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Double-layer roll welding pipe welding process control system and control method thereof

A technology of double-layer coiled welded pipe and welding process, which is applied in the direction of general control system, control/regulation system, electrical program control, etc., and can solve problems such as difficult to realize the optimization of process parameters, difficult to guarantee the welding quality of welded pipe, and expensive imported equipment. , to achieve the effect of simple structure, improved welding quality and low cost

Inactive Publication Date: 2007-08-22
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology

[0002] Double-layer welded pipes are widely used in automobiles, household appliances and other fields. In the 1990s, my country began to introduce double-layer welded pipe production lines from abroad, which improved product quality. However, due to the high price of imported equipment and high maintenance costs, domestic must not Most manufacturers still rely on the experience of operators to control the main process parameters of the welding process, it is difficult to optimize the process parameters, and it is difficult to guarantee the welding quality of welded pipes

Method used

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  • Double-layer roll welding pipe welding process control system and control method thereof
  • Double-layer roll welding pipe welding process control system and control method thereof
  • Double-layer roll welding pipe welding process control system and control method thereof

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Embodiment Construction

[0054] The embodiment of the control system of the present invention is shown in Fig. 1, and it is made up of temperature detection equipment, high-speed optical isolation A / D board, industrial computer and its peripheral equipment, high-speed optical isolation D / A board, executive mechanism; The output of temperature detection equipment The terminal is connected to the input end of the high-speed optical isolation A / D board. The high-speed optical isolation A / D board is connected to the industrial computer through the bus. The output end of the industrial computer is connected to the input end of the actuator through the high-speed optical isolation D / A board.

[0055] Described temperature detection equipment adopts optical fiber infrared colorimetric temperature measurement system (model is FR1B); 20-50cm away from the welded pipe.

[0056] The actuator adopts a thyristor voltage regulator.

[0057] The embodiment of control method of the present invention comprises follow...

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Abstract

The invention relates to a double-layer brazed tube welding course control system and method, where the system comprises temperature detector, high speed photo-isolating A / D board, industrial computer and peripheral equipment, high speed photo-isolating D / A board, and executing mechanism, and the method is based on fuzzy self-adapting control method with hierarchical structure. And its beneficial effects: the system has simple structure and low cost; the system control accuracy is more improved so as to improve welding quality of the brazed tubes.

Description

technical field [0001] The invention relates to a welding process control system and a control method of a double-layer coiled welded pipe, and belongs to the technical field of welded pipe welding technology and its control method. Background technique [0002] Double-layer welded pipe is widely used in automobiles, household appliances and other fields. In the 1990s, my country began to introduce double-layer welded pipe production lines from abroad, which improved product quality. However, due to the high price of imported equipment and high maintenance costs, domestic must Most manufacturers still rely on the experience of the operator to control the main process parameters of the welding process, it is difficult to optimize the process parameters, and it is difficult to guarantee the welding quality of the welded pipe. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a welding process control system and contro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/02G05B19/418G05B13/02B23K11/00B23K11/24
CPCY02P90/02
Inventor 吴学礼贾辉然陆向辉李平孟凡华甄然
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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