CN206312474U

CN206312474U - A kind of single-chip microcomputer and PLC integrated learning plates

Info

Publication number: CN206312474U
Application number: CN201621290363.4U
Authority: CN
Inventors: 许国强; 冯秀玲
Original assignee: Yuncheng Polytechnic College
Current assignee: Yuncheng Polytechnic College
Priority date: 2016-11-24
Filing date: 2016-11-24
Publication date: 2017-07-07
Anticipated expiration: 2026-11-24

Abstract

The utility model discloses a kind of single-chip microcomputer and PLC integrated learning plates, including micro-control module, switch module, relay module, analog module, communication module and power module, micro-control module includes a single-chip microcomputer, single-chip microcomputer is connected with a monostable circuit, monostable circuit includes a NE555 timers, NE555 timer output ends connect a triode, a switch input/output interface circuit is provided with switch module, switch input/output interface circuit leading portion is provided with a filter circuit, a photoelectrical coupler and pull-up resistor module are additionally provided with switch input/output interface circuit, a linear optical coupling is provided with analog module.The utility model passes through Optimal improvements, with single-chip microcomputer as core control system, an Embedded PLC exploitation learning board is formed with reference to peripheral module, improve overall study Practical Performance, be conducive to student to understand the integrated application of single-chip microcomputer and PLC, improve the flexibility of learning manipulation.

Description

A kind of single-chip microcomputer and PLC integrated learning plates

Technical field

The utility model is related to electronic instruction articles for use equipment technical field, and more particularly to a kind of single-chip microcomputer is comprehensively learned with PLC Practise plate.

Background technology

PLC programmable logic controller (PLC)s have highly important status in automatic field, and it is programmable using a class Memory, for its internally stored program, execution logic computing, sequential control, timing, count with arithmetical operation etc. towards with The instruction at family, and by the various types of machineries of numeral or analog pattern input/output control or production process, while single-chip microcomputer is made It is a kind of IC chip, is the central processing unit with data-handling capacity using very large scale integration technology The function such as CPU, random access memory ram, read only memory ROM, various I/O mouthfuls and interruption system, timer/counter is integrated into The small and perfect microcomputer system constituted on one piece of silicon chip, extensively should also obtain in industrial control field With.Therefore in talent education training, particularly electric mechanical automation etc. specialty, it usually needs be familiar with grasp PLC may be programmed The related work principle and technology of logic controller and single-chip microcomputer.

The teaching of vocational education is directly connected to the quality of labourer and specialized personnel, to cultivate possess high-quality synthesis should Use the type talent, it is necessary to establish the Guidelines for being this with ability, make great efforts to explore skill teaching innovation, study in order to practise, reach Improve constantly the education purpose of actual integration capability.In electronic engineering teaching, the simulation and training operation of single-chip microcomputer or PLC is must Indispensable course, but the simulation learning plate having on existing market usually single-chip learning plate or PLC practice boards, its Suitable for corresponding course teaching, it is impossible to obtain contrasting blended learning, cause students intuitively to be contrasted study, deposit In larger limitation.

Utility model content

The utility model solves above-mentioned deficiency, there is provided a kind of single-chip microcomputer and PLC integrated learning plates, with single-chip microcomputer as core Control system, Embedded PLC exploitation learning board is formed with reference to peripheral module, is conducive to student to understand single-chip microcomputer and PLC Integrated application.

The technical problem that the utility model is solved can be realized using following technical scheme：

A kind of single-chip microcomputer and PLC integrated learning plates, including micro-control module, switch module, relay module, analog quantity mould Block, communication module and power module, the micro-control module include a single-chip microcomputer, and the single-chip microcomputer is connected with monostable electricity Road, the monostable circuit includes a NE555 timers, and the NE555 timer output ends connect a triode, the switch A switch input/output interface circuit is provided with module, the switch input/output interface circuit leading portion is provided with a filter circuit, A photoelectrical coupler and pull-up resistor module are additionally provided with the switch input/output interface circuit, are set in the analog module There is a linear optical coupling.

The single-chip microcomputer uses LPC2294 chips.

The linear optical coupling uses HCNR201.

The communication module is made up of RS485 interfaces and CAN interface.

The utility model by having the advantages that compared with prior art：The utility model passes through Optimal improvements, With single-chip microcomputer as core control system, an Embedded PLC exploitation learning board is formed with reference to peripheral module, improve overall study Practical Performance, is conducive to student to understand the integrated application of single-chip microcomputer and PLC, improves the flexibility of learning manipulation.

The characteristics of the utility model, see the detailed description of this case schema and following preferable implementation method and obtain clear Ground understands.

Brief description of the drawings

Fig. 1 is overall control structure schematic diagram of the present utility model；

Fig. 2 is switch input/output interface circuit schematic diagram of the present utility model；

Fig. 3 is monostable circuit schematic diagram of the present utility model；

Fig. 4 is analog module circuit diagram of the present utility model.

Specific embodiment

In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under Face combines and is specifically illustrating, and the utility model is expanded on further.

As shown in Figures 1 to 4, the utility model is provided a kind of single-chip microcomputer and PLC integrated learning plates, including micro-control molding Block 2, switch module 7, relay module 6, analog module 5, communication module 4 and power module 3, micro-control module 2 include one Single-chip microcomputer 21, single-chip microcomputer 21 uses LPC2294 chips, single-chip microcomputer 21 to be connected with a monostable circuit 1, and monostable circuit 1 is wrapped A NE555 timers are included, NE555 timer output ends connect a triode, and setting up monostable circuit 1 can ensure relay mould The stabilization output of block 6, is provided with a switch input/output interface circuit 71 in switch module 7, switch input/output interface circuit 71 Leading portion is provided with a filter circuit, the first-order filtering circuit of filtered electrical routing resistance R1 and electric capacity C1 compositions, it is to avoid interference signal Into, switch input/output interface circuit 71 on be additionally provided with a photoelectrical coupler and pull-up resistor module, pull-up resistor module bag It is input pattern mouthful to include resistance R2 and resistance R3, P0.23 mouthful, by increasing pull-up resistor module mouth line can be avoided hanging, side Just micro-control module 2 is accessed it, and Analog input mModule 5 is used to complete with sensor or expand the signal acquisition of control element A linear optical coupling is provided with input, analog module 5, linear optical coupling uses HCNR201, and setting up linear optical coupling can avoid interference The entrance of signal, and micro-control module 2 is protected, communication module 4 is made up of RS485 interfaces 41 and CAN interface 42.

According to said structure, the utility model be core control system by use single-chip microcomputer 21, facilitate student's understanding with Learn control operation and the connection mode of single-chip microcomputer, an Embedded PLC exploitation learning board is formed with reference to peripheral module, setting is opened Closing module 7 can intuitively understand the input or output of the system amount of opening the light, convenient to different expansion elements with reference to relay module 6, Such as motor part is attached expansion application, and conveniently the parts such as sensor are attached with reference to analog module 5, side Just combine its understanding unlike signal to gather, be conducive to expanding study, while setting different communication module 4 can complete docking difference Equipment, raising uses learning performance.

The utility model is embedding with reference to peripheral module formation one with single-chip microcomputer as core control system by Optimal improvements Enter formula PLC exploitation learning boards, improve overall study Practical Performance, be conducive to student to understand the integrated application of single-chip microcomputer and PLC, Improve the flexibility of learning manipulation.

As known by the technical knowledge, the utility model can be by other essence without departing from its spirit or the reality of essential feature Scheme is applied to realize.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only 's.It is all in the range of the utility model or in the change being equal in the range of the utility model by the utility model bag Contain.

Claims

1. a kind of single-chip microcomputer and PLC integrated learning plates, including micro-control module, switch module, relay module, analog quantity mould Block, communication module and power module, it is characterised in that：The micro-control module includes a single-chip microcomputer, and the single-chip microcomputer connection sets There is a monostable circuit, the monostable circuit includes a NE555 timers, the NE555 timer output ends connection one or three Pole pipe, is provided with a switch input/output interface circuit in the switch module, the switch input/output interface circuit leading portion sets There is a filter circuit, a photoelectrical coupler and pull-up resistor module are additionally provided with the switch input/output interface circuit, it is described A linear optical coupling is provided with analog module.

2. a kind of single-chip microcomputer according to claim 1 and PLC integrated learning plates, it is characterised in that：The single-chip microcomputer is used LPC2294 chips.

3. a kind of single-chip microcomputer according to claim 1 and PLC integrated learning plates, it is characterised in that：The linear optical coupling is adopted Use HCNR201.

4. a kind of single-chip microcomputer according to claim 1 and PLC integrated learning plates, it is characterised in that：The communication module by RS485 interfaces and CAN interface are constituted.