CN201955150U - Digital multifunctional vibration calibration system - Google Patents
Digital multifunctional vibration calibration system Download PDFInfo
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- CN201955150U CN201955150U CN201020676563XU CN201020676563U CN201955150U CN 201955150 U CN201955150 U CN 201955150U CN 201020676563X U CN201020676563X U CN 201020676563XU CN 201020676563 U CN201020676563 U CN 201020676563U CN 201955150 U CN201955150 U CN 201955150U
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Abstract
The utility model relates to a digital multifunctional vibration calibration system, comprising a calibration tester, a vibrating platform main body, a computer processor and a vibration testing platform, wherein the calibration tester comprises a fixed frequency exciting circuit and a signal receiving circuit which are respectively connected with a standard sensor and a tested sensor; the calibration tester is connected with the computer processor by an interface; the vibration testing platform is provided with a base and a bracket supporting column fixed on the base; and the vibrating platform main body is fixed on the bracket supporting column and is sequentially provided with a first sensor fixing bracket, a horizontal supporting arm and a second sensor fixing bracket upwards along the bracket supporting column from the vibrating platform main body. Compared with the prior art, the digital multifunctional vibration calibration system has the beneficial effects that the calibration and test of a plurality of sensors on one testing platform are achieved, the installation and the wire connection are simple, the labor intensity of operators is reduced, the adjustment and the calibration are convenient, and the accuracy of the calibration is improved.
Description
Technical field
The utility model relates to a kind of digital multifunctional vibration calibration system, and this system adopts vibration test table coupled computer calibration tester capable of being combined, has realized the test to multiple vibration transducer.
Background technology
The kind of sensor is varied, calibration to different sensors needs to prepare different testing apparatuss with test, in order to reduce the setup time of loaded down with trivial details testing apparatus, improve testing efficiency, wish to develop a kind of multi-function test stand, can in a device, finish of a sort multiple sensors Testing And Regulating.
Summary of the invention
The purpose of this utility model is to have proposed a kind of digital multifunctional vibration calibration system for addressing the above problem, and this system has adopted vibration test table coupled computer calibration tester capable of being combined, has realized the test to multiple vibration transducer.
To achieve these goals, the technical solution of the utility model is: a kind of digital multifunctional vibration calibration system, comprise calibration tester, shaking table main body and computer processor, described calibration tester includes fixed frequency energizing circuit, signal receiving circuit; Described shaking table main body comprises a shell and permanent magnetic steel body, the permanent magnetic steel body is bearing in the housing with flexure spring, the both sides port of permanent magnetic steel body is equipped with drive coil and speed coil respectively, two coils connect together with core bar, the core bar two ends are supported on the permanent magnetic steel body with shell fragment respectively, core bar axially can move back and forth along core bar in shell fragment, drive coil one side joint at core bar has standard transducer, speed coil one side joint at core bar has tested sensor, the fixed frequency energizing circuit connects drive coil, signal receiving circuit connects standard transducer respectively, the signal output of tested sensor and speed coil, described calibration tester is connected with computer processor by interface; Described system also has a vibration test table, described vibration test table involving vibrations platform base and the bracket leg dagger of on base, fixing, the bracket leg dagger is perpendicular to the shaking table baseplane, described shaking table main body is arranged on the below of bracket leg dagger, and upwards be disposed with the first sensor fixed support from the shaking table main body along the bracket leg dagger, horizontal support arms and the second sensor fixed support.
Be provided with first vertical adjustment knob between described first sensor fixed support and the horizontal support arms, be provided with second vertical adjustment knob between the described horizontal support arms and the second sensor fixed support.
The utility model is compared the beneficial effect that prior art produces: the utility model has realized that multiple sensors calibrates and test on a test board, the installation line is simple, lower operator's labour intensity, regulated and proofread and correct conveniently, improved the accuracy of calibration.
Below in conjunction with drawings and Examples the utility model being done one describes in detail.
Description of drawings
Fig. 1 is the utility model structured flowchart;
Fig. 2 is the utility model shaking table agent structure synoptic diagram;
Fig. 3 is the utility model vibration test table structural representation;
Fig. 4 is the utility model calibration tester logic diagram.
Embodiment
A kind of digital multifunctional vibration calibration system embodiment, described system comprises calibration tester 1 shaking table main body 2 and computer processor 3, described calibration tester comprises fixed frequency energizing circuit 1-1, signal receiving circuit 1-2; Described shaking table main body comprises a shell 2-1 and permanent magnetic steel body 2-2, the permanent magnetic steel body is bearing in the housing with flexure spring 2-3, the both sides port of permanent magnetic steel body is equipped with drive coil 2-4 and speed coil 2-5 respectively, two coils connect together with core bar 2-6, the core bar two ends are supported on the permanent magnetic steel body with shell fragment 2-7 respectively, core bar axially can move back and forth along core bar in shell fragment, drive coil one side joint at core bar has standard transducer 4, speed coil one side joint at core bar has tested sensor 5, the fixed frequency energizing circuit connects drive coil, signal receiving circuit connects standard transducer respectively, the signal output of tested sensor and speed coil, described calibration tester is connected with computer processor by interface; Described system also has a vibration test table 6, described vibration test table involving vibrations platform base 6-1 and the bracket leg dagger 6-2 that on base, fixes, the bracket leg dagger is perpendicular to the shaking table baseplane, described shaking table main body is arranged on the below of bracket leg dagger, in order to realize calibration and measurement, upwards be disposed with first sensor fixed support 6-3, horizontal support arms and the second sensor fixed support 6-4 from the shaking table main body along the bracket leg dagger to multiple sensors.
Because the permanent magnet system of shaking table main body is flexibly mounted,, thereby influence the electromotive force of speed coil generation and the reading value of output so when being varied in weight by the school accelerometer, the vibration of itself also can be different.The electric current of regulating drive coil is the output displacement amplitude of may command shaking table.We are installed in tested sensor one side of core pole, standard transducer is contained in the opposite side of core pole, tested sensor and standard transducer will become and be rigidly connected and move along same direction, measure their output separately by surveying instrument or special software, again through calculating sensitivity and other correlation parameter that can obtain tested sensor, the basic skills of Here it is comparison method calibration is referring to " GB/T 13823.1-1992 is school excitation comparison method calibration method just ".
The vibration standard sensor is installed in the bottom of shaking table main body, and used herein is acceleration transducer, and the output of this sensor will be as the standard of vibration detection during calibration.Its output is used with other tested sensor and is compared; For validity and the legitimacy that guarantees calibration operation, this standard transducer need regularly carry out transmission of quantity value to higher level's Measuring and testing mechanism, and be 1 year qualification cycle usually, to guarantee vibrating the traceability of transmission of quantity value with accurate.
The vibration standard sensor is normally used to be accelerometer.It is different to press acceleration transducer output, is divided into charge type and voltage-type; Charge sensor output is the quantity of electric charge, need it to be amplified normalizing through charge amplifier, charge amplifier can be suitable for various different charge sensitivity acceleration transducers, its output sensitivity is: XXXmV/m/s2 or XXXmV/ g, so it is that maximum standard transducers is used in the vibration calibration.Another kind of acceleration transducer is the direct voltage output type, is called as the ICP type, and such acceleration transducer inside is packaged with charge amplifying circuit, and therefore output can directly obtain voltage.ICP type voltage sensor is easy to use, simple to operate, and high cost performance is arranged, so it uses morely on engineering, also can be used for the transmission of vibration standard.The standard transducer that native system provides is ICP acceleration transducer: 100mV/g.The user can select with the standard transducer of the sort of acceleration transducer as system according to own different condition.
Calibration tester described in the embodiment is the VBR6100 prover, mix the computer processor that special software is housed, formed the vibration effect system of a stylobate in computer software, this system realizes Epro6000TSI is monitored the effect and the detection of fastener, vibration transducer and TSI framework instrument by the PCMCIAC card, this prover has comprised fixed frequency energizing circuit module and signal receiving circuit module, its structured flowchart as shown in Figure 4, this prover major function is as follows:
The Epro6000 fastener that can detect is:
6110 dual-axis vibration monitoring forms;
6120 duplex bearing vibration monitoring tables;
6220 twin shafts are to the displacement monitoring table;
6312 pairs of monitor speed tables;
6220 pairs of eccentric monitoring forms;
6140 absolute vibration monitoring form;
6410 pairs of LVDT displacement monitoring tables.
The BENTLI3300 that can detect is:
3,300,/16 15 dual-axis vibration monitoring forms;
3300/55 duplex bearing vibration monitoring table;
3300/45,46 twin shaft is to the displacement monitoring table;
3300/50,53 pair of monitor speed table;
3300/40 pair of eccentric monitoring form;
3300/65 absolute vibration monitoring form;
3300/48 housing expansion monitoring form.
The detection of 3500 fasteners:
The vibration of 3,500,/42 4 passages, the displacement monitoring table;
3,500,/45 4 passage displacement monitoring forms;
3,500,/50 4 passage monitor speed tables;
The VBR6100 prover has:
The output of binary channels simulating signal;
The detection of voltage, current signal;
The calibration shaking table swashs power control, output fixed frequency excitation signal;
Closed loop standard vibration signal measurement connects standard I PC acceleration transducer.
The model of PCMCIAC card is NIDAQCard-6062E, and 2 road DA analog output channels and software are realized simulation and the emulation to vibration signal in the utilization card; By 8 road difference analogues inputs AD passage vibration simulation signal is monitored, to the measurement of TSI fastener analog quantity output, simultaneously can be to the measurement of vibration transducer input signal, and realize comparison to vibration standard table and detected table.
Adjust in order to realize the installation of being convenient to different sensors, be provided with sensor between described shaking table main body and the first sensor fixed support sub-arm 6-5 is installed, be provided with the first vertical adjustment knob 6-6 between described first sensor fixed support and the horizontal support arms, be provided with the second vertical adjustment knob 6-7 between the described horizontal support arms and the second sensor fixed support.
The embodiment shaking table can not only carry out dynamic property to various types of vibration transducers and detect: detect as acceleration, speed, displacement Vibrating Sensor Calibration, can also carry out the static displacement Characteristics Detection to displacement transducers such as current vortex sensor, LVDT differential expansion; In addition; in conjunction with VBR6100 prover and sub computers processor; it can be to the vibration monitoring protection system carry out online, off-line calibration, detection; the excitation control system of shaking table realizes closed-loop control by computer control by PCMCIA; not only can accurately control the amplitude and the frequency of vibration and can also measure and show measurement data, vibrational waveform simultaneously; and note testing result simultaneously, print relevant detection report and chart.
The detectable sensor of shaking table comprises: piezoelectric acceleration sensor, IPC acceleration transducer, Bentley 9200 speed pickups, Epro9268 speed pickup, speed pickup, eddy current sensor.
Claims (2)
1. a digital multifunctional vibration calibration system comprises calibration tester, shaking table main body and computer processor, and described calibration tester includes fixed frequency energizing circuit, signal receiving circuit; Described shaking table main body comprises a shell and permanent magnetic steel body, the permanent magnetic steel body is bearing in the housing with flexure spring, the both sides port of permanent magnetic steel body is equipped with drive coil and speed coil respectively, two coils connect together with core bar, the core bar two ends are supported on the permanent magnetic steel body with shell fragment respectively, core bar axially can move back and forth along core bar in shell fragment, drive coil one side joint at core bar has standard transducer, speed coil one side joint at core bar has tested sensor, the fixed frequency energizing circuit connects drive coil, signal receiving circuit connects standard transducer respectively, the signal output of tested sensor and speed coil, described calibration tester is connected with computer processor by interface; It is characterized in that, described system also has a vibration test table, described vibration test table involving vibrations platform base and the bracket leg dagger of on base, fixing, the bracket leg dagger is perpendicular to the shaking table baseplane, described shaking table main body is arranged on the below of bracket leg dagger, and upwards be disposed with the first sensor fixed support from the shaking table main body along the bracket leg dagger, horizontal support arms and the second sensor fixed support.
2. a kind of digital multifunctional vibration calibration system according to claim 1, it is characterized in that, be provided with first vertical adjustment knob between described first sensor fixed support and the horizontal support arms, be provided with second vertical adjustment knob between the described horizontal support arms and the second sensor fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020676563XU CN201955150U (en) | 2010-12-23 | 2010-12-23 | Digital multifunctional vibration calibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020676563XU CN201955150U (en) | 2010-12-23 | 2010-12-23 | Digital multifunctional vibration calibration system |
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| CN201955150U true CN201955150U (en) | 2011-08-31 |
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| CN201020676563XU Expired - Fee Related CN201955150U (en) | 2010-12-23 | 2010-12-23 | Digital multifunctional vibration calibration system |
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| CN (1) | CN201955150U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076037A (en) * | 2013-01-09 | 2013-05-01 | 苏州世力源科技有限公司 | Method for calibrating sensor on line |
| CN103090901A (en) * | 2012-12-31 | 2013-05-08 | 苏州东菱振动试验仪器有限公司 | On-line calibration method for sensor |
| CN104597288A (en) * | 2013-10-30 | 2015-05-06 | 北京强度环境研究所 | Calibration device for high-temperature acceleration senor |
| CN105606207A (en) * | 2016-01-29 | 2016-05-25 | 湖南省计量检测研究院 | Calibration apparatus and calibration method applied to vibration sensor |
| CN103575933B (en) * | 2013-11-19 | 2016-08-17 | 浙江省计量科学研究院 | Vibration type engine speed measuring instrument calibrating installation and method |
| CN106352973A (en) * | 2016-08-26 | 2017-01-25 | 苏州东菱振动试验仪器有限公司 | On-station calibration method of sensor |
| TWI579537B (en) * | 2015-12-09 | 2017-04-21 | 財團法人金屬工業研究發展中心 | Method of extracting dynamic vibration frequency |
| CN106802182A (en) * | 2015-11-26 | 2017-06-06 | 中国电力科学研究院 | A kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device |
| CN109596299A (en) * | 2018-12-28 | 2019-04-09 | 中国地震局工程力学研究所 | The dual-purpose shake table of vertical-horizontal |
-
2010
- 2010-12-23 CN CN201020676563XU patent/CN201955150U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090901A (en) * | 2012-12-31 | 2013-05-08 | 苏州东菱振动试验仪器有限公司 | On-line calibration method for sensor |
| CN103090901B (en) * | 2012-12-31 | 2015-09-23 | 苏州东菱振动试验仪器有限公司 | Sensor on-line calibration method |
| CN103076037A (en) * | 2013-01-09 | 2013-05-01 | 苏州世力源科技有限公司 | Method for calibrating sensor on line |
| CN103076037B (en) * | 2013-01-09 | 2016-02-10 | 苏州世力源科技有限公司 | Can the method for on-line calibration sensor |
| CN104597288A (en) * | 2013-10-30 | 2015-05-06 | 北京强度环境研究所 | Calibration device for high-temperature acceleration senor |
| CN103575933B (en) * | 2013-11-19 | 2016-08-17 | 浙江省计量科学研究院 | Vibration type engine speed measuring instrument calibrating installation and method |
| CN106802182A (en) * | 2015-11-26 | 2017-06-06 | 中国电力科学研究院 | A kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device |
| CN106802182B (en) * | 2015-11-26 | 2020-02-18 | 中国电力科学研究院 | Calibration method of power transmission line breeze vibration online monitoring device |
| TWI579537B (en) * | 2015-12-09 | 2017-04-21 | 財團法人金屬工業研究發展中心 | Method of extracting dynamic vibration frequency |
| CN105606207A (en) * | 2016-01-29 | 2016-05-25 | 湖南省计量检测研究院 | Calibration apparatus and calibration method applied to vibration sensor |
| CN106352973A (en) * | 2016-08-26 | 2017-01-25 | 苏州东菱振动试验仪器有限公司 | On-station calibration method of sensor |
| CN109596299A (en) * | 2018-12-28 | 2019-04-09 | 中国地震局工程力学研究所 | The dual-purpose shake table of vertical-horizontal |
| CN109596299B (en) * | 2018-12-28 | 2024-03-29 | 中国地震局工程力学研究所 | Vertical and horizontal dual-purpose vibrating table |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20181223 |