CN202720206U - Evaluation device of heat dissipation effect of cooling heat-dissipating coatings - Google Patents
Evaluation device of heat dissipation effect of cooling heat-dissipating coatings Download PDFInfo
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- CN202720206U CN202720206U CN 201220364772 CN201220364772U CN202720206U CN 202720206 U CN202720206 U CN 202720206U CN 201220364772 CN201220364772 CN 201220364772 CN 201220364772 U CN201220364772 U CN 201220364772U CN 202720206 U CN202720206 U CN 202720206U
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- heat
- cooling
- aluminium sheet
- dissipation effect
- coating
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- 238000000576 coating method Methods 0.000 title claims abstract description 49
- 238000001816 cooling Methods 0.000 title claims abstract description 44
- 230000000694 effects Effects 0.000 title claims abstract description 24
- 238000011156 evaluation Methods 0.000 title abstract description 5
- 230000017525 heat dissipation Effects 0.000 title abstract 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 45
- 239000011248 coating agent Substances 0.000 claims abstract description 45
- 239000000523 sample Substances 0.000 claims abstract description 6
- 239000004411 aluminium Substances 0.000 claims description 37
- 238000009413 insulation Methods 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 9
- 239000006071 cream Substances 0.000 claims description 6
- 229920006327 polystyrene foam Polymers 0.000 claims description 4
- 238000004321 preservation Methods 0.000 abstract 3
- 239000011324 bead Substances 0.000 abstract 2
- 230000005855 radiation Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 239000007921 spray Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
An evaluation device of heat dissipation effect of cooling heat-dissipating coatings comprises a heat preservation box and two identical aluminum plates, wherein a thermodetector and a current-voltage control instrument are arranged in the heat preservation box, the cooling heat-dissipating coating is sprayed on the back face of one of the two aluminum plates, a heat-insulating support frame used for placing the aluminum plates is arranged in the heat preservation box, a light-emitting diode (LED) lamp bead is fixed in the center of each aluminum plate through heat conducting paste, the LED lamp beads and the current-voltage control instrument are connected with an external power supply through guiding wires to form a return circuit, and the thermodetector is connected with the aluminum plates through temperature probes, which can be fixed on the back faces of the aluminum plates of the thermodetector. The evaluation device of the heat dissipation effect of the cooling heat-dissipating coatings has the advantages that compared with the prior art, the cooling and heat dissipation effect of the to-be-evacuated cooling heat-dissipating coating can be explained accurately through comparison, and influences on the cooling and heat dissipation effect of the tested coating of environment factors such as different climates and different places are removed; and at the same time, the evaluation device of the heat dissipation effect of the cooling heat-dissipating coatings is simple in structure, convenient to operate and easy to move and carry.
Description
Technical field
The utility model relates to a kind of radiating effect evaluating apparatus of cooling coating, especially for the evaluating apparatus of thin layer radial pattern cooling coating.
Background technology
Along with the development of microelectronics VLSI (very large scale integrated circuit), so that the high power density feature of electron device is more and more obvious, the amount of heat that produces therefrom will directly have influence on job stability and the complete reliability of electron device; This is to the Quick diffusing of heat, and the technology such as augmentation of heat transfer, raising cooling efficient are had higher requirement.
At present the method for cooling has a lot, the approach such as coating of lowering the temperature such as thermofin, metal coating and coating, and wherein coating is because of economical, easy to use and fall the favor that the advantages such as thermal effect is good more and more are subject to people.Cooling coating is to be subject to gradually in recent years a kind of energy-saving and heat-insulating material that people pay attention to, and it is the dual characteristics that combines coating and heat sink material, not only has the function of decoration but also can accelerate a kind of functional paint that the heat transmission is distributed.It is the coating that object heat and insulating water-proof are walked in a kind of radiation, coating is directly brushed and is being wanted the body surface of radiating and cooling, heat loss through radiation cooling coating can be walked heat on the brushed material body to the airspace autoemission with infrared wavelength, reduce body surface and internal temperature, radiating and cooling is obvious.The coating heat radiation is not affected by surrounding medium, and the coating heat radiation can be used in vacuum environment, and coating also has the characteristics of good self-cleaning, insulativity, anti-corrosive properties, water proofing property, antiacid alkali, easy construction when playing radiation cooling.Reduce energy resource consumption, the purpose of energy savings.
The research of relevant cooling coating mainly concentrates on the selection of formulation for coating material, comprise the composite of the selection of screening, functional stuffing of film forming matter kind and various auxiliary agents, and about the cooling performance test aspect of coating, different researchists, the evaluation method of mechanism differ larger, cause the cooling difference on effect of different coating larger, be unfavorable for further promoting the use of of cooling coating.Therefore, seek in this area a kind of have cheap, method of testing is fast and simple, the evaluating apparatus that directly can measure the cooling effect is very urgent.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of cooling effect evaluating device of cooling coating simple in structure, easy to operate, efficient is provided.
The purpose of this utility model is achieved by the following technical solution: comprise that one is built-in with the insulation can of temperature measurer and current/voltage controller, two blocks of identical aluminium sheets, and wherein the back spraying of an aluminium sheet scribbles cooling coating; Be provided with one in the described insulation can for the heat-insulating bracket of placing aluminium sheet; Described aluminium sheet center is fixed with a LED lamp pearl by heat-conducting cream; Described LED lamp pearl and current/voltage controller consist of a circuit loop by wire and external power supply; Described temperature measurer is connected with aluminium sheet by the temp probe that it can be fixed on the aluminium sheet back side.
Described insulation can is the polystyrene foam insulation can.
The LED lamp pearl that described LED lamp pearl is 5W or 10W.
Described temperature measurer is the precise digital display temperature measurer, and its model is JT210C or UT322 or TES-1306.
Be provided with a USB interface that links to each other with described temperature measurer on the described insulation can.
The beneficial effects of the utility model are: compared with prior art, the utility model can accurately illustrate by contrast the cooling effect of cooling coating to be evaluated, has eliminated the impact of the environmental factors such as Different climate, different location on the cooling effect of this test coating; Thermal source is LED lamp pearl, and is fixed on surface of aluminum plate with heat-conducting cream, and then the heat from pointolite that receives of its surface is identical, has reduced the systematic error of measuring; Whole main proving installation has further been eliminated the impact of test environment in insulation can; Temperature measurer is directly fixed on the back side center position of the aluminium sheet face of LED lamp pearl, the in real time temperature variation of accurate recording surface of aluminum plate by temperature probe; Simultaneously, this device simple in structure, easy to operate is easy to mobile carrying.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The radiating effect comparison diagram of heat radiation coating when Fig. 2 is the LED lamp pearl of adopting 5W.
The radiating effect comparison diagram of heat radiation coating when Fig. 3 is the LED lamp pearl of adopting 10W.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail: as shown in Figure 1, comprise that one is built-in with the insulation can 1 of temperature measurer 2 and current/voltage controller 3, two blocks of identical aluminium sheets 4, and wherein the back spraying of an aluminium sheet scribbles cooling coating; Described current/voltage controller 3 is current/voltage controller common on the market, is the adjustable instrument of general electric current and voltage, and carries a display screen 5, is used for showing electric current and voltage data; Be provided with one in the described insulation can 1 for the heat-insulating bracket 6 of placing aluminium sheet 4; Described aluminium sheet center is fixed with a LED lamp pearl 7 by heat-conducting cream; Described LED lamp pearl 7 consists of a circuit loop with current/voltage controller 3 by wire 8 and external power supply; Described temperature measurer 2 is connected with aluminium sheet by the temp probe 9 that it can be fixed on aluminium sheet 4 back sides.
Described insulation can 1 is the polystyrene foam insulation can.
The LED lamp pearl that described LED lamp pearl 7 is 5W or 10W.
Described temperature measurer 2 is the precise digital display temperature measurer, and its model is JT210C or UT322 or TES-1306.
Be provided with a usb 10 that links to each other with described temperature measurer on the described insulation can 1.
Concrete operation method is: get two blocks of aluminium sheets of a size, wherein one back spraying scribbles heat radiation coating, and another piece does not spray any material; Heat-conducting cream is smeared in the LED lamp pearl bottom of 5 W or 10 W to be fixed on above the aluminium sheet; Plugged is transferred to desired location by the adjusting knob of current/voltage controller with electric current and voltage with electric current and the Control of Voltage of lamp pearl, determines electric current and the voltage data at lamp pearl two ends by the display screen of current/voltage controller; Then utilize temperature measurer that the back side center position of the aluminium sheet face of fixed L ED lamp pearl is carried out temperature survey, draw the temperature variation data; Finish single job; Then aluminium sheet is taken out, changed another piece aluminium sheet, measure according to the method described above, record temperature contrast (A is the temperature variation of the aluminium sheet of spraying heat radiation coating among the figure, and B is the temperature variation of blank aluminium sheet).
Get the aluminium sheet of two block specifications the same (75 mm * 75 mm * 1 mm), wherein one is carried out back side spraying heat sink material, and another piece does not spray any material.
Heat-conducting cream is smeared in the LED wick bottom of 5 W be fixed on the front that back spraying scribbles the aluminium sheet of heat radiation coating, LED lamp pearl picks out wire, be used for turn-on current and Control of Voltage knob, pick out temp probe at the LED of the aluminium sheet lamp pearl back side (namely being coated with on the face of heat radiation coating), be used for connecting temperature measurer.
In the polystyrene foam insulation can (200 mm * 200 mm * 180 mm, wall thickness 30 mm) that fixed L ED lamp pearl and the aluminium sheet that is connected temperature measurer vertically are fixed on by heat-insulating bracket.
After all devices were fixing, plugged was adjusted to desired location with electric current and voltage, utilizes temperature measurer that time dependent temperature contrast under the survey record different situations is carried out in back side central point (the being coated with the charge level central point) position of the aluminium sheet face of fixed L ED lamp pearl; The aluminium sheet that then will spray heat radiation coating changes the aluminium sheet that does not spray any material into, measures as above, weighs the cooling effect of cooling coating by the difference between the temperature.
Be that the LED lamp pearl of 5 W is to the cooling design sketch of cooling coating such as Fig. 2; The result shows that spraying heat sink material aluminium sheet temperature after about 20 minutes is substantially constant, is substantially constant at 65 ℃; The temperature that does not spray the heat sink material aluminium sheet after about 40 minutes temperature substantially constant, be substantially constant at 73 ℃, both temperature differences are about 8 ℃.
Adopt the evaluating apparatus identical with embodiment 1 and identical test plate (panel) to be measured and contrast plate, repeat the operation of embodiment 1, institute's difference be in: with the LED lamp pearl of 10 W to testing the radiating and cooling effect of cooling coating.Fig. 3 is that the LED wick of 10 W is to the cooling effect of cooling coating; The result shows that spraying heat sink material aluminium sheet temperature after about 25 minutes is substantially constant, is substantially constant at 65 ℃; The temperature that does not spray the heat sink material aluminium sheet after about 40 minutes temperature substantially constant, be substantially constant at 82 ℃, both temperature differences are about 17 ℃.
The above; it only is the better embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, all be encompassed within the protection domain of the present utility model.
Claims (5)
1. the radiating effect evaluating apparatus of a cooling coating comprise that one is built-in with the insulation can of temperature measurer and current/voltage controller, two blocks of identical aluminium sheets, and wherein the back spraying of an aluminium sheet scribbles cooling coating; It is characterized in that: be provided with one in the described insulation can for the heat-insulating bracket of placing aluminium sheet; Described aluminium sheet center is fixed with a LED lamp pearl by heat-conducting cream; Described LED lamp pearl and current/voltage controller consist of a circuit loop by wire and external power supply; Described temperature measurer is connected with aluminium sheet by the temp probe that it can be fixed on the aluminium sheet back side.
2. the radiating effect evaluating apparatus of cooling coating according to claim 1, it is characterized in that: described insulation can is the polystyrene foam insulation can.
3. the radiating effect evaluating apparatus of cooling coating according to claim 1 is characterized in that: the LED lamp pearl that described LED lamp pearl is 5W or 10W.
4. the radiating effect evaluating apparatus of cooling coating according to claim 1, it is characterized in that: described temperature measurer is the precise digital display temperature measurer, its model is JT210C or UT322 or TES-1306.
5. the radiating effect evaluating apparatus of cooling coating according to claim 1 is characterized in that: be provided with a USB interface that links to each other with described temperature measurer on the described insulation can.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220364772 CN202720206U (en) | 2012-07-26 | 2012-07-26 | Evaluation device of heat dissipation effect of cooling heat-dissipating coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220364772 CN202720206U (en) | 2012-07-26 | 2012-07-26 | Evaluation device of heat dissipation effect of cooling heat-dissipating coatings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202720206U true CN202720206U (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220364772 Expired - Fee Related CN202720206U (en) | 2012-07-26 | 2012-07-26 | Evaluation device of heat dissipation effect of cooling heat-dissipating coatings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202720206U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060877A (en) * | 2018-10-22 | 2018-12-21 | 东莞市宝大仪器有限公司 | The thermal diffusivity detection method and device of heat sink material |
| CN110887862A (en) * | 2019-12-29 | 2020-03-17 | 上海锦湖日丽塑料有限公司 | Rapid heat-conducting performance testing device and testing method thereof |
-
2012
- 2012-07-26 CN CN 201220364772 patent/CN202720206U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060877A (en) * | 2018-10-22 | 2018-12-21 | 东莞市宝大仪器有限公司 | The thermal diffusivity detection method and device of heat sink material |
| CN110887862A (en) * | 2019-12-29 | 2020-03-17 | 上海锦湖日丽塑料有限公司 | Rapid heat-conducting performance testing device and testing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20140726 |
|
| EXPY | Termination of patent right or utility model |