CN1247946C - Air circulation system for refrigerator - Google Patents
Air circulation system for refrigerator Download PDFInfo
- Publication number
- CN1247946C CN1247946C CNB011403888A CN01140388A CN1247946C CN 1247946 C CN1247946 C CN 1247946C CN B011403888 A CNB011403888 A CN B011403888A CN 01140388 A CN01140388 A CN 01140388A CN 1247946 C CN1247946 C CN 1247946C
- Authority
- CN
- China
- Prior art keywords
- refrigerating chamber
- temperature
- rotary body
- circulation system
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Images
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
- 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
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household 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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
-
- 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
- F25D2317/06—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 with forced air circulation
- F25D2317/066—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 with forced air circulation characterised by the air supply
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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
- F25D2325/00—Charging, supporting or discharging the articles to be cooled, not provided for in other groups of this subclass
- F25D2325/021—Shelves with several possible configurations
-
- 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
- F25D2400/34—Temperature balancing 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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
Landscapes
- 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 present invention relates to a system for circulating chilled air of refrigerator, which forciblely and uniformly distributes the cool air flowing into the a freezer compartment and a refrigerator compartment through the blast fan of the refrigerator, and holds the temperature in special one of the goods accommodating space divided in the freezer compartment/the refrigerator compartment higher or lower in the prescribed range than the temperature in the other goods accommodating space.
Description
Technical field
The present invention relates to a kind of refrigerator; Be particularly related to the air circulation system of refrigerator, it makes cold air can flow equably in refrigerating chamber and refrigerating chamber.
Background technology
Refrigerator freezing or cooling beverage or food comprises: an outer cover that limits the article spatial accommodation, and described article container space is divided into refrigerating chamber and refrigerating chamber; Refrigerating chamber and refrigerating-chamber door, they are installed in a side of described outer cover; With various devices, comprise a compressor reducer, a condenser and an evaporimeter, they carry out refrigerant cycles to produce cold air.
In such refrigerator, the gas refrigerant in low temperature and low-pressure state is compressed to high temperature and high pressure, and cooling press shortens the liquid of high pressure into by compressor the time then.High-pressure refrigerant temperature and pressure by capillary the time reduces, and the result is transformed into the gas of low temperature and low pressure in evaporimeter, absorbs heat with the cooling ambient air from surrounding environment.By the cold air of evaporator cools, by the work of blower fan, be recycled to refrigerating chamber and refrigerating chamber, make the temperature of refrigerating chamber and refrigerating chamber descend.
Simultaneously, refrigerator has the air circulation system that the cold air that produces around the evaporimeter is circulated, and the structure of wherein said air circulation system is various according to refrigerator type.
Fig. 1 illustrates example of air circulation system, and it is the refrigerator that is applied to type side by side, and this refrigerator has horizontal side by side refrigerating chamber and refrigerating chamber.As shown in Figure 1, this air circulation system comprises: a blower fan 20, and it is installed in the blast chamber 101 on the top rear portion of refrigerating chamber 10; With an air damper 22, it is installed in the upper end of refrigerating chamber 12, communicates with described blast chamber 101.
At this moment, described blast chamber 101 is located in the evaporator room in the rear portion of refrigerating chamber 10, and air damper 22 is provided with air outlet slit 22a in a side.
According to such air circulation system, when refrigerating chamber 10 had the temperature that is lower than reference value, compressor made ozone produce around evaporimeter with blower fan 20 startings, is assigned to refrigerating chamber 10 and air damper 22 by blower fan 20 then.When the temperature of refrigerating chamber 12 is lower than reference value, only blower fan 20 startings will be transported to refrigerating chamber 12 at the cold air in the refrigerating chamber 10.
The cold air that is assigned to refrigerating chamber 10 circulates in refrigerating chamber 10, flow to evaporator room again via the air intake that on the bottom, is provided with then, thereby, be assigned to refrigerating chamber 12 via cold-air vent 22a in side and bottom setting to the cold air of air damper 22 guiding.
Then, as shown in Figure 2, be assigned to the refrigerating chamber cold air of (arrow is represented among Fig. 2), the time downwards by the interval between door 14 and the article rack 16, be assigned to each the article container space that limits by article rack 16, be introduced in the air intake 12a that connects evaporator room at last.
According to the so-called concentrated air distribution circulatory system, wherein cold air only distributes from a side as mentioned above, and described refrigerator has simple structure.For example, wherein air damper 22 allows 12 simple structures of carrying the air routing of cold air from blast chamber 101 to refrigerating chamber, so that productivity ratio is higher.
But, exist problem in the described concentrated air distribution circulatory system, because the refrigerating chamber 10 adjacent with blast chamber 101 and stream adjuster 22 and the upper end of refrigerating chamber 12 have lower temperature, and their lower end has higher temperature, so they have aggravated variations in temperature.And article rack 16 blocks air flow, and cause the temperature difference between each the article container space that is separated by article rack.
Simultaneously,, as shown in Figure 3, further developed a kind of so-called dispersion air distribution circulatory system, wherein in each space that article rack 16 limits, additionally be provided with air outlet slit 121 in order to compensate the shortcoming of the described concentrated air distribution circulatory system.According to this dispersion distribution system, each space drainage that cold air separates from article rack 16, consequently the variations in temperature in refrigerating chamber 10 and refrigerating chamber 12 can reduce, thereby keeps refrigeration temperature uniformly.
But this dispersion air distribution system requirements makes the productivity ratio of refrigerator reduce from the conduit 13 of blast chamber 101 to the labyrinth of each air outlet slit 121.In addition, when conduit 13 is arranged in the heat-barrier material in the outer cover when guaranteeing the volume in article container space, the problem of existence is that the heat-insulating capability of refrigerator reduces (see figure 3).
Summary of the invention
Therefore, the present invention is by providing a kind of air circulation system of refrigerator, the problems referred to above of prior art have been solved, described system makes the cold air that is incorporated into refrigerating chamber and refrigerating chamber can be distributed to equably in each space that is limited by article rack, if and any variations in temperature takes place between article rack, also compensate these variations in temperature, make and in refrigerating chamber and refrigerating chamber, can realize uniform cooling.
According to the one embodiment of the present of invention that achieve the above object, a kind of air circulation system that is used for refrigerator is provided, wherein refrigerating chamber and refrigerating chamber are arranged side by side, and this air circulation system comprises: a blower fan, and it is arranged in the blast chamber at top rear portion of refrigerating chamber; An air damper is arranged on the upper end of refrigerating chamber, is communicated with described blast chamber; Air flow arrangement has around the longitudinal axis and rotatably is respectively installed to each rotary body on the front end of article rack of refrigerating chamber and refrigerating chamber; With a motor, be used to rotate described rotary body, thereby the rotation of each rotary body forces flow of cold air to arrive each article container space that each article rack limits; Temperature sensor is measured the temperature in each article container space; With a microcomputer, according to the temperature of temperature sensor measurement, the work of control air flow arrangement.
In addition, in order to reach above-mentioned purpose of the present invention, rotary body is rotatable, its shape such as same centrifugal fan, and it has the pin of a plurality of radially combinations, and described fan has flat cross section or oval substantially lateral cross section.
In addition, preferably, the control panel of microcomputer and refrigerator cooperates and is programmed, thereby the temperature in specific article container space can be kept above or be lower than the temperature of other spatial accommodations.
Description of drawings
Fig. 1 is the part sectional perspective view of the refrigerator structure of common type side by side;
Fig. 2 adopts prior art to concentrate the refrigerator of the type side by side of the air distribution circulatory system, the cutaway view of the cold air that circulates in refrigerating chamber;
Fig. 3 adopts prior art to disperse the refrigerator of the type side by side of the air distribution circulatory system, the cutaway view of the cold air that circulates in refrigerating chamber;
Fig. 4 is the refrigerator structure of the type side by side perspective illustration that adopts according to the air circulation system of the embodiment of the invention;
Fig. 5 A and 5B are the structure perspective views of the rotary body of air circulation system application of the present invention;
Fig. 6 is the simple working method figure of the air circulation system of the embodiment of the invention;
Fig. 7 A-7C is the complex work mode figure of the air circulation system of the embodiment of the invention.
The specific embodiment
The present invention is described with reference to the accompanying drawings.
According to embodiments of the invention, the air circulation system of refrigerator comprises: a blower fan, and it is arranged in the blast chamber at top rear portion of refrigerating chamber; An air damper is arranged on the top of refrigerating chamber, is communicated with described blast chamber; Air flow arrangement is in each article container space of forcing that cold air is flow into and being limited by the article rack that is installed in the refrigerating chamber; Temperature sensor, the temperature in each space that the measurement article rack limits; With a microcomputer, according to the temperature of temperature sensor measurement, the work of control air flow arrangement.
See Fig. 4, air flow arrangement comprises: each rotary body 30, and they rotatably are installed to respectively on the front end of article rack 161,162 and 163; With a motor (not shown), rotate described rotary body 30, wherein rotary body 30 is shaped as centrifugal fan, described centrifugal fan has the pin of a plurality of radially combinations, and center on the front end that the longitudinal axis rotatably is respectively installed to article rack 161-163, so that along with direction of rotation makes cold air current downflow on article rack 161-163.
At this moment, each rotary body 30 can have various structures, as has the column structure (seeing Fig. 5 A) and the simple slab structure (seeing Fig. 5 A) of non-circular cross-section substantially, by its rotation generation air stream.
In addition, each temperature sensor 32 is arranged among each article container space 16a of being separated by article rack 161-163,16b, 16c, the 16d, to measure the temperature in each space 16a-16d exactly dividually.
Below with regard to the work of refrigerating chamber explanation in the air circulation system of the embodiment of said structure.
The work of the air circulation system of this embodiment is divided into the complex work mode of rotary body 30 non-rotary simple working methods and rotary body 30 rotations.
In simple working method, when the operation of the cold air of discharging by blower fan 20 from the top of refrigerating chamber 12, when being introduced among each the article container space 16a-16d that limits by article rack 161-163 via air damper 22, as shown in Figure 6, the architectural feature of the rotary body 30 that stretches out up and down from the front end of each article rack produces eddy flow, with the cold air that distributes equably.
The simple working mode is particularly suitable for, and after the operation generation just of cold air by evaporimeter, is discharged into the stage that begins to cool down of refrigerating chamber 12.
Simultaneously, the purpose of complex work mode is: when making temperature in one of them article container space surpass reference temperature owing to the food that receives an extreme heat (though at this moment, the bulk temperature of refrigerating chamber and refrigerator does not have flip-flop to more than the reference temperature), regulate temperature in the article rack by the rotation of rotary body 30.In such a way along with such work is carried out in the rising in the temperature in each article container space.
At first, the temperature of the first article container space 16a in topmost portion exceeds reference temperature, and the temperature of article container space 16b-16d is not only lower but also when being lower than reference temperature, the rotary body 30 that is installed to first article rack 161 turns clockwise, reducing the cold air amount that flows out from the first article container space 16a, thereby be reduced in the temperature (seeing Fig. 7 A) among the first article container space 16a.
Secondly, when the temperature of the second article container space 16b exceeds reference temperature, the rotary body 30 of first article rack 161 is rotated counterclockwise, make cold air to flow downward from the first article container space 16a, the rotary body 30 of second article rack 162 turns clockwise simultaneously, flow downward from the second article rack 16b with the restriction cold air, thereby reduce by the temperature (seeing Fig. 7 B) of the second article container space 16b.
The situation of the 3rd article container space 16c is the same with the second article container space 16b, and the rotary body 30 of second article rack 162 is rotated counterclockwise, and the rotary body 30 of the 3rd article rack 163 turns clockwise to regulate temperature wherein simultaneously.
At last, when the temperature of nethermost the 4th article container space 16d surpasses reference value, the rotary body 30 of all article rack is rotated counterclockwise, make and make the temperature of the 4th article container space 16d reduce effectively by a large amount of flow of cold air to the four article rack 16d that discharge from air damper 22.
In the air circulation system of the invention described above, the microcomputer (not shown) is controlled described motor according to the temperature of the article container space 16a-16d that is measured by temperature sensor 32, makes rotary body 30 work.
Simultaneously, according to another embodiment of the invention, microcomputer has the programmable configuration that cooperates with the control panel of refrigerator, to regulate the temperature of special article spatial accommodation.
This makes the user can regulate microcomputer in this wise, according to the state or the type of the food of placing in refrigerator, makes the temperature of special article spatial accommodation be different from the temperature in other article container space, thereby realizes more effective cooling work.
Though the refrigerating chamber with this embodiment is the work that example has illustrated described air circulation system, can constitute same air circulation system to refrigerating chamber, and work is carried out equally.
As mentioned above, even the outlet of cold air focuses on top, the air circulation system of refrigerator of the present invention can be regulated flowing of the cold air that is incorporated into refrigerating chamber and refrigerating chamber, regulating the temperature in each the article container space that separates by article rack equably, thereby make and to cool off equably in refrigerating chamber and the refrigerating chamber.
Other advantage of the performance of improved refrigerator is to regulate special according to user's wish Earnest product spatial accommodation is so that it has the temperature different from other article container space.
Claims (5)
1. air circulation system that is used for refrigerator, wherein refrigerating chamber and refrigerating chamber are arranged side by side, and this air circulation system comprises:
Blower fan, it is arranged in the blast chamber at last rear portion of refrigerating chamber;
Air damper, it is positioned at the upper end of refrigerating chamber, is communicated with described blower fan;
Air flow arrangement, it comprises: rotary body, each rotary body rotatably are installed on the front end of each article rack of refrigerating chamber and refrigerating chamber around its longitudinal axis respectively; And the motor that rotates described each rotary body, thereby in the article container space that the rotation of described rotary body forces cold air to flow into to be formed between each article rack;
Temperature sensor is used to measure the temperature in each article container space; With
Microcomputer, it controls the work of described air flow arrangement according to the temperature by described temperature sensor measurement.
2. according to the air circulation system of claim 1, it is characterized in that each rotary body forms the centrifugal fan shape with a plurality of radial junction dowel pins.
3. according to the air circulation system of claim 1, it is characterized in that each rotary body forms the cylindricality with substantially elliptical cross section.
4. according to the air circulation system of claim 1, it is characterized in that each rotary body forms plate shape.
5. according to the air circulation system of claim 1, it is characterized in that the control panel of described microcomputer and refrigerator cooperates and is programmed, thereby can make the temperature in specific article container space different with the temperature in other article container spaces according to user's wish.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0026602A KR100377617B1 (en) | 2001-05-16 | 2001-05-16 | Air circulation system of Refrigerator |
| KR26602/2001 | 2001-05-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1385661A CN1385661A (en) | 2002-12-18 |
| CN1247946C true CN1247946C (en) | 2006-03-29 |
Family
ID=19709514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011403888A Expired - Fee Related CN1247946C (en) | 2001-05-16 | 2001-12-20 | Air circulation system for refrigerator |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100377617B1 (en) |
| CN (1) | CN1247946C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW528848B (en) * | 2000-08-29 | 2003-04-21 | Hitachi Ltd | Refrigerator |
| KR100859460B1 (en) * | 2002-11-28 | 2008-09-23 | 엘지전자 주식회사 | Side by side type refrigerator with function of cool air circulation |
| KR100884949B1 (en) * | 2002-11-28 | 2009-02-23 | 엘지전자 주식회사 | Side by side type refrigerator capable of transferring cool air flow |
| KR100884950B1 (en) * | 2002-12-06 | 2009-02-23 | 엘지전자 주식회사 | Side by side type refrigerator with temperature switching room |
| CN110579059B (en) * | 2019-09-12 | 2021-06-18 | 合肥华凌股份有限公司 | Refrigerator and control method and device thereof |
-
2001
- 2001-05-16 KR KR10-2001-0026602A patent/KR100377617B1/en not_active IP Right Cessation
- 2001-12-20 CN CNB011403888A patent/CN1247946C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020087683A (en) | 2002-11-23 |
| CN1385661A (en) | 2002-12-18 |
| KR100377617B1 (en) | 2003-03-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 |