CN214198923U - Heat exchanger and air conditioner - Google Patents
Heat exchanger and air conditioner Download PDFInfo
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- CN214198923U CN214198923U CN202023090192.XU CN202023090192U CN214198923U CN 214198923 U CN214198923 U CN 214198923U CN 202023090192 U CN202023090192 U CN 202023090192U CN 214198923 U CN214198923 U CN 214198923U
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- 239000003507 refrigerant Substances 0.000 claims abstract description 86
- 238000009423 ventilation Methods 0.000 claims abstract description 82
- 238000009826 distribution Methods 0.000 abstract description 12
- 238000012546 transfer Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 12
- 238000005057 refrigeration Methods 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model provides a heat exchanger and air conditioner, the first heat transfer portion of heat exchanger includes first branch road and second branch road, the flow opposite direction of the refrigerant in first branch road and the second branch road, the refrigerant entry of first branch road is A1, the refrigerant export of first branch road is A2, the refrigerant entry of second branch road is B1, the refrigerant export of second branch road is B2, first heat transfer portion has relative first ventilation side and second ventilation side, wherein, A1, B1 is located first ventilation side, A2, B2 is located second ventilation side. By adopting the scheme, the refrigerant can pass through the first ventilation side and the second ventilation side respectively in the flowing process of the first branch and the second branch, and the flowing directions of the refrigerant in the first branch and the second branch are opposite, so that the influence of uneven wind speed distribution at different positions of the heat exchanger can be reduced, the refrigerant flows and is adaptive to the wind speed distribution when the heat exchanger exchanges heat, the heat exchange of the refrigerant at different positions is more uniform, and the heat exchange performance of the heat exchanger is improved.
Description
Technical Field
The utility model relates to an air conditioner technical field particularly, relates to a heat exchanger and air conditioner.
Background
With the development of household air conditioners, centrifugal fans are widely applied, and when the centrifugal fans are used as an air power source, the centrifugal fans cannot be well adapted to heat exchangers due to the air flow characteristics of the centrifugal fans. The wind speeds of the heat exchanger on the windward side and the leeward side are different, and the wind speeds of the heat exchanger at different positions away from the fan are also different, namely the problem that the windward wind speed of the heat exchanger is not uniformly distributed exists, so that the local refrigerant circulation flow of the heat exchanger is too small, and the heat exchange performance is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a heat exchanger and air conditioner to improve the heat transfer performance of heat exchanger.
In order to achieve the above object, according to an aspect of the present invention, the present invention provides a heat exchanger, including: the first heat exchange portion comprises a first branch and a second branch, the flowing directions of refrigerants in the first branch and the second branch are opposite, the refrigerant inlet of the first branch is A1, the refrigerant outlet of the first branch is A2, the refrigerant inlet of the second branch is B1, the refrigerant outlet of the second branch is B2, the first heat exchange portion is provided with a first ventilation side and a second ventilation side which are opposite, wherein A1 and B1 are located on the first ventilation side, and A2 and B2 are located on the second ventilation side.
Further, the first branch comprises a plurality of first heat exchange tubes which are sequentially communicated, and the first heat exchange tubes are alternately positioned on the first ventilation side and the second ventilation side.
Further, it is a plurality of first calandria and second calandria that the first heat exchange tube constitutes the in bank setting, wherein, first calandria is located first ventilation side, the second calandria is located the second ventilation side, the heat exchanger still includes the elbow, at least partly in the first calandria first heat exchange tube with at least partly in the second calandria first heat exchange tube passes through the elbow intercommunication.
Further, the second branch comprises a plurality of second heat exchange tubes which are sequentially communicated, and the plurality of second heat exchange tubes are alternately positioned on the second ventilation side and the second ventilation side.
Further, it is a plurality of the second heat exchange tube includes third calandria and fourth calandria that the in bank set up, wherein, the third calandria is located first ventilation side, the fourth calandria is located the second ventilation side, the heat exchanger still includes the elbow, at least partly in the third calandria the second heat exchange tube with at least partly in the fourth calandria the second heat exchange tube passes through the elbow intercommunication.
Further, a1, B2, a2 and B1 are sequentially provided in a longitudinal direction of the first heat exchanging part, wherein a length of the refrigerant flow path of the first branch is greater than a length of the refrigerant flow path of the second branch.
Further, the heat exchanger further comprises a second heat exchanging portion, the second heat exchanging portion and the first heat exchanging portion are arranged in a V shape, the second heat exchanging portion comprises a third branch and a fourth branch, a refrigerant inlet of the third branch is C1, a refrigerant outlet of the third branch is C2, a refrigerant inlet of the fourth branch is D1, a refrigerant outlet of the fourth branch is D2, the second heat exchanging portion is provided with a third ventilation side and a fourth ventilation side which are opposite to each other, wherein C1 and D1 are located on the third ventilation side, and C2 and D2 are located on the fourth ventilation side.
Furthermore, the first heat exchanging part and the second heat exchanging part are symmetrically arranged relative to a preset plane, the first ventilation side and the third ventilation side are arranged in opposite directions, and the second ventilation side and the fourth ventilation side are arranged in opposite directions.
According to the utility model discloses an on the other hand provides an air conditioner, the air conditioner includes shell, fan and foretell heat exchanger, the fan with the heat exchanger all sets up in the cavity of shell.
Further, the shell is provided with an upper air inlet and a lower air inlet, wherein the upper air inlet and the lower air inlet can switch air outlet, and the heat exchanger is obliquely arranged relative to the air outlet direction of the fan.
Use the technical scheme of the utility model, a heat exchanger is provided, the heat exchanger includes first heat transfer portion, first heat transfer portion includes first branch road and second branch road, the flow direction of the refrigerant in first branch road and the second branch road is opposite, the refrigerant entry of first branch road is A1, the refrigerant export of first branch road is A2, the refrigerant entry of second branch road is B1, the refrigerant export of second branch road is B2, first heat transfer portion has relative first ventilation side and second ventilation side, wherein, A1, B1 is located first ventilation side, A2, B2 is located the second ventilation side. By adopting the scheme, the refrigerant can pass through the first ventilation side and the second ventilation side in the flowing process of the first branch and the second branch respectively, and the flowing directions of the refrigerant in the first branch and the second branch are opposite, so that the influence of uneven wind speed distribution at different positions of the heat exchanger can be reduced, the refrigerant flowing and the wind speed distribution adapt to each other when the heat exchanger is used for refrigerating and heating, the heat exchange of the refrigerant at different positions is more uniform, and the heat exchange performance of the heat exchanger is improved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural diagram of a heat exchanger provided by an embodiment of the present invention;
FIG. 2 shows a side view of the heat exchanger of FIG. 1;
fig. 3 is a schematic diagram illustrating a refrigerant flow of the heat exchanger in fig. 1 during cooling;
fig. 4 is a schematic diagram illustrating a refrigerant flow of the heat exchanger in fig. 1 during heating;
fig. 5 shows a schematic structural diagram of an air conditioner according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a first heat exchanging portion; 20. a second heat exchanging portion; 30. bending the pipe; 40. a housing; 50. a fan.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 5, an embodiment of the present invention provides a heat exchanger, including: the first heat exchanging portion 10 includes a first branch and a second branch, flowing directions of refrigerants in the first branch and the second branch are opposite, a refrigerant inlet of the first branch is a1, a refrigerant outlet of the first branch is a2, a refrigerant inlet of the second branch is B1, a refrigerant outlet of the second branch is B2, and the first heat exchanging portion 10 has a first ventilation side and a second ventilation side which are opposite to each other, wherein a1 and B1 are located on the first ventilation side, and a2 and B2 are located on the second ventilation side.
Adopt this scheme, the refrigerant is respectively at the in-process that first branch road and second branch road flow, the refrigerant can pass through first ventilation side and second ventilation side, and the flow direction of the refrigerant in first branch road and the second branch road is opposite, only through a ventilation side and the refrigerant is whole to flow along a direction with the refrigerant and compare, reducible heat exchanger is in the adverse effect of the not uniform distribution of different positions wind speed to the heat transfer, make the heat exchanger refrigeration, refrigerant flow when heating suits with the wind speed distribution, make the refrigerant heat transfer of different positions more even, thereby the heat transfer performance of heat exchanger has been improved.
In this embodiment, the first branch comprises a plurality of first heat exchange tubes which are sequentially communicated, and the plurality of first heat exchange tubes are alternately positioned on the first ventilation side and the second ventilation side. A plurality of first heat exchange tubes are alternately arranged on the first ventilation side and the second ventilation side, so that the refrigerant flowing in the first branch can repeatedly exchange heat with the air passing through the first ventilation side and the second ventilation side, and the heat exchange effect is improved.
In this embodiment, at least a part of the first heat exchange tubes form a first row of tubes and a second row of tubes arranged in a row, wherein the first row of tubes is located on the first ventilation side, and the second row of tubes is located on the second ventilation side. The first row of tubes and the second row of tubes respectively comprise a plurality of first heat exchange tubes. The heat exchanger further comprises an elbow 30, and at least a part of the first heat exchange tubes in the first row of tubes and at least a part of the first heat exchange tubes in the second row of tubes are communicated through the elbow 30. Therefore, the first heat exchange tubes positioned on the first ventilation side and the second ventilation side are communicated, and the flow direction of a refrigerant is adjusted.
In this embodiment, the second branch comprises a plurality of second heat exchange tubes which are sequentially communicated, and the plurality of second heat exchange tubes are alternately positioned on the second ventilation side and the second ventilation side. A plurality of second heat exchange tubes are alternately arranged on the first ventilation side and the second ventilation side, so that the refrigerant flowing in the second branch can repeatedly exchange heat with the air passing through the first ventilation side and the second ventilation side, and the heat exchange effect is improved.
Specifically, the plurality of second heat exchange tubes include a third row of tubes and a fourth row of tubes arranged in a row, wherein the third row of tubes is located on the first ventilation side, the fourth row of tubes is located on the second ventilation side, the heat exchanger further includes an elbow 30, and at least a part of the second heat exchange tubes in the third row of tubes and at least a part of the second heat exchange tubes in the fourth row of tubes are communicated through the elbow 30. Therefore, the second heat exchange tubes positioned on the first ventilation side and the second ventilation side are communicated, and the flow direction of the refrigerant in the second branch is adjusted.
In the present embodiment, a1, B2, a2 and B1 are sequentially provided in the longitudinal direction of the first heat exchanging part 10, wherein the length of the refrigerant flow path of the first branch is greater than the length of the refrigerant flow path of the second branch.
Further, the heat exchanger further comprises a second heat exchanging portion 20, the second heat exchanging portion 20 and the first heat exchanging portion 10 are arranged in a V shape, the second heat exchanging portion 20 comprises a third branch and a fourth branch, a refrigerant inlet of the third branch is C1, a refrigerant outlet of the third branch is C2, a refrigerant inlet of the fourth branch is D1, a refrigerant outlet of the fourth branch is D2, the second heat exchanging portion 20 has a third ventilation side and a fourth ventilation side which are opposite to each other, wherein C1 and D1 are located on the third ventilation side, and C2 and D2 are located on the fourth ventilation side. Through the arrangement, the contact area between the heat exchanger and the airflow can be increased, and the heat exchange performance of the heat exchanger is further improved.
In this embodiment, the first heat exchanging portion 10 and the second heat exchanging portion 20 are symmetrically disposed with respect to the predetermined plane, the first ventilation side and the third ventilation side are disposed opposite to each other, and the second ventilation side and the fourth ventilation side are disposed opposite to each other. With the above arrangement, the first heat exchanging part 10 and the second heat exchanging part 20 have the same structure, which facilitates the manufacture of the heat exchanger.
Another embodiment of the utility model provides an air conditioner, air conditioner include shell 40, fan 50 and foretell heat exchanger, and fan 50 and heat exchanger all set up in the cavity of shell 40. Adopt this scheme, the refrigerant is respectively at the in-process that first branch road and second branch road flow, the refrigerant can pass through first ventilation side and second ventilation side, and the flow direction of the refrigerant in first branch road and the second branch road is opposite, only through a ventilation side and the refrigerant is whole to flow along a direction with the refrigerant and compare, reducible heat exchanger is in the adverse effect of the not uniform distribution of different positions wind speed to the heat transfer, make the heat exchanger refrigeration, refrigerant flow when heating suits with the wind speed distribution, make the refrigerant heat transfer of different positions more even, thereby the heat transfer performance of heat exchanger has been improved.
Specifically, the casing 40 has an upper air inlet and a lower air inlet, wherein the upper air inlet and the lower air inlet can switch the outlet air, and the heat exchanger is disposed obliquely with respect to the outlet air direction of the fan 50. The heat exchanger is arranged obliquely relative to the air outlet direction of the fan 50, so that the contact area between the heat exchanger and the air can be increased. The air outlet is switched between the upper air inlet and the lower air inlet, so that the user experience can be improved. For example, the air is discharged from an upper air outlet during cooling, and is discharged from a lower air outlet during heating.
To facilitate understanding of the present solution, the following is further described.
When the air conditioner operates in a refrigerating mode, the heat exchanger is located in an air outlet area, air is accelerated and pressurized through the fan component, then is discharged from the outlet of the fan and enters the heat exchanger, and the air temperature is reduced after the air exchanges heat with the heat exchanger, so that the air conditioner is used for cooling a room. In the process, as shown in the figure, from bottom to top, the distribution of the wind speed of the heat exchanger is changed, and according to the air flow characteristics, in the wind speed distribution of the wind surface of the heat exchanger, the flow speed of the upper air flow is higher than that of the lower air flow. When heating, the airflow flowing direction is opposite to that of refrigeration, the heat exchanger is positioned in an air inlet area, indoor air enters the fan after heat exchange of the heat exchanger and is accelerated and pressurized and then is discharged from an air outlet of the air conditioner for heating rooms, and because the heat exchanger is obliquely arranged, the air speed at each point is different from the air suction port of the fan, and the air speed at the lower part of the heat exchanger is higher than that at the upper part.
According to the airflow flowing characteristics, the temperature difference of the outlets of the refrigerant circulating branches for refrigeration and heating is reduced through the flow path design of the heat exchanger, and the heat exchange performance is improved. During cooling, A1, B1, C1 and D1 are refrigerant inlets, A2, B2, C2 and D2 are refrigerant outlets, 4 refrigerant circulating branches are arranged, the flowing direction of the refrigerant A1 → A2 and C1 → C2 is from top to bottom, the flowing direction of the refrigerant B1 → B2 and the flowing direction of the refrigerant D1 → D2 are from bottom to top, the lengths of the flow paths A1 → A2 and C1 → C2 are longer than those of the flow paths B1 → B2 and D1 → D2, and the heat exchange capacity is improved by increasing the flowing speed of the refrigerant in consideration of the gravity influence characteristic of the refrigerant flowing speed. Meanwhile, a plurality of intersections are formed in the circulation branch A1 → A2, B1 → B2 and respectively pass through the windward side and the leeward side of the heat exchanger, and based on the arrangement, the distribution difference of the windward wind speed of the heat exchanger is that if the circulation flow path only runs on the windward side or the leeward side, the heat exchange of the other branch is better or worse, the air outlet temperature difference of the heat exchanger is overlarge, and the heat exchange performance is reduced. Because the wind speed of the heat exchanger is gradually reduced from top to bottom, the heat exchange quantity of each circulation branch is improved simultaneously by arranging X-shaped cross flow paths at a plurality of positions in the circulation branches. In the flow path design, the advantages of countercurrent heat exchange are adopted, so that the flow direction of the refrigerant and the air inlet direction form countercurrent, the refrigeration inlets A1, B1, C1 and D1 are arranged on the leeward side of the heat exchanger, and the refrigeration inlets A2, B2, C2 and D2 are arranged on the windward side of the heat exchanger, so that the heat exchange temperature difference of the refrigerant outlet is improved, and the heat exchange coefficient is improved.
When in heating, the air flow direction is opposite, the inner side of the heat exchanger is a windward side, the outer side of the heat exchanger is a leeward side, the surface wind speed distribution of the heat exchanger is gradually increased from top to bottom, the flow direction of the refrigerant is opposite to that of refrigeration, the flow direction of the refrigerant is the same as the flow direction of the air flow to form counter flow, the heat exchange coefficient is improved, and when in heating operation, the gaseous refrigerant is lower in density to form a floating effect, wherein the lengths of the flow paths A2 → A1, C2 → C1 are longer than those of the flow paths B2 → B1, D2 → D1, the flow rate of. Through above-mentioned flow path setting, compare with traditional flow path, the refrigeration ability of heating obviously promotes.
Through the utility model discloses, according to the air conditioner refrigeration, the air current flow direction that heats change, the change of the heat exchanger windward wind speed distribution that leads to simultaneously according to the air current flow direction change for the heat exchanger is at the refrigeration, each tributary circulation flow when heating suits with heat exchanger windward wind speed distribution, guarantees that the heat exchanger air-out difference in temperature is even, improves the refrigeration of heat exchanger, heats the performance.
In this embodiment, the air conditioner is a floor air conditioner, and the blower includes a volute, a centrifugal blade and a rotary volute tongue, and the centrifugal blade is rotatably disposed in the volute. The rotary volute tongue is rotatably arranged in an air inducing cavity of the volute, the volute is provided with an upper air outlet and a lower air outlet, and the air outlet direction of the fan 50 is switched and adjusted through the position of the rotary volute tongue.
Optionally, the inner wall of the induced draft chamber has a guide groove, and the blower further comprises a guide structure disposed on the rotating volute tongue, the guide structure being located in the guide groove to move along the guide groove. Therefore, the rotary volute tongue can be guided by matching the guide structure and the guide groove, so that the rotary volute tongue can move stably, the shaking is reduced, and the reliability is improved.
Optionally, the guide structure comprises: the first roller is rotatably arranged on the rotary volute tongue, the axis of the first roller is parallel to the rotating center line of the rotary volute tongue, and the first roller is abutted against the side wall of the guide groove; the second roller is rotatably arranged on the rotary volute tongue, the axis of the second roller is perpendicular to the rotation center line of the rotary volute tongue, and the second roller is abutted against the bottom wall of the guide groove. Through the first idler wheel and the second idler wheel with different axes, the rotating volute tongue is limited and guided in different directions, so that the rotating volute tongue can move stably. The first roller and the second roller are adopted, so that the direct contact between the rotating volute tongue and the inner wall of the air inducing cavity is avoided, the friction resistance is reduced, and the movement is smooth.
Optionally, the rotating volute tongue comprises: the arc-shaped plate is used for plugging the upper air outlet or the lower air outlet, and a gap is formed between the arc-shaped plate and the inner wall of the induced air cavity; the arc-shaped blocking rib is arranged on the arc-shaped plate, and one part of the arc-shaped blocking rib is positioned in the guide groove. A gap is arranged between the arc-shaped plate and the inner wall of the induced draft cavity, so that the rotating volute tongue can rotate conveniently, and the clamping is avoided. The arc-shaped blocking ribs extending into the guide grooves can block the gaps, air leakage at the gaps is avoided, and sealing performance and air quantity of the fan are improved. Optionally, a gap is formed between the arc-shaped blocking rib and the inner wall of the induced draft cavity, so that friction force generated by contact between the arc-shaped blocking rib and the inner wall of the induced draft cavity is avoided. Moreover, the arc-shaped blocking rib is provided with an avoiding groove for avoiding the guide structure. The avoiding groove can avoid the interference of the guide structure and the arc-shaped blocking rib, so that the arrangement of the guide structure is convenient.
Optionally, an upper air duct and a lower air duct are arranged between the volute casing and the housing, two ends of the upper air duct are respectively communicated with the upper air inlet and the induced draft opening, and the lower air duct is respectively communicated with the lower air inlet and the induced draft opening. The air conditioner further includes: the upper wind shielding mechanism is arranged in the cavity of the shell, and at least one part of the upper wind shielding mechanism is movably arranged to open or close the upper wind channel; and the lower wind shielding mechanism is arranged in the cavity of the shell, and at least one part of the lower wind shielding mechanism is movably arranged to open or close the lower wind channel.
By adopting the scheme, when the air conditioner goes out, the upper air duct is closed through the upper wind shielding mechanism, so that air is only fed from the lower air duct, the influence on air outlet due to air feeding from the upper air duct is avoided, when the air conditioner goes out, the lower air duct is closed through the lower wind shielding mechanism, so that air is only fed from the upper air duct, and the influence on air outlet due to air feeding from the lower air duct is avoided. Therefore, the air output of the air conditioner can be improved, and the heat exchange efficiency is improved.
Optionally, the upper wind blocking mechanism comprises: the upper baffle plate is rotatably arranged in the upper air duct so as to open or close the upper air duct; the upper driving part is in driving connection with the upper baffle to drive the upper baffle to rotate. The rotation of the upper baffle is realized through the upper driving part, so that the upper air duct is opened or closed through the upper baffle. The scheme has simple structure and is convenient to control.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A heat exchanger, comprising:
the first heat exchanging part (10) comprises a first branch and a second branch, the flowing directions of refrigerants in the first branch and the second branch are opposite, the refrigerant inlet of the first branch is A1, the refrigerant outlet of the first branch is A2, the refrigerant inlet of the second branch is B1, the refrigerant outlet of the second branch is B2, the first heat exchanging part (10) is provided with a first ventilation side and a second ventilation side which are opposite, wherein A1 and B1 are located on the first ventilation side, and A2 and B2 are located on the second ventilation side.
2. The heat exchanger of claim 1, wherein the first branch comprises a plurality of first heat exchange tubes in communication in series, the plurality of first heat exchange tubes being alternately located on the first vent side and the second vent side.
3. The heat exchanger according to claim 2, wherein a plurality of the first heat exchange tubes are grouped into a first bank of tubes and a second bank of tubes arranged in a row, wherein the first bank of tubes is located on the first vent side and the second bank of tubes is located on the second vent side, the heat exchanger further comprising an elbow (30), at least a portion of the first heat exchange tubes in the first bank of tubes and at least a portion of the first heat exchange tubes in the second bank of tubes being in communication through the elbow (30).
4. The heat exchanger of claim 1, wherein the second leg comprises a plurality of second heat exchange tubes in sequential communication, the plurality of second heat exchange tubes being alternately located on the second vent side and the second vent side.
5. The heat exchanger according to claim 4, wherein the plurality of second heat exchange tubes comprises a third row of tubes and a fourth row of tubes arranged in a row, wherein the third row of tubes is located on the first vent side and the fourth row of tubes is located on the second vent side, the heat exchanger further comprising an elbow (30), and wherein at least a portion of the second heat exchange tubes in the third row of tubes and at least a portion of the second heat exchange tubes in the fourth row of tubes communicate through the elbow (30).
6. The heat exchanger according to claim 1, wherein a1, B2, a2 and B1 are sequentially arranged in a longitudinal direction of the first heat exchanging part (10), wherein a length of the refrigerant flow path of the first branch is greater than a length of the refrigerant flow path of the second branch.
7. The heat exchanger according to claim 1, further comprising a second heat exchanging part (20), wherein the second heat exchanging part (20) and the first heat exchanging part (10) are arranged in a V shape, the second heat exchanging part (20) comprises a third branch and a fourth branch, a refrigerant inlet of the third branch is C1, a refrigerant outlet of the third branch is C2, a refrigerant inlet of the fourth branch is D1, a refrigerant outlet of the fourth branch is D2, and the second heat exchanging part (20) has a third ventilation side and a fourth ventilation side which are opposite to each other, wherein C1, D1 are located on the third ventilation side, and C2, D2 are located on the fourth ventilation side.
8. The heat exchanger according to claim 7, wherein the first heat exchanging portion (10) and the second heat exchanging portion (20) are symmetrically arranged with respect to a predetermined plane, the first ventilation side and the third ventilation side are arranged opposite to each other, and the second ventilation side and the fourth ventilation side are arranged opposite to each other.
9. An air conditioner, characterized in that it comprises a housing (40), a fan (50) and a heat exchanger according to any one of claims 1 to 8, both the fan (50) and the heat exchanger being arranged in a cavity of the housing (40).
10. The air conditioner according to claim 9, wherein the housing (40) has an upper air inlet and a lower air inlet, wherein the upper air inlet and the lower air inlet can switch the outlet air, and the heat exchanger is disposed obliquely with respect to the outlet air direction of the fan (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023090192.XU CN214198923U (en) | 2020-12-18 | 2020-12-18 | Heat exchanger and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023090192.XU CN214198923U (en) | 2020-12-18 | 2020-12-18 | Heat exchanger and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214198923U true CN214198923U (en) | 2021-09-14 |
Family
ID=77654314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023090192.XU Active CN214198923U (en) | 2020-12-18 | 2020-12-18 | Heat exchanger and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214198923U (en) |
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2020
- 2020-12-18 CN CN202023090192.XU patent/CN214198923U/en active Active
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