CN215068839U - Electronic circuit scene teaching and instant combination experiment box - Google Patents

Abstract

Electronic circuit sight teaching and instant combination experimental box relates to teaching equipment technical field, and it includes the box, be equipped with basic main circuit board in the box, be equipped with running water lamp teaching demonstration module on the basic main circuit board, power module, eight logical level output module, power inverter teaching demonstration module, half-wave rectification teaching demonstration module, adjustable direct current constant voltage power supply teaching demonstration module, doorbell circuit teaching demonstration module, modulation doorbell teaching demonstration module, 8 foot integrated IC socket module, 14 foot integrated IC socket module, eight logical level input module, discrete component experiment and the operation platform module that is used for realizing discrete component installation and debugging, discrete component experiment and operation platform module include two at least 16 foot integrated IC socket module. The utility model discloses portable can need not to rely on the singlechip to realize the sight teaching experiment of pure hardware circuit formula to can let the student freely build design circuit module and experiment.

Description

Electronic circuit scene teaching and instant combination experiment box

Technical Field

The utility model relates to a teaching equipment technical field especially indicates an electronic circuit sight teaching and instant combination experimental box.

Background

In the electricity course of colleges and universities, need carry out the teaching of electronic experiment usually, in order to show sight teaching experiment to the student, need go to the electricity laboratory of specialty, the solidification of the teaching experiment device module in the electricity laboratory, the volume is heavy, and sight teaching experiment that can show is too single, can't impart knowledge to students and extends.

Some current electronic circuit sight teaching experimental boxes can solve the problem that can't carry, but it still can't solve teaching module solidification and be difficult to the problem that the teaching expands. Chinese patent CN206441431 discloses a portable single-chip microcomputer scene teaching experiment box capable of being combined in time, which can realize infinite expansion of scene teaching experiments by replacing any single-chip microcomputer teaching demonstration module in an external module insertion gap, but the expanded teaching experiments are experiments for teachers to show students, and the aim that the students want to expand the experiments and freely build design modules cannot be met, and the experiment box needs to realize software control by depending on a single-chip microcomputer minimum system, and has certain difficulty for students in the first order of electrics, and does not have a directly-operated experiment module controlled by pure hardware.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electronic circuit sight teaching and instant combination experimental box, its portable, teaching module demonstration experiment can be realized through pure hardware ization control under the condition that does not have singlechip minimum system to can let the student freely build design circuit module and experiment.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides an electronic circuit sight teaching and instant combination experimental box, the power distribution box comprises a box body, be equipped with basic main circuit board in the box, be equipped with running water lamp teaching demonstration module on the basic main circuit board, light-operated alarm ware teaching demonstration module, acoustic control flash lamp teaching demonstration module, loudspeaker and buzzer alarm module, charactron drive and display module, power module, eight logical level output module, power inverter teaching demonstration module, half-wave rectification teaching demonstration module, electric capacity energy storage time delay lamp teaching demonstration module, active audio amplifier teaching demonstration module, direct current stabilized power supply teaching demonstration module, adjustable direct current stabilized power supply teaching demonstration module, doorbell circuit teaching demonstration module, modulation doorbell teaching demonstration module, audio amplifier teaching demonstration module, 8 foot integrated IC socket module, 14 foot integrated IC socket module, eight logical level input module, The discrete component experiment and operation platform module is used for realizing the installation and debugging of discrete components and comprises at least two 16-pin integrated IC socket modules.

The system further comprises a singlechip minimum system peripheral module, and the singlechip minimum system peripheral module can be connected with an eight-bit logic level input module or a discrete element experiment and operation platform module.

Furthermore, a ward calling system teaching demonstration module is further arranged on the basic main circuit board, and the circuit of the ward calling system teaching demonstration module comprises an 8-3 line priority encoder 74LS148 with 8 signal input ends, a six-input inverter 74LS04 with 6 NOT gates, a common cathode nixie tube and a seven-segment decoder CD4511 for driving the common cathode nixie tube.

Furthermore, an electric power storage device is further arranged in the box body, and a charging interface used for being connected with the electric power storage device is further arranged on the basic main circuit board.

Preferably, the power module is provided with a 3V power output, a 5V power output and a 9V power output.

More preferably, the direct current stabilized power supply teaching demonstration module is provided with an alternating current/direct current dual power supply interface.

The beneficial effects of the utility model reside in that: this electronic circuit sight teaching and instant combination experimental box, the mr can easily take it to the operation of going up in the classroom, and need not to rely on singlechip software system can do the sight teaching experiment of pure hardware circuit formula for the student, moreover, the student can also freely build design experiment module through each discrete component socket of electronic components that discrete component experiment and operation platform module provided, for example, utilize different modules on these discrete component sockets connection experimental box to reach the effect of instant combination, perhaps connect some external resistance when necessary, electric capacity and commonly used electronic component build peripheral circuit, finally realize the electronic circuit sight teaching experiment design different with mr's fixed sight teaching experiment, reach the expansion and the extension of teaching function.

Drawings

Fig. 1 is a schematic overall structure diagram in an embodiment of the present invention;

FIG. 2 is a schematic circuit diagram of a minimum system peripheral module of the single chip microcomputer in the embodiment;

FIG. 3 is a schematic circuit diagram of a water lamp teaching demonstration module in an embodiment;

FIG. 4 is a schematic circuit diagram of a teaching demonstration module of the light-operated alarm in the embodiment;

FIG. 5 is a schematic circuit diagram of an acoustic control flash teaching demonstration module in an embodiment;

FIG. 6 is a circuit diagram of an eight-bit logic level output module according to an embodiment;

FIG. 7 is a schematic circuit diagram of a power inverter teaching demonstration module in an embodiment;

FIG. 8 is a schematic circuit diagram of a half-wave rectification teaching demonstration module in an embodiment;

FIG. 9 is a schematic circuit diagram of a teaching demonstration module of a DC stabilized power supply in an embodiment;

FIG. 10 is a schematic circuit diagram of a tonal modification doorbell teaching demonstration module in an embodiment;

FIG. 11 is a schematic circuit diagram of an audio speaker teaching demonstration module according to an embodiment;

FIG. 12 is a schematic circuit diagram of an 8-pin IC socket module according to an embodiment;

FIG. 13 is a schematic circuit diagram of a 14-pin IC socket module according to the embodiment;

FIG. 14 is a circuit diagram of an embodiment of an eight-bit logic level input module;

fig. 15 is a circuit schematic diagram of the ward calling system teaching demonstration module in the embodiment.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, in the present disclosure, unless explicitly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in figure 1, the electronic circuit scene teaching and instant combination experiment box comprises a box body, a basic main circuit board is arranged in the box body, a running water lamp teaching demonstration module 1, a light-operated alarm teaching demonstration module 2, a sound control flash lamp teaching demonstration module 3, a loudspeaker and buzzer alarm module 4, a nixie tube driving and display module 5, a power supply module 6, an eight-bit logic level output module 7, a power inverter teaching demonstration module 8, a half-wave rectification teaching demonstration module 9, a capacitance energy storage time-delay lamp teaching demonstration module 10, an active sound box teaching demonstration module 11, a direct current stabilized power supply teaching demonstration module 12, an adjustable direct current stabilized power supply teaching demonstration module 13, a doorbell circuit teaching demonstration module 14, an adjustable doorbell teaching demonstration module 15, an audio amplifier teaching demonstration module 17, an 8-pin integrated IC socket module 18, a power supply module, 14-pin integrated IC socket module 19, eight-bit logic level input module 20, discrete component experiment and operation platform module 21 for implementing discrete component installation and debugging, wherein the discrete component experiment and operation platform module 21 comprises at least two 16-pin integrated IC socket modules.

The electronic circuit scene teaching and instant combination experimental box provided by the embodiment can be easily carried to a classroom by a teacher for operation, a scene teaching experiment of a pure hardware circuit type can be made for the student without depending on a single-chip software system, and furthermore, the student can freely build a design experiment module through each discrete component socket of the electronic components provided by the discrete component experiment and the operation platform module 21, for example, the discrete component sockets are connected with different modules on the experimental box to achieve the effect of instant combination, or certain external resistors, capacitors and common electronic elements are connected to build a peripheral circuit as necessary, finally, the electronic circuit scene teaching experiment design different from the fixed scene teaching demonstration experiment of the teacher is realized, and the development and extension of teaching functions are achieved.

Furthermore, when the students freely build the design experiment module, the students can freely combine and build the design experiment module with the discrete element experiment and operation platform module 21, the loudspeaker and buzzer alarm module 4, the nixie tube driving and display module 5, the power supply module 6, the eight-bit logic level output module 7, the 8-pin integrated IC socket module 18, the 14-pin integrated IC socket module 19 and the eight-bit logic level input module 20, while the rest modules are scenario teaching modules designed by teachers according to teaching targets, and each independent module covers corresponding teaching knowledge targets and knowledge points.

Certainly, the experimental box can be connected with a single-chip microcomputer minimum system peripheral module which can be connected with an eight-bit logic level input module 20 or a discrete component experiment and operation platform module 21, so that the experimental box can also be used for performing scene teaching experiments depending on the design of a single-chip microcomputer software system.

It should be noted that, as those skilled in the art should know, the above-mentioned speaker and buzzer alarm module 4 can implement the alarm function of the circuit and the sound effect function corresponding to various control circuits; the nixie tube driving and displaying module 5 can realize the function of output display in a digital circuit; the eight-bit logic level output module 7 can realize 8-path digital logic level output, and the switch realizes the output switching of logic levels 0 and 1; the 8-pin integrated IC socket module 18 is convenient for inserting a digital integrated circuit with 8 pins, and each pin is led out of an independent interface to be convenient for wiring to form a circuit; the 14-pin integrated IC socket module 19 is convenient for inserting a digital integrated circuit with 14 pins, and each pin is led out of an independent interface to be convenient for wiring to form a circuit; the eight-bit logic level input module 20 facilitates insertion of a digital integrated circuit having pins 8, each pin having a separate interface for connection to form a circuit.

In specific experimental teaching, for example, the adjustable dc regulated power supply teaching demonstration module 13 can implement a dc regulated power supply with adjustable voltage output. When students study, the teaching experiment can be carried out independently by dividing the teaching experiment into 5 functional modules. When a 555 timer experiment module is built, teaching experiments can be carried out from five aspects of using a power supply inverter circuit, a rectifying circuit, a filter circuit, a voltage stabilizing circuit and an adjustable voltage stabilizer which are formed by the 555 timer, wherein the power supply inverter circuit can be used for providing power for a circuit by using a power supply module 6, an 8-pin integrated IC socket module 18 is inserted into an 8-pin 555 chip, an independent interface is led out from each pin so as to facilitate wiring to form the circuit, and a discrete component experiment and an operation platform module 21 are used for connecting a resistor, a capacitor and a common electronic element for building a peripheral circuit, so that circuit output parameters or waveform setting is realized; the rectifier circuit uses an alternating current output power supply provided by the power inverter teaching demonstration module 8 as the input of the rectifier circuit, and uses the discrete component experiment and operation platform module 21 to enable students to realize the installation and debugging of discrete components, 4 rectifier diodes form a bridge rectifier circuit, and the 4 diodes are installed on the discrete component experiment and operation platform module 21; the filter circuit uses a discrete component experiment and operation platform module 21, so that students can complete connection according to circuit requirements and load the connection to an output port of the rectifier circuit; the voltage regulator circuit will also be used in the discrete component experiment and operation platform module 21, and is divided into a fixed output integrated voltage regulator and an adjustable output integrated voltage regulator. According to the teaching requirements, students can be respectively connected and finished according to different teaching designs and teaching contents, and the connection is loaded to an output port of the filter circuit, so that a complete controller is finally formed, and the output of the direct current stabilized voltage power supply is realized.

Further, a ward calling system teaching demonstration module 16 is further arranged on the basic main circuit board, as shown in fig. 15, the circuit of the ward calling system teaching demonstration module 16 includes an 8-3 line priority encoder 74LS148 with 8 signal input terminals, a six-input inverter 74LS04 with 6 not gates, a one-bit common cathode nixie tube and a seven-segment decoder CD4511 for driving the one-bit common cathode nixie tube.

Still further, still be equipped with power storage device in the box, still be equipped with the interface 22 that charges that is used for connecting power storage device on the basic main circuit board, power storage device's setting makes this experimental box can break away from the classroom power and use, can stand by the cycle use after charging promptly, makes things convenient for the student to carry, does not receive the place restriction to at the moment of some power failure, the mr still can carry out electronic circuit sight teaching demonstration experiment in the classroom.

It should be mentioned that the power module 6 in the experimental box in this embodiment may adopt a weak current power supply mode, which is safe and reliable.

Preferably, the power module 6 is provided with a 3V power output, a 5V power output and a 9V power output.

More preferably, the teaching demonstration module 12 for a direct current stabilized power supply is provided with an alternating current and direct current dual-power supply interface.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

In order to make it easier for those skilled in the art to understand the improvement of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and in order to clarify, some other elements have been omitted from this document, those skilled in the art should recognize that these omitted elements may also constitute the content of the present invention.

Claims (6)

1. Electronic circuit sight teaching and instant combination experimental box, including the box, its characterized in that: be equipped with basic main circuit board in the box, be equipped with running water lamp teaching demonstration module (1) on the basic main circuit board, light-operated alarm teaching demonstration module (2), acoustic control flash light teaching demonstration module (3), loudspeaker and bee calling organ alarm module (4), charactron drive and display module (5), power module (6), eight logical level output module (7), power inverter teaching demonstration module (8), half-wave rectification teaching demonstration module (9), electric capacity energy storage time delay lamp teaching demonstration module (10), active audio amplifier teaching demonstration module (11), direct current stabilized voltage power supply teaching demonstration module (12), adjustable direct current stabilized voltage power supply teaching demonstration module (13), doorbell circuit teaching demonstration module (14), change accent doorbell teaching demonstration module (15), audio amplifier teaching demonstration module (17), 8 foot integrated IC socket module (18), The device comprises a 14-pin integrated IC socket module (19), an eight-bit logic level input module (20), a discrete component experiment and operation platform module (21) for realizing the installation and debugging of discrete components, wherein the discrete component experiment and operation platform module (21) comprises at least two 16-pin integrated IC socket modules.

2. The electronic circuit scenario teaching and instant combined experimental box of claim 1, wherein: the system also comprises a singlechip minimum system peripheral module which can be connected with an eight-bit logic level input module (20) or a discrete component experiment and operation platform module (21).

3. The electronic circuit scenario teaching and instant combined experimental box of claim 1, wherein: the basic main circuit board is also provided with a ward calling system teaching demonstration module (16), and the circuit of the ward calling system teaching demonstration module (16) comprises an 8-3 line priority encoder 74LS148 with 8 signal input ends, a six-input phase inverter 74LS04 with 6 NOT gates, a common cathode nixie tube and a seven-segment decoder CD4511 for driving the common cathode nixie tube.

4. The electronic circuit scenario teaching and instant combined experimental box of claim 1, wherein: still be equipped with power storage device in the box, still be equipped with on the basis main circuit board and be used for connecting power storage device's interface (22) that charge.

5. The electronic circuit scenario teaching and instant combined experimental box of claim 1, wherein: and the power module (6) is provided with a 3V power output, a 5V power output and a 9V power output.

6. The electronic circuit scenario teaching and instant combined experimental box of claim 1, wherein: the direct-current stabilized power supply teaching demonstration module (12) is provided with an alternating-current and direct-current dual-power supply interface.

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