CN106771613A - A kind of cable crimps resistance nondestructive measurement system - Google Patents
A kind of cable crimps resistance nondestructive measurement system Download PDFInfo
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- CN106771613A CN106771613A CN201611039175.9A CN201611039175A CN106771613A CN 106771613 A CN106771613 A CN 106771613A CN 201611039175 A CN201611039175 A CN 201611039175A CN 106771613 A CN106771613 A CN 106771613A
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- resistance
- electric signal
- resistance measurement
- measurement
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Present invention aim at a kind of cable crimping resistance nondestructive measurement system is provided, realize line footpath in 0.14m2~3m2In the range of cable crimping resistance is lossless, all standing measurement, including electric control system, low-resistance measurement system, master system, damage-free measuring apparatus；Master system is internally embedded intelligent man-machine interaction interface, can review measurement data real-time storage for late problems, production process technology optimization provides facility.
Description
Technical field
The present invention relates to a kind of resistance measuring system, particularly a kind of cable crimping resistance nondestructive measurement system.
Background technology
The crimping connection of cable is one, and connection reliability is good, production efficiency is high, connected mode applied widely, in electricity
Played an important role in the connection procedure of gas product.Crimping resistance is one of major parameter of cable crimping electric property,
Inappropriate crimping resistance is the main cause that temperature rise is produced in electric connector work, and whether crimping resistance exceeded directly affects
The stability and reliability of electronic device works.
The scope of cable crimping resistance is general in 0.8~2.0 milliohm, and current most of use ohmmeter measuring instruments are manual
Measurement, while needing the insulating sheath that will crimp the cable for finishing to peel off carries out destructive measurement, this metering system is by milli
Influence and the limitation of milliohmmeter measuring instrument function that table measuring instrument in Europe is popped one's head in oxidizable, exist measurement data it is inaccurate,
Poor repeatability, the shortcoming that cannot be stored；Meanwhile, destructive measurement can only sample to be carried out, it is impossible to realize that cable crimps the survey of resistance
Amount all standing, the work to electrical equipment leaves hidden danger.
Accordingly, it would be desirable to a kind of cable crimping resistance nondestructive measurement system.
The content of the invention
Present invention aim at a kind of cable crimping resistance nondestructive measurement system is provided, realize line footpath in 0.14m2~3m2Model
Cable crimping resistance in enclosing is lossless, all standing measurement, and measurement data is authentic and valid, result can be stored, can review, and solves conventional
Milliohmmeter measuring instrument exist measurement data is inaccurate, repeatable difference, the shortcoming that needs destructive sampling measurement.A kind of cable
Crimping resistance nondestructive measurement system can realize that cable crimps all standing of resistance measurement, and measurement result can be stored and consulted at any time,
The problem being easy in process of manufacture is reviewed and process optimization.
Specific design scheme is as follows：
A kind of cable crimps resistance nondestructive measurement system, including：Electric control system, low-resistance measurement system, host computer
System, damage-free measuring apparatus；
Electric control system includes：Embeded processor, AC/DC Switching Power Supplies device, Temperature Humidity Sensor, radiator fan,
Communication interface one and communication interface two.AC/DC Switching Power Supply device output pins pass through telecommunications with embeded processor power pins
Number connection, be that embeded processor and its load circuit are powered.Embeded processor signal input and output pin respectively with temperature
The output pin of humidity sensor and the input pin of radiator fan are connected by electric signal, receive Temperature Humidity Sensor collection
Parameter information is simultaneously stored, while controlling the running status of radiator fan.The communication pin of embeded processor is by communication interface
One is connected with low-resistance measurement system by electric signal, receives the measurement data of low-resistance measurement system and in embeded processor
Internal arithmetic, filtering and storage.The communication pin of embeded processor passes through telecommunications by communication interface two and master system
Number connection, receives the measuring control signal of master system and exports low-resistance measurement data and humiture information gives host computer system
System display and storage.
Low-resistance measurement system includes：DC/DC transformers and low-resistance measurement circuit.Low-resistance measurement system passes through telecommunications
Number it is connected with damage-free measuring apparatus.DC/DC transformers input pin is connected with AC/DC Switching Power Supply device output pins by electric signal
Connect, DC/DC transformers output pin is connected with low-resistance measurement circuit by electric signal, be that electronic device is supplied in measuring circuit
Electricity.
Master system includes：Integral type industrial computer, intelligence equipped with display, memory, communication interface and power interface
Human-computer interaction interface can be changed.The communication interface two of electric control system is connected with the communication interface of master system by electric signal
Connect, the humiture parameter that the crimping resistance value and sensor that will be measured are collected shows and in memory internal memory over the display
Storage.The AC/DC Switching Power Supplies device of electric control system is connected with the power interface of master system by electric signal, is host computer
System power supply.Intelligent man-machine interaction interface is embedded in the memory inside of industrial computer, for instructing user to complete crimping resistance
Measure and store measurement result.
Damage-free measuring apparatus include：Measurement interface and lossless probe.The lossless measured interface of probe and low-resistance measurement
System is connected by electric signal.Damage-free measuring apparatus can realize the flexibility of cable be installed, lossless fixation.
Lossless probe in damage-free measuring apparatus is through measuring the low-resistance measurement circuit in interface and low-resistance measurement system
Connected by electric signal, low-resistance measurement system crimps resistance and measures by damage-free measuring apparatus to cable.Electrical control
Communication interface one is connected with low-resistance measurement circuit in low-resistance measurement system by electric signal in system, in electric control system
Communication interface two is connected with communication interface in master system by electric signal, and low-resistance measurement system is surveyed through damage-free measuring apparatus
Amount cable crimping resistance value simultaneously inputs to electric control system, by inputing to host computer after electric control system filtering, computing
System shows and stores.
The advantage of the invention is that：The measuring system can realize that line footpath is 0.14m2~3m2In the range of cable crimping resistance
Non-Destructive Testing, accuracy of detection is high, measurement data is accurate, authentic and valid, cable detection all standing, increase electronic device works can
By property and stability；Master system is internally embedded intelligent man-machine interaction interface, can be by measurement data real-time storage, after being
Phase problem is reviewed, production process technology optimization provides facility.
Brief description of the drawings
Fig. 1 is that a kind of cable crimps resistance nondestructive measurement system circuit connection diagram；
Fig. 2 is that a kind of cable crimps resistance nondestructive measurement system workflow diagram.
1 --- electric control system, 2 --- low-resistance measurement system, 3 --- master system, 4 --- nondestructive measurement dress
--- embeded processor, 6 --- AC/DC Switching Power Supply devices, 7 --- Temperature Humidity Sensor, 8 --- radiator fan is put, 5,
9 --- communication interface one, 10 --- communication interface two, 11 --- DC/DC transformers, 12 --- low-resistance measurement circuit,
13 --- integral type industrial computer, 14 --- display, 15 --- memory, 16 --- communication interface, 17 --- power interface,
18 --- intelligent man-machine interaction interface, 19 --- measurement interfaces, 20 --- lossless probe
Specific embodiment
A kind of cable crimps resistance nondestructive measurement system, including：It is electric control system 1, low-resistance measurement system 2, upper
Machine system 3, damage-free measuring apparatus 4；
Damage-free measuring apparatus 4 are connected with low-resistance measurement system 2 by electric signal, and low-resistance measurement system 2 is by lossless
Measurement apparatus 4 are measured to cable crimping resistance.Electric control system 1 is logical with low-resistance measurement system 2 and master system 3
Electric signal connection is crossed, low-resistance measurement system 2 is through the measurement cable crimping resistance value of damage-free measuring apparatus 4 and inputs to electrical control
System 1, master system 3 is inputed to after electric control system 1 is to measurement data filtering, fitting and is shown and is stored.
Electric control system 1 includes embeded processor 5, AC/DC Switching Power Supplies device 6, Temperature Humidity Sensor 7, radiation air
Fan 8, communication interface 1 and communication interface 2 10.The output pin of AC/DC Switching Power Supplies device 6 draws with the power supply of embeded processor 5
Pin is connected by electric signal, and after electricity on instrument, the output pin of AC/DC Switching Power Supplies device 6 produces isolated DC voltage, is embedding
Enter formula processor 5 and load device Temperature Humidity Sensor 7 and radiator fan 8 is powered.The signal input of embeded processor 5 and defeated
Go out pin to connect by electric signal with the signal output pin of Temperature Humidity Sensor 7 and the signal input pin of radiator fan 8 respectively
Connect, embeded processor 5 receives the ambient temperature and humidity parameter information of the collection of Temperature Humidity Sensor 7 and stores, while controlling radiating
The running status of fan 8.The communication pin of embeded processor 5 is by low electricity in communication interface 1 and low-resistance measurement system 2
The communication pin for hindering measuring circuit 12 is connected by electric signal, and the input pin of low-resistance measurement circuit 12 is filled by nondestructive measurement
The measurement interface 19 put in 4 is connected with lossless probe 20 by electric signal.Low-resistance measurement circuit 12 receives damage-free measuring apparatus 4
The crimping resistance value of the cable for collecting, then inputs to embeded processor 5 by communication interface 1, and measurement data is embedding
Enter the internal arithmetic of formula processor 5, filtering and store.The signal communication pin of embeded processor 5 passes through with communication interface 2 10
Electric signal is connected, and communication interface 2 10 is connected with the communication interface 16 of master system 3 by electric signal, intelligent man-machine interaction
Interface 18 shows that cable crimps resistance value and ambient temperature and humidity number by reading the data in communication interface 16, on display 14
According to, and display data is carried out into data storage in memory 15.User's later stage can be by intelligent man-machine interaction interface
18 measurement data checked in memory 15, review for late problems and provide facility with process optimization.
Low-resistance measurement system 2 includes DC/DC transformers 11 and low-resistance measurement circuit 12.DC/DC transformers 11 are input into
End is connected with the output end of AC/DC Switching Power Supplies device 6 by electric signal, and the output end of DC/DC transformers 11 is electric with low-resistance measurement
Road 12 is connected by electric signal.Powered using DC/DC transformers 11 so that the power work of low-resistance measurement circuit 12 it is independent,
The state of isolation, it is to avoid influenceed by interference signals such as external electromagnetic, ripples.
Master system 3 includes the integral type work equipped with display 14, memory 15, communication interface 16 and power interface 17
Control machine 13, intelligent man-machine interaction interface 18.The communication interface 2 10 of electric control system 1 connects with the communication of master system 3
Mouth 16 is connected by electric signal, and the cable crimping resistance value and ambient temperature and humidity parameter of the storage inside of embeded processor 5 are existed
Shown on display 14, and in the memory storage of memory 15.The output pin of the AC/DC Switching Power Supplies device 6 of electric control system 1 with
The power interface 17 of master system 3 is connected by electric signal, is that master system 3 is powered.Intelligent man-machine interaction interface 18
It is embedded in inside the memory 15 of integral type industrial computer 13, function is indicated with intellectualized operation interface and feedback, for instructing
User completes the crimping resistance measurement of cable and stores measurement result.
Damage-free measuring apparatus 4 include measurement interface 19 and lossless probe 20.It is lossless probe 20 measured interfaces 19 with it is low
Low-resistance measurement circuit 12 in resistance measuring system 2 is connected by electric signal.Damage-free measuring apparatus 4 are real by lossless probe 20
The flexibility of existing cable is installed, lossless fixation.
Specifically, being required according to in-site measurement, S100 steps are first carried out, instrument start logs in intelligent man-machine interaction
Interface, System self-test.Intelligent man-machine interaction interface has self-inspection prompting after logging in, and system can shield user in process of self-test
Any operation, self-inspection carries out next step operation after passing through.Subsequently into S200 steps, clicked at intelligent man-machine interaction interface
Measurement calibration button, calibration is measured according to interface prompt, is deducted electric signal connection between measurement interface and external connector and is drawn
The internal resistance of line, measurement calibration can carry out cable crimping resistance measurement after finishing.Enter S300 steps afterwards, it is man-machine in intellectuality
Interactive interface selects cable information, and the corresponding trade mark of cable, manufacturer, the wire conductance of each measurement can be shown on interface
The information such as rate, internal diameter, length, Press Plier numbering, measurement can deposit these information with crimping resistance value and be stored with after finishing
In reservoir, for late problems are reviewed and process optimization provides facility.Crimping resistance measurement button is clicked on afterwards, prepares to survey
Amount.Subsequently into S400 steps, the single cable that will have been crimped loads damage-free measuring apparatus, the lossless enterprising luggage card of probe,
It is fixed.Low-resistance measurement system can measure the whole resistance value of wire for having crimped, and intelligent man-machine interaction interface is according to leading
The electrical conductivity of line, internal diameter, length information, by drawing wire internal resistance value after computing, then subtract wire with the resistance value of measurement
Internal resistance value, you can obtain the crimping resistance value of cable.The whole resistance value of wire that setting is arrived through low-resistance measurement systematic survey
It is R, the electrical conductivity of wire is ρ, internal diameter S, length L, then the crimping resistance value of the wire can be expressed as：
RCrimping=R- ρ × (L/S)
The crimping resistance value of intelligent man-machine interaction interface display is read, value to be shown is without preservation button is clicked on after fluctuation
Measurement data and cable information can be preserved.Single cable measurement is finished, and repeats S400 steps, can proceed other cables
Measurement.After being finished with cable measurement more, into S500 steps, the memory of master system can preserve all cables of measurement
Information and crimping resistance value.Intelligent man-machine interaction interface sets different login modes, and different users has different numbers
According to administration authority, for the rationalization management of measurement process provides facility.
Claims (1)
1. a kind of cable crimps resistance nondestructive measurement system, it is characterised in that including：Electric control system, low-resistance measurement system
System, master system, damage-free measuring apparatus；
Electric control system includes：Embeded processor, AC/DC Switching Power Supplies device, Temperature Humidity Sensor, radiator fan, communication
Interface one and communication interface two；AC/DC Switching Power Supply device output pins are connected with embeded processor power pins by electric signal
Connect, be that embeded processor and its load circuit are powered；Embeded processor signal input and output pin respectively with humiture
The output pin of sensor and the input pin of radiator fan are connected by electric signal, receive the parameter of Temperature Humidity Sensor collection
Information is simultaneously stored, while controlling the running status of radiator fan；The communication pin of embeded processor by communication interface one with
Low-resistance measurement system is connected by electric signal, receives the measurement data of low-resistance measurement system and inside embeded processor
Computing, filtering and storage；The communication pin of embeded processor is connected by communication interface two and master system by electric signal
Connect, receive the measuring control signal of master system and to export low-resistance measurement data and humiture information aobvious to master system
Show and store；
Low-resistance measurement system includes：DC/DC transformers and low-resistance measurement circuit；Low-resistance measurement system by electric signal with
Damage-free measuring apparatus are connected；DC/DC transformers input pin is connected with AC/DC Switching Power Supply device output pins by electric signal,
DC/DC transformers output pin is connected with low-resistance measurement circuit by electric signal, is electronics in measuring circuit；
Master system includes：Integral type industrial computer, intellectuality equipped with display, memory, communication interface and power interface
Human-computer interaction interface；The communication interface two of electric control system is connected with the communication interface of master system by electric signal, will
The humiture parameter that the crimping resistance value and sensor for measuring are collected shows and in memory memory storage over the display；Electricity
The AC/DC Switching Power Supplies device of gas control system is connected with the power interface of master system by electric signal, is master system
Power supply；Intelligent man-machine interaction interface is embedded in the memory inside of industrial computer, for instructing user to complete crimping resistance measurement
And store measurement result；
Damage-free measuring apparatus include：Measurement interface and lossless probe；The lossless measured interface of probe and low-resistance measurement system
Connected by electric signal；
Lossless probe in damage-free measuring apparatus passes through through measuring interface with the low-resistance measurement circuit in low-resistance measurement system
Electric signal is connected, and communication interface one passes through electric signal with low-resistance measurement circuit in low-resistance measurement system in electric control system
Connection, communication interface two is connected with communication interface in master system by electric signal in electric control system, low-resistance measurement
System is through damage-free measuring apparatus measurement cable crimping resistance value and inputs to electric control system, is filtered by electric control system
Master system is inputed to after ripple, computing to show and store.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039175.9A CN106771613B (en) | 2016-11-21 | 2016-11-21 | A kind of cable crimping resistance nondestructive measurement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039175.9A CN106771613B (en) | 2016-11-21 | 2016-11-21 | A kind of cable crimping resistance nondestructive measurement system |
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| CN106771613A true CN106771613A (en) | 2017-05-31 |
| CN106771613B CN106771613B (en) | 2019-02-22 |
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| CN201611039175.9A Active CN106771613B (en) | 2016-11-21 | 2016-11-21 | A kind of cable crimping resistance nondestructive measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098729A (en) * | 2020-09-16 | 2020-12-18 | 国网湖南省电力有限公司 | High-precision crimping impedance detection method based on low-voltage electric energy meter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098729A (en) * | 2020-09-16 | 2020-12-18 | 国网湖南省电力有限公司 | High-precision crimping impedance detection method based on low-voltage electric energy meter |
| CN112098729B (en) * | 2020-09-16 | 2022-03-11 | 国网湖南省电力有限公司 | Crimping impedance detection method based on low-voltage electric energy meter |
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