Electronic picture album for demonstrating digital circuit principle
By designing an electronic drawing album including main control board, function board and cable, the problem of difficult to popularize existing digital circuit teaching aids is solved, and a vivid and intuitive demonstration of the principle of digital circuits is realized, which improves teaching quality and students' learning interest, and reduces the space occupied by teaching aids.
Patent Information
- Application Number
- CN202421758464.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-07-24
AI Technical Summary
The existing teaching aids used to demonstrate the principles of digital circuits are difficult to popularize due to their huge size, special use environment, and high cost, which leads to students' lack of experimental demonstration and verification teaching aids in classroom theoretical teaching, which affects their understanding and digestion of digital circuit theoretical knowledge.
It provides an electronic drawing atlas that demonstrates the principles of digital circuits, including the main control board, function board and cable. It is connected to the functional board components through the electronic drawing atlas controller, and the input and output functional devices are set to realize the intuitive demonstration of the digital circuit.
Through the mutually assisted teaching model of electronic graphics, we can improve teachers' teaching quality, reduce the difficulty of students' understanding of logical content, increase students' interest in learning, lay a solid foundation for theory and experiments, and because of the compact structure, small space, it is convenient to carry and popularize.
Smart Images
Figure CN222927123U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of digital circuits, and particularly to an electronic atlas for demonstrating the principles of digital circuits. Background Art
[0002] Digital circuit is a professional course required for engineering students in universities. In order to enable students to more intuitively understand the principles of digital circuits, teachers usually make corresponding teaching aids to demonstrate the principles of digital circuits.
[0003] However, teaching aids for demonstrating the principles of digital circuits are usually difficult to popularize due to limitations such as large volume, special use environment, and high cost. As a result, in classroom theory teaching, there is a lack of necessary experimental demonstration and verification teaching aids, making it difficult for students to understand and digest theoretical knowledge. Secondly, the traditional classroom teaching mode lacks vivid teaching organization, and long-term theoretical teaching will make students feel fatigued in learning, making it very difficult for students to understand in-depth knowledge and affecting the degree of knowledge acceptance. Therefore, how to vividly and intuitively demonstrate the principles of digital circuits is of great significance for classroom teaching. Content of the Utility Model
[0004] The utility model provides an electronic atlas for demonstrating the principles of digital circuits, so as to achieve the technical effect of vividly and intuitively demonstrating the principles of digital circuits.
[0005] The utility model provides an electronic atlas for demonstrating the principles of digital circuits, including: a main control board, at least two function boards and a cable, wherein the number of the function boards is the same as the number of the cables;
[0006] The main control board includes: an electronic atlas controller and function board components, and is respectively connected to each function board through the cable;
[0007] Input function devices and output function devices of digital circuits are arranged on the function board and are connected to the corresponding function board components through the cable;
[0008] After the electronic atlas controller is connected to each function board component through an on-off control switch, it is connected to the input function device and the output function device on the corresponding function board through the cable.
[0009] Optionally, a main control socket is arranged on the main control board, and the number of the main control sockets is the same as the number of the function boards;
[0010] A function socket is arranged on each function board, and each function socket is connected to the corresponding main control socket through a cable.
[0011] Optionally, the input functional device and the output functional device are connected to the functional socket, and the functional socket is located between the input functional device and the output functional device.
[0012] Optionally, the input functional device includes: a digital quantity input device and an analog quantity input device;
[0013] The digital quantity input device uses a tactile switch. The digital quantity input device includes: a logic input switch, an enable input switch, and a function input switch. The logic input switch, the enable input switch, and the function input switch are connected to the functional socket;
[0014] The analog quantity input device uses a potentiometer, and the potentiometer is connected to the functional socket.
[0015] Optionally, the output functional device uses a light-emitting diode LED. The output functional device includes: a digital quantity output display device and an analog quantity output display device. The digital quantity output display device and the analog quantity output display device are connected to the functional socket;
[0016] The digital quantity output display device includes: q rows and p columns of light-emitting diodes LED. Among them, the 1st to p-1th column of light-emitting diodes LED are used to display the intermediate-stage output result, and the pth column of light-emitting diodes LED is used to display the logic output result.
[0017] Optionally, a first mounting hole is provided on the main control board, and a second mounting hole is provided at a position corresponding to the first mounting hole on each functional board. The functional board and the main control board are bound through the first mounting hole and the corresponding second mounting hole to form a flip-type electronic picture album.
[0018] Optionally, the electronic picture album controller includes: a main control chip, main control board components, and a power supply;
[0019] The main control board components are connected to the main control chip;
[0020] The main control chip is connected to the power supply and is connected to the corresponding functional board through the cable.
[0021] Optionally, the functional board components are connected to the main control chip and the corresponding functional board.
[0022] Optionally, the electronic picture album controller further includes: a functional chip;
[0023] The functional chip is connected to the main control chip and is connected to the functional board through the cable.
[0024] An electronic album for demonstrating the principles of digital circuits provided by the present utility model includes: a main control board, at least two function boards, and a wire harness. Among them, the number of function boards is the same as the number of wire harnesses. The main control board includes an electronic album controller and function board components, and is respectively connected to each function board through the wire harness. Input function devices and output function devices of the digital circuit are arranged on the function board and are connected to the corresponding function board components through the wire harness. After being connected to each function board component through an on-off control switch, the electronic album controller is connected through the wire harness between the input function device and the output function device in the corresponding function board. Applying the solution provided by the present utility model can form the demonstration and verification of the textbook theoretical content during the teaching process related to the working principles of digital logic, achieve a mutual teaching effect between theory and experiment, and improve the teaching quality of teachers. At the same time, it reduces the difficulty for students to understand logical content in the classroom, increases students' learning interest, and lays a solid theoretical and experimental foundation for subsequent courses. While saving teaching and learning time as much as possible, it improves the teaching quality of digital logic basics. Moreover, the structure of the electronic album can greatly reduce the occupied space of the entire teaching aid, is convenient to carry, and has high popularity. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] The drawings described herein are used to provide a further understanding of the present utility model and constitute a part of this application, but do not limit the present utility model. In the drawings:
[0026] Figure 1 is a schematic structural diagram of an electronic album provided by an embodiment of the present utility model;
[0027] Figure 2 is a schematic structural diagram of a main control board provided by an embodiment of the present utility model;
[0028] Figure 3 is a schematic structural diagram of a function board provided by an embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0029] To make the objectives, technical solutions, and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the embodiments and the drawings. Herein, the illustrative embodiments of the present utility model and their descriptions are used to explain the present utility model, but do not limit the present utility model.
[0030] Refer to Figure 1 、 Figure 2 and Figure 3 As shown in, an electronic album for demonstrating the principles of digital circuits provided by an embodiment of the present utility model includes: a main control board, at least two function boards, and a wire harness. Among them, the number of function boards is the same as the number of wire harnesses.
[0031] The main control board includes: an electronic atlas controller and functional board components, which are respectively connected to each functional board through a ribbon cable; the functional board components are the components used to implement the corresponding functions of the functional board. For example, the components used to implement the anti-shake function, the components used to implement the analog-to-digital conversion function, etc.
[0032] The input functional devices and output functional devices of the digital circuit are arranged on the functional board and are connected to the corresponding functional board components through a ribbon cable;
[0033] After being connected to each functional board component through the on-off control switch, the electronic atlas controller is connected to the input functional device and the output functional device on the corresponding functional board through a ribbon cable.
[0034] In order to facilitate the connection between the main control board and the functional board, in implementation, a main control socket can be arranged on the main control board, and the number of main control sockets is the same as the number of functional boards;
[0035] One functional socket is arranged on each functional board, and each functional socket is connected to the corresponding main control socket through a ribbon cable.
[0036] The input functional device and the output functional device are connected to the functional socket, and the functional socket is located between the input functional device and the output functional device.
[0037] In implementation, a first mounting hole is arranged on the main control board, and a second mounting hole is arranged at the corresponding position on each functional board. The functional board and the main control board are bound through the first mounting hole and the corresponding second mounting hole to form a flip-type electronic atlas. The space occupied by the teaching aid is reduced through the electronic atlas structure, which is convenient to carry and has a high popularity.
[0038] In implementation, the input functional device includes: digital input devices and analog input devices;
[0039] The digital input device uses a tactile switch to realize the input of digital signals. The digital input device includes: a logic input switch, an enable input switch, and a function input switch. The logic input switch, the enable input switch, and the function input switch are connected to the functional socket; the analog input device uses a potentiometer to realize the input of analog signals, and the potentiometer is connected to the functional socket.
[0040] The function input switch can include: switches for functions such as wake-up, reset, intermediate-level control, pulse switching control, and manual pulse generation.
[0041] The wake-up function is to wake up the working state of the functional board that currently triggers the wake-up switch. At the same time, the main control board will put the other functional boards into working sleep.
[0042] The above-mentioned reset function can reset the functional board to the initial working state.
[0043] The above intermediate-level control function can turn off or turn on the LEDs indicating the working states of all levels inside the display logic circuit. When the intermediate-level control function is turned on, the working states of all positions in the display logic circuit are shown.
[0044] The above pulse switching control function can realize the selection and use of manual pulses or pulses provided by the system in circuits that require pulses.
[0045] The above manual pulse generation function can provide the pulse source required for the circuit to work by pressing a tactile switch.
[0046] In order to be able to indicate the on / off states of each tactile switch in real time, an LED can be connected in series after each tactile switch, and the on / off state of the tactile switch (0 or 1) is displayed through the LED.
[0047] In implementation, the output functional device uses a light-emitting diode LED. The output functional device includes: a digital quantity output display device and an analog quantity output display device. The digital quantity output display device and the analog quantity output display device are connected to a functional socket; the on / off of the LED is used to reflect the digital output of the 0 or 1 state, and the brightness of the LED is used to reflect the magnitude of the analog signal output.
[0048] The digital quantity output display device includes: q rows and p columns of light-emitting diodes LED. Among them, the 1st to p - 1th column of light-emitting diodes LED are used to display the intermediate-level output results, and the pth column of light-emitting diodes LED is used to display the logic output results.
[0049] In implementation, the electronic atlas controller includes: a main control chip, main control board components, and a power supply;
[0050] The main control board components are connected to the main control chip;
[0051] The main control chip is connected to the power supply and is connected to the corresponding functional board through a cable.
[0052] The main control chip stores a background program for implementing the digital circuit principles demonstrated by each functional board. In implementation, the main control chip can use devices such as a single-chip microcomputer or a microprocessor.
[0053] The main control board components are the necessary electronic components for realizing the complete functions of the main control board. In implementation, the main control board components can include: electronic components such as resistors, capacitors, and crystal oscillators.
[0054] In implementation, the components on the functional board are connected to the main control chip and the corresponding functional board. After the main control chip receives the wake-up signal of a certain functional board, it will call the background program for implementing the digital circuit principle demonstrated by the functional board, and control the on-off switch connected to the components on the functional board based on the background program, so as to activate the components on the functional board for implementing the complete functions of the functional board.
[0055] Specifically, when the main control chip calls the background program, it can pre-record the port numbers for communication between each functional board and the main control chip, and establish the mapping relationship between each port number and the background program. In this way, after the main control chip receives the wake-up signal, it can call the corresponding background program through the port number of the port where the wake-up signal is received.
[0056] In implementation, the electronic atlas controller further includes: a functional chip; the functional chip is connected to the main control chip and is connected to the functional board through a cable. The functional chip is a chip used to expand the functions that the main control chip does not have. For example, a functional chip for port expansion.
[0057] In the actual operation process of using the electronic atlas to demonstrate the digital circuit principle, the user triggers the wake-up switch in the function input switch. After the wake-up switch is triggered, the functional board sends a wake-up signal to the main control board; after the main control chip receives the wake-up signal, it calls the corresponding background program of the functional board, and activates the corresponding components on the functional board by controlling the on-off switch; the user can input digital quantity signals and analog quantity signals to the main control chip through the input functional device; after the main control chip receives the digital quantity signals and analog quantity signals, it obtains the corresponding results based on the called background program, and shows the intermediate output results corresponding to the digital quantity signals by controlling the lighting and extinguishing of the light-emitting diodes LED in the 1st to p - 1 columns, controls the lighting and extinguishing of the light-emitting diodes LED in the pth column to show the final logic output results corresponding to the digital quantity signals, and shows the output results corresponding to the analog quantity signals by the brightness of the analog quantity output display device LED.
[0058] Applying the solution provided by the present utility model, in the teaching process involving the working principle of digital logic, it can form the demonstration and verification of the textbook theoretical content, form a mutual teaching effect between theory and experiment, and improve the teaching quality of teachers; at the same time, in the classroom, it reduces the difficulty for students to understand logical content, improves students' learning interest, and lays a solid theoretical and experimental foundation for subsequent courses; while saving teaching and learning time as much as possible, it improves the teaching quality of digital logic basics. Moreover, the structure of the electronic atlas can greatly reduce the occupied space of the entire teaching aid, is convenient to carry, and has high popularity.
[0059] An embodiment of the present utility model further provides a method for demonstrating the principles of digital circuits, which is applied to an electronic album for demonstrating the principles of digital circuits. The electronic album includes: a main control board, a function board, and a cable. The number of function boards is the same as the number of cables. The main control board includes: an electronic album controller and function board components, and is respectively connected to each function board through the cable. The method includes:
[0060] S400, the function board sends an activation signal to the main control board through the cable;
[0061] S401, the main control board receives the activation signal, determines the background program for implementing the digital circuit principle demonstrated by the function board, and controls the corresponding function board components of the function board to conduct or disconnect;
[0062] S402, the function board sends an input signal to the main control board through the cable;
[0063] S403, the main control board receives the input signal, obtains the output result corresponding to the input signal based on the background program, and transmits the output result to the function board through the cable;
[0064] S404, the function board receives the output result and displays it.
[0065] Applying the solution provided by the present utility model, in the teaching process involving the working principles of digital logic, it is possible to form the demonstration and verification of the textbook theoretical content, form a mutual teaching effect between theory and experiment, and improve the teaching quality of teachers. At the same time, in the classroom, it reduces the difficulty for students to understand logical content, improves students' learning interest, and lays a solid theoretical and experimental foundation for subsequent courses. While saving teaching and learning time as much as possible, it improves the teaching quality of digital logic basics. Moreover, the structure of the electronic album can greatly reduce the occupied space of the entire teaching aid, is convenient to carry, and has high popularity.
[0066] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without more limitations, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.
[0067] Each embodiment in this specification is described in a related manner. For the same or similar parts among the embodiments, reference can be made to each other. Each embodiment focuses on the differences from other embodiments. In particular, for the method embodiments, since they are basically similar to the device embodiments, the description is relatively simple, and for the relevant parts, reference can be made to the partial description of the device embodiments.
[0068] The above description is only for the preferred embodiments of the present invention and is not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are all included in the protection scope of the present invention.
Claims
1. An electronic atlas for demonstrating the principle of digital circuits, characterized in that: include: A main control board, at least two function boards and a flat cable, wherein the number of the function boards is the same as the number of the flat cables; The main control board includes: an electronic atlas controller and functional board components, and each functional board is connected to each other through the flat cable; The function board is provided with input function devices and output function devices of the digital circuit, which are connected to the corresponding components of the function board through the flat cable; The electronic album controller is connected to each of the functional board components through the on-off control switch, and then connected to the input functional device and the output functional device in the corresponding functional board through the flat cable.
2. The electronic atlas as claimed in claim 1, characterized in that: The main control board is provided with main control seats, and the number of the main control seats is the same as the number of the function boards; A function row seat is arranged on each of the function boards, and each of the function row seats is connected to the corresponding main control row seat through a cable.
3. The electronic atlas as claimed in claim 2, characterized in that: The input functional device and the output functional device are connected to the functional seat, and the functional seat is located between the input functional device and the output functional device.
4. The electronic atlas as claimed in claim 3, characterized in that: The input function device includes: a digital input device and an analog input device; The digital quantity input device adopts a touch switch, and the digital quantity input device includes: a logic input switch, an enable input switch and a function input switch, and the logic input switch, the enable input switch and the function input switch are connected to the function seat; The analog quantity input device adopts a potentiometer, and the potentiometer is connected to the function row seat.
5. The electronic atlas as claimed in claim 3, characterized in that: The output function device adopts a light emitting diode LED, and the output function device includes: a digital output display device and an analog output display device, and the digital output display device and the analog output display device are connected to the functional seat; The digital quantity output display device comprises: q rows and p columns of light emitting diodes (LEDs), wherein the light emitting diodes (LEDs) in the 1st to p-1th columns are used to display intermediate level output results, and the light emitting diodes (LEDs) in the pth column are used to display logic output results.
6. The electronic atlas as claimed in claim 1, characterized in that: A first mounting hole is provided on the main control board, and a second mounting hole is provided on each of the function boards at a position corresponding to the first mounting hole. The function boards and the main control board are bound together through the first mounting hole and the corresponding second mounting hole to form a page-turning electronic album.
7. The electronic atlas as claimed in claim 1, characterized in that: The electronic atlas controller includes: a main control chip, main control board components and a power supply; The main control board components are connected to the main control chip; The main control chip is connected to the power supply and is connected to the corresponding function board through the cable.
8. The electronic atlas as claimed in claim 7, characterized in that: The functional board components are connected to the main control chip and the corresponding functional board.
9. The electronic atlas as claimed in claim 7, characterized in that: The electronic atlas controller further includes: a functional chip; The function chip is connected to the main control chip and is connected to the function board through the cable.