CN106352200A - Vacuum insulation plate and preparation method thereof - Google Patents
Vacuum insulation plate and preparation method thereof Download PDFInfo
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- CN106352200A CN106352200A CN201611068385.0A CN201611068385A CN106352200A CN 106352200 A CN106352200 A CN 106352200A CN 201611068385 A CN201611068385 A CN 201611068385A CN 106352200 A CN106352200 A CN 106352200A
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- lower box
- vacuum
- high temperature
- temperature resistant
- upper capping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
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- Thermal Insulation (AREA)
Abstract
The invention discloses a vacuum insulation plate which comprises a lower box body, a high temperature resistant O-type seal ring and an upper seal cover, wherein the lower box body is made of rigid PVC and the upper surface of the lower box body is provided with an opening; the upper seal cover is made of stainless steel; a vacuum seal cavity wrapped by the upper seal cover, the high temperature resistant O-type seal ring and the lower box body is formed. The structure and insulation theory of the vacuum insulation plate provided by the application are based on the vacuum structure and vacuum insulation theory of a stainless steel vacuum insulation cup. The vacuum insulation plate provided by the application also has a support framework function, a vacuum seal function, a fire-fighting function and a vacuum insulation function; the vacuum seal function and vacuum insulation function are realized by virtue of the lower box body and the upper seal cover together; Since the lower box body and the upper seal cover are rigid, and have less possibility of being pierced by sharp objects and hard objects during conveying, storage and construction processes, breakage and air admission of the vacuum seal cavity are avoided, and the problem that an existing vacuum insulation plate becomes invalid easily can be solved.
Description
Technical field
The present invention relates to building material technical field, especially relate to a kind of vacuum heat-insulating plate and preparation method thereof.
Background technology
China's building energy consumption accounts for the 30% about of whole nation total energy consumption, and building energy conservation is to alleviate China's energy scarcity lance
Shield, working condition of improving the people's livelihood, mitigation environmental pollution, the highly important work of promotion sustainable economic development.Build
Build energy-conservation mainly to include building roof insulation, build and safeguard body of wall and the section of outer door and window insulation and Architectural Equipment outward
Can three parts.Country assigned documentation requirements all parts of the country new building and must do building heat preservation in October, 2007, existing built
Build and also require that and carry out time limit reducing energy consumption.
External thermal insulation system refers to using certain fixed form, such as bonding, mechanical anchor, stickup+mechanical anchor, spray
Apply, pour into a mould etc., adiabator relatively low for heat conductivity and building masonry wall are fixed as one, increasing the evenly heat resistance of body of wall,
Thus reaching insulation or a kind of engineering way of effect of heat insulation.Conventional insulation material has expansion polyphenyl plate (eps plate), extruded polystyrene
Plate (xps plate), adhesive powder-polystyrene granule thermal insulation mortar, inorganic heat preservation slurry, polyurethane foam material (pu), perlite slurry etc..
The multiple technologies of external wall outer insulation wait some developed countries successful Application of nearly 40 years to show American-European, as long as material selection obtains
When rationally, technology measure puts in place formula, construction technology reasonable standard, and external thermal insulation system is in the application of building field
It is that there is enough safeties, reliability, economy and good social benefit.But external thermal insulation system is different from one again
As construction in building engineering because external thermal insulation system is by body of wall basic unit, heat-insulation layer, overcoat, exterior wall exterior trim
Multiple material institute with varying strength, adhesive property, deformability such as surface layer and its isolating and protecting tack coat each other
Composition, be a kind of sufficiently complex technical system.
Existing external thermal insulation system mainly includes eps/xps plate thinly plastered external insulation system of outer wall, adhesive polystyrene
Protect outside grain heat preservation slurry external thermal insulation system, inorganic heat preservation slurry external thermal insulation system, hard-foam polyurethane (pu) plate exterior wall
Warm system, in-situ spraying hard bubble polyurethane exterior wall outer heat preservation system, heat preservation decoration integrative external thermal insulation system, eps/xps
Plate has net or no net Cast-in-place concrete external thermal insulation system etc..
Vacuum heat-insulating plate (vip) is the best insulation material of performance in the world today, heat conductivity minimum up to 0.004w/
(m k), also lower than heat conductivity 0.023w/ (m k) of air, it is composited by multiple material, gives full play to vacuum
Heat insulating function, maximizes the heat transfer weakening each side in material.
Vacuum heat-insulating plate (vip) is mainly made up of core, membrane material and three parts of getter, and internal core makes vacuum
Heat-insulating shield can bear outside atmospheric pressure pressure, and membrane material is the vacuum environment in order to maintain vacuum insulation intralaminar part, getter
The gas penetrating in vacuum environment or water vapour and the vacuum heat-insulating plate internal gas producing in use can be absorbed
Or water vapour.At present, above-mentioned core mostly is inorganic material plate, and above-mentioned membrane material mostly is aluminium foil, and vacuum heat-insulating plate includes inorganic material
The core of plate and the two-layer aluminium foil up and down wrapping up core with vacuum state, four side seal bond of upper and lower two-layer aluminium foil connect,
The long broad side surface of core is connected with the inner surface seal bond of aluminium foil, constitutes finished product vacuum heat-insulating plate.
The advantage of vacuum heat-insulating plate has a lot, but its shortcoming also has a lot, and its merits and demerits is equally prominent, rises main
Shortcoming is easily damaged air inlet inefficacy, splicing seams cold-heat bridge phenomenon is serious, not cleavable and cannot anchor and bore a hole etc..
Vacuum heat-insulating plate transport, deposit and construct when, pointed object, hard thing etc. be easy to pierce through vacuum heat-insulating plate
Aluminium foil, lead to its damaged air inlet, vacuum insulation effect was lost efficacy.
Therefore, the easy Problem of Failure how solving vacuum heat-insulating plate is that the technology of those skilled in the art's urgent need to resolve is asked
Topic.
Content of the invention
It is an object of the invention to provide a kind of vacuum heat-insulating plate, the feature of this vacuum heat-insulating plate unique it is not easy to damaged
Air inlet was lost efficacy.Another object of the present invention is to provide a kind of preparation method of above-mentioned vacuum heat-insulating plate.
For solving above-mentioned technical problem, the technical scheme that the present invention provides is:
The invention provides a kind of vacuum heat-insulating plate, it is hard pvc including material and upper opening of lower box, high temperature resistant
O type sealing ring and material are stainless upper capping；
One circle boss, described boss setting are provided with the internal face at opening above described lower box with rounding
On the internal face of described lower box and prominent to the internal cavities of described lower box, the upper surface of described boss offers use
In the annular groove setting described high temperature resistant o type sealing ring；
Described high temperature resistant o type sealing ring is embedded in the annular groove on described boss；
Described upper capping is pressed together on the high temperature resistant o type sealing ring on the boss of described lower box, thus constitute one by
The closed cavity of described upper capping, high temperature resistant o type sealing ring and lower box parcel, described closed cavity is that vacuum tightness is empty
Chamber；
It is provided with a circle refractory seals glue for sealing institute at outside gap between described lower box and upper capping
State the outside gap between lower box and upper capping and described lower box is linked into an integrated entity with upper capping.
Preferably, cover as one piece of rustless steel surface plate on described.
Preferably, the whole internal face of described lower box is coated with layer of metal silverskin, on the internal face of described upper capping
It is coated with layer of metal silverskin.
Present invention also offers a kind of preparation method of above-mentioned vacuum heat-insulating plate, comprise the following steps:
1) producing material by injection molding process is hard pvc and upper opening of lower box, controls described lower box
Above be provided with a circle boss with rounding on internal face at opening, described boss is arranged on the inwall of described lower box
On face and prominent to the internal cavities of described lower box, the upper surface of described boss offers for setting described high temperature resistant o
The annular groove of type sealing ring, the lower wall of described lower box offers the aspirating hole for evacuation, and described boss, annular are recessed
Groove and aspirating hole are integrally formed in injection molding process with the main body of lower box；
Matter of drawing materials is stainless upper capping；
Take high temperature resistant o type sealing ring and refractory seals glue；
2) pour step 1 into using some silver ammonia complex solution with as the aldehydes solution of reducing agent) in lower box
In carry out silver mirror reaction, silver ion is reduced on the internal face be deposited on lower box one layer of minute surface silverskin of formation；
Using some silver ammonia complex solution and as reducing agent aldehydes solution spraying in step 1) in upper capping
A long broad side surface on carry out silver mirror reaction, silver ion is reduced on the long broad side surface be deposited on capping one layer of minute surface of formation
Silverskin；
3) by step 1) in ready high temperature resistant o type sealing ring put into the ring on the boss having plated the lower box after silverskin
In connected in star, then described upper capping is pressed together on the high temperature resistant o type sealing ring on the boss of described lower box, and controls institute
State the inside of the silvered face of capping towards described lower box, thus constitute one by described upper capping, high temperature resistant o type sealing ring
And the cavity of lower box parcel, then by the aspirating hole connection vacuum pump extracting vacuum on described lower box, when described cavity
In vacuum up to standard after, with fusing after hard pvc sealing by fusing aspirating hole so that described upper capping, high temperature resistant o type sealing ring with
And the cavity of lower box parcel becomes vacuum tightness cavity；
4) described lower box and on cover between outside gap at filling one circle refractory seals glue for sealing
Outside gap between described lower box and upper capping and described lower box is linked into an integrated entity with upper capping, so far vacuum is exhausted
Hot plate machines.
The invention provides a kind of vacuum heat-insulating plate, it is hard pvc including material and upper opening of lower box, high temperature resistant
O type sealing ring and material are stainless upper capping；Described upper capping is pressed together on the high temperature resistant o on the boss of described lower box
One vacuum tightness cavity by described upper capping, high temperature resistant o type sealing ring and lower box parcel is constituted on type sealing ring；This
Apply for that the structure of vacuum heat-insulating plate providing and heat preservation principle have used for reference vacuum structure and the vacuum of stainless-steel vacuum thermos cup
Heat preservation principle, the lower box of hard pvc material is equivalent to the stainless steel inner container in stainless-steel vacuum thermos cup, stainless steel
Upper capping is equivalent to the stainless steel casing in stainless-steel vacuum thermos cup, the lower box of hard pvc material and stainless steel
Upper capping parcel vacuum tightness cavity similar to the vacuum tightness cavity in vacuum cup, this vacuum heat-insulating plate is laid
After on external wall, its interior vacuum tightness cavity is just as the vacuum tightness cavity insulation in stainless-steel vacuum thermos cup
In cup, heat equally carries out insulation to building；And the application provide vacuum heat-insulating plate equally there is vacuum heat-insulating plate must
This four functions of support frame function, vacuum sealing function, fire-proof function and the vacuum heat-preserving function that must have, by hard
The upper capping shared of the lower box of pvc material and stainless steel achieves the vacuum of aluminium foil in existing vacuum heat-insulating plate
Sealing and vacuum heat-preserving function, because the quality of the lower box of hard pvc material and the upper capping of stainless steel is hard,
Transport, deposit and work progress in it is not easy to be pierced through by pointed object, hard thing etc., it is to avoid vacuum tightness cavity occurs
Damaged air inlet, solves the problems, such as that existing vacuum heat-insulating plate easily lost efficacy.
Brief description
Fig. 1 is the structural representation of vacuum heat-insulating plate provided in an embodiment of the present invention.
In figure: 1 lower box, 101 boss, cover on 2,3 high temperature resistant o type sealing rings, 4 refractory seals glue, 5 vacuum tightnesses
Cavity, 6 aspirating holes.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of not making creative work, broadly falls into the scope of protection of the invention.
In describing the invention it is to be understood that term " " center ", " axial ", " radially ", " longitudinal ", " horizontal ",
" length ", " width ", " on ", D score, "front", "rear", "left", "right", " top ", " bottom ", " interior ", " outward ", " clockwise ", " inverse
The orientation of the instructions such as hour hands " or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description originally
Invention and simplification description, rather than indicate or imply that the device of indication or element must have specific orientation, with specifically side
Position construction and operation, are therefore not considered as limiting the invention.
With reference to Fig. 1, Fig. 1 is the structural representation of vacuum heat-insulating plate provided in an embodiment of the present invention.
At present, certain vacuum heat-insulating plate existing includes the core of inorganic material plate and wraps up core with vacuum state
Two-layer aluminium foil up and down, four side seal bond of upper and lower two-layer aluminium foil connect, and the long broad side surface of core is sealed with the inner surface of aluminium foil
Bonding connects, and constitutes finished product vacuum heat-insulating plate.
Vacuum heat-insulating plate herein includes core and aluminium foil, and wherein, mostly core is inorganic heat-insulation board, and quality is harder, serves as
The support frame of whole vacuum heat-insulating plate, function is support frame, and after vacuum heat-insulating plate completes, what the profile of core is
Sample, which type of (circle seal bond of vacuum heat-insulating plate at most many out surrounding edges is the profile of vacuum heat-insulating plate be exactly
Side, but this circle seal bond side can also folded over up so that the profile of vacuum heat-insulating plate and the profile of core are identical)；
The quality of aluminium foil is softer, and effect is the core realized within vacuum parcel, and outside fire prevention, and function is vacuum sealing
And fire prevention；
The heat insulation function of vacuum heat-insulating plate is to be realized by core and aluminium foil are common；There is no the support of core, upper and lower two-layer
Aluminium foil is impossible to be formed a vacuum chamber, and upper and lower two-layer aluminium foil will be close together, and loses vacuum heat-preserving function；No
The vacuum sealing function of aluminium foil, core is exactly a common inorganic heat-insulation board, and the not too big difference of other inorganic heat-insulation board,
Although having certain incubation and thermal insulation function, vacuum heat-preserving function phase ratio with vacuum heat-insulating plate, differ greatly, be equally to lose
Go vacuum heat-preserving function；
So far, support frame function, vacuum sealing function, fire-proof function and vacuum heat-preserving function roll into one and form this
The vacuum heat-insulating plate at place.
Based on support frame function, vacuum sealing function, fire-proof function and vacuum necessary to above-mentioned vacuum heat-insulating plate
Heat insulation function, the invention provides a kind of vacuum heat-insulating plate, is hard pvc and upper opening of lower box 1, resistance to height including material
Warm o type sealing ring 3 and material are stainless upper capping 2；
One circle boss 101, described boss are provided with the internal face at opening above described lower box 1 with rounding
On 101 internal faces being arranged on described lower box 1 and, the upper end of described boss 101 prominent to the internal cavities of described lower box 1
Annular groove for setting described high temperature resistant o type sealing ring 3 is offered on face；
Described high temperature resistant o type sealing ring 3 is embedded in the annular groove on described boss 101；
Described upper capping 2 is pressed together on the high temperature resistant o type sealing ring 3 on the boss 101 of described lower box 1, thus constitutes
One closed cavity being wrapped up by described upper capping 2, high temperature resistant o type sealing ring 3 and lower box 1, described closed cavity is true
Empty closed cavity 5；
It is provided with a circle refractory seals glue 4 for sealing at outside gap between described lower box 1 and upper capping 2
Outside gap between described lower box 1 and upper capping 2 and described lower box 12 is linked into an integrated entity with upper capping.
Herein, vacuum heat-insulating plate includes the lower box 1 of hard pvc material and the upper capping 2 of stainless steel, wherein,
The quality of the upper capping 2 of the lower box 1 of hard pvc material and stainless steel is all harder, potentially acts as whole vacuum insulation
The support frame (support frame function) of plate, after vacuum heat-insulating plate completes, the lower box 1 of hard pvc material and stainless
Which type of the profile of the upper capping 2 of steel matter is, which type of the profile of vacuum heat-insulating plate is exactly, and do not have unnecessary being exposed at
The edge of outside；And described upper capping 2 is pressed together on the high temperature resistant o type sealing ring 3 on the boss 101 of described lower box 1, thus
Constitute a vacuum tightness cavity 5 being wrapped up by described upper capping 2, high temperature resistant o type sealing ring 3 and lower box 1, be capable of
Vacuum sealing function and vacuum heat-preserving function；And the upper capping 2 of stainless steel is incombustible material, it is capable of outside fire prevention
Function；The vacuum heat-insulating plate that i.e. the application provides have the due support frame function of vacuum heat-insulating plate institute, vacuum sealing function,
Fire-proof function and vacuum heat-preserving function.
Vacuum heat-insulating plate must have support frame function, vacuum sealing function, fire-proof function and vacuum heat-preserving function
This four functions, the vacuum heat-insulating plate that the application provides also has this four functions, not any to this four functions
Individual increased or deleted, simply changed undertaking the parts realizing this four functions, by vacuum heat-insulating plate institute
The support frame function that needs, vacuum sealing function and vacuum heat-preserving function, become lower box 1 by hard pvc material with
And the upper capping 2 shared realization of stainless steel, by the fire-proof function required for vacuum heat-insulating plate by stainless steel
Upper capping 2 alone bear is realized.
The invention provides a kind of vacuum heat-insulating plate, it is hard pvc and upper opening of lower box 1, resistance to height including material
Warm o type sealing ring 3 and material are stainless upper capping 2；Described upper capping 2 is pressed together on the boss 101 of described lower box 1
High temperature resistant o type sealing ring 3 on constitute one by described upper capping 2, high temperature resistant o type sealing ring 3 and lower box 1 wrap up true
Empty closed cavity 5；The structure of vacuum heat-insulating plate that the application provides and heat preservation principle have used for reference the true of stainless-steel vacuum thermos cup
Hollow structure and vacuum heat-preserving principle, the lower box 1 of hard pvc material is equivalent in the rustless steel in stainless-steel vacuum thermos cup
Gallbladder, the upper capping 2 of stainless steel is equivalent to the stainless steel casing in stainless-steel vacuum thermos cup, the nowel of hard pvc material
The vacuum tightness cavity 5 of upper capping 2 parcel of body 1 and stainless steel is similar to the vacuum tightness cavity in vacuum cup
5, after this vacuum heat-insulating plate is laid on external wall, its interior vacuum tightness cavity 5 is just as in stainless-steel vacuum thermos cup
Vacuum tightness cavity 5 heat insulation cup in heat equally insulation is carried out to building；And the vacuum of the application offer is exhausted
Hot plate equally has support frame function, vacuum sealing function, fire-proof function and the vacuum guarantor that vacuum heat-insulating plate must have
This four functions of temperature function, are achieved by the lower box 1 of hard pvc material and upper capping 2 shared of stainless steel
The vacuum sealing of aluminium foil and vacuum heat-preserving function in existing vacuum heat-insulating plate, due to the lower box 1 and not of hard pvc material
The quality of the upper capping 2 of rust steel matter is hard, transport, deposit and work progress in it is not easy to by pointed object, hard thing etc.
Pierce through, it is to avoid vacuum tightness cavity 5 occurs damaged air inlet, solve the problems, such as that existing vacuum heat-insulating plate easily lost efficacy.
In stainless-steel vacuum thermos cup, inner bag is stainless steel, and shell is also stainless steel, and inner bag and shell
It is that metal is directly connected to sealing it is clear that heat can be connected along the metal between inner bag inner bag and shell in cup at rim of a cup
Place's shell is delivered to case surface, and then scatters and disappears in a large number on shell, for this reason, the application lower box 1 of hard pvc material
Instead of the inner bag of stainless steel, due to little many of the stainless heat conductivity of the thermal conductivity ratio of hard pvc so that by under
The heat that the side walls of casing 1 pass to capping 2 is just little, thus improve the thermal insulation separation of vacuum heat-insulating plate in the application
Thermal effect, decreases the cold-heat bridge phenomenon at the splicing seams of vacuum heat-insulating plate.
The effect of the boss 101 in the application is to provide a place to open up for setting high temperature resistant o type sealing ring 3
Annular groove, because the width of high temperature resistant o type sealing ring 3 is larger, and the thickness of the four of lower box 1 side walls need not be too big, too
The side wall of thickness, by the serious deadweight increasing vacuum heat-insulating plate, increases production cost, and also inconvenient later stage installation, arranges one for this
Boss 101, the thickness of the overwhelming majority of side wall of lower box 1 is still less, but the thickness of boss 101 is larger, opens up enough
Annular groove.
The effect of the high temperature resistant o type sealing ring 3 in the application is vacuum sealing, be arranged at lower box 1 and upper capping 2 it
Between so that the vacuum tightness cavity 5 of described upper capping 2, high temperature resistant o type sealing ring 3 and lower box 1 parcel can be formed and long
Phase keeps presence.The application is not limited to the structure of high temperature resistant o type sealing ring 3, type and specification, using in prior art
High temperature resistant o type sealing ring 3 meet above-mentioned functions needs.
The effect of refractory seals glue 4 in the application: one is outer between described lower box 1 and upper capping 2 for sealing
Latasuture gap, on the basis of the vacuum sealing of high temperature resistant o type sealing ring 3 acts on, forms secondary seal, prevents vacuum air inlet, prevent
Only vacuum is damaged；Two be using the cohesive force of refractory seals glue 4, described lower box 1 is linked into an integrated entity with upper capping 2 so that
Vacuum heat-insulating plate is unlikely to fall under normal external force and falls apart, and persistently keeps its interior vacuum tightness cavity 5, improves vacuum insulation
The service life of plate.The application is not limited to the type of refractory seals glue 4 and specification, using resistance to height of the prior art
Warm fluid sealant 4 meets above-mentioned functions needs.
In the application, the fire-proof function required for vacuum heat-insulating plate is realized by upper capping 2 alone bear of stainless steel,
It is arranged such, during using vacuum heat-insulating plate, the upper capping 2 of stainless steel is including outside, the lower box 1 of hard pvc material
Side, that is, incombustible material is in outside, in inner side, incombustible material has supported the extraneous flame of gear thus to easy inside it to combustible material
Combustible material carries out flameproof protection.Herein, people easily want that burning is produced when capping 2 is subject to flame calcination on the rustless steel in outside
Whether raw high temperature can be delivered on the hard pvc lower box 1 of inner side, and heat builds up and hard pvc lower box 1 the most at last
Fusing is so that vacuum heat-insulating plate loses vacuum heat-preserving function？To this illustration: the stir-fry of cooking used in such as kitchen
Pot, frying pan is irony, and handle has plastic sheath, long-time cooking, and has no that the plastics on handle are cased with melting phenomenon, often
It has been pot time length broken, but the plastic sheath on handle is also as excellent as before；As long as the plastic sheath not dropped on handle is placed directly in
Calcination on fire, this plastic sheath can be using for a long time；Therefore, above-mentioned suspection worries it is unnecessary.As long as fire is not
That side of upper capping 2 of rust steel matter occurs, and the upper capping 2 of stainless steel all can be under the hard pvc material inside it
Casing 1 carries out flameproof protection, and protection vacuum tightness cavity 5 exists for a long time, persistently carries out insulation to building.
In one embodiment of the invention, described upper capping 2 is one piece of rustless steel surface plate, due to rustless steel surface plate
Whole medial surface be all plane, be pressed together on high temperature resistant o type sealing ring 3 it is not easy to produce into air cleft so that vacuum environment is easy
In producing and keep for a long time, and rustless steel surface plate simple and practical it is easy to processing, the convenient lateral surface in upper capping 2 continues
Paste other sheet materials, such as decoration panel.
In one embodiment of the invention, the whole internal face of described lower box 1 is coated with layer of metal silverskin, described
It is coated with layer of metal silverskin on the internal face of upper capping 2；The propagation of heat has three kinds of approach: radiation, convection current and transmission, described on
The transmission of the vacuum-energy intercept heat in the vacuum tightness cavity 5 of capping 2, high temperature resistant o type sealing ring 3 and lower box 1 parcel,
Metal silverskin on lower box 1 and upper capping 2 has the surface of light, can be anti-along the opposite direction of its direction of propagation by heat
It is emitted back towards, reduce the radiation of heat, from heat transfer and heat radiation both approach, heat is propagated into herein
Go restriction, improve the heat insulating effect of vacuum heat-insulating plate.
Present invention also provides a kind of preparation method of above-mentioned vacuum heat-insulating plate, comprise the following steps:
1) producing material by injection molding process is hard pvc and upper opening of lower box 1, controls described lower box
One circle boss 101 is provided with the internal face at opening above 1 with rounding, described boss 101 is arranged on described nowel
On the internal face of body 1 and prominent to the internal cavities of described lower box 1, the upper surface of described boss 101 offers for embedding
Put the annular groove of described high temperature resistant o type sealing ring 3, the lower wall of described lower box 1 offers the aspirating hole for evacuation
6, described boss 101, annular groove and aspirating hole 6 are integrally formed in injection molding process with the main body of lower box 1；
Matter of drawing materials is stainless upper capping 2；
Take high temperature resistant o type sealing ring 3 and refractory seals glue 4；
2) pour step 1 into using some silver ammonia complex solution with as the aldehydes solution of reducing agent) in lower box 1
In carry out silver mirror reaction, silver ion is reduced on the internal face being deposited on lower box 1 one layer of minute surface silverskin of formation；
Using some silver ammonia complex solution and as reducing agent aldehydes solution spraying in step 1) in upper capping 2
A long broad side surface on carry out silver mirror reaction, silver ion be reduced be deposited on capping 2 long broad side surface on formed one layer of mirror
Face silverskin；
3) by step 1) in ready high temperature resistant o type sealing ring 3 put into the boss 101 having plated the lower box after silverskin 1
On annular groove in, then described upper capping 2 is pressed together on the high temperature resistant o type sealing ring on the boss 101 of described lower box 1
On 3, and control described upper capping 2 silvered face towards described lower box 1 inside, thus constitute one by described upper capping 2,
Then aspirating hole 6 on described lower box 1 is connected vacuum pump by high temperature resistant o type sealing ring 3 and the cavity of lower box 1 parcel
Extracting vacuum, after the vacuum in described cavity is up to standard, with the hard pvc sealing by fusing aspirating hole 6 after fusing so that described upper envelope
The cavity of lid 2, high temperature resistant o type sealing ring 3 and lower box 1 parcel becomes vacuum tightness cavity 5；
4) described lower box 1 and on capping 2 between outside gap at filling one circle refractory seals glue 4 for close
Seal the outside gap between described lower box 1 and upper capping 2 and described lower box 1 is linked into an integrated entity with upper capping 2, so far
Vacuum heat-insulating plate machines.
For above-mentioned steps 3) in " with fusing after hard pvc sealing by fusing aspirating hole 6 ", before refer to, the application provide
The structure of vacuum heat-insulating plate and heat preservation principle used for reference vacuum structure and the vacuum heat-preserving principle of stainless-steel vacuum thermos cup,
In the manufacturing process of stainless-steel vacuum thermos cup, employ anury vacuum technique and vacuum sealing is carried out to shell, use herein
Hard pvc sealing by fusing aspirating hole 6 after fusing is identical with above-mentioned anury vacuum technique principle, and simply sealing material has changed into and nowel
The hard pvc of the same material of body 1.
The method and apparatus of the not detailed description of the present invention is prior art, repeats no more.
Specific embodiment used herein is set forth to the principle of the present invention and embodiment, above example
Illustrate that being only intended to help understands the method for the present invention and its core concept.It should be pointed out that the common skill for the art
For art personnel, under the premise without departing from the principles of the invention, the present invention can also be carried out with some improvement and modify, these change
Enter and modify in the protection domain also falling into the claims in the present invention.
Claims (4)
1. a kind of vacuum heat-insulating plate is it is characterised in that including material is hard pvc and upper opening of lower box, high temperature resistant o type
Sealing ring and material are stainless upper capping；
One circle boss is provided with the internal face at opening above described lower box with rounding, described boss is arranged on institute
State on the internal face of lower box and prominent to the internal cavities of described lower box, the upper surface of described boss offers for embedding
Put the annular groove of described high temperature resistant o type sealing ring；
Described high temperature resistant o type sealing ring is embedded in the annular groove on described boss；
Described upper capping is pressed together on the high temperature resistant o type sealing ring on the boss of described lower box, thus constitutes one by described
The closed cavity of upper capping, high temperature resistant o type sealing ring and lower box parcel, described closed cavity is vacuum tightness cavity；
Be provided with outside gap between described lower box and upper capping a circle refractory seals glue for seal described under
Outside gap between casing and upper capping and described lower box is linked into an integrated entity with upper capping.
2. vacuum heat-insulating plate according to claim 1 is it is characterised in that cover on described as one piece of rustless steel surface plate.
3. vacuum heat-insulating plate according to claim 2 is it is characterised in that be coated with one on the whole internal face of described lower box
Layer metal silverskin, the internal face of described upper capping is coated with layer of metal silverskin.
4. a kind of preparation method of vacuum heat-insulating plate described in claim 3 is it is characterised in that comprise the following steps:
1) producing material by injection molding process is hard pvc and upper opening of lower box, controls the upper of described lower box
One circle boss is provided with the internal face at the opening of face with rounding, described boss is arranged on the internal face of described lower box
And prominent to the internal cavities of described lower box, the upper surface of described boss offer close for setting described high temperature resistant o type
The annular groove of seal, the lower wall of described lower box offers the aspirating hole for evacuation, described boss, annular groove with
And aspirating hole is integrally formed in injection molding process with the main body of lower box；
Matter of drawing materials is stainless upper capping；
Take high temperature resistant o type sealing ring and refractory seals glue；
2) pour step 1 into using some silver ammonia complex solution with as the aldehydes solution of reducing agent) in lower box in enter
Row silver mirror reaction, silver ion is reduced one layer of minute surface silverskin of formation on the internal face be deposited on lower box；
Using some silver ammonia complex solution and as reducing agent aldehydes solution spraying in step 1) in upper capping one
Carry out silver mirror reaction, silver ion is reduced one layer of mirror-like silver of formation on the long broad side surface be deposited on capping on individual long broad side surface
Film；
3) by step 1) in the annular put on the boss having plated the lower box after silverskin of ready high temperature resistant o type sealing ring recessed
In groove, then described upper capping is pressed together on the high temperature resistant o type sealing ring on the boss of described lower box, and controls on described
Capping silvered face towards described lower box inside, thus constitute one by described upper capping, high temperature resistant o type sealing ring and
The cavity of lower box parcel, then by the aspirating hole connection vacuum pump extracting vacuum on described lower box, when in described cavity
After vacuum is up to standard, with fusing after hard pvc sealing by fusing aspirating hole so that described upper capping, high temperature resistant o type sealing ring and under
The cavity of casing parcel becomes vacuum tightness cavity；
4) described lower box and on cover between outside gap at filling one circle refractory seals glue described for sealing
Outside gap between lower box and upper capping and described lower box is linked into an integrated entity with upper capping, so far vacuum heat-insulating plate
Machine.
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| CN201611068385.0A CN106352200B (en) | 2016-11-25 | 2016-11-25 | A kind of vacuum heat-insulating plate and preparation method thereof |
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| CN201611068385.0A CN106352200B (en) | 2016-11-25 | 2016-11-25 | A kind of vacuum heat-insulating plate and preparation method thereof |
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| CN106352200B CN106352200B (en) | 2018-02-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468907A (en) * | 2018-04-20 | 2018-08-31 | 宿迁南航新材料与装备制造研究院有限公司 | A kind of vacuum heat-insulating plate and preparation method thereof of fiber reinforcement nano-powder material |
| CN109276100A (en) * | 2018-08-03 | 2019-01-29 | 嘉兴市华鼎日用品有限公司 | A kind of production method of coffee pot |
| CN110316976A (en) * | 2018-03-28 | 2019-10-11 | 许浒 | A kind of vacuum heat-preserving board manufacturing method, equipment and a kind of vacuum heat-insulation plate |
| CN113969980A (en) * | 2020-07-23 | 2022-01-25 | 中国科学院微电子研究所 | Vacuum device |
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| DE10134322A1 (en) * | 2001-07-14 | 2003-01-23 | Remmers Bauchemie Gmbh | A polystyrene heat insulating body with a layer of microporous thermal insulating material useful for heat insulation of building floors and walls, for heat insulation of pipelines, cooling containers, refrigeration vehicles |
| CN201330915Y (en) * | 2008-12-30 | 2009-10-21 | 汤铁 | Heat insulation baffle |
| CN204163204U (en) * | 2014-09-16 | 2015-02-18 | 迟名华 | A kind of vacuum thermal insulation body of wall |
| CN104975661A (en) * | 2015-07-08 | 2015-10-14 | 许浒 | Metal vacuum warming plate and manufacturing method for same |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2076017U (en) * | 1990-02-21 | 1991-05-01 | 陈家山 | Plastics vacuum deposition film insulating board |
| DE10134322A1 (en) * | 2001-07-14 | 2003-01-23 | Remmers Bauchemie Gmbh | A polystyrene heat insulating body with a layer of microporous thermal insulating material useful for heat insulation of building floors and walls, for heat insulation of pipelines, cooling containers, refrigeration vehicles |
| CN201330915Y (en) * | 2008-12-30 | 2009-10-21 | 汤铁 | Heat insulation baffle |
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| CN104975661A (en) * | 2015-07-08 | 2015-10-14 | 许浒 | Metal vacuum warming plate and manufacturing method for same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110316976A (en) * | 2018-03-28 | 2019-10-11 | 许浒 | A kind of vacuum heat-preserving board manufacturing method, equipment and a kind of vacuum heat-insulation plate |
| CN108468907A (en) * | 2018-04-20 | 2018-08-31 | 宿迁南航新材料与装备制造研究院有限公司 | A kind of vacuum heat-insulating plate and preparation method thereof of fiber reinforcement nano-powder material |
| CN109276100A (en) * | 2018-08-03 | 2019-01-29 | 嘉兴市华鼎日用品有限公司 | A kind of production method of coffee pot |
| CN113969980A (en) * | 2020-07-23 | 2022-01-25 | 中国科学院微电子研究所 | Vacuum device |
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| Publication number | Publication date |
|---|---|
| CN106352200B (en) | 2018-02-06 |
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