CN101093202A - System and method for testing performance of thermal pipe - Google Patents
System and method for testing performance of thermal pipe Download PDFInfo
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- CN101093202A CN101093202A CNA2006100613006A CN200610061300A CN101093202A CN 101093202 A CN101093202 A CN 101093202A CN A2006100613006 A CNA2006100613006 A CN A2006100613006A CN 200610061300 A CN200610061300 A CN 200610061300A CN 101093202 A CN101093202 A CN 101093202A
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Abstract
A method for testing performance of heat pipe includes utilizing data conversion unit to obtain temperature of water in constant-temperature water box and temperature of heat pipe, counting up total number of tested heat-pipe, calculating actual temperature D-value of heat pipe according to obtained temperatures and labeling heat pipe to be qualified or unqualified as per said temperature D-value, making alarm when unqualified rate of tested heat-pipe is over threshold, counting up test result and plotting out analysis map. The system used for realizing said method is also disclosed.
Description
Technical field
The present invention relates to a kind of automatic detection testing performance of thermal pipe system and method.
Background technology
Along with the increasing of computing machine current C PU/GPU (Central Processing Unit/GraphicProcessing Unit) power consumption, the radiating mode of main flow is also changing thereupon now, to reach the requirement of CPU/GPU.The radiating mode main flow still is the strongest wind-cooling heat dissipating mode of practicality at present, and the wind-cooling heat dissipating mode is also in continuous improvement, such as adopting the heat pipe heat dissipation technology.The heat pipe heat dissipation technology has made full use of the Rapid Thermal hereditary property of heat-conduction principle and refrigeration filling, is delivered to rapidly outside the thermal source through the heat of heat pipe with thermal objects, and its capacity of heat transmission surpasses the capacity of heat transmission of any known metal.Even if adopt hot pipe technique to make heating radiator adopt the slow-speed of revolution, low air quantity motor, can obtain satisfied effect equally, make that the noise problem of puzzlement wind-cooling heat dissipating is well solved.
The heat conductivility of heat pipe is an important indicator weighing the heat pipe heat dispersion, and in order to guarantee the quality of heat pipe, before heat pipe dispatched from the factory, enterprise generally all should test the thermal conductivity of heat pipe.At present, there is not the perfect test macro of a cover can satisfy test as yet, mostly adopts artificial judgment or determine test result with a simple testing tool to heat pipe.The performance of the heat pipe that this test tested out is accurate inadequately, and when particularly a large amount of heat pipes being tested, efficient is very low, nor can preserve test result and test result is carried out statistical study.
Summary of the invention
In view of above content, be necessary to provide a kind of testing performance of thermal pipe system, it can be tested the heat pipe heat dispersion, and can carry out statistical study to test result.
In addition, also be necessary to provide a kind of testing performance of thermal pipe method, it can be tested the heat pipe heat dispersion, and can carry out statistical study to test result.
A kind of testing performance of thermal pipe system, this system comprises computing machine, the DTU (Data Transfer unit) that links to each other with computing machine, reaches the constant temperature water tank that links to each other with DTU (Data Transfer unit), and this DTU (Data Transfer unit) is connected with the anchor clamps with thermopair by temperature controller, heat pipe one end to be measured is held on described anchor clamps, the other end is positioned over heat pipe in the constant temperature water tank, described computing machine comprises: acquisition module is used for obtaining the water temperature of constant temperature water tank and the temperature of heat pipe by DTU (Data Transfer unit); Computing module is used for the actual temperature approach of the heat pipe tested according to the temperature computation of water temperature of being obtained and heat pipe; Indicate module, being used for actual temperature approach according to heat pipe whether the overgauge temperature approach indicates heat pipe is defective products or non-defective unit; Statistical module is used to add up the sum of the heat pipe of being tested, and defective products quantity and fraction defective also are used for test result is carried out sampling statistics and drawn out statistical study figure; Judge module, be used for according to this fraction defective whether the overgauge fraction defective judge this fraction defective fraction defective that whether is above standard.
A kind of testing performance of thermal pipe method, the constant temperature water tank that it utilizes computing machine, the DTU (Data Transfer unit) that links to each other with computing machine, link to each other with DTU (Data Transfer unit) comes the performance of heat pipe is tested, and described testing performance of thermal pipe method comprises the steps: that (a) obtains water temperature in the constant temperature water tank by DTU (Data Transfer unit); (b) obtain the temperature of heat pipe by DTU (Data Transfer unit); (c) add up the heat pipe sum of being tested; (d) according to the actual temperature approach of temperature computation heat pipe of water temperature of being obtained and heat pipe, and to indicate heat pipe in view of the above be defective products or non-defective unit; (e) statistics defective products quantity and fraction defective; (f) judge this fraction defective fraction defective that whether is above standard; (g) fraction defective if fraction defective is above standard, the fraction defective of then alarming the heat pipe of being tested exceeds standard; (h) statistical test result and draw statistical study figure.
Compared to prior art, described testing performance of thermal pipe system and method, it comes the heat conductivility of heat pipe is tested by computing machine, test result is accurate, and is convenient to operation, the testing efficiency height, be particularly suitable for substantive test, but also can carry out statistical study test result.
Description of drawings
Fig. 1 is the system architecture diagram of the preferred embodiment of testing performance of thermal pipe of the present invention system.
Fig. 2 is the functional block diagram of computing machine among Fig. 1.
Fig. 3 is the process flow diagram of the preferred embodiment of testing performance of thermal pipe method of the present invention.
Fig. 4 is the sub-process figure of preparation process among Fig. 3.
Fig. 5 is the sub-process figure that carries out testing procedure among Fig. 3.
Fig. 6 is the statistical study figure of test result.
Embodiment
As shown in Figure 1, be the system architecture diagram of the preferred embodiment of testing performance of thermal pipe of the present invention system.The system architecture of this preferred embodiment mainly comprises AC power 1, computing machine 2, DTU (Data Transfer unit) 3, d-c transformer 4, constant temperature water tank 5, temperature controller 6, plastic clip 7, and heat pipe 8.Wherein, described constant temperature water tank 5 comprises temperature-sensitive sticker 51 and temperature controller 52, and described temperature controller 6 comprises thermopair 61, and described plastic clip comprises thermopair 71 and measurement jig 72.Wherein, described temperature controller 6, plastic clip 7 and heat pipe 8 can all have only one, also can all have a plurality ofly, and temperature controller 6, plastic clip 7 and heat pipe 8 all are one to one.
Described AC power 1 links to each other with computing machine 2, constant temperature water tank 5 and each temperature controller 6, is used for to these power devices.Described d-c transformer 4 links to each other with DTU (Data Transfer unit) 3, is used for to these DTU (Data Transfer unit) 3 power supplies.Described DTU (Data Transfer unit) 3 one ends are connected to computing machine 2, the other end is connected to the temperature controller 52 on each temperature controller 6 and the Water Tank with Temp.-controlled 5, and this data converter device 3 is used for the RS485 communication modes of the RS232 communication modes of computing machine 2 and each temperature controller 6 and temperature controller 52 is changed mutually.Described each plastic clip 7 one end are connected with thermopair 61 on each temperature controller 6 by the thermopair on it 71, and the other end is clamped an end of each heat pipe 8 by the measurement jig on it 72.The other end of each heat pipe 8 inserts in the constant temperature water tank 5 in the water.
The water heating that described constant temperature water tank 5 adorns for the inside, and then carry out heated at constant temperature for an end of each heat pipe 8, each thermopair 71 is used for detecting the temperature of each heat pipe 8 other end, and each temperature that is detected is sent to each temperature controller 6 by each thermopair 61, each temperature controller 6 shows each temperature that each thermopair 71 is detected, and send each temperature to computing machine 2 by DTU (Data Transfer unit) 3, equally, water temperature in the temperature-sensitive sticker 51 detecting water tanks in the constant temperature water tank 5, temperature controller 52 sends the water temperature that temperature-sensitive sticker 51 is detected to computing machine 2 by DTU (Data Transfer unit) 3, computing machine can compare the temperature and the water temperature of each heat pipe 8 of being detected whereby, statistics and analysis are to realize the test to each heat pipe 8.
As shown in Figure 2, be the functional block diagram of computing machine among Fig. 1.This computing machine 2 comprises that parameter is provided with module 210, and acquisition module 220 shows storage module 230, and computing module 240 indicates module 250, statistical module 260, judge module 270, alarm module 280, report generation module 290 and output module 300.
Described parameter is provided with module 210, is used to be provided with personnel's basic document and item number basic document, and the basic parameter that is used to be provided with test.Wherein, described item number basic document comprises specification, the supposition cpu temperature etc. of heat pipe 8.The described basic parameter that test is set comprises: item number is selected, the test duration is provided with, the standard fraction defective is provided with and standard temperature approach (Δ t) is provided with etc.
Described acquisition module 220 is used for obtaining the water temperature t1 of constant temperature water tank 5, and the temperature of obtaining each heat pipe 8 of being tested.In this preferred embodiment, be the temperature of obtaining the water in the constant temperature water tank 5 that temperature controller 52 transmitted by DTU (Data Transfer unit) 3, and the temperature of obtaining each heat pipe 8 that each temperature controller 6 transmitted by DTU (Data Transfer unit) 3.
Described demonstration storage module 230 is used to show and store each temperature that acquisition module 220 is obtained, and comprises the temperature of water temperature and each heat pipe 8.
Described computing module 240, the actual temperature approach of each heat pipe 8 that the water temperature that is used for being obtained according to acquisition module 220, the temperature computation of each heat pipe are tested.Wherein, actual temperature approach is the temperature gap of water temperature of being detected and the heat pipe of being detected 8.
Described sign module 250 is used to indicate each heat pipe 8 and is defective products or non-defective unit.In this preferred embodiment, if the actual temperature approach of certain heat pipe 8 then indicates this heat pipe 8 and is defective products greater than set standard temperature approach Δ t; If the actual temperature approach of certain heat pipe 8 is less than or equal to set standard temperature approach Δ t, then indicates this heat pipe 8 and be non-defective unit.For example, suppose that the temperature of certain heat pipe 8 of being tested is t2, when the actual temperature approach of this heat pipe 8 | during t1-t2|＞Δ t, then indicate this heat pipe 8 and be defective products; Actual temperature approach when this heat pipe 8 | during t1-t2|≤Δ t, then indicate this heat pipe 8 and be non-defective unit.
Described statistical module 260 is used to add up the sum of the heat pipe of being tested 8, and defective products quantity and fraction defective also are used for each test result is carried out sampling statistics and drawn out statistical study figure.Described fraction defective=defective products quantity/heat pipe sum.For example, suppose that defective products has 53 in the heat pipe 8 of certain batch of A being tested, this batch heat pipe 8 always has 1000, and then the fraction defective of this batch heat pipe 8 is 53/1000=5.3%.Described statistical study figure as described in Figure 6, ordinate is represented the actual temperature approach of the heat pipe 8 tested among the figure | t1-t2|, 20 points on the figure middle polyline are represented 20 samples of the heat pipe 8 that extracted, these 20 pairing ordinate values of point are just represented the actual temperature approach of these 20 samples, and the pairing ordinate of figure cathetus k is represented the average actual temperature approach of these 20 samples.
Described judge module 270 is used to judge whether the fraction defective of the heat pipe of being tested 8 exceeds standard, and is used to judge whether also have heat pipe 8 to test.Describedly judge whether fraction defective exceeds standard and be to be provided with that fraction defective that the set standard fraction defective of module 210 and statistical module 260 counted judges according to parameter, if the fraction defective overgauge fraction defective of the heat pipe of being tested 8, then the fraction defective of the heat pipe of being tested exceeds standard.For example, suppose that parameter is provided with module 210 standard fraction defectives and is set to 5%, the fraction defective 5.3%＞5% of the heat pipe 8 of batch A then, then the fraction defective of batch A exceeds standard.
Described alarm module 280, the fraction defective that is used to alarm the heat pipe of being tested 8 exceeds standard.
Described report generation module 290 is used for generating form according to test and result of calculation.Described form comprises the item number of each heat pipe 8 of being tested, the temperature value t2 of each heat pipe 8, and the actual temperature of each heat pipe 8 is poor | t1-t2|, information such as tester and tester table.
Described output module 300 is used to export the statistics of statistical module 260 and the form that report generation module 290 is generated.
As shown in Figure 3, be the process flow diagram of the preferred embodiment of testing performance of thermal pipe method of the present invention.At first, step S11 is the preparation process before the test.This preparation process such as Fig. 4 describe in detail, and be specific as follows: open earlier AC power 1 and d-c transformer 4, the temperature controller 52 by constant temperature water tank 5 is provided with water tank temperature, as t1, and begins the water in the water tank is heated (step S111); Water temperature in the temperature-sensitive sticker 51 detecting water tanks judges whether to arrive the temperature t 1 (step S112) of setting; If the water temperature in the water tank does not arrive the temperature t 1 of setting, then continue the water in the water tank is heated (step S113); If the water temperature in the water tank has arrived the temperature t 1 of setting, then begin to be provided with personnel's data and item number data (step S114).
Step S12 is provided with the basic parameter of test.The described basic parameter that test is set comprises: item number is selected, the test duration is provided with, the setting of standard fraction defective and standard temperature approach are provided with etc.
Step S13 begins to test, and obtains the temperature of the water temperature t1 of constant temperature water tank, each heat pipe 8 of being tested and the sum of the heat pipe 8 tested.The concrete steps of test as shown in Figure 5.
Step S14 according to the actual temperature approach of each heat pipe 8 of temperature computation of the water temperature of being obtained, each heat pipe, and indicates each heat pipe 8 and is non-defective unit or defective products.Wherein, described actual temperature approach is the temperature gap of water temperature of being detected and the heat pipe of being detected 8.In this preferred embodiment, if the actual temperature approach of certain heat pipe 8 then indicates this heat pipe 8 and is defective products greater than set standard temperature approach; If the actual temperature approach of certain heat pipe 8 is less than or equal to set standard temperature approach, then indicates this heat pipe 8 and be non-defective unit.
Step S15 calculates defective products quantity, and calculates fraction defective in view of the above.Described fraction defective=defective products quantity/heat pipe sum.
Step S16 judges whether the fraction defective of the heat pipe of being tested 8 exceeds standard.Described judgement is to judge according to the fraction defective that is calculated among standard fraction defective that is provided with among the step S12 and the step S14, if the fraction defective overgauge fraction defective of the heat pipe of being tested 8, the fraction defective of the heat pipe of then being tested 8 exceeds standard.
Step S17, if the fraction defective of judging the heat pipe of being tested 8 among the step S16 exceeds standard, the fraction defective of then alarming the heat pipe 8 that this batch test exceeds standard.
Step S18 carries out sampling statistics to test result, draws and output statistical study figure.
Step S19 generates form according to test and result of calculation, and exports this form.
In step S16, do not exceed standard if judge the test fraction defective, then go to step S18 and carry out.
As shown in Figure 5, be the sub-process figure that carries out testing procedure among Fig. 3.At first, clamp each heat pipe 8, and the other end of each heat pipe 8 is inserted in the constant temperature water tank, begin test (step S131) with each plastic clip 7; When test duration that arrival sets, temperature controller 52 sends the water temperature t1 in the constant temperature water tank 5 to computing machine 2 (step S132) by DTU (Data Transfer unit) 3; Each temperature of each thermopair 71 each heat pipe 8 of detecting, and sending each temperature that is detected to each temperature controller 6 by each thermopair 61, each temperature controller 6 sends the temperature that each thermopair 71 is detected to computing machine 2 (step S133) by DTU (Data Transfer unit) 3; The sum (step S134) of the heat pipe of testing according to the quantity statistics of received temperature 8; Demonstration also stores each temperature (step S135) of being obtained; Judge whether that in addition heat pipe 8 needs test, just return step S131 and carry out (step S136) if having.
Claims (9)
1. testing performance of thermal pipe system, this system comprises computing machine, the DTU (Data Transfer unit) that links to each other with computing machine, reaches the constant temperature water tank that links to each other with DTU (Data Transfer unit), and this DTU (Data Transfer unit) is connected with the anchor clamps with thermopair by temperature controller, heat pipe one end to be measured is held on described anchor clamps, the other end is positioned in the constant temperature water tank, it is characterized in that described computing machine comprises:
Acquisition module is used for obtaining the water temperature of constant temperature water tank and the temperature of heat pipe by DTU (Data Transfer unit);
Computing module is used for the actual temperature approach of the heat pipe tested according to the temperature computation of water temperature of being obtained and heat pipe;
Indicate module, being used for actual temperature approach according to heat pipe whether the overgauge temperature approach indicates heat pipe is defective products or non-defective unit;
Statistical module is used to add up the sum of the heat pipe of being tested, and defective products quantity and fraction defective also are used for test result is carried out sampling statistics and drawn out statistical study figure;
Judge module, be used for according to this fraction defective whether the overgauge fraction defective judge this fraction defective fraction defective that whether is above standard.
2. testing performance of thermal pipe as claimed in claim 1 system is characterized in that described computing machine also comprises:
Parameter is provided with module, is used to be provided with personnel's basic document and item number basic document, and the basic parameter that is used to be provided with test.
Show storage module, be used to each temperature of showing and storing that acquisition module obtains, comprise the temperature of water temperature and heat pipe;
Alarm module, the fraction defective that is used for alarm heat pipe when fraction defective is above standard fraction defective exceeds standard;
The report generation module is used for generating form according to test and result of calculation;
Output module is used to export statistical study figure and form.
3. testing performance of thermal pipe as claimed in claim 1 system is characterized in that, described actual temperature approach is meant the temperature gap of the water temperature of being detected and the heat pipe of being detected.
4. testing performance of thermal pipe as claimed in claim 1 system is characterized in that, to indicate this heat pipe be defective products if the actual temperature approach of heat pipe, then indicates module greater than set standard temperature approach; If the actual temperature approach of heat pipe is less than or equal to set standard temperature approach, then indicating module, to indicate this heat pipe be non-defective unit.
5. testing performance of thermal pipe method, the constant temperature water tank that it utilizes computing machine, the DTU (Data Transfer unit) that links to each other with computing machine, link to each other with DTU (Data Transfer unit) comes the performance of heat pipe is tested, it is characterized in that described testing performance of thermal pipe method comprises the steps:
Obtain water temperature in the constant temperature water tank by DTU (Data Transfer unit);
Obtain the temperature of heat pipe by DTU (Data Transfer unit);
The heat pipe sum that statistics is tested;
According to the actual temperature approach of temperature computation heat pipe of water temperature of being obtained and heat pipe, and to indicate heat pipe in view of the above be defective products or non-defective unit;
Statistics defective products quantity and fraction defective;
Judge this fraction defective fraction defective that whether is above standard;
The fraction defective if fraction defective is above standard, the fraction defective of then alarming the heat pipe of being tested exceeds standard;
The statistical test result also draws statistical study figure.
6. testing performance of thermal pipe method as claimed in claim 5 is characterized in that, also comprises before calculating the fraction defective step: demonstration also stores each temperature of being obtained, comprises the temperature of water temperature and heat pipe.
7. testing performance of thermal pipe method as claimed in claim 5 is characterized in that, this method also comprises:
Output statistical study figure;
Generate and output report according to test result of calculation.
8. testing performance of thermal pipe method as claimed in claim 5 is characterized in that, described actual temperature approach is meant the temperature gap of water temperature of being detected and the heat pipe of being detected.
9. testing performance of thermal pipe method as claimed in claim 5 is characterized in that, the step that described sign heat pipe is defective products or non-defective unit comprises: if the actual temperature approach of heat pipe is greater than set standard temperature approach, then indicating this heat pipe is defective products; If the actual temperature approach of heat pipe is less than or equal to set standard temperature approach, then indicating this heat pipe is non-defective unit.
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| CN2006100613006A CN101093202B (en) | 2006-06-23 | 2006-06-23 | System and method for testing performance of thermal pipe |
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| CN2006100613006A CN101093202B (en) | 2006-06-23 | 2006-06-23 | System and method for testing performance of thermal pipe |
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| CN101093202A true CN101093202A (en) | 2007-12-26 |
| CN101093202B CN101093202B (en) | 2010-11-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288635A (en) * | 2011-05-13 | 2011-12-21 | 上海市地矿工程勘察院 | Group Hole Thermal Response Test Method |
| CN102680207A (en) * | 2012-05-04 | 2012-09-19 | 黄智辉 | Aging test method and device for LED luminaire production |
| CN103487459A (en) * | 2013-10-15 | 2014-01-01 | 北京大学 | Test system and method for cooling performance of microscale liquid cooler |
| CN104034754A (en) * | 2014-06-25 | 2014-09-10 | 昆山联德精密机械有限公司 | Structured device for measuring temperature of heat pipe and automatically judging |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2634471Y (en) * | 2002-06-27 | 2004-08-18 | 江苏仓环铜业股份有限公司 | Single tube thermal property detector for heat transfer tube in heat exchanger |
| CN100425979C (en) * | 2004-07-23 | 2008-10-15 | 鸿富锦精密工业（深圳）有限公司 | Measuring device and method of heat pipe performance |
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2006
- 2006-06-23 CN CN2006100613006A patent/CN101093202B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288635A (en) * | 2011-05-13 | 2011-12-21 | 上海市地矿工程勘察院 | Group Hole Thermal Response Test Method |
| CN102680207A (en) * | 2012-05-04 | 2012-09-19 | 黄智辉 | Aging test method and device for LED luminaire production |
| CN103487459A (en) * | 2013-10-15 | 2014-01-01 | 北京大学 | Test system and method for cooling performance of microscale liquid cooler |
| CN103487459B (en) * | 2013-10-15 | 2016-04-06 | 北京大学 | A kind of microscale liquid cooling appts heat dispersion test macro and method of testing thereof |
| CN104034754A (en) * | 2014-06-25 | 2014-09-10 | 昆山联德精密机械有限公司 | Structured device for measuring temperature of heat pipe and automatically judging |
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| CN101093202B (en) | 2010-11-10 |
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