CN103002717B - Convection heat radiation device - Google Patents

Convection heat radiation device Download PDF

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Publication number
CN103002717B
CN103002717B CN201210423640.4A CN201210423640A CN103002717B CN 103002717 B CN103002717 B CN 103002717B CN 201210423640 A CN201210423640 A CN 201210423640A CN 103002717 B CN103002717 B CN 103002717B
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conduit systems
fluid conduit
fluid
radiating tube
heat radiation
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CN103002717A (en
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任立元
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GUANGZHOU ZHUJIANG WIRE FACTORY CO Ltd
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Abstract

The invention discloses a convection heat radiation device comprising fluid, a fluid guide tube and heat radiation tubes. The fluid is filled in the fluid guide tube, the heat radiation tubes are closely attached to the surface of the fluid guide tube, the cross section of the fluid guide tube is circular, a spiral partition is attached to the inner wall of the fluid guide tube, and the width of the partition is equal to the radius of the fluid guide tube. The convection heat radiation device has the advantages of simple structure, low manufacturing cost, easiness in dust removal, no fan and noise and easiness mounting and extending, and is simulated in bionic-plant modeling appearance and easily accepted by people.

Description

Thermal convection device
Technical field
The invention belongs to technical field of heat transfer, be specifically related to a kind of thermal convection device.
Background technology
Fan cooling is heat dissipating method conventional at present, and shortcoming has been noise, has energy consumption, has dust and air exchange to be subject to the adverse effect of environment.Heat loss through convection is a kind of radiating mode of fan-free, heat loss through convection mode conventional is at present the contact area adopting thick and heavy metal parts to increase thermal source and air, this can increase the cost dispelling the heat and bring on the one hand, the distance of pyrotoxin and metal parts is also subject to the restriction of adopting heat pipes for heat transfer Distance geometry efficiency simultaneously, what is more important, the mode of this heat radiation can not be applicable to high-power heat-dissipation, and is subject to the restriction of existing electronic product structure.Therefore, how heat loss through convection is successfully applied to the heat dissipation problem of electronic product, can either comply with the structure and layout of Current electronic product, effectively can dispel the heat again, accomplish economy and durability simultaneously, still not be resolved up to now.
In heat dissipation technology, nearly all heat is all be dispersed in air, the general position contacted with air is in order to increase surface area, often adopt the structure of multiple radiating fin side by side, although this structure can increase the contact area with air, but can not coordinate with domestic environment, be difficult to directly as outward appearance, outside often needs to add covering, will suppress the flowing of air like this, and causes designer to have to introduce fan.In addition, the complex manufacturing technology of radiating fin, material cost is high, and the shape of radiating fin is subject to the serious restriction in space.When dust is attached to radiating fin surface, heat dispersion can reduce, and these dusts are difficult to remove with rag, often needs, with high pressure draught, to significantly limit the frequency removing dust like this, improve disposal costs.
For the defect of radiating fin, need to propose a kind of new heat dissipating method, the structure and layout of Current electronic product can either be complied with, effectively can dispel the heat again, accomplish economy and durability simultaneously, more can meet the ecological livable tendency consumption concept of people.
Summary of the invention
For the shortcoming of existing fan cooling and radiating fin, an important component part in a whole set of bionical heat loss through convection scheme that the present invention proposes as inventor, a kind of thermal convection device is provided, is applied to large area and exposes in atmosphere, realize heat conduction to the function in air.
The present invention realizes like this, a kind of thermal convection device, by fluid, fluid conduit systems and radiating tube composition, fluid conduit systems is filled with fluid, the outer surface of fluid conduit systems is close in the bottom of radiating tube, fluid conduit systems circular in cross-section, the inwall of fluid conduit systems posts demarcation strip, demarcation strip in the shape of a spiral, the width of demarcation strip equals the radius of fluid conduit systems, at least two radiating tubes are posted on the surface of fluid conduit systems, the material of fluid conduit systems and radiating tube is metal material, the material of demarcation strip is the non-conductor of heat, the angle that the long axis direction of fluid conduit systems and vertical direction are is less than 60 degree, the angle that the long axis direction of described radiating tube and vertical direction are is less than 60 degree, one of percentage of the volume of fluid conduit systems to 10 not by fluid filling.
Know-why of the present invention: hot fluid produces at thermal source position and enters fluid conduit systems, the track that hot fluid rises in cylindric conduit is similar to helical form, adopt spiral helicine demarcation strip that hot fluid can be allowed to rise along the lower part helical of demarcation strip, and cold fluid declines along the top spiral of demarcation strip, cold fluid and hot fluid separate by demarcation strip; In the spiralling process of hot fluid, the heat that hot fluid carries is delivered in air through radiating tube, and hot-air rises on radiating tube surface and takes away heat; In a tubular form, under the driving of stack effect, hot-air rises at the inner surface of radiating tube radiating tube, improves the efficiency of heat radiation; Cold fluid continues through radiating tube radiating and cooling in sinking watching, is back to thermal source position and is again heated, and reenters heat flow tube and enter thermal cycle next time.So just achieve the refrigerating function of hot fluid; Fluid chamber is not filled completely, is volumetric expansion headspace when fluid sets; Fluid conduit systems is close to by multiple radiating tube, increases the contact area with air, improves radiating efficiency.
Creativeness of the present invention is:
Hot fluid and cold fluid separate by a, spiral helicine demarcation strip, the heat dissipation that the mixing decreasing hot fluid and cold fluid brings, making the heat of hot fluid have higher efficiency drives hot fluid to rise, and increases the movement velocity of fluid circulation, improves Heat transmission speed;
B, radiating tube realize the transmission of heat to air, and stack effect advantageously in the rising of hot-air, improves heat transfer efficiency;
The heat dispersion of c, radiating element is easy to regulation and control, and the diameter of the length of designer's adjustable fluid conduit systems, the cross-sectional area of fluid conduit systems, radiating tube, length and quantity, obtain the radiating element of corresponding heat radiation power.
Technique effect of the present invention is: structure is simple, and cost of manufacture is low, easily removes dust, fan-free, and noiseless is easily installed, and easily expands, and imitative in appearance plant shaping, is easily accepted.
Accompanying drawing explanation
Fig. 1 is the cross sectional representation of the fluid conduit systems of the embodiment of the present invention.
Fig. 2 is the schematic cross-section of the side of the embodiment of the present invention.
Fig. 3 is the schematic cross-section of the side of the radiating tube of the embodiment of the present invention.
Accompanying drawing illustrates: 1, fluid conduit systems; 2, radiating tube; 3, demarcation strip; 4, the bottom of radiating tube.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with above-mentioned drawings and Examples, the present invention is described in further detail.
The embodiment of the present invention is as shown in Figure 1 to Figure 3: the present invention realizes like this, a kind of thermal convection device, be made up of fluid, fluid conduit systems 1 and radiating tube 2, fluid conduit systems 1 is filled with fluid, the outer surface of fluid conduit systems 1 is close in the bottom 4 of radiating tube, fluid conduit systems 1 circular in cross-section, and the inwall of fluid conduit systems 1 posts demarcation strip 3, in the shape of a spiral, the width of demarcation strip 3 equals the radius of fluid conduit systems 1 to demarcation strip 3.
Particularly, at least two radiating tubes 2 are posted on the surface of described fluid conduit systems 1.
Particularly, the material of described fluid conduit systems 1 and radiating tube 2 is metal materials.
Particularly, the material of described demarcation strip 3 is plastic materials.
Particularly, the long axis direction of described fluid conduit systems 1 is parallel to vertical direction.
Particularly, the angle that the long axis direction of described radiating tube 2 and vertical direction are is less than 60 degree.
Particularly, one of the percentage of the volume of described fluid conduit systems 1 to 10 not by fluid filling.
Particularly, described fluid is pure water, and pure water is through boiling process.
Particularly, the length of described fluid conduit systems 1 is 1.5 meters, the circular in cross-section of radiating tube 2, and the length of radiating tube 2 is 0.5 meter.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, such as all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (1)

1. a thermal convection device, it is characterized in that: described thermal convection device is by fluid, fluid conduit systems and radiating tube composition, described fluid conduit systems is filled with fluid, the outer surface of fluid conduit systems is close in the bottom of described radiating tube, described fluid conduit systems circular in cross-section, the inwall of described fluid conduit systems posts demarcation strip, demarcation strip in the shape of a spiral, the width of demarcation strip equals the radius of fluid conduit systems, at least two radiating tubes are posted on the surface of described fluid conduit systems, the material of described fluid conduit systems and radiating tube is metal material, the material of described demarcation strip is the non-conductor of heat, the angle that the long axis direction of described fluid conduit systems and vertical direction are is less than 60 degree, the angle that the long axis direction of described radiating tube and vertical direction are is less than 60 degree, one of percentage of the volume of described fluid conduit systems to 10 not by fluid filling.
CN201210423640.4A 2012-10-30 2012-10-30 Convection heat radiation device Active CN103002717B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210423640.4A CN103002717B (en) 2012-10-30 2012-10-30 Convection heat radiation device

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Application Number Priority Date Filing Date Title
CN201210423640.4A CN103002717B (en) 2012-10-30 2012-10-30 Convection heat radiation device

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CN103002717A CN103002717A (en) 2013-03-27
CN103002717B true CN103002717B (en) 2015-06-03

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104427829A (en) * 2013-09-05 2015-03-18 中央大学 Cooling system adopting passive heat discharge structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2406452Y (en) * 1999-12-16 2000-11-15 元山科技工业股份有限公司 Cooling device for heating element
CN101210785A (en) * 2006-12-30 2008-07-02 中国科学院理化技术研究所 Bionic power-driven heat pipe radiator
CN101699132A (en) * 2009-11-18 2010-04-28 深圳市爱能科技有限公司 LED module and LED lamps
CN202121916U (en) * 2011-06-30 2012-01-18 李达 Radiating tube and radiator provided with the radiating tube

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2406452Y (en) * 1999-12-16 2000-11-15 元山科技工业股份有限公司 Cooling device for heating element
CN101210785A (en) * 2006-12-30 2008-07-02 中国科学院理化技术研究所 Bionic power-driven heat pipe radiator
CN101699132A (en) * 2009-11-18 2010-04-28 深圳市爱能科技有限公司 LED module and LED lamps
CN202121916U (en) * 2011-06-30 2012-01-18 李达 Radiating tube and radiator provided with the radiating tube

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