CN104483015A - Centrifuge vibration test circuit - Google Patents
Centrifuge vibration test circuit Download PDFInfo
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- CN104483015A CN104483015A CN201410603600.7A CN201410603600A CN104483015A CN 104483015 A CN104483015 A CN 104483015A CN 201410603600 A CN201410603600 A CN 201410603600A CN 104483015 A CN104483015 A CN 104483015A
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- resistance
- electric capacity
- amplifier
- output terminal
- vibration
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Abstract
The invention discloses a centrifuge vibration test circuit. The centrifuge vibration test circuit comprises an acceleration gauge, first to seventh amplifiers, first to eighteenth resistors, first to tenth capacitors and a potentiometer. Compared with the prior art, the centrifuge vibration test circuit can be used for detecting periodic vibration of the acceleration gauge in an input shaft direction, including the front and back direction, the left and right direction and the up and down direction, vibration in the three axial directions can be detected, and the centrifuge vibration test circuit further has advantages of relatively good work stability, relatively higher detection precision and relatively higher popularization values.
Description
Technical field
The present invention relates to a kind of vibration-testing circuit, particularly relate to a kind of vibration-testing circuit of hydro-extractor.
Background technology
The vibration of hydro-extractor is by electric motor drive system, mismachining tolerance, the uneven axle of assembling, forms the problem that gash fracture chamber water and the too high fault of temperature cause in vitro, when vibration frequency is in excess of the quota, whole hydro-extractor will be caused to resonate, cause serious consequence, the vibration-testing circuit working less stable of hydro-extractor now, accuracy of detection is lower, the larger reliability reducing hydro-extractor work system.
Summary of the invention
Object of the present invention is just the vibration-testing circuit providing a kind of hydro-extractor in order to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes accelerometer, first amplifier is to the 7th amplifier, first resistance is to the 18 resistance, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, 5th electric capacity, 6th electric capacity, 7th electric capacity, 8th electric capacity, 9th electric capacity, tenth electric capacity and potentiometer, 4th pin of described accelerometer connects-15V voltage, 6th pin of described accelerometer connects+15V voltage, 5th pin of described accelerometer connects 0V voltage, the tripod of described accelerometer, the first end of described second electric capacity, the first end of described 4th resistance, the first end of described 7th resistance, the first end of described 16 resistance, the first end of described 9th electric capacity, the first end of described 12 resistance, the first end of described 17 resistance and the equal ground connection of first end of described tenth electric capacity, the crus secunda of described accelerometer is connected with the first end of described first resistance, second end of described first resistance is connected with the first end of described first electric capacity and the first end of described second resistance simultaneously, second end of described first electric capacity simultaneously with the first end of described 3rd resistance, the output terminal of described first amplifier is connected with the first end of described potentiometer, second end of described second resistance is connected with the second end of described second electric capacity and the in-phase input end of described first amplifier simultaneously, the inverting input of described first amplifier is connected with the second end of described 3rd resistance, second end of described potentiometer is connected with the second end of described 4th resistance, the sliding end of described potentiometer is connected with the first end of described 3rd electric capacity, second end of described 3rd electric capacity is connected with the first end of described 5th resistance and the first end of described 4th electric capacity simultaneously, second end of described 4th electric capacity is connected with the second end of described 7th resistance and the in-phase input end of described second amplifier simultaneously, the inverting input of described second amplifier is connected with the first end of described 6th resistance, the output terminal of described second amplifier simultaneously with the first end of described 8th resistance, second end of described 6th resistance is connected with the second end of described 5th resistance and as the first signal output part of described vibration-testing circuit, second end of described 8th resistance simultaneously with the first end of described 9th resistance, the first end of described 5th electric capacity is connected with the inverting input of described 3rd amplifier, the in-phase input end of described 3rd amplifier is connected with the first end of described 6th electric capacity and the output terminal of described 4th amplifier simultaneously, the in-phase input end of described 4th amplifier is connected with the second end of described 9th electric capacity and the second end of described 16 resistance simultaneously, the inverting input of described 4th amplifier is connected with the second end of described 6th electric capacity and the first end of described tenth resistance simultaneously, second end of described tenth resistance simultaneously with the first end of described 18 resistance, the output terminal of described 3rd amplifier, second end of described 5th electric capacity, second end of described 9th resistance is connected with the first end of described 11 resistance, second end of described 11 resistance is connected with the first end of described 13 resistance and the inverting input of described 7th amplifier simultaneously, the in-phase input end of described 7th amplifier is connected with the second end of described 12 resistance, the output terminal of described 7th amplifier simultaneously with the second end of described 13 resistance, the first end of described 14 resistance, the first end of described 7th electric capacity, the output terminal of described 5th amplifier is connected with the first end of described 15 resistance, the output terminal of described 7th amplifier is as the secondary signal output terminal of described vibration-testing circuit, the output terminal of described 5th amplifier is as the 3rd signal output part of described vibration-testing circuit, second end of described 14 resistance simultaneously with the second end of described 7th electric capacity, second end of described 18 resistance is connected with the inverting input of described 5th amplifier, the in-phase input end of described 5th amplifier is connected with the first end of described 8th electric capacity and the output terminal of described 6th amplifier simultaneously, the inverting input of described 6th amplifier is connected with the second end of described 8th electric capacity and the second end of described 15 resistance simultaneously, the in-phase input end of described 6th amplifier is connected with the second end of described 17 resistance and the second end of described tenth electric capacity simultaneously.
Particularly, the model that described accelerometer is selected is TA-25.
Beneficial effect of the present invention is:
The vibration-testing circuit of a kind of hydro-extractor of the present invention, can be used for sense acceleration meter and inputs axial periodic vibration, if having all around and above-below direction 3 groups, then can detect 3 axial vibrations, better working stability, accuracy of detection is higher, has the value of higher penetration and promotion.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the vibration-testing circuit of a kind of hydro-extractor of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, the present invention includes accelerometer TA, first amplifier IC1 is to the 7th amplifier IC7, first resistance R1 is to the 18 resistance R18, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, 5th electric capacity C5, 6th electric capacity C6, 7th electric capacity C7, 8th electric capacity C8, 9th electric capacity C9, tenth electric capacity C10 and potentiometer W, 4th pin of accelerometer TA connects-15V voltage, 6th pin of accelerometer TA connects+15V voltage, 5th pin of accelerometer TA connects 0V voltage, the tripod of accelerometer TA, the first end of the second electric capacity C2, the first end of the 4th resistance R4, the first end of the 7th resistance R7, the first end of the 16 resistance R16, the first end of the 9th electric capacity C9, the first end of the 12 resistance R12, the first end of the 17 resistance R17 and the equal ground connection of first end of the tenth electric capacity C10, the crus secunda of accelerometer TA is connected with the first end of the first resistance R1, second end of the first resistance R1 is connected with the first end of the first electric capacity C1 and the first end of the second resistance R2 simultaneously, second end of the first electric capacity C1 simultaneously with the first end of the 3rd resistance R3, the output terminal of the first amplifier IC1 is connected with the first end of potentiometer W, second end of the second resistance R2 is connected with second end of the second electric capacity C2 and the in-phase input end of the first amplifier IC1 simultaneously, the inverting input of the first amplifier IC1 is connected with second end of the 3rd resistance R3, second end of potentiometer W is connected with second end of the 4th resistance R4, the sliding end of potentiometer W is connected with the first end of the 3rd electric capacity C3, second end of the 3rd electric capacity C3 is connected with the first end of the 5th resistance R5 and the first end of the 4th electric capacity C4 simultaneously, second end of the 4th electric capacity C4 is connected with second end of the 7th resistance R7 and the in-phase input end of the second amplifier IC2 simultaneously, the inverting input of the second amplifier IC2 is connected with the first end of the 6th resistance R6, the output terminal of the second amplifier IC2 simultaneously with the first end of the 8th resistance R8, second end of the 6th resistance R6 is connected with second end of the 5th resistance R5 and as the first signal output part VO1 of vibration-testing circuit, second end of the 8th resistance R8 simultaneously with the first end of the 9th resistance R9, the first end of the 5th electric capacity C5 is connected with the inverting input of the 3rd amplifier IC3, the in-phase input end of the 3rd amplifier IC3 is connected with the first end of the 6th electric capacity C6 and the output terminal of the 4th amplifier IC4 simultaneously, the in-phase input end of the 4th amplifier IC4 is connected with second end of the 9th electric capacity C9 and second end of the 16 resistance R16 simultaneously, the inverting input of the 4th amplifier IC4 is connected with second end of the 6th electric capacity C6 and the first end of the tenth resistance R10 simultaneously, second end of the tenth resistance R10 simultaneously with the first end of the 18 resistance R18, the output terminal of the 3rd amplifier IC3, second end of the 5th electric capacity C5, second end of the 9th resistance R9 is connected with the first end of the 11 resistance R11, second end of the 11 resistance R11 is connected with the first end of the 13 resistance R13 and the inverting input of the 7th amplifier IC7 simultaneously, the in-phase input end of the 7th amplifier IC7 is connected with second end of the 12 resistance R12, the output terminal of the 7th amplifier IC7 simultaneously with second end of the 13 resistance R13, the first end of the 14 resistance R14, the first end of the 7th electric capacity C7, the output terminal of the 5th amplifier IC5 is connected with the first end of the 15 resistance R15, the output terminal of the 7th amplifier IC7 is as the secondary signal output terminal VO2 of vibration-testing circuit, the output terminal of the 5th amplifier IC5 is as the 3rd signal output part VO3 of vibration-testing circuit, second end of the 14 resistance R14 simultaneously with second end of the 7th electric capacity C7, second end of the 18 resistance R18 is connected with the inverting input of the 5th amplifier IC5, the in-phase input end of the 5th amplifier IC5 is connected with the first end of the 8th electric capacity C8 and the output terminal of the 6th amplifier IC6 simultaneously, the inverting input of the 6th amplifier IC6 is connected with second end of the 8th electric capacity C8 and second end of the 15 resistance R15 simultaneously, the in-phase input end of the 6th amplifier IC6 is connected with second end of the 17 resistance R17 and second end of the tenth electric capacity C10 simultaneously.
The vibration-testing circuit of a kind of hydro-extractor of the present invention, wherein accelerometer TA model is TA-25, the signal exported by accelerometer TA is after the low pass of the first amplifier IC1 and the high-pass filtering of the second amplifier IC2, export with periodic accelerations, this output signal is through exchanging integrator (the 3rd amplifier IC3 and the 4th amplifier IC4) integration, 7th amplifier IC7 is transformed to rate signal after amplifying, displacement is obtained again after exchanging integrator (the 5th amplifier IC5 and the 6th amplifier IC6) integration, this circuit is used for sense acceleration meter TA and inputs axial periodic vibration, accuracy of detection is higher, if before and after having, left and right and above-below direction 3 groups, then can detect 3 axial vibrations, structure of the present invention is simple, cost of manufacture is lower, there is the value of higher penetration and promotion.
Claims (2)
1. the vibration-testing circuit of a hydro-extractor, it is characterized in that: comprise accelerometer, first amplifier is to the 7th amplifier, first resistance is to the 18 resistance, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, 5th electric capacity, 6th electric capacity, 7th electric capacity, 8th electric capacity, 9th electric capacity, tenth electric capacity and potentiometer, 4th pin of described accelerometer connects-15V voltage, 6th pin of described accelerometer connects+15V voltage, 5th pin of described accelerometer connects 0V voltage, the tripod of described accelerometer, the first end of described second electric capacity, the first end of described 4th resistance, the first end of described 7th resistance, the first end of described 16 resistance, the first end of described 9th electric capacity, the first end of described 12 resistance, the first end of described 17 resistance and the equal ground connection of first end of described tenth electric capacity, the crus secunda of described accelerometer is connected with the first end of described first resistance, second end of described first resistance is connected with the first end of described first electric capacity and the first end of described second resistance simultaneously, second end of described first electric capacity simultaneously with the first end of described 3rd resistance, the output terminal of described first amplifier is connected with the first end of described potentiometer, second end of described second resistance is connected with the second end of described second electric capacity and the in-phase input end of described first amplifier simultaneously, the inverting input of described first amplifier is connected with the second end of described 3rd resistance, second end of described potentiometer is connected with the second end of described 4th resistance, the sliding end of described potentiometer is connected with the first end of described 3rd electric capacity, second end of described 3rd electric capacity is connected with the first end of described 5th resistance and the first end of described 4th electric capacity simultaneously, second end of described 4th electric capacity is connected with the second end of described 7th resistance and the in-phase input end of described second amplifier simultaneously, the inverting input of described second amplifier is connected with the first end of described 6th resistance, the output terminal of described second amplifier simultaneously with the first end of described 8th resistance, second end of described 6th resistance is connected with the second end of described 5th resistance and as the first signal output part of described vibration-testing circuit, second end of described 8th resistance simultaneously with the first end of described 9th resistance, the first end of described 5th electric capacity is connected with the inverting input of described 3rd amplifier, the in-phase input end of described 3rd amplifier is connected with the first end of described 6th electric capacity and the output terminal of described 4th amplifier simultaneously, the in-phase input end of described 4th amplifier is connected with the second end of described 9th electric capacity and the second end of described 16 resistance simultaneously, the inverting input of described 4th amplifier is connected with the second end of described 6th electric capacity and the first end of described tenth resistance simultaneously, second end of described tenth resistance simultaneously with the first end of described 18 resistance, the output terminal of described 3rd amplifier, second end of described 5th electric capacity, second end of described 9th resistance is connected with the first end of described 11 resistance, second end of described 11 resistance is connected with the first end of described 13 resistance and the inverting input of described 7th amplifier simultaneously, the in-phase input end of described 7th amplifier is connected with the second end of described 12 resistance, the output terminal of described 7th amplifier simultaneously with the second end of described 13 resistance, the first end of described 14 resistance, the first end of described 7th electric capacity, the output terminal of described 5th amplifier is connected with the first end of described 15 resistance, the output terminal of described 7th amplifier is as the secondary signal output terminal of described vibration-testing circuit, the output terminal of described 5th amplifier is as the 3rd signal output part of described vibration-testing circuit, second end of described 14 resistance simultaneously with the second end of described 7th electric capacity, second end of described 18 resistance is connected with the inverting input of described 5th amplifier, the in-phase input end of described 5th amplifier is connected with the first end of described 8th electric capacity and the output terminal of described 6th amplifier simultaneously, the inverting input of described 6th amplifier is connected with the second end of described 8th electric capacity and the second end of described 15 resistance simultaneously, the in-phase input end of described 6th amplifier is connected with the second end of described 17 resistance and the second end of described tenth electric capacity simultaneously.
2. the vibration-testing circuit of a kind of hydro-extractor according to claim 1, is characterized in that: the model that described accelerometer is selected is TA-25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410603600.7A CN104483015A (en) | 2014-10-31 | 2014-10-31 | Centrifuge vibration test circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410603600.7A CN104483015A (en) | 2014-10-31 | 2014-10-31 | Centrifuge vibration test circuit |
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| CN104483015A true CN104483015A (en) | 2015-04-01 |
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| CN201410603600.7A Pending CN104483015A (en) | 2014-10-31 | 2014-10-31 | Centrifuge vibration test circuit |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61246632A (en) * | 1985-04-25 | 1986-11-01 | Nissan Motor Co Ltd | Detector of vibration of engine |
| CN101105202A (en) * | 2007-08-10 | 2008-01-16 | 重庆大学 | Intelligent bearing with compound sensor |
| CN101118428A (en) * | 2007-09-05 | 2008-02-06 | 重庆大学 | Intelligent sensor |
| CN101419243A (en) * | 2008-11-28 | 2009-04-29 | 中国地震局工程力学研究所 | Isotropy equilibrium acceleration sensor |
| CN201307123Y (en) * | 2008-12-05 | 2009-09-09 | 祁金玉 | Primary instrument with combination of vibration speed and temperature |
| CN102654754A (en) * | 2012-04-18 | 2012-09-05 | 中国工程物理研究院总体工程研究所 | Method for detecting vibration control dynamic range by using load simulator and load simulator |
| CN203177958U (en) * | 2013-04-08 | 2013-09-04 | 成都赛腾自动化工程有限公司 | Vibration signal pretreatment device for rotating machinery monitoring system |
| CN203490250U (en) * | 2013-10-22 | 2014-03-19 | 成都赛腾自动化工程有限公司 | Acceleration detector for large-scale rotation machinery |
| CN204177481U (en) * | 2014-10-31 | 2015-02-25 | 成都美益达医疗科技有限公司 | A kind of vibration-testing circuit of hydro-extractor |
-
2014
- 2014-10-31 CN CN201410603600.7A patent/CN104483015A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61246632A (en) * | 1985-04-25 | 1986-11-01 | Nissan Motor Co Ltd | Detector of vibration of engine |
| CN101105202A (en) * | 2007-08-10 | 2008-01-16 | 重庆大学 | Intelligent bearing with compound sensor |
| CN101118428A (en) * | 2007-09-05 | 2008-02-06 | 重庆大学 | Intelligent sensor |
| CN101419243A (en) * | 2008-11-28 | 2009-04-29 | 中国地震局工程力学研究所 | Isotropy equilibrium acceleration sensor |
| CN201307123Y (en) * | 2008-12-05 | 2009-09-09 | 祁金玉 | Primary instrument with combination of vibration speed and temperature |
| CN102654754A (en) * | 2012-04-18 | 2012-09-05 | 中国工程物理研究院总体工程研究所 | Method for detecting vibration control dynamic range by using load simulator and load simulator |
| CN203177958U (en) * | 2013-04-08 | 2013-09-04 | 成都赛腾自动化工程有限公司 | Vibration signal pretreatment device for rotating machinery monitoring system |
| CN203490250U (en) * | 2013-10-22 | 2014-03-19 | 成都赛腾自动化工程有限公司 | Acceleration detector for large-scale rotation machinery |
| CN204177481U (en) * | 2014-10-31 | 2015-02-25 | 成都美益达医疗科技有限公司 | A kind of vibration-testing circuit of hydro-extractor |
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