CN203337352U - Eddy current sensor multi-channel dynamic calibration device - Google Patents
Eddy current sensor multi-channel dynamic calibration device Download PDFInfo
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- CN203337352U CN203337352U CN2013204600072U CN201320460007U CN203337352U CN 203337352 U CN203337352 U CN 203337352U CN 2013204600072 U CN2013204600072 U CN 2013204600072U CN 201320460007 U CN201320460007 U CN 201320460007U CN 203337352 U CN203337352 U CN 203337352U
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- eddy current
- dynamic calibration
- current sensors
- calibration device
- current vortex
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Abstract
The utility model provides an eddy current sensor multi-channel dynamic calibration device. The eddy current sensor multi-channel dynamic calibration device comprises a sensing disc, and an installation plate which is arranged in parallel with the sensing disc. A plurality of installation holes through which eddy current sensors can be installed separately are formed in the installation plate, and the eddy current sensors installed in the installation holes are all located in the sensing region of the sensing disc. In the eddy current sensor multi-channel dynamic calibration device provided in the utility model, the sensing disc can be used to sense the plurality of eddy current sensors installed in the plurality of installation holes at the same time to make the eddy current sensor multi-channel dynamic calibration device can be used to perform check on the plurality of eddy current sensors at the same time so as to improve the checking efficiency of the eddy current sensors significantly.
Description
Technical field
The utility model relates to the calibration equipment technical field, more particularly, relates to a kind of current vortex sensor hyperchannel dynamic calibration apparatus.
Background technology
Current vortex sensor is a kind of non-cpntact measurement probe, is widely used in the overall machine vibration monitoring system of the industries such as oil, chemical industry, generating.
No. 201120564333.9, Chinese patent, disclosed a kind of current vortex sensor single channel dynamic corrector based on the accelerometer check system, comprises fixed support, and support bracket fastened pillar two ends are fixed wtih top installing plate and lower floor's annulus; Be provided for clamping the retaining sleeve of current vortex sensor on the installing plate of top, lower floor's annulus is fixed on actuating vibration table, the standard piezoelectric accelerometer is set on the actuating vibration table moving-coil, and circular test inductive disks is fixed on standard piezoelectric accelerometer upper end, and it is corresponding with the retaining sleeve on the installing plate of top.The checking procedure of this calibration equipment is: adjust current vortex sensor and the distance of testing inductive disks, make current vortex sensor near the mid point between linear zone, then shaking table is carried out to exciting, the acceleration signal that the standard piezoelectric accelerometer picks up is output as the standard shift value and shows after quadratic integral by charge amplifier.Then the current vortex sensor measured data of current vortex sensor vibration monitor system gained and standard shift value are compared, draw the deviation of current vortex sensor.
Although this kind of current vortex sensor calibration equipment can be realized the verification of current vortex sensor preferably, but still there is certain defect in it: in checking procedure, can only carry out verification operation for a current vortex sensor at every turn, verification efficiency is comparatively low, far can not adapt to the needs of business development.
Therefore, how improving the verification efficiency of current vortex sensor, is current those skilled in the art's problem demanding prompt solution.
The utility model content
In view of this, the utility model provides a kind of current vortex sensor hyperchannel dynamic calibration apparatus, and it can significantly improve the verification efficiency to current vortex sensor.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of current vortex sensor hyperchannel dynamic calibration apparatus, comprise inductive disks and the installing plate be arranged in parallel with described inductive disks, wherein, be provided with on described installing plate and a plurality of the mounting hole of current vortex sensor can be installed separately, and be arranged on the induction region that all described current vortex sensor in described mounting hole all is positioned at described inductive disks.
Preferably, in above-mentioned current vortex sensor hyperchannel dynamic calibration apparatus, all described mounting holes are evenly distributed on described installing plate.
Preferably, in above-mentioned current vortex sensor hyperchannel dynamic calibration apparatus, described current vortex sensor is arranged in described mounting hole by keeper.
Preferably, in above-mentioned current vortex sensor hyperchannel dynamic calibration apparatus, described keeper comprises the locating sleeve be arranged in described mounting hole, and can regulate described locating sleeve position lock-screw that described locating sleeve is locked in described mounting hole.
Preferably, in above-mentioned current vortex sensor hyperchannel dynamic calibration apparatus, described inductive disks is arranged on shaking table by supporting seat, and described supporting seat is positioned on the bottom surface of described inductive disks.
Preferably, in above-mentioned current vortex sensor hyperchannel dynamic calibration apparatus, be provided with the standard piezoelectric accelerometer on described supporting seat.
Preferably, in above-mentioned current vortex sensor hyperchannel dynamic calibration apparatus, described supporting seat is connected with the moving-coil of described shaking table.
Preferably, in above-mentioned current vortex sensor hyperchannel dynamic calibration apparatus, described installing plate is arranged at the top of described inductive disks by support bar.
Preferably, in above-mentioned current vortex sensor hyperchannel dynamic calibration apparatus, described support bar bottom is fixed by screws on base.
Preferably, in above-mentioned current vortex sensor hyperchannel dynamic calibration apparatus, described base through screws and described shaking table are fixed together.
In the current vortex sensor hyperchannel dynamic calibration apparatus that the utility model provides, on installing plate, be provided with for a plurality of mounting holes of current vortex sensor are installed, each mounting hole all can be installed separately a current vortex sensor, and be arranged on the induction region that the interior current vortex sensor of each mounting hole all is positioned at inductive disks, therefore, inductive disks can be carried out sensing to a plurality of current vortex sensors that are arranged in a plurality of mounting holes simultaneously, so that current vortex sensor hyperchannel dynamic calibration apparatus can carry out verification to a plurality of current vortex sensors simultaneously, thereby significantly improve the verification efficiency of current vortex sensor.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The normal axomometric drawing of the current vortex sensor hyperchannel dynamic calibration apparatus that Fig. 1 provides for the utility model embodiment;
The normal axomometric drawing that Fig. 2 is opposite side.
In above Fig. 1-Fig. 2:
Embodiment
The utility model provides a kind of current vortex sensor hyperchannel dynamic calibration apparatus, and it can significantly improve the verification efficiency to current vortex sensor.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.
As depicted in figs. 1 and 2, the current vortex sensor hyperchannel dynamic calibration apparatus that the utility model embodiment provides, comprise the inductive disks 1 for sensing current vortex sensor 3, with the installing plate 2 be arranged in parallel with inductive disks 1, wherein, be provided with a plurality of mounting holes that current vortex sensor 3 can be installed on installing plate 2, each mounting hole all can be installed separately a current vortex sensor 3, and is arranged on the induction region that the interior all current vortex sensors 3 of mounting hole all are positioned at inductive disks 1.
Wherein, induction region refers to along the axis direction of inductive disks 1, and the thickness of inductive disks 1 is increased until thickness reaches a certain numerical value to both sides, and the zone that the imaginary circles cylinder of formation comprises is the induction region of inductive disks 1.
In the current vortex sensor hyperchannel dynamic calibration apparatus that the present embodiment provides, on installing plate 2, be provided with for the mounting hole of current vortex sensor 3 is installed, each mounting hole all can be installed separately a current vortex sensor 3, and be arranged on the induction region that the interior current vortex sensor 3 of each mounting hole all is positioned at inductive disks 1, therefore, inductive disks 1 can be carried out sensing to a plurality of current vortex sensors 3 that are arranged in a plurality of mounting holes simultaneously, so that current vortex sensor hyperchannel dynamic calibration apparatus can carry out verification to a plurality of current vortex sensors 3 simultaneously, thereby significantly improved the verification efficiency to current vortex sensor 3.
In order further to optimize technique scheme, in the current vortex sensor hyperchannel dynamic calibration apparatus that the present embodiment provides, all mounting holes are evenly distributed on installing plate 2.The mounting hole be evenly distributed on installing plate 2 can make a plurality of current vortex sensors 3 that are arranged in mounting hole be evenly distributed in the induction region of inductive disks 1, at utmost to reduce even to avoid a plurality of current vortex sensors 3 influencing each other in induction region, can further improve the verification accuracy rate.
Preferably, current vortex sensor 3 is arranged in mounting hole by keeper, and this keeper comprises the locating sleeve 4 be arranged in mounting hole, and can regulate locating sleeve 4 position lock-screw 5 that locating sleeve 4 is locked in described mounting hole.Locating sleeve 4 integral body that are arranged in mounting hole are tube-in-tube structure, it can increase the contact area with current vortex sensor 3, thereby can be more firm current vortex sensor 3 be positioned, contact with other points or the locator meams of line contact is compared, and locates, it is better to connect effect.
The lock-screw 5 coordinated with locating sleeve 4, by with installing plate 2, carrying out threaded engagement, to reach the effect of degree of tightness locating sleeve 4, and, when the operation that lock-screw 5 is screwed and loosen, can promote locating sleeve 4 at the lock-screw 5 of installing plate 2 interior movements and be subjected to displacement in mounting hole, change thereby make to be arranged on the position that current vortex sensors 3 in locating sleeve 4 are positioned at mounting hole, to play the effect that the position of single current vortex sensor 3 is finely tuned.Locating sleeve 4 not only is easy to operate with the fit system of lock-screw 5, and it is simple in structure, is easy to processing, more is conducive to application and the popularization of the technical scheme that the present embodiment provides.Certainly, under the prerequisite that does not affect current vortex sensor 3 normal mounting on installing plate 2, keeper can also be other structure type, for example holddown spring.
In addition, locating sleeve 4 can be according to the different model of current vortex sensor 3, make various structures and be complementary with it, in order to the current vortex sensor 3 of a plurality of models can be installed, improved the versatility of the current vortex sensor hyperchannel dynamic calibration apparatus that the present embodiment provides.
The concrete course of work of current vortex sensor hyperchannel dynamic calibration apparatus that the present embodiment provides is: first current vortex sensor to be calibrated 3 is put into to locating sleeve 4 separately, handle on adjustable fixing 10 crossbeams or lock-screw 5, observe the output voltage of current vortex sensor, confirm that each current vortex sensor all is positioned at the central point of its range of linearity, then screw lock-screw 5, make the current vortex sensor 3 in locating sleeve 4 clamped.Then the Vibration on Start-up platform 7, start current vortex sensor 3 is carried out to dynamic calibration.
Concrete, in the current vortex sensor hyperchannel dynamic calibration apparatus that the present embodiment provides, inductive disks 1 is arranged on shaking table 7 by supporting seat 6, and supporting seat 6 is positioned on the bottom surface of inductive disks 1, be provided with standard piezoelectric accelerometer 8 on supporting seat 6, supporting seat 6 is connected with the moving-coil 9 of shaking table 7, and installing plate 2 is arranged at the top of inductive disks 1 by support bar 10, and support bar 10 bottoms are fixed by screws on base 11, base 11 is connected with shaking table 7 is fastening.
Wherein, supporting seat 6 is the reeded cylinder-like structure of tool, and standard piezoelectric accelerometer 8 is arranged in this groove.
The structure of above-mentioned current vortex sensor hyperchannel dynamic calibration apparatus, it is only a kind of preferred set-up mode simple in structure, carry out the while sensing in the situation that meet 1 pair of a plurality of current vortex sensor 3 of inductive disks, its concrete syndeton can also be other mode, at this, does not do restriction.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204600072U CN203337352U (en) | 2013-07-30 | 2013-07-30 | Eddy current sensor multi-channel dynamic calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204600072U CN203337352U (en) | 2013-07-30 | 2013-07-30 | Eddy current sensor multi-channel dynamic calibration device |
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| Publication Number | Publication Date |
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| CN203337352U true CN203337352U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013204600072U Expired - Fee Related CN203337352U (en) | 2013-07-30 | 2013-07-30 | Eddy current sensor multi-channel dynamic calibration device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106403794A (en) * | 2016-09-22 | 2017-02-15 | 浙江大学 | Device used for dynamic and static calibration of eddy current sensor |
| CN106501356A (en) * | 2016-12-29 | 2017-03-15 | 核动力运行研究所 | A kind of interior crossing type eddy current probe centering method of calibration |
| CN106969828A (en) * | 2017-04-18 | 2017-07-21 | 中广核工程有限公司 | A kind of steam turbine watt vibration sensor fault diagnosis and passage check system and method |
| CN113074767A (en) * | 2021-03-30 | 2021-07-06 | 宁夏计量质量检验检测研究院 | Eddy current sensor dynamic and static integrated calibrating device |
| CN113074768A (en) * | 2021-03-30 | 2021-07-06 | 宁夏计量质量检验检测研究院 | Dynamic and static continuous calibration method for eddy current sensor |
-
2013
- 2013-07-30 CN CN2013204600072U patent/CN203337352U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106403794A (en) * | 2016-09-22 | 2017-02-15 | 浙江大学 | Device used for dynamic and static calibration of eddy current sensor |
| CN106403794B (en) * | 2016-09-22 | 2020-03-24 | 浙江大学 | Device for dynamic and static calibration of eddy current sensor |
| CN106501356A (en) * | 2016-12-29 | 2017-03-15 | 核动力运行研究所 | A kind of interior crossing type eddy current probe centering method of calibration |
| CN106501356B (en) * | 2016-12-29 | 2019-08-13 | 核动力运行研究所 | A kind of interior crossing type eddy current probe is to neutral method of calibration |
| CN106969828A (en) * | 2017-04-18 | 2017-07-21 | 中广核工程有限公司 | A kind of steam turbine watt vibration sensor fault diagnosis and passage check system and method |
| CN113074767A (en) * | 2021-03-30 | 2021-07-06 | 宁夏计量质量检验检测研究院 | Eddy current sensor dynamic and static integrated calibrating device |
| CN113074768A (en) * | 2021-03-30 | 2021-07-06 | 宁夏计量质量检验检测研究院 | Dynamic and static continuous calibration method for eddy current sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131211 Termination date: 20200730 |