CN109060877A - The thermal diffusivity detection method and device of heat sink material - Google Patents
The thermal diffusivity detection method and device of heat sink material Download PDFInfo
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- CN109060877A CN109060877A CN201811226281.7A CN201811226281A CN109060877A CN 109060877 A CN109060877 A CN 109060877A CN 201811226281 A CN201811226281 A CN 201811226281A CN 109060877 A CN109060877 A CN 109060877A
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- 239000000463 material Substances 0.000 title claims abstract description 38
- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 130
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 230000000977 initiatory effect Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000006978 adaptation Effects 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The present invention relates to the thermal diffusivity detection methods of heat sink material, this method uses the test block as two pieces, and adhere to heat sink material to be detected in the test block surface of one of them, then two pieces of test blocks are seated in the consistent confined space of initiation environment and are heated, the temperature on two pieces of test block surfaces is tested by temperature sensor under same heating condition, and collected temperature data is transmitted to control device, control device reaches the thermal diffusivity detection of heat sink material by comparing relevant parameter.The base of detection device is equipped with test platform, and test platform is equipped with the test flume that adaptation test block is put；And the case cover in airtight heating space is built on test platform including being located at, temperature sensor is laid on case cover.The present invention reaches digitization, pictorialization, and heat dissipation effect can quickly be presented, easy to detect, quick, at low cost.Hardware configuration is simple, and element is few, and the small volume of device facilitates operation, and the temperature measured is accurate.
Description
Technical field
The present invention relates to the detections of the thermal diffusivity of heat sink material technical field, especially heat sink material.
Background technique
The heat sink materials such as heat radiation coating, glue are increasing on the market, how quickly to detect this kind of heat sink material
Heat dissipation effect becomes the problem of industry.Existing way is by the way of thermal imaging system, but what can only also be obscured shows product
Heat dissipation effect, and can not intuitively obtain the data of heat-sinking capability, thus need to seek new detection method.
Summary of the invention
The purpose of the present invention is to provide a kind of thermal diffusivity detection method and device of heat sink material, can quickly present scattered
Thermal effect.
In order to achieve the above objectives, the thermal diffusivity detection method of heat sink material of the present invention, this method use two piece one
The test block of sample, and adhere to heat sink material to be detected in the test block surface of one of them, then two pieces of test blocks are put
It is heated in the consistent confined space of initiation environment, two pieces of test block tables is tested by temperature sensor under same heating condition
Temperature on face, and collected temperature data is transmitted to control device, control device reaches scattered by comparing relevant parameter
The thermal diffusivity of hot material detects.
Above scheme is further: the parameter that the control device compares is in identical heating time on test block surface
Temperature or two pieces of test blocks reach the mutually synthermal time.
Above scheme is further: two pieces of test blocks, which are seated in respectively in mutually separated confined space, to be heated.
Above scheme is further: two pieces of test blocks are successively seated in identical confined space by several times to be heated.
Above scheme is further: the temperature sensor is infrared temperature sensing element.
Above scheme is further: the control device is based on single-chip microcontroller or PLC mode works, and has display heating temperature
The display of degree, heating time and operating voltage, the control device draw temperature change according to detection parameters and comparison result
Curve and test curve, and historical test data is recorded and stored.
In order to achieve the above objectives, the thermal diffusivity detection device of heat sink material of the present invention comprising inside set control dress
The base set, the base are equipped with test platform, and test platform is equipped with the test flume that adaptation test block is put；And including cover
It is located at the case cover for building airtight heating space on test platform, lays temperature sensor, temperature sensor and the control on case cover
Device processed is electrically connected, and temperature sensor is used for the temperature tested on test block surface, and collected temperature data is transmitted
To control device；Control device receives the collected temperature data of the temperature sensor, by comparing relevant parameter, reaches heat dissipation
The thermal diffusivity of material detects.
Above scheme is further: is set on the test platform there are two spaced apart test flume, test flume uses stone
Black alkene heater is heated；The case cover uses hollow glass structure, and case cover is adapted to two test flumes and builds closed add respectively
Heat space, two temperature sensors are laid on case cover, and two temperature sensors test the test block table on two test flumes respectively
Temperature on face.
Above scheme is further: the control device is based on single-chip microcontroller or PLC mode works, and has display heating temperature
The display of degree, heating time and operating voltage, the display mounting is on base；The control device according to detection parameters and
Comparison result draws temperature variation curve and test curve, and historical test data is recorded and stored.
Above scheme is further: the temperature sensor is infrared temperature sensing element.
The invention has the benefit that testing the temperature on test block surface by temperature sensor, and will be collected
Temperature data is transmitted to control device；Control device receives the collected temperature data of the temperature sensor, corresponding by comparing
Parameter reaches digitization, pictorialization, and heat dissipation effect can quickly be presented, easy to detect, quick, at low cost.Hardware configuration letter
Single, element is few, and the small volume of device facilitates operation, and the temperature measured is accurate.
Detailed description of the invention:
Attached drawing 1 is detection device one example structure schematic diagram of the invention.
Specific embodiment:
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with abundant
Ground understands the purpose of the present invention, feature and effect.
As shown in fig.1, being presently preferred embodiments of the present invention schematic diagram, a kind of thermal diffusivity of the present invention in relation to heat sink material
Detection method, this method uses the test block as two pieces, and adheres to heat dissipation to be detected in the test block surface of one of them
Material, the present invention are further for the heat sink materials such as heat radiation coating, glue, and heat sink material is by the modes such as spraying or smearing
It is attached on test block surface；Then two pieces of test blocks are seated in the consistent confined space of initiation environment and are heated, same
The temperature on two pieces of test block surfaces is tested by temperature sensor under heating condition, and collected temperature data is transmitted to
Control device, control device reach the thermal diffusivity detection of heat sink material by comparing relevant parameter.Temperature sensor is preferably red
Outside line temperature-sensing element, it is contactless, reduce the variation of disturbed test deblocking temperature, it is ensured that detection is more acurrate.
In the present invention, the parameter that the control device compares be temperature in identical heating time on test block surface or
Two pieces of test blocks reach the mutually synthermal time.1, one is heated simultaneously to two test blocks with the heating element of identical heating power
Stop heating after the fixed time, detects the surface temperature of two test blocks respectively and the temperature in confined space compares.
The test block surface temperature for not doing radiating treatment is higher, and temperature is lower in confined space；Made the test block table of radiating treatment
Face temperature is lower, and temperature is higher in confined space, by comparison it can be concluded that heat dissipation magnitude.2, two test blocks are set and reaches phase
Same surface temperature records the time that two test blocks reach temperature respectively；The test block not processed can comparatively fast reach setting
Temperature, and the test block for doing radiating treatment can reach set temperature more slowly is compared, available rate of heat dissipation value with the time.
In the present invention, the control device is based on single-chip microcontroller or PLC mode works, and subsidiary Analysis of Temperature Control system should
Analysis of Temperature Control system is the prior art, and details are not described herein.Control device has display heating temperature, heating time and work
The display for making voltage, gives visual display, and heat dissipation effect can quickly be presented.The control device is according to detection parameters and ratio
Pair as a result, draw temperature variation curve and test curve, and historical test data is recorded and stored.It is soft by the end PC
Part access, can carry out the full name monitoring of test process, and draw temperature variation curve, facilitate research；It is recorded by cut-in temperature
Instrument accurately draws test curve, and historical test data is recorded and stored.
In the present invention, two pieces of test blocks, which can be to be seated in respectively in mutually separated confined space, to be heated, and two
The initiation environment of confined space is consistent；Then two test blocks are heated centainly simultaneously with the heating element of identical heating power
Stop heating after time, detects the surface temperature of two test blocks respectively and the temperature in two independent confined spaces carries out
Comparison.The test block surface temperature for not doing radiating treatment is higher, and temperature is lower in confined space；Did the test of radiating treatment
Block surface temperature is lower, and temperature is higher in confined space, by comparison it can be concluded that heat dissipation magnitude.Two can certainly be set
Test block reaches identical surface temperature, records the time that two test blocks reach temperature respectively；The test block meeting not processed
Comparatively fast reach set temperature, and the test block for doing radiating treatment can reach set temperature more slowly, is compared, can be obtained with the time
To rate of heat dissipation value.
In the present invention, two pieces of test blocks can also be that successive gradation mode is seated in identical confined space and add
Heat.Stop heating after successively heating the regular hour to two test blocks with the heating element of identical heating power, detect respectively
The surface temperature and the temperature in confined space of two test blocks compare.The test block surface temperature of radiating treatment is not done
It is higher, and temperature is lower in confined space；The test block surface temperature for doing radiating treatment is lower, in confined space temperature compared with
Height, by comparison it can be concluded that heat dissipation magnitude.2, two test blocks are set and reaches identical surface temperature, record two surveys respectively
Test block reaches the time of temperature；The test block not processed can comparatively fast reach set temperature, and do the test block of radiating treatment
Set temperature can be reached more slowly, be compared with the time, available rate of heat dissipation value.
As shown in fig.1, be presently preferred embodiments of the present invention schematic diagram, the thermal diffusivity inspection of the related heat sink material of the present invention
Device is surveyed, including the interior base 1 for setting control device, which is equipped with test platform 11, and test platform 11 is equipped with adaptation and surveys
The test flume 12 that test block 2 is put；And the case cover 3 in airtight heating space is built on test platform 11 including being located at, on case cover 3
Temperature sensor 4 is laid, temperature sensor 4 and the control device are electrically connected, and temperature sensor 4 is for testing test block table
Temperature on face, and collected temperature data is transmitted to control device；Control device receives the temperature sensor and collects
Temperature data, by compare relevant parameter, reach heat sink material thermal diffusivity detection.When work, examination that test block 2 is put
Check of foundation subsoil 12, then cover top box cover 3, the environmental aspect in adjusting tank cover 3, such as temperature control can be carried out or vacuumized, obtain starting plus
Thermal environment.The present invention further, is set on the test platform 11 there are two spaced apart test flume 12, test flume 12 uses
Graphene heater is heated；The case cover 3 uses hollow glass structure, and case cover 3 is adapted to two test flumes 12 and builds respectively
Airtight heating space, two temperature sensors 4 are laid on case cover 3, and two temperature sensors 4 are tested on two test flumes 12 respectively
Test block surface on temperature.Temperature sensor 4 is infrared temperature sensing element, and further set temperature sensor 4 is
Vertical to project on infrared ray to the surface of test block, heat sink material to be detected is adhered on the test block of one of them surface.Institute
It states control device and is based on single-chip microcontroller or the work of PLC mode, there is the display of display heating temperature, heating time and operating voltage
5, which is placed on base 1；The control device draws temperature variation curve according to detection parameters and comparison result
And test curve, and historical test data is recorded and stored.
When work, two pieces of test blocks are seated in spaced apart test flume 12 respectively, cover top box cover 3 obtains mutually separated
Airtight heating space, the initiation environment in two airtight heating spaces is consistent；Then with the heating element pair of identical heating power
Two test blocks stop heating after heating the regular hour simultaneously, detect respectively two test blocks surface temperature and two solely
Temperature in vertical confined space compares.The test block surface temperature for not doing radiating treatment is higher, and warm in confined space
It spends lower；The test block surface temperature for doing radiating treatment is lower, and temperature is higher in confined space, by comparison it can be concluded that dissipating
Calorie value.Two test blocks can certainly be set and reach identical surface temperature, two test blocks are recorded respectively and reach temperature
Time；The test block not processed can comparatively fast reach set temperature, and the test block for doing radiating treatment can reach more slowly and set
Determine temperature, is compared with the time, available rate of heat dissipation value.
The present invention heats two identical test blocks simultaneously, detects the variation of its surface temperature, quickly obtains using heat dissipation
Material and the reduced value without using result after heat sink material test, so as to calculate the radiating efficiency value of product.
More than, only presently preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with sheet
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those skilled in the art, should all cover
Within protection scope of the present invention.Therefore, the scope of protection of the present invention shall be subject to the scope of protection defined by the claims.
Claims (10)
1. the thermal diffusivity detection method of heat sink material, it is characterised in that: this method uses the test block as two pieces, and in wherein
One of test block surface adhere to heat sink material to be detected, it is consistent closed that two pieces of test blocks are then seated in initiation environment
It is heated in space, the temperature on two pieces of test block surfaces is tested by temperature sensor under same heating condition, and will acquisition
To temperature data be transmitted to control device, control device reaches the thermal diffusivity detection of heat sink material by comparing relevant parameter.
2. the thermal diffusivity detection method of heat sink material according to claim 1, it is characterised in that: the control device compares
Parameter be that temperature or two pieces of test blocks in identical heating time on test block surface reaches the mutually synthermal time.
3. the thermal diffusivity detection method of heat sink material according to claim 1, it is characterised in that: two pieces of test blocks point
It is not seated in mutually separated confined space and heats.
4. the thermal diffusivity detection method of heat sink material according to claim 1, it is characterised in that: two pieces of test block elder generations
It is seated in identical confined space and heats by several times afterwards.
5. the thermal diffusivity detection method of heat sink material according to claim 1, it is characterised in that: the temperature sensor is
Infrared temperature sensing element.
6. the thermal diffusivity detection method of heat sink material according to claim 1 or 2, it is characterised in that: the control device
It is worked based on single-chip microcontroller or PLC mode, there is the display of display heating temperature, heating time and operating voltage, the control
Device draws temperature variation curve and test curve according to detection parameters and comparison result, and remembers to historical test data
Record and storage.
7. the thermal diffusivity detection device of heat sink material, it is characterised in that: including the interior base (1) for setting control device, the base (1)
It is equipped with test platform (11), test platform (11) is equipped with the test flume (12) that adaptation test block (2) is put；And including cover
It is located at the case cover (3) for building airtight heating space on test platform (11), lays temperature sensor (4) on case cover (3), temperature passes
Sensor (4) and the control device are electrically connected, and temperature sensor (4) is used for the temperature tested on test block surface, and will adopt
The temperature data collected is transmitted to control device；Control device receives the collected temperature data of the temperature sensor, passes through ratio
To relevant parameter, reach the thermal diffusivity detection of heat sink material.
8. the thermal diffusivity detection device of heat sink material according to claim 7, it is characterised in that: the test platform (11)
On set there are two spaced apart test flume (12), test flume (12) is heated using graphene heater；The case cover (3)
Using hollow glass structure, case cover (3) is adapted to two test flumes (12) and builds airtight heating space respectively, and case cover is laid on (3)
Two temperature sensors (4), two temperature sensors (4) test the temperature on the test block surface on two test flumes (12) respectively
Degree.
9. the thermal diffusivity detection device of heat sink material according to claim 7, it is characterised in that: the control device is based on
Single-chip microcontroller or the work of PLC mode, have the display (5) of display heating temperature, heating time and operating voltage, the display
(5) it is placed on base (1)；The control device draws temperature variation curve and test according to detection parameters and comparison result
Curve, and historical test data is recorded and stored.
10. the thermal diffusivity detection device of heat sink material according to claim 7 or 8, it is characterised in that: the temperature sensing
Device (4) is infrared temperature sensing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811226281.7A CN109060877A (en) | 2018-10-22 | 2018-10-22 | The thermal diffusivity detection method and device of heat sink material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811226281.7A CN109060877A (en) | 2018-10-22 | 2018-10-22 | The thermal diffusivity detection method and device of heat sink material |
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| Publication Number | Publication Date |
|---|---|
| CN109060877A true CN109060877A (en) | 2018-12-21 |
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|---|---|---|---|
| CN201811226281.7A Pending CN109060877A (en) | 2018-10-22 | 2018-10-22 | The thermal diffusivity detection method and device of heat sink material |
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