CN1815126A - Heat pipe - Google Patents
Heat pipe Download PDFInfo
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- CN1815126A CN1815126A CN 200510032962 CN200510032962A CN1815126A CN 1815126 A CN1815126 A CN 1815126A CN 200510032962 CN200510032962 CN 200510032962 CN 200510032962 A CN200510032962 A CN 200510032962A CN 1815126 A CN1815126 A CN 1815126A
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- Prior art keywords
- heat
- heat pipe
- working fluid
- external application
- conductive material
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Abstract
Present invention discloses a thermal pipe. It contains sealed external use container with heat conductive material and filled operating fluid. It features said heat conductive material being foamed metal. Due to foam copper etc foamed metal having uniform pore with fine connectivity and simple process, the heat conductive material made from said foamed metal can absorb uniformly operating fluid like sponge and equalization dispersed over thermal pipe circumference, letting any point of thermal pipe heat radiation, said invention having fast heat transfer, high heat conduction quantity, less loss, yield quantity, low production costs, simple manufacturing process etc advantages.
Description
[technical field]
The present invention relates to a kind of heat pipe, refer in particular to the heat pipe that is provided with foam metal in it.
[background technology]
Present stage, foam metals such as foam copper have been widely used in filtration, separation, sound absorption, fire-retardant and catalytic field, and their preparation method is a lot, have introduced a kind of process for preparing foam metal such as patent 00127500.3, its porous nickel, technology are easy, THROUGH METHOD good moldability, steady quality.
As everyone knows, heat pipe heat conduction is the working fluid that utilizes in the pipe, and the latent heat that is had when variations in temperature comes the mechanism of transfer heat, because it is operated under the small temperature difference surprising heat biography amount just can be arranged, therefore the good reputation of the superconductor of heat is arranged.In the present heat pipe used Heat Conduction Material be that copper mesh shape, copper are fibrous, copper powder sintering shape or copper graininess, it is excellent in use, shortcoming is obvious for these Heat Conduction Materials, though wherein copper mesh shape material cost of manufacture is low, heat conduction is fast, output is high, process thereafter fraction defective height, finished product damage big, the heat conduction persistence is low; Though copper fibrous material cost of manufacture is low, output is high, machining deformation is big thereafter, the heat conduction of flattening kenel is low, product rejection is big; The heat conduction of copper powder sintering shape material is fast, but its cost of manufacture height, yield poorly, loss is big, back processed finished products fraction defective height; Copper granular material cost is low, heat conduction is fast, output is high, but process thereafter yielding, the heat conduction of processing back is low and finished product after processing fraction defective height.Along with the speed of service of machine of all kinds, equipment is more and more higher, the heat that is produced rolls up, and above-mentioned Heat Conduction Material more and more can not satisfy the demand of heat radiation, so the heat pipe that provides a kind of heat dispersion more excellent is provided fully.
[summary of the invention]
The objective of the invention is to overcome the deficiency of existing heat pipe, provide a kind of simple in structure, cost is low, hot biography amount big, heat pipe faster dispels the heat.
In order to solve the technical problem of above-mentioned existence, the present invention adopts following technical proposals:
A kind of heat pipe comprises Packed external application container, is provided with Heat Conduction Material and the working fluid that is infused in the external application container in the external application container, and it is characterized in that: described Heat Conduction Material is a foam metal.
Aforesaid a kind of heat pipe is characterized in that: described foam metal is a foam copper.
Aforesaid a kind of heat pipe is characterized in that: described external application container is a copper pipe.
Aforesaid a kind of heat pipe is characterized in that: described working fluid is a carrene.
Aforesaid a kind of heat pipe is characterized in that: described working fluid is a methyl alcohol.
Aforesaid a kind of heat pipe is characterized in that: described working fluid is an acetone.
Aforesaid a kind of heat pipe is characterized in that: described working fluid is a sodium.
Aforesaid a kind of heat pipe is characterized in that: described working fluid is a mercury.
Compared with prior art, the present invention has following advantage: because the porous nickel of foam metals such as foam copper, the connectivity of hole is good, technology is easy, the Heat Conduction Material of the heat pipe made from it is drawn working fluid as sponge and balancedly is distributed in periphery in the heat pipe, can be dispelled the heat in any point of heat pipe, and body in working fluid be heated the back fluid evaporator, under vacuum state, do not have air drag and flow fast to conduct heat, heat radiation, so it conducts heat fast, the heat conduction amount height, loss is few, the output height, production cost is low, and manufacturing process is simple, back passing rate of processing height, in light weight, durable in use.
[description of drawings]
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a fundamental diagram of the present invention.
[specific embodiment]
The present invention is described in further detail below in conjunction with accompanying drawing and the specific embodiment:
A kind of heat pipe comprises Packed external application container 1, is provided with foam metal Heat Conduction Material of making 2 and the working fluid that is infused in the external application container 1 in external application container 1.Described working fluid penetrates in the hole of foam metal after injecting the external application container apace.The basic principle that the present invention is conducted heat is: heat pipe heat conduction is the working fluid that utilizes in the pipe, the latent heat that is had when variations in temperature comes the mechanism of transfer heat, because it is operated surprising heat biography amount just can be arranged, therefore the good reputation of the superconductor of heat is arranged under the small temperature difference.When heat pipe one end is heated like this, this energy that is heated can be vaporized the working fluid that the foam metal tube wall stores, this moment, the steam pressure of heating end can raise, and made steam move and produce vapor stream toward the lower condensation end of pressure in vacuo, and heat energy is taken to the other end.Steam discharges its latent heat after the condensation end cooling, and condenses into liquid, and the fine, soft fur hole by foam metal is back to evaporation ends and finishes a circulation again, is illustrated in figure 2 as fundamental diagram of the present invention.
External application container 1 can be to be made by metal materials such as copper pipe, aluminum pipe, stainless steel tube or compo pipes, and its profile can be required different shapes such as circular, square or pancake.The used foam metal of Heat Conduction Material 2 is foam copper normally, and the foam copper conductive performance is good, and it is fast to conduct heat.Certainly, Heat Conduction Material also can adopt good, the easy to process foam metal of other conductibility.Used working fluid can be the easily liquid of vaporization such as carrene, methyl alcohol, acetone, sodium or mercury.
Manufacturing process of the present invention is as follows:
1. the cuts in metallic pipe with the external application container becomes required length, and cleaning back one end reducing is also used the argon arc welding seal;
2. put into the tubulose that new material foam copper or other foam metal are made;
3. inject the hydraulic fluid final vacuum and seal, use the argon arc welding seal again after blocking by demand;
4. flatten into various kenels by the demand bending, surface oxidation-resistant is handled the back packing.
After external application container 1 vacuumized, allow working fluid only be evenly distributed in the hole of foam metal and in external application container 1, form vacuum, fluid evaporator after working fluid is heated does not like this have air drag and mobile fast under vacuum state, it is faster to conduct heat like this, dispel the heat.
Heat conductivility of the present invention is tested: with an end heat temperature raising of heat pipe, and measure the number of degrees that per second heats up with temperature measuring device, temperature remains in 70 ℃ ± 5 ℃, and the other end then utilizes temperature measuring device to measure terminal heat pipe, and the temperature difference at two ends can not be greater than 5 ℃ in 12 seconds.Utilize electrical heating simulation computer CPU heating and remain in 70 ℃ ± 5 ℃, heat pipe one end is placed in the electric heater, and the other end is with the fan blowing or adorn other fin heat radiation, thus test heating power supply power, if electric power is big more, the hot biography amount of heat pipe is big, rapid heat dissipation.
Heat pipe of the present invention is because good heat conductivity, production cost is low, can be applied to the CPU of mobile computer, desktop computer, video card, transistor, the heat radiation of components and parts such as electronics, heat transfer, other waste heat recovery, heat exchanger, and on the product of various cooling or heat transfer (heat radiation of screamer).
Development along with hyundai electronics electrical equipment, more and more products are lightly thin little, the thermal source that the lifting of its technology depends on electronic product distributes, guarantee the performance of electronic product, investigation according to market, electronic product more than 60% main cause that breaks down is that temperature is high and cause, and the present invention can help to handle the heat dissipation problem of electronic product better.
Claims (8)
1. a heat pipe comprises Packed external application container (1), is provided with Heat Conduction Material (2) and is infused in working fluid in the external application container (1) in external application container (1), and it is characterized in that: described Heat Conduction Material (2) is a foam metal.
2. a kind of heat pipe according to claim 1 is characterized in that: described foam metal is a foam copper.
3. a kind of heat pipe according to claim 1 and 2 is characterized in that: described external application container (1) is a copper pipe.
4. a kind of heat pipe according to claim 3 is characterized in that: described working fluid is a carrene.
5. a kind of heat pipe according to claim 3 is characterized in that: described working fluid is a methyl alcohol.
6. a kind of heat pipe according to claim 3 is characterized in that: described working fluid is an acetone.
7. a kind of heat pipe according to claim 3 is characterized in that: described working fluid is a sodium.
8. a kind of heat pipe according to claim 3 is characterized in that: described working fluid is a mercury.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510032962 CN1815126A (en) | 2005-01-31 | 2005-01-31 | Heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510032962 CN1815126A (en) | 2005-01-31 | 2005-01-31 | Heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1815126A true CN1815126A (en) | 2006-08-09 |
Family
ID=36907427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510032962 Pending CN1815126A (en) | 2005-01-31 | 2005-01-31 | Heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1815126A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411456A (en) * | 2013-07-21 | 2013-11-27 | 黄然 | Combined material achieving temperature control conversion of heat conduction/heat insulation performance based on operation material storage and phase transition principle |
| CN103994682A (en) * | 2014-05-07 | 2014-08-20 | 江苏科技大学 | Heat pipe and manufacturing method thereof |
| CN104197759A (en) * | 2014-07-28 | 2014-12-10 | 任艳军 | Second-speed heat transfer tube |
| CN106356346A (en) * | 2016-11-23 | 2017-01-25 | 广东合新材料研究院有限公司 | Ultra-thin phase change cooling fin and production method thereof |
| CN106532088A (en) * | 2016-11-02 | 2017-03-22 | 上海钧希新能源科技有限公司 | Copper foam-based methanol vaporization device |
-
2005
- 2005-01-31 CN CN 200510032962 patent/CN1815126A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411456A (en) * | 2013-07-21 | 2013-11-27 | 黄然 | Combined material achieving temperature control conversion of heat conduction/heat insulation performance based on operation material storage and phase transition principle |
| CN103994682A (en) * | 2014-05-07 | 2014-08-20 | 江苏科技大学 | Heat pipe and manufacturing method thereof |
| CN103994682B (en) * | 2014-05-07 | 2016-01-13 | 江苏科技大学 | A kind of heat pipe and preparation method thereof |
| CN104197759A (en) * | 2014-07-28 | 2014-12-10 | 任艳军 | Second-speed heat transfer tube |
| CN106532088A (en) * | 2016-11-02 | 2017-03-22 | 上海钧希新能源科技有限公司 | Copper foam-based methanol vaporization device |
| CN106356346A (en) * | 2016-11-23 | 2017-01-25 | 广东合新材料研究院有限公司 | Ultra-thin phase change cooling fin and production method thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |