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Laser cleaning control method and control system based on LIBS (laser-induced breakdown spectroscopy) technology online monitoring

A laser cleaning and control system technology, applied in the field of laser cleaning, can solve the problems of inability to clean the quality assessment, inability to judge the cleaning process, etc., to achieve rapid online monitoring and control, increase the scope of application, improve efficiency and effect.

Pending Publication Date: 2022-04-19
CIVIL AVIATION FLIGHT UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the present invention provides a laser cleaning control method and control system based on online monitoring of LIBS technology. Through the combination of laser cleaning technology and LIBS technology, the laser cleaning is efficient, green, and LIBS technology The advantage of fast online detection overcomes the problems that the existing portable laser cleaning equipment cannot judge the cleaning process and cannot evaluate the cleaning quality, and realizes the rapid online monitoring of the laser cleaning process

Method used

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  • Laser cleaning control method and control system based on LIBS (laser-induced breakdown spectroscopy) technology online monitoring
  • Laser cleaning control method and control system based on LIBS (laser-induced breakdown spectroscopy) technology online monitoring
  • Laser cleaning control method and control system based on LIBS (laser-induced breakdown spectroscopy) technology online monitoring

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Embodiment 1: Laser cleaning control method based on online monitoring of LIBS technology

[0062] In the embodiment of the present invention, please refer to Figure 1-3 Shown, a kind of laser cleaning control method based on LIBS technology online monitoring, comprises the following steps:

[0063] S1: Laser cleaning: set the laser cleaning head and laser, the laser emits laser beams, and hold the laser cleaning head to perform laser cleaning on the cleaning target surface;

[0064] S11: Hold the laser cleaning head at the cleaning target, keep a safe distance of 1-2cm between the front end of the laser cleaning head and the cleaning target, and prevent contact or collision between the cleaning head and the cleaning target;

[0065] S12: The computer controls the digital delay pulse generator to provide a trigger signal to the laser, so that the laser is turned on, and the laser emits a laser beam for cleaning the target surface;

[0066] S13: The laser beam emitted...

Embodiment 2

[0079] Embodiment 2: Laser cleaning control system based on online monitoring of LIBS technology

[0080] Please continue to refer Figure 1-3 As shown, a laser cleaning control system based on LIBS technology online monitoring, including the main box, laser cleaning system and LIBS online monitoring system;

[0081] The main chassis includes a power system, a cooling system and a digital delay pulse generator;

[0082] The cooling system includes a heat dissipation fan arranged outside the shell of the main box, which is used for ventilation and heat dissipation inside the main box to avoid damage to components caused by excessive temperature; two USB interfaces are arranged outside the shell of the main box, One of the USB interfaces is used to connect a computer and a cleaning machine, and the other USB interface is used to connect a computer and a spectrometer;

[0083] The laser cleaning system includes a laser, a multi-joint light guide arm for guiding the laser beam, ...

Embodiment 3

[0101] Example 3: Application of online monitoring of aircraft aluminum alloy skin laser layered paint removal based on LIBS technology

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Abstract

The invention discloses a laser cleaning control method and system based on LIBS technology online monitoring, and relates to the technical field of laser cleaning, the laser cleaning control system is researched and developed for achieving the laser cleaning control method, and the laser cleaning control system comprises a mainframe box, a laser cleaning system and an LIBS online monitoring system; the mainframe box is used for bearing the laser cleaning system and the LIBS online monitoring system, and the LIBS online monitoring system is used for collecting and monitoring plasma signals in the cleaning process of the laser cleaning system. According to the laser cleaning control method and system based on LIBS technology on-line monitoring, the dirt cleaning effect and cleaning efficiency of the surface of a cleaned target are greatly improved, on-line monitoring of the laser process is achieved, the laser cleaning process is more automatic, protection on a cleaned target base body is better improved, and the laser cleaning quality is improved. And the service life of the base body is further prolonged.

Description

technical field [0001] The invention belongs to the technical field of laser cleaning, and in particular relates to a laser cleaning control method and a control system based on online monitoring of LIBS technology. Background technique [0002] Industrial production equipment, pipelines, workshops, buildings, raw materials, products or semi-finished products, etc., will be subjected to physical, chemical or biological effects in the process of contact with the atmosphere, environment, production raw materials, media, products, mechanical oil, etc. Its surface residues, deposits and generates various dirt that is harmful to production operation, product quality or human health. The presence of these dirt affects the normal operation of production, affects material performance and equipment life, increases production energy consumption and costs, reduces product quality, and causes hazards of various accidents. Traditional cleaning methods include chemical cleaning, dry ice ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B7/00B08B13/00G01N21/71
CPCB08B7/0042B08B13/00G01N21/718
Inventor 杨文锋钱自然张然李绍龙杨帆曹宇魏永超刘国春林德惠
Owner CIVIL AVIATION FLIGHT UNIV OF CHINA
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