CN206756727U - A kind of Seebeck coefficient testing devices - Google Patents
A kind of Seebeck coefficient testing devices Download PDFInfo
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- CN206756727U CN206756727U CN201720412861.XU CN201720412861U CN206756727U CN 206756727 U CN206756727 U CN 206756727U CN 201720412861 U CN201720412861 U CN 201720412861U CN 206756727 U CN206756727 U CN 206756727U
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- seebeck coefficient
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- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 239000010703 silicon Substances 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims description 16
- 240000007313 Tilia cordata Species 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
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- Testing Of Individual Semiconductor Devices (AREA)
Abstract
A kind of Seebeck coefficient testing devices are the utility model is related to, it includes control module, heating module and data acquisition module；The control module controls the heating module work, and the heating module is connected with the data acquisition module；The control module includes two controllable silicon pressure regulators, a time-delay relay, a single-pole double-throw switch (SPDT) and a master switch；Two described thyristor regulating depressor one end are connected to zero line, and the other end is connected to live wire, and the control terminal of the two thyristor regulating depressors is all connected to zero line through the single-pole double-throw switch (SPDT)；A thyristor regulating depressor control terminal is located therein, the time-delay relay is also associated between the single-pole double-throw switch (SPDT) and zero line；The master switch of the responsible control module entirety on/off is additionally provided with zero line.The utility model is simple in construction, test is accurate, easy to use, there is provided wider measurement range, can the extensive use in semiconductor test field.
Description
Technical field
A kind of semiconductor test apparatus is the utility model is related to, sample is heated and thermometric especially with regard to a kind of
Seebeck coefficient testing devices.
Background technology
Seebeck coefficients are the important parameters of reaction material thermoelectricity capability, and quick, accurate measurement Seebeck coefficients are to commenting
Estimating conducting material thermoelectricity performance has great significance.At present, the method for measuring Seebeck coefficients mainly has static method and dynamic method.Its
In, it is quite ripe using the technology of static method, but process is relatively complicated；It is relatively simple using the technical process of dynamic method
Just, but suitable configuration is needed to can be only achieved preferable measuring accuracy.For dynamic approach, to obtain higher test essence
Degree, it is necessary to accomplish it is following some：1st, voltage and temperature signal must measure simultaneously in same position；2nd, thermometric and survey voltage are visited
Head must have thermo-contact well and electrical contact with specimen surface；3rd, the reaction time of thermocouple must be short enough, with can be accurate
Really measure the temperature in dynamic change；4th, can in high precision, Quick Acquisition temperature and voltage signal.Therefore, offer one is provided badly
The new device of kind has the dynamic test of higher measuring accuracy to realize.
The content of the invention
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of Seebeck coefficient testing devices, the letter of its structure
List, test are accurate, easy to use, can provide wider measurement range.
To achieve the above object, the utility model takes following technical scheme：A kind of Seebeck coefficient testing devices, its
It is characterised by：It includes control module, heating module and data acquisition module；The control module controls the heating module work
Make, and the heating module is connected with the data acquisition module；The control module includes two controllable silicon pressure regulators, a delay
Relay, a single-pole double-throw switch (SPDT) and a master switch；Two described thyristor regulating depressor one end are connected to zero line, and the other end all connects
Live wire is connected to, and the control terminal of the two thyristor regulating depressors is all connected to zero line through the single-pole double-throw switch (SPDT)；It is located therein
The one thyristor regulating depressor control terminal, is also associated with the time-delay relay between the single-pole double-throw switch (SPDT) and zero line；
The master switch of the responsible control module entirety on/off is additionally provided with zero line.
The heating module includes a ceramic base, two high power heating tubes and two red copper thermally conductive sheets；The pottery
Sample is placed with porcelain base, two high power heating tubes are respectively positioned at the both ends of sample on the ceramic base, and often
A red copper thermally conductive sheet is both provided with above the individual high power heating tube.
Each high power heating tube is connected to a thyristor regulating depressor control terminal, and is located at the hilted broadsword
Between commutator and zero line；And one of them described high power heating tube is in parallel with the time-delay relay.
The ceramic base is arranged in linden layer shell, and being sticked between the ceramic base and the linden layer shell has
Asbestos heat-insulation layer.
The data acquisition module includes two thermocouples, a universal meter and computer；Two described thermocouple one end point
All be not connected with the end in contact of sample two, the other end of two thermocouples with the universal meter, by the temperature collected and
Voltage signal is transmitted to the computer.
For the utility model due to taking above technical scheme, it has advantages below：1st, the utility model is due to using control
Molding block, heating module and data acquisition module are formed, and are easy to assemble, dismantle, safeguard and reuse.2nd, the utility model is adopted
With thyristor regulating depressor and time-delay relay, heating rate and temperature difference size can be conveniently adjusted, wider measurement model can be carried out
Enclose.3rd, the utility model is provided with linden layer shell outside ceramic base, and is pasted between ceramic base and linden layer shell
Provided with asbestos heat-insulation layer, and then thermal loss is effectively reduced, improve the accuracy of test.
In summary, the utility model can the extensive use in semiconductor test field.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is control module structural representation of the present utility model；
Fig. 3 is heating module linden layer shell side view of the present utility model.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, the utility model provides a kind of Seebeck coefficient testing devices based on dynamic method, for quick
The Seebeck coefficients of sample are determined, it includes control module 1, heating module 2 and data acquisition module 3.Control module 1 controls
Heating module 2 is worked, and heating module 2 is connected with data acquisition module 3, and test data collection is carried out by data acquisition module 3.
As shown in Fig. 2 control module 1 includes two controllable silicon pressure regulators 4, a single-pole double-throw switch (SPDT) 5, a time-delay relay 6
With a master switch 7.The one end of two controllable silicon pressure regulator 4 is connected to zero line, and the other end is connected to live wire, and two silicon-controlled voltage regulations
The control terminal of device 4 is all connected to zero line through single-pole double-throw switch (SPDT) 5.The control terminal of a thyristor regulating depressor 4 is located therein, it is double in hilted broadsword
Time-delay relay 6 is also associated between throw switch 5 and zero line, controls the wherein thyristor regulating depressor 4 relative by time-delay relay 6
The delay opening time of another thyristor regulating depressor 4.Master switch 7 is additionally provided with zero line, control is responsible for by master switch 7
Module entirety on/off.
Heating module 2 includes 8, two high power heating tubes 9 of a ceramic base and two red copper thermally conductive sheets.Ceramic base
Sample is placed with 8, two high power heating tubes 9 are respectively positioned at the both ends of sample on ceramic base 8, and each high power heats
The top of pipe 9 is both provided with a red copper thermally conductive sheet.Each high power heating tube 9 is connected to a thyristor regulating depressor 4 and controlled
End, and between single-pole double-throw switch (SPDT) 5 and zero line, the heating electricity of corresponding high power heating tube 9 is controlled by thyristor regulating depressor 1
Press size；And one of high power heating tube 9 is in parallel with time-delay relay 6, passes through the delay of time-delay relay 6 and connect the Gao Gong
The place circuit of rate heating tube 9.
In above-described embodiment, as shown in figure 3, ceramic base 8 is arranged in linden layer shell 10, ceramic base 8 and linden
Being sticked between layer shell 10 has asbestos heat-insulation layer.
Data acquisition module 3 includes two thermocouples, a universal meter and computer.Two thermocouple one end respectively with sample
Two end in contact, the other end of two thermocouples are all connected with universal meter, and the temperature collected and voltage signal are transmitted to computer,
Recorded in real time by computer, complete the Seebeck coefficients test of sample.
In summary, the utility model when in use, closes master switch 7, adjusts the output of thyristor regulating depressor 4 first
The delay time of voltage and time-delay relay 6；Then single-pole double-throw switch (SPDT) 5 is closed, a high power heating tube 9 is immediately begun to
Heating, after reaching setting time, another high power heating tube 9 also begins to heat.
The various embodiments described above are merely to illustrate the utility model, and the connection of each part and structure are all to be varied from
, it is all to be entered according to connection of the utility model principle to individual part and structure on the basis of technical solutions of the utility model
Capable improvement and equivalents, it should not exclude outside the scope of protection of the utility model.
Claims (5)
- A kind of 1. Seebeck coefficient testing devices, it is characterised in that：It includes control module, heating module and data acquisition module Block；The control module controls the heating module work, and the heating module is connected with the data acquisition module；The control module includes two controllable silicon pressure regulators, a time-delay relay, a single-pole double-throw switch (SPDT) and a master switch；Two institutes State thyristor regulating depressor one end and be connected to zero line, the other end is connected to live wire, and the control of the two thyristor regulating depressors End is all connected to zero line through the single-pole double-throw switch (SPDT)；A thyristor regulating depressor control terminal is located therein, in the hilted broadsword The time-delay relay is also associated between commutator and zero line；It is whole that the responsible control module is additionally provided with zero line The master switch of body on/off.
- A kind of 2. Seebeck coefficient testing devices as claimed in claim 1, it is characterised in that：The heating module includes one Individual ceramic base, two high power heating tubes and two red copper thermally conductive sheets；Sample is placed with the ceramic base, described in two High power heating tube is respectively positioned at the both ends of sample on the ceramic base, and set above each high power heating tube There is a red copper thermally conductive sheet.
- A kind of 3. Seebeck coefficient testing devices as claimed in claim 2, it is characterised in that：Each high power heating Pipe is connected to a thyristor regulating depressor control terminal, and between the single-pole double-throw switch (SPDT) and zero line；And wherein One high power heating tube is in parallel with the time-delay relay.
- A kind of 4. Seebeck coefficient testing devices as described in any one of Claims 2 or 3, it is characterised in that：The ceramic bottom Seat is arranged in linden layer shell, and being sticked between the ceramic base and the linden layer shell has asbestos heat-insulation layer.
- A kind of 5. Seebeck coefficient testing devices as claimed in claim 2 or claim 3, it is characterised in that：The data acquisition module Including two thermocouples, a universal meter and computer；Two described thermocouple one end respectively with the end in contact of sample two, two institutes The other end for stating thermocouple is all connected with the universal meter, and the temperature collected and voltage signal are transmitted to the computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720412861.XU CN206756727U (en) | 2017-04-19 | 2017-04-19 | A kind of Seebeck coefficient testing devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720412861.XU CN206756727U (en) | 2017-04-19 | 2017-04-19 | A kind of Seebeck coefficient testing devices |
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| CN206756727U true CN206756727U (en) | 2017-12-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613051A (en) * | 2018-10-24 | 2019-04-12 | 武汉嘉仪通科技有限公司 | A kind of device and method using method of comparison measurement material Seebeck coefficient |
| CN109781781A (en) * | 2019-01-18 | 2019-05-21 | 中国工程物理研究院材料研究所 | A kind of alternating-current measurement device and method of Seebeck coefficient |
| CN110530927A (en) * | 2019-10-10 | 2019-12-03 | 王雪强 | A kind of thermoelectric material Seebeck coefficient test device and method |
-
2017
- 2017-04-19 CN CN201720412861.XU patent/CN206756727U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613051A (en) * | 2018-10-24 | 2019-04-12 | 武汉嘉仪通科技有限公司 | A kind of device and method using method of comparison measurement material Seebeck coefficient |
| CN109613051B (en) * | 2018-10-24 | 2021-08-17 | 武汉嘉仪通科技有限公司 | Device and method for measuring Seebeck coefficient of material by using contrast method |
| CN109781781A (en) * | 2019-01-18 | 2019-05-21 | 中国工程物理研究院材料研究所 | A kind of alternating-current measurement device and method of Seebeck coefficient |
| CN110530927A (en) * | 2019-10-10 | 2019-12-03 | 王雪强 | A kind of thermoelectric material Seebeck coefficient test device and method |
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