CN201594325U - Singlechip practical teaching platform for non-electrical speciality - Google Patents

Abstract

The utility model provides a singlechip practical teaching platform for non-electrical speciality. The undergraduate of non-electrical speciality knows insufficient leading knowledge on singlechip technology, has weak related basis, mainly utilizes the traditional singlechip teaching mode which gives priority to the theoretical teaching in the class and supplementation to the verification test, thus resulting in the situation that the teacher is difficult to teach and the students are difficult to learn, and not being suitable for the practical teaching on the undergraduate in the non-electrical speciality. The singlechip practical teaching platform for non-electrical speciality comprises a case (1) which is internally provided with an alternating current/direct current converting module (2); the alternating current/direct current converting module (2) is connected with an analog/digit converting module (3); the analog/digit converting module (3) is connected with a singlechip minimum system plate (4) that is connected with a human-machine interface module (5); and the case is also internally provided with a singlechip simulation/user plate (6). The singlechip practical teaching platform is used for the practical teaching of singlechip application technology of non-electrical speciality.

Description

Non-electric class specialty single-chip microcomputer practical teaching platform

Technical field:

The utility model relates to a kind of equipment that non-electric class specialty single-chip microcomputer practical teaching is used that is used for, and is specifically related to a kind of non-electric class specialty single-chip microcomputer practical teaching platform.

Background technology:

Along with the infiltration of single-chip microcomputer application to every field, the teaching of carrying out single-chip microcomputer and related content thereof in the non-electric class specialty of science and engineering institution of higher learning just progressively obtains paying close attention to and paying attention to.The non-electric class professional undergraduate study of new period science and engineering, grasp single-chip microcomputer application technology, can enlarge the student field of obtaining employment, improve the employment probability, can strengthen multidisciplinary synthesis and creativity consciousness again, for high-level applied, the compound engineering talent is brought up in the construction and the development of country.Yet, the leading knowledge deficiency of non-electric class professional undergraduate study singlechip technology, relevant weak foundation, it is main prolonging with the classroom theory teaching, confirmatory experiment is traditional single chip computer teaching pattern of assisting, the situation that must cause the difficult religion of teacher, student to find it difficult to learn is unsuitable for non-electric class professional undergraduate is implemented teaching.Therefore, we are on the basis of teaching practice for many years, and thought and the practical teaching hardware module inquired in the teaching of non-electric class specialty single-chip microcomputer application technology the Task-type teaching method organically combine, and make up non-electric class specialty single-chip microcomputer practical teaching platform.The actual life that is closely connected and professional knowledge, form comprehensive good, experimental project or case history that practicality is strong, excite student's learning initiative, make the student experience the real purposes of single-chip microcomputer in practice, constantly comprehend the knowwhy and the in-depth of single-chip microcomputer, cultivate the ability of innovation ability of students and solution practical problems.

Summary of the invention:

The purpose of this utility model is around the concrete application of single-chip microcomputer in safety detection, and some single-chip microcomputer practical teaching hardware modules are provided, and makes up non-electric class specialty single-chip microcomputer practical teaching platform.

Above-mentioned purpose realizes by following technical scheme:

Non-electric class specialty single-chip microcomputer practical teaching platform, its composition comprises: cabinet, the AC/DC modular converter is housed in the described cabinet, described AC/DC modular converter connection mode/number conversion module, described mould/number conversion module connects the single-chip minimum system plate, described single-chip minimum system plate connects human-computer interface module, and one-chip machine simulation/user's plate also is housed in the described cabinet.

Described non-electric class specialty single-chip microcomputer practical teaching platform, described one-chip machine simulation/user's plate is equipped with by 51 series monolithic chips of emulation, the described switch that is connected its input state of emulation by all I/O mouths of 51 series monolithic chips of emulation, described all I/O mouths by 51 series monolithic chips of emulation connect the LED light emitting diode that shows its output state, and described all I/O mouths by 51 series monolithic chips of emulation are also connected to the I/O terminal that expanding system is used.、

Described non-electric class specialty single-chip microcomputer practical teaching platform, the microprocessor of described single-chip minimum system plate is AT89 * 51 series monolithics of American ATMEL; Described single-chip minimum system plate has two single-chip microcomputer sockets and ISP interface; Described human-computer interface module adopts 128 * 64 graphic lcd display screens, also can adopt eight high-brightness LED charactrons; Described mould/number conversion module adopts the ICL7135 monolithic double integrator mould/number conversion circuit of American I NTERSIL company; Described AC/DC modular converter adopts AD 536 monolithic real effective (rms) AC/DC change-over circuits; One of described single-chip microcomputer socket is 40 pin, and another is 20 pin for described single-chip microcomputer socket.

The beneficial effects of the utility model:

1, the utility model connects some single-chip microcomputer practical teaching hardware modules flexibly, can be combined into multiple specific functional module, and then makes up non-electric class specialty single-chip microcomputer practical teaching platform, forms comprehensive good, experimental project or case history that practicality is strong.Both be applicable to the practical teaching of non-electric class specialty single-chip microcomputer application technology, can have carried out the education experiment and the rapid researching of SCM Based safe measurement and control instrument (system) again.

2, one-chip machine simulation of the present utility model/user's plate; Have copying: 20 pin singlechip chips such as the AT89 of the user program that will be cured * 40 pin such as 51/52/55 grade or AT89 * 1051/2051/4051 are inserted into energising operation on emulation/user's plate single-chip microcomputer socket, carry out input state emulation (with the input signal of switch analog subscriber system), output state demonstration (with the duty of LED diode displaying output port) and user program verification, thereby the user program of design is voluntarily carried out preliminary control emulation and operation verification.User function: all (32 or 15) I/O mouths of single-chip microcomputer can both connect outward by terminal on emulation/user's plate, are convenient to form fast custom system.If the hardware circuit (switch, relay, signal lamp, sensor, keyboard and LED charactron etc.) that will design is voluntarily received the I/O terminal of emulation/user's plate, can constitute the custom system of oneself fast, the cycle of save design, making user's printed circuit board (PCB).For example " LED shows human-computer interface module " linked emulation/user's plate I/O terminals P 1, P3, the custom system that can form single-chip microcomputer timing or frequency measurement, experiment, exploitation and the making of single-chip microcomputer application product such as tester when realizing electronic counter, electronic stopclock, electronic clock, frequency meter, digital measuring apparatus, man-machine reaction.

3, single-chip minimum system plate of the present utility model; Have two single-chip microcomputer sockets (40 pin, 20 pin each 1), can constitute 51 and AT89 * 51 series monolithic minimum systems.The power supply of 5V power supply; The system clock of 12MHz; Automatic/hand resets; All I/O mouths all are connected to lead-out terminal; Can do the core board of scm application system.And have the ISP interface, support the programming and the exploitation of AT89S51 series monolithic.

4, human-computer interface module of the present utility model adopts 128 * 64 graphic lcd display screens; Control is simple, writing is clear, contain much information, and the Hanzify picture and text that can be used as single-chip microcomputer testing tool or singlechip computer system show man-machine information exchange passage.

1/20000) and have the reference voltage source LM 199 (temperature drift: ± 1PPM/ ℃) of calibration cell 5, mould of the present utility model/number conversion module has adopted monolithic double integrator analog to digital converter ICL7135 (resolving power:, guarantee the accuracy and the stability of mould/number conversion module.

6, AC/DC modular converter of the present utility model adopts monolithic real effective (rms) the AC/DC change-over circuit AD 536AK of U.S. AD company; Have the dB output function, can carry out the real effective conversion ac electric, noise parameter etc.

7, the utility model has adopted the box contour structures of integrated portable aluminium alloy, volume is little, in light weight, connection is flexible, control convenience.Be specially adapted to Rapid Combination and become multiple hardware system based on the scm observe and control instrument.

Description of drawings:

Accompanying drawing 1 is a casing structure synoptic diagram of the present utility model.

Accompanying drawing 2 is practical teaching platform circuitry block diagrams of the present utility model.

Accompanying drawing 3 is one-chip machine simulation of the present utility model/user circuit block diagrams.

Accompanying drawing 4 is human-computer interface module circuit theory diagrams of the present utility model.

Accompanying drawing 5 is mould of the present utility model/number revolving die piece circuit theory diagrams.

Accompanying drawing 6 is AC/DC modular converter circuit theory diagrams of the present utility model.

Embodiment

The specific embodiment of the present invention:

Embodiment 1:

Non-electric class specialty single-chip microcomputer practical teaching platform, its composition comprises: cabinet 1, in the described cabinet 1 AC/DC modular converter 2 is housed, described AC/DC modular converter 2 connection modes/number conversion module 3, described mould/number conversion module 3 connects single-chip minimum system plate 4, described single-chip minimum system plate 4 connects human-computer interface module 5, and one-chip machine simulation/user's plate 6 also is housed in the described cabinet.

Embodiment 2:

Embodiment 1 described non-electric class specialty single-chip microcomputer practical teaching platform, described one-chip machine simulation/user's plate 6 is equipped with by 51 series monolithic chips 7 of emulation, the described switch 8 that is connected its input state of emulation by all I/O mouths of 51 series monolithic chips 7 of emulation, described all I/O mouths by 51 series monolithic chips 7 of emulation connect the LED light emitting diode 9 that shows its output state, and described all I/O mouths by 51 series monolithic chips 7 of emulation are also connected to the I/O terminal 10 that expanding system is used.、

Described non-electric class specialty single-chip microcomputer practical teaching platform, the microprocessor of described single-chip minimum system plate is AT89 * 51 series monolithics of American ATMEL; Described single-chip minimum system plate has two single-chip microcomputer sockets and ISP interface; Described human-computer interface module adopts 128 * 64 graphic lcd display screens, also can adopt eight high-brightness LED charactrons; Described mould/number conversion module adopts the ICL7135 monolithic double integrator mould/number conversion circuit of American I NTERSIL company; Described AC/DC modular converter adopts AD 536 monolithic real effective (rms) AC/DC change-over circuits; One of described single-chip microcomputer socket is 40 pin, and another is 20 pin for described single-chip microcomputer socket.

Claims (3)

1. non-electric class specialty single-chip microcomputer practical teaching platform, its composition comprises: cabinet, it is characterized in that: the AC/DC modular converter is housed in the described cabinet, described AC/DC modular converter connection mode/number conversion module, described mould/number conversion module connects the single-chip minimum system plate, described single-chip minimum system plate connects human-computer interface module, and one-chip machine simulation/user's plate also is housed in the described cabinet.

2. non-electric class specialty single-chip microcomputer practical teaching platform according to claim 1, it is characterized in that: described one-chip machine simulation/user's plate is equipped with by 51 series monolithic chips of emulation, the described switch that is connected its input state of emulation by all I/O mouths of 51 series monolithic chips of emulation, described all I/O mouths by 51 series monolithic chips of emulation connect the LED light emitting diode that shows its output state, and described all I/O mouths by 51 series monolithic chips of emulation are also connected to the I/O terminal that expanding system is used.

3. non-electric class specialty single-chip microcomputer practical teaching platform according to claim 1 and 2, it is characterized in that: the microprocessor of described single-chip minimum system plate is AT89 * 51 series monolithics of American ATMEL; Described single-chip minimum system plate has two single-chip microcomputer sockets and ISP interface; Described human-computer interface module adopts 128 * 64 graphic lcd display screens, also can adopt eight high-brightness LED charactrons; Described mould/number conversion module adopts the ICL7135 monolithic double integrator mould/number conversion circuit of American I NTERSIL company; Described AC/DC modular converter adopts AD 536 monolithic real effective (rms) AC/DC change-over circuits; One of described single-chip microcomputer socket is 40 pin, and another is 20 pin for described single-chip microcomputer socket.

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