CN209570538U - A kind of heat conductivity coefficient detection device - Google Patents
A kind of heat conductivity coefficient detection device Download PDFInfo
- Publication number
- CN209570538U CN209570538U CN201822119867.5U CN201822119867U CN209570538U CN 209570538 U CN209570538 U CN 209570538U CN 201822119867 U CN201822119867 U CN 201822119867U CN 209570538 U CN209570538 U CN 209570538U
- Authority
- CN
- China
- Prior art keywords
- plate
- sample
- heat conductivity
- hot
- conductivity coefficient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of heat conductivity coefficient detection device.The device is by using shield thermal, the surrounding of central plate is protected with guarded hot plate, hot back plate protects the back side of central plate, to be effectively reduced the heat loss of sample, and it is arranged by using accurate PLC control system and platinum resistance temperature sensor arrangement, sample thickness measuring device, so that temperature, thickness measure are more accurate, so that heat conductivity measuring device provided by the utility model measurement accuracy with higher, can satisfy higher engineering and experiment demand.
Description
Technical field
The utility model relates to a kind of detection devices, and in particular to a kind of heat conductivity coefficient detection device.
Background technique
Thermal coefficient is the key parameter of Heat Conduction Material performance, it is however generally that, the more high then performance of thermal coefficient is better, because
This, the various performance parameters of material are in order to obtain to be accurately positioned the particular use of material, to the Measured Results of Thermal Conductivity ten of material
Divide important.
The common method of thermal conductivity measurement includes stable state heat flow method, the principle of this method are as follows: is added in hot face stable
Hot-face temperature, heat are transmitted to huyashi-chuuka (cold chinese-style noodles) by sample, measure the hot-fluid of transmitting, and the thickness and heat transfer area further according to sample can be counted
Thermal coefficient and thermal resistance are calculated, this test method is easy, and it is fast, reproducible, however need to design a set of thermal conductivity measurement dress
It sets to realize this kind of measurement method.The thermal coefficient for carrying out thermal conductivity measurement using stable state heat flow method being widely used at present is surveyed
Instrument is measured, often there is that sample is larger with the surrounding enviroment temperature difference, lateral thermal losses is larger, and temperature measures, thickness measure is inadequate
The disadvantages of accurate, the accuracy that these disadvantages result in thermal conductivity measurement are not able to satisfy engineering and experiment demand.
A kind of heat conductivity measuring device that can overcome above-mentioned prior art defect is provided, for solving engineering and test
Demand has greater significance.
Utility model content
In order to overcome the shortcomings of the prior art, the utility model provides a kind of heat conductivity measuring device.The dress
The temperature difference that sample and surrounding enviroment are reduced by using shield thermal is set, and by using PLC and sample data acquisition system
System improves the accuracy of sample data acquisition, to improve the accuracy of thermal conductivity measurement.
The utility model is achieved through the following technical solutions:
A kind of heat conductivity coefficient detection device, including motor, pressurizing device, hot back plate, guarded hot plate, cold plate, cooling system and
Aerofoil；The motor is connect with pressurizing device, and control pressurizing device pressurizes；It can between the guarded hot plate and cold plate
Clamping/release, the hot back plate are mounted on the back side that guarded hot plate clamps face, and the cooling system and aerofoil are sequentially arranged at
The back side in cold plate clamping face；It is provided with central plate in the middle part of the guarded hot plate, is provided with heating element on the central plate.Also
Including sample data acquisition device, the sample data acquisition device includes specimen temperature acquisition device, sample thickness acquisition
Device, sample pressure acquisition device, the specimen temperature acquisition device are that hot back plate, central plate and cold plate center is arranged in
Temperature sensor；The sample thickness acquisition device is the thickness measurement equipment being mounted on the clamping face of guarded hot plate；Described
Sample pressure acquisition device is the pressure sensor being mounted on guarded hot plate.
The clamping face of the guarded hot plate or cold plate refers to the one side that guarded hot plate and cold plate clamp mutually.
Further, the heating element is the heating film of uniform place mat on the central plate.
Further, the temperature sensor that hot back plate, central plate and cold plate center is arranged in is platinum resistance temperature
Sensor；Thickness measurement equipment on the clamping face for being mounted on guarded hot plate is audigage.
Further, the device is also equipped with PLC system, the PLC system include Master control chip and with master
Control module, the data acquisition module, data processing module that chip is separately connected are controlled, the control module includes temperature control
System processed, control pressurer system, thickness measure control system, wherein temperature control system is electrically connected with heating element, and with it is cold
But system, aerofoil electrical connection；The thickness measure control system is electrically connected with ultraspcchymeter；The pressure control
System is electrically connected with motor；The data acquisition module is electrically connected with sample data acquisition device.
Further, the through-hole of perforation two sides is offered on the aerofoil, and fan is installed in the through-hole.
Further, further include outer cover, PLC control panel, and acquisition data display screen be provided on the outer cover,
The control panel and acquisition data display screen is connected with the Master control chip.
Further, in the outer cover, be additionally provided with limiting device, the limiting device is arranged in outer cover, with
The hot back plate position opposite backwards to the one side of guarded hot plate.
Detailed description of the invention
Fig. 1 is heat conductivity coefficient detection device structural schematic diagram
In figure: 1- motor, 2- pressurizing device, 3- pressure sensor, the hot back plate of 4-, 5- guarded hot plate, 6- cold plate, 7- cooling system
System, 8- aerofoil, 9- temperature sensor, 10- central plate, 11- ultraspcchymeter 12- limiting device, 13- fan, 14- examination
Sample.
Specific embodiment
This part will be further explained and say to heat conductivity coefficient detection device provided by the utility model in conjunction with attached drawing
It is bright.It should be pointed out that specific embodiment described in this part is only used for explanation and illustration the utility model, do not constitute
Limitations of the present invention.
Embodiment 1
A kind of heat conductivity coefficient detection device, including motor 1, pressurizing device 2, hot back plate 4, guarded hot plate 5, cold plate 6, cooling system
System 7 and aerofoil 8, further include sample data acquisition device；The motor 1 is connect with pressurizing device 2, control pressurizing device 2 into
Row pressurization；It can clamp/unclamp between the guarded hot plate 5 and cold plate 6, the hot back plate 4 is mounted on 5 clamping face of guarded hot plate
The back side, the cooling system 7 and aerofoil 8 are sequentially arranged at the back side that cold plate 6 clamps face；It is set in the middle part of the guarded hot plate 5
It is equipped with central plate 10, is provided with heating element on the central plate 10.
The course of work of the heat conductivity measuring device is as follows:
Start motor 1, unclamps pressurizing device 2, stopping when sample 14 can be put between cold plate 6 and guarded hot plate 5.It will
After sample 14 is put between cold plate 6 and guarded hot plate 5, starting 1 driving pressure device 2 of motor is mobile to hot back plate 4 and applies pressure,
Pressure value is acquired by sample data acquisition system, stops pressurization when reaching requirement, and read pressure value.Start central plate 10
Heating element heats sample 14, and passes through data collection system collecting temperature value；After heating a period of time, to hot back plate
4, central plate 10 and cold plate 6 carry out thermometric and obtain corresponding temperature value by data collection system.Sample data acquisition is completed
Afterwards, it opens cooling system 7 and aerofoil 8 cools down sample 14.Sample thickness is entering the heat conductivity measuring device
It has been measured before detection.
Embodiment 2
As shown in Figure 1, a kind of heat conductivity coefficient detection device, including motor 1, pressurizing device 2, hot back plate 4, guarded hot plate 5,
Cold plate 6, cooling system 7 and aerofoil 8 further include sample data acquisition device；The motor 1 is connect with pressurizing device 2, control
Pressurizing device 2 pressurizes, and specially 1 front end of motor is equipped with telescopic arm, and pressurizing device 2 is mounted on telescopic arm front end, motor 1
Start telescopic arm driving pressure device 2, to realize pressurization；The pressurizing device is the lifting pressing plate for being equipped with spring；
Clamping device is installed on the guarded hot plate 5 and cold plate 6, so that can clamp/unclamp between two boards, the clamping machine
Structure can with it is any can reach make two boards realize clamping/release purpose prior art, it is described for folding up sample 14
Hot back plate 4 is mounted on the back side that guarded hot plate 5 clamps face, and the cooling system 7 and aerofoil 8 are sequentially arranged at 6 clamping face of cold plate
The back side；The clamping face of the guarded hot plate 5 or cold plate 6 refers to the one side that guarded hot plate 5 and cold plate 6 clamp mutually.
It is provided with central plate 10 in the middle part of the guarded hot plate 5, is provided with heating element on the central plate 10, it is described
Heating element is the heating film of uniform place mat on the central plate.
The sample data acquisition device includes specimen temperature acquisition device, sample thickness acquisition device, sample pressure
Acquisition device.The specimen temperature acquisition device passes through the platinum resistance that 6 center of hot back plate 4, central plate 10 and cold plate is arranged in
Temperature sensor 9 carries out temperature acquisition；The sample thickness acquisition device is the ultrasound being mounted on the clamping face of guarded hot plate 5
Thickness measurement equipment 11；The sample pressure acquisition device is the pressure sensor 3 being mounted on guarded hot plate 5.
The device is also equipped with PLC system and outer cover, PLC control panel is provided on the outer cover, and adopt
Collect data display screen.The PLC system includes Master control chip, control module, data acquisition module, data processing module, control
Panel, acquisition data display screen and modules processed are connected with Master control chip respectively, and the control module includes temperature
Control system, control pressurer system, thickness measure control system, by operating control panel, Master control chip is sent a signal to
Control module and data acquisition module, controlled and acquired operation: temperature control system is electrically connected with heating element, passes through control
Heating element on central plate 10 processed heats sample 14, and is electrically connected with cooling system 7, aerofoil 8, cold by controlling
But system 7 and aerofoil 8 cool down sample 14；Thickness measure control system is electrically connected with ultraspcchymeter, passes through control
Ultraspcchymeter processed carries out thickness measure to sample 14；Control pressurer system is electrically connected with motor 1, by controlling motor band
Dynamic pressurizing device, pressurizes to sample 14；Data acquisition module is electrically connected with sample data acquisition device, to pressure, temperature, thickness
Data are transmitted to Master control chip after being acquired, the data obtained at data acquisition module are transferred to data by Master control chip
Processing module is analyzed and processed.
The through-hole of perforation two sides is offered on aerofoil 8, and fan 13 is installed in the through-hole.By control fan 13 come real
Now cool down purpose.
In the outer cover, it is additionally provided with limiting device 12, the limiting device 12 is arranged in outer cover and hot back plate
4 positions opposite backwards to the one side of guarded hot plate 5.
The clamping face refers to the one side that guarded hot plate 5 and cold plate 6 clamp mutually.
The course of work of the heat conductivity measuring device is as follows:
Start motor 1 by the control pressurer system of PLC, pressurizing device is unclamped, until sample 14 can be put into 6 He of cold plate
Stop when between guarded hot plate 5.After sample 14 is put between cold plate 6 and guarded hot plate 5, started by the control pressurer system of PLC
1 driving pressure device 2 of motor is mobile to hot back plate 4 and applies pressure, and observation pressure sensor, which reaches 20kg, to be stopped.Open PLC
The heating element of the temperature control system of system, starting central plate 10 heats sample 14, and starts thickness measure control
System is measured by thickness of the audigage 11 to sample 14, and returns to PLC system by data collection system；
After heating a period of time, the platinum resistance temperature sensor 9 in 6 center of hot back plate 4, central plate 10 and cold plate carries out thermometric and passes through number
PLC system is returned to according to acquisition system.After the completion of sample data acquisition, temperature control system opens cooling system 7 and aerofoil 8 is right
Sample 14 is cooled down.
At this point, test terminates, for sample 14 is removed, motor 1 is started by the control pressurer system of PLC and is retreated, pressurization
Device 2 toward retraction, recall by the power being applied on guarded hot plate 5, hot back plate 4 and central plate 10, no longer compression sample 14, Bian Kequ
Under.At this point, to prevent hot back plate 4 toward hitting outer cover when withdrawing, on outer cover and on the recession direction of hot back plate 4, i.e., in outer cover,
Limiting device 12 with hot back plate 4 backwards to the opposite position of the one side of guarded hot plate 5 in time withstands hot back plate 4.
After measurement, PLC system is by the sample data of acquisition, by data processing module to pressure, temperature and thickness
Data are handled.The hot-fluid for calculating transmitting, thickness and heat transfer area calculation of thermal conductivity and thermal resistance further according to sample.
Guarded hot plate 5 protects the surrounding of central plate 10, and hot back plate protects the back side of central plate, to be effectively reduced sample
Heat loss；Accurate PLC control system and platinum resistance temperature sensor arrangement, sample thickness measuring device arrangement, so that warm
Degree, thickness measure are more accurate, so that heat conductivity measuring device provided by the utility model measurement essence with higher
Degree, can satisfy higher engineering and experiment demand.
Claims (7)
1. a kind of heat conductivity coefficient detection device, it is characterised in that: including motor (1), pressurizing device (2), hot back plate (4), shield heat
Plate (5), cold plate (6), cooling system (7) and aerofoil (8)；The motor (1) is connect with pressurizing device (2), control pressurization dress
(2) are set to pressurize；It can clamp/unclamp between the guarded hot plate (5) and cold plate (6), the hot back plate (4) is mounted on
Guarded hot plate (5) clamps the back side in face, and the cooling system (7) and aerofoil (8) are sequentially arranged at the back that cold plate (6) clamp face
Face；It is provided with central plate (10) in the middle part of the guarded hot plate (5), the central plate is provided with heating element on (10)；Also wrap
Sample data acquisition device is included, the sample data acquisition device includes specimen temperature acquisition device, sample thickness acquisition dress
It sets, sample pressure acquisition device, the specimen temperature acquisition device is to be arranged in hot back plate (4), central plate (10) and cold plate
(6) central temperature sensor (9)；The sample thickness acquisition device is the thickness being mounted on the clamping face of guarded hot plate (5)
It spends measuring instrument (11)；The sample pressure acquisition device is the pressure sensor (3) being mounted on guarded hot plate (5).
2. a kind of heat conductivity coefficient detection device as described in claim 1, it is characterised in that: the heating element is uniformly to spread
Pad the heating film on central plate (10).
3. a kind of heat conductivity coefficient detection device as claimed in claim 1 or 2, it is characterised in that: the setting is in hot back plate
(4), central plate (10) and the temperature sensor (9) in cold plate (6) center are platinum resistance temperature sensor；Described is mounted on shield heat
Thickness measurement equipment (11) on the clamping face of plate (5) is audigage.
4. a kind of heat conductivity coefficient detection device as claimed in claim 3, it is characterised in that: the device is also equipped with PLC
System, the PLC system include Master control chip and the control module being separately connected with Master control chip, data acquisition module
Block, data processing module, the control module include temperature control system, control pressurer system, thickness measure control system,
Wherein temperature control system is electrically connected with heating element, and is electrically connected with cooling system (7), aerofoil (8)；The thickness measure
Control system is electrically connected with ultraspcchymeter (11)；The control pressurer system is electrically connected with motor (1)；The number
It is electrically connected according to acquisition module with sample data acquisition device.
5. a kind of heat conductivity coefficient detection device as claimed in claim 4, it is characterised in that: offered on the aerofoil (8)
The through-hole of two sides is penetrated through, fan (13) are installed in the through-hole.
6. a kind of heat conductivity coefficient detection device as claimed in claim 5, it is characterised in that: it further include outer cover, the outer cover
On be provided with PLC control panel, and acquisition data display screen, the control panel and acquisition data display screen with it is described
Master control chip is connected.
7. a kind of heat conductivity coefficient detection device as claimed in claim 6, it is characterised in that: in the outer cover, be additionally provided with
Limiting device (12), the limiting device (12) setting is in outer cover, with hot back plate (4) backwards to the one side phase of guarded hot plate (5)
Pair position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119867.5U CN209570538U (en) | 2018-12-17 | 2018-12-17 | A kind of heat conductivity coefficient detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119867.5U CN209570538U (en) | 2018-12-17 | 2018-12-17 | A kind of heat conductivity coefficient detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209570538U true CN209570538U (en) | 2019-11-01 |
Family
ID=68329946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822119867.5U Expired - Fee Related CN209570538U (en) | 2018-12-17 | 2018-12-17 | A kind of heat conductivity coefficient detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209570538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305012A (en) * | 2020-06-10 | 2021-02-02 | 上海航空材料结构检测股份有限公司 | Method for measuring titanium/titanium alloy beta phase transition temperature based on dynamic thermal simulator |
-
2018
- 2018-12-17 CN CN201822119867.5U patent/CN209570538U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305012A (en) * | 2020-06-10 | 2021-02-02 | 上海航空材料结构检测股份有限公司 | Method for measuring titanium/titanium alloy beta phase transition temperature based on dynamic thermal simulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104458799B (en) | A kind of method and apparatus of on-line measurement IGBT module transient thermal resistance | |
| CN102798645B (en) | Heat conduction coefficient and contact thermal resistance testing device | |
| CN101126729B (en) | Double heat flux gauge steady state method for measuring material heat conductivity | |
| CN101290299B (en) | Variable thermal conductivity factor measuring apparatus and method | |
| CN102297877B (en) | Device and method for measuring thermoelectric parameters of film | |
| CN102768225B (en) | High-accuracy method for testing thermal interface material | |
| CN106124998B (en) | A kind of lithium battery interior short circuit test method | |
| CN105259206B (en) | Measure the device and method of Failure under Uniaxial Compression concrete thermal conductivity factor rate of descent | |
| CN103033277B (en) | Device and method for evaluating relation of interface temperature and interface heat exchange coefficient | |
| CN201107284Y (en) | Heat conductivity coefficient test device | |
| CN209570538U (en) | A kind of heat conductivity coefficient detection device | |
| CN203217401U (en) | Mobile phone temperature monitoring circuit | |
| CN107490595A (en) | A kind of normal load influences the assay method and device of relation on faying face thermal contact resistance | |
| CN206161182U (en) | Electronic components test constant temperature system | |
| CN108426914A (en) | A kind of determining instrument of thermal coefficient and specific heat capacity | |
| CN203502369U (en) | Temperature regulation capacity test device for phase-change material textile | |
| CN116559633B (en) | Semiconductor chip high temperature test box | |
| CN105423891B (en) | A kind of detection method of blade surface aluminum silicon infiltration layer thickness | |
| CN207946382U (en) | A kind of determining instrument of thermal coefficient and specific heat capacity | |
| CN203643380U (en) | Device for detecting heat transfer coefficient of heat preserving material | |
| CN202018342U (en) | Internal water flow temperature rise measuring device for water-cooling winding of turbogenerator | |
| CN216208740U (en) | Heat insulation test machine | |
| CN209327254U (en) | The detection device of battery core thermal coefficient | |
| CN209514013U (en) | A kind of test device for simulating battery core surface local heating in lithium battery mould group | |
| CN207571063U (en) | A kind of high temperature heat transfer fabricmeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 Termination date: 20211217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |