CN108981266B - Freezing fresh-keeping refrigerator and control method thereof - Google Patents
Freezing fresh-keeping refrigerator and control method thereof Download PDFInfo
- Publication number
- CN108981266B CN108981266B CN201811113728.XA CN201811113728A CN108981266B CN 108981266 B CN108981266 B CN 108981266B CN 201811113728 A CN201811113728 A CN 201811113728A CN 108981266 B CN108981266 B CN 108981266B
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- freezing
- box body
- quick
- temperature sensor
- temperature
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Classifications
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
-
- 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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
-
- 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
- F25D29/00—Arrangement or mounting of control or safety devices
-
- 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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
-
- 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
- F25D2500/00—Problems to be solved
- F25D2500/06—Stock management
Abstract
The invention discloses a freezing fresh-keeping refrigerator and a control method thereof, and relates to the technical field of household appliances. The invention comprises a freezing chamber and a refrigerating system, wherein the freezing chamber comprises a freezing area and a fresh-keeping area, a freezing box body is arranged in the freezing area, and a box cover is matched with the freezing box body; a lifting bracket is arranged at the center of the bottom of the freezing box body, a partition frame is arranged at the top end of the lifting bracket, a circulating pump is also arranged at the bottom of the freezing box body, and quick-freezing liquid is filled in the freezing box body; the freezing box body is internally provided with a first temperature sensor for detecting the temperature of quick-frozen liquid, and is internally provided with a second temperature sensor for detecting the temperature of food placed on the separation frame; the refrigerator also comprises a controller arranged outside the refrigerator body. According to the invention, the quick-freezing liquid is used for quickly cooling and freezing the inside and the outside of the food material, so that the cells of the food material are not damaged, the nutrition loss of the food material is reduced, and the freezing and fresh-keeping effects of the refrigerator on the food material are improved.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a freezing fresh-keeping refrigerator and a control method of the freezing fresh-keeping refrigerator.
Background
With the improvement of living standard, the freshness requirement of consumers on food materials is continuously increased. The refrigerator is used as a main household food material storage appliance, and the fresh-keeping capability of the refrigerator is paid attention to.
The activity of bacteria and enzymes can be greatly reduced under the freezing condition of the refrigerator, so that the food material can be stored for a long time without putrefaction, but the ice crystal is formed on the surface of the food material firstly due to the refrigeration of a common freezing chamber, then the ice crystal is continuously produced inwards, and the cell membrane is broken, so that the nutrient components are lost. Under the same temperature condition, the refrigerating speed of the liquid is far higher than that of the gas, so that the food material can quickly pass through the ice crystal generation belt. Meanwhile, the antifreeze protein component in the quick-frozen liquid can change the generation state of ice crystals, so that the food material forms tiny and round ice crystals in the freezing process.
Disclosure of Invention
The invention aims to provide a freezing fresh-keeping refrigerator, which can quickly cool and freeze the inside and outside of food materials by using quick-freezing liquid, does not damage cells of the food materials, reduces the nutrition loss of the food materials, and improves the freezing fresh-keeping effect of the refrigerator on the food materials.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a freezing fresh-keeping refrigerator, which at least comprises a freezing chamber and a refrigerating system, wherein the freezing chamber comprises a freezing area and a fresh-keeping area, a freezing box body is arranged in the freezing area, and a box cover is matched with the freezing box body; the center of the bottom of the freezing box body is provided with a lifting bracket, the top end of the lifting bracket is provided with a separation frame, the bottom of the freezing box body is also provided with a circulating pump, and quick-freezing liquid is filled in the freezing box body;
the freezing box body is internally provided with a first temperature sensor for detecting the temperature of quick-frozen liquid, and is internally provided with a second temperature sensor for detecting the temperature of food placed on the separation frame; the freezing fresh-keeping refrigerator also comprises a controller which is arranged outside the refrigerator body.
Further, the lifting bracket consists of a bottom fixing block, an internal spring and a sliding rod; the sliding rod comprises an inner sliding rod and an outer sliding rod; the bottom fixing block is fixedly connected with the bottom of the refrigerator body; the outer slide bar is fixed on the bottom fixed block, one end of the inner spring is fixed on the bottom fixed block and positioned in the outer slide bar, and the other end of the inner spring is connected with the inner slide bar; the inner slide rod is connected with the partition frame.
Further, the edge of the separation frame is provided with a sliding block.
Further, the inner wall surface of the refrigerator body is provided with a sliding groove matched with the sliding block.
Further, the first temperature sensor and the second temperature sensor are electrically connected with the controller; and the signal output end of the controller is connected with a refrigerating system and a circulating pump.
Further, the second temperature sensor is an infrared temperature sensor.
Further, the quick-freezing liquid comprises 0.3-1% of antifreeze protein, 10-20% of ethanol, 5-17% of chitin and 62-84% of water in percentage by weight, and the phase transition temperature of the quick-freezing liquid is below-30 ℃.
Further, the quick-freezing liquid comprises 0.7% of antifreeze protein, 15% of ethanol, 11% of chitin and 73.3% of water in percentage by weight, and the phase transition temperature of the quick-freezing liquid is-45 ℃.
A control method of a freezing fresh-keeping refrigerator comprises the following steps:
s1, when a first temperature sensor detects whether the temperature of quick-frozen liquid is between 10 ℃ below zero and 30 ℃ below zero, if not, entering a step S2, and if so, entering a step S3;
s2, the controller controls the starting/closing of the refrigerating system and the starting of the circulating pump, and when the first temperature sensor detects that the temperature of the quick-frozen liquid is between 10 ℃ below zero and 30 ℃ below zero, the step S3 is carried out;
s3, placing the food materials into a separation frame to be completely soaked in the liquid for treatment; when the second temperature sensor detects that the surface temperature of the food material reaches 0-5 ℃, the food material is taken out and put into a freezing area or placed into quick-frozen liquid; at this time, the controller controls the refrigeration system and the circulation pump to the normal set value.
Further, the common set value is the running state of the refrigerating system and the circulating pump in the common freezing state.
The invention has the following beneficial effects:
according to the invention, the quick-freezing liquid is used for quickly cooling and freezing the inside and the outside of the food material, so that the cells of the food material are not damaged, the nutrition loss of the food material is reduced, and the freezing and fresh-keeping effects of the refrigerator on the food material are improved; meanwhile, the invention is provided with the circulating pump in the freezing box filled with the quick-freezing liquid, so that the temperature of each position of the quick-freezing liquid is uniform.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the structure of the refrigerator for freezing and preserving fresh of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "inner," and indicating orientation or positional relationship are merely used for convenience of description and to simplify the description, but do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
Referring to fig. 1, the invention is a freezing fresh-keeping refrigerator, at least comprising a freezing chamber and a refrigerating system, wherein the freezing chamber comprises a freezing zone 1 and a fresh-keeping zone 2, a freezing box body 3 is arranged in the freezing zone 1, and a box cover 4 is matched with the freezing box body 3; the center of the bottom of the freezing box body 3 is provided with a lifting bracket 6, the top end of the lifting bracket 6 is provided with a separation frame 10, the bottom of the freezing box body 3 is also provided with a circulating pump 7, and the freezing box body 3 is filled with quick-frozen liquid 5;
the freezing box body 3 is internally provided with a first temperature sensor 8 for detecting the temperature of the quick-frozen liquid 5, and the freezing box body 3 is internally provided with a second temperature sensor 9 for detecting the temperature of food placed on the separation frame 10;
the refrigerator further comprises a controller 11 mounted outside the refrigerator body.
Further, the lifting bracket 6 consists of a bottom fixing block, an internal spring and a sliding rod; the slide bar comprises an inner slide bar and an outer slide bar; the bottom of the bottom fixed block freezing box body 3 is fixedly connected; the outer slide bar is fixed on the bottom fixed block, one end of the inner spring is fixed on the bottom fixed block and positioned in the outer slide bar, and the other end of the inner spring is connected with the inner slide bar; the inner slide bar is connected with the partition frame 10.
Further, the edge of the shelf 10 is provided with a slider.
Further, the inner wall surface of the refrigerator body 3 is provided with a sliding groove matched with the sliding block.
Further, the first temperature sensor 8 and the second temperature sensor 9 are electrically connected with the controller 11; the signal output end of the controller 11 is connected with a refrigerating system and the circulating pump 7.
Further, the second temperature sensor 9 is an infrared temperature sensor.
Further, the quick-freezing solution 5 comprises 0.7% of antifreeze protein, 15% of ethanol, 11% of chitin and 73.3% of water in percentage by weight, and the phase transition temperature of the quick-freezing solution is-45 ℃.
A control method of a freezing fresh-keeping refrigerator comprises the following steps:
s1, when a first temperature sensor 8 detects whether the temperature of quick-frozen liquid 5 is between 10 ℃ below zero and 30 ℃ below zero, if not, entering step S2, and if entering step S3;
s2, the controller 11 controls the starting/closing of the refrigerating system and the starting of the circulating pump, and when the first temperature sensor 8 detects that the temperature of the quick-frozen liquid 5 is between 10 ℃ below zero and 30 ℃ below zero, the step S3 is carried out;
s3, placing the food materials into a separation frame to be completely soaked in the liquid for treatment; when the second temperature sensor detects that the surface temperature of the food material reaches 0-5 ℃, the food material is taken out and put into a freezing area or placed into quick-frozen liquid 5; at this time, the controller 11 controls the refrigeration system and the circulation pump to the normal set values.
Further, the common set point is the running state of the refrigerating system and the circulating pump in the common freezing state.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. The utility model provides a freezing fresh-keeping refrigerator, includes freezer and refrigerating system at least, its characterized in that: the freezing chamber comprises a freezing area (1) and a fresh-keeping area (2), a freezing box body (3) is arranged in the freezing area (1), and a box cover (4) is matched with the freezing box body (3); the center of the bottom of the freezing box body (3) is provided with a lifting bracket (6), the top end of the lifting bracket (6) is provided with a separation frame (10), the bottom of the freezing box body (3) is also provided with a circulating pump (7), and quick-freezing liquid (5) is filled in the freezing box body (3);
a first temperature sensor (8) for detecting the temperature of the quick-frozen liquid (5) is arranged in the freezing box body (3), and a second temperature sensor (9) for detecting the temperature of food placed on the separation frame (10) is also arranged in the freezing box body (3);
the freezing fresh-keeping refrigerator also comprises a controller (11) arranged outside the refrigerator body;
the quick-freezing liquid (5) comprises 0.3-1% of antifreeze protein, 10-20% of ethanol, 5-17% of chitin and 62-84% of water in percentage by weight, and the phase transition temperature of the quick-freezing liquid is below-30 ℃;
the lifting bracket (6) consists of a bottom fixing block, an internal spring and a sliding rod; the sliding rod comprises an inner sliding rod and an outer sliding rod; the bottom fixing block is fixedly connected with the bottom of the freezing box body (3); the outer slide bar is fixed on the bottom fixed block, one end of the inner spring is fixed on the bottom fixed block and positioned in the outer slide bar, and the other end of the inner spring is connected with the inner slide bar; the inner slide rod is connected with the partition frame (10).
2. The refrigerator according to claim 1, wherein the edge of the shelf (10) is provided with a slider.
3. The freezing and fresh-keeping refrigerator according to claim 1, wherein the inner wall surface of the freezing box body (3) is provided with a sliding groove matched with the sliding block.
4. The freezing and refreshing refrigerator according to claim 1, wherein the first temperature sensor (8) and the second temperature sensor (9) are electrically connected with the controller (11); the signal output end of the controller (11) is connected with a refrigerating system and a circulating pump (7).
5. A refrigerator as claimed in claim 1, characterized in that the second temperature sensor (9) is an infrared temperature sensor.
6. The freezing and fresh-keeping refrigerator according to claim 1, wherein the quick-freezing liquid (5) comprises 0.7% of antifreeze protein, 15% of ethanol, 11% of chitin and 73.3% of water in percentage by weight, and the phase transition temperature of the quick-freezing liquid is-45 ℃.
7. The control method of a freezing fresh-keeping refrigerator according to any one of claims 1 to 6, comprising the following steps:
s1, when a first temperature sensor (8) detects whether the temperature of quick-frozen liquid (5) is between-10 ℃ and-30 ℃ in a preset temperature range, if not, entering a step S2, and if so, entering a step S3;
s2, a controller (11) controls the starting/closing of a refrigerating system and the starting of a circulating pump, and when a first temperature sensor (8) detects that the temperature of quick-frozen liquid (5) is between-10 ℃ and-30 ℃ in a preset temperature, the step S3 is carried out;
s3, placing the food materials into a separation frame to be completely soaked in the liquid for treatment; when the second temperature sensor detects that the surface temperature of the food material reaches 0-5 ℃, the food material is taken out and put into a freezing area or placed into quick-freezing liquid (5); at this time, the controller (11) controls the refrigeration system and the circulation pump to the normal setting value.
8. The method for controlling a fresh-keeping refrigerator according to claim 7, wherein the normal setting value is an operation state of a refrigerating system and a circulating pump in a normal freezing state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811113728.XA CN108981266B (en) | 2018-09-25 | 2018-09-25 | Freezing fresh-keeping refrigerator and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811113728.XA CN108981266B (en) | 2018-09-25 | 2018-09-25 | Freezing fresh-keeping refrigerator and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108981266A CN108981266A (en) | 2018-12-11 |
| CN108981266B true CN108981266B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811113728.XA Active CN108981266B (en) | 2018-09-25 | 2018-09-25 | Freezing fresh-keeping refrigerator and control method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408284A (en) * | 2001-09-29 | 2003-04-09 | 森田食品技术有限公司 | Freezing method and device for food |
| CN203467615U (en) * | 2013-10-09 | 2014-03-12 | 任杰峰 | Food low-temperature and fast fresh partial freezing device |
| CN105066555A (en) * | 2015-08-28 | 2015-11-18 | 沈阳海尔电冰箱有限公司 | Refrigerator |
| JP2017075722A (en) * | 2015-10-14 | 2017-04-20 | 日立アプライアンス株式会社 | refrigerator |
| CN107758059A (en) * | 2017-11-20 | 2018-03-06 | 南京工业大学 | It is a kind of to use magnetic field and the food product refrigeration preservation device of microrefrigerating fluid |
| CN209042851U (en) * | 2018-09-25 | 2019-06-28 | 长虹美菱股份有限公司 | A kind of freeze preservation refrigerator |
-
2018
- 2018-09-25 CN CN201811113728.XA patent/CN108981266B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408284A (en) * | 2001-09-29 | 2003-04-09 | 森田食品技术有限公司 | Freezing method and device for food |
| CN203467615U (en) * | 2013-10-09 | 2014-03-12 | 任杰峰 | Food low-temperature and fast fresh partial freezing device |
| CN105066555A (en) * | 2015-08-28 | 2015-11-18 | 沈阳海尔电冰箱有限公司 | Refrigerator |
| JP2017075722A (en) * | 2015-10-14 | 2017-04-20 | 日立アプライアンス株式会社 | refrigerator |
| CN107758059A (en) * | 2017-11-20 | 2018-03-06 | 南京工业大学 | It is a kind of to use magnetic field and the food product refrigeration preservation device of microrefrigerating fluid |
| CN209042851U (en) * | 2018-09-25 | 2019-06-28 | 长虹美菱股份有限公司 | A kind of freeze preservation refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108981266A (en) | 2018-12-11 |
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