CN101086315A - Vacuum heat-insulation material and refrigerator shell heat-insulation structure adopting the vacuum heat-insulating material - Google Patents
Vacuum heat-insulation material and refrigerator shell heat-insulation structure adopting the vacuum heat-insulating material Download PDFInfo
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- CN101086315A CN101086315A CN 200610014066 CN200610014066A CN101086315A CN 101086315 A CN101086315 A CN 101086315A CN 200610014066 CN200610014066 CN 200610014066 CN 200610014066 A CN200610014066 A CN 200610014066A CN 101086315 A CN101086315 A CN 101086315A
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- insulation material
- vacuum heat
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- heat insulation
- refrigerator shell
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Abstract
The invention discloses a vacuum insulation material and the refrigerator shell insulation structure using the vacuum insulation material. The vacuum insulation material includes the core materials; the outer part coiled out the core materials and used for separating the core materials from exterior, and it is equipped with the sealing thin film of adjoiner which partial structure can be bonded each other; and the prolong insulation part which is located between the adjoiners and is formed by the extending from the core materials lateral surface outwardly. The vacuum insulation material provided in the invention is equipped with the prolong insulation part formed and extended from the core materials, when the adjoiner projected out the core materials lateral surface and is installed in the refrigerator shell, the heat transfer path through the sealing thin layer lateral surface can be prolonged, thereby it can reduce the thermoconductivity, so it can increase the insulation performance along the vacuum insulation material thickness direction, and can improve the insulation structure of the refrigerator shell using the vacuum insulation material. In addition, the prolonging insulation thickness in vacuum condition is thinner, so it not only can increase the insulation performance, and the picking and placing of the invention is convenient.
Description
Technical field
The refrigerator shell heat-insulating structure that the present invention relates to a kind of vacuum heat insulation material and adopt this material, particularly relate to a kind of can the minimizing, can prevent vacuum heat insulation material that heat-shielding performance descends and the refrigerator shell heat-insulating structure that adopts this material thus by the heat of the aluminium foil in the sealing thin layer along the thickness direction transmission of vacuum heat insulation material.
Background technique
Fig. 1 is the refrigerator shell structural perspective of prior art.As shown in Figure 1, the refrigerator 1 of this prior art is a kind of device that is used for cryopreservation food, and it comprises that mainly inside is formed with the housing 10 of storage areas 20 such as the cold storage room that is used to preserve food or refrigerating chamber; The not shown refrigerator door that is used to open and close cold storage room and refrigerating chamber; With not shown constituting, thereby can make the food of preservation maintain the Machinery Ministry of low-temperature condition by coolant circulating system.Wherein, housing 10 is filled with thermal-protective material between the internal surface of outer surface that forms the refrigerator profile and formation storage space, therefore can strengthen heat insulation effect.Fig. 2 is to the refrigerator shell structure sectional view that dissects out along X-X among Fig. 1.As shown in Figure 2, be filled with the polyurethane foam 30 that forms through foamable behind the injection polyurethane foaming liquid between the internal surface 21 of housing 10 and the outer surface 11.But, owing to include the air that can transmit heat in the polyurethane foam 30, and can't further improve the heat-shielding performance of refrigerator again because of the thermal conduction characteristic of polyurethane itself.Therefore, in order further to cut off the storage area 20 of refrigerator inside and the heat exchange between the outside, and improve the efficient and the energy utilization rate of refrigerator, begin gradually recently between the outer surface 11 of housing 10 and internal surface 21, except that polyurethane foam 30 is set, also to have set up vacuum heat insulation material 40.Fig. 3 is the vacuum heat insulation material structure sectional view that refrigerator shell inside shown in Figure 1 is set.Fig. 4 is the vacuum heat insulation material structural perspective among Fig. 3.As shown in Figure 3, Figure 4, described vacuum heat insulation material 40 comprises: formed by fiberglass braided plate laminated, and form the core 41 of vacuum between the braiding plate; Be wrapped in the sealing thin layer 42 that constitutes by aluminium foil of core 41 outsides for the vacuum state of keeping core 41; Gas componant with being used to remove the inflow through sealing thin layer 42 makes vacuum heat insulation material 40 can keep the getter 43 of heat-shielding performance in the sufficiently long time.Fig. 5 is the laminated structure schematic representation of sealing thin layer on the vacuum heat insulation material among Fig. 3.Fig. 6 is " A " position bending state structure sectional view on the vacuum heat insulation material among Fig. 3.Fig. 7 is the vacuum heat insulation material heat-transfer path schematic representation among Fig. 3.As shown in Figure 5, described sealing thin layer 42 is can bear outer shell layer 421 and the protective layer 422 that the external impact material is made by adopting; That adopts in order to prevent extraneous gas or moisture to be penetrated into the inside of core 41 that aluminum foil material makes prevents gas permeable formation 423; Form with hot welding layer 424 laminations of making by the material that can carry out thermal fusion welding.Vacuum heat insulation material 40 is to utilize sealing thin layer 42 to be wrapped in the outside of core 41 under vacuum state, under the state that hot welding layer 424 on the sealing thin layer 42 downside 42b and the hot welding layer 424 on the upper side 42a are pressed close to mutually, carry out thermal fusion welding then and make, core 41 is isolated mutually with outside.In addition, for making core 41 fully and external isolation, the upper and lower side 42a of sealing thin layer 42, the thermal fusion welding length of 42b is longer, forms thus from outwards outstanding joining portion 42 ', the side of core 41.As shown in Figure 6, vacuum heat insulation material 40 is to be inserted on the positions such as inside of refrigerator shell 10 after the 42 ' bending of the joining portion on it.But, as shown in Figure 7, after after the joining portion on the vacuum heat insulation material 40 42 ' is bent, being inserted into the internal rules position of refrigerator shell 10, the direction 98 that perforation has the core 41 of vacuum structure has very high insulative properties, but make along the heat transmission of side 99 directions of sealing thin layer 42 and increase owing to the inside of sealing thin layer 42 includes the existence that prevents gas permeable formation 423 that is made of several thousand times of thermal conductivitys even several ten thousand times of aluminium foils to core 41, will reduce heat-shielding performance thus.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of heat that can prevent by preventing of the thickness direction transmission of gas permeable formation in the sealing thin layer along vacuum heat insulation material, the heat-shielding performance that can prevent refrigerator thus descends, and vacuum heat insulation material with low cost and the refrigerator shell heat-insulating structure that adopts this material.
In order to achieve the above object, vacuum heat insulation material provided by the invention comprises core; Be wrapped in the outside of core, be used for, and have the sealing thin layer at the joining portion that part-structure can be bonded with each other on it core and external isolation; And between the joining portion, and stretch out and the prolong insulation portion that forms from core materials lateral surface.
Described prolong insulation portion is a vacuum state.
The thickness range of described prolong insulation portion is between 0.1mm to 3mm.
The length of described prolong insulation portion joining portion length 10% to 90% between.
The refrigerator shell heat-insulating structure of the above-mentioned vacuum heat insulation material of employing provided by the invention comprises: the refrigerator shell outer surface that is formed by steel; The refrigerator shell internal surface that forms by plastic materials; And the vacuum heat insulation material between refrigerator shell outer surface and internal surface.
Vacuum heat insulation material provided by the invention is provided with from core and stretches out and the prolong insulation portion that forms, in the time will being arranged on refrigerator shell inside from the outstanding joining portion bending that forms of core materials lateral surface and with it, heat transfer path by the sealing thin layer side surface direction will prolong, thereby can reduce pyroconductivity, can improve along the heat-shielding performance of vacuum heat insulation material thickness direction thus, and can improve the heat-insulating structure of the refrigerator shell that adopts this vacuum heat insulation material.In addition, be the prolong insulation portion thinner thickness of vacuum state, so not only can improve heat-shielding performance, and pick and place conveniently.
Description of drawings
Fig. 1 is the refrigerator shell structural perspective of prior art.
Fig. 2 is to the refrigerator shell structure sectional view that dissects out along X-X among Fig. 1.
Fig. 3 is the vacuum heat insulation material structure sectional view that refrigerator shell inside shown in Figure 1 is set.
Fig. 4 is the vacuum heat insulation material structural perspective among Fig. 3.
Fig. 5 is the laminated structure schematic representation of sealing thin layer on the vacuum heat insulation material among Fig. 3.
Fig. 6 is " A " position bending state structure sectional view on the vacuum heat insulation material among Fig. 3.
Fig. 7 is the vacuum heat insulation material heat-transfer path schematic representation among Fig. 3.
Fig. 8 and Fig. 9 are the vacuum heat insulation materials in of the present invention, wherein
Fig. 8 is vacuum heat insulation material one an example structure sectional view provided by the invention.
Fig. 9 is the vacuum heat insulation material joining portion bending state structure sectional view shown in Fig. 8.
Critical piece label declaration among the figure:
10: refrigerator shell 100: vacuum heat insulation material
110: core 120: sealing thin layer
120 ': joining portion 130: prolong insulation portion
Embodiment
The refrigerator shell heat-insulating structure that describes vacuum heat insulation material provided by the invention in detail and adopt this material below in conjunction with drawings and Examples.Fig. 8 is vacuum heat insulation material one an example structure sectional view provided by the invention.Fig. 9 is the vacuum heat insulation material joining portion bending state structure sectional view shown in Fig. 8.As Fig. 8, shown in Figure 9, the vacuum heat insulation material 100 in the present embodiment comprises by fiberglass braided plate laminated and forming, and forms the core 110 of vacuum between the braiding plate; Be wrapped in the sealing thin layer 120 of core 110 outsides for the vacuum state of keeping core 110; Be positioned between the joining portion 120 ' of sealing thin layer 120, and extend and the prolong insulation portion 130 of formation from the side of core 110; Remove the gas componant that flows into by sealing thin layer 120 with not shown being used to, thereby make vacuum heat insulation material 100 can in the sufficiently long time, keep the getter of heat-shielding performance.Wherein, core 110 is to adopt the fiberglass braided plate laminated of heat-shielding performance excellence and form, thereby can obtain good effect of heat insulation.Sealing thin layer 120 is outer shell layer and the protective layers made by nylon material that are exposed to vacuum heat insulation material 100 outsides by not shown; Be positioned on the bottom surface of protective layer, that utilizes that the thick aluminium foil of 7 μ m makes prevents the gas permeable formation; Be positioned on the bottom surface that prevents the gas permeable formation, and constitute with the contacted hot welding layer of core 110.Outer shell layer, protective layer, prevent that the gas permeable formation is identical with the vacuum heat insulation material 40 of prior art with hot welding layer, promptly they correspond respectively to the label 421,422,423,424 among Fig. 5.Wherein, outer shell layer and protective layer can play in the making of vacuum heat insulation material 100 or setting up procedure and prevent that it is because of being subjected to the ruined effect of external impact; Prevent that the gas permeable formation has the effect that can prevent that outside gas or moisture are penetrated into core 110 inside; Can be that the external environment condition of 760 torrs and degree of vacuum are that core 110 below 0.001 torr is kept apart mutually with degree of vacuum after the hot welding layer thermal fusion welding.Prolong insulation portion 130 forms with vacuum state between the hot welding layer 120 ' of sealing thin layer 120, and its thickness is from about the 0.1mm to 3mm, and its length L ' the joining portion length L 10% to 90% between.If the thickness of prolong insulation portion 130 is less than 0.1mm, heat will be by the prolong insulation portion 130 between the sealing thin layer 120 with transmission of heat or radiation mode transmission, thereby can reduce heat-shielding performance; And reach 3mm when above when the thickness of prolong insulation portion 130, the bending very difficulty that will become during the outstanding joining portion that forms 120 ' from the side of core 110 for vacuum heat insulation material 100 being arranged on the assigned position in the refrigerator shell.In addition, if the length L of prolong insulation portion 130 ' not enough joining portion 120 ' length L 10%, the length that then prolongs heat transfer path will be too small, thereby can reduce heat-shielding performance; And if the length L of prolong insulation portion 130 ' surpass 90% of joining portion 120 ' length L, then can reduce the joint capacity at joining portion 120 ' itself again.For this reason, side end opening and core 110 at sealing thin layer 120 are positioned under its inner state, two relative hot welding layer that will be positioned at sealing thin layer 120 inboards heat the position except will forming prolong insulation portion 130, above-mentioned like this hot welding layer will be adjacent to and bond together mutually, does not have the position of heating then to form the prolong insulation portion 130 that inside is vacuum state.At this moment,, groove can be on sealing thin layer 120, formed, the position that does not form groove can be only heated thus with certain depth in order more accurately to adjust the thickness of prolong insulation portion 130.Can make the thickness of prolong insulation portion 130 identical when adopting said method with the degree of depth of groove.In the time of on vacuum heat insulation material 100 being arranged on position such as refrigerator shell, as shown in Figure 9, even bending from the outstanding joining portion 120 ' that forms, the side of core 110, the outstanding prolong insulation portion 130 that forms also can cut off heat transfer path from the side of core 110.If heat does not flow along the direction of number in the figure 199, then it just can't be to the thickness direction transmission of vacuum heat insulation material 100, thereby can make along the heat minimum of the side surface direction transmission of sealing thin layer 120.Simultaneously, in the present embodiment, be positioned on the sealing thin layer 120 the prolong insulation portion between the joining portion 120 ' 130 and be vacuum state, but scope of the present invention is not limited thereto, can also add the material or the gas of heat-shielding performance excellence in the prolong insulation portion 130.
Claims (5)
1, a kind of vacuum heat insulation material comprises core (110); Be wrapped in the outside of core (110), be used for, and have the sealing thin layer (120) at the joining portion (120 ') that part-structure can be bonded with each other on it core (110) and external isolation; It is characterized in that: described vacuum heat insulation material also comprises and being positioned between the joining portion (120 '), and stretches out from core (110) side and the prolong insulation portion (130) that forms.
2, vacuum heat insulation material according to claim 1 is characterized in that: described prolong insulation portion (130) is a vacuum state.
3, vacuum heat insulation material according to claim 2 is characterized in that: the thickness range of described prolong insulation portion (130) is between 0.1mm to 3mm.
4, vacuum heat insulation material according to claim 2 is characterized in that: the length of described prolong insulation portion (130) (L ') joining portion (120 ') length (L) 10% to 90% between.
5, a kind of refrigerator shell heat-insulating structure that adopts as each described vacuum heat insulation material in the claim 1 to 4, it is characterized in that: described refrigerator shell heat-insulating structure comprises: the refrigerator shell outer surface (11) that is formed by steel; The refrigerator shell internal surface (21) that forms by plastic materials; And be positioned at vacuum heat insulation material (100) between refrigerator shell outer surface (11) and the internal surface (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610014066 CN101086315A (en) | 2006-06-06 | 2006-06-06 | Vacuum heat-insulation material and refrigerator shell heat-insulation structure adopting the vacuum heat-insulating material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610014066 CN101086315A (en) | 2006-06-06 | 2006-06-06 | Vacuum heat-insulation material and refrigerator shell heat-insulation structure adopting the vacuum heat-insulating material |
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| CN101086315A true CN101086315A (en) | 2007-12-12 |
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| CN 200610014066 Pending CN101086315A (en) | 2006-06-06 | 2006-06-06 | Vacuum heat-insulation material and refrigerator shell heat-insulation structure adopting the vacuum heat-insulating material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102575803A (en) * | 2009-10-16 | 2012-07-11 | 三菱电机株式会社 | Vacuum heat insulation material and refrigerator |
| US9068683B2 (en) | 2009-10-16 | 2015-06-30 | Mitsubishi Electric Corporation | Manufacturing apparatus of core material of vacuum heat insulating material, manufacturing method of vacuum heat insulating material, vacuum heat insulating material, and refrigerator |
| US9074717B2 (en) | 2008-12-26 | 2015-07-07 | Mitsubishi Electric Corporation | Vacuum heat insulating material, heat insulating box using vacuum heat insulating material, refrigerator, refrigerating/air-conditioning apparatus, water heater, equipments, and manufacturing method of vacuum heat insulating material |
| US9103482B2 (en) | 2009-10-19 | 2015-08-11 | Mitsubishi Electric Corporation | Vacuum heat insulating material, heat insulating box, refrigerator, refrigerating/air-conditioning apparatus, water heater, appliance, and manufacturing method of vacuum heat insulating material |
-
2006
- 2006-06-06 CN CN 200610014066 patent/CN101086315A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9074717B2 (en) | 2008-12-26 | 2015-07-07 | Mitsubishi Electric Corporation | Vacuum heat insulating material, heat insulating box using vacuum heat insulating material, refrigerator, refrigerating/air-conditioning apparatus, water heater, equipments, and manufacturing method of vacuum heat insulating material |
| US9074716B2 (en) | 2008-12-26 | 2015-07-07 | Mitsubishi Electric Corporation | Vacuum heat insulating material, heat insulating box using vacuum heat insulating material, refrigerator, refrigerating/air-conditioning apparatus, water heater, equipments, and manufacturing method of vacuum heat insulating material |
| CN102575803A (en) * | 2009-10-16 | 2012-07-11 | 三菱电机株式会社 | Vacuum heat insulation material and refrigerator |
| US20120201997A1 (en) | 2009-10-16 | 2012-08-09 | Mitsubishi Electric Corporation | Vacuum heat insulating material and refrigerator |
| CN102575803B (en) * | 2009-10-16 | 2014-11-12 | 三菱电机株式会社 | Vacuum heat insulation material and refrigerator |
| US8920899B2 (en) | 2009-10-16 | 2014-12-30 | Mitsubishi Electric Corporation | Vacuum heat insulating material and refrigerator |
| US9068683B2 (en) | 2009-10-16 | 2015-06-30 | Mitsubishi Electric Corporation | Manufacturing apparatus of core material of vacuum heat insulating material, manufacturing method of vacuum heat insulating material, vacuum heat insulating material, and refrigerator |
| US9103482B2 (en) | 2009-10-19 | 2015-08-11 | Mitsubishi Electric Corporation | Vacuum heat insulating material, heat insulating box, refrigerator, refrigerating/air-conditioning apparatus, water heater, appliance, and manufacturing method of vacuum heat insulating material |
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