CN106695103A - Real-time monitoring detecting device for electron beam deep penetration welding and penetration forming - Google Patents
Real-time monitoring detecting device for electron beam deep penetration welding and penetration forming Download PDFInfo
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- CN106695103A CN106695103A CN201611208749.0A CN201611208749A CN106695103A CN 106695103 A CN106695103 A CN 106695103A CN 201611208749 A CN201611208749 A CN 201611208749A CN 106695103 A CN106695103 A CN 106695103A
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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
- B23K15/00—Electron-beam welding or cutting
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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
- B23K15/00—Electron-beam welding or cutting
- B23K15/0026—Auxiliary equipment
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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
- B23K15/00—Electron-beam welding or cutting
- B23K15/0046—Welding
Abstract
The invention discloses a real-time monitoring detecting device for electron beam deep penetration welding and penetration forming. The real-time monitoring detecting device comprises a beam current sensing and acquiring module, a bottom plate carrying sliding module and a calculating displaying module, wherein the beam current sensing and acquiring module is used for collecting beam current generated in the bottom plate carrying sliding module and converting a current signal into a voltage signal; the beam current sensing and acquiring module is used for transmitting the converted voltage signal to the calculating displaying module; the calculating displaying module is used for judging and displaying the signal; and welding speed is regulated through the bottom plate carrying sliding module. The real-time monitoring detecting device for electron beam deep penetration welding and penetration forming disclosed by the invention can be used for acquiring and displaying penetrating beam current in real time; and real-time monitoring for a dynamic welding process for an electron beam is realized by researching a relationship between total electron beam current and detected penetrating beam current, establishing a cross-flow ratio criterion and forming a monitoring method.
Description
Technical field
The present invention relates to metal material processing field, display device is gathered particular by real-time specifically for a whole set of line
Penetrating line and showing the real time monitoring apparatus reached to electron beam welding, detection used when collection electron beam is dynamically welded
Method is based on total electronic beam current and penetrates line relationship schedule with the back side, by the research formation criterion to rule come to electron beam depth
Fusion welding carries out monitor in real time and forms monitoring method.
Background technology
Electron beam welding is that the high pressure (25~300kV) using the electronics produced by cathode in electron gun in negative and positive interpolar adds
It is drawn out under fast electric field action, and accelerates to speed (0.3~0.7 times of light velocity) very high, is focused on through one-level or two grades of magnetic lenses
Afterwards, intensive high-speed electron flow is formed, when it is impinged upon at workpiece joint, its kinetic energy is converted to heat energy, material is melted rapidly
Change so as to reach the purpose of welding.In welding material, the electronics of high speed is producing heat to make to electronic beam current with material surface contact
With while, understand some electronics and become secondary electron to surrounding diverging, and also have some electricity when high-quality weld seam is obtained
Son can be formed through weld seam and penetrate line.
Electron beam weldering as a kind of welding method of difficult welding material, in the case of welding quality control well, can be with
Ensure the weldquality of stabilization, so as to ensure the weld strength of stabilization, but if control is bad, then weld strength is difficult to lasting guarantor
Card.In order to the weldquality for preferably controlling electron beam to weld to electron beam welding process, it is necessary to carry out monitor in real time.At present, very
Many researchs all concentrate on focus current, and on deflection current and boundling pole tension, but these factors all can not accurately embody and weld
Journey and weldquality.Patent (ZL201110181575.4) has invented a kind of electron beam current quality inspection device, in detection
To on the basis of the power density distribution of section, with Marching Cubes algorithms and tri patch pattern to electron beam space work(
Rate Density Distribution carries out three-dimensionalreconstruction, but the research of this detection Electron Beam Quality is a kind of indirectly monitoring method, therefore
Monitor in real time cannot be carried out to the welding process of electron beam.Patent (ZL02153277.X) proposes a kind of determination electron beam welding
The method of parameter, by incrementally increasing input line IbR is compared in the average conduction for obtaining beam current through work-pieceaWith input line Ib's
Change curve, Ra=Iwp/Ib, obtain critical penetration beam Ic, it is determined that the welding line of through welding state is in Ic≤Ib≤Ic+ 5%Ic,
The welding line of lack of penetration state is in Ic- 5%Ic≤Ib≤Ic, the method can be quickly found out suitably weld line raising effect
Rate, but cannot equally monitor in real time be carried out to the welding process of electron beam." vacuum electron beam welder running quality monitoring technology is ground
Study carefully " (metering with measuring technology 2015.10.30) propose and accelerate electricity using divider and six Semi-digital multimeters detections
Pressure, using control module CRE31/37 (I-MON ends and 0 end) phase of six Semi-digital multimeters and the switch board of electron-beam welder
Detection electronic beam current is connect, but these factors can not directly and accurately embody welding process and weldquality." electron-beam welder
Penetrate monitoring method and the application study of line " (equipment manufacturing technology 12 phases in 2015) devise the inspection that electron beam penetrates line
Device is surveyed to detecting that penetrating line has carried out Primary Study, but because its harvester and workbench are mutually fixed, using ammeter
The measurement that measurement etc. permits the pass through line is influenceed by welding plate length and precision is not high, and he rule of thumb describes some bases and wears
The method of saturating line size adjusting process parameter but all relatively more general, lacks the theories integration of system, cannot also accomplish to weld
The dynamic monitor in real time of journey.Welding is penetrated for laser, " numerical simulation of laser fuU penetration welding temperature field and field of flow " (swashs weldering
Connect the journal 2005 year phase of volume 26 12) establish the lower laser penetration welding molten bath of composite heat power supply effect and flow Three-dimensional CAD,
Thermal source by acting on the Gauss thermal source of laser surface and constitute along the column thermal source in laser light incident direction, consider respectively etc. from
Daughter and aperture mechanism of absorption, it is to be formed to penetrate weldering laser welding " hourglass " shape molten bath that the method discloses Marangoni convection current
The main cause of pattern, the method only connects to laser fuU penetration welding and is simulated therefore also cannot carry out reality to dynamic welding process
When monitor, and laser is different from electron beam, it is impossible to carry out monitor in real time to whole welding process as monitoring parameter with the magnitude of current.And
The also little of research is welded in penetrating for current article on plasma, and the monitoring of article on plasma welding comes generally by temperature, pressure etc.
Implement, " the vacuum plasma welding Design of Monitoring and Control System based on PROFIBUS fieldbus " (the welded tube 2010 year phase of volume 33 1)
Using PROFIBUS bus network, each control, detection part, monitor etc. are connected and form Plasma Welding monitoring system
System.But the system is only capable of alarming water, gas and current anomaly, prison in real time can not be accomplished for dynamic welding process
Control.Patent (ZL99119342.3) realizes plasma arc welding (PAW) using the spectral radiance of welding arc as direct detection amount
During from by the behavior of weldering hardware front real-time detection molten bath aperture and suitable for butt weld, angle welding and fourth
Font weld seam etc., but the method do not set up with weldquality with welding process and contacts with regard to the behavior of aperture, it is impossible to dynamic
The welding process of state is monitored in real time.
The content of the invention
The present invention is more difficult for the direct monitoring of current electron beam welding process and controls Weld seam quality control etc.
Problem, there is provided a kind of in real time to measure the device for penetrating line and showing in real time in electron beam dynamic welding process, passes through
Study total electronic beam current and the back side to penetrate line relationship schedule and define percolation ratio, thereby establish weldquality (including weldering
Slip, weld collapse, the weld defect such as weld seam concentric reducer ratio is excessive) with electron beam percolation than criterion row to be tapped into electron beam deep penetration welding real
When monitor and form monitoring method.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of electron beam deep penetration welding penetrates shaping monitor in real time detection means, including：Line sensing acquisition module, base plate holds
Connect sliding block and calculate display module.Line sensing acquisition module is used to collect the line that base plate accepts generation in sliding block
And current signal is converted into voltage signal, the voltage signal after conversion is transferred to calculating display mould by line sensing acquisition module
Block, calculates display module and is judged and shown by signal, and accepts sliding block regulation speed of welding by base plate.
Further, line sensing acquisition module includes sensing acquisition part and electric signal conversion portion, wherein, sensing is adopted
It is faraday's core structure to integrate part, including：The shielding shell of top end opening；
The insulating barrier of shielding enclosure is embedded in, top is provided with circular open；
And the passive electrode of embedded insulating barrier, circular open at two is also correspondingly provided with, place heat-resisting at its bottom centre
Tungsten block.
Electric signal conversion portion is the sensing resistor being arranged between shielding outer casing bottom and insulating barrier, sensing resistor one end
Passive electrode is accessed, the other end is picked out and is connected into calculating display module.
Preferably, shielding shell uses aluminium alloy.
Base plate accepts sliding block includes base, and for clamping movable working platform, the fixture of welding plate, it is removable to start building
Make guide rail of the platform by being set on base to realize moving freely；
Further, it is equipped with fixture on four angles of movable working platform.
Further, calculate during display module receives line sensing acquisition module by data collecting card shielded cable
Voltage signal is uploaded to computer, then be programmed by computer judge line sensing acquisition module penetrate line and electronics
Voltage signal is changed into current signal and is shown in real time on display module by the ratio between line.
Detection method based on said apparatus, including comprise the following steps that：
1st, adjusting apparatus, clean welding plate and one end of welding plate is corresponded to electron beam ejecting gun, and set welding plate thickness 5
Between~20mm；
The 2nd, welding parameter accelerating potential V, electronic beam current I are setw, after speed of welding v, welded；
3rd, in welding process, electronic beam current keeps constant, and welding plate is moved with workbench, while being passed by line
Sense acquisition module is collected and penetrates line I in real time1、I2。。。Ic；
4th, R is compared according to percolationo=Ic/Iw, calculate percolation and compare RoIf percolation between 20%~45%, is conformed to than R
Ask, now weld stabilization；If percolation less than 20% or flows than R more than 45% than R, weld defect occurs.
5th, penetrating after beam current signal can be converted into voltage signal in line sensing acquisition module for collecting is transferred to
Data collecting card, line I will be penetrated by computer programming in real timecCompare R with percolationoBy the form of oscillogram in computer
On show；
6th, line I is penetrated on computerscOscillogram on the observation of two straight lines is demarcated on 20% and 45% position
Show that percolation compares oscillogram on computer.
If 6.1 percolations are more steady than curve and between two straight lines demarcated, meet the requirements, now welding process is steady
Fixed, weldquality is excellent；
If 6.2 percolations are not than steadily but between two straight lines demarcated, undesirable, now welding process is present
Problem and weldquality is not good；
If 6.3 percolation it is more steady than curve and demarcate two straight lines between but have part not demarcate two straight lines it
Between, now represent weldquality preferably, it is at weld defect without the part between two straight lines demarcated.
The present invention compared with prior art, with remarkable advantage：
1st, electron beam deep penetration welding penetrate shaping monitor in real time detection means can be to penetrating the Real-time Collection of line and showing；
2nd, by total electronic beam current and detect penetrate line between relation study, set up percolation and compare criterion
And form the monitor in real time that monitoring method realizes the dynamic welding process of electron beam.
3rd, can be with adjusting process parameter, so as to obtain the weld seam of high-quality, in large batch of weldering by the monitoring method of gained
Efficiency is improved in termination process.
4th, during dynamically welding, by flowing than criterion, can in real time find occur weld defect in welding plate
Position, and these weld defects cannot typically be observed with the naked eye in welding plate.
Brief description of the drawings
Fig. 1 is line sensing acquisition module sectional view；
Fig. 2 monitors schematic diagram to penetrate collection of beam current；
Fig. 3 is sensing acquisition module, and base plate accepts sliding block and calculates the schematic diagram of display module relation each other
Fig. 4 is the flow chart of the detection method that monitor in real time electron beam dynamically welds the state that penetrates
Fig. 5 be embodiment 1 in adjust before penetrate line and percolation compares waveform diagram；
Fig. 6 is the pictorial diagram of the preceding weld seam of adjustment in embodiment 1；
Fig. 7 be embodiment 1 in adjust after penetrate line and percolation compares waveform diagram；
Fig. 8 is the pictorial diagram of section of weld joint after being adjusted in embodiment 1；
Fig. 9 be embodiment 2 in adjust before penetrate line and percolation compares waveform diagram；
Figure 10 is the pictorial diagram of the preceding section of weld joint of adjustment in embodiment 2；
Figure 11 be embodiment 2 in adjust after penetrate line and percolation compares waveform diagram；
Figure 12 is the pictorial diagram of section of weld joint after being adjusted in embodiment 2；
Figure 13 is to penetrate line and percolation compares waveform diagram in embodiment 3；
Figure 14 is the pictorial diagram in the section of weld seam in embodiment 3.
Wherein, 1, movable working platform；2nd, electronic beam current；3rd, welding plate；4th, fixture；5th, guide rail；6th, base；7th, computer；
8th, shielded cable；9th, line sensing acquisition mould is fast；10th, electron beam ejecting gun；11st, focus coil；12nd, shell is shielded；13rd, insulate
Layer；14th, passive electrode；15th, heat-resisting tungsten block；16th, sensing resistor.
Specific embodiment
Describe apparatus and method involved in the present invention in detail below in conjunction with embodiment and accompanying drawing 2.By the present invention
Application, monitor in real time can be carried out to electron beam welding process.Obviously, described embodiment is only one of the invention
Divide embodiment, be not whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound
The every other embodiment that the property made is obtained on the premise of working, belongs to the scope that the present invention is protected.Experimental facilities is
ZD60-6A CV500L type electron-beam welders.
Electron beam deep penetration welding penetrates shaping monitor in real time detection means, including：Line sensing acquisition module, base plate is accepted and slided
Dynamic model block and calculating display module.Line sensing acquisition module is used to collect the line of generation in base plate undertaking sliding block and incites somebody to action
Current signal is converted into voltage signal, and the voltage signal after conversion is transferred to calculating display module by line sensing acquisition module,
Calculate display module to be judged and shown by signal, and sliding block is accepted by base plate and adjust speed of welding.
Line sensing acquisition module 9 uses faraday's core structure, and outside shields the 60mm high of shell 12, bottom for aluminium alloy
It is the square of 40 × 40mm, upper end open, thickness is 1mm, one layer of 5mm is being embedded away from the bottom 10mm positions of aluminum alloy casing 12
The thick material of insulating barrier 13 is epoxy resin, and the opening of the upper end of insulating barrier 13 is the circle of radius 15mm, interior in insulating barrier 13
Embedding one layer of 5mm thick passive electrode 14, passive electrode 14 is respectively radius 12mm's and radius 8mm at upper end and 2/3rds
Circular open structure, for ensureing that electronic beam current can be completely absorbed after squeezing into sensing device, the material of passive electrode 14 is H62 yellow
Copper, places a 20 × 20mm of bottom, the heat-resisting tungsten block 15 of 5mm high, for protecting bottom at the bottom centre of passive electrode 14
Passive electrode 14, the sensing resistor 16 of a built-in 1k Ω, screen at the 10mm between aluminium alloy shielding shell 12 and insulating barrier 13
Cover the one end of cable 8 to be connected by the screwed hole with the bottom M2 of insulating barrier 13 × 3mm, and ensure that shielded cable 8 is accessed and receive
Colelctor electrode 14, sensing resistor 5 is accessed in shielded cable, and shielded cable 8 shields shell 12 by aluminium alloy and base plate is accepted and slided
The circular hole of the radius 2mm on base 6 in module is picked out and is connected to the outside data collecting card calculated in display module.
Base plate is accepted sliding block and is made up of base 6, movable working platform 1 and the part of fixture 4 three.Base 400mm long, it is wide
200mm, be distributed with the 30mm of distance side 2 guide rails 5 for realize can freely be moved with guarantee is merged with movable working platform 1
Dynamic, movable working platform surface 1 is a 120mm long, and movable working platform 1 is accessed electronics by the rectangle of 40mm wide, 62mm high
Beam welding machine control volume system guarantees freely to control movement and the translational speed of movable working platform 1.The four of movable working platform 1
Fixture 4 is distributed with individual angle to be coordinated with bolt by the screwed hole of M4, fixture 4 be 40mm long, the cuboid of 25mm wide,
There is slotted eye centre, coordinates so as to clamp welding plate 3 through hole and movable working platform 1 for bolt.
Calculate the voltage signal that display module is received in line sensing acquisition module by data collecting card shielded cable 8
Be uploaded to computer 7, then be programmed by computer 7 judge line sensing acquisition module penetrate line and electronic beam current it
Shown in real time on display module than voltage signal is changed into current signal.
Detection method specifically includes as follows：
1st, adjusting apparatus, cleaning welding plate 3 makes one end of welding plate 3 correspond to electron beam ejecting gun 10, sets focus coil 11
Electron beam is focused, and welding plate thickness is set between 5~20mm；
The 2nd, welding parameter accelerating potential V, electronic beam current I are setw, after speed of welding v, welded；
3rd, in welding process, electronic beam current 2 keeps constant, and welding plate 3 is fixed as workbench 1 is moved by fixture 4,
Collected by line sensing acquisition module 9 simultaneously and penetrate line I in real time1、I2。。。Ic；
4th, R is compared according to percolationo=Ic/Iw, calculate percolation and compare Ro；
5th, line I is penetrated by what is measured in real timecCompare R with gained percolation is calculatedoShown on computer 7；
6th, whether what is shown on observation computer 7 penetrates line between 20% and 45% two demarcation straight lines, if
Then meet the requirements, now welding does not exist defect.If percolation is less than 20% or flows than R be more than 45% than R, welding exists scarce
Fall into.
Embodiment 1
Used by experiment is 2A12 aluminium alloys, and its thickness is 10mm, and at high temperature with good plasticity, welding performance is good
It is good, but easily oxidation in atmosphere.By the oil on weldment surface, rust and oxide are removed, and particularly two butting surfaces make first
The oxide on surface is scraped off with scraper, then scouring dehydration is carried out with absolute ethyl alcohol.
Such as accompanying drawing 2 of welding plate 3 is press-fitted, and is ensured the precision of assembling.Such as accompanying drawing of line sensing acquisition mould fast 9 is fixed on
On base 6, the underface of weld seam is placed in.Ensure that workpiece can be slided on base 6 with workbench 1 by certain bonding speed
It is dynamic.
Selected technological parameter is accelerating potential 60kV, electronic beam current 20mA, speed of welding 600mm/min.Ensure electronics
While line gets to welding plate 3, workbench 1 starts movement, and the rate travel of workbench 1 is bonding speed.At the same time, beam
Sense acquisition module 9 is spread to start collection and penetrate line and shown on computer 7.
It was observed that the penetrating current shown on computer 7 maintains essentially in 10mA up and down, percolation compares RoMaintain 50% attached
Closely as shown in Figure 5, between normal 20%~45%, and the welding plate 3 for now obtaining occurs in that weldering is collapsed, and weldquality is not
It is good, as shown in Figure 6.
By the experience tested above, adjusting process parameter, again focusing be focused and appropriate turn electron beam down
15mA is flow to, other specification keeps constant.
Take welding plate 3 to be cleaned, by the oil on weldment surface, rust and oxide are removed, particularly two butting surfaces, first
The oxide on surface is scraped off using scraper, then scouring dehydration is carried out with absolute ethyl alcohol.
Such as accompanying drawing 2 of welding plate 3 is press-fitted, and is ensured the precision of assembling.
Carry out Welding experiment and collection started by line sensing acquisition mould fast 9 to penetrate line and carrying out on computer 7
Display.
The penetrating current shown on observation computer 7 maintains essentially in 5mA up and down, and percolation compares RoAbout 33% such as accompanying drawing 7
It is shown, meet between normal 20%~45%, and the weldquality of welding plate 3 for now obtaining is excellent, as shown in Figure 8.
Embodiment 2
Used by experiment is TC4 titanium alloys, and its thickness is 10mm, the supply of material of solution treatment state.By the oil on weldment surface, rust
Removed with oxide, particularly two butting surfaces scrape off the oxide on surface first by scraper, then carried out with absolute ethyl alcohol
Clean dehydration.
Such as accompanying drawing 2 of welding plate 3 is press-fitted, and is ensured the precision of assembling.Line sensing acquisition mould fast 9 is fixed on base 6
On, it is placed in the underface of weld seam.Ensure that workpiece can be slided on base 6 with workbench 1 by certain bonding speed.
Selected technological parameter is accelerating potential 60kV, electronic beam current 35mA, speed of welding 500mm/min.Ensure electronics
While line gets to welding plate 3, workbench 1 starts movement, and the rate travel of workbench 1 is bonding speed.At the same time, beam
Stream sensing acquisition mould fast 9 starts collection and penetrates line and shown on computer 7.
The penetrating current shown on observation computer 7 maintains essentially in 4mA up and down, and percolation compares RoMaintain near 12% such as
Shown in accompanying drawing 9, between subnormal 20%~45%, and the welding plate 3 for now obtaining occurs in that weld seam scale is excessive
Problem, weldquality is not good, as shown in Figure 10.
By the experience tested above, adjusting process parameter, again focusing be focused and appropriate tune up electron beam
40mA is flow to, speed of welding is adjusted to 300mm/min.
Take welding plate 3 to be cleaned, by the oil on weldment surface, rust and oxide are removed, particularly two butting surfaces, first
The oxide on surface is scraped off using scraper, then scouring dehydration is carried out with absolute ethyl alcohol.
Such as accompanying drawing 2 of welding plate 3 is press-fitted, and is ensured the precision of assembling.
Carry out Welding experiment and collection started by line sensing acquisition mould fast 9 to penetrate line and carrying out on computer 7
Display.
It was observed that the penetrating current shown on computer 7 maintains essentially in 12mA up and down, percolation compares RoAbout 30% is such as attached
Shown in Figure 11, meet between normal 20%~45%, and the weldquality of welding plate 3 for now obtaining is excellent, as shown in Figure 8.
Embodiment 3
Experiment it is used is high-nitrogen austenitic stainless steel, its thickness is 5mm, again with high tough while with high intensity
Property and corrosion resistance.By the oil on weldment surface, rust and oxide are removed, particularly two butting surfaces, first by scraper
The oxide on surface is scraped off, then scouring dehydration is carried out with absolute ethyl alcohol.
Such as accompanying drawing 2 of welding plate 3 is press-fitted, and is ensured the precision of assembling.Line sensing acquisition mould fast 9 is fixed on base
On, it is placed in the underface of weld seam.Ensure that workpiece can be slided on base 6 with workbench 1 by certain bonding speed.
Selected technological parameter is accelerating potential 60kV, electronic beam current 20mA, speed of welding 400mm/min.Ensure electronics
While line gets to welding plate 3, workbench 1 starts movement, and the rate travel of workbench 1 is bonding speed.At the same time, beam
Stream sensing acquisition mould fast 9 starts collection and penetrates line and shown on computer 7.
It was observed that the penetrating current shown on computer 7 maintains essentially in 5mA up and down, percolation compares RoMaintain near 25%
As shown in Figure 12, between normal 20%~45%, and the weld seam specific mass of welding plate 3 for now obtaining is excellent, such as the institute of accompanying drawing 7
Show.
Claims (6)
1. a kind of using the detection means for penetrating line monitor in real time electron beam dynamic welding process, it is characterised in that including：Beam
Sense acquisition module is spread, base plate accepts sliding block and calculates display module；Line sensing acquisition module is held for collecting base plate
Connect the line that produces in sliding block and current signal is converted into voltage signal, line sensing acquisition module is by the electricity after conversion
Pressure signal transmission is calculated display module and is judged and shown by signal, and accepted by base plate to display module is calculated
Sliding block adjusts speed of welding.
2. according to claim 1 using the detection means for penetrating line monitor in real time electron beam dynamic welding process, beam
Spreading sense acquisition module includes sensing acquisition part and electric signal conversion portion, wherein, sensing acquisition part is faraday's cartridge type
Structure, including：The shielding shell of top end opening；
The insulating barrier of shielding enclosure is embedded in, top is provided with circular open；
And the passive electrode of embedded insulating barrier, circular open at two is also correspondingly provided with, heat-resisting tungsten block is placed at its bottom centre；
Electric signal conversion portion is the sensing resistor being arranged between shielding outer casing bottom and insulating barrier, and sensing resistor one end is accessed
Passive electrode, the other end is picked out and is connected into calculating display module.
3. according to claim 2 using the detection means for penetrating line monitor in real time electron beam dynamic welding process, its
It is characterised by, described shielding shell uses aluminium alloy.
4. according to claim 1 using the detection means for penetrating line monitor in real time electron beam dynamic welding process, its
It is characterised by, base plate accepts sliding block includes base, and for clamping movable working platform, the fixture of welding plate, may move
Workbench is realized moving freely by the guide rail set on base.
5. according to claim 4 using the detection means for penetrating line monitor in real time electron beam dynamic welding process, its
It is characterised by, fixture is equipped with four angles of described movable working platform.
6. according to claim 1 using the detection means for penetrating line monitor in real time electron beam dynamic welding process, meter
Calculation display module receives the voltage signal in line sensing acquisition module and is uploaded to calculating by data collecting card shielded cable
Machine, then be programmed by computer judge line sensing acquisition module penetrate the ratio between line and electronic beam current by voltage signal
Current signal is changed into be shown in real time on display module.
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Cited By (5)
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| CN107438327A (en) * | 2017-08-22 | 2017-12-05 | 华中科技大学 | A kind of plasma electrical signal online measurement apparatus and method |
| CN108237322A (en) * | 2017-10-27 | 2018-07-03 | 南京理工大学 | A kind of electron beam dynamic welded seam Real-time quality monitoring device and method |
| CN109128417A (en) * | 2018-10-15 | 2019-01-04 | 华北水利水电大学 | A kind of method of light beam-electron beam composite brazing high nitrogen steel |
| CN109226987A (en) * | 2018-11-12 | 2019-01-18 | 湖南大学 | The comprehensive method directly observed of the small keyhole plasma of metal material penetration fustion welding |
| CN111458324A (en) * | 2020-02-14 | 2020-07-28 | 华智焊测高科(苏州)有限公司 | Detection device and detection method for deep-melting TIG (tungsten inert gas) welding perforation state |
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| CN109128417B (en) * | 2018-10-15 | 2021-06-01 | 华北水利水电大学 | Method for beam-electron beam composite brazing of high-nitrogen steel |
| CN109226987A (en) * | 2018-11-12 | 2019-01-18 | 湖南大学 | The comprehensive method directly observed of the small keyhole plasma of metal material penetration fustion welding |
| CN111458324A (en) * | 2020-02-14 | 2020-07-28 | 华智焊测高科(苏州)有限公司 | Detection device and detection method for deep-melting TIG (tungsten inert gas) welding perforation state |
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