CN206637926U - A kind of return airway for refrigerator - Google Patents
A kind of return airway for refrigerator Download PDFInfo
- Publication number
- CN206637926U CN206637926U CN201720331692.7U CN201720331692U CN206637926U CN 206637926 U CN206637926 U CN 206637926U CN 201720331692 U CN201720331692 U CN 201720331692U CN 206637926 U CN206637926 U CN 206637926U
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- Prior art keywords
- evaporator
- return
- air
- joint
- return air
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- 238000010257 thawing Methods 0.000 claims abstract description 5
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model discloses a kind of return airway for refrigerator, it is related to technical field of refrigeration equipment, including refrigerator main body, refrigerator main body includes at least one non-evaporator compartment and at least one evaporator compartment, evaporator is indoor located at evaporator, non- evaporator compartment is connected with evaporator compartment by return airway, return air inlet is installed on evaporator compartment side wall and connected with evaporator compartment, return air joint is fixed at return air inlet, air channel joint is installed on non-evaporator compartment side wall and connected with non-evaporator compartment, air channel both ends respectively with return air joint and air channel fittings；The utility model return air inlet air volume adjustment is consistent with the distribution of defrosting heater heat, return air is more uniform, improve the uniformity of the frosting of evaporator, avoid frosting is uneven from causing evaporator heat transfer efficiency to reduce, frosting uniformity is higher, in the absence of the serious region of local frosting, improve the whole efficiency of defrost, return air uniformity is good, increases the heat exchange amount of evaporator, improves refrigerating efficiency.
Description
Technical field
It the utility model is related to technical field of refrigeration equipment, and in particular to a kind of return airway for refrigerator.
Background technology
Refrigerator is a kind of refrigeration plant for keeping constant low temperature, be in life common one kind be used for low-temperature preservation food or
The electrical equipment of other articles.Return airway is cooled down for bringing wind in refrigerator compartment into evaporator, and the wind after cooling passes through again
Air Blast fan is circulated, the wind path circulatory system of return airway and supply air duct composition refrigerator.
Frosting distribution on evaporator of refrigerator depends directly on the distribution of return airway air quantity, and the distribution of air quantity depends on
The arrangement and structure of return airway.The design of existing return airway is not reasonable, and it is uneven to often result in the frosting of evaporator of refrigerator surface,
Flow resistance of the air in air channel is increased, the heat exchanged thermoresistance of evaporator and air is also increased, causes evaporator heat exchange to be imitated
Rate reduces and defrost energy consumption is larger.
Utility model content
(1) technical problem solved
Technical problem to be solved in the utility model there is provided a kind of return airway for refrigerator, to overcome return air
Air channel is arranged and structure design is unreasonable, causes the frosting of evaporator of refrigerator surface uneven, and evaporator heat transfer efficiency is reduced and changed
The problem of white energy consumption is larger.
(2) technical scheme
To realize object above, the utility model is achieved by the following technical programs：A kind of return air for refrigerator
Air channel, including refrigerator main body, the refrigerator main body include at least one non-evaporator compartment and at least one evaporator compartment, institute
It is indoor located at evaporator to state evaporator, the non-evaporator compartment is connected with evaporator compartment by return airway；
The return airway includes return air inlet, return air joint, air channel and air channel joint, and the return air inlet is installed on evaporator
Compartment side wall is simultaneously connected with evaporator compartment, and the return air joint is fixed at return air inlet, and the air channel joint is installed on non-steaming
Hair device compartment side wall simultaneously connected with non-evaporator compartment, the air channel both ends respectively with return air joint and air channel fittings.
Further, the return air joint is gradual change type structure, is less than with air channel junction length-width ratio and is connected with return air inlet
Locate length-width ratio.
Further, the area of section everywhere in the air channel is equal.
Further, return air flow-guiding structure is set inside the return air joint, air channel flow-guiding structure, institute are set inside the air channel
The quantity for stating return air flow-guiding structure and air channel flow-guiding structure is 2~5.
Further, the return air joint and air channel joint set return air gradient structure and air channel gradient structure respectively, are used for
Wind-guiding is lost with reducing air channel.
Further, the width of the return air inlet is less than the width of evaporator.
Further, the width of the return air inlet is the 1/2~3/4 of evaporator width.
Further, the setting height(from bottom) of the return air joint is less than evaporator lower edge height, the setting of base of evaporator
White heater.
(3) beneficial effect
The utility model provides a kind of return airway for refrigerator, has the advantages that：
1st, return air inlet air volume adjustment and the distribution of defrosting heater heat are consistent, and return air is more uniform, improves evaporator
The uniformity of frosting, avoid frosting is uneven from causing evaporator heat transfer efficiency to reduce；
2nd, frosting uniformity is higher, in the absence of the serious region of local frosting, improves the whole efficiency of defrost；
3rd, return air uniformity is good, increases the heat exchange amount of evaporator, improves refrigerating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of return airway system assembling.
Fig. 2 is return airway system sectional arrangement drawing.
Fig. 3 is return air joint design schematic diagram.
Fig. 4 is air channel joint design schematic diagram.
In figure：
1st, non-evaporator compartment；2nd, return airway, 21, return air inlet, 22, return air joint, 221, return air flow-guiding structure, 222,
Return air gradient structure, 23, air channel, 24, air channel joint, 241, air channel flow-guiding structure, 242, air channel gradient structure；3rd, between evaporator
Room；4th, evaporator；5th, defrosting heater.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that described implementation
Example is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, this area
The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to the utility model
The scope of protection.
As shown in Figure 1 to 4, its structural relation is：Including refrigerator main body, refrigerator main body includes at least one non-evaporator
Compartment 1 and at least one evaporator compartment 3, evaporator 4 is in evaporator compartment 3, non-evaporator compartment 1 and evaporator compartment
3 are connected by return airway 2；
Return airway 2 includes return air inlet 21, return air joint 22, air channel 23 and air channel joint 24, and return air inlet 21 is installed on steaming
The side wall of hair device compartment 3 is simultaneously connected with evaporator compartment 3, and return air joint 22 is fixed at return air inlet 21, and air channel joint 24 is installed on
The non-side wall of evaporator compartment 1 simultaneously connects with non-evaporator compartment 1, the both ends of air channel 23 respectively with return air joint 22 and air channel joint 24
Connection.
Preferably, return air joint 22 is gradual change type structure, is less than with the junction length-width ratio of air channel 23 and is connected with return air inlet 21
Locate length-width ratio.
Preferably, the area of section everywhere in air channel 23 is equal.
Preferably, return air flow-guiding structure 221 is set inside return air joint 22, air channel flow-guiding structure 241 is set inside air channel 23, is returned
The quantity of wind flow-guiding structure 221 and air channel flow-guiding structure 241 is 2~5.
Preferably, return air joint 22 and air channel joint 24 set return air gradient structure 222 and air channel gradient structure 242 respectively,
Lost for wind-guiding with reducing air channel.
Preferably, the width of return air inlet 21 is less than the width of evaporator 4.
Preferably, the width of return air inlet 21 is the 1/2~3/4 of the width of evaporator 4.
Preferably, for the setting height(from bottom) of return air joint 22 less than the lower edge of evaporator 4 height, the bottom of evaporator 4 sets defrost heating
Device 5.
When specifically used, return air joint 22 uses gradual change type structure, return air joint 22 and the narrow thickness of junction structure of air channel 23,
Thin width at return air inlet 21, the area of section of air channel 23 are consistent, and the inside of return air joint 22 sets return air flow-guiding structure 221, makes back
Air volume adjustment is consistent with the heat distribution of defrosting heater 5 at air port 21, and return air is more uniform, can lift whole evaporator 4
Frosting uniformity, and then improve the whole efficiency of defrost, increase the heat exchange amount of evaporator, improve refrigerating efficiency.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of various embodiments of the utility model technical scheme
Enclose.
Claims (8)
1. a kind of return airway for refrigerator, including refrigerator main body, the refrigerator main body is included between at least one non-evaporator
Room (1) and at least one evaporator compartment (3), the evaporator (4) is in evaporator compartment (3), it is characterised in that：It is described
Non- evaporator compartment (1) is connected with evaporator compartment (3) by return airway (2)；
The return airway (2) include return air inlet (21), return air joint (22), air channel (23) and air channel joint (24), described time
Air port (21) is installed on evaporator compartment (3) side wall and connected with evaporator compartment (3), and the return air joint (22) is fixed on back
Air port (21) place, the air channel joint (24) are installed on non-evaporator compartment (1) side wall and connected with non-evaporator compartment (1),
Air channel (23) both ends connect with return air joint (22) and air channel joint (24) respectively.
A kind of 2. return airway for refrigerator according to claim 1, it is characterised in that：The return air joint (22) is
Gradual change type structure, it is less than and return air inlet (21) junction length-width ratio with air channel (23) junction length-width ratio.
A kind of 3. return airway for refrigerator according to claim 1, it is characterised in that：The air channel (23) is everywhere
Area of section it is equal.
A kind of 4. return airway for refrigerator according to claim 1, it is characterised in that：In the return air joint (22)
Portion sets return air flow-guiding structure (221), and air channel flow-guiding structure (241), the return air flow-guiding structure are set inside the air channel (23)
(221) and air channel flow-guiding structure (241) quantity be 2~5.
A kind of 5. return airway for refrigerator according to claim 1, it is characterised in that：The return air joint (22) and
Air channel joint (24) sets return air gradient structure (222) and air channel gradient structure (242) respectively, is damaged for wind-guiding with reducing air channel
Lose.
A kind of 6. return airway for refrigerator according to claim 1, it is characterised in that：The width of the return air inlet (21)
Width of the degree less than evaporator (4).
A kind of 7. return airway for refrigerator according to claim 6, it is characterised in that：The width of the return air inlet (21)
Spend for the 1/2~3/4 of evaporator (4) width.
A kind of 8. return airway for refrigerator according to claim 1, it is characterised in that：The return air joint (22)
For setting height(from bottom) less than evaporator (4) lower edge height, evaporator (4) bottom sets defrosting heater (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720331692.7U CN206637926U (en) | 2017-03-31 | 2017-03-31 | A kind of return airway for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720331692.7U CN206637926U (en) | 2017-03-31 | 2017-03-31 | A kind of return airway for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206637926U true CN206637926U (en) | 2017-11-14 |
Family
ID=60262014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720331692.7U Active CN206637926U (en) | 2017-03-31 | 2017-03-31 | A kind of return airway for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206637926U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887312A (en) * | 2019-12-16 | 2020-03-17 | 珠海格力电器股份有限公司 | Joint, air outlet structure and refrigerator |
| CN112648777A (en) * | 2021-01-15 | 2021-04-13 | 长虹美菱股份有限公司 | Refrigerator return air structure |
| CN113899142A (en) * | 2020-07-06 | 2022-01-07 | 青岛海尔特种电冰柜有限公司 | Air-cooled freezer return air structure spare and air-cooled freezer that has it |
-
2017
- 2017-03-31 CN CN201720331692.7U patent/CN206637926U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887312A (en) * | 2019-12-16 | 2020-03-17 | 珠海格力电器股份有限公司 | Joint, air outlet structure and refrigerator |
| CN113899142A (en) * | 2020-07-06 | 2022-01-07 | 青岛海尔特种电冰柜有限公司 | Air-cooled freezer return air structure spare and air-cooled freezer that has it |
| CN113899142B (en) * | 2020-07-06 | 2023-08-18 | 青岛海尔特种电冰柜有限公司 | Air-cooled refrigerator return air structure and air-cooled refrigerator with same |
| CN112648777A (en) * | 2021-01-15 | 2021-04-13 | 长虹美菱股份有限公司 | Refrigerator return air structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 230601 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee after: Changhong MeiLing Limited by Share Ltd Address before: 230061 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Hefei Meiling Co., Ltd. |
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| CP03 | Change of name, title or address |