CN103420624A - Accommodating structure of vacuum glass getter and manufacture method of same - Google Patents
Accommodating structure of vacuum glass getter and manufacture method of same Download PDFInfo
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- CN103420624A CN103420624A CN2013102985662A CN201310298566A CN103420624A CN 103420624 A CN103420624 A CN 103420624A CN 2013102985662 A CN2013102985662 A CN 2013102985662A CN 201310298566 A CN201310298566 A CN 201310298566A CN 103420624 A CN103420624 A CN 103420624A
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Abstract
An accommodating structure of vacuum glass getter is characterized in that a hole is formed in the upper glass of vacuum glass so as to form an extraction opening; a sealed groove is formed in the upper surface of the upper glass and in a position at the periphery of the extraction opening; a sealing cover is arranged on the sealed groove; the edge part of the sealing cover is inserted into the sealed groove; after the edges of the upper glass and lower glass are sealed, the vacuum glass getter is put into the extraction opening; the sealing cover is closed; metal solder is put into the sealed groove or onto the sealing cover; vacuum pumping and heating are perform at the extraction opening; the vacuum glass getter is activated automatically under the conditions of high temperature and high vacuum while the metal solder is molten into liquid due to high temperature; the liquid is kept in the sealed groove; the edge part of the sealing cover is immersed in the liquid; the extraction opening is sealed automatically according to the liquid seal principle; the vacuum glass getter is sealed in a vacuum layer; after temperature reduction, the liquid freezes, so as to realize airtightness sealing. According to the manufacture method provided by the invention, mass production can be realized, the production efficiency and qualification rates of vacuum glass can be greatly improved, and the manufacturing cost of the vacuum glass is lowered.
Description
Technical field
The invention belongs to the vacuum glass field, relate in particular to structure of arranging of a kind of vacuum glass getter and preparation method thereof.
Background technology
Existing vacuum glass generally is comprised of two or three blocks of sheet glass, glass surrounding low temperature glass solder edge sealing, and there is small upholder centre, makes to form between two blocks of glass the thin vacuum layer of 0.1～0.2mm thickness by bleeding.Due to the heat transfer that there is no gas, transaudient, the internal surface of glass can have again transparent low thermal radiation film, so vacuum glass has well heat insulation and soundproof effect, is one of best energy-saving glass of performance.
The gordian technique of existing vacuum glass has: the one, and edge sealing, the 2nd, the laying of upholder, the 3rd, the acquisition of vacuum and maintaining.The major way that existing vacuum glass maintains vacuum is adopt electrodeless scolder edge sealing and lay getter in vacuum layer, getter is for obtaining high vacuum, there are the characteristics such as economic, easy, effective, lasting, play an important role for production long lifetime, vacuum glass highly reliable, the dominance energy.Because the vacuum layer space of vacuum glass is very little, glass is again transparent, also need to consider protection and the activation of getter, so lay getter in vacuum layer, be very difficult.The setting method of traditional getter in vacuum glass is at first under vacuum, that getter is packaged, then be positioned over and be opened in advance in groove on glass, at vacuum glass edge sealing, vacuumize, seal bleeding point after, recycling laser or infrared rays etc. are opened the encapsulation activated degasser of getter, and the shortcoming of this mode is the mechanical property that sealing of getter and the amount of laying complex process, getter are very little, affect attractive in appearance and glass.
Summary of the invention
Technical problem to be solved by this invention is the defect be for the structure of arranging existence of existing vacuum glass getter, structure of arranging of a kind of novel vacuum glass getter and preparation method thereof is provided, the making method technique of the structure of arranging of this vacuum glass getter is simple, the vacuum glass of made comprises that toughened vacuum glass can overcome in prior art the deficiency of laying getter, can effectively guarantee the condition of high vacuum degree of vacuum glass vacuum layer, extend the work-ing life of vacuum glass, and can improve the production efficiency containing the getter vacuum glass, reduce production costs.
In order to solve the problems of the technologies described above, the invention provides a kind of structure of arranging of vacuum glass getter, it is characterized in that: on the upper glass of vacuum glass, bleeding point is made in punching, prepare a sealing groove around the upper surface of upper glass, bleeding point, one sealing cover is arranged on described sealing groove, the limit section of described sealing cover inserts in described sealing groove, between described sealing cover and described sealing groove, is bleed-off passage, upper, after the lower-glass edge sealing, getter is put into to bleeding point, cover sealing cover, again brazing metal is put on described sealing groove or sealing cover, described bleeding point is vacuumized, and heating, at high temperature, automatic activation getter under high vacuum, high temperature makes described brazing metal be fused into liquid simultaneously, described liquid retention is in described sealing groove, the limit section of described sealing cover also is submerged in described liquid, utilize the hydraulic seal principle by described bleeding point self-sealing, described getter also is sealed in vacuum layer, after cooling, described liquid solidifies, realize airtight sealing.
Wherein, described getter comprises evaporable air-absorbing agent and nonevaporable getter.
Wherein, described getter is the various ways such as powdery, granular, banded, tubulose, ring-type, column.
Wherein, described getter is directly put into described bleeding point, or is contained in a container and puts into described bleeding point again.
Wherein, described sealing groove can be the annular recesses of arbitrary shape.
Further, described sealing groove is that the cross section concentric with described bleeding point is V-type or U-shaped annular recesses.
Wherein, the inner side edge of described sealing groove is lower than the upper surface of described upper glass.
Wherein, the internal surface of described sealing groove scribbles metal paste or electric slurry, when glass tempering or edge sealing on the internal surface of sintering at described sealing groove.
Wherein, the diameter of described sealing groove and sealing cover and highly preferably consider bleed-off passage and scolder sealed vol and determining.
Further, the top of described sealing cover is not higher than the upper surface of described upper glass.
Wherein, described sealing cover is preferably made by glass or metal, when described sealing cover is glass preferably by the metal paste sintering in the section of the limit of described sealing cover.
Further, described metal paste or electric slurry contribute to the welding between brazing metal and glass, and described metal paste serves as the transition layer between glass and brazing metal.
Further, described metal paste is comprised of metal powder, glass powder, organic resin and solvent etc., and described metal paste can adopt commercially available prod.
Wherein, described brazing metal comprises low-temperature metal scolder and solder, and described material is existing commercial commodity.
Further, the fusing point of described brazing metal is lower than the use temperature of fusing point or the binding agent of glass solder, and during the brazing metal fusing, glass solder or the binding agent of edge sealing remain unchanged.
Further, described brazing metal is shaped as powdery, strip, sheet or bulk, ring-type, tubulose etc.
Wherein, the height of described liquid is preferably close with the height of described sealing groove inner side edge.
Wherein, described vacuumizing and the bleeding point sealing can be carried out in batches in vacuum furnace, also can implement by monolithic; Can wholely heat glass, also can the local heating bleeding point.
Wherein, described heating, can adopt conventional heating, Infrared Heating, also can adopt induction heating, LASER HEATING, can also adopt microwave heating and other suitable heating unit or heater means.
Further, described heating, can heat bulk glass, also can the local heating bleeding point.
Wherein, described bleeding point, after brazing metal sealing, then is used sealant sealing, above seal gum, is trade mark or the metal finishing sheet of product, and seal gum can be protected brazing metal, can realize two seals to bleeding point again.
Further, described seal gum preferably has secret sealing, more preferably hot melt adhesive, hot-setting adhesive or two component sealing gum.
In order to solve the problems of the technologies described above, the invention provides the making method of the structure of arranging of above-mentioned vacuum glass getter, it comprises:
The first step, according to the size of required making bleeding point, on upper glass, bleeding point is made in boring;
Second step, make the sealing groove concentric with bleeding point at the upper surface of upper glass, according to the size of sealing groove, makes a sealing cover, and the limit section of sealing cover can insert in sealing groove;
The 3rd step, after upper and lower glazing gasket, put into getter bleeding point, cover sealing cover, then brazing metal is put on described sealing groove or sealing cover, and send in vacuum furnace;
The 4th step, to described heating under vacuum sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to the temperature of fusion of brazing metal more than; Getter automatic activation under high temperature, high vacuum, brazing metal also is fused into liquid; Liquid retention is in sealing groove, and the limit section of sealing cover also is submerged in liquid, and liquid is by the bleeding point self-sealing, and getter also is sealed in vacuum layer; Stop heating, lower the temperature with stove, after brazing metal solidifies, realize airtight sealing, open vacuum furnace, take out vacuum glass;
The 5th step is put into seal gum in bleeding point, Paste Product trade mark or metal finishing sheet on seal gum.
Wherein, described getter comprises evaporable air-absorbing agent and nonevaporable getter.
Wherein, described getter is the various ways such as powdery, band shape, tubulose, ring-type, cup-shaped.
Wherein, described getter is directly put into described bleeding point, or is contained in a container and puts into described bleeding point again.
Wherein, described sealing groove can be the annular recesses of arbitrary shape.
Further, described sealing groove is that the cross section concentric with described bleeding point is V-type or U-shaped annular recesses.
Wherein, the inner side edge of described sealing groove is lower than the upper surface of described upper glass.
Wherein, the internal surface of described sealing groove scribbles metal paste or electric slurry, when glass tempering or edge sealing on the internal surface of sintering at described sealing groove.
Wherein, the diameter of described sealing groove and sealing cover and highly preferably consider bleed-off passage and scolder sealed vol and determining.
Further, the top of described sealing cover is not higher than the upper surface of described upper glass.
Wherein, described sealing cover is preferably made by glass or metal, when described sealing cover is glass preferably by the metal paste sintering in the section of the limit of described sealing cover.
Further, described metal paste or electric slurry contribute to the welding between brazing metal and glass, and described metal paste serves as the transition layer between glass and brazing metal.
Further, described metal paste is comprised of metal powder, glass powder, organic resin and solvent etc., and described metal paste can adopt commercially available prod.
Wherein, described brazing metal comprises low-temperature metal scolder and solder, and described material is existing commercial commodity.
Further, the fusing point of described brazing metal is lower than the use temperature of fusing point or the binding agent of glass solder, and during the brazing metal fusing, glass solder or the binding agent of edge sealing remain unchanged.
Further, described brazing metal is shaped as powdery, strip, sheet or bulk, ring-type, tubulose etc.
Wherein, the height of described liquid is preferably close with the height of described sealing groove inner side edge.
Wherein, described vacuumizing and the bleeding point sealing can be carried out in batches in vacuum furnace, also can implement by monolithic; Can wholely heat glass, also can the local heating bleeding point.
Wherein, described heating, can adopt conventional heating, Infrared Heating, also can adopt induction heating, LASER HEATING, can also adopt microwave heating and other suitable heating unit or heater means.
Further, described heating, can heat bulk glass, also can the local heating bleeding point.
Wherein, described seal gum preferably has secret sealing, more preferably hot melt adhesive, hot-setting adhesive or two component sealing gum.
Beneficial effect of the present invention:
The structure of arranging of vacuum glass getter of the present invention, simple in structure, seal reliable, convenient for production, with low cost; Getter need to not sealed but directly be placed in bleeding point under vacuum, need on glass surface, not slot yet, and not only technique is simple, cost is low, and does not affect the mechanical property of glass and the outward appearance of vacuum glass; In vacuum oven under high temperature, high vacuum, direct activated degasser not only, and can effectively remove the getter surface adsorption gas, make getter regeneration, guaranteed the gettering ability of getter; Its space of bleeding point of the present invention comparatively speaking can be very large, so can lay more substantial getter, not only can make that the vacuum tightness of vacuum layer is higher but also the time that maintain is longer, thereby be conducive to improve heat insulation, the sound-proofing properties of vacuum glass, extend its work-ing life; Self-sealing in vacuum oven, can mass production, can greatly improve vacuum glass production efficiency and qualification rate, reduce production costs; The fusing point of brazing metal is easy to select, and can carry out the integral body heating and guarantee that toughened glass is unannealed toughened glass, realizes mass making toughened vacuum glass.
The accompanying drawing explanation
The structural representation of the structure of arranging that Fig. 1 is vacuum glass getter of the present invention;
The structural representation of the structure of arranging that Fig. 2 is another vacuum glass getter of the present invention.
In figure: 1. upper glass, 2. lower-glass, 3. brazing metal, 4. sealing groove, 5. sealing cover, 6. getter, 7. seal gum, 8. trade mark or tinsel.
Embodiment
Below adopt embodiment and accompanying drawing to describe embodiments of the present invention in detail, to the present invention, how the utilisation technology means solve technical problem whereby, and the implementation procedure of reaching technique effect can fully understand and implement according to this.
Embodiment 1: referring to Fig. 1, vacuum glass is comprised of upper glass 1 and lower-glass 2, bore a through hole and form bleeding point on upper glass 1, on the upper surface of upper glass 1, utilize hollow drill to make a U-shaped sealing groove 4 concentric with bleeding point, the inner side edge of sealing groove 4 is lower than the upper surface of upper glass 1; Make a sealing cover 5 according to the size of sealing groove 4, the limit section of sealing cover 5 can insert in sealing groove 4, and the height of sealing cover 5, lower than the upper surface of upper glass 1, is bleed-off passage between sealing cover 5 and sealing groove 4; Internal surface paint metals slurry by sealing groove 4, then send in annealing furnace and make upper and lower glass tempering, or directly utilize low temperature glass solder upper lower-glass after involution piece in the constant-pressure and high-temperature stove to carry out edge sealing, glass after edge sealing is from High Temperature Furnaces Heating Apparatus takes out, while hot getter 6 is put into to bleeding point, covered sealing cover 5, brazing metal 3 put into to sealing groove 4 as tin alloy or is placed on sealing cover 5, send in vacuum furnace with being about to glass, can once send into multiple pieces of glass; To the heating under vacuum sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to the temperature of fusion of brazing metal 3 tin alloys as more than 300 ℃; Getter automatic activation under high temperature, high vacuum, brazing metal 3 tin alloys are fused into liquid retention in sealing groove 4, and the limit section of sealing cover 5 also is submerged in liquid, and liquid is by the bleeding point self-sealing, and getter also is sealed in vacuum layer; Stop heating, lower the temperature with stove, brazing metal 3 tin alloys condense into solid, and bleeding point is realized to airtight sealing, open vacuum furnace, take out vacuum glass.
Embodiment 2: referring to Fig. 2, substantially the same manner as Example 1, difference is that sealing groove 4 changes the V-type groove into, and brazing metal 3 changes zinc alloy into, and brazing metal 3 condenses into after solid realizes airtight sealing to bleeding point, opens vacuum furnace, takes out vacuum glass.Put into while hot seal gum 7 as butyl rubber in bleeding point, the top covering product brand 8 of seal gum 7, the upper surface flush of trade mark 8 and upper glass 1.
All above-mentioned these intellecture properties of primary enforcement, do not set restriction this product innovation of other forms of enforcement and/or novel method.Those skilled in the art will utilize this important information, and foregoing is revised, to realize similar implementation status.But all modifications or transformation belong to the right of reservation based on product innovation of the present invention.
The above, be only preferred embodiment of the present invention, is not the present invention to be done to the restriction of other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. the structure of arranging of a vacuum glass getter, it is characterized in that: on the upper glass of vacuum glass, bleeding point is made in punching, prepare a sealing groove around the upper surface of upper glass, bleeding point, one sealing cover is arranged on described sealing groove, the limit section of described sealing cover inserts in described sealing groove, between described sealing cover and described sealing groove, is bleed-off passage, upper, after the lower-glass edge sealing, getter is put into to bleeding point, cover sealing cover, again brazing metal is put on described sealing groove or sealing cover, described bleeding point is vacuumized, and heating, at high temperature, automatic activation getter under high vacuum, high temperature makes described brazing metal be fused into liquid simultaneously, described liquid retention is in described sealing groove, the limit section of described sealing cover also is submerged in described liquid, utilize the hydraulic seal principle by described bleeding point self-sealing, described getter also is sealed in vacuum layer, after cooling, described liquid solidifies, realize airtight sealing.
2. the structure of arranging of vacuum glass getter as claimed in claim 1, it is characterized in that: described getter comprises evaporable air-absorbing agent and nonevaporable getter.
3. the structure of arranging of vacuum glass getter as claimed in claim 1, it is characterized in that: described getter can directly be put into described bleeding point, also can be contained in a container and put into described bleeding point again.
4. the structure of arranging of vacuum glass getter as claimed in claim 1, it is characterized in that: described sealing groove is that the cross section concentric with described bleeding point is V-type or U-shaped annular recesses.
5. the structure of arranging of vacuum glass getter as claimed in claim 1, it is characterized in that: the internal surface of described sealing groove scribbles metal paste.
6. the structure of arranging of vacuum glass getter as claimed in claim 1, it is characterized in that: described sealing cover is made by glass or metal, when described sealing cover is glass by the metal paste sintering in the section of the limit of described sealing cover.
7. the structure of arranging of vacuum glass getter as claimed in claim 1, it is characterized in that: described brazing metal comprises low-temperature metal scolder and solder.
8. the structure of arranging of vacuum glass getter as claimed in claim 1 is characterized in that: described to vacuumize with bleeding point sealing be to utilize process furnace whole heating glass or local heating bleeding point, carry out in batches or monolithic is implemented.
9. as the structure of arranging of the described vacuum glass getter of claim 1 to 8 any one, it is characterized in that: described bleeding point, after brazing metal sealing, then is used sealant sealing, above seal gum, is trade mark or the metal finishing sheet of product.
10. the making method of the structure of arranging of the described vacuum glass getter of claim 1 to 9 any one, is characterized in that, comprising:
The first step, according to the size of required making bleeding point, on upper glass, bleeding point is made in boring;
Second step, make the sealing groove concentric with bleeding point at the upper surface of upper glass, according to the size of sealing groove, makes a sealing cover, and the limit section of sealing cover can insert in sealing groove;
The 3rd step, after upper and lower glazing gasket, put into getter bleeding point, cover sealing cover, then brazing metal is put on sealing groove or sealing cover, and send in vacuum furnace;
The 4th step, to described heating under vacuum sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to the temperature of fusion of brazing metal more than; Getter automatic activation under high temperature, high vacuum, brazing metal also is fused into liquid; Liquid retention is in sealing groove, and the limit section of sealing cover also is submerged in liquid, and liquid is by the bleeding point self-sealing, and getter also is sealed in vacuum layer; Stop heating, lower the temperature with stove, after brazing metal solidifies, realize airtight sealing, open vacuum furnace, take out vacuum glass;
The 5th step is put into seal gum in bleeding point, Paste Product trade mark or metal finishing sheet on seal gum.
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| CN201310298566.2A CN103420624B (en) | 2013-07-17 | 2013-07-17 | Structure of arranging of vacuum glass getter and preparation method thereof |
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| CN201310298566.2A CN103420624B (en) | 2013-07-17 | 2013-07-17 | Structure of arranging of vacuum glass getter and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105859160A (en) * | 2016-05-18 | 2016-08-17 | 张曹 | Vacuum glass sealing structure of integrated getter and sealing method thereof |
| WO2018137354A1 (en) * | 2017-01-26 | 2018-08-02 | 连玉琦 | Vacuum glass and preparation process therefor |
| CN112441755A (en) * | 2020-11-25 | 2021-03-05 | 四川零能昊科技有限公司 | Activation method of built-in getter of vacuum glass, coating structure and packaging structure |
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| CN2522579Y (en) * | 2001-12-07 | 2002-11-27 | 唐健正 | Vacuum glass with getter |
| CN102079620A (en) * | 2009-11-27 | 2011-06-01 | 洛阳兰迪玻璃机器有限公司 | Closing method, closing structure and closing device for vacuum glass pumping hole |
| CN102976592A (en) * | 2012-10-06 | 2013-03-20 | 戴长虹 | Flat vacuum glass welded by using metal welding material and provided with strip frame edge sealing, and manufacturing method thereof |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2522579Y (en) * | 2001-12-07 | 2002-11-27 | 唐健正 | Vacuum glass with getter |
| CN102079620A (en) * | 2009-11-27 | 2011-06-01 | 洛阳兰迪玻璃机器有限公司 | Closing method, closing structure and closing device for vacuum glass pumping hole |
| CN102976592A (en) * | 2012-10-06 | 2013-03-20 | 戴长虹 | Flat vacuum glass welded by using metal welding material and provided with strip frame edge sealing, and manufacturing method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105859160A (en) * | 2016-05-18 | 2016-08-17 | 张曹 | Vacuum glass sealing structure of integrated getter and sealing method thereof |
| CN105859160B (en) * | 2016-05-18 | 2023-04-14 | 江苏延陵玻璃有限公司 | Getter-integrated vacuum glass sealing structure and sealing method thereof |
| WO2018137354A1 (en) * | 2017-01-26 | 2018-08-02 | 连玉琦 | Vacuum glass and preparation process therefor |
| CN110248907A (en) * | 2017-01-26 | 2019-09-17 | 连玉琦 | A kind of vacuum glass and preparation method thereof |
| CN112441755A (en) * | 2020-11-25 | 2021-03-05 | 四川零能昊科技有限公司 | Activation method of built-in getter of vacuum glass, coating structure and packaging structure |
| CN112441755B (en) * | 2020-11-25 | 2023-02-21 | 四川零能昊科技有限公司 | Activation method of built-in getter of vacuum glass, coating structure and packaging structure |
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