CN106352200B - A kind of vacuum heat-insulating plate and preparation method thereof - Google Patents
A kind of vacuum heat-insulating plate and preparation method thereof Download PDFInfo
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- CN106352200B CN106352200B CN201611068385.0A CN201611068385A CN106352200B CN 106352200 B CN106352200 B CN 106352200B CN 201611068385 A CN201611068385 A CN 201611068385A CN 106352200 B CN106352200 B CN 106352200B
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- 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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Abstract
The invention discloses a kind of vacuum heat-insulating plate, including the upper capping that material is hard PVC and upper opening of lower box, high temperature resistant O-ring seal and material is stainless steel；Form a vacuum tightness cavity by the upper capping, high temperature resistant O-ring seal and lower box parcel；The structure and heat preservation principle of the vacuum heat-insulating plate that the application provides have used for reference the vacuum structure and vacuum heat-preserving principle of stainless-steel vacuum thermos cup；And the vacuum heat-insulating plate in the application equally has support frame function, vacuum sealing function, fire-proof function and vacuum heat-preserving function, vacuum sealing and vacuum heat-preserving function are realized by lower box and upper capping shared, because the quality of lower box and upper capping is hard, in transport, storage and work progress, it is not easy to be pierced through by pointed object, hard thing etc., avoid vacuum tightness cavity and damaged air inlet occurs, solve the problems, such as that existing vacuum heat-insulating plate easily fails.
Description
Technical field
The present invention relates to building material technical field, more particularly, to a kind of vacuum heat-insulating plate and preparation method thereof.
Background technology
China's building energy consumption accounts for 30% or so of national total energy consumption, and building energy conservation is to alleviate China's energy scarcity lance
Shield, condition of work of improving the people's livelihood, mitigate environmental pollution, promote the highly important work of sustainable economic development.Build
Energy-conservation is built mainly including safeguarding wall and outer door and window insulation and the section of Architectural Equipment outside building roof insulation, building
Can three parts.Country assigned documentation requirements all parts of the country new building and must do building heat preservation in October, 2007, existing to build
Build and also require to carry out time limit reducing energy consumption.
External thermal insulation system refers to use certain fixed form, such as bonding, mechanical anchor, stickup+mechanical anchor, spray
Apply, pour into a mould etc., the relatively low heat-insulating material of thermal conductivity factor is fixed as one with building masonry wall, increases the evenly heat resistance of wall,
So as to reach a kind of engineering way of insulation or effect of heat insulation.Conventional insulation material has expansion polyphenyl plate (EPS sheet), 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 show in some developed countries such as America and Europe successful application of nearly 40 years, as long as material selection obtains
When, formula is reasonable, technology measure in place, construction technology reasonable standard, application of the external thermal insulation system in building field
It is that there is enough securities, 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 wall basic unit, heat-insulation layer, overcoat, exterior wall exterior trim
Surface layer and its mutual isolating and protecting tack coat etc. are a variety of to have varying strength, adhesive property, the material institute of deformability
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
Grain heat preservation slurry external thermal insulation system, inorganic heat preservation slurry external thermal insulation system, hard-foam polyurethane (PU) plate exterior wall are protected outside
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 without net Cast-in-place concrete external thermal insulation system etc..
Vacuum heat-insulating plate (VIP) is the insulation material that performance is best in the world today, the minimum reachable 0.004W/ of thermal conductivity factor
(mK), also lower than the thermal conductivity factor 0.023W/ (mK) of air, it is combined by multiple material, gives full play to vacuum
Heat insulating function, maximize the heat transfer for weakening each side in material.
Vacuum heat-insulating plate (VIP) is mainly made up of three core, membrane material and getter parts, and internal core causes vacuum
Heat-insulating shield can bear outside atmospheric pressure pressure, and membrane material is to maintain the vacuum environment of vacuum insulation intralamellar part, getter
The gas penetrated into vacuum environment or water vapour and vacuum heat-insulating plate gas caused by inside in use can be absorbed
Or water vapour.At present, above-mentioned core is mostly inorganic material plate, and above-mentioned membrane material is mostly aluminium foil, and vacuum heat-insulating plate includes inorganic material
The core of plate and two layers of aluminium foil up and down that core is wrapped up with vacuum state, four side seal bond connections of upper and lower two layers of aluminium foil,
The inner surface seal bond connection of the long broad side surface and aluminium foil of core, forms finished product vacuum heat-insulating plate.
The advantages 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 that easy damaged air inlet failure, splicing seams cold-heat bridge phenomenon be not serious, cleavable and can not anchor and perforate etc..
In the transport of vacuum heat-insulating plate, storage and construction, pointed object, hard thing etc. are easy to pierce through vacuum heat-insulating plate
Aluminium foil, cause its damaged air inlet, vacuum insulation effect failure.
Therefore, how to solve the technology that the easy Problem of Failure of vacuum heat-insulating plate is those skilled in the art's urgent need to resolve to ask
Topic.
The content of the invention
It is unique the characteristics of the vacuum heat-insulating plate, it is not easy to damaged it is an object of the invention to provide a kind of vacuum heat-insulating plate
Air inlet is failed.Another object of the present invention is to provide a kind of preparation method of above-mentioned vacuum heat-insulating plate.
To solve above-mentioned technical problem, technical scheme provided by the invention is：
The invention provides a kind of vacuum heat-insulating plate, including material is hard PVC and upper opening of lower box, high temperature resistant
O-ring seal and the upper capping that material is stainless steel；
A circle boss is provided with above the lower box on the internal face of opening with rounding, the boss is set
It is on the internal face of the lower box and prominent to the internal cavities of the lower box, offer use on the upper surface of the boss
In the annular groove for setting the high temperature resistant O-ring seal；
The high temperature resistant O-ring seal is in the annular groove on the boss；
It is described it is upper capping be pressed together in the high temperature resistant O-ring seal on the boss of the lower box, thus form one by
The closed cavity of the upper capping, high temperature resistant O-ring seal and lower box parcel, the closed cavity are that vacuum tightness is empty
Chamber；
A circle refractory seals glue is provided with outside gap between the lower box and upper capping for sealing institute
State the outside gap between lower box and upper capping and the lower box and upper capping link into an integrated entity.
Preferably, the upper capping is one piece of stainless steel surface plate.
Preferably, layer of metal silverskin is coated with the whole internal face of the lower box, on the internal face of the 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) it is hard PVC and upper opening of lower box to produce material by injection molding process, controls the lower box
Above opening internal face on be provided with a circle boss with rounding, the boss is arranged on the inwall of the lower box
It is on face and prominent to the internal cavities of the lower box, offered on the upper surface of the boss for setting the high temperature resistant O
The annular groove of type sealing ring, the aspirating hole for vacuumizing is offered on the lower wall of the lower box, and the boss, annular are recessed
Groove and aspirating hole are integrally formed with the main body of lower box in injection molding process；
Matter of drawing materials is the upper capping of stainless steel；
Take high temperature resistant O-ring seal and refractory seals glue；
2) lower box poured into using certain amount silver ammonia complex solution and as the aldehydes solution of reducing agent in step 1)
Middle carry out silver mirror reaction, silver ion are reduced one layer of minute surface silverskin of formation on the internal face for be deposited on lower box；
Upper capping using certain amount silver ammonia complex solution and as the aldehydes solution spraying of reducing agent in step 1)
A long broad side surface on carry out silver mirror reaction, silver ion is reduced one layer of minute surface of formation on the long broad side surface for be deposited on capping
Silverskin；
3) ready high temperature resistant O-ring seal in step 1) is put into the ring on the boss of the lower box after having plated silverskin
In connected in star, then by it is described it is upper cover in the high temperature resistant O-ring seal that is pressed together on the boss of the lower box, and control institute
The silvered face of capping is stated towards the inside of the lower box, thus forms one by the upper capping, high temperature resistant O-ring seal
And the cavity of lower box parcel, the aspirating hole connection vavuum pump on the lower box is then extracted into vacuum, when the cavity
In vacuum it is up to standard after, with after fusing hard PVC seal aspirating hole so that it is described it is upper capping, high temperature resistant O-ring seal with
And the cavity of lower box parcel becomes vacuum tightness cavity；
4) filling one encloses refractory seals glue for sealing at the outside gap between the lower box and upper capping
Outside gap between the lower box and upper capping and the lower box and upper capping are linked into an integrated entity, so far vacuum is exhausted
Hot plate machines.
The invention provides a kind of vacuum heat-insulating plate, including material is hard PVC and upper opening of lower box, high temperature resistant
O-ring seal and the upper capping that material is stainless steel；The upper capping is pressed together on the high temperature resistant O on the boss of the lower box
A vacuum tightness cavity by the upper capping, high temperature resistant O-ring seal and lower box parcel is formed on type sealing ring；This
The structure and heat preservation principle of the vacuum heat-insulating plate for applying providing have used for reference the vacuum structure and vacuum of stainless-steel vacuum thermos cup
Heat preservation principle, the lower box of hard PVC material 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 and stainless steel of hard PVC material
Upper capping parcel vacuum tightness cavity be similar to vacuum cup in vacuum tightness cavity, the vacuum heat-insulating plate is laid
After on external wall, the vacuum tightness cavity in it is just as the vacuum tightness cavity insulation in stainless-steel vacuum thermos cup
Heat equally carries out insulation to building in cup；And the vacuum heat-insulating plate that the application provides equally has 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 lower box of PVC material and the upper capping shared of stainless steel realize the vacuum of aluminium foil in existing vacuum heat-insulating plate
Sealing and vacuum heat-preserving function, because the quality of the upper capping of the lower box and stainless steel of hard PVC material is hard,
In transport, storage and work progress, it is not easy to pierced through by pointed object, hard thing etc., avoid the generation of vacuum tightness cavity
Damaged air inlet, solve the problems, such as that existing vacuum heat-insulating plate easily fails.
Brief description of the drawings
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-ring seals, 4 refractory seals glue, 5 vacuum tightnesses
Cavity, 6 aspirating holes.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention 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
The part of the 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 creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " axial direction ", " radial direction ", " longitudinal direction ", " transverse direction ",
" length ", " width ", " on ", " under ", "front", "rear", "left", "right", " top ", " bottom ", " interior ", " outer ", " clockwise ", " inverse
The orientation or position relationship of the instructions such as hour hands " are based on orientation shown in the drawings or position relationship, are for only for ease of description originally
Invent and simplify description, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific side
Position construction and operation, therefore be not considered as limiting the invention.
Reference picture 1, Fig. 1 are the structural representation of vacuum heat-insulating plate provided in an embodiment of the present invention.
At present, certain existing vacuum heat-insulating plate includes the core of inorganic material plate and wraps up core with vacuum state
Upper and lower two layers of aluminium foil, four side seal bond connections of upper and lower two layers of aluminium foil, the inner surface sealing of the long broad side surface and aluminium foil of core
Bonding connection, forms finished product vacuum heat-insulating plate.
Vacuum heat-insulating plate herein includes core and aluminium foil, wherein, core is mostly 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 more out surrounding edges is the profile of vacuum heat-insulating plate be exactly
Side, but the circle seal bond side can also it is folded over up so that the profile of vacuum heat-insulating plate is identical with the profile of core)；
The quality of aluminium foil is softer, and effect is to realize the core inside vacuum parcel, and outside fire prevention, and function is vacuum sealing
And fire prevention；
The heat insulation function of vacuum heat-insulating plate is realized jointly by core and aluminium foil；There is no a support of core, upper and lower two layers
Aluminium foil is impossible to form a vacuum chamber, and upper and lower two layers of aluminium foil will be close together, and lose vacuum heat-preserving function；No
The vacuum sealing function of aluminium foil, core are exactly a common inorganic heat-insulation board, and other inorganic heat-insulation boards are without too big difference,
Although with certain incubation and thermal insulation function, the 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 to 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, including material is hard PVC and upper opening of lower box 1, resistance to height
Warm O-ring seal 3 and material are the upper capping 2 of stainless steel；
A circle boss 101, the boss are provided with above the lower box 1 on the internal face of opening with rounding
101 are arranged on the internal face of the lower box 1 and prominent to the internal cavities of the lower box 1, the upper end of the boss 101
The annular groove for setting the high temperature resistant O-ring seal 3 is offered on face；
The high temperature resistant O-ring seal 3 is in the annular groove on the boss 101；
The upper capping 2 is pressed together in the high temperature resistant O-ring seal 3 on the boss 101 of the lower box 1, is thus formed
One closed cavity wrapped up by upper capping 2, high temperature resistant O-ring seal 3 and the lower box 1, the closed cavity is true
Empty closed cavity 5；
A circle refractory seals glue 4 is provided with outside gap between the lower box 1 and upper capping 2 for sealing
Outside gap between the lower box 1 and upper capping 2 and the lower box 1 and upper cover 2 are linked into an integrated entity.
Herein, vacuum heat-insulating plate includes the upper capping 2 of the lower box 1 and stainless steel of hard PVC material, wherein,
The quality of the upper capping 2 of the lower box 1 and stainless steel of hard PVC material is 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 material is, which type of the profile of vacuum heat-insulating plate is exactly, and is exposed at without unnecessary
The edge of outside；And the upper capping 2 is pressed together in the high temperature resistant O-ring seal 3 on the boss 101 of the lower box 1, thus
A vacuum tightness cavity 5 wrapped up by upper capping 2, high temperature resistant O-ring seal 3 and the lower box 1 is formed, can be realized
Vacuum sealing function and vacuum heat-preserving function；And the upper capping 2 of stainless steel is incombustible material, can realize 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 to any the one of this four functions
It is individual to be increased or deleted, it will simply undertake the parts of realizing this four functions and changed, by vacuum heat-insulating plate institute
Support frame function, vacuum sealing function and the vacuum heat-preserving function needed, become by the lower box 1 of hard PVC material with
And the shared of upper capping 2 of stainless steel is realized, by the fire-proof function required for vacuum heat-insulating plate by stainless steel
2 alone bears of upper capping are realized.
The invention provides a kind of vacuum heat-insulating plate, including material is hard PVC and upper opening of lower box 1, resistance to height
Warm O-ring seal 3 and material are the upper capping 2 of stainless steel；The upper capping 2 is pressed together on the boss 101 of the lower box 1
High temperature resistant O-ring seal 3 on form one wrapped up by the upper capping 2, high temperature resistant O-ring seal 3 and lower box 1 it is true
Empty closed cavity 5；The structure and heat preservation principle for the vacuum heat-insulating plate that the application provides 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 stainless steel in stainless-steel vacuum thermos cup
Courage, 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 that the upper capping 2 of body 1 and stainless steel is wrapped up is similar to the vacuum tightness cavity in vacuum cup
5, after the vacuum heat-insulating plate is laid on external wall, the vacuum tightness cavity 5 in it is just as in stainless-steel vacuum thermos cup
The heat insulation cup of vacuum tightness cavity 5 in heat equally to building carry out insulation；And the vacuum that the application provides is exhausted
Hot plate equally with vacuum heat-insulating plate must with support frame function, vacuum sealing function, fire-proof function and vacuum protect
This four functions of temperature function, are realized by the lower box 1 of hard PVC material and the shared of upper capping 2 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 for steel material of becoming rusty is hard, in transport, storage and work progress, it is not easy to by pointed object, hard thing etc.
Pierce through, avoid vacuum tightness cavity 5 and damaged air inlet occurs, solve the problems, such as that existing vacuum heat-insulating plate easily fails.
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 seal at rim of a cup, it is clear that heat can connect along inner bag-metal between inner bag and shell in cup
Place-shell is delivered to case surface, and then is largely scattered and disappeared on shell, therefore, the lower box 1 of the application hard PVC material
The inner bag of stainless steel is instead of, due to small more of the thermal conductivity factor of the thermal conductivity ratio stainless steel of hard PVC so that under
The side walls of casing 1 pass to the heat of capping 2 with regard to seldom, so as to improve the thermal insulation separation of vacuum heat-insulating plate in the application
Thermal effect, reduce the cold-heat bridge phenomenon at the splicing seams of vacuum heat-insulating plate.
The effect of boss 101 in the application is to provide a place to open up for setting high temperature resistant O-ring seal 3
Annular groove, because the width of high temperature resistant O-ring seal 3 is larger, and the thickness of four side walls of lower box 1 need not be too big, too
Thick side wall will seriously increase the deadweight of vacuum heat-insulating plate, increase production cost, and also inconvenient later stage installation, one is set for this
Boss 101, most thickness of the side wall of lower box 1 are still smaller, but the thickness of boss 101 is larger, opens up enough
Annular groove.
The effect of high temperature resistant O-ring seal 3 in the application is vacuum sealing, be arranged at lower box 1 with it is upper capping 2 it
Between so that the vacuum tightness cavity 5 that upper capping 2, high temperature resistant O-ring seal 3 and the lower box 1 wrap up can be formed and length
Phase keeps existing.The application is not limited to the structure, type and specification of high temperature resistant O-ring seal 3, using in the prior art
High temperature resistant O-ring seal 3 meet above-mentioned function needs.
The effect of refractory seals glue 4 in the application：It is first, outer between the lower box 1 and upper capping 2 for sealing
Latasuture gap, on the basis of the vacuum sealing effect of high temperature resistant O-ring seal 3, secondary seal is formed, prevents vacuum air inlet, is prevented
Only vacuum is damaged；Second, the lower box 1 and upper capping 2 are linked into an integrated entity using the cohesive force of refractory seals glue 4 so that
Vacuum heat-insulating plate, which is unlikely to fall under normal external force, to fall apart, and persistently keeps the vacuum tightness cavity 5 in it, improves vacuum insulation
The service life of plate.The application is not limited to the type and specification of refractory seals glue 4, using resistance to height of the prior art
Warm fluid sealant 4 meets above-mentioned function needs.
In the application, the fire-proof function required for vacuum heat-insulating plate is realized by the alone bear of upper capping 2 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, in outside, for combustible material in inner side, incombustible material has supported the extraneous flame of gear so as to easy on the inside of it
Combustible material carries out flameproof protection.Herein, people are easily want when capping 2 is by flame calcination on the stainless steel in outside, burning production
Whether raw high temperature can be delivered on the hard PVC lower box 1 of inner side, and heat is built up and most hard PVC lower box 1 at last
Fusing so that vacuum heat-insulating plate loses vacuum heat-preserving functionTo this illustration：Such as the stir-fry of the cooking used in kitchen
Pot, frying pan is irony, there is plastic sheath, long-time cooking on handle, and has no that the plastics on handle are cased with melting phenomenon, often
It is to have grown pot time to break, 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, the plastic sheath can use for a long time；Therefore, above-mentioned suspection worries it is unnecessary.As long as fire is not
That side of upper capping 2 for steel material of becoming rusty occurs, and the upper capping 2 of stainless steel all can be under the hard PVC material on the inside of it
Casing 1 carries out flameproof protection, and the long-time of protection vacuum tightness cavity 5 is present, and persistently carries out insulation to building.
In one embodiment of the invention, the upper capping 2 is one piece of stainless steel surface plate, due to stainless steel surface plate
Whole medial surface be all plane, be pressed together in high temperature resistant O-ring seal 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 stainless steel surface plate is simple and practical, easy to process, convenient to continue on the lateral surface of upper capping 2
Paste other sheet materials, such as decoration panel.
In one embodiment of the invention, layer of metal silverskin is coated with the whole internal face of the lower box 1, it is described
Layer of metal silverskin is coated with the internal face of upper capping 2；The propagation of heat has three kinds of approach：Radiation, convection current and transmission, it is described on
The transmission of vacuum-energy intercept heat in the vacuum tightness cavity 5 that capping 2, high temperature resistant O-ring seal 3 and lower box 1 wrap up,
Metal silverskin on lower box 1 and upper capping 2 has bright surface, can be anti-along the opposite direction of its direction of propagation by heat
It is emitted back towards, reduces the radiation of heat, i.e., radiates from heat transfer and heat and heat is propagated into herein in both approach
Go limitation, 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) it is hard PVC and upper opening of lower box 1 to produce material by injection molding process, controls the lower box
A circle boss 101 is provided with above 1 on the internal face of opening with rounding, the boss 101 is arranged on the nowel
It is on the internal face of body 1 and prominent to the internal cavities of the lower box 1, offered on the upper surface of the boss 101 for embedding
The annular groove of the high temperature resistant O-ring seal 3 is put, the aspirating hole for vacuumizing is offered on the lower wall of the lower box 1
6, the boss 101, annular groove and aspirating hole 6 are integrally formed with the main body of lower box 1 in injection molding process；
Matter of drawing materials is the upper capping 2 of stainless steel；
Take high temperature resistant O-ring seal 3 and refractory seals glue 4；
2) lower box 1 poured into using certain amount silver ammonia complex solution and as the aldehydes solution of reducing agent in step 1)
Middle carry out silver mirror reaction, silver ion, which is reduced, is deposited on one layer of minute surface silverskin of formation on the internal face of lower box 1；
Upper capping 2 using certain amount silver ammonia complex solution and as the aldehydes solution spraying of reducing agent in step 1)
A long broad side surface on carry out silver mirror reaction, silver ion, which is reduced to be deposited on the long broad side surface of capping 2, forms one layer of mirror
Face silverskin；
3) ready high temperature resistant O-ring seal 3 in step 1) is put into the boss 101 of the lower box after having plated silverskin 1
On annular groove in, the upper capping 2 is then pressed together on high temperature resistant O-ring seals on the boss 101 of the lower box 1
On 3, and control the silvered face of the upper capping 2 towards the inside of the lower box 1, thus form one by the upper capping 2,
The cavity that high temperature resistant O-ring seal 3 and lower box 1 wrap up, then connects vavuum pump by the aspirating hole 6 on the lower box 1
Vacuum is extracted, after the vacuum in the cavity is up to standard, seals aspirating hole 6 with the hard PVC after fusing so that the upper envelope
The cavity that lid 2, high temperature resistant O-ring seal 3 and lower box 1 wrap up becomes vacuum tightness cavity 5；
4) filling one encloses refractory seals glue 4 for close at the outside gap between the lower box 1 and upper capping 2
Seal the lower box 1 and the upper outside gap covered between 2 and the lower box 1 and upper capping 2 link into an integrated entity, so far
Vacuum heat-insulating plate machines.
For above-mentioned steps 3) in " with fusing after hard PVC sealing aspirating hole 6 ", before refer to, the application provide
Vacuum heat-insulating plate structure and heat preservation principle used for reference the vacuum structure and 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, use herein are carried out to shell
Hard PVC sealing 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 1 same material of body.
The method and apparatus of the not detailed description of the present invention are prior art, are repeated no more.
Specific embodiment used herein is set forth to the principle and embodiment of the present invention, above example
Illustrate to be only intended to help the method and its core concept for understanding the present invention.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, some improvement and modification can also be carried out to the present invention, these change
Enter and modify to also fall into the protection domain of the claims in the present invention.
Claims (1)
- A kind of 1. preparation method of vacuum heat-insulating plate, it is characterised in that the vacuum heat-insulating plate include material be hard PVC and on Lower box, high temperature resistant O-ring seal and the material of face opening are the upper capping of stainless steel；A circle boss is provided with above the lower box on the internal face of opening with rounding, the boss is arranged on institute State on the internal face of lower box and prominent to the internal cavities of the lower box, offered on the upper surface of the boss for embedding Put the annular groove of the high temperature resistant O-ring seal；The high temperature resistant O-ring seal is in the annular groove on the boss；The upper capping is pressed together in the high temperature resistant O-ring seal on the boss of the lower box, thus forms one by described The closed cavity of upper capping, high temperature resistant O-ring seal and lower box parcel, the closed cavity is vacuum tightness cavity；Be provided with outside gap between the lower box and upper capping a circle refractory seals glue for seal it is described under Outside gap between casing and upper capping and the lower box and upper capping are linked into an integrated entity；The upper capping is one piece of stainless steel surface plate；Layer of metal silverskin is coated with the whole internal face of the lower box, layer of metal is coated with the internal face of the upper capping Silverskin；The preparation method comprises the following steps：1) it is hard PVC and upper opening of lower box to produce material by injection molding process, controls the upper of the lower box A circle boss is provided with the internal face of face opening with rounding, the boss is arranged on the internal face of the lower box And it is prominent to the internal cavities of the lower box, offered on the upper surface of the boss O-shaped close for setting the high temperature resistant The annular groove of seal, offers the aspirating hole for vacuumizing on the lower wall of the lower box, the boss, annular groove with And aspirating hole is integrally formed with the main body of lower box in injection molding process；Matter of drawing materials is the upper capping of stainless steel；Take high temperature resistant O-ring seal and refractory seals glue；2) pour into the lower box in step 1) using certain amount silver ammonia complex solution and as the aldehydes solution of reducing agent Row silver mirror reaction, silver ion are reduced one layer of minute surface silverskin of formation on the internal face for be deposited on lower box；One of upper capping using certain amount silver ammonia complex solution and as the aldehydes solution spraying of reducing agent in step 1) Silver mirror reaction is carried out on individual long broad side surface, silver ion is reduced one layer of mirror-like silver of formation on the long broad side surface for be deposited on capping Film；3) ready high temperature resistant O-ring seal in step 1) is put into annular recessed on the boss of the lower box after having plated silverskin In groove, then by it is described it is upper cover in the high temperature resistant O-ring seal that is pressed together on the boss of the lower box, and control on described The silvered face of capping towards the inside of the lower box, thus form one by the upper capping, high temperature resistant O-ring seal and The cavity of lower box parcel, the aspirating hole connection vavuum pump on the lower box is then extracted into vacuum, when in the cavity After vacuum is up to standard, with after fusing hard PVC seal aspirating hole so that it is described it is upper capping, high temperature resistant O-ring seal and under The cavity of casing parcel becomes vacuum tightness cavity；4) filling one encloses refractory seals glue for described in sealing at the outside gap between the lower box and upper capping Outside gap between lower box and upper capping and the lower box and upper capping are linked into an integrated entity, so far vacuum heat-insulating plate Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN106352200A CN106352200A (en) | 2017-01-25 |
| CN106352200B true CN106352200B (en) | 2018-02-06 |
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| 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 | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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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