CN205981083U - Multi -functional detecting system based on eddy current displacement sensor - Google Patents
Multi -functional detecting system based on eddy current displacement sensor Download PDFInfo
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- CN205981083U CN205981083U CN201621048050.8U CN201621048050U CN205981083U CN 205981083 U CN205981083 U CN 205981083U CN 201621048050 U CN201621048050 U CN 201621048050U CN 205981083 U CN205981083 U CN 205981083U
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- Prior art keywords
- displacement sensor
- eddy current
- hole
- system based
- current displacement
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Abstract
The utility model discloses a multi -functional detecting system based on eddy current displacement sensor, including base, spiral micrometer head, " T " type structure, locking bolt, horizontal pole, lead screw, fixed bolster, current vortex sensor probe, extension cable, circular elastomer gasket, circular metallic gasket, spiral micrometer head and eddy current displacement sensor's position can be realized the axial and adjusted with vertical. Have under the pressure condition at the hydraulic pressure pipe, minute change can take place for the diameter, elasticity of compression body gasket to change the distance between metallic gasket and the vortex displacement sensor probe, digital signal processor and collection appearance are carried through the extension cable to the detectable signal, and late arrival computer carries out data storage. This system not only can detect hydraulic pressure pipe pressure variation, the vibration condition that still can be used to to detect the axle with detect aspect such as diaxon axiality. The utility model discloses a detecting system, the simple installation, on guaranteeing the basis of high accuracy, have the convenience, swift, dismantle characteristics such as convenient.
Description
Technical field
This utility model is related to micro- detection field, specifically a kind of multi-functional detection system based on eddy current displacement sensor
System.
Background technology
With the development of modern science and technology, the Product Precision more and more higher being produced, can provide reliable for systematically operating
Guarantee.Before can error measured directly manually, there's almost no, some detection means existing are expensive,
And testing conditions are harsh.The concrete high precision of eddy current displacement sensor, the feature of high resolution, and the limit of not examined condition
System, all can use, so being constantly subjected to the extensive utilization of people in high temperature, low temperature, liquid environment.But for its install and
Adjust and always perplex everybody problem, its position needs to be adjusted according to detection object and environment, so being accomplished by fast
Speed is accurately adjusted to optimum detection position and it needs to a series of data processing below.Existing detecting system function
Single, there is limitation, so this respect problem is to be improved.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model proposes a kind of pressure based on eddy current displacement sensor
Detecting system, this is a kind of convenience, the detecting system saved.Its feature is adjustable, in high precision, so ensures that detection
Accuracy and practicality.
The technical solution adopted in the utility model is：A kind of multifunctional examining examining system based on eddy current displacement sensor,
This system includes base, spiral micrometer head, T-shape structure, clamping screw, cross bar, leading screw, fixed support, current vortex sensor
Probe, prolongation cable, round and elastic body pad, circular metal pad, digital signal converter, Acquisition Instrument, computer；Its feature
It is：
Described base is the frame structure with two risers and a top board, and the lower outside of two risers each extends over out one section
Base plate, is equipped with a cylindrical sleeve on the base plate of riser, is machined with bush whorl hole, by clamping screw in cylindrical sleeve
The lower part of T-shape structure is fixed in cylindrical sleeve, the stage casing of two risers is machined with base elongated hole；Two risers are near top
The round tube hole that one receiving cross bar passes through is provided with the position of plate, round tube hole periphery is provided with packing ring, for by cross bar water
Flat fixed installation is in the base；It is carved with scale on described cross bar.
Described spiral micrometer head quantity is two, is separately mounted to the circle corresponding with its diameter of two T-shape structures
In post through hole, and fixed by being arranged on the clamping screw of the screw thread in the hole of T-shape structural top；The front end of spiral micrometer head
Positioned at the long in the hole of the base of base, and in this in the hole level or can move up and down.
Described T-shape structure, quantity is two, is made up of two parts, top is divided into side to be machined with cylindrical hole and top
Portion has the column of screwed hole；Bottom is divided into a hollow cylinder, and it is marked with scale, can be with longitudinally adjust height.
Described fixed support is machined with support elongated hole, and the edge of support elongated hole is carved with scale, can be with accurate adjustment current vortex
The lengthwise position of displacement sensor probe, the width of support elongated hole is slightly smaller than the straight of nut appended by electric vortex displacement sensor probe
Footpath, for installing current vortex sensor sensor head；Two fixed supports are separately positioned on cross bar by the circular hole on its top
Two ends positioned at base inboard portion；It is provided with aperture on position between support bracket fastened support elongated hole and circular hole, leading screw
Two ends are arranged on two apertures, and are provided with, in the both sides of aperture, the nut closing with leading screw matching size；Fixed support is permissible
Cross bar moves left and right, after determining good position, locking screw both sides nut, fixed support is positioned.
Current vortex sensor probe segment is made up of two nuts and threaded hollow cylinder, by threaded open circles
Post is placed at the long in the hole of support bracket fastened support, after adjustment good position, is locked from its both sides by nut.
Described round and elastic body pad is bonded at spiral micrometer head front end, and both centers of circle overlap；Described circular metal pad glues
On the lateral surface of round and elastic body pad, both centers of circle overlap.
The centrage of the centrage of described current vortex sensor probe and spiral micrometer head is on a horizontal line.
Described prolongation cable one end is connected with electric vortex displacement sensor probe, and the other end is changed with digital signal converter
Device is connected, and digital signal converter transducer is linked on Acquisition Instrument, and Acquisition Instrument is connected with computer.
Compared with prior art, this utility model has the beneficial effects that：The detecting system of this utility model design, by spiral shell
Rotation micrometer head, can accurately control the amount of feeding, and then the position of control forward metal pad and elastic body shim, can also lead to
Overregulate the height of T-shape structure, and then the height of adjustable screw micrometer head.Electric vortex displacement sensor probe passes through its periphery
The cooperation of part adjust, can accurately control its position, provide the foundation to accurate test.Current vortex sensor adopts
It is KAMAN-KD2306, is the upgrading products of KD2300, it leads DIN formula structure using rail, possess resolution and the speed of brilliance
Performance (0.1um resolution, the high response of 50kHz), can meet various actual demands.But also can select to extend cable, temperature
The change apart from D of the specific demands such as compensation, head volume coils and metallic conductor changes into the change of voltage or electric current.This practicality
The monitoring system of new design, simple installation, on the basis of guarantee is high-precision, there is the spies such as convenient, fast, convenient disassembly
Point.
Brief description
Fig. 1 is a kind of partial structural diagram of embodiment of this utility model；
Fig. 2 is a kind of overall assembling schematic diagram of embodiment of this utility model；
Fig. 3 is a kind of understructure schematic diagram of embodiment of this utility model；
Fig. 4 is a kind of T-shape structural representation of embodiment of this utility model；
Fig. 5 is a kind of fixing rack structure schematic diagram of embodiment of this utility model；
Fig. 6 is a kind of leading screw of embodiment of this utility model and electric vortex displacement sensor probe scheme of installation；
Fig. 7 is a kind of circular metal pad and the round and elastic body pad scheme of installation of embodiment of this utility model；
Fig. 8 is a kind of spiral micrometer head scheme of installation of embodiment of this utility model.
Specific embodiment
Below in conjunction with the accompanying drawings, it is embodied as being described in detail to of the present utility model.
A kind of multifunctional examining examining system (referred to as detection system based on eddy current displacement sensor of this utility model design
System, referring to Fig. 1-8), this system includes base 1, spiral micrometer head 2, T-shape structure 3, clamping screw 4, cross bar 5, leading screw 6, consolidates
Fixed rack 7, current vortex sensor probe 8, prolongation cable 9, round and elastic body pad 10, circular metal pad 11, digital signal
Transducer 12, Acquisition Instrument 13, computer 14.
Described base 1 is the frame structure with two risers and a top board, and the lower outside of two risers each extends over out one
Section base plate, is equipped with a cylindrical sleeve 1.1 on the base plate of riser, is machined with bush whorl hole 1.2 in cylindrical sleeve 1.1,
By clamping screw 4, the lower part of T-shape structure 3 is fixed in cylindrical sleeve 1.1, it is long that the stage casing of two risers is machined with base
Hole 1.3；Two risers are being provided with the round tube hole 1.4 that a receiving cross bar 5 passes through, round tube hole 1.4 on the position of top board
Periphery is provided with packing ring 1.5, for being fixedly mounted on cross bar 5 level in base 1.It is carved with scale on described cross bar 5.
It is 25mm or 15mm that described spiral micrometer head 2 adopts range, and quantity is two, is separately mounted to two T-shapes
In the cylindrical hole 3.1 corresponding with its diameter of structure 3, and by being arranged in the screwed hole 3.2 at T-shape structure 3 top
Clamping screw 4 fixing；The front end of spiral micrometer head 2 is located in the base elongated hole 1.3 of base 1, and can carry out in this in the hole
Level or move up and down.
Described T-shape structure 3 (referring to Fig. 4), quantity is two, is made up of two parts, top is divided into side to be machined with circle
Post through hole 3.1 and top have the column of screwed hole 3.2；Bottom is divided into a hollow cylinder 3.3, and it is marked with scale, permissible
Longitudinally adjust height.
Described fixed support 7 (referring to Fig. 5) is machined with support elongated hole 7.1, and the edge of support elongated hole 7.1 is carved with scale, can
With the lengthwise position of accurate adjustment electric vortex displacement sensor probe 8, the width of support elongated hole 7.1 is slightly smaller than current vortex displacement and passes
The diameter of nut 8.1 appended by sensor probe 8, for installing current vortex sensor sensor head 8.Two fixed supports 7 pass through it
The circular hole 7.2 on top is separately positioned on the two ends positioned at base 1 inboard portion of cross bar 5.The support elongated hole 7.1 of fixed support 7
Aperture 7.3 is provided with the position and circular hole 7.2 between, the two ends of leading screw 6 are arranged on two apertures 7.3, and in aperture 7.3
Both sides be provided with leading screw 6 matching size close nut 6.1.Fixed support 7 can move left and right on cross bar 5, determines
Behind position, locking screw 6 both sides nut 6.1, fixed support 7 is positioned.
Described current vortex sensor probe 8 parts are made up of two nuts 8.1 and threaded hollow cylinder 8.2, will carry
The hollow cylinder 8.2 of screw thread is placed in the support elongated hole 7.1 of fixed support 7, adjustment good position after, by nut 8.1 from its two
Side chain is tight.
Described round and elastic body pad 10 be bonded at spiral micrometer head 2 front end (with towards at base 1 inside center for front), two
The person center of circle overlaps；Described circular metal pad 11 is bonded on the lateral surface of round and elastic body pad 10, both centers of circle coincidences (referring to
Fig. 7).
The centrage of the centrage of described current vortex sensor probe 8 and spiral micrometer head 2 on a horizontal line, both
For two parallel lines of height identical.
Described prolongation cable 9 one end is connected with electric vortex displacement sensor probe 8, and the other end is turned with digital signal converter
Parallel operation 12 is connected, and digital signal converter transducer 12 is linked on Acquisition Instrument 13, and Acquisition Instrument 13 is connected with computer 14.Extend
Cable 9 is used for exporting the detectable signal of electric vortex displacement sensor probe 8, and is exported by digital signal converter transducer 12
Voltage signal or current signal (referring to Fig. 2).
Described current vortex sensor selects KAMAN-2306 eddy current displacement sensor, is the upgrading products of KD2300, it
DIN formula structure is led using rail, possesses resolution and the speed ability (0.1um resolution, the high response of 50kHz) of brilliance, can meet
Various actual demands.But also the specific demands such as prolongation cable, temperature-compensating, head volume coils and metallic conductor can be selected
Change into the change of voltage or electric current apart from the change of D.
Further, the distance between electric vortex displacement sensor probe 8 and circular metal pad 11 are by round and elastic body
The variable quantity of pad 10 is controlling, and the stiffness K of round and elastic body pad 101To be much smaller than the stiffness K of circular metal pad 112,
I.e. K1＜ ＜ K2, and the thickness h of round and elastic body pad 101It is significantly larger than the thickness h of circular metal pad 112, i.e. h1<<h2, circle
The diameter d of shape elastic body shim 101It is greater than the diameter d of circular metal pad 112, i.e. d1＜ ＜ d2.
When pressure is zero, the thickness of round and elastic body pad 10 does not change, with the increase of pressure, round and elastic
Body pad 10 is compressed, and then electric vortex displacement sensor probe 8 is increased with the distance of circular metal pad 11.Work as pressure recovery
It is zero, round and elastic body pad 10 also returns to initial condition.
Spiral micrometer head 2 can require to select according to actual experiment, when mounted, is first surveyed spiral with clamping screw 4
Micro- 2 and T-shape structure 3 fixation, will install the cylindrical sleeves being partially installed on base 1 under intact T-shape structure 3
In 1.1, adjusted after displacement according to practical situation, fixing (referring to Fig. 8) with clamping screw 4.
A kind of multifunctional examining examining system based on eddy current displacement sensor that this utility model provides, predominantly detects hydraulic pressure
The pressure change of pipe.It has been respectively mounted spiral micrometer head in the both sides of system, the amount of feeding can have been accurately controlled, and then controlled front end
Metallic gasket and the position of elastic body shim, can also be by adjusting the height of T-shape structure, and then adjustable screw micrometer head
Highly.The position of spiral micrometer head and eddy current displacement sensor can be realized axially and longitudinally adjusting, to obtain optimal inspection
Survey effect.
When installing electric vortex displacement sensor probe 8, first fixed support 7 is arranged on the leading screw matching with its size
On 6, nut 6.1 is rationally screwed on screw mandrel 6, and by electric vortex displacement sensor probe 8 be fixed on fixed support 7 support long
Hole 7.1 position, adjusts good position, is locked.Remainder, according to practical situation, voluntarily installs (referring to Fig. 6).
Round and elastic body pad 10 should have elasticity and restoring force well, so from elasticity well rubber；Circle
Shape metallic gasket 11 should be unlikely to deform, so selecting aluminium flake.Fixed support 7 selects acrylic material, it is to avoid metal is to current vortex
The measurement of displacement sensor probe 8 produces impact.
This detecting system is not limited to above content, removes the circular metal pad of spiral micrometer head front end, can survey shaking of axle
Dynamic, also can survey the axiality of two axles, if necessary to two axle docking in lab process, but an axle can not be used again, work as both sides
Axle dress when moving up, record displacement A and B on both sides respectively, we just may know that two axles peaces after contrasting A and B
On the same axis whether dress.Thus being calibrated to two axles and detecting, examine axiality.
A kind of operation principle of the multifunctional examining examining system based on eddy current displacement sensor of this utility model and process are such as
Under：After electric vortex displacement sensor probe and spiral micrometer head are installed, the actual size according to object being measured and position, to enter
Row is adjusted, it is ensured that testee is connect with the circular metal pad of spiral micrometer head front end all the time till reaching optimum position
Touch, with the increase of pressure, elastomer can be compressed, electric vortex displacement sensor probe is occurred with the distance of circular metal pad
Change, and then probe portion branch produces detectable signal, extends cable and signal is transported to digital signal processor, be converted into voltage
Or current signal, is sent to connection Acquisition Instrument and computer, carries out data preservation.The adjustability of the system is high, stability is high,
Can be very good to ensure accuracy it is possible to carry out other detections.
Using technical scheme described in the utility model, or those skilled in the art is in technical solutions of the utility model
Under inspiration, design similar technical scheme, and reach above-mentioned technique effect, all fall into protection model of the present utility model
Enclose.
This utility model is not addressed part and is applied to prior art.
Claims (10)
1. a kind of multifunctional examining examining system based on eddy current displacement sensor, this system includes base, spiral micrometer head, " T "
Type structure, clamping screw, cross bar, leading screw, fixed support, current vortex sensor probe, extend cable, round and elastic body pad,
Circular metal pad, digital signal converter, Acquisition Instrument, computer；It is characterized in that：
Described base is the frame structure with two risers and a top board, and the lower outside of two risers each extends over out one section of bottom
Plate, is equipped with a cylindrical sleeve on the base plate of riser, is machined with bush whorl hole in cylindrical sleeve, will by clamping screw
The lower part of T-shape structure is fixed in cylindrical sleeve, and the stage casing of two risers is machined with base elongated hole；Two risers are near top board
Position on be provided with the round tube hole that a receiving cross bar passes through, round tube hole periphery is provided with packing ring, for by cross bar level
Fixed installation is in the base；It is carved with scale on described cross bar；
Described spiral micrometer head quantity is two, and the cylinder corresponding with its diameter being separately mounted to two T-shape structures leads to
Kong Zhong, and fixed by being arranged on the clamping screw of the screw thread in the hole of T-shape structural top；The front end of spiral micrometer head is located at
The long in the hole of base of base, and in this in the hole level or can move up and down；
Described T-shape structure, quantity is two, is made up of two parts, and top is divided into that side is machined with cylindrical hole and top is opened
There is the column of screwed hole；Bottom is divided into a hollow cylinder, and it is marked with scale, can be with longitudinally adjust height；
Described fixed support is machined with support elongated hole, and the edge of support elongated hole is carved with scale, can be with accurate adjustment current vortex displacement
The lengthwise position of sensor probe, the width of support elongated hole is slightly smaller than the diameter of nut appended by electric vortex displacement sensor probe,
For installing current vortex sensor sensor head；Two fixed supports are separately positioned on being located at of cross bar by the circular hole on its top
The two ends of base inboard portion；Aperture, the two ends of leading screw are provided with the position between support bracket fastened support elongated hole and circular hole
It is arranged on two apertures, and in the both sides of aperture, the nut being closed with leading screw matching size is installed；Fixed support can be in horizontal stroke
Move left and right on bar, after determining good position, locking screw both sides nut, fixed support is positioned；
Current vortex sensor probe segment is made up of two nuts and threaded hollow cylinder, and threaded hollow cylinder is put
In in the long in the hole of support bracket fastened support, after adjusting good position, locked from its both sides by nut；
Described round and elastic body pad is bonded at spiral micrometer head front end, and both centers of circle overlap；Described circular metal pad is bonded at circle
On the lateral surface of shape elastic body shim, both centers of circle overlap；
The centrage of the centrage of described current vortex sensor probe and spiral micrometer head is on a horizontal line；
Described prolongation cable one end is connected with electric vortex displacement sensor probe, the other end and digital signal converter transducer phase
Even, digital signal converter transducer is linked on Acquisition Instrument, and Acquisition Instrument is connected with computer.
2. a kind of multifunctional examining examining system based on eddy current displacement sensor according to claim 1 it is characterised in that：
The range that described spiral micrometer head adopts is 25mm or 15mm.
3. a kind of multifunctional examining examining system based on eddy current displacement sensor according to claim 1 it is characterised in that：
Described current vortex sensor selects KAMAN-2306 eddy current displacement sensor.
4. a kind of multifunctional examining examining system based on eddy current displacement sensor according to claim 1 it is characterised in that：
The rigidity of round and elastic body pad is less than the rigidity of circular metal pad, and the thickness of round and elastic body pad is greater than circular gold
Belong to the thickness of pad, the diameter of round and elastic body pad is greater than the diameter of circular metal pad.
5. a kind of multifunctional examining examining system based on eddy current displacement sensor according to claim 1 it is characterised in that：
The material of described round and elastic body pad is rubber.
6. a kind of multifunctional examining examining system based on eddy current displacement sensor according to claim 1 it is characterised in that：
Aluminium flake selected by described circular metal pad.
7. a kind of multifunctional examining examining system based on eddy current displacement sensor according to claim 1 it is characterised in that：
Described fixed support selects acrylic material.
8. a kind of multifunctional examining examining system based on eddy current displacement sensor according to any one of claim 1-7, its
It is characterised by：This detecting system is used for detecting the pressure change of hydraulic tube.
9. a kind of multifunctional examining examining system based on eddy current displacement sensor according to any one of claim 1-7, its
It is characterised by：This detecting system is used for surveying the vibration of axle.
10. a kind of multifunctional examining examining system based on eddy current displacement sensor according to any one of claim 1-7, its
It is characterised by：This detecting system is used for surveying the axiality of two axles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621048050.8U CN205981083U (en) | 2016-09-09 | 2016-09-09 | Multi -functional detecting system based on eddy current displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621048050.8U CN205981083U (en) | 2016-09-09 | 2016-09-09 | Multi -functional detecting system based on eddy current displacement sensor |
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| Publication Number | Publication Date |
|---|---|
| CN205981083U true CN205981083U (en) | 2017-02-22 |
Family
ID=58040093
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621048050.8U Withdrawn - After Issue CN205981083U (en) | 2016-09-09 | 2016-09-09 | Multi -functional detecting system based on eddy current displacement sensor |
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| CN (1) | CN205981083U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123764A (en) * | 2016-09-09 | 2016-11-16 | 河北工业大学 | A kind of multifunctional examining examining system based on eddy current displacement sensor |
| CN107167840A (en) * | 2017-06-14 | 2017-09-15 | 四川大学 | A kind of microseismic sensors of recyclable reuse |
| CN109630826A (en) * | 2019-01-31 | 2019-04-16 | 河北工业大学 | A kind of sensor support frame of adjustable position |
| CN113109164A (en) * | 2020-09-22 | 2021-07-13 | 东北大学 | Experimental device and method for high-temperature high-pressure large-deformation seepage coupling test of soft rock |
-
2016
- 2016-09-09 CN CN201621048050.8U patent/CN205981083U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123764A (en) * | 2016-09-09 | 2016-11-16 | 河北工业大学 | A kind of multifunctional examining examining system based on eddy current displacement sensor |
| CN106123764B (en) * | 2016-09-09 | 2018-12-28 | 河北工业大学 | A kind of multifunctional examining examining system based on eddy current displacement sensor |
| CN107167840A (en) * | 2017-06-14 | 2017-09-15 | 四川大学 | A kind of microseismic sensors of recyclable reuse |
| CN107167840B (en) * | 2017-06-14 | 2023-09-19 | 四川大学 | Recyclable and reusable microseismic sensor |
| CN109630826A (en) * | 2019-01-31 | 2019-04-16 | 河北工业大学 | A kind of sensor support frame of adjustable position |
| CN109630826B (en) * | 2019-01-31 | 2023-08-18 | 河北工业大学 | Sensor support frame capable of adjusting position |
| CN113109164A (en) * | 2020-09-22 | 2021-07-13 | 东北大学 | Experimental device and method for high-temperature high-pressure large-deformation seepage coupling test of soft rock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20181228 |
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| AV01 | Patent right actively abandoned |