CN104954739A - GMAW (Gas metal arc welding) globular transfer image shooting system used in underwater dry type high-pressure environment - Google Patents
GMAW (Gas metal arc welding) globular transfer image shooting system used in underwater dry type high-pressure environment Download PDFInfo
- Publication number
- CN104954739A CN104954739A CN201510250658.2A CN201510250658A CN104954739A CN 104954739 A CN104954739 A CN 104954739A CN 201510250658 A CN201510250658 A CN 201510250658A CN 104954739 A CN104954739 A CN 104954739A
- Authority
- CN
- China
- Prior art keywords
- speed camera
- transfer image
- gmaw
- xenon lamp
- droplet transfer
- 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
Landscapes
- Arc Welding In General (AREA)
- Stroboscope Apparatuses (AREA)
Abstract
The invention discloses a GMAW (gas metal arc welding) globular transfer image shooting system used in an underwater dry type high-pressure environment. A melting electrode welding torch is arranged in a high-pressure welding test cabin; an xenon lamp and a high-speed camera are respectively placed on two sides of the melting electrode welding torch; the tail end of a welding wire of the melting electrode welding torch are positioned at a focal point of the high-speed camera and a focal point of the xenon lamp; a lens center of the high-speed camera, the tail end of the welding wire and a light source center of the xenon lamp are coaxial and collinear; a lens of the high-speed camera is a micro-lens and is connected with a band-pass filter with center frequency of 632.8mm; a focusing lens is arranged in front of the xenon lamp; and the high-speed camera is connected with a control display device. The GMAW globular transfer image shooting system can be used for shooting GMAW globular transfer images in a pressure environment of which the pressure is 0.6MPa, the pressure of the pressure environment is equal to the pressure of water distant from the water surface by 60m, and clear and soft globular transfer and electric arc shape images can be obtained.
Description
Technical field
The present invention relates to a kind of underwater welding technology, particularly relate to the GMAW droplet transfer image capturing apparatus under a kind of underwater dry-type hyperbaric environment.
Background technology
In GMAW welding process, whether electric arc is stablized, the size and number of splashing metal, molten bath motion state and appearance of weld etc. subsequently, the droplet shape formed when all melting with welding wire end and transition state relevant.Compared with photographing with ordinary people's picture or scenery, Welding Molten Drop transient process has subject picture little (ordinary circumstance is less than 10mm × 10mm), molten drop transition frequency high (tens to hundreds of hertz), molten drop passes through the features such as arc space speed fast (can reach tens meters per second).And high speed photography is as the means of testing of a kind of advanced person, the spatial information of high speed motions or high speed transient process and temporal information is linked together, recording its trickle process, through being usually used in the research of the processes such as droplet transfer.
Under water under dry-type high-voltage environment, in its arc behavior and droplet transfer process and atmospheric environment, there is very large difference.Realize the welding process of continous-stable, ensure welding quality, High-speed Photography Technology must be adopted to carry out deep observation and analysis to the stability of welding arc and droplet transfer mode.And under high-pressure sealed environment; molten drop shroud by the electric arc of high temperature, high brightness; welding fume is dense; usually also with a large amount of splashings; visibility is low, and field of view is poor, in prior art; be directed to the shooting of the clear droplet transfer image under 0.6MPa hyperbaric environment, lack the scheme of relevant feasibility.
Summary of the invention
The object of this invention is to provide a kind of under the high-air pressure compressed air condition of below 0.6MPa, obtain the GMAW droplet transfer image capturing apparatus under the underwater dry-type hyperbaric environment of clear soft droplet transfer and arc shape image.
The object of the invention is to be achieved through the following technical solutions:
GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment of the present invention, consumable electrode welding torch is provided with in hyperbaric welding test chambe, it is characterized in that, in described hyperbaric welding test chambe, xenon lamp and high-speed camera are placed in respectively the both sides of described consumable electrode welding torch, the wire tip of described consumable electrode welding torch is positioned at the focus of described high-speed camera and the focal position of described xenon lamp simultaneously.
As seen from the above technical solution provided by the invention, GMAW droplet transfer image capturing apparatus under the underwater dry-type hyperbaric environment that the embodiment of the present invention provides, due in described hyperbaric welding test chambe, xenon lamp and high-speed camera are placed in respectively the both sides of consumable electrode welding torch, the wire tip of consumable electrode welding torch is positioned at the focus of high-speed camera and the focal position of described xenon lamp simultaneously, can by xenon lamp in cabin of making rational planning for, high-speed camera, relative distance between consumable electrode welding torch three, and according to xenon lamp, high-speed camera, the relative position of consumable electrode welding torch, regulate the focal length of high-speed camera, aperture, time for exposure, the focal length of xenon lamp, match rational filter, can realize under the pressure environment of 0.6MPa (being equivalent to the 60m depth of water), clearly photograph droplet transfer and arc shape, to meet under hyperbaric environment field of view demand clearly.This method is applicable to GMAW, TIG under hyperbaric environment and pulses new welding process exploitation, the development of the source of welding current and the researchs of arcing mechanism such as landfilling area, laserHybrid welding, laser-enhanced weldering.
Accompanying drawing explanation
The structural representation of the GMAW droplet transfer image capturing apparatus under the underwater dry-type hyperbaric environment that Fig. 1 provides for the embodiment of the present invention.
Fig. 2 is the not GMAW droplet transfer image in the same time under 0.6MPa in the embodiment of the present invention (being equivalent to 60m depth of water environment) pressure.
Embodiment
To be described in further detail the embodiment of the present invention below.
GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment of the present invention, its preferably embodiment be:
Consumable electrode welding torch is provided with in hyperbaric welding test chambe, in described hyperbaric welding test chambe, xenon lamp and high-speed camera are placed in respectively the both sides of described consumable electrode welding torch, the wire tip of described consumable electrode welding torch is positioned at the focus of described high-speed camera and the focal position of described xenon lamp simultaneously.
Light source center 3 coaxial conllinear of the optical center of described high-speed camera, described wire tip, described xenon lamp.
The camera lens of described high-speed camera adopts micro-lens.
The camera lens of described high-speed camera is connected with filter.
Be threaded connection between the camera lens of described high-speed camera and described filter.
Described filter adopts centre frequency to be the bandpass filter of 632.8mm.
One or more condenser lens is provided with before described xenon lamp.
Described high-speed camera is connected with control display unit.
GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment of the present invention, can be used for the GMAW droplet transfer image taking under 0.6MPa (being equivalent to the 60m depth of water) pressure environment, realize under the high-air pressure compressed air condition of below 0.6MPa, obtain clear soft droplet transfer and arc shape image.
In embody rule of the present invention, by the relative distance between xenon lamp of making rational planning for, high-speed camera, consumable electrode welding torch three, and the relative position of foundation xenon lamp, high-speed camera, consumable electrode welding torch, regulate the focal length of the focal length of high-speed camera, aperture, time for exposure and xenon lamp, make wire tip be positioned at the focal position of high-speed camera, xenon lamp simultaneously.
Described high-speed camera is connected with and controls display unit (CDU), real-time display recording state, confirm that described wire tip is in the focus of described high-speed camera and described xenon lamp simultaneously, light source center 3 coaxial conllinear of the optical center of described high-speed camera, described wire tip, described xenon lamp.
The camera lens of described high-speed camera adopts micro-lens; Described high-speed camera camera lens is threaded with filter eyeglass;
Described filter adopts centre frequency to be the bandpass filter of 632.8mm, and filtering is as the royal purple light of arc light chief component.
Described high-speed camera aperture standard-sized sheet, when aperture time is 20 μ s, can obtain the optimal value of transfer manner of droplet and arc shape picture quality under enclosed high pressure environment.
Described xenon source focus adjustable.
The present invention is by the relative distance in cabin of making rational planning between xenon lamp, high-speed camera, consumable electrode welding torch three, and the relative position of foundation xenon lamp, high-speed camera, consumable electrode welding torch, regulate the focal length of high-speed camera, aperture, time for exposure, the focal length of xenon lamp, match rational filter, can realize at 0.6MPa, under being equivalent to the pressure environment of the 60m depth of water, clearly photograph droplet transfer and arc shape, to meet under hyperbaric environment field of view demand clearly.This method is applicable to GMAW, TIG under hyperbaric environment and pulses new welding process exploitation, the development of the source of welding current and the researchs of arcing mechanism such as landfilling area, laserHybrid welding, laser-enhanced weldering.
Specific embodiment:
As shown in Figure 1, be the GMAW droplet transfer image capturing apparatus under a kind of underwater dry-type hyperbaric environment, in hyperbaric welding test chambe, xenon lamp, high-speed camera be placed in consumable electrode welding torch both sides;
Described high-speed camera adopts micro-lens, and camera lens is rotary with the bandpass filter that centre frequency is 632.8mm, filtering is as the royal purple light of arc light chief component.
Described high-speed camera is connected, for showing recording state in real time with control display unit (CDU).
Described high-speed camera is connected with gigabit Ethernet, local to PC for gathering gained image data transmission.Described gigabit Ethernet one end connects the high-speed camera being positioned at cabin, and the other end, through crossing cabin flange, connects the PC be positioned at out of my cabin.
Described high-speed camera is placed in protective cover, and during work, protective cover outside is the high-air pressure compressed air of 0.6MPa, and inside is atmospheric pressure environment.Under described high-speed camera always works in atmospheric pressure environment, thus reduce high pressure damage is caused to high-speed camera components and parts.
The relative distance of making rational planning between xenon lamp, high-speed camera, consumable electrode welding torch three, the distance of setting high-speed video camera and xenon lamp is L2, and the distance of xenon lamp and welding wire is L3.It is the condenser lens of L1 that two spacing are equipped with in described xenon lamp inside, by regulating the length of L1, can determine the position of described xenon lamp focus further.
Regulate L1 and L3, until wire tip position is most bright spot, be the focus of described xenon source.The frame speed of described high-speed camera is set as 2000 frames/s, and the time for exposure is set as 20 μ s.Regulate the angle of described high-speed camera, the relative altitude of described high-speed camera and described xenon lamp, described wire tip, simultaneously and regulate L2, until control display unit (CDU) to occur circular light spot clearly.
Regulate high-speed camera focal position, until control display unit to occur wire tip picture clearly.
Shift out control display unit, sealed by high-speed camera machine protective cover, gained view data is derived by gigabit Ethernet, imports in PC this locality, carries out welding process off-line analysis.
The 0.6MPa that Fig. 2 provides for the embodiment of the present invention, is equivalent to the not GMAW droplet transfer image in the same time under 60m depth of water ambient pressure.Molten drop and arc shape under hyperbaric environment clearly can be observed from figure.Under 0.6MPa hyperbaric environment, welding current 150A, weldingvoltage 30V, now in droplet transfer process, electric arc is in the burning of molten drop side, and molten drop upwarps, overall higher than wire tip, and is suspended from welding wire axis side.Be torn under the effect of electric arc repulsive force and float in welding pool.
Those skilled in the art can be well understood to, for convenience and simplicity of description, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by device is divided into different functional modules, to complete all or part of function described above.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (8)
1. the GMAW droplet transfer image capturing apparatus under a underwater dry-type hyperbaric environment, consumable electrode welding torch is provided with in hyperbaric welding test chambe, it is characterized in that, in described hyperbaric welding test chambe, xenon lamp and high-speed camera are placed in respectively the both sides of described consumable electrode welding torch, the wire tip of described consumable electrode welding torch is positioned at the focus of described high-speed camera and the focal position of described xenon lamp simultaneously.
2. the GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment according to claim 1, is characterized in that, light source center 3 coaxial conllinear of the optical center of described high-speed camera, described wire tip, described xenon lamp.
3. the GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment according to claim 2, is characterized in that, the camera lens of described high-speed camera adopts micro-lens.
4. the GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment according to claim 3, it is characterized in that, the camera lens of described high-speed camera is connected with filter.
5. the GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment according to claim 4, is characterized in that, is threaded connection between the camera lens of described high-speed camera and described filter.
6. the GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment according to claim 5, is characterized in that, described filter adopts centre frequency to be the bandpass filter of 632.8mm.
7. the GMAW droplet transfer image capturing apparatus under underwater dry-type hyperbaric environment according to claim 6, is characterized in that, be provided with one or more condenser lens before described xenon lamp.
8. the GMAW droplet transfer image capturing apparatus under the underwater dry-type hyperbaric environment according to any one of claim 1 to 7, it is characterized in that, described high-speed camera is connected with control display unit.
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 true CN104954739A (en) | 2015-09-30 |
| CN104954739B 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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834550A (en) * | 2016-05-13 | 2016-08-10 | 江苏科技大学 | High-speed photographing observing device for underwater consumable electrode electric arc cutting and application method of high-speed photographing observing device |
| CN111044434A (en) * | 2019-12-31 | 2020-04-21 | 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 (12)
| 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 |
| 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 |
| US20110032375A1 (en) * | 2009-07-27 | 2011-02-10 | Nikon Corporation | Imaging device |
| 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 |
| 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 |
-
2015
- 2015-05-15 CN CN201510250658.2A patent/CN104954739B/en active Active
Patent Citations (12)
| 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 |
| 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 |
| US20110032375A1 (en) * | 2009-07-27 | 2011-02-10 | Nikon Corporation | Imaging device |
| 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 |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834550A (en) * | 2016-05-13 | 2016-08-10 | 江苏科技大学 | High-speed photographing observing device for underwater consumable electrode electric arc cutting and application method of high-speed photographing observing device |
| CN111044434A (en) * | 2019-12-31 | 2020-04-21 | 太原科技大学 | Simulation device and method for gas metal arc welding molten drop transition process |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104954739B (en) | 2018-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11862035B2 (en) | Methods and apparatus to provide visual information associated with welding operations | |
| US11140939B2 (en) | Sensor assisted head mounted displays for welding | |
| US10930174B2 (en) | Systems and methods providing a computerized eyewear device to aid in welding | |
| US9056365B2 (en) | Monitoring module for monitoring a process with an electric arc | |
| US20160125653A1 (en) | Stereoscopic helmet display | |
| CN204906561U (en) | System of GMAW globular transfer image under dry -type hyperbaric environment shooting under water | |
| US11122257B2 (en) | HDR image capture and display system for enhanced real-time welding visualization and assistance | |
| CN104002069B (en) | Underwater welding droplet transfer real-time monitoring device and method | |
| CN104954739A (en) | GMAW (Gas metal arc welding) globular transfer image shooting system used in underwater dry type high-pressure environment | |
| CN201940727U (en) | Multifunctional arc welding visual monitoring device | |
| CN206074465U (en) | A kind of battery based on machine vision and connection sheet solder joint detection means | |
| CN107199388A (en) | A kind of submerged-arc welding droplet transfer image taking and electrical signal collection system | |
| CN107809986A (en) | Weld image capture and the user configuration of display in vision system | |
| CN105583546A (en) | Real-time monitoring device and method for simulated underwater welding droplet transfer | |
| CN109807936A (en) | Robot welding visual sensor for weld seam and molten bath monocular dibit picture synchronization collection | |
| CN210775273U (en) | Battery image shooting system | |
| CN106624418B (en) | A kind of application characteristic spectral line welding pool mobile monitoring method | |
| CN209265169U (en) | A kind of multi-angle camera-shooting device | |
| CN109926693B (en) | Underwater wet welding molten drop bubble synchronous visual detection system and detection method | |
| JP7373896B2 (en) | System and method for providing computerized eyewear equipment to assist in welding | |
| CN110587073A (en) | Robot welding binocular vision sensing device based on micro stepping motor lead screw transmission | |
| CN205166119U (en) | Friendly mutual auxiliary device of clear visual molten bath control | |
| CN205647741U (en) | Laser rangefinder is assisted in highspeed camera focal length setting | |
| CN205787348U (en) | A kind of monocular is spliced into the night vision device of binocular | |
| CN214794517U (en) | Synchronous detection device for observing inner hole cladding quality |
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. |