Analog circuit experiment box

Abstract

The utility model discloses a kind of analog circuit experiment box, belong to electronic teaching field, including box, detection element module, DC adjustable signal source, power module, independent potentiometer group, extension subboard, integrated circuit socket and element library module;The box is equipped with detection element module, DC adjustable signal source, power module, independent potentiometer group, extension subboard and element library module in;Detection element module includes smoke sensor, NTC thermistor and PTC thermistor.The utility model is according to typical example optimization layout, convenient to plug in;Circuit principle shows clearly, intuitive and clear;Make contact more reliable, longer life, learn more than half the effort with less effort;With alarm, automatic recovery function, avoid misoperation to equipment damage;Strong expansibility, facilitate the expansion of new experiment, practical training module;With resource library, facilitate student preview or experimental auxiliary.

Description

Technical Field

[0001] This utility model relates to the field of electronic teaching, specifically an analog circuit experiment box. Background Technology

[0002] Analog circuit experiment boxes play a vital role in many university majors. In learning electronic circuit design, these multifunctional electronic experimental platforms allow students to master the use of relevant instruments and meters, while simultaneously cultivating their hands-on skills and strengthening their understanding of professional knowledge. Analog circuit experiment boxes provide a combination of virtual and real-world experiments for the experimental teaching needs of analog electronics-related courses. They can be used with the Proteus simulation software platform to conduct all experiments using simulation methods, and the simulation results can be verified on actual hardware platforms. Students can understand the technical details of the corresponding experiments through simulation, and gain a practical understanding of the experiments through the actual hardware circuit operation results.

[0003] Existing experimental kits generally do not allow for arbitrary insertion of components or the use of spare parts from the motherboard to form the required experimental circuits, which affects the use of the experiment. Utility Model Content

[0004] To address some existing problems, the purpose of this utility model is to provide a simulation circuit experiment box to solve the problem that the experiment box generally cannot arbitrarily insert components or use spare parts of the motherboard to form the required experimental circuit, which affects the use of the experiment.

[0005] To achieve the above objectives, this utility model provides the following technical solution: An analog circuit experimental box includes a box body, a detection element module, a DC adjustable signal source, a power supply module, an independent potentiometer group, an expansion sub-board, an integrated circuit socket, and a component library module; the box body is equipped with the detection element module, the DC adjustable signal source, the power supply module, the independent potentiometer group, the expansion sub-board, and the component library module; the detection element module includes a smoke sensor, an NTC thermistor, and a PTC thermistor.

[0006] As a further embodiment of this utility model, the power module includes an adjustable power supply, a power interface, and an extended power interface.

[0007] As a further embodiment of this utility model: the component library module includes a transformer, an electronic component selection module, a buzzer, an optocoupler, component sockets, and operational amplifiers.

[0008] As a further aspect of this utility model: the electronic component selection module includes a resistor assembly, a capacitor assembly, a diode assembly, a Zener diode assembly, and a field-effect transistor.

[0009] As a further embodiment of this utility model, the buzzer is provided in two sets.

[0010] As a further aspect of this utility model, the independent potentiometer group includes eight potentiometers.

[0011] As a further embodiment of this utility model, the integrated circuit socket is a round hole type dual in-line integrated circuit socket.

[0012] As a further embodiment of this utility model, the DC adjustable signal source is provided with two channels.

[0013] As a further embodiment of this utility model: the expansion sub-board is any one of the following: OTL power amplifier circuit experimental board, differential amplifier circuit experimental board, single-stage multi-stage negative feedback amplifier circuit experimental board, large-area breadboard, series transistor voltage regulator circuit experimental board, field-effect transistor amplifier circuit experimental board, integrated voltage regulator and adjustable power supply circuit experimental board, sine wave oscillation circuit experimental board, integrated power amplifier circuit experimental board, and integrated operational amplifier circuit experimental board.

[0014] As a further embodiment of this utility model, the box body is made of aluminum alloy.

[0015] Compared with the prior art, the beneficial effects of this utility model are: This utility model features an optimized layout based on typical examples, facilitating easy connection; the circuit principle is clearly and intuitively demonstrated; it ensures more reliable contact, longer lifespan, and more efficient learning; it includes alarm and automatic recovery functions to prevent damage to the equipment due to misoperation; it is highly expandable, facilitating the addition of new experimental and training modules; and it is equipped with a resource library to facilitate student pre-study or experimental assistance. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of an analog circuit experimental box.

[0017] In the diagram: 1. Cabinet; 2. Transformer; 3. Electronic component selection module; 4. Expansion power interface; 5. Buzzer; 6. Optocoupler; 7. Independent potentiometer group; 8. Smoke sensor; 9. NTC thermistor; 10. PTC thermistor; 11. DC adjustable signal source; 12. Adjustable power supply; 13. Power interface; 14. Expansion daughterboard; 15. Component socket; 16. Operational amplifier; 17. Integrated circuit socket. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] Please see Figure 1 An analog circuit experimental box includes a box body 1, a detection element module, a DC adjustable signal source 11, a power supply module, an independent potentiometer group 7, an expansion sub-board 14, an integrated circuit socket 17, and a component library module. The enclosure 1 contains a detection element module, a DC adjustable signal source 11, a power supply module, an independent potentiometer group 7, an expansion sub-board 14, and a component library module; The detection element module includes a smoke sensor 8, an NTC thermistor 9, and a PTC thermistor 10; The power module includes an adjustable power supply 12, a power interface 13, and an expansion power interface 4; The component library module includes transformer 2, electronic component selection module 3, buzzer 5, optocoupler 6, component socket 15, and operational amplifier 16; electronic component selection module 3 includes resistor assembly, capacitor assembly, diode assembly, Zener diode assembly, and field-effect transistor. Buzzer 5 has two sets; The independent potentiometer group 7 includes eight potentiometers; they are independent modules, making them easy to disassemble and maintain. Integrated circuit socket 17 is a round-hole type dual in-line integrated circuit socket: 8 pins 4, 14 feet 4. 24 feet 1.

[0021] Component socket 15 provides several pre-drilled holes on the motherboard for users to install components themselves. The DC adjustable signal source 11 has two channels; The housing 1 is made of aluminum alloy, ensuring the device's sturdiness and safety.

[0022] The expansion sub-board 14 can be any one of the following: OTL power amplifier circuit experimental board, differential amplifier circuit experimental board, single-stage multi-stage negative feedback amplifier circuit experimental board, large-area breadboard, series transistor voltage regulator circuit experimental board, field-effect transistor amplifier circuit experimental board, integrated voltage regulator and adjustable power supply circuit experimental board, sine wave oscillation circuit experimental board, integrated power amplifier circuit experimental board, or integrated operational amplifier circuit experimental board. The experimental circuit is designed as a sub-board module. The module circuit uses high-precision operational amplifiers and can be connected to the experimental box base plate. The module needs to be protected by a transparent shell, and two module circuit boards can be placed in the experimental box at the same time.

[0023] The basic simulation experiments that this invention can perform include emitter follower circuits, field-effect transistor amplifier circuits, dual-ended input summing operational amplifier circuits, DC differential amplifier circuits, addition operational amplifier circuits, subtraction operational amplifier circuits, non-inverting proportional amplifier circuits, inverting proportional amplifier circuits, basic simulation experiments, two-stage AC amplifier circuits with negative feedback, transistor characteristic testing based on transfer characteristic charts, low-frequency power amplifier OTL power amplifier experiments, voltage follower operational amplifiers, and single-stage AC amplifier circuits.

[0024] This invention can complete experiments in low-frequency analog electronics technology courses. Components can be arbitrarily assembled on the experimental box or spare components on the motherboard can be used to form the required experimental circuit. In addition, typical daughterboard circuits can be used, with the internal components clearly visible. It is also equipped with plug wires of varying lengths, making the experiment convenient, quick, and easy to replace damaged components.

[0025] This utility model features an optimized layout based on typical examples, facilitating easy connection; the circuit principle is clearly and intuitively displayed; all experimental projects are equipped with corresponding Proteus simulation experimental projects; gold-plated sockets and lantern-type connectors ensure more reliable contact and longer lifespan; a complete instruction manual and simulation experimental routines make learning more efficient; short-circuit alarm and automatic recovery functions prevent damage to the equipment due to misoperation; strong expandability allows for easy expansion of new experimental and training modules; and a resource library is provided for students' pre-study or experimental assistance.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects; the scope of this invention is defined by the appended claims rather than the foregoing description; and thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution; this narrative style is merely for clarity; those skilled in the art should consider the specification as a whole; the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An analog circuit experiment box, characterized in that, It includes a housing (1), a detection element module, a DC adjustable signal source (11), a power supply module, an independent potentiometer group (7), an expansion sub-board (14), an integrated circuit socket (17), and a component library module; the housing (1) is equipped with a detection element module, a DC adjustable signal source (11), a power supply module, an independent potentiometer group (7), an expansion sub-board (14), and a component library module; the detection element module includes a smoke sensor (8), an NTC thermistor (9), and a PTC thermistor (10).

2. The analog circuit experimental box according to claim 1, characterized in that, The power module includes an adjustable power supply (12), a power interface (13), and an extended power interface (4).

3. The analog circuit experimental box according to claim 2, characterized in that, The component library module includes a transformer (2), an electronic component selection module (3), a buzzer (5), an optocoupler (6), a component socket (15), and an operational amplifier (16).

4. The analog circuit experimental box according to claim 3, characterized in that, The electronic component selection module (3) includes resistor components, capacitor components, diode components, Zener diode components and field-effect transistors.

5. The analog circuit experimental box according to claim 4, characterized in that, The buzzer (5) is provided in two sets.

6. The analog circuit experimental box according to claim 5, characterized in that, The independent potentiometer group (7) includes eight potentiometers.

7. The analog circuit experimental box according to claim 6, characterized in that, The integrated circuit socket (17) is a round hole type dual in-line integrated circuit socket.

8. The analog circuit experimental box according to claim 7, characterized in that, The DC adjustable signal source (11) has two channels.

9. The analog circuit experimental box according to claim 8, characterized in that, The expansion sub-board (14) is any one of the following: OTL power amplifier circuit experimental board, differential amplifier circuit experimental board, single-stage multi-stage negative feedback amplifier circuit experimental board, large-area breadboard, series transistor voltage regulator circuit experimental board, field-effect transistor amplifier circuit experimental board, integrated voltage regulator and adjustable power supply circuit experimental board, sine wave oscillation circuit experimental board, integrated power amplifier circuit experimental board, and integrated operational amplifier circuit experimental board.

10. The analog circuit experimental box according to claim 1, characterized in that, The box (1) is made of aluminum alloy.

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