CN106290460A - A kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance - Google Patents
A kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance Download PDFInfo
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- CN106290460A CN106290460A CN201510303914.XA CN201510303914A CN106290460A CN 106290460 A CN106290460 A CN 106290460A CN 201510303914 A CN201510303914 A CN 201510303914A CN 106290460 A CN106290460 A CN 106290460A
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Abstract
The invention belongs to computer testing field, particularly relate to a kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance, including caloric value input equipment, ammeter, voltmeter, heat block, heat pipe, thermocouple, muff, cooling jacket, pipeline, regulation valve, tank, testboard, rotary apparatus, multichannel temperature scanner and computer, ammeter is connected with caloric value input equipment, voltmeter is in parallel with caloric value input equipment, heat pipe is fixed on testboard, muff is arranged on outside heat pipe, rotary apparatus arranges below testboard, heat block is close to lower wall on heat pipe evaporation ends, cooling jacket is arranged on the condensation end of heat pipe, cooling jacket connects with tank by being provided with the pipeline of regulation valve, thermocouple is placed with at tube surface, thermocouple measurements is passed on computer by multichannel temperature scanner.The method have the benefit that testboard passes through rotary apparatus changing angle, in tank, water temperature is adjustable, can debug all of duty of actual heat pipe with and complete properties of hot pipe test.
Description
Technical field
The invention belongs to computer testing field, relate to a kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance.
Background technology
Heat pipe is a kind of heat transfer element with very high thermal conductivity energy.Heat pipe, by transmitting heat in the vapour of Totally enclosed vacuum intraductal working medium, liquid phase change, has high heat conductivity, and its heat conduction efficiency is up to hundreds of times than fine copper, has the laudatory title of " hot superconductor ".At present, the heat pipe of various structure types emerges in an endless stream, and heat pipe production technology is constantly reformed, and is greatly improved the heat transport limitation of heat pipe.
The index weighing properties of hot pipe good and bad mainly has two: adopting heat pipes for heat transfer thermal resistance and heat pipe maximum heat transport capability.The heat transfer resistance test mode of heat pipe is relatively easy easily, in production application, generally uses by test heat pipe evaporation ends temperature Te and condensation end of heat pipe temperature Tc, calculating temperature difference, QinFor input power, heat transfer resistance is by formulaCalculating is tried to achieve.As the important indicator maximum heat transport capability Q weighing the adopting heat pipes for heat transfer limitmaxMethod of testing, the restriction of the factor such as heat pipe operating temperature (exhausted hot-side temperature), operating angle, the type of cooling, the most do not form perfect measurement apparatus.
Summary of the invention
For the problems referred to above to be solved, the present invention provides a kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance.
nullTechnical scheme: a kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance，Including caloric value input equipment、Ammeter、Voltmeter、Heat block、Heat pipe、Thermocouple、Muff、Cooling jacket、Pipeline、Regulation valve、Tank、Testboard、Rotary apparatus、Multichannel temperature scanner and computer，It is characterized in that described ammeter is connected with described caloric value input equipment，Described voltmeter is in parallel with described caloric value input equipment，Described heat pipe is fixed with described testboard by fixture，Described muff is arranged outside described heat pipe，Described rotary apparatus is arranged on below described testboard by clamping structure，Described heat block is 2，2 described heat blocks are close to lower wall on described heat pipe evaporation ends respectively，Described cooling jacket is arranged on the condensation end of described heat pipe，Described cooling jacket is connected with described tank by described pipeline，Described regulation valve it is provided with on described pipeline，Described thermocouple is placed with at described tube surface，Described thermocouple gathers data by described multichannel temperature scanner，Described multichannel temperature scanner is connected with described computer by interface.
Described caloric value input equipment is DC source.
Described heat block is the copper billet being tied with heating wire.
Described thermocouple uses nichrome alumino-nickel couple.
Described tank is contained with water, and described tank arranges temperature-adjusting device.
Described thermocouple has multipair.
The method have the benefit that testboard passes through rotary apparatus changing angle, in tank, water temperature is adjustable, can debug all of duty of actual heat pipe with and complete properties of hot pipe test.
Accompanying drawing explanation
Fig. 1 is reality structural representation of the present invention.
Fig. 2 is the present invention makes the thermocouple of the use-case scattergram on thermocouple surface.
In figure:
1. caloric value input equipment 2. ammeter
3. voltmeter 4. heat block
5. heat pipe 6. thermocouple
7. muff 8. cooling jacket
9. pipeline 10. regulates valve
11. tanks 12, testboard
13. rotary apparatuss 14, multichannel temperature scanner
15. computers
Detailed description of the invention
A kind of detailed description of the invention of 1 and 2 couple of present invention is explained below in conjunction with the accompanying drawings.
nullThe present invention relates to a kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance，Including caloric value input equipment 1、Ammeter 2、Voltmeter 3、Heat block 4、Heat pipe 5、Thermocouple 6、Muff 7、Cooling jacket 8、Pipeline 9、Regulation valve 10、Tank 11、Testboard 12、Rotary apparatus 13、Multichannel temperature scanner 14 and computer 15，Ammeter 2 is connected with caloric value input equipment 1，Voltmeter 3 is in parallel with caloric value input equipment 1，Caloric value input equipment 1 can regulate control voltage x current simultaneously，Degree of accuracy is within 0.01A and 0.01V，The product of output voltage and electric current is the power of caloric value input equipment 1，Heat pipe 5 is fixed with testboard 12 by fixture，Muff 7 arranges seed outside heat pipe 5，Muff 7 uses adiabator，Reduce thermal loss，Rotary apparatus 13 is arranged on below testboard 12 by clamping structure，Heat block 4 is 2，2 heat blocks 4 are close to lower wall on heat pipe 4 evaporation ends respectively，Cooling jacket 8 is arranged on the condensation end of heat pipe 4，Heat pipe 5 can two-way conduct heat，That is evaporation ends and condensation end can exchange，Determine according to operating mode，Cooling jacket 8 is connected with tank 11 by pipeline 9，Regulation valve it is provided with on pipeline 9，The heat of heat pipe 5 condensation end takes away heat by cooling jacket 8，The water yield in cooling jacket 8 is adjusted by regulation valve 10.Thermocouple 6 is placed with at tube surface, and thermocouple 6 gathers data by multichannel temperature scanner 14, and multichannel temperature scanner 14 is connected with computer 15 by interface.
Caloric value input equipment 1 is DC source.Heat block 4 is the copper billet being tied with heating wire, and thermocouple 6 uses nichrome alumino-nickel couple.Tank 11 is contained with water, and tank 11 arranges temperature-adjusting device, and cooling water temperature can be controlled by the temperature-adjusting device in tank 11, by cooling condensation end of heat pipe temperature, it is ensured that the operating temperature homeostasis of the adiabatic end of heat pipe 5.Thermocouple 6 has multipair, is separately positioned on evaporation ends and condensation end.
Make use-case: adjusting caloric value input equipment 1 i.e. DC source, initial input power about predicts maximum heat biography amount Qmax70%, by flow in regulation valve 10 cooling jacket on pipeline 9 after input power is stable, make tank be in constant temperature by the temperature-adjusting device in tank, to maintain operation temperature stabilization, heat pipe 5 is fixed on testboard 12, heat pipe test angle is adjusted by rotary apparatus, closely pasting electroheat pair 6 at heat pipe 5 tube wall, thermocouple has multipair, is separately positioned on evaporation ends and condensation end, arranging 3 pairs of thermocouples at evaporation ends, test point temperature is designated as T respectivelye1, Te2And Te3, at evaporation ends, 3 pairs of thermocouples are set, test point temperature is designated as T respectivelyc1, Tc2And Tc3, 3 pairs of thermocouples being set at evaporation ends, 1 pair of thermocouple is set in adiabatic end heat, test point temperature is designated as Ta, galvanic couple 6 is connected with computer by interface by multichannel temperature scanner 14 temperature acquisition data, multichannel temperature scanner temperature, is obtained and record test data.
Test input power is by predicting maximum heat biography amount Qmax70% beginning, every 2W be one test interval carry out be incremented by test.When input power is certain value, there is some temperature and substantially rise in evaporation ends, and more adiabatic end temperature-difference is more than 5 DEG C.May determine that heat pipe 6 with this understanding, this input power is its maximal heat transfer energy Qmax。
Heat pipe evaporation ends temperature Condensation end of heat pipe temperature QinFor input power, equal to the product of output voltage Yu electric current, can be obtained being the power of caloric value input equipment 1 by voltmeter 3 and ammeter 2 reading product, weigh one of the good and bad index of properties of hot pipe heat transfer resistance by formulaCalculating is tried to achieve.
Weigh the index maximal heat transfer energy Q that properties of hot pipe is good and badmaxWith heat transfer resistance RthThe most available, it is used for assessing properties of hot pipe.
Can be controlled changing cooling water temperature by the temperature-adjusting device in tank and change the temperature of cooling jacket 8, and then change operation temperature, repeat above operation, the impact of operation temperature opposite heat tube 5 can be studied, assess properties of hot pipe.
Testboard 12 angle can be changed by rotary apparatus 13, and then change heat pipe 5 test angles, repeat above operation, the impact of work angle opposite heat tube 5 can be studied, assess heat pipe 5 performance.
Above an example of the present invention is described in detail, but described content has been only presently preferred embodiments of the present invention, it is impossible to be considered the practical range for limiting the present invention.All impartial changes made according to the present patent application scope and improvement etc., within all should still belonging to the patent covering scope of the present invention.
Claims (6)
1. for testing the device of computer heat radiation element adopting heat pipes for heat transfer performance, including caloric value input equipment, ammeter,
Voltmeter, heat block, heat pipe, thermocouple, muff, cooling jacket, pipeline, regulation valve, tank, test
Platform, rotary apparatus, multichannel temperature scanner and computer, it is characterised in that described ammeter sets with the input of described caloric value
Standby series connection, described voltmeter is in parallel with described caloric value input equipment, and described heat pipe is fixed with described testboard by fixture,
Described muff arranges outside described heat pipe, and described rotary apparatus is arranged on below described testboard by clamping structure, described
Heat block is 2, and 2 described heat blocks are close to lower wall on described heat pipe evaporation ends respectively, and described cooling jacket is arranged on institute
Stating the condensation end of heat pipe, described cooling jacket is connected with described tank by described pipeline, described pipeline is provided with described
Regulation valve, described thermocouple is placed with at described tube surface, and described thermocouple is gathered by described multichannel temperature scanner
Data, described multichannel temperature scanner is connected with described computer by interface.
A kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance the most according to claim 1, its feature
It is that described caloric value input equipment is DC source.
A kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance the most according to claim 1, its feature
It is that described heat block is the copper billet being tied with heating wire.
A kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance the most according to claim 1, its feature
It is that described thermocouple uses nichrome alumino-nickel couple.
A kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance the most according to claim 1, its feature
Being that described tank is contained with water, described tank arranges temperature-adjusting device.
A kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance the most according to claim 4, its feature
It is that described thermocouple has multipair.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510303914.XA CN106290460A (en) | 2015-06-05 | 2015-06-05 | A kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510303914.XA CN106290460A (en) | 2015-06-05 | 2015-06-05 | A kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946104A (en) * | 2019-04-23 | 2019-06-28 | 陕西科技大学 | A kind of multichannel drying cylinder rotating platform and simulation multichannel drying cylinder rotate heat transfer testing system |
| CN110133039A (en) * | 2019-05-13 | 2019-08-16 | 西安交通大学 | A kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property |
| CN112213356A (en) * | 2020-11-05 | 2021-01-12 | 上海裕达实业有限公司 | Device and method for testing isothermal heat transfer performance of heat pipe |
-
2015
- 2015-06-05 CN CN201510303914.XA patent/CN106290460A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946104A (en) * | 2019-04-23 | 2019-06-28 | 陕西科技大学 | A kind of multichannel drying cylinder rotating platform and simulation multichannel drying cylinder rotate heat transfer testing system |
| CN109946104B (en) * | 2019-04-23 | 2024-05-03 | 陕西科技大学 | Multichannel dryer rotating platform and simulation multichannel dryer rotating heat transfer test system |
| CN110133039A (en) * | 2019-05-13 | 2019-08-16 | 西安交通大学 | A kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property |
| CN112213356A (en) * | 2020-11-05 | 2021-01-12 | 上海裕达实业有限公司 | Device and method for testing isothermal heat transfer performance of heat pipe |
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Application publication date: 20170104 |