CN107817166A - A kind of tensile testing machine control system - Google Patents
A kind of tensile testing machine control system Download PDFInfo
- Publication number
- CN107817166A CN107817166A CN201711272290.5A CN201711272290A CN107817166A CN 107817166 A CN107817166 A CN 107817166A CN 201711272290 A CN201711272290 A CN 201711272290A CN 107817166 A CN107817166 A CN 107817166A
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- China
- Prior art keywords
- operational amplifier
- testing machine
- tensile testing
- resistance
- control system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/066—Special adaptations of indicating or recording means with electrical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25187—Transmission of signals, medium, ultrasonic, radio
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automation & Control Theory (AREA)
- Engineering & Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of tensile testing machine control system, including controller, photoelectric encoder, A/D converter, preamplifier, traffic filter, force cell, tensile testing machine, servomotor, servo controller, D/A converter, communication module, host computer, button, liquid crystal display.Force cell of the present invention is resistance-strain type electric bridge force value deformation-sensor, and the linearly of collection is good, high resolution, response are fast；Signal is gathered by traffic filter, preamplifier, and noise is small, high gain, strong antijamming capability；Photoelectric encoder is displacement deformation amount photoelectric encoder, and light structure, measurement is reliable, can measure the overall process of sample displacement；Servomotor is controlled using Sanyo Electric servo-driver, and velocity interval is big, and stability is high.
Description
Technical field
The present invention relates to tensile testing machine control technology field, and in particular to a kind of tensile testing machine control system.
Background technology
Tensile testing machine be by stretch detect metal material, nonmetallic materials, parts, the intensity of component, rigidity,
Elasticity, plasticity, toughness, the basic test device of ductility, be widely used in machinery, building, traffic, transport, metallurgy, chemical industry,
Light textile, Aeronautics and Astronautics, energy development, new material, health care and science and techniques of defence, etc. the every field of national economy and
Department.Tensile testing machine is as a kind of accurate tester, fast development for material science, for industrial products and work
Rational design, the raising that product quality improves and product cost reduces and national equipment manufacturing is horizontal of journey structure all have pole
Its important effect.The control performance of tensile testing machine determines the accuracy of measurement, rapidity.
The content of the invention
(1) technical problem solved
The main object of the present invention is to provide a kind of tensile testing machine control system based on data acquisition and measurement control,
The mechanical paw structure is compact, in light weight, intensity is high, can clamp the parts for needing to operate, realize position, attitude regulation work(
Can, it is not only easy to operate, and welding job efficiency can be improved.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：
A kind of tensile testing machine control system, including controller, photoelectric encoder, A/D converter, preamplifier, letter
Number wave filter, force cell, tensile testing machine, servomotor, servo controller, D/A converter, communication module, host computer,
Button, liquid crystal display, the photoelectric encoder, A/D converter, D/A converter, communication module, button, liquid crystal display are
The peripheral circuit of controller is connected with controller respectively, the A/D converter pass sequentially through preamplifier, traffic filter,
Force cell is connected with tensile testing machine, and the D/A converter passes sequentially through servo controller, servomotor and pull test
Machine is connected, and the controller is communicated wirelessly by communication module and host computer.
Further, the controller is single-chip microcomputer.
Further, the single-chip microcomputer is STC89C51 or STC89C2.
Further, the photoelectric encoder is displacement deformation amount photoelectric encoder.
Further, the communication module is ZigBee wireless modules.
Further, the force cell is resistance-strain type electric bridge force value deformation-sensor.
Further, the preamplifier includes operational amplifier U1, U2, resistance R1, R2, electric capacity C1, C2, C3, C4,
The resistance R1 is connected with operational amplifier U1 in-phase input end, and operational amplifier U1 in-phase input end is connect by electric capacity C1
Ground, is connected with electric capacity C2 between operational amplifier U1 in-phase input end and inverting input, operational amplifier U1's is anti-phase defeated
Enter end with operational amplifier U1 output end to be connected, operational amplifier U1 output end is grounded by electric capacity C3, operational amplifier
U1 output end is connected by resistance R2 with operational amplifier U2 in-phase input end, operational amplifier U2 inverting input with
Operational amplifier U2 output end is connected, and operational amplifier U2 output end is grounded by electric capacity C4.
Further, described operational amplifier U1, U2 are operational amplifier TL082.
Further, the traffic filter includes operational amplifier U3, U4, resistance R3, R4, R5, R6, R7, R8, electric capacity
C5, C6, the one end of the resistance R3 respectively with electric capacity C5, C6 are connected, and the electric capacity C5 other ends are anti-phase defeated with operational amplifier U3's
Enter end be connected, the electric capacity C6 other end is connected with operational amplifier U3 output end, operational amplifier U3 inverting input and
Resistance R4 is connected between output end, operational amplifier U3 in-phase input end is grounded by resistance R5, operational amplifier U3's
Output end is connected by resistance R6 with operational amplifier U4 inverting input, operational amplifier U4 in-phase input end ground connection,
Resistance R8, operational amplifier U4 inverting input and electricity are connected between operational amplifier U4 inverting input and output end
Resistance R3 is connected.
Further, described operational amplifier U3, U4 are operational amplifier TL082.
(3) beneficial effect
Beneficial effects of the present invention：A kind of tensile testing machine control system, force cell are resistance-strain type electric bridge power
It is worth deformation-sensor, the linearly of collection is good, high resolution, response are fast；Signal is adopted by traffic filter, preamplifier
Collection, noise is small, high gain, strong antijamming capability；Photoelectric encoder is displacement deformation amount photoelectric encoder, light structure, is measured
Reliably, the overall process of sample displacement can be measured；Servomotor is controlled using Sanyo Electric servo-driver, and velocity interval is big,
Stability is high.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is principle of the invention block diagram；
Fig. 2 is preamplifier schematic diagram of the present invention；
Fig. 3 is traffic filter schematic diagram of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
With reference to Fig. 1, a kind of tensile testing machine control system, including controller, photoelectric encoder, A/D converter, preceding storing
Big device, traffic filter, force cell, tensile testing machine, servomotor, servo controller, D/A converter, communication module,
Host computer, button, liquid crystal display.Photoelectric encoder, A/D converter, D/A converter, communication module, button, liquid crystal display
Device is connected with controller respectively for the peripheral circuit of controller.A/D converter pass sequentially through preamplifier, traffic filter,
Force cell is connected with tensile testing machine.D/A converter passes sequentially through servo controller, servomotor and tensile testing machine phase
Even.Controller is communicated wirelessly by communication module and host computer.Controller can be single-chip microcomputer, and single-chip microcomputer can be
STC89C51 or STC89C2.Photoelectric encoder uses displacement deformation amount photoelectric encoder.Communication module uses the wireless moulds of ZigBee
Block.Force cell uses resistance-strain type electric bridge force value deformation-sensor.Servo controller uses Sanyo Electric servo-drive
Device.
With reference to Fig. 2, preamplifier includes operational amplifier U1, U2, resistance R1, R2, electric capacity C1, C2, C3, C4.Resistance
R1 is connected with operational amplifier U1 in-phase input end, and operational amplifier U1 in-phase input end is grounded by electric capacity C1, computing
Electric capacity C2, operational amplifier U1 inverting input and fortune are connected between amplifier U1 in-phase input end and inverting input
The output end for calculating amplifier U1 is connected, and operational amplifier U1 output end is grounded by electric capacity C3, operational amplifier U1 output
End is connected by resistance R2 with operational amplifier U2 in-phase input end, operational amplifier U2 inverting input and operation amplifier
Device U2 output end is connected, and operational amplifier U2 output end is grounded by electric capacity C4.Operational amplifier U1, U2 can be computing
Amplifier TL082.
With reference to Fig. 3, traffic filter includes operational amplifier U3, U4, resistance R3, R4, R5, R6, R7, R8, electric capacity C5,
C6.The one end of resistance R3 respectively with electric capacity C5, C6 is connected, the inverting input phase of the electric capacity C5 other ends and operational amplifier U3
Even, the electric capacity C6 other end is connected with operational amplifier U3 output end, operational amplifier U3 inverting input and output end
Between be connected with resistance R4, operational amplifier U3 in-phase input end is grounded by resistance R5, operational amplifier U3 output end
It is connected by resistance R6 with operational amplifier U4 inverting input, operational amplifier U4 in-phase input end ground connection, computing is put
Resistance R8, operational amplifier U4 inverting input and resistance R3 phases are connected between big device U4 inverting input and output end
Even.Operational amplifier U3, U4 can be operational amplifier TL082.
In summary, tensile testing machine control system of the present invention, force cell deform for resistance-strain type electric bridge force value
Sensor, the linearly of collection is good, high resolution, response are fast；Signal is gathered by traffic filter, preamplifier, is made an uproar
Sound is small, high gain, strong antijamming capability；Photoelectric encoder is displacement deformation amount photoelectric encoder, and light structure, measurement is reliable,
The overall process of sample displacement can be measured；Servomotor is controlled using Sanyo Electric servo-driver, and velocity interval is big, stability
It is high.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
- A kind of 1. tensile testing machine control system, it is characterised in that：Including controller, photoelectric encoder, A/D converter, preposition Amplifier, traffic filter, force cell, tensile testing machine, servomotor, servo controller, D/A converter, communication mould Block, host computer, button, liquid crystal display, the photoelectric encoder, A/D converter, D/A converter, communication module, button, liquid Crystal display is connected with controller respectively for the peripheral circuit of controller, and the A/D converter passes sequentially through preamplifier, letter Number wave filter, force cell are connected with tensile testing machine, and the D/A converter passes sequentially through servo controller, servomotor It is connected with tensile testing machine, the controller is communicated wirelessly by communication module and host computer.
- 2. a kind of tensile testing machine control system as claimed in claim 1, it is characterised in that the controller is single-chip microcomputer.
- 3. a kind of tensile testing machine control system as claimed in claim 2, it is characterised in that the single-chip microcomputer is STC89C51 Or STC89C2.
- 4. a kind of tensile testing machine control system as claimed in claim 1, it is characterised in that the photoelectric encoder is displacement Deflection photoelectric encoder.
- 5. a kind of tensile testing machine control system as claimed in claim 1, it is characterised in that the communication module is ZigBee Wireless module.
- 6. a kind of tensile testing machine control system as claimed in claim 1, it is characterised in that the force cell is resistance Strain-type electric bridge force value deformation-sensor.
- 7. a kind of tensile testing machine control system as claimed in claim 1, it is characterised in that the preamplifier includes fortune Calculate amplifier U1, U2, resistance R1, R2, electric capacity C1, C2, C3, C4, the resistance R1 and operational amplifier U1 in-phase input end Be connected, operational amplifier U1 in-phase input end is grounded by electric capacity C1, operational amplifier U1 in-phase input end with it is anti-phase defeated Enter and be connected with electric capacity C2 between holding, operational amplifier U1 inverting input is connected with operational amplifier U1 output end, computing Amplifier U1 output end is grounded by electric capacity C3, and operational amplifier U1 output end passes through resistance R2's and operational amplifier U2 In-phase input end is connected, and operational amplifier U2 inverting input is connected with operational amplifier U2 output end, operational amplifier U2 output end is grounded by electric capacity C4.
- 8. a kind of tensile testing machine control system as claimed in claim 1, it is characterised in that described operational amplifier U1, U2 For operational amplifier TL082.
- 9. a kind of tensile testing machine control system as claimed in claim 1, it is characterised in that the traffic filter includes fortune Calculate amplifier U3, U4, resistance R3, R4, R5, R6, R7, R8, electric capacity C5, C6, the resistance R3 one end with electric capacity C5, C6 respectively It is connected, the electric capacity C5 other ends are connected with operational amplifier U3 inverting input, electric capacity the C6 other end and operational amplifier U3 Output end be connected, resistance R4 is connected between operational amplifier U3 inverting input and output end, operational amplifier U3's In-phase input end is grounded by resistance R5, and operational amplifier U3 output end is by the anti-phase defeated of resistance R6 and operational amplifier U4 Enter end to be connected, operational amplifier U4 in-phase input end ground connection, connect between operational amplifier U4 inverting input and output end Resistance R8 is connected to, operational amplifier U4 inverting input is connected with resistance R3.
- 10. a kind of tensile testing machine control system as claimed in claim 1, it is characterised in that described operational amplifier U3, U4 For operational amplifier TL082.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711272290.5A CN107817166A (en) | 2017-12-06 | 2017-12-06 | A kind of tensile testing machine control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711272290.5A CN107817166A (en) | 2017-12-06 | 2017-12-06 | A kind of tensile testing machine control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107817166A true CN107817166A (en) | 2018-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711272290.5A Pending CN107817166A (en) | 2017-12-06 | 2017-12-06 | A kind of tensile testing machine control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107817166A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111932966A (en) * | 2020-08-31 | 2020-11-13 | 重庆水利电力职业技术学院 | Internet of things teaching system |
-
2017
- 2017-12-06 CN CN201711272290.5A patent/CN107817166A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111932966A (en) * | 2020-08-31 | 2020-11-13 | 重庆水利电力职业技术学院 | Internet of things teaching system |
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