CN105643054B - A kind of robot arc welding process method for real-time monitoring and real-time monitoring system - Google Patents
A kind of robot arc welding process method for real-time monitoring and real-time monitoring system Download PDFInfo
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- CN105643054B CN105643054B CN201610035970.4A CN201610035970A CN105643054B CN 105643054 B CN105643054 B CN 105643054B CN 201610035970 A CN201610035970 A CN 201610035970A CN 105643054 B CN105643054 B CN 105643054B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/095—Monitoring or automatic control of welding parameters
- B23K9/0953—Monitoring or automatic control of welding parameters using computing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
- B23K9/1087—Arc welding using remote control
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- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Arc Welding Control (AREA)
Abstract
The invention discloses a kind of robot arc welding process method for real-time monitoring and real-time monitoring system.It the described method comprises the following steps：Using the current signal in active hall effect current sensor, divided voltage mutual inductor difference collecting robot people's arc welding process, voltage signal；Collected current signal and voltage signal are simultaneously respectively completed the amplification, filtering and impedance matching of current signal and voltage signal to be converted to corresponding weak electric signal；Real-time collecting electric current weak electric signal, voltage weak electric signal and respectively by respective DMA channel, are changed through A/D, and correspondence is transformed into current digital signal and voltage digital signal；Real-time statistics processing is carried out to two digital signals, real-time current is exported and voltage value, analysis result simultaneously generates report.The present invention can realize that arc welding process monitors in real time, control welding quality.The invention also discloses the robot arc welding process real-time monitoring system using the method.
Description
Technical field
A kind of real-time monitoring system the present invention relates to method for real-time monitoring and using the method for real-time monitoring, especially relates to
And a kind of robot arc welding process method for real-time monitoring and the robot using the robot arc welding process method for real-time monitoring
Arc welding process real-time monitoring system.
Background technology
Robot arc welding process has a wide range of applications in fields such as building, shipbuilding, vehicles, but due in welding process
There are numerous random factors such as welding deformation, fit-up gap, electric arc changes, to ensure that welding quality is necessary that exploitation is a kind of
Real-time monitoring system on-line monitoring welding process, enables operating personnel or robot to obtain the change of welding process condition in real time,
And welding parameter is adjusted in time to adapt to new welding surroundings.
The content of the invention
In order to solve above deficiency, the present invention proposes a kind of robot arc welding process method for real-time monitoring and uses the machine
The robot arc welding process real-time monitoring system of device people's arc welding process method for real-time monitoring, it can realize that arc welding process is supervised in real time
Survey, control welding quality.
The present invention solution be：A kind of robot arc welding process real-time monitoring system, it includes current signal collection
Equipment, voltage signal collecting device, signal condition unit, data collecting card, PC machine；The current signal collecting device, which uses, to be had
Current signal in the hall effect current sensor collecting robot people's arc welding process of source；The voltage signal collecting device, which uses, to be divided
Voltage signal in pressure type voltage transformer collecting robot people's arc welding process；The signal condition unit collected current sensor passes
The current signal and the voltage signal of voltage transformer transmission passed, and it is respectively completed the amplification of current signal and voltage signal, filter
Ripple and impedance matching are to be converted to corresponding weak electric signal；The data collecting card real-time collecting electric current weak electric signal, voltage are weak
Electric signal and respectively by respective DMA channel, is changed through A/D, and correspondence is transformed into current digital signal and voltage digital signal；
The PC machine carries out real-time statistics processing to current digital signal and voltage digital signal, exports real-time current and voltage value,
Analysis result simultaneously generates report；
Wherein, the robot arc welding process real-time monitoring system further includes wireless terminal device, wireless network adapter；
The wireless terminal device reads current digital signal and voltage digital signal；The wireless network adapter is received from wireless
The data message of terminal device, and pass to PC machine；The wireless terminal device is read by the pci interface of the data collecting card
Obtaining current digital signal and voltage digital signal, and use and be wirelessly sent to the wireless network adapter；The electricity
Signal collection equipment, the voltage signal collecting device is flowed to be electrically connected by cable and the signal condition unit；It is described
Signal condition unit passes through the current signal of cable collected current sensor passes and the voltage signal of voltage transformer transmission；Institute
Data collecting card is stated using data transfer mode real-time reception electric current weak electric signal, the voltage weak electric signal for directly accessing memory.
Further as such scheme is improved, and the data collecting card uses PCI-6013 family chips.
It is of the invention to be compared with existing welding technique, has the following advantages：1) by collecting electric current in arc welding process, voltage
Change, monitors key process parameter in arc welding process, it is ensured that welding quality in real time；2) present invention uses wireless data transmission, no
Need to connect up, reduce difficulty of construction, the cable or wire for reducing welding shop obtains quantity；3) present invention improves Welder artist
The working environment of member, realizes the digitlization and informationization of welding process, promotes the intelligence of welding jig and technique.
Brief description of the drawings
Fig. 1 is the method flow diagram of robot arc welding process method for real-time monitoring of the present invention.
Fig. 2 is the structure diagram of robot arc welding process real-time monitoring system of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Also referring to Fig. 1 and Fig. 2, wherein Fig. 1 is the flow chart of 8 arc welding process method for real-time monitoring of robot, and Fig. 2 is
Using the block diagram of the robot arc welding process real-time monitoring system of the 8 arc welding process method for real-time monitoring of robot.Robot 8
Arc welding process real-time monitoring system includes current signal collecting device 1, voltage signal collecting device 2, signal condition unit 3, number
According to capture card 4, wireless terminal device 5, wireless network adapter 6, PC machine 7.
Current signal collecting device 1 uses active hall effect current sensor, the electricity in 8 arc welding process of collecting robot people
Signal is flowed, can be connected by cable with signal condition unit 3.Voltage signal collecting device 2 uses divided voltage mutual inductor, receives
Collect the voltage signal in 8 arc welding process of robot, can be connected by cable with signal condition unit 3.
Signal condition unit 3 passes through cable collected current sensor and the letter of voltage transformer transmission using signal regulating panel
Number (i.e. the current signal of current sensor transmission and the voltage signal of voltage transformer transmission), and complete electric current and voltage signal
Amplification, filtering and impedance matching, electric current and voltage signal are converted into 4 acceptable weak electric signal of data collecting card.
Data collecting card 4 establishes communication by cable and signal regulating panel, using the transmission side data for directly accessing memory
Formula, the voltage and current information of real-time collecting is respectively by respective DMA (direct memory access) passage, through A/D
Conversion, is transformed into digital signal.Data collecting card 4 can use PCI-6013 family chips, complete the collection and conversion of data.
Wireless terminal device 5 reads electric current and voltage signal by the pci interface of data collecting card 4, and uses wirelessly
Mode is sent to wireless network adapter 6.Wireless network adapter 6 receives the data message from wireless terminal device 5, and passes
Pass PC machine 7.PC machine 7 carries out real-time statistics processing using data processing software to sampled signal, exports real-time current and voltage
Numerical value, analysis result simultaneously generate report.
8 arc welding process method for real-time monitoring of robot provided by the invention, belongs to welding technique informatization.Robot
8 arc welding process method for real-time monitoring comprise the following steps.
Step S1, using the current signal in active 8 arc welding process of hall effect current sensor collecting robot people.This step
Suddenly performed by current signal collecting device 1.
Step S2, using the voltage signal in 8 arc welding process of divided voltage mutual inductor collecting robot people.This step is by electricity
Pressure signal collection equipment 2 performs.
Step S3, the current signal of collected current sensor passes and the voltage signal of voltage transformer transmission, and respectively
Amplification, filtering and the impedance matching of current signal and voltage signal are completed to be converted to corresponding weak electric signal.This step is by believing
Number conditioning unit 3 performs.
Step S4, real-time collecting electric current weak electric signal, voltage weak electric signal and respectively by respective DMA channel, through A/D
Conversion, correspondence are transformed into current digital signal and voltage digital signal.This step is performed by data collecting card 4.
Step S5, current digital signal and voltage digital signal are read using wireless terminal device 5.
Step S6, the data message from wireless terminal device is received using wireless network adapter 6.
Step S7, carries out real-time statistics processing to current digital signal and voltage digital signal, exports real-time current and electricity
Numerical value is pressed, analysis result simultaneously generates report.This step is performed by PC machine 7.
In conclusion current signal collecting device 1 and voltage signal collecting device 2 are mainly used for collecting in welding process
Electric current and voltage signal；Signal condition unit 3 carries out amplitude limit, filtering and enhanced processing to electric current and voltage signal；Data acquisition
Electric current after processing, voltage analog signal are converted to digital signal by card 4, and wireless terminal device 5 receives electric current, the numeral of voltage
Signal is simultaneously sent to wireless network adapter 6；Received signal is passed to PC machine 7 by wireless network adapter 6；PC machine 7 passes through
Software realizes the processing and display of welding current, voltage signal.The present invention solves current arc welding process and is difficult to monitor in real time, production
Product welding quality can only check whether qualification after the completion of welding, the problems such as causing significant wastage.Can be long-range by the present invention
Welding process is controlled, improves the working environment of welding operating personnel.The present invention drastically reduce the area problems of welded quality, realize
The informationization of welding production.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (2)
- A kind of 1. robot arc welding process real-time monitoring system, it is characterised in that：It includes current signal collecting device, voltage letter Number collecting device, signal condition unit, data collecting card, PC machine；The current signal collecting device uses active Hall effect Current signal in current sensor collecting robot people's arc welding process；The voltage signal collecting device is mutual using divided voltage Voltage signal in sensor collecting robot people's arc welding process；The electric current letter of the signal condition unit collected current sensor passes Number and voltage transformer transmission voltage signal, and be respectively completed the amplification, filtering and impedance of current signal and voltage signal It is equipped with and is converted to corresponding weak electric signal；The data collecting card real-time collecting electric current weak electric signal, voltage weak electric signal and point Not by respective DMA channel, changed through A/D, correspondence is transformed into current digital signal and voltage digital signal；The PC machine pair Current digital signal and voltage digital signal carry out real-time statistics processing, export real-time current and voltage value, analysis result is simultaneously Generate report；Wherein, the robot arc welding process real-time monitoring system further includes wireless terminal device, wireless network adapter；It is described Wireless terminal device reads current digital signal and voltage digital signal；The wireless network adapter receives and comes from wireless terminal The data message of equipment, and pass to PC machine；The wireless terminal device reads electricity by the pci interface of the data collecting card Streaming digital signal and voltage digital signal, and use and be wirelessly sent to the wireless network adapter；The electric current letter Number collecting device, the voltage signal collecting device pass through cable and are electrically connected with the signal condition unit；The signal Conditioning unit passes through the current signal of cable collected current sensor passes and the voltage signal of voltage transformer transmission；The number According to capture card using data transfer mode real-time reception electric current weak electric signal, the voltage weak electric signal for directly accessing memory.
- 2. robot arc welding process real-time monitoring system according to claim 1, it is characterised in that：The data collecting card Using PCI-6013 family chips.
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| CN201610035970.4A CN105643054B (en) | 2016-01-19 | 2016-01-19 | A kind of robot arc welding process method for real-time monitoring and real-time monitoring system |
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| CN201610035970.4A CN105643054B (en) | 2016-01-19 | 2016-01-19 | A kind of robot arc welding process method for real-time monitoring and real-time monitoring system |
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| CN105643054B true CN105643054B (en) | 2018-04-13 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695072B (en) * | 2017-02-22 | 2018-03-13 | 重庆理工大学 | A kind of method based on welding arc acoustics sensing monitoring electric arc arc length |
| CN106881516B (en) * | 2017-02-22 | 2018-05-01 | 重庆理工大学 | A kind of method using arc voltage signal monitoring electric arc arc length |
| CN106808063B (en) * | 2017-02-22 | 2018-04-03 | 重庆理工大学 | A kind of method based on electric arc acoustic emission signal sensor monitoring electric arc arc length |
| CN111014895A (en) * | 2019-12-04 | 2020-04-17 | 郑州日产汽车有限公司 | Interconnection CO2Welding control system |
| US11498157B2 (en) * | 2020-01-31 | 2022-11-15 | GM Global Technology Operations LLC | System and method of enhanced automated welding of first and second workpieces |
| CN112846449A (en) * | 2021-04-09 | 2021-05-28 | 南京工程学院 | Direct current welding electrical parameter real-time monitoring system |
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| US9669484B2 (en) * | 2012-04-20 | 2017-06-06 | Illinois Tool Works Inc. | Systems and methods for detecting welding and cutting parameters |
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| CN101118228A (en) * | 2007-08-09 | 2008-02-06 | 中国航天科技集团公司长征机械厂 | Aluminium alloy pinpoint welding procedure quality monitoring instrument |
| CN202498292U (en) * | 2011-12-17 | 2012-10-24 | 湖南科技大学 | Double-arc submerged-arc welding arc electric signal measurement system |
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