CN206496687U - Fin-tube type heat exchanger - Google Patents
Fin-tube type heat exchanger Download PDFInfo
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- CN206496687U CN206496687U CN201621279531.XU CN201621279531U CN206496687U CN 206496687 U CN206496687 U CN 206496687U CN 201621279531 U CN201621279531 U CN 201621279531U CN 206496687 U CN206496687 U CN 206496687U
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Abstract
The utility model discloses a kind of fin-tube type heat exchanger, including:Heat exchanger tube, the heat exchanger tube is pipe, and the internal perisporium of the heat exchanger tube is provided with multiple helical tooths, axial screw extension of each helical tooth along the heat exchanger tube, the external diameter of the heat exchanger tube is D, the wall thickness of the heat exchanger tube is t, and the addendum angle of each helical tooth is α, and the helical angle of each helical tooth is β, the a height of h of tooth of each helical tooth, the number of the helical tooth is n, wherein, described D, t, α, β, h, n are met respectively:D=9.52mm, 0.27mm≤t≤0.3mm, 10 °≤α≤15 °, 38 °≤β≤43 °, 0.1mm≤h≤0.14mm, 70≤n≤90.According to fin-tube type heat exchanger of the present utility model, the helical tooth of above-mentioned parameter is met by being set in heat exchanger tube, the high and less addendum angle of larger helical angle, the more number of teeth, relatively low tooth is made it have, improves the heat exchange property of fin-tube type heat exchanger.
Description
Technical field
The utility model is related to technical field of heat exchangers, more particularly, to a kind of fin-tube type heat exchanger.
Background technology
Fin-tube type heat exchanger is widely used in the especially field of air conditioning of cooling and warming field, the heat exchange of fin-tube type heat exchanger
Pipe is mainly made up of fin and copper pipe.To reach the Energy Efficiency Ratio for improving air-conditioning, the purpose for realizing air conditioner energy saving, meanwhile, in order to control
The cost of air-conditioning processed is, it is necessary to further lift the heat exchange property of fin-tube type heat exchanger.
Utility model content
The utility model aims to solve the problem that one of technical problem present in prior art.Therefore, one of the present utility model
Purpose is to propose a kind of fin-tube type heat exchanger, and the heat exchange property of this fin-tube type heat exchanger is higher.
According to fin-tube type heat exchanger of the present utility model, including:Heat exchanger tube, the heat exchanger tube is pipe, the heat exchanger tube
Internal perisporium be provided with multiple helical tooths, axial screw extension of each helical tooth along the heat exchanger tube, the heat exchanger tube
External diameter be D, the wall thickness of the heat exchanger tube is t, and the addendum angle of each helical tooth is α, the spiral of each helical tooth
Angle is β, a height of h of tooth of each helical tooth, and the number of the helical tooth is n, wherein, described D, t, α, β, h, n are full respectively
Foot:D=9.52mm, 0.27mm≤t≤0.3mm, 10 °≤α≤15 °, 38 °≤β≤43 °, 0.1mm≤h≤0.14mm, 70≤
N≤90.
According to fin-tube type heat exchanger of the present utility model, the helical tooth of above-mentioned parameter is met by being set in heat exchanger tube,
The high and less addendum angle of larger helical angle, the more number of teeth, relatively low tooth is made it have, so that heat exchanger tube is in consumptive material base
In the case that this is constant, the heat exchange property of fin-tube type heat exchanger is improved.
In addition, can also have following additional technical feature according to fin-tube type heat exchanger of the present utility model:
According to one embodiment of the present utility model, the heat exchanger tube is copper pipe.
According to one embodiment of the present utility model, described t, α, β, h, n are further respectively to be met:T=0.27mm, α=
12 °, β=40 °, h=0.12mm, n=85.
According to one embodiment of the present utility model, described t, α, β, h, n are further respectively to be met:T=0.27mm, α=
12 °, β=42 °, h=0.12mm, n=70.
According to one embodiment of the present utility model, the shape of cross section of each helical tooth is triangle.
According to one embodiment of the present utility model, the tooth top of each helical tooth is outwardly arcuate structure.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein:
Fig. 1 is the profile of the heat exchanger tube of the fin-tube type heat exchanger according to the utility model embodiment;
Fig. 2 is the cross section partial enlarged drawing of the heat exchanger tube shown in Fig. 1.
Reference:
100:Heat exchanger tube;101:Helical tooth.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on shown in the drawings
Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, unless otherwise indicated, the implication of " multiple "
It is two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Below with reference to fin-tube type heat exchanger of Fig. 1 and Fig. 2 descriptions according to the utility model embodiment.
As depicted in figs. 1 and 2, according to the fin-tube type heat exchanger of the utility model embodiment, including heat exchanger tube 100.
For example, as depicted in figs. 1 and 2, heat exchanger tube 100 can be pipe, the internal perisporium of heat exchanger tube 100 is provided with multiple spiral shells
Tooth 101 is revolved, axial screw of each helical tooth 101 along heat exchanger tube 100 extends, the external diameter of heat exchanger tube 100 is D, heat exchanger tube 100
Wall thickness is t, and the addendum angle of each helical tooth 101 is α, and the helical angle of each helical tooth 101 is β, and the tooth of each helical tooth 101 is high
For h, the number of helical tooth 101 is n, wherein, D, t, α, β, h, n are met respectively:D=9.52mm, 0.27mm≤t≤0.3mm,
10 °≤α≤15 °, 38 °≤β≤43 °, 0.1mm≤h≤0.14mm, 70≤n≤90.Thus, by heat exchanger tube 100
Above-mentioned helical tooth 101 is set, the high and less addendum angle of larger helical angle, the more number of teeth, relatively low tooth is made it have,
So that heat exchanger tube 100 is in the case where consumptive material is basically unchanged, the heat exchange property of heat exchanger tube 100 is improved, and then improves pipe
The heat exchange property of fin heat exchanger.Wherein, multiple helical tooths 101 are preferably evenly distributed on heat exchanger tube along the circumference of heat exchanger tube 100
On 100 internal perisporium, to be processed with more preferable heat exchange efficiency, and conveniently.
Specifically, the presence of the inner-spiral angle of heat exchanger tube 100 is the fluid such as refrigerant in order that in heat exchanger tube 100
It can be made to produce and radially different Secondary Flow, increase the intensity of fluid turbulent with spiral rotating, so that strengthen heat exchange, thus,
Appropriate increase helical angle can lift heat exchange property.Moreover, increase helical tooth 101 the number of teeth can increase the nucleus of boiling (for example,
The gas or steam contained in cut or hole on the inner surface of heat exchanger tube 100, can all be used as the nucleus of boiling) number, be close to
After such as refrigerant vaporization of the liquid of these nucleus of boiling, form steam bubble and gradually grow up, then depart from the interior table of heat exchanger tube 100
Face, and there is new steam bubble to be formed, the frequency of the inner surface of bubble departure heat exchanger tube 100 is fast, then is changed in steam bubble formation with disengaging
During 100 inner surface of heat pipe, the liquid such as refrigerant exchange wall of heat pipe 100 is had a larger impact and disturbance, heat transfer effect compared with
It is good, and the tooth pitch of helical tooth 101 can be made more reasonable, improve the utilization rate of the tubing of heat exchanger tube 100.In addition, reduction tooth is high, subtract
Small addendum angle, can increase wetted perimeter (periphery that i.e. flow section upper fluid is contacted with heat exchanging pipe wall) length, so as to increase
Heat exchange area, and can reduce heat exchanger tube 100 use material amount, reduce cost.
According to the fin-tube type heat exchanger of the utility model embodiment, above-mentioned parameter is met by being set in heat exchanger tube 100
Helical tooth 101, the high and less addendum angle of larger helical angle, the more number of teeth, relatively low tooth is made it have, so that changing
Heat pipe 100 improves the heat exchange property of fin-tube type heat exchanger in the case where consumptive material is basically unchanged.
In one embodiment of the present utility model, heat exchanger tube 100 can be copper pipe, and the thermal conductivity of copper is good, it is possible thereby to
The heat exchange property of heat exchanger tube 100 is further lifted, so as to further improve the heat exchange property of fin-tube type heat exchanger.Certainly, exchange heat
Pipe 100 can also be made of the tubing of other materials.
In further embodiment of the present utility model, t, α, β, h, n are further respectively to be met:T=0.27mm, α=
12 °, β=40 °, h=0.12mm, n=85.In this regard, for verify using above-mentioned parameter heat exchanger tube 100 heat exchange property compared with
It is good, heat exchange property simulation analysis are carried out under evaporation operating mode by conventional heat exchanger tube and using the heat exchanger tube 100 of above-mentioned parameter,
Calculated results are as shown in table 1.From table 1 it follows that using the heat exchanger tube 100 according to the utility model above-mentioned parameter with
Conventional heat exchanger tube is compared, and the heat exchange property of heat exchanger tube 100 improves 10%~20%, and its consumable quantity is basically unchanged.
The heat exchange property result of calculation contrast table of the heat exchanger tube 100 of table 1 and conventional heat exchanger tube
In another embodiment of the present utility model, t, α, β, h, n are further respectively to be met:T=0.27mm, α=
12 °, β=42 °, h=0.12mm, n=70.In this regard, for verify using above-mentioned parameter heat exchanger tube 100 heat exchange property compared with
It is good, heat exchange property simulation analysis are carried out under condensing condition by conventional heat exchanger tube and using the heat exchanger tube 100 of above-mentioned parameter,
Calculated results are as shown in table 2.From Table 2, it can be seen that using the heat exchanger tube 100 according to the utility model above-mentioned parameter with
Conventional heat exchanger tube is compared, and the heat exchange property of heat exchanger tube 100 improves 10%~20%, and its consumable quantity is basically unchanged.
The heat exchange property result of calculation contrast table of the heat exchanger tube 100 of table 2 and conventional heat exchanger tube
Alternatively, as shown in Fig. 2 the shape of cross section of each helical tooth 101 is triangle, thus, the knot of helical tooth 101
Structure is simple, convenient processing.Certainly, the shape of cross section of helical tooth 101 can also be set to according to actual requirement trapezoidal grade other
Shape.
Still optionally further, as shown in Fig. 2 the tooth top of each helical tooth 101 is outwardly arcuate structure, helical tooth
101 two sides substantially rounding off can be connected by the arcuate structure, so as to further facilitate adding for helical tooth 101
Work, and then facilitate the processing of heat exchanger tube 100.
According to other compositions of the fin-tube type heat exchanger of the utility model embodiment and operation for the common skill in this area
All it is known for art personnel, is 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 to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can in an appropriate manner be combined in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle of the present utility model and objective, replaced
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (6)
1. a kind of fin-tube type heat exchanger, it is characterised in that including:
Heat exchanger tube, the heat exchanger tube is pipe, and the internal perisporium of the heat exchanger tube is provided with multiple helical tooths, each helical tooth
Extend along the axial screw of the heat exchanger tube, the external diameter of the heat exchanger tube is D, and the wall thickness of the heat exchanger tube is t, each spiral shell
The addendum angle for revolving tooth is α, and the helical angle of each helical tooth is β, a height of h of tooth of each helical tooth, the helical tooth
Number be n, wherein, described D, t, α, β, h, n are met respectively:
D=9.52mm, 0.27mm≤t≤0.3mm, 10 °≤α≤15 °, 38 °≤β≤43 °, 0.1mm≤h≤0.14mm, 70
≤ n≤90.
2. fin-tube type heat exchanger according to claim 1, it is characterised in that the heat exchanger tube is copper pipe.
3. fin-tube type heat exchanger according to claim 1, it is characterised in that described t, α, β, h, n are further respectively to be met:
T=0.27mm, α=12 °, β=40 °, h=0.12mm, n=85.
4. fin-tube type heat exchanger according to claim 1, it is characterised in that described t, α, β, h, n are further respectively to be met:
T=0.27mm, α=12 °, β=42 °, h=0.12mm, n=70.
5. fin-tube type heat exchanger according to claim 1, it is characterised in that each the shape of cross section of the helical tooth is
Triangle.
6. fin-tube type heat exchanger according to claim 5, it is characterised in that the tooth top of each helical tooth is convex
The arcuate structure gone out.
Priority Applications (1)
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CN201621279531.XU CN206496687U (en) | 2016-11-25 | 2016-11-25 | Fin-tube type heat exchanger |
Applications Claiming Priority (1)
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CN201621279531.XU CN206496687U (en) | 2016-11-25 | 2016-11-25 | Fin-tube type heat exchanger |
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CN206496687U true CN206496687U (en) | 2017-09-15 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021057916A1 (en) * | 2019-09-27 | 2021-04-01 | 约克(无锡)空调冷冻设备有限公司 | Heat exchange pipe, heat exchanger and air conditioning system using heat exchanger |
-
2016
- 2016-11-25 CN CN201621279531.XU patent/CN206496687U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021057916A1 (en) * | 2019-09-27 | 2021-04-01 | 约克(无锡)空调冷冻设备有限公司 | Heat exchange pipe, heat exchanger and air conditioning system using heat exchanger |
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