CN105606207A - Calibration apparatus and calibration method applied to vibration sensor - Google Patents
Calibration apparatus and calibration method applied to vibration sensor Download PDFInfo
- Publication number
- CN105606207A CN105606207A CN201610063518.9A CN201610063518A CN105606207A CN 105606207 A CN105606207 A CN 105606207A CN 201610063518 A CN201610063518 A CN 201610063518A CN 105606207 A CN105606207 A CN 105606207A
- Authority
- CN
- China
- Prior art keywords
- vibration
- frequency
- standard
- low
- vibrating sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a calibration apparatus applied to a vibration sensor. The calibration apparatus comprises a control acquisition instrument and a vibration standard device in signal connection with the control acquisition instrument. The control acquisition instrument comprises a control module and an acquisition module; a network terminal transmits signals to the vibration standard device through the control module to enable the vibration standard device to generate corresponding vibration; the vibration standard device outputs standard vibration signals and transmits the standard vibration signals to the network terminal through the acquisition module; and at the same time, a vibration sensor to be detected senses the vibration signals generated by the vibration standard device and transmits the vibration signals to the network terminal through the acquisition module. According to the invention, work of the vibration standard device is controlled remotely through the network terminal, comparison processing is performed on the standard vibration signals and the vibration signals transmitted by the vibration sensor to be detected in the network terminal, handover of the vibration senor to be detected to a metering calibration mechanism is unnecessary, calibration can be realized in a work field, the structure is simple, and the portability is high. The invention also simultaneously provides a calibration method applied to a vibration sensor.
Description
Technical field
The present invention relates to vibration measurement calibration field, relate in particular to a kind of calibrating installation and calibration method that is applied to vibrating sensor.
Background technology
Vibrating sensor is as the pith in measuring technology, and the vibration signal that it can Real-time Collection measured body, therefore by extensivelyBe applied to every field. In the vibration signal that vibrating sensor detects, containing plant equipment, building structure, oil pipeline, heightThe state variation of monitored area and the abundant informations of fault signature such as speed train, and the analysis of vibration signal is to extract fault signature letterThe Main Means of breath is also further tracing trouble reason and take Preventing Countermeasures, realize the important evidence of safe early warning. It is visible,The monitoring of vibration signal is had to very important effect, and it is directly connected to the accuracy of diagnostic result. The amount of vibrating sensorIt is exactly reliable, the value important channel accurately that ensures vibration signal that value is traced to the source, and is also production, the life that effectively ensures every profession and tradeThe prerequisite of safety.
At present, when vibrating sensor is carried out to magnitude tracing, must first be dismantled and be delivered to again metering validation activity, could be to itEffectively examine and determine, this just brings inconvenience for many departments, for example: for power industry department generator set vibrationMonitoring, for the city seismic prospecting of oil exploration neck, for traffic and transportation sector railway and bridge vibration analysis, for building rowIn industry, measure the vibrating sensor that top of high-rise buildings is rocked, measured body vibrations parameter for high ferro, owing to being limited by sceneTest condition, test environment and method of testing, cannot realize dismounting censorship, thereby affect its magnitude tracing demand, also just cannotEnsure the accuracy of monitoring vibration parameter value, will bring great hidden danger to daily production, living safety monitoring like this.
Even if some vibrating sensor is convenient to dismounting, but a large amount of image data lines or heavy back-end data acquisition processing systemAlso can make magnitude tracing work become once per year worried thing, transport is moved and in process, is very easily caused equipment still moreDamage, can bring great economic loss to enterprise, according to incompletely statistics, the annual sensor because causing in censorship transportationDamage accident reaches 30%, and this just makes a lot of enterprises initiatively abandon the annual plan of tracing to the source.
Summary of the invention
The invention reside in the shortcoming that overcomes prior art with not enough, provide a kind of simple in structure, be easy to carry, examine and determine the degree of accuracy high,Be applied to the calibrating installation of vibrating sensor.
The present invention is achieved by the following technical solutions: a kind of calibrating installation that is applied to vibrating sensor, comprises controlling gatheringInstrument and the vibration standard device being connected with this control Acquisition Instrument signal; Described control Acquisition Instrument comprises control module and acquisition module;The network terminal transmits signal by described control module makes it produce corresponding vibration to described vibration standard device; Described vibration standardDevice outputting standard vibration signal, and send back the network terminal by described acquisition module; Vibrating sensor induction simultaneously to be measured is shakenThe vibration signal that moving standard set-up produces, and be sent to the network terminal by described acquisition module.
Further, described vibration standard device comprises low-frequency vibration standard set-up; Described low-frequency vibration standard set-up comprises powerAmplifier, low frequency driving device, low-frequency vibration table and be arranged on the low frequency standard transducer on this low-frequency vibration table table top; Described controlThe signal of molding block movement, after described power amplifier amplifies, drives described low-frequency vibration table to produce by low frequency driving device correspondingVibration; Described low frequency standard transducer is responded to the vibration of described low-frequency vibration table, and outputting standard vibration signal is to described collection mouldPiece.
Further, described vibration standard device also comprises intermediate frequency vibration standard device; Described intermediate frequency vibrating device comprises that intermediate frequency drivesMove device, linear electric motors, intermediate frequency shake table and be arranged on the intermediate frequency standard transducer on this intermediate frequency vibration table surface; Described control mouldThe signal that piece sends is by linear electric motors motion described in this intermediate frequency driver drives, and described linear electric motors drive described intermediate frequency shake tableProduce corresponding vibration; Described intermediate frequency standard transducer is responded to the vibration of this intermediate frequency shake table, and described in outputting standard vibration signal arrivesAcquisition module.
Further, described grating scale detects the vibration signal of described intermediate frequency shake table and feeds back to described control module.
The present invention also provides a kind of calibration method that is applied to vibrating sensor simultaneously, and the network terminal transmits a signal to control module,Vibrated by control module transmitted signal control vibration standard device; Vibration standard device outputting standard vibration signal is also adopted by describedCollection module sends back the network terminal; The vibration signal that vibrating sensor induction vibration standard set-up simultaneously to be measured produces, by describedAcquisition module is sent to the network terminal, by the network terminal, signal is processed.
Than prior art, the present invention works by network terminal Long-distance Control vibration standard device, and right in the network terminalThe vibration signal that the standard vibration signal of vibration standard device output and vibrating sensor to be measured transmit compares processing, thereby rightVibrating sensor to be measured carries out qualification determination, without vibrating sensor to be measured is transferred to metering validation activity, in working site isCan realize calibrating, simple in structure, be easy to carry and to examine and determine the degree of accuracy high. Further, integrated low-frequency vibration standard set-up and inFrequency vibration standard set-up, realizes the calibrating of the vibrating sensor to different frequency range, more realistic, convenient.
In order to understand better and to implement, describe the present invention in detail below in conjunction with accompanying drawing.
Brief description of the drawings
Fig. 1 is the theory diagram that the present invention is applied to the calibrating installation embodiment of vibrating sensor.
Detailed description of the invention
Refer to Fig. 1, it is the theory diagram that the present invention is applied to the calibrating installation embodiment of vibrating sensor. This is applied to and shakesThe calibrating installation of dynamic sensor comprises controls Acquisition Instrument and the vibration standard device being connected with this control Acquisition Instrument signal. Described controlAcquisition Instrument comprises control module and acquisition module; The network terminal transmits signal to described vibration standard device by described control moduleMake it produce corresponding vibration; Described vibration standard device outputting standard vibration signal, and send back network by described acquisition moduleTerminal; The vibration signal that vibrating sensor induction vibration standard set-up simultaneously to be measured produces, and be sent to by described acquisition moduleThe network terminal.
In the present embodiment, the network terminal and described control module and acquisition module carry out signal by cable network or wireless network and lead toLetter.
The working frequency range of vibrating sensor is mainly within the scope of (0.1-3000) Hz, and wherein (0.1-20) Hz is low frequency frequency range,(20-3000) Hz is intermediate-frequency band, and the different operating frequency range that the present invention is based on vibrating sensor has adopted respectively different vibrationsStandard set-up is examined and determine.
Concrete, described vibration standard device comprises the low-frequency vibration standard set-up and the intermediate frequency that are connected with described control Acquisition Instrument signalVibration standard device.
Described low-frequency vibration standard set-up comprises power amplifier, low frequency driving device, low-frequency vibration table and low frequency standard transducer.Described low-frequency vibration standard and vibrating sensor to be measured are arranged on the table top center of low-frequency vibration table. Described control module transmitsSignal, after described power amplifier amplifies, drives described low-frequency vibration table to produce corresponding vibration by low frequency driving device; Described lowThe vibration of low-frequency vibration table described in the accurate sensor sensing of frequency marking, and outputting standard vibration signal is to described acquisition module.
Described intermediate frequency vibration standard device comprises that intermediate frequency driver, linear electric motors, intermediate frequency shake table, grating scale and intermediate frequency standard passSensor. Described intermediate frequency vibration standard sensor and vibrating sensor to be measured are arranged on the table top center of intermediate frequency shake table back-to-back. InstituteState the signal of control module transmission by linear electric motors motion described in this intermediate frequency driver drives, during described linear electric motors driving is describedFrequency vibration platform produces corresponding vibration. Described grating scale detects the vibration signal of described intermediate frequency shake table and feeds back to described control module,To regulate the vibrational waveform of described intermediate frequency shake table. Described intermediate frequency standard transducer is responded to the vibration of this intermediate frequency shake table, and outputStandard vibration signal is to described acquisition module.
When use, calibrating installation provided by the invention is carried to scene, judges the working frequency range of vibrating sensor to be measured, if treatVibration measuring dynamic sensor is low-frequency shock transducer, if its low frequency frequency range in (0.1-20) Hz, by vibrating sensor to be measuredBe arranged on low-frequency vibration standard set-up, the network terminal transmits a signal to described control module by wireless or wired mode, by controllingModule controls low-frequency vibration standard set-up processed produces corresponding vibration, and by the standard vibration signal of low-frequency vibration standard transducer outputBe sent to the network terminal with the vibration signal of vibrating sensor induction to be measured by described acquisition module, by the network terminal, signal enteredRow is processed.
If in the intermediate-frequency band of (20-3000) Hz, vibrating sensor to be measured is arranged on intermediate frequency vibration standard device,The network terminal transmits a signal to described control module by wireless or wired mode, by control module control intermediate frequency vibration standard deviceProduce corresponding vibration, and by the vibration of the standard vibration signal of intermediate frequency vibration standard sensor output and vibrating sensor to be measured inductionSignal is sent to the network terminal by described acquisition module, by the network terminal, signal is processed.
If in (0.1-3000) Hz frequency range, be divided into low frequency frequency range and intermediate-frequency band, according to above-mentioned low frequency frequency range and intermediate frequencyThe cautious mode of frequency range is treated each frequency range of vibration measuring dynamic sensor and is examined and determine.
Than prior art, the present invention works by network terminal Long-distance Control vibration standard device, and right in the network terminalThe vibration signal that the standard vibration signal of vibration standard device output and vibrating sensor to be measured transmit compares processing, thereby rightVibrating sensor to be measured carries out qualification determination, without vibrating sensor to be measured is transferred to metering validation activity, in working site isCan realize calibrating, simple in structure, be easy to carry and to examine and determine the degree of accuracy high. Further, integrated low-frequency vibration standard set-up and inFrequency vibration standard set-up, realizes the calibrating of the vibrating sensor to different frequency range, more realistic, convenient.
The present invention also provides a kind of calibration method that is applied to vibrating sensor simultaneously: the network terminal transmits a signal to control module,Vibrated by control module transmitted signal control vibration standard device; Vibration standard device outputting standard vibration signal is also adopted by describedCollection module sends back the network terminal; The vibration signal that vibrating sensor induction vibration standard set-up simultaneously to be measured produces, by describedAcquisition module is sent to the network terminal, by the network terminal, signal is processed.
Further, before the network terminal transmits a signal to control module, judge the working frequency range of vibrating sensor to be measured, ifIts low frequency frequency range in (0.1-20) Hz, is arranged on vibrating sensor to be measured on low-frequency vibration standard set-up, and network eventuallyEnd produces corresponding vibration by control module control low-frequency vibration standard set-up; If in the intermediate-frequency band of (20-3000) Hz,Vibrating sensor to be measured is arranged on intermediate frequency vibration standard device, the network terminal is by control module control intermediate frequency vibration standardDevice produces corresponding vibration; If in (0.1-3000) Hz frequency range, control module control successively low-frequency vibration standard set-up andIntermediate frequency vibration standard device produces corresponding vibration, treats vibration measuring dynamic sensor frequency-division section and examines and determine.
A kind of calibration method that is applied to vibrating sensor provided by the invention is realized by the calibrating installation that is applied to vibrating sensor.This calibrating installation that is applied to vibrating sensor comprises controls Acquisition Instrument and the vibration standard dress being connected with this control Acquisition Instrument signalPut. Described control Acquisition Instrument comprises control module and acquisition module; Described in the network terminal arrives by described control module transmission signalVibration standard device makes it produce corresponding vibration; Described vibration standard device outputting standard vibration signal, and by described collection mouldThe network terminal is returned in block movement; The vibration signal that vibrating sensor induction vibration standard set-up simultaneously to be measured produces, and adopt by describedCollection module is sent to the network terminal.
Described low-frequency vibration standard set-up comprises power amplifier, low frequency driving device, low-frequency vibration table and low frequency standard transducer.Described low-frequency vibration standard and vibrating sensor to be measured are arranged on the table top center of low-frequency vibration table. Described control module transmitsSignal, after described power amplifier amplifies, drives described low-frequency vibration table to produce corresponding vibration by low frequency driving device; Described lowThe vibration of low-frequency vibration table described in the accurate sensor sensing of frequency marking, and outputting standard vibration signal is to described acquisition module.
Described intermediate frequency vibration standard device comprises that intermediate frequency driver, linear electric motors, intermediate frequency shake table, grating scale and intermediate frequency standard passSensor. Described intermediate frequency vibration standard sensor and vibrating sensor to be measured are arranged on the table top center of intermediate frequency shake table back-to-back. InstituteState the signal of control module transmission by linear electric motors motion described in this intermediate frequency driver drives, during described linear electric motors driving is describedFrequency vibration platform produces corresponding vibration; Described intermediate frequency standard transducer is responded to the vibration of this intermediate frequency shake table, and outputting standard vibration letterNumber to described acquisition module.
Than prior art, the present invention works by network terminal Long-distance Control vibration standard device, and right in the network terminalThe vibration signal that the standard vibration signal of vibration standard device output and vibrating sensor to be measured transmit compares processing, thereby rightVibrating sensor to be measured carries out qualification determination, without vibrating sensor to be measured is transferred to metering validation activity, in working site isCan realize the calibrating to it, simple in structure, be easy to carry and to examine and determine the degree of accuracy high. Vibrating sensor to different frequency range is taked notSame apparatus and method are examined and determine, and calibrating mode is more realistic, more accurate.
The present invention is not limited to above-mentioned embodiment, if various changes of the present invention or distortion are not departed to spirit of the present inventionAnd scope, if within these changes and distortion belong to claim of the present invention and equivalent technologies scope, the present invention is also intended toComprise these changes and distortion.
Claims (8)
1. a calibrating installation that is applied to vibrating sensor, is characterized in that: comprise and control Acquisition Instrument and believe with this control Acquisition InstrumentNumber connect vibration standard device; Described control Acquisition Instrument comprises control module and acquisition module; Described in the network terminal passes throughControl module transmits signal makes it produce corresponding vibration to described vibration standard device; Described vibration standard device outputting standardVibration signal, and send back the network terminal by described acquisition module; Vibrating sensor induction vibration standard dress simultaneously to be measuredThe raw vibration signal of buying property, and be sent to the network terminal by described acquisition module.
2. the calibrating installation that is applied to vibrating sensor according to claim 1, is characterized in that: described vibration standard deviceComprise low-frequency vibration standard set-up; Described low-frequency vibration standard set-up comprises power amplifier, low frequency driving device, low frequency vibrationMove platform and be arranged on the low frequency standard transducer on this low-frequency vibration table table top; Described in the signal warp that described control module transmitsAfter power amplifier amplifies, drive described low-frequency vibration table to produce corresponding vibration by low frequency driving device; Described low frequency standardThe vibration of low-frequency vibration table described in sensor sensing, and outputting standard vibration signal is to described acquisition module.
3. the calibrating installation that is applied to vibrating sensor according to claim 1 and 2, is characterized in that: described vibration standardDevice also comprises intermediate frequency vibration standard device; Described intermediate frequency vibrating device comprises intermediate frequency driver, linear electric motors, middle frequency vibrationMove platform and be arranged on the intermediate frequency standard transducer on this intermediate frequency vibration table surface; The signal that described control module sends is by being somebody's turn to doLinear electric motors motion described in intermediate frequency driver drives, described linear electric motors drive described intermediate frequency shake table to produce corresponding vibration;Described intermediate frequency standard transducer is responded to the vibration of this intermediate frequency shake table, and outputting standard vibration signal is to described acquisition module.
4. the calibrating installation that is applied to vibrating sensor according to claim 3, is characterized in that: described grating scale detects instituteState the vibration signal of intermediate frequency shake table and feed back to described control module.
5. the calibrating installation that is applied to vibrating sensor according to claim 2, is characterized in that: described low-frequency vibration standardDevice and vibrating sensor to be measured are arranged on the table top center of low-frequency vibration table.
6. the calibrating installation that is applied to vibrating sensor according to claim 3, is characterized in that: described intermediate frequency vibration standardSensor and vibrating sensor to be measured are arranged on the table top center of intermediate frequency shake table back-to-back.
7. a calibration method that is applied to vibrating sensor, is characterized in that: the network terminal transmits a signal to control module, by controllingThe vibration of molding piece transmitted signal control vibration standard device; Vibration standard device outputting standard vibration signal is also adopted by describedCollection module sends back the network terminal; The vibration signal that vibrating sensor induction vibration standard set-up simultaneously to be measured produces, passes throughDescribed acquisition module is sent to the network terminal, by the network terminal, signal is processed.
8. the calibration method that is applied to vibrating sensor according to claim 7, is characterized in that: send letter at the network terminalNumber give before control module, judge the working frequency range of vibrating sensor to be measured, if its low again and again in (0.1-20) HzSection, is arranged on vibrating sensor to be measured on low-frequency vibration standard set-up, and the network terminal is by control module control low frequencyVibration standard device produces corresponding vibration; If in the intermediate-frequency band of (20-3000) Hz, vibrating sensor to be measured is establishedPut on intermediate frequency vibration standard device, the network terminal produces corresponding vibration by control module control intermediate frequency vibration standard device;If in (0.1-3000) Hz frequency range, the network terminal by control module control successively low-frequency vibration standard set-up and inFrequency vibration standard set-up produces corresponding vibration, treats vibration measuring dynamic sensor frequency-division section and examines and determine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063518.9A CN105606207A (en) | 2016-01-29 | 2016-01-29 | Calibration apparatus and calibration method applied to vibration sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063518.9A CN105606207A (en) | 2016-01-29 | 2016-01-29 | Calibration apparatus and calibration method applied to vibration sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105606207A true CN105606207A (en) | 2016-05-25 |
Family
ID=55986328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610063518.9A Pending CN105606207A (en) | 2016-01-29 | 2016-01-29 | Calibration apparatus and calibration method applied to vibration sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105606207A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643897A (en) * | 2016-12-19 | 2017-05-10 | 中科天工（武汉）产业投资管理有限公司 | Remote metering quality inspection system and remote metering quality inspection method |
| CN106969826A (en) * | 2017-04-10 | 2017-07-21 | 西安航天动力试验技术研究所 | The calibrating installation and calibration method of a kind of vibrating sensor |
| CN107664566A (en) * | 2017-09-21 | 2018-02-06 | 湖北省地震局 | Portable vibration platform calibrating installation |
| CN108180987A (en) * | 2018-02-05 | 2018-06-19 | 浙江大学 | The calibrating installation of vibrating sensor |
| CN108180988A (en) * | 2018-02-05 | 2018-06-19 | 浙江大学 | Positive step acceleration exciting bank |
| CN108195462A (en) * | 2018-02-05 | 2018-06-22 | 浙江大学 | A kind of calibrating installation of vibrating sensor |
| CN108344883A (en) * | 2018-02-05 | 2018-07-31 | 浙江大学 | A kind of positive step acceleration exciting bank |
| CN109870231A (en) * | 2019-03-15 | 2019-06-11 | 浙江大学城市学院 | Vibration measuring instrument automatic gauge verification system and recognizer |
| CN110555350A (en) * | 2018-06-04 | 2019-12-10 | 北京钛方科技有限责任公司 | Elastic wave signal calibration device and method |
| CN111208318A (en) * | 2020-01-14 | 2020-05-29 | 西人马（厦门）科技有限公司 | Acceleration sensor verification system and method |
| CN111432324A (en) * | 2020-05-26 | 2020-07-17 | 北京瑞森新谱科技股份有限公司 | Testing method and testing system for bone voiceprint earphone |
| CN114623923A (en) * | 2021-12-21 | 2022-06-14 | 浙江运达风电股份有限公司 | Verification test system and method for tower top low-frequency vibration sensor of wind turbine generator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009005504A (en) * | 2007-06-21 | 2009-01-08 | Nissan Motor Co Ltd | Acceleration detecting device for electric vehicle |
| CN101840008A (en) * | 2009-03-18 | 2010-09-22 | 中国石油天然气集团公司 | Multifunctional seismic hydrophone tester |
| CN201955150U (en) * | 2010-12-23 | 2011-08-31 | 安徽省电力科学研究院 | Digital multifunctional vibration calibration system |
| CN102221401A (en) * | 2011-04-15 | 2011-10-19 | 易孟良 | Vibration test stand and testing method for vibration sensor |
| EP2523005A1 (en) * | 2011-05-10 | 2012-11-14 | BAE Systems Plc | Calibrating rotational accelerometers |
| CN203688580U (en) * | 2013-12-27 | 2014-07-02 | 天津航天瑞莱科技有限公司苏州分公司 | Portable sensor calibration device |
| CN104316728A (en) * | 2014-11-05 | 2015-01-28 | 苏州东菱振动试验仪器有限公司 | Method for calibrating sensitivity of multiple sensors |
| CN104459825A (en) * | 2013-09-22 | 2015-03-25 | 中国石油化工股份有限公司 | Test system for down hole detector sensor |
| CN205607522U (en) * | 2016-01-29 | 2016-09-28 | 湖南省计量检测研究院 | Be applied to vibration sensor's calibrating installation |
-
2016
- 2016-01-29 CN CN201610063518.9A patent/CN105606207A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009005504A (en) * | 2007-06-21 | 2009-01-08 | Nissan Motor Co Ltd | Acceleration detecting device for electric vehicle |
| CN101840008A (en) * | 2009-03-18 | 2010-09-22 | 中国石油天然气集团公司 | Multifunctional seismic hydrophone tester |
| CN201955150U (en) * | 2010-12-23 | 2011-08-31 | 安徽省电力科学研究院 | Digital multifunctional vibration calibration system |
| CN102221401A (en) * | 2011-04-15 | 2011-10-19 | 易孟良 | Vibration test stand and testing method for vibration sensor |
| EP2523005A1 (en) * | 2011-05-10 | 2012-11-14 | BAE Systems Plc | Calibrating rotational accelerometers |
| CN104459825A (en) * | 2013-09-22 | 2015-03-25 | 中国石油化工股份有限公司 | Test system for down hole detector sensor |
| CN203688580U (en) * | 2013-12-27 | 2014-07-02 | 天津航天瑞莱科技有限公司苏州分公司 | Portable sensor calibration device |
| CN104316728A (en) * | 2014-11-05 | 2015-01-28 | 苏州东菱振动试验仪器有限公司 | Method for calibrating sensitivity of multiple sensors |
| CN205607522U (en) * | 2016-01-29 | 2016-09-28 | 湖南省计量检测研究院 | Be applied to vibration sensor's calibrating installation |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643897A (en) * | 2016-12-19 | 2017-05-10 | 中科天工（武汉）产业投资管理有限公司 | Remote metering quality inspection system and remote metering quality inspection method |
| CN106969826A (en) * | 2017-04-10 | 2017-07-21 | 西安航天动力试验技术研究所 | The calibrating installation and calibration method of a kind of vibrating sensor |
| CN107664566A (en) * | 2017-09-21 | 2018-02-06 | 湖北省地震局 | Portable vibration platform calibrating installation |
| CN107664566B (en) * | 2017-09-21 | 2023-11-24 | 湖北省地震局 | Portable vibrating table calibrating device |
| CN108180987A (en) * | 2018-02-05 | 2018-06-19 | 浙江大学 | The calibrating installation of vibrating sensor |
| CN108180988A (en) * | 2018-02-05 | 2018-06-19 | 浙江大学 | Positive step acceleration exciting bank |
| CN108195462A (en) * | 2018-02-05 | 2018-06-22 | 浙江大学 | A kind of calibrating installation of vibrating sensor |
| CN108344883A (en) * | 2018-02-05 | 2018-07-31 | 浙江大学 | A kind of positive step acceleration exciting bank |
| CN110555350A (en) * | 2018-06-04 | 2019-12-10 | 北京钛方科技有限责任公司 | Elastic wave signal calibration device and method |
| CN110555350B (en) * | 2018-06-04 | 2022-06-28 | 北京钛方科技有限责任公司 | Elastic wave signal calibration device and method |
| CN109870231B (en) * | 2019-03-15 | 2023-09-26 | 浙江大学城市学院 | Automatic metering verification system and identification algorithm for vibration measuring instrument |
| CN109870231A (en) * | 2019-03-15 | 2019-06-11 | 浙江大学城市学院 | Vibration measuring instrument automatic gauge verification system and recognizer |
| CN111208318A (en) * | 2020-01-14 | 2020-05-29 | 西人马（厦门）科技有限公司 | Acceleration sensor verification system and method |
| CN111432324A (en) * | 2020-05-26 | 2020-07-17 | 北京瑞森新谱科技股份有限公司 | Testing method and testing system for bone voiceprint earphone |
| CN111432324B (en) * | 2020-05-26 | 2021-05-04 | 北京瑞森新谱科技股份有限公司 | Testing method and testing system for bone voiceprint earphone |
| CN114623923A (en) * | 2021-12-21 | 2022-06-14 | 浙江运达风电股份有限公司 | Verification test system and method for tower top low-frequency vibration sensor of wind turbine generator |
| CN114623923B (en) * | 2021-12-21 | 2023-09-01 | 浙江运达风电股份有限公司 | Verification test system and method for low-frequency vibration sensor at tower top of wind turbine generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105606207A (en) | Calibration apparatus and calibration method applied to vibration sensor | |
| CN202033101U (en) | Vibration and noise measuring instrument | |
| CN107244335B (en) | Wave abrasion detection device and method | |
| CN103226132B (en) | High speed railway steel rail flaw detection experiment platform and detection method | |
| CN111323544A (en) | Calibration method and system based on miniature air quality monitoring instrument | |
| CN106379376A (en) | on-line rail state monitoring method based on vibration and positioning monitoring | |
| CN107612999A (en) | The accurate monitoring system of air gridding | |
| CN106404160A (en) | Power transmission line monitoring device metering system and method in field environment | |
| CN100495475C (en) | Comprehensive test device and method of Doppler effect | |
| CN103359565A (en) | Lift cable tension measuring method and device | |
| CN110031084A (en) | A kind of vibration and noise on-Line Monitor Device and method for subway | |
| CN104897268A (en) | Laser-scanning-based apparatus and method for modal shape testing of high-grade numerical control machine tool | |
| CN205607522U (en) | Be applied to vibration sensor's calibrating installation | |
| KR101018479B1 (en) | Apparatus and method for management of soil compaction | |
| CN106932162B (en) | Track dynamic stiffness test method and system | |
| CN105137203A (en) | Electromagnetic environment test system applied to rail transit vehicles and method thereof | |
| CN107445043A (en) | Staircase all-round property testing and quality monitoring method and system | |
| CN207407924U (en) | Industrial park ambient air quality supervisory systems | |
| CN208036293U (en) | Rail of subway real-time state monitoring device | |
| US20090118893A1 (en) | Method of integrated detection for automobile instruments | |
| CN106274980A (en) | Track condition on-line monitoring method based on laser monitoring | |
| CN209327003U (en) | Crane integrated performance detecting system | |
| CN203349926U (en) | Motor detection apparatus based on sound waves | |
| CN206847958U (en) | One kind is used for offshore platform dynamic power machine vibration and noise test system | |
| CN109342057A (en) | A kind of transmission parts test macro with high-speed data acquisition function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160525 |
|
| RJ01 | Rejection of invention patent application after publication |