CN104677429B - A kind of intelligent comprehensive fault diagnosis system and diagnostic method - Google Patents
A kind of intelligent comprehensive fault diagnosis system and diagnostic method Download PDFInfo
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- CN104677429B CN104677429B CN201510132526.XA CN201510132526A CN104677429B CN 104677429 B CN104677429 B CN 104677429B CN 201510132526 A CN201510132526 A CN 201510132526A CN 104677429 B CN104677429 B CN 104677429B
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Abstract
The present invention provides a kind of intelligent comprehensive fault diagnosis system and diagnostic method, including one group of detection device, it is characterized in that：The detection device is all connected with PLC, the PLC communicates with monitoring computer, the monitoring computer connection DSP picture processing chips and cradle head control single-chip microcomputer, the DSP picture processing chips connect video memory, the cradle head control single-chip microcomputer connects motor, the motor connects all-directional tripod head, camera is provided with the all-directional tripod head, the camera connects video coding chip, the video coding chip connection described image memory and DSP picture processing chips.Available for accident prevention and instruct the repairing of field accident, on the other hand add the detection means of industrial automation system, make it can be found that abnormal conditions in video information.
Description
Technical field
The present invention relates to a kind of resultant fault diagnostic system for automating and being blended with video monitoring, specifically, it is related to
A kind of intelligent comprehensive fault diagnosis system and diagnostic method.
Background technology
Continued to develop with scientific and technological, economical, people are growing day by day to the demand of safety guard, the monitoring to critical facility
Also pay attention to all the more, so that video surveillance management system is widely used in all trades and professions.By means of computer
Powerful data-handling capacity, the data that video monitoring system can be in high speed analysis video image, and to key message therein
Analyzed and extracted, carried out intelligentized analysis, judge and handle.With correlation technique, intelligent video monitoring system is
Moving object identification, the object electronics such as identification that cross the border are realized to deploy troops on garrison duty function.But in real life, video monitoring system with
Other automatic control systems are separate, and its information presented can only be understood by human brain, limit video monitoring system
Application.People are in the urgent need to a kind of approach by the seamless embedded automation control area of video information so as to increase considerably
Its application.
The fast development of automated system makes the automaticity more and more higher of plant produced, and industrial automation system
Fault diagnosis and accident prevention but turn into the bottleneck of its development.In some dangerous situations or environmental condition especially severe field
Close, production management and operating personnel can not be close, once the feelings of instant of failure can not be caught in the very first time by dangerous situation occur
Shape, difficulty is brought to accident analysis, accident prevention.Although in addition, the signal detection means of automated system are a lot, lacking
The information such as the image of exception or trouble point can be introduced system in real time and carry out comprehensive analysis processing by a kind of method, and this is also automation
One piece of short slab of system, if completion, will expand its function, increases practical function.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of intelligent comprehensive fault diagnosis system and diagnostic method, it can use
In accident prevention and instruct the repairing of field accident, on the other hand add the detection means of industrial automation system, make it
It can be found that the abnormal conditions in video information.
The present invention, which is adopted the following technical scheme that, realizes goal of the invention：
A kind of intelligent comprehensive fault diagnosis system, including one group of detection device, it is characterized in that：The detection device connects
PLC is connect, the PLC communicates with monitoring computer, the monitoring computer connects DSP image procossing cores respectively
Piece and cradle head control single-chip microcomputer, the DSP picture processing chips connect video memory, and the cradle head control single-chip microcomputer connection is driven
Dynamic motor, the motor connects and camera is provided with all-directional tripod head, the all-directional tripod head, the camera connection
Video coding chip, the video coding chip connects described image memory and DSP picture processing chips respectively.
As the further restriction to the technical program, the motor includes horizontally rotating motor and vertical rotation electricity
Machine.
As the further restriction to the technical program, the detection device uses pressure transmitter.
As the further restriction to the technical program, the detection device uses flowmeter.
As the further restriction to the technical program, the detection device uses radar level gauge.
As the further restriction to the technical program, the detection device uses pH value detector.
As the further restriction to the technical program, the detection device uses SO2Density Detection Instrument.
A kind of intelligent comprehensive method for diagnosing faults, it is characterised in that comprise the following steps：
（1）PLC detects the fault-signal from scene by field detecting device, and by network by failure
Signal is transmitted to monitoring computer, and monitoring computer is received after fault-signal to be analyzed failure by software, is determined
A point position occurs for failure, and the positional information is converted into position command transmitted to cradle head control single-chip microcomputer；
（2）Cradle head control single-chip microcomputer is tracked shooting according to monitoring computer analysis results to predetermined failure point position, fast
The key position of speed locking time of crisis；
（3）Camera locks rapidly position of failure point and carries out snapshot candid photograph to it, and the snapshot formed herein is to can be used for
Accident prevention and the valuable material for instructing accident maintenance；
（4）Moving object recognizes that intelligent DSP picture processing chips receive the digital video letter from video coding chip
Lead to smooth, the sharpening pretreatment of video image after number, then gone out by the data analysing method Real time identification of background difference in the visual field
The moving object of appearance, it is also possible by means computer vision of increasing income storehouse OpenCV realizes that moving object is recognized in camera, and
Send alarm signal；
（5）System sends alarm signal after moving object is identified, and this alarm signal is sent into monitoring computer,
Monitoring computer passes to PLC after this alarm signal is received, and PLC makes chain anti-according to the alarm signal
Should.
Compared with prior art, advantages and positive effects of the present invention are：The simulation that the present invention is collected by camera is regarded
Frequency signal initially enters video coding chip, converts analog signals into digital video signal by the coding chip, converts
Digital video signal subsequently enter intelligent DSP picture processing chips and pre-processed, while will in the presence of control signal
Need the view data stored to send into video memory to be stored, regarding for completion is handled via DSP picture processing chips
Frequency evidence is then output to monitoring computer by video-out port.Monitoring computer is the command scheduling center of the system, first
Monitoring computer will be realized and the video information of picture processing chip and its interacting for control command；Secondly monitoring computer will be with
PLC realizes the monitoring and control of industrial field device；Monitoring computer will also be with cradle head control SCM system again
Serial communication is carried out to realize the control to camera shooting angle indirectly.
Brief description of the drawings
Fig. 1 is functional-block diagram of the invention.
Embodiment:
With reference to embodiment, the present invention is further illustrated.
Referring to Fig. 1, the present invention includes one group of detection device, and the detection device is all connected with PLC 6, the PLC controls
Device 6 processed communicates with monitoring computer 5, the monitoring computer 5 connection DSP picture processing chips 3 and cradle head control single-chip microcomputer 7,
The DSP picture processing chips 3 connect video memory 4, and the cradle head control single-chip microcomputer 7 connects motor, the driving
Camera 1 is provided with motor connection all-directional tripod head 10, the all-directional tripod head 10, the camera 1 connects Video coding
Chip 2, the connection described image of video coding chip 2 memory 4 and DSP picture processing chips 3.
The motor includes horizontally rotating motor 8 and vertical rotary electric machine 9.
The analog video signal collected by camera 1 initially enters video coding chip 2, by the coding chip 2 by mould
Intend signal and be converted to digital video signal, the digital video signal converted subsequently enters intelligent DSP picture processing chips 3 and entered
Row pretreatment, while the view data stored feeding video memory 4 will be needed to be deposited in the presence of control signal
Storage, the video data completed is handled via DSP picture processing chips 3 and is then output to monitoring computer 5 by video-out port.
Monitoring computer 5 is the command scheduling center of the system, and computer 5 is monitored first will realize and DSP image procossings
The interaction of the video information and its control command of chip 3；Secondly monitoring computer 5 will realize that industry spot is set with PLC 6
Standby monitoring and control；Monitoring computer 5 will also indirectly be realized with the carry out serial communication of cradle head control single-chip microcomputer system 7 again
Control to the shooting angle of camera 1.
PLC 6 can receive the detection signal from field apparatus and instrument and by EPA transmit to
Computer 5 is monitored, can also receive the control signal from monitoring computer 5 and output this to field apparatus.It is raw in industry
The region of certain in production is respectively mounted pressure transmitter, flowmeter, radar level gauge, pH value detector and SO2Density Detection Instrument
To the pipeline pressure in the region, fluid flow, liquid storage pool liquid level, liquid storage pool pH value and gas S02Concentration is detected, is measured
Relevant parameter all access PLCs 6, and being transmitted eventually through EPA to monitoring computer 5.Calculated from monitoring
The equipment control command of machine 5 can also be transmitted to PLC 6 by EPA, and be finally issued to valve, motor,
The equipment such as frequency converter, audible-visual annunciator, so as to control the operation of relevant device.
Cradle head control single-chip microcomputer 7 is made up of single-chip microcomputer and its peripheral function circuit, and it can be received from monitoring meter
The serial order of calculation machine is simultaneously converted into the voltage signal controlled level that driving horizontally rotates motor 8 and vertical rotary electric machine 9
The operation of rotary electric machine 8 and vertical rotary electric machine 9, the shooting of camera is controlled eventually through the gearing of all-directional tripod head 10
Angle.
Monitor function of the computer software by the real-time monitored picture of VC programming realizations, the monitored picture one side energy
It is enough to be interacted with video equipment, video monitoring function is realized, on the other hand can also be interacted with PLC, is realized
Industry automatic control function.
The following function of realization of debugging that cradle head control single-chip microcomputer passes through hardware and software program：Receive from monitoring computer
Position command, and according to the position command driving horizontally rotate motor and vertical rotary electric machine, under the gearing of head,
Realize the 90 degree of adjustment of 360 degree of adjustment and vertical direction, and programmable setting is multiple preset in the horizontal direction of video camera shooting angle
Point.
PLC detects the fault-signal from scene by Site Detection instrument, and is believed failure by network
Number transmit to monitoring computer, monitoring computer receives after fault-signal and failure to be analyzed by software, determines former
Hinder and occur a point position, and the positional information is converted into position command and transmit to cradle head control SCM system.Cradle head control list
Piece machine system realizes the track up to predetermined failure point position based on function 2.This function can lock the pass of time of crisis rapidly
Key position.For example, by this application of function in Diagnosis of Work Conditions in Chemical Manufacture hermetic type reactor, in reactor madial wall every one
Determine angle and lay a thermocouple to detect the local temperature, simultaneity factor intelligent console sets the position of these temperature measuring points
For preset point.System receives the detection temperature of thermocouple and carries out analysis judgement to these temperature parameters, once have a certain pre-
System when a temperature sends alarm more than certain threshold is put just to drive intelligent console to make camera lock the position rapidly to enter
Row is shot, and finds fixed there may be the point position of failure so that fast, this failure emergency command to the producing line is significant.
Camera locks rapidly position of failure point and carries out snapshot candid photograph to it, and the snapshot formed herein is to can be used for accident
Prevent and instruct the valuable material of accident maintenance.
Intelligent DSP picture processing chips receive real by C language programming after the digital video signal from headend equipment
Now to video image it is smooth, the pretreatment such as sharpen, then gone out by background subtraction data analysing method Real time identification of grading in the visual field
The moving object of appearance, it is also possible by means computer vision of increasing income storehouse OpenCV realizes that moving object is recognized in camera, and
Send alarm signal.
System sends alarm signal after moving object is identified, and this alarm signal is sent into monitoring computer, prison
Control computer passes to PLC after this alarm signal is received, and PLC makes chain reaction according to the alarm signal.For example,
Once there are the moving objects such as people or vehicle in the video monitoring visual field in certain industrial site spray ammonia region, system sends report
Alert signal simultaneously makes the chain reaction for closing spray ammonia valve door automatically, prevents Field Force from coming to harm.
Claims (1)
1. a kind of method for diagnosing faults applied to intelligent comprehensive fault diagnosis system, it is characterised in that system includes：One group
Detection device, the detection device is all connected with PLC, and the PLC communicates with monitoring computer, the monitoring meter
Calculation machine connects DSP picture processing chips and cradle head control single-chip microcomputer, the DSP picture processing chips connection figure picture storage respectively
Device, the cradle head control single-chip microcomputer connects motor, and the motor is connected on all-directional tripod head, the all-directional tripod head
Camera is provided with, the camera connects video coding chip, and the video coding chip connects described image storage respectively
Device and DSP picture processing chips；This method comprises the following steps：
(1) PLC detects the fault-signal from scene by field detecting device, and by network by fault-signal
Transmit to monitoring computer, monitoring computer is received after fault-signal to be analyzed failure by software, it is determined that being out of order
Generation point position, and the positional information is converted into position command transmitted to cradle head control single-chip microcomputer；
(2) cradle head control single-chip microcomputer is tracked shooting according to monitoring computer analysis results to predetermined failure point position, rapid lock
Determine the key position of time of crisis；
(3) camera locks rapidly position of failure point and carries out snapshot candid photograph to it, and the snapshot formed herein is to can be used for accident
Prevent and instruct the valuable material of accident maintenance；
(4) moving object is recognized, DSP picture processing chips receive intervisibility after the digital video signal from video coding chip
The smooth and sharpening pretreatment of frequency image, then the fortune occurred in the visual field is gone out by the data analysing method Real time identification of background difference
Animal body, and send alarm signal；
(5) this alarm signal is sent to monitoring computer, monitoring computer passes to PLC controls after this alarm signal is received
Device, PLC makes chain reaction according to the alarm signal.
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| CN201510132526.XA CN104677429B (en) | 2015-03-25 | 2015-03-25 | A kind of intelligent comprehensive fault diagnosis system and diagnostic method |
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| CN201510132526.XA CN104677429B (en) | 2015-03-25 | 2015-03-25 | A kind of intelligent comprehensive fault diagnosis system and diagnostic method |
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| CN104677429B true CN104677429B (en) | 2017-10-20 |
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| CN104902244B (en) * | 2015-06-10 | 2018-04-06 | 石家庄铁道大学 | railway maintenance machinery monitoring system |
| CN111107325B (en) * | 2019-12-31 | 2021-06-22 | 中建空列（北京）科技有限公司 | Suspension type monorail traffic video comprehensive monitoring system platform |
| CN111885189A (en) * | 2020-07-30 | 2020-11-03 | 杭州国电机械设计研究院有限公司 | Remote monitoring system of ship lift |
| CN115842848B (en) * | 2023-03-01 | 2023-04-28 | 成都远峰科技发展有限公司 | Dynamic monitoring system based on industrial Internet of things and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH096943A (en) * | 1995-06-19 | 1997-01-10 | Hitachi Denshi Ltd | Fault diagnosing method for image processor |
| JP3720818B2 (en) * | 1995-05-10 | 2005-11-30 | 株式会社日立国際電気 | Fault diagnosis method for television camera apparatus |
| CN100424598C (en) * | 2003-10-21 | 2008-10-08 | 沈阳东大自动化有限公司 | Digital monitoring device and control procedure in procedure of metallurgy production |
| CN201203786Y (en) * | 2008-06-18 | 2009-03-04 | 深圳市库马克新技术股份有限公司 | Intelligent monitoring system for electric power plant coal transportation |
| CN201247411Y (en) * | 2008-08-26 | 2009-05-27 | 浙江大学 | Remote video diagnostic equipment for pump station control system fault |
| CN101349919A (en) * | 2008-08-26 | 2009-01-21 | 浙江大学 | Remote video diagnostic method and apparatus of pumping station controlling system fault |
| CN101498468B (en) * | 2009-02-17 | 2010-06-02 | 中国安全生产科学研究院 | Intelligent monitoring system for boiler and heat exchange station |
| CN201928381U (en) * | 2010-11-30 | 2011-08-10 | 合肥安迅铁道应用技术有限公司 | Infrared remote failure diagnosis equipment with image monitoring and analyzing function |
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Effective date of registration: 20170915 Address after: 250100 Shandong city of Ji'nan province high tech Zone Shun Road No. 2000 Shun Tai Plaza No. 4 Applicant after: Software Limited by Share Ltd Address before: Industrial Road Licheng District, Ji'nan city of Shandong Province, No. 21 250101 Applicant before: Shandong Iron & Steel Group Co., Ltd. |
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