CN201319228Y - Comprehensive experiment device of testing system - Google Patents
Comprehensive experiment device of testing system Download PDFInfo
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- CN201319228Y CN201319228Y CNU200820202730XU CN200820202730U CN201319228Y CN 201319228 Y CN201319228 Y CN 201319228Y CN U200820202730X U CNU200820202730X U CN U200820202730XU CN 200820202730 U CN200820202730 U CN 200820202730U CN 201319228 Y CN201319228 Y CN 201319228Y
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- programmable logic
- logic controller
- experiment device
- monitoring system
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Abstract
The utility model relates to a comprehensive experiment device of a testing system, which comprises a programmable controller, a hydraulic system, a work drive motor, a loading motor, an analogy-to-digital converter, a sensor, a contactor, an intermediate relay and a digital display board, wherein the work drive motor is connected with a driving pump of the hydraulic system; the signal output end of the sensor arranged in the hydraulic system is connected with an input interface of the programmable controller by the analogy-to-digital converter; an output interface of the programmable controller is connected with the loading motor by the intermediate relay and the contractor; and the output interface of the programmable controller is also connected to the digital display board. The utility model integrates experimental equipments of three courses onto the same device, reduces the investment of experimental equipments of the signal course to the upmost extent, greatly improves the utilization ratio of the device and saves the cost and the sites; in addition, students can do different experiments on the same experimental device, thereby not only shortening the time of learning the experimental equipments, but also playing the effect of gaining new insights through restudying old materials and also being capable of feeling the contact among different subjects.
Description
Technical field
The utility model is a kind of synthetic experiment device for monitoring system, belongs to the renovation technique of experimental provision.
Background technology
Present experimental provision mostly is the experiment of single course greatly and is provided with, as " Fluid Transmission and Control ", " Mechanical ﹠ electrical Transmission Control technology ", " Programmable Logic Controller principle and application " three subjects that are provided with in university's industry science, the used equipment of its experimental provision repeats, and needs motor, switch, button, pressure, flow, speed probe as the experimental provision of " Fluid Transmission and Control " course; The experimental provision of " Mechanical ﹠ electrical Transmission Control technology " and " Programmable Logic Controller principle and application " course also needs motor, switch, button, speed probe; The experiment of " Mechanical ﹠ electrical Transmission Control technology " course simultaneously needs charger, and the experiment of " Programmable Logic Controller principle and application " course needs controlling object.In addition, each experimental provision utilization factor is low, and the inter-course contact of the experimental provision of each course shortage, and the more checking aspect that rests on the principles of science, disconnects with practical application, is difficult to cause students'interest in learning.
The utility model content
The purpose of this utility model is to consider the problems referred to above and a kind of input that has farthest reduced single curriculum experiment equipment is provided, improved the synthetic experiment device for monitoring system of plant factor greatly.The utility model provides cost savings and the place, more makes the student can feel different interdisciplinary contacts.
The technical solution of the utility model is: include Programmable Logic Controller, hydraulic system, work drive motor, loading motor, analog to digital converter, sensor, contactor, auxiliary reclay, digital display board, wherein work drive motor is connected with the driving pump of hydraulic system, the signal output part that is contained in the sensor in the hydraulic system is connected with the input interface of Programmable Logic Controller by analog to digital converter, the output interface of Programmable Logic Controller is connected with loading motor by auxiliary reclay and contactor, and the output interface of Programmable Logic Controller also is connected with digital display board.
The output interface of above-mentioned Programmable Logic Controller is connected with digital hyperchannel storage oscilloscope by digital to analog converter.
Above-mentioned contactor also is connected with control knob.
The output interface of above-mentioned Programmable Logic Controller also is connected with frequency converter by digital to analog converter, and frequency converter is connected with work drive motor.
Above-mentioned work drive motor is connected with the input interface of Programmable Logic Controller by rotary encoder and is connected with frequency converter.
The communication interface of above-mentioned Programmable Logic Controller also is connected with man-machine interface.
The input interface of above-mentioned Programmable Logic Controller also is connected with computing machine.
The input interface of above-mentioned Programmable Logic Controller also is connected with toggle switch.
The sensor includes flow sensor, pressure transducer, speed pickup, displacement transducer, vibration transducer, temperature sensor.
Above-mentioned contactor is an A.C. contactor; Above-mentioned auxiliary reclay also is connected with pilot lamp, and hydraulic system includes piston cylinder and operation valve, tensimeter.
The utility model is experiment content relevant " Fluid Transmission and Control ", " Mechanical ﹠ electrical Transmission Control technology ", the experiment of " Programmable Logic Controller principle and application " three subjects is comprehensively on an experimental provision, original single be the equipment that " Fluid Transmission and Control " curriculum experiment is served, transform a comprehensive experimental device as towards relevant speciality, and utilize PLC to solve the automatic detection and the Based Intelligent Control problem of each physical quantity of " Fluid Transmission and Control " curriculum experiment, solve with hydraulic actuator that " Programmable Logic Controller principle and application " curriculum experiment input and output do not have practical object and " Mechanical ﹠ electrical Transmission Control technology " curriculum experiment does not drive target, there are not problems such as load.The experimental facilities of three subjects is integrated into a cover integration unit, has greatly improved usage ratio of equipment, save cost and place.Simultaneously, the student does the experiment of different courses repeatedly on same experimental provision, also can reduce the time is familiar with in the understanding of experimental provision, play the effect of gaining new insight through restudying of old material, more can make the student feel different interdisciplinary contacts, the actual application ability that improves student's comprehensive knowledge has been played positive effect.
Experimental provision of the present utility model is compared with other like product and to be also had following characteristics except the whole experiments that can leave " Fluid Transmission and Control ", " Mechanical ﹠ electrical Transmission Control technology ", " Programmable Logic Controller principle and application " three subjects for relevant speciality:
1, saves cost, saving place, raising plant factor.
The correlated curriculum experimental facilities is supported each other, both solved the automatic detection problem of each physical quantity of " Fluid Transmission and Control " curriculum experiment, the input and output that solved " Programmable Logic Controller principle and application " curriculum experiment again do not have practical object, " Mechanical ﹠ electrical Transmission Control technology " curriculum experiment not to have controlling object, " Fundamentals of Sensors " curriculum experiment not to have problems such as detected object, achieve many things at one stroke, bring out the best in each other.
2, reduce the student time is familiar with in the understanding of experimental provision, improve conventional efficient.
Owing on same experimental provision, can finish the experiment of multi-door course, contacted this device in student's curriculum experiment in front, therefore when doing follow-up curriculum experiment, just more time can be effectively applied to the actual experiment process, thereby improve conventional efficient.
3, intensification plays and consolidates the review effect the understanding of front course content;
The experiment of follow-up course need be used the front experiment content, and surperficial step is identical, and essence requires different.The step operated as " changing the pump speed speed governing " in " Fluid Transmission and Control " curriculum experiment and " frequency control characteristic " content in " Mechanical ﹠ electrical Transmission Control technology " curriculum experiment is close, but require different, what the former was concerned about is the movement velocity variation characteristics of piston rod, and the latter's the starting point then is that rotating speed of motor changes.The latter can be considered the former review in form, and is incremental, works the effect of gaining new knowledge by reviewing old.The experiment of three subjects is done, and through strengthening repeatedly, the student controls and detect impression and the cognition that just has than system automatically to using PLC to electromechanical equipment.
4, real swords and spears are more near engineering reality.
Because frequency converter is a stronger interference source, be easy to miscellaneous equipment, particularly checkout equipment produces and disturbs, and the pressure fluctuation of hydraulic pressure is generally bigger, detects the sample instability, therefore compares more near engineering problem with other like product.
5, embody interdisciplinary inner link, help improving the ability that student's comprehensive knowledge is used, widen student's the visual field.
6, one-object-many-purposes.
Except the education experiment and sensor application example that can make above-mentioned three subjects, also can use for Course Exercise, graduation project and other close professional teaching experiment.Also can be used as simultaneously secondary developing platforms such as higher grade pupil's " scientific research training " and Postgraduate Cultivation.
The utility model experimental provision has embodied curriculum characteristic and professional characteristic, and the actual application ability that improves student's comprehensive knowledge has been played positive effect.The student that this experimental provision is particularly suitable for the Technology and Equipment of Observing and Controlling specialty uses, and is applicable to that also other offer the specialty of above-mentioned course, as specialties such as electromechanical integration, light industry and machinery.Few to number of student, the school that lacks the experiment place again is particularly suitable.The utility model is that a kind of design is ingenious, function admirable, convenient and practical synthetic experiment device for monitoring system.
Description of drawings
Fig. 1 is a theory diagram of the present utility model.
Embodiment
Embodiment:
Structural representation of the present utility model as shown in Figure 1, include Programmable Logic Controller 1, hydraulic system 2, work drive motor 3, loading motor 4, analog to digital converter 6, sensor 8, contactor 10, auxiliary reclay 11, digital display board 12, wherein work drive motor 3 is connected with the driving pump of hydraulic system 2, the signal output part that is contained in the sensor 8 in the hydraulic system is connected with the input interface of Programmable Logic Controller 1 by analog to digital converter 6, the output interface of Programmable Logic Controller 1 is connected with loading motor 4 by auxiliary reclay 11 and contactor 10, and the output interface of Programmable Logic Controller 1 also is connected with digital display board 12.
The output interface of above-mentioned Programmable Logic Controller 1 is connected with digital hyperchannel storage oscilloscope 13 by digital to analog converter 7.
Above-mentioned contactor 10 also is connected with control knob 9.
The output interface of above-mentioned Programmable Logic Controller 1 also is connected with frequency converter 5 by digital to analog converter 7, and frequency converter 5 is connected with work drive motor 3.
Above-mentioned work drive motor 3 is connected with the input interface of Programmable Logic Controller 1 by rotary encoder 17 and is connected with frequency converter 5.
The communication interface of above-mentioned Programmable Logic Controller 1 also is connected with man-machine interface 14.
The input interface of above-mentioned Programmable Logic Controller 1 also is connected with computing machine 15.
The input interface of above-mentioned Programmable Logic Controller 1 also is connected with toggle switch 16.
The sensor 8 includes flow sensor, pressure transducer, speed pickup, displacement transducer, vibration transducer, temperature sensor.
Above-mentioned contactor 10 is an A.C. contactor; Above-mentioned auxiliary reclay 11 also is connected with pilot lamp 18, and hydraulic system 2 includes piston cylinder 19 and operation valve, tensimeter.
The utility model is made up of following three big experiment modules in use:
1, " hydrostatic transmission and control " experiment module
" hydrostatic transmission and control " experiment module is made up of pumping plant, frequency converter, work drive motor (containing rotary encoder), loading motor, various sensor (as sensors such as direction, pressure, flowrate control valve, flow, pressure, speed, displacement, vibration, temperature), control knob, tensimeter etc.Can finish this course＜characteristic test of hydraulic pump,＜the throttle grverning performance test.While is as detection, the controlling object of " Mechanical ﹠ electrical Transmission Control technology ", " Programmable Logic Controller principle and application " curriculum experiment.The experimental procedure of each experiment and experimental principle are with reference to the experimental procedure and the experimental principle of existing experiment.
2, " Mechanical ﹠ electrical Transmission Control technology " experiment module
" Mechanical ﹠ electrical Transmission Control technology " experiment module is made up of A.C. contactor, auxiliary reclay, the time relay, power switch, fuse, pilot lamp, control knob, frequency converter, alternating current generator etc.Can finish this course＜the relay-contactor Logic Circuit Design,＜ac variable frequency speed regulation experiment,＜the variable frequency speed modulation of asynchronous motor mechanical property,＜Mechanical ﹠ Electrical Transmission integrated application demonstration etc. experiment.While is as the control device and the object of " Programmable Logic Controller principle and application ", " hydrostatic transmission and control " curriculum experiment.The experimental procedure of each experiment and experimental principle are with reference to the experimental procedure and the experimental principle of existing experiment.
3, " Programmable Logic Controller principle and application " experiment module
" Programmable Logic Controller principle and application " experiment module is by Programmable Logic Controller (FX2n-64MT of Mitsubishi) and expansion module A/D, D/A, compositions such as man-machine interface, control knob, (simulation PLC input) switch, dial, auxiliary reclay, digital display board, various sensor (as sensors such as flow, pressure, speed, displacement, vibration, temperature), frequency converter, work drive motor, digital hyperchannel storage oscilloscope.Can finish this course＜elementary instruction uses,＜along the control application of instruction,＜function command uses,＜functional module uses experiment.While is as the Based Intelligent Control and the data presentation system of " Mechanical ﹠ electrical Transmission Control technology ", " hydrostatic transmission and control " curriculum experiment.The experimental procedure of each experiment and experimental principle are with reference to the experimental procedure and the experimental principle of existing experiment.
In addition, on this comprehensive experimental device, can finish " Fundamentals of Sensors ﹠ Application " course＜conventional sensors uses,＜advanced sensor application experiment; Behind the data collecting card, can also finish the related experiment of " LabVIEW virtual instrument " course in the configuration based on TT﹠C system; This device has also been matched electrical quantity sensor and motion control unit (FX2n-20GM).This integration unit is not general analogue means, but 1: 1 true industrial control device.It combines multi-door subjects knowledge such as " Fluid Transmission and Control ", " Mechanical ﹠ electrical Transmission Control technology ", " Programmable Logic Controller principle and application ", " Fundamentals of Sensors ﹠ Application ", " Automatic Control Theory ", " detection technique ", " computer technology ", holds mutually mutually.Except towards regular academic offerings experiment, also can for the higher grade pupil＜the scientific research training,＜graduation project and teaching link use such as Postgraduate Cultivation.
Claims (10)
1, a kind of synthetic experiment device for monitoring system, it is characterized in that including Programmable Logic Controller (1), hydraulic system (2), work drive motor (3), loading motor (4), analog to digital converter (6), sensor (8), contactor (10), auxiliary reclay (11), digital display board (12), wherein work drive motor (3) is connected with the driving pump of hydraulic system (2), the signal output part that is contained in the sensor (8) in the hydraulic system is connected with the input interface of Programmable Logic Controller (1) by analog to digital converter (6), the output interface of Programmable Logic Controller (1) is connected with loading motor (4) by auxiliary reclay (11) and contactor (10), and the output interface of Programmable Logic Controller (1) also is connected with digital display board (12).
2, synthetic experiment device for monitoring system according to claim 1 is characterized in that the output interface of above-mentioned Programmable Logic Controller (1) is connected with digital hyperchannel storage oscilloscope (13) by digital to analog converter (7).
3, synthetic experiment device for monitoring system according to claim 1 is characterized in that above-mentioned contactor (10) also is connected with control knob (9).
4, synthetic experiment device for monitoring system according to claim 1 is characterized in that the output interface of above-mentioned Programmable Logic Controller (1) also is connected with frequency converter (5) by digital to analog converter (7), and frequency converter (5) is connected with work drive motor (3).
5, synthetic experiment device for monitoring system according to claim 4 is characterized in that above-mentioned work drive motor (3) is connected with the input interface of Programmable Logic Controller (1) by rotary encoder (17) and is connected with frequency converter (5).
6, synthetic experiment device for monitoring system according to claim 1 is characterized in that the communication interface of above-mentioned Programmable Logic Controller (1) also is connected with man-machine interface (14).
7, synthetic experiment device for monitoring system according to claim 1 is characterized in that the input interface of above-mentioned Programmable Logic Controller (1) also is connected with computing machine (15).
8, synthetic experiment device for monitoring system according to claim 1 is characterized in that the input interface of above-mentioned Programmable Logic Controller (1) also is connected with toggle switch (16).
9,, it is characterized in that the sensor (8) includes flow sensor, pressure transducer, speed pickup, displacement transducer, vibration transducer, temperature sensor according to each described synthetic experiment device for monitoring system of claim 1 to 8.
10, want 9 described synthetic experiment device for monitoring system according to right, it is characterized in that above-mentioned contactor (10) is an A.C. contactor; Above-mentioned auxiliary reclay (11) also is connected with pilot lamp (18), and hydraulic system (2) includes piston cylinder (19) and operation valve, tensimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820202730XU CN201319228Y (en) | 2008-10-31 | 2008-10-31 | Comprehensive experiment device of testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820202730XU CN201319228Y (en) | 2008-10-31 | 2008-10-31 | Comprehensive experiment device of testing system |
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| CN201319228Y true CN201319228Y (en) | 2009-09-30 |
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| CNU200820202730XU Expired - Fee Related CN201319228Y (en) | 2008-10-31 | 2008-10-31 | Comprehensive experiment device of testing system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436243A (en) * | 2011-12-09 | 2012-05-02 | 成都中和世纪科技有限公司 | Electric power measurement and control apparatus measurement and control main body and human machine interface separation scheme |
| CN102691651A (en) * | 2012-05-23 | 2012-09-26 | 上海昶嘉工业设备有限公司 | Energy-saving tester for air-compressor system |
| CN108534936A (en) * | 2018-04-17 | 2018-09-14 | 苏州金锐启智能装备科技有限公司 | The system for carrying out torsional test with Weighing module cooperation PLC |
| CN109487484A (en) * | 2017-09-11 | 2019-03-19 | 无锡小天鹅股份有限公司 | Washing machine and control method for washing machine |
-
2008
- 2008-10-31 CN CNU200820202730XU patent/CN201319228Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436243A (en) * | 2011-12-09 | 2012-05-02 | 成都中和世纪科技有限公司 | Electric power measurement and control apparatus measurement and control main body and human machine interface separation scheme |
| CN102691651A (en) * | 2012-05-23 | 2012-09-26 | 上海昶嘉工业设备有限公司 | Energy-saving tester for air-compressor system |
| CN102691651B (en) * | 2012-05-23 | 2015-10-28 | 上海昶嘉工业设备有限公司 | Air compressor system saving energy test instrument |
| CN109487484A (en) * | 2017-09-11 | 2019-03-19 | 无锡小天鹅股份有限公司 | Washing machine and control method for washing machine |
| CN108534936A (en) * | 2018-04-17 | 2018-09-14 | 苏州金锐启智能装备科技有限公司 | The system for carrying out torsional test with Weighing module cooperation PLC |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090930 Termination date: 20091130 |