CN108469546A - A kind of wire rod impedance detecting method and system - Google Patents
A kind of wire rod impedance detecting method and system Download PDFInfo
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- CN108469546A CN108469546A CN201810203928.8A CN201810203928A CN108469546A CN 108469546 A CN108469546 A CN 108469546A CN 201810203928 A CN201810203928 A CN 201810203928A CN 108469546 A CN108469546 A CN 108469546A
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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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Abstract
The invention discloses a kind of wire rod impedance detecting method and systems, including：The wire rod parameter of wire rod to be measured, the voltage at wire rod both ends to be measured and the voltage with the concatenated test resistance both ends of wire rod to be measured are obtained after receiving test instruction；The impedance of wire rod to be measured is calculated according to the voltage of the wire rod parameter of the wire rod to be measured of acquisition, the voltage at wire rod both ends to be measured and test resistance both ends；Calculated impedance is compared with modular connection impedance, if impedance generates the test result of wire rod qualification to be measured, otherwise generate the underproof test result of wire rod to be measured without departing from modular connection impedance.The application accurate can calculate the impedance of wire rod to be measured, the impedance of calculated wire rod to be measured is compared to professional standard impedance to judge whether wire rod to be measured is qualified, error range is smaller, accuracy is higher, and simplify production process, improve production efficiency, it is no longer necessary to which operating personnel have higher professional knowledge, are suitable for batch testing.
Description
Technical field
The present invention relates to modern project field of measuring technique, more particularly to a kind of wire rod impedance detecting method and system.
Background technology
Wire rod testing impedance being widely used in electronics manufacturing is general, such as connector producer, automobile electric wire harness
Production and PCB (Printed Circuit Board, printed circuit board) high-end applications etc. are required for carrying out testing impedance.It is existing
Wire rod testing impedance there are mainly two types of scheme, it is a kind of to be switched into row of channels by controlling light coupling relay, measure correspond to respectively
The voltage value at the wire rod impedance to be measured both ends in channel checks the voltage value whether in the range of debugging voltage, to which judgement waits for
Whether survey line material is qualified, and since the voltage measured is a undulating value, this kind of scheme can not obtain specific wire rod impedance value, accidentally
Poor range is larger, and accuracy is relatively low, and needs to use a large amount of light coupling relay elements, and occupied space is big, and hardware cost is high.In addition
One kind is semi-artificial test, and judgement formula measurement is carried out using multimeter, and operating personnel is needed to have certain professional knowledge, speed slow
And batch testing is not suitable for it.
Therefore, how to provide it is a kind of solve above-mentioned technical problem scheme be that those skilled in the art needs to solve at present
The problem of.
Invention content
The object of the present invention is to provide a kind of wire rod impedance detecting method and systems, accurate can calculate connecing for wire rod to be measured
The impedance of calculated wire rod to be measured is compared to professional standard impedance judge that wire rod to be measured is by head impedance
No qualification, error range is smaller, and accuracy is higher, and simplifies production process, improves production efficiency, it is no longer necessary to operator
Member has higher professional knowledge, is suitable for batch testing.
In order to solve the above technical problems, the present invention provides a kind of wire rod impedance detecting methods, including：
Receive test instruction after obtain the wire rod parameter of wire rod to be measured, the voltage at the wire rod both ends to be measured and with it is described
The voltage at the concatenated test resistance both ends of wire rod to be measured；
According to the wire rod parameter of the wire rod to be measured of acquisition, the voltage at the wire rod both ends to be measured and the test resistance
The voltage at both ends calculates the impedance of the wire rod to be measured；
The calculated impedance is compared with modular connection impedance, if the impedance is without departing from institute
Modular connection impedance is stated, then generates the test result of the wire rod qualification to be measured, it is underproof otherwise to generate the wire rod to be measured
Test result.
Preferably, the process of the wire rod parameter for obtaining wire rod to be measured is specially：
Prestore the parameter with the one-to-one wire rod of number of wire rod；
The number for scanning wire rod to be measured obtains the pre-stored wire rod to be measured according to the number of the wire rod to be measured
Wire rod parameter.
Preferably, the wire rod to be measured is specially multiple wire rods to be measured.
Preferably, the process of the voltage for obtaining the wire rod both ends to be measured is specially：
The voltage at the wire rod both ends to be measured is obtained by analog quantity position ruler.
Preferably, the process of the voltage for obtaining the wire rod both ends to be measured is specially：
Temperature by acquiring the wire rod both ends to be measured obtains the voltage at the wire rod both ends to be measured.
Preferably, the wire rod parameter of the wire rod to be measured according to acquisition, the voltage at the wire rod both ends to be measured and
The process that the voltage at the test resistance both ends calculates the impedance of the wire rod to be measured is specially：
According to the wire rod parameter of the wire rod to be measured of acquisition calculate the wire rod to be measured standard wire inferential impedance and
The transition wire rod inferential impedance of the wire rod to be measured；
It is calculated according to the voltage at the wire rod both ends to be measured of acquisition and the voltage at the test resistance both ends described to be measured
The measurement impedance of wire rod；
The measurement impedance of the wire rod to be measured is subtracted into the standard wire inferential impedance and transition wire rod theory resistance
The anti-impedance for obtaining the wire rod to be measured.
Preferably, before the reception test instruction, this method further includes：
It is detecting the wire rod to be measured after the power is turned on, is generating test prompts instruction.
Preferably, after the test result for generating the wire rod to be measured, this method further includes：
Preserve the test result of the wire rod to be measured；
Then after the reception test instruction, the test instruction that the basis receives obtains the wire rod ginseng of wire rod to be measured
The voltage at several, the described wire rod both ends to be measured and with before the voltage at the concatenated test resistance both ends of wire rod to be measured, this method
Further include：
Inquire whether the wire rod to be measured had been tested, if so, directly generating the test of the wire rod to be measured of preservation
As a result.
Preferably, after the test result for generating the wire rod to be measured, this method further includes：
Show the wire rod parameter of the wire rod to be measured, the impedance of the calculated wire rod to be measured and the life obtained
At the wire rod to be measured test result.
In order to solve the above technical problems, the present invention also provides a kind of wire rod impedance test systems, including：
Acquisition module, for obtaining the wire rod parameter of wire rod to be measured, the wire rod both ends to be measured after receiving test instruction
Voltage and voltage with the concatenated test resistance both ends of wire rod to be measured；
Computing module is used for the wire rod parameter of the wire rod to be measured according to acquisition, the voltage at the wire rod both ends to be measured
The impedance of the wire rod to be measured is calculated with the voltage at the test resistance both ends；
Processing module, for the calculated impedance to be compared with modular connection impedance, if described connect
Head impedance then generates the test result of the wire rod qualification to be measured without departing from the modular connection impedance, is otherwise waited for described in generation
The underproof test result of survey line material.
The present invention provides a kind of wire rod impedance detecting methods, including：Wire rod to be measured is obtained after receiving test instruction
Wire rod parameter, the voltage at wire rod both ends to be measured and the voltage with the concatenated test resistance both ends of wire rod to be measured；According to waiting for for acquisition
The voltage of the wire rod parameter of survey line material, the voltage at wire rod both ends to be measured and test resistance both ends calculates the connector resistance of wire rod to be measured
It is anti-；Calculated impedance is compared with modular connection impedance, if impedance without departing from modular connection impedance,
The test result for generating wire rod qualification to be measured, otherwise generates the underproof test result of wire rod to be measured.
As it can be seen that the wire rod impedance detecting method of the application realizes the stripping to wire connections impedance resistance value, accurate can count
The impedance of calculated wire rod to be measured is compared by the impedance for calculating wire rod to be measured with professional standard impedance
Judge whether wire rod to be measured is qualified, and error range is smaller, and accuracy is higher, and the degree of automation is higher, simplify production work
Sequence improves production efficiency, it is no longer necessary to which operating personnel have higher professional knowledge, are suitable for batch testing.
The present invention also provides a kind of wire rod impedance test systems, with above method advantageous effect having the same.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of process flow diagram flow chart of wire rod impedance detecting method provided by the invention；
Fig. 2 is a kind of structural schematic diagram of wire rod provided by the invention；
Fig. 3 is a kind of circuit diagram of wire rod impedance detecting method provided by the invention；
Fig. 4 is a kind of structural schematic diagram of wire rod impedance test system provided by the invention.
Specific implementation mode
Core of the invention is to provide a kind of wire rod impedance detecting method and system, accurate can calculate connecing for wire rod to be measured
The impedance of calculated wire rod to be measured is compared to professional standard impedance judge that wire rod to be measured is by head impedance
No qualification, error range is smaller, and accuracy is higher, and simplifies production process, improves production efficiency, it is no longer necessary to operator
Member has higher professional knowledge, is suitable for batch testing.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is please referred to, Fig. 1 is a kind of process flow diagram flow chart of wire rod impedance detecting method provided by the invention, this method packet
It includes：
Step S11：Receive test instruction after obtain the wire rod parameter of wire rod to be measured, the voltage at wire rod both ends to be measured and with
The voltage at the concatenated test resistance both ends of wire rod to be measured；
It should be noted that the wire rod impedance detecting method in the application can be applied to individually to a wire rod to be measured into
Row test can also be applied to the multiple wire rods to be measured of synchronism detection, determine with specific reference to actual conditions, be waited for when synchronism detection is multiple
When survey line material, it is clear that obtain the test result of multiple wire rods to be measured while the application can be quick and precisely, testing efficiency is higher.
In addition, test instruction can be received in the application by the startup testing button of man-machine interface so that entire wire rod testing impedance
Process is easily controllable, reduces operation difficulty.
Step S12：According to the wire rod parameter of the wire rod to be measured of acquisition, the voltage at wire rod both ends to be measured and test resistance both ends
Voltage calculate the impedance of wire rod to be measured；
Specifically, the wire rod parameter of wire rod includes standard wire length, standard wire diameter, transition length of wires, transition
Gauge or diameter of wire and resistivity please refer to Fig. 2, and Fig. 2 is a kind of structural schematic diagram of wire rod provided by the invention, and wire rod left end is opened
Begin to the part of sample point to be standard wire, sample point starts to the part of connector to be transition wire rod, it is seen then that standard wire length
Not equivalent to transition length of wires, standard wire diameter are also not equal to transition gauge or diameter of wire.Survey is being received in the application
Examination instruction after, obtain the wire rod parameter of wire rod to be measured, the voltage at wire rod both ends to be measured and with the concatenated test resistance of wire rod to be measured
Then the voltage at both ends calculates the impedance of wire rod to be measured according to the above-mentioned data precision of acquisition.
Step S13：Calculated impedance is compared with modular connection impedance, if impedance is without departing from mark
Quasi- impedance then generates the test result of wire rod qualification to be measured, otherwise generates the underproof test result of wire rod to be measured.
Specifically, the application treats the acquisition of survey line material impedance resistance value due to realizing, and is sentenced by impedance
Whether fixed wire rod to be measured is qualified.Calculated impedance is compared with modular connection impedance, if impedance does not surpass
Go out standard impedance, then judges that wire rod to be measured is qualified, generate the test result of wire rod qualification to be measured, otherwise judge wire rod to be measured
It is unqualified, generate the underproof test result of wire rod to be measured.Here modular connection impedance refers to according to wire specification to be measured, knot
The standard that supplier provides is closed, the definite value determined, specifically, art of electrical connectors condition makes unlike material same
Specification inserting contact is, it is specified that different contact resistance performance assessment criteria, such as the small circular quick separating electric connector of resistance to environment
Generic specification GJB101-86 regulations, the inserting contact contact resistance of a diameter of 1mm, copper alloy≤5m Ω, ferroalloy≤15m Ω.
The present invention provides a kind of wire rod impedance detecting methods, including：Wire rod to be measured is obtained after receiving test instruction
Wire rod parameter, the voltage at wire rod both ends to be measured and the voltage with the concatenated test resistance both ends of wire rod to be measured；According to waiting for for acquisition
The voltage of the wire rod parameter of survey line material, the voltage at wire rod both ends to be measured and test resistance both ends calculates the connector resistance of wire rod to be measured
It is anti-；Calculated impedance is compared with modular connection impedance, if impedance without departing from modular connection impedance,
The test result for generating wire rod qualification to be measured, otherwise generates the underproof test result of wire rod to be measured.
As it can be seen that the wire rod impedance detecting method of the application realizes the stripping to wire connections impedance resistance value, accurate can count
The impedance of calculated wire rod to be measured is compared by the impedance for calculating wire rod to be measured with professional standard impedance
Judge whether wire rod to be measured is qualified, and error range is smaller, and accuracy is higher, and the degree of automation is higher, simplify production work
Sequence improves production efficiency, it is no longer necessary to which operating personnel have higher professional knowledge, are suitable for batch testing.
On the basis of the above embodiments：
As a kind of preferred embodiment, the process for obtaining the wire rod parameter of wire rod to be measured is specially：
Prestore the parameter with the one-to-one wire rod of number of wire rod；
The number for scanning wire rod to be measured, the wire rod that pre-stored wire rod to be measured is obtained according to the number of wire rod to be measured are joined
Number.
Specifically, it is contemplated that wire rod is corresponded with its wire rod parameter, and the application presets unique for wire rod
Number, then the number of wire rod and its wire rod parameter one-to-one correspondence, when obtaining the wire rod parameter of wire rod to be measured, can utilize and sweep automatically
Code identification technology scans the number of wire rod to be measured, according to the number of the wire rod to be measured scanned in pre-stored and wire rod volume
The wire rod parameter that the wire rod to be measured is determined in number one-to-one wire rod parameter, so as to it is quick, convenient, accurately obtain and wait for
Every wire rod parameter of survey line material, simplifies production process.
In addition, the pre-stored parameter with the one-to-one wire rod of number of wire rod can remain unchanged, it can also root
It is adjusted in real time according to actual demand.When receiving the setting password consistent with preset password, the application just can basis
Adjust instruction changes the corresponding concrete numerical value of pre-stored wire rod parameter to be modified, to ensure that the wire rod parameter of storage
Information Security, improve test accuracy rate.
As a kind of preferred embodiment, wire rod to be measured is specially multiple wire rods to be measured.
Specifically, the wire rod to be measured in the application is specifically as follows multiple wire rods to be measured namely the application can same pacing
Multiple wire rods to be measured are tried, then obtain the wire rod parameter of each wire rod to be measured, each wire rod to be measured respectively after receiving test instruction
Then the voltage at both ends and voltage with each concatenated test resistance both ends of wire rod to be measured are distinguished according to the above-mentioned data of acquisition
The impedance of each wire rod to be measured is calculated, while determining the impedance test results of each wire rod to be measured, testing efficiency is higher,
It can be widely applied to batch testing.It should also be noted that, when obtaining the voltage at each wire rod both ends to be measured, electricity can be utilized
The extended attribute of acquiring unit is pressed to realize that more TCH test channel synchronous acquisition voltages, hardware cost are relatively low.
As a kind of preferred embodiment, the process for obtaining the voltage at wire rod both ends to be measured is specially：
The voltage at wire rod both ends to be measured is obtained by analog quantity position ruler.
Specifically, when obtaining the voltage at wire rod both ends to be measured, it can be basic platform to be molded Electrical Control, pass through analog quantity
Position ruler obtains the voltage at wire rod both ends to be measured, and specifically, the reading of crawl analog quantity position ruler, reading is wire rod to be measured
The voltage at both ends is realized simple and more accurate.
As a kind of preferred embodiment, the process for obtaining the voltage at wire rod both ends to be measured is specially：
Temperature by acquiring wire rod both ends to be measured obtains the voltage at wire rod both ends to be measured.
Specifically, the impedance of wire rod to be measured is typically certain, and both end voltage is higher, is got over by the electric current of wire rod to be measured
Greatly, the temperature at wire rod both ends to be measured is bigger, is based on this, the temperature at wire rod both ends to be measured can be rule of thumb determined with computer sim- ulation
With the correspondence of the voltage at wire rod both ends to be measured, then when obtaining the voltage at wire rod both ends to be measured, pass through acquisition wire rod two to be measured
The temperature at end can converse the voltage at wire rod both ends to be measured according to collected temperature, and the degree of automation is higher, and error compared with
It is small.
As a kind of preferred embodiment, according to the wire rod parameter of the wire rod to be measured of acquisition, the voltage at wire rod both ends to be measured
The process that the impedance of wire rod to be measured is calculated with the voltage at test resistance both ends is specially：
The standard wire inferential impedance of wire rod to be measured and wire rod to be measured are calculated according to the wire rod parameter of the wire rod to be measured of acquisition
Transition wire rod inferential impedance；
The measurement resistance of wire rod to be measured is calculated according to the voltage at wire rod both ends to be measured of acquisition and the voltage at test resistance both ends
It is anti-；
The measurement impedance of wire rod to be measured is subtracted into standard wire inferential impedance and transition wire rod inferential impedance obtains and waits for survey line
The impedance of material.
Specifically, Fig. 3 is please referred to, Fig. 3 is a kind of circuit diagram of wire rod impedance detecting method provided by the invention, is surveyed
The resistance value of resistance is tried it is known that wire rod to be measured is connected with test resistance, standard wire, transition wire rod and connector refer to normal line
The resistance value of material, transition wire rod and connector does not imply that the physical location in wire rod to be measured.In addition, can also connect in circuit
Ammeter uses the calculated test electric current of the reading calibration of ammeter.
The standard wire inferential impedance that wire rod to be measured is calculated according to the wire rod parameter of the wire rod to be measured of acquisition is specially：Ra=
4L1*P/D1 2, wherein RaFor the standard wire inferential impedance of wire rod to be measured, L1For standard wire length, D1It is straight for standard wire
Diameter, P are resistivity.
The transition wire rod inferential impedance that wire rod to be measured is calculated according to the wire rod parameter of the wire rod to be measured of acquisition is specially：Rb=
4L2*P/D2 2, wherein RbFor the transition wire rod inferential impedance of wire rod to be measured, L2For transition length of wires, D2It is straight for transition wire rod
Diameter, P are resistivity.
The measurement resistance of wire rod to be measured is calculated according to the voltage at wire rod both ends to be measured of acquisition and the voltage at test resistance both ends
It is anti-to be specially：I=U1/R1, R2=U2/ I, wherein R1For the resistance value of test resistance, U1For R1The voltage value at both ends, I are test electricity
Stream, U2For wire rod R to be measured2The voltage value at both ends, R2For the measurement impedance of wire rod to be measured.
The measurement impedance of wire rod to be measured is subtracted into standard wire inferential impedance and transition wire rod inferential impedance obtains and waits for survey line
The impedance of material is specially：Rc=R2-Ra-Rb, wherein RcFor the impedance of wire rod to be measured.
As a kind of preferred embodiment, before receiving test instruction, this method further includes：
It is detecting wire rod to be measured after the power is turned on, is generating test prompts instruction.
Specifically, in order to improve usage experience sense and Security of test, the application is detecting wire rod to be measured after the power is turned on, raw
It is instructed at test prompts, hint instructions here can be " wire rod to be measured is ready, please start test ", or man-machine
Startup testing button on interface is the state that can be clicked by grey transitions, and certainly, hint instructions here can also be it
His content, the present invention are not particularly limited herein.
As a kind of preferred embodiment, after the test result for generating wire rod to be measured, this method further includes：
Preserve the test result of wire rod to be measured；
After then receiving test instruction, the wire rod parameter of wire rod to be measured is obtained according to the test instruction received, waits for survey line
The voltage at material both ends and with before the voltage at the concatenated test resistance both ends of wire rod to be measured, this method further includes：
Inquire whether wire rod to be measured had been tested, if so, directly generating the test result of the wire rod to be measured of preservation.
Specifically, it is contemplated that before wire rod to be measured may mistake after tested, then when carrying out testing impedance to the wire rod to be measured,
In order to shorten the testing time, the test result of last time test can be directly generated with skip test step, be based on this, wire rod impedance
In test process, after the test result for generating wire rod to be measured, needs to save the test result of generation, then receive test
After instruction, testing procedure is no longer carried out immediately, but first inquires whether wire rod to be measured had been tested, if so, directly generating
The test result of the wire rod to be measured preserved, greatly shortens the testing time, improves the competitiveness of product in market.
As a kind of preferred embodiment, after the test result for generating wire rod to be measured, this method further includes：
Show the to be measured of the wire rod parameter of wire rod to be measured obtained, the impedance of calculated wire rod to be measured and generation
The test result of wire rod.
Specifically, the test result of wire rod to be measured is checked in order to facilitate tester, and wire rod to be measured is generated in the application
After test result, the wire rod parameter of the wire rod to be measured of acquisition, the impedance of calculated wire rod to be measured and life are also shown
At wire rod to be measured test result, it is, of course, also possible to show other data according to actual needs, the present invention is not done especially herein
Restriction, to ensure that tester can with real time inspection test data, be also convenient for test result carry out analyzing processing.
Fig. 4 is please referred to, Fig. 4 is a kind of structural schematic diagram of wire rod impedance test system provided by the invention, the system packet
It includes：
Acquisition module 1, for obtaining the wire rod parameter of wire rod to be measured, the electricity at wire rod both ends to be measured after receiving test instruction
Pressure and the voltage with the concatenated test resistance both ends of wire rod to be measured；
Computing module 2, for according to the wire rod parameter of wire rod to be measured of acquisition, the voltage at wire rod both ends to be measured and test electricity
The voltage at resistance both ends calculates the impedance of wire rod to be measured；
Processing module 3, for calculated impedance to be compared with modular connection impedance, if impedance is not
Beyond modular connection impedance, then the test result of wire rod qualification to be measured is generated, otherwise generates the underproof test knot of wire rod to be measured
Fruit.
Above method embodiment is please referred to for the introduction of system provided by the invention, details are not described herein by the present invention.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For system disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is said referring to method part
It is bright.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, depends on the specific application and design constraint of technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization should not be recognized
It is beyond the scope of this invention.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of wire rod impedance detecting method, which is characterized in that including：
Receive test instruction after obtain the wire rod parameter of wire rod to be measured, the voltage at the wire rod both ends to be measured and with it is described to be measured
The voltage at the concatenated test resistance both ends of wire rod；
According to the wire rod parameter of the wire rod to be measured of acquisition, the voltage at the wire rod both ends to be measured and the test resistance both ends
Voltage calculate the impedance of the wire rod to be measured；
The calculated impedance is compared with modular connection impedance, if the impedance is without departing from the mark
Quasi- impedance then generates the test result of the wire rod qualification to be measured, otherwise generates the underproof test of wire rod to be measured
As a result.
2. the method as described in claim 1, which is characterized in that the process of the wire rod parameter for obtaining wire rod to be measured is specific
For：
Prestore the parameter with the one-to-one wire rod of number of wire rod；
The number for scanning wire rod to be measured obtains the wire rod of the pre-stored wire rod to be measured according to the number of the wire rod to be measured
Parameter.
3. method as claimed in claim 2, which is characterized in that the wire rod to be measured is specially multiple wire rods to be measured.
4. method as claimed in claim 3, which is characterized in that the process tool of the voltage for obtaining the wire rod both ends to be measured
Body is：
The voltage at the wire rod both ends to be measured is obtained by analog quantity position ruler.
5. method as claimed in claim 3, which is characterized in that the process tool of the voltage for obtaining the wire rod both ends to be measured
Body is：
Temperature by acquiring the wire rod both ends to be measured obtains the voltage at the wire rod both ends to be measured.
6. the method as described in claim 1, which is characterized in that the wire rod parameter of the wire rod to be measured according to acquisition,
The voltage at the wire rod both ends to be measured and the voltage at the test resistance both ends calculate the mistake of the impedance of the wire rod to be measured
Journey is specially：
The standard wire inferential impedance of the wire rod to be measured and described is calculated according to the wire rod parameter of the wire rod to be measured of acquisition
The transition wire rod inferential impedance of wire rod to be measured；
The wire rod to be measured is calculated according to the voltage at the wire rod both ends to be measured of acquisition and the voltage at the test resistance both ends
Measurement impedance；
The measurement impedance of the wire rod to be measured is subtracted into the standard wire inferential impedance and the transition wire rod inferential impedance obtains
Go out the impedance of the wire rod to be measured.
7. method as claimed in any one of claims 1 to 6, which is characterized in that before the reception test instruction, this method is also
Including：
It is detecting the wire rod to be measured after the power is turned on, is generating test prompts instruction.
8. the method for claim 7, which is characterized in that, should after the test result for generating the wire rod to be measured
Method further includes：
Preserve the test result of the wire rod to be measured；
Then after the reception test instruction, the test instruction that the basis receives obtains the wire rod parameter of wire rod to be measured, institute
It states the voltage at wire rod both ends to be measured and with before the voltage at the concatenated test resistance both ends of wire rod to be measured, this method is also wrapped
It includes：
Inquire whether the wire rod to be measured had been tested, if so, directly generating the test result of the wire rod to be measured of preservation.
9. method as claimed in claim 8, which is characterized in that, should after the test result for generating the wire rod to be measured
Method further includes：
Show the wire rod parameter of the wire rod to be measured obtained, the impedance of the calculated wire rod to be measured and generation
The test result of the wire rod to be measured.
10. a kind of wire rod impedance test system, which is characterized in that including：
Acquisition module, for obtaining the wire rod parameter of wire rod to be measured, the electricity at the wire rod both ends to be measured after receiving test instruction
Pressure and the voltage with the concatenated test resistance both ends of wire rod to be measured；
Computing module, for according to the wire rod parameter of the wire rod to be measured of acquisition, the voltage at the wire rod both ends to be measured and institute
The voltage for stating test resistance both ends calculates the impedance of the wire rod to be measured；
Processing module, for the calculated impedance to be compared with modular connection impedance, if the connector hinders
It is anti-then to generate the test result of the wire rod qualification to be measured without departing from the modular connection impedance, otherwise survey line is waited for described in generation
The underproof test result of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810203928.8A CN108469546B (en) | 2018-03-13 | 2018-03-13 | Wire impedance testing method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810203928.8A CN108469546B (en) | 2018-03-13 | 2018-03-13 | Wire impedance testing method and system |
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| CN108469546A true CN108469546A (en) | 2018-08-31 |
| CN108469546B CN108469546B (en) | 2020-08-04 |
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| CN201810203928.8A Active CN108469546B (en) | 2018-03-13 | 2018-03-13 | Wire impedance testing method and system |
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