CN205607522U - Be applied to vibration sensor's calibrating installation - Google Patents
Be applied to vibration sensor's calibrating installation Download PDFInfo
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- CN205607522U CN205607522U CN201620094172.4U CN201620094172U CN205607522U CN 205607522 U CN205607522 U CN 205607522U CN 201620094172 U CN201620094172 U CN 201620094172U CN 205607522 U CN205607522 U CN 205607522U
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Abstract
The utility model discloses a be applied to vibration sensor's calibrating installation, gather the appearance and control the vibration standard device of gathering appearance signal connection with this including control, control is gathered the appearance and is included control module and collection module, network terminal passes through control module conveying signal makes it produce corresponding vibration to the standard device of vibration, vibrate the standard vibration signal of standard device output to convey back network terminal through collection module, the vibration signal that the standard device of the vibration sensor that awaits measuring simultaneously response vibration produced to convey network terminal through collection module. The utility model discloses a network terminal remote control vibrates standard device work to vibration signal to the standard vibration signal and the vibration sensor conveying of awaiting measuring in network terminal carries out the comparison processing, need not to transfer the mechanism to metrological verification with the vibration sensor that awaits measuring, can realize examination, simple structure and portable at job site.
Description
Technical field
This utility model relates to vibration measurement calibration field, particularly relates to a kind of assay device being applied to vibrating sensor.
Background technology
Vibrating sensor as the pith in measuring technology, its can the vibration signal of Real-time Collection measured body, be therefore widely used in every field.The vibration signal of vibrating sensor detection contains state change and the abundant information of fault signature of the monitored areas such as plant equipment, building structure, oil pipeline, bullet train, and the analysis of vibration signal is the Main Means extracting fault characteristic information, also it is further tracing trouble reason and takes Preventing Countermeasures, realize the important evidence of safe early warning.Visible, the monitoring to vibration signal has particularly important effect, and it is directly connected to the accuracy of diagnostic result.The magnitude tracing of vibrating sensor is exactly reliable, the value important channel accurately ensureing vibration signal, is also the prerequisite that the production of every profession and trade, living safety are effectively ensured.
At present, when vibrating sensor is carried out magnitude tracing, must first be dismantled and be delivered to metering validation activity again, it effectively could be examined and determine, this just brings inconvenience for many departments, such as: generator set vibration monitoring in power industry department, city seismic prospecting is led for petroleum exploration, railway and bridge vibration analysis in traffic and transportation sector, in building trade, measure top of high-rise buildings rock, the vibrating sensor of body vibrations parameter is measured in high ferro, owing to being limited by on-the-spot test condition, test environment and method of testing, cannot realize dismantling censorship, thus affect its magnitude tracing demand, the most just cannot ensure the accuracy of monitoring vibration parameter quantities, so will be to daily production, living safety monitoring brings great hidden danger.
Even if some vibrating sensor is readily accessible, but the back-end data acquisition processing system of substantial amounts of collection data wire or heaviness also can make magnitude tracing work become the thing of worry the most, still more transport easily causes device damage during moving, great economic loss can be brought to enterprise, according to incompletely statistics, annual because of the sensor degradation accident up to 30% caused in censorship transportation, this allows for a lot of enterprise and actively abandons the annual plan of tracing to the source.
Utility model content
This utility model is to overcome the shortcoming of prior art with not enough, it is provided that a kind of simple in construction, is easy to carry, examines and determine the assay device that accuracy is high, be applied to vibrating sensor.
This utility model is achieved through the following technical solutions: a kind of assay device being applied to vibrating sensor, including controlling Acquisition Instrument and the vibration standard device being connected with this control Acquisition Instrument signal；Described control Acquisition Instrument includes control module and acquisition module；The network terminal transmits a signal to described vibration standard device by described control module makes it produce corresponding vibration；Described vibration standard device outputting standard vibration signal, and send back the network terminal by described acquisition module；The vibration signal that vibrating sensor induction vibration standard set-up the most to be measured produces, and it is sent to the network terminal by described acquisition module.
Further, described vibration standard device includes low-frequency vibration standard set-up；Described low-frequency vibration standard set-up includes power amplifier, Low frequency drivers, low-frequency vibration table and the low-frequency standard sensor being arranged on this low-frequency vibration table table top；The signal that described control module transmits, after described power amplifier amplifies, drives described low-frequency vibration table to produce corresponding vibration by Low frequency drivers；The vibration of low-frequency vibration table described in described low-frequency standard sensor sensing, and outputting standard vibration signal is to described acquisition module.
Further, described vibration standard device also includes intermediate frequency vibration standard device；Described intermediate frequency vibration standard device includes mid-driver, linear electric motors, intermediate frequency vibration table and the medium frequency standard sensor being arranged on this intermediate frequency vibration table surface；The signal that described control module sends drives described linear electric motors to move by this mid-driver, and described linear electric motors drive described intermediate frequency vibration table to produce corresponding vibration；The vibration of described this intermediate frequency vibration table of medium frequency standard sensor sensing, and outputting standard vibration signal is to described acquisition module.
Further, described grating scale detects the vibration signal of described intermediate frequency vibration table and feeds back to described control module.
In order to be more fully understood that and implement, describe this utility model below in conjunction with the accompanying drawings in detail.
Accompanying drawing explanation
Fig. 1 is the theory diagram that this utility model is applied to the assay device embodiment of vibrating sensor.
Detailed description of the invention
Referring to Fig. 1, it is the theory diagram that this utility model is applied to the assay device embodiment of vibrating sensor.This assay device being applied to vibrating sensor includes the vibration standard device controlling Acquisition Instrument and being connected with this control Acquisition Instrument signal.Described control Acquisition Instrument includes control module and acquisition module；The network terminal transmits a signal to described vibration standard device by described control module makes it produce corresponding vibration；Described vibration standard device outputting standard vibration signal, and send back the network terminal by described acquisition module；The vibration signal that vibrating sensor induction vibration standard set-up the most to be measured produces, and it is sent to the network terminal by described acquisition module.
In the present embodiment, the network terminal carries out signal communication with described control module and acquisition module by cable network or wireless network.
The working frequency range of vibrating sensor is mainly in the range of (0.1-3000) Hz, wherein (0.1-20) Hz is low frequency frequency range, (20-3000) Hz is intermediate-frequency band, and this utility model different operating based on vibrating sensor frequency range has been respectively adopted different vibration standard devices and has examined and determine.
Concrete, described vibration standard device includes low-frequency vibration standard set-up and the intermediate frequency vibration standard device being connected with described control Acquisition Instrument signal.
Described low-frequency vibration standard set-up includes power amplifier, Low frequency drivers, low-frequency vibration table and low-frequency standard sensor.Described low-frequency standard sensor and vibrating sensor to be measured are arranged on the table top center of low-frequency vibration table.The signal that described control module transmits, after described power amplifier amplifies, drives described low-frequency vibration table to produce corresponding vibration by Low frequency drivers；The vibration of low-frequency vibration table described in described low-frequency standard sensor sensing, and outputting standard vibration signal is to described acquisition module.
Described intermediate frequency vibration standard device includes mid-driver, linear electric motors, intermediate frequency vibration table, grating scale and medium frequency standard sensor.Described medium frequency standard sensor and vibrating sensor to be measured are arranged on the table top center of intermediate frequency vibration table back-to-back.The signal that described control module sends drives described linear electric motors to move by this mid-driver, and described linear electric motors drive described intermediate frequency vibration table to produce corresponding vibration.Described grating scale detects the vibration signal of described intermediate frequency vibration table and feeds back to described control module, to regulate the vibrational waveform of described intermediate frequency vibration table.The vibration of described this intermediate frequency vibration table of medium frequency standard sensor sensing, and outputting standard vibration signal is to described acquisition module.
During use, the assay device that this utility model provides is carried at the scene, judge the working frequency range of vibrating sensor to be measured, if vibrating sensor to be measured is low-frequency shock transducer, if it is in the low frequency frequency range of (0.1-20) Hz, then vibrating sensor to be measured is arranged on low-frequency vibration standard set-up, the network terminal transmits a signal to described control module by wirelessly or non-wirelessly mode, controlled low-frequency vibration standard set-up by control module and produce corresponding vibration, and the standard vibration signal of low-frequency vibration standard transducer output and the vibration signal of vibrating sensor to be measured sensing are sent to the network terminal by described acquisition module, by the network terminal, signal is processed.
If being in the intermediate-frequency band of (20-3000) Hz, then vibrating sensor to be measured is arranged on intermediate frequency vibration standard device, the network terminal transmits a signal to described control module by wirelessly or non-wirelessly mode, controlled intermediate frequency vibration standard device by control module and produce corresponding vibration, and the standard vibration signal of medium frequency standard sensor output and the vibration signal of vibrating sensor to be measured sensing are sent to the network terminal by described acquisition module, the network terminal signal is processed.
If being in (0.1-3000) Hz frequency range, being then divided into low frequency frequency range and intermediate-frequency band, treating each frequency range of vibration measuring dynamic sensor according to the cautious mode of above-mentioned low frequency frequency range and intermediate-frequency band and examining and determine.
Compared to prior art, this utility model remotely controls vibration standard device by the network terminal and works, and in the network terminal, the standard vibration signal of vibration standard device output and the vibration signal of vibrating sensor to be measured transmission are compared process, thus treat vibration measuring dynamic sensor and carry out qualification determination, without vibrating sensor to be measured is transferred to metering validation activity, can realize calibrating in working site, simple in construction, be easy to carry and to examine and determine accuracy high.Further, integrated low-frequency vibration standard set-up and intermediate frequency vibration standard device, it is achieved the calibrating to the vibrating sensor of different frequency range, more conforms to reality, convenient.
This utility model is not limited to above-mentioned embodiment, if to various changes of the present utility model or deformation without departing from spirit and scope of the present utility model, if within the scope of these changes and deformation belong to claim of the present utility model and equivalent technologies, then this utility model is also intended to comprise these changes and deformation.
Claims (6)
1. the assay device being applied to vibrating sensor, it is characterised in that: include the vibration standard device controlling Acquisition Instrument and being connected with this control Acquisition Instrument signal；Described control Acquisition Instrument includes control module and acquisition module；The network terminal transmits a signal to described vibration standard device by described control module makes it produce corresponding vibration；Described vibration standard device outputting standard vibration signal, and send back the network terminal by described acquisition module；The vibration signal that vibrating sensor induction vibration standard set-up the most to be measured produces, and it is sent to the network terminal by described acquisition module.
The assay device being applied to vibrating sensor the most according to claim 1, it is characterised in that: described vibration standard device includes low-frequency vibration standard set-up；Described low-frequency vibration standard set-up includes power amplifier, Low frequency drivers, low-frequency vibration table and the low-frequency standard sensor being arranged on this low-frequency vibration table table top；The signal that described control module transmits, after described power amplifier amplifies, drives described low-frequency vibration table to produce corresponding vibration by Low frequency drivers；The vibration of low-frequency vibration table described in described low-frequency standard sensor sensing, and outputting standard vibration signal is to described acquisition module.
The assay device being applied to vibrating sensor the most according to claim 1 and 2, it is characterised in that: described vibration standard device also includes intermediate frequency vibration standard device；Described intermediate frequency vibration standard device includes mid-driver, linear electric motors, intermediate frequency vibration table and the medium frequency standard sensor being arranged on this intermediate frequency vibration table surface；The signal that described control module sends drives described linear electric motors to move by this mid-driver, and described linear electric motors drive described intermediate frequency vibration table to produce corresponding vibration；The vibration of described this intermediate frequency vibration table of medium frequency standard sensor sensing, and outputting standard vibration signal is to described acquisition module.
The assay device being applied to vibrating sensor the most according to claim 3, it is characterised in that: described intermediate frequency vibration standard device also includes grating scale；Described grating scale detects the vibration signal of described intermediate frequency vibration table and feeds back to described control module.
The assay device being applied to vibrating sensor the most according to claim 2, it is characterised in that: described low-frequency standard sensor and vibrating sensor to be measured are arranged on the table top center of low-frequency vibration table.
The assay device being applied to vibrating sensor the most according to claim 3, it is characterised in that: described medium frequency standard sensor and vibrating sensor to be measured are arranged on the table top center of intermediate frequency vibration table back-to-back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094172.4U CN205607522U (en) | 2016-01-29 | 2016-01-29 | Be applied to vibration sensor's calibrating installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094172.4U CN205607522U (en) | 2016-01-29 | 2016-01-29 | Be applied to vibration sensor's calibrating installation |
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| CN205607522U true CN205607522U (en) | 2016-09-28 |
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| CN201620094172.4U Active CN205607522U (en) | 2016-01-29 | 2016-01-29 | Be applied to vibration sensor's calibrating installation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
-
2016
- 2016-01-29 CN CN201620094172.4U patent/CN205607522U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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