CN2284370Y - Refrigerator having fast freezing and defreezing functions - Google Patents
Refrigerator having fast freezing and defreezing functions Download PDFInfo
- Publication number
- CN2284370Y CN2284370Y CN97206750U CN97206750U CN2284370Y CN 2284370 Y CN2284370 Y CN 2284370Y CN 97206750 U CN97206750 U CN 97206750U CN 97206750 U CN97206750 U CN 97206750U CN 2284370 Y CN2284370 Y CN 2284370Y
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- Prior art keywords
- quick
- frozen
- chamber
- refrigerator
- refrigerating
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- Expired - Fee Related
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/30—Quick freezing
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model provides a refrigerator having the fast freezing and defreezing functions, comprising a freezing chamber, a fast freezing door and a fast freezing chamber composed of a door seal and a shell; the refrigerator having the fast freezing and defreezing functions is characterized in that the fast freezing chamber is provided with a semi-conductive refrigerating chip, and a radiation fin is positioned at the position of the space which has the lowest temperature in the refrigerator outside the fast freezing chamber; the freezing chamber is provided with a selective switch which can change the positive-negative polarity of the input power supply of the semi-conductive refrigerating chip to achieve the functions of fast freezing or defreezing. Since a semi-conductive refrigerating source is used, the refrigerator having the fast freezing and defreezing functions has the advantages of simple structure, no noise and no pollution; since the selective switch which can change the polarity of the power supply of the refrigerating source is used, the fast freezing chamber can freeze and defreeze fast and the operation is simple.
Description
The utility model relates to the refrigeration technology field of household electrical appliance, the refrigerator that relates in particular to a kind of quick-frozen and thaw and have concurrently.
Along with the raising of people's living standard with to the pursuit of (comprising food color and nutrition) of frozen food quality, and the progress of modern food Refrigeration Technique, in daily life, begin to occur specification requirement to required freezing, the refrigeration of related food, the gentle quick-frozen of ice etc.
Current research shows, in refrigerating process, preserves the food particularly freshness and the nutrition of fresh fish, meat product to greatest extent, can preserve food with the cold method of speed.Point out as the refrigerator technical descriptioon that is provided by Japanese Toshiba: the instant freezing secret formula that makes food keep original local flavor is that chilling rate is fast, as long as made food in cryogenic temperature-1～-5 ℃ quick-frozen in the clock time at 30 minutes, with regard to unlikely destruction food tissue.
The data that provides according to research, in the food freezing process, food includes 80% moisture and form ice crystal in 0 ℃～-5 ℃ temperature range, because the salt content of liquid is higher than the salt content of iuntercellular liquid in the food cell, when temperature slowly descends, ice crystal at first is created between cell and the cell, and a big grain is thick.As everyone knows, water its volume when build-uping ice will increase 9%, so its crystallization pair cell wall generation tension force, and this uneven tension force can destroy the cellular plasm film, when food defrosting, and a large amount of juice losses, food quality obviously reduces.Studies show that, if the central portion temp of food passed through-1～-5 ℃ at 30 minutes in the clock time, then the inside and outside moisture of cell almost reaches simultaneously and forms the ice crystal condition, the crystal grain that thereby formation is evenly distributed, a granule is thin, cell membrane destroys few, cell juice runs off and lacks when thawing, and the quality of food is also just high.
This quick-frozen of the original local flavor of food and its maximum differential of the quick-frozen on the universal of keeping is the given of freeze-off time and velocity interval.Its freeze-off time of different food and freezing speed have nothing in common with each other.Therefore, refrigerator as family expenses, for the required quick-frozen of preservation and freshness that is used for animal based foods such as fresh fish, meat should be especially: " in 30 fens clock times, the maximum ice crystalline region by food (most of food-1～-5 ℃), and the food freezing finishing temperature is-18 ℃ ".
Freeze in the refrigerator of function in existing belt speed, realize that the technical scheme that quick-frozen is adopted mainly contains following several: 1. be 91215843.3 disclosed as application number, the air blast circulation loop that utilizes air blast and air entering and returning guide plate to constitute, promptly utilize additional blower fan and air channel structure, employing forces the method for inhaling cold wind to realize quickening freezing, its shortcoming is to cause the increase of noise owing to the increase of air blast; 2. freeze the refrigerator of function as the belt speed of producing listing by Wuxi cygnet Co., Ltd and PANASONIC jointly, it is to utilize the release of the part cold that regenerator is stored in advance in refrigerating chamber and cold acting in conjunction that compressor produces to realize adding the refrigerating process of instant food, its weak point is that the cold that regenerator is stored in advance is not enough to reach the required requirement of quick-frozen; 3. and for example application number is 94221177.4 disclosed technical schemes, and it is a method of utilizing filling quick freezing liquid or other liquid, the food of adjacent thermal insulation chamber interior walls is carried out freezing, has also brought the inconvenience used etc. thus.
The purpose of this utility model is the refrigerator that proposes a kind of improved quick-frozen and thaw and have concurrently, and it can reduce noise, and is pollution-free, and simple in structure, easy to use, and operation is easily gone.
The purpose of this utility model is achieved in that a kind of quick-frozen and the refrigerator that thaws and have concurrently, comprising: a refrigerating chamber; Be arranged on the quick-frozen chamber in the refrigerating chamber, it is made up of snap-chill cabinet door, fast chilling chamber door envelope and quick-frozen chamber enclosure, and its characteristics are that described quick-frozen is equipped with semiconductor refrigeration chip in the chamber, and it is outdoor that its fin is positioned at quick-frozen, refrigerator temperature lowest spatial place; In described refrigerating chamber, be provided with one and can change the input power positive cathode of semiconductor refrigeration chip to realize the selector switch 11 of the quick-frozen or the function of thawing.
The utility model makes it simple in structure owing in the indoor long-life conductor refrigeration source that is provided with of quick-frozen, can not only realize quick-frozen, and make the quick-frozen chamber can reduce air blast or regenerator or quick freezing liquid, can reduce the noise and the pollution of refrigerator thus; Simultaneously, owing to use the selector switch that can change semiconductor refrigeration chip input power positive cathode, utilize the physical characteristic of semiconductor refrigerating original paper that quick-frozen of the present utility model chamber can be thawed again in quick-frozen, and operation is simple.
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is for according to a kind of quick-frozen that the utility model proposes with the structural representation of the refrigerator that has concurrently of thawing.
Fig. 2 is for according to the another kind of quick-frozen that the utility model proposes with the structural representation of the refrigerator that has concurrently of thawing.
Fig. 3 is for according to another quick-frozen that the utility model proposes with the structural representation of the refrigerator that has concurrently of thawing.
Describe details and working condition thereof in detail below in conjunction with accompanying drawing, therefrom also can further find out other purpose, feature and advantage of the present utility model according to the concrete device that the utility model proposes.
Operation principle of the present utility model is:
Be positioned at by 2 li of the quick-frozen chambers of freezer compartment of refrigerator 1, noiseless, pollution-free, easy to control, long-life refrigeration source be housed constitute a kind of solid coolant element that the semiconductor cooling device of critical piece is made according to Peltier effect one by one by semiconductor refrigeration chip 6 and fin 7 one by one.
Utilize Peltier effect, manufacture and design refrigerating appliance, promptly achieve success as far back as the beginning of the fifties.For improving the efficient of semiconductor cooler, seek new P-N knot material, developed into quite ripe to the mid-1960s semiconductor refrigerating.By appropriate combination and design, can make the refrigerating capacity and the cryogenic temperature of semiconductor cooler acquisition certain limit, adopt the method for tandem especially, promptly go to cool off the method in the hot junction (fin) of another grade with the cold junction of one-level, just can obtain lower temperature.Based on this technology, a kind of technical scheme of the present utility model, promptly utilize the cold in minimum temperature space 9 in the freezer compartment of refrigerator 1 to cool off the fin 7 (hot junction) of semiconductor cooling device, reach the purpose that in quick-frozen chamber 2 semiconductor refrigeration chip 6 is emitted more cold, lower temperature with this.
See also Fig. 1, this is the structural representation of a kind of embodiment that the utility model proposes.Wherein, label 1 is a refrigerating chamber, establishes the snap-chill cabinet of being made up of fast chilling chamber door 3, fast chilling chamber door envelope 4 and quick-frozen chamber enclosure 52 in refrigerating chamber 1, is equipped with semiconductor refrigeration chip 6 for 2 li in described quick-frozen chamber, its fin 7 is positioned at outside the quick-frozen chamber 2, refrigerator temperature lowest spatial 9 places; Being provided with one in described refrigerating chamber 1 can be by changing the input power positive cathode of semiconductor refrigeration chip 6, to realize the selector switch 11 of the quick-frozen or the function of thawing.
See also Fig. 2, this is the structural representation of the another kind of embodiment that the utility model proposes.It is partitioned into a block space and forms snap-chill cabinet 2 in the refrigerating chamber 1 of refrigerator, comprise fast chilling chamber door 3, quick-frozen chamber gasket 4, the inner bag of quick-frozen chamber 2 adopts aluminium alloy, filling heat insulator between quick-frozen chamber enclosure 5 and aluminium alloy inner bag, 2 inner bottom parts are loaded onto semiconductor cooler in the quick-frozen chamber, and wherein refrigerating chip 6 is close to the bottom of snap-chill cabinet 2 aluminium alloy inner bags, fin 7 on the another side of chip is positioned at outside the fast chamber 2, is the part of evaporator of refrigerator 10; Being provided with one in described refrigerating chamber 1 can be by changing the input power positive cathode of semiconductor refrigeration chip 6, to realize the selector switch 11 of the quick-frozen or the function of thawing.
See also Fig. 3, this is the structural representation of another embodiment that the utility model proposes.It is partitioned into a block space and forms quick-frozen chamber 2 in the refrigerating chamber 1 of refrigerator, comprise fast chilling chamber door 3, quick-frozen chamber gasket 4, the inner bag of quick-frozen chamber 2 adopts aluminium alloy, filling heat insulator between quick-frozen chamber enclosure 5 and aluminium alloy inner bag, 2 inner bottom parts are loaded onto semiconductor cooler in the quick-frozen chamber, and wherein refrigerating chip 6 is close to the bottom of quick-frozen chamber 2 aluminium alloy inner bags, and the fin 7 on the another side of chip is positioned at low temperature air outlet 8 places of refrigerating chamber 1; The power supply of the part of semiconductor refrigerating is provided by vertoro spare, and electric power polarity and size of current change by selector switch 11 and regulate.
When the utility model needs quick-frozen, 11 groups of selector switches are held to " cold ", begin refrigeration, refrigerating chip 6 produces cold and passes to food by aluminium alloy, and the heat that the other end of cooling module produces is discharged in the refrigerating chamber 1 by radiator 7, and this part heat gives rapid balance by the cold that compressor produces.Method by this tandem refrigeration is to reach the purpose of quick-frozen.And when needs thaw to frozen food, only need 11 groups of change-over switches to " heat " end, this moment current reversal, originally Zhi Leng one side begins to heat, heat is passed to frozen food by the aluminium alloy inner bag and is thawed, and original hot junction begins to freeze.
The utility model is owing to adopt ripe semiconductor refrigerating technology, especially tandem Refrigeration Technique scheme and under the less working condition of temperature difference, the combination of the physical characteristic that semiconductor refrigerating efficient can obviously improve and utilize control break semiconductor refrigerating element input electric power polarity dexterously, can realize the quick-frozen or the function of thawing, make the utility model refrigerator not only its volume dwindle greatly, and has noiseless, pollution-free, long-life, characteristics such as easy to control, for providing a kind of, people both can preserve the original local flavor of food to greatest extent, and the refrigerating appliance that cost is lower again, therefore, very practical.
Claims (3)
1. a quick-frozen and the refrigerator that thaws and have concurrently comprise:
One refrigerating chamber (1);
One is arranged on the quick-frozen chamber (2) in the refrigerating chamber (1), and it is made up of fast chilling chamber door (3), fast chilling chamber door envelope (4) and quick-frozen chamber enclosure (5);
It is characterized in that,
Described quick-frozen chamber (2) is built-in with semiconductor refrigeration chip (6), and its fin (7) is positioned at outside the quick-frozen chamber (2), and refrigerator temperature lowest spatial (9) is located;
In described refrigerating chamber (1), be provided with one and can change semiconductor refrigeration chip (6) input power positive cathode to realize the selector switch (11) of the quick-frozen or the function of thawing.
2. a kind of quick-frozen as claimed in claim 1 and the refrigerator that thaws and have concurrently is characterized in that, described fin (7) is positioned at outside the quick-frozen chamber (2), is the part of evaporator of refrigerator (10).
3. a kind of quick-frozen as claimed in claim 1 and the refrigerator that thaws and have concurrently is characterized in that, described fin (7) is positioned at outside the quick-frozen chamber (2), and the low temperature air outlet (8) of refrigerating chamber (1) is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97206750U CN2284370Y (en) | 1997-03-17 | 1997-03-17 | Refrigerator having fast freezing and defreezing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97206750U CN2284370Y (en) | 1997-03-17 | 1997-03-17 | Refrigerator having fast freezing and defreezing functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2284370Y true CN2284370Y (en) | 1998-06-17 |
Family
ID=33926667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97206750U Expired - Fee Related CN2284370Y (en) | 1997-03-17 | 1997-03-17 | Refrigerator having fast freezing and defreezing functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2284370Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538283A (en) * | 2012-02-07 | 2012-07-04 | 合肥美的荣事达电冰箱有限公司 | Refrigerating equipment, refrigerating device for refrigerating equipment and control method |
| CN103411366A (en) * | 2013-08-26 | 2013-11-27 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN104654712A (en) * | 2013-11-25 | 2015-05-27 | 海尔集团公司 | Refrigerator and controlling method thereof |
| CN105501683A (en) * | 2016-01-22 | 2016-04-20 | 河南鸿昌电子有限公司 | Semi-surrounding type cold and heat storage box |
| CN107712583A (en) * | 2017-09-30 | 2018-02-23 | 重庆市奇格食品有限公司 | A kind of quick-freezing dumpling and its processing technology |
| US10101078B2 (en) | 2013-07-10 | 2018-10-16 | Arcelik Anonim Sirketi | Refrigerator comprising an ice cream making machine |
| CN110285627A (en) * | 2019-06-28 | 2019-09-27 | 合肥美的电冰箱有限公司 | A kind of refrigeration equipment and its control method |
| CN112781307A (en) * | 2020-12-24 | 2021-05-11 | 珠海格力电器股份有限公司 | Auxiliary heat exchange device and refrigerator |
| WO2021232778A1 (en) * | 2020-05-21 | 2021-11-25 | 合肥美的电冰箱有限公司 | Refrigerator, quick-freezing control method for refrigerator, and computer-readable storage medium |
| CN114777382A (en) * | 2022-04-29 | 2022-07-22 | 长虹美菱股份有限公司 | Wide temperature-changing refrigerator and control method thereof |
-
1997
- 1997-03-17 CN CN97206750U patent/CN2284370Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538283B (en) * | 2012-02-07 | 2014-11-26 | 合肥美的电冰箱有限公司 | Refrigerating equipment, refrigerating device for refrigerating equipment and control method |
| CN102538283A (en) * | 2012-02-07 | 2012-07-04 | 合肥美的荣事达电冰箱有限公司 | Refrigerating equipment, refrigerating device for refrigerating equipment and control method |
| US10101078B2 (en) | 2013-07-10 | 2018-10-16 | Arcelik Anonim Sirketi | Refrigerator comprising an ice cream making machine |
| CN103411366A (en) * | 2013-08-26 | 2013-11-27 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN103411366B (en) * | 2013-08-26 | 2016-02-24 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN104654712A (en) * | 2013-11-25 | 2015-05-27 | 海尔集团公司 | Refrigerator and controlling method thereof |
| CN105501683A (en) * | 2016-01-22 | 2016-04-20 | 河南鸿昌电子有限公司 | Semi-surrounding type cold and heat storage box |
| CN107712583A (en) * | 2017-09-30 | 2018-02-23 | 重庆市奇格食品有限公司 | A kind of quick-freezing dumpling and its processing technology |
| CN110285627A (en) * | 2019-06-28 | 2019-09-27 | 合肥美的电冰箱有限公司 | A kind of refrigeration equipment and its control method |
| WO2021232778A1 (en) * | 2020-05-21 | 2021-11-25 | 合肥美的电冰箱有限公司 | Refrigerator, quick-freezing control method for refrigerator, and computer-readable storage medium |
| CN113701425A (en) * | 2020-05-21 | 2021-11-26 | 合肥华凌股份有限公司 | Refrigerator, quick-freezing control method of refrigerator and computer readable storage medium |
| CN112781307A (en) * | 2020-12-24 | 2021-05-11 | 珠海格力电器股份有限公司 | Auxiliary heat exchange device and refrigerator |
| CN114777382A (en) * | 2022-04-29 | 2022-07-22 | 长虹美菱股份有限公司 | Wide temperature-changing refrigerator and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |