CN102049636A - Welding fume processing device and method for detecting arc light sensing signal - Google Patents
Welding fume processing device and method for detecting arc light sensing signal Download PDFInfo
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- CN102049636A CN102049636A CN2009100447404A CN200910044740A CN102049636A CN 102049636 A CN102049636 A CN 102049636A CN 2009100447404 A CN2009100447404 A CN 2009100447404A CN 200910044740 A CN200910044740 A CN 200910044740A CN 102049636 A CN102049636 A CN 102049636A
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Abstract
The invention discloses a welding fume processing device and a method for detecting an arc light sensing signal. The welding fume processing device comprises an arc light sensor, a fume inlet, a driving device and a fume pipe, wherein the fume inlet is connected with the fume pipe; a plurality of arc light sensors are arranged on the periphery of the fume inlet; the arc light sensors are connected with the driving device through circuits; a deviation signal is generated according to the deviation condition of the inlet and a welded point, the posture of the inlet is regulated by a welding fume weld joint tracking driving device, and thus the tracking of the welding position is realized. A welding fume capturing system requires small investment, is low in cost, reduces labor intensity and improves working efficiency. The detection method comprises the following steps that: (1) the arc light sensors calculate and give reference values; (2) the output signals of the welding arc light sensors are amplified, filtered and reshaped to form reaction arc light sensor and welded point position and distance correspondence effective signals; (3) inlet and welded point deviation information is acquired by sampling the effective signals obtained by the step (2); (4) according to the deviation information obtained by the step (3), inlet posture regulation information is obtained; (5) the inlet posture is regulated according to the posture regulation information obtained by the step (4); and (6) the system perform steps (2), (3), (4) and (5) circularly.
Description
Technical field:
The present invention relates to environmental protection equipment, be specifically related to the detection method of a kind of weld fumes treating apparatus and arc light sensor signal.
Background technology:
Can produce a large amount of flue dust and flue gas in the welding process, its Main Ingredients and Appearance is metal oxides such as iron and manganese, particle mean size is 0.1um-1.25um, can directly be sucked lung by human body, and contain a large amount of poisonous and harmful substances in the weld fumes, the long-term weld fumes that sucks is very big to human health damage.
The operating mode that factories and miness large-scale workpiece, welding position are fixing, fusion length is long adopts the air-breathing welding gun of band flue dust seizure, air-breathing welding mask, this soot processing device that the band flue dust is caught usually, strengthened the weight of instrument, increase working strength of workers, reduced operating efficiency; Large-scale top inhale cover or workplace etc. mode, need big air-breathing air quantity, investment is big, use cost is higher.
Summary of the invention:
The object of the present invention is to provide a kind of weld fumes treating apparatus.And can not increase working strength of workers, increase work efficiency; Invest little, use cost is low.Another object of the present invention is to provide a kind of detection method of soot processing device arc light sensor signal.
The object of the present invention is achieved like this, this weld fumes treating apparatus, comprise arc photosensor, flue dust air inlet, drive unit, fume ducts, the flue dust air inlet is connected with fume ducts, flue dust air inlet edge is provided with a plurality of arc photosensors, and arc photosensor is connected with drive unit by circuit.
Described a plurality of arc photosensor is positioned at same plane, and the center line of the center line of each arc photosensor and air inlet meets at a bit in the space jointly.
Because flue dust air inlet edge is provided with a plurality of arc photosensors, arc photosensor is connected with drive unit by circuit, according to its deviation signal of producing of air inlet and the pad deviation situation in real time of weld fumes trap setting whether, after deviation signal process amplification filtering shaping processing, judge by system processor whether air inlet departs from weld seam, adjust the attitude of air inlet by weld fumes weld joint tracking drive unit, reach the real-time tracking welding position, thereby realize following the tracks of weld fumes, guarantee that air inlet is fixed with real-time weld locations relative position in the welding process, thereby realize the purpose of the automatic trace trap of weld fumes.
A plurality of arc photosensors are positioned at same plane, and the center line of the center line of each arc photosensor and air inlet meets at a bit in the space jointly, realize that the automatic trace trap of weld fumes is more accurate.
In sum, owing to the mode of real-time tracking welding position, greatly reduce the requirement of the intake of weld fumes capture system, energy demand when having reduced work, the automatic trace trap weld fumes of system is respond well, stable and reliable operation, practical, invest little, use cost is low; Also improved the automation and the intelligent degree of system, working strength of workers is low, has improved operating efficiency, has reduced system cost.
Method with described weld fumes treating apparatus detection arc light sensor signal may further comprise the steps:
System processor is gathered the signal of each arc photosensor when (1) welding first, writes down and calculate the reference value of deciding of respectively welding arc photosensor;
(2) respectively weld the arc photosensor output signal after the amplification filtering shaping, obtain reacting arc photosensor and weld locations apart from the corresponding useful signal of distance;
(3) system processor is sampled to the useful signal that step (2) is gone out, and compare with the given corresponding arc photosensor reference value of step (1), obtain the deviation of each arc photosensor, the comprehensive deviation of each arc photosensor is obtained the attitude misalignment information of flue dust air inlet and pad;
(4). according to the deviation information of step (3), system processor provides air inlet attitude adjustment information;
(5). flue dust is followed the tracks of drive unit and is adjusted the air inlet attitude according to step (4) attitude adjustment information control corresponding motor;
(6). system circulates to step (2) to step (5).
Described step (2) is respectively welded the arc photosensor output signal and is followed the distance of arc sensor and weld locations to have uniqueness.
The described air inlet attitude misalignment of step (3) information is only worked as deviation information greater than certain threshold value, provides weld fumes again and follows the tracks of the drive unit corresponding informance.
Description of drawings:
Fig. 1 is the structural representation of weld fumes treating apparatus.
Fig. 2 is the welding arc photosensor structural representation of weld fumes treating apparatus.
Fig. 3 is a weld fumes treating apparatus arc photosensor circuit block diagram.
The specific embodiment:
Referring to Fig. 1, Fig. 2, Fig. 3,1 workpiece, 2 arc photosensors, 3 flue dust air inlets, 4 drive units, 5 and 6 are that weld fumes pipeline, 7 smoke treatment devices, 8 are welding gun, 9 is real-time pad, and 10 sensor front end face shields, 11 light damping plates, 12 filter plates, 13 are that infrared sensor or Ultraviolet sensor or vision sensor, 14 are holding wire for shell, 15.
This weld fumes treating apparatus, comprise arc photosensor 2, flue dust air inlet 3, drive unit 4, fume ducts 5,6, flue dust air inlet 3 is connected with fume ducts 5,6, flue dust air inlet 3 edges are provided with a plurality of arc photosensors 2, arc photosensor 2 is connected with drive unit 4 by circuit 15, and drive unit 4 is made up of system processor and electromechanical control equipment commonly used.
According to its deviation signal of producing of air inlet 3 and the pad 9 deviation situations in real time of weld fumes trap setting whether, judge by system processor whether air inlet 3 departs from pad 9, adjust the attitude of air inlet 3 by following the tracks of drive unit 4, reach real-time tracking pad 9, thereby realize following the tracks of weld fumes, guarantee that air inlet is fixed with real-time weld locations relative position in the welding process, thereby realize the purpose of the automatic trace trap of weld fumes.
Described a plurality of arc photosensor 2 is positioned at same plane, and arc photosensor 2 used numbers are more than or equal to 3, and the center line of the center line of each arc photosensor 2 and air inlet 3 meets at a bit in the space jointly.Each sensor 2 output signal was close when air inlet 3 attitudes faced pad 9; Utilize the arc light of welding itself, welding arc is the center with pad 9, optical frequency to the various wavelength of external radiation, when deviation takes place in the attitude of air inlet 3 and pad 9 positions, each sensor 2 output signal changes, and system processor is according to the signal of each sensor 2, and the control weld fumes is followed the tracks of the attitude that drive unit 4 is adjusted air inlet 3, make air inlet 3 with optimum posture over against pad 9 positions, reach that weld fumes is as much as possible to be captured.
Arc photosensor need increase light damping plate and filter plate, and light damping plate is used to reduce the intensity of arc light; The light that filter plate is used to limit specific wavelength passes through.When selecting, arc photosensor need avoid the influence of visible light.Arc photosensor can be used the selection according to filter plate, corresponding selection Ultraviolet sensor or infrared sensor, also available vision sensor.
System processor mainly is made up of single-chip microcomputer or digital signal processor (DSP) and peripheral circuit etc., be mainly used in to the signal of each arc photosensor sample, software filtering, calculate and provide each arc photosensor reference value, calculate and provide each arc photosensor and corresponding reference value deviate, provide the drive unit attitude according to calculating deviate and adjust actuating signal, supervisory control system running state etc.Given drive unit adjustment actuating signal should be the direction operation to the deviation that reduces each arc photosensor.
Drive unit is made up of system processor and electromechanical control equipment commonly used etc., and electromechanical control equipment commonly used is a present factory floor control appliance commonly used.Electromechanical control equipment is made up of 2 or 2 above motors and corresponding motor driver thereof etc., and the adjustment signal that electromechanical control equipment commonly used provides according to system processor is controlled corresponding motor rotation, thereby adjusts the attitude of air inlet.
The present invention also has another kind of embodiment, in the fixing position of welding gun or relative welding position additional sensor is installed, by detecting the deviation signal of this sensor 2 and air inlet 3, the attitude according to deviation signal adjustment air inlet 3 makes air inlet 3 relative pads 9 positions be in optimum state.
The detection method of described weld fumes treating apparatus arc light sensor signal may further comprise the steps:
(1). system processor is gathered the signal of each arc photosensor when welding first, writes down and calculate the reference value of deciding of respectively welding arc photosensor;
(2). each welds the arc photosensor output signal after the amplification filtering shaping, obtains reacting arc photosensor and weld locations apart from the corresponding useful signal of distance;
(3). system processor is sampled to the useful signal that step (2) is gone out, and compare with the given corresponding arc photosensor reference value of step (1), obtain the deviation of each arc photosensor, the comprehensive deviation of each arc photosensor is obtained the attitude misalignment information of flue dust air inlet and pad;
(4). according to the deviation information of step (3), system processor provides air inlet attitude adjustment information;
(5). flue dust is followed the tracks of drive unit and is adjusted the air inlet attitude according to step (4) attitude adjustment information control corresponding motor;
(6). system circulates to step (2) to step (5).
Described step (2) is respectively welded arc photosensor 2 output signals and is followed the sensor 2 and the distance of pad 9 positions to have uniqueness.
The described air inlet 3 attitude misalignment information of step (3) are only worked as deviation information greater than certain threshold value, provide weld fumes again and follow the tracks of the drive unit corresponding informance.
Claims (5)
1. weld fumes treating apparatus, comprise arc photosensor, flue dust air inlet, drive unit, fume ducts, the flue dust air inlet is connected with fume ducts, it is characterized in that: flue dust air inlet edge is provided with a plurality of arc photosensors, and arc photosensor is connected with drive unit by circuit.
2. weld fumes treating apparatus according to claim 1 is characterized in that: described a plurality of arc photosensors are positioned at same plane, and the center line of the center line of each arc photosensor and air inlet meets at a bit in the space jointly.
3. the detection method of a weld fumes treating apparatus arc light sensor signal as claimed in claim 1 is characterized in that, may further comprise the steps:
(1). system processor is gathered the signal of each arc photosensor when welding first, writes down and calculate the reference value of deciding of respectively welding arc photosensor;
(2). each welds the arc photosensor output signal after the amplification filtering shaping, obtains reacting arc photosensor and weld locations apart from the corresponding useful signal of distance;
(3). system processor is sampled to the useful signal that step (2) is gone out, and compare with the given corresponding arc photosensor reference value of step (1), obtain the deviation of each arc photosensor, the comprehensive deviation of each arc photosensor is obtained the attitude misalignment information of flue dust air inlet and pad;
(4). according to the deviation information of step (3), system processor provides air inlet attitude adjustment information;
(5). flue dust is followed the tracks of drive unit and is adjusted the air inlet attitude according to step (4) attitude adjustment information control corresponding motor;
(6). system circulates to step (2) to step (5).
4. according to the detection method of the described weld fumes treating apparatus of claim 3 arc light sensor signal, it is characterized in that described step (2) is respectively welded the arc photosensor output signal and followed the distance of sensor and welding position to have uniqueness.
5. weld fumes treating apparatus according to claim 3 detects the method for arc light sensor signal, it is characterized in that, the described air inlet attitude misalignment of step (3) information is only worked as deviation information greater than certain threshold value, provides weld fumes again and follows the tracks of the drive unit corresponding informance.
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| CN2009100447404A CN102049636A (en) | 2009-11-11 | 2009-11-11 | Welding fume processing device and method for detecting arc light sensing signal |
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| CN2009100447404A CN102049636A (en) | 2009-11-11 | 2009-11-11 | Welding fume processing device and method for detecting arc light sensing signal |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102266862A (en) * | 2011-07-26 | 2011-12-07 | 凯天环保科技股份有限公司 | Welding fume collection device and method capable of automatically tracking and positioning welding spot |
| CN103847036A (en) * | 2013-10-23 | 2014-06-11 | 洛阳市鼎晶电子材料有限公司 | Dust removing system |
| CN104588927A (en) * | 2014-11-28 | 2015-05-06 | 柳州振业焊接机电设备制造有限公司 | Symmetric automatic welding driving system |
| CN110560443A (en) * | 2019-09-26 | 2019-12-13 | 太仓光电技术研究所 | automatic welding smoke trapping device and method based on binocular vision |
| CN113192374A (en) * | 2015-03-06 | 2021-07-30 | 伊利诺斯工具制品有限公司 | Sensor assisted head mounted display for welding |
| CN114749781A (en) * | 2022-04-26 | 2022-07-15 | 深圳市华谊世纪电子有限责任公司 | Environment-friendly electronic product spot welding device and method with smoke absorption loop |
-
2009
- 2009-11-11 CN CN2009100447404A patent/CN102049636A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102266862A (en) * | 2011-07-26 | 2011-12-07 | 凯天环保科技股份有限公司 | Welding fume collection device and method capable of automatically tracking and positioning welding spot |
| CN103847036A (en) * | 2013-10-23 | 2014-06-11 | 洛阳市鼎晶电子材料有限公司 | Dust removing system |
| CN104588927A (en) * | 2014-11-28 | 2015-05-06 | 柳州振业焊接机电设备制造有限公司 | Symmetric automatic welding driving system |
| CN113192374A (en) * | 2015-03-06 | 2021-07-30 | 伊利诺斯工具制品有限公司 | Sensor assisted head mounted display for welding |
| CN113192374B (en) * | 2015-03-06 | 2023-09-01 | 伊利诺斯工具制品有限公司 | Sensor assisted head mounted display for welding |
| CN110560443A (en) * | 2019-09-26 | 2019-12-13 | 太仓光电技术研究所 | automatic welding smoke trapping device and method based on binocular vision |
| CN114749781A (en) * | 2022-04-26 | 2022-07-15 | 深圳市华谊世纪电子有限责任公司 | Environment-friendly electronic product spot welding device and method with smoke absorption loop |
| CN114749781B (en) * | 2022-04-26 | 2023-11-17 | 深圳市华谊世纪电子有限责任公司 | Environment-friendly electronic product spot welding device and method with smoke absorption loop |
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Application publication date: 20110511 |