CN109754683A - A kind of half full-scale investigation device of PLC towards classroom instruction - Google Patents
A kind of half full-scale investigation device of PLC towards classroom instruction Download PDFInfo
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- CN109754683A CN109754683A CN201910159241.3A CN201910159241A CN109754683A CN 109754683 A CN109754683 A CN 109754683A CN 201910159241 A CN201910159241 A CN 201910159241A CN 109754683 A CN109754683 A CN 109754683A
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- classroom instruction
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Abstract
For the effect for improving the course classroom instruction of PLC class, a kind of half full-scale investigation device of PLC towards classroom instruction, including virtual controlled device, entity PLC, programming/debugging computer are devised；The programming/debugging computer connection entity PLC wireless signal；The virtual controlled device includes teacher's computers, controlled device I/O interface box, classroom optical projection system；The teacher's computers are equipped with configuration software；There is plant model in the configuration software；The wireless signal of the teacher's computers connection controlled device I/O interface box；The controlled device I/O interface box and entity PLC carry out Hardware I/O wiring.The present invention solves the problems, such as that traditional PLC experimental bench is difficult to use in classroom instruction, obtains satisfactory effect in teaching application.
Description
Technical field
The present invention relates to a kind of PLC experimental provisions, and specifically a kind of half full-scale investigation of PLC towards classroom instruction fills
It sets.
Background technique
Currently, many colleges and universities have all opened up programmable logic controller (PLC) (PLC) class course, such curriculum requirements theory and reality
It tramples and is intimately associated.The practicality for being how to improve classroom instruction is suffered from a problem that in course teaching.Solve the problems, such as this
Effective way be that theory and practice is imparted knowledge to students to carry out in classroom simultaneously, realization theory knowledge is in application, analysis, evaluation and wound
The higher cognitive of make etc..Traditional PLC experimental bench is because one-to-manyly bulky, controlled device is single, it is every to be connected to
The reasons such as position student, it is difficult to be applied to PLC classroom instruction.Therefore, each colleges and universities urgently need a kind of PLC of suitable classroom instruction
Experimental provision replaces original device.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide a kind of, half full-scale investigation of PLC towards classroom instruction is filled
It sets, classroom instruction can be well adapted for, comprehensively exercise student ' ability.
The technical scheme adopted by the invention is that:
A kind of half full-scale investigation device of PLC towards classroom instruction, it is characterised in that: including virtual controlled device, entity PLC,
Programming/debugging computer；
The communication modes of the entity PLC and the programming/debugging computer are wireless telecommunications；
The virtual controlled device includes teacher's computers, classroom optical projection system, controlled device I/O interface box；
The communication modes of the teacher's computers and the controlled device I/O interface box are wireless telecommunications；
The teacher's computers are equipped with configuration software；There is plant model in the configuration software；
The communication modes of the teacher's computers and the controlled device I/O interface box are wireless telecommunications；Classroom projection system
System is connected to teacher's computers in succession；
The controlled device I/O interface box and the entity PLC carry out I/O wiring.
Compared with the prior art, the advantages of the present invention are as follows:
(1) by controlled device virtualization and programmable, with classroom, projection arrangement is combined, and keeps experimentation more intuitive, empty
Quasi- control object model can carry out arbitrarily devised according to knowledge point；
(2) hardware interface of virtual controlled device is devised, convenient for carrying out the teaching of hardware knowledge and the forging of students ' practical ability
Refining；
(3) in addition to I/O wiring, other connections are all realized using communication, so that each student can participate in reality
The links tested；
(4) entire experimental provision is small and exquisite, light, portable, uses convenient for teacher in classroom teaching.
Detailed description of the invention
Fig. 1 is the experimental provision composition figure；
Fig. 2 is the controlled device I/O interface box structure chart；
Fig. 3 is the entity PLC structure chart.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in detail.
A kind of composition figure of classroom instruction experimental provision in kind of PLC half towards " overturning classroom " as shown in Figure 1, including
Virtual controlled device, entity PLC, programming/debugging computer.
The virtual controlled device includes teacher's computers, classroom optical projection system, controlled device I/O interface box；The religion
Teacher's computer is equipped with configuration software, does appropriate simplification according to the shape of practical controlled device, makes controlled device by configuration software
Model can control the virtual controlled device by way of changing the variate-value in model；The controlled device I/O interface box
Then the variable in model is corresponded on actual input/output signal circuit, carries out model with entity PLC actual
I/O patching operations；The wireless signal of teacher's computers connection controlled device I/O interface box；Classroom optical projection system connects teacher's meter
Calculation machine, and show plant model, it is convenient for observation of students；Programming/debugging computer is all connected with the wireless signal of entity PLC,
Program is facilitated to download and debug.Controlled device I/O interface.
Fig. 2 show the embodiment of controlled device I/O interface box.As shown in Fig. 2, the controlled device I/O interface luggage
Include intelligent I/O module, wireless routing module 1, patch panel and power module；Intelligent I/O module can pass through wireless ether
Net is corresponding with the channel I/O of itself by the variable in model, to keep controlled device I/O interface box logical as actual I/O
Road；Wireless routing module 1 realizes the wireless telecommunications between intelligent I/O module and teacher's computers；Patch panel connection intelligence
All channels I/O of I/O module, wiring when facilitating experiment；Power module is other module for power supply in I/O interface box.
Fig. 3 show the embodiment of entity PLC.As shown in figure 3, the entity PLC includes wireless routing module 2, PLC mould
Block and patch terminal block；Wireless routing module 2 realizes the wireless telecommunications between PLC module and programming/debugging computer；PLC
All ports I/O of module are transferred to patch terminal block, are by the patch panel wiring of itself and controlled device I/O interface box
Achievable I/O patching operations.
The working principle of experimental provision is: the variable in virtual controlled device changes and leads to corresponding intelligent I/
The output channel state of O module changes, and has signal input with these channel attached PLC input ports, so that control PLC is transported
Row；Meanwhile from output port feedback signal after PLC operation program, the input channel state of intelligence I/O module connected to it changes
Become, so that corresponding variable changes in model, virtual plant model movement.
Teaching in use, teacher by the wireless signal of teacher's computers connection controlled device I/O interface box, and will virtual quilt
It controls object to launch onto screen, owner in classroom is allowed to watch；The personal computer of student is as programming/debugging computer, all
The wireless signal of entity PLC is connected, then according to requiring to write program and download in entity PLC, and is connected with patch real
Body PLC and controlled device I/O interface box；Finally, running virtual controlled device and PLC, teachers and students observe jointly, analyze and solve
The problem of being likely to occur.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of half full-scale investigation device of PLC towards classroom instruction, it is characterised in that: including virtual controlled device, entity
PLC, programming/debugging computer.
2. a kind of half full-scale investigation device of PLC towards classroom instruction according to claim 1, it is characterised in that: described
The communication modes of entity PLC and the programming/debugging computer are wireless telecommunications.
3. a kind of half full-scale investigation device of PLC towards classroom instruction according to claim 1, it is characterised in that: described
Virtual controlled device includes teacher's computers, classroom optical projection system, controlled device I/O interface box.
4. a kind of half full-scale investigation device of PLC towards classroom instruction according to claim 3, it is characterised in that: described
Teacher's computers are equipped with configuration software；There is plant model in the configuration software.
5. a kind of half full-scale investigation device of PLC towards classroom instruction according to claim 3, it is characterised in that: described
The communication modes of teacher's computers and the controlled device I/O interface box are wireless telecommunications；The classroom optical projection system connects in succession
To teacher's computers.
6. a kind of half full-scale investigation device of PLC towards classroom instruction according to claim 3, it is characterised in that: described
Controlled device I/O interface box and the entity PLC carry out I/O connection.
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| CN201910159241.3A CN109754683A (en) | 2019-03-04 | 2019-03-04 | A kind of half full-scale investigation device of PLC towards classroom instruction |
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| CN201910159241.3A CN109754683A (en) | 2019-03-04 | 2019-03-04 | A kind of half full-scale investigation device of PLC towards classroom instruction |
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Cited By (2)
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| CN110459108A (en) * | 2019-08-14 | 2019-11-15 | 中国矿业大学 | A kind of programmable half controlled device in kind of Control-oriented class experimental teaching |
| CN113658491A (en) * | 2021-05-21 | 2021-11-16 | 常州工学院 | Virtual process control experimental device |
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