CN107727951A - A kind of thermo-electric generation monomer module thermoelectricity capability test table - Google Patents
A kind of thermo-electric generation monomer module thermoelectricity capability test table Download PDFInfo
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- CN107727951A CN107727951A CN201710700838.5A CN201710700838A CN107727951A CN 107727951 A CN107727951 A CN 107727951A CN 201710700838 A CN201710700838 A CN 201710700838A CN 107727951 A CN107727951 A CN 107727951A
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- generation monomer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The invention discloses a kind of thermo-electric generation monomer module thermoelectricity capability test table, it includes workbench, baric systerm, cooling recirculation system, electrical heating test system, connected between the upper working face of workbench and lower working face by least two support columns, electrical heating test system is sequentially provided with from the bottom to top on lower working face, cooling recirculation system, baric systerm, cooling recirculation system includes cooling jacket, the both sides of cooling jacket are respectively equipped with boss, boss is provided with fixing hole, cooling recirculation system is connected to lower working face by fixing hole, electrical heating test system is stuck between cooling recirculation system and lower working face and fixed, baric systerm includes sliding air pressure valve, cylinder, upper center of working face is provided with through hole, air pressure valve is slided to be affixed on working face through through hole, cylinder is pressed on cooling recirculation system.Present invention effectively prevents influence of the pressure inequality to interface contact heat resistance, improve power of heat source density, realize test system with the external world it is heat-insulated, improve the measuring accuracy of conversion efficiency of thermoelectric.
Description
Technical field
The invention belongs to the thermoelectricity capability technical field of measurement and test of temperature-difference power generation module, more particularly to a kind of thermo-electric generation monomer
Module thermoelectricity capability test table.
Background technology
Compared to other semi-conducting materials, thermoelectric material has the larger spy of thermoelectromotive force under certain temperature gradient
Point, therefore temperature-difference power generation module mostly is made with it, as a kind of new solid state energy converter part, temperature-difference power generation module
With the characteristics of noiseless, pollution-free, reliability is high, thermal source wide adaptation range, low-carbon energy-saving technological revolution imply that
Start.There is too many residual activity to utilize around us, including：Waste vapour heat, waste water heat, useless burning hot, solar heat etc.
Deng；In today of energy growing tension, the hope using environment waste heat thermo-electric generation is stronger.The type device also has simultaneously
A kind of applied in reverse mode, using the Peltier effect of thermoelectric material, it is powered in the input of temperature-difference power generation module, formation is closed
Loop back path, any the side refrigeration or heating of device can be made again.Its appearance makes the material of any phase, any local environment
The intellectuality of temperature, digitlization, Programmed control, be possibly realized.Think it is cold, i.e., it is cold；Think heat, i.e., it is hot.Realize to local temperature
Arbitrary control.
The accurate test of the thermoelectricity capability of temperature-difference power generation module is before realizing thermoelectric residual-heat utilization technology Exact Design
Carry.At present, mainly tested for the measuring technology of temperature-difference power generation module thermoelectricity capability using constant heat input power method,
Usual electric heat source thickness/volume to temperature-difference power generation module heat supply is bigger, input thermal power leakage heat be present seriously, actually enters
Thermal power deviation is larger, temperature-difference power generation module hot-face temperature fluctuating range acutely, the problem of differing greatly, being difficult to stablize；Generally
Connected between temperature-difference power generation module and thermal source, cold-trap unit by screw direct weighting, contact difference between contact interface be present
It is larger, cause interfacial contact thermal resistance fluctuating range larger, it is impossible to effective thermoelectricity capability of accurate characterization temperature-difference power generation module
Problem.
Therefore, in conventional test methodologies, there is coldface temperature, hot face temperature in the thermo-electric generation monomer module testing of different batches
Spend that inconsistent, interface contact heat resistance is inconsistent, input thermal power leakage heat is serious, influence to thermo-electric generation monomer module thermoelectricity capability
Accurate test and batch performance otherness assess.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of thermo-electric generation monomer module thermoelectricity capability test table.
The invention provides a kind of thermo-electric generation monomer module thermoelectricity capability test table, it includes workbench, air pressure
System, cooling recirculation system, electrical heating test system, by least two between the upper working face of the workbench and lower working face
Dagger is connected, and the electrical heating test system, the cooling recirculation system, institute are sequentially provided with from the bottom to top on the lower working face
Baric systerm is stated, the cooling recirculation system includes cooling jacket, and the both sides of the cooling jacket are respectively equipped with boss, described convex
Platform is provided with fixing hole, and the cooling recirculation system is connected to the lower working face by the fixing hole, and the electrical heating is surveyed
Test system is stuck between the cooling recirculation system and the lower working face and fixed, the baric systerm include slide air pressure valve,
Cylinder, the upper center of working face are provided with through hole, and the slip air pressure valve is affixed to the upper work through the through hole
On face, the cylinder is pressed on the cooling recirculation system.
Above technical scheme, it is preferred that the electrical heating test system includes thermo-electric generation monomer module, heat-conducting plate, thin
Chip heat source unit, insulation unit, the insulation unit located at the thermo-electric generation monomer module surrounding, described lead
Between hot plate surrounding, the sheet type heat source unit and the lower working face, the sheet type heat source unit, heat-conducting plate, the temperature difference
Generating monomer module is set gradually, and the thermo-electric generation monomer module is away from the lower working face.
Above technical scheme, it is preferred that the insulation unit is thermal conductivity≤0.03W/mK aerogel heat-proof
Material.
Above technical scheme, it is preferred that the sheet type heat source unit is mica sheet, and electric heating is wound on the mica sheet
Silk.
Above technical scheme, it is preferred that the mica sheet thickness is 0.1~0.2mm.
Above technical scheme, it is preferred that thickness≤0.2mm of the heating wire, width≤1.5mm.
Above technical scheme, it is preferred that the cooling jacket material is red copper.
Above technical scheme, it is preferred that the heat-conducting plate material is red copper.
The present invention has the advantages and positive effects of：
1st, constant-pressure test：It is pressed in using cylinder on cooling recirculation system, makes the hot face of thermo-electric generation monomer module/huyashi-chuuka (cold chinese-style noodles) stress
Uniform, controllable, performance test of the different monomers module under value of pressure is realized, avoid pressure inequality to thermo-electric generation list
The influence of module high-temperature interface resistance, thermo-electric generation monomer module hot face/huyashi-chuuka (cold chinese-style noodles) interface resistance.
2nd, formula of laminating heat source unit：Power of heat source density is improved, is built beneficial in the hot face of thermo-electric generation monomer module
Vertical high temperature, and greatly reduce thermal source side wall leakage heat.
3rd, insulation unit：Under thermo-electric generation monomer module, heat source unit, thermo-electric generation monomer module and workbench
Insulation unit is set between working face, realize test system with it is extraneous heat-insulated, it is hot to improve thermo-electric generation monomer module
The measuring accuracy of photoelectric transformation efficiency.
Brief description of the drawings
The structural representation of the thermo-electric generation monomer module thermoelectricity capability test table of Fig. 1 one embodiment of the invention
The structural representation of the baric systerm of Fig. 2 one embodiment of the invention
The structural representation of the cooling recirculation system of Fig. 3 one embodiment of the invention
The structural representation of the electrical heating test system of Fig. 4 one embodiment of the invention
1st, workbench 2, baric systerm 3, cooling recirculation system
4th, electrical heating test system 21, slip air pressure valve 22, cylinder upper cover
23rd, cylinder 24, silicone rubber O-ring 31, cooling jacket
32nd, cooling water nozzle 41, thermo-electric generation monomer module 42, heat-conducting plate
43rd, heating wire 44, heat-barrier material 45, mica sheet
Embodiment
In order that technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Conjunction accompanying drawing is made to one embodiment of the present invention to be illustrated.
The present embodiment includes workbench 1, baric systerm 2, cooling recirculation system 3, electrical heating test system 4.Workbench 1 is adopted
With upper and lower working face and four support columns are spirally connected or the structure of clamping, are sequentially provided with electrical heating test on lower working face from the bottom to top
System, cooling recirculation system, baric systerm, cooling recirculation system include cooling jacket 31 and cooling water nozzle 32, cooling jacket
Both sides are respectively equipped with boss, and boss is provided with fixing hole, and cooling recirculation system is connected to lower working face, electrical heating by fixing hole
Test system is stuck between cooling recirculation system and lower working face and fixed.Baric systerm includes sliding air pressure valve 21, cylinder upper cover
22nd, cylinder 23, silicone rubber O-ring 24, center of working face is provided with through hole on workbench, slides air pressure valve and passes through spiral shell through through hole
Line is connected or connected and fixed on working face, and cylinder is pressed on cooling recirculation system.Cooling recirculation system is pressed in using cylinder
On, make the hot face of thermo-electric generation monomer module/huyashi-chuuka (cold chinese-style noodles) uniform force controllable, realize property of the different monomers module under value of pressure
It can test, avoid pressure inequality to thermo-electric generation monomer module high-temperature interface resistance, the hot face/huyashi-chuuka (cold chinese-style noodles) of thermo-electric generation monomer module
The influence of interface resistance.
Baric systerm 2 uses the attachment structure of sliding cylinder and outside gas cylinder, and cylinder is connected with external gas cylinder, and inwardly
Inject air pressure.
Cooling recirculation system uses the attachment structure of red copper cooling jacket and outside constant temperature circulator.
Electrical heating test system 4 includes thermo-electric generation monomer module 41, heat-conducting plate 42, sheet type heat source unit, thermal insulation separation
Hot cell, insulation unit is located at thermo-electric generation monomer module surrounding, heat-conducting plate surrounding, sheet type heat source unit and lower work
Between face, sheet type heat source unit, heat-conducting plate, thermo-electric generation monomer module are set gradually, and heat-conducting plate is red copper heat-conducting plate, the temperature difference
Generating monomer module is away from lower working face.
Thickness is wound on the mica sheet 45 that thickness is 0.1~0.2mm to be less than or equal to less than or equal to 0.2mm, width
1.5mm heating wire 43, formula of laminating heat source unit, improves power of heat source density, beneficial in thermo-electric generation monomer module
High temperature is established in hot face, and greatly reduces thermal source side wall leakage heat.Heating wire in sheet type heat source unit and external power supply and
Hewlett-Packard's table is connected.
The working face under the surrounding of thermo-electric generation monomer module 41, the surrounding of heat-conducting plate 42, sheet type heat source unit and workbench
Between thermal conductivity≤0.03W/mK aerogel heat-insulating material 44 is set, in the outside of heater and thermo-electric generation monomer module
The design structure sealed using heat-barrier material, and is provided with vacuum (-tight) housing outside whole test device, realize test system with outside
Boundary it is heat-insulated, improve the measuring accuracy of thermo-electric generation monomer module conversion efficiency of thermoelectric.
Test system is connected with external device, the test table assembled tested as requested, in reality
During testing, the pressure size of pneumatic cylinder is consistent, and the contact surface at the cold and hot both ends of thermo-electric generation monomer module is in optimal
State.
The present invention can also be by installing fixed point temperature transducer, warp additional between electric heat source and the hot face of thermo-electric generation monomer module
Enclosed feedback controls, and realizes the thermostatic control to thermo-electric generation monomer module hot-face temperature, by cooling recirculation system and temperature
Install fixed point temperature transducer between poor generating monomer module huyashi-chuuka (cold chinese-style noodles) additional, controlled through the feedback of closed cycle cold-trap, realize and the temperature difference is sent out
The thermostatic control of electric monomer module coldface temperature, after cooling jacket is installed, it can effectively control thermo-electric generation monomer module
Coldface temperature can accurately measure the test number of each temperature range to required temperature range.
The present invention has the advantages and positive effects of：Constant-pressure test：Different monomers module is realized under value of pressure
Performance test, avoid pressure inequality to thermo-electric generation monomer module high-temperature interface resistance, the hot face of thermo-electric generation monomer module/
The influence of huyashi-chuuka (cold chinese-style noodles) interface resistance；Formula of laminating heat source unit：Power of heat source density is improved, beneficial in thermo-electric generation loose pattern
High temperature is established in the hot face of block, and greatly reduces thermal source side wall leakage heat；Insulation unit：In thermo-electric generation monomer module, heat
Insulation unit is set under source unit, thermo-electric generation monomer module and workbench between working face, realize test system with it is outer
Boundary it is heat-insulated, improve the measuring accuracy of thermo-electric generation monomer module conversion efficiency of thermoelectric.
One embodiment of the invention is described in detail above, but the content is only the preferable implementation of the present invention
Example, it is impossible to be considered as the practical range for limiting the present invention.All equivalent changes made according to the present patent application scope and improvement
Deng, all should still belong to the present invention patent covering scope within.
Claims (8)
1. a kind of thermo-electric generation monomer module thermoelectricity capability test table, it includes workbench, baric systerm, cooling cyclic system
System, electrical heating test system, connected between the upper working face of the workbench and lower working face by least two support columns, under described
The electrical heating test system, the cooling recirculation system, the baric systerm are sequentially provided with working face from the bottom to top, it is described
Cooling recirculation system includes cooling jacket, and the both sides of the cooling jacket are respectively equipped with boss, and the boss is provided with fixing hole,
The cooling recirculation system is connected to the lower working face by the fixing hole, and the electrical heating test system is stuck in described cold
But fixed between the circulatory system and the lower working face, the baric systerm includes sliding air pressure valve, cylinder, the upper working face
Center is provided with through hole, and the slip air pressure valve is affixed on the upper working face through the through hole, and the cylinder is pressed in
On the cooling recirculation system.
2. thermo-electric generation monomer module thermoelectricity capability test table according to claim 1, it is characterised in that：The electricity
Heating test system includes thermo-electric generation monomer module, heat-conducting plate, sheet type heat source unit, insulation unit, the insulation
Insulating unit located at the thermo-electric generation monomer module surrounding, the heat-conducting plate surrounding, the sheet type heat source unit with it is described
Between lower working face, the sheet type heat source unit, heat-conducting plate, thermo-electric generation monomer module are set gradually from the bottom to top, described
Thermo-electric generation monomer module is away from the lower working face.
3. thermo-electric generation monomer module thermoelectricity capability test table according to claim 2, it is characterised in that：The guarantor
Warm insulating unit is thermal conductivity≤0.03W/mK aerogel heat-insulating material.
4. thermo-electric generation monomer module thermoelectricity capability test table according to claim 2, it is characterised in that：It is described thin
Chip heat source unit is mica sheet, and heating wire is wound on the mica sheet.
5. thermo-electric generation monomer module thermoelectricity capability test table according to claim 4, it is characterised in that：The cloud
Master slice thickness is 0.1~0.2mm.
6. the thermo-electric generation monomer module thermoelectricity capability test table according to claim 4 or 5, it is characterised in that：Institute
State thickness≤0.2mm of heating wire, width≤1.5mm.
7. the thermo-electric generation monomer module thermoelectricity capability test table according to any one of claim 1 to 5, its feature exist
In：The cooling jacket material is red copper.
8. the thermo-electric generation monomer module thermoelectricity capability test table according to any one of claim 2 to 5, its feature exist
In：The heat-conducting plate material is red copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710700838.5A CN107727951A (en) | 2017-08-16 | 2017-08-16 | A kind of thermo-electric generation monomer module thermoelectricity capability test table |
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| CN201710700838.5A CN107727951A (en) | 2017-08-16 | 2017-08-16 | A kind of thermo-electric generation monomer module thermoelectricity capability test table |
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ID=61205214
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Cited By (4)
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| CN108828364A (en) * | 2018-06-29 | 2018-11-16 | 西安交通大学 | A kind of temperature-difference power generation module performance test test device and implementation method |
| CN109387711A (en) * | 2018-08-31 | 2019-02-26 | 西安交通大学 | A kind of temperature-difference power generation module experimental apparatus for capability and implementation method |
| CN111596162A (en) * | 2020-06-19 | 2020-08-28 | 中国核动力研究设计院 | Integrated thermoelectric device experimental device and method based on temperature difference type thermoelectric conversion |
| CN113339796A (en) * | 2021-06-02 | 2021-09-03 | 北京理工大学 | Thermoelectric system based on pulse type energy supply combustor |
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Application publication date: 20180223 |