CN205482773U - Full -automatic eddy current displacement sensor static characteristic test system - Google Patents

Full -automatic eddy current displacement sensor static characteristic test system Download PDF

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Publication number
CN205482773U
CN205482773U CN201620261824.9U CN201620261824U CN205482773U CN 205482773 U CN205482773 U CN 205482773U CN 201620261824 U CN201620261824 U CN 201620261824U CN 205482773 U CN205482773 U CN 205482773U
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China
Prior art keywords
eddy current
base
grating
current displacement
board
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CN201620261824.9U
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Chinese (zh)
Inventor
彭志华
徐春生
谢雄健
何迪
李益国
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GUANGZHOU JINGXIN ELECTRON & INSTRUMENT Co Ltd
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GUANGZHOU JINGXIN ELECTRON & INSTRUMENT Co Ltd
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Priority to CN201620261824.9U priority Critical patent/CN205482773U/en
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Abstract

The utility model relates to a full -automatic eddy current displacement sensor static characteristic test system, including the base, eddy current displacement sensor awaits measuring, be equipped with the anchor clamps that are parallel to each other on the base and link movable support, even be fixed with the test piece dish on the movable support, be equipped with control mechanism in the base, control mechanism includes circuit board, switching power supply, machine controller, step motor, drive shaft, linear guide, linkage piece, grating chi and grating connecting block, circuit board, switching power supply, machine controller, step motor, drive shaft, linear guide, linkage piece, grating chi and grating connecting block all set up on the base, the through -hole has still been seted up on the base, anchor clamps are located the one end of through -hole, and anchor clamps are used for the fixed eddy current displacement sensor that awaits measuring. The utility model discloses simple structure, easily operation, but check -up eddy current displacement sensor 's accurate nature.

Description

Full-automatic eddy current displacement transducer static characteristic test system
Technical field
This utility model relates to sensor detecting field, particularly relates to full-automatic eddy current position Displacement sensor static characteristic test system.
Background technology
Eddy current displacement sensor system with the advantage of its uniqueness, be widely used in electric power, oil, The industry such as chemical industry, metallurgy, to steam turbine, the hydraulic turbine, electromotor, aerator, compressor, The radial vibration of the axle of the large rotating machineries such as gear-box, axial displacement, phase discriminator, axle rotating speed, Swollen difference, bias, oil film thickness etc. carry out on-line measurement and safeguard protection, and rotor dynamics The aspects such as research and accessory size inspection.
Eddy current displacement sensor needs to carry out static test in manufacturing firm, and sensor is the most not Use reaches more than 1 year, or continuously work more than 2 years, and measured body material and factory calibration When material does not corresponds, need to recalibrate.
Conventional static characteristic test and static calibration demarcation instrument and equipment have standard gauge block, thousand Divide table or dial gauge, displacement static correcting machine, digital voltmeter, oscillograph, D.C. regulated power supply. These instrument and equipments are suitable for using at laboratory environment, and at working sensor onsite application not Just.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of structure letter Single, it is convenient for carrying and the test of easily operated full-automatic eddy current displacement transducer static characteristic is System.
For achieving the above object, this utility model adopts the following technical scheme that
Full-automatic eddy current displacement transducer static characteristic test system, including base, electricity to be measured Eddy displacement sensor, described base is provided with the fixture being parallel to each other and interlocks support, interlocking Test specimen dish it is fixed with on support;Being provided with controlling organization in base, described controlling organization includes circuit Plate, Switching Power Supply, electric machine controller, motor, drive shaft, line slideway, linkage block, Grating scale and grating contiguous block, described circuit board, Switching Power Supply, electric machine controller, stepping electricity Machine, drive shaft, line slideway, linkage block, grating scale and grating contiguous block are arranged at base On, Switching Power Supply is that circuit board, electric machine controller, motor and grating scale are powered, light Grid chi be arranged in parallel with line slideway, and electric machine controller and grating scale all electrically connect with circuit board Connecing, electric machine controller is for controlling the duty of motor, one end of drive shaft and stepping Motor connects, and the other end of drive shaft is connected with linkage block, one end of grating contiguous block and linkage The side of block is fixed, the other end of grating contiguous block and grating scale slidable connection, linkage block Opposite side is provided with a banking stop being fixed on base, and described motor is used for passing through drive shaft Control linkage block to move on line slideway, and drive grating contiguous block to move along grating scale;The end Being further opened with through hole on Zuo, one end of described gearing support is through described through hole and is fixed on linkage On block, this through hole is corresponding with line slideway position, and the length of the length of through hole and line slideway Coupling;Fixture is positioned at one end of through hole, and fixture is used for fixing eddy current displacement sensor to be measured; Base is provided with adapter and USB interface, and eddy current displacement sensor to be measured passes through adapter Being connected with circuit board, described circuit board is connected with exterior terminal by USB interface.
Preferably, described circuit board includes control module, data acquisition module and relative analysis Module, described control module is electrical connected with electric machine controller and grating scale, described data acquisition Collection module is electrical connected with eddy current displacement sensor to be measured, and described relative analysis module is for right Than analyzing data and the data of data acquisition module acquisition that control module obtains, with control The duty of module.
Preferably, described base includes top board, base plate and several support bars, the one of support bar End is fixed on base plate, and the other end is fixed with top board, is formed and accommodate chamber between top board and base plate, Described controlling organization is positioned at this receiving intracavity and is fixed on the back side of top board, and described through hole is positioned at top Plate.
Preferably, described top board is additionally provided with a display module, described display module and circuit board It is electrical connected.
Preferably, during described adapter is DB15 adapter and J599 aerospace connectors Kind.
The beneficial effects of the utility model are as follows:
Simple in construction of the present utility model, is convenient for carrying and easily operated.Wherein motor leads to Crossing linkage block drives gearing support to move, and uses grating scale detection moving displacement to change into position Move the signal of telecommunication, by itself and eddy current displacement sensor to be measured after this displacement signal of telecommunication of board receiver The displacement signal of telecommunication of the test specimen dish detected is analyzed, thus verifies current vortex displacement and pass The accuracy of sensor.
Accompanying drawing explanation
Fig. 1 is that this utility model full-automatic eddy current displacement transducer static characteristic tests system Structure chart.
Fig. 2 is that this utility model full-automatic eddy current displacement transducer static characteristic tests system The structure chart of controlling organization.
Fig. 3 is that this utility model full-automatic eddy current displacement transducer static characteristic tests system Circuit module figure.
Reference: 1, base;11, top board;12, base plate;13, support bar;14、 Fan board;15, fan;2, fixture;3, support is interlocked;4, test specimen dish;5, machine is controlled Structure;50, circuit board;51, Switching Power Supply;52, electric machine controller;53, motor; 54, drive shaft;55, line slideway;56, linkage block;57, grating scale;58, grating is even Connect block;59, banking stop;6, through hole;7, adapter;8, USB interface;9, display Screen.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, this utility model is done and retouches further State:
Referring to Fig. 1 and Fig. 2, this utility model relates to a kind of full-automatic eddy current displacement sensing Device static characteristic test system, its better embodiment includes base 1, current vortex displacement to be measured Sensor.It is the best for the static characteristic detecting eddy current displacement sensor to be measured, surveys Away from the most accurate.
Base 1 is provided with the fixture 2 being parallel to each other and interlocks support 3, interlocks on support 3 solid Surely there is test specimen dish 4;Being provided with controlling organization 5 in base 1, described controlling organization 5 includes circuit Plate 50, Switching Power Supply 51, electric machine controller 52, motor 53, drive shaft 54, straight Line guide rail 55, linkage block 56, grating scale 57 and grating contiguous block 58, described circuit board 50, Switching Power Supply 51, electric machine controller 52, motor 53, drive shaft 54, line slideway 55, linkage block 56, grating scale 57 and grating contiguous block 58 are arranged on base 1, open Closing power supply 51 is circuit board 50, electric machine controller 52, motor 53 and grating scale 57 Power supply, grating scale 57 be arranged in parallel with line slideway 55, electric machine controller 52 and grating scale 57 are all electrically connected with circuit board 50, and electric machine controller 52 is for controlling motor 53 Duty, one end of drive shaft 54 is connected with motor 53, another of drive shaft 54 End is connected with linkage block 56, and the side of one end of grating contiguous block 58 and linkage block 56 is fixed, The other end of grating contiguous block 58 and grating scale 57 slidable connection, another of linkage block 56 Side is provided with a banking stop 59 being fixed on base 1.
Described motor 53 is for controlling linkage block 56 at line slideway by drive shaft 54 Move on 55, and drive grating contiguous block 58 to move along grating scale 57, base 1 is also opened Being provided with through hole 6, one end of described gearing support 3 is through described through hole 6 and is fixed on linkage block On 56, this through hole 6 is corresponding with line slideway 55 position, and the length of through hole 6 is led with straight line The length coupling of rail 55;Fixture 2 is positioned at one end of through hole 6, and fixture 2 is used for fixing to be measured Eddy current displacement sensor;Base 1 is provided with adapter 7 and USB interface 8, electricity to be measured Eddy displacement sensor is connected with circuit board 50 by adapter 7, and described circuit board 50 passes through USB interface 8 is connected with exterior terminal.
Exterior terminal herein can be computer, it is also possible to be notebook, panel computer, hands The smart machines such as machine.By USB interface 8, computer can be made to sense with current vortex displacement The state that information is mutual is formed between device static characteristic test system.Adapter can be DB15 One in adapter and J599 aerospace connectors.
Certainly, as preferably, base 1 can include top board 11, base plate 12 and several Support bar 13, one end of support bar 13 is fixed on base plate 12, and the other end is solid with top board 11 Fixed, formed between top board 11 and base plate 12 and accommodate chamber, described controlling organization 5 is positioned at this receiving Intracavity and be fixed on the back side of top board 11, described through hole 6 is positioned on top board.
Support bar 13 is preferably fixed to the position of base plate 12 periphery, is uniformly set by support bar 13 Put at base plate 12 periphery.Actually circuit board 50, Switching Power Supply 51, electric machine controller 52, Motor 53, drive shaft 54, line slideway 55, linkage block 56, grating scale 57 and light Grid contiguous block 58 is each attached to the back side of top board 11.
It is additionally provided with a display module 9, described display module 9 phase electrical with circuit board on another top board Even.This display module can be touch screen, it is simple to people carry out operating and reading data.Make For preferably, the side of base 1 is additionally provided with a fan board 14, and this fan board 14 is fixed with One for the fan 15 lowered the temperature, and fan 15 is electrical connected with circuit board 51.
Needing exist for explanation, motor 53 controls linkage block 56 at line slideway 55 During upper motion, also drive gearing support 3 to do corresponding sports, i.e. drive test specimen dish 4 to produce accordingly Distance.Now, eddy current displacement sensor to be measured i.e. can detect that the distance of this test specimen dish 4 Data, circuit board 50 gathers this range data and is converted into a distance signal of telecommunication.It addition, light Grid chi 57 also detects that the displacement data of linkage block 56 simultaneously, the displacement number of this linkage block 56 According to being equal to the displacement data of test specimen dish, circuit board 50 collects the displacement that grating scale detects It is converted into the displacement signal of telecommunication after data, and distance signal and the displacement signal of telecommunication are carried out score Analysis, if inconsistent and outside certain range of error between two kinds of different electrical signals, then shows There is error in the static characteristic of eddy current displacement sensor, needs to be adjusted correction, if two Kind different signals of telecommunication is identical or in certain range of error, then show that current vortex displacement passes The static characteristic of sensor is good.
As it is shown on figure 3, as preferably, described circuit board can include control module, data Acquisition module and relative analysis module.
Control module is electrical connected with electric machine controller and grating scale, and control module can control The duty of electric machine controller, when opening Switching Power Supply and testing, electric machine controller Work is so that motor works thus drives drive shaft to work, and now drive shaft drives linkage block Sliding on line slideway, grating contiguous block also produces displacement, now grating scale relative to grating scale For recording this displacement data and sending control module to, and be converted to one by control module Move the signal of telecommunication.
Data acquisition module is electrical connected with eddy current displacement sensor to be measured, i.e. data acquisition module Block is electrical connected by adapter with eddy current displacement sensor to be measured.Current vortex displacement to be measured passes The displacement data of the test specimen dish detected is transferred to data acquisition module by sensor, and passes through data Acquisition module is converted to a displacement signal of telecommunication.
Described relative analysis module is used for data and the data acquisition that relative analysis control module obtains The data that collection module obtains, to control the duty of control module.Relative analysis module is passed through After analyzing each data, while output result, feed back to control module one signal, so that electric Machine controller quits work, and i.e. makes motor quit work, to complete test.
For a person skilled in the art, can technical scheme as described above and structure Think, make other various corresponding changes and deformation, and all these changes and deformation Within all should belonging to this utility model scope of the claims.

Claims (5)

1. a full-automatic eddy current displacement transducer static characteristic test system, it is characterised in that Including base, eddy current displacement sensor to be measured, described base is provided with and is parallel to each other Fixture and gearing support, interlock and be fixed with test specimen dish on support;Control machine it is provided with in base Structure, described controlling organization includes circuit board, Switching Power Supply, electric machine controller, stepping electricity Machine, drive shaft, line slideway, linkage block, grating scale and grating contiguous block, described electricity Road plate, Switching Power Supply, electric machine controller, motor, drive shaft, line slideway, Linkage block, grating scale and grating contiguous block are arranged on base, and Switching Power Supply is circuit Plate, electric machine controller, motor and grating scale are powered, grating scale and line slideway Be arrangeding in parallel, electric machine controller and grating scale are all electrically connected with circuit board, and motor controls Device is for controlling the duty of motor, and one end of drive shaft is connected with motor, The other end of drive shaft is connected with linkage block, one end of grating contiguous block and the one of linkage block Side is fixed, the other end of grating contiguous block and grating scale slidable connection, linkage block another Side is provided with a banking stop being fixed on base, and described motor is for by driving Axle controls linkage block and moves on line slideway, and drives grating contiguous block to move along grating scale Dynamic;Being further opened with through hole on base, one end of described gearing support is through described through hole also Being fixed in linkage block, this through hole is corresponding with line slideway position, and the length of through hole with The length coupling of line slideway;Fixture is positioned at one end of through hole, and fixture is used for fixing to be measured Eddy current displacement sensor;Base is provided with adapter and USB interface, current vortex to be measured Displacement transducer is connected with circuit board by adapter, and described circuit board passes through USB interface It is connected with exterior terminal.
2. full-automatic eddy current displacement transducer static characteristic test as claimed in claim 1 is System, it is characterised in that: described circuit board include control module, data acquisition module and Relative analysis module, described control module is electrical connected with electric machine controller and grating scale, Described data acquisition module is electrical connected with eddy current displacement sensor to be measured, described contrast Analyze data and data acquisition module acquisition that module obtains for relative analysis control module Data, to control the duty of control module.
3. full-automatic eddy current displacement transducer static characteristic test as claimed in claim 1 is System, it is characterised in that: described base includes top board, base plate and several support bars, One end of stay is fixed on base plate, and the other end is fixed with top board, between top board and base plate Being formed and accommodate chamber, described controlling organization is positioned at this receiving intracavity and is fixed on the back side of top board, Described through hole is positioned at top board.
4. full-automatic eddy current displacement transducer static characteristic test as claimed in claim 3 is System, it is characterised in that: it is additionally provided with a display module, described display module on described top board It is electrical connected with circuit board.
5. full-automatic eddy current displacement transducer static characteristic test as claimed in claim 1 is System, it is characterised in that: described adapter is DB15 adapter and J599 aerospace connectors In one.
CN201620261824.9U 2016-03-30 2016-03-30 Full -automatic eddy current displacement sensor static characteristic test system Active CN205482773U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620261824.9U CN205482773U (en) 2016-03-30 2016-03-30 Full -automatic eddy current displacement sensor static characteristic test system

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107621220A (en) * 2017-08-03 2018-01-23 大连理工大学 A kind of space geometry scaling method of eddy current displacement sensor display
CN107883910A (en) * 2017-11-09 2018-04-06 中国航发湖南动力机械研究所 Portable gap sensor checkout and diagnosis instrument

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107621220A (en) * 2017-08-03 2018-01-23 大连理工大学 A kind of space geometry scaling method of eddy current displacement sensor display
CN107621220B (en) * 2017-08-03 2019-05-14 大连理工大学 A kind of space geometry scaling method of eddy current displacement sensor array
CN107883910A (en) * 2017-11-09 2018-04-06 中国航发湖南动力机械研究所 Portable gap sensor checkout and diagnosis instrument

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