CN208520583U - Rotating machinery fault monitors system - Google Patents
Rotating machinery fault monitors system Download PDFInfo
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- CN208520583U CN208520583U CN201821243097.9U CN201821243097U CN208520583U CN 208520583 U CN208520583 U CN 208520583U CN 201821243097 U CN201821243097 U CN 201821243097U CN 208520583 U CN208520583 U CN 208520583U
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Abstract
The utility model provides a kind of rotating machinery fault monitoring system, comprising: industrial personal computer；For obtaining the vibrating sensor of vibration frequency, it is connected in industrial personal computer；For obtaining the speed probe of revolving speed, it is connected in industrial personal computer；Based on it is preset referring to frequency and referring to the real-time vibration frequency of revolving speed multilevel iudge and real-time revolving speed whether Yi Chang judgment module, be connected in industrial personal computer, vibrating sensor and speed probe；The warning device sounded an alarm when judging real-time vibration frequency and real-time revolving speed based on judgment module for exception, is connected in industrial personal computer；For obtaining the displacement sensor of the displacement of shaft, it is connected in industrial personal computer；And the image generation module for generating vibrational diagram according to real-time displacement amount, it is connected in displacement sensor and industrial personal computer；For showing the display module of vibrational diagram, it is connected in industrial personal computer.Whether the utility model solves the problems, such as that the vibration signal detection of rotating machinery is unable to judge accurately between its main shaft and bearing and loosens.
Description
Technical field
The utility model relates to technical field of building construction, and in particular to a kind of rotating machinery fault monitoring system.
Background technique
Rotating machinery is operating equipment common in work progress.Large-scale, high speed, complexity are the development sides of rotating machinery
To rotating machinery belongs to power-equipment mostly, is chronically at the state of running at high speed, and guarantees that the normal operation of this kind of equipment is very
Important, since various factors, such as temperature, humidity, friction can all generate different degrees of influence to rotating machinery, to go out
Existing various failures, influence the function of machine.
Main shaft (shaft, rotary shaft) is the important rotary part of rotating machinery, and with mechanical operating, main shaft can generate vibration
It is dynamic.The information for having contained all kinds of operating statuses of judgement in the vibration signal of main shaft be easy to cause master when the vibration of main shaft is excessive
Gap between axis and bearing becomes larger, to loosen.Currently, for the detection device of characteristic of rotating machines vibration signal, only
Vibration signal is acquired, is unable to judge accurately between main shaft and bearing and whether loosens, or only by setting one
Threshold value judges to loosen between main shaft and bearing, since the material of main shaft and bearing is each if vibration signal is greater than the threshold value
It is different, and machine running environment is different, such detection device can not be detected accurately to be loosened between main shaft and bearing.
Utility model content
To overcome the defects of present in the prior art, a kind of rotating machinery fault monitoring system is provided, now to solve to rotate
Mechanical vibration signal detection is unable to judge accurately the problem of whether loosening between its main shaft and bearing.
To achieve the above object, a kind of rotating machinery fault monitoring system is provided, comprising:
Industrial personal computer；
For obtaining the vibrating sensor of the real-time vibration frequency of the shaft of rotating machinery, it is connected in the industrial personal computer；
For obtaining the speed probe of the real-time revolving speed of the shaft, it is connected in the industrial personal computer；
For based on preset referring to frequency and the real-time vibration frequency referring to described in revolving speed multilevel iudge and real-time turn described
Speed whether Yi Chang judgment module, the judgment module be connected in the industrial personal computer, the vibrating sensor and the revolving speed biography
Sensor；
Police is issued when for judging the real-time vibration frequency and the real-time revolving speed based on the judgment module for exception
The warning device of report, the warning device are connected in the industrial personal computer；
For obtaining the displacement sensor of the real-time displacement amount of the shaft, it is connected in the industrial personal computer；And
For generating the image generation module of vibrational diagram, the image generation module connection according to the real-time displacement amount
In institute's displacement sensors and the industrial personal computer；
For showing that the display module of the vibrational diagram, the display module are connected in the industrial personal computer.
Further, institute's displacement sensors are grating sensor.
Further, the industrial personal computer connection has communication module, and the communication module is connected with remote terminal.
Further, the display module is liquid crystal display.
It further, further include bearing support, the bearing support has a column, is connected with the first survey in the middle part of the column
Arm is tried, institute's displacement sensors are installed on the company of the bearing in first test arm and in alignment with the shaft and the shaft
Meet place.
Further, the second test arm, the speed probe and the vibrating sensing are connected at the top of the column
Device is installed in second test arm and is aligned with the periphery of the shaft.
The beneficial effects of the utility model are that the rotating machinery fault monitoring system of the utility model embodiment is using in fact
When revolving speed, real-time vibration frequency with referring to frequency, referring to rotating ratio pair, the failure true and false of the shaft of preliminary screening rotating machinery,
When real-time vibration frequency is more than reference frequency, revolving speed is also above referring to revolving speed in real time simultaneously, industrial personal computer passes through warning device report
Vibrational diagram that is alert, opening the displacement of displacement sensor acquisition shaft simultaneously and generate shaft by image generation module, behaviour
Make whether personnel loosen according to the shaft of the final accurate judgement rotating machinery of vibrational diagram.
Detailed description of the invention
Fig. 1 is that the rotating machinery fault of the utility model embodiment monitors the structural schematic diagram of system.
Fig. 2 is that the rotating machinery fault of the utility model embodiment monitors the module diagram of system.
Fig. 3 is the module signal that the rotating machinery fault of the utility model embodiment monitors the image processing apparatus of system
Figure.
Fig. 4 is the schematic diagram that the rotating machinery fault of the utility model embodiment monitors the signal processor of system.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.
Fig. 1 is that structural schematic diagram, Fig. 2 of the rotating machinery fault monitoring system of the utility model embodiment are that this is practical new
The module diagram of the rotating machinery fault monitoring system of type embodiment, the rotating machinery event that Fig. 3 is the utility model embodiment
Hinder the module diagram of the image processing apparatus of monitoring system, the rotating machinery fault that Fig. 4 is the utility model embodiment monitors
The schematic diagram of the signal processor of system.
Referring to figs. 1 to 4, the utility model provides a kind of rotating machinery fault monitoring system, comprising: vibration passes
Sensor 1, speed probe 2, judgment module 3, industrial personal computer 4, displacement sensor 5, image generation module 6, display module 7 and alarm
Device 8.
Vibrating sensor 1, speed probe 2 and displacement sensor 5 are mounted on the shaft A of rotating machinery by bearing support
One end.Shaft A of the vibrating sensor 1 in alignment with rotating machinery.Shaft A is arranged in the bearing B of rotating machinery.Speed probe
2 in alignment with shaft A.The junction of the alignment of displacement sensor 5 shaft A and bearing B.
Vibrating sensor 1 is used to obtain the real-time vibration frequency of the shaft A of rotating machinery.Vibrating sensor 1 is connected in work
Control machine 4.Speed probe 2 is used to obtain the real-time revolving speed of shaft A.Speed probe 2 is connected in industrial personal computer 4.Judgment module 3 is used
In based on preset referring to frequency and the real-time vibration frequency referring to described in revolving speed multilevel iudge and real-time turn described in judgment module
Whether speed is abnormal.Judgment module 3 is connected in industrial personal computer 4, vibrating sensor 1 and speed probe 2.Warning device 8 is for being based on
Judgment module 3 sounds an alarm when judging the real-time vibration frequency and the real-time revolving speed for exception.Warning device 8 is connected in work
Control machine.Displacement sensor 5 is used to obtain the real-time displacement amount of shaft A.Displacement sensor 5 is connected in industrial personal computer 4.Image generates mould
Block 6 is used to generate the vibrational diagram of shaft A according to real-time displacement amount.Image generation module 6 is connected in displacement sensor 5 and industry control
Machine 4.Display module 7 is for showing vibrational diagram.Display module 7 is connected in industrial personal computer 4.
Specifically, vibrating sensor 1 obtains the real-time vibration frequency of the shaft A of rotating machinery and is sent to judgment module 3.
Speed probe 2 obtains the real-time revolving speed of shaft A and occurs to arrive judgment module 3.It is preset in judgment module 3 and (turns referring to frequency
The normal vibration frequency range of axis A) and referring to revolving speed (the normal vibration range of speeds of shaft A).When real-time vibration frequency exceeds
Referring to frequency, while when revolving speed is exceeded referring to revolving speed in real time, judgment module 3 sends alarm signal to industrial personal computer 4, and industrial personal computer 4 connects
It receives alarm signal and sound-light alarm is initiated by warning device 8, meanwhile, industrial personal computer 4 opens displacement sensor 5 to acquire shaft A
Real-time displacement amount.The real-time displacement amount for the shaft A that image generation module 6 is sent according to displacement sensor 5 and the real-time position of reception
(X-axis is time t to the vibrational diagram of acquisition time formation shaft A when shifting amount, and Y-axis is displacement y).Vibrational diagram is also named vibration
Moving curve, i.e. the displacement versus time image of shaft A.Vibrational diagram indicates that the displacement of shaft A changes over time rule, vibrational diagram
It can show displacement of the shaft A at any one time relative to equilbrium position, also may indicate that out amplitude and period.Construction personnel can
Whether to send out failure, debugging wrong report phenomenon according to vibrational diagram accurate judgement rotating machinery.
The rotating machinery fault monitoring system of the utility model embodiment utilizes real-time revolving speed, real-time vibration frequency and reference
Frequency, reference rotating ratio pair, the failure true and false of the shaft of preliminary screening rotating machinery, when real-time vibration frequency is more than referring to frequency
When rate, simultaneously real-time revolving speed are also above reference revolving speed, industrial personal computer, which passes through warning device alarm while opening displacement sensor, to be acquired
The displacement of shaft and the vibrational diagram that shaft is generated by image generation module, operator are finally quasi- according to vibrational diagram
Really judge whether the shaft of rotating machinery loosens.
Specifically, bearing support includes column, the first test arm and the second test arm.First test arm and the second test arm point
It is not connected on column, the first test arm is located at the lower section of the second test arm.Displacement sensor 5 is installed on horizontally disposed first
In test arm.Vibrating sensor 1, speed probe 2 are respectively arranged in the second test arm.
The side of column is formed with sliding slot (not showing in attached drawing), the first end difference of the first test arm and the second test arm
It is slidedly arranged in sliding slot.It is provided with locating piece on guide rail, locating piece fixes for locking the first test arm and the second test arm
The position of one test arm and the second test arm.
As a kind of preferable embodiment, displacement sensor 5 is grating sensor.
Industrial personal computer 4 is connected with communication module 9, and communication module communication link is connected to remote terminal 10.
Wherein, vibrating sensor and speed probe use non-contact measurement sensor.Vibrating sensor can be sharp
Light resonant method sensor, the vibration signal of the shaft A of rotating machinery are carried out non-contact by laser doppler vibration measurement sensor
Formula measurement.Speed probe can be photoelectric measure speeding sensor, a blank sheet of paper item be pasted on the shaft A of rotating machinery, in whirler
When the shaft A rotation of tool, with photoelectric velocity measurement sensor alignment blank sheet of paper item, axis is rotated one week, will generate a pulse, photoelectric measuring
Fast sensor can test the tach signal of the shaft A of rotating machinery.
As a kind of preferable embodiment, image processing apparatus, industrial personal computer, communication module are installed on the cabinet of industrial personal computer
Interior, warning device and display module are installed on the cabinet of industrial personal computer.
As a kind of preferable embodiment, the vibrational diagram that image generation module is formed passes through the excellent of image processing apparatus
Industrial personal computer is sent to after change processing.
In the present embodiment, image processing apparatus include sequentially connected image enhancement module, image smoothing module and
Image denoising module.
Specifically, image enhancement module carries out image enhancement processing to vibrational diagram, and image smoothing module is to image enhancement
Image after resume module carries out picture smooth treatment, and image denoising module removes the image after image smoothing resume module
It makes an uproar processing.
Wherein, the input terminal of the output end of image generation module and image enhancement module connect, image denoising module it is defeated
The connection of the input terminal of outlet and industrial personal computer.
Image processing apparatus carries out image enhancement, image smoothing, image denoising processing to the vibrational diagram of formation respectively, can
Efficiently, the image letter to rotating machinery shaft and bearing junction can be improved in the image information for quickly extracting image generation module
The identification precision of breath efficiently reduces erroneous judgement and happens.
In this example it is shown that module is used to show the real-time vibration frequency of vibrating sensor acquisition, speed probe
The real-time revolving speed of acquisition and by image processing apparatus treated picture intelligence (vibrational diagram after optimization).
The real-time revolving speed of real-time vibration frequency, speed probe acquisition that communication module 9 is used to acquire vibrating sensor
Signal and treated that picture signal is transmitted to remote terminal 10 (remote-terminal unit) by image processing apparatus.
In the present embodiment, as shown in figure 4, the real-time vibration frequency of vibrating sensor acquisition, speed probe acquire
Real-time tach signal is sent to judgment module 3 after signal processor amplifies processing.Specifically, signal processor includes
Signal amplifier and analog-digital converter.
Wherein, the output end of the output end of vibrating sensor 1 and speed probe 2 connects with the input terminal of signal amplifier
It connects, the output end of signal amplifier and the input terminal of analog-digital converter connect, output end and the judgment module 3 of analog-digital converter
Input terminal connection.Vibrating sensor and the voltage signal of speed probe output are more faint voltage signal, and modulus turns
The input voltage of parallel operation is generally 5V or so, and therefore, it is necessary to use signal amplifier defeated to vibrating sensor and speed probe
Voltage signal out carries out voltage amplification processing.
Specifically, industrial personal computer includes fpga chip.
Specifically, communication module is wireless communication apparatus.
Specifically, warning device is no combined aural and visual alarm.
Specifically, display module is liquid crystal display.
Specifically, remote terminal (remote-terminal unit) is mobile phone or tablet computer.
The rotating machinery fault of the utility model embodiment monitors system, detects turning for rotating machinery by vibrating sensor
The vibration signal of axis is used to detect the tach signal of the shaft of rotating machinery by speed probe, when vibration signal is more than pre-
If triggering the shaft of displacement sensor acquisition rotating machinery and the vibrational diagram of bearing junction when threshold value, with this final judgement rotation
Whether loosened between the shaft and bearing of favourable turn tool, and can be by the vibration signal, tach signal and vibrorecord of acquisition
As being transmitted on remote terminal, construction personnel or operator can in real-time awareness work progress the shaft of rotating machinery fortune
Row state can be safeguarded in time if breaking down, effective guarantee construction safety and construction efficiency.
The utility model provides a kind of monitoring method of rotating machinery fault monitoring system, comprising the following steps:
S1: vibrating sensor 1 acquires the real-time vibration frequency of shaft A, generates the first signal for carrying real-time vibration frequency
And it externally sends.
S2: speed probe 2 acquires the real-time revolving speed of shaft A, generates the second signal for carrying real-time revolving speed and to outgoing
It send.
S3: judgment module 3 receive the first signal and the second signal, and respectively by the first signal real-time vibration frequency with
Referring to the real-time revolving speed in frequency comparison, second signal and referring to rotating ratio pair.
S4: when real-time vibration frequency is greater than referring to frequency and real-time revolving speed is greater than referring to revolving speed, judgment module 3 generates the
Three signals are simultaneously externally sent.
S5: industrial personal computer 4 receives third signal and opens displacement sensor 5, warning device 8.
S6: the displacement of acquisition shaft A, generation carry the fourth signal of displacement and to outgoing to displacement sensor 5 in real time
It send.
S7: image generation module 6 receive fourth signal, according in fourth signal displacement and receive fourth signal when
Between formed vibrational diagram, generate carry vibrational diagram the 5th signal and externally send.
S8: industrial personal computer 4 receives the 5th signal and shows the vibrational diagram in the 5th signal by display module 7.
S9: the reception vibrational diagram of industrial personal computer 4 is sent to remote terminal 10 by communication module 9.
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the utility model implementable so that those skilled in the art understands and reads
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
In the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in disclosed in the utility model
Technology contents obtain and can cover in the range of.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " in
Between " and " one " etc. term, be merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model,
Relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
Combine figure embodiment that the utility model is described in detail above, those skilled in the art can root
Many variations example is made to the utility model according to above description.Thus, certain details in embodiment should not constitute practical to this
Novel restriction, the utility model will be using the ranges that the appended claims define as protection scope.
Claims (6)
1. a kind of rotating machinery fault monitors system characterized by comprising
Industrial personal computer；
For obtaining the vibrating sensor of the real-time vibration frequency of the shaft of rotating machinery, it is connected in the industrial personal computer；
For obtaining the speed probe of the real-time revolving speed of the shaft, it is connected in the industrial personal computer；
For based on preset referring to frequency and real-time vibration frequency and the real-time revolving speed referring to described in revolving speed multilevel iudge are
No abnormal judgment module, the judgment module are connected in the industrial personal computer, the vibrating sensor and the speed probe；
It is sounded an alarm when for judging the real-time vibration frequency and the abnormal real-time revolving speed based on the judgment module
Warning device, the warning device are connected in the industrial personal computer；
For obtaining the displacement sensor of the real-time displacement amount of the shaft, it is connected in the industrial personal computer；And
For generating the image generation module of vibrational image according to the real-time displacement amount, described image generation module is connected in institute
Displacement sensors and the industrial personal computer；
For showing that the display module of the vibrational image, the display module are connected in the industrial personal computer.
2. rotating machinery fault according to claim 1 monitors system, which is characterized in that institute's displacement sensors are grating
Formula sensor.
3. rotating machinery fault according to claim 1 monitors system, which is characterized in that the industrial personal computer connection has communication
Module, the communication module are connected with remote terminal.
4. rotating machinery fault according to claim 1 monitors system, which is characterized in that the display module is liquid crystal
Show device.
5. rotating machinery fault according to claim 1 monitors system, which is characterized in that it further include bearing support, the branch
Bolster has a column, and the first test arm is connected in the middle part of the column, and institute's displacement sensors are installed on described first and survey
Try the junction of the bearing on arm and in alignment with the shaft and the shaft.
6. rotating machinery fault according to claim 5 monitors system, which is characterized in that be connected at the top of the column
Second test arm, the speed probe and the vibrating sensor are installed in second test arm and are aligned with institute
State the periphery of shaft.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821243097.9U CN208520583U (en) | 2018-08-03 | 2018-08-03 | Rotating machinery fault monitors system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821243097.9U CN208520583U (en) | 2018-08-03 | 2018-08-03 | Rotating machinery fault monitors system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731942A (en) * | 2018-08-03 | 2018-11-02 | 中国建筑第八工程局有限公司 | Rotating machinery fault monitors system and its monitoring method |
| CN110595779A (en) * | 2019-04-26 | 2019-12-20 | 深圳市豪视智能科技有限公司 | Bearing abnormity detection method and related equipment |
| CN117094992A (en) * | 2023-10-17 | 2023-11-21 | 广州长川科技有限公司 | Electrical equipment fault detection method and system based on image processing |
-
2018
- 2018-08-03 CN CN201821243097.9U patent/CN208520583U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731942A (en) * | 2018-08-03 | 2018-11-02 | 中国建筑第八工程局有限公司 | Rotating machinery fault monitors system and its monitoring method |
| CN110595779A (en) * | 2019-04-26 | 2019-12-20 | 深圳市豪视智能科技有限公司 | Bearing abnormity detection method and related equipment |
| CN110595779B (en) * | 2019-04-26 | 2021-10-12 | 深圳市豪视智能科技有限公司 | Bearing abnormity detection method and related equipment |
| CN117094992A (en) * | 2023-10-17 | 2023-11-21 | 广州长川科技有限公司 | Electrical equipment fault detection method and system based on image processing |
| CN117094992B (en) * | 2023-10-17 | 2024-03-12 | 广州长川科技有限公司 | Electrical equipment fault detection method and system based on image processing |
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