CN203068865U - Miniature refrigerator - Google Patents
Miniature refrigerator Download PDFInfo
- Publication number
- CN203068865U CN203068865U CN2013200285721U CN201320028572U CN203068865U CN 203068865 U CN203068865 U CN 203068865U CN 2013200285721 U CN2013200285721 U CN 2013200285721U CN 201320028572 U CN201320028572 U CN 201320028572U CN 203068865 U CN203068865 U CN 203068865U
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- Prior art keywords
- heat
- thermal switch
- layer
- refrigerant layer
- refrigerant
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
The utility model provides a miniature refrigerator. The miniature refrigerator at least comprises a refrigerating medium layer, a radiator, a first heat switch, a second heat switch and thermal isolation layers, wherein the refrigerating medium layer is used for absorbing or releasing heat under an electric field effect and comprising a heat absorbing end and a heat releasing end; the radiator is used for releasing heat; the first heat switch is connected with the heat absorbing end of the refrigerating medium layer, and used for supporting a device required to be refrigerated to perform unidirectional heat transmission on the refrigerating medium layer; the second heat switch is positioned between the heat releasing end of the refrigerating medium layer and the radiator, and used for supporting the refrigerating medium layer to perform unidirectional heat transmission on the radiator; and the thermal isolation layers cover on the external surfaces at the periphery of the refrigerating medium layer, the first heat switch and the second heat switch. The miniature refrigerator provided by the utility model has the advantages of easiness in control, convenience in regulation, quickness in response time, small size, no environmental pollution, low cost, easiness in realization and the like.
Description
Technical field
The utility model relates to a kind of refrigerator, particularly relates to a kind of miniature refrigerator.
Background technology
Cooling technic comprises gas compression refrigeration, conductor refrigeration etc.
Compression refrigeration is technology comparative maturity, widely used cooling technic.It is a kind of refrigerating system that refrigerant is compressed with compression cooling machine, to compress from the low-pressure steam that evaporimeter comes, enter condenser after becoming high temperature, high steam, be subjected to the cooling of water or air and condense into highly pressurised liquid, become low pressure liquid through behind the throttle mechanism again, the liquid evaporation makes the corresponding decline of temperature, so absorb heat in evaporimeter, the medium temperature that is cooled is reduced.Cold-producing medium becomes gaseous state by liquid state, returns to compressor, carries out next one circulation again.But compression refrigeration all needs to utilize refrigerant, and this class refrigerant is referred to as freon.Because freon used in a large number, ozone layer is damaged, cause in recent years ozone cavity above the Antarctic constantly to enlarge, it is imperative therefore freon refrigerant to be substituted or seek the New Refrigerating technology.
The P-N knot that conductor refrigeration utilizes extraordinary semi-conducting material to constitute, it is right to form thermocouple, produces Peltier effect, namely passes through a kind of novel refrigeration method of direct current refrigeration.Compare with the compression refrigerator, conductor refrigeration is a kind of solid-state cooling technic, has plurality of advantages, but be limited by that the semi-conducting material refrigeration coefficient is not high, the restriction of material reparation technology and correlation technique, conductor refrigeration efficient is lower, high-power thermoelectric cooling module is difficult to promote, and under the situation of big refrigerating capacity, the freezing capacity of semiconductor cooler is lower than mechanical compression type refrigerator.Therefore, semiconductor cooler can only be used as the small-power refrigerator; And its power supply can only use dc source.
The utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of miniature refrigerator, is used for solving prior art and is difficult to environmental protection, efficiently and not is subjected to power type restrictedly to realize the problem of freezing.
Reach other relevant purposes for achieving the above object, the utility model provides a kind of miniature refrigerator, and described miniature refrigerator comprises at least: the refrigerant layer that under electric field action heat is absorbed or discharges; Described refrigerant layer has the heat absorption end and discharges end with the heat relative with described heat absorption end; The radiator that is used for release heat; Be connected with the heat absorption end of described refrigerant layer, for by a certain refrigeration plant that needs described refrigerant layer being carried out first thermal switch that unidirectional heat transmits; Heat at described refrigerant layer discharges between end and the described radiator, for by described refrigerant layer described radiator being carried out second thermal switch that unidirectional heat transmits; Be covered in the thermal insulation layer of all side external surfaces of described refrigerant layer, described first thermal switch, described second thermal switch.
Preferably, described refrigerant layer is included under the electric field action and polarization state to take place changes and Entropy Changes, thus the refrigerant material that heat is absorbed or discharges.
Preferably, described radiator adopts liquid cools.
Preferably, the structure of described refrigerant layer is block structure or multi-layer film structure.
Preferably, described block structure is rectangular cylinder or cylinder, highly is not less than 80 μ m.Described multi-layer film structure is rectangular cylinder or the cylinder that the identical membrane stack of multilayer shape forms, and thickness of monolayer is not less than 10 μ m, and the height that piles up the cylinder that forms is not less than 20 μ m.
Preferably, the unlatching of described first thermal switch and described second thermal switch or close by electric field controls.
Preferably, be coated with the heat-conducting silicone grease that is useful on sealing between described refrigerant layer and described first thermal switch.Be coated with the heat-conducting silicone grease that is useful on sealing between described refrigerant layer and described second thermal switch.Described thermal insulation layer is coated with the heat-conducting silicone grease that is useful on sealing respectively and between described refrigerant layer, described first thermal switch and described second thermal switch.
Preferably, described first thermal switch and described the need scribble heat-conducting silicone grease between the refrigeration plant.
Under effect of electric field, described first thermal switch is closed, and described second thermal switch is opened, and described refrigerant layer temperature raises, release heat.Described first thermal switch has completely cut off the described heat that needs refrigeration plant to transmit of described refrigerant course.The heat that described refrigerant layer discharges by described second thermal switch to described heat sink.
After removing the electric field that applies, described first thermal switch is opened, and described second thermal switch is closed, and described refrigerant layer temperature reduces, and absorbs heat.Described second thermal switch has completely cut off the heat that described radiator transmits to described refrigerant layer.The described heat that needs refrigeration plant to discharge transmits to described refrigerant layer by described first thermal switch.
As mentioned above, the utility model miniature refrigerator, have following beneficial effect: the polarization state of refrigerant material and entropy change under electric field action, thereby realize fast Absorption or release to heat, this is a kind of new physics effect, utilize this effect to cooperate the design of thermal switch material, realize heat from the need refrigeration plant to the refrigerant layer again to the one-way flow of radiator.The utility model miniature refrigerator has easy to control, and is easy to adjust, advantages such as the response time is fast, size is little, non-environmental-pollution, easy realization.The refrigerant layer also has the low advantage of cost.The utility model miniature refrigerator can be used for the refrigeration of electronic products such as CPU, and very big development space and demand are arranged in daily life.
Description of drawings
Fig. 1 is shown as the structural representation of the utility model miniature refrigerator.
Fig. 2 is shown as the structural representation of the utility model miniature refrigerator second embodiment.
The element numbers explanation
11 refrigerant layers
12 first thermal switch
13 second thermal switch
14 thermal insulation layers
15 radiators
The specific embodiment
Below by particular specific embodiment embodiment of the present utility model is described, person skilled in the art scholar can easily understand other advantages of the present utility model and effect by the content that this specification discloses.
See also Fig. 1.Notice, the appended graphic structure that illustrates of this specification, ratio, size etc., equal contents in order to cooperate specification to disclose only, understand and reading for person skilled in the art scholar, be not in order to limit the enforceable qualifications of the utility model, so technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not influencing under the effect that the utility model can produce and the purpose that can reach, all should still drop in the scope that technology contents that the utility model discloses contains.Simultaneously, quote in this specification as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under no essence change technology contents, when also being considered as the enforceable category of the utility model.
As shown in Figure 1, the utility model provides a kind of miniature refrigerator, and described miniature refrigerator comprises: refrigerant layer 11, first thermal switch 12, second thermal switch 13, thermal insulation layer 14, radiator 15.
First thermal switch 12 links to each other with the heat absorption end of described refrigerant layer, for by a certain refrigeration plant that needs described refrigerant layer being carried out unidirectional heat transmission.Particularly, under electric field action, first thermal switch 12 is closed, and refrigerant layer 11 temperature raise, release heat, and first thermal switch 12 has completely cut off the heat that needs refrigeration plant to transmit to described; After removing the electric field that applies, first thermal switch 12 is opened, and refrigerant layer 11 temperature reduce, and absorb heat, and the described heat that needs refrigeration plant to discharge transmits to refrigerant layer 11 by first thermal switch 12.Be coated with the heat-conducting silicone grease that is useful on sealing between refrigerant layer 11 and first thermal switch 12, guaranteed the thermal isolation when first thermal switch is closed, and the good heat conductive of first thermal switch when opening.
Second thermal switch 13 is between the heat release end and described radiator of described refrigerant layer, for by described refrigerant layer described radiator being carried out unidirectional heat transmission.Particularly, under electric field action, second thermal switch 13 is opened, and refrigerant layer 11 temperature raise, release heat, and the heat that refrigerant layer 11 discharges transmits to radiator 15 by second thermal switch 13; Remove the electric field that applies, second thermal switch 13 is closed simultaneously, and refrigerant layer 11 temperature reduce, and absorbs heat, and second thermal switch 13 has completely cut off the heat that radiator 15 transmits to refrigerant layer 11.Be coated with the heat-conducting silicone grease that is useful on sealing between refrigerant layer 11 and second thermal switch 13, guaranteed the thermal isolation when second thermal switch is closed, and the good heat conductive of second thermal switch when opening.
By the following examples the utility model miniature refrigerator is described in detail.
First embodiment:
In the present embodiment, miniature refrigerator comprises: refrigerant layer 11, first thermal switch 12, second thermal switch 13, thermal insulation layer 14, radiator 15.
In the present embodiment, it is the refrigerant material of foursquare rectangular structure that refrigerant layer 11 adopts the bottom surface, and the bottom surface of described cuboid is that the length of side is the square of 30mm, and height is 100 μ m.Thermal insulation layer 14 is made by heat insulation insulating materials.
Need to prove, in the present embodiment, it is the refrigerant material of foursquare rectangular structure that refrigerant layer 11 adopts the bottom surface, the bottom surface of described cuboid is that the length of side is the square of 30mm, and height is 100 μ m, but not as limit, the material bottom surface can be circle, rectangle or other shape, as long as the height of block is not less than 80 μ m, the bottom surface size shape of block structure and height can have other to change according to the actual requirements so, should have identical effect.
Be coated with the heat-conducting silicone grease that is useful on sealing between refrigerant layer 11 and first thermal switch 12, guaranteed the thermal isolation when first thermal switch is closed, and the good heat conductive of first thermal switch when opening.
Be coated with the heat-conducting silicone grease that is useful on sealing between refrigerant layer 11 and second thermal switch 13, guaranteed the thermal isolation when second thermal switch is closed, and the good heat conductive of second thermal switch when opening.
The refrigeration effect of refrigerant layer 11 applies and removes to realize by alternating electric field, comprises heat release steps and heat absorption step.
Described heat release steps comprises: close first thermal switch 12 and open second thermal switch 13 by electric field action, refrigerant layer 11 is applied electric field, the temperature of refrigerant layer 11 raises, release heat, the heat that discharges transmits to radiator 15 by second thermal switch 13, the heat that radiator 15 absorption refrigeration dielectric layers 11 discharge, and release heat to external world.
Described heat absorption step comprises: open first thermal switch 12 and close second thermal switch 13 by electric field action, remove the electric field that refrigerant layer 11 is applied, the temperature of refrigerant layer 11 reduces.The heat that needs refrigeration plant to discharge transmits to refrigerant layer 11 by first thermal switch 12, and refrigerant layer 11 absorbs the heat that needs refrigeration plant to discharge, and realizes the refrigeration to required refrigeration plant.
Utilize the new physics effect of refrigerant material and alternately opening of thermal switch material, by carrying out described heat absorption step repeatedly and described heat release steps is finished Carnot cycle, the utility model miniature refrigerator has been realized absorbing and has been needed the heat that refrigeration plant discharges and the refrigeration effect that rejects heat to extraneous heat one-way flow.
Second embodiment:
Fig. 2 is the structural representation of the utility model miniature refrigerator second embodiment.
As shown in Figure 2, in the present embodiment, miniature refrigerator comprises: refrigerant layer 11, first thermal switch 12, second thermal switch 13, thermal insulation layer 14, radiator 15.
In the present embodiment, it is the refrigerant material of the multi-layer film structure of circle that refrigerant layer 11 adopts the bottom surface, and described multi-layer film structure is that circular coaxial the piling up in the film center of circle forms by 10 layers of bottom surface.The bottom surface of monofilm is that diameter is the circle of 18mm, and thickness is 10 μ m.Thermal insulation layer 14 is made by heat insulation insulating materials.Radiator 15 adopts liquid cools.The refrigerant layer adopts multi-layer film structure refrigerant material and radiator to adopt liquid cools, all can further promote refrigerating efficiency.
Need to prove, in the present embodiment, it is circular multi-layer film structure refrigerant material that refrigerant layer 11 adopts the bottom surface, described multi-layer film structure is that circular coaxial the piling up in the film center of circle forms by 10 layers of bottom surface, the bottom surface of monofilm is that diameter is the circle of 18mm, thickness is 10 μ m, but not as limit, the material bottom surface can be circle, rectangle or other shape, as long as thickness of monolayer is not less than 10 μ m, the gross thickness of multilayer film is not less than 20 μ m, so the bottom surface size shape of multi-layer film structure, thickness of monolayer, the quantity of film can have other to change according to the actual requirements, should have identical effect.
Be coated with the heat-conducting silicone grease that is useful on sealing between refrigerant layer 11 and first thermal switch 12, guaranteed the thermal isolation when first thermal switch is closed, and the good heat conductive of first thermal switch when opening.
Be coated with the heat-conducting silicone grease that is useful on sealing between refrigerant layer 11 and second thermal switch 13, guaranteed the thermal isolation when second thermal switch is closed, and the good heat conductive of second thermal switch when opening.
The refrigeration effect of refrigerant layer 11 applies and removes to realize by alternating electric field, comprises heat release steps and heat absorption step.
Described heat release steps comprises: close first thermal switch 12 and open second thermal switch 13 by electric field action, refrigerant layer 11 is applied electric field, the temperature of refrigerant layer 11 raises, release heat, the heat that discharges transmits to radiator 15 by second thermal switch 13, the heat that radiator 15 absorption refrigeration dielectric layers 11 discharge, and release heat to external world.
Described heat absorption step comprises: open first thermal switch 12 and close second thermal switch 13 by electric field action, remove the electric field that refrigerant layer 11 is applied, the temperature of refrigerant layer 11 reduces.The heat that needs refrigeration plant to discharge transmits to refrigerant layer 11 by first thermal switch 12, and refrigerant layer 11 absorbs the heat that needs refrigeration plant to discharge, and realizes the refrigeration to required refrigeration plant.
Utilize the new physics effect of refrigerant material and alternately opening of thermal switch material, by carrying out described heat absorption step repeatedly and described heat release steps is finished Carnot cycle, the utility model miniature refrigerator has been realized absorbing and has been needed the heat that refrigeration plant discharges and the refrigeration effect that rejects heat to extraneous heat one-way flow.
The utility model miniature refrigerator cooperates the design of thermal switch material by utilizing a kind of new physics refrigeration effect, realize heat from the need refrigeration plant to the refrigerant layer again to the one-way flow of radiator.The utility model miniature refrigerator has easy to control, easy to adjust, response time is fast, size is little, non-environmental-pollution, cost are low, advantages such as easy realization, the refrigeration that can be used for electronic products such as CPU, so the utility model has effectively overcome various shortcoming of the prior art and tool industry use value.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not is used for restriction the utility model.Any person skilled in the art scholar all can be under spirit of the present utility model and category, and above-described embodiment is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of finishing under spirit that the utility model discloses and the technological thought, must be contained by claim of the present utility model.
Claims (8)
1. a miniature refrigerator is characterized in that, described miniature refrigerator comprises at least:
The refrigerant layer that under electric field action, heat is absorbed or discharges; Described refrigerant layer has the heat absorption end and discharges end with the heat relative with described heat absorption end;
The radiator that is used for release heat;
Be connected with the heat absorption end of described refrigerant layer, for by a certain refrigeration plant that needs described refrigerant layer being carried out first thermal switch that unidirectional heat transmits;
Heat at described refrigerant layer discharges between end and the described radiator, for by described refrigerant layer described radiator being carried out second thermal switch that unidirectional heat transmits;
Be covered in the thermal insulation layer of all side external surfaces of described refrigerant layer, described first thermal switch, described second thermal switch.
2. miniature refrigerator according to claim 1 is characterized in that, described refrigerant layer comprises:
Polarization state takes place under electric field action to be changed and Entropy Changes, thus the refrigerant material that heat is absorbed or discharges.
3. miniature refrigerator according to claim 1 is characterized in that:
Described radiator adopts liquid cools.
4. miniature refrigerator according to claim 1 is characterized in that:
The structure of described refrigerant layer is block structure or multi-layer film structure.
5. miniature refrigerator according to claim 4 is characterized in that:
Described block structure is rectangular cylinder or cylinder, highly is not less than 80 μ m;
Described multi-layer film structure is rectangular cylinder or the cylinder that the identical membrane stack of multilayer shape forms, and thickness of monolayer is not less than 10 μ m, and the height that piles up the cylinder that forms is not less than 20 μ m.
6. miniature refrigerator according to claim 1 is characterized in that:
The unlatching of described first thermal switch and described second thermal switch or close by electric field controls.
7. miniature refrigerator according to claim 1 is characterized in that:
Be coated with the heat-conducting silicone grease that is useful on sealing between described refrigerant layer and described first thermal switch; Be coated with the heat-conducting silicone grease that is useful on sealing between described refrigerant layer and described second thermal switch; Described thermal insulation layer is coated with the heat-conducting silicone grease that is useful on sealing respectively and between described refrigerant layer, described first thermal switch and described second thermal switch.
8. miniature refrigerator according to claim 1 is characterized in that:
Described first thermal switch and described the need scribble heat-conducting silicone grease between the refrigeration plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200285721U CN203068865U (en) | 2013-01-18 | 2013-01-18 | Miniature refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200285721U CN203068865U (en) | 2013-01-18 | 2013-01-18 | Miniature refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203068865U true CN203068865U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013200285721U Expired - Fee Related CN203068865U (en) | 2013-01-18 | 2013-01-18 | Miniature refrigerator |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875116A (en) * | 2015-06-09 | 2015-09-02 | 青岛理工大学 | Nano-liquid electrostatic atomization and thermoelectric heat pipe integrated trace lubrication grinding device |
| CN106091470A (en) * | 2016-06-21 | 2016-11-09 | 上海工程技术大学 | A kind of refrigeration plant and refrigerating method thereof |
| CN106091471A (en) * | 2016-06-21 | 2016-11-09 | 上海工程技术大学 | A kind of electricity card refrigerator |
| CN106123391A (en) * | 2016-06-21 | 2016-11-16 | 上海工程技术大学 | A kind of all solid state electricity card refrigerator |
| CN106123392A (en) * | 2016-06-21 | 2016-11-16 | 上海工程技术大学 | A kind of electricity card refrigeration system |
| CN106382763A (en) * | 2016-09-09 | 2017-02-08 | 南京大学 | Full-solid-state indoor temperature ferroelectric refrigeration machine based on thermal switches |
| US9925638B2 (en) | 2015-06-09 | 2018-03-27 | Qingdao Technological University | Minimal quantity lubrication grinding device integrating nanofluid electrostatic atomization with electrocaloric heat pipe |
| CN108662806A (en) * | 2018-05-24 | 2018-10-16 | 郑州大学 | A kind of two phase flow refrigerating plant based on electrocaloric effect |
| CN111902014A (en) * | 2019-05-06 | 2020-11-06 | 宏达国际电子股份有限公司 | Heat dissipation module and electronic device |
-
2013
- 2013-01-18 CN CN2013200285721U patent/CN203068865U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875116A (en) * | 2015-06-09 | 2015-09-02 | 青岛理工大学 | Nano-liquid electrostatic atomization and thermoelectric heat pipe integrated trace lubrication grinding device |
| US9925638B2 (en) | 2015-06-09 | 2018-03-27 | Qingdao Technological University | Minimal quantity lubrication grinding device integrating nanofluid electrostatic atomization with electrocaloric heat pipe |
| CN106091470A (en) * | 2016-06-21 | 2016-11-09 | 上海工程技术大学 | A kind of refrigeration plant and refrigerating method thereof |
| CN106091471A (en) * | 2016-06-21 | 2016-11-09 | 上海工程技术大学 | A kind of electricity card refrigerator |
| CN106123391A (en) * | 2016-06-21 | 2016-11-16 | 上海工程技术大学 | A kind of all solid state electricity card refrigerator |
| CN106123392A (en) * | 2016-06-21 | 2016-11-16 | 上海工程技术大学 | A kind of electricity card refrigeration system |
| CN106382763A (en) * | 2016-09-09 | 2017-02-08 | 南京大学 | Full-solid-state indoor temperature ferroelectric refrigeration machine based on thermal switches |
| CN106382763B (en) * | 2016-09-09 | 2019-04-23 | 南京大学 | All solid state room temperature ferroelectric refrigerator based on thermal switch |
| CN108662806A (en) * | 2018-05-24 | 2018-10-16 | 郑州大学 | A kind of two phase flow refrigerating plant based on electrocaloric effect |
| CN111902014A (en) * | 2019-05-06 | 2020-11-06 | 宏达国际电子股份有限公司 | Heat dissipation module and electronic device |
| CN111902014B (en) * | 2019-05-06 | 2023-03-14 | 宏达国际电子股份有限公司 | Heat dissipation module and electronic device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20160118 |
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| EXPY | Termination of patent right or utility model |