CN203719487U - Heat exchange tube - Google Patents

Heat exchange tube Download PDF

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Publication number
CN203719487U
CN203719487U CN201320760191.2U CN201320760191U CN203719487U CN 203719487 U CN203719487 U CN 203719487U CN 201320760191 U CN201320760191 U CN 201320760191U CN 203719487 U CN203719487 U CN 203719487U
Authority
CN
China
Prior art keywords
groove
long
heat exchanger
exchanger tube
short
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.)
Expired - Fee Related
Application number
CN201320760191.2U
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Chinese (zh)
Inventor
朱胜利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KUNSHAN DETAI METAL TECHNOLOGY Co Ltd
Original Assignee
KUNSHAN DETAI METAL TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KUNSHAN DETAI METAL TECHNOLOGY Co Ltd filed Critical KUNSHAN DETAI METAL TECHNOLOGY Co Ltd
Priority to CN201320760191.2U priority Critical patent/CN203719487U/en
Application granted granted Critical
Publication of CN203719487U publication Critical patent/CN203719487U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the technical field of heat exchange, and discloses a heat exchange tube. The heat exchange tube comprises a hollow smooth tube, wherein a plurality of long groove teeth are uniformly formed in the inner wall of the hollow smooth tube, first capillary structures are arranged between adjacent long groove teeth, and comprise long grooves, and second capillary structures are arranged on the long groove teeth, and each of the second capillary structures comprise at least one short groove. The heat exchange tube disclosed by the utility model has the benefits that the heat exchange tube with 'wall' type teeth increases the capillary structures of the short grooves, therefore, the axial heat transfer power is increased by about 5%; the heat transfer area of an inner surface is enlarged to increase the radial heat absorption (an evaporation section) and heat dissipation (a condensation section) power by about 10%; a capillary pressure head of the short groove is about 3 times than that of a long groove tube, so that the thermal response rate is increased and the anti-gravity effect of the heat pipe is enhanced ; the addendum width of the long groove tube is reduced by about half, so that the thickness of a condensate film is thinned, the condensation heat resistance is reduced, and the condensation heat transfer power is enhanced.

Description

A kind of heat exchanger tube
Technical field
The utility model relates to technical field of heat exchange, relates in particular to a kind of heat exchanger tube.
Background technology
Current electronic product tends to compact future development, the caloric value of components and parts is along with the increase of allocating power is also more and more higher, and the Micro/Miniature Heat Pipes with high thermal conductivity, good isothermal, rapid thermal response, minor structure size has become the desirable heat conducting element of electronic product radiating.And the heat transfer property of micro heat pipe depends primarily on the liquid sucting core structure of inside heat pipe, therefore, it is the study hotspot of Chinese scholars that the liquid-sucking core of micro heat pipe and the optimization of heat transfer property improve always.
Conduit heat pipe is as one of the most widely used liquid sucting core structure, its structure has also been carried out large quantity research for the impact of heat transfer property, according to now studies have found that, the heat flow of short fluted tube is less, but thermal response rates and antigravity effect are better, the heat flow of long groove heat pipe is large, but thermal response rates and antigravity effect are not as short fluted tube.
Utility model content
The purpose of this utility model is to propose a kind of heat exchanger tube, can make system that long fluted tube and short fluted tube advantage are merged, on the basis of long fluted tube, further improve heat flow, thermal response speed and antigravity effect have higher security, stability and reliability.
For reaching this object, the utility model by the following technical solutions:
A kind of heat exchanger tube, comprise: the smooth pipe of hollow, on the inwall of described smooth pipe, be evenly provided with multiple long ditch teeth, between adjacent long ditch tooth, be provided with the first capillary structure, described the first capillary structure comprises long groove, on long ditch tooth, be provided with the second capillary structure, described the second capillary structure comprises at least one short groove.
Wherein, described short groove is opened in the tooth top portion on long ditch tooth top.
Wherein, the both sides at described short groove top are connected with respectively short ditch tooth.
Wherein, described long ditch tooth and axis are the angle of 0-45 °, and described short ditch tooth and axis are the angle of 0-45 °.
Wherein, the scope of the addendum angle a1 of described long groove is 0 °-30 °, and the angular range of the addendum angle a2 of described short groove is 0 °-30 °.
Wherein, the groove width w1 scope of described long groove is 0.1~0.25mm, and the groove width w2 scope of described short groove is 0.02~0.10mm.
Wherein, described long groove tooth depth h1 is 0.15~0.3mm, and short groove tooth depth h2 is 0.02~0.15mm.
Wherein, the cross sectional shape of described long groove and short groove is to be rectangle or trapezoidal one.
Wherein, the material of described heat exchanger tube is the one in copper, aluminium, titanium, steel metal.
The beneficial effects of the utility model are: the heat exchanger tube with " city wall " type tooth has increased the capillary structure of short groove, and axial heat conduction power has improved 5% left and right; Inner surface heat transfer area increases, and radially heat absorption (evaporator section), heat radiation (condensation segment) power have improved 10% left and right; The capillary pressure head of short groove is 3 times of left and right of long fluted tube, has improved thermal response rates and the antigravity effect of heat pipe; The addendum width of long fluted tube has dwindled about half, has drawn condensate film thickness thin, has reduced condensation thermal resistance, has improved condensation heat transfer power.
Brief description of the drawings
Fig. 1 is the structural representation of the long ditch tooth pipe of prior art;
Fig. 2 is the cutaway view of the heat exchanger tube that provides of the utility model detailed description of the invention;
Fig. 3 is the schematic diagram of the production mould of the heat exchanger tube that provides of the utility model detailed description of the invention;
Fig. 4 is the structural representation of the heat exchanger tube that provides of the utility model detailed description of the invention.
In figure:
101, smooth pipe; 102, long groove; 103, tooth top portion; 104, short groove; 105, short ditch tooth; 201, smooth pipe; 202, long groove; 203, long ditch tooth; 301, long ditch tooth tool; 302, short ditch tooth tool; 401, the first capillary structure; 402, the second capillary structure.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by detailed description of the invention.
As shown in Figure 1, accompanying drawing is the structural representation of the long ditch tooth pipe of prior art, this long ditch tooth pipe comprises the smooth pipe 201 of hollow, on the inwall of described smooth pipe 201, be evenly equipped with multiple long ditch teeth 203, between described adjacent long ditch tooth 203, have capillary structure, described capillary structure is made up of long groove; And this long ditch tooth pipe is known rotary press modelling in the industry.
As in Figure 2-4, the present embodiment provides a kind of heat exchanger tube, comprise: the smooth pipe 101 of hollow, on the inwall of described smooth pipe 101, be evenly provided with multiple long ditch teeth, between adjacent long ditch tooth, be provided with the first capillary structure, described the first capillary structure comprises long groove 102, on long ditch tooth, is provided with the second capillary structure, and described the second capillary structure comprises at least one short groove 104.
When concrete application, described short groove 104 can be opened in the tooth top portion 103 on long ditch tooth top.Described short groove 104 also can be opened on the bottom surface of long groove 102.Or on the bottom surface of tooth top portion 103 and long groove 102, offer respectively at least one short groove 104 according to the situation of heat radiation.
The both sides at described short groove 104 tops are connected with respectively short ditch tooth 105.
Described long ditch tooth and described short ditch tooth 105 are all angle with the axial line of heat exchanger tube, and described long ditch tooth and axis are the angle of 0-45 °.Described short ditch tooth 105 is the angle of 0-45 ° with axis.
The cross sectional shape of described long groove 102 and short groove 104 is to be rectangle or trapezoidal one.When long groove 102 and short groove 104 are when trapezoidal, the angular range of the addendum angle a1 of preferred described long groove 102 is 0 °-30 °, and the angular range of the addendum angle a2 of described short groove 104 is 0 °-30 °.
Preferably, the groove width w1 scope of described long groove 102 is 0.1~0.25mm, and the groove width w2 scope of described short groove 104 is 0.02~0.10mm; Described long groove 102 tooth depth h1 are 0.15~0.3mm, and short groove 104 tooth depth h2 are 0.02~0.15mm.
The material of described heat exchanger tube is the one in the metals such as copper, aluminium, titanium, steel.In the present embodiment, this heat exchanger tube uses soft state metal tube, through ball spinning, metal is pressed in the conduit of special mould, final formation " city wall " type tooth heat exchanger tube consistent with mold shape.
As shown in Figure 3, the production mould of this heat exchanger tube comprises long ditch tooth tool 301 and short ditch tooth tool 302, described long ditch tooth tool 301 and short ditch tooth 105 tools are axial array, are respectively used to the long groove 102 of moulding the first capillary structure and the short groove 104 of the second capillary structure.
Wherein long ditch tooth tool 301 is the utility model and existing product mould common characteristic, and in order to realize " city wall " type tooth of producing in this heat exchanger tube, at the long flute surfaces milling short ditch tooth tool 302 that is shaped, in spinning process, pipe material inner wall and mould laminating, the heat exchanger tube of formation " city wall " type tooth.
As shown in Figure 4, further, a kind of heat exchanger tube described in the present embodiment, the riffled tube that this heat exchanger tube is 6mm by external diameter φ is through conventional heat pipe processing procedure, the heat exchanger tube being made into.The specification of described heat exchanger tube is: the thick 0.3mm of diapire, and the high 0.25mm of long groove, long ditch groove width 0.18mm, the high 0.05mm of short groove, short ditch groove width 0.04mm, groove number is 55.
This heat exchanger tube has two kinds of capillary structures, be respectively the first capillary structure 401 and the second capillary structure 402, described the first capillary structure 401 and the second capillary structure 402, on the basis of original technology, have improved heat transfer efficiency, thermal response rates and the antigravity ability of heat pipe.
In sum, the heat exchanger tube with " city wall " type tooth has increased the capillary structure of short groove, and axial heat conduction power has improved 5% left and right; Inner surface heat transfer area increases, and radially heat absorption (evaporator section), heat radiation (condensation segment) power have improved 10% left and right; The capillary pressure head of short groove is 3 times of left and right of long fluted tube, has improved thermal response rates and the antigravity effect of heat pipe; The addendum width of long fluted tube has dwindled about half, has drawn condensate film thickness thin, has reduced condensation thermal resistance, has improved condensation heat transfer power.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, within these modes all will fall into protection domain of the present utility model.

Claims (9)

1. a heat exchanger tube, it is characterized in that, comprise: the smooth pipe of hollow, on the inwall of described smooth pipe, be evenly provided with multiple long ditch teeth, between adjacent long ditch tooth, be provided with the first capillary structure, described the first capillary structure comprises long groove, on long ditch tooth, is provided with the second capillary structure, and described the second capillary structure comprises at least one short groove.
2. heat exchanger tube according to claim 1, is characterized in that, described short groove is opened in the tooth top portion on long ditch tooth top.
3. heat exchanger tube according to claim 2, is characterized in that, the both sides at described short groove top are connected with respectively short ditch tooth.
4. heat exchanger tube according to claim 3, is characterized in that, described long ditch tooth and axis are the angle of 0-45 °, and described short ditch tooth and axis are the angle of 0-45 °.
5. heat exchanger tube according to claim 3, is characterized in that, the scope of the addendum angle a1 of described long groove is 0 °-30 °, and the angular range of the addendum angle a2 of described short groove is 0 °-30 °.
6. heat exchanger tube according to claim 3, is characterized in that, the groove width w1 scope of described long groove is 0.1~0.25mm, and the groove width w2 scope of described short groove is 0.02~0.10mm.
7. heat exchanger tube according to claim 3, is characterized in that, described long groove tooth depth h1 is 0.15~0.3mm, and short groove tooth depth h2 is 0.02~0.15mm.
8. heat exchanger tube according to claim 3, is characterized in that, the cross sectional shape of described long groove and short groove is to be rectangle or trapezoidal one.
9. heat exchanger tube according to claim 1, is characterized in that, the material of described heat exchanger tube is the one in copper, aluminium, titanium, steel metal.
CN201320760191.2U 2013-11-26 2013-11-26 Heat exchange tube Expired - Fee Related CN203719487U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320760191.2U CN203719487U (en) 2013-11-26 2013-11-26 Heat exchange tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320760191.2U CN203719487U (en) 2013-11-26 2013-11-26 Heat exchange tube

Publications (1)

Publication Number Publication Date
CN203719487U true CN203719487U (en) 2014-07-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320760191.2U Expired - Fee Related CN203719487U (en) 2013-11-26 2013-11-26 Heat exchange tube

Country Status (1)

Country Link
CN (1) CN203719487U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103591820A (en) * 2013-11-26 2014-02-19 昆山德泰新材料科技有限公司 Heat exchange tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103591820A (en) * 2013-11-26 2014-02-19 昆山德泰新材料科技有限公司 Heat exchange tube

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140716

Termination date: 20181126

CF01 Termination of patent right due to non-payment of annual fee