CN204270544U - Based on the portable experimental provision of STC single-chip microcomputer - Google Patents
Based on the portable experimental provision of STC single-chip microcomputer Download PDFInfo
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- CN204270544U CN204270544U CN201420715227.XU CN201420715227U CN204270544U CN 204270544 U CN204270544 U CN 204270544U CN 201420715227 U CN201420715227 U CN 201420715227U CN 204270544 U CN204270544 U CN 204270544U
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Abstract
The utility model discloses a kind of portable experimental provision based on STC single-chip microcomputer, this device comprises: arrange STC one-chip computer module, usb interface module, keyboard input module, result display module and experiment module in the circuit board, STC one-chip computer module is connected with experiment PC by usb interface module, and keyboard input module, result display module and experiment module are connected with STC one-chip computer module respectively; Experiment module comprises infrared communication unit, RS-485 communication unit, Hall element, vibration transducer, driving stepper motor unit and eeprom memory unit.The utility model can realize multiple computer architecture and interface experiment, and concrete structure is simply compact, cost of manufacture is low, use and advantage easy to carry.
Description
Technical field
The utility model relates to the field of experiment equipment of electrical application technology, particularly relates to a kind of portable experimental provision based on STC single-chip microcomputer.
Background technology
Microprocessor based protection course is computing machine, electronics, the core curriculum of communication class specialty in electrical application technology, mainly studies the composition of microcomputer, principle and Peripheral Interface, has very strong practicality.The design of Principle of the computer and interface is in the bottom in computing machine hierarchical structure, it belongs to the kernel of computing machine, be the basis forming computing machine and other digital display circuit, therefore require that student not only needs to be grasped ultimate principle, the more important thing is the practical operation and manipulative ability that need exercise student '.But the experimental box mostly adopting bread board-like for computer architecture and interface experiment at present, it has following problem: 1) need optional equipment downloading wire, power lead, Serial Port Line etc., cost of manufacture is high, experimental facilities is made to be in state in short supply comparatively speaking, normally an experimental box is jointly used by multiple student in field research process, the demand of each student experimental box in current novelty teaching reform cannot be met, be unfavorable for guiding and the interest promoting students' participation practical training; 2) resource-constrained comprised, only can specifically test, and cannot meet the requirement of kinds of experiments course.
Utility model content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art, provide a kind of simple and compact for structure, cost of manufacture is low, can realize multiple computer architecture and interface experiment, use and the portable experimental provision based on STC single-chip microcomputer easy to carry.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is:
A kind of portable experimental provision based on STC single-chip microcomputer, comprise: STC one-chip computer module, usb interface module, keyboard input module, result display module and experiment module is in the circuit board set, described STC one-chip computer module is connected with experiment PC by usb interface module, and described keyboard input module, described result display module and described experiment module are connected with described STC one-chip computer module respectively; Described experiment module comprises infrared communication unit, RS-485 communication unit, Hall element, vibration transducer, driving stepper motor unit and eeprom memory unit.
As further improvement of the utility model: described usb interface module is the Mini-USB interface with download, serial data communication and single power supply function of supplying power.
As further improvement of the utility model: described experiment module also comprises real time clock unit.
As further improvement of the utility model: described experiment module also comprises hummer unit.
As further improvement of the utility model: described experiment module also comprises radio unit.
As further improvement of the utility model: described experiment module also block comprises light sensor and heat sensitive sensor.
As further improvement of the utility model: described keyboard input module comprises navigation keys and keyswitch.
As further improvement of the utility model: described result display module comprises diode display unit and numeral method unit.
As further improvement of the utility model: also comprise multiple external interface, described external interface comprises binary channels voltage detecting interface, ultrasonic ranging interface and external stepper motor interface.
Compared with prior art, the utility model has the advantage of: the utility model is undertaken alternately by STC one-chip computer module and experiment PC, control to perform each experimental considerations unit in experiment module, multiple computer architecture and interface experiment can be realized; Adopt the small and exquisite form of wiring board easily simultaneously, use, easy to carry and cost of manufacture is low, effectively can solve University's Experimental Equipment problem in short supply.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment based on the portable experimental provision of STC single-chip microcomputer.
Fig. 2 is the structural principle schematic diagram of the utility model embodiment based on the portable experimental provision of STC single-chip microcomputer.
Fig. 3 be in the utility model embodiment real time clock unit realize principle schematic.
Fig. 4 be in the utility model embodiment radio unit realize principle schematic.
Embodiment
Below in conjunction with Figure of description and concrete preferred embodiment, the utility model is further described, but does not therefore limit protection domain of the present utility model.
As shown in Figure 1, 2, the present embodiment comprises setting STC one-chip computer module in the circuit board, usb interface module, keyboard input module, result display module and experiment module based on the portable experimental provision of STC single-chip microcomputer, STC one-chip computer module is connected with experiment PC by usb interface module, and keyboard input module, result display module and experiment module are connected with STC one-chip computer module respectively; Experiment module comprises infrared communication unit, RS-485 communication unit, Hall element, vibration transducer, driving stepper motor unit and eeprom memory unit.Keyboard input module comprises navigation keys and keyswitch, for inputting data according to demand; Result display module comprises diode display unit and numeral method unit, for showing result.
The single chip circuit that the present embodiment STC one-chip computer module is is acp chip with STC single-chip microcomputer, STC single-chip microcomputer specifically adopts STC 15F2K61S2 single-chip microcomputer, usb interface module comprises USB (universal serial bus) and USB turns serial port unit, numeral method unit is 7 segment numeral pipes and comprises 8 static state/Dynamic Announce, diode display unit comprises 8 LED, and keyboard input module specifically comprises a navigation keys and three keyswitches.During experiment, burning program function is realized by STC burn recording software and reset key, the communication between experiment PC is realized by USB (universal serial bus), executable file experiment PC compiling generation is downloaded to STC one-chip computer module by USB (universal serial bus), carries out operating the checking and functional test that can complete corresponding experiment to related peripherals.The corresponding independently experiential function of each experimental considerations unit in experiment module, wherein infrared communication module is used for utilizing infrared ray to realize data transmission, detection of obstacles function, RS-485 communication module is for using RS-485 Interface realization Serial Communication Function, vibration transducer is used for vibration survey, Hall element is for detecting magnetic field, driving stepper motor module provides stepper motor driving circuit and the interface of reserved external stepper motor, and eeprom memory module is then for storing data.Each experimental considerations unit carries out combination can realize combination experiment, thus can realize the kinds of experiments of design from ball bearing made using to complicated circuit, meets various experiment demand.
By detecting pin voltage value, STC single-chip microcomputer judges whether navigation keys is pressed, select signal can realize the functions such as charactron dynamic scan by control section choosing and position.Infrared communication unit comprises infrared transmitting tube and infrared receiving tube, the infrared light of 38kHz frequency is sent by infrared transmitting tube, and the infrared light of this frequency can by infrared receiving tube identification, exported the pulse signal driving infrared transmitting tube transmission data of 38kHz frequency during experiment by the pin of STC single-chip microcomputer, then receive data by monitoring infrared receiving tube pin level; RS-485 communication unit is communicated by 485 buses, arranges enable signal sending/receiving data during experiment by STC single-chip microcomputer; Driving stepper motor unit realizes driving function by Darlington transistor, arranges corresponding pin value realize stepper motor rotation during experiment by STC single-chip microcomputer; Eeprom memory unit power down can preserve data, is read and write data during experiment by STC single-chip microcomputer according to sequential; STC single-chip microcomputer detects vibration by judging whether the pin of vibration transducer connects, and detects magnetic field by the pin level change detecting Hall element.
The present embodiment complete function and adopt the small and exquisite form of wiring board easily, the area of the above-mentioned portable experimental provision of such as the present embodiment is about 9.5*7cm
2, volume is little, use and easy to carry, and cost of manufacture is low simultaneously, is particularly suitable for promoting in opening experiment in undergraduate course, can meets the experimental facilities demand of each student, improves the interest of students practise training.
In the present embodiment, usb interface module is the Mini-USB interface with download, serial data communication and single power supply function of supplying power, and namely the burning of Mini-USB sets of interfaces, serial data communication and single power supply are powered at one.By the communication of Mini-USB Interface realization and experiment PC, only need the USB line of standard just can carry out communicating, download and powering, and do not need extra specific download line or power source special, easy to use, student can arrive special laboratory and test, thus reduces the expense in laboratory further; On the other hand, STC one-chip computer module is communicated with experiment PC by Mini-USB interface, not only can realize the functional verification of experimental design, can also carry out data interaction as coprocessor and other general micro controller.
In the present embodiment, experiment module also comprises real time clock unit, for providing real time clock information data, can provide the such as information such as perpetual calendar, clock, can be carried out reading or the amendment of information by STC single-chip microcomputer according to sequential.As shown in Figure 3, STC one-chip computer module reads and writes data according to the chip sequential of real time clock unit and can obtain or revise clock information, and an end time is set, if current time namely trigger hummer unit consistent with the end time plays music, and the mode of current time information by dynamic scan is presented on charactron.
In the present embodiment, experiment module also comprises hummer unit, and hummer unit arranges active buzzer, for realizing sounding, warning function, by the pin output audio pulse signal of STC single-chip microcomputer, drives the hummer sounding of hummer unit.
In the present embodiment, experiment module also comprises radio unit, for realizing the functions such as automatic channel search, manual tuning, power down preservation, volume control, and be provided with the interface of peripheral earphone or audio amplifier, as shown in Figure 4, STC one-chip computer module reads and writes data according to sequential and can realize the function such as tuning, volume control.
In the present embodiment, experiment module also comprises light sensor and heat sensitive sensor, and wherein light sensor is for detecting illumination, and heat sensitive sensor is used for measuring tempeature, realizes detecting respectively by STC microprocessor detect magnitude of voltage.
In the present embodiment, also comprise multiple external interface, external interface comprises binary channels voltage detecting interface, ultrasonic ranging interface and external stepper motor interface.By external interface and communication module, can interconnected one-tenth net between multiple above-mentioned portable test unit, thus realize data interaction function.
The experiment content that can carry out based on the portable experimental provision of STC single-chip microcomputer in the present embodiment comprises following six large classes: (1) communication class is tested: RS-485 two machine communication, infrared transmission and reception, upper and lower computer serial communication etc.; (2) modularized experiment and design: eeprom memory is read and write, LED charactron dynamic scan, real-time clock, electronic music etc.; (3) sensor class experiment: vibration transducer, temperature and light shines to be measured, magnetic field detection, inverted sensor etc.; (4) digital display circuit experiment and design: digital clock, ballot device, radio, question-and-answer game apparatus etc.; (5) peripheral hardware class: stepper motor, ultrasonic ranging, weighing measurement, voltage detecting etc.; (6) Electronic Design Competition and Innovation Training design.
The experiment module of the present embodiment includes most basic experiment function, there is abundant experimental resources, the contrived experiment from simple digital circuit to complex digital system can be met completely, volume is little, to use and easy to carry and cost of manufacture is low, be very suitable for the computer architecture and interface experiment of colleges and universities, there is good scalability simultaneously, expansion can be extended design for integrated electronics, on the innovation subjects such as scientific contest, thus realize the through of Scientific Research and Teaching, form postgraduate's scientific research, Undergraduate Graduation Design, undergraduate's Comprehensive Experiment, the system that undergraduate's basic experiment combines with Students' Innovation training plan, for the practice tactics of cultivation utilization student provides resource.
Above-mentioned just preferred embodiment of the present utility model, not does any pro forma restriction to the utility model.Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (9)
1. the portable experimental provision based on STC single-chip microcomputer, it is characterized in that comprising: arrange STC one-chip computer module, usb interface module, keyboard input module, result display module and experiment module in the circuit board, described STC one-chip computer module is connected with experiment PC by usb interface module, and described keyboard input module, described result display module and described experiment module are connected with described STC one-chip computer module respectively; Described experiment module comprises infrared communication unit, RS-485 communication unit, Hall element, vibration transducer, driving stepper motor unit and eeprom memory unit.
2. according to claim 1 based on the portable experimental provision of STC single-chip microcomputer, it is characterized in that: described usb interface module is the Mini-USB interface with download, serial data communication and single power supply function of supplying power.
3., according to claim 2 based on the portable experimental provision of STC single-chip microcomputer, it is characterized in that: described experiment module also comprises real time clock unit.
4., according to claim 3 based on the portable experimental provision of STC single-chip microcomputer, it is characterized in that: described experiment module also comprises hummer unit.
5., according to claim 4 based on the portable experimental provision of STC single-chip microcomputer, it is characterized in that: described experiment module also comprises radio unit.
6., according to claim 5 based on the portable experimental provision of STC single-chip microcomputer, it is characterized in that: described experiment module also comprises light sensor and heat sensitive sensor.
7., according to claim 6 based on the portable experimental provision of STC single-chip microcomputer, it is characterized in that: described keyboard input module comprises navigation keys and keyswitch.
8. according to claim 7 based on the portable experimental provision of STC single-chip microcomputer, it is characterized in that: described result display module comprises diode display unit and numeral method unit.
9. according to the portable experimental provision based on STC single-chip microcomputer described in any one in claim 1 ~ 8, it is characterized in that: also comprise multiple external interface, described external interface comprises binary channels voltage detecting interface, ultrasonic ranging interface and external stepper motor interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420715227.XU CN204270544U (en) | 2014-11-25 | 2014-11-25 | Based on the portable experimental provision of STC single-chip microcomputer |
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| CN201420715227.XU CN204270544U (en) | 2014-11-25 | 2014-11-25 | Based on the portable experimental provision of STC single-chip microcomputer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257452A (en) * | 2018-01-30 | 2018-07-06 | 上海乐田教育科技有限公司 | A kind of vibration module for teaching programming plate |
| CN111402691A (en) * | 2020-04-13 | 2020-07-10 | 浙江科盈新材料科技有限公司 | A intelligent machine dog experimental apparatus for innovation education |
-
2014
- 2014-11-25 CN CN201420715227.XU patent/CN204270544U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257452A (en) * | 2018-01-30 | 2018-07-06 | 上海乐田教育科技有限公司 | A kind of vibration module for teaching programming plate |
| CN111402691A (en) * | 2020-04-13 | 2020-07-10 | 浙江科盈新材料科技有限公司 | A intelligent machine dog experimental apparatus for innovation education |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20201125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |