Digital monitoring device and control procedure in procedure of metallurgy production
A monitoring device and production process technology, applied in the direction of program control, computer control, general control system, etc., can solve the problems of screen flickering, long cycle, accident record and other functions that cannot be realized, and achieve the effect of improving functions
Inactive Publication Date: 2008-10-08
沈阳东大自动化有限公司
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Problems solved by technology
[0003] Image distortion, image quality deterioration, screen flickering during projection, frozen screen is not clear; the system structure is complex and bulky, and there are many console control keys that affect system reliability; system maintenance is difficult, long cycle, and high cost; screen processing, Functions such as fault identification and accident recording cannot be realized, search (retrieval) of historical video data is difficult, and operation management remains unchanged; historical images cannot be processed and reprocessed; production process monitoring management cannot manage and monitor process data and actual on-site images in a unified manner , which brings great inconvenience to modern production, monitoring and management
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[0020] Working principle of the present invention and implementation process are described in conjunction with accompanying drawing (as Figure 7 shown).
[0021] The input signals of this system are video images, I / O controller switch signal input, and the output is the output of the I / O controller. The output signal can be switch signal, current signal (4-20mA), voltage signal (0-5V ), the output action signal of the pan-tilt controller (220V AC or 24V AC output to the pan-tilt to control the up, down, left, right pan-tilt action and output to the three-variable lens to control the aperture, focus, zoom action, and some fans , wipers, lights, heating and backup auxiliary control functions). Since the input and output signals of the I / O controller are general switch signals or voltage and current signals, they can be connected to various field devices according to the situation to realize corresponding process monitoring and control.
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The device includes camera, I / O controller, 232 / 485 converter and computer. Cradle head decoder and 232 / 485 converters in control device of camera through serial circuit are connected to computer. Data taken by camera through image collection and compression card are stored on memory of computer directly. Computer monitors images of production process on site, and control procedure is implemented by computer control program. The system including computer and software of control and management monitors production process providing function of fault diagnosis and guidance operation from specialists. The system provides reliable basis for integrative monitor, control, dispatch and management in production process.
Description
Technical field [0001] The invention relates to a production process monitoring device and a control method. Background technique [0002] With the continuous improvement and development of science and technology and industrial automation, industrial control and development, industrial control machine systems, PLC systems, and DCS systems have been widely used and implemented in industrial production, and the monitoring and control management of production process data has reached a relatively high level. High level, but as one of the important components of production management, the real-time image monitoring of the production site is mostly used at present. Industrial TV system, this traditional monitoring method is represented by long-time video recorder, screen divider, field switch Traditional products use video tapes as storage mesons to realize on-site monitoring by combining manual and automatic methods. Traditional industrial TV systems have inevitable weaknesses: ...
Claims
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IPC IPC(8): G05B19/00
Inventor 柴天佑郑秀萍史大为王大力
Owner 沈阳东大自动化有限公司