CN203770948U - Low-edge vacuum thermal insulation board with heat bridge effect - Google Patents
Low-edge vacuum thermal insulation board with heat bridge effect Download PDFInfo
- Publication number
- CN203770948U CN203770948U CN201420035207.8U CN201420035207U CN203770948U CN 203770948 U CN203770948 U CN 203770948U CN 201420035207 U CN201420035207 U CN 201420035207U CN 203770948 U CN203770948 U CN 203770948U
- Authority
- CN
- China
- Prior art keywords
- aluminum
- heat
- aluminium foil
- plastic composite
- film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000000694 effects Effects 0.000 title claims abstract description 23
- 238000009413 insulation Methods 0.000 title abstract description 15
- 239000004033 plastic Substances 0.000 claims abstract description 28
- 229920003023 plastic Polymers 0.000 claims abstract description 28
- 239000002131 composite material Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000011162 core material Substances 0.000 claims abstract description 9
- 239000005030 aluminium foil Substances 0.000 claims description 45
- 239000012528 membrane Substances 0.000 claims description 24
- 229920002799 BoPET Polymers 0.000 claims description 13
- 238000005538 encapsulation Methods 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 abstract description 17
- 239000002985 plastic film Substances 0.000 abstract description 2
- 229920006255 plastic film Polymers 0.000 abstract description 2
- 239000011888 foil Substances 0.000 abstract 8
- 238000004321 preservation Methods 0.000 abstract 2
- 210000004379 membrane Anatomy 0.000 description 16
- 239000004698 Polyethylene Substances 0.000 description 11
- 239000012774 insulation material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 210000002469 basement membrane Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Thermal Insulation (AREA)
Abstract
The utility model discloses a low-edge vacuum thermal insulation board with the heat bridge effect. The board achieves the aims that the heat bridge effect caused by the structure is reduced, thermal conductivity coefficients of the vacuum thermal insulation board are lower, and more energy is saved. The board comprises an aluminum foil bag made of aluminum plastic composite films, a heat insulation core material is placed in the aluminum foil bag, the aluminum foil bag is sealed to form the vacuum thermal insulation board with sealing openings in the periphery, and the board is characterized in that the overlapping width of aluminum foil or aluminum laminated films in aluminum plastic composite films at the sealing openings is smaller than the width of the sealing openings, that is, the aluminum foil or the aluminum laminated films in the aluminum plastic composite films at the sealing openings in the periphery retract in the bag. Due to the fact that the overlapping heat conduction area is reduced, the heat bridge effect which enables the heat preservation performance to be reduced is weakened, meanwhile, the edges of the aluminum foil or the aluminum laminated films are sealed by plastic films, with the relatively poor heat conduction performance, on the inner faces and the outer faces of the aluminum foil or the aluminum laminated films and are not exposed out, direct heat exchange between the aluminum foil or the aluminum laminated films and the outside is prevented, the heat insulation and preservation performance of the vacuum heat insulation board is greatly improved, and the energy saving effect is better.
Description
Technical field
The utility model belongs to heat-insulation material, refers more particularly to the vacuum heat-insulating plate of low edge heat bridge effect.
Background technique
Vacuum heat-insulating plate (VIP plate) is the abbreviation of English Vacuum Insulation Panel; a kind of in vacuum thermal insulating material; it is to be composited by filling core and vacuum protection top layer; the heat transmission that it avoids cross-ventilation to cause effectively; therefore thermal conductivity can significantly reduce, and is less than 0.003w/m.k, and does not contain any ODS material; having environmental protection and energy-efficient characteristic, is current comparatively good thermal insulation material in the world.Aluminium foil bag and insulated core material that vacuum heat-insulating plate is made by aluminum-plastic composite membrane conventionally form, wherein insulated core material is placed in aluminium foil bag, in high vacuum packaging machine, encapsulation forms vacuum heat-insulating plate as shown in Figure 1, and aluminium foil bag is to be compounded with plastic pellicle on the two sides of aluminium foil or aluminizer, aluminium foil and aluminizer are the good materials of a kind of thermal conductivity, owing to playing the bag surrounding of sealing process, be directly to be bondd (centre separates without insulated core material) by two-layer aluminum-plastic composite membrane, by heat, conduct and the heat on two surperficial aluminum-plastic composite membranes before and after vacuum heat-insulating plate can be transmitted mutually, reduce the effect of heat insulation of vacuum heat-insulating plate.In order to reduce this edge heat bridge effect, there are many vacuum heat-insulating plates to adopt the lapping that does not contain aluminium foil as patent publication No.: CN102720923A vacuum heat-insulating plate and preparation method thereof, but for having reflective thermal radiation or having the thermal shield of shielding requirements, its insulation of vacuum heat-insulating plate, heat-shielding performance without aluminium foil will reduce greatly, for there being just cannot meeting of shielding requirements.Therefore, design and a kind ofly both used aluminum-plastic composite membrane but the lower vacuum heat-insulating plate of thermal conductivity, insulation, heat-shielding performance tool for energy saving, raising equipment or device are of great significance, and this is also that current numerous scientific and technical personnel attempt to solve and the problem that always do not solved.
Model utility content
The purpose of this utility model is to reduce the heat bridge effect causing because of structure, improves insulation effect, makes VIP vacuum heat-insulating plate heat conductivity factor lower, more energy-conservation.
In order to reach above-mentioned effect, the technical solution of the utility model is: it is the aluminium foil bag of being made by aluminum-plastic composite membrane, in aluminium foil bag, be placed with insulated core material, aluminium foil bag is formed on through encapsulation the vacuum heat-insulating plate that surrounding has sealing, it is characterized in that the width that aluminium foil in sealing part aluminum-plastic composite membrane or aluminizer overlap width are less than sealing, in the aluminium foil in surrounding sealing part aluminum-plastic composite membrane or aluminizer are retracted within.
Aluminium foil in described sealing part aluminum-plastic composite membrane or aluminizer overlap width are 1-8 millimeter.
The structure of described aluminum-plastic composite membrane be successively from outside to inside by: PET film, NY film, aluminium foil or aluminizer and PE film or NY film, PET film, aluminium foil or aluminizer and PE film or NY film, aluminium foil or aluminizer, PET film and PE film or PET film, aluminium foil or aluminizer, NY film and PE film-stack are composited.
According to the vacuum heat-insulating plate of the low edge heat bridge effect of said structure design, the reducing in surrounding seal widths due to the high aluminium foil of thermal conductivity or aluminizer, reduced the heat transfer area overlapping, the heat bridge effect that thermal insulation property is declined weakens, simultaneously owing to sealing inside contracting of outer rim aluminium foil or aluminizer, the edge of aluminium foil or aluminizer is sealed by heat-conducting property relatively poor plastic film in two sides inside and outside aluminium foil or aluminizer and outside not being exposed to, also aluminium foil or aluminizer and the exchange of extraneous direct heat have been stoped, the performance of the heat insulation of vacuum heat-insulating plate and insulation is improved greatly, energy-saving effect is better.
Accompanying drawing explanation
Fig. 1 is the sectional view of existing vacuum heat-insulating plate;
Fig. 2 is the vacuum heat-insulating plate sectional view of low edge heat bridge effect.
In figure: 1, aluminum-plastic composite membrane; 2, aluminium foil bag; 3, insulated core material; 4, sealing; 5, aluminium foil or aluminizer; 6, PET film; 7, NY film; 8, PE film.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model will be further described.
Fig. 2 is the sectional view of the vacuum heat-insulating plate of low edge heat bridge effect.As seen from the figure, it is the aluminium foil bag 2 of being made by aluminum-plastic composite membrane 1, in aluminium foil bag 2, be placed with insulated core material 3, aluminium foil bag 2 is formed on through encapsulation the vacuum heat-insulating plate that surrounding has sealing 4, aluminium foil 5 overlap width A in sealing in 4 place's aluminum-plastic composite membranes 1 are less than the width B of sealing, and surrounding is sealed in aluminium foil in 4 place's aluminum-plastic composite membranes 1 or aluminizer 5 be retracted within.Aluminium foil or aluminizer 5 overlap widths in described sealing 4 place's aluminum-plastic composite membranes 1 are 1-8 millimeter.The structure of described aluminum-plastic composite membrane 1 is by PET film 6, NY film 7, aluminium foil or aluminizer 5 and PE film 8 is stacked is composited from outside to inside successively.The structure of aluminum-plastic composite membrane 1 can also be also NY film 7, PET film 6, aluminium foil or aluminizer 5 and PE film 8 is stacked is composited from outside to inside successively, or NY film 7, aluminium foil or aluminizer 5, PET film 6 and PE film 8 is stacked is composited, or PET film 6, aluminium foil or aluminizer 5, NY film 7 and PE film 8 is stacked is composited.Described aluminium foil refers to the thin slice forming with after the calendering of highly purified aluminium, and aluminizer refers to the thin slice that the steam deposit buildup with aluminium forms on basement membrane.Above-mentioned PET is that PETG, NY are that nylon, PE are polyethylene.
Claims (6)
1. the vacuum heat-insulating plate of low edge heat bridge effect, it is the aluminium foil bag of being made by aluminum-plastic composite membrane, in aluminium foil bag, be placed with insulated core material, aluminium foil bag is formed on through encapsulation the vacuum heat-insulating plate that surrounding has sealing, it is characterized in that the width that aluminium foil in sealing part aluminum-plastic composite membrane or aluminizer overlap width are less than sealing, in the aluminium foil in surrounding sealing part aluminum-plastic composite membrane or aluminizer are retracted within.
2. the vacuum heat-insulating plate of low edge heat bridge effect according to claim 1, is characterized in that aluminium foil or the aluminizer overlap width in described sealing part aluminum-plastic composite membrane is 1-8 millimeter.
3. the vacuum heat-insulating plate of low edge heat bridge effect according to claim 1 and 2, the structure that it is characterized in that described aluminum-plastic composite membrane be successively from outside to inside by: PET film, NY film, aluminium foil or aluminizer, PE film-stack are composited.
4. the vacuum heat-insulating plate of low edge heat bridge effect according to claim 1 and 2, the structure that it is characterized in that described aluminum-plastic composite membrane be successively from outside to inside by: NY film, PET film, aluminium foil or aluminizer, PE film-stack are composited.
5. the vacuum heat-insulating plate of low edge heat bridge effect according to claim 1 and 2, the structure that it is characterized in that described aluminum-plastic composite membrane be successively from outside to inside by: NY film, aluminium foil or aluminizer, PET film, PE film-stack are composited.
6. the vacuum heat-insulating plate of low edge heat bridge effect according to claim 1 and 2, the structure that it is characterized in that described aluminum-plastic composite membrane be successively from outside to inside by: PET film, aluminium foil or aluminizer, NY film, PE film-stack are composited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035207.8U CN203770948U (en) | 2014-01-08 | 2014-01-08 | Low-edge vacuum thermal insulation board with heat bridge effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035207.8U CN203770948U (en) | 2014-01-08 | 2014-01-08 | Low-edge vacuum thermal insulation board with heat bridge effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770948U true CN203770948U (en) | 2014-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420035207.8U Expired - Lifetime CN203770948U (en) | 2014-01-08 | 2014-01-08 | Low-edge vacuum thermal insulation board with heat bridge effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759097A (en) * | 2014-01-08 | 2014-04-30 | 嘉兴环亚包装有限公司 | Vacuum insulation panel with low edge thermal bridge effect |
-
2014
- 2014-01-08 CN CN201420035207.8U patent/CN203770948U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759097A (en) * | 2014-01-08 | 2014-04-30 | 嘉兴环亚包装有限公司 | Vacuum insulation panel with low edge thermal bridge effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |