CN211821324U - Vacuum insulation panel free of surface damage - Google Patents
Vacuum insulation panel free of surface damage Download PDFInfo
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- CN211821324U CN211821324U CN201921620451.XU CN201921620451U CN211821324U CN 211821324 U CN211821324 U CN 211821324U CN 201921620451 U CN201921620451 U CN 201921620451U CN 211821324 U CN211821324 U CN 211821324U
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Abstract
The utility model discloses a vacuum heat insulation panel without fear of surface damage, including at least two layers of vacuum insulation structure layers, namely an inner vacuum insulation structure layer and at least one outer vacuum insulation structure layer wrapped outside the inner vacuum insulation structure layer, the inner vacuum insulation structure layer comprises an inner core plate, the inner core plate is provided with a mounting groove of a gas suction material, the gas suction material is arranged in the mounting groove, an inner high barrier gas film bag is sleeved outside the inner core plate provided with the gas suction material, the inner high barrier gas film bag provided with the inner core plate is vacuumized and heat-sealed by a high vacuum hot air device to form the inner vacuum insulation structure layer; the outer vacuum heat insulation structure layer is made by an outer core plate and an outer high vacuum barrier film wrapped outside the outer core plate through vacuum pumping and heat sealing by high vacuum heat sealing equipment. The vacuum insulation panel without the fear of surface damage has the advantages of simple structure, good heat insulation effect, no bulging, no expansion and no water absorption after surface damage, and can keep good heat insulation performance.
Description
Technical Field
The utility model relates to a heat preservation, thermal-insulated, fire prevention panel technical field, concretely relates to not fear damaged vacuum insulation panels in surface.
Background
With the emphasis on energy conservation and emission reduction in various countries, the heat insulation technology is rapidly developed, and the vacuum heat insulation plate is more and more concerned as a novel heat insulation material and a novel heat insulation device. The vacuum insulation panel comprises an insulation core material, a high-barrier film, an adsorbent and the like, wherein the high-barrier film can effectively reduce gas permeation into the insulation system, maintain the internal vacuum degree and keep the product performance. At present, a single-layer core plate and a single-layer barrier film structure are mostly adopted in the market, the structure can prevent gas from permeating to a certain degree, but along with the lapse of time, the film material can be damaged, and the gas enters the inside of a system to damage a vacuum structure, so that the heat insulation performance of a product is failed.
In view of the above circumstances, it is necessary to design a new film structure to improve the thermal insulation performance of the product. When the composite material is applied to the fields of building outer walls, refrigerators, freezers and the like, the energy consumption can be reduced, and the heat insulation performance can be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide a simple structure, adiabatic effectual, long service life, be not afraid of the surface damage, leak gas, not bloated behind the surface damage, a not feared damaged vacuum insulation panels in surface that mass production low in manufacturing cost.
In order to achieve the purpose, the technical scheme of the utility model is to design a vacuum insulation panel without fear of surface damage, the vacuum insulation panel comprises at least two layers of vacuum insulation structure layers, namely an inner vacuum insulation structure layer and at least one outer vacuum insulation structure layer wrapped outside the inner vacuum insulation structure layer, the inner vacuum insulation structure layer comprises an inner core plate, a mounting groove of a gas suction material is arranged on the inner core plate, the gas suction material is arranged in the mounting groove, an inner high-barrier gas film bag is sleeved outside the inner core plate provided with the gas suction material, and the inner high-barrier gas film bag provided with the inner core plate is vacuumized and heat-sealed by high-vacuum equipment to form the inner vacuum insulation structure layer; the outer vacuum heat insulation structure layer is made by an outer core plate and outer high-barrier gas film bags wrapped outside the outer core plate through vacuumizing and heat sealing by high-vacuum heat sealing equipment, the outer core plate and the outer high-barrier gas film bags wrapped on the outer core plate are alternately repeated for multiple times to form a multilayer vacuum heat insulation structure layer, the edge of each outer core plate is provided with an edge structure, and the edge structures are connected with the outer core plate or the edge structures and the outer core plate form an integral structure.
In order to ensure that the inner high-barrier gas film bag and the outer high-barrier gas film bag have sufficient strength and good sealing performance respectively, the preferable technical scheme is that the inner high-barrier gas film bag and the outer high-barrier gas film bag respectively comprise more than 5 of a glass fiber braided layer, a nylon layer, an aluminized PET layer, a PET layer, an EVOH layer, an aluminum foil layer and a PE plastic film layer which are compounded in any sequence.
In order to facilitate the large-area quick adhesion of the vacuum insulation panels to the surface of the outer wall of the building body and ensure the smooth and attractive appearance of the constructed wall surface, the preferred technical scheme is that the inner vacuum insulation structure layer is of a plate type structure, and each outer vacuum insulation structure layer is of a plate type structure.
In order to facilitate the bonding of the outermost core plate after vacuumizing and the outer high-barrier gas film bag together so as to form the integral structure of the vacuum insulation panel, and simultaneously, the outer core plate and the outer high-barrier gas film bag can not be separated under the condition that the outer high-barrier gas film bag is damaged, so that the vacuum insulation panel is expanded, and meanwhile, the sealing position and the butt joint position of the inner high-barrier gas film bag and the outer high-barrier gas film bag can be firmly bonded after being heated.
In order to facilitate the bonding of the vacuumized outermost outer core plate and the outer high-barrier gas film bag together, so as to form the integral structure of the vacuum insulation panel, and simultaneously ensure that the outer core plate and the outer high-barrier gas film bag cannot be separated under the condition that the outer high-barrier gas film bag is damaged, thereby causing the bulging of the vacuum insulation panel, and simultaneously ensure that the sealing part and the butt joint part of the inner high-barrier gas film bag and the outer high-barrier gas film bag are firmly bonded after being heated.
In order to facilitate the bonding of the outermost outer core plate after the evacuation and the outer high-barrier gas film bag together, so as to constitute the overall structure of the vacuum insulation panel, simultaneously can ensure that under the condition that the outer high-barrier gas film bag is damaged, the outer core plate can not be separated from the outer high-barrier gas film bag, thereby causing the bulging of the vacuum insulation panel, simultaneously can ensure that the sealing position and the butt joint position of the inner high-barrier gas film bag and the outer high-barrier gas film bag are firmly bonded after being heated, further preferred technical scheme is also provided, the bonding layer is a hot-melt adhesive layer, the adhesive raw material is a hot-melt adhesive.
In order to ensure that the vacuum insulation panel has good heat insulation and fire prevention effects and simultaneously facilitate reduction of manufacturing cost of the vacuum insulation panel, a further preferred technical scheme is that the inner core plate and the outer core plate are both made of one material or any combination material of glass fiber, meteorological silica, an inorganic fiber plate and aerogel, and the inner high-barrier air film bag and the outer high-barrier air film bag can be both made of composite films containing glass fiber.
In order to avoid the damage to the external vacuum heat insulation structure layer caused by external impact or scratch as much as possible and enable the surface of the external vacuum heat insulation structure layer to have certain hardness, toughness and puncture resistance, a further preferable technical scheme is that the puncture resistance strength of the outermost external high-barrier air film bag is more than or equal to 21N.
In order to ensure that the vacuum insulation panel has certain strength, good heat insulation and fire resistance and is not easy to break, a further preferable technical scheme is that each outer vacuum insulation structure layer is filled with an inner vacuum insulation structure layer or an upper outer vacuum insulation structure layer.
The utility model has the advantages and the beneficial effects that: the vacuum insulation panel without fear of surface damage has the characteristics of simple structure, good insulation effect, long service life, no fear of surface damage, no air leakage after surface damage, no bulging, low batch production and manufacturing cost and the like.
The vacuum insulation board at least has two layers of vacuum insulation structures, and the core board and the high-barrier air film bag are bonded by glue and/or adhesion to form an integral structure. Therefore, even if the surface of the vacuum insulation panel is damaged, air does not enter the vacuum insulation panel of the inner layer. And the gas entering the damaged part under the action of the adhesive can not be diffused, so that the core plate and the high-barrier gas film bag are separated, and the film bag is expanded. In addition, if aerogel or hot melt viscose is added into one material or any combination material of glass fiber, meteorological silica and an inorganic fiber board, the aerogel or hot melt viscose is put into a high-barrier air film bag in a core board and is vacuumized, and then is subjected to heating treatment, so that the vacuum insulation board structure can be realized, and meanwhile, the layers are bonded into an integral structure through the aerogel or hot melt viscose, so that air can not enter other parts in the vacuum insulation board even if the local part is damaged. Therefore, the vacuum insulation panel has better heat insulation and fire prevention performance than the existing vacuum insulation panel. Meanwhile, special tool equipment is adopted in batch production, the production cost is not obviously increased, and the thickness of each layer of core plate can be correspondingly reduced in proportion due to the fact that the number of the core plate layers is increased, so that the total thickness of the vacuum heat-insulating plate cannot be obviously increased.
Drawings
Fig. 1 is a schematic cross-sectional structural view of the vacuum insulation panel of the present invention;
FIG. 2 is one of the schematic views of the exploded structure of FIG. 1 with the high barrier gas film pouch removed;
fig. 3 is a second schematic diagram of the exploded structure of fig. 1 with the high barrier gas film bag removed.
In the figure: 1. an inner core board; 2. an inner high-barrier air film bag; 3. an inner vacuum heat insulation structure layer; 4. an outer core board; 4.1, edge structure; 5. an outer high barrier gas film bag; 6. and an outer vacuum heat insulation structure layer.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, 2 and 3, the utility model relates to a vacuum insulation panel without fear of surface damage, the vacuum insulation panel comprises two layers of vacuum insulation structure layers, namely an inner vacuum insulation structure layer 3 and an outer vacuum insulation structure layer 6 wrapping the outer part of the inner vacuum insulation structure layer 3, the inner vacuum insulation structure layer 3 comprises an inner core plate 1, a mounting groove of a getter material is arranged on the inner core plate 1, the getter material is arranged in the mounting groove, an inner high barrier gas film bag 2 is sleeved outside the inner core plate provided with the getter material, the inner high barrier gas film bag 2 provided with the inner core plate 1 is vacuumized and heat-sealed by high vacuum equipment to form the inner vacuum insulation structure layer 3; the outer vacuum heat insulation structure layer is made by vacuumizing and heat-sealing an outer core plate 4 and outer high-barrier gas film bags 5 wrapped outside the outer core plate 4 by high-vacuum heat sealing equipment, and the outer core plate 4 and the outer high-barrier gas film bags 5 wrapped on the outer core plate 4 are alternately repeated for multiple times to form a multi-layer vacuum heat insulation structure layer; the inner high-barrier gas film bag 2 and the outer high-barrier gas film bag 5 respectively comprise a glass fiber woven layer, a nylon layer, an aluminized PET plastic film layer, an aluminum foil layer and a PE plastic film layer which are sequentially compounded, the inner surface of the outer high-barrier gas film bag is adhered with an adhesive layer, and two vacuum heat-insulation structure layers can be used as a preferred implementation scheme. In the practical engineering use process, the core plate layer of the vacuum heat insulation plate and the high-resistance gas-barrier film bag layer wrapping the core plate layer can be alternately repeated for multiple times to form the multilayer vacuum heat insulation plate according to the heat insulation requirements of specific engineering on the vacuum heat insulation plate and different requirements on the thickness requirements, the manufacturing cost and the like of the vacuum heat insulation plate.
In order to facilitate the large tracts of land to attach vacuum insulation panels on the outer wall surface of the building body fast, can ensure moreover that the wall after the construction is level and smooth pleasing to the eye, the utility model discloses preferred embodiment is, interior vacuum insulation structural layer 3 is plate structure, and every outer vacuum insulation structural layer 6 also is plate structure.
In order to facilitate the bonding of the outermost outer core plate 4 after the evacuation and the outer high-barrier gas film bag 5 together, so as to constitute the overall structure of the vacuum insulation panel, simultaneously can ensure that the outer high-barrier gas film bag 5 is damaged under the circumstances, the outer core plate 4 can not be separated from the outer high-barrier gas film bag 5, thereby cause the bulging of the vacuum insulation panel, simultaneously can ensure that the sealing part of the inner high-barrier gas film bag 2 and the outer high-barrier gas film bag 5, the butt joint part is firmly bonded after being heated, the utility model discloses a further preferred embodiment is that, at least the surface of the outermost outer core plate 4 of the outer vacuum insulation structure layer 6 and the inner surfaces of the inner high-barrier gas film bag 2 and the outer high-barrier gas film bag 5 of each layer are all attached with the bonding layer. Of course, adhesive layers may be attached to the outer surface of the inner core sheet 1, the inner and outer surfaces of each of the outer core sheets 4 except the outermost one of the outer core sheets 4, and the inner and outer surfaces of each of the inner high-barrier air film bags 2 and the outer high-barrier air film bags 5 except the outermost high-barrier air film bags 5.
In order to facilitate the bonding of the outermost outer core plate 4 after the evacuation and the outer high-barrier gas film bag 5 together, so as to constitute the overall structure of the vacuum insulation panel, simultaneously can ensure that the outer high-barrier gas film bag 5 is damaged under the condition, the outer core plate 4 and the outer high-barrier gas film bag 5 can not be separated from each other, thereby causing the bulging of the vacuum insulation panel, and simultaneously can ensure that the sealing part and the butt joint of the inner high-barrier gas film bag 2 and the outer high-barrier gas film bag 5 are firmly bonded after being heated, the utility model discloses a further preferred embodiment is at least in the raw materials of the outermost outer core plate 4 of the outer vacuum insulation structure layer 6 and the inner raw materials of the inner high-barrier gas film bag 2 and the outer high-barrier gas film bag 5 of each layer are added with viscose raw materials. Of course, the raw materials of the inner core plate 1, the raw materials of each outer core plate 4 except the outermost one of the outer core plates 4, and the raw materials of the inner and outer surfaces of each inner high-barrier gas film bag 2 and each outer high-barrier gas film bag 5 except the outermost high-barrier gas film bag 5 may be added with the viscose raw materials.
In order to facilitate the outermost outer core plate 4 after the evacuation to bond together with outer high resistant separation gas film bag 5, so as to constitute vacuum insulation panels's overall structure, can ensure simultaneously that outer high resistant separation gas film bag 5 is by under the damaged condition, can not deviate from between outer core plate 4 and the outer high resistant separation gas film bag 5, thereby cause vacuum insulation panels's tympanites, can ensure simultaneously that interior high resistant separation gas film bag 2 is with outer high resistant separation gas film bag 5 seal department, butt joint department by the heating after the bonding firm, the utility model discloses a further preferred embodiment still, the tie coat is hot melt adhesive layer, sticky raw materials is the hot melt viscose. Of course, other viscose materials can be selected.
In the outer vacuum insulation structural layer 6 of parcel formula is put into to the outer vacuum insulation structural layer 3 of the convenient for with in, or in placing the outer vacuum insulation structural layer 6 of next layer parcel formula again in the outer vacuum insulation structural layer 6 of the convenient for parcel formula, also for the convenience of the processing preparation of core plate layer simultaneously, the further preferred embodiment still has every outer core plate 4's edge all is equipped with edge structure 4.1, and edge structure 4.1 is connected with outer core plate 4, or edge structure 4.1 constitutes overall structure with outer core plate 4. The edge structure can be a frame.
In order to ensure that the vacuum insulation panel has good heat insulation and fire prevention effects, and simultaneously, in order to reduce the manufacturing cost of the vacuum insulation panel, the utility model also has the preferred embodiment that the inner core plate 1 and the outer core plate 4 are made of one material or any combination material of glass fiber, meteorological silica, inorganic fiber plate and aerogel, and the inner high-barrier gas film bag 2 and the outer high-barrier gas film bag 5 are made of composite films containing glass fiber.
In order to avoid the damage that external impact or fish tail caused to external vacuum insulation structural layer as far as possible, make its surface have certain hardness, toughness and resistant puncture characteristic, the utility model discloses further preferred embodiment still, outermost outer high resistant separates its resistant puncture strength more than or equal to 21N of gas film bag 5.
In order to ensure that the vacuum insulation panel has certain intensity, has good thermal insulation, fire behavior simultaneously, and is not fragile, the utility model discloses further preferred embodiment still every the outer vacuum insulation structural layer 6 is interior all to be filled with interior vacuum insulation structural layer 3 or the outer vacuum insulation structural layer 6 of last one deck.
The manufacturing process of the vacuum heat insulation plate comprises the following steps: the manufacturing embodiment of the inner core plate 1 is made of glass fiber cotton with the diameter of 1.5-9 um and the length of 5-20mm produced by a centrifugal method;
the manufacturing method comprises the following specific steps:
(1) taking glass fiber cotton with the diameter of 1.5-9 um and the length of 5-20mm produced by a centrifugal method;
(2) adding water into glass fiber cotton, stirring uniformly, and then feeding the glass fiber cotton into a slurry preparation tank for dilution to a diluted concentration of 0.3-1%;
(3) feeding the diluted glass fiber cotton slurry into a slurry storage tank;
(4) feeding the slurry in the slurry storage tank into a front box of a net, and then dehydrating and forming the glass fiber cotton by using a forming net to obtain a glass fiber cotton core material blank;
(5) flattening the surfaces of the glass fiber core material blanks in the longitudinal direction and the transverse direction by adopting a compression roller, and adjusting the thickness of the glass fiber core material blanks to make the thicknesses of the glass fiber core material blanks consistent;
(6) putting the shaped glass fiber core material blank into a vacuum negative pressure environment to remove 50-65% of water in the glass fiber core material blank;
(7) then, feeding the glass fiber core material blank with 50% -65% of water removed into a baking oven for drying and curing, wherein the temperature in the baking oven is controlled to be 120-250 ℃, and the baking time is 10-30 minutes; forming a whole glass fiber core material plate after baking;
(8) then cooling the whole glass fiber core material plate to normal temperature;
(9) cutting the whole glass fiber core material plate according to the use requirement to manufacture the standard glass fiber core material;
(10) sheathing the glass fiber core material in a high-barrier gas film bag with an opening at one end for continuous pumpingVacuum treatment is carried out for 3-20 minutes until the vacuum degree is 5 x 10-3Pa~3*100Pa；
(11) Then heating the port of the inner high-barrier air film bag 2, the high-barrier air film bag and the glass fiber core material together for hot melting and packaging to prepare an inner vacuum heat insulation structure layer 3;
(12) the manufacturing process of the outer core plate 4 is repeated by the steps 1 to 9, and edge structures are respectively manufactured and can be integrated with the core plate;
(13) after the inner vacuum heat insulation structure layer 3 manufactured in the step 11 is arranged in the outer core plate 4, repeating the steps 10-12 to manufacture a first outer vacuum heat insulation structure layer 6;
(14) and repeating the working procedures from 12 th to 13 th for many times if the multilayer vacuum insulation panel needs to be manufactured.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A vacuum insulation panel without fear of surface damage is characterized in that the vacuum insulation panel comprises at least two layers of vacuum insulation structure layers, namely an inner vacuum insulation structure layer and at least one outer vacuum insulation structure layer wrapped outside the inner vacuum insulation structure layer, the inner vacuum insulation structure layer comprises an inner core plate, an installation groove of a gas suction material is arranged on the inner core plate, the gas suction material is arranged in the installation groove, an inner high-barrier gas film bag is sleeved outside the inner core plate provided with the gas suction material, and the inner high-barrier gas film bag provided with the inner core plate is vacuumized and heat-sealed by high-vacuum equipment to form the inner vacuum insulation structure layer; the outer vacuum heat insulation structure layer is made by an outer core plate and outer high-barrier gas film bags wrapped outside the outer core plate through vacuumizing and heat sealing by high-vacuum heat sealing equipment, the outer core plate and the outer high-barrier gas film bags wrapped on the outer core plate are alternately repeated for multiple times to form a multilayer vacuum heat insulation structure layer, the edge of each outer core plate is provided with an edge structure, and the edge structures are connected with the outer core plate or the edge structures and the outer core plate form an integral structure.
2. The vacuum insulation panel without fear of surface damage according to claim 1 wherein the inner high-barrier gas film pouch and the outer high-barrier gas film pouch are compounded of 5 or more of a glass fiber woven layer, a nylon layer, an aluminum-plated PET layer, a PET layer, an EVOH layer, an aluminum foil layer, and a PE plastic film layer in any order.
3. A vacuum insulation panel of claim 1 wherein said inner vacuum insulation structural layer is of panel construction and each outer vacuum insulation structural layer is of panel construction.
4. A vacuum insulation panel of claim 2 wherein said outer vacuum insulation structural layer has an outer core layer and inner high barrier gas film bags adhered to the outer core layer and inner high barrier gas film bags.
5. A vacuum insulation panel of claim 2 wherein said outer vacuum insulation structural layer has a top layer and a bottom layer, and said inner high barrier air film bag and said outer high barrier air film bag are bonded together by a bonding agent.
6. A vacuum insulation panel of claim 4 wherein said outermost core panel has an outer high barrier gas film pouch having a puncture resistance of 21N or greater.
7. A vacuum insulation panel of claim 5 wherein each of said outer vacuum insulation layers is filled with one of the inner vacuum insulation structure layers and the outer vacuum insulation structure layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921620451.XU CN211821324U (en) | 2019-09-26 | 2019-09-26 | Vacuum insulation panel free of surface damage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921620451.XU CN211821324U (en) | 2019-09-26 | 2019-09-26 | Vacuum insulation panel free of surface damage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211821324U true CN211821324U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921620451.XU Active CN211821324U (en) | 2019-09-26 | 2019-09-26 | Vacuum insulation panel free of surface damage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211821324U (en) |
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2019
- 2019-09-26 CN CN201921620451.XU patent/CN211821324U/en active Active
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