CN108458528B - Air-cooled refrigerator with uniform temperature distribution - Google Patents
Air-cooled refrigerator with uniform temperature distribution Download PDFInfo
- Publication number
- CN108458528B CN108458528B CN201810255139.9A CN201810255139A CN108458528B CN 108458528 B CN108458528 B CN 108458528B CN 201810255139 A CN201810255139 A CN 201810255139A CN 108458528 B CN108458528 B CN 108458528B
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- Prior art keywords
- air
- outlet
- curved plate
- guide block
- cold
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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
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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
- 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
- F25D17/045—Air flow control arrangements
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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
- F25D23/00—General constructional features
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses an air-cooled refrigerator with uniform temperature distribution, wherein a refrigerating air duct cover plate is assembled on the rear wall of the air-cooled refrigerator, a storage chamber is arranged in front of the refrigerating air duct cover plate, an air outlet is arranged in the refrigerating air duct cover plate corresponding to the storage chamber, an air guide block is clamped at the air outlet, the air guide block comprises a curved plate, the front end of the curved plate is provided with a head, the head is positioned at the front end of the air outlet, a part of the head positioned above the curved plate and the curved plate enclose an air guide block front end outlet, and the curved plate bends and extends to the inner end of the air outlet backward and downward; when the cold air passes through the upper surface of the curved plate, the cold air is blown out from the outlet at the front end of the air guide block and moves to the front upper side of the air outlet, and when encountering a front object, the cold air is divided into two parts, one part acts forwards, and the other part flows back to the lower part of the storage chamber. The invention is convenient for generalization and standardization and reduces energy consumption.
Description
Technical Field
The invention relates to an air-cooled refrigerator with uniform temperature distribution.
Background
At present, an air-cooled refrigerator in the market, particularly a double-door refrigerator, is generally provided with an ice-cooling chamber for storing foods needing to be frozen. The chamber is divided into two types, namely accurate temperature control and fuzzy temperature control. The fuzzy temperature control ice greenhouse has low cost, simple process and quick assembly. However, the fuzzy temperature control ice-cold room has stricter requirements on air distribution, circulation paths and the like of the corresponding refrigerating air channels, and for refrigerators with ice-cold rooms with different volumes and different configurations, the refrigerating air channels with different air port shapes and distribution are required, so that the product universalization and standardization promotion is not facilitated, and the defects of complicated die, low service life, easy damage and the like are caused due to the peculiar shapes of part of air ports (facilitating cold air distribution and cold flow path change).
Disclosure of Invention
The invention aims to solve the technical problem of providing the air-cooled refrigerator with uniform temperature distribution, which is convenient for generalization and standardization and reduces energy consumption.
The technical scheme adopted by the invention is as follows:
an air-cooled refrigerator with uniform temperature distribution is provided with a refrigerating air duct cover plate on the rear wall of the air-cooled refrigerator, a storage chamber is arranged in front of the refrigerating air duct cover plate, and an air outlet is arranged on the refrigerating air duct cover plate corresponding to the storage chamber, and is characterized in that: the air outlet is clamped with an air guide block, the air guide block comprises a curved plate, the front end of the curved plate is provided with a head, the head is positioned at the front end of the air outlet, the part of the head positioned above the curved plate and the curved plate enclose an air guide block front end outlet, and the curved plate bends downwards and extends to the inner end of the air outlet; when the cold air passes through the upper surface of the curved plate, the cold air is blown out from the outlet at the front end of the air guide block and moves to the front upper side of the air outlet, and when encountering a front object, the cold air is divided into two parts, one part acts forwards, and the other part flows back to the lower part of the storage chamber.
Further, the air outlet is a straight pipe-shaped outlet, the head is propped against the front end of the straight pipe-shaped outlet, the rear end of the curved plate is provided with a downward barb, the barb is hooked on the rear end of the straight pipe-shaped outlet, one side of the curved plate is provided with a vertical fixing plate, and the upper end of the fixing plate is propped against the upper wall of the straight pipe-shaped outlet.
Further, a front end cover is arranged at the front end of the storage chamber, a gap is arranged between the upper edge of the front end cover and the upper wall of the storage chamber, and when the cold air encounters the front end cover, part of the cold air flows outwards from the gap to act on a front object, and the other part flows back downwards to the lower part of the storage chamber.
Further, the curved shape of the curved plate is a shape obtained by removing half of the quadratic parabola.
Further, the area of the outlet at the front end of the air guide block is 10% -90% of the area of the air outlet.
Further, the area of the outlet at the front end of the air guide block is 20% -75% of the area of the air outlet.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the air duct of cold air in the air-cooled refrigerator is changed through the air guide block, the cold air can flow above and below the storage chamber and can also be divided into parts to act forwards, so that the cold air can be distributed into the whole storage chamber and act on objects in front of the storage chamber, better temperature field distribution is obtained, the temperature distribution is more uniform, and the energy consumption is further reduced.
2. The clamped air guide block can be independently designed according to the requirements, so that the air outlet structure is convenient to generalize and standardize, and the same refrigeration air duct cover plate can be used in air-cooled refrigerators with different specification configurations.
3. The structure provided with the air guide block simplifies the die structure at the air outlet of the cover plate of the refrigerating air duct, and avoids the inclined core pulling structure, thereby reducing the manufacturing cost of the die and prolonging the service life of the die.
Drawings
FIG. 1 is a front view of a refrigerated air duct cover of the present invention;
FIG. 2 is a cross-sectional view of a refrigerated air duct cover of the present invention;
FIG. 3 is a schematic view of a cool air blow-out without a guide block;
FIG. 4 is a schematic view of a cool air blow out with an air guide block installed;
fig. 5 is a schematic view of an air-cooled refrigerator according to a first embodiment of the present invention;
fig. 6 is a schematic view of an air-cooled refrigerator according to a second embodiment of the present invention;
fig. 7 is a schematic view of an air-cooled refrigerator according to a third embodiment of the present invention;
FIG. 8 is a perspective view of an air guide block of the present invention;
fig. 9 is a cross-sectional view of the air guide block of the present invention when it is assembled in the air outlet.
Detailed Description
The invention is further described below with reference to examples.
Embodiment one:
as shown in fig. 5, in the air-cooled refrigerator with uniform temperature distribution in this embodiment, a refrigerating air duct cover plate 502 is mounted on the rear wall of the air-cooled refrigerator, and a storage chamber with upper and lower layers is disposed in front of the refrigerating air duct cover plate, where the storage chamber may be a freezing chamber, a refrigerating chamber, an ice-cooling chamber or a simple layer rack. The storage chamber at the uppermost layer in the air-cooled refrigerator in this embodiment is an ice chamber 503, and the temperature control mode of the ice chamber 503 is fuzzy temperature control. A water dispenser storage tank 505 mounted on the refrigerator door is provided in front of the refrigerator compartment 503.
As shown in fig. 1 and 2, a refrigerating air duct cover plate 502 is shown, eight air outlets (101-108) are formed in the refrigerating air duct cover plate, two air outlets 101, 105 at the uppermost end correspond to an ice greenhouse at the uppermost layer in an air-cooled refrigerator, and air guide blocks are detachably fixed on the two air outlets 101, 105 respectively.
As shown in fig. 8 and 9, the air outlet is a straight pipe outlet, the air guiding block includes a curved plate 901, and the curved shape of the curved plate 901 is a shape obtained by removing half of a secondary parabola. The front end of the curved plate 901 is provided with a head 801, the head 801 is in a circular ring shape, the front end of the curved plate 901 is fixed in the middle of the circular ring, and the part of the head above the curved plate 901 and the front end of the curved plate 901 enclose an air guide block front end outlet 804. The lower recess 805 of the head 801 is a recess that is left to prevent the material from shrinking due to excessive thickness. The head 801 is larger than the front end opening of the air outlet, and is propped against the front end of the air outlet, and the upper edge and the two side edges of the head 801 are provided with coamings 806 in a backward extending mode, and the coamings 806 are surrounded on the outer side wall of the front end of the air outlet.
The curved plate 901 is bent to extend to the inner end of the air outlet in the rear lower direction, a downward barb 803 is arranged at the rear end of the curved plate 901, and the barb 803 is hooked at the rear end of the straight tubular outlet, so that the air guide block is clamped in the air outlet. The right side of curved plate 901 is equipped with vertical fixed plate 802, and the upper end of fixed plate pushes up in the upper wall of straight tubular export for curved plate 901 can not upwards rotate, in the use, the barb 803 just can not break away from the rear end of air outlet yet like this.
As shown in fig. 5, a front cover 504 is provided at the front end of the ice-cold room 503, and a gap 501 is provided between the upper side of the front cover 504 and the upper wall of the storage room. The flow track 506 of cold air in the ice temperature chamber is schematically shown, when the cold air passes over the curved plate, the cold air is blown out from the front end outlet 804 of the air guide block and moves to the front upper side of the air outlet, when the cold air encounters the front end cover 504, the cold air is divided into two parts, one part of the cold air flows outwards from the gap 501 and acts on the front water dispenser water storage tank 505, and the other part of the cold air flows back downwards to the lower part of the storage chamber 503. As can be seen from the flow path 506, the cold air flows through the upper part and the lower part of the ice-cold room, and also acts on the water storage tank 505 of the water dispenser, and the temperature is evenly distributed.
The temperature field distribution condition is determined through test, when the area of the outlet 804 at the front end of the air guide block is 25% -35% of the area of the air outlet, the temperature in the ice greenhouse reaches the national standard requirement, and the temperature distribution in the refrigerator is most uniform, thereby being beneficial to reducing energy consumption.
Fig. 3 illustrates the flow path 301 of the cold air when the air guide block is not installed, and fig. 4 illustrates the flow path 401 of the cold air after the air guide block is installed, which can be obviously compared.
Embodiment two:
as shown in fig. 6, the air-cooled refrigerator with uniform temperature distribution in this embodiment is different from the first embodiment in the following points: the depth of the air-cooled refrigerator of the second embodiment is 10 mm-30 mm deeper than that of the first embodiment, the front of the uppermost layer of the ice-cooling chamber 503 corresponds to the common door shelf 604, the flow track 602 of cold air in the ice-cooling chamber is basically the same as the flow track 506 of cold air of the first embodiment, and cold air flowing outwards from the gap 501 acts on the common door shelf 604.
The temperature field distribution condition is determined through test, when the area of the outlet 804 at the front end of the air guide block is 20% -30% of the area of the air outlet, the temperature in the ice temperature chamber reaches the national standard requirement, and the temperature distribution in the refrigerator is most uniform, thereby being beneficial to reducing energy consumption.
Embodiment III:
as shown in fig. 7, in an air-cooled refrigerator with uniform temperature distribution in this embodiment, a third embodiment is different from the first embodiment in that: in the second embodiment, the uppermost storage compartment in the air-cooled refrigerator is a common glass layer frame 701, and the water storage tank 505 of the water dispenser is also arranged in front of the common glass layer frame of the uppermost layer. The flow track 702 of cold air in the ice temperature chamber is shown in the figure, when the cold air passes through the upper surface of the curved plate, the cold air is blown out from the front end outlet 804 of the air guide block and moves to the front upper side of the air outlet, and when the cold air encounters the front water storage tank 505 of the water dispenser, one part of the cold air directly acts on the water storage tank 505 of the water dispenser, and the other part of the cold air flows back to the lower part of the common glass layer frame 701. Most of the cold air in the common glass layer rack of the embodiment reaches the water storage tank 505 of the water dispenser, so as to achieve the purpose of quickly reducing the water temperature.
The temperature distribution in the refrigerator is most uniform when the area of the outlet at the front end of the air guide block is 40% -60% of the area of the air outlet, and the energy consumption is reduced.
The curve shape of the curved plate of the air guide block and the size of the outlet at the front end of the air guide block can be designed and adjusted according to the air-cooled refrigerators with different models and specifications, and the flow path of cold air is different along with the curve shape of the curved plate and the different sizes of the outlet at the front end of the air guide block, so that the flow speed and the flow path of the cold air can be controlled, the optimal temperature field distribution can be obtained through adjustment, and the energy consumption is further reduced. The larger the downward curvature of the curved panel, the more upward the blown cool air will be. The area of the outlet at the front end of the air guide block can be 10% -90% of the area of the air outlet, and more preferably 20% -75%.
The air guide block can also be used for air outlets of other shapes and structures of the air-cooled refrigerator.
The above-mentioned embodiments of the present invention are not intended to limit the scope of the present invention, and the embodiments of the present invention are not limited thereto, and all kinds of modifications, substitutions or alterations made to the above-mentioned structures of the present invention according to the above-mentioned general knowledge and conventional means of the art without departing from the basic technical ideas of the present invention shall fall within the scope of the present invention.
Claims (5)
1. The utility model provides an air-cooled refrigerator that temperature distribution is even, be equipped with cold-stored wind channel apron on the back wall of air-cooled refrigerator the place ahead of cold-stored wind channel apron is equipped with and hides the thing room, cold-stored wind channel apron corresponds it is equipped with the air outlet to hide the thing room, its characterized in that: the air outlet is clamped with an air guide block, the air guide block comprises a curved plate, the front end of the curved plate is provided with a head, the head is positioned at the front end of the air outlet, a part of the head positioned above the curved plate and the curved plate enclose an air guide block front end outlet, and the curved plate bends and extends to the inner end of the air outlet towards the rear lower side; when the cold air passes through the upper surface of the curved plate, the cold air is blown out from the outlet at the front end of the air guide block and moves to the front upper side of the air outlet, and when encountering a front object, the cold air is divided into two parts, one part acts forwards, and the other part flows back to the lower part of the storage chamber downwards; the air outlet is a straight pipe-shaped outlet, the head is propped against the front end of the straight pipe-shaped outlet, the rear end of the curved plate is provided with a downward barb, the barb is hooked on the rear end of the straight pipe-shaped outlet, one side of the curved plate is provided with a vertical fixing plate, and the upper end of the fixing plate is propped against the upper wall of the straight pipe-shaped outlet.
2. The air-cooled refrigerator with uniform temperature distribution according to claim 1, wherein: the front end of the storage chamber is provided with a front end cover, a gap is arranged between the upper edge of the front end cover and the upper wall of the storage chamber, and when the cold air meets the front end cover, part of the cold air flows outwards from the gap to act on a front object, and the other part of the cold air flows back downwards to the lower part of the storage chamber.
3. The air-cooled refrigerator with uniform temperature distribution according to claim 1, wherein: the curve shape of the curved plate is a shape obtained by removing half of a quadratic parabola.
4. The air-cooled refrigerator with uniform temperature distribution according to claim 1, wherein: the area of the outlet at the front end of the air guide block is 10% -90% of the area of the air outlet.
5. The air-cooled refrigerator with uniform temperature distribution according to claim 1, wherein: the area of the outlet at the front end of the air guide block is 20% -75% of the area of the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810255139.9A CN108458528B (en) | 2018-03-26 | 2018-03-26 | Air-cooled refrigerator with uniform temperature distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810255139.9A CN108458528B (en) | 2018-03-26 | 2018-03-26 | Air-cooled refrigerator with uniform temperature distribution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108458528A CN108458528A (en) | 2018-08-28 |
| CN108458528B true CN108458528B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810255139.9A Active CN108458528B (en) | 2018-03-26 | 2018-03-26 | Air-cooled refrigerator with uniform temperature distribution |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09273854A (en) * | 1996-04-04 | 1997-10-21 | Sanyo Electric Co Ltd | Refrigerator |
| KR20080034326A (en) * | 2006-10-16 | 2008-04-21 | 삼성전자주식회사 | Refrigerator |
| KR20100039559A (en) * | 2008-10-08 | 2010-04-16 | 엘지전자 주식회사 | Refrigerator |
| CN101855504A (en) * | 2007-11-12 | 2010-10-06 | Bsh博世和西门子家用器具有限公司 | Electric refrigerator |
| CN203413901U (en) * | 2013-07-23 | 2014-01-29 | 海信（山东）冰箱有限公司 | Air supply system of refrigerator and refrigerator |
| CN103900323A (en) * | 2014-03-27 | 2014-07-02 | 合肥美的电冰箱有限公司 | Air-cooled refrigerator and air duct cover plate and cabinet of air-cooled refrigerator |
| CN104160227A (en) * | 2012-03-07 | 2014-11-19 | 松下健康医疗器械株式会社 | Drug refrigerator |
| JP2015038391A (en) * | 2011-10-26 | 2015-02-26 | 三菱電機株式会社 | Refrigerator |
| CN106839569A (en) * | 2017-01-09 | 2017-06-13 | 青岛海尔股份有限公司 | Refrigerator and its refrigerating method |
| CN208170816U (en) * | 2018-03-26 | 2018-11-30 | 中国电器科学研究院有限公司 | A kind of wind cooling refrigerator of uniformity of temperature profile |
-
2018
- 2018-03-26 CN CN201810255139.9A patent/CN108458528B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09273854A (en) * | 1996-04-04 | 1997-10-21 | Sanyo Electric Co Ltd | Refrigerator |
| KR20080034326A (en) * | 2006-10-16 | 2008-04-21 | 삼성전자주식회사 | Refrigerator |
| CN101855504A (en) * | 2007-11-12 | 2010-10-06 | Bsh博世和西门子家用器具有限公司 | Electric refrigerator |
| KR20100039559A (en) * | 2008-10-08 | 2010-04-16 | 엘지전자 주식회사 | Refrigerator |
| JP2015038391A (en) * | 2011-10-26 | 2015-02-26 | 三菱電機株式会社 | Refrigerator |
| CN104160227A (en) * | 2012-03-07 | 2014-11-19 | 松下健康医疗器械株式会社 | Drug refrigerator |
| CN203413901U (en) * | 2013-07-23 | 2014-01-29 | 海信（山东）冰箱有限公司 | Air supply system of refrigerator and refrigerator |
| CN103900323A (en) * | 2014-03-27 | 2014-07-02 | 合肥美的电冰箱有限公司 | Air-cooled refrigerator and air duct cover plate and cabinet of air-cooled refrigerator |
| CN106839569A (en) * | 2017-01-09 | 2017-06-13 | 青岛海尔股份有限公司 | Refrigerator and its refrigerating method |
| CN208170816U (en) * | 2018-03-26 | 2018-11-30 | 中国电器科学研究院有限公司 | A kind of wind cooling refrigerator of uniformity of temperature profile |
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| CN108458528A (en) | 2018-08-28 |
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Address after: 510302 No. 204 Xingang West Road, Haizhu District, Guangzhou City, Guangdong Province Applicant after: China Electrical Appliance Research Institute Co.,Ltd. Address before: 510220 Three Blocks, 204 Xingang West Road, Haizhu District, Guangzhou City, Guangdong Province Applicant before: CHINA NATIONAL ELECTRIC APPARATUS RESEARCH INSTITUTE Co.,Ltd. |
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