CN210625023U - Air return assembly and refrigerator with same - Google Patents
Air return assembly and refrigerator with same Download PDFInfo
- Publication number
- CN210625023U CN210625023U CN201921008721.1U CN201921008721U CN210625023U CN 210625023 U CN210625023 U CN 210625023U CN 201921008721 U CN201921008721 U CN 201921008721U CN 210625023 U CN210625023 U CN 210625023U
- Authority
- CN
- China
- Prior art keywords
- air return
- pipe
- air
- capillary
- assembly
- 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
- 239000003507 refrigerant Substances 0.000 claims abstract description 13
- 238000005057 refrigeration Methods 0.000 claims description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
Images
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model provides an air return assembly and have refrigerator of this air return assembly. The air return assembly comprises an air return pipe, a first capillary tube at least partially arranged in the air return pipe, and a second capillary tube arranged at the outer side of the air return pipe and at least partially attached to the outer wall of the air return pipe in parallel. The utility model discloses an inboard and the outside of muffler are arranged in respectively with two capillaries, not only provide a novel return-air subassembly, still show the heat exchange efficiency who has improved the interior refrigerant of capillary and return-air pipe, and then improved refrigerating system's refrigerating capacity.
Description
Technical Field
The utility model relates to a refrigeration plant field especially relates to an air return subassembly and have refrigerator of this air return subassembly.
Background
At present, a refrigerator refrigerating system basically adopts a copper pipe capillary tube for throttling and pressure reduction, and the supercooling degree of a high-pressure end refrigerant is increased by connecting the capillary tube and an air return pipe in parallel, so that the refrigerating capacity of a refrigerator is improved. FIG. 1 is a schematic cross-sectional view of a prior art air return assembly. Referring to fig. 1, the conventional dual system refrigerator basically entirely uses a copper muffler 110 because two capillary tubes (a first capillary tube 120 and a second capillary tube 130) are used, and the two capillary tubes are welded to both sides of the muffler 110 by brazing, so that the heat exchange efficiency is high, but the cost is high. In view of the above, there is a need for an air return assembly with high heat exchange efficiency and low cost and a refrigerator having the same.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel return-air subassembly.
A further object of the first aspect of the present invention is to reduce the cost of the return air assembly.
An object of the second aspect of the present invention is to provide a refrigerator having the air return assembly.
According to the utility model discloses an aspect provides an air return subassembly, a serial communication port, include:
an air return pipe;
a first capillary tube at least partially disposed within the return air tube; and
the second capillary tube is arranged on the outer side of the air return tube and at least partially attached to the outer wall of the air return tube in parallel.
Optionally, the air return assembly further comprises:
the two ends of the tubular joint are respectively provided with a first interface and a second interface; and is
A separator is arranged in the joint and divides the second interface into a connecting part and a pipe running part; wherein
The first interface is used for being communicated with the air return pipe, the connecting part is used for being communicated with the connecting pipe, and the pipe walking part is used for leading in or leading out the first capillary.
Optionally, the air return tube is made of aluminum; and is
The connecting tube is made of copper.
Optionally, the air return assembly further comprises:
and the copper-aluminum joint is arranged at the periphery of the first interface and is welded with the periphery of one pipe orifice of the air return pipe.
Optionally, the connecting pipe and the first capillary are respectively welded to the inner wall of the connecting part and the inner wall of the pipe running part.
Optionally, the central axis of the connecting tube is arranged to coincide with the central axis of the muffler.
Optionally, the first capillary tube is arranged with its central axis coincident with the central axis of the muffler.
Optionally, the air return assembly further comprises:
and the aluminum foil is arranged to coat the air return pipe and the second capillary.
According to the utility model discloses a second aspect still provides a refrigerator, includes:
a case defining a first compartment and a second compartment; and
the refrigeration system comprises a compressor, a condenser, a three-way valve for switching the working state of the refrigeration system, a first evaporator and a second evaporator which are respectively used for providing cold energy for the first chamber and the second chamber, and an air return assembly according to any one of the above parts; wherein
The air return pipe is used for conveying the low-pressure refrigerant in the first evaporator and the second evaporator to the compressor; and is
The first capillary tube and the second capillary tube are respectively connected in series between the first evaporator and the three-way valve and between the second evaporator and the three-way valve.
Optionally, the set temperature of the first compartment is lower than the set temperature of the second compartment.
The utility model discloses an inboard and the outside of muffler are arranged in respectively with two capillaries, not only provide a novel return-air subassembly, still show the heat exchange efficiency who has improved the interior refrigerant of capillary and return-air pipe, and then improved refrigerating system's refrigerating capacity.
Further, the utility model discloses an adopt aluminium system muffler, when guaranteeing the effect of heat transfer, reduce material cost. Further, through the utility model discloses muffler and connecting pipe are connected to the tubular joint of specific structure, not only can overcome the soft difficult fixed technological problem of aluminium material, still can make the refrigerant smoothly, flow steadily.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic cross-sectional view of a prior art air return assembly;
fig. 2 is a schematic cross-sectional view of an air return assembly according to an embodiment of the present invention;
FIG. 3 is a schematic partial cross-sectional view of the air return assembly of FIG. 2;
fig. 4 is a schematic structural view of a refrigerator according to an embodiment of the present invention;
fig. 5 is a schematic view of a refrigerant cycle of a refrigeration system of the refrigerator shown in fig. 4.
Detailed Description
Fig. 2 is a schematic cross-sectional view of an air return assembly 100 according to an embodiment of the present invention; fig. 3 is a schematic partial cross-sectional view of the air return assembly 100 shown in fig. 2. Referring to fig. 2 and 3, a return air assembly 100 for a multi-stage compression refrigeration system may include a return air pipe 110, a first capillary tube 120, and a second capillary tube 130.
In particular, the first capillary tube 120 may be at least partially disposed within the muffler 110. The second capillary tube 130 may be disposed outside the air return tube 110, and at least partially attached to the outer wall of the air return tube 110 in parallel, so as to increase the supercooling degree of the high-pressure end refrigerant, thereby improving the refrigerating capacity of the refrigerating system.
The air return assembly 100 may further include a tubular joint 150 having a first interface 152 and a second interface at two ends thereof. And a partition 151 is provided in the tubular joint 150 to partition the second interface into a connection portion 153 and a piping portion 154. The first interface 152 is used for communicating with the muffler 110, the connection portion 153 is used for communicating with a connection pipe 170 connecting the muffler 110 and the compressor (or the evaporator), and the pipe-running portion 154 is used for leading in or out the first capillary 120.
The muffler 110 may be provided at both ends thereof with a pipe joint 150 to communicate with the evaporator and the compressor, respectively, through two connection pipes 170 and to introduce or withdraw the first capillary tube 120.
The central axis of the connection pipe 170 may be disposed to coincide with the central axis of the air return pipe 110 to allow a smooth and stable flow of the refrigerant in the air return assembly 100.
The central axis of the first capillary tube 120 may be coincident with the central axis of the air return tube 110, so that the first capillary tube 120 and the refrigerant in the air return tube 110 exchange heat uniformly, thereby improving the heat exchange efficiency and further improving the refrigerating capacity of the refrigerating system.
In some embodiments, the muffler 110 and the connection tube 170 may both be made of copper.
In other embodiments, the muffler 110 may be made of aluminum and the connection pipe 170 may be made of copper, so as to reduce material cost while ensuring heat exchange effect. In this embodiment, the heat exchange length of the air return pipe 110 can be increased by 20-30% relative to the previous embodiment (the air return pipe 110 can be made of copper) to achieve the same heat exchange efficiency.
The air return assembly 100 may also include a copper aluminum joint 160. The copper-aluminum joint 160 may be disposed at a periphery of the first connector 152 and welded to a periphery of a nozzle of the muffler 110 to fixedly communicate the muffler 110 and the tubular joint 150.
The connection pipe 170 and the first capillary 120 may be provided to be welded to the connection part 153 and the inner wall of the piping part 154, respectively, to fix the connection pipe 170 and the first capillary 120 and to communicate the return pipe 110 and the connection pipe 170.
The air return assembly 100 may also include an aluminum foil 140. The aluminum foil 140 may be disposed to cover the muffler 110 and the second capillary 130, so as to fix the muffler 110 and the second capillary 130.
Based on the air return assembly 100 of any of the foregoing embodiments, the present invention can also provide a refrigerator 200 having the air return assembly 100. Fig. 4 is a schematic structural view of a refrigerator 200 according to an embodiment of the present invention; fig. 5 is a refrigerant cycle diagram of the refrigeration system of the refrigerator 200 shown in fig. 4. Referring to fig. 4 and 5, the refrigerator 200 may include a cabinet 210 defining a first compartment 211 and a second compartment 212, and a refrigeration system for providing refrigeration to the first compartment 211 and the second compartment 212.
Specifically, the refrigeration system may include a compressor 221, a condenser 222, a three-way valve 223 for switching an operation state of the refrigeration system, a first evaporator 224 and a second evaporator 225 for providing refrigeration capacity to the first compartment 211 and the second compartment 212, respectively, and the air return assembly 100. Wherein the return pipe 110 is provided to deliver the low pressure refrigerant in the first evaporator 224 and the second evaporator 225 to the compressor 221. The first capillary tube 120 and the second capillary tube 130 are respectively connected in series between the first evaporator 224 and the three-way valve 223 and between the second evaporator 225 and the three-way valve 223.
In some embodiments, the set temperature of the first compartment 211 may be lower than the set temperature of the second compartment 212, that is, the frequency of use of the first capillary 120 is higher than the frequency of use of the second capillary 130, so that the heat exchange efficiency between the first capillary 120 and the refrigerant in the return pipe 110 is higher than the heat exchange efficiency between the second capillary 130 and the return pipe 110, thereby improving the heat exchange efficiency as a whole and further improving the cooling capacity of the refrigeration system. For example, the first compartment 211 and the second compartment 212 are used for freezing and refrigerating food material, respectively.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. An air return assembly, comprising:
an air return pipe;
a first capillary tube at least partially disposed within the return air tube; and
the second capillary tube is arranged on the outer side of the air return tube and at least partially attached to the outer wall of the air return tube in parallel.
2. The air return assembly of claim 1, further comprising:
the two ends of the tubular joint are respectively provided with a first interface and a second interface; and is
A separator is arranged in the joint and divides the second interface into a connecting part and a pipe running part; wherein
The first interface is used for being communicated with the air return pipe, the connecting part is used for being communicated with the connecting pipe, and the pipe walking part is used for leading in or leading out the first capillary.
3. The air return assembly of claim 2,
the air return pipe is made of aluminum; and is
The connecting tube is made of copper.
4. The air return assembly of claim 3, further comprising:
and the copper-aluminum joint is arranged at the periphery of the first interface and is welded with the periphery of one pipe orifice of the air return pipe.
5. The air return assembly of claim 3,
the connecting pipe and the first capillary are respectively welded with the connecting part and the inner wall of the pipe walking part.
6. The air return assembly of claim 2,
the central axis of the connecting pipe is arranged to be coincident with the central axis of the air return pipe.
7. The air return assembly of claim 1,
the first capillary tube is arranged such that its central axis coincides with the central axis of the muffler.
8. The air return assembly of claim 1, further comprising:
and the aluminum foil is arranged to coat the air return pipe and the second capillary.
9. A refrigerator, comprising:
a case defining a first compartment and a second compartment; and
a refrigeration system comprising a compressor, a condenser, a three-way valve for switching the working state of the refrigeration system, a first evaporator and a second evaporator for providing refrigeration to the first compartment and the second compartment, respectively, and a return air assembly according to any one of claims 1-8; wherein
The air return pipe is used for conveying the low-pressure refrigerant in the first evaporator and the second evaporator to the compressor; and is
The first capillary tube and the second capillary tube are respectively connected in series between the first evaporator and the three-way valve and between the second evaporator and the three-way valve.
10. The refrigerator according to claim 9,
the set temperature of the first compartment is lower than the set temperature of the second compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921008721.1U CN210625023U (en) | 2019-07-01 | 2019-07-01 | Air return assembly and refrigerator with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921008721.1U CN210625023U (en) | 2019-07-01 | 2019-07-01 | Air return assembly and refrigerator with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210625023U true CN210625023U (en) | 2020-05-26 |
Family
ID=70747964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921008721.1U Active CN210625023U (en) | 2019-07-01 | 2019-07-01 | Air return assembly and refrigerator with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210625023U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184070A (en) * | 2020-09-15 | 2022-03-15 | 合肥海尔电冰箱有限公司 | Heat exchange tube assembly, preparation method thereof and refrigerator |
| CN114646162A (en) * | 2020-12-18 | 2022-06-21 | 贵州海尔电器有限公司 | Heat exchange tube assembly and air-cooled refrigerator |
-
2019
- 2019-07-01 CN CN201921008721.1U patent/CN210625023U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184070A (en) * | 2020-09-15 | 2022-03-15 | 合肥海尔电冰箱有限公司 | Heat exchange tube assembly, preparation method thereof and refrigerator |
| EP4198419A4 (en) * | 2020-09-15 | 2024-01-17 | Hefei Haier Refrigerator Co., Ltd | Heat exchange tube assembly, manufacturing method therefor, and refrigerator |
| CN114646162A (en) * | 2020-12-18 | 2022-06-21 | 贵州海尔电器有限公司 | Heat exchange tube assembly and air-cooled refrigerator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210625023U (en) | Air return assembly and refrigerator with same | |
| CN106246955A (en) | Slidingtype reversal valve and refrigerating circulation system | |
| CN113405303A (en) | Refrigerator refrigerating system and refrigerator comprising same | |
| KR100549063B1 (en) | Refrigerator | |
| CN104697232A (en) | A heat pump system | |
| CN216592327U (en) | Coil pipe microchannel heat exchanger and air conditioner | |
| US20220268525A1 (en) | Heat transfer tube and heat exchanger | |
| CN111141044A (en) | Screw compression refrigeration heating system with two-stage economizer | |
| CN210718286U (en) | Refrigerator with integrated anti-condensation tube structure | |
| CN210141717U (en) | Heat regenerator and heat pump system | |
| CN115790004A (en) | Heat regenerator, gas return pipeline system, gas circuit heat regeneration method and refrigeration equipment | |
| CN114198946A (en) | Coil pipe micro-channel heat exchanger and air conditioner | |
| CN103673402B (en) | A kind of shrinkage type interchanger | |
| CN207454272U (en) | Compressor and refrigeration system | |
| CN112556276A (en) | Refrigerating system and freezer | |
| CN111928513A (en) | Novel pulse tube refrigerator | |
| CN216159421U (en) | Double-temperature double-cylinder parallel refrigerator compressor | |
| CN213066346U (en) | Heat exchanger and air condensing units | |
| CN218645800U (en) | Double-pipe ammonia refrigerating system | |
| CN216245089U (en) | Movable refrigeration house refrigerating unit adopting micro-channel heat exchanger | |
| CN212320122U (en) | Novel pulse tube refrigerator | |
| CN210921846U (en) | Vacuum processor cold water machine | |
| CN219177868U (en) | Variable-frequency four-pipe air conditioning system | |
| CN217464935U (en) | Cascade refrigerating system and refrigerator | |
| CN216644629U (en) | Heat regenerator and refrigeration plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |