CN101865587B - Low temperature refrigerator - Google Patents
Low temperature refrigerator Download PDFInfo
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- CN101865587B CN101865587B CN 201010208095 CN201010208095A CN101865587B CN 101865587 B CN101865587 B CN 101865587B CN 201010208095 CN201010208095 CN 201010208095 CN 201010208095 A CN201010208095 A CN 201010208095A CN 101865587 B CN101865587 B CN 101865587B
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Abstract
The invention discloses a low temperature refrigerator, comprising a refrigerator body, a refrigerator door, an evaporator and a semiconductor refrigeration plate. A refrigerating chamber and a freezing chamber are respectively defined in the refrigerator body, the front side of the refrigerator body is provided with an opening, the refrigerator door is installed on the refrigerator body and used for opening and closing the opening, the evaporator is arranged in the back wall of at least one of the refrigerating chamber and the freezing chamber, the hot end of the semiconductor refrigeration plate is in contact with the evaporator, and the cold end is located in at least one of the refrigerating chamber and the freezing chamber. In the low temperature refrigerator, by using the high temperature difference characteristics at two ends of the refrigeration plate, a refrigerating system of the refrigerator is used for dissipating heat at the hot end of the refrigeration plate, thereby achieving the purpose of low temperature at the cold end of the refrigeration plate, and cooling the temperature in a low temperature chamber to 40 to 50 DEG C below zero. Therefore, the low temperature refrigerator has low production cost, small refrigerator volume, and simplified structure of the refrigerating system, can achieve accurate temperature control and has wide adaptability.
Description
Technical field
The invention belongs to refrigeration technology field, especially relate to a kind of low temperature refrigerator.
Background technology
Conventional refrigerator adopts the single stage compress refrigeration usually, and the refrigerating chamber cryogenic temperature generally between-18 ℃ to-20 ℃, can't be realized the low temperature below-40 ℃, so cryogenic temperature is restricted the applicability reduction.Can freeze and adopt twin-stage compression refrigeration usually or adopt special cold-producing medium to realize low temperature to the traditional low temperature refrigerator below-40 ℃.Yet traditional low temperature refrigerator is owing to adopt the twin-stage compressibility or special cold-producing medium is realized low temperature, therefore has bulky, complex structure, expensive, problem such as temperature can not accurately be controlled, can't extensive use thereby cause.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.For this reason, one object of the present invention be to propose that a kind of cost is low, volume reduces, refrigerant system configurations is simplified, realize accurate temperature controller, widely used low temperature refrigerator.
Low temperature refrigerator according to the present invention comprises: casing, be limited with refrigerating chamber and refrigerating chamber in the described casing respectively, and the front side of described casing is provided with opening; Chamber door, described chamber door are installed on the casing, are used for opening and closing described opening; Evaporimeter, described evaporimeter are located at least one the rear wall in refrigerating chamber and the refrigerating chamber; And semiconductor chilling plate, the hot junction of described semiconductor chilling plate contact with described evaporimeter and its cold junction be arranged in refrigerating chamber and refrigerating chamber described at least one.
According to low temperature refrigerator of the present invention, in the low temperature chamber (refrigerating chamber and/or refrigerating chamber) of low temperature, be provided with semiconductor chilling plate owing to freezing at needs, utilize the characteristics of cooling piece two ends high temperature difference, the evaporimeter of the compression refrigerating system by refrigerator is the cooling piece hot-side heat dissipation, thereby realize the purpose of cooling piece cold junction low temperature (for example-30 ℃ to-50 ℃), in other words, the compression refrigerating system of semiconductor chilling plate and refrigerator constitutes cascade refrigeration, thus the temperature in the low temperature chamber is cooled to-40 ℃ to-50 ℃ low temperature.Therefore, according to low temperature refrigerator of the present invention, produce low, the refrigerator volume reduces, refrigerant system configurations is simplified, can realize accurate temperature controller, the applicability height.
In addition, above-mentioned low temperature refrigerator according to the present invention can also have following additional technical characterictic:
Also be limited with the temperature-changing chamber between refrigerating chamber and refrigerating chamber in the described casing, wherein said evaporimeter is arranged at least one the rear wall in refrigerating chamber, refrigerating chamber and the temperature-changing chamber, and the cold junction of described semiconductor chilling plate be arranged in refrigerating chamber, refrigerating chamber and temperature-changing chamber described at least one.
Described at least one rear wall in described refrigerating chamber, refrigerating chamber and the temperature-changing chamber is that the cold junction of metal rear wall and described semiconductor chilling plate is fitted on the described metal rear wall.
Alternatively, low temperature refrigerator according to the present invention may further include the heat exchanger that is arranged on described at least one back in described refrigerating chamber, refrigerating chamber and the temperature-changing chamber, and the cold junction of wherein said semiconductor chilling plate contacts with described heat exchanger.
And then low temperature refrigerator of the present invention may further include the fan that is positioned at the heat exchanger front.
In the rear wall of described refrigerating chamber, refrigerating chamber and temperature-changing chamber, be equipped with evaporimeter and the semiconductor chilling plate corresponding with described evaporimeter.
Described chamber door comprises the first and the 3rd chamber door that is respectively applied to open and close described refrigerating chamber, refrigerating chamber and temperature-changing chamber.
Be respectively equipped with vacuum insulation panel in described at least one casing all around in described refrigerating chamber, refrigerating chamber and temperature-changing chamber.
The hot junction of described semiconductor chilling plate fits on the described evaporimeter.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structural representation of low temperature refrigerator according to an embodiment of the invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, term " on ", close the orientation of indications such as D score, " preceding ", " back " or position is based on orientation shown in the drawings or position relation, only be the present invention for convenience of description rather than require the present invention therefore can not be interpreted as limitation of the present invention with specific orientation structure and operation.For example, in the following description, before the left side among Fig. 1 is, after the right side is.
Below with reference to the low temperature refrigerator of accompanying drawing detailed description according to the embodiment of the invention.
Low temperature refrigerator according to the embodiment of the invention comprises casing 100, chamber door 200, evaporimeter 5 and semiconductor chilling plate 6.
As shown in Figure 1, in a concrete example of the present invention, limit three chambers in the casing 100, be respectively refrigerating chamber A, temperature-changing chamber B and refrigerating chamber C, temperature-changing chamber B is between refrigerating chamber A and refrigerating chamber C.Correspondingly, chamber door 200 is divided into the first and the 3rd chamber door 201-203 that is respectively applied to open and close refrigerating chamber A, temperature-changing chamber B and refrigerating chamber C, and the refrigerator according to this example is also referred to as three-door refrigerator thus.
The evaporimeter 5 of the refrigeration system of refrigerator and semiconductor chilling plate 6 are separately positioned at least one the back (right side among Fig. 1) among refrigerating chamber A, temperature-changing chamber B and the refrigerating chamber C, for example evaporimeter 5 is arranged in the tank wall (for example heat-insulation layer 9) of described at least one chamber back, the hot junction of semiconductor chilling plate 6 contacts with evaporimeter 5 and its cold junction is positioned at described at least one chamber, in other words, the cold junction of semiconductor chilling plate 6 is exposed in described at least one chamber.
As shown in Figure 1, the compressor 1 of refrigeration system and device for drying and filtering 3 are arranged in the space of rear lower of casing 100, condenser 2 is arranged on the outer rear wall of casing 100, device for drying and filtering 3 links to each other with condenser 2 and links to each other with evaporimeter 5 by capillary, thereby compressor 1, condenser 2, device for drying and filtering 3, capillary 4 and evaporimeter 5 constitute refrigeration system.Need to prove that refrigeration system can be the conventional refrigeration of refrigerator, is not described in detail here.
As shown in Figure 1, in a concrete example of the present invention, evaporimeter 5 and semiconductor chilling plate 6 are arranged in the refrigerating chamber A.Yet, it will be appreciated that, the present invention is not limited to this, realize the chamber of low temperature (for example-40 ℃ to-50 ℃) as required, evaporimeter 5 and semiconductor chilling plate 6 can be arranged in this chamber, for example evaporimeter 5 and semiconductor chilling plate 6 also can be arranged in temperature-changing chamber B or the refrigerating chamber C, perhaps are arranged on simultaneously among refrigerating chamber A, temperature-changing chamber B and the refrigerating chamber C.
For convenience of description, being arranged in the refrigerating chamber A with evaporimeter 5 and semiconductor chilling plate 6 below is that example is described.
As shown in Figure 1, evaporimeter 5 is arranged in the rear wall of refrigerating chamber A back, the hot junction of semiconductor chilling plate 6 contacts with evaporimeter 5, for example fit on the evaporimeter 5, thereby utilize 5 pairs of semiconductor chilling plate 6 hot junctions of evaporimeter to freeze, the cold junction of semiconductor chilling plate 6 is positioned at refrigerating chamber A, for example, when the rear wall of refrigerating chamber A was made of metal, the cold junction of semiconductor chilling plate 6 can fit on the metal inner tube, in order to refrigerating chamber A is freezed.Alternatively, be provided with heat exchanger 7 near the semiconductor chilling plate 6 in refrigerating chamber A, so that the cold junction of semiconductor chilling plate 6 freezes by 7 couples of refrigerating chamber A of heat exchanger.In an optional embodiment of the present invention, be provided with fan 10 in heat exchanger 7 fronts, in order to cold air is distributed in the refrigerating chamber A.
Because the hot junction of semiconductor chilling plate 6 and the temperature difference of cold junction can reach more than 30 ℃ when maximum, therefore after the hot junction refrigeration through 5 pairs of semiconductor chilling plates 6 of evaporimeter, the cold junction of semiconductor chilling plate 6 can reach the low temperature below-50 ℃.Utilize the cold junction refrigerating chamber A of semiconductor chilling plate 6, thereby the temperature in the refrigerating chamber A is down to-40 ℃ to-50 ℃.In addition, control the operating current that supplies on the semiconductor chilling plate 6 by high-precision control power supply, can realize accurate temperature controller to the temperature in the refrigerating chamber A.
In certain embodiments, be respectively equipped with vacuum insulation panel 8 in described at least one casing all around in refrigerating chamber A, refrigerating chamber C and temperature-changing chamber B.In the example depicted in fig. 1, be respectively equipped with vacuum insulation panel 8 in the tank wall around refrigerating chamber A, for example be arranged in the insulating foam layer 9 between case courage and the case shell, thereby further refrigerating chamber A be incubated, reduce energy consumption.Alternatively, also can in the tank wall around refrigerating chamber A, refrigerating chamber C and temperature-changing chamber B vacuum insulation panel 8 be set simultaneously.Here, it will be appreciated that the tank wall around refrigerating chamber A, refrigerating chamber C and the temperature-changing chamber B comprises chamber door 200, as shown in Figure 1, in chamber door 200, be provided with vacuum insulation panel 8, thus from refrigerating chamber A, refrigerating chamber C and temperature-changing chamber B being incubated all around, reduce energy consumption, keep the low temperature time.
Low temperature refrigerator according to the embodiment of the invention has been described with reference to the drawings above, low temperature refrigerator according to the embodiment of the invention, realize cryogenic refrigeration owing to adopt a cover refrigeration system and semiconductor chilling plate, thus the temperature in the low temperature chamber can be cooled to-40 ℃ to-50 ℃ low temperature, thereby produce low, the refrigerator volume reduces, refrigerant system configurations is simplified, realize accurate temperature controller, applicability height easily.
In the description of this specification, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (3)
1. a low temperature refrigerator is characterized in that, comprising:
Casing is limited with refrigerating chamber and refrigerating chamber respectively in the described casing, the front side of described casing is provided with opening;
Chamber door, described chamber door are installed on the casing, are used for opening and closing described opening;
Evaporimeter, described evaporimeter are located at least one the rear wall in refrigerating chamber and the refrigerating chamber; With
Semiconductor chilling plate, the hot junction of described semiconductor chilling plate contacts with described evaporimeter, and the hot junction of described semiconductor chilling plate fits on the described evaporimeter,
Also be limited with the temperature-changing chamber between refrigerating chamber and refrigerating chamber in the described casing, wherein said evaporimeter is arranged at least one the rear wall in refrigerating chamber, refrigerating chamber and the temperature-changing chamber, and the cold junction of described semiconductor chilling plate be arranged in refrigerating chamber, refrigerating chamber and temperature-changing chamber described at least one, described at least one rear wall in described refrigerating chamber, refrigerating chamber and the temperature-changing chamber is that the cold junction of metal rear wall and described semiconductor chilling plate is fitted on the described metal rear wall
Described low temperature refrigerator further comprises the heat exchanger that is arranged on described at least one back in described refrigerating chamber, refrigerating chamber and the temperature-changing chamber and is positioned at the fan of heat exchanger front, and the cold junction of wherein said semiconductor chilling plate contacts with described heat exchanger,
Wherein be respectively equipped with vacuum insulation panel in described at least one casing all around in described refrigerating chamber, refrigerating chamber and temperature-changing chamber.
2. low temperature refrigerator according to claim 1 is characterized in that, is equipped with evaporimeter and the semiconductor chilling plate corresponding with described evaporimeter in the rear wall of described refrigerating chamber, refrigerating chamber and temperature-changing chamber.
3. low temperature refrigerator according to claim 1 is characterized in that, described chamber door comprises first to the 3rd chamber door that is respectively applied to open and close described refrigerating chamber, refrigerating chamber and temperature-changing chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010208095 CN101865587B (en) | 2010-06-21 | 2010-06-21 | Low temperature refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010208095 CN101865587B (en) | 2010-06-21 | 2010-06-21 | Low temperature refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101865587A CN101865587A (en) | 2010-10-20 |
| CN101865587B true CN101865587B (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010208095 Active CN101865587B (en) | 2010-06-21 | 2010-06-21 | Low temperature refrigerator |
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| CN (1) | CN101865587B (en) |
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| CN103411366B (en) * | 2013-08-26 | 2016-02-24 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN105222459B (en) * | 2014-06-30 | 2017-08-29 | 青岛海尔股份有限公司 | Refrigerator |
| CN106403442A (en) * | 2015-07-31 | 2017-02-15 | 青岛海尔智能技术研发有限公司 | Refrigerator and defrosting method thereof |
| CN105258423B (en) * | 2015-10-29 | 2018-04-20 | 合肥海尔电冰箱有限公司 | Ice maker |
| CN105258418B (en) * | 2015-10-29 | 2018-02-02 | 合肥海尔电冰箱有限公司 | Refrigerator |
| CN106766540A (en) * | 2017-03-31 | 2017-05-31 | 宁波华斯特林电机制造有限公司 | A kind of multi gear ice chest |
| CN107084575A (en) * | 2017-04-24 | 2017-08-22 | 青岛海尔股份有限公司 | Refrigerator |
| CN107477947A (en) * | 2017-07-18 | 2017-12-15 | 宁波力泰电子科技有限公司 | A kind of multifunctional refrigerator of fast-refrigerating |
| CN107525328A (en) * | 2017-07-18 | 2017-12-29 | 浦江县酉泽水产科技有限公司 | A kind of water purification ice maker |
| CN108955037A (en) * | 2018-09-05 | 2018-12-07 | 长虹美菱股份有限公司 | A kind of six refrigerators of thin-wall construction |
| CN109855359A (en) * | 2019-03-29 | 2019-06-07 | 长虹美菱股份有限公司 | A kind of four four compartment refrigerators of thin-wall construction |
| CN111854274A (en) * | 2019-04-26 | 2020-10-30 | 青岛海尔智能技术研发有限公司 | Refrigeration system, refrigerator and method for controlling refrigerator |
| CN111854301B (en) * | 2019-04-26 | 2022-11-04 | 青岛海尔智能技术研发有限公司 | Heat radiation structure and refrigerator |
| CN112539589A (en) * | 2020-06-19 | 2021-03-23 | 江西哲霆科技有限公司 | Refrigeration structure and medical fridge of two accuses of two temperature |
| CN112284013A (en) * | 2020-11-19 | 2021-01-29 | 珠海格力电器股份有限公司 | Refrigerator, temperature changing chamber and temperature control method thereof |
| CN113503672A (en) * | 2021-06-30 | 2021-10-15 | 澳柯玛股份有限公司 | Ultra-low temperature refrigerating system for refrigerator |
| CN114593539A (en) * | 2022-03-14 | 2022-06-07 | 吉林大学 | Multi-strategy combined refrigeration system capable of accurately controlling low-temperature environment |
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|---|---|---|---|---|
| CN1208164A (en) * | 1997-07-31 | 1999-02-17 | 大宇电子株式会社 | Refrigerator having exclusive cooling apparatus for refreshing chamber |
| CN1259648A (en) * | 1998-11-03 | 2000-07-12 | 曹龙 | Electronic refrigerator |
| CN1796900A (en) * | 2004-12-30 | 2006-07-05 | Lg电子株式会社 | Hybrid cooling system, and refrigerator and freezer using the same |
| CN101305251A (en) * | 2005-11-09 | 2008-11-12 | 艾默生环境优化技术有限公司 | Refrigeration system including thermoelectric module |
| CN201706830U (en) * | 2010-06-21 | 2011-01-12 | 合肥美的荣事达电冰箱有限公司 | Low-temperature refrigerator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000304396A (en) * | 1999-04-20 | 2000-11-02 | Fujitsu General Ltd | Hybrid refrigerator |
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2010
- 2010-06-21 CN CN 201010208095 patent/CN101865587B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208164A (en) * | 1997-07-31 | 1999-02-17 | 大宇电子株式会社 | Refrigerator having exclusive cooling apparatus for refreshing chamber |
| CN1259648A (en) * | 1998-11-03 | 2000-07-12 | 曹龙 | Electronic refrigerator |
| CN1796900A (en) * | 2004-12-30 | 2006-07-05 | Lg电子株式会社 | Hybrid cooling system, and refrigerator and freezer using the same |
| CN101305251A (en) * | 2005-11-09 | 2008-11-12 | 艾默生环境优化技术有限公司 | Refrigeration system including thermoelectric module |
| CN201706830U (en) * | 2010-06-21 | 2011-01-12 | 合肥美的荣事达电冰箱有限公司 | Low-temperature refrigerator |
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| Publication number | Publication date |
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| CN101865587A (en) | 2010-10-20 |
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| C14 | Grant of patent or utility model | ||
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Owner name: HEFEI MIDEA REFRIGERATOR CO., LTD. Free format text: FORMER NAME: HEFEI MEDIA RONGSHIDA REFRIGERATOR CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Hefei Changjiang Road, Anhui, No. 669 Patentee after: Hefei Midea Refrigerator Co., Ltd. Patentee after: Hefei Hualing Co., Ltd. Address before: 230601 Hefei Changjiang Road, Anhui, No. 669 Patentee before: Hefei Media Rongshida Refrigerator Co., Ltd. Patentee before: Hefei Hualing Co., Ltd. |