CN108036811A - A kind of portable eddy-current sensor states check device and check method - Google Patents
A kind of portable eddy-current sensor states check device and check method Download PDFInfo
- Publication number
- CN108036811A CN108036811A CN201810043181.4A CN201810043181A CN108036811A CN 108036811 A CN108036811 A CN 108036811A CN 201810043181 A CN201810043181 A CN 201810043181A CN 108036811 A CN108036811 A CN 108036811A
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- Prior art keywords
- current sensor
- eddy current
- sensor
- eddy
- magnetic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The present invention relates to a kind of portable eddy-current sensor states check device and check method.At present, shake the eddy current sensor of measurement for axis, since its installation requirement is higher, while has to mounting distance and clearly requires very much, therefore shakes for operation axis that there are certain difficulty for the abnormal detection of probe monitors.Portable eddy-current sensor states check device disclosed by the invention includes serpentine magnetic stent, magnetic orbit, electronic check controller, track bolt, sensor stand and eddy current sensor, magnetic orbit is arranged on serpentine magnetic stent, electronic check controller is arranged on sensor stand, sensor stand is connected by track bolt with magnetic orbit, and eddy current sensor is arranged on sensor stand.The eddy current sensor that present invention can be suitably applied to different type large rotating machinery is verified, easy to use, can realize the state check of situ eddy current sensor, realizes the function of equipment on-line addition eddy current sensor.
Description
Technical field
The present invention relates to a kind of portable eddy-current sensor states check device and check method, is specifically run in equipment
The verification of online vortex vibration sensor states is realized in the case of non-stop-machine.
Background technology
To ensure large rotating machinery safe and stable operation, vibration monitoring, vibration monitoring master can be carried out generally directed to equipment
It is divided into that axis shakes monitoring and vibration of bearings monitors two parts, reality is come by velocity sensor generally directed to vibration of bearings monitoring
It is existing, and shake to monitor for axis and realized by eddy current probe sensor.
It can encounter the mutation of monitoring vibration data or data not normal phenomenon when during day-to-day operation, and same hour hands
Other monitoring parameters are carried out with analysis contrast and no abnormal.Therefore the precision for vibration probe monitoring is subsequently needed to carry out
Detection.
For the velocity sensor of monitoring vibration of bearings, since its monitoring installation method is simple, passed for speed
Sensor extremely can judgement of the simple realization to its accuracy.Shake the eddy current sensor of measurement for axis, due to its installation requirement compared with
Height, while have to mounting distance and clearly require very much, therefore shake for operation axis that there are one for the detection of probe monitors exception
Fixed difficulty.Also it is useful for adjusting the device of eddy current probe angle now, if publication date is on November 18th, 2015, Publication No.
In the Chinese patent of CN204772170U, a kind of eddy current probe angle calibration system positioner is disclosed, but the eddy current probe angle
Degree calibration positioning device is difficult to easily and efficiently be adjusted.
It is difficult to simplify the flow that live operational outfit installs eddy current probe additional at present, it is difficult to realize that eddy current probe is precisely fixed,
It is difficult to the detection for easily realizing the original eddy current probe monitoring precision of equipment.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency existing in the prior art, and provide a kind of reasonable in design
Portable eddy-current sensor states check device and check method, are applicable to the currents sensing of different type large rotating machinery
Device is verified, easy to use, can realize the state check of situ eddy current sensor, realizes equipment on-line addition eddy current sensor
Function.
Technical solution is used by the present invention solves the above problems：A kind of portable eddy-current sensor states verify dress
Put, including serpentine magnetic stent, magnetic orbit, electronic check controller, track bolt, sensor stand and eddy current sensor,
The magnetic orbit is arranged on serpentine magnetic stent, and the electronic check controller is arranged on sensor stand, the biography
Sensor bracket is connected by track bolt with magnetic orbit, and the eddy current sensor is arranged on sensor stand；Its feature exists
In one end and one end of serpentine magnetic stent of the magnetic orbit are fixed, and the other end of the magnetic orbit is free end；Institute
State that sensor stand is slideable to be connected with magnetic orbit；The eddy current sensor is arranged in parallel with magnetic orbit, the biography
Sensor bracket is tubular structure, and the eddy current sensor is fixed on one end of sensor stand, the cable of the eddy current sensor
In the tubular structure, the cable of the eddy current sensor is exported by the other end of sensor stand.Eddy current sensor
Cable end is finally fixed at by sensor stand on the slide of serpentine magnetic stent, its length can meet eddy current sensor with turning
Axis completely attaches to.
Preferably, the cable of the eddy current sensor is connected by data output interface with vibrating data collection instrument.Number
There is function of supplying power according to output interface, realize the normal work of eddy current sensor；Eddy current sensor data output end finally connects
To vibration acquisition instrument, to facilitate the analyses and comparison of more detailed parameter, realize and verify.
Preferably, the serpentine magnetic stent has radian.Serpentine magnetic stent can arbitrarily convert arrangement, with full
Sufficient being bonded with various sizes of bearing block, and rigidity is identical with the rigidity of live actual vibration sensor stand after fixing.
Preferably, two eddy current sensors are installed on the serpentine magnetic stent.To realize to the same bearing shell in scene
The eddy current sensor of both direction is carried out at the same time comparative analysis.
Preferably, the sensor stand is I type probe bracket sleeves, the I types probe bracket sleeve is passed with vortex
The position of sensor connection is 360 degree of rotary structures.And eddy current sensor can be fixed in any direction, to meet no scene
Need.
Preferably, the sensor stand is provided with internal thread, the eddy current sensor is provided with external screw thread, the whirlpool
Flow sensor is threadedly coupled with sensor stand.The fixed-direction by threaded adjusting eddy current sensor can be needed according to scene.
Preferably, the serpentine magnetic stent be provided with it is multiple.Multiple serpentine magnetic holder combinations can be used for large-scale rotation
Tool of making a connection is verified, to meet that multi-measuring point is verified at the same time.
A kind of check method of portable eddy-current sensor states check device as described above, it is characterised in that described
Check method is as follows：Serpentine magnetic stent is fixed in equipment, sensor stand is fixed on magnetic orbit, it is mobile magnetic
The other end of magnetic orbit is fixed on serpentine magnetic stent by the other end of track to adjust the position of sensor stand；
The fastening of sensor stand and the adjusting of eddy current sensor angle are realized by adjusting track bolt, eddy current sensor is existed
The radial direction of serpentine magnetic stent；The distance between eddy current sensor and shaft are adjusted by electronic check controller, and
The final position of eddy current sensor is judged by the voltage shown on electronic check controller, passes through the position to eddy current sensor
Put makes its probe numerical value original with equipment identical with the adjustment of angle；Each eddy current sensor is analyzed on data acquisition instrument
The data of display, if there is a direction eddy current sensor to show that numerical value differs larger with the original probe numerical value of equipment, are ensureing to be somebody's turn to do
In the case that eddy current sensor is accurate, you can judge the state of device context eddy current sensor.It is easy to use, realize and set
The function of standby online addition eddy current sensor.
Preferably, the equipment is bearing block or foundation sole plate, the serpentine magnetic stent is direct with arbitrary shape
Fixed in equipment.Serpentine magnetic stent can arbitrarily shape be bonded with member in tight such as bearing blocks, to meet various differences
The component of shape.
Preferably, movement of the electronic check controller Electronic control eddy current sensor in radial direction, with adjustment
The radial clearance of eddy current sensor and shaft, and once lock, eddy current sensor is no longer close to shaft.Electronic check controls utensil
There is defencive function, it can be achieved that eddy current sensor and the distance controlling before shaft, avoid risk during sensor dismounting.It is electronic
For check controller once locking, sensor can not be only remote again close to shaft.
Compared with prior art, the present invention haing the following advantages and effect：For situation of the prior art, according to vortex
Sensor vibration measuring principle, simplifies the flow that live operational outfit installs eddy current sensor additional, realizes the accurate of eddy current sensor
It is fixed, it can more easily realize the state check of the original eddy current sensor of equipment.
Serpentine magnetic stent can arbitrarily convert arrangement, to meet to be bonded with various sizes of bearing block, and fixation
Rigidity is identical with the rigidity of live actual vibration sensor stand afterwards, can meet the verification of equipment under different condition.
One end of magnetic orbit and one end of serpentine magnetic stent are fixed, and the other end of magnetic orbit is slideable and snake
The other end connection of shape magnetic bracket, according to scene can need that the angle of slide and position is adjusted flexibly, applied widely.
Electronic check controller when carrying out sensing station control can real-time display gap voltage, facilitate and scene be real
The contrast of border probe, while protective effect is played, it can be achieved that eddy current sensor and the distance controlling before shaft, avoid biography
Risk when sensor is dismantled.
The cable end of eddy current sensor is finally secured to by sensor stand on the slide of serpentine magnetic stent, its length
It can meet that eddy current sensor is completely attached to shaft；The data output end of eddy current sensor is ultimately connected to vibration acquisition instrument, with
Facilitate the analyses and comparison of more detailed parameter, realize and verify.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the embodiment of the present invention.
In figure：Serpentine magnetic stent 1, magnetic orbit 2, electronic check controller 3, track bolt 4, sensor stand 5, whirlpool
Flow sensor 6, cable 7.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, and following embodiments are to this hair
Bright explanation and the invention is not limited in following embodiments.
Embodiment.
Referring to Fig. 1, a kind of 6 state check device of portable eddy-current sensor, including serpentine magnetic stent 1, magnetic orbit
2nd, electronic check controller 3, track bolt 4, sensor stand 5 and eddy current sensor 6.
Serpentine magnetic stent 1 has radian, can be more closely bonded with various sizes of equipment with arbitrary shape；Magnetic rail
Road 2 is arranged on serpentine magnetic stent 1, and one end and one end of serpentine magnetic stent 1 of magnetic orbit 2 are fixed, magnetic orbit 2
The other end is free end, and the other end of magnetic orbit 2 is fixed by the components such as bolt and the other end of serpentine magnetic stent 1, can
According to the position for the other end for being actually needed fixed magnetic track 2, it is adapted to a variety of verification environment.
Electronic check controller 3 is arranged on sensor stand 5, and sensor stand 5 is slideable by track bolt 4
It is connected with magnetic orbit 2, eddy current sensor 6 is arranged on sensor stand 5；Track bolt 4 be used for adjust sensor stand 5 with
The tightness of magnetic orbit 2, while it is additionally operable to adjust the angle of sensor stand 5, to meet live needs；Sensor stand
5 are provided with internal thread, and eddy current sensor 6 is provided with external screw thread, and eddy current sensor 6 is threadedly coupled with sensor stand 5.
Eddy current sensor 6 is arranged in parallel with magnetic orbit 2, and sensor stand 5 is tubular structure, it is preferable that sensor branch
Frame 5 is I type probe bracket sleeves, and the position that I type probe bracket sleeves are connected with eddy current sensor 6 is 360 degree of rotary structures；
Eddy current sensor 6 is fixed on one end of sensor stand 5, and the cable 7 of eddy current sensor 6 is located in tubular structure, currents sensing
The cable 7 of device 6 is exported by the other end of sensor stand 5, and the cable 7 of eddy current sensor 6 passes through data output interface and vibration
Data collecting instrument connects, and data output interface has function of supplying power, to meet the normal work of eddy current sensor 6.
A kind of check method of 6 state check device of portable eddy-current sensor as described above, check method are as follows：Will
Serpentine magnetic stent 1 is fixed in equipment, and according to live needs, serpentine magnetic stent 1 may be provided with multiple, each serpentine magnetic
Two or more eddy current sensors 6 can be installed on stent 1；Equipment is bearing block, foundation sole plate or miscellaneous part and position；Snake
Shape magnetic bracket 1 is affixed directly in equipment with arbitrary shape.Sensor stand 5 is fixed on magnetic orbit 2, mobile magnetic
The other end of magnetic orbit 2 is fixed on serpentine magnetic branch by the other end of property track 2 to adjust the position of sensor stand 5
On frame 1；The adjusting of 6 angle of the fastening of sensor stand 5 and eddy current sensor is realized by adjusting track bolt 4, makes whirlpool
Radial direction of the flow sensor 6 in serpentine magnetic stent 1；Eddy current sensor 6 and shaft are adjusted by electronic check controller 3
The distance between, electronic 3 Electronic control eddy current sensor 6 of check controller radial direction movement, to adjust currents sensing
Device 6 and the radial clearance of shaft, and once lock, eddy current sensor 6 is no longer close to shaft；And pass through electronic check controller 3
The voltage of upper display judges the final position of eddy current sensor 6, passes through position to eddy current sensor 6 and the adjustment of angle
Make it identical with the original probe numerical value of equipment；The data that each eddy current sensor 6 is shown on data acquisition instrument are analyzed, if having
A direction eddy current sensor 6 shows that numerical value differs larger with the original probe numerical value of equipment, is ensureing that the eddy current sensor 6 is accurate
In the case of errorless, you can judge the state of device context eddy current sensor 6.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, be named
Title etc. can be different, and the above content described in this specification is only to structure example explanation of the present invention.It is all according to
The equivalence changes or simple change done according to the construction described in inventional idea of the present invention, feature and principle, are included in this hair
In the protection domain of bright patent.Those skilled in the art can do described specific embodiment various
The modification of various kinds or supplement substitute in a similar way, without departing from structure of the invention or surmount present claims
Scope defined in book, is within the scope of protection of the invention.
Claims (10)
1. a kind of portable eddy-current sensor states check device, including the control of serpentine magnetic stent, magnetic orbit, electronic check
Device, track bolt, sensor stand and eddy current sensor, the magnetic orbit are arranged on serpentine magnetic stent, described electronic
Check controller is arranged on sensor stand, and the sensor stand is connected by track bolt with magnetic orbit, the whirlpool
Flow sensor is arranged on sensor stand；It is characterized in that, one end of the magnetic orbit and one end of serpentine magnetic stent
Fixed, the other end of the magnetic orbit is free end；The sensor stand is slideable to be connected with magnetic orbit；It is described
Eddy current sensor is arranged in parallel with magnetic orbit, and the sensor stand is tubular structure, and the eddy current sensor is fixed on biography
One end of sensor bracket, the cable of the eddy current sensor are located in the tubular structure, the cable of the eddy current sensor by
The other end export of sensor stand.
2. portable eddy-current sensor states check device according to claim 1, it is characterised in that the currents sensing
The cable of device is connected by data output interface with vibrating data collection instrument.
3. portable eddy-current sensor states check device according to claim 1, it is characterised in that the serpentine magnetic
Stent has radian.
4. portable eddy-current sensor states check device according to claim 1, it is characterised in that the serpentine magnetic
Two eddy current sensors are installed on stent.
5. portable eddy-current sensor states check device according to claim 1, it is characterised in that the sensor branch
Frame is I type probe bracket sleeves, and the position that the I types probe bracket sleeve is connected with eddy current sensor is 360 degree of rotary knots
Structure.
6. portable eddy-current sensor states check device according to claim 1, it is characterised in that the sensor branch
Erection is equipped with internal thread, and the eddy current sensor is provided with external screw thread, and the eddy current sensor is threadedly coupled with sensor stand.
7. portable eddy-current sensor states check device according to claim 1, it is characterised in that the serpentine magnetic
Stent is provided with multiple.
A kind of 8. verification of portable eddy-current sensor states check device as described in any one of claim 1-7 claim
Method, it is characterised in that the check method is as follows：Serpentine magnetic stent is fixed in equipment, sensor stand is fixed
On magnetic orbit, the other end of mobile magnetic orbit adjusts the position of sensor stand, and by the other end of magnetic orbit
It is fixed on serpentine magnetic stent；The fastening of sensor stand and eddy current sensor angle are realized by adjusting track bolt
Adjusting, make eddy current sensor in the radial direction of serpentine magnetic stent；Currents sensing is adjusted by electronic check controller
The distance between device and shaft, and voltage by being shown on electronic check controller judges the most final position of eddy current sensor
Put, make it identical with the original probe numerical value of equipment by the position to eddy current sensor and the adjustment of angle；Analyze each whirlpool
The data that flow sensor is shown on data acquisition instrument, if there is a direction eddy current sensor to show numerical value and the original spy of equipment
Head numerical value difference is larger, in the case where ensureing that the eddy current sensor is accurate, you can judge device context eddy current sensor
State.
9. portable eddy-current sensor states check method according to claim 8, it is characterised in that the equipment is axis
Bearing or foundation sole plate, the serpentine magnetic stent are affixed directly in equipment with arbitrary shape.
10. portable eddy-current sensor states check method according to claim 8, it is characterised in that described electronic inverse
Only controller Electronic control eddy current sensor radial direction movement, to adjust the radial clearance of eddy current sensor and shaft,
And once lock, eddy current sensor is no longer close to shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043181.4A CN108036811A (en) | 2018-01-17 | 2018-01-17 | A kind of portable eddy-current sensor states check device and check method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043181.4A CN108036811A (en) | 2018-01-17 | 2018-01-17 | A kind of portable eddy-current sensor states check device and check method |
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| Publication Number | Publication Date |
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| CN108036811A true CN108036811A (en) | 2018-05-15 |
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ID=62096296
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810043181.4A Pending CN108036811A (en) | 2018-01-17 | 2018-01-17 | A kind of portable eddy-current sensor states check device and check method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981893A (en) * | 2018-07-27 | 2018-12-11 | 华电电力科学研究院有限公司 | A kind of eddy current sensor dynamic static characteristic verification rack and method of calibration |
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