CN107664580A - A kind of motor health status monitoring instrument - Google Patents
A kind of motor health status monitoring instrument Download PDFInfo
- Publication number
- CN107664580A CN107664580A CN201610601251.4A CN201610601251A CN107664580A CN 107664580 A CN107664580 A CN 107664580A CN 201610601251 A CN201610601251 A CN 201610601251A CN 107664580 A CN107664580 A CN 107664580A
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- vibration
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- total value
- bearing
- health status
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- 230000003862 health status Effects 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000001228 spectrum Methods 0.000 claims abstract description 16
- 230000003321 amplification Effects 0.000 claims description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 13
- 230000036541 health Effects 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000010338 mechanical breakdown Methods 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of motor health status monitoring instrument, including data acquisition unit, data processing unit, memory cell, display unit and transmission unit；Data acquisition unit includes vibration temperature integral sensor, for measuring vibration and the bearing temperature of motor；The data that data processing unit gathers to data acquisition unit are sampled and handled；Memory cell is stored the vibration total value, rumble spectrum, envelope total value, envelope frequency spectrum and the bearing temperature that handle to obtain by data processing unit；Display unit is shown to the vibration total value, envelope total value, bearing temperature that gather, handle to obtain；Transmission unit wirelessly outwardly transmits the data of storage, and using self-timing transmission or manual transmission, the present invention can monitor motor vibration, bearing temperature, parts of bearings faulted condition simultaneously, and multi-parameter comprehensive expresses the health status of motor.
Description
Technical field
The present invention relates to electric motors, specifically a kind of vibration by monitoring motor, bearing temperature,
Parts of bearings faulted condition expresses the motor health status monitoring instrument of motor health status.
Background technology
The running state parameter of motor can be divided into two major classes, and one kind is electric state parameter, for example resistance,
Electric capacity, electric current, voltage, power, power factor etc., another kind of is machine performance parameter, such as motor
The machine performances such as vibration, bearing temperature, parts of bearings faulted condition.What the former represented is the function of motor
Index, what the latter represented is the health indicator of motor.The present invention relates to the prison of motor health indicator
Survey.
Monitoring in enterprise to motor health indicator at present, the artificial periodic monitoring of handheld instrument can only be leaned on
Obtain the data such as the vibration of motor, bearing temperature, parts of bearings damage, this mode by human factor,
The influence of the factors such as technical merit, measuring condition, tend not to reaction motor accurately and in time
Health status and cause the situation of motor fault, accident to happen occasionally, unnecessary loss is brought to enterprise
Even influence the normal production of enterprise.
The content of the invention
It is an object of the present invention to provide a kind of motor health status monitoring instrument, can monitor motor simultaneously and shake
Dynamic, bearing temperature, parts of bearings faulted condition, multi-parameter comprehensive express the health status of motor.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of motor health status monitoring instrument, including data acquisition unit, data processing unit, storage list
Member, display unit and transmission unit；
Data acquisition unit includes vibration temperature integral sensor, for measuring vibration and the bearing of motor
Temperature；
The data that data processing unit gathers to data acquisition unit are sampled and handled；
Memory cell by the vibration total value for handling to obtain by data processing unit, rumble spectrum, envelope total value,
Envelope frequency spectrum and bearing temperature are stored；
Display unit is shown to the vibration total value, envelope total value, bearing temperature that gather, handle to obtain；
Transmission unit wirelessly outwardly transmits the data of storage, using self-timing transmission or manually
Transmission.
Further, data processing unit includes amplification/filter circuit, A/D converter and central processing unit,
The signal output part of vibration temperature integral sensor is connected with the signal input part of amplification/filter circuit, institute
State the signal output part of amplification/filter circuit with the signal input part of A/D converter to be connected, the A/D turns
The signal output part of parallel operation is connected with the signal input part of central processing unit, the signal of the central processing unit
Output end is connected with the signal input part of display unit and memory cell.
Further, central processing unit uses two kinds of sample frequencys of 2.56kHz and 25.6kHz to vibration signal,
10Hz sample frequencys are used to bearing temperature.
Preferably, amplification/filter circuit is 4 ranks or 8 ranks.
Preferably, A/D converter is 16 or 24.
Preferably, display unit is liquid crystal display Folding-Screen or touch display screen.
Further, memory cell memory gap by 5min, 10min, 30min, 60min, 1h, 2h, 4h,
8h, 24h and the setting of self defined time interval, the data of storage more than 1 year, memory cell memory capacity are
8GB and more than.
Further, display unit represents vibration, bearing temperature, parts of bearings with green light, amber light, red light
Whether faulted condition is exceeded, and green light represents normal, and amber light represents early warning, and red light represents alarm, and with digital
Show the state of motor parameter.
Preferably, data processing unit access two-way or four tunnel vibration temperature integral sensors, vibration temperature
The vibration of integral sensor is uniaxially or biaxially.
A kind of processing method of motor health parameter, comprises the following steps：
Step 1：Sampled by 2.56kHz sample frequencys, frequency spectrum is calculated through FFT, calculates 10~1000H
Vibration total value, compared with GB/T6075 limit value, to judge the running status of motor；Give simultaneously
The spectrogram for going out 10~1000Hz is used for manual analysis imbalance, misaligned, the mechanical breakdown that machinery loosens；
Step 2：Sampled by 25.6kHz sample frequencys, envelope total value, which is calculated, through envelope is used to judge axle
State is held, envelope waveform is calculated through FFT 10~1000Hz envelope frequency spectrum, control bearing storehouse judges
There is the specific part damaged, bearing storehouse gives the characteristic frequency of each part of bearing of different model；
Step 3：Bearing temperature is sampled by 10Hz sample frequencys, for judge bearing whether overtemperature,
The temperature limit of bearing is 75 DEG C；
Step 4：Vibration total value, envelope total value and the bearing temperature obtained through above-mentioned processing and the valve of setting
Value is compared, exceeded to provide alarm signal.
The beneficial effects of the invention are as follows：
The present invention avoids human factor (including the inertia of people, mood, e measurement technology etc.) accurate to measurement data
The influence of true property；Solve after motor bearing in fan guard can not manual measurement and some personnel not
The problem of danger position, the hazard space that can be reached can not manually measure；High frequency time monitoring is realized to avoid one
Some fast-developing failures due to can not find in time and caused by accident.
The present invention will express the vibrations of motor health parameters, bearing temperature, parts of bearings faulted condition in the lump
Comprehensive Evaluation is monitored, the health status of motor can be reflected exactly, is the operation, maintenance, dimension of motor
Shield provides scientific basis, has significant advanced.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is motor health status monitoring instrument structured flowchart provided in an embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only part of the embodiment of the present invention, rather than
Whole embodiments.The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be with each
Different configurations is planted to arrange and design.Therefore, below to the embodiments of the invention that provide in the accompanying drawings
The scope for being not intended to limit claimed invention is described in detail, but is merely representative of the selected of the present invention
Embodiment.Based on embodiments of the invention, those skilled in the art are not making the premise of creative work
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Embodiment
In order to monitor motor vibration, bearing temperature, parts of bearings faulted condition simultaneously, multi-parameter is comprehensive
The health status of expression motor is closed, the embodiments of the invention provide a kind of motor health status monitoring instrument,
By monitoring the vibration of motor, bearing temperature, parts of bearings faulted condition come the strong of comprehensive descision motor
Health state, as a result accurately and reliably, have significant advanced.
As shown in figure 1, motor health status monitoring instrument includes vibration temperature integral sensor 101, put
Greatly/filter circuit 102, A/D converter 103, central processing unit 104, storage element 106, display are single
Member 107 and transmission unit 105；The signal output part of vibration temperature integral sensor 101 and amplification/filter
The signal input part of wave circuit 102 is connected, and vibration temperature integral sensor 101 is used to measure motor
Vibration and bearing temperature；The signal output part of the amplification/filter circuit and the signal of A/D converter are defeated
Enter end to be connected, the signal output part of the A/D converter 103 inputs with the signal of central processing unit 104
End is connected, signal output part and display unit 107 and the memory cell 106 of the central processing unit 104
Signal input part be connected, transmission unit 105 is connected with memory cell 106.
The data that vibration temperature integral sensor 101 gathers turn by amplification/filter circuit 102 and A/D
Parallel operation 103 transmits to central processing unit 104, central processing unit 104 and data is sampled and handled, are shaken
The vibration of dynamic temperature integral sensor 101 is uniaxially.
In another embodiment, amplification/filter circuit 102 accesses two-way or four tunnel vibration temperature integral types pass
Sensor 101, the vibration of vibration temperature integral sensor 101 is biaxially.
The processing method of motor health parameter, comprises the following steps：
Step 1：Sampled by 2.56kHz sample frequencys, frequency spectrum is calculated through FFT, calculates 10~1000H
Vibration total value, compared with GB/T6075 limit value, to judge the running status of motor；Give simultaneously
The spectrogram for going out 10~1000Hz is used for manual analysis imbalance, misaligned, the mechanical breakdown that machinery loosens；
Step 2：Sampled by 25.6kHz sample frequencys, envelope total value, which is calculated, through envelope is used to judge axle
State is held, envelope waveform is calculated through FFT 10~1000Hz envelope frequency spectrum, control bearing storehouse judges
There is the specific part damaged, bearing storehouse gives the characteristic frequency of each part of bearing of different model；
Step 3：Bearing temperature is sampled by 10Hz sample frequencys, for judge bearing whether overtemperature,
The temperature limit of bearing is 75 DEG C；
Step 4：Vibration total value, envelope total value and the bearing temperature obtained through above-mentioned processing and the valve of setting
Value is compared, exceeded to provide alarm signal.
Handled by above method, obtain vibrate total value, rumble spectrum, envelope total value, envelope frequency spectrum and
The data of bearing temperature, memory cell 106 are stored data above to be further processed.
The present invention display unit 107 acquisition process is obtained vibration total value, envelope total value, bearing temperature
Shown.
The display mode of display unit 107 in the embodiment of the present invention have it is a variety of, in order that the embodiment of the present invention
Operation principle is apparent, and the embodiments of the invention provide one of which implementation：
Display unit 107 represents vibration, bearing temperature, parts of bearings damage shape with green light, amber light, red light
Whether state is exceeded, and green light expression is normal, and amber light represents early warning, and red light represents alarm, and electric with numerical monitor
The state of motivation parameter.The display unit 107 of the present invention uses the side of the state of dual display motor parameter
Formula, i.e. the combination of numeral and lamp is shown, facilitates monitoring of the operating personnel to motor health status.
For preferably display, display unit 107 of the invention is liquid crystal display Folding-Screen, when needing touch control operation,
Display unit 107 can use touch display screen.
In addition, for convenience of transmission data, transmission unit 105 wirelessly outwardly passes the data of storage
It is defeated, using self-timing transmission or manual transmission.
Preferably collection signal is handled, the amplification/filter circuit 102 of the present embodiment is 4 ranks or 8 ranks.
A/D converter 103 is 16 or 24.
Memory cell 106 is by the vibration total value for handling to obtain by data processing unit, rumble spectrum, envelope
Total value, envelope frequency spectrum and bearing temperature are stored, the memory gap of memory cell 106 by 5min, 10min,
30min, 60min, 1h, 2h, 4h, 8h, 24h and the setting of self defined time interval, are stored more than 1 year
Data, memory cell memory capacity be 8GB and more than.
The present invention will express the vibrations of motor health parameters, bearing temperature, parts of bearings faulted condition in the lump
Comprehensive Evaluation is monitored, the health status of motor can be reflected exactly, is the operation, maintenance, dimension of motor
Shield provides scientific basis, has significant advanced.
The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, for
For those skilled in the art, the present invention can have various modifications and variations.It is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., the protection model of the present invention should be included in
Within enclosing.
Claims (10)
1. a kind of motor health status monitoring instrument, it is characterised in that including data acquisition unit, data
Processing unit, memory cell, display unit and transmission unit；
Data acquisition unit includes vibration temperature integral sensor, for measuring vibration and the bearing of motor
Temperature；
The data that data processing unit gathers to data acquisition unit are sampled and handled；
Memory cell by the vibration total value for handling to obtain by data processing unit, rumble spectrum, envelope total value,
Envelope frequency spectrum and bearing temperature are stored；
Display unit is shown to the vibration total value, envelope total value, bearing temperature that gather, handle to obtain；
Transmission unit wirelessly outwardly transmits the data of storage, using self-timing transmission or manually
Transmission.
2. a kind of motor health status monitoring instrument according to claim 1, it is characterised in that at data
Reason unit includes amplification/filter circuit, A/D converter and central processing unit, vibration temperature integral sensor
Signal output part be connected with the signal input part of amplification/filter circuit, the letter of the amplification/filter circuit
Number output end is connected with the signal input part of A/D converter, the signal output part of the A/D converter with
The signal input part of central processing unit is connected, the signal output part of the central processing unit and display unit and
The signal input part of memory cell is connected.
A kind of 3. motor health status monitoring instrument according to claim 2, it is characterised in that centre
Reason device uses two kinds of sample frequencys of 2.56kHz and 25.6kHz to vibration signal, and 10Hz is used to bearing temperature
Sample frequency.
A kind of 4. motor health status monitoring instrument according to claim 2, it is characterised in that amplification/
Filter circuit is 4 ranks or 8 ranks.
5. a kind of motor health status monitoring instrument according to claim 2, it is characterised in that A/D turns
Parallel operation is 16 or 24.
6. a kind of motor health status monitoring instrument according to claim 1, it is characterised in that display is single
Member is liquid crystal display Folding-Screen or touch display screen.
7. a kind of motor health status monitoring instrument according to claim 1, it is characterised in that storage is single
First memory gap by 5min, 10min, 30min, 60min, 1h, 2h, 4h, 8h, 24h and it is self-defined when
Between be spaced setting, the storage data of more than 1 year, memory cell memory capacity for 8GB and more than.
8. a kind of motor health status monitoring instrument according to claim 1, it is characterised in that display is single
Member represents whether vibration, bearing temperature, parts of bearings faulted condition are exceeded with green light, amber light, red light, green
Lamp represents normal, and amber light represents early warning, and red light represents alarm, and with the state of numerical monitor motor parameter.
9. a kind of motor health status monitoring instrument according to claim 1, it is characterised in that at data
Manage unit access two-way or four tunnel vibration temperature integral sensors, the vibration of vibration temperature integral sensor
For uniaxially or biaxially.
10. a kind of processing method of motor health parameter, it is characterised in that comprise the following steps：
Step 1：Sampled by 2.56kHz sample frequencys, frequency spectrum is calculated through FFT, calculates 10~1000H
Vibration total value, compared with GB/T6075 limit value, to judge the running status of motor；Give simultaneously
The spectrogram for going out 10~1000Hz is used for manual analysis imbalance, misaligned, the mechanical breakdown that machinery loosens；
Step 2：Sampled by 25.6kHz sample frequencys, envelope total value, which is calculated, through envelope is used to judge axle
State is held, envelope waveform is calculated through FFT 10~1000Hz envelope frequency spectrum, control bearing storehouse judges
There is the specific part damaged, bearing storehouse gives the characteristic frequency of each part of bearing of different model；
Step 3：Bearing temperature is sampled by 10Hz sample frequencys, for judge bearing whether overtemperature,
The temperature limit of bearing is 75 DEG C；
Step 4：Vibration total value, envelope total value and the bearing temperature obtained through above-mentioned processing and the valve of setting
Value is compared, exceeded to provide alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601251.4A CN107664580A (en) | 2016-07-27 | 2016-07-27 | A kind of motor health status monitoring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601251.4A CN107664580A (en) | 2016-07-27 | 2016-07-27 | A kind of motor health status monitoring instrument |
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| CN107664580A true CN107664580A (en) | 2018-02-06 |
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| CN201610601251.4A Pending CN107664580A (en) | 2016-07-27 | 2016-07-27 | A kind of motor health status monitoring instrument |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813422A (en) * | 2018-07-30 | 2019-05-28 | 杭州哲达科技股份有限公司 | One kind being used for running device Ankang method of real-time |
| CN110894858A (en) * | 2018-09-11 | 2020-03-20 | 斯凯孚公司 | Health monitoring system |
| CN113432741A (en) * | 2021-08-02 | 2021-09-24 | 龙口矿业集团有限公司 | Motor and bearing detection system of large-scale equipment for coal mine |
| CN113532858A (en) * | 2021-08-26 | 2021-10-22 | 上海航数智能科技有限公司 | Bearing fault diagnosis system for gas turbine |
| CN115561006A (en) * | 2022-12-07 | 2023-01-03 | 天津通信广播集团有限公司 | Modularized multi-core different-architecture remote real-time monitoring system for rotary mechanical equipment |
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| CN115561006A (en) * | 2022-12-07 | 2023-01-03 | 天津通信广播集团有限公司 | Modularized multi-core different-architecture remote real-time monitoring system for rotary mechanical equipment |
| CN115561006B (en) * | 2022-12-07 | 2023-03-07 | 天津通信广播集团有限公司 | Modularized multi-core different-architecture remote real-time monitoring system for rotary mechanical equipment |
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