CN2062838U - Scaling device for vibration measurer of speed-type bearings - Google Patents
Scaling device for vibration measurer of speed-type bearings Download PDFInfo
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- CN2062838U CN2062838U CN 90200163 CN90200163U CN2062838U CN 2062838 U CN2062838 U CN 2062838U CN 90200163 CN90200163 CN 90200163 CN 90200163 U CN90200163 U CN 90200163U CN 2062838 U CN2062838 U CN 2062838U
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- amplifier
- power
- power amplifier
- measuring instrument
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model relates to a scaling device for a vibration measurer of speed-type bearings, which is composed of an electromagnetic shaker 1, an accelerometer 2, a power amplifier 7 which is connected with the electromagnetic shaker 1 and arranged in the accelerometer 2, a signal source 4, a charge amplifier 5 connected with the accelerometer 2, a display instrument 6 and a power potentiostatic electronic box 3. The scaling device has the advantages of small size, light weight, convenient operation and use, low price, easy popularization, etc.
Description
The utility model relates to the mechanical vibration measurement mechanism that a kind of velocity profile bearing vibration measuring instrument is demarcated.
The electrodynamic type sensor of velocity profile bearing vibration measuring instrument and the calibration of measuring amplifier combined system still do not have instrumentation at present with demarcating, but with one group of all purpose instrument: source, power amplifier, shaking table, accelerometer, charge amplifier, sinusoidal wave calibration system of real effective voltage table composition take place and realize above-mentioned calibration and demarcation in sinusoidal signal.Owing to adopt the supporting use of kit, the wiring operation bothers with demarcation in this calibration, and to operator's technical requirement height, the heavy volume of instrument is big, and carrying is inconvenient, and the price comparison costliness, is unfavorable for promoting the popularization use.
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of easy for operation, volume is little, the sensor of the low velocity profile bearing vibration measuring instrument of easily promoting of in light weight, price and instrumentation---the velocity profile bearing vibration measuring instrument caliberating device of measuring amplifier combined system calibration with demarcation.
The utility model is by the following technical solutions: by electromagnetic vibration generator system, accelerometer, and in power amplifier, the signal source that links to each other with electromagnetic vibration generator system is housed, the electronic box composition velocity profile bearing vibration measuring instrument caliberating device of the charge amplifier that links to each other with accelerometer, Displaying Meter and power regulator.
Description of drawings is as follows:
Fig. 1, velocity profile bearing vibration measuring instrument caliberating device structure principle chart.
Fig. 2, velocity profile bearing vibration measuring instrument caliberating device electronic box front plate synoptic diagram.
Fig. 3, velocity profile bearing vibration measuring instrument caliberating device electronic box backplate synoptic diagram.
Fig. 4, velocity profile bearing vibration measuring instrument caliberating device signal source circuit schematic diagram.
Fig. 5, velocity profile bearing vibration measuring instrument caliberating device power amplifier circuit schematic diagram.
Fig. 6, velocity profile bearing vibration measuring instrument caliberating device charge amplifier circuit schematic diagram.
Connection diagram when Fig. 7, velocity profile bearing vibration measuring instrument caliberating device demarcation vibration measuring set.
Below the utility model is further described:
Scaling device for vibration measurer of speed-type bearings by electromagnetic vibration generator system 1, accelerometer 2, and in power amplifier 7, the signal source 4 that links to each other with electromagnetic vibration generator system 1 is housed, electronic box 3 compositions of the charge amplifier 5 that links to each other with accelerometer 2, Displaying Meter 6 and power regulator. Its signal source 4 is the signal sources 4 that produce 122HZ, 735HZ, 4243HZ sine wave, has adopted the accurate function waveform generator 5G8038 of monolithic, input voltage stabilizing element UA7812; Its power amplifier 7 adopts integrated component and discrete component to form, and has used electric current, voltage negative feedback circuit, and negative-feedback circuit is by resistance R l, Rf and R21, variable resistor W22Form; Its charge amplifier 5 has adopted secondary high input impedance operational amplifier CA3140, the upper parallel resistance RF of feedback capacity CF, and the operational amplifier input shields with aluminum hull, and the two-wire shielding line is used in wiring entirely. The output voltage dial gauge that electric current dial gauge 10, the charge amplifier 5 of power amplifier 7 are housed on its electronic box 3 front plate be Displaying Meter 6, basic, normal, high three signal sources, 4 frequency keying switches 12, power amplifier 7 electric currents regulate knob 19, charge sensitivity pointer-type knob 13, charge amplifier 5 voltage multiplying power knobs 14, external signal source socket 17, with measurement socket 16, electric charge input interface 15 and power lamp 18 that charge amplifier 5 second level operational amplifiers link to each other, be equipped with on electronic box 3 backplates power switch 21, power amplifier 7 output switchs 20, Supply socket 22, power supply fusible link 23, power amplifier 7 fusible links 24, power amplifier 7 output cable sockets 25 and power amplifier 7 constant pressure and flow change-over switches 26.
Form the utility model exciting partly by signal source 4, power amplifier 7 and electromagnetic vibration generator system 1, accelerometer 2, charge amplifier 5 and Displaying Meter 6 are formed shaking table vibration value mantissa part.The basic, normal, high mid-band frequency 122HZ of measuring amplifier, 735HZ, the 4243HZ sinusoidal signal of velocity profile bearing vibration measuring instrument takes place in signal source 4, amplify rear drive electromagnetic vibration generator system 1 by power amplifier 7, the sinusoidal vibration that shaking table 1 is done with above-mentioned frequency, being installed in accelerometer 2 on the shaking table 1 picks up vibration signal and delivers to charge amplifier 5 signal is amplified, the output voltage of charge amplifier 5 is directly proportional with the electric charge that accelerometer 2 is sent, promptly be directly proportional, make the vibration velocity root-mean-square value by Displaying Meter 6 with shaking table 1 vibration velocity amplitude.
When the utility model is demarcated the velocity profile bearing vibration measuring instrument, connect with reference to Fig. 7.With the electrodynamic type sensor 8 of the contacted bearing vibration measuring instrument in accelerometer 2 shell upper surfaces the vibration signal of shaking table 1 is become voltage signal, pass through preposition amplification, bandpass filtering and bolt wave circuit to the gauge outfit indicating value by measuring amplifier 9, adjust the enlargement factor of the basic, normal, high frequency band of bandpass filter, make shaking table 1 vibration velocity of Displaying Meter 6 demonstrations on basic, normal, high frequency band gauge outfit indicating value and electronic box 3 front plate consistent.The sensor 8 of bearing vibration measuring instrument and the calibration and the demarcation of measuring amplifier 9 combined systems have so just been finished.
Embodiment:
Electromagnetic vibration generator system 1, accelerometer 2 all select for use 12 Su Ding to answer vibration instrumentation factory product, and model is respectively JZQ-1, JYD-2.The component parameter of signal source 4, power amplifier 7, charge amplifier 5 such as table 1,2,3.Debugging back this device signal source 4 voltages are 5V
RMS, power amplifier 7 voltages are 15V
RMSOn electronic box 3 front plate multiplying power knob 14 take advantage of 1 with take advantage of 0,1 two grade.
Advantage of the present utility model and effect:
1, the Velocity type bearing vibration measuring instrument special equipment is demarcated by this caliberating device system, can satisfy calibration and the required precision of demarcating. With the utility model measuring amplifier and the sensor combination system that the BVT-1 profile shaft holds vibration measuring set repeated to demarcate the maximum calibrated error of low frequency+1.7%, the maximum calibrated error-0.5% of intermediate frequency, the maximum calibrated error-0.7% of high frequency.
2, signal source 4, power amplifier 7, charge amplifier 5, Displaying Meter 6 are assembled in the electronic box, Highgrade integration, and volume is little, and is in light weight, reduced complicated wiring, and convenient operation uses.
3, this caliberating device adopts domestic element, and cost is low, and every cost is about 3000 yuan, is easy to commercialization, is convenient to promote the use of.
Claims (5)
1, a kind of velocity profile bearing vibration measuring instrument caliberating device, electromagnetic vibration generator system (1), accelerometer (2) are arranged, it is characterized in that the power amplifier (7) that links to each other with electromagnetic vibration generator system (1), signal source (4) and the charge amplifier (5) that links to each other with accelerometer (2), Displaying Meter (6) and power regulator are assembled in the electronic box (3).
2, according to the described velocity profile bearing vibration measuring instrument of claim caliberating device, it is characterized in that, signal source (4) is the signal source (4) that produces 122HZ, 735HZ, 4243HZ sine wave, has adopted the accurate function waveform generator 5G8038 of monolithic, input end voltage stabilizing element UA7812.
3, velocity profile bearing vibration measuring instrument caliberating device according to claim 1 is characterized in that, power amplifier (7) adopts integrated component and discrete component to form, and has used electric current, voltage negative feedback circuit, and negative-feedback circuit is by resistance R L, Rf and R
21, variable resistor W
2Form.
4, velocity profile bearing vibration measuring instrument caliberating device according to claim 1, it is characterized in that, charge amplifier (5) has adopted secondary high input impedance operational amplifier CA3140, feedback capacity CF parallel resistance RF, operational amplifier input end aluminum hull shielding line.
5, velocity profile bearing vibration measuring instrument caliberating device according to claim 1, it is characterized in that, the electric current indicating gauge (10) of power amplifier (7) is housed on electronic box (3) front plate, the output voltage indicating gauge of charge amplifier (5) is Displaying Meter (6), low, in, a Senior Three signal source (4) frequency keying switch (12), power amplifier (7) Current Regulation knob (19), charge sensitivity pointer-type knob (13), charge amplifier (5) voltage multiplying power knob (14), external signal source socket (17), the measurement socket (16) that links to each other with charge amplifier (5) second level operational amplifier, electric charge input interface (15) and power lamp (18) are equipped with power switch (21) on electronic box (3) backplate, power amplifier (7) output switch (20), supply socket (22), power supply fusible link (23), power amplifier (7) fusible link (24), power amplifier (7) output cable socket (25) and power amplifier (7) constant pressure and flow switch (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90200163 CN2062838U (en) | 1990-01-05 | 1990-01-05 | Scaling device for vibration measurer of speed-type bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90200163 CN2062838U (en) | 1990-01-05 | 1990-01-05 | Scaling device for vibration measurer of speed-type bearings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2062838U true CN2062838U (en) | 1990-09-26 |
Family
ID=4882018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90200163 Withdrawn CN2062838U (en) | 1990-01-05 | 1990-01-05 | Scaling device for vibration measurer of speed-type bearings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2062838U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222973A (en) * | 2015-10-27 | 2016-01-06 | 中国南方航空工业(集团)有限公司 | For the field calibration method of vibration signal order tracking technique |
| CN105793784A (en) * | 2013-10-01 | 2016-07-20 | 罗布照明有限公司 | Resonance movement dampening system for an automated luminaire |
| CN106568599A (en) * | 2016-11-05 | 2017-04-19 | 上海大学 | Tri-direction vibration measuring instrument and method of rolling bearing |
| US10161599B2 (en) | 2014-03-10 | 2018-12-25 | Robe Lighting S.R.O. | Resonance movement dampening system for an automated luminaire |
| US10330293B2 (en) | 2014-10-01 | 2019-06-25 | Robe Lighting S.R.O. | Collimation and homogenization system for an LED luminaire |
| CN110988401A (en) * | 2019-12-29 | 2020-04-10 | 蚌埠学院 | Photoelectric accelerometer calibration method and system |
| CN115808309A (en) * | 2023-02-09 | 2023-03-17 | 哈尔滨科锐同创机模制造有限公司 | Bearing monitoring method and system applied to bearing test |
-
1990
- 1990-01-05 CN CN 90200163 patent/CN2062838U/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105793784A (en) * | 2013-10-01 | 2016-07-20 | 罗布照明有限公司 | Resonance movement dampening system for an automated luminaire |
| US10161599B2 (en) | 2014-03-10 | 2018-12-25 | Robe Lighting S.R.O. | Resonance movement dampening system for an automated luminaire |
| US10330293B2 (en) | 2014-10-01 | 2019-06-25 | Robe Lighting S.R.O. | Collimation and homogenization system for an LED luminaire |
| US10520175B2 (en) | 2014-10-01 | 2019-12-31 | Robe Lighting S.R.O. | Collimation and homogenization system for an LED luminaire |
| CN105222973A (en) * | 2015-10-27 | 2016-01-06 | 中国南方航空工业(集团)有限公司 | For the field calibration method of vibration signal order tracking technique |
| CN105222973B (en) * | 2015-10-27 | 2017-11-03 | 中国南方航空工业(集团)有限公司 | Field calibration method for vibration signal order tracking technique |
| CN106568599A (en) * | 2016-11-05 | 2017-04-19 | 上海大学 | Tri-direction vibration measuring instrument and method of rolling bearing |
| CN110988401A (en) * | 2019-12-29 | 2020-04-10 | 蚌埠学院 | Photoelectric accelerometer calibration method and system |
| CN115808309A (en) * | 2023-02-09 | 2023-03-17 | 哈尔滨科锐同创机模制造有限公司 | Bearing monitoring method and system applied to bearing test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |