CN110133039A - A kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property - Google Patents
A kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property Download PDFInfo
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- CN110133039A CN110133039A CN201910415535.8A CN201910415535A CN110133039A CN 110133039 A CN110133039 A CN 110133039A CN 201910415535 A CN201910415535 A CN 201910415535A CN 110133039 A CN110133039 A CN 110133039A
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- heat pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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Abstract
A kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property, including support base are supported by shaft in support base, and shaft is connect with driving motor；The fixed parallel axes rotating heat pipe to be tested in the support rod side being set in shaft, the support rod other side is installed by clump weight, the evaporation ends of parallel axes rotating heat pipe carry out non-contact heating using ceramic heat circle, ceramic heat circle is powered by adjustable DC power supply, adiabatic section package heat-preservation cotton is thermally shielded, and condensation end is then directly exposed to air；The surface temperature of parallel axes rotating heat pipe uses thermocouple measurement, and by wireless temperature acquisition module transfer to computer, wireless temperature acquisition module is fixed in shaft the temperature measurement signal of thermocouple；The present invention can heat transfer property of the parallel axes rotating heat pipe under the influence of factors such as the liquid filled ratio of the radius of gyration, revolving speed, heating power and heat-transfer fluid to different tube diameters test, have many advantages, such as low in cost, versatile, high reliablity and easy to implement.
Description
Technical field
The present invention relates to properties of hot pipe the field of test technology, more particularly to one kind to be used for parallel axes rotating heat pipe heat transfer property
The pilot system of test.
Background technique
Heat pipe (or heat pipe) is a kind of special heat conducting element with quick temperature characteristics, and rotating heat pipe refers in particular to work
Heat pipe under rotation status, it is similar with conventional heat pipe, it can also be divided into heat absorbing end (evaporation ends), adiabatic section in structure and put
Three, hot end (condensation end) part, it should be noted that the liquid phase heat-transfer fluid inside rotating heat pipe relies primarily on high speed rotation
The centrifugal force of generation is as reflux driving force.According to the relative positional relationship of revolution axle center and geometry axle center, rotating heat pipe is general
It can be divided into: parallel axes rotating heat pipe, radial rotary heat pipe and coaxial rotating heat pipe.As one of the most common type rotating heat pipe class
Type, parallel axes rotating heat pipe are applied in the cold of the rotary parts such as high speed rotor of motor, high-speed bearing inner ring and rotating shaft of steam turbine more
But in design.
As a kind of common high-temperature superconductive element, often need to obtain heat pipe in practical applications under actual working state
Heat transfer property (is generally characterized with thermal resistance and equivalent heat transfer factor), and the most frequently used, most reliable method is according to heat in industry
The practical service environment of pipe designs simplified experiment porch according to similarity principle, carrys out opposite heat tube and carries out along axial temperature
Test, heat transfer resistance and equivalent heat transfer factor required for passing through data processing, obtaining, when as Cooling Design it is important according to
According to.
When current test experiments platform carries out heat transfer property test to parallel axes rotating heat pipe, poor universality is at high cost,
Cannot parallel axes rotating heat pipe to different tube diameters liquid filled ratio of the radius of gyration, revolving speed, heating power and heat-transfer fluid etc. because
Heat transfer property under the influence of element is tested.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the object of the present invention is to provide one kind for parallel axes rotation heat
The pilot system of pipe heat transfer property test, can parallel axes rotating heat pipe to different tube diameters in the radius of gyration, revolving speed, heating power
It is tested with the heat transfer property under the influence of the factors such as the liquid filled ratio of heat-transfer fluid, there is low in cost, versatile, reliability
The advantages that high and easy to implement.
In order to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property, including support base 1, support base 1
Shaft 4 is supported by by support plate, fore bearing 5, rear bearing 11, and 4 input terminal of shaft is defeated by shaft coupling 3 and driving motor 2
Axis connection out；
The fixed parallel axes rotating heat pipe 7 to be tested in 8 side of support rod being set in shaft 4,8 other side of support rod peace
Assemble pouring weight, the amount of unbalance for being eccentrically rotated generation to balance parallel axes rotating heat pipe 7；
The evaporation ends of parallel axes rotating heat pipe 7 carry out non-contact heating using ceramic heat circle 6, and ceramic heat circle 6 is by can
Tuning DC power supply 13 is powered；The adiabatic section package heat-preservation cotton of parallel axes rotating heat pipe 7 is thermally shielded, and condensation end is then directly sudden and violent
Dew is in air；
The surface temperature of parallel axes rotating heat pipe 7 is measured using thermocouple 9, is surveyed in 7 heat transfer property of parallel axes rotating heat pipe
Need to record the Temperature Distribution of its evaporation ends, condensation end and adiabatic section everywhere when examination, the temperature measurement signal of thermocouple 9 passes through wireless temperature
Degree acquisition module 10, which carries out being transferred to computer 12, to be stored and is shown, wireless temperature acquisition module 10 is fixed in shaft 4.
The thermocouple 9 is in the specific arrangement form in the surface of parallel axes rotating heat pipe 7 are as follows: in parallel axes rotating heat pipe 7
Axially disposed 7 thermocouples 9 on outer surface far from revolution axle center, are evaporation ends section start T respectively1, T in the middle part of evaporation ends2With
Evaporation ends termination T3, adiabatic section T4, condensation end section start T6, T in the middle part of condensation end7With condensation end termination T8；It is revolved in parallel axes
Turn heat pipe 7 and arrange 2 thermocouples 9 on the outer surface of revolution axle center side, is evaporation ends section start T respectively5And condensation end
Termination T9。
During the experiment, the input of different test revolving speeds is realized by control driving motor 2；By adjusting support rod
8 structure realizes the test of heat transfer property of the parallel axes rotating heat pipe 7 of different sizes under the different radius of gyration；Pass through
The voltage and current that adjustable DC power supply 13 inputs is adjusted, to realize the input of different heating power.
The wireless temperature acquisition module 10 has communication and store function, has the wireless transmission function based on Wi-Fi
Can, the computer 12 that can be transmitted to the temperature data that electroheat pair 9 acquires under same Wi-Fi environment is stored and is shown.
The 7 tube wall material of parallel axes rotating heat pipe is red copper, and it is cold to improve to add filter cartridge construction on inner wall
The reflux of lime set body.
The filter cartridge construction is copper mesh filter core or sintered copper powder filter core.
The advantage of the present invention compared with prior art is:
The present invention realizes heat transfer property of the parallel axes rotating heat pipe under different rotating speeds, heating power and radius of turn and surveys
Examination, and then the heat transfer resistance or equivalent heat transfer factor of parallel axes rotating heat pipe are obtained, for based on the cooling knot of parallel axes rotating heat pipe
The design of structure, which calculates, provides guidance, and experimental data obtained can be used as parallel axes rotating heat pipe in high-speed motor, steam turbine
The design considerations of the cooling fields such as shaft application.The exploration of popularization of the invention for heat pipe cooling technology in more applications
Have very important significance, at the same present system implement it is relatively easy, cost is relatively low, have it is compact-sized, stable,
The features such as practical.
Detailed description of the invention
Fig. 1 is the schematic diagram of pilot system of the present invention.
Fig. 2 is the rotating part schematic diagram in Fig. 1.
Fig. 3 is surface layout schematic diagram of the thermocouple in parallel axes rotating heat pipe.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing.
Referring to Figures 1 and 2, a kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property, including support bottom
Seat 1, support base 1 are supported by shaft 4 by support plate, fore bearing 5, rear bearing 11,4 input terminal of shaft by shaft coupling 3 with
The output axis connection of driving motor 2, driving motor 2 are fixed in support base 1, realize difference by control driving motor 2
Test the input of revolving speed；
The fixed parallel axes rotating heat pipe 7 to be tested in 8 side of support rod being set in shaft 4,8 other side of support rod peace
Assemble pouring weight, the amount of unbalance for being eccentrically rotated generation to balance parallel axes rotating heat pipe 7, the safe and stable operation of safeguards system；
During the experiment, realize the parallel axes rotating heat pipe 7 of different sizes in different revolutions by adjusting the structure of support rod 8
The test of heat transfer property under radius；
The evaporation ends of parallel axes rotating heat pipe 7 carry out non-contact heating using ceramic heat circle 6, and ceramic heat circle 6 is by can
Tuning DC power supply 13 is powered, by adjusting the voltage and current that adjustable DC power supply 13 inputs, to realize different heating
The input of power；The adiabatic section package heat-preservation cotton of parallel axes rotating heat pipe 7 is thermally shielded, and condensation end is then directly exposed to air
In, it is cooled down by way of the heat convection of ambient cold air；
The surface temperature of parallel axes rotating heat pipe 7 is measured using thermocouple 9, the arrangement of thermocouple 9 as shown in figure 3,
It is similar with the heat transfer property test method of conventional heat pipe, need to record its steaming in the test of 7 heat transfer property of parallel axes rotating heat pipe
Originator, the Temperature Distribution of condensation end and adiabatic section everywhere；Unlike conventional heat pipe performance test, need to consider to be eccentrically rotated
The influence for 7 heat transfer property of parallel axes rotating heat pipe is moved, specifically, in parallel axes rotating heat pipe 7 far from revolution axle center
Outer surface on axially disposed 7 thermocouples 9, be evaporation ends section start T respectively1, T in the middle part of evaporation ends2With evaporation ends termination
T3, adiabatic section T4, condensation end section start T6, T in the middle part of condensation end7With condensation end termination T8；In addition, being eccentrically rotated fortune to consider
The influence for parallel axes rotating heat pipe 7 along its circumferential Temperature Distribution and heat transfer property is moved, needs to measure in the specific implementation
Parallel axes rotating heat pipe 7 close to revolution axle center side temperature, in parallel axes rotating heat pipe 7 close to the appearance of revolution axle center side
2 thermocouples 9 are arranged on face, are evaporation ends section start T respectively5With condensation end termination T9；The temperature measurement signal of thermocouple 9 passes through
Wireless temperature acquisition module 10 transmit computer 12 is stored and is shown, wireless temperature acquisition module 10 passes through screw
It is fixed in shaft 4, when work rotates together with shaft 4.
The wireless temperature acquisition module 10 has communication and store function, has the wireless transmission function based on Wi-Fi
Can, the computer 12 that can be transmitted to the temperature data that electroheat pair 9 acquires under same Wi-Fi environment is stored and is shown.
The 7 tube wall material of parallel axes rotating heat pipe is red copper, and it is cold to improve to add filter cartridge construction on inner wall
The reflux of lime set body, to strengthen the heat-transfer capability of parallel axes rotating heat pipe 7.
The filter cartridge construction is copper mesh filter core or sintered copper powder filter core.
The operation principle of the present invention is that:
During parallel axes 7 heat transfer testing of rotating heat pipe, it is necessary first under Wi-Fi environment, build on the computer 12
The vertical communication connection with wireless temperature acquisition module 10, waiting signal receives stablize after, then by adjusting DC power supply 13 to pre-
The output power of phase heats the evaporation ends of parallel axes rotating heat pipe 7, at the same open driving motor 2 draw rotary shaft 4 into
Enter working condition, the temperature registration on machine 12 to be calculated is stable, and (stable state herein refers to: in specific revolving speed and heating function
Under rate, the fluctuation of temperature registration in 5 minutes is less than 0.5 DEG C) it is afterwards the revolving speed or adjustable DC power supply that driving motor 2 can be changed
13 heating power carries out the heat transfer property test of next operating condition.
The present invention devises a kind of pilot system simple, easy to implement, surveys for 7 heat transfer property of parallel axes rotating heat pipe
Examination.Parallel axes rotating heat pipe 7 is mounted in shaft 4 by support rod 8, and can be changed by adjusting the structure of support rod 8
Become parallel key parameter (such as 7 outer dimension of parallel axes rotating heat pipe, the radius of gyration of the test of 7 heat transfer property of axis rotating heat pipe
Deng).In experimentation, heated using evaporation ends of the ceramic heat circle 6 to parallel axes rotating heat pipe 7, and tune can be passed through
The output voltage and electric current of whole DC power supply 13 realize different heating powers, the package heat preservation of 7 adiabatic section of parallel axes rotating heat pipe
Cotton is thermally insulated, and condensation end carries out in being directly exposed to outside air by the heat convection of ambient cold air
It is cooling.The measurement of temperature then realizes that shaft 4 is by driving electricity by thermocouple 9 based on Wi-Fi and wireless temperature acquisition module 10
Machine 2 is driven, and the testing requirement of different rotating speeds can be realized by control driving motor 2.
Claims (6)
1. a kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property, including support base (1), feature exists
In: support base (1) is supported by shaft (4) by support plate, fore bearing (5), rear bearing (11), and shaft (4) input terminal passes through
The output axis connection of shaft coupling (3) and driving motor (2)；
The fixed parallel axes rotating heat pipe (7) to be tested in support rod (8) side being set in shaft (4), support rod (8) other one
Side is installed by clump weight, the amount of unbalance for being eccentrically rotated generation to balance parallel axes rotating heat pipe (7)；
The evaporation ends of parallel axes rotating heat pipe (7) carry out non-contact heating using ceramic heat circle (6), ceramic heat circle (6) by
Adjustable DC power supply (13) is powered；The adiabatic section package heat-preservation cotton of parallel axes rotating heat pipe (7) is thermally shielded, and condensation end is then
It is directly exposed to air；
The surface temperature of parallel axes rotating heat pipe (7) is measured using thermocouple (9), in parallel axes rotating heat pipe (7) heat transfer property
Need to record the Temperature Distribution of its evaporation ends, condensation end and adiabatic section everywhere when test, the temperature measurement signal of thermocouple (9) passes through nothing
Line temperature collecting module (10) transmit computer (12) is stored and is shown, wireless temperature acquisition module (10) is fixed
On shaft (4).
2. a kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property according to claim 1, feature
It is, surface specific arrangement form of the thermocouple (9) in parallel axes rotating heat pipe (7) are as follows: in parallel axes rotating heat pipe
(7) axially disposed 7 thermocouples (9) on the outer surface far from revolution axle center, are evaporation ends section start T respectively1, in evaporation ends
Portion T2With evaporation ends termination T3, adiabatic section T4, condensation end section start T6, T in the middle part of condensation end7With condensation end termination T8；Flat
Row axis rotating heat pipe (7) arranges 2 thermocouples (9) on the outer surface of revolution axle center side, is evaporation ends section start respectively
T5With condensation end termination T9。
3. a kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property according to claim 1, feature
It is: during the experiment, the input of different test revolving speeds is realized by control driving motor (2)；By adjusting support rod
(8) structure realizes the test of heat transfer property of the parallel axes rotating heat pipe (7) of different sizes under the different radius of gyration；
By adjusting the voltage and current of adjustable DC power supply (13) input, to realize the input of different heating power.
4. a kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property according to claim 1, feature
Be: the wireless temperature acquisition module (10) has communication and store function, has the wireless transmission function based on Wi-Fi
Can, can the computer (12) that the temperature data that electroheat pair (9) acquire is transmitted under same Wi-Fi environment be stored and be shown
Show.
5. a kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property according to claim 1, feature
Be: parallel axes rotating heat pipe (7) the tube wall material is red copper, can add filter cartridge construction on inner wall to improve condensation
The reflux of liquid.
6. a kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property according to claim 5, feature
Be: the filter cartridge construction is copper mesh filter core or sintered copper powder filter core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910415535.8A CN110133039A (en) | 2019-05-13 | 2019-05-13 | A kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property |
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| CN201910415535.8A CN110133039A (en) | 2019-05-13 | 2019-05-13 | A kind of pilot system for the test of parallel axes rotating heat pipe heat transfer property |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988029A (en) * | 2019-12-27 | 2020-04-10 | 西安交通大学 | Thermal-structural characteristic testing system of high-speed rotating shaft with built-in parallel-shaft rotating heat pipe |
| CN111103323A (en) * | 2019-12-29 | 2020-05-05 | 南京航空航天大学 | High-rotation-speed axial rotation heat pipe performance testing device and working method thereof |
| CN111781236A (en) * | 2020-07-07 | 2020-10-16 | 西安交通大学 | Device and method for experimental study of working characteristics of heat pipe under motion condition |
| 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 |
| CN113720873A (en) * | 2021-08-27 | 2021-11-30 | 安徽万瑞冷电科技有限公司 | Testing system for refrigerant transmission coupling device |
| CN114184633A (en) * | 2021-12-03 | 2022-03-15 | 西安交通大学 | Experimental device for reflecting passive waste heat discharge characteristics of heat pipe reactor and design method |
| CN115201255A (en) * | 2022-07-19 | 2022-10-18 | 重庆大学 | Experimental system for representing heat transfer performance of heat pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205080081U (en) * | 2015-10-30 | 2016-03-09 | 浙江省太阳能产品质量检验中心 | Measurement device for biggest heat transfer power of solar energy gravity heat pipe |
| CN105424745A (en) * | 2015-12-31 | 2016-03-23 | 中国航空工业集团公司北京航空制造工程研究所 | High temperature heat pipe measuring device and method |
| CN106290460A (en) * | 2015-06-05 | 2017-01-04 | 天津徊达科技有限公司 | A kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance |
| CN108645887A (en) * | 2018-04-17 | 2018-10-12 | 盐城市华捷机械设备有限公司 | A kind of detection device of heating tube fever uniformity |
-
2019
- 2019-05-13 CN CN201910415535.8A patent/CN110133039A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290460A (en) * | 2015-06-05 | 2017-01-04 | 天津徊达科技有限公司 | A kind of device for testing computer heat radiation element adopting heat pipes for heat transfer performance |
| CN205080081U (en) * | 2015-10-30 | 2016-03-09 | 浙江省太阳能产品质量检验中心 | Measurement device for biggest heat transfer power of solar energy gravity heat pipe |
| CN105424745A (en) * | 2015-12-31 | 2016-03-23 | 中国航空工业集团公司北京航空制造工程研究所 | High temperature heat pipe measuring device and method |
| CN108645887A (en) * | 2018-04-17 | 2018-10-12 | 盐城市华捷机械设备有限公司 | A kind of detection device of heating tube fever uniformity |
Non-Patent Citations (1)
| Title |
|---|
| 赵荣杭: "拐角式平行轴旋转热管传热性能的研究", 《中国优秀硕士学位论文全文数据库-工程科技Ⅱ辑》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988029A (en) * | 2019-12-27 | 2020-04-10 | 西安交通大学 | Thermal-structural characteristic testing system of high-speed rotating shaft with built-in parallel-shaft rotating heat pipe |
| CN110988029B (en) * | 2019-12-27 | 2020-12-22 | 西安交通大学 | Thermal-structural characteristic testing system of high-speed rotating shaft with built-in parallel-shaft rotating heat pipe |
| CN111103323A (en) * | 2019-12-29 | 2020-05-05 | 南京航空航天大学 | High-rotation-speed axial rotation heat pipe performance testing device and working method thereof |
| CN111103323B (en) * | 2019-12-29 | 2021-09-24 | 南京航空航天大学 | High-rotation-speed axial rotation heat pipe performance testing device and working method thereof |
| CN111781236A (en) * | 2020-07-07 | 2020-10-16 | 西安交通大学 | Device and method for experimental study of working characteristics of heat pipe under motion condition |
| 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 |
| CN113720873A (en) * | 2021-08-27 | 2021-11-30 | 安徽万瑞冷电科技有限公司 | Testing system for refrigerant transmission coupling device |
| CN113720873B (en) * | 2021-08-27 | 2022-03-11 | 安徽万瑞冷电科技有限公司 | Testing system for refrigerant transmission coupling device |
| CN114184633A (en) * | 2021-12-03 | 2022-03-15 | 西安交通大学 | Experimental device for reflecting passive waste heat discharge characteristics of heat pipe reactor and design method |
| CN115201255A (en) * | 2022-07-19 | 2022-10-18 | 重庆大学 | Experimental system for representing heat transfer performance of heat pipe |
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