CN101475304A - Back bolt type vacuum glass and manufacturing method thereof - Google Patents
Back bolt type vacuum glass and manufacturing method thereof Download PDFInfo
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- CN101475304A CN101475304A CNA2009100763149A CN200910076314A CN101475304A CN 101475304 A CN101475304 A CN 101475304A CN A2009100763149 A CNA2009100763149 A CN A2009100763149A CN 200910076314 A CN200910076314 A CN 200910076314A CN 101475304 A CN101475304 A CN 101475304A
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Abstract
The invention relates to back-bolt type vacuum glass and a manufacturing method thereof. The back-bolt type vacuum glass comprises at least two layers of toughened glass, a vacuum layer is arranged between toughened glass substrates, the periphery of the vacuum glass is subjected to vacuum hermetic seal by using dark colored low melting glass with infrared heat absorption characteristics, and the middle of the vacuum glass is provided with a support. The back of one layer of substrate glass is provided with a tapered hole and then toughened so as to anchor a back bolt for fixing; the dark colored low melting glass on the periphery is the low melting glass with infrared absorption characteristics; and an interlayer between the other layer of toughened substrate glass and the tapered hole is sealed by a dark colored low melting glass ring. The vacuum glass and the manufacturing method achieve application of the vacuum glass to point connected full glass curtain wall (an access type full glass curtain wall).
Description
Technical field
The present invention relates to the vacuum glass technical field, relate in particular to back bolt type vacuum glass and the manufacture method that is used to make back bolt type vacuum glass.
Background technology
Being the sound insulation that improves windowpane, performance such as heat insulation, having proposed a kind of manufacture method of vacuum glass in the prior art, generally is exactly that two substrates are fastened, and the periphery in the slit seals, and then sealing ply inside vacuum pumping is made.Now institute generally the double glazing panel of use be exactly that the vacuum glass faceplate that vacuum layer forms is set between the layer glass substrate.
The scheme of multiple manufacturing vacuum glass faceplate has been proposed in the prior art, as application number is that 200410029896.2 exercise questions are described for the Chinese patent application of " the edge heating means of vacuum glass and the vacuum glass that adopts this method to make ", prior art seals with low melting glass in two glass substrate edges when the processing vacuum glass faceplate.When sealing, generally form high temperature and heat the face glass integral body that is coated with low melting glass with microwave or nichrome wire, at high temperature, low melting glass melts and two glass substrates can be sealed.
But the inevitable defective that exists of above-mentioned technology is: can't be used for a connection full glass curtain wall (overlap-connected full glass curtain wall), the transparent characteristic that can't make full use of glass realizes the interchange and the fusion of buildings interior or exterior space; If with above-mentioned vacuum glass punching, the problem that can leak air on the one hand causes the vacuum forfeiture, so that lose the heat preservation and soundproof performance fully; On the other hand, there is the web member leak outside, and can sees in the glass curtain wall outward appearance and the vestige of fastening piece to influence the artistic expression of whole building at glass outer surface.In addition, microwave and nichrome wire are difficult to heat common low melting glass.The interpolation absorbing material can have influence on performances such as the sealing strength of low melting glass, the wetting property that flows again in low melting glass, is difficult to processing and uses.Directly during heat, not only heated low melting glass, also heated whole glass substrate simultaneously, this has caused the performance of glass substrate undoubtedly and has had a strong impact on, and particularly high temperature has produced and removed steelinh, and the performance of vacuum glass faceplate is significantly descended.
Summary of the invention
The purpose of this invention is to provide back bolt type vacuum glass and the manufacture method that is used to make back bolt type vacuum glass, to realize the application of vacuum glass on a connection full glass curtain wall (overlap-connected full glass curtain wall).
Bolt type vacuum glass of the present invention comprises two-layer at least toughened glass, is vacuum layer between the reinforced glass substrate, and periphery carries out the vacuum tight sealing-in with glass, and the centre is provided with upholder.It is characterized in that: wherein one deck base plate glass is opened tempering behind the tapered hole, is fixed so that anchor into back of the body bolt; The used dark low melting glass of periphery is to have the low melting glass that absorbs the infrared rays characteristic; The upholder surface scribbles dark low melting glass.
Perhaps another layer tempering base plate glass is opened the hole at the correspondence position of tapered hole, and this through-hole diameter is not less than tapered hole, and the interlayer between through hole and the tapered hole carries out the vacuum tight sealing-in with dark low melting glass ring.
Perhaps one deck tempering base plate glass is kept perfectly; Another laminar substrate glass is opened tempering behind the tapered hole away from the one side of this layer toughened glass, is fixed so that anchor into back of the body bolt; Interlayer between another layer tempering base plate glass and the tapered hole carries out sealing-in with dark low melting glass ring.
Perhaps one deck tempering base plate glass is kept perfectly; Have conical through-hole on another layer tempering base plate glass, this through hole is towards the diameter maximum of another layer tempering base plate glass one side, interlayer between through hole and another layer tempering base plate glass carries out the vacuum tight sealing-in with dark low melting glass ring, and tapered hole is fixed so that anchor into back of the body bolt.
The manufacture method of above-mentioned back bolt type vacuum glass is characterised in that, comprising:
Step 1, with dark low melting glass be arranged on the edge of two-layer reinforced glass substrate and tapered hole around, the upholder that the surface scribbles dark low melting glass disperses to lay in described reinforced glass substrate; Subassembly integral body is placed in the vacuum chamber;
Step 2, on described subassembly, apply infrared emanation, the dark low melting glass in the described subassembly is heated;
Step 3, after described dark low melting glass is heated fusing, weaken so that stop to apply infrared emanation, the dark low melting glass cooling after the fusing is condensed, and is connected with described toughened glass and toughened glass sealing; After being lower than 100 ℃, temperature in vacuum chamber, takes out.
Also comprise between further described step 1 and the step 2: with described substrate and the last sealing thing that is provided with thereof, integral body is heated to and is not higher than 400 ℃.
Further described step 2 can also for: on described subassembly, apply infrared emanation, described dark low melting glass is heated to is not higher than 600 ℃ of melt-sealed.
Perhaps the manufacture method of above-mentioned back bolt type vacuum glass is characterised in that, comprising: through hole is set on reinforced glass substrate; In through-hole side the sealing thing is set, in abutting connection with the through hole setting; Described zone of heating is arranged on the side of described sealing layer away from described reinforced glass substrate;
After being formed sealing ply by sealing-in between the two-layer at least described reinforced glass substrate, utilize extraction pipe to pass through described through hole extracting air;
In the process of extracting air, on the zone of heating of described through hole arranged outside, apply infrared emanation, the sealing layer that described through hole is provided with heats;
Sealing layer when described through hole is heated fusing, and after reaching required vacuum tightness between reinforced glass substrate, weaken so that stop to apply infrared emanation, and push the zone of heating in the through hole outside, sealing layer cooling after the fusing condensed described through hole sealing, and the zone of heating that is pressed forms the plane outside agglomerative sealing layer.
Further described through hole is a stepped hole, and described sealing layer and described zone of heating are arranged in the step of described stepped hole.
Further described sealing layer is specially dark low melting glass.
Further comprise: between each reinforced glass substrate of sealing-in, getter is set.
For achieving the above object, the invention provides back bolt type vacuum glass, comprise two-layer at least toughened glass, is vacuum layer between the reinforced glass substrate, and periphery carries out the vacuum tight sealing-in with dark low melting glass, and the centre is provided with upholder; Wherein, tempering behind the tapered hole is opened at a, described one deck base plate glass back side, is fixed so that anchor into back of the body bolt, as shown in Figure 1; The correspondence position of another layer tempering base plate glass has through hole, and this through-hole diameter is not less than tapered hole, and the interlayer between through hole and the tapered hole carries out the vacuum tight sealing-in with dark low melting glass ring; B, described one deck tempering base plate glass are kept perfectly; Another laminar substrate glass back is opened tempering behind the tapered hole, is fixed so that anchor into back of the body bolt, and the interlayer between another layer tempering base plate glass and the tapered hole carries out sealing-in with dark low melting glass ring, as shown in Figure 2; C, described one deck tempering base plate glass are kept perfectly; Have conical through-hole on another layer tempering base plate glass, this through hole is towards the diameter maximum of another layer glass one side, interlayer between through hole and another layer tempering base plate glass carries out the vacuum tight sealing-in with dark low melting glass ring, and tapered hole is so that anchoring into back of the body bolt is fixed, as shown in Figure 3.
During installation, back of the body bolt is inserted in the hole on glass, tighten up nut, the pad that expanded head part divides is clamp-oned the expansion head, finishes back bolt type bolt fixing glass.The tetragon vacuum glass faceplate of some connection curtain wall can adopt 4 connections, have according to the time also can adopt 6 connections; The trilateral vacuum glass faceplate can adopt 3 connections.The distance of vacuum glass faceplate connecting hole limit and edges of boards distance should not be less than 70 millimeters.Point connection curtain wall adopts 4 connections generally speaking, after adjacent two 4 web plates change 6 web plates into, maximal bending moment is transferred to the bearing of 6 web plates by the span centre of 4 web plates, and numerical value is close, bearing capacity does not significantly improve, but mid-span deflection can significantly reduce, so, can adopt 4 of monolithics to connect vacuum glass generally speaking; When amount of deflection is excessive, can connects hollow plate glass with adjacent two 4 and change one 6 connection hollow plate glass into.
For achieving the above object, the present invention provides a kind of manufacture method that is used to make back bolt type vacuum glass again, comprising:
Step 1, with dark low melting glass be arranged on the edge of two-layer reinforced glass substrate and through hole around, the upholder that the surface scribbles dark low melting glass disperses to lay in described reinforced glass substrate; Subassembly integral body is placed in the vacuum chamber;
Step 2, on described subassembly, apply infrared emanation, the dark low melting glass in the described subassembly is heated;
Step 3, after described dark low melting glass is heated fusing, weaken so that stop to apply infrared emanation, the dark low melting glass cooling after the fusing is condensed, and is connected with described toughened glass and toughened glass sealing; After being lower than 100 ℃, temperature in vacuum chamber, takes out.
By above technical scheme as can be known, the present invention adopts the technique means with the dark low melting glass of infrared emanation heat fused, when having overcome the prior art heating whole toughened glass is heated and reduces the technical problem of toughened glass degree of the temper.The present invention is far superior to heats to the transparent toughened glass substrate to the heats of dark low melting glass, avoided whole toughened glass is heated and degree of the temper decline that produces even the problem that disappears, effectively guaranteed the performance of toughened glass in the back bolt type vacuum glass, and implementation method easy, be easy to control.
Also in conjunction with the accompanying drawings the present invention is described in further detail below by specific embodiment.
Description of drawings
Fig. 1 is the structural representation of back bolt type vacuum glass specific embodiment one of the present invention;
Fig. 2 is the structural representation of back bolt type vacuum glass specific embodiment two of the present invention;
Fig. 3 is the structural representation of back bolt type vacuum glass specific embodiment three of the present invention;
Fig. 4 is the schema of the concrete manufacture method embodiment one of back bolt type vacuum glass of the present invention;
Fig. 5 is the schema of the concrete manufacture method embodiment two of back bolt type vacuum glass of the present invention;
Fig. 6 is the structural representation of the used sealing thing of back bolt type vacuum glass of the present invention.
Embodiment
Back bolt type vacuum glass specific embodiment one
Be illustrated in figure 1 as the structural representation of back bolt type vacuum glass specific embodiment one.Open tapered hole 20 back tempering at the back side of base plate glass 10, fixed so that anchor into back of the body bolt; The correspondence position of another layer tempering base plate glass 40 is opened hole 50, and the diameter of this through hole 50 is not less than the diameter of tapered hole 20; The dark low melting glass ring 70 of interlayer 60 usefulness between through hole 50 and the tapered hole 20 carries out the vacuum tight sealing-in; Tempering base plate glass 10 carries out the vacuum tight sealing-in with the periphery of tempering base plate glass 40 with dark low melting glass 70; Tempering base plate glass 10 is provided with upholder 80 with the centre of tempering base plate glass 40;
Back bolt type vacuum glass specific embodiment two
Be illustrated in figure 2 as the structural representation of back bolt type vacuum glass specific embodiment two, tempering base plate glass 10 is kept perfectly; Base plate glass 40 back sides have tapered hole 20 back tempering, are fixed so that anchor into back of the body bolt; The dark low melting glass ring 70 of interlayer 60 usefulness between tempering base plate glass 10 and the tapered hole 20 carries out the vacuum tight sealing-in in case of necessity; Tempering base plate glass 10 carries out the vacuum tight sealing-in with the periphery of tempering base plate glass 40 with dark low melting glass 70; Tempering base plate glass 10 is provided with upholder 80 with the centre of tempering base plate glass 40;
Back bolt type vacuum glass specific embodiment three
Be illustrated in figure 3 as the structural representation of back bolt type vacuum glass specific embodiment three, tempering base plate glass 10 is kept perfectly; Open conical through-hole 20 on the tempering base plate glass 40, this through hole 20 is towards the diameter maximum of tempering base plate glass 10 1 sides, the dark low melting glass ring 70 of interlayer 60 usefulness between through hole 20 and the tempering base plate glass 10 carries out the vacuum tight sealing-in, tapered hole 20 is so that anchoring into back of the body bolt is fixed, and tempering base plate glass 10 carries out the vacuum tight sealing-in with the periphery of tempering base plate glass 40 with dark low melting glass 70; Tempering base plate glass 10 is provided with upholder 80 with the centre of tempering base plate glass 40.
The concrete manufacture method embodiment one of back bolt type vacuum glass
Be illustrated in figure 4 as the schema of the concrete manufacture method embodiment one of back bolt type vacuum glass of the present invention, this method is applicable in vacuum chamber the layer glass substrate is sealed to form vacuum glass faceplate.This method specifically comprises the steps:
In the present embodiment, employing is with the technique means of the dark low melting glass 70 of infrared emanation heat fused, when having overcome the prior art heating whole tempering base plate glass 10 and tempering base plate glass 40 heated and reduces the technical problem of toughened glass degree of the temper.The present invention is far superior to heats to transparent tempering base plate glass 10 and tempering base plate glass 40 to the heats of dark low melting glass 70, avoided whole toughened glass is heated and degree of the temper decline that produces even the problem that disappears, effectively guaranteed the performance of toughened glass in the back bolt type vacuum glass, and implementation method easy, be easy to control.Reinforced glass substrate has only experienced once local moment and has not been higher than 600 ℃ pyroprocess in whole process, therefore can reduce to add the heat sealing process to greatest extent to the glass substrate Effect on Performance, has avoided glass substrate to be removed tempering and degradation.
On the basis of the foregoing description one, can be further between step 10 and the step 20 with each reinforced glass substrate and on the upholder 80 that is provided with and dark low melting glass 70 integral body preheat and be not higher than 400 ℃.
The concrete manufacture method embodiment two of back bolt type vacuum glass
Be illustrated in figure 3 as the schema of the manufacture method specific embodiment two of back bolt type vacuum glass of the present invention, present embodiment in antivacuum indoor enforcement, further increases following steps based on the foregoing description one:
The technical scheme of present embodiment efficiently solves the problem of the most advanced and sophisticated rapid wear of existing vacuum-sealing mouth place formation.In the prior art, formed the tip at extraction pipe one end in the extraction pipe of sealed-off extracting air, this tip is the position of stress concentration, also is to be subject to extraneous collision and the position of damage.Prior art heats whole reinforced glass substrate and sealing material because of whole, thus be difficult to controllably carry out local heating in the through hole, to avoid most advanced and sophisticated appearance.
In the process that present embodiment vacuumizes, before sealing, can also further between the reinforced glass substrate of sealing, getter be set, with the vacuum tightness of further raising reinforced glass substrate inside.
Sealing thing 90 embodiment: be illustrated in figure 6 as the structural representation of sealing thing 90 specific embodiments of the present invention, this sealing thing 90 comprises one deck sealing layer 91 and one deck zone of heating 92 at least at least, and sealing layer 91 is established with zone of heating 92 is folded mutually.Sealing thing in the present embodiment goes in the manufacture method of back bolt type vacuum glass of the present invention.Zone of heating 92 materials can be iron or nickel or iron-nickel alloy, and sealing layer 91 can be specially dark low melting glass.
The sealing thing of present embodiment can independently be manufactured, and becomes a kind of solid components, adds in sealing-in to be placed into the position that glass substrate is treated sealing-in man-hour again.Relatively, prior art is coated on the glass substrate as the sealing thing after the glass powder with low melting point modulation can only being become slurry usually, as sealing-in frame or upholder, then fastens another piece glass substrate again, the reheat sealing-in, and can not be processed into the sealing-in frame or the upholder of solid form independently.Therefore, the technical scheme of present embodiment is simpler than the prior art operation.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1, back bolt type vacuum glass comprises two-layer at least toughened glass, is vacuum layer between the reinforced glass substrate, and periphery carries out the vacuum tight sealing-in with glass, and the centre is provided with upholder; It is characterized in that: wherein one deck base plate glass is opened tempering behind the tapered hole, is fixed so that anchor into back of the body bolt; The used glass of periphery is to have the dark low melting glass that absorbs the infrared rays characteristic; The upholder surface scribbles dark low melting glass.
2, back bolt type vacuum glass according to claim 1, it is characterized in that: another layer tempering base plate glass is opened the hole at the correspondence position of tapered hole, this through-hole diameter is not less than tapered hole, and the interlayer between through hole and the tapered hole carries out the vacuum tight sealing-in with dark low melting glass ring.
3, back bolt type vacuum glass according to claim 1 is characterized in that: one deck tempering base plate glass is kept perfectly; Another laminar substrate glass is opened tempering behind the tapered hole away from the one side of this layer toughened glass, is fixed so that anchor into back of the body bolt; Interlayer between another layer tempering base plate glass and the tapered hole carries out sealing-in with dark low melting glass ring.
4, back bolt type vacuum glass according to claim 1 is characterized in that: one deck tempering base plate glass is kept perfectly; Have conical through-hole on another layer tempering base plate glass, this through hole is towards the diameter maximum of another layer tempering base plate glass one side, interlayer between through hole and another layer tempering base plate glass carries out the vacuum tight sealing-in with dark low melting glass ring, and tapered hole is fixed so that anchor into back of the body bolt.
5, the manufacture method according to the described back bolt type vacuum glass of claim 1 is characterised in that, comprising:
Step 1, with dark low melting glass be arranged on the edge of two-layer reinforced glass substrate and tapered hole around, the upholder that the surface scribbles dark low melting glass disperses to lay in described reinforced glass substrate; Subassembly integral body is placed in the vacuum chamber;
Step 2, on described subassembly, apply infrared emanation, the dark low melting glass in the described subassembly is heated;
Step 3, after described dark low melting glass is heated fusing, weaken so that stop to apply infrared emanation, the dark low melting glass cooling after the fusing is condensed, and is connected with described toughened glass and toughened glass sealing; After being lower than 100 ℃, temperature in vacuum chamber, takes out.
6, according to the manufacture method of the described back bolt type vacuum glass of claim 5, it is characterized in that, also comprise between described step 1 and the step 2: with described substrate and the last sealing thing that is provided with thereof, integral body is heated to and is not higher than 400 ℃.
According to the manufacture method of the described back bolt type vacuum glass of claim 5, it is characterized in that 7, described step 2 also is: on described subassembly, apply infrared emanation, described dark low melting glass is heated to is not higher than 600 ℃ of melt-sealed.
8, according to the manufacture method of the described back bolt type vacuum glass of claim 1, it is characterized in that, comprising:
Through hole is set on reinforced glass substrate; In through-hole side the sealing thing is set, in abutting connection with the through hole setting; Described zone of heating is arranged on the side of described sealing layer away from described reinforced glass substrate;
After being formed sealing ply by sealing-in between the two-layer at least described reinforced glass substrate, utilize extraction pipe to pass through described through hole extracting air;
In the process of extracting air, on the zone of heating of described through hole arranged outside, apply infrared emanation, the sealing layer that described through hole is provided with heats;
Sealing layer when described through hole is heated fusing, and after reaching required vacuum tightness between reinforced glass substrate, weaken so that stop to apply infrared emanation, and push the zone of heating in the through hole outside, sealing layer cooling after the fusing condensed described through hole sealing, and the zone of heating that is pressed forms the plane outside agglomerative sealing layer.
9. the manufacture method of described back bolt type vacuum glass according to Claim 8, it is characterized in that: described through hole is a stepped hole, described sealing layer and described zone of heating are arranged in the step of described stepped hole.
10. according to the manufacture method of the described back bolt type vacuum glass of claim 1, it is characterized in that: also be included between each reinforced glass substrate of sealing-in getter is set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100763149A CN101475304B (en) | 2009-01-09 | 2009-01-09 | Back bolt type vacuum glass and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100763149A CN101475304B (en) | 2009-01-09 | 2009-01-09 | Back bolt type vacuum glass and manufacturing method thereof |
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| CN101475304A true CN101475304A (en) | 2009-07-08 |
| CN101475304B CN101475304B (en) | 2012-03-28 |
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| CN2009100763149A Expired - Fee Related CN101475304B (en) | 2009-01-09 | 2009-01-09 | Back bolt type vacuum glass and manufacturing method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249561A (en) * | 2010-12-10 | 2011-11-23 | 洛阳兰迪玻璃机器有限公司 | Vacuum glass with mounting holes |
| CN103382079A (en) * | 2013-06-27 | 2013-11-06 | 中国建筑材料科学研究总院 | Sealing method and preparation method of toughened vacuum glass and toughened vacuum glass |
| CN110316978A (en) * | 2018-03-28 | 2019-10-11 | 许浒 | Structure function one photovoltaic vacuum glass and preparation method thereof |
| CN110316980A (en) * | 2018-03-28 | 2019-10-11 | 许浒 | Structure function one toughened vacuum glass and preparation method thereof |
| CN110316981A (en) * | 2018-03-28 | 2019-10-11 | 许浒 | Production method and the photovoltaic vacuum ceramics of photovoltaic vacuum ceramics |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004182567A (en) * | 2002-12-05 | 2004-07-02 | Nippon Sheet Glass Co Ltd | Method for manufacturing vacuum glass panel and vacuum glass panel manufactured by using the method |
| CN100337009C (en) * | 2003-09-23 | 2007-09-12 | 京东方科技集团股份有限公司 | Double sided toughening vacuum glass and mannfacturing method |
| CN201367812Y (en) * | 2009-01-09 | 2009-12-23 | 北京工业大学 | Back-bolt type vacuum glass |
-
2009
- 2009-01-09 CN CN2009100763149A patent/CN101475304B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249561A (en) * | 2010-12-10 | 2011-11-23 | 洛阳兰迪玻璃机器有限公司 | Vacuum glass with mounting holes |
| CN102249561B (en) * | 2010-12-10 | 2013-10-16 | 洛阳兰迪玻璃机器股份有限公司 | Vacuum glass with mounting holes |
| CN103382079A (en) * | 2013-06-27 | 2013-11-06 | 中国建筑材料科学研究总院 | Sealing method and preparation method of toughened vacuum glass and toughened vacuum glass |
| CN103382079B (en) * | 2013-06-27 | 2015-10-14 | 中国建筑材料科学研究总院 | The method for sealing of toughened vacuum glass, preparation method and toughened vacuum glass |
| CN110316978A (en) * | 2018-03-28 | 2019-10-11 | 许浒 | Structure function one photovoltaic vacuum glass and preparation method thereof |
| CN110316980A (en) * | 2018-03-28 | 2019-10-11 | 许浒 | Structure function one toughened vacuum glass and preparation method thereof |
| CN110316981A (en) * | 2018-03-28 | 2019-10-11 | 许浒 | Production method and the photovoltaic vacuum ceramics of photovoltaic vacuum ceramics |
| CN110316980B (en) * | 2018-03-28 | 2021-11-19 | 许浒 | Structure-function integrated toughened vacuum glass and manufacturing method thereof |
| CN110316978B (en) * | 2018-03-28 | 2021-12-17 | 许浒 | Photovoltaic vacuum glass with integrated structure and function and manufacturing method thereof |
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