CN203069710U - System for electrical transport property measurement on material - Google Patents
System for electrical transport property measurement on material Download PDFInfo
- Publication number
- CN203069710U CN203069710U CN 201320081458 CN201320081458U CN203069710U CN 203069710 U CN203069710 U CN 203069710U CN 201320081458 CN201320081458 CN 201320081458 CN 201320081458 U CN201320081458 U CN 201320081458U CN 203069710 U CN203069710 U CN 203069710U
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- Prior art keywords
- magnetic field
- electromagnet
- power supply
- current source
- matrix switch
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Abstract
The utility model relates to a system for electrical transport property measurement on materials. The system comprises a computer, a magnetic field power supply, an electromagnet, a magnetic field meter, a test fixture, a current source, a matrix switch, and a voltmeter. The magnetic field power supply, the current source, and the voltmeter are respectively connected with the computer and are controlled by the computer. The electromagnet can generate magnetic field in gaps of the electromagnet. The magnetic field meter is disposed in a gap of the electromagnet. The electromagnet and the magnetic field meter are respectively connected with the magnetic field power supply. A to-be-tested material is disposed on the test fixture. The test fixture is connected with the matrix switch. The matrix switch is disposed between the current source and the voltmeter. The system is simple in structure and high in integration degree and control precision, so users can conveniently and rapidly perform electrical transport tests and obtain accurate and reliable data. The system is a powerful tool for most science researchers to research materials' electrical transport properties.
Description
[technical field]
The utility model relates to a kind of testing apparatus, is specifically related to a kind of system that material is carried out the measurement of electronic transport character, belongs to the surveying instrument technical field.
[background technology]
The electronic transport measuring system is a kind of instrument that can carry out the electronic transport property research to material, it can carry out Hall effect, I-V characteristic (the I-V characteristic under different magnetic field and the different temperatures), R-T characteristic (fixed magnetic field, resistance is along with the characteristic of temperature variation) and the measurement of R-H characteristic (fixed temperature, resistance is along with the characteristic of changes of magnetic field) etc.
Yet, in the market the electronic transport measuring system ubiquity of Xiao Shouing that complex structure, percent of automatization are low, many defectives such as test process trouble and control out of true.
Therefore, for avoiding above-mentioned technical matters, necessary provide a kind of have structure improved material is carried out the system that electronic transport character is measured, to overcome described defective of the prior art.
[utility model content]
For addressing the above problem, the purpose of this utility model be to provide a kind of simple in structure, automaticity is high and control accuracy is high that material is carried out the system that electronic transport character is measured.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of system that material is carried out the measurement of electronic transport character is characterized in that: comprise computing machine, magnetic field power supply, electromagnet, magnetic-field measurement meter, detection clamp, current source, matrix switch and voltage table; Wherein, described magnetic field power supply, current source, voltage table are connected on the computing machine respectively, and by computer control; Described electromagnet can produce magnetic field in the electromagnet gap, the magnetic-field measurement meter is positioned in the electromagnet gap; Described electromagnet, magnetic-field measurement score are not connected with magnetic field power supply; Place detected materials on the described detection clamp, detection clamp is connected on the matrix switch; Described matrix switch is arranged between current source and the voltage table.
Of the present utility modelly material is carried out the system that electronic transport character measures further be set to: the built-in magnetic-field measurement module of described magnetic field power supply, magnetic field power supply can read the magnetic field size by the magnetic-field measurement meter, controls from moving field thereby form; Described matrix switch is dynamically connected and the relation of switchable current source, voltage table and detection clamp certainly, has saved loaded down with trivial details artificial connection; Described computing machine has comprised robotization control software, can control each unit collaborative work comprehensively, reads and deal with data, calculates and the output net result.
Compared with prior art, the utlity model has following beneficial effect: of the present utility model that material is carried out the system architecture that electronic transport character measures is simple, integrated degree and control accuracy height can allow the user carry out the electronic transport test quickly and easily, and obtain data accurately and reliably.
[description of drawings]
Fig. 1 is the schematic diagram that material is carried out the system of electronic transport character measurement of the present utility model.
[embodiment]
See also shown in the Figure of description 1, the utility model is a kind of system that material is carried out the measurement of electronic transport character, and it is made up of several parts such as computing machine 1, magnetic field power supply 2, electromagnet 3, magnetic-field measurement meter 4, current source 5, matrix switch 6, voltage table 7 and detection clamps 8.
Wherein, described magnetic field power supply 2, current source 5, matrix switch 6, voltage table 7 are connected to respectively on the computing machine 1, and are unified control and read data by computing machine 1.
Described electromagnet 3 can produce magnetic field in the electromagnet gap.Described magnetic-field measurement meter 4 is positioned in electromagnet 3 gaps.This magnetic-field measurement meter 4 is used for the magnetic field that the electromagnet gap produces is measured.Detection clamp 8 is positioned in electromagnet 3 gaps.
Described magnetic field power supply 2 built-in magnetic-field measurement modules (not shown), magnetic field power supply 2 can read the magnetic field size by magnetic-field measurement meter 4, controls from moving field thereby form.
Described electromagnet 3 is connected with magnetic field power supply 2 respectively with magnetic-field measurement meter 4.2 pairs of described electromagnet 3 power supplies of described magnetic field power supply, simultaneously, magnetic-field measurement meter 4 can read out the magnetic field that reality produces, and feeds back to electromagnet 3, so just can form a closed loop, plays the accurately effect of control of magnetic field.
Described matrix switch 6 is arranged between current source 5 and the voltage table 7.Current source 5 adds to detection clamp 8 to electric current by matrix switch 6.Detected materials is positioned on the detection clamp 8, and electric current can encourage detected materials, and detected materials just can produce voltage, and the voltage signal of generation is given voltage table 7 through matrix switch 6.The data of current source 5 and voltage table 7 all are sent to computing machine 1 and handle, and so just can realize the function of measuring.
Above embodiment only is the preferred embodiment of this creation, not in order to limiting this creation, all in this creation spirit and principle within make any modification, be equal to replacement, improvement etc., all should be included within the protection domain of this creation.
Claims (1)
1. the system that material is carried out the measurement of electronic transport character is characterized in that: comprise computing machine, magnetic field power supply, electromagnet, magnetic-field measurement meter, detection clamp, current source, matrix switch and voltage table; Wherein, described magnetic field power supply, current source, voltage table are connected on the computing machine respectively, and by computer control; Described electromagnet can produce magnetic field in the electromagnet gap, the magnetic-field measurement meter is positioned in the electromagnet gap; Described electromagnet, magnetic-field measurement score are not connected with magnetic field power supply; Described detection clamp is connected on the matrix switch; Described matrix switch is arranged between current source and the voltage table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320081458 CN203069710U (en) | 2013-02-22 | 2013-02-22 | System for electrical transport property measurement on material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320081458 CN203069710U (en) | 2013-02-22 | 2013-02-22 | System for electrical transport property measurement on material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069710U true CN203069710U (en) | 2013-07-17 |
Family
ID=48768482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320081458 Expired - Lifetime CN203069710U (en) | 2013-02-22 | 2013-02-22 | System for electrical transport property measurement on material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069710U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901337A (en) * | 2014-03-31 | 2014-07-02 | 西安华芯半导体有限公司 | Test system and method for measuring I-V circuit through integrated switch matrix |
| CN103941117A (en) * | 2014-03-14 | 2014-07-23 | 上海交通大学 | Electric transport property measuring device and measuring method |
| CN104181341A (en) * | 2014-08-29 | 2014-12-03 | 中国科学技术大学 | Multi-functional sample rod for electromagnetism testing and photoelectricity testing |
-
2013
- 2013-02-22 CN CN 201320081458 patent/CN203069710U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941117A (en) * | 2014-03-14 | 2014-07-23 | 上海交通大学 | Electric transport property measuring device and measuring method |
| CN103941117B (en) * | 2014-03-14 | 2016-04-06 | 上海交通大学 | Electrical transport measurement mechanism and measuring method |
| CN103901337A (en) * | 2014-03-31 | 2014-07-02 | 西安华芯半导体有限公司 | Test system and method for measuring I-V circuit through integrated switch matrix |
| CN104181341A (en) * | 2014-08-29 | 2014-12-03 | 中国科学技术大学 | Multi-functional sample rod for electromagnetism testing and photoelectricity testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term |