CN106767089B - A kind of just counter-clockwise convection device of gilled tube radiator - Google Patents

A kind of just counter-clockwise convection device of gilled tube radiator Download PDF

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Publication number
CN106767089B
CN106767089B CN201611065172.2A CN201611065172A CN106767089B CN 106767089 B CN106767089 B CN 106767089B CN 201611065172 A CN201611065172 A CN 201611065172A CN 106767089 B CN106767089 B CN 106767089B
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CN
China
Prior art keywords
fin
guiding rudder
heat pipe
counter
convection device
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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.)
Expired - Fee Related
Application number
CN201611065172.2A
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Chinese (zh)
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CN106767089A (en
Inventor
蒋炎坤
刘佳鑫
何书默
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Huazhong University of Science and Technology
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Huazhong University of Science and Technology
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Priority to CN201611065172.2A priority Critical patent/CN106767089B/en
Publication of CN106767089A publication Critical patent/CN106767089A/en
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Publication of CN106767089B publication Critical patent/CN106767089B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0233Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes the conduits having a particular shape, e.g. non-circular cross-section, annular
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/02Tubular elements of cross-section which is non-circular
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/24Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates

Abstract

The invention belongs to sinking apparatus fields, specifically disclose a kind of just counter-clockwise convection device of gilled tube radiator, it includes fin, heat pipe and guiding rudder, according to the positional structure of the heat pipe, several shaped holes of punching press on parallel fin, the heat pipe is inserted in shaped hole fixed, guiding rudder is symmetrically fixedly installed on the heat pipe two sidewalls, the guiding rudder is lower resistance aircraft wing, and it is installed by certain angle, the guiding rudder setting angle of symmetric position is identical, gas between the fin formed in the vertical direction two it is parallel, the antipodal air spiral of rotation direction, realize cross-ventilation in the tangent part of two spirals.Just counter-clockwise convection device of the invention, on the basis of guaranteeing air proper flow, reinforce the heat transfer effect of heat pipe, fin wall surface and air, realize that air rotates in runner by setting angle simultaneously, it is just being rotated counterclockwise by the air in adjacent two runner, radiator performance is made to can adapt to the variation of various working.

Description

A kind of just counter-clockwise convection device of gilled tube radiator
Technical field
The invention belongs to heat sink apparatus fields, more particularly, to a kind of just counter-clockwise convection current of gilled tube radiator Device is able to ascend engineering truck piggyback pod intrinsic motivation cooling system heat radiator working performance.
Background technique
Since diesel engine has, revolving speed is low, torque is big and the series of advantages such as power is high, is largely used as power source application Among engineering truck.Due to using diesel oil as its main energy sources, fuel combustion bring heat needs shed in time Into environment.The effect of engine-cooling system is exactly to ensure that the temperature cylinder of diesel engine is maintained within reasonable interval, such as Fruit temperature cylinder is excessively high, then will appear oil film seal and be destroyed, or even phenomena such as " burning cylinder " occurs;If temperature cylinder is too low, It then will appear phenomena such as efficiency of combustion is lower, and fuel consumption persistently increases.Radiator as the main building block of cooling system, It is the place that the hot fluids such as coolant liquid and cold air carry out heat exchange, performance is better, cold for driving under the premise of heat dissipation capacity The consumption power that air carries out heat exchange is lower.Raising with country to horsepower requirements requires increasingly cooling system performance Strictly, to meet the requirement, usual way is increasing heat radiation area, however is restricted by engineering truck piggyback pod sectional dimension, The radiator finally used usually has larger thickness.Thereupon, cooling fan driving power increases sharply, and increases cooling System power dissipation and noise.Gilled tube radiator has preferable anti-blocking performance, higher structural strength and lower processing cost, quilt It is widely used among engineering truck cooling system, it is necessary to which its performance is promoted.
To guarantee that engine operation stability, heat radiation device working performance realize cooling system energy-saving and noise-reducing, it is necessary to Gilled tube radiator is redesigned.At present in product design, the heat pipe of gilled tube radiator would generally be flat tube, however, As entire vehicle design requires to be continuously improved, application is normally subject to fixed structure, and effect is limited.Therefore, it is necessary in tradition Gilled tube radiator on the basis of, pass through and introduce just counter-clockwise convection device, reinforce exchange capability of heat, thus heat radiation device Energy.
Since there are drawbacks described above and deficiency, this field needs to make existing gilled tube radiator further perfect And improvement, the energy-saving and noise-reducing of cooling system can be realized, and can adapt to different heat pipes while improving heat dissipation effect Structure.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of gilled tube radiator is just counter-clockwise Convection device, the device realize that air is oriented to by increasing a pair of symmetrical aircraft wing guiding rudder in flat hot pipe side wall, On the basis of guaranteeing air proper flow, reinforce the heat transfer effect of heat pipe, fin wall surface and air, while passing through setting angle Realize air rotation in runner, by the air rotating Vortex in adjacent two runner, forced air convection enables radiator performance Enough adapt to the variation of various working.Just counter-clockwise convection device of the invention can effectively improve the heat dissipation performance of radiator, The noise that cooling system can be reduced simultaneously, adapts to different heat pipe structures, is particularly suitable for the engine cool of engineering truck System.
To achieve the above object, according to one aspect of the present invention, provide a kind of gilled tube radiator just counterclockwise Convection device, which is characterized in that it includes fin, heat pipe and guiding rudder, and the heat pipe is flat tube, according to the heat pipe The heat pipe is inserted in shaped hole fixed, the heat pipe and flat by positional structure, several shaped holes of punching press on parallel fin Capable fin is vertical and arrangement is uniform, and guiding rudder is symmetrically fixedly installed on the heat pipe two sidewalls, and the guiding rudder is low Resistance aircraft wing, and installed by certain angle, the guiding rudder setting angle of symmetric position is identical, and the gas between the fin exists Two parallel, antipodal air spirals of rotation direction are formed on vertical direction, air pair is realized in the tangent part of two air spirals Stream.
Preferably, the setting angle range of the guiding rudder are as follows: 90 ° or 270 ° a≤360 ° < 0 °≤a <.Guiding rudder Setting angle is most important for the formation of airflow direction, can when the setting angle of guiding rudder controls within the above range Guarantee that air flowing is impregnable simultaneously, moreover it is possible to form identical two flow channels in flow direction, two gas flow to interior sky Gas rotary orientation on the contrary, to form the double air-flows of pressure, improves heat dissipation effect completely.
Preferably, development length of the guiding rudder in the fin are as follows: not less than the 1/20 of fin width, be not more than The 1/2 of fin width.
Preferably, the guiding rudder installation site is located among two fins, and not with the fin contacts.
The length control of guiding rudder within the above range, and the installation site of guiding rudder is between fin, not with institute Fin contacts are stated, can guarantee that the air flowing between fin is unaffected, while guiding rudder can change airflow direction, make it Forced air convection is formed, so that accelerated heat exchanges, improves heat exchange efficiency.
Preferably, the guiding rudder is the aerofoil profile or asymmetric aerofoil profile of symmetry class.Using the aerofoil profile of the above-mentioned type, subtract Resistance when few air flowing, to reduce influence of the guiding rudder for air velocity, while increasing heat exchange area, improves and change The heat exchange efficiency of hot systems.
Preferably, the guiding rudder is solid or hollow, side-closed or is not closed when hollow guiding rudder thickness is smaller, thick Side-closed when spending larger.Guiding rudder with larger thickness can be suppressed into hollow state in advance, and side is fixed on heat pipe On wall, installation order is alternately accomplished with fin;When as smaller such as guiding rudder thickness, geometrical characteristic can be retained, not closed side, It is fixed on heat pipe.Thick and heavy guiding rudder uses hollow structure, and the lesser guiding rudder of thickness is not closed original using side Shape increases heat exchange area while capable of farthest reducing materials, guarantee that heating conduction is unaffected, while reducing and dissipating The manufacturing cost of hot systems.
Preferably, the guiding rudder uses aluminium alloy or non-metallic material.Above-mentioned material has good heat transfer thermal conductivity Matter can rapidly realize heat exchange, be maintained at the temperature of heat-exchange system in certain temperature range, and above-mentioned material has matter Light advantage is measured, can reduce the weight of cooling system itself, and then reduce the energy consumption of engineering truck.
Preferably, the mounting means of the guiding rudder and heat pipe is carried out tentatively solid by the way of spot welding or strong binding It is fixed, it is finally realized using brazing mode whole fixed.Above-mentioned mounting means can guarantee secured solid between guiding rudder and heat pipe It is fixed, avoid the generation of guiding rudder dropping situations in use process.
The radiating of the just counter-clockwise convection device of gilled tube radiator of the invention are as follows: guiding rudder is mounted on two fins In intermediate heat pipe wall, using lower resistance aircraft wing as guiding rudder surface geometrical property, to realize air under lower resistance feature Water conservancy diversion;After established angle variation, air current flow direction changes, and high temperature air is by strong right near fin and tube surface Stream influences, surface of wandering about as a refugee, and high temperature surface and subsequent cold air are continued for heat exchange, and working efficiency is promoted;Meanwhile guiding rudder The surface area that can be used for effectively being exchanged heat is increased indirectly, further improves heat exchange efficiency;When two groups of opposite guiding rudders When angle meets specified conditions, air flow direction effectively improves air flow condition close to helical path;When adjacent two stream When road rotary orientation is opposite, path tangent region air flow property is reinforced, which respectively flows when not only can solve fan air-supply The non-uniform problem of road air quantity, and it can be effectively prevented from phenomena such as laminar flow bring heat transfer efficiency is low, meanwhile, it improves Radiator monomer performance further realizes cooling system energy conservation.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have the following advantages that and The utility model has the advantages that
(1) just counter-clockwise convection device of the invention establishes guiding rudder using the aircraft wing of lower resistance, is reducing as far as possible While resistance, the air for flowing into radiator is oriented to;By the air-flow of guiding, the high temperature air of fin surface is broken up, Forced air convection guarantees that the air themperature near fin surface is lower, thus improving heat exchanging efficiency;By reasonably installing Angle controls air aggregate velocity direction, can form helical flow under ideal state, promotes heat convection effect;Adjacent flow Two identical air spirals are formed in road, the tangent part of two spirals realizes forced convertion, improves heat exchange efficiency.
(2) just counter-clockwise convection device of the invention, the setting angle of guiding rudder for airflow direction formation to closing weight It wants, when the setting angle of guiding rudder controls within the scope of 90 ° or 270 ° a≤360 ° < 0 °≤a <, can guarantee that air flows While unaffected, moreover it is possible to form identical two flow channels in flow direction, be formed and force double air-flows, reach expected heat dissipation Effect.The setting of the length and installation site of guiding rudder can also guarantee that the air flowing between fin is unaffected, change simultaneously Become airflow direction, forms it into forced air convection.
(3) in the present invention selection of the material and shape of guiding rudder can guarantee its with good heat transfer thermal conductive property, It can rapidly realize heat exchange, be maintained at the temperature of heat-exchange system in certain temperature range, while also there is light weight Advantage can reduce the weight of cooling system itself, and then reduce the energy consumption of engineering truck.
(4) just counter-clockwise convection device structure of the invention is simply easily prepared, and low in cost, is suitble to large-scale production.
Detailed description of the invention
Fig. 1: the overall structure perspective view of the convection device of single channel is formed.
Fig. 2: the guiding rudder setting angle schematic diagram of the just counter-clockwise convection device of gilled tube radiator of the invention;In figure: a It is guiding rudder mounting axis (horizontal positioned when front end and rearmost end line) and horizontal plane institute into setting angle, is 0 ° in figure Angle.
Fig. 3: the installation perspective view of just counter-clockwise convection device of the invention.
Fig. 4: adjacent two runner realizes that convection current Airflow moves path under just counter-clockwise convection device effect of the invention Schematic diagram.
Fig. 5: the overall schematic of the just counter-clockwise convection device of the present invention.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which: 1, fin;2, hot Pipe;3, guiding rudder.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below Not constituting a conflict with each other can be combined with each other.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below Not constituting a conflict with each other can be combined with each other.
Fig. 1 explains the principle that air forms single channel under the action of guiding rudder in fin.Fig. 3 be it is of the invention just The installation perspective view of counter-clockwise convection device.Fig. 4 is that adjacent two runner is real under just counter-clockwise convection device effect of the invention Now just counter-clockwise convection current Airflow moves path schematic diagram.
The just counter-clockwise convection device of a kind of gilled tube radiator as shown in Figure 3 comprising fin, heat pipe and guiding Rudder, the heat pipe are flat tube, and according to the positional structure of the heat pipe, several shaped holes of punching press on parallel fin will The heat pipe, which is inserted in shaped hole, to be fixed, and the heat pipe is vertical with parallel fin and arrangement is uniform, in the heat pipe two sidewalls On be symmetrically fixedly installed with guiding rudder, the guiding rudder is lower resistance aircraft wing, and installs by certain angle, symmetric position Guiding rudder setting angle is identical, and the gas between the fin forms that two parallel, rotation direction is antipodal in the vertical direction Cross-ventilation is realized in air spiral, the tangent part of two air spirals.
Fig. 2 is the guiding rudder setting angle schematic diagram of the just counter-clockwise convection device of gilled tube radiator of the invention, at this In one preferred embodiment of invention, the setting angle range of the guiding rudder are as follows: 90 ° or 270 ° a≤360 ° < 0 °≤a <.
In a preferred embodiment of the invention, development length of the guiding rudder in the fin are as follows: be not less than The 1/20 of fin width, no more than the 1/2 of fin width.
In a preferred embodiment of the invention, the guiding rudder installation site is located among two fins, and not with institute State fin contacts or connection.
In a preferred embodiment of the invention, the guiding rudder is the aerofoil profile or asymmetric aerofoil profile of symmetry class.
In a preferred embodiment of the invention, the guiding rudder is solid or hollow, and hollow guiding rudder thickness is smaller When side-closed or do not close, side-closed when thickness is larger.
In a preferred embodiment of the invention, the guiding rudder uses aluminium alloy or non-metallic material.
In a preferred embodiment of the invention, the mounting means of the guiding rudder and heat pipe is viscous using spot welding or strength The mode of conjunction is tentatively fixed, and is finally realized using brazing mode whole fixed.
Preferably to explain the present invention, a specific embodiment given below:
Heat pipe 2 is stood on ground or fixed rack;According to 2 corresponding position of heat pipe on fin 1, punching press pore-forming, and Remove the material being punched down;After 1 hole location of fin is aligned with heat pipe 2, it is inserted in heat pipe 2, from bottom to up successively by specific after being inserted in Position arrangement;3 appearance geometrical characteristic of guiding rudder is processed into symmetrical aircraft wing, if guiding rudder has larger thickness, keeps external several What feature, inside be it is hollow, the two sides of heat pipe 2 are symmetrically fixed on using spot welding or other modes, if thickness is smaller, are then retained Surface geometrical property does not close on-fixed end side surface;Fin 1 and guiding rudder 3 are intersected by alternating sequence to be installed;After being installed, Fin 1, heat pipe 2 and guiding rudder 3 carry out integral braze-welded, guarantee structural strength.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include Within protection scope of the present invention.

Claims (8)

1. a kind of just counter-clockwise convection device of gilled tube radiator, which is characterized in that it includes fin (1), heat pipe (2) and leads To rudder (3), the heat pipe (2) is flat tube, according to the positional structure of the heat pipe (2), the punching press on parallel fin (1) The heat pipe (2) is inserted in shaped hole and fixes by several shaped holes, and the heat pipe (2) is vertical with parallel fin (1) and arranges Uniformly, it is symmetrically fixedly installed with guiding rudder (3) on the heat pipe (2) two sidewalls, the guiding rudder (3) is the lower resistance aircraft wing Type, and installed by certain angle, guiding rudder (3) setting angle of symmetric position is identical, which is the peace of guiding rudder (3) The angle for filling axis and horizontal plane, the gas between the fin (1) form two parallel, complete phases of rotation direction in the vertical direction Cross-ventilation is realized in anti-air spiral, the tangent part of two air spirals.
2. just counter-clockwise convection device as described in claim 1, which is characterized in that the setting angle model of the guiding rudder (3) It encloses are as follows: 90 ° or 270 ° a≤360 ° < 0 °≤a <.
3. just counter-clockwise convection device as claimed in claim 1 or 2, which is characterized in that the guiding rudder (3) is in the fin (1) development length in are as follows: be not less than the 1/20 of fin (1) width, be not more than the 1/2 of fin (1) width.
4. just counter-clockwise convection device according to claim 3, it is characterized in that: the guiding rudder (3) installation site is located at Two fins (1) are intermediate, and do not contact with the fin (1).
5. just counter-clockwise convection device according to claim 4, it is characterized in that: the guiding rudder (3) is symmetry class Aerofoil profile or asymmetric aerofoil profile.
6. just counter-clockwise convection device according to claim 5, it is characterized in that: the guiding rudder (3) be it is solid or hollow, It side-closed or is not closed, side-closed when thickness is larger when hollow guiding rudder thickness is smaller.
7. just counter-clockwise convection device according to claim 6, it is characterized in that: the guiding rudder (3) using aluminium alloy or Non-metallic material.
8. just counter-clockwise convection device according to claim 7, it is characterized in that: the peace of the guiding rudder (3) and heat pipe (2) Dress mode is tentatively fixed by the way of spot welding or strong binding, is finally realized using brazing mode whole fixed.
CN201611065172.2A 2016-11-28 2016-11-28 A kind of just counter-clockwise convection device of gilled tube radiator Expired - Fee Related CN106767089B (en)

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CN201611065172.2A CN106767089B (en) 2016-11-28 2016-11-28 A kind of just counter-clockwise convection device of gilled tube radiator

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CN201611065172.2A CN106767089B (en) 2016-11-28 2016-11-28 A kind of just counter-clockwise convection device of gilled tube radiator

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Publication number Priority date Publication date Assignee Title
CN111059924A (en) * 2019-12-28 2020-04-24 江西麦克斯韦科技有限公司 Double-sided elliptical streaming water-cooling radiator

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US858258A (en) * 1906-09-28 1907-06-25 Briscoe Mfg Company Process of manufacturing radiators.
JPH09159386A (en) * 1995-12-13 1997-06-20 Sanden Corp Multiple pipe heat exchanger
CN2454751Y (en) * 2000-12-07 2001-10-17 财团法人工业技术研究院 Fin-radiator fins with vortex generator
US6802362B2 (en) * 2002-02-21 2004-10-12 Thermal Corp. Fin with elongated hole and heat pipe with elongated cross section
CN201488626U (en) * 2009-07-09 2010-05-26 跃腾科技股份有限公司 Heat tube type radiating fin capable of generating vortex
CN102121798A (en) * 2011-03-25 2011-07-13 兰州交通大学 Flat tube-fin heat exchanger with double-side vortex generator
CN105180702A (en) * 2015-09-28 2015-12-23 湖北雷迪特冷却系统股份有限公司 Heat radiating turbulence tube

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