CN109489795A - A kind of self-energizing vibrating sensor - Google Patents
A kind of self-energizing vibrating sensor Download PDFInfo
- Publication number
- CN109489795A CN109489795A CN201811617706.7A CN201811617706A CN109489795A CN 109489795 A CN109489795 A CN 109489795A CN 201811617706 A CN201811617706 A CN 201811617706A CN 109489795 A CN109489795 A CN 109489795A
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- microcontroller
- vibrating
- vibrating sensor
- vibration
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- 238000005086 pumping Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 230000008447 perception Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 4
- 238000013500 data storage Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/12—Measuring characteristics of vibrations in solids by using direct conduction to the detector of longitudinal or not specified vibrations
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention belongs to vibrating sensor technical fields, it is related to a kind of self-energizing vibrating sensor, including vibrating motor, vibrating sensor, microcontroller and wireless transport module, the vibrating motor and vibrating sensor are connected with microcontroller respectively, and microcontroller is connected with wireless transport module.When work, vibrating motor and vibrating sensor are pasted on testee, fitted closely with it.Vibrating motor is usually in a dormant state, start to vibrate after the acquisition of microcontroller log-on data, testee is applied and is motivated, the intrinsic vibration that measurand can be improved is horizontal, enable the sensor to the originally exceptionally weak vibration of perception, to quickly analyze the structural vibration feature of measurand, and identify its faulted condition.When the slight vibration to low quality object detects, the present invention can substitute high-precision vibrating sensor, and its cost is far below high-precision sensor, therefore can widely apply in engineering and industry.
Description
Technical field
The invention belongs to vibrating sensor technical fields, are related to a kind of self-energizing vibrating sensor.
Background technique
In field of engineering technology, the vibration of machinery, civil structure, means of transport etc. have its unique rumble spectrum and
Phase performance.Therefore, by the vibration of vibrating sensor monitoring object, and rumble spectrum is analyzed, is diagnostic machinery event
The common method of barrier, structural damage.
When measurand is in very quiet environment, vibrating sensor can not often identify that the vibration of structure is special
Reference breath.Especially inexpensive vibrating sensor, sensitivity is relatively low, and resolution ratio usually in mg, can not be applied and vibrated
Very slight occasion.And using more than the cost of high-precision vibrating sensor often tenfold increasing, it is difficult due to cost pressure
With large-scale application.
Summary of the invention
In order to reduce the cost of slight vibration detection, the present invention provides a kind of self-energizing vibrating sensor, supervises in vibration
During survey, vibrational excitation can be applied to measurand, improve its level of vibration, enable vibrating sensor more accurately
The vibration of perceptual structure, to carry out Analysis of Structural Damage and diagnosis.Present invention can apply to low-quality mechanical or metal structures
The structure damage monitoring of part.
The technical scheme is that a kind of self-energizing vibrating sensor, including it is vibrating motor, vibrating sensor, micro-
Controller and wireless transport module, the vibrating motor and vibrating sensor are connected with microcontroller respectively, the microcontroller
It is connected with wireless transport module.
Specifically, when the self-energizing vibrating sensor works, vibrating motor is pasted into vibrating sensor tested
On object, fitted closely with it.
The acquisition function of the microcontroller implementation vibration data, and data acquisition while control vibrating motor vibration
It is dynamic.
Usually in a dormant state, after the acquisition of microcontroller log-on data, vibrating motor starts to shake the vibrating motor
It is dynamic, testee is applied and is motivated.
Preferably, the vibrating sensor is MEMS vibrating sensor.
Preferably, vibration frequency or vibration width that the microcontroller passes through control voltage or current control vibrating motor
Degree.
The collected vibration signal of microcontroller is that the pumping signal that vibrating motor applies inherently is shaken with measurand
Dynamic superposition is sent to pc client by wireless transport module after the pretreatment of microcontroller.
Preferably, the microcontroller carries out digital filtering to acquisition signal, filters out the pumping signal of vibrating motor application.
Preferably, the wireless transport module is wirelessly transferred data by WIFI or 4G.
Preferably, the microcontroller has data storage function.
The beneficial effects of the present invention are: controlling vibrating motor by microcontroller, applied to the low quality object of slight vibration
Add excitation, the intrinsic vibration that measurand can be improved is horizontal, the originally exceptionally weak vibration of perception is enabled the sensor to, thus fastly
The structural vibration feature of speed analysis measurand, and identify its faulted condition.It is examined in the slight vibration to low quality object
When survey, the present invention can substitute high-precision vibrating sensor, and its cost is far below high-precision vibrating sensor, therefore can be
It is widely applied in engineering and industry.
Detailed description of the invention
Fig. 1 is the structure chart of the self-energizing vibrating sensor of the present invention.
Fig. 2 is the embodiment of the self-energizing vibrating sensor of the present invention.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be described in detail.
The self-energizing vibrating sensor of the present invention as shown in Figure 1, include vibrating motor, vibrating sensor, microcontroller and
Wireless transport module, the vibrating motor and vibrating sensor are connected with microcontroller respectively, the microcontroller and wireless biography
Defeated module is connected.
The embodiment of the self-energizing vibrating sensor of the present invention is as shown in Figure 2.
Specifically, when the self-energizing vibrating sensor works, vibrating motor is pasted into vibrating sensor tested
On object, fitted closely with it.
The acquisition function of the microcontroller implementation vibration data, and data acquisition while control vibrating motor vibration
It is dynamic.
Usually in a dormant state, after the acquisition of microcontroller log-on data, vibrating motor starts to shake the vibrating motor
It is dynamic, testee is applied and is motivated.
Preferably, the vibrating sensor is MEMS vibrating sensor.
Preferably, vibration frequency or vibration width that the microcontroller passes through control voltage or current control vibrating motor
Degree.
The collected vibration signal of microcontroller is that the pumping signal that vibrating motor applies inherently is shaken with measurand
Dynamic superposition is sent to pc client by wireless transport module after the pretreatment of microcontroller.Pc client includes data
Storage and data analysis module are capable of damage, loosening of deagnostic structure etc. and are asked by the time domain and spectrum analysis to vibration signal
Topic.
Preferably, the microcontroller carries out digital filtering to acquisition signal, filters out the pumping signal of vibrating motor application.
Preferably, the wireless transport module is wirelessly transferred data by WIFI or 4G.
Preferably, the microcontroller has data storage function.
The present invention is not limited to the above embodiments, made any to above embodiment aobvious of those skilled in the art and
The improvement or change being clear to, all protection scope without departing from design of the invention and appended claims.
Claims (7)
1. a kind of self-energizing vibrating sensor, which is characterized in that including vibrating motor, vibrating sensor, microcontroller and nothing
Line transmission module, the vibrating motor vibration and dynamic sensor are connected with microcontroller respectively, the microcontroller and wireless transmission
Module is connected；When the self-energizing vibrating sensor works, vibrating motor and vibrating sensor are pasted on testee,
It is fitted closely with it；The acquisition function of the microcontroller implementation vibration data, and control vibration horse while data acquisition
The vibration reached；Usually in a dormant state, after the acquisition of microcontroller log-on data, vibrating motor starts to shake the vibrating motor
It is dynamic, testee is applied and is motivated.
2. self-energizing vibrating sensor according to claim 1, which is characterized in that the vibrating sensor is MEMS vibration
Dynamic sensor.
3. self-energizing vibrating sensor according to claim 1, which is characterized in that the microcontroller passes through control electricity
The vibration frequency or Oscillation Amplitude of pressure or current control vibrating motor.
4. self-energizing vibrating sensor according to claim 1, which is characterized in that the collected vibration of microcontroller
Dynamic signal is the pumping signal of vibrating motor application and being superimposed for measurand intrinsic vibration, passes through the pretreatment of microcontroller
Afterwards, pc client is sent to by wireless transport module.
5. self-energizing vibrating sensor according to claim 4, which is characterized in that the microcontroller is to acquisition signal
Digital filtering is carried out, the pumping signal of vibrating motor application is filtered out.
6. self-energizing vibrating sensor according to claim 4, which is characterized in that the wireless transport module passes through
WIFI or 4G are wirelessly transferred data.
7. self-energizing vibrating sensor according to claim 1, which is characterized in that the microcontroller is deposited with data
Store up function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617706.7A CN109489795A (en) | 2018-12-28 | 2018-12-28 | A kind of self-energizing vibrating sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617706.7A CN109489795A (en) | 2018-12-28 | 2018-12-28 | A kind of self-energizing vibrating sensor |
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| Publication Number | Publication Date |
|---|---|
| CN109489795A true CN109489795A (en) | 2019-03-19 |
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| CN201811617706.7A Pending CN109489795A (en) | 2018-12-28 | 2018-12-28 | A kind of self-energizing vibrating sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044402A (en) * | 2019-04-01 | 2019-07-23 | 贵州大学 | A kind of Active spurring touch sensor and application method based on model analysis |
| CN110243400A (en) * | 2019-06-18 | 2019-09-17 | 贵州大学 | Tactile and slip sensor based on Active spurring signal acquisition resonance signal |
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| CN209310915U (en) * | 2018-12-28 | 2019-08-27 | 晋江万芯晨电子科技有限公司 | A kind of self-energizing vibrating sensor |
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- 2018-12-28 CN CN201811617706.7A patent/CN109489795A/en active Pending
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| JPH10332477A (en) * | 1997-05-31 | 1998-12-18 | Omron Corp | Vibration monitor |
| JP2004085412A (en) * | 2002-08-28 | 2004-03-18 | Koden Electronics Co Ltd | Apparatus for inspecting vibration inside solid |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044402A (en) * | 2019-04-01 | 2019-07-23 | 贵州大学 | A kind of Active spurring touch sensor and application method based on model analysis |
| CN110243400A (en) * | 2019-06-18 | 2019-09-17 | 贵州大学 | Tactile and slip sensor based on Active spurring signal acquisition resonance signal |
| CN110243400B (en) * | 2019-06-18 | 2021-12-07 | 贵州大学 | Touch-and-slip sensation sensor for acquiring resonance signal based on active excitation signal |
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