CN104746741A - Glass welded double-vacuum-layer composite vacuum plate and production method thereof - Google Patents
Glass welded double-vacuum-layer composite vacuum plate and production method thereof Download PDFInfo
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- CN104746741A CN104746741A CN201310721481.0A CN201310721481A CN104746741A CN 104746741 A CN104746741 A CN 104746741A CN 201310721481 A CN201310721481 A CN 201310721481A CN 104746741 A CN104746741 A CN 104746741A
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Abstract
The invention discloses a glass welded double-vacuum-layer composite vacuum plate. The double-vacuum-layer composite vacuum plate comprises a panel, core veneers and a vacuum cavity, and is characterized in that the panel is fixed at the upper outside surface of the vacuum cavity by either a welding way or a gluing way, the core veneers are placed at the inner bottom of the vacuum cavity, and the vacuum cavity is formed by welding a thin low carbon steel plate; the panel and/or the core veneers are used for providing additional strength to the vacuum cavity, and the vacuum cavity is hermetically welded by a glass solder at high vacuum and high temperature in a vacuum furnace, the coefficients of thermal expansion of the low carbon steel plate and the glass solder are matched, a clapboard is arranged in the vacuum cavity and is used for dividing the vacuum cavity into double vacuum layers, and supports are arranged in the vacuum layers and are separately made or directly formed on the vacuum cavity or the clapboard. A production method of the double-vacuum-layer composite vacuum plate provided by the invention is simple in process, and the strength, heat insulation, sound insulation, fire resistance and decorative function can be improved.
Description
Technical field
The present invention relates to energy-saving building technology field, particularly relate to two composite evacuated plate of vacuum layer of a kind of glass solder and preparation method thereof.
Background technology
Current building exterior wall heat preserving material used is divided into A level heat insulating material and B level heat insulating material, and the fireproof performance of A level heat insulating material is good, but its heat-insulating property, water resistance etc. are all lower than B level heat insulating material, and there is the problems such as price is high, complicated construction technique; B level heat insulating material has the advantages such as cost is low, good heat insulating, construction technology are ripe, but its durability is bad, heat resistance is poor, easy firing, a large amount of poison gas is not only discharged during burning, and spreading of big fire can be accelerated, so prohibit the use organic insulation material for exterior-wall heat insulation in highrise building and public building.Vacuum heat-insulating plate was applied to building heat preservation field in recent years, its major advantage be belong to A level heat insulating material, good heat insulating, thickness is thin, unit mass is light, but also have that obvious shortcoming is as low in vacuum bag poor air-tightness, puncture-resistant intensity, edge exists cold bridge, soon, easily rise bag, insulation life-span of vacuum decay is short etc.Therefore, building heat preservation needs the new A level heat insulating material researching and developing good heat insulating, long service life.
Applicant discloses a series of evacuated panel and preparation method thereof in July, 2013, although solve the contradiction and problems of the aspect such as fire prevention, insulation, application life that existing heat insulating material exists, but owing to directly metal sheet being welded together, so its edge exists obvious cold bridge, its heat-insulating property is made not reach optimum state.
Summary of the invention
technical problem to be solved by this invention is for existing building insulating board, warming plate, the defect that vacuum heat-insulating plate exists, two composite evacuated plate of vacuum layer of a kind of novel glass solder and preparation method thereof is provided, the preparation method technique of the two composite evacuated plate of vacuum layer of this glass solder is simple, the prepared composite evacuated plate of two vacuum layer can overcome existing insulating board, the deficiency of vacuum heat-insulating plate and warming plate, effectively can ensure the tightness of two composite evacuated plate of vacuum layer, increase the service life, and its intensity and heat insulation can be increased, sound insulation, fireproof performance, also there is good decorative effect simultaneously.
In order to solve the problems of the technologies described above, the invention provides the two composite evacuated plate of vacuum layer of a kind of glass solder, comprise panel, central layer and vacuum chamber, it is characterized in that described panel is fixed on the upper surface outside described vacuum chamber by welding or bonding mode, described central layer is placed on the bottom in described vacuum chamber, described vacuum chamber is welded by thin low carbon steel plate, described panel and or described central layer provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber high vacuum in vacuum drying oven, glass solder welded seal is utilized under high temperature, the coefficient of thermal expansion of described low carbon steel plate and described glass solder matches, a dividing plate is had in described vacuum chamber, described dividing plate forms two vacuum layer by being divided into two in described vacuum chamber, supporter is had in described vacuum layer, above support makes separately or directly formed on vacuum chamber or dividing plate or central layer.
In order to solve the problems of the technologies described above, the invention provides the preparation method of the two composite evacuated plate of vacuum layer of a kind of glass solder, it is characterized in that comprising the following steps:
The first step, make one piece of panel, one piece of central layer, one piece of dividing plate and two pieces of low carbon steel plates for the formation of vacuum chamber respectively according to the shape of the composite evacuated plate of required making and size, it is shaping and on one piece of low carbon steel plate or make supporter on central layer or on dividing plate two pieces of low carbon steel plates for the formation of vacuum chamber to be carried out flanging;
Second step, first by the weld coated glass solder of the lower low carbon steel plate in two pieces of low carbon steel plates and or dividing plate, and reserved bleed-off passage, central layer and dividing plate stack and are neatly placed between two pieces of low carbon steel plates, again two pieces of low carbon steel plate consistencies from top to bottom are combined, then send in continuous vacuum stove;
3rd step, is introduced in the pre-vacuum chamber of vacuum drying oven, carries out forvacuum and preheats; Then enter in the vacuum chamber of vacuum drying oven, further gas clean-up and heating-up temperature, after vacuum reaches requirement, then be warming up to the temperature 380-500 DEG C of welding, after glass solder fusing, upper and lower low carbon steel plate and dividing plate are bonded together; Enter subsequently in the cooling chamber of vacuum drying oven, by vacuum chamber hermetic welded seal after glass solder solidifies; Finally enter in the compound room of vacuum drying oven, panel is compounded on vacuum chamber by mode that is bonding or welding, obtains the two composite evacuated plate of vacuum layer of glass solder after going out vacuum drying oven.
Wherein, the two composite evacuated plate of vacuum layer of described glass solder comprises the various forms of sheet materials such as surface plate, curved slab, bending plate, sketch plate.
Wherein, the two composite evacuated plate of vacuum layer of described glass solder has connector for installing or groove or hole etc.
Wherein, the surrounding of the two composite evacuated plate of vacuum layer of described glass solder or vacuum chamber scribbles fluid sealant or structure glue.
Wherein, described panel is metal sheet, ceramic wafer, glass plate, plastic plate or composite plate etc., can have decoration, overcoat above it and on the soffit of vacuum chamber, as coating, electrodeposited coating, F-C paint etc.;
Further, the preferred ultra thin plate of described panel, with weight reduction and cost;
Further, described panel can be commaterial, also can be two kinds of different materials.
Wherein, the surface of described central layer can be coated with low-radiation film, as aluminium film etc.
Wherein, described bonding employing bonding adhesive, described bonding adhesive comprises organic gel, inorganic glue and composite adhesive, is commercially available prod; Described organic gel comprises thermosetting cement, PUR etc., and preferred resistant to elevated temperatures bonding adhesive, as phenolic resins, epoxy resin, organic siliconresin etc.
Wherein, described central layer can be one to several layers;
Wherein, described panel can connect as one with vacuum chamber before vacuumizing or in vacuum or after vacuumizing.
Wherein, described vacuum chamber is the air-tight cavity be welded by a piece or two pieces of low carbon steel plates, described low carbon steel plate is ultra thin plate, thickness is 0.1-1mm, preferred 0.15-0.5mm, the C content of described low carbon steel plate is not more than 0.06%, preferred enamel low carbon steel plate, thickness is 0.3-3mm, preferred 0.3-1mm.
Wherein, described vacuum chamber can be one to several, and when described vacuum chamber is two, upper and lower two vacuum chambers stack bonding along the diagonal dislocation of lower upper surface, make it form overlap edge, to reduce edge cold bridge impact when described composite evacuated plate is installed.
Wherein, the low carbon steel plate of described vacuum chamber can adopt mirror board, if its surface is senior finish, or its inner surface makes it have extremely low emissivity, as aluminizer etc. through process.
Wherein, the inwall of described vacuum chamber can have coating that is heat insulation, sound insulation; Can have getter in described vacuum chamber, getter is automatic activation under high temperature, high vacuum.
Wherein, described dividing plate is low carbon steel plate, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate.
Wherein, described dividing plate can be integrally welded with the inwall of vacuum chamber, makes vacuum chamber form two independently vacuum layer; Described dividing plate also can be placed directly in vacuum chamber, makes vacuum chamber form the vacuum layer of Liang Ge UNICOM.
Wherein, described dividing plate is that mirror board or its surface are coated with low-radiation film.
Wherein, described glass solder refers to and utilizes glass solder at high temperature to be welded together by two pieces of low carbon steel plates, commercially available low temperature glass solder selected by described glass solder, and its welding temperature is generally 380-480 DEG C, selects low temperature glass solder to be conducive to reducing costs, improving production capacity etc.; Described glass solder, certain pressure can be applied, namely pressure welding is carried out, with make welding and combine more solid and reliable, vacuum chamber and plate face more smooth, and can eliminate because solder thickness is uneven, vacuum chamber surface irregularity can not get supporter and evenly effectively supports and the edge sealing stress that causes; Described pressure is approximately 0.1MPa, described in the mode of exerting pressure can adopt mechanical compression, air pressure or hydraulic pressure etc.
Wherein, described welding can be carried out in vacuum drying oven, also can carry out outside vacuum drying oven, can also first vacuum drying oven outer sealing edge, after seal in vacuum drying oven; Described edge sealing is connected together by the peripheral weld of described vacuum chamber, and described sealing is that the extract opening on the surface or side that are reserved in vacuum chamber is carried out welded seal.
Wherein, described vacuum drying oven comprises pre-vacuum chamber, vacuum chamber, cooling chamber and compound room etc., and described pre-vacuum chamber carries out preliminary vacuumizing and heat, and the temperature of pre-vacuum chamber is 300-350 DEG C, pressure is 10-1000Pa; Described vacuum chamber vacuumizes further and heats, and the vacuum reached required by welding and temperature, the temperature of vacuum chamber is 350-380 DEG C, pressure is 0.001-0.1Pa; Described cooling chamber is that vacuum chamber is cooled, and the temperature of cooling chamber is 200-300 DEG C, pressure is 10-1000Pa; Described compound room is combined with each other by articulamentum and vacuum chamber by panel, and the temperature of compound room is 50-200 DEG C, pressure is 10-1000Pa.
Wherein, above support can be the supporter made separately, also can be the projection directly formed on the low carbon steel plate making vacuum chamber or on central layer or on dividing plate, as point, line etc.;
Further, when above support makes separately, be point, line or the net etc. that adopt the materials such as metal, glass, pottery, high polymer to make.
Wherein, above support has one to several layers.
Wherein, above support can directly be produced on described dividing plate, also can form one with the inwall of described vacuum chamber or central layer by punching press, roll extrusion and welding, the mode such as bonding.
The invention has the beneficial effects as follows:
The present invention replaces metal () to weld with glass solder, coefficient of thermal conductivity due to glass only has 1% of metal even less so can solve the edge cold bridge problem of evacuated panel well, because glass is different with the material of metal so the evacuated panel of glass solder has better sound insulation value; The low carbon steel plate matched with coefficient of thermal expansion and glass solder replaces conventional metal sheet, solves the Welding Problems between glass and metal; An about atmospheric pressure is applied when glass solder, glass solder is made to solidify the sizing of final vacuum chamber in using state, eliminate edge sealing stress, avoid the evacuated panel in use damage that causes because of unbalance stress of brittle glass solder, thus ensure that heat-proof quality and the application life of evacuated panel; Vacuum chamber is welded in employing at higher temperature and vacuum, composite joint layer and panel at lower temperature and vacuum, both the condition of high vacuum degree of vacuum chamber and the intensity of glass solder and tightness had been ensure that, the temperature of articulamentum compound tense can be reduced again, make articulamentum can the kind of the selection of material especially organic material increases greatly, the price of material significantly declines; Panel and articulamentum under vacuo while hot with vacuum chamber compound, not only shorten technological process, reduce energy consumption, and panel, articulamentum, eliminate the existence of bubble between vacuum chamber, make the combination between panel, articulamentum, vacuum chamber more solid and reliable; The two composite evacuated plate of vacuum layer of glass solder of the present invention forms primarily of metal material, and panel can select inorganic material or fire proofing, so have good fireproof performance; Two its panel of the composite evacuated plate of vacuum layer of glass solder of the present invention can select multiple decorative panel, so have good decorative effect, does not need to do decorative layer again after installation, not only saves material and also saves manpower and time; The two composite evacuated plate of vacuum layer of glass solder of the present invention is composited by multiple material, so not only thickness is thin, lightweight, and has very high mechanical strength; Two its vacuum chamber of the composite evacuated plate of vacuum layer of glass solder of the present invention is divided into two by dividing plate and forms two vacuum layer, the cost of increase and operation little, but effectively can improve heat insulation, sound insulation and the mechanical performance of composite evacuated plate; The two vacuum layer composite evacuated plate manufacture craft of glass solder of the present invention is simple, cost of production is low, can mechanization, automation, production in enormous quantities, product can be widely used in interior wall, exterior wall and curtain wall, the consumption that can greatly reduce material and the energy, the weight alleviating building, shortening building cycle; The two composite evacuated plate of vacuum layer of glass solder of the present invention not only can be applied to new building, and the energy-conservation of existing building and outward appearance transformation can be applied to, not only can wet combining but also can be cladding, can greatly save the engineering time compared with existing heat insulating material, improve heat insulation and soundproof effect; The two composite evacuated plate of vacuum layer of glass solder of the present invention can also make sketch plate, is directly used in the production of refrigerator, refrigerator-freezer, refrigerator carriage, incubator, cold store, frozen products insulated container etc.; High-temperature field can also be used for, as the Surgery therapy etc. of various body of heater.
Accompanying drawing explanation
Fig. 1 is the two composite evacuated plated construction schematic diagram of vacuum layer of glass solder of the present invention;
Fig. 2 of the present inventionly has the two composite evacuated plated construction schematic diagram of vacuum layer of the glass solder of seal groove.
In figure: 1. panel, 2. central layer, 3. vacuum chamber, 4. supporter, 5. dividing plate, 6. glass solder.
Detailed description of the invention
Embodiment 1: see Fig. 1, the two composite evacuated plate of vacuum layer of glass solder is by panel 1, central layer 2, vacuum chamber 3, supporter 4 and dividing plate 5 form, panel 1 is metal sheet, ceramic wafer, glass plate, plastic plate or composite plate, the armorplate glass that preferred 3-5mm is thick, ceramic wafer, stone plate, artificial stone plate or Aluminiumplastic composite panel etc., and be pasted onto on the soffit of vacuum chamber 3 by high temperature adhesive, high temperature adhesive can select the resistant to elevated temperatures phenolic resin glue of normal temperature or hot setting, epoxide-resin glue, the organic adhesion agents such as organic siliconresin glue and polyimides and conventional inorganic adhesive or organo-mineral complexing bonding adhesive etc., central layer 2 is metal sheet, ceramic wafer, glass plate, plastic plate or composite plate, the aluminium alloy plate that the armorplate glass that preferred 3-4mm is thick, 1-2mm are thick or fiber composite plate etc., the low carbon steel plate that vacuum chamber 3 is 0.3-1.0mm by thickness is welded, and dividing plate 5 can adopt same sheet material, directly welds together with vacuum chamber 3, makes vacuum chamber 3 form two independently vacuum layer, supporter 4 is made up of metal, pottery, glass or high polymer, modes such as utilizing printing, print, spray, machinery lays becomes dot matrix to be distributed on two surfaces up and down of dividing plate 5, the bearing height of supporter 4 is advisable with 0.15-1.0mm, and the diameter of the strong point is advisable with 0.3-1.0mm.The preparation method of the two composite evacuated plate of vacuum layer of glass solder is as follows: the low carbon steel plate that first cutting two pieces is onesize is for making vacuum chamber 3, and it is shaping to utilize the mode of punching press to carry out flanging to two pieces of low carbon steel plates, the low carbon steel plate that cutting one piece is more smaller again, as dividing plate 5, is that supporter 4 is printed on two surfaces up and down of dividing plate 5 by raw material by the mode of printing with cryogenic glass powder; Secondly cutting one piece of glass plate is as central layer 2, and is treated as tempered glass through tempering; Dividing plate 5 and central layer 2 are placed between two pieces of low carbon steel plates successively, and at the weld coated glass solder 6 of low carbon steel plate, glass solder 6 leaves slit as the passage vacuumized; Secondly the low carbon steel plate closed after sheet is sent in continuous vacuum stove, vacuum drying oven comprises pre-vacuum chamber, vacuum chamber, cooling chamber and compound room etc., tentatively vacuumizing and heating through pre-vacuum chamber, complete in a vacuum chamber and vacuumize and pressure welding, after cooling chamber cooling, glass solder 6 solidifies, and vacuum chamber 3 is shaped and reached airtight sealing; Finally make one piece of onesize armorplate glass as panel 1, panel 1, by bonding or be welded on the surface of vacuum chamber 3, forms composite plate after applying pressure; The two composite evacuated plate of vacuum layer of glass solder is obtained after going out vacuum drying oven; In order to protect vacuum chamber 3 and play decoration function, the upper surface of vacuum chamber 3 can brushing F-C paint.
Embodiment 2: see embodiment 1 and Fig. 2, substantially the same manner as Example 1, difference is that dividing plate 5 adopts aluminium alloy plate, is placed directly in vacuum chamber 3, and the low carbon steel plate forming vacuum chamber 3 directly stamps out the seal groove of edge sealing, placing glass solder in seal groove when punch forming.
All above-mentioned this intellectual properties of primary enforcement, not setting restriction this new product of other forms of enforcement and/or new 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 new product of the present invention.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment 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 two composite evacuated plate of vacuum layer of glass solder, comprise panel, central layer and vacuum chamber, it is characterized in that described panel is fixed on the upper surface outside described vacuum chamber by welding or bonding mode, described central layer is placed on the bottom in described vacuum chamber, described vacuum chamber is welded by thin low carbon steel plate, described panel and or described central layer provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber high vacuum in vacuum drying oven, glass solder welded seal is utilized under high temperature, the coefficient of thermal expansion of described low carbon steel plate and described glass solder matches, a dividing plate is had in described vacuum chamber, described dividing plate forms two vacuum layer by being divided into two in described vacuum chamber, supporter is had in described vacuum layer, above support makes separately or directly formed on vacuum chamber or dividing plate or central layer.
2. the two composite evacuated plate of vacuum layer of glass solder as claimed in claim 1, is characterized in that the two composite evacuated plate of vacuum layer of described glass solder comprises surface plate, curved slab, bending plate and sketch plate.
3. the two composite evacuated plate of vacuum layer of glass solder as claimed in claim 1, is characterized in that described panel or described central layer are metal sheet, ceramic wafer, glass plate, plastic plate or composite plate.
4. the two composite evacuated plate of vacuum layer of glass solder as claimed in claim 1, is characterized in that the surface of described central layer can be coated with low-radiation film.
5. the two composite evacuated plate of vacuum layer of glass solder as claimed in claim 1, it is characterized in that described vacuum chamber has one to several, when described vacuum chamber is two, upper and lower two vacuum chambers stack bonding along the diagonal dislocation of lower upper surface, it is made to form overlap edge, to reduce edge cold bridge impact during installation.
6. the two composite evacuated plate of vacuum layer of glass solder as claimed in claim 1, is characterized in that described dividing plate is low carbon steel plate, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate.
7. the two composite evacuated plate of vacuum layer of glass solder as claimed in claim 1, is characterized in that described dividing plate can be integrally welded with the inwall of vacuum chamber, makes vacuum chamber form two independently vacuum layer; Described dividing plate also can be placed directly in vacuum chamber, makes vacuum chamber form the vacuum layer of Liang Ge UNICOM.
8. the two composite evacuated plate of vacuum layer of glass solder as claimed in claim 1, is characterized in that described glass solder is pressure welding.
9. the two composite evacuated plate of vacuum layer of glass solder as claimed in claim 1, is characterized in that the inwall of described vacuum chamber can have coating that is heat insulation, sound insulation, has getter in described vacuum chamber.
10. the preparation method of the two composite evacuated plate of vacuum layer of the glass solder described in any one of claim 1 to 9, is characterized in that comprising the following steps:
The first step, make one piece of panel, one piece of central layer, one piece of dividing plate and two pieces of low carbon steel plates for the formation of vacuum chamber respectively according to the shape of the composite evacuated plate of required making and size, it is shaping and on one piece of low carbon steel plate or make supporter on central layer or on dividing plate two pieces of low carbon steel plates for the formation of vacuum chamber to be carried out flanging;
Second step, first by the weld coated glass solder of the lower low carbon steel plate in two pieces of low carbon steel plates and or dividing plate, and reserved bleed-off passage, central layer and dividing plate stack and are neatly placed between two pieces of low carbon steel plates, again two pieces of low carbon steel plate consistencies from top to bottom are combined, then send in continuous vacuum stove;
3rd step, is introduced in the pre-vacuum chamber of vacuum drying oven, carries out forvacuum and preheats; Then enter in the vacuum chamber of vacuum drying oven, further gas clean-up and heating-up temperature, after vacuum reaches requirement, then be warming up to the temperature 380-500 DEG C of welding, after glass solder fusing, upper and lower low carbon steel plate is bonded together; Enter subsequently in the cooling chamber of vacuum drying oven, by vacuum chamber hermetic welded seal after glass solder solidifies; Finally enter in the compound room of vacuum drying oven, panel is compounded on vacuum chamber by mode that is bonding or welding, obtains the two composite evacuated plate of vacuum layer of glass solder after going out vacuum drying oven.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310721481.0A CN104746741A (en) | 2013-12-25 | 2013-12-25 | Glass welded double-vacuum-layer composite vacuum plate and production method thereof |
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| CN201310721481.0A CN104746741A (en) | 2013-12-25 | 2013-12-25 | Glass welded double-vacuum-layer composite vacuum plate and production method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947279A (en) * | 2017-05-25 | 2018-12-07 | 张跃 | A kind of vacuum glass |
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2013
- 2013-12-25 CN CN201310721481.0A patent/CN104746741A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947279A (en) * | 2017-05-25 | 2018-12-07 | 张跃 | A kind of vacuum glass |
| CN108947279B (en) * | 2017-05-25 | 2021-06-04 | 张跃 | Vacuum glass |
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Application publication date: 20150701 |