CN105855743A - On-line monitoring system and method for weld pool dynamic process - Google Patents
On-line monitoring system and method for weld pool dynamic process Download PDFInfo
- Publication number
- CN105855743A CN105855743A CN201610288460.8A CN201610288460A CN105855743A CN 105855743 A CN105855743 A CN 105855743A CN 201610288460 A CN201610288460 A CN 201610288460A CN 105855743 A CN105855743 A CN 105855743A
- Authority
- CN
- China
- Prior art keywords
- welding
- subsystem
- line monitoring
- data
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
- B23K31/125—Weld quality monitoring
Abstract
The invention discloses an on-line monitoring system and method for a weld pool dynamic process. The on-line monitoring system for the weld pool dynamic process comprises an integrated control center, a sensing detection subsystem, a motion control subsystem, an expert database, a welding process control subsystem and a data transmission interface. The integrated control center is used for receiving data information, sending motion control instructions, welding process control instructions and data and reading instructions. The sensing detection subsystem is used for acquiring weld pool image information, process information, acoustical signals and temperature. The motion control subsystem is used for accomplishing weld seam tracking, welding gun height adjustment and speed control. The expert database is used for storing welding process control parameters, motion control parameters and sensing detection information. The welding process control subsystem is used for achieving control on welding current, arc voltage and speed. The data transmission interface is used for achieving data communication. The on-line monitoring method adopts the monitoring system to carry out on-line monitoring. The on-line monitoring system and the on-line monitoring method for the weld pool dynamic process have the advantages of being high in reliability, highly integrated in function and the like.
Description
Technical field
The invention belongs to engineering machinery large-sized structural parts automatic welding monitoring technical field, more specifically,
Relate to a kind of Weld pool dynamic process on-line monitoring system and method.
Background technology
Currently, make in the welding carrying out big-and-middle-sized, ultra-large type and mega-construction project machinery large-sized structural parts
During industry, owing to engineering machinery large-sized structural parts size is big, tonnage is big, welding region weld seam length,
The various informative impact waiting many factors of weld seam, it is achieved the difficulty that in welding process, welding quality controls is relatively
Greatly, but, welding quality will directly influence the total quality of product.
Especially, engineering machinery large-sized structural parts automatic welding production line is carrying out Product jointing operation
Before, it will usually carry out the debugging of welding condition, trail run work for this product, can not keep away
Need with exempting to expend the time of Product jointing operation, artificial input and material, will significantly constrain
Production line carries out multiple types, the switching efficiency of be pilot weld job.Its main cause is a lack of
Welding quality on-line monitoring that engineering machinery large-sized structural parts automated production process is supporting and appearance of weld
Control equipment and correlation technique.Therefore, be badly in need of research design one welding quality on-line monitoring system and
Method is to be monitored with shaping engineering machinery large-sized structural parts automated production process and to control.
Summary of the invention
For disadvantages described above or the Improvement requirement of prior art, the invention provides a kind of welding pool and move
State process on-line monitoring system and method, wherein mutual by integrating control center and subsystems
Coordinate, it is achieved that the on-line monitoring of Weld pool dynamic process, welding parameter are optimized and revised, weld seam from
Dynamic with, the function such as the shaping of weld seam controls, welding relevant information is shared, and engineering machine can be integrated into
Tool large-sized structural parts automatic welding production line is on-the-spot, solves the automatic metaplasia of engineering machinery large-sized structural parts
During product, welding quality such as is difficult to control at the difficult problem, reduces Product jointing operation time, manually throws
Enter and the loss of the aspect such as material, improve production line and carry out multiple types, be pilot weld job
Switching efficiency.
For achieving the above object, according to one aspect of the present invention, it is proposed that a kind of welding pool is dynamic
Process on-line monitoring system, this system includes integrating control center, sensor the examination subsystem, motion control
Subsystem, expert database, welding procedure control subsystem and data transmission interface, wherein:
Described integrating control center is used for receiving the data message that described sensor the examination subsystem collects,
Send motion control instruction extremely described motion control subsystem, send welding procedure control instruction to the most described
Welding procedure controls subsystem, and described expert database is written and read operation, and through described data
Coffret sends data and reads control instruction；
Described sensor the examination subsystem is used for gathering weld pool image information, welding procedure information, weldering
Termination process acoustical signal and the Temperature Distribution of welding exemplar；
Described motion control subsystem has been used for the height adjustment of the weld joint tracking of welding process, welding gun
And the control of speed of welding；
Described expert database controls parameter, welding motion control for the welding procedure preserving welding process
Parameter processed and sensing detection information；
Described welding procedure control subsystem for realize to welding process welding current, arc voltage,
The control of welding wire feeding speed；
Described data transmission interface is used for realizing described integrating control center and welding production line Surveillance center
Data communication.
As it is further preferred that described sensor the examination subsystem includes CCD industrial camera, electric arc electricity
Pressure sensor, Hall current sensor, sound pressure sensor and thermal resistance, wherein, described CCD industry
Camera is used for shooting weld seam path, welding arc height and welding pool direct picture；Described electric arc electricity
Pressure sensor, Hall current sensor are respectively used to the welding arc voltage in Real-time Collection welding process
And welding current；Described sound pressure sensor is for gathering the sound pressure signal in welding process；Described thermoelectricity
Resistance is arranged on multiple positions of welding sample surface, is used for analyzing welding exemplar and makees in different welding procedures
Temperature Distribution change under with.
As it is further preferred that described motion control subsystem receives the finger at described integrating control center
Order, and utilizes three-dimensional regulation assembly, it is achieved the weld joint tracking of welding process, welding gun height adjustment with
And the control of speed of welding, wherein, motion control subsystem obtains according to CCD industrial camera measurement
Welding gun and the deviation distance of weld seam, control the adjustment of welding-torch horizontal face displacement, it is achieved the weldering of welding process
Seam is followed the tracks of.
As it is further preferred that described welding procedure controls subsystem uses gas metal-arc welding
Welding procedure, and use cold metal transfer technology as thermal source presentation mode, carry out welding current, electricity
Arc voltage, wire feed rate adjust control with the digitized of droplet transfer process.
As it is further preferred that described data transmission interface uses wireless network, data/address bus or LAN
Carry out instruction transmission for integrating control center with welding production line Surveillance center, data communication provides data
Passage.
It is another aspect of this invention to provide that provide a kind of Weld pool dynamic process on-line monitoring method,
It uses described Weld pool dynamic process on-line monitoring system to be monitored, and this monitoring system includes work
Skill evaluation and process data share two functions, and described monitoring method comprises the steps:
1) Weld pool dynamic process on-line monitoring system is started；
2) selecting systemic-function, if carrying out technology assessment, then entering step 3), if carrying out technique number
According to sharing, then enter step 9)；
3) for the welding procedure demand of welding exemplar, select Type of Welding and weld thickness of slab；
4) welding condition, the welding motion that preserve during expert database is read at integrating control center are controlled
Parameter processed, according to described welding condition, welding motor control parameter respectively to welding technology controlling and process
Subsystem, motion control subsystem are configured, and start to weld the welding operation of exemplar；
5) sensor the examination subsystem is controlled by integrating control center, it is achieved to current welding process
On-line monitoring, and online monitoring data is preserved to expert database；
6) sensing data that sensor the examination subsystem is collected by integrating control center carry out feature extraction,
System modelling and prediction and welding quality evaluation: if current welding quality existing defects, then enter
Step 7)；If not existing defects, then enter step 8)；
7) integrating control center utilizes the system model set up, and designs controller, it is achieved to Welder
Skill parameter, the quick adjustment of welding motor control parameter, be then back to step 5)；
8) current welding condition, welding motor control parameter are preserved to expert by integrating control center
Data base, it is achieved the renewal of expert database information, is then back to step 2)；
9) integrating control center utilizes data transmission interface to read the instruction of welding production line Surveillance center；
10) integrating control center carries out data analysis to instruction: if welding production line Surveillance center selects
Carry out technique guidance, then enter step 11)；If welding production line Surveillance center selects to carry out welding
The display of journey on-line monitoring sensing data, then enter step 12)；
11) integrating control center is by according to the technological requirement needed for welding production line Surveillance center, will be by
The welding condition that expert database reads, sends to welding production line monitoring through data transmission interface
Center, and return step 2), until on-line monitoring terminates；
12) integrating control center is online by read under the current process parameter that preserved of expert database
Monitoring sensing data, sends to welding production line Surveillance center through data transmission interface, and returns step 2),
Until on-line monitoring terminates.
In general, by the contemplated above technical scheme of the present invention compared with prior art, mainly
Possess following technological merit:
1. the present invention includes integrating control center, sensor the examination subsystem, motor control by setting
The welding pool that system, expert database, welding procedure control subsystem and data transmission interface is dynamic
Process on-line monitoring system, can realize the on-line monitoring of Weld pool dynamic process and modeling, weld ginseng
Number is optimized and revised, the shaping from motion tracking and guiding, weld seam of weld seam controls, have reliability high,
The advantages such as function is highly integrated.
2. the Weld pool dynamic process on-line monitoring system of the present invention can be integrated into the large-scale knot of engineering machinery
Component automatic welding production line is on-the-spot, coordinates welding production line Surveillance center to use, solves engineering machine
The difficult problems such as welding quality is difficult to control to during tool large-sized structural parts automated production, reduce Product jointing
Time of operation, artificial put into and the loss of the aspects such as material, improve production line carry out multiple types,
The switching efficiency of be pilot weld job.
3. the sensor the examination subsystem of the present invention can effectively realize weld seam path, welding arc height and weldering
Connect the shooting of Top-Side Pool Image, and can realize welding arc voltage in welding process, welding current,
Sound pressure signal, the welding exemplar Temperature Distribution isoparametric Real-time Collection of change, concrete collecting efficiency height,
Acquisition precision is high, gather the advantages such as data are the most comprehensive.
4. the motion control subsystem of the present invention may utilize three-dimensional regulation assembly and realizes the weld seam of welding process
Tracking, the height adjustment of welding gun and the control of speed of welding, measure especially by CCD industrial camera
The welding gun obtained and the deviation distance of weld seam, control the adjustment of welding-torch horizontal face displacement, it is achieved welded
The weld joint tracking of journey, have regulation quick and precisely, tracking accuracy advantages of higher.
5. Weld pool dynamic process on-line monitoring method is also studied by the present invention, to welding pool
Integrated the giving of dynamic process on-line monitoring system and engineering machinery large-sized structural parts automatic welding production line
Go out guidance, technology assessment and process data can have been realized by the method for the present invention and function, the tool such as share
There are the advantages such as technique strong, the dates back of directiveness.
Accompanying drawing explanation
Fig. 1 is the block diagram of embodiment of the present invention Weld pool dynamic process on-line monitoring system；
Fig. 2 is the flow chart of embodiment of the present invention Weld pool dynamic process on-line monitoring method；
Fig. 3 is that embodiment of the present invention sensing data processes and the flow chart of system modelling；
Fig. 4 is the structural representation of embodiment of the present invention engineering machinery large-sized structural parts automatic welding platform
Figure；
Fig. 5 is embodiment of the present invention engineering machinery large-sized structural parts automatic welding platform welding power supply ginseng
Number gathers connection diagram.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And embodiment, the present invention is further elaborated.Should be appreciated that described herein specifically
Embodiment only in order to explain the present invention, is not intended to limit the present invention.Additionally, it is disclosed below
Just may be used as long as technical characteristic involved in each embodiment of the present invention does not constitutes conflict each other
To be mutually combined.
As it is shown in figure 1, a kind of Weld pool dynamic process on-line monitoring system disclosed by the invention, its
Mainly include integrating control center, sensor the examination subsystem, motion control subsystem, expert database,
Welding procedure controls subsystem and data transmission interface.Wherein, integrating control center is used for receiving sensing
The detection data message that collects of subsystem, sends motion control instruction to motion control subsystem,
Send welding procedure control instruction and control subsystem to welding procedure, expert database is written and read behaviour
Make, and send data through data transmission interface and read control instruction；Sensor the examination subsystem is used for
Gather crater image information, welding procedure information (mainly including weldingvoltage, electric current etc.), welding
Process acoustical signal, the Temperature Distribution etc. of welding exemplar；Motion control subsystem has been used for welding
The weld joint tracking of journey, the height adjustment of welding gun and the control of speed of welding；Expert database is used for protecting
The welding procedure depositing welding process controls parameter, welding motor control parameter, sensing detection information etc.；
Welding procedure controls subsystem for realizing welding process welding current, arc voltage, welding wire feeding
The control of speed；Data transmission interface is mainly used in integrating control center and welding production line Surveillance center
Data communication.
Respectively subsystems will be described in detail and describe below.
Integrating control center, it is as the nucleus module of Weld pool dynamic process on-line monitoring system,
On the one hand, receive sensor the examination subsystem and collect data message, need sensing data is carried out letter
Number process, feature extraction, system modelling and prediction, fault diagnosis and welding quality evaluation, specifically
See Fig. 3；On the other hand, by the analysis result of welding process on-line monitoring process, adjust motion control
Subsystem, welding procedure control the output of subsystem, thus realize welding quality and shape closed loop control；
Additionally, integrating control center also needs to be analyzed the instruction of production line Surveillance center, and according to finger
Make analysis result, send welding condition information to production line Surveillance center and on-line monitoring process is adopted
The initial data that collection obtains.
Sensor the examination subsystem, it is by utilizing CCD industrial camera, arc voltage sensor, Hall
The sensing modes such as current sensor, sound pressure sensor, thermal resistance, it is achieved weldquality in welding process
On-line monitoring.Wherein, the CCD industrial camera used, on the one hand shooting weld seam path, for reality
Weld joint tracking in existing welding process lays the foundation, and on the other hand shooting welding arc height, welding are melted
Pond direct picture；The Real-time Collection welding respectively of used arc voltage sensor, Hall current sensor
During welding arc voltage, welding current；The position phase of the sound pressure sensor used and welding gun
To fixing, it is used for gathering sound pressure signal in welding process；The thermal resistance used is arranged on welding exemplar
Multiple positions on surface, become for analyzing welding exemplar Temperature Distribution under different welding procedure effects
Change.
Motion control subsystem, it, for receiving the instruction at integrating control center, utilizes three-dimensional regulation group
Part, it is achieved the weld joint tracking of welding process, the height adjustment of welding gun and the control of speed of welding.Its
In, motion control subsystem according to obtaining the deviation distance of welding gun and weld seam with CCD industrial camera measurement,
Control the adjustment of welding-torch horizontal face displacement, it is achieved the weld joint tracking of welding process；Motion control subsystem
By controlling the height of welding gun, it is achieved the adjustment of welding arc height in welding process；Motor control
System is adjusted by Butt welding gun translational speed, for the shadow of research speed of welding with welding forming effect
Ring and provide possibility.
Expert database, it needs as the data center of Weld pool dynamic process on-line monitoring system
For the process requirements of different product its required welding method is carried out system division, i.e. for
Welding procedure under different Type of Welding, under different welding exemplar thickness of slab controls parameter, welding motion control
The data such as parameter processed preserve.Additionally, for ease of welding process subsequent analysis, inquire into welding procedure
The impact of the welding quality forming effects such as parameter, welding kinematic parameter, expert database can preserve weldering
Sensing detection initial data during termination process on-line monitoring.
Welding procedure controls subsystem, and it uses gas metal-arc welding welding procedure, meets engineering
The technological requirement of machinery large-sized structural parts automatic welding production line.Wherein, cold metal transfer skill is used
Art, as main thermal source presentation mode, carries out welding current, arc voltage, wire feed rate and molten drop
The digitized of transient process adjusts and controls, thus provides possibility for realizing welding quality shaping control.
Data transmission interface, it uses the modes such as wireless network, data/address bus, LAN, for integrating control
Center and welding production line Surveillance center carry out instruction transmission, data communication provides data channel.
As in figure 2 it is shown, a kind of Weld pool dynamic process on-line monitoring method that the present invention provides, its
It is online that the Weld pool dynamic process on-line monitoring system using the present invention carries out Weld pool dynamic process
Monitoring and appearance of weld control, and it mainly comprises the steps that
1) Weld pool dynamic process on-line monitoring system electrifying startup；
2) Weld pool dynamic process on-line monitoring system carries out function selecting, if system carries out technique
Evaluate, enter step 3), share if system carries out process data, enter step 9)；
3) for the welding procedure demand of operation product, selection Type of Welding (such as docking or corner connection),
Welding thickness of slab；
4) welding condition, the welding motion that preserve during expert database is read at integrating control center are controlled
Parameter processed, is configured welding process control sub-system, motion control subsystem, carries out operation and produces
The welding operation of product test exemplar；
5) sensor the examination subsystem is controlled by integrating control center, it is achieved to current welding process
On-line monitoring, and online monitoring data is preserved to expert database；
6) sensing data that sensor the examination subsystem is collected by integrating control center carry out feature extraction,
System modelling and prediction and welding quality evaluation, if current welding quality existing defects, i.e. weld
Seam quality critical index is unsatisfactory for actual process requirement, then enter step 7), if current welding quality
Not existing defects, then enter step 8)；
7) integrating control center utilizes the system model set up, and designs controller, it is achieved to Welder
The quick adjustment of skill parameter, returns step 5)；
8) current welding condition, welding kinematic parameter are preserved to expert data by integrating control center
Storehouse, it is achieved the renewal of expert database information, returns step 2), until dynamically on-line monitoring terminates；
9) integrating control center utilizes data transmission interface, reads the instruction of welding production line Surveillance center；
10) integrating control center carries out data analysis to instruction, if production line Surveillance center need into
Row technique instructs, then enter step 11), exist if production line Surveillance center needs to carry out welding process
The display of line monitoring sensing data, then enter step 12)；
11) integrating control center is by according to the technological requirement needed for production line Surveillance center, will be by expert
The welding condition that data base reads, sends to production line Surveillance center through data transmission interface, and
Return step 2), until dynamically on-line monitoring terminates；
12) integrating control center, by read under the current process parameter that preserved of expert database
Line monitoring sensing detecting data, sends to production line Surveillance center through data transmission interface, and returns step
Rapid 2), until dynamic on-line monitoring terminates.
As it is shown on figure 3, the present invention uses Weld pool dynamic process on-line monitoring system to carry out sensing number
According to processing and system modelling, it mainly comprises the steps that
1) integrating control center receives sensor the examination subsystem and collects data message；
2) sensing data such as the integrating control center voltage to collecting, electric current, sound pressure signal is carried out
Fast fourier transform, according to the spectrum distribution of useful signal, carries out, every straight, filtering, reducing original
Effect of noise in signal；
3) integrating control center carries out time-frequency domain statistical analysis respectively to pretreated sensing data,
To statistics parameter indexs such as meansigma methods, standard variance, power spectral density, degree of skewness, kurtosis and little
Ripple bag coefficient, it is achieved the feature extraction of sensing data；
4) whether integrating control center sets up welding process system model, without setting up system model,
Enter step 5), if the system model of having built up, then enter step 8)；
5) integrating control center, utilizes artificial neural network, support vector machine, Markov model etc.
Method, is modeled welding process system, wherein, and time and frequency domain characteristics index and postwelding forming dimension
Parameter (fusion penetration, molten high, molten wide etc.) is as the input of model and output；
6) integrating control center utilizes the characteristic index of part test data to carry out system model training；
7) integrating control center utilizes the characteristic index of another part test data to carry out system model test,
If system model output result meets requirement, then enter step 8), if be unsatisfactory for, then return step
Rapid 5)；
8) integrating control center utilizes the system model set up, the time-frequency to current test sensing data
Characteristic of field index analysis, it is achieved the fault diagnosis to welding process；
9) integrating control center is according to fault diagnosis result, carries out welding quality evaluation, i.e. fault type
Judgement, fault location and weldquality key index calculate.
As shown in Figure 4, it is the structure of a concrete engineering machinery large-sized structural parts automatic welding platform
Schematic diagram, as it is shown in figure 5, be a concrete engineering machinery large-sized structural parts automatic welding platform weldering
Connect power parameter and gather connection diagram, as a example by it, illustrate that Weld pool dynamic process of the present invention is online
The concrete application of monitoring system.
This jig includes weld joint tracking ccd sensor 1, Electric arc monitoring ccd sensor 7, molten bath
Monitoring ccd sensor 6, X-axis moves module 8, and Y-axis moves module 2, and Z axis moves module 3, weldering
Rifle 4, sound transducer 5, thermocouple sensor 9 etc..
Wherein, weld joint tracking ccd sensor 1, Electric arc monitoring ccd sensor 7 and molten bath monitoring CCD
6 three ccd sensors of sensor are as the CCD industrial camera of monitoring system, it is achieved weld seam path,
Welding arc height and the shooting of welding pool direct picture；X-axis moves module 8, Y-axis moves module
2 and Z axis move module 3 as monitoring system three-dimensional regulation assembly, it is achieved the weld seam of welding process with
Track, the height adjustment of welding gun and the control of speed of welding；Sound transducer 5 is as monitoring system
Sound pressure sensor, it is achieved welding dynamic process sound pressure signal monitoring；Thermocouple sensor 9 conduct
The thermal resistance of monitoring system is arranged on multiple positions of welding sample surface, is used for analyzing welding exemplar and exists
Temperature Distribution change under different welding procedure effects.
After system start-up, Z axis moves the height of the predetermined altitude regulation welding gun 4 that module 3 is arranged according to system
Degree, subsequently, Y-axis moves module 2 and moves controlling welding gun 4 according to the speed of welding set along Y direction
Dynamic, in this course, on the one hand, weld joint tracking ccd sensor 1 will measure welding gun 4 and weld seam
Between X-direction on deviation, system will move module 8 according to this bias adjustment X-axis, it is achieved weldering
Termination process from motion tracking, on the other hand, sound transducer 5, molten bath monitoring ccd sensor 6, electricity
Arc monitoring ccd sensor 7, thermocouple sensor 9 are by the welding sound pressure signal of dynamic process, molten bath
The information such as surface image, electric arc height, weld seam temperature distribution carry out on-line monitoring.
The connection diagram of Fig. 5 includes: the gas shielded arc welding source of welding current 10, Hall current sensor,
Arc voltage sensor, sensor the examination subsystem, welding gun 4 etc..
Wherein, the output of the gas shielded arc welding source of welding current 10 is connected to welding gun 4；Arc voltage sensor
Sensor interface be connected to the positive-negative output end of the gas shielded arc welding source of welding current 10, be used for measuring gas
The output voltage of the protection weldering source of welding current 10 is poor, i.e. arc voltage；The gas shielded arc welding source of welding current 10
The output loop sensor interface by Hall current sensor, thus realize gas shielded arc welding welding electricity
The measurement of source 10 output current value.
Engineering machinery large-sized structural parts automatic welding platform so achieves weld pool dynamic process and supervises online
Survey, and control to lay a good foundation for appearance of weld.
As it will be easily appreciated by one skilled in the art that and the foregoing is only presently preferred embodiments of the present invention,
Not in order to limit the present invention, all made within the spirit and principles in the present invention any amendment, etc.
With replacement and improvement etc., should be included within the scope of the present invention.
Claims (6)
1. a Weld pool dynamic process on-line monitoring system, it is characterised in that this system includes collection
Become control centre, sensor the examination subsystem, motion control subsystem, expert database, welding procedure
Control subsystem and data transmission interface, wherein:
Described integrating control center is used for receiving the data message that described sensor the examination subsystem collects,
Send motion control instruction extremely described motion control subsystem, send welding procedure control instruction to the most described
Welding procedure controls subsystem, and described expert database is written and read operation, and through described data
Coffret sends data and reads control instruction；
Described sensor the examination subsystem is used for gathering weld pool image information, welding procedure information, weldering
Termination process acoustical signal and the Temperature Distribution of welding exemplar；
Described motion control subsystem has been used for the height adjustment of the weld joint tracking of welding process, welding gun
And the control of speed of welding；
Described expert database controls parameter, welding motion control for the welding procedure preserving welding process
Parameter processed and sensing detection information；
Described welding procedure control subsystem for realize to welding process welding current, arc voltage,
The control of welding wire feeding speed；
Described data transmission interface is used for realizing described integrating control center and welding production line Surveillance center
Data communication.
2. Weld pool dynamic process on-line monitoring system as claimed in claim 1, it is characterised in that
Described sensor the examination subsystem includes that CCD industrial camera, arc voltage sensor, Hall current sense
Device, sound pressure sensor and thermal resistance, wherein, described CCD industrial camera be used for shooting weld seam path,
Welding arc height and welding pool direct picture；Described arc voltage sensor, Hall current sense
Device is respectively used to the welding arc voltage in Real-time Collection welding process and welding current；Described acoustic pressure passes
Sensor is for gathering the sound pressure signal in welding process；Described thermal resistance is arranged on welding sample surface
Multiple positions, for analyzing the Temperature Distribution change under different welding procedure effects of the welding exemplar.
3. Weld pool dynamic process on-line monitoring system as claimed in claim 2, it is characterised in that
Described motion control subsystem receives the instruction at described integrating control center, and utilizes three-dimensional regulation assembly,
Realize the weld joint tracking of welding process, the height adjustment of welding gun and the control of speed of welding, wherein,
The welding gun that motion control subsystem obtains according to CCD industrial camera measurement and the deviation distance of weld seam, control
The adjustment of welding-torch horizontal face displacement processed, it is achieved the weld joint tracking of welding process.
4. Weld pool dynamic process on-line monitoring system as claimed in claim 3, it is characterised in that
Described welding procedure controls subsystem and uses gas metal-arc welding welding procedure, and uses cold metal
Transitional technology, as thermal source presentation mode, carries out welding current, arc voltage, wire feed rate and molten drop
The digitized of transient process adjusts and controls.
5. Weld pool dynamic process on-line monitoring system as claimed in claim 4, it is characterised in that
Described data transmission interface uses wireless network, data/address bus or LAN to be integrating control center and weld
Production line Surveillance center carries out instruction transmission, data communication provides data channel.
6. a Weld pool dynamic process on-line monitoring method, it uses as claim 1-5 is arbitrary
Weld pool dynamic process on-line monitoring system described in Xiang is monitored, and this monitoring system includes technique
Evaluating and process data shares two functions, described monitoring method comprises the steps:
1) Weld pool dynamic process on-line monitoring system is started；
2) selecting systemic-function, if carrying out technology assessment, then entering step 3), if carrying out technique number
According to sharing, then enter step 9)；
3) for the welding procedure demand of welding exemplar, select Type of Welding and weld thickness of slab；
4) welding condition, the welding motion that preserve during expert database is read at integrating control center are controlled
Parameter processed, according to described welding condition, welding motor control parameter respectively to welding technology controlling and process
Subsystem, motion control subsystem are configured, and start to weld the welding operation of exemplar；
5) sensor the examination subsystem is controlled by integrating control center, it is achieved to current welding process
On-line monitoring, and online monitoring data is preserved to expert database；
6) sensing data that sensor the examination subsystem is collected by integrating control center carry out feature extraction,
System modelling and prediction and welding quality evaluation: if current welding quality existing defects, then enter
Step 7)；If not existing defects, then enter step 8)；
7) integrating control center utilizes the system model set up, and designs controller, it is achieved to Welder
Skill parameter, the quick adjustment of welding motor control parameter, be then back to step 5)；
8) current welding condition, welding motor control parameter are preserved to expert by integrating control center
Data base, it is achieved the renewal of expert database information, is then back to step 2)；
9) integrating control center utilizes data transmission interface to read the instruction of welding production line Surveillance center；
10) integrating control center carries out data analysis to instruction: if welding production line Surveillance center selects
Carry out technique guidance, then enter step 11)；If welding production line Surveillance center selects to carry out welding
The display of journey on-line monitoring sensing data, then enter step 12)；
11) integrating control center is by according to the technological requirement needed for welding production line Surveillance center, will be by
The welding condition that expert database reads, sends to welding production line monitoring through data transmission interface
Center, and return step 2), until on-line monitoring terminates；
12) integrating control center is online by read under the current process parameter that preserved of expert database
Monitoring sensing data, sends to welding production line Surveillance center through data transmission interface, and returns step 2),
Until on-line monitoring terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288460.8A CN105855743B (en) | 2016-05-04 | 2016-05-04 | A kind of Weld pool dynamic process on-line monitoring system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288460.8A CN105855743B (en) | 2016-05-04 | 2016-05-04 | A kind of Weld pool dynamic process on-line monitoring system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105855743A true CN105855743A (en) | 2016-08-17 |
| CN105855743B CN105855743B (en) | 2018-06-12 |
Family
ID=56630136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610288460.8A Active CN105855743B (en) | 2016-05-04 | 2016-05-04 | A kind of Weld pool dynamic process on-line monitoring system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105855743B (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624418A (en) * | 2016-10-20 | 2017-05-10 | 北京工业大学 | Method for monitoring flow of weld pool through characteristic spectral line |
| CN106735897A (en) * | 2016-12-28 | 2017-05-31 | 西南交通大学 | The device and method of simulation slab narrow gap laser filling wire welding and real-time monitoring |
| CN106891078A (en) * | 2017-04-25 | 2017-06-27 | 南通市慧冠智能科技有限公司 | Control method is remotely pushed based on cloud platform industry arc welding robot welding procedure |
| CN107081503A (en) * | 2017-05-31 | 2017-08-22 | 温州大学 | The infrared nondestructive detection device and its Infrared Non-destructive Testing method of a kind of arc-welding quality |
| CN107649804A (en) * | 2017-10-17 | 2018-02-02 | 华中科技大学鄂州工业技术研究院 | A kind of increasing material manufacturing fusion penetration on-line checking and control system |
| CN108274124A (en) * | 2016-08-25 | 2018-07-13 | 长沙拓扑陆川新材料科技有限公司 | A kind of welding control system |
| CN109530955A (en) * | 2018-12-03 | 2019-03-29 | 江苏科技大学 | The welding technological properties evaluating apparatus and method of gas shield welding wire |
| CN109909502A (en) * | 2019-03-18 | 2019-06-21 | 中国科学院合肥物质科学研究院 | The on-line monitoring method of laser gain material manufacturing process based on multi-source heterogeneous data |
| CN110548963A (en) * | 2019-08-30 | 2019-12-10 | 桂林航天工业学院 | Trigger, trigger system and trigger method |
| CN111037062A (en) * | 2018-10-12 | 2020-04-21 | 哈尔滨工业大学 | Adaptive control and automatic visual inspection method for GTAW weld forming |
| CN111843272A (en) * | 2020-07-10 | 2020-10-30 | 中车工业研究院有限公司 | Quality discrimination method and device based on welding process information fusion |
| CN112191991A (en) * | 2020-10-26 | 2021-01-08 | 苏州鑫之博科技有限公司 | Arc additive multi-sensor intelligent nozzle and additive manufacturing method |
| CN112882435A (en) * | 2020-12-28 | 2021-06-01 | 中国核工业第五建设有限公司 | Data acquisition and image processing control system and method suitable for narrow space |
| CN113500271A (en) * | 2021-05-27 | 2021-10-15 | 卡斯马汽车***（重庆）有限公司 | Method for obtaining welding parameters of aluminum alloy MIG welding |
| CN113732557A (en) * | 2021-07-30 | 2021-12-03 | 武汉理工大学 | Welding monitoring method based on digital twinning |
| CN113878201A (en) * | 2021-08-18 | 2022-01-04 | 中车青岛四方机车车辆股份有限公司 | Welding process control method and device, electronic equipment and storage medium |
| CN114871620A (en) * | 2022-05-25 | 2022-08-09 | 西南交通大学 | Thick plate welding quality monitoring and control system and welding method thereof |
| CN115958331A (en) * | 2021-10-13 | 2023-04-14 | 南通昊海电器有限公司 | Welding method and welding device for composite copper bar conducting layer |
| CN117032095A (en) * | 2023-07-21 | 2023-11-10 | 泰安市特种设备检验研究院 | Method and system for managing examination workshops of digital special equipment welders |
| CN117680819A (en) * | 2024-02-02 | 2024-03-12 | 深圳市德治鑫自动化设备有限公司 | Welding equipment and system for mobile phone middle frame side gold plating piece |
| CN117680819B (en) * | 2024-02-02 | 2024-04-30 | 深圳市德治鑫自动化设备有限公司 | Welding equipment and system for mobile phone middle frame side gold plating piece |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290664B (en) * | 2018-10-23 | 2020-12-22 | 华南理工大学 | K-TIG welding penetration monitoring system and method based on sound sensing and current control |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001287065A (en) * | 2000-04-10 | 2001-10-16 | Ishikawajima Harima Heavy Ind Co Ltd | Automatic welding equipment |
| CN1172765C (en) * | 2002-05-31 | 2004-10-27 | 清华大学 | Adaptive control method of welding torch height in welding autotracking system and its equipment |
| CN101224519B (en) * | 2008-01-31 | 2010-04-14 | 上海交通大学 | Arc welding robot jointing monitoring system based vision sensing |
| CN102248254B (en) * | 2011-05-18 | 2014-08-20 | 湖南科天健光电技术有限公司 | Data processing system and method |
| CN103817417B (en) * | 2014-02-20 | 2016-04-06 | 深圳市佳士科技股份有限公司 | There is the unified digital submerged-arc welding control system of welding parameter experts database |
| CN104772550B (en) * | 2015-04-28 | 2017-04-05 | 北京石油化工学院 | A kind of welding process multi signal collection and jig kinetic control system |
-
2016
- 2016-05-04 CN CN201610288460.8A patent/CN105855743B/en active Active
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274124A (en) * | 2016-08-25 | 2018-07-13 | 长沙拓扑陆川新材料科技有限公司 | A kind of welding control system |
| CN108326431A (en) * | 2016-08-25 | 2018-07-27 | 长泰县爱菲社机械科技有限公司 | A kind of welding wire preparation method and welding control system |
| CN108406117A (en) * | 2016-08-25 | 2018-08-17 | 长沙拓扑陆川新材料科技有限公司 | A kind of welding control system of AZ systems magnesium alloy welding material |
| CN108465937A (en) * | 2016-08-25 | 2018-08-31 | 长沙拓扑陆川新材料科技有限公司 | A kind of welding control system of magnesium alloy welding material |
| CN106624418A (en) * | 2016-10-20 | 2017-05-10 | 北京工业大学 | Method for monitoring flow of weld pool through characteristic spectral line |
| CN106624418B (en) * | 2016-10-20 | 2019-03-22 | 北京工业大学 | A kind of application characteristic spectral line welding pool mobile monitoring method |
| CN106735897A (en) * | 2016-12-28 | 2017-05-31 | 西南交通大学 | The device and method of simulation slab narrow gap laser filling wire welding and real-time monitoring |
| CN106735897B (en) * | 2016-12-28 | 2018-06-29 | 西南交通大学 | Simulation slab narrow gap laser filling wire welding and the device and method monitored in real time |
| CN106891078A (en) * | 2017-04-25 | 2017-06-27 | 南通市慧冠智能科技有限公司 | Control method is remotely pushed based on cloud platform industry arc welding robot welding procedure |
| CN107081503A (en) * | 2017-05-31 | 2017-08-22 | 温州大学 | The infrared nondestructive detection device and its Infrared Non-destructive Testing method of a kind of arc-welding quality |
| CN107649804A (en) * | 2017-10-17 | 2018-02-02 | 华中科技大学鄂州工业技术研究院 | A kind of increasing material manufacturing fusion penetration on-line checking and control system |
| CN107649804B (en) * | 2017-10-17 | 2023-06-23 | 华中科技大学鄂州工业技术研究院 | Online detection and control system for penetration of additive manufacturing |
| CN111037062A (en) * | 2018-10-12 | 2020-04-21 | 哈尔滨工业大学 | Adaptive control and automatic visual inspection method for GTAW weld forming |
| CN109530955A (en) * | 2018-12-03 | 2019-03-29 | 江苏科技大学 | The welding technological properties evaluating apparatus and method of gas shield welding wire |
| CN109909502A (en) * | 2019-03-18 | 2019-06-21 | 中国科学院合肥物质科学研究院 | The on-line monitoring method of laser gain material manufacturing process based on multi-source heterogeneous data |
| CN109909502B (en) * | 2019-03-18 | 2021-04-27 | 中国科学院合肥物质科学研究院 | Online monitoring method for laser additive manufacturing process based on multi-source heterogeneous data |
| CN110548963A (en) * | 2019-08-30 | 2019-12-10 | 桂林航天工业学院 | Trigger, trigger system and trigger method |
| CN111843272A (en) * | 2020-07-10 | 2020-10-30 | 中车工业研究院有限公司 | Quality discrimination method and device based on welding process information fusion |
| CN111843272B (en) * | 2020-07-10 | 2022-02-22 | 中车工业研究院有限公司 | Quality discrimination method and device based on welding process information fusion |
| CN112191991A (en) * | 2020-10-26 | 2021-01-08 | 苏州鑫之博科技有限公司 | Arc additive multi-sensor intelligent nozzle and additive manufacturing method |
| CN112882435A (en) * | 2020-12-28 | 2021-06-01 | 中国核工业第五建设有限公司 | Data acquisition and image processing control system and method suitable for narrow space |
| CN113500271A (en) * | 2021-05-27 | 2021-10-15 | 卡斯马汽车***（重庆）有限公司 | Method for obtaining welding parameters of aluminum alloy MIG welding |
| CN113732557A (en) * | 2021-07-30 | 2021-12-03 | 武汉理工大学 | Welding monitoring method based on digital twinning |
| CN113732557B (en) * | 2021-07-30 | 2022-07-08 | 武汉理工大学 | Welding monitoring method based on digital twinning |
| CN113878201A (en) * | 2021-08-18 | 2022-01-04 | 中车青岛四方机车车辆股份有限公司 | Welding process control method and device, electronic equipment and storage medium |
| CN115958331A (en) * | 2021-10-13 | 2023-04-14 | 南通昊海电器有限公司 | Welding method and welding device for composite copper bar conducting layer |
| CN114871620A (en) * | 2022-05-25 | 2022-08-09 | 西南交通大学 | Thick plate welding quality monitoring and control system and welding method thereof |
| CN117032095A (en) * | 2023-07-21 | 2023-11-10 | 泰安市特种设备检验研究院 | Method and system for managing examination workshops of digital special equipment welders |
| CN117680819A (en) * | 2024-02-02 | 2024-03-12 | 深圳市德治鑫自动化设备有限公司 | Welding equipment and system for mobile phone middle frame side gold plating piece |
| CN117680819B (en) * | 2024-02-02 | 2024-04-30 | 深圳市德治鑫自动化设备有限公司 | Welding equipment and system for mobile phone middle frame side gold plating piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105855743B (en) | 2018-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105855743A (en) | On-line monitoring system and method for weld pool dynamic process | |
| CN111024736B (en) | Online defect monitoring method for laser additive manufacturing | |
| CN103231162A (en) | Device and method for visual detection of welding quality of robot | |
| CN108701428B (en) | Welding training system for synchronizing welding data for presentation | |
| CN105364349B (en) | Detecting method for welding seam track of welding robot | |
| CN111014879B (en) | Automatic welding method for corrugated plate of robot based on laser weld seam tracking | |
| US8046178B2 (en) | Defect detection system for identifying defects in weld seams | |
| CN107598163A (en) | A kind of quality lossless audio coding equipment and method suitable for powdering formula increasing material manufacturing | |
| CN105171115B (en) | The flying shear control method of flying shear control system based on machine vision | |
| CN101493682A (en) | Generating device of processing robot program | |
| CN109487267A (en) | A kind of Intelligent Laser reproducing method and system | |
| CN108838397B (en) | Laser additive manufacturing online monitoring method | |
| CN104002602B (en) | The laser activation device and laser activation method of function are corrected with machining accuracy | |
| CN107843644A (en) | A kind of vehicle body solder joint automatic checkout system and its control method | |
| JP6295837B2 (en) | Work analysis system, work analysis method, and work analysis program | |
| CN105241957B (en) | A kind of structure residual life automation fast evaluation method and system | |
| Na et al. | Real-time monitoring of welding path in pulse metal-inert gas robotic welding using a dual-microphone array | |
| JP2021516160A (en) | A method for automatically determining the optimum welding parameters for performing work piece welding | |
| Geng et al. | A method of welding path planning of steel mesh based on point cloud for welding robot | |
| Shen et al. | Measurement and evaluation of laser-scanned 3D profiles in wire arc hybrid manufacturing processes | |
| CN114309885A (en) | Special device and method for variable cross-section arc additive based on laser displacement sensor | |
| CN113909636A (en) | Control method and control device of welding equipment, processor and welding system | |
| CN103439928B (en) | A kind of cloud control method for ultrasonic automatic scanning checkout equipment | |
| US8426771B2 (en) | Method of monitoring machine condition | |
| CN114741999B (en) | Digital twinning technology-based lead bonding online monitoring method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Youmin Inventor after: Liu Jia Inventor after: Xiao Ling Inventor after: Tang Song Inventor after: Gu Yong Inventor before: Hu Youmin Inventor before: Liu Jie Inventor before: Xiao Ling Inventor before: Tang Song Inventor before: Gu Yong |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |