CN104294934A - Composite vacuum heat insulation plate and preparation method thereof - Google Patents
Composite vacuum heat insulation plate and preparation method thereof Download PDFInfo
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- CN104294934A CN104294934A CN201310298684.3A CN201310298684A CN104294934A CN 104294934 A CN104294934 A CN 104294934A CN 201310298684 A CN201310298684 A CN 201310298684A CN 104294934 A CN104294934 A CN 104294934A
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- vacuum
- composite
- plate
- vacuum chamber
- insulating plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
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- Building Environments (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention discloses a composite vacuum heat insulation plate. The composite vacuum heat insulation plate comprises a panel, a core plate and a vacuum cavity, and is characterized in that the panel is fixed to the upper surface outside the vacuum cavity in a welding or bonding mode; the core plate is placed at the bottom in the vacuum cavity; the panel and/or the core plate supply/supplies additional strength for the vacuum cavity, so that the smoothness of the vacuum cavity at atmospheric pressure is ensured; the vacuum cavity is a closed cavity formed by that metal plates are welded and edge-sealed at normal pressure and sealed at high temperature under vacuum; the sealing operation means that an air extracting port prefabricated on the vacuum cavity is automatically sealed by low-temperature welding materials in a vacuum furnace according to a liquid sealing principle; the low-temperature welding materials comprise low-temperature metal and alloy welding materials; and supporting articles are arranged in the vacuum cavity. The manufacturing method of the composite vacuum heat insulation plate has simple technology; the prepared composite vacuum heat insulation plate can overcome the defects of the existing heat preservation plate and the existing vacuum heat insulation plate; and the strength, the heat insulation performance, the sound insulation performance, the fireproof performance and the decorative function can be improved.
Description
Technical field
The present invention relates to energy-saving building technology field, particularly relate to a kind of composite vacuum insulating plate and preparation method thereof.
Background technology
The power consumption of the architectural energy consumption Yi Zhan whole society of China more than 1/3 and in the trend that increases year by year, adopt heat preservation construction material to be one of Main Means reducing building energy consumption.Current building exterior wall heat preserving material used is many is B level heat insulating material, as organic materials such as polystyrene, polyurethane, bipeltates, these organic material heat resistances are poor, easy firing, not only discharge a large amount of heats during burning, produce a large amount of poison gas, and large fire spread can be accelerated; Simultaneously, molten contracting can be there is in organic material when fire, produce density flaming droplet, on initiation insulation layer, institute's tile fixing comes off, cause spot fire and secondary injury possibly, so national departments concerned prohibites exterior-wall heat insulation use organic insulation material, particularly at highrise building and public building.Reach in the heat insulating material of A grade standard in combustibility, mainly with the inorganic material that mineral wool and rock wool are representative, but existing home made article requires very large gap with Application in Building in water absorption rate, intensity, weatherability etc., be directly used in construction wall insulation, problems such as water suction will being occurred, drop, be softening.In addition, A level heat insulating material cost is far away higher than organic material, and complicated construction technique construction cost is far beyond the expense of B level heat insulating material, and its poor thermal insulation property and energy consumption is high, the needs of national current energy-saving and emission-reduction can not be met.
Vacuum heat-insulating plate is a kind of novel heat insulating material grown up in recent years, mainly comprise vacuum bag and core etc., its major advantage be belong to A level heat insulating material, good heat insulating, thickness is thin, unit mass is light, but also there is obvious shortcoming difficulty as dry in core, vacuum bag poor air-tightness, puncture-resistant intensity are low, and soon, easily rise bag, insulation life-span of vacuum decay is short etc.In addition, above heat insulating material all needs to increase decoration overcoat.
Summary of the invention
?technical problem to be solved by this invention is the defect being to exist for existing building insulating board, warming plate, vacuum heat-insulating plate, a kind of novel composite vacuum insulating plate and preparation method thereof is provided, the preparation method technique of this composite vacuum insulating plate is simple, prepared composite vacuum insulating plate can overcome the deficiency of existing insulating board, vacuum heat-insulating plate and warming plate, effectively can ensure the tightness of composite vacuum insulating plate, increase the service life, and its intensity and heat insulation, sound insulation, fireproof performance can be increased, also there is good decorative effect simultaneously.
In order to solve the problems of the technologies described above, the invention provides a kind of composite vacuum insulating plate, 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 panel and or described central layer provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber welds edge sealing at ambient pressure by metal sheet, high temperature seals and the closed cavity of formation under vacuo, described sealing utilizes solder according to hydraulic seal principle automatic-sealed in a vacuum furnace pre-extract opening on vacuum chamber, described solder comprises low-temperature metal and solder, supporter is had in described vacuum chamber, above support makes separately or directly formed on vacuum chamber inwall or on central layer.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method of composite vacuum insulating plate, it is characterized in that comprising the following steps:
The first step, make one piece of panel, one piece of central layer and two pieces of metal sheets for the formation of vacuum chamber respectively according to the shape of the composite vacuum insulating plate of required making and size, two pieces of metal sheets for the formation of vacuum chamber are carried out flanging shaping and on one piece of metal sheet or and central layer on make supporter and extract opening;
Second step, first by panel by welding or bonding mode and one piece of metal sheet is joined together to form composite plate, central layer is placed on another block metal sheet, then the fastening that composite plate alignd with metal sheet welds together; Or first there are centre two of central layer pieces of metal sheet alignment fastenings to weld together, then by welding or bonding mode, panel and metal sheet are joined together to form composite plate; Place solder in extract opening, composite plate is sent in vacuum drying oven, once can send into several piece;
3rd step, first vacuum drying oven is warming up to the temperature of bleeding, again vacuum drying oven is evacuated to below 0.1Pa, then vacuum drying oven is warming up to the temperature of sealing, solder fusing is by extract opening self-closed, with stove cooling, solder solidify rear to vacuum chamber realize tightness welding, open vacuum drying oven and obtain composite vacuum insulating plate.
Wherein, described composite vacuum insulating plate comprises the various forms of sheet materials such as surface plate, curved slab, bending plate, sketch plate.
Wherein, described composite vacuum insulating plate has connector for installing or groove or hole etc.
Wherein, the surrounding of described composite vacuum insulating plate 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 panel can connect as one with vacuum chamber before vacuumizing or in vacuum or after vacuumizing.
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 vacuum chamber is the air-tight cavity be welded by a piece or two pieces of metal sheets, and described metal sheet is ultra thin plate, and thickness is 0.1-1mm, preferred 0.15-0.5mm.
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 heat bridge impact when described composite evacuated plate is installed.
Wherein, the metal sheet of described vacuum chamber is the material of Low emissivity, as adopted mirror board, or its 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 welding comprises melting welding, pressure welding, soldering etc., as argon arc welding, laser weld, ultrasonic bonding, low-melting-point metal and alloy welding and other welding manners for metal sheet especially ultra-thin metal plates.
Wherein, described extract opening can be arranged on surface or the side of vacuum chamber.
Wherein, described extract opening can directly be made in vacuum chamber punching press, also first can make extract opening and be welded on vacuum chamber again.
Wherein, described vacuum drying oven or the single-unit furnace of batch production, or the tunnel kiln that continous way is produced; The vacuum of described vacuum drying oven is 0.1-0.001Pa, is preferably 0.05-0.005Pa; The temperature of described vacuum drying oven is 150-450 DEG C, is preferably 280-350 DEG C.
Wherein, above support can be the supporter made separately, also can be the projection directly formed on the metal sheet making vacuum chamber or on central layer, 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 put into described vacuum chamber, 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:
Its vacuum chamber of composite vacuum insulating plate of the present invention is that metal sheet is made and has protection and the support of panel and central layer, so have fabulous tightness, puncture-resistant intensity and low emissivity, thus not only heat-proof quality is good but also have extremely long application life; The thickness of composite plate can be very little, and minimum only have several millimeters, and space that is less than the thickness of existing vacuum heat-insulating plate, that take is less; Composite vacuum insulating plate of the present invention is formed by the Material cladding of several difformity and material, prevents resonance effects during sound transmission, in addition the existence of vacuum layer, so have good sound insulation value; Composite vacuum insulating plate of the present invention forms primarily of metal material, and panel can select inorganic material or fire proofing, so have good fireproof performance; Its panel of composite vacuum insulating plate 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; Composite vacuum insulating plate of the present invention is composited by multiple material, so not only thickness is thin, lightweight, and has very high mechanical strength; Composite vacuum insulating plate of the present invention adopts normal temperature and pressure lower sealing edge, high-temperature vacuum lower sealing, its manufacture craft 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; Composite vacuum insulating plate 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; Composite vacuum insulating plate 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 composite vacuum insulating plate structural representation of the present invention.
In figure: 1. panel, 2. central layer, 3. vacuum chamber, 4. supporter, 5. extract opening, 6. solder.
Detailed description of the invention
Below adopt embodiment and accompanying drawing to describe embodiments of the present invention in detail, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.
See accompanying drawing, composite vacuum insulating plate is by panel 1, central layer 2, vacuum chamber 3 and supporter 4 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., vacuum chamber 3 is that the corrosion resistant plate of 0.15-1.0mm, stainless iron plate, electrolytic tinplate or galvanized sheet etc. are welded by thickness, supporter 4 is made up of metal, pottery, glass or high polymer, and modes such as utilizing printing, print, spray, machinery lays becomes dot matrix to be distributed in vacuum chamber 3, and 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 air exhaust nozzle that extract opening 5 is directly stamped out by one piece of metal sheet of vacuum chamber 3 and can form, and place solder 6 in can as tin, zinc, magnesium and low-melting alloy thereof, and solder 6 dissolves and automatically to seal extract opening 5 afterwards.The preparation method of composite vacuum insulating plate is as follows: the electrolytic tinplate that first cutting two pieces is onesize for making vacuum chamber 3, and utilize the mode of punching press to two pieces of electrolytic tinplates carry out flanging shaping and make extract opening 5; Secondly cutting one piece of glass plate is as central layer 2, and on glass plate, punching forms bleed-off passage, is printed by glass ink and forms supporter 4 on a glass, after tempering process; Central layer 2 is placed between two pieces of electrolytic tinplates, utilizes seam welder to be welded together, carry out edge sealing after two pieces of electrolytic tinplates close sheet; Again produce one piece of armorplate glass as panel 1, choose epoxide-resin glue as bonding adhesive, soffit panel 1 being pasted onto vacuum chamber 3 forms composite plate; Finally place solder, one piece or composite plate are in batch sent in vacuum drying oven, first heating make epoxy resin adhesive curing after be evacuated to below 0.1Pa again, temperature when vacuumizing preferably more than 300 DEG C, to promote the eliminating of gas in vacuum chamber 3, after vacuum reaches, be warming up to sealing temperature again, solder 6 melts extract opening 5 self-closed, lowers the temperature with stove, solder 6 solidifies final vacuum chamber 3 and realizes airtight sealing, opens vacuum drying oven and obtains composite vacuum insulating plate; In order to protect the impact of vacuum chamber 3 and elimination heat bridge, the surrounding of vacuum chamber 3 can smear fluid sealant or structure glue; In order to protect vacuum chamber 3 and play decoration function, extract opening 5 smears fluid sealant, the upper surface of vacuum chamber 3 can brushing F-C paint.
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. a composite vacuum insulating plate, 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 panel and or described central layer provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber welds edge sealing at ambient pressure by metal sheet, high temperature seals and the closed cavity of formation under vacuo, described sealing utilizes solder according to hydraulic seal principle automatic-sealed in a vacuum furnace pre-extract opening on vacuum chamber, described solder comprises low-temperature metal and solder, supporter is had in described vacuum chamber, above support makes separately or directly formed on vacuum chamber inwall or on central layer.
2. composite vacuum insulating plate as claimed in claim 1, is characterized in that described composite vacuum insulating plate comprises surface plate, curved slab, bending plate and sketch plate.
3. composite vacuum insulating plate 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. composite vacuum insulating plate as claimed in claim 1, is characterized in that the surface of described central layer can be coated with low-radiation film.
5. composite vacuum insulating plate 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 heat bridge impact during installation.
6. composite vacuum insulating plate as claimed in claim 1, is characterized in that described vacuum chamber is Low emissivity chamber.
7. composite vacuum insulating plate as claimed in claim 1, is characterized in that described welding comprises melting welding, pressure welding and soldering.
8. composite vacuum insulating plate as claimed in claim 1, is characterized in that above support has one to several layers.
9. composite vacuum insulating plate as claimed in claim 1, is characterized in that there is getter in described vacuum chamber.
10. the preparation method of the composite vacuum insulating plate 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 and two pieces of metal sheets for the formation of vacuum chamber respectively according to the shape of the composite vacuum insulating plate of required making and size, two pieces of metal sheets for the formation of vacuum chamber are carried out flanging shaping and on one piece of metal sheet or and central layer on make supporter and extract opening;
Second step, first by panel by welding or bonding mode and one piece of metal sheet is joined together to form composite plate, central layer is placed on another block metal sheet, then the fastening that composite plate alignd with metal sheet welds together; Or first there are centre two of central layer pieces of metal sheet alignment fastenings to weld together, then by welding or bonding mode, panel and metal sheet are joined together to form composite plate; Place solder in extract opening, composite plate is sent in vacuum drying oven, once can send into several piece;
3rd step, first vacuum drying oven is warming up to the temperature of bleeding, again vacuum drying oven is evacuated to below 0.1Pa, then vacuum drying oven is warming up to the temperature of sealing, solder fusing is by extract opening self-closed, with stove cooling, solder solidify rear to vacuum chamber realize tightness welding, open vacuum drying oven and obtain composite vacuum insulating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298684.3A CN104294934A (en) | 2013-07-17 | 2013-07-17 | Composite vacuum heat insulation plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298684.3A CN104294934A (en) | 2013-07-17 | 2013-07-17 | Composite vacuum heat insulation plate and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104294934A true CN104294934A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298684.3A Withdrawn CN104294934A (en) | 2013-07-17 | 2013-07-17 | Composite vacuum heat insulation plate and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208192A (en) * | 2020-09-25 | 2021-01-12 | 合肥神舟建筑集团有限公司 | Processing technology of insulation board |
| CN115071121A (en) * | 2022-07-06 | 2022-09-20 | 四川金石东方新材料科技有限公司 | Sealing method of reinforced composite plastic pipe |
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| CN201024620Y (en) * | 2007-03-30 | 2008-02-20 | 兆宁 | Composite vacuum exterior wall thermal insulation decorative board |
| CN201066022Y (en) * | 2007-06-06 | 2008-05-28 | 兆宁 | Metal vacuum heat-insulation plate |
| CN102345341A (en) * | 2010-07-30 | 2012-02-08 | 叶倩儿 | Multifunctional plate and manufacturing method thereof |
| CN202595934U (en) * | 2012-06-07 | 2012-12-12 | 张寅啸 | Hollow vacuum heat-insulating plate |
| CN102953509A (en) * | 2012-03-21 | 2013-03-06 | 戴长虹 | Vacuum ceramic thermal baffle welded by metal solders and manufacturing method of thermal baffle |
| CN102953441A (en) * | 2012-03-21 | 2013-03-06 | 戴长虹 | Convex-sided vacuum heat-insulating board, flattened vacuum heat-insulating board and preparation methods thereof |
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2013
- 2013-07-17 CN CN201310298684.3A patent/CN104294934A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201024620Y (en) * | 2007-03-30 | 2008-02-20 | 兆宁 | Composite vacuum exterior wall thermal insulation decorative board |
| CN201066022Y (en) * | 2007-06-06 | 2008-05-28 | 兆宁 | Metal vacuum heat-insulation plate |
| CN102345341A (en) * | 2010-07-30 | 2012-02-08 | 叶倩儿 | Multifunctional plate and manufacturing method thereof |
| CN102953509A (en) * | 2012-03-21 | 2013-03-06 | 戴长虹 | Vacuum ceramic thermal baffle welded by metal solders and manufacturing method of thermal baffle |
| CN102953441A (en) * | 2012-03-21 | 2013-03-06 | 戴长虹 | Convex-sided vacuum heat-insulating board, flattened vacuum heat-insulating board and preparation methods thereof |
| CN202595934U (en) * | 2012-06-07 | 2012-12-12 | 张寅啸 | Hollow vacuum heat-insulating plate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208192A (en) * | 2020-09-25 | 2021-01-12 | 合肥神舟建筑集团有限公司 | Processing technology of insulation board |
| CN115071121A (en) * | 2022-07-06 | 2022-09-20 | 四川金石东方新材料科技有限公司 | Sealing method of reinforced composite plastic pipe |
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Application publication date: 20150121 |