CN109634204A - A kind of automatic control system for multifunctional material testing - Google Patents
A kind of automatic control system for multifunctional material testing Download PDFInfo
- Publication number
- CN109634204A CN109634204A CN201811557929.9A CN201811557929A CN109634204A CN 109634204 A CN109634204 A CN 109634204A CN 201811557929 A CN201811557929 A CN 201811557929A CN 109634204 A CN109634204 A CN 109634204A
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- Prior art keywords
- card
- automatic control
- servo
- control
- material testing
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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
-
- 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
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- 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
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of automatic control system for multifunctional material testing, including for the servo drive system of Control experiment machine, measuring system and software system, servo drive system includes the servo-driver of the servo motor and control servo motor for driving testing machine；Measuring system includes force snesor and extensometer, and extensometer is the deformation for accurate determination of material；Force snesor is for measuring the force value that material receives；Measuring system further includes displacement measurement module, and displacement measurement module is used to measure the data information of the torque of servo motor, revolving speed and position；It include main controller, capture card and control card inside software system, capture card is connect with measuring system；Control card is for controlling servo-driver；Main controller includes that PLC can compile logic controller and host computer, and PLC can compile the measurement data that logic controller receives capture card, and the control command of host computer is sent to control card.The present invention substantially increases testing machine to the accuracy of the detection data of material.
Description
Technical field
The present invention relates to universal testing machine field more particularly to a kind of automatic control system for multifunctional material testing.
Background technique
As a kind of widely applied material property detection device, constantly expanded by scientific and technical fast-developing, application range
Exhibition influences, and recent domestic universal testing machine field achieves more significant progress.
Servo drive unit belongs to the core of universal testing machine, and job stability, safety are directly by servo
The influence of driving unit, and for the AC servo motor studied herein, just belonging to the important hair of servo drive unit
Direction is opened up, and in order to really convert high-level technological achievement for the direction, exactly handed in universal testing machine herein
Flow servo motor control technology carries out specific research reason for it.
Traditional universal testing machine mostly uses core of the direct current generator as servo drive unit, but brush and rectification
Poor job stability makes direct current generator gradually be eliminated under easy to damage, the big torque of son, is opened using AC servo motor
Begin to become industry focus of attention.
Guarantee that AC servo motor preferably serves universal testing machine to match to be combined into, is driven by servo motor, servo
The electric machine control system that dynamic device, power supply, controller are constituted must be indispensable.
And cause testing machine not accurate enough to the data of material in existing control system.
Summary of the invention
In view of this, being asked to solve the technology that existing control system causes testing machine not accurate enough to the data of material
Topic, the present invention provide a kind of automatic control system for multifunctional material testing.
The technical scheme of the present invention is realized as follows:
A kind of automatic control system for multifunctional material testing, including for the servo drive system of Control experiment machine, measuring system and survey
Try software systems,
The servo drive system includes servo motor for driving the testing machine and controls watching for the servo motor
Take driver；
The measuring system includes force snesor and extensometer, and the extensometer is the deformation for accurate determination of material；It is described
Force snesor is for measuring the force value that material receives；The measuring system further includes displacement measurement module, institute's displacement measurement mould
Block is used to measure the data information of the torque of the servo motor, revolving speed and position；
It include main controller, capture card and control card inside the software system, the capture card and the measuring system connect
It connects, for receiving the measurement data of the force snesor, the extensometer and institute's displacement measurement module；The control card is used for
Control the servo-driver；
The main controller includes that PLC can compile logic controller and host computer, and the PLC can compile logic controller and receive the acquisition
The measurement data of card, and the control command of the host computer is sent to the control card, and coordinate to two-way data
Transmission.
Preferably, institute's displacement measurement module is connect with the photoelectric encoder in the servo motor.
Preferably, the main controller further includes display module, status alert module and report print module.
Preferably, the photoelectric encoder uses the incremental optical-electricity encoder of SCHA-40BM-G05L model.
Preferably, the extensometer uses the electric bridge strain-gauge transducer of BSL-100KG model.
Preferably, the capture card uses the board of model PCI1784.
Preferably, the control card uses the board of model PCI1716.
Preferably, the PLC can compile logic controller and the host computer using RS232 serial communication.
The utility model has the advantages that
The present invention is provided separately by capture card and control card, and can be compiled logic controller using PLC and be carried out to bi-directional data
Coordinating transmissions stablize system, at runtime, carry out Data Detection to the deflection of material and strength size first, and lead to
It crosses the realization of displacement measurement module to compare the DATA REASONING of servo motor, reduces error, the present invention substantially increases testing machine pair
The accuracy of the detection data of material.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of automatic control system for multifunctional material testing of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Such as Fig. 1, the embodiment of the present invention proposes a kind of automatic control system for multifunctional material testing, including is used for Control experiment machine
Servo drive system, measuring system and software system,
Servo drive system includes the servo-driver of the servo motor and control servo motor for driving testing machine；
Measuring system includes force snesor and extensometer, and extensometer is the deformation for accurate determination of material；Force snesor is used for
The force value that measurement material receives；Measuring system further includes displacement measurement module, and displacement measurement module is for measuring servo motor
Torque, revolving speed and position data information；Displacement measurement module is connect with the photoelectric encoder in servo motor；And photoelectric coding
Device then belongs to the precision measurement apparatus of wide range.
It include main controller, capture card and control card inside software system, capture card is connect with measuring system, for connecing
Receive the measurement data of force snesor, extensometer and displacement measurement module；Control card is for controlling servo-driver；Extensometer is to use
The deformation for carrying out accurate determination of material, with high-resolution and high accuracy.And performance is stablized.Extensometer will deform
Amount is converted to analog quantity.
Main controller includes that PLC can compile logic controller and host computer, and programmable logic controller (PLC) (PLC) structure is simple, function
Can be complete, and have compared with strong anti-interference ability, the reliability and stability of system can be improved, it is existing especially suitable for industry control
?.
PLC can compile the measurement data that logic controller receives capture card, and the control command of host computer is sent to control card,
And coordinating transmissions are carried out to two-way data；PLC can compile logic controller and host computer using RS232 serial communication.And this
Trapezoid figure program is developed for PLC in embodiment, for realizing the conversion of pulse output, high-speed counting and analog quantity.
Wherein the present embodiment in order to effect it is more excellent, using model in detail below make:
Main controller further includes display module, status alert module and report print module.
Photoelectric encoder uses the incremental optical-electricity encoder of SCHA-40BM-G05L model.
Extensometer uses the electric bridge strain-gauge transducer of BSL-100KG model, because it possesses stable and reliable for performance, survey
Accuracy of measurement height, long service life, frequency response characteristic be good, the advantages such as low to environmental requirement.
In view of universal testing machine needs to acquire displacement, deformation, force signal, it is necessary to convert analog quantity continuous signal
Needs are identified for digital quantity discrete signal to meet computer, since computer cannot be communicated with sensor, measuring cell,
Relevant connection, communication need to be completed using other devices, it is contemplated that universal testing machine feature uses control card and realizes letter
Number acquisition and control thinking, so capture card use model PCI1784 board.Control card uses model PCI1716
Board.
Finally, it should be noted that the foregoing is merely a prefered embodiment of the invention, it is merely to illustrate technical side of the invention
Case is not intended to limit the scope of the present invention.It is any modification for being made all within the spirits and principles of the present invention, equivalent
Replacement, improvement etc., are included within the scope of protection of the present invention.
Claims (8)
1. a kind of automatic control system for multifunctional material testing, including for the servo drive system of Control experiment machine, measuring system and
Software system, which is characterized in that
The servo drive system includes servo motor for driving the testing machine and controls watching for the servo motor
Take driver；
The measuring system includes force snesor and extensometer, and the extensometer is the deformation for accurate determination of material；It is described
Force snesor is for measuring the force value that material receives；The measuring system further includes displacement measurement module, institute's displacement measurement mould
Block is used to measure the data information of the torque of the servo motor, revolving speed and position；
It include main controller, capture card and control card inside the software system, the capture card and the measuring system connect
It connects, for receiving the measurement data of the force snesor, the extensometer and institute's displacement measurement module；The control card is used for
Control the servo-driver；
The main controller includes that PLC can compile logic controller and host computer, and the PLC can compile logic controller and receive the acquisition
The measurement data of card, and the control command of the host computer is sent to the control card, and coordinate to two-way data
Transmission.
2. automatic control system for multifunctional material testing according to claim 1, which is characterized in that institute's displacement measurement module with
Photoelectric encoder connection in the servo motor.
3. automatic control system for multifunctional material testing according to claim 1, which is characterized in that the main controller further includes showing
Show module, status alert module and report print module.
4. automatic control system for multifunctional material testing according to claim 2, which is characterized in that the photoelectric encoder uses
The incremental optical-electricity encoder of SCHA-40BM-G05L model.
5. automatic control system for multifunctional material testing according to claim 1, which is characterized in that the extensometer uses
The electric bridge strain-gauge transducer of BSL-100KG model.
6. automatic control system for multifunctional material testing according to claim 1, which is characterized in that the capture card uses model
For the board of PCI1784.
7. automatic control system for multifunctional material testing according to claim 1, which is characterized in that the control card uses model
For the board of PCI1716.
8. automatic control system for multifunctional material testing according to claim 1, which is characterized in that the PLC can compile logic control
Device processed and the host computer use RS232 serial communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811557929.9A CN109634204A (en) | 2018-12-19 | 2018-12-19 | A kind of automatic control system for multifunctional material testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811557929.9A CN109634204A (en) | 2018-12-19 | 2018-12-19 | A kind of automatic control system for multifunctional material testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109634204A true CN109634204A (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811557929.9A Withdrawn CN109634204A (en) | 2018-12-19 | 2018-12-19 | A kind of automatic control system for multifunctional material testing |
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| CN (1) | CN109634204A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987597A (en) * | 2019-12-30 | 2020-04-10 | 广东火炬检测有限公司 | Universal material testing machine |
| CN111176348A (en) * | 2019-12-29 | 2020-05-19 | 常州工学院 | Compression themogenesis testing machine control system |
| CN118275232A (en) * | 2024-05-30 | 2024-07-02 | 深圳三思纵横科技股份有限公司 | Universal testing machine control method and system based on Internet of things |
-
2018
- 2018-12-19 CN CN201811557929.9A patent/CN109634204A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111176348A (en) * | 2019-12-29 | 2020-05-19 | 常州工学院 | Compression themogenesis testing machine control system |
| CN110987597A (en) * | 2019-12-30 | 2020-04-10 | 广东火炬检测有限公司 | Universal material testing machine |
| CN118275232A (en) * | 2024-05-30 | 2024-07-02 | 深圳三思纵横科技股份有限公司 | Universal testing machine control method and system based on Internet of things |
| CN118275232B (en) * | 2024-05-30 | 2024-08-30 | 深圳三思纵横科技股份有限公司 | Universal testing machine control method and system based on Internet of things |
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Application publication date: 20190416 |