CN101832959B - Device and method for detecting heat-dissipating plate - Google Patents
Device and method for detecting heat-dissipating plate Download PDFInfo
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- CN101832959B CN101832959B CN200910128418XA CN200910128418A CN101832959B CN 101832959 B CN101832959 B CN 101832959B CN 200910128418X A CN200910128418X A CN 200910128418XA CN 200910128418 A CN200910128418 A CN 200910128418A CN 101832959 B CN101832959 B CN 101832959B
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Abstract
The invention discloses a device and a method for detecting a heat-dissipating plate. The device for detecting the heat-dissipating plate comprises a detecting platform, a heat source, a heat sink device and a data recorder, wherein the detecting platform is provided with a heat conductor; the heat source provides heat energy and is contacted with the heat conductor; the heat sink device is contacted with the heat conductor and removes the heat from the heat conductor rapidly; the data recorder comprises an infrared thermal imaging system and a calculating device; and the data recorder is used for acquiring and analyzing temperature data and can detect the heat flux of the heat conductor accurately and rapidly. The invention also provides the method for detecting the heat-dissipating plate; a mechanism for rapidly detecting the yield of the heat conductors is established so as to improve the yield of products more accurately; and the device and the method are suitable for the detection of mass production.
Description
Technical field
The present invention relates to a kind of pick-up unit and detection method, particularly a kind of heat sink pick-up unit and detection method.
Background technology
Electronic product is design focal point with compact all at present, and along with the reduction of volume, the space of chip is compressed littler narrowlyer, and the heat that relative unit volume comes out also improves with geometric progression.Central processing unit with computer is an example, and heat energy is improving five times during the decade.But regrettably present traditional radiating subassembly still can not be with after the central processing unit smaller volume, and the heat energy that power strengthens is in time got rid of.Present radiating mode also can only be write an article in the radiating fin design except strengthening fan dimension, revving up for a short time, and above-mentioned all radiating mode effects that waits are all not satisfactory.
Temperature-uniforming plate (Vapor Chamber) has capillary structure in it, can the heat of evaporation rapid and uniform of heat conducting medium in the hollow cavity be spread to the condensation of low temperature place, is back to thermal source by the capillary structure in the cavity again; The action of repeated evaporation/condensation; In the extremely short time, get rid of a large amount of heat energy, temperature-uniforming plate is the most reliably not have the passive type cooling device that consumes energy, and it is sturdy and durable, needn't keep in repair; Can be made into different size on demand; Can extensively be used on the heat radiation purposes of electronic product, temperature-uniforming plate will be in a short time replace the traditional heat-dissipating element fully, become the main flow of heat dissipation element backward.
Yet temperature-uniforming plate tends to cause its heat transfer property not reach expection because many factors produce flaw in the processing procedure of producing, and is bad etc. like powder sintered control.If can set up the yield fast detection mechanism of a cover temperature-uniforming plate, not only can improve the product yield more accurately, also be fit to mass-produced detection.
In view of this, the present invention system proposes a kind of heat sink pick-up unit and detection method, to overcome the shortcoming of convention to above-mentioned problem.
Summary of the invention
The objective of the invention is to, the existing heat sink of solution is quick, the problem of mass detection.
For reaching above-mentioned purpose, the present invention is a kind of heat sink pick-up unit, and the heat sink pick-up unit comprises a detection platform, and it settles a heat conductor; One thermal source provides heat energy and contacts with heat conductor, and thermal source and this heat conductor are done and contacted or the face contact, thermal source comprise light emitting diode (Light Emitting Diode, LED), electrical bar; One heat dissipation equipment contacts with heat conductor, and rapidly the heat on this heat conductor is removed; Heat dissipation equipment is condensation rod, air-conditioning equipment, radiator fan, aluminum radiating fin or a heat radiating water jacket; Have the round-robin working fluid in the heat radiating water jacket, samming is provided, and remove heat rapidly; Heat dissipation equipment more comprises a Water Tank with Temp.-controlled, and working fluid and steady job fluid temperature (F.T.) are provided; An and data recorder; Comprise an infra red thermograph and a calculation element, this infra red thermograph is connected with this calculation element, these infra red thermograph collecting temperature data; This calculation element is analyzed said temperature data; Data recorder further comprises a plurality of thermocouple, contacts with heat conductor, and said thermocouple is connected with said calculation element and collecting temperature.The present invention more comprises an environmental control equipment, the humiture of environment when may command detects.
The present invention provides a kind of heat sink detection method in addition, may further comprise the steps: above a thermal source, place a heat conductor, heat conductor is contacted with thermal source; With heat conductor upper ends one heat dissipation equipment; Heat this thermal source; The thermal source that detects after this heat conductor is heated with a data recorder at last changes, and with detected data preparation and record.
Technique effect of the present invention is; Can accurately check the thermal source of heat conductor to distribute fast through infra red thermograph, and carry out the data conformity analysis, thereby set up the yield fast detection mechanism of a cover heat conductor; Can improve the product yield accurately, be more suitable for mass-produced detection.
Beneath through the appended graphic explanation in detail of specific embodiment cooperation, when the effect that is easier to understand the object of the invention, technology contents, characteristics and is reached.
Description of drawings
Fig. 1 is a heat sink pick-up unit structural representation of the present invention;
Fig. 2 is that heat sink pick-up unit of the present invention is implemented constitutional diagram;
Fig. 3 is a heat sink detection method schematic flow sheet of the present invention.
Description of reference numerals:
10-heat sink pick-up unit; The 12-detection platform; The 14-heat conductor; The 16-thermal source; The 18-heat dissipation equipment; The 182-heat radiating water jacket; The 184-Water Tank with Temp.-controlled; The 186-pipeline; The 20-data recorder; The 202-calculation element; The 204-thermocouple; The 206-infra red thermograph.
Embodiment
Fig. 1 is heat sink pick-up unit structural representation of the present invention, and is as shown in the figure, and the present invention is a kind of heat sink pick-up unit 10, comprises a detection platform 12, and detection platform 12 is mainly settles a heat conductor 14, and heat conductor is a temperature-uniforming plate in the present embodiment; One thermal source 16, thermal source 16 can provide heat energy, and contacts with heat conductor 14, and thermal source 16 can be done with heat conductor 14 and contact or the face contact, and thermal source 16 can be the device that light emitting diode or electrical bar etc. can discharge heat energy; One heat dissipation equipment 18 contacts with heat conductor 14, and can rapidly the heat on the heat conductor 14 be removed, and heat dissipation equipment 18 can be condensation rod, air-conditioning equipment, radiator fan, aluminum radiating fin or a heat radiating water jacket 182; Heat dissipation equipment 18 is a heat radiating water jacket 182 in the present embodiment, and the pipeline 186 in the heat radiating water jacket 182 has the round-robin working fluid, can remove heat rapidly and samming is provided; Heat dissipation equipment 14 more comprises a Water Tank with Temp.-controlled 184; Water Tank with Temp.-controlled 184 can provide working fluid and steady job fluid temperature (F.T.), owing to have the round-robin working fluid in the pipeline 186, and with Water Tank with Temp.-controlled 184 collocation; Can remove heat rapidly, and its fluid temperature (F.T.) is controlled in certain value (as 30 ℃); The present invention has a data recorder 20, data recording device 20 comprise a calculation element 202, with a plurality of thermocouple 204, a plurality of thermocouple 204 are connected with calculation element 202 respectively; As shown in the figure; One thermocouple 204 contacts with the bottom of heat conductor 14, and measures the bottom section temperature T 1 of heat conductor 14, and 204 of another thermocouple contact with another opposite face of thermal source 16; Measure a top area temperature T 2 of heat conductor 14, analyze through calculation element 202.Bottom temp regional temperature T1 to the temperature approach of heat dissipation equipment 18 be (T1-30 ℃); The heat energy (being the thermal value-dissipate energy of thermal source 16) that removes last heat conductor 14 actual absorption defines an equivalent thermal resistance; But summary compares the variation of this equivalent thermal resistance under each heating condition, and then whether observation heat conductor 14 lost efficacy when high wattage heats.Equally also can the bottom section temperature be subtracted top area temperature (T1-T2); The heat (Watt) that is distributed with thermal source 16; Do the variation comparison of temperature gap; And draw comparison diagram through calculation element 202, and comparative analysis rapidly, whether reach quick judgement heat conductor 14 has flaw or normal operation.
Fig. 2 is that heat sink pick-up unit of the present invention is implemented constitutional diagram; In the present embodiment; Data recording device 20 comprises a calculation element 202, an infra red thermograph 206 and a plurality of thermocouple 204, and as shown in the figure, heat conductor 14 has been positioned on the detection platform 12; The one side of heat conductor 14 contacts with thermal source 16, and the another side of heat conductor 14 also is equipped with heat dissipation equipment 18.When detecting; Because the thermocouple 204 of data recorder 20 can measure the temperature variation of zones of different, can do the comparative analysis of measurement result through a calculation element 202 and an infra red thermograph 206, infra red thermograph 206 is positioned at the top of heat conductor 14; And be connected with calculation element 202; But through the Temperature Distribution of infra red thermograph 206 exact acquisition heat conductors 14, with this calculation element 202 of temperature input of gathering, 202 pairs of these temperature datas of calculation element are analyzed again; Calculation element 204 is a computer, can compare the measurement result of thermocouple 204 and infra red thermograph 206.The present invention can use an environmental control equipment (not shown) when detecting, the temperature of environment, humidity during control detection improve accuracy of detection.
Fig. 3 is a heat sink detection method schematic flow sheet of the present invention, please consults Fig. 2 simultaneously, and is as shown in the figure; May further comprise the steps; The first step is step S11, above thermal source 16, places heat conductor 14, and the one side of thermal source 16 contacts with heat conductor 14; Use that the heat energy contact is conducted to heat conductor 14, thermal source comprises light emitting diode and electrical bar etc.; Then, shown in step S12, at heat conductor 14 upper ends heat radiating water jackets 182, make another opposite face of heat conductor 14 and contact with heat radiating water jacket 182, heat radiating water jacket 182 can provide samming, and removes heat rapidly; Then, like step S13, with thermal source 16 heating; Then, like step S14, the thermal source that detects after heat conductor 14 is heated with data recorder 20 changes; With detected data preparation and record; Because the data recorder of in this step, using 20 comprises infra red thermograph 206 and calculation element 202, after heat conductor is heated, but the Temperature Distribution of infra red thermograph 206 exact acquisition heat conductors 14; Again via the data of 202 pairs of collections of calculation element analytical integration in addition; In addition, when carrying out above-mentioned each step, the humiture of environment in the time of more can utilizing environmental control equipment to come control detection simultaneously.
The present invention mainly provides a kind of heat sink pick-up unit and detection method; Pass through data recorder; Data recorder comprises infra red thermograph, calculation element and a plurality of thermocouple, and data recorder can measure and gather the temperature variation of heat conductor, the line data confluence analysis of going forward side by side.Because heat conductor is when manufacturing; Can be because many factors produce flaw; Cause its heat transfer property to lose efficacy,, can carry out fast detecting the rate of good of heat conductor through heat sink pick-up unit provided by the present invention and detection method; Not only be fit to mass-produced detection, and then can more effectively promote the rate of good of product.
The above description of this invention is illustrative, and nonrestrictive, and those skilled in the art is understood, and within spirit that claim limits and scope, can carry out many modifications, variation or equivalence to it, but they will fall in protection scope of the present invention all.
Claims (10)
1. a heat sink pick-up unit is characterized in that, comprising:
One detection platform, it settles a heat conductor;
One thermal source, it provides heat energy, and contacts with this heat conductor;
One heat dissipation equipment has a heat radiating water jacket and a Water Tank with Temp.-controlled, and this heat radiating water jacket contacts with respect to the one side that contacts with this thermal source with this heat conductor; Has pipeline in this heat radiating water jacket; And have the round-robin working fluid in this pipeline, samming can be provided, and rapidly the heat on this heat conductor is removed; And this Water Tank with Temp.-controlled is connected with this heat radiating water jacket through this pipeline, and this working fluid and fixing this temperature working fluid are provided; And
One data recorder; It comprises a plurality of thermocouple, an infra red thermograph and a calculation element; The relative two surface contacts that those thermocouple contact with this heat radiating water jacket and this thermal source with this heat conductor respectively, gathering the temperature data of this heat conductor, and said thermocouple is connected with said calculation element; This infra red thermograph is located at the top of this heat conductor and is connected with this calculation element; This infra red thermograph is gathered the temperature data of this heat conductor, and with this calculation element of temperature data input of gathering, its measurement result is analyzed and compared to this calculation element to the temperature data of those thermocouple and this infra red thermograph again.
2. heat sink pick-up unit as claimed in claim 1 is characterized in that, more comprises an environmental control equipment, the humiture of environment when may command detects.
3. heat sink pick-up unit as claimed in claim 1 is characterized in that, this heat conductor is a temperature-uniforming plate.
4. heat sink pick-up unit as claimed in claim 1 is characterized in that, this thermal source and this heat conductor are done and contacted or the face contact.
5. heat sink pick-up unit as claimed in claim 1 is characterized in that, this thermal source is light emitting diode, electrical bar.
6. heat sink pick-up unit as claimed in claim 1, wherein this heat dissipation equipment is condensation rod, air-conditioning equipment, radiator fan or aluminum radiating fin.
7. heat sink detection method may further comprise the steps:
Above a thermal source, place a heat conductor, the one side of this thermal source contacts with this heat conductor;
With this heat conductor upper ends one heat dissipation equipment; Another opposite face of this heat conductor contacts with this heat dissipation equipment, and this heat dissipation equipment has a heat radiating water jacket and a Water Tank with Temp.-controlled, and this heat radiating water jacket contacts with respect to the one side that contacts with this thermal source with this heat conductor; Has pipeline in it; And have the round-robin working fluid in this pipeline, samming can be provided, and rapidly the heat on this heat conductor is removed; And this Water Tank with Temp.-controlled is connected with this heat radiating water jacket through pipeline, and this working fluid and fixing this temperature working fluid are provided;
With this thermal source heating; And
The thermal source that detects after this heat conductor is heated with a data recorder changes; With this data preparation and record; This data recorder comprises a plurality of thermocouple, an infra red thermograph and a calculation element; The relative two surface contacts that those thermocouple contact with this heat radiating water jacket and this thermal source with this heat conductor respectively, gathering the temperature data of this heat conductor, and said thermocouple is connected with said calculation element; This infra red thermograph is located at the top of this heat conductor and is connected with this calculation element; This infra red thermograph is gathered the temperature data of this heat conductor, and with this calculation element of temperature data input of gathering, its measurement result is analyzed and compared to this calculation element to the temperature data of those thermocouple and this infra red thermograph again.
8. heat sink detection method as claimed in claim 7 is characterized in that this thermal source comprises light emitting diode and electrical bar.
9. heat sink detection method as claimed in claim 7 is characterized in that, when carrying out above-mentioned each step, and the humiture of environment during control detection more simultaneously.
10. heat sink detection method as claimed in claim 7 is characterized in that, this heat conductor is a temperature-uniforming plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910128418XA CN101832959B (en) | 2009-03-12 | 2009-03-12 | Device and method for detecting heat-dissipating plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910128418XA CN101832959B (en) | 2009-03-12 | 2009-03-12 | Device and method for detecting heat-dissipating plate |
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| CN101832959A CN101832959A (en) | 2010-09-15 |
| CN101832959B true CN101832959B (en) | 2012-07-04 |
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| CN200910128418XA Expired - Fee Related CN101832959B (en) | 2009-03-12 | 2009-03-12 | Device and method for detecting heat-dissipating plate |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102774067A (en) * | 2011-05-10 | 2012-11-14 | 陈文进 | Method for manufacturing soaking plate |
| CN102426094B (en) * | 2011-08-31 | 2013-07-17 | 中冶南方(武汉)威仕工业炉有限公司 | Measuring system for cooling performance of gas nozzle |
| CN103308555A (en) * | 2012-03-15 | 2013-09-18 | 沈小俊 | Method for detecting defects of bridge rubber support through infrared thermal imaging |
| TWI506273B (en) * | 2013-01-09 | 2015-11-01 | Giga Byte Tech Co Ltd | Electronic unit testing jig and testing method |
| CN103969290B (en) * | 2014-04-17 | 2017-01-04 | 田猛龙 | LED superconductive plate heat dispersion test equipment |
| CN104569486A (en) * | 2015-01-16 | 2015-04-29 | 东南大学 | Hot air speed sensing system composed of infrared image sensor |
| CN106970105B (en) * | 2017-04-01 | 2019-12-20 | 西安交通大学 | Heat source layout variable structure heat conduction performance test platform and test method thereof |
| CN110686911B (en) * | 2019-09-11 | 2021-05-18 | 江苏理工学院 | Fan performance testing device and method based on infrared image detection |
| CN114755259A (en) * | 2021-01-12 | 2022-07-15 | 南方科技大学 | Thermal performance measuring device for non-contact thin type temperature-equalizing plate |
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Granted publication date: 20120704 Termination date: 20130312 |