CN202372252U - Accelerometer checking system-based dynamic checking device of eddy current sensor - Google Patents
Accelerometer checking system-based dynamic checking device of eddy current sensor Download PDFInfo
- Publication number
- CN202372252U CN202372252U CN2011205643339U CN201120564333U CN202372252U CN 202372252 U CN202372252 U CN 202372252U CN 2011205643339 U CN2011205643339 U CN 2011205643339U CN 201120564333 U CN201120564333 U CN 201120564333U CN 202372252 U CN202372252 U CN 202372252U
- Authority
- CN
- China
- Prior art keywords
- accelerometer
- eddy current
- current sensor
- disk
- test platform
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relate to an accelerometer checking system-based dynamic checking device of an eddy current sensor, which comprises a fixing bracket, wherein an upper-layer disk and a lower-layer disk are fixed on a support column of the fixing bracket; a jacket sleeve for clamping the eddy current sensor is arranged on the upper-layer disk; a shock excitation table is fixed on the lower-layer disk; a standard piezoelectric accelerometer is arranged on the shock excitation table; a round test platform is fixed at the upper end of the standard piezoelectric accelerometer; and the round test platform corresponds to the jacket sleeve on the upper-layer disk. The accelerometer checking system-based dynamic checking device can realize field dynamic checking of the eddy current sensor by using piezoelectric acceleration checking system, broadens the application range of the piezoelectric acceleration checking system, improves the upper limiting frequency compared with the traditional dynamic checking system and is simple in structure and convenient to machine.
Description
Technical field:
The utility model relates to the current vortex sensor calibration equipment, the eddy current sensor dynamic attitude calibration equipment that is based on the accelerometer check system that is specifically related to.
Background technology:
Current vortex sensor belongs to the non-cpntact measurement probe, is widely used in the overall machine vibration monitoring system of industries such as oil, chemical industry, generating.Present current vortex sensor calibration equipment can only carry out dynamic check under the frequency that is not higher than 200Hz.The standard piezoelectric accelerometer is through laser-calibrated high precision acceleration analysis probe, can directly be used for verification acceleration transducer back-to-back, but can not directly be used for current vortex sensor is carried out dynamic check.
Summary of the invention:
The purpose of the utility model provides the eddy current sensor dynamic attitude calibration equipment based on the accelerometer check system, and it is used to solve the problem that present accelerometer check system can not directly be used for current vortex sensor is carried out dynamic check.
The utility model solves the technical scheme that its technical matters adopted: this eddy current sensor dynamic attitude calibration equipment based on the accelerometer check system comprises fixed support, is fixing upper strata disk and lower floor's disk on the support bracket fastened pillar; Be provided for the retaining sleeve of clamping current vortex sensor on the disk of upper strata; Lower floor's disk is actuating vibration table fixedly; The piezoelectric accelerometer that sets up standard on the actuating vibration table, circular test platform are fixed on standard piezoelectric accelerometer upper end, and circular test platform is corresponding with the retaining sleeve on the disk of upper strata.
Circular test platform constitutes through circular platform below retaining thread bar in the such scheme, and circular test platform is threaded with the standard piezoelectric accelerometer through threaded rod.
The utlity model has following beneficial effect:
The utility model can utilize the piezoelectric acceleration check system to realize the on-the-spot dynamic check of current vortex sensor; Expanded the range of application of piezoelectric acceleration check system; Existing relatively dynamic check system has improved the upper limiting frequency of verification, and is simple in structure, easy to process.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is a support bracket fastened structural representation in the utility model;
Fig. 3 is the support bracket fastened vertical view of the utility model.
1. retaining sleeve, 2. screw, 3. upper strata disk, 4. clamp nut; 5. support column, 6. lower floor's disk, 7. feet, 8. test platform; 9. actuating vibration table, 10. standard piezoelectric accelerometer, 11. current vortex sensors; 12. vibration monitor system, 13. measurement by magnification systems, 14. actuating vibration table moving systems.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further explanation:
In conjunction with Fig. 1, Fig. 2, shown in Figure 3; This eddy current sensor dynamic attitude calibration equipment based on the accelerometer check system comprises fixed support; Fixed support has three pillars 5 at least; Upper strata disk 3 and lower floor's disk 6 all are fixed on the pillar 5 through clamp nut 4, and support bracket fastened lower end is a feet 7; Be provided for the retaining sleeve 1 of clamping current vortex sensor on the upper strata disk 3; After current vortex sensor 11 passes retaining sleeve 1, through tightening screw 2 current vortex sensor 11 is grasped, lower floor's disk 6 is actuating vibration table 9 fixedly; Piezoelectric accelerometer 10 sets up standard on the actuating vibration table 9; Circular test platform 8 is fixed on standard piezoelectric accelerometer 10 upper ends, and circular test platform 8 is corresponding with the retaining sleeve 1 on the disk of upper strata, and circular test platform 8 provides the aligning measurement plane for current vortex sensor 11; Circular test platform 8 is made up of circular platform below retaining thread bar, and circular test platform 8 is threaded with standard piezoelectric accelerometer 10 through threaded rod.
When the utility model carries out verification, with retaining sleeve 1 circular test platform 8 is grasped, actuating vibration table 9 is connected with actuating vibration table moving system 14 again, actuating vibration table moving system 14 comprises sine signal source and power amplifier; Also need standard piezoelectric accelerometer 10 be connected with measurement by magnification system 13, measurement by magnification system 13 comprises charge amplifier and measuring amplifier.Simultaneously; The vibration monitor system 12 that the utility model can be realized current vortex sensor 11 is constituted from the current vortex sensor to the prime amplifier again to the associating dynamic check of Displaying Meter; Like this; Also need current vortex sensor 11 be connected with vibration monitor system 12, vibration monitor system 12 comprises current vortex sensor 11, amplifier, Displaying Meter.
The utility model checking procedure does; The distance of adjustment current vortex sensor 11 and test platform 8 is near the static characteristics linear center point it, and the single frequency sinusoidal ripple that is produced in 10Hz ~ 1kHz scope by sine wave source promotes actuating vibration table 9 vibrations through the power amplifier in the actuating vibration table moving system 14.The acceleration signal that standard piezoelectric accelerometer 10 picks up is exported to measuring amplifier by charge amplifier and is shown behind quadratic integral.Then with current vortex sensor vibration monitor system video data and measuring amplifier video data record respectively, and finally carry out data processing.
The utility model only need be under the situation that possesses the piezoelectric acceleration check system, and processing and fabricating need not the extra dynamic check equipment of purchasing current vortex sensor.Adopt the piezoelectric acceleration check system to come verification current vortex sensor vibration monitor system; The characteristics of performance standard piezoelectric accelerometer accurate measurement, stable performance, wide frequency range; Widened the frequency range of verification, thereby brought up to the dynamic check upper limiting frequency of current vortex sensor monitoring system more than the 1kHz by 200Hz.
Claims (2)
1. eddy current sensor dynamic attitude calibration equipment based on the accelerometer check system; It is characterized in that: this eddy current sensor dynamic attitude calibration equipment based on the accelerometer check system comprises fixed support, is fixing upper strata disk (3) and lower floor's disk (6) on the support bracket fastened pillar (5); Be provided for the retaining sleeve (1) of clamping current vortex sensor (11) on the upper strata disk (3); Lower floor's disk (6) is actuating vibration table (9) fixedly; Piezoelectric accelerometer (10) sets up standard on the actuating vibration table (9); Circular test platform (8) is fixed on standard piezoelectric accelerometer (10) upper end, and circular test platform (8) is corresponding with the retaining sleeve (1) on the disk of upper strata.
2. the eddy current sensor dynamic attitude calibration equipment based on the accelerometer check system according to claim 1; It is characterized in that: described circular test platform (8) constitutes through circular platform below retaining thread bar, and circular test platform (8) is threaded with standard piezoelectric accelerometer (10) through threaded rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205643339U CN202372252U (en) | 2011-12-30 | 2011-12-30 | Accelerometer checking system-based dynamic checking device of eddy current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205643339U CN202372252U (en) | 2011-12-30 | 2011-12-30 | Accelerometer checking system-based dynamic checking device of eddy current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202372252U true CN202372252U (en) | 2012-08-08 |
Family
ID=46595949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205643339U Expired - Fee Related CN202372252U (en) | 2011-12-30 | 2011-12-30 | Accelerometer checking system-based dynamic checking device of eddy current sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202372252U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411744A (en) * | 2013-07-26 | 2013-11-27 | 浙江大学 | Electric eddy transducer dynamic calibration device |
| CN103776481A (en) * | 2014-02-13 | 2014-05-07 | 浙江大学 | Static automatic calibration system of electrical vortex sensor |
| CN111089987A (en) * | 2019-12-26 | 2020-05-01 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Portable field multi-frequency vibration acceleration correction system and method |
-
2011
- 2011-12-30 CN CN2011205643339U patent/CN202372252U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411744A (en) * | 2013-07-26 | 2013-11-27 | 浙江大学 | Electric eddy transducer dynamic calibration device |
| CN103411744B (en) * | 2013-07-26 | 2016-01-13 | 浙江大学 | Electric eddy transducer dynamic calibration device |
| CN103776481A (en) * | 2014-02-13 | 2014-05-07 | 浙江大学 | Static automatic calibration system of electrical vortex sensor |
| CN103776481B (en) * | 2014-02-13 | 2016-05-04 | 浙江大学 | The static automated calibration system of a kind of current vortex sensor |
| CN111089987A (en) * | 2019-12-26 | 2020-05-01 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Portable field multi-frequency vibration acceleration correction system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102095574B (en) | Joint surface dynamic characteristic parameter testing device of rolling guide rail and testing method thereof | |
| CN201803789U (en) | Portable fixing device of vibrating sensor | |
| CN102507742B (en) | Method for evaluating bonding strength of mechanical composite tube | |
| CN103389195B (en) | A kind of for the exciting rod without additional stiffness in mould measurement | |
| CN203385381U (en) | Eccentricity gauge | |
| CN106017769B (en) | A kind of deformable Three-Dimensional Dynamic force snesor in parallel | |
| CN102411066A (en) | Calibration device of triaxial acceleration sensor and calibration method thereof | |
| CN2890940Y (en) | d31 measuring system employing quasi-static state method | |
| CN202372252U (en) | Accelerometer checking system-based dynamic checking device of eddy current sensor | |
| CN103411764B (en) | A kind of inner rotor type gyro motor proving installation | |
| CN203337352U (en) | Eddy current sensor multi-channel dynamic calibration device | |
| CN202329505U (en) | Position error inspection jig | |
| CN203785964U (en) | Digital portable press | |
| CN203758495U (en) | Clamping device suitable for rock deformation testing sensor calibration | |
| CN103808574B (en) | The dynamic testing method of timber Poisson's ratio | |
| CN106052999B (en) | The compound wall bushing outer surface shock test device of extra-high voltage direct-current and test method | |
| CN102830171B (en) | Rock mass test piece ultrasonic testing device | |
| CN203811126U (en) | Stress ring deformation detection device | |
| CN107449505A (en) | A kind of contactless power output assembly vibration test system | |
| CN105444876B (en) | Multipoint mode pipe rod-like articles section vibration On-line Measuring Method and device | |
| CN105115707B (en) | A kind of joint curved surface faying face dynamic characteristic test device and method of testing | |
| CN203216420U (en) | Novel horizontal metroscope | |
| CN104236446B (en) | Drilling multi -components strain measurement head | |
| CN203241381U (en) | Scanning and detecting device of portable cylindrical ferromagnetic member | |
| CN203116686U (en) | Verticality gauge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20121230 |