CN109813146A - Fin, heat exchanger and air-conditioner outdoor unit for heat exchanger - Google Patents
Fin, heat exchanger and air-conditioner outdoor unit for heat exchanger Download PDFInfo
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- CN109813146A CN109813146A CN201910233819.5A CN201910233819A CN109813146A CN 109813146 A CN109813146 A CN 109813146A CN 201910233819 A CN201910233819 A CN 201910233819A CN 109813146 A CN109813146 A CN 109813146A
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- 238000001816 cooling Methods 0.000 claims abstract description 96
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 abstract description 24
- 230000001681 protective effect Effects 0.000 description 43
- 238000013019 agitation Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a kind of fins, heat exchanger and air-conditioner outdoor unit for heat exchanger, and the fin includes: linkage section；At least one cooling fin, the cooling fin is connected with the linkage section, one end far from the linkage section of the cooling fin is windward side, at least one described cooling fin is equipped with multiple flow-disturbing holes, multiple flow-disturbing holes are from the windward side to setting spaced apart on the direction of the linkage section, the cooling fin is run through in each flow-disturbing hole on the thickness direction of the cooling fin, on from the windward side to the direction of the linkage section, the distance between described flow-disturbing hole of adjacent two is gradually reduced.The coefficient of heat transfer of fin according to the present invention for heat exchanger, the fin is high, is conducive to the heat exchange efficiency for improving heat exchanger.
Description
Technical field
The present invention relates to field of air conditioning, more particularly, to a kind of fin, heat exchanger and air-conditioner outdoor unit for heat exchanger.
Background technique
In the related technology, the coefficient of heat transfer of the fin of heat exchanger is low, reduces the exchange capability of heat of entire heat exchanger, and
Under the background of efficiency upgrading, cost pressure is gradually increased, and in a limited space and under the limitation of material, how to improve changing for fin
The technical issues of hot coefficient is those skilled in the art's urgent need to resolve.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the invention proposes one kind
For the fin of heat exchanger, the coefficient of heat transfer of the fin is high, is conducive to the heat exchange efficiency for improving heat exchanger.
The invention also provides a kind of heat exchangers with above-mentioned fin.
The invention also provides a kind of air-conditioner outdoor units with above-mentioned heat exchanger.
Fin according to an embodiment of the present invention for heat exchanger, comprising: linkage section；At least one cooling fin, it is described to dissipate
Backing is connected with the linkage section, and one end far from the linkage section of the cooling fin is windward side, at least one is described scattered
Backing is equipped with multiple flow-disturbing holes, and multiple flow-disturbing holes are opened up from the windward side to being spaced on the direction of the linkage section
It sets, the cooling fin is run through in each flow-disturbing hole on the thickness direction of the cooling fin, from the windward side to described
On the direction of linkage section, the distance between described flow-disturbing hole of adjacent two is gradually reduced.
Fin according to an embodiment of the present invention for heat exchanger, on the direction from windward side to linkage section, by making
The spacing obtained between two adjacent flow-disturbing holes is gradually reduced, can be into one during air-flow flows to linkage section from windward side
Step destroys effect of boundary layer and incrementally increases air agitation, simultaneously, it is possible to increase the airflow area of windward side is effectively reduced
The windage of windward side, reduces the pressure loss of air-flow, so that the coefficient of heat transfer of fin can be improved, and then improves the heat exchange of heat exchanger
Ability, so that heat exchanger can adapt to the requirement of efficiency upgrading.
In some embodiments of the invention, in three of the arbitrary neighborhood flow-disturbing holes, it is located in the middle the flow-disturbing
Hole is d1 with the distance between the flow-disturbing hole for being located at upstream, is located in the middle the flow-disturbing hole and disturbs with the described of downstream is located at
The distance between discharge orifice is d2, d2 < 0.5d1.
Optionally, each flow-disturbing hole extends along the width direction of the cooling fin, positioned at the flow-disturbing hole of upstream
Length be not more than positioned at downstream the flow-disturbing hole length.
In some optional embodiments of the invention, in the multiple flow-disturbing hole two farthest flow-disturbing holes of distance
Respectively the first flow-disturbing hole and the second flow-disturbing hole, first flow-disturbing hole are located at the upstream in second flow-disturbing hole, and described second
The length in flow-disturbing hole is greater than the length in first flow-disturbing hole, and the length in remaining flow-disturbing hole is between second flow-disturbing hole
Between length and the length in first flow-disturbing hole.
In some embodiments of the invention, at least one described flow-disturbing hole includes multiple sub- flow-disturbing holes, multiple sons
Flow-disturbing hole is arranged along the spaced apart width wise of the cooling fin.
In some embodiments of the invention, the width in flow-disturbing hole described in any two is equal.
In some embodiments of the invention, at least side side wall packet in the width direction of at least one cooling fin
Flat segments and guiding surface section are included, the flat segments are connected between the guiding surface section and the linkage section, from described
On linkage section to the direction of the windward side, the guiding surface section is tilted towards reference line to be extended, wherein the reference line position
In the cooling fin and the reference line it is equal to the distance between the two sides side wall of width direction of the cooling fin.
In some embodiments of the invention, the cooling fin is multiple, and multiple cooling fins are along the linkage section
Length direction is spaced apart setting, and two adjacent cooling fins and the linkage section limit the card slot for installing flat tube.
Optionally, the specification of each cooling fin is identical.
At least side in some optional embodiments of the invention, in the width direction of at least one cooling fin
Side wall is equipped with flange, and the flange is connected with the corresponding flat tube.
Optionally, the two sides side wall in the width direction of each cooling fin is respectively equipped with the flange.
In some optional embodiments of the invention, the flange prolongs equipped with the direction for being directed away from the cooling fin
The retaining part stretched.
Optionally, the multiple flow-disturbing hole is arranged adjacent to the windward side.
Heat exchanger according to an embodiment of the present invention, comprising: the first header and the second header, first header and
The setting of second header interval；Multiple flat tubes, multiple flat tubes are arranged along the length direction interval of first header, often
The both ends of a flat tube are connected with first header and second header respectively；Above-mentioned fin, the fin
With each flat tube face contact.
Heat exchanger according to an embodiment of the present invention flows to linkage section from windward side in air-flow by the way that above-mentioned fin is arranged
During, it can further destroy effect of boundary layer and incrementally increase air agitation, simultaneously, it is possible to increase the airflow of windward side
Area is effectively reduced the windage of windward side, reduces the pressure loss of air-flow, so that the coefficient of heat transfer of fin can be improved, in turn
The exchange capability of heat of heat exchanger is improved, so that heat exchanger can adapt to the requirement of efficiency upgrading, and passes through fin and each flat tube
Between face contact, advantageously ensure that the bonding strength between flat tube and fin, reduce the thermal resistance between flat tube and fin, thus into
The heat exchange efficiency of one step raising heat exchanger.
In some embodiments of the invention, the cooling fin is multiple, and multiple cooling fins are along the linkage section
Length direction is spaced apart setting, and two adjacent cooling fins and the linkage section limit the card for installing the flat tube
Slot, the two sides side wall in the width direction of the cooling fin are respectively equipped with flange so that the fin connects with the flat tube face
Touching.
Optionally, the flange, which is equipped with, is directed away from the retaining part that the direction of the cooling fin extends, arbitrary neighborhood
In two fins, the retaining part on one of them described fin is suitable for only supporting to fin described in another with will be adjacent
Two fins positioning.
Air-conditioner outdoor unit according to an embodiment of the present invention, including according to above-mentioned heat exchanger.
Air-conditioner outdoor unit according to an embodiment of the present invention, by the way that above-mentioned heat exchanger is arranged, in air-flow from windward side stream
During linkage section, it can further destroy effect of boundary layer and incrementally increase air agitation, simultaneously, it is possible to increase windward side
Airflow area is effectively reduced the windage of windward side, reduces the pressure loss of air-flow, so that the heat exchange system of fin can be improved
Number, and then the exchange capability of heat of heat exchanger is improved, improve the efficiency of air-conditioner outdoor unit.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the planar structure schematic diagram of fin according to an embodiment of the present invention；
Fig. 2 is the partial enlargement diagram in Fig. 1 at A；
Fig. 3 is the schematic side view of Fig. 1；
Fig. 4 is the partial enlargement diagram in Fig. 3 at B；
Fig. 5 is the stereoscopic schematic diagram of fin according to an embodiment of the present invention；
Fig. 6 is the partial enlargement diagram in Fig. 5 at C；
Fig. 7 is the partial enlargement diagram in Fig. 5 at D；
Fig. 8 is the structural schematic diagram of heat exchanger according to an embodiment of the present invention；
Fig. 9 is the partial enlargement diagram in Fig. 8 at E；
Figure 10 is the schematic front view of heat exchanger according to an embodiment of the present invention；
Figure 11 is the schematic cross-sectional view in Figure 10 at F-F；
Figure 12 is the schematic top plan view of heat exchanger according to an embodiment of the present invention；
Figure 13 is the structural schematic diagram of air-conditioner outdoor unit according to an embodiment of the present invention.
Appended drawing reference:
Air-conditioner outdoor unit 1000；
Heat exchanger 100；
Fin 10；
Linkage section 1；Corrugated part 11；
Cooling fin 2；
Flow-disturbing hole 21；First flow-disturbing hole 211；Sub- flow-disturbing hole 211a；Third flow-disturbing hole 212；
4th flow-disturbing hole 213；Second flow-disturbing hole 214；
Windward side 22；Flat segments 23；Guiding surface section 24；
Card slot 25；Flange 26；Retaining part 261；
Escape groove 27；First flange 271；
Deep gouge 28；Second flange 281；
First header 20；
Second header 30；
Flat tube 40；
First protective plate 50；
Second protective plate 60；
Casing 200；
Compressor 300；
Fan assembly 400.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The instruction such as " thickness ", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, defining " first ", the feature of " second " can be expressed or impliedly
Including one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Below with reference to the accompanying drawings fin 10 according to an embodiment of the present invention for heat exchanger 100 is described.
As depicted in figs. 1 and 2, the fin 10 according to an embodiment of the present invention for heat exchanger 100 may include: connection
Section 1 and at least one cooling fin 2, cooling fin 2 are connected with linkage section 1, and one end of the separate linkage section 1 of cooling fin 2 is windward side
22, at least one cooling fin 2 is equipped with multiple flow-disturbing holes 21.Wherein, when cooling fin 2 is one, a cooling fin 2 is equipped with
Flow-disturbing hole 21, when cooling fin 2 is multiple, at least one cooling fin 2 in multiple cooling fins 2 is equipped with flow-disturbing hole 21.
As depicted in figs. 1 and 2, multiple flow-disturbing holes 21 are arranged from windward side 22 to spaced apart on the direction of linkage section 1, often
Cooling fin 2 is run through in a flow-disturbing hole 21 on the thickness direction of cooling fin 2, adjacent on from windward side 22 to the direction of linkage section 1
The distance between two flow-disturbing holes 21 be gradually reduced, that is to say, that in three flow-disturbing holes 21 of arbitrary neighborhood, be located in the middle
Flow-disturbing hole 21 is greater than the flow-disturbing for being located in the middle flow-disturbing hole 21 and being located at downstream with the distance between the flow-disturbing hole 21 for being located at upstream
The distance between hole 21.
It is understood that with it is traditional equidistantly open the fin in flow-disturbing hole compared with, the gross area in flow-disturbing hole is constant
In the case of, by being gradually reduced the spacing between two adjacent flow-disturbing holes 21, flows to and connect from windward side 22 in air-flow
During section 1, it can further destroy effect of boundary layer and increase air agitation, according to the dimensionless surface coefficient of heat transfer j factor
Expression formula:Air agitation increases, and the reynolds number Re of air reduces, and in the case where perforated area is constant, can increase
The airflow area of big windward side 22, reduces the pressure loss of air-flow, air side wind loss is reduced, to improve fin 10
The coefficient of heat transfer, and then improve heat exchanger 100 exchange capability of heat so that heat exchanger 100 can adapt to efficiency upgrading requirement.
Fin 10 according to an embodiment of the present invention for heat exchanger 100, from windward side 22 to the direction of linkage section 1
On, by being gradually reduced the spacing between two adjacent flow-disturbing holes 21, linkage section 1 is flowed to from windward side 22 in air-flow
In the process, it can further destroy effect of boundary layer and incrementally increase air agitation, simultaneously, it is possible to increase the airflow of windward side 22
Area is effectively reduced the windage of windward side 22, reduces the pressure loss of air-flow, so that the coefficient of heat transfer of fin 10 can be improved,
And then the exchange capability of heat of heat exchanger 100 is improved, so that heat exchanger 100 can adapt to the requirement of efficiency upgrading.
In some embodiments of the invention, referring to shown in Fig. 2, in three flow-disturbing holes 21 of arbitrary neighborhood, it is located at centre
Flow-disturbing hole 21 with the distance between the flow-disturbing hole 21 for being located at upstream be d1, be located in the middle flow-disturbing hole 21 and disturbing positioned at downstream
The distance between discharge orifice 21 is d2, d2 < 0.5d1.It, can be into one during air-flow flows to linkage section 1 from windward side 22 as a result,
Step destroys effect of boundary layer and further increases air agitation, to can further improve the coefficient of heat transfer of fin 10, Jin Erti
The exchange capability of heat of high heat exchanger 100.For example, d2/d1 can be 0.2,0.25,0.3,0.35,0.4 or 0.45, about d2/d1's
Specific value can adjusted design according to actual needs.It is understood that the distance between three flow-disturbing holes 21 of arbitrary neighborhood
Variation can be linearly or nonlinearly, according to dimensionless surface coefficient of heat transfer j factor relationships formula, can calculate obtain it is optimal
Distance change value, so that boundary layer perturbation is optimal, air side pressure loss and heat exchange reach equalization point.
In some instances, as shown in Fig. 2, cooling fin 2 includes four flow-disturbing holes 21 and respectively the first flow-disturbing hole 211,
Third flow-disturbing hole 212, the 4th flow-disturbing hole 213, the second flow-disturbing hole 214, the first flow-disturbing hole 211, third flow-disturbing hole the 212, the 4th are disturbed
Discharge orifice 213, the second flow-disturbing hole 214 are from windward side 22 to being spaced setting on the direction of linkage section 1, the first flow-disturbing hole 211 and the
The distance between three flow-disturbing holes 212 are D1, and the distance between third flow-disturbing hole 212 and the 4th flow-disturbing hole 213 are D2, third flow-disturbing
The distance between hole 212 and the 4th flow-disturbing hole 213 are D3, are met between D1, D2 and D3, D1 > D2 and D3 < 0.5D2.
Optionally, as shown in Fig. 2, each flow-disturbing hole 21 extends along the width direction of cooling fin 2, positioned at the flow-disturbing hole of upstream
21 length is not more than the length positioned at the flow-disturbing hole 21 in downstream.Thus, it is possible to realize the gas for increasing the windward side 22 of fin 10
The circulation area of stream can be effectively reduced windward side windage in this way, reduce the pressure loss of air-flow, further increase fin 10
The coefficient of heat transfer.
In some optional embodiments of the invention, as shown in Fig. 2, two that distance is farthest in multiple flow-disturbing holes 21 are disturbed
Discharge orifice 21 is respectively the first flow-disturbing hole 211 and the second flow-disturbing hole 214, and the first flow-disturbing hole 211 is located at the upper of the second flow-disturbing hole 214
Trip, the length in the second flow-disturbing hole 214 are greater than the length in the first flow-disturbing hole 211, and the length in remaining flow-disturbing hole 21 is between the second flow-disturbing
Between the length in hole 214 and the length in the first flow-disturbing hole 211.The gross area in multiple flow-disturbing holes 21 is advantageously ensured that as a result, simultaneously
During air-flow flows to linkage section 1 from windward side 22, it is possible to increase the airflow area of windward side 22 is effectively reduced and meets
The windage at wind end 22, reduces the pressure loss of air-flow, to can further improve the coefficient of heat transfer of fin 10.
In some embodiments of the invention, referring to shown in Fig. 2, at least one flow-disturbing hole 21 includes multiple sub- flow-disturbing holes
211a, multiple sub- flow-disturbing hole 211a are arranged along the spaced apart width wise of cooling fin 2.It as a result, can be according to the specification type of cooling fin 2
The quantity of number selection sub- flow-disturbing hole 211a that includes of flow-disturbing hole 21, to be conducive to the base in the structural strength for guaranteeing cooling fin 2
On plinth, the coefficient of heat transfer of fin 10 is improved, and then improve the heat exchanger efficiency of heat exchanger 100.
Wherein it is possible to which the upper flow-disturbing hole 21 for being cooling fin 2 includes multiple sub- flow-disturbing hole 211a, for example, sub- flow-disturbing
Hole 211a can be two, three or four, and multiple sub- flow-disturbing hole 211a are arranged along the spaced apart width wise of cooling fin 2, more
The cross-sectional area of a sub- flow-disturbing hole 211a may be the same or different, can about sub- flow-disturbing hole 211a particular number and size
According to the specifications and models adjusted design of cooling fin 2；Alternatively, being also possible to two or more flow-disturbing holes on cooling fin 2
21 include multiple sub- flow-disturbing hole 211a, and multiple sub- flow-disturbing hole 211a are arranged along the spaced apart width wise of cooling fin 2.
For example, in some instances, as shown in Fig. 2, cooling fin 2 includes four flow-disturbing holes 21 and respectively the first flow-disturbing hole
211, third flow-disturbing hole 212, the 4th flow-disturbing hole 213 and the second flow-disturbing hole 214, the first flow-disturbing hole 211, third flow-disturbing hole 212,
Four flow-disturbing holes 213 and the second flow-disturbing hole 214 are from windward side 22 to interval setting, the first flow-disturbing hole 211 on the direction of linkage section 1
Including two sub- flow-disturbing hole 211a, and the length in the first flow-disturbing hole 211 is less than the length in the second flow-disturbing hole 214, third flow-disturbing hole
212 and the 4th flow-disturbing hole 213 equal length and between the first flow-disturbing hole 211 and the length in the second flow-disturbing hole 214, by
This, it is easy to process, and be conducive to increase the airflow area of windward side 22, to improve the coefficient of heat transfer of cooling fin 2.
In some embodiments of the invention, as shown in Fig. 2, the width in any two flow-disturbing hole 21 is equal.It is convenient for as a result,
Multiple flow-disturbing holes 21 are opened up on cooling fin 2, advantageously reduce production cost.
In some embodiments of the invention, as shown in Fig. 2, in the width direction of at least one cooling fin 2 at least one
Side side wall includes flat segments 23 and guiding surface section 24, and flat segments 23 are connected between guiding surface section 24 and linkage section 1, from
On linkage section 1 to the direction of windward side 22, guiding surface section 24 is tilted towards reference line to be extended, wherein reference line is located at heat dissipation
Piece 2 and reference line is equal to the distance between the two sides side wall of width direction of cooling fin 2, for example, reference line is shown in Fig. 2
Straight line L.As a result, during heat exchanger 100 works, 10 surface of fin condenses out droplet, and droplet passes through guiding surface
Section 24 flows downward to be discharged from heat exchanger 100, convenient for the condensed water on discharge fin 10, is conducive to improve changing for heat exchanger 100
The thermal efficiency.
Optionally, as shown in Fig. 2, the angle α between guiding surface section 24 and linkage section 1 is between 120 ° -160 °, example
Such as, α can be 125 °, 130 °, 135 °, 140 °, 145 ° or 155 °.
In some instances, as shown in Fig. 2, the two sides side wall in the width direction of each cooling fin 2 includes flat segments
23 and guiding surface section 24, flat segments 23 be connected between guiding surface section 24 and linkage section 1, be conducive to further increase as a result,
The drainability of strong fin 10 especially works as heat exchanger 100 under low-temperature heating operating condition, is conducive to the frosting for improving heat exchanger 100
Defrost, to improve the heat exchange efficiency of heat exchanger 100
In some embodiments of the invention, as shown in Figure 5 and Figure 6, cooling fin 2 is multiple, and multiple cooling fins 2 are along connection
The length direction of section 1 is spaced apart setting, and two adjacent cooling fins 2 and linkage section 1 limit the card slot for installing flat tube 40
25.Wherein, multiple card slots 25 are corresponded with multiple flat tubes 40 cooperates.Pass through multiple card slots 25 and multiple flat tubes 40 1 as a result,
One corresponding matching is conducive to improve the reliability connected between fin 10 and flat tube 40.
Optionally, as shown in Figure 5 and Figure 6, the specification of each cooling fin 2 is identical, in other words, the shape of each cooling fin 2
With all be the same size, advantageously reduce the production and processing cost of fin 10 as a result,.
In some optional embodiments of the invention, as shown in fig. 6, in the width direction of at least one cooling fin 2
At least side side wall is equipped with flange 26, and in other words, the side side wall in the width direction of at least one cooling fin 2, which is equipped with, to be turned over
Side 26, alternatively, be equipped with flange 26 on two sides side wall in the width direction of cooling fin 2, flange 26 and corresponding 40 phase of flat tube
Even.As a result, when fin 10 is installed to heat exchanger 100, be conducive to the connection area for increasing card slot 25 and corresponding flat tube 40,
To be conducive to the reliability that raising flat tube 40 is connect with card slot 25, facilitate welding, while being conducive to reduce fin 10 and flat tube
Thermal resistance between 40, convenient for heat transfer, to be conducive to improve the heat exchange efficiency of heat exchanger 100.
Optionally, as shown in Figure 3 and Figure 4, the two sides side wall in the width direction of each cooling fin 2 is respectively equipped with flange
26.Be conducive to further increase the connection area of card slot 25 with corresponding flat tube 40 as a result, thus be conducive to improve flat tube 40 with
The reliability that card slot 25 connects is conducive to the heat exchange efficiency for improving heat exchanger 100 to facilitate welding and heat transfer.
In some examples of the invention, as shown in fig. 7, being equipped with flange 26 on the entire side wall of cooling fin 2, that is,
It says, two sides side wall in the width direction of cooling fin 2 and is open on opposite side wall with card slot 25 and is equipped with flange 26, by
This, is conducive to the connection area for further increasing card slot 25 with corresponding flat tube 40, to be conducive to improve flat tube 40 and card slot
The reliability of 25 connections, further facilitates welding and heat transfer, is conducive to the heat exchange efficiency for improving heat exchanger 100.
In some optional embodiments of the invention, as shown in fig. 6, flange 26, which is equipped with, is directed away from cooling fin 2
The retaining part 261 that direction extends.As a result, when fin 10 is installed to heat exchanger 100, retaining part 261 can be supported only to adjacent
Fin 10 guarantees the consistency of a pitch of fins for fin 10, to advantageously ensure that the spacing between adjacent fins 10 so as to improve
Wind field distribution, promotes the uniformity of the heat transfer air quantity of heat exchanger 100, while being conducive to be promoted the aesthetics of 100 appearance of heat exchanger.
It is understood that the height of retaining part 261 and position can adjusted design according to the actual situation, the retaining part on card slot 25
In the same size, the corresponding heat exchange air quantity of the height of different retaining parts 261 and the heat transfer efficiency of 261 10 pitch of fins of height and fin
It is different.Optionally, retaining part 261 can be multiple.
In some instances, as shown in Figure 5 and Figure 6, fin 10 includes linkage section 1 and multiple fins 10, multiple cooling fins 2
It is spaced apart setting along the length direction of linkage section 1, two adjacent cooling fins 2 and linkage section 1 are limited for installing flat tube 40
Card slot 25, the two sides side wall in the width direction of each cooling fin 2 is respectively equipped with flange 26, flange 26 and corresponding flat tube 40
It is connected, on the length direction of fin 10, the flange 26 of a card slot 25 in two adjacent card slots 25 is equipped with retaining part
261.As a result, when fin 10 is installed to heat exchanger 100, retaining part 261 can support and only arrive adjacent fin 10, to be conducive to
Guarantee the spacing between adjacent fins 10, guarantee the consistency of a pitch of fins for fin 10, so as to improve wind field distribution, promotes heat exchange
The uniformity of the heat transfer air quantity of device 100, while being conducive to be promoted the aesthetics of 100 appearance of heat exchanger, while advantageously reducing life
Produce cost.
Optionally, multiple flow-disturbing holes 21 are arranged adjacent to windward side 22.Linkage section 1 is flowed to from windward side 22 in air-flow as a result,
During, it can further destroy effect of boundary layer and incrementally increase air agitation, simultaneously, it is possible to increase the air-flow stream of windward side 22
Logical area, is effectively reduced the windage of windward side 22, reduces the pressure loss of air-flow, so that the heat exchange system of fin 10 can be improved
Number, and then the exchange capability of heat of heat exchanger 100 is improved, so that heat exchanger 100 can adapt to the requirement of efficiency upgrading.
In some embodiments of the invention, as shown in Fig. 2, fin 10 further includes corrugated part 11, from windward side 22 to
On the direction of linkage section 1, corrugated part 11 is located at the downstream in multiple flow-disturbing holes 21, and when heat exchanger 100 works, air-flow is from windward side
22 enter and flow out from corrugated part 11.
As shown in figure 8, heat exchanger 100 according to an embodiment of the present invention, may include the first header 20, the second header
30, multiple flat tubes 40 and fin according to the above embodiment of the present invention 10, the first header 20 and the second header 30 interval are set
Set, multiple flat tubes 40 along the first header 20 length direction interval be arranged, the both ends of each flat tube 40 respectively with the first afflux
Pipe 20 is connected with the second header 30, fin 10 and each 40 face contact of flat tube.It is understood that flat tube 40 is heat exchanger tube,
The thickness of flat tube 40 is less than the width of flat tube 40.Wherein, flat tube 40 can be formed as Straight or bending is tubular.
Heat exchanger 100 according to an embodiment of the present invention, by the way that fin 10 according to the above embodiment of the present invention is arranged, in gas
During stream flows to linkage section 1 from windward side 22, it can further destroy effect of boundary layer and incrementally increase air agitation, together
When, it is possible to increase the airflow area of windward side 22 is effectively reduced the windage of windward side 22, reduces the pressure loss of air-flow,
To which the coefficient of heat transfer of fin 10 can be improved, and then the exchange capability of heat of heat exchanger 100 is improved, so that heat exchanger 100 can adapt to
The requirement of efficiency upgrading, and by face contact between fin 10 and each flat tube 40, advantageously ensure that flat tube 40 and fin 10
Between bonding strength, reduce the thermal resistance between flat tube 40 and fin 10, to further increase the heat exchange effect of heat exchanger 100
Rate.
It in some embodiments of the invention, as shown in figure 11, is reference perpendicular to the plane of the length direction of flat tube 40
Plane, projection of the windward side 22 of fin 10 in reference planes are overlapped with the projection of header planar.For example, such as Figure 11
Shown in 12, in the width direction of fin 10, the windward side 22 of fin 10 is without departing from the first header 20 and the second header
30 side.Be conducive to avoid as a result, that reviewing occurs in production or assembling process, to can avoid the pressure loss of air side
Increase, guarantees the heat exchange property of heat exchanger 100.
In some optional embodiments of the invention, as shown in fig. 6, cooling fin 2 be it is multiple, multiple cooling fins 2 along even
The length direction for connecing section 1 is spaced apart setting, and two adjacent cooling fins 2 and linkage section 1 limit the card slot for installing flat tube
25, the two sides side wall in the width direction of cooling fin 2 is respectively equipped with flange 26 so that fin 10 and 40 face contact of flat tube.By
This, is conducive to the connection area for increasing card slot 25 and corresponding flat tube 40, connect to be conducive to raising flat tube 40 with card slot 25
Reliability, facilitate welding, while being conducive to further decrease the thermal resistance between fin 10 and flat tube 40, convenient for heat transfer, thus
Be conducive to improve the heat exchange efficiency of heat exchanger 100.
Optionally, as shown in fig. 6, flange 26, which is equipped with, is directed away from the retaining part 261 that the direction of cooling fin 2 extends, appoint
In two fins 10 for anticipating adjacent, retaining part 261 on one of fin 10 is suitable for only supporting to another fin 10 with by phase
Adjacent two fins 10 positioning.The spacing between adjacent fins 10 is advantageously ensured that as a result, guarantees the consistent of a pitch of fins for fin 10
Property, so as to improve wind field distribution, the uniformity of the heat transfer air quantity of heat exchanger 100 is promoted, while being conducive to promote heat exchanger 100
The aesthetics of appearance.
In some embodiments of the invention, as shown in figure 9, heat exchanger 100 further includes the first protective plate 50, the first protection
Plate 50 is located at the top of heat exchanger 100, and the roof of at least two adjacent fins 10 is respectively equipped with escape groove 27, and escape groove 27 exists
Run through fin 10 on the thickness direction of corresponding fin 10, the first protective plate 50 be located at escape groove 27 and with each 27 phase of escape groove
Even.As a result, by making the first protective plate 50 be located at escape groove 27 and be connected with each escape groove 27, produced in heat exchanger 100
In process and transportational process, by the protective action of the first protective plate 50,10 reviewing of fin being beneficial to prevent on flat tube 40,
To guarantee the smooth draining of fin 10, be conducive to the heat exchange efficiency for improving heat exchanger 100.For example, the first protective plate 50 is formed as
Hollow flat tube, the first protective plate 5 have opposite the first side wall face and second side wall surface, the first side wall face and second sidewall
The area in face is respectively greater than the area for removing other side walls other than the first side wall face and second side wall surface of the first protective plate 5,
The first side wall face is connected to protect fin 4 with fin 10.
In some instances, as shown in fig. 6, the side wall of escape groove 27 being connected with the first protective plate 50 is turned over equipped with first
Side 271, the first flange 271 extend on the thickness direction of fin 10, and the first flange 271 passes through welding phase with the first protective plate 50
Even, be thus conducive to the bonding strength for further increasing fin 10 and the first protective plate 50, so that the first protective plate 50 can be improved
Protective action.Certainly, the invention is not limited thereto, is also possible to the only side wall of escape groove 27 and is connected with the first protective plate 50.
In some embodiments of the invention, referring to Fig.1 shown in 3, top surface and 10 top surface of fin of the first protective plate 50
The rest part for removing escape groove 27 is concordant.Thus, on the one hand, advantageously ensure that outer surface and the fin 10 of the first protective plate 50
Sufficiently connection, to enhance the protective action of the first protective plate 50 and guarantee the reliability of structure of the end of fin 10, separately
On the one hand, the space hold on 10 length direction of fin for being conducive to reduce the first protective plate 50, is changed to be advantageously implemented
The miniaturization of hot device 100, while being conducive to improve the aesthetics of heat exchanger 100.
In some embodiments of the invention, referring to Fig.1 shown in 3,50 either flush of the first protective plate in or protrude from
The top surface of one header 20, and flush in or protrude from the top surface of the second header 30.As a result, in the transport of heat exchanger 100 and
In falling process, by the protective action of the first protective plate 50, the first header 20 and the second header 30 are advantageously reduced
Deformation.
In some embodiments of the invention, as shown in Figure 10, heat exchanger 100 further includes the second protective plate 60, and second is anti-
Backplate 60 is located at the bottom of heat exchanger 100, and the bottom wall of at least two adjacent fins 10 is respectively equipped with deep gouge 28, and deep gouge 28 is in phase
Run through fin 10 on the thickness direction for the fin 10 answered, the second protective plate 60 is located at deep gouge 28 and is connected with each deep gouge 28.By
This, by making the second protective plate 60 be located at deep gouge 28 and being connected with each deep gouge 28, in 100 production process of heat exchanger and fortune
During defeated, by the protective action of the second protective plate 60,10 reviewing of fin being beneficial to prevent on flat tube 40, to guarantee wing
The smooth draining of piece 10 is conducive to the heat exchange efficiency for improving heat exchanger 100.
In some instances, as shown in fig. 7, the side wall of deep gouge 28 being connected with the second protective plate 60 is equipped with the second flange
281, the second flange 281 extends on the thickness direction of fin 10, and the second flange 281 passes through welding phase with the second protective plate 60
Even, be thus conducive to the bonding strength for further increasing fin 10 and the second protective plate 60, so that the second protective plate 60 can be improved
Protective action.Certainly, the invention is not limited thereto, is also possible to the only side wall of deep gouge 28 and is connected with the second protective plate 60.
In some embodiments of the invention, referring to Fig.1 shown in 3, bottom surface and 10 bottom surface of fin of the second protective plate 60
The rest part for removing deep gouge 28 is concordant.Thus, on the one hand, advantageously ensure that the outer surface of the second protective plate 60 is filled with fin 10
Divide connection, thus enhance the protective action of the second protective plate 60 and guarantee the reliability of structure of the end of fin 10, it is another
Aspect is conducive to the space hold on 10 length direction of fin for reducing the second protective plate 60, to be advantageously implemented heat exchange
The miniaturization of device 100, while being conducive to improve the aesthetics of heat exchanger 100.
In some embodiments of the invention, referring to Fig.1 shown in 3,60 bottom surface of the second protective plate flushes in or protrudes from
The bottom surface of one header 20, and flush in or protrude from the bottom surface of the second header 30.As a result, in the transport of heat exchanger 100 and
In falling process, by the protective action of the second protective plate 60, the first header 20 and the second header 30 are advantageously reduced
Deformation.
Air-conditioner outdoor unit 1000 according to an embodiment of the present invention, including according to above-mentioned heat exchanger 100.
As shown in figure 13, air conditioner 100 includes air-conditioner outdoor unit 1000 and air conditioner indoor unit, and air-conditioner outdoor unit includes casing
200, compressor 300, fan assembly 400, heat exchanger 100 and four-way valve, heat exchanger 100, compressor 300 and fan assembly 400
It is each provided in casing 200, air conditioner indoor unit includes indoor heat exchanger.
Specifically, the air entry of compressor 300, the exhaust outlet of compressor 300, above-mentioned heat exchanger 100 one end and
One end of indoor heat exchanger is connected with four-way valve respectively, the other end of the other end of indoor heat exchanger and above-mentioned heat exchanger 100
Between be also connected with restricting element, to form refrigerant circulation flow path.Compressor 300 can drive refrigerant in refrigerant circulation stream
It circulates in road, 400 certain driving air-flow of fan assembly flows to heat exchanger 100, and the refrigerant in heat exchanger 100 is changed with the air-flow for flowing through it
Heat.
Air-conditioner outdoor unit 1000 according to an embodiment of the present invention, by the way that above-mentioned heat exchanger 100 is arranged, in air-flow from meeting
During wind end 22 flows to linkage section 1, it can further destroy effect of boundary layer and incrementally increase air agitation, meanwhile, it can increase
The airflow area of big windward side 22, is effectively reduced the windage of windward side 22, reduces the pressure loss of air-flow, so as to mention
The coefficient of heat transfer of high fin 10, and then the exchange capability of heat of heat exchanger 100 is improved, improve the efficiency of air-conditioner outdoor unit 1000.
Other compositions of air-conditioner outdoor unit 1000 according to an embodiment of the present invention such as fan assembly 400 and compressor 300
Deng and operation be all for those of ordinary skills it is known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (17)
1. a kind of fin for heat exchanger characterized by comprising
Linkage section；
At least one cooling fin, the cooling fin are connected with the linkage section, one far from the linkage section of the cooling fin
End be windward side, at least one described cooling fin be equipped with multiple flow-disturbing holes, multiple flow-disturbing holes from the windward side to
Setting is spaced apart on the direction of the linkage section, each flow-disturbing hole dissipates on the thickness direction of the cooling fin through described
Backing, on from the windward side to the direction of the linkage section, the distance between described flow-disturbing hole of adjacent two gradually subtracts
It is small.
2. the fin according to claim 1 for heat exchanger, which is characterized in that the flow-disturbing hole of three of arbitrary neighborhood
In, it is located in the middle the flow-disturbing hole and is located at the distance between described flow-disturbing hole of upstream for d1, be located in the middle described disturb
Discharge orifice is d2, d2 < 0.5d1 with the distance between the flow-disturbing hole for being located at downstream.
3. the fin according to claim 1 for heat exchanger, which is characterized in that each flow-disturbing hole is along the heat dissipation
The width direction of piece extends, and the length positioned at the flow-disturbing hole of upstream is not more than the length positioned at the flow-disturbing hole 21 in downstream
Degree.
4. the fin according to claim 3 for heat exchanger, which is characterized in that distance is farthest in the multiple flow-disturbing hole
Two flow-disturbing holes be respectively the first flow-disturbing hole and the second flow-disturbing hole, first flow-disturbing hole is located at second flow-disturbing hole
Upstream, the length in second flow-disturbing hole is greater than the length in first flow-disturbing hole, the length in remaining flow-disturbing hole between
Between the length in second flow-disturbing hole and the length in first flow-disturbing hole.
5. according to claim 1 be used for heat exchanger fin, which is characterized in that at least one described flow-disturbing hole includes multiple
Sub- flow-disturbing hole, multiple sub- flow-disturbing holes are arranged along the spaced apart width wise of the cooling fin.
6. the fin according to claim 1 for heat exchanger, which is characterized in that the width in flow-disturbing hole described in any two
It is equal.
7. the fin according to claim 1 for heat exchanger, which is characterized in that the width of at least one cooling fin
At least side side wall on direction includes flat segments and guiding surface section, and the flat segments are connected to the guiding surface section and institute
It states between linkage section, on from the linkage section to the direction of the windward side, the guiding surface section is tilted towards reference line
Extend, wherein the reference line be located at the cooling fin and the reference line to the cooling fin width direction two sides side
The distance between wall is equal.
8. the fin of heat exchanger is used for described in any one of -7 according to claim 1, which is characterized in that the cooling fin is more
It is a, multiple cooling fins along the linkage section length direction be spaced apart setting, two adjacent cooling fins with it is described
Linkage section limits the card slot for installing flat tube.
9. the fin according to claim 8 for heat exchanger, which is characterized in that the specification phase of each cooling fin
Together.
10. the fin according to claim 8 for heat exchanger, which is characterized in that the width of at least one cooling fin
At least side side wall spent on direction is equipped with flange, and the flange is connected with the corresponding flat tube.
11. the fin according to claim 10 for heat exchanger, which is characterized in that the width side of each cooling fin
Upward two sides side wall is respectively equipped with the flange.
12. the fin according to claim 10 for heat exchanger, which is characterized in that the flange is equipped with and is directed away from
The retaining part that the direction of the cooling fin extends.
13. the fin of heat exchanger is used for described in any one of -12 according to claim 1, which is characterized in that the multiple flow-disturbing
Hole is arranged adjacent to the windward side.
14. a kind of heat exchanger characterized by comprising
First header and the second header, first header and the setting of the second header interval；
Multiple flat tubes, multiple flat tubes are arranged along the length direction interval of first header, and the two of each flat tube
End is connected with first header and second header respectively；
Fin according to claim 1 to 13, the fin and the flat tube face contact.
15. heat exchanger according to claim 14, which is characterized in that the cooling fin is multiple, multiple cooling fins
Length direction along the linkage section is spaced apart setting, and two adjacent cooling fins are limited with the linkage section for pacifying
Fill the card slot of the flat tube, the two sides side wall in the width direction of the cooling fin be respectively equipped with flange so that the fin with
The flat tube face contact.
16. heat exchanger according to claim 15, which is characterized in that the flange is equipped with and is directed away from the cooling fin
The retaining part that extends of direction, in two fins of arbitrary neighborhood, the retaining part on one of them described fin is suitable
It supports to fin described in another in stopping to position two adjacent fins.
17. a kind of air-conditioner outdoor unit, which is characterized in that including heat exchanger described in any one of 4-16 according to claim 1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910233819.5A CN109813146B (en) | 2019-03-26 | 2019-03-26 | Fin for heat exchanger, heat exchanger and air conditioner outdoor unit |
| PCT/CN2019/097542 WO2020191965A1 (en) | 2019-03-26 | 2019-07-24 | Fin, heat exchanger, heat exchanger assembly and assembling method therefor, and air conditioner outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910233819.5A CN109813146B (en) | 2019-03-26 | 2019-03-26 | Fin for heat exchanger, heat exchanger and air conditioner outdoor unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109813146A true CN109813146A (en) | 2019-05-28 |
| CN109813146B CN109813146B (en) | 2024-05-14 |
Family
ID=66610302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910233819.5A Active CN109813146B (en) | 2019-03-26 | 2019-03-26 | Fin for heat exchanger, heat exchanger and air conditioner outdoor unit |
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| Country | Link |
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| CN (1) | CN109813146B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425904A (en) * | 2019-08-13 | 2019-11-08 | 青岛海信日立空调系统有限公司 | A kind of plate fin and micro-channel heat exchanger, air-conditioning |
| WO2020191965A1 (en) * | 2019-03-26 | 2020-10-01 | 美的集团武汉制冷设备有限公司 | Fin, heat exchanger, heat exchanger assembly and assembling method therefor, and air conditioner outdoor unit |
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| KR20140055945A (en) * | 2012-10-29 | 2014-05-09 | 삼성전자주식회사 | Heat exchanger |
| CN205066240U (en) * | 2015-08-12 | 2016-03-02 | 浙江康盛热交换器有限公司 | Heat pump idle call microchannel heat exchanger |
| CN208398703U (en) * | 2017-12-29 | 2019-01-18 | 浙江盾安热工科技有限公司 | A kind of inserted sheet heat exchanger and air conditioner |
| CN210119132U (en) * | 2019-03-26 | 2020-02-28 | 美的集团武汉制冷设备有限公司 | A fin, heat exchanger and air condensing units for heat exchanger |
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2019
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140055945A (en) * | 2012-10-29 | 2014-05-09 | 삼성전자주식회사 | Heat exchanger |
| CN205066240U (en) * | 2015-08-12 | 2016-03-02 | 浙江康盛热交换器有限公司 | Heat pump idle call microchannel heat exchanger |
| CN208398703U (en) * | 2017-12-29 | 2019-01-18 | 浙江盾安热工科技有限公司 | A kind of inserted sheet heat exchanger and air conditioner |
| CN210119132U (en) * | 2019-03-26 | 2020-02-28 | 美的集团武汉制冷设备有限公司 | A fin, heat exchanger and air condensing units for heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020191965A1 (en) * | 2019-03-26 | 2020-10-01 | 美的集团武汉制冷设备有限公司 | Fin, heat exchanger, heat exchanger assembly and assembling method therefor, and air conditioner outdoor unit |
| CN110425904A (en) * | 2019-08-13 | 2019-11-08 | 青岛海信日立空调系统有限公司 | A kind of plate fin and micro-channel heat exchanger, air-conditioning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109813146B (en) | 2024-05-14 |
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