CN202547235U - Return air duct and refrigerator with same - Google Patents
Return air duct and refrigerator with same Download PDFInfo
- Publication number
- CN202547235U CN202547235U CN2012200996216U CN201220099621U CN202547235U CN 202547235 U CN202547235 U CN 202547235U CN 2012200996216 U CN2012200996216 U CN 2012200996216U CN 201220099621 U CN201220099621 U CN 201220099621U CN 202547235 U CN202547235 U CN 202547235U
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- return air
- return
- branch
- refrigerator
- air portion
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Abstract
The utility model discloses a return air duct and a refrigerator with the return air duct. The return air duct comprises at least two branch return air parts, wherein one end of each branch return air part is respectively provided with a return air inlet; and an air mixing and returning part, wherein the other end of each branch return air part is respectively communicated with the air mixing and returning part, and the air mixing and returning part comprises at least one return air outlet. According to the utility model, the air mixing and returning part is arranged in the return air duct for mixing the return air of each branch return air part in advance in order to reduce the humiture difference of the return air, in this way, the frost phenomenon of the distiller is decreased and the defrosting energy consumption is reduced.
Description
Technical field
The utility model relates to field of domestic appliances manufacture technology, specifically, relates to a kind of return airway and has the refrigerator of this return airway.
Background technology
Along with the raising of user's request and the continuous development of refrigerator manufacturing technology, many warm areas refrigerator becomes the main product on the market gradually.
At present, many warm areas refrigerator generally adopts each warm area that the return air structure of return airway is set separately, and the wind in each warm area gets into return airway separately through the return air inlet that is arranged in the warm area, blows to the evaporator of refrigerator bottom through return airway.The shortcoming and defect that adopts the return air structure of the independent return air of each warm area to exist is following: (1), a plurality of return airway extend to base of evaporator; Occupy the bigger area of base of evaporator; Therefore; The return air outlet that each return airway width reaches near the evaporimeter place all can not be too big, influences the return air effect, and then influence the air-flow circulation of whole refrigerator; (2), because the return air outlet of a plurality of return airways will be set near evaporimeter, cause outlet to be arranged and design relatively difficulty; (3) return air of different warm areas directly blows to evaporimeter, and each air-flow that the temperature difference and humidity differ greatly meets on evaporimeter, and the as easy as rolling off a log evaporimeter frosting that causes needs to use bigger energy defrost, and energy consumption is higher.
Summary of the invention
One of purpose of the utility model is to provide a kind of return airway, to solve above-mentioned shortcoming and the deficiency that air channel of the prior art exists.
For realizing above-mentioned technical purpose, the return airway that the utility model provides adopts following technical scheme to be achieved:
A kind of return airway, said return airway comprises:
At least two return air portions of branch, an end of each return air portion of branch is respectively arranged with return air inlet; And
Mix wind return air portion, the other end of each return air portion of branch is connected with mixed wind return air portion respectively, and mixed wind return air portion has at least one return air outlet.
Mix wind return air portion through being provided with, in advance the different return air of temperature and humidity in each return air portion of branch is mixed,, reduce the frosting phenomenon of evaporimeter, reduce the defrost energy consumption to reduce the humiture difference of return air at return airway; Simultaneously, each return air portion of branch is merged through mixing wind return air portion, be convenient to the setting of return airway and return air outlet, improved product development and production efficiency at base of evaporator.
Aforesaid return airway; For avoiding each road return air frosting in the air channel to influence the return air effect; Reduce simultaneously further the defrost energy consumption, said mixed wind return air portion is arranged near the evaporator of refrigerator position, and its return air outlet on evaporator of refrigerator heater and be provided with.
Aforesaid return airway, for ease of structural design and layout, said mixed wind return air portion has a return air outlet, and the return air outlet is provided with towards the medium position of said heater.
Two of the purpose of the utility model is to provide a kind of refrigerator with above-mentioned return airway structure, and this refrigerator can solve many warm areas return air defrost problem with mode safer, low-cost, low energy consumption.
For solving the problems of the technologies described above, the refrigerator that the utility model provides adopts following technical scheme to be achieved:
A kind of refrigerator includes casing, at least two material storage room, evaporimeters and is arranged on the return airway in the casing, and said return airway comprises:
At least two return air portions of branch, an end of each return air portion of branch is respectively arranged with return air inlet, corresponding one of them material storage room of each return air inlet; And
Mix wind return air portion, the other end of each return air portion of branch is connected with mixed wind return air portion respectively, and mixed wind return air portion has at least one return air outlet.
The refrigerator of the utility model mixes wind return air portion through being provided with at return airway, in advance the different return air of temperature and humidity in each return air portion of branch is mixed, and to reduce the humiture difference of return air, has reduced the frosting phenomenon of evaporimeter, has reduced the defrost energy consumption; Simultaneously, each return air portion of branch is merged through mixing wind return air portion, be convenient to the setting of return airway and return air outlet, improved product development and production efficiency at base of evaporator.
Aforesaid refrigerator; For avoiding each road return air frosting in the air channel to influence the return air effect; Further reduce the defrost energy consumption simultaneously; Said evaporimeter is provided with heater, and said mixed wind return air portion is arranged near the evaporimeter position, and its return air outlet on evaporimeter heater and be provided with.
Aforesaid refrigerator, for ease of structural design and layout, said mixed wind return air portion has a return air outlet, and the return air outlet is provided with towards the medium position of said heater.
Aforesaid refrigerator for the generation that further reduces the frosting phenomenon, reduce the defrost energy consumption simultaneously, is provided with the baffle plate that the return air of said return air outlet is guided to said heater between said mixed wind return air portion and said evaporimeter.
Aforesaid refrigerator; When said refrigerator includes three material storage room; Said return airway includes two return air portions of branch, and an end of each return air portion of branch is respectively arranged with return air inlet, each return air inlet corresponding respectively one of them material storage room of refrigerator.
Aforesaid refrigerator; It is characterized in that said refrigerator includes four material storage room, said return airway includes three return air portions of branch; One end of each return air portion of branch is respectively arranged with return air inlet, each return air inlet corresponding respectively one of them material storage room of refrigerator.
Compared with prior art; The advantage and the good effect of the utility model are: the utility model is through being provided with the wind return air portion of mixing at return airway; In advance the different return air of temperature and humidity in each return air portion of branch is mixed; Reducing the humiture difference of return air, thereby reduce the frosting phenomenon of evaporimeter, reduced the defrost energy consumption; Simultaneously, each return air portion of branch is merged through mixing wind return air portion, be convenient to the setting of return airway and return air outlet, improved product development and production efficiency at base of evaporator.
After the specific embodiment in conjunction with advantages the utility model, other characteristics of the utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the part-structure sketch map that the utlity model has an embodiment of refrigerator of return airway;
Fig. 2 is that the partial structurtes among Fig. 1 are analysed and observe enlarged diagram;
Fig. 3 is the structural representation of another embodiment of the utility model return airway.
Among above-mentioned each figure, Reference numeral and corresponding components title thereof are following:
1, casing; 2, return airway; 21, mix wind return air portion; 22, return air outlet; 23, the first return air portion of branch; 24, first return air inlet; 25, the second return air portion of branch; 26, first return air inlet; 27, the 3rd return air portion of branch; 28, the 3rd return air inlet; 3, refrigerating chamber; 4, wide warm area temperature-changing chamber; 5, refrigerating chamber; 6, evaporimeter; 7, heating tube; 8, baffle plate.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the utility model is carried out detailed description.
Please refer to an embodiment of the refrigerator that the utlity model has return airway illustrated in figures 1 and 2, wherein, Fig. 1 is the part-structure sketch map of this embodiment, and Fig. 2 is that the partial structurtes of this embodiment are analysed and observe enlarged diagram.
As shown in Figure 1, the refrigerator of this embodiment comprises casing 1, in the inner space that casing surrounded, is provided with three material storage room, is followed successively by refrigerating chamber 3, wide temperature alternating temperature district 4 and refrigerating chamber 5 from top to bottom.The rear, bottom of refrigerating chamber 5 is an evaporator room, in evaporator room, is provided with evaporimeter 6, is provided with heating tube 7 in the bottom of evaporimeter 6.
In the casing 1 of rear side, be provided with return airway, this return airway is as the passage of air current flow in the refrigerator material storage room, is used for air with each material storage room and blows to evaporimeter 6 and carry out heat exchange.For ease of the structure of clear expression return airway, among Fig. 1 return airway moved on to the front side of evaporimeter 6 and heating tube 7, and during practical application, see backward that from refrigerator door return airway is positioned at the rear side of evaporimeter 6 and heating tube 7.The concrete structure of return airway is following:
Include two return air portions of branch, be respectively the first return air portion of branch 23 and the second return air portion of branch 25, and a mixed wind return air portion 21 that is arranged near evaporimeter 6 positions.Wherein, The upper end of the first return air portion of branch 23 is provided with first return air inlet 24; This return air inlet 24 corresponding from evaporimeter 6 refrigerating chamber 3 farthest, and be positioned at the opening of offering refrigerating chamber 3 bottoms and be connected, and then the return air portion 23 of branch that wins is connected with refrigerating chamber 3; And the lower end of the first return air portion of branch 23 is connected with mixed wind return air portion 21.The upper end of the second return air portion of branch 25 is provided with second return air inlet 26; This return air inlet 26 corresponding from evaporimeter 6 wide warm area temperature-changing chamber 4 far away slightly; Be positioned at the opening of offering these wide warm area temperature-changing chamber 4 bottoms and be connected, and then the second return air portion of branch 25 that makes is connected with wide warm area temperature-changing chamber 4; And the lower end of the second return air portion of branch 25 is connected with mixed wind return air portion 21.The bottom of mixing wind return air portion 21 offers a return air outlet 22, and return air outlet 22 is provided with towards the medium position of heating tube 7.
When the refrigerator with return airway of said structure carried out return air, the air-flow in the refrigerating chamber 3 got into the first return air portion of branch 23 through first branch's return air inlet 24, gets into the wind return air portion 21 of mixing then; And the air-flow in the wide warm area temperature-changing chamber 4 gets into the second return air portion of branch 25 through second branch's return air inlet 26, gets into the wind return air portion 21 of mixing then.Like this; Two strands of air-flows that the temperature and humidity of coming out from refrigerating chamber 3 and wide warm area temperature-changing chamber 4 differs greatly are pre-mixed mixed wind return air portion 21; Just blow out to evaporator room after forming one less air-flow of humiture difference from return air outlet 22; Thereby effectively reduced the frosting phenomenon of evaporimeter 6, also reduced the used energy consumption of evaporimeter defrost simultaneously.On the other hand, the first return air portion of branch 23 and the second return air portion of branch 25 are merged, a return air portion and a return air outlet are only arranged near evaporimeter 6, be convenient to the setting and the assembling of structure, improved product development and production efficiency through mixing wind return air portion 21.
Simultaneously; Be provided with mixing the position of wind return air portion 21 near evaporimeter 6, the heating tube 7 of return air outlet 22 on evaporimeter of offering in its mixed wind return air portion 21 utilizes the radiations heat energy of heating tube 7; Can effectively prevent the frosting and influence the problem of return air effect in mixing wind return air portion 21 of return air in each return air portion of branch; Simultaneously, from direct and heating tube 7 close contacts of return air that return airway blows out, can in time heat return air; Reduce the frosting probability of return air on evaporimeter 6, also can further reduce the defrost energy consumption.
Only offered a return air outlet 22 in the mixed wind return air portion 21 of this embodiment; Therefore; The outlet 22 of this return air is provided with towards the medium position of heating tube 7; Make the return air that blows out from return air outlet 22 be distributed to equably on the heating tube 7, prevent frosting and defrost with the radiations heat energy that makes full use of heating tube 7.Also can be according to actual needs in mixed wind return air portion 21, offer a plurality of return air outlets,, can consider the evenly distributed setting of moving towards of these a plurality of return air outlets along heating tube 7 if a plurality of return air outlets are set.
Analyse and observe shown in the enlarged diagram like the partial structurtes of Fig. 2; In this embodiment; Mix between wind return air portion 21 and the evaporimeter 6 and be provided with baffle plate 8, utilize baffle plate 8 that return air is exported 22 return air that blow out and be guided to heating tube 7, avoid it directly to blow to evaporimeter 6 and cause frosting; Reduce the generation of frosting phenomenon, also can reduce the defrost energy consumption simultaneously.
The refrigerator of this embodiment has refrigerating chamber 3, wide warm area temperature-changing chamber 4 and refrigerating chamber 5 totally three material storage room; Return air away from the refrigerating chamber 3 of evaporimeter 6 and wide warm area temperature-changing chamber 4 is caused to mix through return air portion of branch be pre-mixed in the wind return air portion 21 and mix wind return air portion 21, and do not consider the return air of refrigerating chamber 5.For the return air of refrigerating chamber 5,, can adopt existing return airway to carry out return air and get final product because refrigerating chamber 5 is nearer apart from the evaporator room at evaporimeter 6 places.Certainly, if desired, do not get rid of the possibility that yet return air of refrigerating chamber 5 is caused premix in the mixed wind return air portion 21.
Fig. 3 shows the structural representation of another embodiment of the utility model return airway.The return airway 2 of this embodiment is on the basis of the return airway of Fig. 1 and Fig. 2 embodiment, to have increased a return air portion of branch, and is specific as follows:
Return airway 2 includes three return air portions of branch, is respectively the first return air portion of branch 23, the second return air portion of branch 25 and the 3rd return air portion of branch 27, also includes a mixed wind return air portion 21, offers a return air outlet 22 in the bottom of mixing wind return air portion 21.Wherein, The upper end of the first return air portion of branch 23 is provided with first return air inlet 24; The upper end of the second return air portion of branch 25 is provided with second return air inlet 26; The upper end of the 3rd return air portion of branch 27 is provided with the 3rd return air inlet 28, and the lower end of these three return air portions of branch is connected with mixed wind return air portion 21 respectively.
The return airway of this embodiment can be applied in the refrigerator with four material storage room; For example; Have the refrigerating chamber that sets gradually, the temperature-changing chamber of preserving moisture, ultralow temperature temperature-changing chamber and refrigerating chamber from top to bottom in the refrigerator of totally four material storage room, and in this refrigerator, evaporimeter is positioned at the rear side of refrigerating chamber.When in such refrigerator, using the return airway of this embodiment, first return air inlet 24 corresponding the temperature-changing chamber of preserving moisture, with the temperature-changing chamber of preserving moisture in the opening offered be connected, the return air portion of branch 23 that wins is connected with the temperature-changing chamber of preserving moisture; Second return air inlet 26 corresponding the ultralow temperature temperature-changing chamber, with the ultralow temperature temperature-changing chamber in the opening offered be connected, the second return air portion of branch 25 that makes is connected with the ultralow temperature temperature-changing chamber; And the 3rd return air inlet 28 corresponding refrigerating chamber, with refrigerating chamber in the opening offered be connected, the 3rd return air portion 27 of branch that makes is connected with refrigerating chamber.
Similar with Fig. 1 and Fig. 2 embodiment, when being applied in the refrigerator, the mixed wind return air portion 21 of this embodiment also is arranged near the evaporator of refrigerator position, and it makes its return air outlet 22 be provided with towards the heater of evaporimeter.The heater here is not limited to the heating tube of Fig. 1 and Fig. 2 embodiment, also can be various forms of heaters such as heating plate, heater strip.
The described return airway of the utility model still is not limited to above-mentioned described have two or three return air portions of branch, can also further expand according to number of chambers amount between refrigerator and warm area quantity.
Above embodiment only in order to the technical scheme of explanation the utility model, but not limits it; Although the utility model has been carried out detailed explanation with reference to previous embodiment, for the person of ordinary skill of the art, still can make amendment to the technical scheme that previous embodiment is put down in writing, perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of relevant art scheme break away from the spirit and the scope of the utility model technical scheme required for protection.
Claims (9)
1. a return airway is characterized in that, said return airway comprises:
At least two return air portions of branch, an end of each return air portion of branch is respectively arranged with return air inlet; And
Mix wind return air portion, the other end of each return air portion of branch is connected with mixed wind return air portion respectively, and mixed wind return air portion has at least one return air outlet.
2. return airway according to claim 1 is characterized in that, said mixed wind return air portion is arranged near the evaporator of refrigerator position, and its return air outlet on evaporator of refrigerator heater and be provided with.
3. return airway according to claim 1 is characterized in that, said mixed wind return air portion has a return air outlet, and the return air outlet is provided with towards the medium position of said heater.
4. a refrigerator includes casing, at least two material storage room, evaporimeters and is arranged on the return airway in the casing, it is characterized in that said return airway comprises:
At least two return air portions of branch, an end of each return air portion of branch is respectively arranged with return air inlet, corresponding one of them material storage room of each return air inlet; And
Mix wind return air portion, the other end of each return air portion of branch is connected with mixed wind return air portion respectively, and mixed wind return air portion has at least one return air outlet.
5. refrigerator according to claim 4 is characterized in that said evaporimeter is provided with heater, and said mixed wind return air portion is arranged near the evaporimeter position, and its return air outlet on evaporimeter heater and be provided with.
6. refrigerator according to claim 5 is characterized in that, said mixed wind return air portion has a return air outlet, and the return air outlet is provided with towards the medium position of said heater.
7. according to claim 5 or 6 described refrigerators, it is characterized in that, between said mixed wind return air portion and said evaporimeter, be provided with the baffle plate that the return air of said return air outlet is guided to said heater.
8. according to each described refrigerator in the claim 4 to 6; It is characterized in that; Said refrigerator includes three material storage room; Said return airway includes two return air portions of branch, and an end of each return air portion of branch is respectively arranged with return air inlet, each return air inlet corresponding respectively one of them material storage room of refrigerator.
9. according to each described refrigerator in the claim 4 to 6; It is characterized in that; Said refrigerator includes four material storage room; Said return airway includes three return air portions of branch, and an end of each return air portion of branch is respectively arranged with return air inlet, each return air inlet corresponding respectively one of them material storage room of refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200996216U CN202547235U (en) | 2012-03-16 | 2012-03-16 | Return air duct and refrigerator with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200996216U CN202547235U (en) | 2012-03-16 | 2012-03-16 | Return air duct and refrigerator with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202547235U true CN202547235U (en) | 2012-11-21 |
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ID=47167855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200996216U Expired - Lifetime CN202547235U (en) | 2012-03-16 | 2012-03-16 | Return air duct and refrigerator with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202547235U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697269A (en) * | 2013-12-10 | 2015-06-10 | 苏州三星电子有限公司 | Refrigerator |
| CN105698465A (en) * | 2016-03-31 | 2016-06-22 | 合肥海尔电冰箱有限公司 | Refrigerating and freezing device |
| CN105783374A (en) * | 2016-03-31 | 2016-07-20 | 青岛海尔电冰箱有限公司 | Refrigerating and freezing device |
| CN105865121A (en) * | 2016-03-31 | 2016-08-17 | 青岛海尔特种电冰箱有限公司 | Refrigeration and freezing device |
| CN112097445A (en) * | 2020-09-15 | 2020-12-18 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator |
| CN114076450A (en) * | 2020-08-18 | 2022-02-22 | 青岛海尔电冰箱有限公司 | Air-cooled refrigerator |
-
2012
- 2012-03-16 CN CN2012200996216U patent/CN202547235U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697269A (en) * | 2013-12-10 | 2015-06-10 | 苏州三星电子有限公司 | Refrigerator |
| CN104697269B (en) * | 2013-12-10 | 2017-07-11 | 苏州三星电子有限公司 | A kind of refrigerator |
| CN105698465A (en) * | 2016-03-31 | 2016-06-22 | 合肥海尔电冰箱有限公司 | Refrigerating and freezing device |
| CN105783374A (en) * | 2016-03-31 | 2016-07-20 | 青岛海尔电冰箱有限公司 | Refrigerating and freezing device |
| CN105865121A (en) * | 2016-03-31 | 2016-08-17 | 青岛海尔特种电冰箱有限公司 | Refrigeration and freezing device |
| CN105698465B (en) * | 2016-03-31 | 2018-05-29 | 合肥海尔电冰箱有限公司 | Refrigerating device |
| CN105865121B (en) * | 2016-03-31 | 2018-07-13 | 青岛海尔特种电冰箱有限公司 | Refrigerating device |
| CN105783374B (en) * | 2016-03-31 | 2018-12-14 | 青岛海尔电冰箱有限公司 | Refrigerating device |
| CN114076450A (en) * | 2020-08-18 | 2022-02-22 | 青岛海尔电冰箱有限公司 | Air-cooled refrigerator |
| CN114076450B (en) * | 2020-08-18 | 2023-03-17 | 青岛海尔电冰箱有限公司 | Air-cooled refrigerator |
| CN112097445A (en) * | 2020-09-15 | 2020-12-18 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |