CN110788460A - Arc length adjuster - Google Patents
Arc length adjuster Download PDFInfo
- Publication number
- CN110788460A CN110788460A CN201911211719.9A CN201911211719A CN110788460A CN 110788460 A CN110788460 A CN 110788460A CN 201911211719 A CN201911211719 A CN 201911211719A CN 110788460 A CN110788460 A CN 110788460A
- Authority
- CN
- China
- Prior art keywords
- arc
- voltage
- welding
- arc length
- welding gun
- 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.)
- Pending
Links
Images
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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
Abstract
The invention relates to the technical field of welding, in particular to an arc length regulator. The electric arc length adjuster comprises a sliding mechanism, a welding gun fixing mechanism, a cooling mechanism and a signal collector, wherein a moving slide block guide groove is formed in the sliding mechanism and matched with a fixed block guide rail, the moving slide block is provided with the welding gun fixing mechanism, a welding gun is arranged on the welding gun fixing mechanism, the cooling mechanism is immersed in cooling water with an electrode corresponding to the welding gun, and the signal collector is connected with a welding loop. The arc length regulator of the invention ensures that the welding arc can stably burn, meanwhile, the length of the arc can be continuously regulated and can accurately measure the length of the arc, and the welding current and the arc welding voltage can be collected at the same time by controlling and collecting data through a circuit.
Description
Technical Field
The invention relates to the technical field of welding, in particular to an arc length regulator.
Background
In the prior art, a method for measuring static volt-ampere characteristics and arc voltage and arc length characteristics of direct current TIG (tungsten inert gas welding) arc adopts an experimental engineer to carry out manual welding and manually control arc combustion and arc length.
When the arc is controlled by manual welding, the welding arc is difficult to stabilize; and arc length cannot be measured; when the welding current and the arc welding voltage are measured, the welding current and the arc welding voltage cannot be simultaneously and accurately measured due to time errors, and therefore the errors are large.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention is directed to an arc length adjuster, which is used to solve the problem that the welding arc is difficult to stabilize when the arc is controlled by manual welding in the prior art; and arc length cannot be measured; when the welding current and the arc welding voltage are measured, the welding current and the arc welding voltage cannot be simultaneously and accurately measured due to time errors, and therefore the problem of large errors is solved.
To achieve the above and other related objects, the present invention provides an arc length adjuster comprising:
the welding gun fixing mechanism is provided with a welding gun;
the sliding mechanism is provided with the welding gun fixing mechanism;
a cooling mechanism in which an electrode corresponding to the welding torch is immersed in cooling water;
and the signal collector is connected with the welding loop.
In an embodiment of the present invention, the sliding mechanism includes:
the movable sliding block is fixedly connected with the welding gun fixing mechanism;
and the screw rod is fixedly connected with the movable sliding block.
In an embodiment of the present invention, the cooling mechanism includes:
an electrode corresponding to the welding gun to form a closed loop of a welding circuit with the welding gun;
the electrode is arranged in the water tank.
In an embodiment of the present invention, the signal collector includes:
the current collector is used for collecting a current signal of an electric arc of the welding loop;
the voltage collector is used for collecting a voltage signal of an electric arc of the welding loop;
the central processing unit is connected with the current collector and the voltage collector and is used for receiving and processing the current signals and the voltage signals to obtain processed current signals and processed voltage signals;
and the upper computer is used for receiving the processed current signals and voltage signals so as to obtain the static volt-ampere characteristic of the electric arc and the characteristic curve of the arc voltage and the arc length.
In an embodiment of the invention, the electrode is a copper block.
In an embodiment of the present invention, the welding gun fixing mechanism includes a welding gun holder and a welding gun, and an accommodating space for accommodating the welding gun is provided inside the welding gun holder.
In an embodiment of the invention, the accommodating space is cylindrical.
In an embodiment of the present invention, the sliding mechanism further includes:
and the fixed screw rod device is in threaded connection with the screw rod.
In an embodiment of the invention, the signal collector further includes a display, and the display is used for displaying the static volt-ampere characteristic and the arc voltage and arc length characteristic curve of the arc.
The invention also provides a method for measuring the static volt-ampere characteristic, the arc voltage and the arc length characteristic of the electric arc, which comprises the electric arc length regulator, wherein the method for measuring the static volt-ampere characteristic, the arc voltage and the arc length characteristic of the electric arc comprises the following steps:
continuously adjusting and measuring the arc length of the arc;
stable combustion of the electric arc;
collecting current signals of the electric arc;
collecting voltage signals of the electric arc;
receiving and processing the current signal and the voltage signal to obtain a processed current signal and a processed voltage signal;
and receiving the processed current signal and voltage signal to obtain and display the static volt-ampere characteristic and the arc voltage and arc length characteristic curve of the arc.
As described above, an arc length adjuster according to the present invention has the following advantageous effects:
the training device comprises a welding gun fixing mechanism, a sliding mechanism, a cooling mechanism and a signal collector, wherein a welding gun is arranged on the welding gun fixing mechanism, the arc length regulator enables the welding arc to be stably ignited, meanwhile, the length of the arc can be continuously regulated, the length of the arc can be accurately measured, and the welding current and the arc welding voltage can be accurately measured simultaneously.
The signal collector comprises a current collector, a voltage collector, a central processing unit and an upper computer, and the electronic circuit is adopted to process collected data, so that errors are eliminated while the collected data are ensured, and the collected data are output.
The method for measuring the static volt-ampere characteristic and the arc voltage and arc length characteristic curve of the electric arc overcomes the defects of complicated test work, low precision and the like of the experiment of the static characteristic and the arc voltage and arc length characteristic of the electric arc in the prior art.
Drawings
Fig. 1 is a schematic structural diagram of a sliding mechanism of an arc length adjuster according to an embodiment of the present disclosure.
Fig. 2 is a schematic structural diagram of a welding gun fixing mechanism of an arc length adjuster according to an embodiment of the present disclosure.
Fig. 3 is a schematic structural diagram of a signal collector of an arc length adjuster according to an embodiment of the present application.
Fig. 4 is a schematic working flow chart of a method for measuring a static volt-ampere characteristic and an arc voltage and arc length characteristic curve of an arc according to an embodiment of the present disclosure.
Fig. 5 is a schematic diagram of a working flow of a central processing unit of a method for measuring a static volt-ampere characteristic and an arc voltage and arc length characteristic curve of an arc according to an embodiment of the present application.
Description of the element reference numerals
1 central processing unit
2 Current collector
3 Voltage collector
4 upper computer
5 vidicon
6 display
7 welding gun fixing mechanism
10 fixed block guide rail
20 sliding mechanism
21 moving slide block
22 lead screw
23 fixed screw rod device
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a sliding mechanism of an arc length adjuster according to an embodiment of the present disclosure. Fig. 2 is a schematic structural diagram of a welding gun fixing mechanism of an arc length adjuster according to an embodiment of the present disclosure. The invention provides an electric arc length regulator which comprises a sliding mechanism 20, a welding gun fixing mechanism 7, a cooling mechanism and a signal collector. The sliding mechanism 20, specifically, the guide groove of the moving slider 21 is matched with the fixed block guide rail 10, so that the moving slider 21 can slide up and down on the fixed block guide rail 10. The fixed block guide 10 may be, but is not limited to, a guide rail, and the moving block 21 may be, but is not limited to, a guide groove. The welding gun fixing mechanism 7 is fixed on the movable sliding block 21, the welding gun fixing mechanism 7 comprises a welding gun support and a welding gun, and an accommodating space for accommodating the welding gun is formed in the welding gun support. The welding gun may be, but is not limited to, a circular welding gun, the inside of the accommodating space may be, but is not limited to, a truncated cone-shaped space, and the welding gun is disposed inside the truncated cone-shaped space, and the outside of the accommodating space may be, but is not limited to, a solid shape. The welding gun is used for clamping a tungsten electrode, conducting welding current, conveying argon and cooling the tungsten electrode, the tungsten electrode is used for igniting electric arcs through point discharge, and the tungsten electrode is used for maintaining continuous discharge under the protection of argon to ensure continuous arc ignition of the electric arcs. The cooling mechanism corresponds to the welding gun to form a closed loop of a welding circuit with the welding gun, specifically, the cooling mechanism comprises an electrode and a water tank, cooling water is arranged in the water tank, the electrode is arranged in the cooling water in the water tank and is slightly higher than the cooling water surface, the electrode can be but not limited to pure copper, and the electrode is used for conducting welding current so that the welding gun transmits the welding current to the copper electrode to form a welding arc. And the heat transmitted by the welding arc is absorbed, the water is cooled in the water tank, the cooling water can be but is not limited to water, and the cooling water has the function of circularly cooling the heat absorbed by the electrode, so that the electrode is prevented from being overheated to collapse, and the stable and unchanged arc length is ensured. The signal collector is connected with the welding loop, specifically, one end of the voltage signal collector is connected with the welding gun, the other end of the voltage signal collector is connected with the electrode, and the current signal collector is connected with a cable of the welding loop through a Hall current sensor. The arc length regulator of the invention is characterized in that a welding gun in the welding gun fixing mechanism 7 discharges to an electrode through the tip of a clamped tungsten electrode, the welding gun transmits welding current to the electrode through the tungsten electrode to form welding arc, the arc is ignited, continuous discharge is maintained under the protection of argon gas to ensure continuous arc burning of the arc, the electrode in cooling water in a water tank transmits the welding current and absorbs energy input by the welding arc, and then the welding current is cooled and counteracted by circulating cooling water in the water tank, so that stable arc burning of the arc is ensured. The sliding mechanism 20 comprises a movable slider 21, a screw rod 22 and a fixed screw rod device 23, the movable slider 21 is connected with the guide rail of the fixed block guide rail 10, the screw rod 22 is fixedly connected with the movable slider 21, the screw rod 22 is in threaded connection with the fixed screw rod device 23, the screw rod 22 passes through the thread on the fixed screw rod device 23, the screw rod 22 is rotated to move up and down in the thread of the fixed screw rod device 23, so as to drive the slider 21 to move, as a welding gun fixing mechanism 7 is fixed on the slider 21, the welding gun fixing mechanism 7 is further driven to move, as a welding gun is arranged on the welding gun fixing mechanism 7, the welding gun for welding is driven to move up and down, so as to adjust the distance between a tungsten electrode and an electrode held by the welding gun (the arc length during welding), so that the measured arc length is converted into the distance for measuring the up and, the distance of the up and down movement of the lead screw 22 can be measured, but is not limited to, using a straight ruler, so that the arc length adjuster of the present invention not only enables the welding arc to be stably struck. The length of the electric arc can be continuously adjusted, and the length of the electric arc can be conveniently and accurately measured. By using the cooling mechanism of the arc length adjuster of the invention, the obtained welding arc can be reliably and stably burnt in a non-contact way. By using the mechanical structure of the invention, the length of the electric arc is continuously adjusted and accurately measured under the stable arcing state of the welding electric arc. The microcomputer of the present invention is used to collect data, and can collect welding current and welding voltage in the same arc length for some time.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a signal collector of an arc length adjuster according to an embodiment of the present disclosure. The signal collector comprises a current collector 2, a voltage collector 3, a central processing unit 1 and an upper computer 4. The current collector 2 is used for collecting current signals of the electric arc. The voltage collector 3 is used for collecting voltage signals of the electric arc. Specifically, the current collector 2 and the voltage collector 3 simultaneously collect a current signal and a voltage signal of an arc formed in a closed loop between the welding gun and the electrode. Specifically, the current collector 2 may be, but is not limited to, a hall current sensor or a current transformer, and the model of the central processing unit 1 may be, but is not limited to, STM32F103ZET 6. The central processing unit 1 is connected with the current collector 2 and the voltage collector 3, and the central processing unit 1 is used for receiving and processing the current signals and the voltage signals to obtain processed current signals and processed voltage signals. And the upper computer 4 is used for receiving the processed current signal and voltage signal so as to obtain the static volt-ampere characteristic and arc voltage and arc length characteristic curve of the argon tungsten-arc welding arc. The signal collector also comprises a display 6, and the display 6 is used for displaying the static volt-ampere characteristic and the arc voltage and arc length characteristic curve of the arc. The signal collector also comprises a camera 5. The current collector 2 and the voltage collector 3 can measure 45Hz to 60Hz alternating current, alternating voltage, frequency and other electrical parameters, direct current and direct voltage, communicate with the central processing unit 1 to transmit collected current data and voltage data to the central processing unit 1, the central processing unit 1 communicates with the upper computer 4 through a serial port to upload obtained current signals and voltage signals to the upper computer 4, and the static volt-ampere characteristic and arc voltage and arc length characteristic curve of the arc are obtained by compiling calculation information on the upper computer 4. The host computer 4 is connected with the camera 5 through a USB, the camera 5 collects field image data, the host computer 4 is connected with the display 6 through a VGA interface, and the static volt-ampere characteristic, the arc voltage, the arc length characteristic curve and the field image of the electric arc are displayed. The electric arc length regulator of the invention can continuously regulate the length of the electric arc under the stable burning state of the electric arc, and can conveniently and accurately measure the length of the electric arc. The arc length regulator of the invention not only has reliable performance, but also overcomes the defects of complicated test work, low precision and the like of the prior arc static characteristic and arc voltage and arc length characteristic experiment. The arc length regulator of the invention not only can test the static characteristics and the arc voltage and arc length characteristics of the arc, but also can test the influence of different gas media on the arc.
Referring to fig. 4 and 5, fig. 4 is a schematic diagram illustrating a working flow of a method for measuring a static volt-ampere characteristic and an arc voltage and arc length characteristic curve of an arc according to an embodiment of the present application. Fig. 5 is a schematic diagram of a working flow of a central processing unit of a method for measuring a static volt-ampere characteristic and an arc voltage and arc length characteristic curve of an arc according to an embodiment of the present application. The invention also provides a method for measuring the static volt-ampere characteristic, the arc voltage and the arc length characteristic of the electric arc, which comprises the electric arc length regulator, wherein the method for measuring the static volt-ampere characteristic, the arc voltage and the arc length characteristic of the electric arc comprises the following steps: s1, continuously adjusting and measuring the arc length of the arc. And S2, arc stable combustion. And S3, collecting current signals of the arc. And S4, collecting voltage signals of the arc. And S5, receiving and processing the current signal and the voltage signal to obtain a processed current signal and a processed voltage signal. And S6, receiving the processed current signal and voltage signal to obtain the static volt-ampere characteristic and arc voltage and arc length characteristic curve of the arc. Specifically, the current signal of the arc is collected in step S3 and the voltage signal of the arc is collected in step S4 at the same time, and the current signal of the arc and the voltage signal of the arc are collected at the same time. Before the acquisition, the initialization operation of the central processing unit 1 is required, and the initialization operation includes, but is not limited to, initializing a serial port of the central processing unit 1, initializing an ADC (analog-to-digital converter) of the central processing unit 1, and reading and processing a current signal of an arc and a voltage signal of the arc. The current collector 2 collects current signals of the arc, and the current signals collected include but are not limited to initializing clock enable signals, initializing ADC signals, enabling the ADC signals, reading the ADC signals and calculating current values. The voltage collector 3 collects voltage signals of the electric arc, wherein the collected voltage signals of the electric arc include but are not limited to initialization clock enabling signals, initialization serial port signals, enabling serial port signals, receiving and sending serial port signals and calculating a voltage value. And receiving the processed current signal and voltage signal through the upper computer 4 to obtain the static volt-ampere characteristic and arc voltage and arc length characteristic curve of the arc. The method for measuring the static volt-ampere characteristic and the arc voltage and arc length characteristic curve of the electric arc overcomes the defects of complicated test work, low precision and the like of the experiment of the static characteristic and the arc voltage and arc length characteristic of the electric arc in the prior art.
In summary, the training device of the present invention comprises a sliding mechanism 20, a welding gun fixing mechanism 7, a circulating cooling mechanism and a signal collector, wherein a welding gun is installed on the welding gun fixing mechanism 7, the arc length adjuster of the present invention enables stable arc burning of the welding arc, the length of the arc can be continuously adjusted, the arc length can be accurately measured, and the present invention can also accurately measure the welding current and the arc welding voltage at the same time.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An arc length adjuster, characterized in that it comprises:
the welding gun fixing mechanism is provided with a welding gun;
the sliding mechanism is provided with the welding gun fixing mechanism;
a cooling mechanism in which an electrode corresponding to the welding torch is immersed in cooling water;
and the signal collector is connected with the welding loop.
2. The arc length adjuster according to claim 1, wherein the sliding mechanism comprises:
the movable sliding block is fixedly connected with the welding gun fixing mechanism;
and the screw rod is fixedly connected with the movable sliding block.
3. An arc length adjuster according to claim 1, wherein said cooling mechanism comprises:
an electrode corresponding to the welding gun to form a closed loop of a welding circuit with the welding gun;
the electrode is arranged in the water tank.
4. The arc length regulator of claim 1, wherein the signal collector comprises:
the current collector is used for collecting a current signal of an electric arc of the welding loop;
the voltage collector is used for collecting a voltage signal of an electric arc of the welding loop;
the central processing unit is connected with the current collector and the voltage collector and is used for receiving and processing the current signals and the voltage signals to obtain processed current signals and processed voltage signals;
and the upper computer is used for receiving the processed current signals and voltage signals so as to obtain the static volt-ampere characteristic of the electric arc and the characteristic curve of the arc voltage and the arc length.
5. An arc length adjuster according to claim 3, wherein: the electrodes are copper blocks.
6. An arc length adjuster according to claim 1, wherein: the welding gun fixing mechanism comprises a welding gun support and a welding gun, and an accommodating space for accommodating the welding gun is formed in the welding gun support.
7. An arc length adjuster according to claim 6, wherein: the accommodating space is cylindrical.
8. The arc length adjuster according to claim 2, wherein said sliding mechanism further comprises:
and the fixed screw rod device is in threaded connection with the screw rod.
9. An arc length adjuster according to claim 4, wherein: the signal collector also comprises a display, and the display is used for displaying the static volt-ampere characteristic and the arc voltage and arc length characteristic curve of the electric arc.
10. The method for measuring the static volt-ampere characteristic and the arc voltage and arc length characteristic curve of the electric arc is characterized in that: the method for measuring the static volt-ampere characteristic and the arc voltage and arc length characteristic of the arc, which comprises the arc length adjuster according to any one of claims 1 to 9, comprises the steps of:
continuously adjusting and measuring the arc length of the arc;
stable combustion of the electric arc;
collecting current signals of the electric arc;
collecting voltage signals of the electric arc;
receiving and processing the current signal and the voltage signal to obtain a processed current signal and a processed voltage signal;
and receiving the processed current signal and voltage signal to obtain and display the static volt-ampere characteristic and the arc voltage and arc length characteristic curve of the arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911211719.9A CN110788460A (en) | 2019-12-02 | 2019-12-02 | Arc length adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911211719.9A CN110788460A (en) | 2019-12-02 | 2019-12-02 | Arc length adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110788460A true CN110788460A (en) | 2020-02-14 |
Family
ID=69447155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911211719.9A Pending CN110788460A (en) | 2019-12-02 | 2019-12-02 | Arc length adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110788460A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053214A (en) * | 2021-03-10 | 2021-06-29 | 中国石油大学(华东) | Welding arc static characteristic testing method, system, device and application |
| CN113053224A (en) * | 2021-03-10 | 2021-06-29 | 中国石油大学(华东) | Teaching control system and method for welding power supply external characteristic test experiment |
| CN114523177A (en) * | 2020-11-23 | 2022-05-24 | 无锡塔尔基热交换器科技有限公司 | TIG welding tungsten bar extension length management and control tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05123864A (en) * | 1991-10-31 | 1993-05-21 | Matsushita Electric Ind Co Ltd | Nonconsumable electrode arc welding machine |
| CN102043079A (en) * | 2009-10-20 | 2011-05-04 | 宝山钢铁股份有限公司 | Arc characteristic detecting device and method |
| US20140131333A1 (en) * | 2012-11-13 | 2014-05-15 | Adaptive Intelligent Systems Llc | Method to monitor and control weld penetration in gas tungsten welding and full-position pipe welding |
| CN106644177A (en) * | 2017-01-06 | 2017-05-10 | 北京工业大学 | Method for measuring AC welding arc heat output |
| CN106881516A (en) * | 2017-02-22 | 2017-06-23 | 重庆理工大学 | A kind of method that utilization arc voltage signal monitors electric arc arc length |
| CN109290659A (en) * | 2018-09-25 | 2019-02-01 | 北京机械设备研究所 | A kind of arc length measuring device and its method |
-
2019
- 2019-12-02 CN CN201911211719.9A patent/CN110788460A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05123864A (en) * | 1991-10-31 | 1993-05-21 | Matsushita Electric Ind Co Ltd | Nonconsumable electrode arc welding machine |
| CN102043079A (en) * | 2009-10-20 | 2011-05-04 | 宝山钢铁股份有限公司 | Arc characteristic detecting device and method |
| US20140131333A1 (en) * | 2012-11-13 | 2014-05-15 | Adaptive Intelligent Systems Llc | Method to monitor and control weld penetration in gas tungsten welding and full-position pipe welding |
| CN106644177A (en) * | 2017-01-06 | 2017-05-10 | 北京工业大学 | Method for measuring AC welding arc heat output |
| CN106881516A (en) * | 2017-02-22 | 2017-06-23 | 重庆理工大学 | A kind of method that utilization arc voltage signal monitors electric arc arc length |
| CN109290659A (en) * | 2018-09-25 | 2019-02-01 | 北京机械设备研究所 | A kind of arc length measuring device and its method |
Non-Patent Citations (2)
| Title |
|---|
| 单俊: "基于复合传感的GTAW三维焊缝位姿跟踪", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
| 唐晓军 等: "《焊接实验》", 31 October 2014, 合肥工业大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523177A (en) * | 2020-11-23 | 2022-05-24 | 无锡塔尔基热交换器科技有限公司 | TIG welding tungsten bar extension length management and control tool |
| CN113053214A (en) * | 2021-03-10 | 2021-06-29 | 中国石油大学(华东) | Welding arc static characteristic testing method, system, device and application |
| CN113053224A (en) * | 2021-03-10 | 2021-06-29 | 中国石油大学(华东) | Teaching control system and method for welding power supply external characteristic test experiment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110788460A (en) | Arc length adjuster | |
| CN213302427U (en) | Test circuit, test device and test system of resistance chip | |
| CN101975908B (en) | A kind of test tool for electric performance of connector | |
| CN106443544B (en) | A kind of contactless electrometer calibrating installation and method | |
| CN105021492A (en) | Apparatus for testing cable heating and combustion characteristics under effect of simulating fault arc | |
| CN108414017A (en) | One kind is for electric connector plug simulation test device and test method | |
| CN203310367U (en) | Variable-resistance type measuring probe | |
| CN203433087U (en) | PCB board test device | |
| WO2017165998A1 (en) | Three-axis linkage automatic soldering machine | |
| JP6112916B2 (en) | TIG welding equipment | |
| KR101202723B1 (en) | Measurement device for resistance and resistivity of cable | |
| CN109290659A (en) | A kind of arc length measuring device and its method | |
| CN212871404U (en) | Steam drum water level monitoring device | |
| JP6259341B2 (en) | Joining device | |
| CN207380185U (en) | A kind of artificial puncture device of electric wire spark machine sensitivity calibrating instrument | |
| CN113053214A (en) | Welding arc static characteristic testing method, system, device and application | |
| CN201173957Y (en) | Wire great current impact test device | |
| CN203956288U (en) | A kind of solder stick rosin tester that splashes | |
| CN112731106A (en) | Multi-optical composite sensor circuit board nondestructive rapid testing device | |
| RU131180U1 (en) | DEVICE FOR DETERMINING DENSITY OF METAL MELTS | |
| CN107525995B (en) | Line calibration auxiliary equipment | |
| CN207691965U (en) | The burnt section all-in-one machine of horizontal burning four | |
| CN106091891A (en) | A kind of chemical pipeline pit depth rapid measurement device | |
| CN113053224A (en) | Teaching control system and method for welding power supply external characteristic test experiment | |
| CN105759152A (en) | Tool for quickly testing electrical property of power transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |