CN200975587Y - Vacuum thermal insulation plate - Google Patents
Vacuum thermal insulation plate Download PDFInfo
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- CN200975587Y CN200975587Y CN 200520112605 CN200520112605U CN200975587Y CN 200975587 Y CN200975587 Y CN 200975587Y CN 200520112605 CN200520112605 CN 200520112605 CN 200520112605 U CN200520112605 U CN 200520112605U CN 200975587 Y CN200975587 Y CN 200975587Y
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- vacuum
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Abstract
The utility model relates to a vacuum heat insulating plate, which is composed of an obstruction film and a heat preservation slate, the heat preservation slate is positioned in a vacuum chamber formed by the obstruction film. The utility model is structurally characterized in that the outside of the obstruction film is provided with a protection layer of nylon film, the inner side of the obstruction film is provided with a polythene heat-sealing layer, a groove is arranged on the heat preservation slate, the groove is provided with gas sorbent inside. The utility model provides a new efficient heat insulating material that is made by the theory of vacuum thermal insulation so as to isolate heat conduction by greatly increasing the internal vacuum to the utmost. The utility model has the advantages of environment protection and energy saving.
Description
Technical field
The utility model relates to the thermal-protective material on the heat-preserving equipments such as being widely used in refrigerator, refrigerator-freezer, refrigerator car, freezer, water heater, particularly a kind of vacuum heat-insulating plate.
Background technique
At present, its thermal insulating material of known heat-preserving equipment is generally used the PU foam material, reach the energy-saving heat preserving effect, and the thickness of often taking to strengthen thermal insulation layer solves, more than the PU foam material thickness arrival 110mm as the refrigerator sidewall; Moreover the PU foam material adopts CFC CFC to consume ozone, destroys ecotope, if with substituting stabilizer, though satisfied environmental protection, higher because of its thermal conductivity, reduced the heat-shielding performance of foam, therefore, need to consume the more energy.
In a word, traditional vacuum insulation panel, usually form with barrier film vacuum seal warming plate, because the restriction of technology and material, have internal vacuum low (generally more than 13.32Pa), the barrier film barrier property is low, the non-environmental protection of core, and traditional vacuum insulation panel thermal conductivity does not meet energy-conservation shortcoming greater than 0.010W/mk.
The model utility content
The purpose of this utility model is, in order to overcome the above-mentioned deficiency of existing vacuum insulation panel, thereby provide a kind of vacuum heat-insulating plate, reach heat-preserving equipment insulation thickness under same volume and lower, it is low to be incubated power consumption under same volume, and the purpose of compliance with environmental protection requirements.
For achieving the above object, vacuum heat-insulating plate of the present utility model, comprise barrier film layer and warming plate, described warming plate is arranged in the formed vacuum-sealed cavity of barrier film layer, it is characterized in that, the outer surface of described barrier film layer has one deck nylon film protective layer, and its internal surface has the layer of polyethylene hot sealing layer; Offer a groove on the described warming plate, be placed with adsorbent in this groove.
Described barrier film layer adopts OTR oxygen transmission rate and the extremely low composite material of water vapour permeability to make; At least contain ethylene-vinyl alcohol copolymer in the composite material, or contain multi-layer co-extruded polyester nano-complex film at least; Or contain noncrystalline polyamide resin membrane of lipoprotein at least.Described barrier film layer can be provided with more than three layers, can make with above-mentioned different material respectively, also can make with identical materials.
The support core of described warming plate (Insulating material) has adopted the superfine glass fibre.The thermal conductivity of superfine glass fibre itself is less than 0.010m/mk, and the thermal conductivity of more traditional glass fibre, open-celled polyurethane foams, perforate polystyrene foam plastics, silica is low.
At least contain the barium lithium alloy in the described adsorbent, to absorb gases such as nitrogen, oxygen and carbon dioxide in the enclosed vacuum space.
Also be placed with siccative in the described groove.
At least contain calcium oxide in the described siccative, to absorb water vapour in the enclosed vacuum space etc.
Advantage of the present utility model is, vacuum heat-insulating plate of the present utility model provides a kind of new and effective thermal-protective material (Vacuum insulation panel, be called for short VIP), it adopts the vacuum insulation principle to make, completely cut off transmission of heat by improving internal vacuum to greatest extent, have environmental protection and energy-conservation two-fold advantage.
Vacuum heat-insulating plate (VIP) thermal conductivity is very low, is lower than 0.0050W/mk, has insulation, energy-conservation performance.Adopt the heat-preserving equipment of this vacuum heat-insulating plate (VIP), behind its thermal insulation layer attenuate, can make the heat-preserving equipment floor space of same volume little; Can increase with its volume of heat-preserving equipment under the volume, storage space increases.
And this vacuum heat-insulating plate (VIP) does not use ODS (ODS) in production, application process, can satisfy the environmental-protecting performance of heat-preserving equipment.
Description of drawings
Further specify vacuum heat-insulating plate of the present utility model below in conjunction with drawings and Examples.
Fig. 1 is the schematic diagram of the utility model vacuum heat-insulating plate.
Fig. 2 is the generalized section of the utility model barrier film layer.
Fig. 3 is the another generalized section of the utility model barrier film layer.
The accompanying drawing sign
1, barrier film layer 2, warming plate 3, groove
4, adsorbent 5, siccative 6, vacuum heat-insulating plate
7, nylon film protective layer 8, polyethylene heat-sealing layer
Embodiment
Vacuum heat-insulating plate (VIP) structure is made up of three parts: 1. Feng Bi trapping film (Barrier; ) 2, the thermal-protective material (Insulating material) of core; 3, gas absorption material (Getter).As shown in Figure 1, warming plate 2 is arranged in the barrier film layer 1 formed vacuum-sealed cavity, and the outer surface of barrier film layer 1 has one deck nylon film protective layer 7, and its internal surface has layer of polyethylene hot sealing layer 8; The surface of warming plate 2 offers a groove 3, is placed with adsorbent 4 and siccative 5 in this groove 3.
As shown in Figure 2, the structure of the barrier film layer of vacuum heat-insulating plate 6 is composited by three floor height barrier films, is respectively the nylon film protective layer 7 of barrier film layer 1, its outer surface layer, the polyethylene heat-sealing layer 8 of its interior surface layers.Wherein, barrier film layer 1 contains ethylene-vinyl alcohol copolymer at least; Or contain multi-layer co-extruded polyester nano-complex film at least; Or contain noncrystalline polyamide resin membrane of lipoprotein at least.
As shown in Figure 3, the structure of vacuum heat-insulating plate (VIP) high-isolation film is composited by five floor height barrier films, and barrier layer wherein is provided with three layers, can make with above-mentioned different material respectively, also can make with identical materials.
The step of vacuum heat-insulating plate one embodiment's of the present utility model flow is as follows:
1, various high-isolation films is combined into the composite membrane with high obstructing performance by the dry method complex method.Composite membrane is formed by five layers, and its skin is a nylon film protective layer 7, and its internal layer is a polyethylene heat-sealing layer 8, and the mesosphere is the dry method three layers of barrier film layer 1 that are composited.
2, with high-barrier composite membrane system pouch.
3, the core superfine glass mat of hyperthermia drying pretreatment vacuum heat-insulating plate reaches below 8 ‰ the water content of core.
4, with adsorbent 4 in pretreated core and its groove and siccative 5, in bag shape high-isolation film of packing into.
5, with the air in the vacuum packaging machine eliminating bag shape high-isolation film, form high vacuum state.
6, under high vacuum state, 6 moulding of encapsulated vacuum thermal shield.
Vacuum heat-insulating plate of the present utility model adopts the multilayer high-isolation film to make confined space after dry method is compound, the support core of vacuum heat-insulating plate has adopted one or more combinations of inorfils such as superfine glass fibre, aluminum silicate fiber, and the thermal conductivity of the also more traditional glass fibre of the thermal conductivity of superfine inorfil itself, open-celled polyurethane foams, perforate polystyrene foam plastics, silica etc. is low.Simultaneously, be the long-term degree of vacuum that keeps vacuum heat-insulating plate, confined space inside is equipped with the getter of surplus air in the absorption vacuum and is adsorbed the siccative of leaving over moisture under the vacuum state.
The vacuum heat-insulating plate of making according to above main points adopts the vacuum insulation principle to make, completely cut off transmission of heat by improving internal vacuum to greatest extent, can be widely used in heat-preserving equipments such as refrigerator, refrigerator-freezer, refrigerator car, freezer, water heater, have the performance of insulation, energy-saving and environmental protection.
The heat insulation processing of conventional refrigerator generally is to adopt the form of thickening PU foaming that refrigerating chamber and the isolated heat of surrounding enviroment are transmitted.And vacuum heat-insulating plate (VIP) is placed on two sides of freezer compartment of refrigerator, the positions such as top of freezer compressor, and reduce foaming thickness, can reach the effect of heat insulation of refrigerating chamber.Utilize the low performance of vacuum heat-insulating plate (VIP) thermal conductivity, adopt the refrigerator of vacuum heat-insulating plate (VIP), behind the foaming layer attenuate of its refrigerating chamber, can make the equal volume refrigerating chamber produce the little effect of refrigerator floor space; In like manner, the refrigerator of equal volume can increase the volume of refrigerating chamber.
Claims (4)
1, a kind of vacuum heat-insulating plate, comprise barrier film layer (1) and warming plate (2), described warming plate (2) is arranged in the formed vacuum-sealed cavity of barrier film layer (1), it is characterized in that, the outer surface of described barrier film layer (1) has one deck nylon film protective layer (7), and its internal surface has layer of polyethylene hot sealing layer (8); Offer a groove (3) on the described warming plate (2), be placed with adsorbent (4) in this groove (3).
2, vacuum heat-insulating plate according to claim 1 is characterized in that: described barrier film layer (1) is provided with more than three layers.
3, vacuum heat-insulating plate according to claim 1 is characterized in that: described warming plate (2) adopts the superfine glass fibre to make, the average diameter 2～4um of ultra-fine fibre glass, and its density is 130～160kg/m3, thermal conductivity is less than 0.010W/mk.
4, vacuum heat-insulating plate according to claim 1 is characterized in that: also be placed with siccative (5) in the described groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520112605 CN200975587Y (en) | 2005-07-05 | 2005-07-05 | Vacuum thermal insulation plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520112605 CN200975587Y (en) | 2005-07-05 | 2005-07-05 | Vacuum thermal insulation plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200975587Y true CN200975587Y (en) | 2007-11-14 |
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ID=38901872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520112605 Expired - Fee Related CN200975587Y (en) | 2005-07-05 | 2005-07-05 | Vacuum thermal insulation plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN200975587Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876391A (en) * | 2010-05-24 | 2010-11-03 | 上海晨华电炉有限公司 | High-temperature vacuum thermal-insulating plate capable of insulating temperature above 350 DEG C |
| CN101881546A (en) * | 2010-07-01 | 2010-11-10 | 王欣南 | Built-in integral special-shaped vacuum heat-insulating plate for icebox and processing method thereof |
| CN101900473A (en) * | 2010-07-27 | 2010-12-01 | 王欣南 | Built-in integral L-shaped vacuum heat insulation slab for refrigerator and processing method thereof |
| CN101736875B (en) * | 2009-11-25 | 2011-11-09 | 青岛科瑞新型环保材料有限公司 | Manufacturing method of heat-insulating decorative board |
| CN102330376A (en) * | 2011-06-22 | 2012-01-25 | 苏州维艾普新材料有限公司 | Pulping method of glass wool core material |
| CN102330389A (en) * | 2011-07-13 | 2012-01-25 | 苏州维艾普新材料有限公司 | Method for making high-performance vacuum heat insulating plate core material |
| CN102549221A (en) * | 2009-08-03 | 2012-07-04 | 可耐福保温材料有限公司 | Insulation material |
| CN102794958A (en) * | 2011-05-24 | 2012-11-28 | 住友电木株式会社 | Laminated film and packaging body |
| CN103975113A (en) * | 2011-12-05 | 2014-08-06 | 道康宁公司 | Wall insulation panel series |
| CN105198468A (en) * | 2015-09-05 | 2015-12-30 | 苏州宏久航空防热材料科技有限公司 | Preparation method of vacuum heat-insulation material used at high temperature of 1,000 to 2,200DEG C |
| CN112177181A (en) * | 2020-02-24 | 2021-01-05 | 四川迈科隆真空新材料有限公司 | Vacuum insulation panel for building |
| CN112177238A (en) * | 2020-02-24 | 2021-01-05 | 四川迈科隆真空新材料有限公司 | Core-film integrated vacuum insulation panel for building |
-
2005
- 2005-07-05 CN CN 200520112605 patent/CN200975587Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102549221A (en) * | 2009-08-03 | 2012-07-04 | 可耐福保温材料有限公司 | Insulation material |
| CN101736875B (en) * | 2009-11-25 | 2011-11-09 | 青岛科瑞新型环保材料有限公司 | Manufacturing method of heat-insulating decorative board |
| CN101876391A (en) * | 2010-05-24 | 2010-11-03 | 上海晨华电炉有限公司 | High-temperature vacuum thermal-insulating plate capable of insulating temperature above 350 DEG C |
| CN101881546A (en) * | 2010-07-01 | 2010-11-10 | 王欣南 | Built-in integral special-shaped vacuum heat-insulating plate for icebox and processing method thereof |
| CN101900473A (en) * | 2010-07-27 | 2010-12-01 | 王欣南 | Built-in integral L-shaped vacuum heat insulation slab for refrigerator and processing method thereof |
| CN102794958A (en) * | 2011-05-24 | 2012-11-28 | 住友电木株式会社 | Laminated film and packaging body |
| CN102330376A (en) * | 2011-06-22 | 2012-01-25 | 苏州维艾普新材料有限公司 | Pulping method of glass wool core material |
| CN102330389A (en) * | 2011-07-13 | 2012-01-25 | 苏州维艾普新材料有限公司 | Method for making high-performance vacuum heat insulating plate core material |
| CN103975113A (en) * | 2011-12-05 | 2014-08-06 | 道康宁公司 | Wall insulation panel series |
| CN105198468A (en) * | 2015-09-05 | 2015-12-30 | 苏州宏久航空防热材料科技有限公司 | Preparation method of vacuum heat-insulation material used at high temperature of 1,000 to 2,200DEG C |
| CN105198468B (en) * | 2015-09-05 | 2018-01-30 | 苏州宏久航空防热材料科技有限公司 | The preparation method of the vacuum heat insulation materials used under 1000 DEG C ~ 2200 DEG C high temperature |
| CN112177181A (en) * | 2020-02-24 | 2021-01-05 | 四川迈科隆真空新材料有限公司 | Vacuum insulation panel for building |
| CN112177238A (en) * | 2020-02-24 | 2021-01-05 | 四川迈科隆真空新材料有限公司 | Core-film integrated vacuum insulation panel for building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |