CN101750542B - Measurable multipoint resistance value measuring system and method thereof - Google Patents
Measurable multipoint resistance value measuring system and method thereof Download PDFInfo
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- CN101750542B CN101750542B CN2008101841066A CN200810184106A CN101750542B CN 101750542 B CN101750542 B CN 101750542B CN 2008101841066 A CN2008101841066 A CN 2008101841066A CN 200810184106 A CN200810184106 A CN 200810184106A CN 101750542 B CN101750542 B CN 101750542B
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Abstract
The invention provides a measurable multipoint resistance value measuring system and a method thereof; the measuring system comprises a control device and a lifting device; the control device is provided with an output and input unit for transmitting current; the lifting device is provided with a platform, at least one vertical column and a lifting platform; a workpiece to be detected is placed on the platform, the vertical column is arranged on the platform, the lifting platform is arranged on the vertical column and is loaded with a changeable movable plate; a plurality of probes are sequentially arranged at a plurality of presetting positions of the movable plate, and the probes are connected to the output and input unit; when in measurement, the movable plate is descended by the lifting platform, so as to lead the probes to be contacted with the workpiece to be detected, and the current is continuously transmitted to the two presetting probes, so as to measure the jumping voltage of the two probes for transferring current in a time-sharing way and further obtain a plurality of resistance values. The resistance value can be automatically measured, a plurality of points to be detected are detected within a short time, the probe section positions are arranged or the corresponding movable plates are replaced, so as to display, store and analyze the information such as the multipoint resistance value.
Description
Technical field
The invention relates to a kind of measurable multipoint resistance value measuring system and method thereof, particularly a kind of can be at short notice, the measuring system and the method for multipoint resistance value measured in timesharing.
Background technology
For various workpieces for measurement, the resistance value of a plurality of tested points is very important reference datas.For example: on the metal-plated rete of plastic parts,, can learn whether the metal-plated rete is even, and have or not in the plastic parts and open circuit through measuring multipoint resistance value.
But when obtaining multipoint resistance value, mostly be to use analog or digital avometer at present, and bit by bit measure at leisure with manual type.This metering system except Measuring Time is tediously long, also needs the human cost of consumes expensive; Cause the user in the measurement of reality; Usually only can select the tested point of part, and be difficult to comprehensive measurement multipoint resistance value, therefore be easy to generate deviation or omission and influence judgement.
As shown in Figure 1, be the synoptic diagram of the measuring method of a kind of resistance value in the prior art.Among the figure, the user is through digital avometer 1 measured resistance value.When measuring; Earlier with two probes 16 of red and black or an end of prod; Insert respectively in second jack 12 of first jack 11 indicating V/ Ω (voltage/resistance) and COM (common poles); And switch 13 switched to resistance region 14 (Ω), and again the other end of two probes 16 is received on the tested point 17 of workpiece for measurement 18, let the user on display screen 15, read the resistance value of tested point 17.
In sum, the shortcoming of prior art is to use analog or digital avometer; And measure multipoint resistance value one by one with manual type, not only Measuring Time is tediously long, and human cost is quite high; And the tested point of measure portion only, also be easy to generate deviation and cause erroneous judgement.
For solving the shortcoming of prior art; To satisfy the demand of user to measuring system; The inventor is based on going in for the study for many years and many practical experience; Through research and design and special topic discussion in many ways, in the present invention a kind of measurable multipoint resistance value measuring system and method thereof are proposed, with implementation and basis as aforementioned expectation.
Summary of the invention
Because above-mentioned problem, the purpose of this invention is to provide a kind of measurable multipoint resistance value measuring system and method thereof, particularly a kind of can be at short notice, the measuring system and the method for multipoint resistance value measured in timesharing.Simultaneously; The present invention is with respect to the effect of prior art, but except that the automatic measurement resistance value, also can be in the extremely short time; Measure a plurality of tested points in large quantities; Also can to set up these probe segment positions or to change corresponding portable plate, can also information such as multipoint resistance value be shown, store and analyze according to the customized demand of workpiece for measurement.
For reaching above-mentioned purpose, the present invention proposes a kind of measurable multipoint resistance value measuring system, and it comprises a control device and a jacking gear.This control device is preferably a computing machine, a control desk or a processor, and it has an output/input unit to transmit an electric current.In addition jacking gear has a platform, at least one column and a lifting table, and places a workpiece for measurement on the platform, and column is located on the platform, and lifting table is located on the column, and is loaded with the portable plate that can substitute.A plurality of precalculated positions of this portable plate are provided with a plurality of probes or prod one by one, and these probes are connected in output/input unit.
When measuring, through lifting table decline portable plate, make these probe contact measured workpiece, and electric current is sent to two predetermined probes successively, be transmitted the cross-pressure of two probes of electric current with the timesharing measurement, and then try to achieve a plurality of resistance values.Moreover, when measure accomplishing, draw high portable plate through lifting table, make these probes leave workpiece for measurement, so that workpiece for measurement is taken out, and new workpiece for measurement is placed on the platform.
Above-mentioned section control device also can have a control module, a display unit, a storage element and a processing unit.This control module is sent to two predetermined probes in order to Control current; Display unit and storage element are respectively in order to showing or to write down distance, electric current, these cross-pressures and these resistance values of two probes, and processing unit is in order to analyze a plurality of tested points of these resistance values and workpiece for measurement.Also have, electric current is provided by a power supply unit, and these cross-pressures are measured by a metering circuit.And lifting table goes up and down through a slide rail or a gear.Other portable plate is set up these probes according to the customized demand of workpiece for measurement position.
Moreover the present invention also proposes the measuring method of another kind of multipoint resistance value, and it comprises the following step:
(a) measuring system is provided, it comprises a control device and a jacking gear.This control device is preferably a computing machine, a control desk or a processor, and has an output/input unit.And jacking gear has a platform, at least one column and a lifting table, and column is located on the platform, and lifting table is located on the column.
(b) workpiece for measurement is placed on the platform.
(c) a plurality of probes or prod are located at one by one a plurality of precalculated positions of the portable plate that can substitute, so that portable plate is placed on the lifting table, and these probes are connected in output/input unit.This portable plate is set up the position of these probes according to the customized demand of workpiece for measurement.
(d) when measuring,, make these probe contact measured workpiece through lifting table decline portable plate.
(e) see through output/input unit and transmit electric current successively, be transmitted the cross-pressure of two probes of electric current with the timesharing measurement, and then try to achieve a plurality of resistance values to two predetermined probes.This electric current is provided by a power supply unit, and these cross-pressures are measured by a metering circuit.Above-mentioned control device also can have a control module, a display unit, a storage element and a processing unit.This control module is sent to two predetermined probes in order to Control current, and display unit and storage element are managed the unit in order to analyze these resistance values and tested point elsewhere respectively in order to show or to write down distance, electric current, these cross-pressures and these resistance values of two probes.
(f) when measuring completion, draw high portable plate, make these probes leave workpiece for measurement through lifting table.This lifting table goes up and down through a slide rail or a gear.
(g) workpiece for measurement is taken out, and new workpiece for measurement is placed on the platform.
Measurable multipoint resistance value measuring system of the present invention and method thereof have advantage:
Utilize control device and jacking gear to replace avometer, reaching the purpose of automatic measurement resistance value, and save the expenditure of human cost; Through the lifting action of lifting table, make workpiece for measurement on platform, be easy to place or take out, and can measure the workpiece for measurement of different-thickness; Can be according to the customized demand of workpiece for measurement, with the position of setting up these probes or change corresponding portable plate, measure workpiece for measurement miscellaneous by this; Design a plurality of probes and timesharing measurement mechanism, can in the extremely short time (as several milliseconds), measure the resistance value of a plurality of tested points in a large number; Information such as distance, tested point, electric current, cross-pressure and resistance value for probe can be shown, store or analyzed by display unit, storage element and processing unit, reduce possible error by this, and assist the user to make best judgement.
Description of drawings
Fig. 1 is the synoptic diagram of the measuring method of resistance value in existing.
Fig. 2 to Fig. 3 shows the synoptic diagram of measurable multipoint resistance value measuring system of the present invention and method thereof.
Drawing reference numeral:
1: digital avometer
11: the first jacks
12: the second jacks
13: switch
14: resistance region
15: display screen
16: probe
17: tested point
18: workpiece for measurement
2: measuring system
21: control device
211: output/input unit
212: control module
213: display unit
214: storage element
215: processing unit
216: metering circuit
217: power supply unit
218: electric current
22: jacking gear
221: platform
222: column
223: lifting table
2231: first direction
2232: second direction
224: workpiece for measurement
225: portable plate
226～226e: probe
227: cross-pressure
Embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable; Hereinafter is according to measurable multipoint resistance value measuring system of the present invention and method thereof; Special act preferred embodiment; And cooperate appended correlative type, and elaborate as follows, wherein components identical will be explained with the components identical symbol.
Please consulting Fig. 2 to Fig. 3 simultaneously, is the synoptic diagram that shows measurable multipoint resistance value measuring system of the present invention and method thereof.Among the figure, measuring system 2 comprises a control device 21 and a jacking gear 22.This control device 21 is preferably a computing machine, a control desk or a processor, and has an output/input unit 211, also can increase a control module 212, a display unit 213, a storage element 214 and a processing unit 215.And output/input unit 211 is preferably a port,input-output, an analog transmission interface or a digital transmission interface.Moreover jacking gear 22 has a platform 221, four columns 222 (Fig. 2 and Fig. 3 are perspective view, therefore only see two columns in the place ahead) and a lifting table 223.Four columns 222 are located on the platform 221.And lifting table 223 is divided into two parts, and is located at respectively on four columns 222, and with platform 221 at a distance of a height.Four columns 222 only are embodiment who is convenient to explain, are not that in fact one or two or three columns also are fine in order to qualification the present invention, as long as portable plate 225 can be stablized in by operating process, do not get final product and do not shake.
Before measuring, earlier a workpiece for measurement 224 is placed on the platform 221.This workpiece for measurement 224 is preferably the plastic parts of a metal coating or the nonconductor element of a metal coating.Simultaneously, a plurality of probe 226～226e or prod are located at a plurality of precalculated positions that can substitute party's portable plate 225 one by one, and portable plate 225 is placed on the lifting table 223, again these probes 226～226e is connected in output/input unit 211.This portable plate 225 is according to the customized demand of workpiece for measurement 224, with the position of setting up these probes 226～226e or change corresponding portable plate 225, measures workpiece for measurement 224 miscellaneous by this.
When beginning to measure, drive lifting table 223 through a slide rail or a gear (figure does not show), make lifting table 223 according to first direction 2231 decline portable plates 225, let a plurality of tested points on these probes 226～226e contact measured workpiece 224.
Then; By power supply unit 217 electric current 218 (be generally and decide electric current) is provided; Make electric current 218 be sent to control device 21 via metering circuit 216 and output/input unit 211, with the flow direction by control module 212 Control current 218, and in the extremely short time (as several milliseconds); Let electric current 218 see through output/input unit 211 and be sent to two predetermined probes successively, for example: probe 226 and 226a, probe 226b and 226c, probe 226 and 226d or probe 226c and 226e ... Deng.
When transmitting electric current 218, be transmitted the cross-pressure 227 of two probes of electric current 218 synchronously with metering circuit 216 timesharing measurements, and then try to achieve a plurality of resistance values by control device 21.Simultaneously; Utilize display unit 213 and storage element 214 to show respectively or write down distance, electric current 218, these cross-pressures 227 and these resistance values that is transmitted electric current 218 parties two probes; The distribution plan that processing unit 215 also capable of using is analyzed the resistance value of these tested points is understood the uniformity coefficient of metal-plated rete on the workpiece for measurement 224 by this and is had or not and opens circuit.Because according to Ohm law, the thickness of resistance value and metal-plated rete is inversely proportional to, and be directly proportional with the distance of two probes that are transmitted electric current 218.
Be noted that these resistance values normally calculate according to formula " resistance (R)=voltage (V) ÷ electric current (I) ", but this formula can only be calculated about value.Because of electric current 218 when a probe is injected into workpiece for measurement 224 surperficial, it is to be the center of circle with the decanting point, and intersperses among the surface of the metal-plated rete of workpiece for measurement 224, flow out from another probe again, so and electric current 218 resistor of flowing through merely be discrepant.Even if but about value, for the uniformity coefficient of analyzing the metal-plated rete and open circuit but quite enough.
At last, after measuring completion, make lifting table 223 draw high portable plate 225 according to second direction 2232; Let these probes 226～226e leave workpiece for measurement 224; And return back to original position, again workpiece for measurement 224 is taken out, to place new workpiece for measurement on platform 221.
In sum, measurable multipoint resistance value measuring system of the present invention and method thereof have advantage:
A. utilize control device and jacking gear to replace avometer, reaching the purpose of automatic measurement resistance value, and save the expenditure of human cost.
B. through the lifting action of lifting table, make workpiece for measurement on platform, be easy to place or take out, and can measure the workpiece for measurement of different-thickness.
C. can be according to the customized demand of workpiece for measurement, with the position of setting up these probes or change corresponding portable plate, measure workpiece for measurement miscellaneous by this.
D. design a plurality of probes and timesharing measurement mechanism, can in the extremely short time (as several milliseconds), measure the resistance value of a plurality of tested points in a large number.
E. for the information such as distance, tested point, electric current, cross-pressure and resistance value of probe, can show, store or analyze, reduce possible error by this, and assist the user to make best judgement by display unit, storage element and processing unit.
Though the present invention illustrates as above with preferred embodiments, so it is not only to terminate in the foregoing description in order to limit the present invention's spirit with the invention entity.All those skilled in the art of the present technique are when understanding and utilize other element or mode to produce identical effect easily.The modification of in not breaking away from spirit of the present invention and category, being done all should be included in the claim.
Claims (9)
1. a measurable multipoint resistance value measuring system is characterized in that, said measuring system comprises:
One control device has an output/input unit to transmit an electric current; And
One jacking gear has a platform, at least one column and a lifting table, places a workpiece for measurement on the said platform; Said column is located on the said platform; Said lifting table is located on the said column, and is loaded with the portable plate that can substitute, and said portable plate has a plurality of precalculated positions; Each precalculated position is provided with two probes, and said these probes are connected in said output/input unit;
Wherein, When measuring; Through the said lifting table said portable plate that descends, make said these probes contact said workpiece for measurement, and said electric current is sent to two probes in each precalculated position successively; Be transmitted the cross-pressure of two probes of said electric current with the timesharing measurement, and then try to achieve the resistance value of a plurality of positions on the said workpiece for measurement.
2. measuring system as claimed in claim 1 is characterized in that, when measuring completion; Draw high said portable plate through said lifting table; Make said these probes leave said workpiece for measurement, so that said workpiece for measurement is taken out, and new workpiece for measurement is placed on the said platform.
3. measuring system as claimed in claim 1 is characterized in that, said control device is a computing machine, a control desk or a processor.
4. measuring system as claimed in claim 1; It is characterized in that; Said control device has a control module, a display unit, a storage element and a processing unit; Said control module is sent to two predetermined probes in order to control said electric current; Said display unit and said storage element are respectively in order to show or to write down the distance of said two probes, said electric current, said these cross-pressures and said these resistance values that said processing unit is in order to analyze a plurality of tested points of said these resistance values and said workpiece for measurement.
5. measuring system as claimed in claim 1 is characterized in that, said portable plate is set up the position of said these probes according to the customized demand of said workpiece for measurement.
6. the measuring method of a multipoint resistance value is characterized in that, said measuring method comprises the following step:
One measuring system is provided; It comprises a control device and a jacking gear, and said control device has an output/input unit, and said jacking gear has a platform, at least one column and a lifting table; Said column is located on the said platform, and said lifting table is located on the said column;
One workpiece for measurement is placed on the said platform;
Provide one have a plurality of precalculated positions the portable plate substituted, each precalculated position is provided with two probes, said portable plate is placed on the said lifting table, and said these probes are connected in said output/input unit;
Through the said lifting table said portable plate that descends, make said these probes contact said workpiece for measurement, measure preparing;
See through said output/input unit and transmit two probes in an electric current to each precalculated position successively, be transmitted the cross-pressure of two probes of said electric current with the timesharing measurement, and then try to achieve the resistance value of a plurality of positions on the said workpiece for measurement.
7. measuring method as claimed in claim 6 is characterized in that, said measuring method more comprises the following step:
When measuring completion, draw high said portable plate through said lifting table, make said these probes leave said workpiece for measurement;
Said workpiece for measurement is taken out, and new workpiece for measurement is placed on the said platform.
8. measuring method as claimed in claim 6; It is characterized in that; Said control device has a control module, a display unit, a storage element and a processing unit; Said control module is sent to two predetermined probes in order to control said electric current; Said display unit and said storage element are respectively in order to show or to write down the distance of said two probes, said electric current, said these cross-pressures and said these resistance values that said processing unit is in order to analyze a plurality of tested points of said these resistance values and said workpiece for measurement.
9. measuring method as claimed in claim 6 is characterized in that, said portable plate is set up the position of said these probes according to the customized demand of said workpiece for measurement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101841066A CN101750542B (en) | 2008-12-11 | 2008-12-11 | Measurable multipoint resistance value measuring system and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101841066A CN101750542B (en) | 2008-12-11 | 2008-12-11 | Measurable multipoint resistance value measuring system and method thereof |
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| Publication Number | Publication Date |
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| CN101750542A CN101750542A (en) | 2010-06-23 |
| CN101750542B true CN101750542B (en) | 2012-05-23 |
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| CN2008101841066A Expired - Fee Related CN101750542B (en) | 2008-12-11 | 2008-12-11 | Measurable multipoint resistance value measuring system and method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384990A (en) * | 2010-08-27 | 2012-03-21 | 向熙科技股份有限公司 | Packing mechanism capable of single-side rapidly adjusting probe height and method thereof, and resistance measurement equipment |
| JP2012237594A (en) * | 2011-05-10 | 2012-12-06 | Micronics Japan Co Ltd | Insulation measuring probe unit and insulation measuring apparatus |
| CN102520251A (en) * | 2011-12-23 | 2012-06-27 | 雅化集团绵阳实业有限公司 | Automatic resistance detection device |
| CN105353219A (en) * | 2015-11-25 | 2016-02-24 | 佛山市广工大数控装备技术发展有限公司 | Step resistor detection system for battery module |
| CN105527494B (en) * | 2016-01-14 | 2020-03-27 | 上海惠亚铝合金制品有限公司 | Movable resistance value measuring trolley |
| CN114295948B (en) * | 2020-10-07 | 2023-11-14 | 台湾爱司帝科技股份有限公司 | Electronic component measuring apparatus, electronic component measuring method, and manufacturing method of light emitting diode |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2718754B2 (en) * | 1989-04-17 | 1998-02-25 | 株式会社日立製作所 | Substrate inspection method and inspection device |
| JP3222412B2 (en) * | 1997-10-22 | 2001-10-29 | 株式会社東京カソード研究所 | Probe card inspection method |
| CN2539970Y (en) * | 2002-01-15 | 2003-03-12 | 禾咏丰科技股份有限公司 | Detector for testing electric resistance of passive element |
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2008
- 2008-12-11 CN CN2008101841066A patent/CN101750542B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2718754B2 (en) * | 1989-04-17 | 1998-02-25 | 株式会社日立製作所 | Substrate inspection method and inspection device |
| JP3222412B2 (en) * | 1997-10-22 | 2001-10-29 | 株式会社東京カソード研究所 | Probe card inspection method |
| CN2539970Y (en) * | 2002-01-15 | 2003-03-12 | 禾咏丰科技股份有限公司 | Detector for testing electric resistance of passive element |
| CN101034118A (en) * | 2006-03-08 | 2007-09-12 | 杨学昌 | Multipoint earthing electric resistance instantaneous monitoring device |
Non-Patent Citations (3)
| Title |
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| JP特开平4-340477A 1992.11.26 |
| JP特许第3222412B2 2001.10.29 |
| JP第2718754B2 1998.02.25 |
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