en) | 2012-03-29 | 2012-03-29 | Online measuring device for film layer under high temperature region on float glass production line |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852427A (en) * | 2014-03-07 | 2014-06-11 | 昆山胜泽光电科技有限公司 | System and method for online measuring color and reflectance of glass |
| CN104198046A (en) * | 2014-08-04 | 2014-12-10 | 蚌埠凯盛工程技术有限公司 | Temperature measuring mechanism below movable glass plate |
| CN109913833A (en) * | 2017-12-13 | 2019-06-21 | 湘潭宏大真空技术股份有限公司 | Metal MO film continuous magnetron sputtering production line |
| CN109913846A (en) * | 2017-12-13 | 2019-06-21 | 湘潭宏大真空技术股份有限公司 | Multi-purpose metal film vacuum coating production line |
| CN109912229A (en) * | 2017-12-13 | 2019-06-21 | 湘潭宏大真空技术股份有限公司 | Large area AZO coating film on glass production line |
| CN110412057A (en) * | 2019-09-06 | 2019-11-05 | 中建材（蚌埠）光电材料有限公司 | A kind of free movable type observation glass-board surface mechanism |
| CN111043971A (en) * | 2019-11-20 | 2020-04-21 | 苏州市灵通玻璃制品有限公司 | Method for improving qualified rate of flat panel manufactured by float glass |
| CN112782197A (en) * | 2021-01-06 | 2021-05-11 | 蚌埠凯盛工程技术有限公司 | Online monitoring device for annealing kiln fried plate |
-
2012
- 2012-03-29 CN CN2012201246005U patent/CN202501874U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852427A (en) * | 2014-03-07 | 2014-06-11 | 昆山胜泽光电科技有限公司 | System and method for online measuring color and reflectance of glass |
| CN104198046A (en) * | 2014-08-04 | 2014-12-10 | 蚌埠凯盛工程技术有限公司 | Temperature measuring mechanism below movable glass plate |
| CN109913833A (en) * | 2017-12-13 | 2019-06-21 | 湘潭宏大真空技术股份有限公司 | Metal MO film continuous magnetron sputtering production line |
| CN109913846A (en) * | 2017-12-13 | 2019-06-21 | 湘潭宏大真空技术股份有限公司 | Multi-purpose metal film vacuum coating production line |
| CN109912229A (en) * | 2017-12-13 | 2019-06-21 | 湘潭宏大真空技术股份有限公司 | Large area AZO coating film on glass production line |
| CN110412057A (en) * | 2019-09-06 | 2019-11-05 | 中建材（蚌埠）光电材料有限公司 | A kind of free movable type observation glass-board surface mechanism |
| CN111043971A (en) * | 2019-11-20 | 2020-04-21 | 苏州市灵通玻璃制品有限公司 | Method for improving qualified rate of flat panel manufactured by float glass |
| CN112782197A (en) * | 2021-01-06 | 2021-05-11 | 蚌埠凯盛工程技术有限公司 | Online monitoring device for annealing kiln fried plate |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20180329 |