CN208536331U - Heat exchanger fin and heat exchanger with the fin - Google Patents
Heat exchanger fin and heat exchanger with the fin Download PDFInfo
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- CN208536331U CN208536331U CN201820927132.2U CN201820927132U CN208536331U CN 208536331 U CN208536331 U CN 208536331U CN 201820927132 U CN201820927132 U CN 201820927132U CN 208536331 U CN208536331 U CN 208536331U
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Abstract
The utility model relates to a kind of heat exchanger fin and with the heat exchanger of the fin, comprising: multiple fin main bodys are arranged at intervals on the side of interconnecting piece along the length direction of interconnecting piece, and two adjacent fins main body side intervals constitute flat tube installing port；First connecting pin is connect with interconnecting piece, and second connection end is connect with third connecting pin；The width of interconnecting piece is first distance；The distance of first connecting pin of the first heat exchanging part to second connection end is second distance；The distance of the third connecting pin of second heat exchanging part to free end is third distance；First distance is more than or equal to 1/5th of second distance, and is less than or equal to 2/3rds of second distance；And/or third distance is more than or equal to 1/5th of second distance, and is less than or equal to 2/3rds of second distance.The contact area that fin and air are increased by the way that the second heat exchanging part is arranged increases heat exchange efficiency, and the protrusion flat tube setting of the second heat exchanging part enables condensed water that micro-channel heat exchanger is discharged by projective structure, further increases drainage performance.
Description
Technical field
The utility model relates to air-conditioning technical field of heat exchange, more particularly to a kind of heat exchanger fin and with the fin
Heat exchanger.
Background technique
Micro-channel heat exchanger is heat exchanger of the channel equivalent diameter at 10-1000 μm, and micro-channel heat exchanger is efficiently to change
Advantage in hot property, compact structure and cost is just gradually applied to business, domestic refrigeration air conditioner industry.It is conventional at present micro-
Condenser of the channel heat exchanger for single cooler group has many advantages, such as that such as higher heat exchange is imitated compared to traditional finned tube exchanger
Rate, lower windage, lower coolant injection amount and lower material cost etc..It is conventional micro- but due to the limitation in structure
Channel heat exchanger there are no the frequent frosting of very good solution, draining is difficult the problems such as, therefore blade inserting micro-channel heat exchanger is met the tendency of
And it gives birth to.
Blade inserting micro-channel heat exchanger in traditional technology at present, fin structure still can not very good solution heat exchange
The problem of effect difference and drainage performance difference.
Utility model content
Based on this, it is necessary to for heat transfer effect difference and the problem of drainage performance difference, provide a kind of heat exchanger fin and
Heat exchanger with the fin.
A kind of heat exchanger fin, comprising: interconnecting piece and multiple fin main bodys；The fin main body includes: the first heat exchange
Portion and the second heat exchanging part；The setting at length direction interval of multiple fin main bodys along the interconnecting piece is in the interconnecting piece
Side, two adjacent fin main body side intervals constitute flat tube installing ports；First heat exchanging part has first to connect
Connect end and the second connection end opposite with first connecting pin；Second heat exchanging part have third connecting pin and with institute
State the opposite free end in third connecting pin；First connecting pin of first heat exchanging part is connect with the interconnecting piece, and described first
The second connection end of heat exchanging part is connect with the third connecting pin of second heat exchanging part；First connecting pin of first heat exchanging part
The distance between second connection end is greater than the width of the flat tube of flat tube installing port installation；The width of the interconnecting piece be first away from
From；The distance of first connecting pin of first heat exchanging part to the second connection end is second distance；Second heat exchanging part
Third connecting pin to the free end distance be third distance；The first distance is more than or equal to the five of the second distance
/ mono-, and it is less than or equal to 2/3rds of the second distance；And/or the third distance is more than or equal to the second distance
1/5th, and be less than or equal to the second distance 2/3rds.
The side of the interconnecting piece is arranged in multiple fin main bodys at equal intervals in one of the embodiments,.
In one of the embodiments, first heat exchanging part from first connecting pin to the second connection end etc.
The multiple windowing units of the setting of spacing.
In one of the embodiments, between grade of the windowing unit from first connecting pin to the second connection end
Away from the multiple windowing pieces of setting, the windowing piece and first heat exchanging part are at predetermined angle.
The interconnecting piece is to form the plate to rise and fall along the interconnecting piece width direction in one of the embodiments,.
The width of the second heat exchanging part third connecting pin and first heat exchanging part second in one of the embodiments,
The width of connecting pin is equal；And the width of second heat exchanging part free end is less than the width of the second heat exchanging part third connecting pin
Degree.
Multiple positioning units are respectively arranged on two sides of first heat exchanging part in one of the embodiments,
The positioning unit is for positioning the heat exchanger fin.
The positioning unit includes: the first location structure and the second location structure in one of the embodiments,；It is described
First location structure is set as the L-shaped structure vertical with first heat exchanging part, second location structure be set as with it is described
The groove that first location structure is used cooperatively；And first location structure and second location structure are in first heat exchange
It is arranged alternately on two sides in portion.
A kind of heat exchanger, comprising: heat exchanger fin described in multiple any of the above-described kinds, the first header, the second header
And multiple flat tubes；First port is provided on first header；Between second header and first header
Second port is provided with every pre-determined distance, and on second header；The both ends of the flat tube respectively with first afflux
Pipe is connected to the second header；The flat tube installing port of multiple heat exchanger fins is corresponding with multiple flat tubes, Duo Gesuo
The equal spacing in length direction that heat exchanger fin is stated along the flat tube is inserted into side by side on the flat tube.
Multiple heat exchanger fins are fixedly connected with multiple flat tubes in one of the embodiments,.
Above-mentioned heat exchanger fin is by setting interconnecting piece and fin main body, and wherein fin main body further includes the first heat exchanging part
And second heat exchanging part.Fin main body is along the side that interconnecting piece is arranged at the length direction interval of interconnecting piece, and two phases
Flat tube installing port is formed between adjacent fin main body, and the length of the first heat exchanging part is greater than the flat tube of flat tube installing port installation
Length makes the second heat exchanging part protrude flat tube.The contact area of heat exchanger fin and air is increased by the way that the second heat exchanging part is arranged
Heat exchange efficiency is increased, and due to generated condensation water energy in the setting of the second heat exchanging part protrusion flat tube therefore heat exchanger fin
Micro-channel heat exchanger is enough discharged by projective structure, further increases drainage performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment heat exchanger fin；
Fig. 2 is the perspective view of the utility model embodiment heat exchanger fin；
Fig. 3 is the structural schematic diagram of another heat exchanger fin of the utility model embodiment；
Fig. 4 is the perspective view of another heat exchanger fin of the utility model embodiment；
Fig. 5 is the positive structure schematic of the utility model embodiment heat exchanger；
Fig. 6 is the prism structural schematic diagram of the utility model embodiment heat exchanger；
Fig. 7 is the utility model embodiment heat exchanger assembling schematic diagram；
Fig. 8 is another heat exchanger assembling schematic diagram of the utility model embodiment.
Appended drawing reference: 10 it is heat exchanger fin, 100 is interconnecting piece, 200 is fin main body, 210 is the first heat exchanging part, 211
For windowing unit, 2111 be windowing piece, 212 be positioning unit, 2121 be the first location structure, 2122 be the second location structure,
220 be the second heat exchanging part, 300 be flat tube installing port, 20 be the first header, 30 be the second header, 40 be flat tube.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
Micro-channel heat exchanger, instead of the round tube of traditional heat exchangers, is increased condensed water and changed using the flat tube of PARALLEL FLOW
Contact angle and contact surface between hot device, for condensed water during exclusion, viscous force is suitable with gravity, and the speed of draining is until de-
Same speed is almost kept before falling, so that the condensed water of heat exchanger surface is not easy to exclude.And micro-channel heat exchanger passes through pricker
Postwelding remains certain brazing flux on its aluminum pipe and fin, forms uneven coarse surface, is on the one hand heat exchanger wall surface
Humid air provides condensation nuclei when condensing, and on the other hand also increases the difficulty of condensed water exclusion.It is deposited in heat exchanger surface
Condensed water form very big heat transfer resistance, restrict the performance of heat exchanger heat transfer property.
Due to micro-channel heat exchanger impeded drainage and surfaces versus rough, remained on surface membranaceous or pearl water droplet is formd
Core needed for frosting, so that micro-channel heat exchanger is easier to frosting.And frosting will lead to: 1) white thermal conductivity compares Thermal Performance of Micro Channels
The small several orders of magnitude of the thermal conductivity of device metal material, frost will will increase thermal resistance in micro-channel heat exchanger surface deposition；2) microchannel
After heat exchanger surface frosting, inner air runner reduced cross-sectional area, resistance increases so that air mass flow reduces；3) at the beginning of frosting
Phase, intermittent frost grain make heat exchange surface become coarse, and heat exchange property makes moderate progress, but after white particle shape is at frost layer, just will affect
Heat transfer effect.
Fig. 1-4 is please referred to, Fig. 1 is the structural schematic diagram of the utility model embodiment heat exchanger fin；Fig. 2 is that this is practical new
The perspective view of type embodiment heat exchanger fin；Fig. 3 is the structural schematic diagram of another heat exchanger fin of the utility model embodiment；Figure
4 be the perspective view of another heat exchanger fin of the utility model embodiment.
As shown in Figs 1-4, a kind of heat exchanger fin 10, comprising: interconnecting piece 100 and multiple fin main bodys 200；The wing
Piece main body 200 includes: the first heat exchanging part 210 and the second heat exchanging part 220；Multiple fin main bodys 200 are along the interconnecting piece
The side that the interconnecting piece 100 is set at 100 length direction interval, between two adjacent 200 sides of fin main body
Every composition flat tube installing port 300；First heat exchanging part 210 has the first connecting pin and opposite with first connecting pin
Second connection end；Second heat exchanging part 220 has third connecting pin and the free end opposite with the third connecting pin；Institute
The first connecting pin for stating the first heat exchanging part 210 is connect with the interconnecting piece 100, the second connection end of first heat exchanging part 210
It is connect with the third connecting pin of second heat exchanging part 220；First connecting pin of first heat exchanging part 210 and second connection end
The distance between be greater than flat tube installing port 300 install flat tube 40 width；The interconnecting piece 100 and multiple fin masters
Body 200 is disposed as plate.
Specifically, interconnecting piece 100 and fin main body 200 are metal material.Metal material can be improved heat exchanger wing
The heat transfer property of piece 10 enables heat exchanger fin 10 to have better heat transfer effect.The length of first heat exchanging part 210 should be big
In the width for the flat tube 40 being mounted in flat tube installing port 300, this makes it possible to guarantee the second heat exchanging part 220 relative to flat tube 40
It is protruded to outside, due to generated condensation water energy in the setting of the second heat exchanging part 220 protrusion flat tube 40 therefore heat exchanger fin 10
Micro-channel heat exchanger is enough discharged by projective structure, further increases drainage performance.Two adjacent 200 sides of fin main body
Side interval constitutes flat tube installing port 300, and flat tube installing port 300 can be set as according to the width of the flat tube 40 of micro-channel heat exchanger
Different in width interval.If each flat tube 40 of micro-channel heat exchanger is of different size, the width of corresponding flat tube installing port 300
Interval can also be different.Preferably, the width of the interconnecting piece 100 is first distance；The first of first heat exchanging part 210 connects
The distance for connecing end to the second connection end is second distance；The third connecting pin of second heat exchanging part 220 is to the freedom
The distance at end is third distance；The first distance is less than the second distance；And/or the third distance is less than described second
Distance.The width for meeting interconnecting piece 100 is namely needed to arrive second connection end less than the first connecting pin of the first heat exchanging part 210
Distance.Or meet the of the third connecting pin of the second heat exchanging part 220 to the distance of free end less than the first heat exchanging part 210
Distance of one connecting pin to second connection end.It can also be first of width less than the first heat exchanging part 210 for meeting interconnecting piece 100
Connecting pin to second connection end distance, and the third connecting pin of the second heat exchanging part 220 to free end distance less than first
Distance of first connecting pin of heat exchanging part 210 to second connection end.Wherein first distance is less than the second distance, preferably may be used
Think the first distance be more than or equal to the second distance 1/5th, and be less than or equal to the second distance three/
Two.Wherein the third distance is less than the second distance, preferably can be more than or equal to described second for the third distance
/ 5th of distance, and it is less than or equal to 2/3rds of the second distance.By repeatedly adjusting first distance, second distance
And third distance carries out testing obtained as a result, working as first distance, second distance and third distance satisfaction: first distance
More than or equal to 1/5th of the second distance, and it is less than or equal to 2/3rds of the second distance；It is big with third distance
When being equal to 1/5th of the second distance, and be less than or equal to 2/3rds of the second distance, heat exchanger fin 10
Structural strength it is maximum, heat transfer effect is best, drainage performance is best and frosting resistance performance is best.
Preferably, the equally spaced interconnecting piece 100 that is arranged in of length direction of multiple fin main bodys 200 along interconnecting piece 100
Side, that is, micro-channel heat exchanger each flat tube 40 it is of same size, then multiple fin main bodys 200 it is equally spaced setting make
300 width interval of flat tube installing port is identical.Between the heat exchanger fin 10 that preferably flat tube 40 can be fixed.Fin main body
It is provided with window structure in 200 the first heat exchanging part 210, in the first heat exchanging part 210 along the first connecting pin to second connection end
Multiple windowing units 211 are set at equal intervals on direction；The unit 211 that opens a window is along the direction of the first connecting pin to second connection end
On be provided with windowing piece 2111 at equal intervals, and there are preset angles for open a window piece 2111 and the first heat exchanging part 210.It is multiple to open
Window 2111 and the angle of the first heat exchanging part 210 can be the same or different, setting windowing unit 211, when air-flow is by opening
When window 2111, adjustable air pressure enables the condensed water between heat exchanger fin 10 to be preferably discharged, further subtracts
Small thermal resistance improves micro-channel heat exchanger heat transfer effect.
Preferably, interconnecting piece 100 is the plate that ripple is formed along 100 width direction of interconnecting piece.Namely interconnecting piece 100 is
The plate of S type, is set as forming the plate of ripple, increases the contact area of heat exchanger fin 10 Yu air on one side,
It is just increased the heat exchange area of heat exchanger fin 10, forms the plate of ripple on the other hand in the length side of interconnecting piece 100
To groove is formed, being formed by groove can be such that the condensed water of condensation preferably discharges, and further improve microchannel and change
Hot device heat transfer effect.
Preferably, the width and the width phase of 210 second connection end of the first heat exchanging part of 220 third connecting pin of the second heat exchanging part
Deng；And the width of 220 free end of the second heat exchanging part is less than the width of 220 third connecting pin of the second heat exchanging part.Wherein third connects
The width at end can be equal to the width of second connection end, and the width of third connecting pin might be less that the width of second connection end.
Second heat exchanging part 220 will reduce along third connecting pin to free end width, that is, the second heat exchanging part 220 can for triangle,
It is trapezoidal and semicircle etc., the small figure of the big one end width of one end width, and the big one end of width is third connecting pin, width
Small one end is free end.Second heat exchanging part 220 is also possible to the combination of various shapes, it is only necessary to meet the width of third connecting pin
Degree is decreased to the width of free end.Such setting can form notch in free end, and heat exchanger fin 10 can be made to micro-
When channel heat exchanger is installed, more easily assemble.
Preferably, multiple positioning units 212 are respectively arranged on two sides of the first heat exchanging part 210；The positioning is single
Positioning when member 212 is installed for heat exchanger fin 10.More specifically, the positioning unit 212 includes: the first location structure
2121 and second location structure 2122；First location structure 2121 is set as the L vertical with first heat exchanging part 210
Shape structure, second location structure 2122 are set as the groove being used cooperatively with first location structure 2121；And it is described
First location structure 2121 replaces on two sides of first heat exchanging part 210 with second location structure 2122 to be set
It sets.Wherein the first location structure 2121 is perpendicular to the first heat exchanging part 210, and the first location structure 2121 is far from the first heat exchanging part
210 one end forms snap hook.Second location structure 2122 is the groove being used cooperatively with snap hook.When multiple heat exchanger fins
10 to micro-channel heat exchanger when assembling, the first location structure 2121 and the second location structure that adjacent two heat exchangers fin 10 is arranged
2122 positions on the contrary, and adjacent two heat exchangers fin 10 the first location structure 2121 and the second location structure 2122 cooperation block
It connects, for fixing the distance between two heat exchangers fin 10.First location structure, 2121 one aspect can limit multiple heat exchange
When device fin 10 is installed to micro-channel heat exchanger, the distance between heat exchanger fin 10, can make heat exchanger fin two-by-two two-by-two
10 spaced sets facilitate positioning；After another aspect heat exchanger fin 10 is mounted on micro-channel heat exchanger, the first location structure
2121 are bonded with flat tube 40, increase heat exchanger fin 10 and 40 contact surface of flat tube, are convenient for heat exchanger fin 10 and flat tube 40
Welding.
Fig. 5-8 is please referred to, Fig. 5 is the positive structure schematic of the utility model embodiment heat exchanger；Fig. 6 is that this is practical new
The prism structural schematic diagram of type embodiment heat exchanger；Fig. 7 is the utility model embodiment heat exchanger assembling schematic diagram；Fig. 8 is
Another heat exchanger assembling schematic diagram of the utility model embodiment.
As viewed in figures 5-8, a kind of heat exchanger, comprising: heat exchanger fin 10 described in multiple any of the above-described kinds, the first afflux
Pipe 20, the second header 30 and multiple flat tubes 40；First port is provided on first header 20；Second afflux
Pipe 30 and first header 20 are spaced pre-determined distance, and are provided with second port on second header 30；It is described flat
The both ends of pipe 40 are connected to first header 20 and the second header 30 respectively；The flat tube of multiple heat exchanger fins 10
Installing port 300 is corresponding with multiple flat tubes 40, length direction etc. of multiple heat exchanger fins 10 along the flat tube 40
Spacing is inserted into side by side on the flat tube 40.Multiple heat exchanger fins 10 are fixedly connected with multiple flat tubes 40.It is excellent
It is welded between the heat exchanger fin 10 and the flat tube 40 of choosing.Heat exchanger is micro-channel heat exchanger.
When in use, condensing agent enters heat exchanger by the first port being arranged on the first header to above-mentioned heat exchanger, into
Condensing agent after entering heat exchanger enters the second header, then the outflow of the second port by being arranged on the second header by flat tube
Heat exchanger.Condensing agent reduces the temperature for the fin being fixedly connected on flat tube and flat tube in heat exchanger, further reduces and changes
The temperature of air in hot device.Air enters heat exchanger from fin interconnecting piece, and by the cold air after cooling down in heat exchanger from fin
The second heat exchanging part 220 take out of, thus play the role of heat exchanger cooling.
Above-mentioned fin is by setting interconnecting piece and fin main body, and wherein fin main body further includes the first heat exchanging part and the
Two heat exchanging part.Fin main body is along the side that interconnecting piece is arranged at the length direction interval of interconnecting piece, and two adjacent wings
Flat tube installing port is formed between piece main body, and the length of the first heat exchanging part is greater than the length of the flat tube of flat tube installing port installation,
The second heat exchanging part is set to protrude flat tube.The contact area that fin and air are increased by the way that the second heat exchanging part is arranged increases heat exchange effect
Rate, and can be discharged by projective structure since generated condensed water on therefore fin is arranged in the second heat exchanging part protrusion flat tube
Micro-channel heat exchanger further increases drainage performance.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of heat exchanger fin characterized by comprising interconnecting piece and multiple fin main bodys；
The fin main body includes: the first heat exchanging part and the second heat exchanging part；
The side that the interconnecting piece is set at length direction interval of multiple fin main bodys along the interconnecting piece, two phases
Adjacent fin main body side interval constitutes flat tube installing port；
First heat exchanging part has the first connecting pin and the second connection end opposite with first connecting pin；Described second
Heat exchanging part has third connecting pin and the free end opposite with the third connecting pin；First connection of first heat exchanging part
End is connect with the interconnecting piece, and the third connecting pin of the second connection end of first heat exchanging part and second heat exchanging part connects
It connects；The distance between first connecting pin of first heat exchanging part and second connection end are greater than the flat tube of flat tube installing port installation
Width；
The width of the interconnecting piece is first distance；First connecting pin of first heat exchanging part to the second connection end away from
From for second distance；The distance of the third connecting pin of second heat exchanging part to the free end is third distance；Described first
Distance is more than or equal to 1/5th of the second distance, and is less than or equal to 2/3rds of the second distance；And/or it is described
Third distance is more than or equal to 1/5th of the second distance, and is less than or equal to 2/3rds of the second distance.
2. heat exchanger fin according to claim 1, which is characterized in that
The side of the interconnecting piece is arranged in multiple fin main bodys at equal intervals.
3. heat exchanger fin according to claim 1, which is characterized in that
Multiple windowing units are arranged from first connecting pin to the second connection end in first heat exchanging part at equal intervals.
4. heat exchanger fin according to claim 3, which is characterized in that
Multiple windowing pieces are arranged from first connecting pin to the second connection end in the windowing unit at equal intervals, described to open
Window and first heat exchanging part are at predetermined angle.
5. heat exchanger fin according to claim 1, which is characterized in that
The interconnecting piece is to form the plate to rise and fall along the interconnecting piece width direction.
6. heat exchanger fin according to claim 1, which is characterized in that
The width of the second heat exchanging part third connecting pin is equal with the width of the first heat exchanging part second connection end；And it is described
The width of second heat exchanging part free end is less than the width of the second heat exchanging part third connecting pin.
7. heat exchanger fin according to claim 1, which is characterized in that
Multiple positioning units are respectively arranged on two sides of first heat exchanging part, the positioning unit is described for positioning
Heat exchanger fin.
8. heat exchanger fin according to claim 7, which is characterized in that
The positioning unit includes: the first location structure and the second location structure；
First location structure is set as the L-shaped structure vertical with first heat exchanging part, the second location structure setting
For the groove being used cooperatively with first location structure；And first location structure with second location structure described
It is arranged alternately on two sides of the first heat exchanging part.
9. a kind of heat exchanger characterized by comprising the described in any item heat exchanger fins of multiple claim 1-8, the first collection
Flow tube, the second header and multiple flat tubes；
First port is provided on first header；
Second header and first header interval pre-determined distance, and second end is provided on second header
Mouthful；
The both ends of the flat tube are connected to first header and the second header respectively；
The flat tube installing port of multiple heat exchanger fins is corresponding with multiple flat tubes, and multiple heat exchanger fins are along institute
State being inserted on the flat tube side by side for the equal spacing in length direction of flat tube.
10. heat exchanger according to claim 9, which is characterized in that
Multiple heat exchanger fins are fixedly connected with multiple flat tubes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820927132.2U CN208536331U (en) | 2018-06-14 | 2018-06-14 | Heat exchanger fin and heat exchanger with the fin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820927132.2U CN208536331U (en) | 2018-06-14 | 2018-06-14 | Heat exchanger fin and heat exchanger with the fin |
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| CN208536331U true CN208536331U (en) | 2019-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022262562A1 (en) * | 2021-06-17 | 2022-12-22 | 浙江盾安人工环境股份有限公司 | Heat exchanger |
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2018
- 2018-06-14 CN CN201820927132.2U patent/CN208536331U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022262562A1 (en) * | 2021-06-17 | 2022-12-22 | 浙江盾安人工环境股份有限公司 | Heat exchanger |
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