CN107941327A - The monitoring method and monitoring device of a kind of mechanical equipment - Google Patents
The monitoring method and monitoring device of a kind of mechanical equipment Download PDFInfo
- Publication number
- CN107941327A CN107941327A CN201810003734.3A CN201810003734A CN107941327A CN 107941327 A CN107941327 A CN 107941327A CN 201810003734 A CN201810003734 A CN 201810003734A CN 107941327 A CN107941327 A CN 107941327A
- Authority
- CN
- China
- Prior art keywords
- vibration
- mechanical equipment
- signal
- vibration vector
- vector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 82
- 238000012544 monitoring process Methods 0.000 title claims abstract description 49
- 238000012806 monitoring device Methods 0.000 title claims description 20
- 239000013598 vector Substances 0.000 claims abstract description 144
- 230000008569 process Effects 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000004458 analytical method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 8
- 238000004088 simulation Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The present invention provides at a kind of monitoring method of mechanical equipment, including：Receive key signal and vibration signal of the mechanical equipment under a certain working status；Using the key signal as phase reference, vibration vector of the mechanical equipment under the working status is obtained according to the vibration signal, the vibration vector includes amplitude and phase；Learn normal vibration vector space of the mechanical equipment under the working status based on multiple vibration vector data；When the vibration vector exceeds the normal vibration vector space, alarm signal is sent, and learn the normal vibration vector space under subsequent work state.The embodiment of the present invention uses above-mentioned technical proposal, and the state of vector analysis, including the monitoring to start and stop process and normal course of operation, autonomous learning and tracking mechanical equipment can be done to vibration signal, reaches early detection equipment fault.
Description
Technical field
The present invention relates to monitoring field, more particularly to the monitoring method and monitoring device of a kind of mechanical equipment.
Background technology
For mechanical equipment, most failures are all, vibration detection tools closely related with mechanical movement or vibration
There is the characteristics of direct, real-time and fault type wide coverage.Vibration is that detection mechanical equipment state changes most effective physics
Amount.Traditional vibration monitoring and early warning is based on scalar, i.e., based on vibration gross energy and each harmonic energy size and change
Change trend changes to detect mechanical equipment state.Meanwhile shape when traditional vibration monitoring and early warning concern machine normal operation
State changes, and ignores state change of the equipment during start and stop, and start and stop process is not analysed in depth.Therefore,
Traditional vibration monitoring based on scalar and ignore state-detection during start and stop, alarm threshold is single, and can not be
From motion tracking when mechanical equipment state changes, it is difficult to find failure in earliest period, it is thus possible to cause failing to report and causing for failure
Serious mechanical equipment fault.
The content of the invention
The embodiment of the present invention provides the monitoring method and monitoring device of mechanical equipment, of the prior art to solve or alleviate
One or more technical problems.
As the one side of the embodiment of the present invention, the embodiment of the present invention provides a kind of monitoring method of mechanical equipment, bag
Include：
Receive the key signal and vibration signal of mechanical equipment in the first operative state；
Using the key signal as phase reference, the mechanical equipment is obtained in the first work according to the vibration signal
The first vibration vector under state, first vibration vector include the first amplitude and first phase；
Based on multiple first vibration vectors learn the mechanical equipment under first working status first just
Normal vibration vector space；
When first vibration vector exceeds the first normal vibration vector space, transmission alarm signal.
In certain embodiments, the step of obtaining first vibration vector includes：
Obtain first vibration vector of the vibration signal in multiple Frequency points.
In certain embodiments, the monitoring method further includes：
Obtain the process variable of the mechanical equipment；
Learn the first normal vibration vector space based on multiple first vibration vectors and the process variable；
When the point that first vibration vector and the process variable are formed exceedes the first normal vibration vector space, hair
Send alarm signal.
In certain embodiments, the process variable includes the rotating speed of the mechanical equipment, and the monitoring method includes basis
The key signal obtains the process variable.
In certain embodiments, the process variable includes the flow or temperature or pressure of the mechanical equipment.
In certain embodiments, described when first vibration vector is empty beyond the first normal vibration vector
Between, send alarm signal the step of after further include：
Intensive storage first vibration vector.
In certain embodiments, described when first vibration vector is empty beyond the first normal vibration vector
Between, send alarm signal the step of after, further include：
Receive the mechanical equipment key signal in a second operative state and the vibration signal；
Using the key signal as phase reference, the mechanical equipment is obtained in the second work according to the vibration signal
The second vibration vector under state, second vibration vector include the second amplitude and second phase；
Based on multiple second vibration vectors learn the mechanical equipment under second working status second just
Normal vibration vector space；
When second vibration vector exceeds the second vibration vector space, transmission alarm signal.
In certain embodiments, described when second vibration vector exceeds the second vibration vector space, hair
After the step of sending alarm signal, further include：
Learn normal vibration vector space of the mechanical equipment under subsequent work state.
In certain embodiments, first working status includes the start-up course and/or stopping process of the mechanical equipment
And/or working status during normal operation.
As the other side of the embodiment of the present invention, the embodiment of the present invention provides a kind of monitoring device of mechanical equipment,
Including：
Receiving module, for receiving the key signal and vibration signal of mechanical equipment；
Vibration vector acquisition module, for using the key signal as phase reference, being obtained according to the vibration signal
Vibration vector, the vibration vector include amplitude and phase；
Normal vibration vector space acquisition module, for learning the mechanical equipment just based on multiple vibration vectors
Normal vibration vector space；
Alarm signal sending module, for exceeding the normal vibration vector space when the vibration vector, sends alarm
Signal.
The embodiment of the present invention uses above-mentioned technical proposal, and vector analysis is done to vibration signal, including to start and stop process
The state of monitoring, autonomous learning and tracking mechanical equipment, reaches early detection equipment fault.
Above-mentioned general introduction is merely to illustrate that the purpose of book, it is not intended to is limited in any way.Except foregoing description
Schematical aspect, outside embodiment and feature, it is further by reference to attached drawing and the following detailed description, the present invention
Aspect, embodiment and feature would is that what is be readily apparent that.
Brief description of the drawings
In the accompanying drawings, unless specified otherwise herein, otherwise represent the same or similar through the identical reference numeral of multiple attached drawings
Component or element.What these attached drawings were not necessarily to scale.It should be understood that these attached drawings depict only according to the present invention
Some disclosed embodiments, and should not serve to limit the scope of the present invention.
Fig. 1 is the monitoring device of embodiment one and the structure diagram of mechanical equipment.
Fig. 2 is the flow chart one of the monitoring method of embodiment three.
Fig. 3 is the schematic diagram of the first vibration vector of embodiment three.
Fig. 4 is the self-learning method schematic diagram of embodiment three.
Fig. 5 is the flowchart 2 of the monitoring method of embodiment three.
Fig. 6 is the schematic diagram of the second vibration vector of embodiment three.
Fig. 7 is the flow chart of the monitoring method of example IV.
Fig. 8 is the working status vector space schematic diagram of the mechanical equipment of example IV.
Fig. 9 is the structure diagram of the monitoring device of embodiment five.
Figure 10 is the structure diagram of the monitoring device of embodiment six.
Embodiment
Hereinafter, some exemplary embodiments are simply just described.As one skilled in the art will recognize that
Like that, without departing from the spirit or scope of the present invention, described embodiment can be changed by various different modes.
Therefore, attached drawing and description are considered essentially illustrative rather than restrictive.
Embodiment one
Please refer to Fig.1 as the present embodiment provides a kind of monitoring device, for monitoring the state change of mechanical equipment 10.This
The monitoring device of embodiment includes sensor 100, data acquisition equipment 200 and first server 300.
Sensor 100 is used for the state simulation signal for measuring mechanical equipment 10, for example, sensor 100 can include installation
In the vibrating sensor 110 of mechanical equipment 10, for the vibration signal in measuring state analog signal.In general, mechanical equipment
10 vibration signal includes displacement signal, speed signal or acceleration signal, and therefore, vibrating sensor 110 can include displacement
Sensor, for measuring displacement signal；Vibrating sensor 110 can also include velocity sensor, for measuring speed signal；Shake
Dynamic sensor 110 can also include acceleration transducer, for measuring acceleration signal.
Preferably, sensor 100 can also include temperature sensor and/or pressure sensor and/or flow sensor, use
In the process variable signal of measurement mechanical equipment 10, such as temperature signal, pressure signal, flow signal.
Wherein, state simulation signal is analog signal, and therefore, data acquisition unit 200 is connected to sensor 100, is used for
Digital signal is converted analog signals into, i.e., state simulation signal is converted into status number signal.
Preferably, monitoring device can also include the secondary instrument being connected between sensor 100 and data acquisition unit 200
Table 500, for input data collecting unit 200 after state simulation signal is buffered.
Preferably, data acquisition unit 200 can include amplifier 210, for by state simulation signal enhanced processing；Number
It can also include wave filter 220 according to collecting unit 200, for by state simulation signal filtering process.
Status number signal transmission is taken status number signal by data acquisition unit 200 by way of network to first
Business device 300.Preferably, first server 300 is usually local device, and first server 300 is by telecommunication network by status number
Word signal transmission is to second server 400.
400 reception state digital signal of first server 300 and second server, and stored.Meanwhile first service
Device 300 and second server 400 can issue status number signal in LAN, and all computers can in LAN
Data are browsed and analyzed by client software, draw fault diagnosis report.
Embodiment two
The present embodiment provides a kind of monitoring method of mechanical equipment 10, the monitoring device applied to embodiment one.
Step S10, mechanical equipment 10 enter the first working status, including vibrating mechanism 11 and Jian Xiang mechanisms 12 enter first
Working status；
Step S20, sensor 100 measure the state simulation signal of mechanical equipment 10；
State simulation signal is converted to status number signal by step S30, data acquisition unit 200；
Step S40,300 reception state digital signal of first server；
Step S50, second server 400 receive the status number signal from first server 300 by telecommunication network；
Step S60, client receive the status number signal from second server 400.
Preferably, the monitoring method of the present embodiment further includes：
Step S70, first server 300 or second server 400 or client carry out at analysis status number signal
Reason, to obtain the fault diagnosis report of mechanical equipment 10.
Embodiment three
A kind of monitoring method of mechanical equipment is present embodiments provided, applied to the monitoring device in embodiment one, such as Fig. 2
Shown, the monitoring method of the present embodiment includes step S110, step S120, step S130, step S140 and step S150.
Step S110, receives the key signal and vibration signal of mechanical equipment in the first operative state.
Step S120, using key signal as phase reference, mechanical equipment is obtained in the first work shape according to vibration signal
The first vibration vector under state, the first vibration vector are made of the first amplitude and first phase；
The schematic diagram of the first vibration vector V1 is illustrated in figure 3, wherein, the vector standard using key signal as vibration,
In one cycle, its phase is changed into 360 degree from 0 degree to key signal, and the interior angle of circle C is changed into 360 degree from 0 degree.First vibration arrow
The first amplitude of amount V1 is A1, and the first phase P1 of the first vibration vector V1 is the angle of A1.
Step S130, based on multiple first vibration vector V1 study mechanical equipment in the first operative state first normal
Vibration vector space Q1, refers to Fig. 4.
Step S140, as the first vibration vector (being, for example, V1 ') vector space Q1 normal more than first, sends alarm signal
Number, refer to Fig. 4.
Step S150, the first vibration vector of intensive storage, i.e., jump out the first normal vibration vector sky in the first vibration vector
Between after carry out highdensity data acquisition and triggering stores.
It should be noted that in step 150, can also include in intensive storage other data, such as example IV
Process variable, i.e., the data of intensive storage are not limited to the first vibration vector in step 150, can store dependency number as needed
According to.
That is, after mechanical equipment runs a period of time in the first operative state, adopted by step S110 and S120
Collect the first vibration vector of mechanical equipment, then learn the first normal vibration vector under the first working status by step S130
Space Q1.When the working status change of mechanical equipment, the first vibration vector (being, for example, V1 ') is caused to jump out the first normal vibration arrow
Quantity space Q1, alarm signal is sent by step S140, and highdensity data are then carried out in step S150, and (including first shake
Dynamic vector) gather and store (triggering storage).
Preferably, the monitoring method of the present embodiment can include obtaining first vibration arrow of the vibration signal in multiple Frequency points
Amount, i.e., be expanded to multiple Frequency points in addition to fundamental frequency, so as to monitoring vibration signal in multiple Frequency points by monitoring frequency
Vibration vector, make monitoring range wider.
Preferably, as shown in figure 5, further including step S210, step S220, step S230 and step after the step s 150
S240。
Step S210, receives the key signal and vibration signal of mechanical equipment in a second operative state.
Step S220, using key signal as phase reference, mechanical equipment is obtained in the second work shape according to vibration signal
The second vibration vector V2 under state, wherein, the second vibration vector V2 includes the second amplitude A 2 and second phase P2, its acquisition methods
It can refer to shown in step S120 and Fig. 6, i.e. the second vibration vector V2 is using the key signal under the second working status as vibration
Vector standard, obtain the second amplitude A 2 and second phase P2.
Step S230, based on multiple second vibration vector V2 study mechanical equipment in a second operative state second normal
Vibration vector space Q2, refers to shown in Fig. 4.
Step S240, when the second vibration vector (being, for example, V2 ') exceeds the second normal vibration vector space Q2, transmission alarm
Signal, refers to shown in Fig. 4.
After step S240, step S250 can also be included：Carry out highdensity data (including the second vibration vector or
Other data) (triggering storage) is gathered and stores, to obtain the fault data of equipment.
Step S260 is further included after step S250, starts study mechanical equipment normally shaking under subsequent work state
Dynamic vector space.
The present embodiment is to carry out example with two working statuses (the first working status and the second working status), but this is not
It is the limitation to working status quantity, constantly changes with the working status of mechanical equipment, the monitoring method of the present embodiment can be with
Constantly into line trace and study.That is, the monitoring method of the present embodiment possesses self-learning function, when mechanical equipment work shape
When state changes, the new working status of mechanical equipment can be tracked automatically, when the vibration signal collected can obtain enough
Learning sample when, the normal vibration vector under new working status can be established based on the vibration vector under new working status
Space, realizes self study.
It should be noted that in the present embodiment, the working status of mechanical equipment can be the start-up course of mechanical equipment,
Can be with the stopping process of mechanical equipment, or some working status of mechanical equipment in normal operation.
The monitoring method of the present embodiment carries out vector analysis using key signal as 0 phase reference, to vibration signal, to machine
Tool equipment normal operating condition is analyzed, and when mechanical equipment fault, carries out fault pre-alarming.When mechanical equipment working status is sent out
After changing, system can learn vibration vector and normal vibration vector space under new working status automatically, lasting tracking
Equipment state changes, and is analysed in depth.
Traditional monitoring and alarm is based on scalar, i.e., monitors machinery based on vibration gross energy size and variation tendency
Equipment, and the monitoring method of the present embodiment is based on vector, as shown in figure 4, traditional monitoring method can only be in vibration signal
Just meeting early warning during more than forecast thresholding Q3 or main report thresholding Q4, and the method for the present embodiment is sweared in vibration vector more than normal vibration
Alarm signal will be sent during quantity space (such as Q1 or Q2), therefore monitoring is sensitiveer more accurate.
Example IV
The monitoring method of the present embodiment is to add monitoring variable on the basis of embodiment three, as shown in fig. 7, the present embodiment
Monitoring method further include：
Step S310, obtains the process variable of mechanical equipment；
Step S320, using process variable as third dimension coordinate, with reference to the normal vibration arrow that the study of multiple vibration vectors is three-dimensional
Quantity space；
Step S330, when the point that vibration vector and process variable are formed exceedes normal vibration vector space, transmission alarm signal.
Process variable can be the rotating speed of mechanical equipment, or other works such as flow, pressure or temperature of mechanical equipment
Skill parameter, the present embodiment obtain the rotating speed of mechanical equipment according to the key signal of mechanical equipment using rotating speed as process variable, will turn
Speed is used as Z axis, and vibration vector learns three-dimensional normal vibration vector space, as shown in Figure 8 as X-axis and Y-axis.
When mechanical equipment starts or when stopping, by measuring key signal, can collect mechanical equipment start or
The rotating speed of stopped process.By continuous collection machinery equipment in the vibration signal during starting or stoping and when working normally
And key signal, go out normal vibration vector space using rotating speed as third dimension information structuring, intuitively show mechanical equipment just
Often normal vibration vector space residing during work.When mechanical equipment working status changes, its working status is represented
Point (point that vibration vector and rotating speed are formed) will deviate from normal vibration vector space.
It should be noted that can also be using other process variables as Z axis, such as by the flow of mechanical equipment or pressure or temperature
Deng technological parameter as Z axis.
According to the method for the present embodiment, the process that starts or stops of mechanical equipment can be monitored, early detection event
Barrier, avoids the further development and the generation of secondary disaster of failure, can substantially reduce maintenance of equipment expense.Meanwhile in early stage
It was found that failure, can carry out early intervention to failure, effectively avoid the emergency of mechanical equipment, improve its operational reliability.
Embodiment five
As shown in figure 9, the present embodiment provides a kind of monitoring device of mechanical equipment, the monitoring side of embodiment three is used for realization
Method.The monitoring device of the present embodiment includes receiving module 210, vibration vector acquisition module 220, normal vibration vector space and obtains
Module 230 and alarm signal sending module 240.
Receiving module 210 is used for the key signal and vibration signal for receiving mechanical equipment；Vibration vector acquisition module 220 is used
In using the key signal as phase reference, vibration vector is obtained according to vibration signal, the vibration vector include amplitude and
Phase；Normal vibration vector space acquisition module 230 is used to learn normally shaking for the mechanical equipment based on multiple vibration vectors
Dynamic vector space；Alarm signal sending module 240 is sent for exceeding the normal vibration vector space when the vibration vector
Alarm signal.
Preferably, the monitoring device of the present embodiment further includes triggering memory module 250 and is used to store the mechanical equipment
Key signal and vibration signal.
Embodiment six
As shown in Figure 10, the present embodiment provides a kind of monitoring device of mechanical equipment, it is used for realization the monitoring of example IV
Method.The monitoring device of the present embodiment include receiving module 210, vibration vector acquisition module 220, process variable acquisition module 320,
Normal vibration vector space acquisition module 330 and alarm signal sending module 340.
Receiving module 210 is used for the key signal and vibration signal for receiving mechanical equipment；Vibration vector acquisition module 220 is used
In using the key signal as phase reference, the vibration vector of the vibration signal is obtained；Process variable acquisition module 320 is used for
The process variable of the mechanical equipment is obtained, the rotating speed of mechanical equipment is such as obtained according to key signal；Normal vibration vector space obtains
Modulus block 330 is used for the normal vibration vector space for learning the mechanical equipment based on multiple vibration vectors and process variable；
Alarm signal sending module 340 is used for when the point that the vibration vector and the process variable are formed exceedes the normal vibration vector
Space, sends alarm signal.
Preferably, the monitoring device of the present embodiment further includes triggering memory module 350 and is used to store the mechanical equipment
Vibration vector and process variable.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the different embodiments or example described in this specification and different embodiments or exemplary spy
Sign is combined and combines.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or hidden
Include at least one this feature containing ground.In the description of the present invention, " multiple " are meant that two or more, unless otherwise
It is clearly specific to limit.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include
Module, fragment or the portion of the code of the executable instruction of one or more the step of being used for realization specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic at the same time in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress used with reference to these instruction execution systems, device or equipment
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Connecting portion (electronic device), portable computer diskette box (magnetic device), random access storage device (RAM), read-only memory device
(ROM), erasable editable read-only memory device (EPROM or flash memory devices), fiber device, and portable read-only deposit
Storage device (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium because can for example by carrying out optical scanner to paper or other media, then into edlin, interpretation or if necessary with
Other suitable methods are handled electronically to obtain described program, are then stored in Computer Memory Unit.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, multiple steps or method can be performed soft in the storage device and by suitable instruction execution system with storage
Part or firmware are realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of following technology or their combination are realized：With the logic gate electricity for realizing logic function to data-signal
The discrete logic on road, has the application-specific integrated circuit of suitable combinational logic gate circuit, and programmable gate array (PGA) is existing
Field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries
Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can also
That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized in the form of software function module and as independent production marketing or in use, can also be stored in a computer
In readable storage medium storing program for executing.The storage medium can be read-only memory device, disk or CD etc..
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, its various change or replacement can be readily occurred in,
These should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the guarantor of the claim
Protect subject to scope.
Claims (10)
- A kind of 1. monitoring method of mechanical equipment, it is characterised in that including：Receive the key signal and vibration signal of mechanical equipment in the first operative state；Using the key signal as phase reference, the mechanical equipment is obtained in the first working status according to the vibration signal Under the first vibration vector, first vibration vector includes the first amplitude and first phase；Learn the mechanical equipment first normally shaking under first working status based on multiple first vibration vectors Dynamic vector space；When first vibration vector exceeds the first normal vibration vector space, transmission alarm signal.
- 2. monitoring method according to claim 1, it is characterised in that the step of obtaining first vibration vector includes：Obtain first vibration vector of the vibration signal in multiple Frequency points.
- 3. monitoring method according to claim 1, it is characterised in that the monitoring method further includes：Obtain the process variable of the mechanical equipment；Learn the first normal vibration vector space based on multiple first vibration vectors and the process variable；When the point that first vibration vector and the process variable are formed exceedes the first normal vibration vector space, transmission report Alert signal.
- 4. monitoring method according to claim 3, it is characterised in that the process variable includes turning for the mechanical equipment Speed, the monitoring method include obtaining the process variable according to the key signal.
- 5. monitoring method according to claim 3, it is characterised in that the process variable includes the flow of the mechanical equipment Or temperature or pressure.
- 6. monitoring method according to claim 1, it is characterised in that described when first vibration vector exceeds institute Further included after the step of stating the first normal vibration vector space, sending alarm signal：Intensive storage first vibration vector.
- 7. monitoring method according to any one of claims 1 to 6, it is characterised in that described when the described first vibration Vector exceeds the first normal vibration vector space, after the step of sending alarm signal, further includes：Receive the mechanical equipment key signal in a second operative state and the vibration signal；Using the key signal as phase reference, the mechanical equipment is obtained in the second working status according to the vibration signal Under the second vibration vector, second vibration vector includes the second amplitude and second phase；Learn the mechanical equipment second normally shaking under second working status based on multiple second vibration vectors Dynamic vector space；When second vibration vector exceeds the second vibration vector space, transmission alarm signal.
- 8. monitoring method according to claim 7, it is characterised in that described when second vibration vector exceeds institute After the step of stating the second vibration vector space, sending alarm signal, further include：Learn normal vibration vector space of the mechanical equipment under subsequent work state.
- 9. monitoring method according to claim 1, it is characterised in that first working status includes the mechanical equipment Start-up course and/or stopping process and/or normal operation when working status.
- A kind of 10. monitoring device of mechanical equipment, it is characterised in that including：Receiving module, for receiving the key signal and vibration signal of mechanical equipment；Vibration vector acquisition module, for using the key signal as phase reference, being obtained and being vibrated according to the vibration signal Vector, the vibration vector include amplitude and phase；Normal vibration vector space acquisition module, shakes for learning the normal of the mechanical equipment based on multiple vibration vectors Dynamic vector space；Alarm signal sending module, for exceeding the normal vibration vector space when the vibration vector, sends alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810003734.3A CN107941327B (en) | 2018-01-03 | 2018-01-03 | Monitoring method and monitoring device for mechanical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810003734.3A CN107941327B (en) | 2018-01-03 | 2018-01-03 | Monitoring method and monitoring device for mechanical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107941327A true CN107941327A (en) | 2018-04-20 |
| CN107941327B CN107941327B (en) | 2024-06-07 |
Family
ID=61937326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810003734.3A Active CN107941327B (en) | 2018-01-03 | 2018-01-03 | Monitoring method and monitoring device for mechanical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107941327B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1370983A (en) * | 2001-02-14 | 2002-09-25 | 深圳市创为实测控技术有限公司 | Sensitive rotating machines monitoring and data storing method |
| CN1514209A (en) * | 2003-08-01 | 2004-07-21 | 重庆大学 | Rotary machine failure intelligent diagnosis method and device |
| CN101387575A (en) * | 2008-10-20 | 2009-03-18 | 兖矿国泰化工有限公司 | Rotor bearing system failure perfect information analytical method and apparatus |
| CN102012263A (en) * | 2010-11-11 | 2011-04-13 | 华北电力大学 | Method for identifying turbine unit rotor vibration in-phase component stability in real time |
| CN202255643U (en) * | 2011-08-29 | 2012-05-30 | 江阴康强电子有限公司 | Monitoring protection device for rotary machinery |
| CN103162816A (en) * | 2013-02-28 | 2013-06-19 | 唐山开诚电控设备集团有限公司 | Vibration monitoring method based on sensors |
| CN104165138A (en) * | 2014-07-03 | 2014-11-26 | 浙江中自庆安新能源技术有限公司 | Pump group state online monitoring system and method |
| EP2615440B1 (en) * | 2010-09-07 | 2015-08-12 | Advanced Vector Analytics Sia | Method for reconstructing a three-dimensional model of the physical state of a monitoring object at a measurement point |
| CN205642844U (en) * | 2016-05-10 | 2016-10-12 | 中科合肥微小型燃气轮机研究院有限责任公司 | Gas turbine test platform test system |
-
2018
- 2018-01-03 CN CN201810003734.3A patent/CN107941327B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1370983A (en) * | 2001-02-14 | 2002-09-25 | 深圳市创为实测控技术有限公司 | Sensitive rotating machines monitoring and data storing method |
| CN1514209A (en) * | 2003-08-01 | 2004-07-21 | 重庆大学 | Rotary machine failure intelligent diagnosis method and device |
| CN101387575A (en) * | 2008-10-20 | 2009-03-18 | 兖矿国泰化工有限公司 | Rotor bearing system failure perfect information analytical method and apparatus |
| EP2615440B1 (en) * | 2010-09-07 | 2015-08-12 | Advanced Vector Analytics Sia | Method for reconstructing a three-dimensional model of the physical state of a monitoring object at a measurement point |
| CN102012263A (en) * | 2010-11-11 | 2011-04-13 | 华北电力大学 | Method for identifying turbine unit rotor vibration in-phase component stability in real time |
| CN202255643U (en) * | 2011-08-29 | 2012-05-30 | 江阴康强电子有限公司 | Monitoring protection device for rotary machinery |
| CN103162816A (en) * | 2013-02-28 | 2013-06-19 | 唐山开诚电控设备集团有限公司 | Vibration monitoring method based on sensors |
| CN104165138A (en) * | 2014-07-03 | 2014-11-26 | 浙江中自庆安新能源技术有限公司 | Pump group state online monitoring system and method |
| CN205642844U (en) * | 2016-05-10 | 2016-10-12 | 中科合肥微小型燃气轮机研究院有限责任公司 | Gas turbine test platform test system |
Non-Patent Citations (1)
| Title |
|---|
| 余佳兵等: "机组状态灵敏监测技术及其应用", 设备管理与维修, no. 2, pages 31 - 33 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107941327B (en) | 2024-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110888783B (en) | Method and device for monitoring micro-service system and electronic equipment | |
| CN101241359A (en) | A method and a control system for monitoring the condition of an industrial robot | |
| Song et al. | A simulation model based fault diagnosis method for bearings | |
| CN104898013A (en) | Method and system for diagnosing circuit fault based on acoustical measurement | |
| CN109460009A (en) | A kind of industrial control system reliability test system and test method | |
| JP7481537B2 (en) | Information processing system, information processing method, and information processing device | |
| US11112449B2 (en) | Flexible and scalable monitoring systems for industrial machines | |
| CN207689003U (en) | A kind of monitoring device of mechanical equipment | |
| CN108153654A (en) | A kind of log collecting method and device | |
| JP2005215833A (en) | Status monitoring system and status monitoring method | |
| US11561525B2 (en) | Flexible condition monitoring of industrial machines | |
| CN112507585B (en) | Dynamic response reconstruction method and system based on EMD and model polycondensation, and storage medium | |
| EP3660614B1 (en) | Exception-based route plan generation | |
| CN107941327A (en) | The monitoring method and monitoring device of a kind of mechanical equipment | |
| Jauregui-Correa | Identification of nonlinearities in mechanical systems using recurrence plots | |
| Kolar et al. | Condition monitoring of rotary machinery using industrial IOT framework: Step to smart maintenance | |
| US10649879B2 (en) | Integration of diagnostic instrumentation with machine protection system | |
| JP5157844B2 (en) | Fault location identification system, fault location identification method | |
| CN206618488U (en) | Low-frequency vibration detection device | |
| JP2003216236A (en) | Device for maintaining and managing plant | |
| Kumari et al. | A Thing Speak IoT Based Vibration Measurement and Monitoring System Using an Accelerometer sensor | |
| US11592471B2 (en) | Monitoring systems for industrial machines having dynamically adjustable computational units | |
| EP3474106B1 (en) | Event list management system | |
| US11853330B1 (en) | Data structure navigator | |
| US20240077866A1 (en) | Information management apparatus, information management method, and computer-readable recording medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |