CN201434184Y - Vacuum heat insulation device - Google Patents
Vacuum heat insulation device Download PDFInfo
- Publication number
- CN201434184Y CN201434184Y CN2009201510720U CN200920151072U CN201434184Y CN 201434184 Y CN201434184 Y CN 201434184Y CN 2009201510720 U CN2009201510720 U CN 2009201510720U CN 200920151072 U CN200920151072 U CN 200920151072U CN 201434184 Y CN201434184 Y CN 201434184Y
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- Prior art keywords
- insulation device
- substrates
- vacuum heat
- vacuum
- substrate
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- Expired - Lifetime
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- Securing Of Glass Panes Or The Like (AREA)
- Refrigerator Housings (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The utility model provides a vacuum heat insulation device which comprises two base plates arranged oppositely, wherein the peripheries of the two base plates are sealed and fixed to form a vacuum space, one base plate is arranged in a low-temperature area, the other base plate is installed in a high-temperature area, and the inner side surface of the base plate installed in the high-temperature area is provided with a heating assembly, therefore, the vacuum space can block up the transmission of heat, and the consumption of energy resource in low-temperature area is avoided, moreover, the heating assembly can be used for resolving condensation trouble to form the heat insulation device with high transparency.
Description
Technical field
The utility model relates to a kind of vacuum heat-insulation device, refers to a kind of heat-proof device of high thermal resistance to reach insulation effect and to have high transparent matter that utilizes vacuum environment especially.
Background technique
Along with global climate warms up, how to reach and suppress the focus that energy consumption becomes all circles' concern.Suppress the topmost purpose of energy consumption and be to reduce emission of carbon-dioxide, reduce the generation that emission of carbon-dioxide also just can be slowed down greenhouse effect certainly; And the waste of saving the energy can also be the enterprise or the expenditure of individual's saving energy cost not less than obtaining the above-mentioned effect of slowing down greenhouse effect, real measure for serving multiple.
With the refrigerator is example, and in order to preserve food, refrigerator is used among the people and each large enterprise in a large number, even in semi-conductive production environment, large-scale icebox also is used to deposit polymer substances such as photoresist.And the effect of refrigerator is to provide the environment of a low temperature, yet refrigerator must consume a large amount of energy, with the heat band from refrigerator inside.For example, the refrigerator of general family expenses can be equipped with thermoinsulation material among on its door-plate, is transmitted to the freeze space of refrigerator fast to avoid extraneous heat; And commercial refrigerator as the refrigerator of the employed displaying usefulness of convenience store, then uses glass usually on its door-plate, understands stored commodity in the refrigerator in order to client.Then the refrigerator door-plate of above-mentioned glass material can use double-deck glass door panel usually, to reach adiabatic effect.Among traditional double glazing door-plate, may bubbling air, the gas of the contour thermal resistance of nitrogen, but effect is still not satisfactory.
Especially when the excessive temperature differentials of low temperature area and high-temperature zone, outside heat can be conducted in the refrigerator apace by external environment, and causes the running of freezer compressor; Or when the excessive temperature differentials of the interior outer side surface of the glass of high-temperature zone, in case temperature arrives below the dew point of damp condition, the phenomenon of condensation vapor, dewfall even drip taking place immediately, promptly can cause the opaque situation of glass door panel, and makes client can't watch the interior commodity of refrigerator.
And the existing practice has the spacing that increases between two glass door panel, or increases the thickness of glass door panel, but this practice can cause the thickness of glass door panel, weight all significantly to increase, so all can have problems on using or assembling.The glass inner side installing metal heated filament of MANUFACTURER in contiguous high-temperature zone also arranged, and avoiding the problem of dewfall, but the metal heated filament belongs to opaque material, thus but the installing of metal heated filament can detract the see-through of glass door panel, the purchase that has significantly influenced client is experienced; And the heat that the metal heated filament is produced also may conduct to low temperature area (being refrigerator inside) simultaneously, so make and the running that the compressor of refrigerator must be more frequent therefore also cause the waste of the energy.
The model utility content
Main purpose of the present utility model is to provide a kind of vacuum heat-insulation device, and this vacuum heat-insulation device can utilize the high thermal resistance character of vacuum environment, to reach the effect that significantly blocks heat transfer; And this vacuum heat-insulation device also can be equiped with transparent thermode, to solve the problem of dewfall, so that preferable transparent, heat insulation device to be provided.
To achieve the above object, the utility model provides a kind of vacuum heat-insulation device, comprise: two substrates that are oppositely arranged, the periphery sealing and fixing of these two substrates is to form a vacuum space, and one of them substrate of these two substrates is installed in a low temperature area, another substrate of these two substrates then is installed in a high-temperature zone, and the inner side surface that is positioned at this substrate of high-temperature zone is provided with a heating module: therefore, this heating module can be in order to solve the problem of dewfall.
The utlity model has following useful effect: the vacuum heat-insulation device that the utility model proposes, can be used in the window in refrigerator or building, with vacuum high thermal resistance, block the path of the heat transfer of high-temperature zone to low temperature area, can reduce the energy loss of low temperature area; On the other hand, this vacuum heat-insulation device also utilizes transparent thermode to solve the problem that traditional glass produces dewfall, and then forms the high heat-proof device of transparency.
For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Description of drawings
Fig. 1 is a vacuum heat-insulation schematic representation of apparatus of the present utility model;
Fig. 2 is the side view of vacuum heat-insulation device of the present utility model;
Fig. 3 A is the schematic representation of the heating module of first kind of pattern of the present utility model;
Fig. 3 B is the schematic representation of the heating module of second kind of pattern of the present utility model.
The primary clustering symbol description
1 vacuum heat-insulation device
10 substrates, 101 vacuum spaces
102 silicon sealants
11 heating modules
12 support cylinders
13 structures of bleeding
Embodiment
See also Fig. 1 and Fig. 2, the utility model provides a kind of vacuum heat-insulation device 1, this vacuum heat-insulation device 1 can be applicable to general refrigerator or display refrigerated cabinet, to produce vacuum insulation and to prevent the effect of dewfall, the heating module 11 that this vacuum heat-insulation device 1 comprises two substrates that are oppositely arranged 10 and is arranged at the inner side surface of a substrate 10 in these two substrates 10, and can form a vacuum space 101 between these two substrates 10, and the thermal resistance of this vacuum space 101 is infinitely great (much larger than the thermal resistance of gas), so can form the effect of vacuum insulation.
Vacuum heat-insulation device 1 of the present utility model is mainly used in refrigerator or the display refrigerated cabinet of general businessman in order to chilled beverage, Ice, the temperature of above-mentioned refrigerator or display refrigerated cabinet can effectively be kept in the vacuum space 101 of this vacuum heat-insulation device 1, to avoid consuming too much energy (as electric energy).In other words, this vacuum heat-insulation device 1 can be installed on the body of refrigerator or display refrigerated cabinet, a substrate 10 in these two substrates 10 is adjacent to this refrigerator or display refrigerated cabinet inside (being low temperature area), another substrate 10 in these two substrates 10 is then relatively far away from refrigerator or display refrigerated cabinet inside, and near external environment condition (being the high-temperature zone), promptly, this vacuum heat-insulation device 1 is installed between the above-mentioned low temperature area and high-temperature zone, so can block the heat transfer of above-mentioned low temperature area and high-temperature zone by the vacuum space 101 of this vacuum heat-insulation device 1, and then avoid display refrigerated cabinet temperature inside to rise because of the high temperature of outside, to reach preferable energy-conservation effect.
In addition, in order to solve excessive temperature differentials because of low temperature area and high-temperature zone, cause the temperature of substrate 10 inboards of high-temperature zone to be lower than the temperature in substrate 10 outsides of high-temperature zone, and its temperature reaches a high temperature below the dew point temperature of substrate 10 conditions of living in district, condensation vapor will take place form dewfall, even producing the problem of drip, the utility model also is provided with a heating module 11 at the inner side surface of the substrate 10 of high-temperature zone.In other words, the utility model utilization is installed in the heating module 11 of inner side surface of the substrate 10 of high-temperature zone, the temperature of inside and outside bi-side that will be positioned at the substrate 10 of high-temperature zone reaches conformity, or reduces the temperature difference of above-mentioned inside and outside bi-side, to solve the problem of above-mentioned dewfall; Moreover, owing to have a vacuum space 101 in these two substrates 10, so the heat that heating module 11 is produced can not conduct on the substrate 10 that is positioned at low temperature area easily, be that heating module 11 can not produce the effect that improves temperature to low temperature area, therefore both can avoid the problem of dewfall, can not increase the work done of compressor yet, therefore can reach multi-functional displaying profile plate for low temperature area.
Please again with reference to figure 1 and Fig. 2, be first embodiment of the present utility model, in this specific embodiment, this vacuum heat-insulation device 1 is that two substrates that are oppositely arranged 10 combine, aforesaid substrate 10 can be glass material, and its perspective rate reaches more than 99.5%, and the periphery of this two glass substrate is with silicon sealant 102 driving fit sintering, and carries out vacuum suction to form this vacuum space 101.On the other hand, be provided with a plurality of support cylinders 12 in this vacuum space 101, the two ends of each support cylinder 12 are resisted against the inner side surface of these two substrates 10 respectively, so that the bracing force of above-mentioned vacuum heat-insulation device 1 when the moulding to be provided.Note that the needs in order to illustrate, the size of the support cylinder 12 among Fig. 1 and Fig. 2 is not drawn according to the ratio of reality, and in fact, the shared area of support cylinder 12 is much smaller than the effective area of these two substrates 10.
On the other hand, the inner side surface of a substrate 10 in these two substrates 10 also forms above-mentioned heating module 11, in this specific embodiment, this heating module 11 is a kind of thermode, and this thermode can be processed the thermode (shown in Fig. 3 A, Fig. 3 B) to be shaped to a predetermined pattern by conductive film (as materials such as carbon nanotube, Indium Tin Oxid, zine oxide), this thermode can have a plurality of turnovers, and formation parallel electrodes structure, this thermode can pass to electric current, heating the inner side surface of this substrate 10, and then avoid the problem of steam dewfall.Moreover these heating module 11 the bests are the made thermode of a kind of transparent material (as above-mentioned material), and forming preferable transparent vision, but this heating module 11 also can be made by the lower material of transparency.
Again on the one hand, also form the structure 13 of bleeding on the outer side surface of a substrate 10 in these two substrates 10, this structure 13 of bleeding is mainly used in extracts the air in this vacuum space 101 out, be vacuum state so that be in this vacuum space 101, and can also store materials such as getter is arranged in this structure 13 of bleeding, to keep the condition of high vacuum degree in this vacuum space 101.
Below will describe the making flow process of the specific embodiment of above-mentioned vacuum heat-insulation device 1 in detail:
Step (a): be that substrate 10 inner side surfaces of 99.5% glass material are coated with a transparent conductive film (as materials such as carbon nanotube, Indium Tin Oxid, zine oxide) and process the thermode (being heating module 11) to be shaped to a predetermined pattern in a transparency; Substrate 10 inner side surfaces that in another transparency are 99.5% glass material are with a plurality of outstanding support cylinders 12 of processing mode moulding, the shape of each support cylinder 12 can be hemispherical or drops or the like, and those support cylinders 12 take shape in the inner side surface of this substrate 10 with matrix form or other spread pattern.And also form this structure 13 of bleeding on one the outer side surface of above-mentioned two substrates 10, for example the body etc. of bleeding.It should be noted that the utility model does not limit the shaping position of those support cylinders 12, promptly those support cylinders 12 can take shape in the inner side surface of arbitrary substrate 10; Or take shape in the inner side surface of these two substrates 10 simultaneously.
Step (b): the inner side surface of above-mentioned two substrates 10 is oppositely arranged, make the top of the support cylinder 12 that takes shape in substrate 10 inner side surfaces be resisted against the inner side surface inner side surface of this heating module 11 (that is form) of another substrate 10, and with the periphery of these two substrates 10 with silicon sealant 102 driving fit sintering, maybe can utilize alternate manner to carry out involution, also utilizing the outside unit of bleeding to see through this structure 13 of bleeding extracts the air between two substrates 10 out, to form above-mentioned vacuum space 101, and the vacuum pressure of this vacuum space 101 is below 10-2 Bristol (torr) the power suborder, to avoid the approach of thermoconvection and two kinds of calorie spreads of transmission of heat, so reach energy-conservation effect; At last, with above-mentioned structure 13 involution in addition of bleeding, to form vacuum heat-insulation device 1 of the present utility model.And the spacing of these two substrates 10 also can be adjusted according to various application, and for example in this specific embodiment, the thickness of this vacuum heat-insulation device 1 (i.e. distance between the outer side surface of these two substrates 10) is 5.7 to 6.1 millimeters (mm); Moreover, the number of this support cylinder 12 also can cause different thermal conductivity (K), under the situation of less support cylinder 12, this vacuum heat-insulation device 1 has less thermal conductivity (K), but the number of support cylinder 12 also has a minimum value, is subjected to the problem that the outside atmospheric pressure effect produces distortion even breaks to avoid two substrates 10 because of inner vacuum.
The vacuum heat-insulation device made from said method 1 can be installed on the transparent window portion of refrigerator, refrigerated display cabinet or building window, and the user can be installed in the substrate 10 with heating module 11 high-temperature zone (promptly away from a side of refrigerator, near the external environment condition district); Another substrate 10 then is installed in low temperature area (being refrigerator inside), so this vacuum heat-insulation device 1 can utilize the vacuum space 101 between these two substrates 10 to block most heat conduction path and (be mainly contact conduction and convection current conduction, and partial radiation), therefore just significantly reduce the heat transfer of high-temperature zone (being the external environment temperature) to low temperature area (being refrigerator inside), can avoid the compressor of the refrigerator energy that work done consumed that must turn round, to reach purpose of energy saving.
In addition, the user also can utilize the heating module 11 of substrate 10 inner side surfaces of high-temperature zone to heat this side group plate 10 of high-temperature zones, for example feed electric current and transfer electric energy to heat energy in these heating module 11 utilization thermal resistors, the temperature that can effectively promote the substrate 10 of high-temperature zone makes it to be higher than dew point temperature, use the problem of avoiding condensation vapor, dewfall and take place, to promote substrate 10 transparency in use; And the heat that this heating module 11 produced can not have influence on the substrate 10 that is positioned at low temperature area because of the athermic effect of this vacuum space 101 yet, and in other words, the running of this heating module 11 also can't cause the added burden of the compressor of refrigerator.
In sum, the utlity model has following all advantage:
1, has preferable insulation effect, the laboratory data of carrying out at above-mentioned vacuum heat-insulation device according to the utility model, the pyroconductivity of this vacuum heat-insulation device (Thermal Conductivity) is 0.0086W/mK, be about 1.3W/mK compared to general glass, so can significantly break off the conduction and the convection current path of heat, significantly improve heat insulation effect, and then reduce the running power consumption of freezer compressor, to reach the effect of saving electric energy.
2, on the other hand, the utility model also is installed in heating module the inner side surface of the substrate of high-temperature zone, so the temperature difference of the inside and outside bi-side of substrate that can the balance high-temperature zone and reach the purpose of avoiding dewfall; Simultaneously, this heating module can utilize transparent conductive material to make, and utilizes transparent electrodes to avoid the situation of dewfall, and the transparency of this substrate that can not detract also improves above-mentioned vacuum heat-insulation device and is applied to show the effect of using cold storage room with refrigerator or displaying.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. a vacuum heat-insulation device is characterized in that, comprising:
Two substrates that are oppositely arranged, the periphery sealing and fixing of these two substrates is to form a vacuum space, and one of them substrate of these two substrates is installed in a low temperature area, another substrate of these two substrates then is installed in a high-temperature zone, and the inner side surface that is positioned at this substrate of high-temperature zone is provided with a heating module.
2. vacuum heat-insulation device as claimed in claim 1, it is characterized in that: also further comprise a plurality of support cylinders that are arranged in this vacuum space, wherein each support cylinder is by the inner side surface institute elongation moulding of these two substrates, and the top of each support cylinder is resisted against another substrate relatively.
3. vacuum heat-insulation device as claimed in claim 1 is characterized in that: these two substrates are glass substrate.
4. vacuum heat-insulation device as claimed in claim 1 is characterized in that: this heating module is a thermode.
5. vacuum heat-insulation device as claimed in claim 4 is characterized in that: the thermode that this thermoelectricity is very transparent.
6. vacuum heat-insulation device as claimed in claim 5 is characterized in that: the material of this thermode is carbon nanotube, Indium Tin Oxid or zine oxide.
7. vacuum heat-insulation device as claimed in claim 1 is characterized in that: comprise further that also one is arranged at the structure of bleeding on one of them substrates of this two substrates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201510720U CN201434184Y (en) | 2009-04-01 | 2009-05-08 | Vacuum heat insulation device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910130291.5 | 2009-04-01 | ||
| CN200910130291 | 2009-04-01 | ||
| CN2009201510720U CN201434184Y (en) | 2009-04-01 | 2009-05-08 | Vacuum heat insulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201434184Y true CN201434184Y (en) | 2010-03-31 |
Family
ID=42052992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201510720U Expired - Lifetime CN201434184Y (en) | 2009-04-01 | 2009-05-08 | Vacuum heat insulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201434184Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634047A (en) * | 2010-10-28 | 2015-05-20 | Lg电子株式会社 | Refrigerator |
| CN109068893A (en) * | 2016-02-05 | 2018-12-21 | 野醍冷却器有限责任公司 | Thermally insulated container and the method for forming this container |
| JP2019002529A (en) * | 2017-06-19 | 2019-01-10 | 株式会社デンソー | Heat insulation device |
-
2009
- 2009-05-08 CN CN2009201510720U patent/CN201434184Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634047A (en) * | 2010-10-28 | 2015-05-20 | Lg电子株式会社 | Refrigerator |
| US10174989B2 (en) | 2010-10-28 | 2019-01-08 | Lg Electronics Inc. | Refrigerator with vacuum space |
| US10591199B2 (en) | 2010-10-28 | 2020-03-17 | Lg Electronics Inc. | Refrigerator with vacuum space |
| US11199357B2 (en) | 2010-10-28 | 2021-12-14 | Lg Electronics Inc. | Refrigerator with vacuum space |
| US11732951B2 (en) | 2010-10-28 | 2023-08-22 | Lg Electronics Inc. | Refrigerator with vacuum space |
| CN109068893A (en) * | 2016-02-05 | 2018-12-21 | 野醍冷却器有限责任公司 | Thermally insulated container and the method for forming this container |
| JP2019002529A (en) * | 2017-06-19 | 2019-01-10 | 株式会社デンソー | Heat insulation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100331 |
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| CX01 | Expiry of patent term |