CN104295016A - Metal vacuum composite plate with getter and preparation method thereof - Google Patents
Metal vacuum composite plate with getter and preparation method thereof Download PDFInfo
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- CN104295016A CN104295016A CN201310298461.7A CN201310298461A CN104295016A CN 104295016 A CN104295016 A CN 104295016A CN 201310298461 A CN201310298461 A CN 201310298461A CN 104295016 A CN104295016 A CN 104295016A
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Abstract
The invention discloses a metal vacuum composite plate with getter. The metal vacuum composite plate comprises a shell, core plates and a vacuum cavity, and is characterized in that the shell is a metal plate or a metal composite plate, wherein the core plates are positioned in the vacuum cavity for providing additional strength to the shell and guaranteeing the flatness of the shell under atmospheric pressure; the vacuum cavity is a closed cavity formed by performing the welding edge sealing under normal pressure and the high-temperature opening sealing under vacuum for the shell; the opening sealing is that an extraction opening prefabricated in the shell is automatically sealed in a vacuum furnace by using a low-temperature solder according to a liquid sealing principle; the getter is arranged in the vacuum cavity; at least two core plates are provided; and a support object is arranged between the core plates. A preparation method of the metal vacuum composite plate is simple; and the prepared metal vacuum composite plate with the getter can overcome the defects of a traditional insulation plate and a traditional vacuum insulation plate, and can improve the strength, heat insulation, sound insulation, fire prevention and decoration functions.
Description
Technical field
The present invention relates to energy-saving building technology field, particularly relate to a kind of metal vacuum composite plate having getter 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 for existing building insulating board, warming plate, the defect that vacuum heat-insulating plate exists, a kind of novel metal vacuum composite plate having getter and preparation method thereof is provided, this have the preparation method technique of the metal vacuum composite plate of getter simple, the prepared metal vacuum composite plate of getter that has can overcome existing insulating board, the deficiency of vacuum heat-insulating plate and warming plate, effectively can ensure the tightness of the metal vacuum composite plate of getter, 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 a kind of metal vacuum composite plate having getter, comprise shell, central layer and vacuum chamber, it is characterized in that described shell is metal sheet or composite metal plate, described central layer is positioned at vacuum chamber for described shell provides additional strength, ensure shell planarization under atmospheric pressure, described vacuum chamber welds edge sealing at ambient pressure by shell, 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 prefabricated extract opening on shell, getter is had in described vacuum chamber, described central layer has two pieces at least, supporter is had between described central layer, above support makes separately or the projection formed on central layer.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method having the metal vacuum composite plate of getter, it is characterized in that comprising the following steps:
The first step, the have shape of the metal vacuum composite plate of getter and size according to required making make two pieces of Shell Plates and two pieces of central layers respectively, two pieces of Shell Plates are carried out flanging shaping and make extract opening on one piece of Shell Plate, at least one piece of central layer makes supporter and bleed-off passage;
Second step, first that two pieces of central layer mounted on top are neat, put into the cavity that two pieces of Shell Plates are formed, then by the periphery welded seal of two pieces of Shell Plates; Send into after extract opening place places solder in vacuum drying oven, once can send into several piece;
3rd step, first vacuum drying oven is warming up to the temperature being conducive to being vented, 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 the metal vacuum composite plate that vacuum drying oven obtains getter.
Wherein, the metal vacuum composite plate of getter is had to comprise the various forms of sheet materials such as surface plate, curved slab, bending plate, sketch plate described in.
Wherein, the metal vacuum composite plate of getter is had to have connector for installing or groove or hole etc. described in.
Wherein, described shell is metal sheet or composite metal plate, as iron plate, corrosion resistant plate, aluminium alloy plate etc., can have decoration, overcoat above it, as coating, electrodeposited coating, F-C paint etc.;
Further, the preferred ultra thin plate of described shell, with weight reduction and cost;
Further, described shell can be commaterial, also can be two kinds of different materials.
Wherein, described central layer is metal sheet, glass plate, ceramic wafer, plastic plate or composite plate, preferred armorplate glass or aluminium alloy plate.
Wherein, the surface of described central layer can be coated with low-radiation film, as aluminium film etc.
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, described vacuum chamber is Low emissivity chamber, and namely its metal sheet is Low emissivity plate, as adopted mirror board etc., 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.
Wherein, described getter automatic activation under high temperature, high vacuum in capping processes.
Wherein, described getter comprises evaporable air-absorbing agent and nonevaporable getter.
Wherein, described getter is powdery, granular, banded, the various ways such as tubulose, ring-type, column.
Wherein, described getter can directly put into described vacuum chamber or extract opening, also can be contained in a container and put into described vacuum chamber or extract opening again.
Wherein, the preferred low-temperature metal solder of described solder and solder, as tin, zinc, magnesium etc. and alloy thereof, described material is existing commercial commodity.
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 on central layer as by mechanical means punching press the projection that formed, 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.
The invention has the beneficial effects as follows:
Of the present invention have the hermetically-sealed construction of its getter of metal vacuum composite plate of getter simple, seal reliable, convenient for production, with low cost; In a vacuum furnace under high temperature, high vacuum, not only can direct activated degasser, and can effectively remove getter surface absorption gas, getter is regenerated, ensure that the gettering ability of getter; Vacuum chamber or its space of extract opening comparatively speaking can be very large, so can lay more substantial getter, the vacuum of the vacuum chamber time that is higher but also that maintain not only can be made longer; Shell is that metal sheet or composite metal plate are made, 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; Have the thickness of the metal vacuum composite plate of getter can be very little, minimum only have several millimeters, and space that is less than the thickness of existing vacuum heat-insulating plate, that take is less; Of the present invention have the metal vacuum composite plate of getter to be 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; Metal vacuum composite plate by getter of the present invention forms primarily of metal material, and central layer can select inorganic material or fire proofing, so have good fireproof performance; Of the present invention have its shell of metal vacuum composite plate of getter can select multiple decorative metal board, so have good decorative effect, do not need to do decorative layer again after installation, not only saves material and also save manpower and time; Of the present invention have the metal vacuum composite plate of getter to be composited by multiple material, so not only thickness is thin, lightweight, and has very high mechanical strength; Of the present invention have the metal vacuum composite plate of getter to adopt 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; Of the present invention have the metal vacuum composite plate of getter 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; Of the present invention have the metal vacuum composite plate of getter to 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 metal vacuum composite plate structure schematic diagram having getter of the present invention.
In figure: 1. shell, 2. central layer, 3. vacuum chamber, 4. supporter, 5. extract opening, 6. solder, 7. getter.
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, be made up of shell 1, central layer 2, vacuum chamber 3 and supporter 4 the metal vacuum composite plate of getter, the metal sheet such as corrosion resistant plate or aluminium alloy plate that shell 1 is 0.2-1.5mm by thickness is formed; Central layer 2 is metal sheet, ceramic wafer, glass plate, plastic plate or composite plate etc., the aluminium alloy plate that preferred 1-2mm is thick or the thick armorplate glass etc. of 3-5mm; 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 between central layer 2, 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 the upper metal sheet of vacuum chamber 3 and seal cover form, getter 7 is placed in extract opening 5, place solder 6 in air exhaust nozzle as tin, zinc, magnesium and low-melting alloy thereof, solder 6 dissolves and automatically to seal extract opening 5 afterwards.Have the preparation method of the metal vacuum composite plate of getter as follows: the corrosion resistant plate that first cutting two pieces is onesize for making shell 1, and utilize the mode of punching press to two pieces of corrosion resistant plates carry out flanging shaping and make extract opening 5; Secondly cutting two pieces of glass plates as central layer 2 and wherein one block of glass drill through bleed-off passage, are printed by glass ink and form supporter 4 on a glass, after tempering process; Put into the cavity that two pieces of shells 1 form after again two pieces of central layer 2 mounted on top are neat and form composite plate, place getter 7, utilize seam welder by the edge welded seal of shell 1 together, and placement solder 6 extract opening 5 in advance; Finally one piece or composite plate are in batch sent in vacuum drying oven, first heat, be evacuated to below 0.1Pa again, temperature when vacuumizing preferably more than 300 DEG C, to promote the eliminating of gas and the activation of getter 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 the metal vacuum composite plate that vacuum drying oven obtains getter; In order to protecting sheathing 1 with play decoration function, fluid sealant is smeared at extract opening 5 place, the surface of shell 1 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. one kind has the metal vacuum composite plate of getter, comprise shell, central layer and vacuum chamber, it is characterized in that described shell is metal sheet or composite metal plate, described central layer is positioned at vacuum chamber for described shell provides additional strength, ensure shell planarization under atmospheric pressure, described vacuum chamber welds edge sealing at ambient pressure by shell, 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 prefabricated extract opening on shell, getter is had in described vacuum chamber, described central layer has two pieces at least, supporter is had between described central layer, above support makes separately or the projection formed on central layer.
2. there is the metal vacuum composite plate of getter as claimed in claim 1, described in it is characterized in that, have the metal vacuum composite plate of getter to comprise surface plate, curved slab, bending plate and sketch plate.
3. there is the metal vacuum composite plate of getter as claimed in claim 1, it is characterized in that described central layer is metal sheet, ceramic wafer, glass plate, plastic plate or composite plate.
4. there is the metal vacuum composite plate of getter as claimed in claim 1, it is characterized in that described central layer can have low-radiation film.
5. there is the metal vacuum composite plate of getter 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. there is the metal vacuum composite plate of getter as claimed in claim 1, it is characterized in that the inwall of described vacuum chamber can have coating that is heat insulation, sound insulation.
7. there is the metal vacuum composite plate of getter as claimed in claim 1, it is characterized in that described welding comprises melting welding, pressure welding and soldering.
8. there is the metal vacuum composite plate of getter as claimed in claim 1, it is characterized in that above support has one to several layers.
9. there is the metal vacuum composite plate of getter as claimed in claim 1, it is characterized in that described getter automatic activation under high temperature, high vacuum in capping processes.
10. the preparation method having the metal vacuum composite plate of getter described in any one of claim 1 to 9, is characterized in that comprising the following steps:
The first step, the have shape of the metal vacuum composite plate of getter and size according to required making make two pieces of Shell Plates and two pieces of central layers respectively, two pieces of Shell Plates are carried out flanging shaping and make extract opening on one piece of Shell Plate, at least one piece of central layer makes supporter and bleed-off passage;
Second step, first that two pieces of central layer mounted on top are neat, put into the cavity that two pieces of Shell Plates are formed, then by the periphery welded seal of two pieces of Shell Plates; Send into after extract opening place places solder in vacuum drying oven, once can send into several piece;
3rd step, first vacuum drying oven is warming up to the temperature being conducive to being vented, 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 the metal vacuum composite plate that vacuum drying oven obtains getter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298461.7A CN104295016A (en) | 2013-07-17 | 2013-07-17 | Metal vacuum composite plate with getter and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298461.7A CN104295016A (en) | 2013-07-17 | 2013-07-17 | Metal vacuum composite plate with getter and preparation method thereof |
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| CN104295016A true CN104295016A (en) | 2015-01-21 |
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| CN201310298461.7A Withdrawn CN104295016A (en) | 2013-07-17 | 2013-07-17 | Metal vacuum composite plate with getter and preparation method thereof |
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| CN102434758A (en) * | 2011-09-28 | 2012-05-02 | 南京航空航天大学 | Rigid vacuum insulating plate and manufacturing method thereof |
| CN202595934U (en) * | 2012-06-07 | 2012-12-12 | 张寅啸 | Hollow vacuum heat-insulating plate |
| CN102951822A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Metal solder-welded and strip frame-groove-edge-sealed planar vacuum glass and manufacturing method thereof |
| CN102953444A (en) * | 2012-03-21 | 2013-03-06 | 戴长虹 | Vacuum ceramic thermal baffle and manufacturing method of vacuum ceramic thermal baffle |
| CN102976590A (en) * | 2012-03-21 | 2013-03-20 | 戴长虹 | Flat vacuum glass and manufacturing method thereof |
| CN102976595A (en) * | 2012-10-06 | 2013-03-20 | 戴长虹 | Flat vacuum glass welded by using glass welding material and provided with strip frame edge sealing and ditch groove edge sealing, and manufacturing method thereof |
-
2013
- 2013-07-17 CN CN201310298461.7A patent/CN104295016A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434758A (en) * | 2011-09-28 | 2012-05-02 | 南京航空航天大学 | Rigid vacuum insulating plate and manufacturing method thereof |
| CN102953444A (en) * | 2012-03-21 | 2013-03-06 | 戴长虹 | Vacuum ceramic thermal baffle and manufacturing method of vacuum ceramic thermal baffle |
| CN102976590A (en) * | 2012-03-21 | 2013-03-20 | 戴长虹 | Flat vacuum glass and manufacturing method thereof |
| CN202595934U (en) * | 2012-06-07 | 2012-12-12 | 张寅啸 | Hollow vacuum heat-insulating plate |
| CN102951822A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Metal solder-welded and strip frame-groove-edge-sealed planar vacuum glass and manufacturing method thereof |
| CN102976595A (en) * | 2012-10-06 | 2013-03-20 | 戴长虹 | Flat vacuum glass welded by using glass welding material and provided with strip frame edge sealing and ditch groove edge sealing, and manufacturing method thereof |
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Application publication date: 20150121 |