CN211925909U - Heat exchanger for air conditioner indoor unit and air conditioner indoor unit - Google Patents
Heat exchanger for air conditioner indoor unit and air conditioner indoor unit Download PDFInfo
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- CN211925909U CN211925909U CN201922181634.2U CN201922181634U CN211925909U CN 211925909 U CN211925909 U CN 211925909U CN 201922181634 U CN201922181634 U CN 201922181634U CN 211925909 U CN211925909 U CN 211925909U
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Abstract
The application discloses machine in heat exchanger and air conditioning for machine in air conditioning includes: the heat exchange pipelines are arranged side by side and at intervals along a first interval direction; the heat exchange fin group is divided into a first heat exchange region and a second heat exchange region, a plurality of first heat exchange fins are arranged in the first heat exchange region at intervals along a second interval direction crossed with the first interval direction, and the first heat exchange fins are sleeved on a heat exchange pipeline in the first heat exchange region; a plurality of second heat exchange fins are arranged in the second heat exchange area at intervals along a second interval direction and sleeved on the heat exchange pipeline in the second heat exchange area; the first heat exchange plates are arranged in the first spacing direction, the second heat exchange plates are arranged in the second spacing direction, and the first heat exchange plates are arranged in the second spacing direction. The heat exchanger is suitable for indoor air conditioners with different air volumes at different positions.
Description
Technical Field
The application relates to the technical field of air conditioners, in particular to a heat exchanger for an air conditioner indoor unit and the air conditioner indoor unit.
Background
At present, a fan is mostly adopted in an air-conditioning indoor unit to exchange heat between air and a finned tube heat exchanger in a forced convection mode, so that indoor cooling is achieved. For the indoor air conditioners with different air volumes, if the heat exchanger with a single shape is used, the problem of unbalanced heat exchange capacity is easy to occur, and the excessive or insufficient heat exchange capacity of partial areas is caused.
SUMMERY OF THE UTILITY MODEL
The application provides a heat exchanger and air conditioning indoor set for air conditioning indoor set to solve the heat exchanger form singleness among the prior art, be not suitable for the condition of different amount of wind.
In order to solve the above technical problem, the present application provides a heat exchanger for an air conditioner indoor unit, including: the heat exchange pipelines are arranged side by side and at intervals along a first interval direction; the heat exchange fin group is divided into a first heat exchange region and a second heat exchange region, a plurality of first heat exchange fins are arranged in the first heat exchange region at intervals along a second interval direction crossed with the first interval direction, and the first heat exchange fins are sleeved on a heat exchange pipeline in the first heat exchange region; a plurality of second heat exchange fins are arranged in the second heat exchange area at intervals along a second interval direction and sleeved on the heat exchange pipeline in the second heat exchange area; the first heat exchange plates are arranged in the first spacing direction, the second heat exchange plates are arranged in the second spacing direction, and the first heat exchange plates are arranged in the second spacing direction.
In order to solve the above technical problem, the present application provides an air conditioning indoor unit, including: the air conditioner comprises a shell, a fan and a fan, wherein the shell comprises a front panel and a back panel which are oppositely arranged along a first direction, and an upper side plate and a lower side plate which are oppositely arranged along a second direction, a first air inlet area is arranged on the front panel, and a first air outlet area is arranged on the lower side plate; the first heat exchanger is arranged between the front panel and the back plate and is the heat exchanger.
The application provides a heat exchanger for machine in air conditioning, including heat transfer pipeline and fin group, the fin group divides into first heat transfer district and second heat transfer district, first heat transfer district sets up a plurality of first heat exchanger fins, the second heat transfer district sets up a plurality of second heat exchanger fins, there is first interval between the adjacent first heat exchanger fin, there is the second interval between the adjacent second heat exchanger fin, the second interval is less than first interval, the density that sets up of second heat exchanger fin is greater than the density that sets up of first heat exchanger fin promptly, the heat transfer ability in second heat transfer district is greater than the heat transfer ability in first heat transfer district, therefore this application heat exchanger can be applicable to the machine in the air conditioning that has different amount of wind in different positions.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic structural diagram of an embodiment of a heat exchanger for an indoor unit of an air conditioner according to the present application;
FIG. 2 is a schematic top view of the embodiment of the heat exchanger shown in FIG. 1;
fig. 3 is a schematic structural view of another embodiment of the heat exchanger for an indoor unit of an air conditioner according to the present application;
FIG. 4 is a schematic front view of the embodiment of the heat exchanger shown in FIG. 3;
FIG. 5 is a side schematic view of the embodiment of the heat exchanger shown in FIG. 3;
FIG. 6 is a schematic view of the indoor unit of the air conditioner of the present application;
fig. 7 is a schematic structural diagram of an air conditioning indoor unit to which the heat exchanger embodiment shown in fig. 3 is applied.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are referred to in the embodiments of the present application, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
The heat exchanger is applied to the indoor air conditioners with different air volumes at different positions, namely the heat exchanger has different heat exchange capacities for different positions. This application heat exchanger comprises a plurality of heat transfer pipeline and heat exchanger fin group, and the heat exchanger fin group cover is established on the heat transfer pipeline. The heat exchange plate group is divided into a first heat exchange area and a second heat exchange area, the first heat exchange area is provided with a plurality of first heat exchange plates, the second heat exchange area is provided with a plurality of second heat exchange plates, a first space is formed between two adjacent first heat exchange plates, a second space is formed between two adjacent second heat exchange plates, and the second space is smaller than the first space, so that the heat exchange capacity of the second heat exchange area is larger than that of the first heat exchange area. Specifically, two embodiments of fig. 1 and 3 are taken as examples for explanation. The specific arrangement of the first plate and the second plate is not limited to the two arrangements shown in fig. 1 and 3, and other conceivable structural designs satisfying the above principle are within the scope of the present disclosure.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of an embodiment of a heat exchanger for an indoor unit of an air conditioner according to the present application, and fig. 2 is a schematic side structural view of the embodiment of the heat exchanger shown in fig. 1. The heat exchanger 100 of the present embodiment includes a plurality of heat exchange pipelines 11 and a heat exchange plate group 12.
Wherein the plurality of heat exchange pipes 11 are arranged side by side and at intervals along the first interval direction Y. Two adjacent heat exchange pipelines 11 are connected with each other and arranged in an S shape as a whole. The heat exchange pipeline 11 specifically adopts a copper pipe, because the heat exchange efficiency of copper is higher, the diameter of the copper pipe is 3mm-10mm, and specifically can be 3mm, 5mm, 7mm, 10mm and the like.
Heat exchanger plate group 12 is divided into a first heat exchange zone 13 and a second heat exchange zone 14 along second spacing direction X. A plurality of first heat exchange fins 121 are arranged in the first heat exchange zone 13 at intervals along the second interval direction X; a plurality of second heat exchanging fins 122 are arranged in the second heat exchanging area at intervals along the second interval direction X. The second spacing direction X intersects the first spacing direction Y, and further the first spacing direction Y is perpendicular to the second spacing direction X.
Two adjacent first heat exchange plates 121 have a first spacing G1 in the second spacing direction X, and two adjacent second heat exchange plates 122 have a second spacing G2 in the second spacing direction X. The second pitch G2 is smaller than the first pitch G1, and if there are a plurality of different second pitches G2 or a plurality of different first pitches G1, the average value is used as a comparison standard. The ratio between the first pitch G1 and the second pitch G2 is greater than 1 and equal to or less than 2.5.
Overall, the density that sets up of second heat exchanger fin 122 is greater than the density that sets up of first heat exchanger fin 121, can realize then that to the area of intaking of equal area, the total surface area that a plurality of second heat exchanger fins 122 constitute is greater than the total surface area that a plurality of first heat exchanger fins 121 constitute. I.e. it is achieved that the heat exchange capacity of the second heat transfer zone 14 is greater than the heat exchange capacity of the first heat transfer zone 13. Thereby being suitable for the indoor unit of the air conditioner with different air volumes at different positions.
In order to ensure the heat exchange efficiency and avoid the obstruction of the heat exchanger to air in the wind flow direction, the first spacing G1 and the second spacing G2 are 1mm-10 mm.
The first heat transfer area 13 is defined by the edges of the first heat exchanger plates 121 and the second heat transfer area 14 is defined by the edges of the second heat exchanger plates 122. The shape of the edge formation is the shape of the heat transfer zone.
Corresponding to the square air inlet area, the whole heat exchanger plate group 12 is also square in this embodiment, and the upper edge of the first heat exchanger plate 121 and the lower edge of the second heat exchanger plate 122 are all arranged in parallel and level. For the air inlet areas with other shapes, the heat exchange plate groups 12 with corresponding shapes can be arranged. For convenience of production, the first heat exchanging fins 121 are all designed identically, and the second heat exchanging fins 122 are also designed identically. I.e. the lower edge of the first plate 121 and the upper edge of the second plate 122 are also flush.
In this embodiment, the first heat exchange area 13 corresponds to a first air inlet area, the second heat exchange area 14 corresponds to a second air inlet area, and for an air inlet area with the same area, for example, for a part of the second air inlet area and the first air inlet area with the same area, the total surface area of the second heat exchange fins 122 is greater than the total surface area of the first heat exchange fins 121.
Specifically, the first fin 121 has a first width W1 in a vertical direction Z between the first spacing direction Y and the second spacing direction X, and the second fin 122 has a second width W2 in the vertical direction Z, wherein the second width W2 is equal to the first width W1, and the width may be 5mm to 50 mm. And the length of the first plate 121 in the first interval direction Y is equal to the length of the second plate 122 in the first interval direction Y. The thickness of the first heat exchange plate 121 and the second heat exchange plate 122 along the X direction is 0.01mm-0.5 mm.
The embodiment is specifically applied to an indoor unit that performs cooling and refrigeration by natural convection, and a fan is disposed at the second heat transfer area 14, so that the heat transfer area of forced convection needs to be increased.
Further, when the heat exchanger is applied to an indoor unit, a water collecting tank is arranged below the first heat exchange piece 121 and the second heat exchange piece 122, the width of the water collecting tank needs to be larger than the width of the bottom edge of the 122 of the first heat exchange piece 121 and the second heat exchange piece, and the excessively wide water collecting tank can influence the discharge flow rate of the settled cold air, so that the width of the bottom edge of the heat exchange piece is reduced in the embodiment, the design of a flow guide angle is carried out on the bottom edge of the heat exchange piece, and the condensate water finally drips into the water collecting tank through the flow guide angle.
Fig. 3 is a schematic structural view of another embodiment of a heat exchanger for an indoor unit of an air conditioner according to the present application, fig. 4 is a schematic structural view of a front side of the embodiment of the heat exchanger shown in fig. 3, and fig. 5 is a schematic structural view of a side surface of the embodiment of the heat exchanger shown in fig. 3.
The heat exchanger 200 of the present embodiment also includes a plurality of heat exchange pipelines 21 and a heat exchange plate group 22. The arrangement manner of the heat exchange pipeline 21 and the heat exchange plate group 22 is similar to that of the heat exchanger 100 in the above embodiment, and the description of the same parts is omitted.
The difference between the two is that the first heat transfer area 23 and the second heat transfer area 24 are divided differently, and the present embodiment is divided along the first interval Y direction. The cold air is settled from the first heat exchange area 23 to the second heat exchange area 24, so that a large air volume is formed at the second heat exchange area 24, and the heat exchange capability of the second heat exchange area 24 is required to be high. Generally, the air volume increases in the lower 5% -40% of the entire heat transfer area, and therefore the first heat transfer area 23 and the second heat transfer area 24 are also designed accordingly.
The first heat transfer area 23 has a first height H1 in the first spacing direction Y, the second heat transfer area 24 has a second height H2 in the first spacing direction Y, and the second height H2 is 5% to 40% of the sum of the first height H1 and the second height H2, that is, H2 ═ 5% to 40%) × (H1+ H2). If the first heat transfer area 13 and the second heat transfer area 14 have a plurality of heights, the average height is taken as a reference.
In the present embodiment, a first distance G1 exists between two adjacent first heat exchange plates 221 in the second spacing direction X, a second distance G2 exists between two adjacent second heat exchange plates 222 in the second spacing direction X, and the second distance G2 is smaller than the first distance G1. If there are a plurality of different second pitches G2 or a plurality of different first pitches G1, the average value is used as a comparison criterion.
Overall, the second plate 222 is disposed at a density greater than that of the first plate 221. Therefore, the total surface area formed by the plurality of second heat exchange fins 222 is larger than the total surface area formed by the plurality of first heat exchange fins 221 for the same area of the air inlet area. I.e. it is achieved that the heat exchange capacity of the second heat transfer zone 24 is greater than the heat exchange capacity of the first heat transfer zone 23.
In this embodiment, a portion of the second heat exchanging fins 222 is integrally disposed with the first heat exchanging fin 221, which is more beneficial to reducing the air flowing resistance, because the second distance G2 of the second heat exchanging fin 222 is smaller than the first distance G1, the second heat exchanging fin 222 may be staggered from the first heat exchanging fin 221, and in some applications, when the cold air sinks from the first heat exchanging zone 23 to the second heat exchanging zone 24, the staggered second heat exchanging fin 222 may affect the cold air flowing, so that the first heat exchanging fin 221 and the second heat exchanging fin 222 are integrally disposed as much as possible, so as to reduce the air flowing resistance.
Specifically, at least one second heat exchange fin 222 which is not integrally arranged with the first heat exchange fin 221 is arranged between two adjacent second heat exchange fins 222 which are integrally arranged with the first heat exchange fin 221. In this embodiment, there is no space between the first heat exchange zone 23 and the second heat exchange zone 24.
Similar to the heat exchanger 100 of the previous embodiment, the interval between two adjacent first heat exchange fins 221 and two adjacent second heat exchange fins 222 is 1mm-10 mm.
The second plate 222 has a flow guiding angle at the bottom, and a chamfered edge 2223 is provided between the bottom edge 2221 of the second plate 222 and the side edge 2222 along the first spacing direction Y, so that the flow guiding angle is formed. The condensed water flows from the guide angle to the bottom edge 2221 and finally drops into the sump, and the angle theta of the guide angle is set to 95-175 deg.. In this embodiment, the width W21 of bottom edge 1221 of second plate 222 is between 2mm and 45 mm.
The thickness of the first heat exchanging fin 221 and the second heat exchanging fin 222 is designed to be 0.01mm-0.5mm, and the width is designed to be 5mm-50 mm. The height of the second heat transfer zone 24 accounts for 5% -40% of the sum of the heights of the first heat transfer zone 23 and the second heat transfer zone 24. Similar features are not described in detail.
In this embodiment, the distance between two adjacent second heat exchange fins 222 is designed to be smaller than the distance between two adjacent first heat exchange fins 221, that is, the setting density of the second heat exchange fins 222 is greater than the setting density of the first heat exchange fins 23, so that the heat exchange capability of the second heat exchange region 24 is greater than the heat exchange capability of the first heat exchange region 23.
The heat exchanger can be applied to an indoor unit of an air conditioner, and specifically refer to fig. 6, where fig. 6 is a schematic structural diagram of the indoor unit of the air conditioner. The air-conditioning indoor unit 300 of this embodiment includes a casing 31 and a heat exchanger 32, and the heat exchange capacity of the second heat exchange area 322 in the heat exchanger 32 is greater than the heat exchange capacity of the first heat exchange area 321, which may be specifically the heat exchanger 100 or 200 described above.
The housing 31 includes a front panel 311 and a back panel 312 oppositely disposed along a first direction X, and an upper panel 313 and a lower panel 314 oppositely disposed along a second direction Y, wherein an air inlet region 315 is disposed on the front panel 311, and an air outlet region 316 is disposed on the lower panel 314.
The heat exchanger 32 is arranged between the front panel 311 and the back panel 312, the distance between the heat exchanger and the front panel 311 is 0.5mm-5mm, and the distance between the heat exchanger and the upper side plate 313 is 0.5mm-5mm, so that the thickness of an air duct for cold air flowing is ensured, and cold air deposition is facilitated.
For the heat exchanger 100 shown in fig. 1, when the heat exchanger is applied to this embodiment, a fan is disposed in the casing 31 of this embodiment, and the second heat exchange area 322 is disposed corresponding to the fan, so that the heat exchange area is correspondingly increased because strong convection is formed at the fan.
As for the heat exchanger 200 of the embodiment shown in fig. 2, when applied to this embodiment, as shown in fig. 7, fig. 7 is a schematic structural diagram of an air conditioning indoor unit to which the heat exchanger of the embodiment shown in fig. 3 is applied, a first heat exchange area 321 is disposed opposite to an air intake area 315, and a part of a second heat exchange area 322 is located between a lower edge of the air intake area 315 and a lower side plate 314. In this embodiment, the indoor unit 300 utilizes natural convection to cool, air enters from the air inlet region 315 and is condensed by the heat exchanger 32 to form cold air, and the cold air sinks and is discharged from the air outlet region 316. Since the cool air is discharged from the air outlet area 316 of the lower side plate 314, a large amount of air is introduced into the lower area of the air inlet area 315 near the lower side plate 314, and thus the lower area of the air inlet area 315 needs to correspond to a heat exchange area with a strong heat exchange capability, i.e., the second heat exchange area 322. In order to ensure that the air entering the air inlet region 315 is heat exchanged, a portion of the second heat exchange region 322 is located between the lower edge of the air inlet region 315 and the lower side plate 314.
A water collecting tank 33 is further arranged below the heat exchanger 32, wherein the width of the water collecting tank 33 is slightly larger than that of the bottom edge of the heat exchange sheet so as to collect condensed water.
The air-conditioning indoor unit 300 of the embodiment can realize balanced heat exchange, and avoid the problem of excessive heat exchange capacity or insufficient heat exchange capacity in partial areas.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.
Claims (10)
1. A heat exchanger for an indoor unit of an air conditioner, comprising:
the heat exchange pipelines are arranged side by side and at intervals along a first interval direction;
the heat exchange fin group is divided into a first heat exchange region and a second heat exchange region, a plurality of first heat exchange fins are arranged in the first heat exchange region at intervals along a second interval direction crossed with the first interval direction, and the heat exchange pipelines in the first heat exchange region are sleeved with the first heat exchange fins;
a plurality of second heat exchange fins are arranged in the second heat exchange area at intervals along the second interval direction and sleeved on the heat exchange pipeline in the second heat exchange area;
the first heat exchange plates are arranged in the first spacing direction, the second heat exchange plates are arranged in the second spacing direction, and the first heat exchange plates are arranged in the second spacing direction.
2. The heat exchanger of claim 1, wherein a portion of the second plate is integral with the first plate.
3. The heat exchanger of claim 2, wherein each of the first plates is integrally formed with one of the second plates, and at least one of the second plates not integrally formed with the first plate is disposed between two adjacent second plates integrally formed with the first plate.
4. The heat exchanger of claim 1, wherein the first heat transfer zone and the second heat transfer zone are divided along a second spacing direction, and wherein a length of the first fins in the first spacing direction is equal to a length of the second fins in the first spacing direction.
5. The heat exchanger of claim 4, wherein a ratio of the first pitch to the second pitch is greater than 1 and less than or equal to 2.5.
6. The heat exchanger of claim 1, wherein the first heat transfer zone and the second heat transfer zone are divided along a first spaced direction; the first heat exchange area is provided with a first height in the first interval direction, the second heat exchange area is provided with a second height in the first interval direction, and the second height accounts for 5% -40% of the sum of the first height and the second height.
7. The heat exchanger of claim 6, wherein a chamfered edge is provided between a bottom edge of the second plate remote from the first plate and a side edge in the first spaced direction.
8. The heat exchanger of claim 1, wherein the first plate has a first width in a direction perpendicular to the first spacing direction and the second spacing direction, and the second plate has a second width in the perpendicular direction, the first width being equal to the second width.
9. The heat exchanger of claim 8, wherein the first width and the second width are each 5mm to 50 mm.
10. An air conditioning indoor unit, characterized in that, the air conditioning indoor unit includes:
the air conditioner comprises a shell, a fan and a controller, wherein the shell comprises a front panel and a back panel which are oppositely arranged along a first direction, and an upper side plate and a lower side plate which are oppositely arranged along a second direction, an air inlet area is arranged on the front panel, and an air outlet area is arranged on the lower side plate;
a heat exchanger disposed between the front and back panels, the heat exchanger being as claimed in any one of claims 1 to 9.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922181634.2U CN211925909U (en) | 2019-12-06 | 2019-12-06 | Heat exchanger for air conditioner indoor unit and air conditioner indoor unit |
| PCT/CN2020/133950 WO2021110144A1 (en) | 2019-12-06 | 2020-12-04 | Heat exchange device and refrigerant circulation system |
| AU2020394759A AU2020394759B2 (en) | 2019-12-06 | 2020-12-04 | Heat exchange device and refrigerant circulation system |
| EP20895797.7A EP4023957A4 (en) | 2019-12-06 | 2020-12-04 | Heat exchange device and refrigerant circulation system |
| PCT/CN2020/133951 WO2021110145A1 (en) | 2019-12-06 | 2020-12-04 | Heat exchange device and refrigerant circulation system |
| US17/718,179 US20220268453A1 (en) | 2019-12-06 | 2022-04-11 | Heat Exchange Device and Refrigerant Circulation System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922181634.2U CN211925909U (en) | 2019-12-06 | 2019-12-06 | Heat exchanger for air conditioner indoor unit and air conditioner indoor unit |
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| Publication Number | Publication Date |
|---|---|
| CN211925909U true CN211925909U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922181634.2U Active CN211925909U (en) | 2019-12-06 | 2019-12-06 | Heat exchanger for air conditioner indoor unit and air conditioner indoor unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021110144A1 (en) * | 2019-12-06 | 2021-06-10 | 广东美的白色家电技术创新中心有限公司 | Heat exchange device and refrigerant circulation system |
-
2019
- 2019-12-06 CN CN201922181634.2U patent/CN211925909U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021110144A1 (en) * | 2019-12-06 | 2021-06-10 | 广东美的白色家电技术创新中心有限公司 | Heat exchange device and refrigerant circulation system |
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