CN102673028A - Vacuum thermal insulation board and production method thereof - Google Patents
Vacuum thermal insulation board and production method thereof Download PDFInfo
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- CN102673028A CN102673028A CN2012101905948A CN201210190594A CN102673028A CN 102673028 A CN102673028 A CN 102673028A CN 2012101905948 A CN2012101905948 A CN 2012101905948A CN 201210190594 A CN201210190594 A CN 201210190594A CN 102673028 A CN102673028 A CN 102673028A
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- cellular board
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- vacuum heat
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Abstract
The invention relates to the field of composite thermal insulation material, in particular to a vacuum thermal insulation board taking a cellular board as a core layer, and a production method of the vacuum thermal insulation board. The vacuum thermal insulation board takes the cellular board as the core layer, the upper part is completed coated with a barrier film, and the vacuum thermal insulation board is made by vacuumizing; the cellular board has the thickness of 3-50mm and the honeycomb aperture of 1-50mm, and can be a plastic cellular board, a paper cellular board, a wood cellular board, an inorganic material cellular board, a straw fiber cellular board or plastic-wood cellular board; the cellular board is provided with a hole or without a hole; and the surface layer of the cellular board is provided with a covering layer made of non-woven fabrics, fiber cloth, fabric, plastic sheet or metal sheet. Compared with the existing thermal insulation board, the vacuum thermal insulation board takes the cellular board as the core layer, thus improving the porosity of the core layer to the greatest extent, facilitating the formation of low vacuum, reducing the coefficient of heat conductivity and achieving a good thermal insulation effect; and the core layer is good in isotropy and stability is hard to deform, and has remarkable bending resistance and excellent buffer performance.
Description
[technical field]
The present invention relates to the compound insulating material field, a kind of specifically is the vacuum heat-insulation plate and the production method thereof of sandwich layer with the cellular board.
[background technology]
Vacuum heat-preserving is based on following principle: along with gas pressure intensity reduces; Gas density also reduces, and the gas molecule mean free path increases, and collision frequency and intensity with gas molecule and chamber wall between gas molecule weaken relatively; It is slow to cause heat transmission to slow down, and reaches the effect of insulation.
Therefore in actual production process; Utilize vavuum pump that enclosure space is vacuumized and form the certain vacuum degree, promptly obtain the insulation material of hollow form, its typical case's representative is a vacuum flask; But it is very big related that its heat insulation effect and vacuum and shell selection and shape have, so the scope of application is subject to many limitations.
In order to overcome the limitation of hollow form insulation material, on the basis that vacuumizes, fill the solid material sandwich layer, the typical case is represented as the vacuum heat-insulation plate of the filling silicon-dioxide powdery of German v-a-tec production, and the insulation material that has sandwich layer uses the field extensive.Can be divided into two kinds of forms by the core material branch; A kind of is to be filler with the hollow powder body material, and another kind then is as sandwich layer, no matter the sandwich layer of which kind of form with hollow sheeting or intermediate supports material paste outside sheet material; Its heat-insulating property is all relevant with voidage; Voidage is more little, and vacuum is just big more, and heat insulating coefficient is just high more.
[summary of the invention]
The objective of the invention is to improve deficiency of the prior art, the vacuum heat-insulation plate of a kind of high strength, high vacuum, low energy consumption, high heat insulating coefficient is provided, can be made into different shape according to actual needs, have a kind of novel evacuated insulation material of high performance-price ratio.
For realizing above-mentioned purpose, design a kind of vacuum heat-insulation plate, it is characterized in that with the cellular board being sandwich layer, at its sandwich layer outer wrap Obstruct membrane up and down, make vacuum heat-insulation plate through vacuumizing.
Described cellular board thickness is 3mm-50mm; The honeycomb aperture is 1mm-50mm.
Cellular board adopts plastic honeycomb board or honeycomb card board or Wood honeycomb board or inorganic material cellular board or stalk fibre cellular board or moulds wood cellular board, and cellular board is provided with boring or does not hole.
The cellular board surface layer is provided with nonwoven or cloth or fabric or plastic sheet or metal sheet cover layer.
Obstruct membrane is provided with the MULTILAYER COMPOSITE choke film that blocks water, and adopts aluminium foil, PA, PE or similar obstruction seals material to process.
Four end faces of cellular board are provided with frame to strengthen honeycomb edges of boards end intensity; Be provided with desiccant-filled or getter in the honeycomb.
A kind of production method of vacuum heat-insulation plate, cellular board outer wrap closed Obstruct membrane, the cellular board sandwich layer of sealing forms vacuum chamber; The cellular board face covers nonwoven or glass cloth or fabric or plastic sheet or metal sheet, and punching links to each other to realize the honeybee chamber between each hole of cellular board, for ease of vacuumizing; The aperture is 0.1mm-2mm, and the cellular board material adopts plastic honeycomb board or honeycomb card board or Wood honeycomb board or inorganic material cellular board or stalk fibre cellular board or moulds wood cellular board, and cellular board thickness is 3mm-50mm; The honeycomb aperture is 1mm-50mm; Four end faces of cellular board are provided with frame to strengthen honeycomb edges of boards end intensity, are provided with the filling absorbent in the honeycomb, and Obstruct membrane is provided with the MULTILAYER COMPOSITE choke film that blocks water; Process vacuum heat-insulation plate through vacuumizing, vacuum is confirmed according to actual instructions for use.
The present invention compares with existing warming plate; Have structural advantage, can improve to greatest extent more than the sandwich layer voidage to 70% as sandwich layer with cellular board specifically, more help the formation of low vacuum; Can reduce thermal conductivity factor, better heat preservation in higher degree ground; The honeycomb sandwich layer is because of having isotropism, so good stability, and is not yielding, and having outstanding resistance to compression anti-bending strength and excellent in cushioning properties can; Honeycomb sandwich layer inside configuration is cell independently, after vacuumizing, can effectively block air movement, and thermal conductivity factor is geometry level and descends, and therefore has good sound absorption, heat-proof quality; Few because of materials with cellular board as the vacuum heat-insulation plate of sandwich layer, economize on resources and energy consumption, and recyclable basically, belong to the low carbon products of environmental protection.
Warming plate of the present invention also can be according to actual industrial and mineral change shape; Be applied even more extensively in multiple place and operating mode; Can be widely used in various field of thermal insulation, for example body of wall, roofing, floor are heat insulation, door and window, refrigerator car, freezer, insulated container, petrochemical industry storage tank, silo, passenger vehicle, train, steamer, refrigerator, electric cooker, micro-wave oven, thermos cup, incubator, pipe insulation, special freezing and commercial Application.
[description of drawings]
Fig. 1 is the embodiment of the invention one or embodiment two cutaway views;
Fig. 2 is the embodiment of the invention three cutaway views;
Fig. 3 is the embodiment of the invention four cutaway views;
Fig. 4 is the embodiment of the invention five cutaway views;
Fig. 5 is a cellular board partial top view of the present invention;
1. vacuum heat-insulation plates, 2. Obstruct membranes, 3. cover layers, 4. cellular boards, 5. through holes, 6. absorbents, 7. frames among the figure.
[specific embodiment]
Below in conjunction with accompanying drawing and embodiment the present invention is done further elaboration, its product configurations and production method can realize for a person skilled in the art.
The present invention utilizes the relativeness of gas pressure intensity and gas molecule collision frequency and intensity, utilizes the cellular board sandwich layer to increase the system voidage, more helps forming low vacuum, causes thermal conductivity factor to reduce, and heat transfer rate is slack-off, reaches the effect of insulation.
On this principle basis, design a kind of vacuum heat-insulation plate 1, to form by Obstruct membrane 2, cover layer 3, cellular board 4, through hole 5, absorbent 6 and frame 7, its concrete component shape, installation site relation detail among five embodiment below:
Embodiment one
As shown in Figure 1, vacuum heat-insulation plate 1 comprises Obstruct membrane 2, nonwoven cover layer 3 and plastic honeycomb board 4.Its production method, the cellular board material adopts plastic honeycomb board, and thickness is 10mm; The honeycomb aperture is 8mm, and its shape is as shown in Figure 5, and plastic honeycomb board 4 outsides are wrapped up closed Obstruct membrane 2 up and down; Obstruct membrane 2 is provided with the MULTILAYER COMPOSITE choke film that blocks water, and specifically selects seven layers of composite barrier film of materials such as aluminium foil, PA, glass cloth in the present embodiment for use, and the cellular board sandwich layer of sealing forms vacuum chamber; The cellular board face covers nonwoven cover layer 3, processes vacuum heat-insulation plate 1 through vacuumizing.
Embodiment two
Vacuum heat-insulation plate among the embodiment two and embodiment one only difference are that sandwich layer selects honeycomb card board 3 for use, and other are with embodiment one, and this vacuum heat-insulation plate light weight, cost are low.
Its production method, the cellular board material adopts honeycomb card board 3, and thickness is 8mm; The honeycomb aperture is 20mm, and its shape is as shown in Figure 5, and honeycomb card board 4 outsides are wrapped up closed Obstruct membrane 2 up and down; Obstruct membrane 2 is provided with the MULTILAYER COMPOSITE choke film that blocks water, and specifically selects three layers of composite barrier film of materials such as aluminium foil, PA, glass cloth in the present embodiment for use, and the cellular board sandwich layer of sealing forms vacuum chamber; The cellular board face covers nonwoven cover layer 3, processes vacuum heat-insulation plate 1 through vacuumizing.
Embodiment three
As shown in Figure 2, the vacuum heat-insulation plate among the embodiment three is with the difference of embodiment one: cover layer 3 is plastic sheet; Sandwich layer cellular board 4 honeycomb walls are provided with through hole 5, and each honeybee chamber is linked to each other, and the aperture is 0.1-3mm; Other are with embodiment one, and the characteristics of this warming plate are that surface smoothness is high.
Its production method, the cellular board material adopts plastic honeycomb board, and thickness is 15mm; The honeycomb aperture is 12mm, and its shape is as shown in Figure 5, and plastic honeycomb board 4 outsides are wrapped up closed Obstruct membrane 2 up and down; Obstruct membrane 2 is provided with the MULTILAYER COMPOSITE choke film that blocks water, and specifically selects seven layers of composite barrier film of materials such as aluminium foil, PA, glass cloth in the present embodiment for use, and the cellular board sandwich layer of sealing forms vacuum chamber; Cellular board face plastic covering sheet material cover layer 3; Punching connects adjacent honeybee chamber between each hole of cellular board, and the punching aperture is 0.1mm-2mm, processes vacuum heat-insulation plate 1 through vacuumizing.
Embodiment four
As shown in Figure 3, vacuum heat-insulation plate among the embodiment four is in the honeybee chamber of cellular board 4, to add absorbent 6 with the difference of embodiment one, and other are with embodiment one, and the characteristics of this warming plate are that the vacuum decay is slow, longer service life.
Its production method, the cellular board material adopts plastic honeycomb board, and thickness is 20mm; The honeycomb aperture is 1mm-50mm, and its shape is as shown in Figure 5, and plastic honeycomb board 4 outsides are wrapped up closed Obstruct membrane 2 up and down; Obstruct membrane 2 is provided with the MULTILAYER COMPOSITE choke film that blocks water, and specifically selects seven layers of composite barrier film of materials such as aluminium foil, PA, glass cloth in the present embodiment for use; The cellular board sandwich layer of sealing forms vacuum chamber; The cellular board face covers nonwoven cover layer 3, is provided with in the honeycomb to fill absorbent 6, processes vacuum heat-insulation plate 1 through vacuumizing.
Embodiment five
As shown in Figure 4, the vacuum heat-insulation plate among the embodiment five is that with embodiment one difference sandwich layer cellular board 4 peripheries inlay frame 7, and other are with embodiment 1, but the characteristics of this warming plate are the vacuum of Nai Genggao, and surfacing is attractive in appearance, and intensity is high.
Its production method, the cellular board material adopts plastic honeycomb board, and thickness is 10mm; The honeycomb aperture is 1mm-50mm, and its shape is as shown in Figure 5, and plastic honeycomb board 4 outsides are wrapped up closed Obstruct membrane 2 up and down; Obstruct membrane 2 is provided with the MULTILAYER COMPOSITE choke film that blocks water; Specifically select seven layers of composite barrier film of materials such as aluminium foil, PA, glass cloth in the present embodiment for use, the cellular board sandwich layer of sealing forms vacuum chamber, and the cellular board face covers nonwoven cover layer 3; Four end faces of cellular board are provided with frame to strengthen honeycomb edges of boards end intensity, process vacuum heat-insulation plate 1 through vacuumizing.
Claims (6)
1. a vacuum heat-insulation plate is characterized in that with the cellular board being sandwich layer, at its sandwich layer outer wrap Obstruct membrane up and down, makes vacuum heat-insulation plate through vacuumizing.
2. a kind of vacuum heat-insulation plate as claimed in claim 1 is characterized in that described cellular board thickness is 3mm-50mm, and the honeycomb aperture is 1mm-50mm.
3. a kind of vacuum heat-insulation plate as claimed in claim 1 is characterized in that cellular board adopts plastic honeycomb board or honeycomb card board or Wood honeycomb board or inorganic material cellular board or stalk fibre cellular board or moulds wood cellular board, and cellular board is provided with boring or does not hole.
4. a kind of vacuum heat-insulation plate as claimed in claim 1 is characterized in that the cellular board surface layer is provided with nonwoven or cloth or fabric or plastic sheet or metal sheet cover layer.
5. like claim 1 or 3 described a kind of vacuum heat-insulation plates, it is characterized in that Obstruct membrane is provided with the MULTILAYER COMPOSITE choke film that blocks water, and adopts aluminium foil, PA, PE or similar obstruction seals material to process.
5. a kind of vacuum heat-insulation plate as claimed in claim 1 is characterized in that four end faces of cellular board are provided with frame to strengthen honeycomb edges of boards end intensity; Be provided with desiccant-filled or getter in the honeycomb.
6. the production method of a vacuum heat-insulation plate is characterized in that cellular board outer wrap closed Obstruct membrane, and the cellular board sandwich layer of sealing forms vacuum chamber; The cellular board face covers nonwoven or glass cloth or fabric or plastic sheet or metal sheet, and punching links to each other to realize the honeybee chamber between each hole of cellular board, for ease of vacuumizing; The aperture is 0.1mm-2mm, and the cellular board material adopts plastic honeycomb board or honeycomb card board or Wood honeycomb board or inorganic material cellular board or stalk fibre cellular board or moulds wood cellular board, and cellular board thickness is 3mm-50mm; The honeycomb aperture is 1mm-50mm; Four end faces of cellular board are provided with frame to strengthen honeycomb edges of boards end intensity, are provided with the filling absorbent in the honeycomb, and Obstruct membrane is provided with the MULTILAYER COMPOSITE choke film that blocks water; Process vacuum heat-insulation plate through vacuumizing, vacuum is confirmed according to actual instructions for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012101905948A CN102673028A (en) | 2012-06-11 | 2012-06-11 | Vacuum thermal insulation board and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101905948A CN102673028A (en) | 2012-06-11 | 2012-06-11 | Vacuum thermal insulation board and production method thereof |
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| CN102673028A true CN102673028A (en) | 2012-09-19 |
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| CN2012101905948A Pending CN102673028A (en) | 2012-06-11 | 2012-06-11 | Vacuum thermal insulation board and production method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107981664A (en) * | 2017-12-25 | 2018-05-04 | 保靖县金锋陶瓷有限责任公司 | A kind of heat-insulated shatter-resistant ceramic cup and preparation method thereof |
| CN110253976A (en) * | 2019-06-25 | 2019-09-20 | 泰安市捷宜复合材料科技有限公司 | A kind of vacuum heat-insulation corrugated sandwich board |
| CN110422487A (en) * | 2015-04-30 | 2019-11-08 | 特洛依海伦有限公司 | Heat insulation cap |
| CN111536369A (en) * | 2020-04-26 | 2020-08-14 | 西安海宏包装有限责任公司 | Honeycomb-structure vacuum insulation box and processing technology thereof |
| CN112976739A (en) * | 2021-03-24 | 2021-06-18 | 湖北亚飞新材料有限公司 | Weather-resistant composite board |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2326149Y (en) * | 1998-04-22 | 1999-06-30 | 徐原 | Vacuum heat-insulation plate |
| CN202702704U (en) * | 2012-06-11 | 2013-01-30 | 胡再兴 | Vacuum heat retaining board |
-
2012
- 2012-06-11 CN CN2012101905948A patent/CN102673028A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2326149Y (en) * | 1998-04-22 | 1999-06-30 | 徐原 | Vacuum heat-insulation plate |
| CN202702704U (en) * | 2012-06-11 | 2013-01-30 | 胡再兴 | Vacuum heat retaining board |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422487A (en) * | 2015-04-30 | 2019-11-08 | 特洛依海伦有限公司 | Heat insulation cap |
| CN107981664A (en) * | 2017-12-25 | 2018-05-04 | 保靖县金锋陶瓷有限责任公司 | A kind of heat-insulated shatter-resistant ceramic cup and preparation method thereof |
| CN110253976A (en) * | 2019-06-25 | 2019-09-20 | 泰安市捷宜复合材料科技有限公司 | A kind of vacuum heat-insulation corrugated sandwich board |
| CN111536369A (en) * | 2020-04-26 | 2020-08-14 | 西安海宏包装有限责任公司 | Honeycomb-structure vacuum insulation box and processing technology thereof |
| CN111536369B (en) * | 2020-04-26 | 2022-06-03 | 西安海宏包装有限责任公司 | Honeycomb-structure vacuum insulation box and processing technology thereof |
| CN112976739A (en) * | 2021-03-24 | 2021-06-18 | 湖北亚飞新材料有限公司 | Weather-resistant composite board |
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Application publication date: 20120919 |