CN201221911Y - Heat transmission copper pipe - Google Patents
Heat transmission copper pipe Download PDFInfo
- Publication number
- CN201221911Y CN201221911Y CNU2008200361315U CN200820036131U CN201221911Y CN 201221911 Y CN201221911 Y CN 201221911Y CN U2008200361315 U CNU2008200361315 U CN U2008200361315U CN 200820036131 U CN200820036131 U CN 200820036131U CN 201221911 Y CN201221911 Y CN 201221911Y
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- China
- Prior art keywords
- copper pipe
- conduit
- heat transmission
- heat
- tooth
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a heat-transfer copper pipe, which comprises a copper pipe main body with an inner cavity, wherein, the inner circumference of the copper main body is provided with a plurality of tooth ribs that are paralleled to each other and extend in the axial direction, and a conduit is arranged between two adjacent tooth ribs, and the conduit with at least two widths, so that the conduits can be divided into the wide conduits and the narrow conduits; when the heat-transfer copper pipe is undertaken the bending processing, the root part of the inner teeth at the bending place is easy to extend towards grooves at both sides of the copper pipe; when the conduit is wide, even the inner teeth expand, the conduit is free from being completely blocked, thereby preventing the capillary structure from being damaged; the condensed liquid flows smoothly, so as to improve the heat exchanging efficiency.
Description
Technical field
The utility model belongs to electronic radiation module special purpose copper Manifold technology field, relates to the special-purpose heat transmission copper pipe of a kind of computer radiator, solar thermal collector and other electronic radiation device.
Background technology
Along with the continuous development of electronic technology, the integrated degree of electronic device is more and more higher, and its physical size is more and more littler, and heat flow density also increases thereupon, and the formation of high heat flux has brought the thermal control requirement higher to electronic component.Traditional fan radiator, air blast, cold drawing, fan case, temperature-difference refrigerating, heat exchanger, vortex tube and air-conditioning etc., can not satisfy the demand of high heat flux heat radiation, and the micro heat pipe radiator is owing to have the good characteristics such as invertibity of compactness, high thermal conductivity, heat flow density changeability, direction of heat flow, become the main flow of microelectronic component and system radiating thereof already, and become the key that can following chip integration technology continue to develop.
At present the main body material of micro heat pipe radiator is sintering copper pipe and groove copper pipe, but the sintering copper pipe is owing to be subjected to the influence of factors such as copper powder purity, granularity and sintering temperature and the sintering uniformity more, and the quality homogeneity is difficult to assurance.And the groove copper pipe is owing to adopt the integral forming technique manufacturing, convenient for production, low cost of manufacture, quality stability are good, but its plough groove type structure direction is too strong, in the process that the groove copper pipe is processed into the bending heat pipe, the tooth root portion of bending place internal tooth can extend to the groove expansion of both sides easily, thereby cause groove to block, capillary structure is destroyed, causes the heat pipe for thermal conductivity performance to decline to a great extent.
Summary of the invention
The purpose of this utility model provides a kind of heat transmission copper pipe, and this heat transmission copper pipe is still had higher heat exchange efficiency after bending.
For achieving the above object, the technical solution adopted in the utility model is: a kind of heat transmission copper pipe, comprise copper pipe body with inner chamber, being distributed with many on the inner peripheral surface of described copper pipe body is parallel to each other and along its axially extended tooth rib, form conduit between described adjacent two tooth ribs, the width of described conduit has two kinds at least.
The width of described conduit has two kinds, and described conduit comprises sipes road, narrow conduit.
Described sipes road, described narrow conduit are provided with separately.
Described tooth rib is the straight-tooth shape.
The bottom of described tooth rib is 0.05～0.30mm to the height between the top.
The external diameter of described copper pipe body is 4～25mm.
The number of the above tooth rib of the inner peripheral surface of described copper pipe body is 30～100.
Perpendicular to described copper pipe body shaft to the cross section on, roughly triangular in shape, the trapezoidal or rectangle of described tooth rib.
Because the utilization of technique scheme, the utlity model has following advantage: be distributed with many on the inner peripheral surface of copper pipe body and be parallel to each other and along its axially extended tooth rib, between adjacent two tooth ribs, form conduit, the width of conduit has two kinds at least, therefore conduit can be divided into the broad conduit on the whole, narrower conduit, heat transmission copper pipe is when being carried out bending process, the tooth root portion of bending place internal tooth can extend to the groove expansion of both sides easily, when the conduit broad, even there is the expansion of internal tooth, conduit can not stopped up fully yet, just prevents that capillary structure is destroyed, it is unobstructed that condensed fluid is refluxed, to improve heat exchange efficiency.
Description of drawings
Wherein: 1, copper pipe body; 2, conduit; 3, tooth rib; 4, sipes road; 5, narrow conduit.
The specific embodiment
Further set forth structure of the present utility model and operation principle below in conjunction with accompanying drawing.
Shown in accompanying drawing 1, a kind of heat transmission copper pipe, be used for making the bending heat pipe of micro heat pipe radiator, comprise copper pipe body 1 with inner chamber, the external diameter of copper pipe body 1 is 4～25mm, being distributed with 30～100 on the inner peripheral surface of copper pipe body 1 is parallel to each other and along its axially extended tooth rib 3, this tooth rib 3 is the straight-tooth shape, each tooth rib 3 parallels arrangement with the axis direction of copper pipe body 1, the helical angle error that adds man-hour is controlled in 0.5 degree, the bottom of tooth rib 3 is 0.05～0.30mm to the height between the top, and on the cross section axial perpendicular to copper pipe body 1, tooth rib 3 is roughly triangular in shape, trapezoidal or rectangle.Form conduit 2 between adjacent two tooth ribs 3, conduit 2 connects on the axial direction of copper pipe body 1, and the width of conduit 2 has two kinds at least.
In computer realm, generally the heat transmission copper pipe external diameter that uses is 8mm, tooth depth 0.25mm, interior wall thickness 0.30mm, several 68 of tooth bar.
In the present embodiment, as shown in the accompanying drawing 1, the width of conduit 2 has two kinds, and conduit 2 is made up of a plurality of sipes road 4, a plurality of narrow conduit 5, and sipes road 4, narrow conduit 5 are spaced successively.Heat transmission copper pipe is when being carried out bending process, the tooth root portion of bending place tooth rib 3 can extend to conduit 2 expansions of both sides easily, when sipes road 4 broads, even there is the expansion of tooth rib 3, sipes road 4 can not stopped up fully yet, just prevent that capillary structure is destroyed, it is unobstructed that condensed fluid is refluxed, to improve heat exchange efficiency.Adopt common heat transmission copper pipe (to have only a kind of groove width, tooth rib 3 is evenly distributed on the inner peripheral surface of copper pipe) bend greatly after, heat transfer efficiency generally can drop to 50% of original straight tube, and after adopting heat transmission copper pipe of the present utility model to bend greatly, heat transfer efficiency approximately is the 70%-80% of original straight tube.
Typical heat pipe product is to fill with an amount of refrigerant after being extracted into negative pressure in the above-mentioned heat transmission copper pipe pipe, is sealed formation then.The operation principle of heat pipe is as follows, and the two ends of heat pipe are divided into evaporation heating end and condensation end two parts (on product, heating end is exactly and the contacted part of foot of radiator).When heating end began to be heated, the refrigerant around the tube wall will instant vaporization, produces steam, and this moment, the pressure of this part will become greatly, and steam flow is mobile to condensation end under the traction of pressure.Steam flow is condensed into liquid after arriving condensation end, also emits a large amount of heats simultaneously, gets back to the evaporation heating end by capillary force at last and finishes once circulation.
The utility model has changed the tooth-shape structure of existing heat-transfer pipe, and by reasonable flow channel and arrangement form being set to obtain higher heat exchanger effectiveness, the wide uniform design of multiple-grooved in addition when making the Guan Zaida bending, is not blocked, and it is unobstructed that condensed fluid is refluxed.
Claims (8)
1, a kind of heat transmission copper pipe, comprise copper pipe body (1) with inner chamber, being distributed with many on the inner peripheral surface of described copper pipe body (1) is parallel to each other and along its axially extended tooth rib (3), form conduit (2) between described adjacent two tooth ribs (3), it is characterized in that: the width of described conduit (2) has two kinds at least.
2, a kind of heat transmission copper pipe according to claim 1 is characterized in that: the width of described conduit (2) has two kinds, and described conduit (2) comprises sipes road (4), narrow conduit (5).
3, a kind of heat transmission copper pipe according to claim 2 is characterized in that: described sipes road (4), described narrow conduit (5) are provided with separately.
4, a kind of heat transmission copper pipe according to claim 1 is characterized in that: described tooth rib (3) is the straight-tooth shape.
5, a kind of heat transmission copper pipe according to claim 1 is characterized in that: the bottom of described tooth rib (3) is 0.05～0.30mm to the height between the top.
6, a kind of heat transmission copper pipe according to claim 1 is characterized in that: the external diameter of described copper pipe body (1) is 4～25mm.
7, a kind of heat transmission copper pipe according to claim 1 is characterized in that: the number of the above tooth rib (3) of the inner peripheral surface of described copper pipe body (1) is 30～100.
8, a kind of heat transmission copper pipe according to claim 1 is characterized in that: on the cross section axial perpendicular to described copper pipe body (1), and roughly triangular in shape, the trapezoidal or rectangle of described tooth rib (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200361315U CN201221911Y (en) | 2008-04-30 | 2008-04-30 | Heat transmission copper pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200361315U CN201221911Y (en) | 2008-04-30 | 2008-04-30 | Heat transmission copper pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201221911Y true CN201221911Y (en) | 2009-04-15 |
Family
ID=40575417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200361315U Expired - Lifetime CN201221911Y (en) | 2008-04-30 | 2008-04-30 | Heat transmission copper pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201221911Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440899A (en) * | 2016-11-25 | 2017-02-22 | 江苏大学 | Flexible pulsating heat tube device |
-
2008
- 2008-04-30 CN CNU2008200361315U patent/CN201221911Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440899A (en) * | 2016-11-25 | 2017-02-22 | 江苏大学 | Flexible pulsating heat tube device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170227 Address after: The street's Jiangnan Road Suzhou Jiangsu province 215412 city of Taicang City, No. 33 Patentee after: Jiangsu Canghuan Copper Industry Co.,Ltd. Patentee after: Jinlong Precision Copper Pipe Group Co., Ltd. Address before: The western suburbs of Jiangsu city in Taicang province 215400 Wu Tang Qiaodong Patentee before: Jiangsu Canghuan Copper Industry Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Heat transmission copper pipe Effective date of registration: 20171204 Granted publication date: 20090415 Pledgee: China Minsheng Banking Corp Zhengzhou branch Pledgor: Jiangsu Canghuan Copper Industry Co.,Ltd.|Jinlong Precision Copper Pipe Group Co., Ltd. Registration number: 2017990001108 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090415 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190814 Granted publication date: 20090415 Pledgee: China Minsheng Banking Corp Zhengzhou branch Pledgor: Jinlong Precision Copper Pipe Group Co., Ltd.|Jiangsu Canghuan Copper Industry Co., Ltd. Registration number: 2017990001108 |