CN204087644U - A kind of Universal Automatic Control System teaching experiment platform - Google Patents
A kind of Universal Automatic Control System teaching experiment platform Download PDFInfo
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- CN204087644U CN204087644U CN201420516712.4U CN201420516712U CN204087644U CN 204087644 U CN204087644 U CN 204087644U CN 201420516712 U CN201420516712 U CN 201420516712U CN 204087644 U CN204087644 U CN 204087644U
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Abstract
The utility model discloses a kind of Universal Automatic Control System teaching experiment platform, it relates to a kind of teaching experiment platform.It comprises signal amplification module, signal conversion module, parallel moving of signal module, linearization block and analog-to-digital conversion module, signal amplification module, signal conversion module, parallel moving of signal module, linearization block are connected successively with analog-to-digital conversion module, analog-to-digital conversion module is connected with main control module, and main control module selects module to be connected with faulty action preventing module with Keysheet module, display module, control output module, condition respectively; Described signal amplification module is also by switch connection signal translation module.The utility model is convenient carries out multiple test on same experiment porch, convenient and reliable.
Description
Technical field
The utility model relates to a kind of teaching experiment platform, be specifically related to a kind of Universal Automatic Control System teaching experiment platform.
Background technology
The Teaching of Automatic Control platform of testing in prior art, mostly adopts independently equipment to carry out the experiment of specific function, is difficult to test different test events on the same device, and actualizing technology falls behind, and operation has very big inconvenience.
In view of above-mentioned defect, the utility model creator obtains this creation finally through long research and practice.
Utility model content
For the deficiency that prior art exists, the utility model object is to provide a kind of Universal Automatic Control System teaching experiment platform, in order to overcome above-mentioned technological deficiency.
To achieve these goals, the utility model realizes by the following technical solutions: a kind of Universal Automatic Control System teaching experiment platform, comprises signal amplification module, carries out enlarging function in order to the feeble signal completed sensor exports; Signal conversion module, carries out electric current, voltage transitions, to adapt to the needs of rear class to the signal that described signal amplification module exports; Parallel moving of signal module: its settling signal voltage upper and lower translation moves; Because not necessarily zero-signal is corresponding with no-voltage for the front signal what exports, or corresponding with polarity needed for rear class, realize front stage Signal Matching.
Also comprise linearization block, in order to correct the nonlinear properties that front what and sensor export; Analog-to-digital conversion module, converts digital signal to, so that main control module processes the simulating signal that prime exports; Condition selects module: the idea of its experimentally person is arranged to different states, and main control module, according to its state, completes different functions.
Main control module, it completes various logic judgement and data processing according to the data of program and collection, exports various data and logical signal; Control output module, the various topworkies needed for the level signal drived control that main control module exports; Faulty action preventing module, it adopts certain logical circuit, prevents main control module owing to powering up, shutdown transient; Strong electromagnetic; Program fleet, the Wrong control that deadlock etc. causes occurs, and improves the reliability controlled;
Switch is set between modules, disparate modules is separated and combines.
Further,
Also comprise, Keysheet module, the idea of its experimentally person is arranged to different parameters, and main control module, according to its parameter, completes different data processings; Display module, the various data that its display main control module exports.
The beneficial effects of the utility model: experiment effect of the present utility model is all obviously better than originally single-minded, discrete traditional experiment.This platform is on circuit kit on the other hand, be made up of the integrated circuit of novel function advanced person, by different separation, combination, complete multiple experiment, that is this platform just can complete traditional signal amplification test, parallel moving of signal is tested, analog to digital conversion is tested, and automatic control system is tested, automatic experiments of measuring etc.Economically, spatially all ample resources is saved.
Accompanying drawing explanation
The utility model is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the circuit diagram of signal of the present utility model amplification and translation module;
Fig. 3 is the circuit diagram of signal conversion module of the present utility model;
Fig. 4 is the circuit diagram of faulty action preventing module of the present utility model;
Fig. 5 is the circuit diagram of control output module of the present utility model;
Fig. 6 is the circuit diagram of main control module of the present utility model.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
With reference to Fig. 1-6, this embodiment is by the following technical solutions: a kind of Universal Automatic Control System teaching experiment platform, comprise signal amplification module, signal conversion module, parallel moving of signal module, linearization block and analog-to-digital conversion module, signal amplification module, signal conversion module, parallel moving of signal module, linearization block are connected successively with analog-to-digital conversion module, analog-to-digital conversion module is connected with main control module, and main control module selects module to be connected with faulty action preventing module with Keysheet module, display module, control output module, condition respectively; Described signal amplification module is also by switch connection signal translation module.
It should be noted that, described signal amplification module adopts amplifier INA128, and 5 pin of amplifier INA128 connect 1 pin of the first diode D1 positive pole in parallel moving of signal module, C3 negative pole, C6 one end and chip MAX764 by the 4th resistance R4, the 5th resistance R5.The input P4 of this circuit, P2 carrys out the output of sensor, amplify through INA128 and be connected to the input end INA of signal conversion module after translation, if take MAX764 as the translation voltage required when producing an INA128 translation signal of the main circuit of core, potentiometer R4 decision parallel moving of signal number.
It should be noted that described signaling conversion circuit adopts analog to digital converter 2543.The function of this circuit is that the simulating signal from signal amplification and translation module is converted to digital signal, is input to main control module, is used for data processing and the Logic judgment of CPU as detection data by serial communication interface.
It should be noted that described faulty action preventing module adopts timer 555.This circuit is a controlled delay circuit, his input CYK from main control module, by the control of CPU, his output EEE is connected to control output module, carry out logic with control output module to coordinate, in order to the Wrong control preventing CPU from causing due to a variety of causes, ensure the reliability controlled.
It should be noted that described control output module adopts triode 9013.The input DK of this circuit, from main control module, accepts the control signal from CPU, is driven by triode T5, coordinates drive relay to control with faulty action preventing module.
In addition, described main control module adopts single-chip microcomputer 89C2051.This circuit take 89C2051 as the core circuit of CPU, and its accepts detection data from signal conversion module and other input, after carrying out data processing and Logic judgment, carries out controlling and work set by other program; Device U3 and peripheral circuit form an exceptional reset circuit, the reset terminal pin 1 (RST) of CPU is connected to by the emitter RST end of triode T6, its input CLR is from the pin 14 (CLR) of CPU, its function is when CPU crashes due to certain accidental cause, it can produce a reset signal, reset CPU, makes CPU again normally work.
The experiment porch of this embodiment passes through the on/off of the switch in circuit, each functional module is separated, combination, produce different situations and parameter, make student to each self-applying of each functional module, interact, the matching relationship between front stage has more directly perceived and more deep understanding, sets up a complete system concept.
The experiment effect of this embodiment is all obviously better than originally single-minded, discrete traditional experiment.This platform is on circuit kit on the other hand, be made up of the integrated circuit of novel function advanced person, by different separation, combination, complete multiple experiment, that is this platform just can complete traditional signal amplification test, parallel moving of signal is tested, analog to digital conversion is tested, and automatic control system is tested, automatic experiments of measuring etc.Economically, spatially all save ample resources, the more important thing is the knowledge understanding of this equipment to student, the reinforcement of manipulative ability, the study of new technology is all obviously better than traditional experiment equipment in effect.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a Universal Automatic Control System teaching experiment platform, it is characterized in that, comprise signal amplification module, signal conversion module, parallel moving of signal module, linearization block and analog-to-digital conversion module, signal amplification module, signal conversion module, parallel moving of signal module, linearization block are connected successively with analog-to-digital conversion module, analog-to-digital conversion module is connected with main control module, and main control module selects module to be connected with faulty action preventing module with Keysheet module, display module, control output module, condition respectively; Described signal amplification module is also by switch connection signal translation module.
2. a kind of Universal Automatic Control System teaching experiment platform according to claim 1, it is characterized in that, described signal amplification module adopts amplifier INA128, and 5 pin of amplifier INA128 connect 1 pin of the first diode D1 positive pole in parallel moving of signal module, C3 negative pole, C6 one end and chip MAX764 by the 4th resistance R4, the 5th resistance R5.
3. a kind of Universal Automatic Control System teaching experiment platform according to claim 1, is characterized in that, described signaling conversion circuit adopts analog to digital converter 2543.
4. a kind of Universal Automatic Control System teaching experiment platform according to claim 1, is characterized in that, described faulty action preventing module adopts timer 555.
5. a kind of Universal Automatic Control System teaching experiment platform according to claim 1, is characterized in that, described control output module adopts triode 9013.
6. a kind of Universal Automatic Control System teaching experiment platform according to claim 1, is characterized in that, described main control module adopts single-chip microcomputer 89C2051.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516712.4U CN204087644U (en) | 2014-09-03 | 2014-09-03 | A kind of Universal Automatic Control System teaching experiment platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516712.4U CN204087644U (en) | 2014-09-03 | 2014-09-03 | A kind of Universal Automatic Control System teaching experiment platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204087644U true CN204087644U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420516712.4U Expired - Fee Related CN204087644U (en) | 2014-09-03 | 2014-09-03 | A kind of Universal Automatic Control System teaching experiment platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204087644U (en) |
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2014
- 2014-09-03 CN CN201420516712.4U patent/CN204087644U/en not_active Expired - Fee Related
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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: 20150107 Termination date: 20150903 |
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| EXPY | Termination of patent right or utility model |