CN203981107U - A kind of new strain analyzer - Google Patents
A kind of new strain analyzer Download PDFInfo
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- CN203981107U CN203981107U CN201420478448.XU CN201420478448U CN203981107U CN 203981107 U CN203981107 U CN 203981107U CN 201420478448 U CN201420478448 U CN 201420478448U CN 203981107 U CN203981107 U CN 203981107U
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- analyzer
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a kind of new strain analyzer, comprises that binding post, wire, strain-ga(u)ge transducer, magnetostriction materials, objective table, switch key, image enlargement key, image dwindle key, casing, FPDP, control panel, direction displacement key, reset key, manual measurement key, automatically measure key, zeroing knob, switch, liquid crystal display, power interface, bridge diagram, Voltage stabilizing module, single-chip microcomputer, amplifier, filtration module, A/D module and power module.The utility model is to change based on integral body band the principle that method and nonequilibrium bridge method combine, adopt nondestructive measurement mode, realization in real time, continuously, is accurately measured material deformation, measuring process that result has shown new simplification, improved the accuracy of measurement result, have in real time, continuously, precision is high, working stability, nondestructive measurement, little, the portative advantage of volume.Can not only make people's benefit from imparting knowledge to students, also can promote faint strain effect in high-tech sector widespread uses such as detection technique, industrial sensor technology, energy and information conversion function material, transducer technology, marine survey technology, micrometric displacement actuating, intelligent wing, robots.
Description
Technical field
The utility model relates to surveying instrument, and particularly a kind of new strain analyzer, belongs to instrument manufacturing field.
Background technology
Magnetostriction materials are important energy and information conversion function materials, the research of this analyzer to material property, the potential use value that can excavate out to a certain extent material.
Along with increasing of determining instrument on market, by ginseng, grind pertinent instruments on a large amount of domestic and foreign literature data and market, find that most of instruments exist bulky, expensive, the problem that Measuring Time is longer.At this, select two kinds of typical measuring instruments for example.
TRS-2 magnetostriction testing meter equipment is used for measuring the mechanically deform (magnetostriction) that monolithic electromagnetic steel plate (silicon steel plate) produces in ac magnetization process direction of magnetization, is applicable to research and development and the detection of electromagnetic steel plate.Adopt laser testing principle, can under the waveform conditions such as sine wave, triangular wave, square wave, test, but its volume is large, be inconvenient to portably use, expensive, even hundreds of thousands up to ten thousand easily, maintenance cost is also higher, and general preferential shop seldom buys, and is relatively difficult to be promoted.
BKT-3 film magnetostrictive measuring instrument has a wide range of applications in fields such as MEMS (micro electro mechanical system) (MEMS), underwater sonars, because the absolute value of the magnetostriction coefficient λ of magnetostrictive thin film is very little, therefore to the magnetostriction coefficient λ of membraneous material, carry out directly measuring very difficult.BKT-3 film magnetostrictive measuring instrument adopts the method that laser optical lever amplifies to measure micro-amount of deflection of magnetostrictive thin film semi-girder, thereby realizes the test of magnetostriction coefficient λ.The precision that optical lever method is measured is because the limitation of material and mode is difficult to reach very high precision.Be easy to find out, its volume is larger, and weight is large, should not move, and is inconvenient to carry, and for widespread use, has brought larger restriction.
In order to have overcome tradition with quasi-instrument calculation of complex, the defect that bulky, expensive and reading error is large, use for reference successful story, carry out great many of experiments, make the best, the most rational experimental design scheme, then design a kind of new strain analyzer, be mainly used in measuring micron dimension with deformation that interior material was occurred.
Summary of the invention
The purpose of this utility model is to provide a kind of new strain analyzer.
The utility model solves the technical scheme that its technical matters adopts: a kind of new strain analyzer, comprise binding post, wire, strain-ga(u)ge transducer, magnetostriction materials, objective table, switch key, image enlargement key, image dwindles key, casing, FPDP, control panel, direction displacement key, reset key, manual measurement key, automatically measure key, zeroing knob, switch, liquid crystal display, power interface, bridge diagram, Voltage stabilizing module, single-chip microcomputer, amplifier, filtration module, A/D module and power module, it is characterized in that: on the top of strain gage casing, have binding post and objective table, strain-ga(u)ge transducer is wired on binding post, during use, strain-ga(u)ge transducer can be attached on magnetostriction materials, on strain gage casing control panel just above, there are switch key, image enlargement key, image to dwindle key, direction displacement key, reset key, manual measurement key, automatically measure key, zeroing knob, switch and liquid crystal display, a side at casing has FPDP and power interface, power module provides voltage through Voltage stabilizing module for bridge diagram, simultaneously for single-chip microcomputer and A/D module provide voltage, the deformation quantity that magnetostriction materials occur strain-ga(u)ge transducer converts resistance variations to, by amplifier, the variation of voltage on brachium pontis is amplified again, then by filtration module filtering, then by A/D module, signal is passed to single-chip microcomputer again, finally by single-chip microcomputer, the signal after processing is passed to liquid crystal display and show, single-chip microcomputer is also connected with control panel, and the button on control panel and knob can send signal to single-chip microcomputer, the result that showing on liquid crystal display wanted.
Switch key, image enlargement key, image dwindle key, direction displacement key, reset key, manual measurement key, automatically measure key, zeroing knob, switch and liquid crystal display is positioned on strain gage casing control panel just above; Binding post and objective table are positioned at top; Strain-ga(u)ge transducer is wired on binding post; During use, strain-ga(u)ge transducer must be attached on magnetostriction materials; FPDP and power interface are positioned at a side of strain gage casing; Power module is connected with power interface.
The beneficial effects of the utility model are the mensuration of this analyzer to the physics characteristic of magnetostriction materials, can widen its application, for longitudinal research from now on lays the foundation; Solve on traditional experiment chamber and market that magnetostriction testing meter device is that large-scale professional equipment volume is large, reading error is large, complicated operation, the problem such as expensive, can in laboratory, do further popularization; Solve the certain applications difficult problem of ultraweak signal in laboratory and commercial measurement; For further realizing the research of a whole set of magnetostriction materials physics characteristic, laid certain basis; The electron device that this analyzer development is used is cheap, makes simply, is produced on a large scale, and is easy to promote on market, has good market outlook.
Accompanying drawing explanation
Fig. 1 is a kind of overall appearance schematic diagram of new strain analyzer.
Fig. 2 is a kind of inner structure connection diagram of novel online strain gage.
Embodiment
Below in conjunction with accompanying drawing, concrete structure of the present utility model is described further.
In Fig. 1,2,1-binding post, 2-wire, 3-strain-ga(u)ge transducer, 4-magnetostriction materials, 5-objective table, 6-switch key, 7-image enlargement key, 8-image dwindles key, 9-casing, 10-FPDP, 11-control panel, 12-direction displacement key, 13-reset key, 14-manual measurement key, 15-measures key automatically, the 16-knob that returns to zero, 17-switch, 18-liquid crystal display, 19-power interface, 20-bridge diagram, 21-Voltage stabilizing module, 22-single-chip microcomputer, 23-amplifier, 24-filtration module, 25-A/D module, 26-power module.
Binding post 1 with by side magnetostriction materials 4, by wire 2, be connected, magnetostriction materials 4 post strain-ga(u)ge transducer 3 above, and are placed on objective table 5.The control panel 11 of casing 9 is provided with switch key 6, image enlargement key 7, image and dwindles key 8, direction displacement key 12, reset key 13, manual measurement key 14, automatically measures key 15, zeroing knob 16 and switch 17.During measurement, should be noted that the form that laying state and the strain-ga(u)ge transducer 3 of magnetostriction materials 4 in magnetic field pastes on magnetostriction materials 4.FPDP 10 can be connected with computing machine, can set some new functions according to later growth requirement.
Power module 26 provides voltage through Voltage stabilizing modules 21 for bridge diagram 20, for bridge diagram 20 provides electric energy, simultaneously for single-chip microcomputer 22 and A/D module 25 provide voltage, guarantees that single-chip microcomputer 22 and A/D module 25 normally work; The deformation quantity that magnetostriction materials 4 occur strain-ga(u)ge transducer 3 converts resistance variations to, cause the electric current in bridge diagram 20 that variation has occurred, there is variation in the voltage on bridge diagram 20 bridges simultaneously, by amplifier 23, the variation of voltage on brachium pontis is amplified, then by filtration module 24 filtering, then by A/D module 25, signal is passed to single-chip microcomputer 22 again, finally by single-chip microcomputer 22, the signal after processing is passed to liquid crystal display 18 and show; Single-chip microcomputer 22 is also connected with control panel 11, and the button on control panel 11 and knob send signal, the result that the demonstration on liquid crystal display 18 is wanted can to single-chip microcomputer 22.
When measuring, first magnetostriction materials 4 are connected on binding post 1 by wire 2, and are placed in magnetic field.At power interface 19, connect with the mains, make analyzer energising, open instrument switch 17.Press zeroing knob 16 and eliminate magnetic field because of the magnetic field that remanent magnetism produces, make measurement result more accurate.During measurement, must press reset key 13, guarantee to start to measure from first data.Now, the magnetostriction materials 4 that are placed in magnetic field start, in magnetic field, length variations occurs.
As required, press automatic measurement key 15 or manual measurement key 14.Manual measurement key 14, after pressing, can obtain measurement data by manual form, and the amplitude of regulating and controlling, larger for beginner's use voluntarily, can promote in laboratory; Automatically measuring key 15 is after pressing, variation along with external magnetic field or pressure, strain-ga(u)ge transducer 3 can be passed to single-chip microcomputer 22 through bridge diagram 20, amplifier 23, filtration module 24 and A/D module 25 the dependent variable information of magnetostriction materials 4, single-chip microcomputer 22 will uniformly-spaced preserved data in the time, also information can be shown on liquid crystal display 18.
Measure completely, by switch key 6, fitted figure picture or data can show on liquid crystal display 18, and the data image that analyzer there will be data to draw out demonstrates the magnetostriction coefficient of magnetostriction materials under different magnetic field size.Switch key 6 can be used for switching the current interface of number and figure, and image enlargement key 7, image dwindle the size that key 8 can be used for regulating shown image, and direction displacement key 12 can be for the movement of data or image.
The utility model is to change based on integral body band the principle that method and nonequilibrium bridge method combine, adopt nondestructive measurement mode, realization in real time, continuously, is accurately measured material deformation, measuring process that result has shown new simplification, improved the accuracy of measurement result, have in real time, continuously, precision is high, working stability, nondestructive measurement, little, the portative advantage of volume.Can not only make people's benefit from imparting knowledge to students, also can promote faint strain effect in high-tech sector widespread uses such as detection technique, industrial sensor technology, energy and information conversion function material, transducer technology, marine survey technology, micrometric displacement actuating, intelligent wing, robots.
Claims (7)
1. a new strain analyzer, is characterized in that: on the top of strain gage casing, have binding post and objective table, strain-ga(u)ge transducer is wired on binding post, and during use, strain-ga(u)ge transducer can be attached on magnetostriction materials; On strain gage casing control panel just above, there are switch key, image enlargement key, image to dwindle key, direction displacement key, reset key, manual measurement key, automatically measure key, zeroing knob, switch and liquid crystal display; A side at casing has FPDP and power interface; Power module provides voltage through Voltage stabilizing module for bridge diagram, simultaneously for single-chip microcomputer and A/D module provide voltage; The deformation quantity that magnetostriction materials occur strain-ga(u)ge transducer converts resistance variations to, by amplifier, the variation of voltage on brachium pontis is amplified again, then by filtration module filtering, then by A/D module, signal is passed to single-chip microcomputer again, finally by single-chip microcomputer, the signal after processing is passed to liquid crystal display and show; Single-chip microcomputer is also connected with control panel, and the button on control panel and knob can send signal to single-chip microcomputer, the result that showing on liquid crystal display wanted.
2. according to claim 1, require described a kind of new strain analyzer, it is characterized in that: switch key, image enlargement key, image dwindle key, direction displacement key, reset key, manual measurement key, automatically measure key, zeroing knob, switch and LCD panel is positioned on strain gage casing control panel just above.
3. according to claim 1, require described a kind of new strain analyzer, it is characterized in that: binding post and objective table are positioned at top.
4. according to claim 1, require described a kind of new strain analyzer, it is characterized in that: strain-ga(u)ge transducer is wired on binding post.
5. according to claim 1, require described a kind of new strain analyzer, it is characterized in that: during use, strain-ga(u)ge transducer must be attached on magnetostriction materials.
6. according to claim 1, require described a kind of new strain analyzer, it is characterized in that: FPDP and power interface are positioned at a side of strain gage casing.
7. according to claim 1, require described a kind of new strain analyzer, it is characterized in that: power module is connected with power interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478448.XU CN203981107U (en) | 2014-08-24 | 2014-08-24 | A kind of new strain analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478448.XU CN203981107U (en) | 2014-08-24 | 2014-08-24 | A kind of new strain analyzer |
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| Publication Number | Publication Date |
|---|---|
| CN203981107U true CN203981107U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420478448.XU Expired - Fee Related CN203981107U (en) | 2014-08-24 | 2014-08-24 | A kind of new strain analyzer |
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| CN (1) | CN203981107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297147A (en) * | 2023-05-15 | 2023-06-23 | 深圳大学 | Rubber aging test device and test method based on different environments |
-
2014
- 2014-08-24 CN CN201420478448.XU patent/CN203981107U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297147A (en) * | 2023-05-15 | 2023-06-23 | 深圳大学 | Rubber aging test device and test method based on different environments |
| CN116297147B (en) * | 2023-05-15 | 2023-08-01 | 深圳大学 | Rubber aging test device and test method based on different environments |
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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 |
Granted publication date: 20141203 Termination date: 20150824 |
|
| EXPY | Termination of patent right or utility model |