CN206431075U - A kind of tester by power assessments thermal conductivity of material - Google Patents
A kind of tester by power assessments thermal conductivity of material Download PDFInfo
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- CN206431075U CN206431075U CN201720029059.2U CN201720029059U CN206431075U CN 206431075 U CN206431075 U CN 206431075U CN 201720029059 U CN201720029059 U CN 201720029059U CN 206431075 U CN206431075 U CN 206431075U
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- 239000000463 material Substances 0.000 title claims abstract description 45
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 239000000498 cooling water Substances 0.000 claims abstract description 10
- 239000002390 adhesive tape Substances 0.000 claims abstract description 6
- -1 main body Substances 0.000 claims abstract description 4
- 239000012774 insulation material Substances 0.000 claims description 4
- 239000010409 thin film Substances 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a kind of tester by power assessments thermal conductivity of material, including main body, cooling-water machine, aqueduct, cooled plate, data acquisition unit, heat-insulation layer, thermocouple, thermal resistance, breaker, wire, dc source and detected materials, body surfaces are closely fitted with heat-insulation layer, and detected materials are provided with the middle part of heat-insulation layer, body side end is provided with cooled plate, and main body end side is provided with thermal resistance, detected materials two ends are respectively by sticking double faced adhesive tape in cooled plate and thermal resistance, and detected materials top is closely connected with thermocouple, main body one end is connected with data acquisition unit, cooled plate is connected by aqueduct with cooling-water machine.The utility model compact conformation, can quickly compare the heat conductivility difference between high heat conduction thin-film material, simple to operate, simulate the heat conduction of high heat conduction thin-film material in actual applications, make result more directly perceived, with good Social benefit and economic benefit, suitably promote the use of.
Description
Technical field
The utility model belongs to technical field of temperature measurement, and in particular to a kind of by power assessments thermal conductivity of material
Tester.
Background technology
At present, market is larger to heat-insulated or Heat Conduction Material demand, such as the radiating of electronic equipment, high temperature equipment operating portion
Part it is heat-insulated etc., for the heat conduction and heat radiation performance of finished product, can be realized mostly by experimental simulation operation, test is high at present
The method of heat conduction thin-film material is in the majority with laser lightning method, and the method expends time length, testing expense height, and because model
Selection is different, and the data of calculating are different, lack the data in practical application, so a kind of simple, feasible, economic tester
It can illustrate that the difference of high heat conduction thin-film material in actual applications is just particularly important, therefore in view of the above-mentioned problems, we carry
A kind of tester by power assessments thermal conductivity of material is gone out.
Utility model content
The method of testing existed to solve prior art expends time length, testing expense height, and because of model selection not
Together, the data of calculating are different, lack the data flaw in practical application, and the utility model provides one kind and passes through power assessments material
The tester of heat conductivility.
In order to solve the above technical problems, technology of the present utility model uses following technical scheme：One kind passes through power assessments
The tester of thermal conductivity of material, including main body, cooling-water machine, aqueduct, cooled plate, data acquisition unit, heat-insulation layer, thermoelectricity
Idol, thermal resistance, breaker, wire, dc source and detected materials, the body surfaces are closely fitted with heat-insulation layer, and described
Detected materials are provided with the middle part of heat-insulation layer, the body side end is provided with cooled plate, and the main body end side is installed
There is thermal resistance, the detected materials two ends are respectively by sticking double faced adhesive tape in cooled plate and thermal resistance, and the detected materials
Top is closely connected with thermocouple, and described main body one end is connected with data acquisition unit, the cooled plate by aqueduct with it is cold
Water dispenser is connected.
It is preferred that, temperature sensor, and the data acquisition unit and the circuit breaker electric are provided with the data acquisition unit
Property connection.
It is preferred that, the thermal resistance is connected by wire with dc source.
It is preferred that, breaker is installed on the wire.
It is preferred that, the data acquisition unit is electrically connected with the thermocouple.
It is preferred that, the heat-insulation layer is made up of the low insulation material of thermal conductivity factor.
Preferably, described dc source is constant-current supply, constant-power power source or thermostatic power.Wherein thermostatic power when
By changing power that power supply is carried on thermal resistance so as to ensureing the constant power supply of power source temperature.
Beneficial effect：The utility model compact conformation, it is easy to use, can quickly it compare between high heat conduction thin-film material
Heat conductivility difference, it is simple to operate, and can simulate high heat conduction thin-film material in actual applications heat conduction, make knot
Fruit is more directly perceived, when transmission heat is excessive, can in time cut off the electricity supply, it is to avoid the excessive damage equipment of heat, influence the effect of experiment
Really, with good economic benefit and social benefit, suitably promote the use of.
Brief description of the drawings
Fig. 1 is a kind of structural representation of tester by power assessments thermal conductivity of material of the utility model.
Wherein：1- main bodys, 2- cooling-water machines, 3- aqueducts, 4- cooled plates, 5- data acquisition units, 6- heat-insulation layers, 7- thermoelectricity
It is even, 8- thermal resistances, 9- breakers, 10- wires, 11- dc sources.
Embodiment
Embodiment：A kind of tester by power assessments thermal conductivity of material, including main body 1, cooling-water machine 2, water delivery
Pipeline 3, cooled plate 4, data acquisition unit 5, heat-insulation layer 6, thermocouple 7, thermal resistance 8, breaker 9, wire 10, the and of dc source 11
Detected materials, the surface of main body 1 is closely fitted with heat-insulation layer 6, and the middle part of heat-insulation layer 6 is provided with detected materials, the side end of main body 1 one peace
Equipped with cooled plate 4, and the end side of main body 1 is provided with thermal resistance 8, and detected materials two ends are respectively by sticking double faced adhesive tape in water
On cold drawing 4 and thermal resistance 8, and detected materials top is closely connected with thermocouple 7, and the one end of main body 1 is connected with data acquisition unit 5,
Cooled plate 4 is connected by aqueduct 3 with cooling-water machine 2.
Temperature sensor is provided with data acquisition unit 5, and data acquisition unit 5 is electrically connected with breaker 9, data acquisition unit
5 monitor the temperature data on thermocouple 7 by the temperature sensor being provided with it in real time, after temperature reaches assigned temperature, lead to
Breaker 9 is crossed by circuitry cuts, it is to avoid the excessive damage equipment of heat, influence the effect of experiment.
Thermal resistance 8 is connected by wire 10 with dc source 11, is that the thermal resistance 8 in device provides voltage and current.
Breaker 9 is installed on wire 10, power circuit is effectively protected, when transmission heat is excessive, electricity can be cut off in time
Source, it is to avoid the excessive damage equipment of heat, influences the effect of experiment.
Data acquisition unit 5 is electrically connected with thermocouple 7, and data acquisition unit 5 is real-time by the temperature sensor being provided with it
Monitor the temperature data on thermocouple 7.
Heat-insulation layer 6 is made up of the low insulation material of thermal conductivity factor, and the low insulation material of thermal conductivity factor has good oil resistant
Property, toughness, wearability, resistance to ag(e)ing and cohesive, and thermal conductivity factor is extremely low.
Specifically, cooled plate 4 provides low-temperature heat source for equipment and keeps constant, cooling-water machine 2 is used for cooling water, it is ensured that water cooling
The temperature of plate 4 reaches setting value and keeps stable, and thermocouple 7 is used for the temperature for measuring the material surface point, and thermal resistance 8 is equipment
High temperature heat source is provided, in use, detected materials are cut into certain specification, the sample for being 10mm-20mm*100mm-150mm, one
End double faced adhesive tape is on thermal resistance, and other end double faced adhesive tape is in cooled plate, and contact length 10mm-20mm or so is two-sided
Glue thickness is maintained between 5-10 μm.In material to be assessed and low-temperature heat source, high temperature heat source contact area central point is each fixes one
Individual thermocouple 7, is designated as T1, T2, the temperature for measuring two ends high temperature heat source, low-temperature heat source；Then seal box is at, and
Ensure sealing.High temperature heat source and the low-temperature heat source temperature difference are between 10 DEG C -60 DEG C.It is powered by dc source to thermal resistance 8, when
After T1, T2 reach setting value nearby, record heat at direct current power source voltage, the numerical value of electric current, high temperature heat source and pass through detected materials
Pass at low-temperature heat source, when detected materials heat conductivility is better, the thermal resistance 8 at high temperature heat source will be reached needed for target temperature
The power to be loaded is bigger, therefore the product of the corresponding voltage of relatively more different detected materials and electric current, it can be deduced that heat conduction
The height of coefficient.
Claims (7)
1. a kind of tester by power assessments thermal conductivity of material, including main body (1), cooling-water machine (2), aqueduct
(3), cooled plate (4), data acquisition unit (5), heat-insulation layer (6), thermocouple (7), thermal resistance (8), breaker (9), wire (10),
Dc source (11) and detected materials, it is characterised in that main body (1) surface is closely fitted with heat-insulation layer (6), and the guarantor
Detected materials are provided with the middle part of warm layer (6), the side end of main body (1) one is provided with cooled plate (4), and the main body (1) is another
Side end is provided with thermal resistance (8), and the detected materials two ends are respectively by sticking double faced adhesive tape in cooled plate (4) and thermal resistance
(8) on, and the detected materials top is closely connected with thermocouple (7), and described main body (1) one end is connected with data acquisition unit
(5), the cooled plate (4) is connected by aqueduct (3) with cooling-water machine (2).
2. a kind of tester by power assessments thermal conductivity of material according to claim 1, it is characterised in that institute
State and temperature sensor is provided with data acquisition unit (5), and the data acquisition unit (5) is electrically connected with the breaker (9).
3. a kind of tester by power assessments thermal conductivity of material according to claim 1, it is characterised in that institute
Thermal resistance (8) is stated to be connected with dc source (11) by wire (10).
4. a kind of tester by power assessments thermal conductivity of material according to claim 1, it is characterised in that institute
State and breaker (9) is installed on wire (10).
5. a kind of tester by power assessments thermal conductivity of material according to claim 1, it is characterised in that institute
Data acquisition unit (5) is stated to be electrically connected with the thermocouple (7).
6. a kind of tester by power assessments thermal conductivity of material according to claim 1, it is characterised in that institute
Heat-insulation layer (6) is stated to be made up of the low insulation material of thermal conductivity factor.
7. a kind of tester by power assessments thermal conductivity of material according to claim 1, it is characterised in that institute
The dc source stated is constant-current supply, constant-power power source or thermostatic power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720029059.2U CN206431075U (en) | 2017-01-10 | 2017-01-10 | A kind of tester by power assessments thermal conductivity of material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720029059.2U CN206431075U (en) | 2017-01-10 | 2017-01-10 | A kind of tester by power assessments thermal conductivity of material |
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| Publication Number | Publication Date |
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| CN206431075U true CN206431075U (en) | 2017-08-22 |
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| CN201720029059.2U Active CN206431075U (en) | 2017-01-10 | 2017-01-10 | A kind of tester by power assessments thermal conductivity of material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088869A (en) * | 2017-11-30 | 2018-05-29 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of thermal protection system Heat-Insulation Test device |
| CN108680600A (en) * | 2018-05-18 | 2018-10-19 | 河北世纪建筑材料设备检验有限公司 | A kind of new material test device and test method |
| CN109632877A (en) * | 2019-01-11 | 2019-04-16 | 重庆科技学院 | A kind of measuring device and measuring method of pipe surface heat transfer coefficient |
| CN109781780A (en) * | 2019-01-03 | 2019-05-21 | 西安交通大学 | A kind of simple highly heat-conductive material thermal coefficient steady state test system |
-
2017
- 2017-01-10 CN CN201720029059.2U patent/CN206431075U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088869A (en) * | 2017-11-30 | 2018-05-29 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of thermal protection system Heat-Insulation Test device |
| CN108680600A (en) * | 2018-05-18 | 2018-10-19 | 河北世纪建筑材料设备检验有限公司 | A kind of new material test device and test method |
| CN108680600B (en) * | 2018-05-18 | 2021-05-07 | 河北世纪建筑材料设备检验有限公司 | Novel material testing device and testing method |
| CN109781780A (en) * | 2019-01-03 | 2019-05-21 | 西安交通大学 | A kind of simple highly heat-conductive material thermal coefficient steady state test system |
| CN109632877A (en) * | 2019-01-11 | 2019-04-16 | 重庆科技学院 | A kind of measuring device and measuring method of pipe surface heat transfer coefficient |
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