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System for monitoring the quality of industrial processes and method therefrom

A process quality, industrial process technology, used in the field of systems monitoring industrial processes, can solve the problems of magnetic interference and expensive power cables

Inactive Publication Date: 2006-04-26
CENT RICERCHE FIAT SCPA
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Problems solved by technology

[0009] The disadvantage of the systems used so far is that a sensor placed inside the focusing head to capture the radiation of the welding process is connected to a capture card located in a personal computer, which monitors the process through an appropriate cable
The passage of connecting cables in the welding station can lead to defects caused by magnetic interference with the power cables
Also, in order to have low noise, the connecting cables are all high impedance cables, so quite expensive

Method used

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  • System for monitoring the quality of industrial processes and method therefrom
  • System for monitoring the quality of industrial processes and method therefrom
  • System for monitoring the quality of industrial processes and method therefrom

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Embodiment Construction

[0019] Briefly, according to the proposed system, a smart unit is placed locally in the workstation, said smart unit is configured to capture signals from sensors and obtain quality signals with lower frequency band requirements, which are transmitted wirelessly to processors that monitor these processes and perform, for example, waste management processes.

[0020] image 3 Shows a block diagram of a system for monitoring an industrial process according to the present invention, wherein reference numeral 17 refers to a sensor, which is arranged in a workstation 20 such as a CO 2 Inside the focusing head of the laser, or if the laser is a neodymium-YAG type, inside the cavity. Said sensor 17 is therefore arranged near the workstation 20, which captures the radiation from the laser welding process and generates an analog voltage signal R, in particular an analog voltage signal of 0 to 0.5 volts.

[0021] The analog voltage signal R is transferred to a capture and processing m...

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Abstract

The invention relates to a system for monitoring an industrial process, comprising: sensor means (7; 17) for detecting one or more process parameters in at least one processing station (20); capture and processing means (8, 9; 32), which acts on the signal (R) generated by the sensor device (7; 17) in order to obtain process quality information (Q); and a manufacturing process management device (9; 19), which operates based on the process quality information (Q) Q) Do the work. The capture and processing device (32) is disposed locally in the at least one processing station (20), and the manufacturing process management device (19) is disposed at a remote location relative to the capture and processing device (32), Wireless transceiver means (42, 43) are also provided for exchanging said process quality information (Q) between said capture and processing means (32) and said manufacturing process management means (19).

Description

technical field [0001] The present invention relates to a system and method for monitoring an industrial process, said system comprising: sensor means for detecting one or more process parameters in at least one processing station; capture and processing means for acting on signals generated by said sensor means functioning to obtain information on process quality; and manufacturing flow management means which operate based on said information on process quality. Background technique [0002] The above mentioned systems and methods have been suggested and have been used in the past eg for on-line monitoring eg laser welding processes, in particular welding processes of metal sheets. The monitoring system can determine whether there are porosity in the welded area or, in the case of butted thin metal sheets, defects such as overlap or desoldering of the metal sheets. Similar systems are also used to monitor the quality of laser cutting operations. [0003] Figure 1 shows a ...

Claims

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Application Information

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IPC IPC(8): G05B19/418B23K26/00B23K26/03G05B21/00G05B23/00G06Q50/00G08C17/02
CPCB23K26/032
Inventor G·德安格洛G·帕斯奎塔兹A·特雷诺
Owner CENT RICERCHE FIAT SCPA
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