CN201050921Y - Vacuum insulation refrigerator - Google Patents
Vacuum insulation refrigerator Download PDFInfo
- Publication number
- CN201050921Y CN201050921Y CNU2007201203668U CN200720120366U CN201050921Y CN 201050921 Y CN201050921 Y CN 201050921Y CN U2007201203668 U CNU2007201203668 U CN U2007201203668U CN 200720120366 U CN200720120366 U CN 200720120366U CN 201050921 Y CN201050921 Y CN 201050921Y
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- CN
- China
- Prior art keywords
- refrigerator
- vacuum
- thermal insulation
- heat insulation
- refrigerator according
- 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 - Fee Related
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 70
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000005219 brazing Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 229910018487 Ni—Cr Inorganic materials 0.000 claims description 4
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 239000012774 insulation material Substances 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 238000005452 bending Methods 0.000 description 5
- 239000007799 cork Substances 0.000 description 3
- 239000004604 Blowing Agent Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical compound ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Thermal Insulation (AREA)
- Refrigerator Housings (AREA)
Abstract
The utility model relates to a vacuum thermal insulation refrigerator, which comprises a thermal insulation layer which is capable of resisting heat to exchange, wherein the thermal insulation layer is a vacuum thermal insulation strip, which comprises two opposite metal plates and fulcrum balls held between the metal plates, the edges of the two metal plates are sealed, thereby being convenient to form a closed space in an inner portion of the vacuum thermal insulation strip, and the closed space is evacuated. Through using the above structure, the refrigerator of the utility model provides a vacuum thermal insulation refrigerator which has the advantages of reducing the thickness of the thermal insulation layer, enhancing thermal insulation effect and saving energy for solving the technical problems that the thickness of the thermal insulation material of the refrigerator is large, the thermal insulation effect is poor, and the electricity consumption of the refrigerator is large.
Description
[technical field]
The utility model relates to a kind of refrigerator, particularly a kind of vacuum heat insulation refrigerator.
[background technology]
Refrigerator can provide low temperature environment, allows food is freezing guarantees the quality or freeze preservation.The cryogenic effect of refrigerator be unable to do without the use of heat insulation layer.
At present, the kind of refrigerator heat insulation layer is a lot, for example: the adiabatic refrigerator of foam type, the effect of heat insulation of this refrigerator heat insulation layer is poor, causes refrigerator power consumption huge; Adopt foaming technique to make refrigerator lining simultaneously, its manufacture craft requires very strict, is easy to occur defective work, and volume is big, the life-span limited (general about 7 years), and the blowing agent of employing is a freon, not environmental protection.
Also having a class is vacuum insulation type refrigerator, the insulation material layer of this refrigerator (as shown in Figure 1) is to have the core (31) that is made of fibrous material lamination body, cover the outer packaging material that constitutes by multilayer of core (31), the vacuum heat insulation materials (30) of the sorbing material that possesses of the inside of packaging material outside, between the outside plate (11) of body of thermal insulating box and inner panel (12), be attached on the side of outside plate (11) or inner panel (12), and the polyurathamc that possesses between outside plate (11) and inner panel (12) forms in the refrigerator of insulation together, the effect of heat insulation of this refrigerator slightly improves, but volume is still too big, and power consumption is big.
[utility model content]
Existing refrigerator heat-insulating material thickness is too big in order to solve for the utility model, the big technical problem of power consumption of insulation effect difference and refrigerator, provides a kind of and has the thickness that reduces heat insulation layer, strengthens insulation effect, energy-conservation vacuum heat insulation refrigerator.
The technical scheme that deficiency adopted that the utility model solves the prior art problem is: a kind of vacuum heat insulation refrigerator is provided, comprise the heat insulation layer that can hinder exchange heat, described heat insulation layer is the vacuum insulation sheet, and described vacuum insulation sheet comprises two opposite metal plates and is clamped in fulcrum ball between the described metallic plate; The edge sealing of described two metallic plates is so that at the inner confined space that forms of described vacuum insulation sheet; Described confined space is evacuated.
The further improvement of the utility model vacuum heat insulation refrigerator is: described fulcrum ball is a Ceramic Balls.
The further improvement of the utility model vacuum heat insulation refrigerator is: the diameter of described fulcrum ball is the 2-3 millimeter and evenly distributes.
The further improvement of the utility model vacuum heat insulation refrigerator is: described metallic plate is the nickel chromium stainless steel plate.
The further improvement of the utility model vacuum heat insulation refrigerator is: the edge of described two metallic plates is welded to one another.
The further improvement of the utility model vacuum heat insulation refrigerator is: one in described two metallic plates is provided with and vacuumizes the hole, and the described hole that vacuumizes seals by vacuum brazing.
The further improvement of the utility model vacuum heat insulation refrigerator is: one surface in described two metallic plates is polished or is aluminized.
The further improvement of the utility model vacuum heat insulation refrigerator is: described vacuum insulation sheet is arranged in the casing of refrigerator, in the chamber door or in the jube.
The further improvement of the utility model vacuum heat insulation refrigerator is: described refrigerator adopts cylinder.
Compared to prior art, the beneficial effect of the utility model vacuum heat insulation refrigerator is:
At first, adopt the utility model refrigerator, can strengthen insulation effect, can reach the effect of energy saving, can prolong the service life of compressor, can reduce the rate of breakdown of refrigerator;
Secondly, adopt the utility model refrigerator, can increase the dischargeable capacity of refrigerator, but also very environmental protection (not having blowing agent);
At last, vacuum insulation sheet of the present utility model, because the material that its vacuum chamber does not have the obstruction of hole or particulate etc. to find time, so easier vacuumizing, vacuum effectiveness good; Simultaneously, the thickness of heat Insulation film is thinner, can allow its bending very like a cork, and effect of heat insulation is constant.
[description of drawings]
Fig. 1 is the insulation material layer of prior art;
Fig. 2 is the partial schematic diagram of the heat insulation layer of the utility model vacuum heat insulation refrigerator;
Fig. 3 is the schematic diagram of the heat insulation layer of refrigerator.
[specific embodiment]
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figures 2 and 3, the utility model provides a kind of vacuum heat insulation refrigerator, comprise the heat insulation layer that can hinder exchange heat, this heat insulation layer is a vacuum insulation sheet 100, this vacuum insulation sheet 100 comprises two opposite metal plates i.e. first metallic plate 1 and second metallic plate 2 and be clamped in fulcrum ball 3 between this metallic plate, this metallic plate is nickel chromium stainless steel (cr18Ni9Ti) sheet material, this sheet material ability atmosphere, water, acid with strong oxidizing property, organic acid, the alkali lye below 30% and oxychloride, not anti-non-oxidizing acid (sulfuric acid, hydrochloric acid); This fulcrum ball 3 is 2-3 millimeter and equally distributed Ceramic Balls for diameter; The edge sealing of this two metallic plate is so that at the inner confined space that forms of this vacuum insulation sheet; The edge of this two metallic plate is welded to one another, and is provided with on one in two metallic plates and vacuumizes hole 4, and this vacuumizes hole 4 by the vacuum brazing sealing, and this confined space is evacuated; One surface in this two metallic plate is polished or is aluminized.
The manufacture method of vacuum insulation sheet of the present utility model is, the Ceramic Balls that equidistant intervals, the even diameter of arranging are the 2-3 millimeter etc. is supporter, outer surface adopts metallic plate, with two metal surfaces up and down to good, the sandwich Ceramic Balls, weld four limits again, on metal covering, beaten in advance and vacuumized the hole therein.It is put in the vacuum brazing chamber then, closing vacuum chamber, the limit heating edge vacuumizes, reach one after vacuum, soldering is sealed and is vacuumized the hole in vacuum chamber, a whole set of vacuum insulation sheet is than the above-mentioned corrosion resistant plate pre-processing device that comprises, cloth ball equipment, seam welder, the vacuum brazing chamber, leak test plant etc., because the material that its vacuum chamber does not have the obstruction of hole or particulate etc. to find time, more be similar to the vacuum smoldering pan, thermos flask, so this ultra-thin vacuum insulation sheet is than using the open-cell rigid foam, perlite is done two kinds of easier vacuumizing of plate of core, the vacuum value also can reach the level of vacuum smoldering pan, 10-3pa.Such vacuum, the heat transfer of gas almost disappears, and solid leaks heat and then contacts with the point of metal and quite little owing to limited ball, and metal inner surface polishes or aluminizes and reduced radiation, and these make vacuum insulation sheet insulation effect better.Because it is extremely thin, can allow its bending very like a cork, when bending, its concave surface metal can be at the gap pumping board core direction nick between every row ball.Because atmospheric pressure tightly pushes down ball, the position of ball is in the back relative fixed of finding time, even if the vacuum heat-collecting bending tablet can not cause two surfaces to be pasted mutually yet and forms hot short circuit.With nickel chromium stainless steel and ceramic material as it, this plate can use under high temperature and cryogenic environment, can't be by comparison at these field open-cell rigid expanded materials.
The utility model one preferred embodiment is that this refrigerator is made cylindrical.The heat insulation layer of vacuum heat insulation refrigerator adopts the vacuum insulation sheet, because it is extremely thin, can allow its bending very like a cork, bends to cylinder, increases insulation effect.The distribution of vacuum insulation sheet can be in casing 4, in the chamber door 5 or jube in, the door envelope can adopt the door closure material of original refrigerator special use to carry out, and has good insulation effect when guaranteeing the refrigerator sealing, loses minimum with the outside heat exchange when opening the door.
The above, it only is preferred embodiment of the present utility model, be not so promptly limit claim of the present utility model, the equivalent structure transformation that every application specification of the present utility model and accompanying drawing are done, directly or indirectly be applied in relevant technical field, all in like manner be included in the claim of the present utility model.
Claims (9)
1. a vacuum heat insulation refrigerator comprises the heat insulation layer that can hinder exchange heat, it is characterized in that: described heat insulation layer is the vacuum insulation sheet, and described vacuum insulation sheet comprises two opposite metal plates and is clamped in fulcrum ball between the described metallic plate; The edge sealing of described two metallic plates is so that at the inner confined space that forms of described vacuum insulation sheet; Described confined space is evacuated.
2. refrigerator according to claim 1 is characterized in that: described fulcrum ball is a Ceramic Balls.
3. refrigerator according to claim 1 is characterized in that: the diameter of described fulcrum ball is the 2-3 millimeter and evenly distributes.
4. refrigerator according to claim 1 is characterized in that: described metallic plate is the nickel chromium stainless steel plate.
5. refrigerator according to claim 1 is characterized in that: the edge of described two metallic plates is welded to one another.
6. refrigerator according to claim 1 is characterized in that: one in described two metallic plates is provided with and vacuumizes the hole, and the described hole that vacuumizes seals by vacuum brazing.
7. refrigerator according to claim 1 is characterized in that: one surface in described two metallic plates is polished or is aluminized.
8. according to any described refrigerator of claim 1 to 7, it is characterized in that: described vacuum insulation sheet is arranged in the casing of refrigerator, in the chamber door or in the jube.
9. refrigerator according to claim 8 is characterized in that: described refrigerator adopts cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201203668U CN201050921Y (en) | 2007-05-25 | 2007-05-25 | Vacuum insulation refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201203668U CN201050921Y (en) | 2007-05-25 | 2007-05-25 | Vacuum insulation refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201050921Y true CN201050921Y (en) | 2008-04-23 |
Family
ID=39337411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201203668U Expired - Fee Related CN201050921Y (en) | 2007-05-25 | 2007-05-25 | Vacuum insulation refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201050921Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929592A (en) * | 2010-07-04 | 2010-12-29 | 李文杰 | Vacuum heat-preservation thermal-insulation hollow board |
| CN102116402A (en) * | 2011-01-04 | 2011-07-06 | 合肥美的荣事达电冰箱有限公司 | Vacuum thermal insulation component and manufacturing method thereof, as well as refrigeration device |
| CN103629479A (en) * | 2011-04-30 | 2014-03-12 | 张其明 | Argon thermal insulation method |
| CN108759275A (en) * | 2018-07-21 | 2018-11-06 | 谭希妤 | A kind of ultra-thin refrigerator body and its manufacturing method |
| WO2020042974A1 (en) * | 2018-08-27 | 2020-03-05 | 广州力及热管理科技有限公司 | Thin-type vacuum heat insulating sheet and manufacturing method therefor |
| WO2021218298A1 (en) * | 2020-04-30 | 2021-11-04 | 青岛海尔电冰箱有限公司 | Vacuum thermal insulator, door body, and refrigerator |
-
2007
- 2007-05-25 CN CNU2007201203668U patent/CN201050921Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929592A (en) * | 2010-07-04 | 2010-12-29 | 李文杰 | Vacuum heat-preservation thermal-insulation hollow board |
| CN102116402A (en) * | 2011-01-04 | 2011-07-06 | 合肥美的荣事达电冰箱有限公司 | Vacuum thermal insulation component and manufacturing method thereof, as well as refrigeration device |
| CN103629479A (en) * | 2011-04-30 | 2014-03-12 | 张其明 | Argon thermal insulation method |
| CN108759275A (en) * | 2018-07-21 | 2018-11-06 | 谭希妤 | A kind of ultra-thin refrigerator body and its manufacturing method |
| WO2020042974A1 (en) * | 2018-08-27 | 2020-03-05 | 广州力及热管理科技有限公司 | Thin-type vacuum heat insulating sheet and manufacturing method therefor |
| WO2021218298A1 (en) * | 2020-04-30 | 2021-11-04 | 青岛海尔电冰箱有限公司 | Vacuum thermal insulator, door body, and refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui Konka Electric Co., Ltd. Assignor: Konka Group Co., Ltd. Contract fulfillment period: 2009.3.9 to 2014.3.9 Contract record no.: 2009340000011 Denomination of utility model: Semiconductor galvanic pile cooling vacuum insulating refrigerator Granted publication date: 20080423 License type: Exclusive license Record date: 20090408 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.3.9 TO 2014.3.9; CHANGE OF CONTRACT Name of requester: ANHUI KANKA ELECTRICAL APPLIANCES CO., LTD. Effective date: 20090408 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20120525 |