CN104677429A - Intelligent comprehensive fault diagnosis system and intelligent comprehensive fault diagnosis method - Google Patents
Intelligent comprehensive fault diagnosis system and intelligent comprehensive fault diagnosis method Download PDFInfo
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- CN104677429A CN104677429A CN201510132526.XA CN201510132526A CN104677429A CN 104677429 A CN104677429 A CN 104677429A CN 201510132526 A CN201510132526 A CN 201510132526A CN 104677429 A CN104677429 A CN 104677429A
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Abstract
The invention provides an intelligent comprehensive fault diagnosis system and an intelligent comprehensive fault diagnosis method. The intelligent comprehensive fault diagnosis system comprises a set of detection equipment, and is characterized in that the detection equipment is respectively connected with a PLC controller; the PLC controller communicates with an upper monitoring computer; the upper monitoring computer is connected with a DSP image processing chip and a console control single-chip microcomputer; the DSP image processing chip is connected with an image memory; the console control single-chip microcomputer is connected with a driving motor; the driving motor is connected with an all-dimensional console; a camera is arranged on the all-dimensional console; the camera is connected with a video coding chip; the video coding chip is connected with the image memory and the DSP image processing chip. The system can be used for prevention of accidents and guidance for field accident repair, and on the other hand, the detection ways of an industrial automatic system are added, so that abnormal conditions in video information can be discovered.
Description
Technical field
The present invention relates to the resultant fault diagnostic system that a kind of robotization is merged mutually with video monitoring, specifically, relate to a kind of intelligent comprehensive fault diagnosis system and diagnostic method.
Background technology
Along with science and technology, economic development, the demand of people to safety guard grows with each passing day, and also payes attention to all the more the monitoring of critical facility, thus video surveillance management system is widely used in all trades and professions.By means of the powerful data-handling capacity of computing machine, video monitoring system can data in high speed analysis video image, and analyze key message wherein and extract, and carry out intelligentized analysis, judgement and process.Use correlation technique, the electronics such as identification deploy troops on garrison duty function that intelligent video monitoring system has achieved moving object identification, object crosses the border.But in real life, video monitoring system and other automatic control systems separate, its information presented can only be understood by human brain, limits the range of application of video monitoring system.Seamless for video information embedding automation control area is increased considerably its range of application in the urgent need to a kind of approach by people.
The fast development of automated system makes the automaticity of plant produced more and more higher, and the fault diagnosis of industrial automation system and accident prevention become the bottleneck of its development.In some dangerous situations or the severe especially occasion of environmental baseline, production management and operating personnel cannot be close, once occur that dangerous situation cannot catch the situation of instant of failure in the very first time, bring difficulty to fault analysis, accident prevention.In addition, although the signal detection means of automated system is a lot, lacking a kind of method can carry out comprehensive analysis processing by real-time drawing-in systems of information such as the images of exception or trouble spot; this is also one piece of short slab of automated system; if completion, its function will be expanded, increase practical function.
Summary 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, can be used for the prevention of accident and the repairing of guide field accident, add on the other hand the detection means of industrial automation system, make the abnormal conditions that it can find in video information.
The present invention adopts following technical scheme to realize goal of the invention:
A kind of intelligent comprehensive fault diagnosis system, comprise one group of checkout equipment, it is characterized in that: described checkout equipment all connects PLC, described PLC and upper monitoring compunication, described upper monitoring computing machine connects DSP picture processing chip and cradle head control single-chip microcomputer, described DSP picture processing chip connects video memory, described cradle head control single-chip microcomputer connects drive motor, described drive motor connects all-directional tripod head, described all-directional tripod head is provided with camera, described camera connects video coding chip, described video coding chip connects described video memory and DSP picture processing chip.
As the further restriction to the technical program, described drive motor comprises and horizontally rotates motor and vertical rotation motor.
As the further restriction to the technical program, described checkout equipment adopts pressure unit.
As the further restriction to the technical program, described checkout equipment adopts flowmeter.
As the further restriction to the technical program, described checkout equipment adopts radar level gauge.
As the further restriction to the technical program, described checkout equipment adopts pH value detecting device.
As the further restriction to the technical program, described checkout equipment adopts SO
2density Detection Instrument.
A kind of intelligent comprehensive method for diagnosing faults, is characterized in that, comprise the steps:
(1) PLC industrial field control device detects fault-signal from scene by field detecting device, and by network, fault-signal is transferred to upper monitoring computing machine, upper monitoring computing machine is analyzed fault by software after receiving fault-signal, determine fault origination point position, and this positional information is converted to position command transfers to cradle head control single-chip microcomputer;
(2) cradle head control single-chip microcomputer carries out track up according to upper monitoring computer analysis results to predetermined failure point position, rapidly the key position of locking time of crisis;
(3) camera locks position of failure point rapidly and carries out snapshot candid photograph to it, and the snapshot formed at this is the valuable material that can be used for accident prevention and instruct accident maintenance;
(4) moving object identification, intelligence DSP picture processing chip leads to level and smooth, the sharpening pre-service of video image after receiving the digital video signal from video coding chip, the moving object occurred in the visual field is gone out again by the data analysing method Real time identification of background difference, also can realize moving object identification in camera by means of the computer vision storehouse OpenCV that increases income, and send alerting signal;
(5) system sends alerting signal after identifying moving object, and this alerting signal is sent to upper monitoring computing machine, and supervisory control comuter passes to PLC after receiving this signal, and PLC makes chain reaction according to this signal.
Compared with prior art, advantage of the present invention and good effect are: the present invention by camera collection to analog video signal first enter video coding chip, by this coding chip, simulating signal is converted to digital video signal, the digital video signal converted enters intelligent DSP picture processing chip subsequently and carries out pre-service, under the effect of control signal, the view data needing to carry out storing is sent into video memory to store, the video data completed via the process of DSP picture processing chip then outputs to upper monitoring computing machine by video-out port simultaneously.Upper monitoring computing machine is the command scheduling center of native system, and first upper monitoring computing machine will realize and the video information of picture processing chip and the mutual of control command thereof; Secondly upper monitoring computing machine will realize the supervisory and control of industrial field device with PLC industrial field control device; Upper monitoring computing machine also will carry out serial communication with cradle head control Single Chip Microcomputer (SCM) system thus indirectly realize the control to camera shooting angle again.
Accompanying drawing explanation
Fig. 1 is functional-block diagram of the present invention.
Embodiment:
Below in conjunction with embodiment, further illustrate the present invention.
See Fig. 1, the present invention includes one group of checkout equipment, described checkout equipment all connects PLC 6, described PLC 6 communicates with upper monitoring computing machine 5, described upper monitoring computing machine 5 connects DSP picture processing chip 3 and cradle head control single-chip microcomputer 7, described DSP picture processing chip 3 connects video memory 4, described cradle head control single-chip microcomputer 7 connects drive motor, described drive motor connects all-directional tripod head 10, described all-directional tripod head 10 is provided with camera 1, described camera 1 connects video coding chip 2, described video coding chip 2 connects described video memory 4 and DSP picture processing chip 3.
Described drive motor comprises and horizontally rotates motor 8 and vertical rotation motor 9.
First the analog video signal collected by camera 1 enters video coding chip 2, by this coding chip 2, simulating signal is converted to digital video signal, the digital video signal converted enters intelligent DSP picture processing chip 3 subsequently and carries out pre-service, under the effect of control signal, the view data needing to carry out storing is sent into video memory 4 to store, the video data processed via DSP picture processing chip 3 then outputs to upper monitoring computing machine 5 by video-out port simultaneously.
Upper monitoring computing machine 5 is command scheduling centers of native system, and first upper monitoring computing machine 5 will realize and the video information of DSP picture processing chip 3 and the mutual of control command thereof; Secondly upper monitoring computing machine 5 will realize the supervisory and control of industrial field device with industry spot PLC 6; Upper monitoring computing machine 5 also will carry out serial communication with cradle head control single-chip microcomputer system 7 thus indirectly realize the control to camera 1 shooting angle again.
PLC 6 can receive the detection signal from field apparatus and instrument and transfer to upper monitoring computing machine 5 by Industrial Ethernet, also can accept the control signal from upper monitoring computing machine 5 and be exported to field apparatus.Certain region setting pressure transmitter, flowmeter, radar level gauge, pH value detecting device and SO respectively in the industrial production
2density Detection Instrument is to the pipeline pressure in this region, fluid flow, liquid storage pool liquid level, liquid storage pool pH value and gas S0
2concentration detects, and the correlation parameter recorded all accesses PLC 6, and transfers to upper monitoring computing machine 5 eventually through Industrial Ethernet.Equipment control command from upper monitoring computing machine 5 also can transfer to PLC 6 by Industrial Ethernet, and is finally issued to the equipment such as valve, motor, frequency converter, audible-visual annunciator, thus controls the operation of relevant device.
Cradle head control single-chip microcomputer 7 is made up of single-chip microcomputer and peripheral function circuit thereof, it can receive the serial order from upper monitoring computing machine and be converted into drive and horizontally rotate the voltage signal level of control rotary electric machine 8 of motor 8 and vertical rotation motor 9 and the operation of vertical rotation motor 9, and the gearing eventually through all-directional tripod head 10 controls the shooting angle of camera.
Upper monitoring computer software is by the function of the real-time monitored picture of VC programming realization, this monitored picture can carry out alternately with video equipment on the one hand, realize video monitoring function, also can carry out alternately, realizing industry automatic control function with PLC on the other hand.
Cradle head control single-chip microcomputer is by the following function of realization of debugging of hardware and software program: receive the position command from upper monitoring computing machine, and horizontally rotate motor and vertical rotation motor according to the driving of this position command, under the gearing of The Cloud Terrace, realize 360 degree of adjustment and the vertical direction 90 degree adjustment in the horizontal direction of video camera shooting angle, and able to programme multiple preset point is set.
PLC industrial field control device detects the fault-signal from scene by Site Detection instrument, and by network, fault-signal is transferred to upper monitoring computing machine, upper monitoring computing machine is analyzed fault by software after receiving fault-signal, determine fault origination point position, and this positional information is converted to position command transfers to cradle head control Single Chip Microcomputer (SCM) system.Cradle head control Single Chip Microcomputer (SCM) system realizes the track up to predetermined failure point position based on function 2.This function can lock rapidly the key position of time of crisis.Such as, this function is applied to Diagnosis of Work Conditions in Chemical Manufacture hermetic type reactor, lay a thermopair to detect this local temperature at reactor madial wall every certain angle, the position of these points for measuring temperature is set to preset point by simultaneity factor intelligent console.System acceptance to thermopair detected temperatures and to these temperature parameters carry out analysis judge, just drive intelligent console to make camera lock rapidly this position to take once there be a certain preset point temperature to exceed system when certain threshold sends warning, thus fast discovery may produce the some position of fault surely, this is significant to the fault emergency command of this product line.
Camera locks position of failure point rapidly and carries out snapshot candid photograph to it, and the snapshot formed at this is the valuable material that can be used for accident prevention and instruct accident maintenance.
Intelligence DSP picture processing chip to receive after the digital video signal from front-end equipment by C language programming realization pre-service such as level and smooth, the sharpenings of video image, the moving object occurred in the visual field is gone out again by background subtraction data analysing method Real time identification of grading, also can realize moving object identification in camera by means of the computer vision storehouse OpenCV that increases income, and send alerting signal.
System sends alerting signal after identifying moving object, and this alerting signal is sent to upper monitoring computing machine, and supervisory control comuter passes to PLC industrial field control device after receiving this signal, and PLC makes chain reaction according to this signal.Such as, once there is the moving object such as people or vehicle in the video monitoring visual field in certain industrial site spray ammonia region, system sends alerting signal and automatically makes the chain reaction of closing spray ammonia valve door, prevents field staff from coming to harm.
Claims (8)
1. an intelligent comprehensive fault diagnosis system, comprise one group of checkout equipment, it is characterized in that: described checkout equipment all connects PLC, described PLC and upper monitoring compunication, described upper monitoring computing machine connects DSP picture processing chip and cradle head control single-chip microcomputer, described DSP picture processing chip connects video memory, described cradle head control single-chip microcomputer connects drive motor, described drive motor connects all-directional tripod head, described all-directional tripod head is provided with camera, described camera connects video coding chip, described video coding chip connects described video memory and DSP picture processing chip.
2. intelligent comprehensive fault diagnosis system according to claim 1, is characterized in that: described drive motor comprises and horizontally rotates motor and vertical rotation motor.
3. intelligent comprehensive fault diagnosis system according to claim 1, is characterized in that: described checkout equipment adopts pressure unit.
4. intelligent comprehensive fault diagnosis system according to claim 1, is characterized in that: described checkout equipment adopts flowmeter.
5. intelligent comprehensive fault diagnosis system according to claim 1, is characterized in that: described checkout equipment adopts radar level gauge.
6. intelligent comprehensive fault diagnosis system according to claim 1, is characterized in that: described checkout equipment adopts pH value detecting device.
7. intelligent comprehensive fault diagnosis system according to claim 1, is characterized in that: described checkout equipment adopts SO
2density Detection Instrument.
8. an intelligent comprehensive method for diagnosing faults, is characterized in that, comprises the steps:
PLC industrial field control device detects the fault-signal from scene by field detecting device, and by network, fault-signal is transferred to upper monitoring computing machine, upper monitoring computing machine is analyzed fault by software after receiving fault-signal, determine fault origination point position, and this positional information is converted to position command transfers to cradle head control single-chip microcomputer;
Cradle head control single-chip microcomputer carries out track up according to upper monitoring computer analysis results to predetermined failure point position, rapidly the key position of locking time of crisis;
(3) camera locks position of failure point rapidly and carries out snapshot candid photograph to it, and the snapshot formed at this is the valuable material that can be used for accident prevention and instruct accident maintenance;
(4) moving object identification, intelligence DSP picture processing chip leads to level and smooth, the sharpening pre-service of video image after receiving the digital video signal from video coding chip, the moving object occurred in the visual field is gone out again by the data analysing method Real time identification of background difference, also can realize moving object identification in camera by means of the computer vision storehouse OpenCV that increases income, and send alerting signal;
(5) system sends alerting signal after identifying moving object, and this alerting signal is sent to upper monitoring computing machine, and supervisory control comuter passes to PLC after receiving this signal, and PLC makes chain reaction according to this signal.
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Cited By (4)
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| CN104902244A (en) * | 2015-06-10 | 2015-09-09 | 石家庄铁道大学 | Railway maintenance machinery monitoring system |
| CN111107325A (en) * | 2019-12-31 | 2020-05-05 | 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 |
| CN115842848A (en) * | 2023-03-01 | 2023-03-24 | 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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| CN115842848A (en) * | 2023-03-01 | 2023-03-24 | 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 |
| 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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| CN104677429B (en) | 2017-10-20 |
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