CN212109137U - Air duct assembly and refrigerator comprising same - Google Patents
Air duct assembly and refrigerator comprising same Download PDFInfo
- Publication number
- CN212109137U CN212109137U CN202020225017.8U CN202020225017U CN212109137U CN 212109137 U CN212109137 U CN 212109137U CN 202020225017 U CN202020225017 U CN 202020225017U CN 212109137 U CN212109137 U CN 212109137U
- Authority
- CN
- China
- Prior art keywords
- return air
- air duct
- duct
- evaporator
- return
- 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.)
- Active
Links
Images
Abstract
The utility model provides a wind channel subassembly reaches refrigerator including this wind channel subassembly. According to an embodiment of the utility model, the air duct assembly comprises a box container, an air supply duct, a return air duct and a return air mixing part, wherein the air supply duct is connected to the box container and supplies air to the box container; one end of the return air duct is connected to the box container and receives return air from the box container, and the other end of the return air duct is connected to the return air mixing portion, so that the return air from the return air duct is mixed in the return air mixing portion and then discharged out of the duct assembly. The utility model discloses can reduce the part quantity of wind channel subassembly, reduce the installation degree of difficulty, shorten the installation time to improve heat exchange efficiency.
Description
Technical Field
The utility model relates to a technical field that refrigeration plant made, more specifically say, relate to an air duct assembly and including refrigerator of this air duct assembly.
Background
In general, a refrigerator is an apparatus for maintaining a low temperature, which maintains food or other articles in a low temperature state for the purpose of preventing spoilage, etc. Refrigerators include many different kinds, and a three-door refrigerator is one of the common refrigerators. The three-door refrigerator is provided with three storage chambers, namely a refrigerating chamber, a temperature changing chamber, a freezing chamber and the like, and can meet various requirements of users.
With current three-door refrigerators, the freezer compartment, the warming compartment, and/or the cold storage compartment are typically connected together using a duct assembly, and return air from each storage compartment is directed to an evaporator for heat exchange to form a flow loop. Such duct assemblies are typically made from multiple sections that are joined together at locations that require sealing, thereby consuming more tape for sealing. In addition, the refrigerating chamber return air duct and the variable-temperature chamber return air duct are usually directly connected to one end or two ends of the evaporator, heat exchange between the return air and the evaporator is uneven, heat exchange efficiency is low, the phenomenon of uneven frosting is easy to occur, and a heater is required to be frequently started to heat and defrost the evaporator in order to overcome the frosting.
In view of the above problems, various improvements have been proposed to an air duct assembly of a refrigerator. For example, chinese patent application CN105783374A proposes mixing the fresh room return air and the temperature change room return air in a return air mixing channel before being directed to the evaporator. However, such a solution still presents the problem of condensation or frost formation when the temperature difference between the fresh room return air and the variable temperature room return air is large.
Background information disclosed in this background section is only for enhancement of understanding of the general background of the invention and is not to be taken as an admission or default that such information constitutes prior art known to those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, the technical problem to be solved by the present invention includes one or more of the following problems: how to improve the assembly efficiency and the heat exchange efficiency of the refrigerator air duct assembly.
Therefore, the utility model provides an air duct component, which comprises a box liner, an air supply duct, a return air duct and a return air mixing part, wherein the air supply duct is connected to the box liner and supplies air to the box liner; one end of the return air duct is connected to the box container and receives return air from the box container, and the other end of the return air duct is connected to the return air mixing portion, so that the return air from the return air duct is mixed in the return air mixing portion and then discharged out of the duct assembly.
Preferably, the wind channel subassembly still includes evaporimeter bracket component, the evaporimeter bracket component includes evaporimeter backplate and heat insulating part, the evaporimeter backplate constitutes the part of the wall of return air mixing portion, heat insulating part sets up the inner space of return air mixing portion with between the evaporimeter backplate.
Preferably, the tank container forms another part of the wall of the return air mixing portion, and the return air mixing portion is surrounded by the evaporator back plate and the tank container.
Preferably, the air duct assembly further includes a heat insulating member disposed between the inner space of the return air mixing portion and the evaporator back plate.
Preferably, the box container comprises a first box container part and a second box container part, and the return air duct comprises a first return air duct connected to the first box container part and a second return air duct connected to the second box container part.
Preferably, a heat insulation component is arranged at the joint of the first return air duct and the second return air duct.
Preferably, a heater is arranged at the joint of the first return air duct and the second return air duct.
Preferably, the return air mixing portion has a shape that is narrow at the top and wide at the bottom in the left-right direction, and has a shape that is wide at the top and narrow at the bottom in the front-rear direction, so that the cross-sectional area of the return air mixing portion in the up-down direction is uniform.
Preferably, the first return air duct and the second return air duct are of an integrated structure.
Preferably, the first return air duct and the second return air duct are of a split structure, and the first return air duct and the second return air duct are connected through a joint.
Furthermore, the utility model provides a refrigerator, refrigerator includes aforementioned wind channel subassembly, refrigerator still includes the evaporimeter, the export of return air mixed portion is located the bottom of evaporimeter, and utilize the whole width of evaporimeter carries out the return air.
According to the utility model discloses, beneficial effect that can realize includes one or more in following: the number of parts of the air duct assembly is reduced, the installation difficulty is reduced, the installation time is shortened, and the heat exchange efficiency is improved.
Drawings
FIG. 1 is a schematic view of a duct assembly according to the related art.
Fig. 2 is a schematic view of an air duct assembly according to an embodiment of the present invention.
Fig. 3 is a schematic perspective view of an air duct assembly according to an embodiment of the present invention, in which an air supply duct is specifically shown.
Fig. 4 is another perspective view of the air duct assembly according to an embodiment of the present invention, in which the return air duct of an integrated structure is specifically shown.
Fig. 5 is a schematic view of a refrigerator according to an embodiment of the present invention, in which an evaporator bracket assembly and a portion cooperating with an air duct assembly are specifically illustrated.
Fig. 6 is another schematic view of a duct assembly according to an embodiment of the present invention, particularly illustrating the flow of return air.
For the sake of clarity of description, parts not germane to the technical essence of the present invention are omitted; and in the description and drawings, the same or similar elements are denoted by the same reference numerals. It is to be understood that the appended drawings are simplified to illustrate the basic principles and various features of the invention, and are not intended to limit the scope of the invention.
Description of reference numerals:
10 an air duct assembly;
11, a box liner;
12 air supply duct;
13 a first return air duct;
14 a second return air duct;
15 an evaporator bracket assembly;
16 return air mixing section.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. While the invention has been described in conjunction with exemplary embodiments, it will be understood that the description is not intended to limit the invention to these exemplary embodiments. On the contrary, the invention is intended to cover not only these exemplary embodiments, but also various alternatives, modifications, and equivalents, which may be included within the spirit and scope of the invention as defined by the appended claims.
To illustrate the basic principles of the present invention, the present invention is described in the drawings and the following description with reference to an air duct assembly suitable for a three-door refrigerator. It will be understood by those skilled in the art that the present invention can also be used in connection with air duct assemblies that are separately manufactured, sold and used, as well as in other applications, including but not limited to various refrigerators, freezers, bars, freezers, and the like.
Hereinafter, for convenience of description, a refrigerating compartment is denoted by PC, a warming compartment is denoted by SC, and a freezing compartment is denoted by FC.
Moreover, for ease of description, words such as front, back, left, right, up, down, etc., are used herein to denote direction and/or position. It is to be clearly understood that these terms have the most general meaning in the art. "front" is a direction in which the front of the refrigerator faces when the user views the refrigerator from the front thereof in a case where the refrigerator is normally placed; "rear" is the direction that now faces the interior of the refrigerator, opposite to "front"; "left" and "right" are left and right directions of the user when the user views the refrigerator from the front of the refrigerator; "up" is the direction from low to high for a user or refrigerator, and "down" is the direction from high to low for a user or refrigerator, as opposed to "up".
Fig. 1 is a schematic view of an air duct assembly and a refrigerator according to the related art.
As shown in fig. 1, return air from PC and SC is guided to below the evaporator by a PC return air duct and an SC return air duct, respectively, and then the return air exchanges heat with the evaporator to form a flow circuit. Such an air duct assembly generally has a large number of sections, resulting in low assembly efficiency, uneven heat exchange, low heat exchange efficiency, and uneven frosting.
Fig. 2 is a schematic view of an air duct assembly according to an embodiment of the present invention. Fig. 3 is a schematic perspective view of an air duct assembly according to an embodiment of the present invention, in which an air supply duct is specifically shown. Fig. 4 is another perspective view of the air duct assembly according to an embodiment of the present invention, in which the return air duct of an integrated structure is specifically shown.
As shown in fig. 2 to 4, according to the embodiment of the present invention, the air duct assembly 10 includes a tank 11, an air supply duct 12, a return air duct, and a return air mixing portion 16.
Taking a three-door refrigerator as an example, the cabinet container 11 of the air duct assembly 10 includes a first cabinet container portion, a second cabinet container portion, and a third cabinet container portion, i.e., a PC cabinet container portion, an SC cabinet container portion, and an FC cabinet container portion. Accordingly, the return air duct includes a first return air duct 13 connected to the first tank portion and a second return air duct 14 connected to the second tank portion. In other words, the first return air duct 13 is a PC return air duct, and the second return air duct 14 is an SC return air duct.
It should be understood by those skilled in the art that the case of three inner containers is only an example, and the present invention also includes the case of forming a plurality of inner containers by separating them with partition plates after foaming the inner container, and this case is also within the scope of the present invention.
The air supply duct 12 is connected to the tank container, and supplies air to the tank container.
In the embodiment of the present invention, one end of the first return air duct 13 and one end of the second return air duct 14 are connected to one tank container portion, respectively, and receive return air from one tank container portion. Specifically, one end of the PC return air duct is connected to the PC box container part and receives return air from the PC box container part; one end of the SC return air duct is connected to the SC box container part and receives return air from the SC box container part.
The other end of the first return air duct 13 and the other end of the second return air duct 14 are connected together and to a return air mixing portion 16 so that the return air from the first return air duct 13 meets and mixes with the return air from the second return air duct 14 and is then discharged out of the duct assembly 10.
Through the utility model discloses an embodiment forms the region that converges of PC return air and SC return air in the junction in PC return air wind channel and SC return air wind channel and return air mixing portion 16 to make PC return air and SC return air mix the precooling earlier and carry out the heat exchange with the evaporimeter again, thereby can improve the heat exchange efficiency of return air and evaporimeter.
According to an embodiment of the present invention, the air duct assembly 10 further includes an evaporator bracket assembly 15, see fig. 5 and 6. The evaporator bracket assembly 15 includes an evaporator back panel that constitutes a part of the wall of the return air mix portion 16, and a heat insulating member that is provided between the internal space of the return air mix portion 16 and the evaporator back panel. Therefore, the evaporator back plate forms a part of the wall of the return air mixing part 16, so that the overall assembly efficiency of the refrigerator can be effectively improved; and after the refrigerator is assembled, the heat exchange between the evaporator and the return air mixing part 16 can be isolated through the heat insulation part, so that the heat exchange efficiency of the refrigerator is improved.
In addition, the tank 11 may form another part of the wall of the return air mixing portion 16, so that the return air mixing portion 16 is surrounded by the evaporator back panel and the tank 11. For example, referring to the example shown in fig. 6, the return air mixing portion 16 is surrounded by the FC tank and the evaporator back plate.
According to another embodiment of the present invention, the air duct assembly 10 further includes a heat insulating member disposed between the inner space of the return air mixing portion 16 and the evaporator back plate. That is, the evaporator back panel does not directly constitute a part of the wall of the return air mix portion 16, and the heat insulating member is provided between the internal space of the return air mix portion 16 and the evaporator back panel. Therefore, after the refrigerator is assembled, the heat exchange between the evaporator and the return air mixing part 16 can be isolated by the heat insulation part, and the heat exchange efficiency of the refrigerator is improved.
According to the utility model discloses an embodiment is provided with thermal-insulated component in the junction of first return air wind channel 13 and second return air wind channel 14. For example, the heat insulating member may be a foam heat insulating material, and is wrapped outside the joint of the first return air duct 13 and the second return air duct 14. It should be understood by those skilled in the art that other materials capable of providing thermal insulation may be used for the thermal insulation member depending on the application. Through setting up heat insulating part, can completely cut off the heat transfer between return air wind channel and the outside to prevent the dewfall or the frosting that produces when PC return air and SC return air difference in temperature are great.
In addition, according to another embodiment of the present invention, a heater is disposed at the junction of the first return air duct 13 and the second return air duct 14. For example, the heater may be an electromagnetic heater, a resistance heater, an infrared heater, or other heaters capable of heating according to the practical application. By arranging the heater, the condensation or frost formation generated when the temperature difference between the PC return air and the SC return air is large can be prevented or eliminated.
According to the utility model discloses an embodiment, return air mixing portion 16 presents under the narrow shape of width in the left and right directions to present under the wide shape of width in the front and back direction, thereby make return air mixing portion 16 keep unanimous at the ascending cross-sectional area of up-down. Through such shape, can guarantee to be in the return air area of each cross section of return air mixing portion 16 unanimous basically to guarantee the homogeneity of return air, improve heat exchange efficiency.
Furthermore, according to embodiments of the present invention, the air duct assembly 10 is of an integrated structure, for example, the first return air duct 13 and the second return air duct 14 are of an integrated structure, for example, the PC return air duct and the SC return air duct are of an integrated structure. Alternatively, the air supply duct 12 is integrally formed with each of the tank containers, and is joined to the tank container at a joint thereof by a joint. Thus, the integrated structure can reduce the number of components of the air duct assembly 10, reduce the installation difficulty, shorten the installation time and ensure the sealing effect.
Furthermore, according to practical application, according to the utility model discloses air duct assembly 10 also can be the components of a whole that can function independently structure, for example, first return air duct 13 and second return air duct 14 are split type structure, and PC return air duct and SC return air duct are split type for example, utilize the joint to join between the two.
Fig. 5 is a schematic view of a refrigerator according to an embodiment of the present invention, in which the evaporator bracket assembly 15 and a portion cooperating with the air duct assembly are specifically shown. Fig. 6 is another schematic view of a duct assembly according to an embodiment of the present invention, particularly illustrating the flow of return air.
As shown in fig. 5 and 6, according to an embodiment of the present invention, there is provided a refrigerator including the air duct assembly 10 described above. In addition, the refrigerator includes an evaporator, and the outlet of the return air mixing portion 16 of the duct assembly 10 is located at the bottom of the evaporator, and the return air is supplied using the entire width of the evaporator.
Like this, PC return air and SC return air converge earlier then down to whole evaporimeter bottom, make full use of evaporimeter fin realizes the heat exchange of full area in the evaporimeter to heat exchange efficiency has been improved.
An exemplary assembly and operation of the air duct assembly 10 and the refrigerator according to the embodiment of the present invention will be described.
Firstly, three box container parts of PC, SC and FC are assembled, and then an air supply duct and an air return duct are adhered to the corresponding interface positions of the box container parts through double-faced adhesive tape foam tapes. In the working process of the refrigerator, air enters the SC container part and the PC container part from the air supply duct, respectively flows into the SC return air duct and the PC return air duct from the SC return air inlet and the PC return air inlet after indoor circulation, then enters a cavity formed between the evaporator bracket assembly 15 and the FC container part in the FC, passes through the bottom of the evaporator, and is sent to the SC and the PC again after heat exchange.
According to the utility model discloses wind channel subassembly and refrigerator can reduce the part quantity of wind channel subassembly, lowers the installation degree of difficulty, shortens installation time to improve heat exchange efficiency.
In addition, according to the present invention, the return air mixing portion 16 may be provided as a separate component. For example, the air duct assembly comprises a box container, an air supply duct and a return air duct, and the return air mixing part is used as a separate component to be matched with the air duct assembly or the corresponding component thereof in the manufacturing or assembling process, so that the flexibility and adaptability of the manufacturing and assembling of the refrigerator are enhanced. Such a technical solution is also within the coverage of the present invention.
It will be appreciated by those skilled in the art that the scope of the present invention is not limited to the specific devices or equipment listed. No matter what outward appearance, principle, usage that wind channel subassembly and including the refrigerator of this wind channel subassembly have, as long as include according to the utility model discloses the wind channel subassembly and the refrigerator of theory are all within the utility model discloses a coverage.
It will be further understood by those skilled in the art that terms used in the description relating to the embodiments of the present invention that "upper", "lower", "inner", "outer", "front", "rear", and the like indicate positional or orientational relationships with respect to actual use of the duct assembly and/or refrigerator, and that such terms are used merely for convenience in describing and understanding the exemplary embodiments of the present invention, and do not require that the components being described must have particular orientations or positions, and therefore, should not be construed as limiting the present invention.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. The foregoing description is not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations will be apparent to practitioners skilled in the art in light of the above description. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention, as well as various alternatives and modifications thereof. Rather, the scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An air duct component is characterized in that the air duct component comprises a box liner, an air supply duct, a return air duct and a return air mixing part,
the air supply duct is connected to the tank container and supplies air to the tank container;
one end of the return air duct is connected to the tank container and receives return air from the tank container,
the other end of the return air duct is connected to the return air mixing portion, so that the return air from the return air duct is mixed in the return air mixing portion and then discharged outside the duct assembly.
2. The air duct assembly of claim 1, further comprising an evaporator bracket assembly including an evaporator back plate forming a portion of the wall of the return air mix and a thermal insulation disposed between the interior space of the return air mix and the evaporator back plate.
3. The air duct assembly of claim 2, wherein the cabinet forms another portion of the wall of the return air mix, the return air mix being enclosed by the evaporator back plate and the cabinet.
4. The air duct assembly of claim 1, further comprising a thermal insulation member disposed between the interior space of the return air mixing portion and the evaporator back plate.
5. The air duct assembly of claim 1, wherein the cabinet bladder includes a first cabinet bladder portion and a second cabinet bladder portion, and the return air duct includes a first return air duct connected to the first cabinet bladder portion and a second return air duct connected to the second cabinet bladder portion.
6. The air duct assembly of claim 5, wherein a thermal insulation or heater is provided at the junction of the first return air duct and the second return air duct.
7. The air duct assembly according to claim 1, wherein the return air mixing portion is shaped to be narrow at the top and wide at the bottom in the left-right direction, and shaped to be wide at the top and narrow at the bottom in the front-rear direction, so that the cross-sectional area of the return air mixing portion in the up-down direction is kept uniform.
8. The air duct assembly of claim 5, wherein the first return air duct and the second return air duct are a unitary structure.
9. The air duct assembly of claim 5, wherein the first return air duct and the second return air duct are of a split construction and are joined by a joint.
10. A refrigerator comprising the air duct assembly according to any one of claims 1 to 9, further comprising an evaporator, wherein the outlet of the return air mixing portion is located at the bottom of the evaporator, and wherein return air is supplied using the entire width of the evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020225017.8U CN212109137U (en) | 2020-02-28 | 2020-02-28 | Air duct assembly and refrigerator comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020225017.8U CN212109137U (en) | 2020-02-28 | 2020-02-28 | Air duct assembly and refrigerator comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212109137U true CN212109137U (en) | 2020-12-08 |
Family
ID=73633457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020225017.8U Active CN212109137U (en) | 2020-02-28 | 2020-02-28 | Air duct assembly and refrigerator comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212109137U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899160A (en) * | 2021-11-03 | 2022-01-07 | 青岛海尔电冰箱有限公司 | Control method of refrigeration equipment |
| CN114001514A (en) * | 2021-11-03 | 2022-02-01 | 重庆海尔制冷电器有限公司 | Refrigeration device |
| CN114001513A (en) * | 2021-11-03 | 2022-02-01 | 重庆海尔制冷电器有限公司 | Refrigeration device |
-
2020
- 2020-02-28 CN CN202020225017.8U patent/CN212109137U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899160A (en) * | 2021-11-03 | 2022-01-07 | 青岛海尔电冰箱有限公司 | Control method of refrigeration equipment |
| CN114001514A (en) * | 2021-11-03 | 2022-02-01 | 重庆海尔制冷电器有限公司 | Refrigeration device |
| CN114001513A (en) * | 2021-11-03 | 2022-02-01 | 重庆海尔制冷电器有限公司 | Refrigeration device |
| WO2023078146A1 (en) * | 2021-11-03 | 2023-05-11 | 重庆海尔制冷电器有限公司 | Refrigeration equipment |
| WO2023078147A1 (en) * | 2021-11-03 | 2023-05-11 | 重庆海尔制冷电器有限公司 | Refrigeration apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212109137U (en) | Air duct assembly and refrigerator comprising same | |
| US10900704B2 (en) | Refrigerator having an ice-making system with an ice-making chamber disposed inside a refrigerating compartment | |
| US10859304B2 (en) | Refrigerator | |
| CN209840496U (en) | Refrigerator with novel air duct structure | |
| US10837693B2 (en) | Refrigerator | |
| US10001316B2 (en) | Freezer air tower and damper | |
| CN211084550U (en) | Refrigerator with a door | |
| CN216347262U (en) | Refrigerator with a door | |
| KR100377254B1 (en) | Freezer | |
| CN209944843U (en) | Commercial refrigerator and refrigerating system thereof | |
| CN220250396U (en) | Refrigerating appliance | |
| CN218033923U (en) | A kind of refrigerator | |
| CN215724420U (en) | A kind of refrigerator | |
| CN211926246U (en) | Air circulation system is sent back to refrigerator multi-temperature-zone | |
| CN220355820U (en) | Electricity-saving refrigerator | |
| CN220771596U (en) | Fresh-keeping storage container and refrigerator | |
| CN220771597U (en) | Fresh-keeping storage container and refrigerator | |
| CN210374253U (en) | Single-evaporator three-temperature-zone air path system for American refrigerator | |
| CN219037155U (en) | Refrigerating module and refrigerating equipment | |
| CN219199661U (en) | Variable-temperature air duct assembly for refrigerator and refrigerator | |
| CN218033924U (en) | A kind of refrigerator | |
| CN219531301U (en) | Refrigerating apparatus | |
| CN220624578U (en) | Cold and hot cabinet | |
| CN211120196U (en) | Refrigerator with a door | |
| CN210179967U (en) | Refrigerator capable of preventing freezing chamber air duct from moving downwards |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |