CN106642642A - Finned tube type heat exchanger and air conditioner having same - Google Patents
Finned tube type heat exchanger and air conditioner having same Download PDFInfo
- Publication number
- CN106642642A CN106642642A CN201710074271.5A CN201710074271A CN106642642A CN 106642642 A CN106642642 A CN 106642642A CN 201710074271 A CN201710074271 A CN 201710074271A CN 106642642 A CN106642642 A CN 106642642A
- Authority
- CN
- China
- Prior art keywords
- fin
- heat exchanger
- gap
- along
- shape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
- F28F1/325—Fins with openings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2210/00—Heat exchange conduits
- F28F2210/10—Particular layout, e.g. for uniform temperature distribution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/08—Fins with openings, e.g. louvers
Abstract
The invention provides a finned tube type heat exchanger. The finned tube type heat exchanger includes a heat exchanging tube and a fin; at least one row of fin holes and a plurality of gaps are formed in the fin in the length direction; the plurality of gaps are arranged in the flowing direction of a tube external heat exchanging medium in one or more shapes of an S shape, a (-shape or a )-shape. According to the finned tube type heat exchanger, the plurality of gaps are arranged in the flowing direction of a tube external heat exchanging medium in one or more shapes of the S shape, the (-shape or the )-shape, and then the heat exchanging medium can flow in a loop manner in the S shape, the (-shape or the )-shape, the air resistance can be reduced remarkably, a boundary layer of a surface of the fin can be broken, and the heat exchanging effect can be improved.
Description
Technical field
The present invention relates to technical field of heat exchangers, more particularly to a kind of fin-tube heat exchanger and the air-conditioning with it
Device.
Background technology
Mainly using the windowing chip architecture of venetian blind type, heat exchanger exists the fin of traditional idle call fin-tube heat exchanger
Reviewing is susceptible to when tube expansion, bending, transhipment, lodging tolerance is low, and the windowing chip architecture windage of venetian blind type is larger, shadow
The heat transfer effect of heat exchanger is rung, therefore is typically only used on the outdoor condenser of indoor evaporator or a high pitch of fins, use range
Limited to.
The content of the invention
Based on this, it is necessary to affect the heat transfer effect of heat exchanger to ask for the fin of the windowing chip architecture of venetian blind type
Topic, there is provided a kind of fin-tube heat exchanger and the air-conditioner with it.
A kind of fin-tube heat exchanger that the present invention is provided, including heat exchanger tube and fin, wherein, along long on the fin
Degree direction offers at least row's fin hole and a plurality of gap, and a plurality of gap is in along heat transfer outside a tube media flow direction
Any one or a few shaped formation in serpentine, " (" shape or ") " shape.
Wherein in one embodiment, the gap includes the first inclined slot, the second inclined slot, and described first inclines
Gap and second inclined slot are arranged along heat transfer outside a tube media flow direction in " (" shape or ") " shape.
Wherein in one embodiment, the gap also includes horizontal gap, the horizontal gap and the fin hole
Orientation is parallel and is arranged between first gap and second gap.
Wherein in one embodiment, the fin encloses along the fin hole and is provided with fin hole and encloses edge.
Wherein in one embodiment, it is rounding corner structure that the fin hole encloses edge with the fin hole contact position.
Wherein in one embodiment, the fin hole is enclosed and arrange at the opening on edge the oriented flange for being open and extending around,
The flange and the fin hole are enclosed and rounding corner structure are formed between.
Wherein in one embodiment, enclose along the gap and be provided with gap and enclose edge.
Wherein in one embodiment, the fin hole is enclosed edge and encloses edge higher than the gap.
Wherein in one embodiment, the columns for opening up fin hole along its length on the fin is that 1 row～3 are arranged.
Wherein in one embodiment, the fin is bridge piece formula slitted fin.
Present invention also offers a kind of air-conditioner, wherein, the air-conditioner includes fin-tube heat exchanger as above.
The fin-tube heat exchanger of the present invention, a plurality of gap is in serpentine, " (" shape along heat transfer outside a tube media flow direction
Or ") " any one or a few shaped formation in shape, so that heat transferring medium can be along in serpentine, " (" shape or ") " shape path
Winding flows, and can be obviously reduced the windage of heat transferring medium, and can destroy the boundary-layer of fin surface, improves heat exchange effect
Really.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only described in the present invention
A little embodiments, for those of ordinary skill in the art, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is fin-tube heat exchanger fin structure schematic diagram of the present invention；
Fig. 2 is A-A directional profile zoomed-in views in Fig. 1；
Fig. 3 is zoomed-in view at B in Fig. 1；
Wherein,
10- fin holes；11- fins enclose edge；12- flange；20- gaps；The inclined slots of 21- first；22- horizontal gaps；23-
Second inclined slot；24- encloses edge in gap；
P- pitch-rows；The single-row hole counts of N-；M- columns；S- arrange away from；D- fin bore dias；D '-flange diameter；H- fin holes enclose edge
Highly；H- is enclosed in gap along height；The total gap widths of W-；T- fin thicknesses；The inclined slots of L- first or the second inclined slot spacing；
α-gap and heat transferring medium flowing angular separation.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, by the following examples, and with reference to attached
Figure, the fin-tube heat exchanger to the present invention and the air-conditioner with it are further described.It should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
Refer to shown in Fig. 1 to Fig. 3, the preferred implementation of fin-tube heat exchanger one of the present invention is provided with heat exchanger tube and wing
Piece, offers along its length two row's fin holes 10 and a plurality of gap 20 on fin, two row's fin holes 10 are staggeredly opened in wing
On piece, a plurality of gap 20 is arranged on the space between fin hole 10 and arranges in serpentine along heat transfer outside a tube media flow direction.
A plurality of gap 20 arranges along heat transfer outside a tube media flow direction in serpentine, enables heat transferring medium along in " S "
Shape, the flowing of path winding, improve heat transferring medium flowing passage, fully improve heat exchange efficiency, and heat exchange Jie can be obviously reduced
The windage of matter, and the boundary-layer of fin surface can be destroyed, improve heat transfer effect.
In other embodiments, for example, row's fin hole 10 and a plurality of gap 20 are offered on fin along its length,
A plurality of gap 20 is along one or two shaped formations that heat transfer outside a tube media flow direction is in " (" shape or ") " shape, i.e., a plurality of
Gap 20 is symmetrical arranged according to the orientation of fin hole 10, enables heat transferring medium along in " (" shape or ") " path winding stream
It is dynamic, can similarly reduce the windage of heat transferring medium, and the boundary-layer of fin surface can be destroyed, improve heat transfer effect.
In other embodiments, for example, three row and above row's fin hole 10 and many are offered on fin along its length
Bar gap 20, the shape that a plurality of gap 20 is combined in multiple " S " types along heat transfer outside a tube media flow direction with " (" shape or ") " shape
Shape is arranged, and enables heat transferring medium along flowing with " (" shape or ") " path winding in multiple " S " types, can similarly reduce heat exchange
The windage of medium, and the boundary-layer of fin surface can be destroyed, improve heat transfer effect.
Please continue to refer to shown in Fig. 1 and Fig. 3,20 points of the corresponding gap of fin hole 10 per string is the first inclined slot
21st, the second inclined slot 23 and horizontal gap 22.Wherein, the first inclined slot 21 and the second inclined slot 23 are in " (" shape or ") "
Shape is arranged.Horizontal gap 22 is parallel with the orientation of fin hole 10, and is arranged on the first inclined slot 21 and the second rake joist
Between gap 23.Horizontal gap 22 is provided between the first inclined slot 21 and the second inclined slot 23, on the one hand can be improved and be changed
Heat transfer intensity of the thermal medium when horizontal gap 22 is flowed through, on the other hand, it is possible to increase fin reduces life in the intensity of the direction
The reviewing of fin during product, improves fin lodging tolerance.
Be provided with fin hole and enclose along 11 please continue to refer to shown in Fig. 2, enclosing along fin hole 10, fin hole enclose along 11 with fin hole 10
Contact position is rounding corner structure；Fin hole is enclosed and arrange at 11 opening the oriented flange 12 that extends around of being open, flange 12 with
Fin hole encloses the formation rounding corner structure between 11.On the one hand rounding corner structure is easily installed heat exchanger tube, strengthens heat exchanger tube and wing
Piece is relatively fixed intensity, on the other hand also can strengthen enclose along and fin fixing intensity.
Used as a kind of optional embodiment, the fin of the embodiment of the invention is bridge piece formula slitted fin.Wherein,
Enclose along gap 20 and be provided with gap and enclose along 24.Enclose in the gap of the first inclined slot 21, the second inclined slot 23 and horizontal gap 22
Can be consistent along 24 height, gap is enclosed and increases heat-transfer surface area along 24, heat exchanging medium flow through the slit enclose along 24 when can
Lift the heat transfer effect of heat transferring medium.Further, fin hole is enclosed can enclose height along 24 along 11 height higher than gap.
The position in gap 20, length, width, quantity, height and heat transferring medium flowing angular separation and spacing, for
Improve the resistance being subject to during heat transfer medium flows, the negative layer for destroying fin surface to have a certain impact, what the present invention was provided
The embodiment fin parameter preferred scope of fin-tube heat exchanger is as shown in table 1.
In the present invention, a plurality of gap 20 is along heat transfer outside a tube media flow direction in appointing in serpentine, " (" shape or ") " shape
Anticipate one or more shaped formations, the position being arranged between fin hole 10, so that heat transferring medium can be along in serpentine, " (" shape
Or ") " flowing of shape path winding, reduce the windage of heat transferring medium, the boundary-layer of fin surface is destroyed, improve heat transfer effect.
As a kind of optional embodiment, between two adjacent fin holes 10 of same row, three articles of for be arrangeding in parallel
One inclined slot 21 is 30 ° to side deflection and with heat transferring medium flowing angular separation α, three the second rake joists be arrangeding in parallel
Gap 23 is similarly 30 ° to opposite side deflection and with heat transferring medium flowing angular separation α.One horizontal gap 22 is opened in three
Between first inclined slot 21 and the second inclined slot 23 and on the centrage of same row's fin hole 10.Wherein, first inclines
The length of the inclined slot 23 of R-joining gap 21 and second can be 6mm, and width can be 2mm, and spacing is two parallel first
Air line distance between the parallel centrage of the second inclined slot 23 of inclined slot 21 or two, can be 4mm.Horizontal gap 22
Length can be 9mm, width can be 3mm.It can be 1.4mm that gap is enclosed along 24 height.Total gap width W is referred to together
Overall width in the corresponding gap 20 of string fin hole 10, for example, can be 17.4mm.
Fin thickness T represents the air line distance between the surface of fin two, and pitch-row P represents two wings in same row fin hole 10
The distance between center of film perforation 10, row represent the vertical dimension between the centrage of two row's fin hole 10, the diameter D of fin hole 10 away from S
It is related to the external diameter of heat exchanger tube.Fin thickness T, pitch-row P, the row of the fin-tube heat exchanger of the present invention are away from S, the diameter of fin hole 10
D, single-row hole count N and columns M can be set according to actual needs.Correspondingly, flange diameter D ' is straight according to fin hole 10
The size of footpath D and adjust.
The fin-tube heat exchanger embodiment fin parameter of the present invention of table 1 and preferred scope
| Fin parameter | Preferred scope |
| Finned length P × N (mm) | 660～762 |
| Fin width M × S (mm) | 19.05～22 |
| Pitch-row P (mm) | 22～25.4 |
| Single-row hole count N (individual) | 30 |
| Fin columns (M) | 1～3 |
| Row are away from S (mm) | 19.05～22 |
| Fin bore dia D (mm) | 8.24～9.83 |
| Flange diameter D ' is (mm) | 9.61～11.2 |
| Fin hole is enclosed along height H (mm) | 1.6～2.2 |
| Enclose along height h (mm) in gap | 1.4～2.0 |
| Total gap width W (mm) | 17.39 |
| Fin thickness T (mm) | 0.1～0.12 |
| First inclined slot or the second inclined slot spacing L (mm) | 4 |
| Angular separation α (°) is flowed with heat transferring medium in gap | 30～60 |
Further, the present invention also provides a kind of air-conditioner, and above-mentioned fin-tube heat exchanger is provided with air-conditioner.In air-conditioning
In device, above-mentioned fin-tube heat exchanger can be used as condenser, it is also possible to use as vaporizer.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Conversely, when element be referred to as " directly existing " another element " on " when,
There is no intermediary element.Term as used herein " vertical ", " level ", "left", "right" and similar statement are
For illustrative purposes.
In the present description, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying
Relative importance.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (11)
1. a kind of fin-tube heat exchanger, including heat exchanger tube and fin, it is characterised in that open along its length on the fin
At least row's fin hole (10) and a plurality of gap (20) are provided with, a plurality of gap (20) is along heat transfer outside a tube media flow side
To in any one or a few shaped formation in serpentine, " (" shape or ") " shape.
2. fin-tube heat exchanger according to claim 1, it is characterised in that the gap (20) is including the first rake joist
Gap (21), the second inclined slot (23), first inclined slot (21) and second inclined slot (23) are changed along pipe is outer
Thermal medium flow direction arranges in " (" shape or ") " shape.
3. fin-tube heat exchanger according to claim 2, it is characterised in that the gap (20) also includes horizontal gap
(22), the horizontal gap (22) is parallel with the orientation of the fin hole (10) and is arranged on first inclined slot
(21) and between second inclined slot (23).
4. fin-tube heat exchanger according to claim 1, it is characterised in that the fin encloses along the fin hole (10)
It is provided with fin hole to enclose along (11).
5. fin-tube heat exchanger according to claim 4, it is characterised in that the fin hole is enclosed along (11) and the wing
Film perforation (10) contact position is rounding corner structure.
6. fin-tube heat exchanger according to claim 4, it is characterised in that the fin hole is enclosed at the opening of (11)
The oriented flange (12) for being open and extending around is set, and the flange (12) is enclosed with the fin hole and forms rounding between (11)
Structure.
7. fin-tube heat exchanger according to claim 4, it is characterised in that enclose along the gap (20) and be provided with gap and enclose
Along (24).
8. fin-tube heat exchanger according to claim 7, it is characterised in that the fin hole is enclosed along (11) higher than described
Enclose along (24) in gap.
9. the fin-tube heat exchanger according to claim 1 to 8 any one, it is characterised in that the edge on the fin
It is that 1 row～3 are arranged that length direction opens up the columns of fin hole (10).
10. the fin-tube heat exchanger according to claim 1 to 8 any one, it is characterised in that the fin is bridge piece
Formula slitted fin.
11. a kind of air-conditioners, it is characterised in that the air-conditioner includes the fin as described in claim 1 to 10 any one
Pipe heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710074271.5A CN106642642A (en) | 2017-02-10 | 2017-02-10 | Finned tube type heat exchanger and air conditioner having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710074271.5A CN106642642A (en) | 2017-02-10 | 2017-02-10 | Finned tube type heat exchanger and air conditioner having same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106642642A true CN106642642A (en) | 2017-05-10 |
Family
ID=58845055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710074271.5A Pending CN106642642A (en) | 2017-02-10 | 2017-02-10 | Finned tube type heat exchanger and air conditioner having same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106642642A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020062728A1 (en) * | 2018-09-30 | 2020-04-02 | 珠海格力电器股份有限公司 | Fin and heat exchanger with same |
| CN112066778A (en) * | 2020-08-04 | 2020-12-11 | 西安交通大学 | Louver hyperbolic-type slotted combined fin based on field cooperation principle |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1471944A (en) * | 1973-06-14 | 1977-04-27 | Kalnin I | Heat exchangers |
| CN101832727A (en) * | 2010-05-15 | 2010-09-15 | 广东美的电器股份有限公司 | Air-conditioning finned tube type heat exchanger |
| CN102087079A (en) * | 2011-02-23 | 2011-06-08 | 浙江工业大学 | Radial type reinforced heat exchange fin |
| CN202008311U (en) * | 2010-12-22 | 2011-10-12 | 珠海格力电器股份有限公司 | Finned tube type heat exchanger, fin thereof and air-conditioner outdoor unit |
| CN202255018U (en) * | 2011-09-22 | 2012-05-30 | 山东光大机械制造有限公司 | Efficient heat exchange fin for intercooler |
| CN202329344U (en) * | 2011-11-21 | 2012-07-11 | 格力电器（郑州）有限公司 | Pipe fin type heat exchanger |
| JP2014181827A (en) * | 2013-03-18 | 2014-09-29 | Fujitsu General Ltd | Heat exchanger |
| CN104180700A (en) * | 2014-08-22 | 2014-12-03 | 上海交通大学 | Radial inclined seam and vertical broken seam combined fin applied to small-tube-diameter heat exchangers |
| CN104677163A (en) * | 2015-02-16 | 2015-06-03 | 宁波市哈雷换热设备有限公司 | Heat exchanger fin |
| CN105806125A (en) * | 2016-05-26 | 2016-07-27 | 珠海格力电器股份有限公司 | Fin and air-conditioner heat exchanger |
| CN206572736U (en) * | 2017-02-10 | 2017-10-20 | 珠海格力电器股份有限公司 | Fin-tube heat exchanger and the air conditioner with it |
-
2017
- 2017-02-10 CN CN201710074271.5A patent/CN106642642A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1471944A (en) * | 1973-06-14 | 1977-04-27 | Kalnin I | Heat exchangers |
| CN101832727A (en) * | 2010-05-15 | 2010-09-15 | 广东美的电器股份有限公司 | Air-conditioning finned tube type heat exchanger |
| CN202008311U (en) * | 2010-12-22 | 2011-10-12 | 珠海格力电器股份有限公司 | Finned tube type heat exchanger, fin thereof and air-conditioner outdoor unit |
| CN102087079A (en) * | 2011-02-23 | 2011-06-08 | 浙江工业大学 | Radial type reinforced heat exchange fin |
| CN202255018U (en) * | 2011-09-22 | 2012-05-30 | 山东光大机械制造有限公司 | Efficient heat exchange fin for intercooler |
| CN202329344U (en) * | 2011-11-21 | 2012-07-11 | 格力电器（郑州）有限公司 | Pipe fin type heat exchanger |
| JP2014181827A (en) * | 2013-03-18 | 2014-09-29 | Fujitsu General Ltd | Heat exchanger |
| CN104180700A (en) * | 2014-08-22 | 2014-12-03 | 上海交通大学 | Radial inclined seam and vertical broken seam combined fin applied to small-tube-diameter heat exchangers |
| CN104677163A (en) * | 2015-02-16 | 2015-06-03 | 宁波市哈雷换热设备有限公司 | Heat exchanger fin |
| CN105806125A (en) * | 2016-05-26 | 2016-07-27 | 珠海格力电器股份有限公司 | Fin and air-conditioner heat exchanger |
| CN206572736U (en) * | 2017-02-10 | 2017-10-20 | 珠海格力电器股份有限公司 | Fin-tube heat exchanger and the air conditioner with it |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020062728A1 (en) * | 2018-09-30 | 2020-04-02 | 珠海格力电器股份有限公司 | Fin and heat exchanger with same |
| CN112066778A (en) * | 2020-08-04 | 2020-12-11 | 西安交通大学 | Louver hyperbolic-type slotted combined fin based on field cooperation principle |
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Application publication date: 20170510 |