CN109387698A - A kind of measuring device and its method of plate resistance - Google Patents
A kind of measuring device and its method of plate resistance Download PDFInfo
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- CN109387698A CN109387698A CN201710661875.XA CN201710661875A CN109387698A CN 109387698 A CN109387698 A CN 109387698A CN 201710661875 A CN201710661875 A CN 201710661875A CN 109387698 A CN109387698 A CN 109387698A
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- measurement
- connecting line
- plate
- intermediate plate
- measuring instrument
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention belongs to resistive measurement fields, more particularly to the measuring device and its method of a kind of plate resistance, the measuring device includes measuring instrument, measurement end and connecting line, connecting line is two groups, every group two, every connecting line includes backbone and at least two branch lines to extend out from backbone one end；Same Zu Zhongyigen connecting line top set's line and measurement end head correspond, and are connected on an intermediate plate of corresponding measurement end, and another connecting line top set line is connected on another intermediate plate of corresponding measurement end in same group；Backbone on two groups of connecting lines is connected with the connectivity port of measuring instrument respectively, the method that may further utilize the measuring device sheet material measurement resistance.The beneficial effects of the present invention are: multiple measurement ends are connected to the measurement of the enterprising andante material resistance of sheet coupon, reduce the influence of kelvin effect, the resistance measurement precision of sheet coupon is improved, and is changed at least on the basis of measuring instrument before use and material.
Description
Technical field
The invention belongs to resistive measurement fields, and in particular to a kind of measuring device and its method of plate resistance.
Background technique
The measuring device of pervious plate resistance is as described in Figure 1, using four end methods of testing, directly carries measuring instrument 1
Two measurement ends 2 be respectively clamped to the both ends of sheet coupon 4, measurement end 2 includes the company of two intermediate plates 21 and intermediate plate 21
Socket part 22, two intermediate plates 21 are connect with the plate face up and down of sheet coupon 4 respectively, and the intermediate plate 21 is by connecting line 3 and surveys
The connection of the corresponding port of measuring appratus 4, when sheet coupon 4 is wider, the resistance result that measures in this way there are biggish difference,
By analysis this is because kelvin effect or claim skin effect presence and caused by.So-called kelvin effect phenomenon (skin
Effect), or skin effect phenomenon is claimed to refer to that, when alternating current flows through conducting wire, changing magnetic field will led around conducting wire
Induced current is generated in line, to keep the current distribution is uneven along conductor cross-section even, especially when frequency is higher, this electric current is almost
It is to be flowed in a thin layer near conductive line surfaces.How to be improved in the Fundamentals of Measurement of existing plate resistance, to subtract
The influence of few kelvin effect is current engineering personnel technical problem urgently to be solved.
Summary of the invention
Of the existing technology the purpose of the present invention is overcoming, in sheet material measurement resistance, kelvin effect influences brighter
The problem for showing and causing plate resistivity measurements unstable provides one kind and changes most in former measuring instrument and material foundation
Few, the measuring device of the accurate plate resistance of plate resistivity measurements and the measurement method of plate resistance.
The technical solution adopted by the present invention to solve the technical problems is: a kind of measuring device of plate resistance, including surveys
Measuring appratus, measurement end and connecting line, connecting line are two groups, and every group two, every connecting line includes backbone and from backbone
At least two branch lines that one end extends out；Same Zu Zhongyigen connecting line top set's line and measurement end head correspond, and
It is connected on an intermediate plate of corresponding measurement end, another connecting line top set line is connected to corresponding measurement in same group
On another intermediate plate of end；Backbone on two groups of connecting lines is connected with the connectivity port of measuring instrument respectively.
Further, the measurement method that plate resistance is carried out using the measuring device, is included the following steps:
Step 1, measuring instrument plug in, and are preheated；
The measurement end being connected on same group of two connecting lines is clamped to the one of surveyed sheet coupon by step 2
Side, two backbones are connected respectively to the voltage drive low side and voltage sampling low side of measuring instrument；
The measurement end being connected on another group of two connecting lines is clamped to the other side of sheet coupon by step 3,
The voltage drive that two backbones are connected respectively to measuring instrument is high-end and voltage sampling is high-end；
Step 4 selects suitable resistance range, measures, and record measurement result.
Further, in step 2, the intermediate plate of the branch line connection on same root connecting line is located at the same of sheet coupon
Plate face；In step 3, the intermediate plate of the branch line connection on same root connecting line is located at the same plate face of sheet coupon.Same root connects
Branch line in wiring is located in the same plate face of sheet coupon, only one measurement end of the side of relatively pervious sheet coupon
Head is compared, and multiple branch lines are connect with sheet coupon, the harmony of electric current when improving test, further improves measurement essence
Degree.
Further, in step 3, the intermediate plate of the high-end connection of voltage drive is connected with voltage drive low side in step 2
With in a plate face of sheet coupon, the intermediate plate of the high-end connection of voltage sampling connects intermediate plate with voltage sampling low side in step 2
Intermediate plate in another plate face of sheet coupon.Voltage drive it is high-end with voltage drive low side in the same of sheet coupon
In a plate face, voltage sampling is high-end and voltage sampling low side is in another plate face of sheet coupon, more reduces collection skin
The influence of effect improves the resistance measurement precision of sheet coupon.
Further, the measurement end on two connecting lines in step 2 is evenly distributed in the side of sheet coupon,
Measurement end on two connecting lines in step 3 is evenly distributed in the other side of sheet coupon.Measuring end has distribution
In the two sides of sheet coupon, the harmony of test electric current is improved, the influence of kelvin effect is further reduced, more improves plate
The resistance measurement precision of material sample.
A kind of measuring device of plate resistance and its beneficial effect of method of the invention is: multiple measurement ends are connected to
The measurement of the enterprising andante material resistance of sheet coupon, reduces the influence of kelvin effect, improves the resistance measurement essence of sheet coupon
Degree, and changed at least on the basis of measuring instrument before use and material.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the schematic diagram of the measuring device of the plate resistance of the prior art；
Fig. 2 is the schematic diagram of the measuring device of plate resistance of the invention.
Wherein: 1. measuring instruments；2. measuring end；21. intermediate plate；22. interconnecting piece；3. connecting line；31. backbone；32. point
Branch line；4. sheet coupon.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
A kind of specific embodiment of the measuring device of plate resistance of the invention as shown in Figure 2 comprising measuring instrument
1, end 2 and connecting line 3 are measured, connecting line 3 is two groups, and measuring instrument 1 is (to select the limited public affairs of Dongtai City, Jiangsu Province dawn woods science and technology
Take charge of for the LCR digital electric bridge of the model XL2817 type of manufacture), every group two, every connecting line 3 include backbone 31 and from
At least two branch lines 32 that 31 one end of backbone extends out；3 top set's line 32 of connecting line and measurement end in same group
First 2 correspond, and are connected on an intermediate plate 21 of corresponding measurement end 2, another 3 top set of connecting line in same group
Line 32 is connected on another intermediate plate 21 of corresponding measurement end 2；Backbone 31 on two groups of connecting lines 3 respectively with measuring instrument
The connectivity port of device 1 is connected.
Further, the resistance measurement method that sheet coupon 4 is carried out using the measuring device, is included the following steps:
Step 1, measuring instrument 1 plug in, are preheated；It preferably preheats 10 minutes, so that being reached in measuring instrument 1
To after thermal balance, proper testing is carried out.
The measurement end 2 being connected on same group of two connecting lines 3 is clamped to surveyed sheet coupon 4 by step 2
Side, and the intermediate plate 21 of the connection of branch line 32 on same root connecting line 3 is located at the same plate face of sheet coupon 4, two masters
Main line 31 is connected respectively to the voltage drive low side (LD) and voltage sampling low side (LS) of measuring instrument 1.
The measurement end 2 being connected on another group of two connecting lines 3 is clamped to the another of sheet coupon 4 by step 3
Side, and the intermediate plate 21 of the connection of branch line 32 on same root connecting line 3 is located at the same plate face of sheet coupon 4, two trunks
Line 31 be connected respectively to measuring instrument 1 voltage drive high-end (HD) and voltage sampling it is high-end (HS), and voltage drive is high-end
(HD) intermediate plate 21 of voltage drive low side (LD) connection is the same as a plate face in sheet coupon 4 in the intermediate plate 21 and step 2 connected
On, the intermediate plate 21 of voltage sampling low side (LS) connection is the same as in plate in the intermediate plate 21 and step 2 of voltage sampling high-end (HS) connection
In another plate face of sample 4；Preferably, the measurement end 2 on two connecting lines 3 in step 2 is evenly distributed in plate
The side of sample 4, the measurement end 2 on two connecting lines 3 in step 3 are evenly distributed in the other side of sheet coupon 4,
It is further the measurement equally spaced two sides for being evenly distributed in sheet coupon 4 in end 2, can preferably improves plate in this way
The resistance measurement precision of sample 4.
Step 4 selects suitable resistance range, measures, and record measurement result.
With technical solution (two sides of sheet coupon 4 respectively clamp a measurement end 2) phase of existing sheet material measurement resistance
Than the two sides of sheet coupon 4 clamp multiple measurement ends 2 respectively, and AC test signals are added from many places, test can be improved
The harmony of electric current can make the electric current of each section in tested sample identical, and which reduces the influences of kelvin effect, improve
The resistance measurement precision of sheet coupon 4, and be only the change done connecting line 3 in design, i.e., extend on backbone 31
Several branch lines 32, it is such to change at least.
It should be appreciated that described above, the specific embodiments are only for explaining the present invention, is not intended to limit the present invention.By
The obvious changes or variations that spirit of the invention is extended out are still in the protection scope of this invention.
Claims (5)
1. a kind of measuring device of plate resistance, including measuring instrument (1), measurement end (2) and connecting line (3), feature exists
It is two groups in: the connecting line (3), every group two, the every connecting line (3) includes backbone (31) and from the backbone
(31) at least two branch lines (32) that one end extends out；
The branch line (32) and the measurement end (2) correspond on a connecting line (3) in same group, and connect
On an intermediate plate (21) of corresponding measurement end (2), another connecting line (3) top set line in same group
(32) it is connected on another intermediate plate (21) of corresponding measurement end (2)；
The backbone (31) on connecting line described in two groups (3) is connected with the connectivity port of measuring instrument (1) respectively.
2. carrying out the measurement method of plate resistance using measuring device described in claim 1, which is characterized in that including walking as follows
It is rapid:
Step 1, measuring instrument (1) plug in, are preheated；
The measurement end (2) being connected on same group of two connecting lines (3) is clamped to institute's drafting board material by step 2
The side of sample (4), two backbones (31) are connected respectively to the voltage drive low side and voltage sampling of measuring instrument (1)
Low side；
The measurement end (2) being connected on another group of two connecting lines (3) is clamped to the plate by step 3
The other side of sample (4), the voltage drive that two backbones (31) are connected respectively to measuring instrument (1) is high-end and voltage takes
Sample is high-end；
Step 4 selects suitable resistance range, measures, and record measurement result.
3. measurement method according to claim 2, it is characterised in that: in step 2, on connecting line described in same root (3)
The intermediate plate (21) of branch line (32) connection is located at the same plate face of the sheet coupon (4)；In step 3, described in same root
The intermediate plate (21) of branch line (32) connection on connecting line (3) is located at the same plate face of the sheet coupon (4).
4. measurement method according to claim 3, it is characterised in that: in step 3, the high-end connection of voltage drive it is described
The intermediate plate (21) that intermediate plate (21) is connected with voltage drive low side in step 2 is the same as a plate face in the sheet coupon (4)
On, the intermediate plate (21) that the intermediate plate (21) of the high-end connection of voltage sampling is connected with voltage sampling low side in step 2 with
In another plate face of the sheet coupon (4).
5. measurement method according to claim 2, it is characterised in that: on two connecting lines (3) in step 2
Measurement end (2) is evenly distributed in the side of the sheet coupon (4), two connecting lines (3) in step 3
On the measurement end (2) be evenly distributed in the other sides of the sheet coupon (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710661875.XA CN109387698B (en) | 2017-08-04 | 2017-08-04 | Device and method for measuring sheet resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710661875.XA CN109387698B (en) | 2017-08-04 | 2017-08-04 | Device and method for measuring sheet resistance |
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| Publication Number | Publication Date |
|---|---|
| CN109387698A true CN109387698A (en) | 2019-02-26 |
| CN109387698B CN109387698B (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710661875.XA Active CN109387698B (en) | 2017-08-04 | 2017-08-04 | Device and method for measuring sheet resistance |
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| CN (1) | CN109387698B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115401071A (en) * | 2022-09-06 | 2022-11-29 | 太原科技大学 | Device for rolling metal plate strip by current sectional auxiliary heating and using method |
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| CN1920583A (en) * | 2005-08-26 | 2007-02-28 | 中国农业大学 | Multi-purpose vehicle mounted soil specific conductivity real-time tester |
| US20080197864A1 (en) * | 2007-02-15 | 2008-08-21 | Fujitsu Limited | Resistance measuring method |
| CN102262183A (en) * | 2011-06-14 | 2011-11-30 | 中国科学院合肥物质科学研究院 | Multi-configurational detector for detecting conductivity of soil based on current-voltage four-terminal method |
| CN203688599U (en) * | 2013-12-31 | 2014-07-02 | 昆山鼎鑫电子有限公司 | Four-wire test fixture |
| CN203838188U (en) * | 2014-05-22 | 2014-09-17 | 甘肃机电职业技术学院 | Eight-point four-line self-cooling multifunctional measuring fixture |
| CN204203363U (en) * | 2014-09-17 | 2015-03-11 | 上海精密计量测试研究所 | A kind of electric resistance measuring apparatus |
| CN104749439A (en) * | 2015-04-17 | 2015-07-01 | 武汉大学 | Powder metallurgy sintered alloy sample conductivity measurement system and powder metallurgy sintered alloy sample conductivity measurement method |
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2017
- 2017-08-04 CN CN201710661875.XA patent/CN109387698B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1920583A (en) * | 2005-08-26 | 2007-02-28 | 中国农业大学 | Multi-purpose vehicle mounted soil specific conductivity real-time tester |
| US20080197864A1 (en) * | 2007-02-15 | 2008-08-21 | Fujitsu Limited | Resistance measuring method |
| CN102262183A (en) * | 2011-06-14 | 2011-11-30 | 中国科学院合肥物质科学研究院 | Multi-configurational detector for detecting conductivity of soil based on current-voltage four-terminal method |
| CN203688599U (en) * | 2013-12-31 | 2014-07-02 | 昆山鼎鑫电子有限公司 | Four-wire test fixture |
| CN203838188U (en) * | 2014-05-22 | 2014-09-17 | 甘肃机电职业技术学院 | Eight-point four-line self-cooling multifunctional measuring fixture |
| CN204203363U (en) * | 2014-09-17 | 2015-03-11 | 上海精密计量测试研究所 | A kind of electric resistance measuring apparatus |
| CN104749439A (en) * | 2015-04-17 | 2015-07-01 | 武汉大学 | Powder metallurgy sintered alloy sample conductivity measurement system and powder metallurgy sintered alloy sample conductivity measurement method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115401071A (en) * | 2022-09-06 | 2022-11-29 | 太原科技大学 | Device for rolling metal plate strip by current sectional auxiliary heating and using method |
| CN115401071B (en) * | 2022-09-06 | 2023-08-11 | 太原科技大学 | Device for rolling metal plate strip by current segmentation auxiliary heating and use method |
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| Publication number | Publication date |
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| CN109387698B (en) | 2021-01-29 |
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Address after: 213000 No.28, Mingxin Middle Road, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou Polytechnic Address before: 213164 No.28, Mingxin Middle Road, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU VOCATIONAL INSTITUTE OF LIGHT INDUSTRY |
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