CN104954739B - A kind of GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment - Google Patents
A kind of GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment Download PDFInfo
- Publication number
- CN104954739B CN104954739B CN201510250658.2A CN201510250658A CN104954739B CN 104954739 B CN104954739 B CN 104954739B CN 201510250658 A CN201510250658 A CN 201510250658A CN 104954739 B CN104954739 B CN 104954739B
- Authority
- CN
- China
- Prior art keywords
- speed camera
- xenon lamp
- droplet transfer
- camera
- transfer image
- 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.)
- Active
Links
Abstract
The invention discloses the GMAW droplet transfer image capturing apparatus under a kind of underwater dry-type hyperbaric environment, consumable electrode welding torch is equipped in hyperbaric welding test chambe, xenon lamp and high-speed camera are respectively placed in the both sides of the consumable electrode welding torch, the wire tip of consumable electrode welding torch is simultaneously positioned at the focal position of the focus and the xenon lamp of high-speed camera.The optical center of high-speed camera, the wire tip, 3 points of the light source center of the xenon lamp are coaxially conllinear.The camera lens of high-speed camera uses micro-lens.The camera lens of high-speed camera is connected with the bandpass filter that centre frequency is 632.8mm.Condenser lens is equipped with before xenon lamp.High-speed camera is connected with control display device.The GMAW droplet transfer image takings that can be used under 0.6MPa (being equivalent to the 60m depth of waters) pressure environment are realized under the conditions of 0.6MPa high-air pressure compressed airs below, and clear soft droplet transfer and arc shape image are obtained.
Description
Technical field
The present invention relates to the GMAW molten drop mistakes under a kind of underwater welding technology more particularly to a kind of underwater dry-type hyperbaric environment
Cross image capturing apparatus.
Background technology
During GMAW weldings, whether electric arc is stablized, the size and number of splashing metal, molten bath motion state and subsequent
Appearance of weld etc., the droplet shape and its transition state formed when all being melted with welding wire end are related.With common portrait or scenery
Photography is compared, and Welding Molten Drop transient process is small (ordinary circumstance is less than 10mm × 10mm) with subject picture, molten drop mistake
It is high (tens to hundreds of hertz) to cross frequency, molten drop passes through the features such as arc space speed is fast (tens meters per second reachable).And high speed
Camera work, can be by the spatial information and time of high speed motions or high speed transient process as a kind of advanced means of testing
Informational linkage together, records its subtle process, is frequently used for the research of the processes such as droplet transfer.
Under water under dry-type high-voltage environment, there is prodigious difference in arc behavior and droplet transfer process and atmospheric environment
It is different.It realizes the welding process of continuous-stable, ensures welding quality, it must be using High-speed Photography Technology to the stability of welding arc
And droplet transfer mode carries out deep observation and analysis.And under high-pressure sealed environment, molten drop is by the electric arc institute of high temperature, high brightness
It shrouds, welding fume is dense, usually also splashes with a large amount of, it is seen that degree is low, and field of view is poor, in the prior art, is directed to
The shooting of clear droplet transfer image under 0.6MPa hyperbaric environments, lacks the scheme of relevant feasibility.
Invention content
The object of the present invention is to provide one kind under the conditions of 0.6MPa high-air pressure compressed airs below, obtains clear soft
Droplet transfer and arc shape image underwater dry-type hyperbaric environment under GMAW droplet transfer image capturing apparatus.
The purpose of the present invention is what is be achieved through the following technical solutions：
GMAW droplet transfer image capturing apparatus under the underwater dry-type hyperbaric environment of the present invention, in hyperbaric welding test chambe
It is interior to be equipped with consumable electrode welding torch, which is characterized in that in the hyperbaric welding test chambe, xenon lamp and high-speed camera are respectively placed in
The both sides of the consumable electrode welding torch, the wire tip of the consumable electrode welding torch is simultaneously positioned at the focus of the high-speed camera and institute
State the focal position of xenon lamp.
As seen from the above technical solution provided by the invention, underwater dry-type hyperbaric environment provided in an embodiment of the present invention
Under GMAW droplet transfer image capturing apparatus, due in the hyperbaric welding test chambe, by xenon lamp and high-speed camera point
It is not placed in the both sides of consumable electrode welding torch, the wire tip of consumable electrode welding torch is simultaneously positioned at the focus of high-speed camera and the xenon lamp
Focal position, can by the relative distance in cabin of making rational planning between xenon lamp, high-speed camera, consumable electrode welding torch three,
And according to the relative position of xenon lamp, high-speed camera, consumable electrode welding torch, when adjusting the focal length, aperture, exposure of high-speed camera
Between, the focal length of xenon lamp matches rational optical filter, it can be achieved that under the pressure environment of 0.6MPa (being equivalent to the 60m depth of waters), clearly
Droplet transfer and arc shape are taken, clearly field of view demand is met under hyperbaric environment.This method is suitable for high compression ring
New welding process exploitation, the development of the source of welding current such as GMAW, TIG pulsation landfilling area, laserHybrid welding, laser enhancing weldering under border
And the research of arcing mechanism.
Description of the drawings
Fig. 1 is the GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment provided in an embodiment of the present invention
Structural schematic diagram.
Fig. 2 is the different moments GMAW molten drop under 0.6MPa (being equivalent to 60m depth of waters environment) pressure in the embodiment of the present invention
Transfer image acquisition.
Specific implementation mode
The embodiment of the present invention will be described in further detail below.
GMAW droplet transfer image capturing apparatus under the underwater dry-type hyperbaric environment of the present invention is preferably embodied
Mode is：
Consumable electrode welding torch is equipped in hyperbaric welding test chambe, in the hyperbaric welding test chambe, by xenon lamp and high speed
Video camera is respectively placed in the both sides of the consumable electrode welding torch, and the wire tip of the consumable electrode welding torch is taken the photograph positioned at the high speed simultaneously
The focal position of the focus of camera and the xenon lamp.
The optical center of the high-speed camera, the wire tip, 3 points of the light source center of the xenon lamp are coaxially conllinear.
The camera lens of the high-speed camera uses micro-lens.
The camera lens of the high-speed camera is connected with optical filter.
It is connected through a screw thread between the camera lens of the high-speed camera and the optical filter.
The optical filter uses centre frequency for the bandpass filter of 632.8mm.
One or more condenser lenses are equipped with before the xenon lamp.
The high-speed camera is connected with control display device.
GMAW droplet transfer image capturing apparatus under the underwater dry-type hyperbaric environment of the present invention, can be used for 0.6MPa (phases
When in the 60m depth of waters) GMAW droplet transfer image takings under pressure environment, it realizes in 0.6MPa high-air pressure compressed airs below
Under the conditions of, obtain clear soft droplet transfer and arc shape image.
In the concrete application of the present invention, pass through the phase between xenon lamp of making rational planning for, high-speed camera, consumable electrode welding torch three
Adjust the distance, and according to the relative position of xenon lamp, high-speed camera, consumable electrode welding torch, adjust the focal length of high-speed camera, aperture,
The focal length of time for exposure and xenon lamp makes wire tip while positioned at the focal position of high-speed camera, xenon lamp.
The high-speed camera is connected with control display device (CDU), and real-time display recording state confirms the welding wire end
It holds while being in the focus of the high-speed camera and the xenon lamp, the optical center of the high-speed camera, the welding wire
End, 3 points of the light source center of the xenon lamp are coaxially conllinear.
The camera lens of the high-speed camera uses micro-lens；The high-speed camera camera lens carries out spiral shell with optical filter eyeglass
Line connects；
The optical filter uses centre frequency for the bandpass filter of 632.8mm, filters out as arc light chief component
Blue violet light.
The high-speed camera aperture standard-sized sheet can obtain molten drop mistake when aperture time is 20 μ s under enclosed high pressure environment
Cross the optimal value of form and arc shape picture quality.
The xenon source focus adjustable.
The present invention by the relative distance in cabin of making rational planning between xenon lamp, high-speed camera, consumable electrode welding torch three, and
According to the relative position of xenon lamp, high-speed camera, consumable electrode welding torch, the focal length, aperture, time for exposure of high-speed camera are adjusted,
The focal length of xenon lamp is matched rational optical filter, it can be achieved that in 0.6MPa, is equivalent under the pressure environment of the 60m depth of waters, clear to shoot
To droplet transfer and arc shape, meet under hyperbaric environment clearly field of view demand.This method is suitable under hyperbaric environment
GMAW, TIG pulse landfilling area, laserHybrid welding, laser enhancing weldering etc. new welding process exploitation, the source of welding current development and
The research of arcing mechanism.
Specific embodiment：
As shown in Figure 1, for the GMAW droplet transfer image capturing apparatus under a kind of underwater dry-type hyperbaric environment, in high pressure welding
It connects in experimental cabin, xenon lamp, high-speed camera is placed in consumable electrode welding torch both sides；
The high-speed camera uses micro-lens, and the bandpass filter that centre frequency is 632.8mm, filter are rotary on camera lens
Except the blue violet light as arc light chief component.
The high-speed camera is connected with control display device (CDU), is used for real-time display recording state.
The high-speed camera is connected with gigabit Ethernet, and PC machine local is transmitted to for that will acquire gained image data.
Gigabit Ethernet one end connection is located at the high-speed camera in cabin, and the other end passes through crossing cabin flange, and connection is located at out of my cabin
PC machine.
The high-speed camera is placed in protective cover, the high-air pressure compressed air for being 0.6MPa outside protective cover when work,
Inside is atmospheric pressure environment.The high-speed camera always works under atmospheric pressure environment, to reduce high pressure to high-speed camera
Component damages.
The relative distance made rational planning between xenon lamp, high-speed camera, consumable electrode welding torch three, setting high-speed video camera with
The distance of xenon lamp is L2, and xenon lamp is L3 at a distance from welding wire.Dress leads to there are two the condenser lens that spacing is L1 inside the xenon lamp
The length of L1 is overregulated, can further determine that the position of the xenon lamp focus.
L1 and L3 is adjusted, until wire tip position is most bright spot, the focus of the as described xenon source.It will be described
The frame speed of high-speed camera is set as 2000 frames/s, and the time for exposure is set as 20 μ s.Adjust the angle of the high-speed camera, institute
State high-speed camera and the xenon lamp, the wire tip relative altitude, while and adjust L2, until control display device
(CDU) there is clearly circular light spot.
High-speed camera focal position is adjusted, until clearly wire tip picture occurs in control display device.
Control display device is removed, high-speed camera machine protective cover is sealed, gained image data is led by gigabit Ethernet
Go out, be passed in the locals PC, carries out welding process off-line analysis.
Fig. 2 is 0.6MPa provided in an embodiment of the present invention, and the different moments GMAW being equivalent under 60m depth of water environmental pressures is molten
Drip transfer image acquisition.From can clearly observe molten drop and arc shape under hyperbaric environment in figure.Under 0.6MPa hyperbaric environments, weldering
Electric current 150A, weldingvoltage 30V are met, during the droplet transfer at this time, electric arc burns in molten drop side, and molten drop upwarps, whole high
In wire tip, and it is suspended from welding wire axis side.It is torn under electric arc repulsion force effect in floating welding pool.
It is apparent to those skilled in the art that for convenience and simplicity of description, only with above-mentioned each function
The division progress of module, can be as needed and by above-mentioned function distribution by different function moulds for example, in practical application
Block is completed, i.e., the internal structure of device is divided into different function modules, to complete all or part of work(described above
Energy.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (3)
1. the GMAW droplet transfer image capturing apparatus under a kind of underwater dry-type hyperbaric environment, is equipped in hyperbaric welding test chambe
Consumable electrode welding torch, which is characterized in that in the hyperbaric welding test chambe, xenon lamp and high-speed camera are respectively placed in described molten
Change the both sides of pole welding torch, the wire tip of the consumable electrode welding torch is simultaneously positioned at the focus of the high-speed camera and the xenon lamp
Focal position；
The optical center of the high-speed camera, the wire tip, 3 points of the light source center of the xenon lamp are coaxially conllinear；
The camera lens of the high-speed camera uses micro-lens；
The camera lens of the high-speed camera is connected with optical filter；
The optical filter uses centre frequency for the bandpass filter of 632.8mm；
One or more condenser lenses are equipped with before the xenon lamp.
2. the GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment according to claim 1, feature
It is, is connected through a screw thread between the camera lens of the high-speed camera and the optical filter.
3. the GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment according to claim 1 or 2, special
Sign is that the high-speed camera is connected with control display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250658.2A CN104954739B (en) | 2015-05-15 | 2015-05-15 | A kind of GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250658.2A CN104954739B (en) | 2015-05-15 | 2015-05-15 | A kind of GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104954739A CN104954739A (en) | 2015-09-30 |
| CN104954739B true CN104954739B (en) | 2018-11-02 |
Family
ID=54169038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510250658.2A Active CN104954739B (en) | 2015-05-15 | 2015-05-15 | A kind of GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104954739B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834550B (en) * | 2016-05-13 | 2018-10-12 | 江苏科技大学 | A kind of underwater melt pole electrical arc cutting high-speed camera observation device and its application method |
| CN111044434B (en) * | 2019-12-31 | 2022-02-15 | 太原科技大学 | Simulation device and method for gas metal arc welding molten drop transition process |
| CN115415649A (en) * | 2022-09-06 | 2022-12-02 | 上海工程技术大学 | GMAW molten droplet bath image identification method and equipment based on long-wave filtering |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1448239A (en) * | 2003-04-03 | 2003-10-15 | 上海交通大学 | Arc-welding furnace hearth dynamic characteristic vision sensing method |
| CN1831641A (en) * | 2006-04-10 | 2006-09-13 | 中国海洋石油总公司 | High-speed photographic system of high pressure dry welding experimental system |
| CN1963663A (en) * | 2006-12-07 | 2007-05-16 | 上海交通大学 | Photography system for welding process of compound heat reservoir in carbon dioxide laser-melting argon-arc welding |
| CN201302644Y (en) * | 2008-11-27 | 2009-09-02 | 上海第二工业大学 | Weld pool image collecting and light-filtering device |
| CN104002069A (en) * | 2014-05-23 | 2014-08-27 | 哈尔滨工业大学（威海） | Underwater welding globular transfer real-time monitoring device and method |
| CN204906561U (en) * | 2015-05-15 | 2015-12-23 | 北京石油化工学院 | System of GMAW globular transfer image under dry -type hyperbaric environment shooting under water |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS577378A (en) * | 1980-06-13 | 1982-01-14 | Mitsubishi Heavy Ind Ltd | Monitoring device for arc welding |
| CN2324538Y (en) * | 1998-04-01 | 1999-06-16 | 北京石油化工学院 | Soldering seam melting width real time detector |
| JP2001318004A (en) * | 2000-05-02 | 2001-11-16 | Daihatsu Motor Co Ltd | Device and method for measuring molten droplet temperature distribution in arc welding |
| JP4853554B2 (en) * | 2009-07-27 | 2012-01-11 | 株式会社ニコン | Digital camera |
| CN202021424U (en) * | 2011-03-29 | 2011-11-02 | 东阳市双燕设备有限公司 | Laser wire filling welding machine with non-stable cavity and coaxial wire feed |
| CN103447659A (en) * | 2013-08-19 | 2013-12-18 | 天津大学 | Automatic flat welding device capable of shooting underwater arc and simulating different water depths |
-
2015
- 2015-05-15 CN CN201510250658.2A patent/CN104954739B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1448239A (en) * | 2003-04-03 | 2003-10-15 | 上海交通大学 | Arc-welding furnace hearth dynamic characteristic vision sensing method |
| CN1831641A (en) * | 2006-04-10 | 2006-09-13 | 中国海洋石油总公司 | High-speed photographic system of high pressure dry welding experimental system |
| CN1963663A (en) * | 2006-12-07 | 2007-05-16 | 上海交通大学 | Photography system for welding process of compound heat reservoir in carbon dioxide laser-melting argon-arc welding |
| CN201302644Y (en) * | 2008-11-27 | 2009-09-02 | 上海第二工业大学 | Weld pool image collecting and light-filtering device |
| CN104002069A (en) * | 2014-05-23 | 2014-08-27 | 哈尔滨工业大学（威海） | Underwater welding globular transfer real-time monitoring device and method |
| CN204906561U (en) * | 2015-05-15 | 2015-12-23 | 北京石油化工学院 | System of GMAW globular transfer image under dry -type hyperbaric environment shooting under water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104954739A (en) | 2015-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107980153B (en) | Method and apparatus for providing visual information associated with a welding operation | |
| CN104954739B (en) | A kind of GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment | |
| CA2821671C (en) | Welding training system | |
| CN109530955A (en) | The welding technological properties evaluating apparatus and method of gas shield welding wire | |
| CN204906561U (en) | System of GMAW globular transfer image under dry -type hyperbaric environment shooting under water | |
| JP6793791B2 (en) | HDR image capture and display system to improve real-time weld visualization and assistance | |
| CN107030352A (en) | Weld joint tracking vision sensor based on laser structure light | |
| CN109822224B (en) | Laser marking method and marking device | |
| CN106735784B (en) | A kind of welding gun holding device based on welding vision system | |
| CN206153729U (en) | Weld identifying and tracking sensors device suitable for high hot welding connects environment | |
| CN105982785A (en) | Wireless projection type welding mask and welding machine provided with same | |
| CN206074465U (en) | A kind of battery based on machine vision and connection sheet solder joint detection means | |
| CN107809986A (en) | Weld image capture and the user configuration of display in vision system | |
| CN209265169U (en) | A kind of multi-angle camera-shooting device | |
| CN204101477U (en) | A kind of equipment for detecting SMT printing stencil | |
| CN107199388A (en) | A kind of submerged-arc welding droplet transfer image taking and electrical signal collection system | |
| CN204971843U (en) | Wireless display formula auto -changing shade welds face guard and is equipped with its welding equipment | |
| CN109926693B (en) | Underwater wet welding molten drop bubble synchronous visual detection system and detection method | |
| CN106624418B (en) | A kind of application characteristic spectral line welding pool mobile monitoring method | |
| CN207440365U (en) | A kind of quick focusing machine visual lens | |
| CN208849904U (en) | A kind of metal 3D printing process monitor based on high definition camera captured in real-time | |
| CN107150158A (en) | Blind area weld seam online evaluation and control system based on thermal infrared imager | |
| CN101870030A (en) | Device and method for detecting visual reverse molten pool images in aluminum alloy TIG welding with additional auxiliary light source | |
| CN109807936A (en) | Robot welding visual sensor for weld seam and molten bath monocular dibit picture synchronization collection | |
| CN107790853A (en) | Ship's ladder robot broken line angle welding intelligent identification device and 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200904 Address after: 101300, No. two, 1 road, Shunyi Park, Zhongguancun science and Technology Park, Beijing, Shunyi District Patentee after: Guoqian Technology Group Co.,Ltd. Address before: 102600 Beijing Daxing District Huangcun Qingyuan Road No. 19 Patentee before: BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221017 Address after: 100000 No. 7, Yudong Road, Zone B, Tianzhu Airport Industrial Zone, Shunyi District, Beijing Patentee after: Beijing Sandi Technology Co.,Ltd. Address before: 101300 Shunyi District Zhongguancun Science Park, Shunyi Park, No. 1 Linkong Second Road, Shunyi District, Beijing Patentee before: Guoqian Technology Group Co.,Ltd. |