KR102424670B1 - Experimental system for learning - Google Patents

Abstract

An experiment system for learning of the present invention includes an experiment device designed to perform multiple experiments in the field of electricity or electronics. The experiment device comprises: a power supply unit capable of outputting multiple types of power supply voltages using a first power supply; a load unit operated by receiving power supply from the power supply unit and equipped with a plurality of experimental loads; a user interface unit receiving information from a user; a connection unit capable of forming or disconnecting a current path for current to flow through the load unit; and a control unit receiving information output from the user interface unit and generating a control signal for controlling the operation of the power supply unit and the connection unit.

Description

EXPERIMENTAL SYSTEM FOR LEARNING

The present invention relates to an experimental system for learning, and more particularly, to an experimental system for learning capable of performing experiments in various electrical and electronic fields by simple manipulation.

Demand for non-face-to-face classes is increasing due to COVID-19. Needless to say, the demand for such non-face-to-face classes is increasing not only for simple lecture-type classes, but also for practical classes such as experiments in electrical or electronic fields.

In the Domestic Registered Utility Model No. 0317867 (elementary electric/electronic circuit multi-function experiment device), electricity is characterized by an activity center that can be enjoyed and interesting by decorating and operating circuits without soldering. A multifunctional learner for an electronic circuit experiment is disclosed.

However, in the case of Domestic Registration Utility Model No. 0317867, when the student and the teacher are in separate places, it is expected that it will be difficult for the teacher to guide the learning, and it is predicted that there is a limit to conducting various experiments non-face-to-face.

The present invention is an invention for the purpose of solving the technical problems as described above. Even when students and teachers are in separate places, learning guidance from the teacher is possible, and various experiments can be conducted non-face-to-face. The purpose is to provide a system.

The experimental system for learning of the present invention includes an experimental device designed to perform a number of experiments in the field of electricity or electronics.

Specifically, the experimental apparatus may include a power supply unit capable of outputting multiple types of power voltages using a first power supply; a load unit operating by receiving power from the power supply unit and having a plurality of experimental loads; a user interface for receiving information from a user; a connection unit capable of forming or releasing a current path through which a current flows through the load unit; and a control unit receiving the information output from the user interface unit and generating a control signal for controlling the operation of the power supply unit and the connection unit.

Preferably, the power supply unit receives a control signal from the control unit, selects one of a plurality of types of power voltages that the power supply unit can supply, and supplies it to the load unit. In addition, the connection part is characterized in that it includes a plurality of switch elements.

When the information input from the user interface unit is a specific experiment related to at least one of the plurality of experimental loads, the control unit is configured to perform the specific experiment via at least one of the plurality of experimental loads provided in the load unit. It is preferable to generate a control signal for controlling only a portion of the plurality of switch elements to be in a conduction state so that a current path for the current corresponding to flow is formed.

In addition, the experimental apparatus may further include a first sensing unit configured to sense the electrical signal output from the load unit, wherein the first sensing unit may include a plurality of amplifiers. In the experimental apparatus, a plurality of switch elements included in the connection unit are controlled by a control signal of the control unit for conducting a specific experiment, so that at least one load among a plurality of experimental loads provided in the load unit and the plurality of It is characterized in that a current path is formed between one of the amplifiers.

Also, the power supply unit may output at least one power voltage using the second power. In addition, it is preferable that the control unit generates a control signal for selecting one of a power voltage output from the first power source and a power voltage output from the second power source. The load unit may receive a power voltage from one of a power voltage output from the first power source and a power voltage output from the second power source selected by the control signal of the controller.

Preferably, the experimental apparatus may further include a second sensing unit for sensing an electrical signal related to a power voltage output from the second power source.

In addition, the control unit may receive a signal from a user terminal connected by communication with the experimental device, and generate a control signal for controlling the operation of the power supply unit and the connection unit.

In addition, the connection unit may include: a first connector including a 6-1st switch to form a current path through which a current flows through at least one load according to conduction of the 6-1st switch; a second switch comprising a 6-2 th switch and a resistor connected in series with the 6-2 th switch to form a current path through which a current flows through at least one load according to the conduction of the 6-2 th switch coupler; A 6-3th switch and a 6-3th diode connected in series with the 6-3th switch are provided so that at least one load connected in parallel with the 6-3th diode according to the conduction of the 6-3th switch is applied. a third connector for forming a current path through which a current flows; a 6-4-1th switch, a 6-4-2th switch, and a 6-4-3th switch, wherein the 6-4-2th switch and the 6-4-3th switch are connected in parallel to each other , the 6-4-1 th switch and the 6-4-2 th switch are connected in series to each other, and the 6-4-1 th switch, the 6-4-2 th switch, and the 6-4-3 th switch a fourth connector configured to form a current path through which current flows through at least one load according to conduction of the switch; A 6-5-1 switch, a 6-5-2 switch, a 6-5-3 switch, and a 6-5 diode, wherein the 6-5-2 switch and the 6-5-3 switch and the 6-5th diode is connected in parallel with each other, and the 6-5-1th switch and the 6-5-2th switch are connected in series with each other, so that the 6-5-1 switch and the 6th switch are connected in series. a fifth connector configured to form a current path through which current flows through at least one load according to the conduction of the -5-2 switch and the 6-5-3 switch; and a 6-6-1 switch, a 6-6-2 switch, and a 6-6-3 switch, wherein the 6-6-1 switch, the 6-6-2 switch, and the 6- Each of the 6-3 switches is connected to at least one load, and the 6-6-1 th switch, the 6-6-2 th switch, and the 6-6-3 th switch are connected in parallel to each other, and the sixth a sixth connector configured to form a current path through which a current flows through at least one load according to conduction of the -6-1 switch, the 6-6-2 switch, and the 6-6-3 switch; Among them, it is characterized in that it contains many.

According to the experimental system for learning of the present invention, simple operation, quick and intuitive result confirmation, and experimentation without deviation are possible by applying the All-In-One concept. In addition, according to the learning experiment system of the present invention, even when the student and the teacher are in separate places, learning guidance from the teacher is possible, and various experiments can be conducted non-face-to-face.

1 is a block diagram of an experimental system for learning according to a preferred embodiment of the present invention.
2 is a circuit diagram of a power supply unit and a second sensing unit;
3 is a circuit diagram of a load unit, a first sensing unit, and a connection unit;

Hereinafter, an experimental system for learning according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. Of course, the following examples of the present invention are not intended to limit or limit the scope of the present invention only to embody the present invention. What can be easily inferred by an expert in the technical field to which the present invention belongs from the detailed description and examples of the present invention is construed as belonging to the scope of the present invention.

First, FIG. 1 is a block diagram of an experimental system 1000 for learning according to a preferred embodiment of the present invention. In addition, FIG. 2 is a circuit diagram of the power supply unit 20 and the second sensing unit 50 , and FIG. 3 is a circuit diagram of the load unit 30 , the first sensing unit 40 , and the connection unit 60 .

Hereinafter, an experimental system 1000 for learning according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3 .

The experimental system 1000 for learning according to a preferred embodiment of the present invention may be configured to include an experimental apparatus 100 and a user terminal 200 .

The experimental apparatus 100 is designed to be capable of conducting a plurality of experiments in the field of electric or electronic fields, and may be configured by at least one circuit board. In addition, the user terminal 200, an application program is installed, may be connected to the experimental apparatus 100 by various wired or wireless communication.

Specifically, the experimental apparatus 100 includes a user interface unit 10 , a power supply unit 20 , a load unit 30 , a first sensing unit 40 , a second sensing unit 50 , a connection unit 60 , It is configured to include a display unit 70 , a control unit 80 , and a communication unit 90 .

The user interface unit 10 serves to receive information from a user, and may be implemented as a button type or may be implemented by a touch type display. Information input from the user interface unit 10 may include, for example, the type of experiment desired by the user. That is, by simply inputting a specific experiment through the user interface unit 10 , the user is able to practice the corresponding experiment.

The power supply unit 20 may be implemented by a circuit including switches SW1 , SW2 , SW3 , SW4 , and SW5 . Specifically, the power supply unit 20 may output a plurality of types of power supply voltages VS by using the first power source V1 . For example, the power supply unit 20, one of the switches SW1, SW2, SW3, SW4 connected to a plurality of batteries using the output of the decoder receiving the control signals Con21 and Con22 by the control unit 80 The power supply voltage VS can be output by selecting and conducting. That is, in this case, the first power source V1 may be a battery.

In addition, the power supply unit 20 may output at least one power supply voltage VS even using the second power source V2 . For example, the second power source V2 may be input from the outside of the experimental apparatus 100 and may be an output voltage by a solar panel for testing the result of solar power generation. Alternatively, the second power source V2 may use an output voltage from the fruit battery.

The load unit 30 is operated by receiving power from the power supply unit 20 , and a plurality of experimental loads L1 , L2 , ..., L9 are provided. Examples of the experimental loads L1, L2, ..., L9 provided in the load unit 30 include a nichrome wire, a melody buzzer, an LED, a motor, a small light bulb, a digital clock, and an inductor.

However, the load unit 30 is provided separately from the main board and at least one experimental load (L1, L2, L3, L6, L7, L8, L9) directly mounted on the main board of the experimental apparatus 100 and the main board. It may be composed of at least one experimental load (L4, L5) that can be electrically connected to. For example, when performing simple motor principle, electromagnet strength, compass experiment, etc., installation of a magnet as well as an inductor as a load is required, so the test load ( It would be desirable to configure L4, L5).

The first sensing unit 40 senses an electrical signal output from the load unit 30 and outputs S1, S2, ..., S6 serve. Specifically, it is preferable that the first sensing unit 40 senses the magnitude of the current flowing through each of the loads L1 , L2 , ..., L9 of the load unit 30 .

In addition, the second sensing unit 50 serves to sense the electric signal S7 related to the power voltage output from the second power source V2. Specifically, it is preferable that the second sensing unit 50 senses a signal corresponding to the level of the power voltage output from the second power source V2.

The connection unit 60 may be configured as a circuit including a plurality of switches SW61, SW62, ..., SW66_3, and serves to form or release a current path for the current to flow through the load unit 30 .

The connector 60 may include a plurality of the first connector 61 to the sixth connector 66 .

The first connector 61 includes a 6-1 th switch SW61, and a current path for flowing a current through the at least one load L1 according to the conduction of the 6-1 th switch SW61 is formed. make it possible The second connector 62 includes a resistor connected in series with the 6-2 th switch SW62 and the 6-2 th switch SW62, and includes at least one load according to the conduction of the 6-2 th switch SW62. A current path for the current to flow through (L2) is formed.

In addition, the third connector 63 includes a 6-3 th diode connected in series with the 6-3 th switch SW63 and the 6-3 th switch SW63, and conduction of the 6-3 th switch SW63 Accordingly, a current path for flowing a current through at least one load L3 connected in parallel with the 6-3 diode is formed. The fourth connector 64 includes a 6-4-1th switch (SW64_1), a 6-4-2th switch (SW64_2), and a 6-4-3th switch (SW64_3), and a 6-4-2th switch (SW64_3) The switch SW64_2 and the 6-4-3 switch SW64_3 are connected in parallel to each other, and the 6-4-1 switch SW64_1 and the 6-4-2 switch SW64_2 are connected in series with each other, According to the conduction of the 6-4-1st switch (SW64_1), the 6-4-2 switch (SW64_2) and the 6-4-3th switch (SW64_3), the current flows through the at least one load (L4) Allow a current path to be formed.

In addition, a 6-5-1th switch (SW65_1), a 6-5-2th switch (SW65_2), a 6-5-3th switch (SW65_3), and a 6-5th diode are provided, and a 6-5-2th switch is provided. The switch SW65_2, the 6-5-3 switch SW65_3, and the 6-5th diode are connected in parallel to each other, and the 6-5-1 switch SW65_1 and the 6-5-2 switch SW65_2 are They are connected in series to each other, and at least one load L5 is loaded according to the conduction of the 6-5-1 switch SW65_1, the 6-5-2 switch SW65_2 and the 6-5-3 switch SW65_3. A current path for the current to flow through is formed. The sixth connector 66 includes a 6-6-1th switch (SW66_1), a 6-6-2th switch (SW66_2), and a 6-6-3th switch (SW66_3), wherein the 6-6-1th switch (SW66_3) The switch SW66_1, the 6-6-2th switch SW66_2, and the 6-6-3th switch SW66_3 are respectively connected to at least one load L6, L7, L8, L9, and the 6-6-th switch SW66_3 The first switch SW66_1, the 6-6-2 switch SW66_2, and the 6-6-3 switch SW66_3 are connected in parallel to each other, and the 6-6-1 switch SW66_1 and the 6-6-th switch SW66_3 are connected in parallel. According to the conduction of the second switch SW66_2 and the 6-6-3th switch SW66_3, a current path for flowing the current through the at least one load L6, L7, L8, and L9 is formed.

The display unit 70 serves to output information such as a power supply voltage VS, a power supply current, a load current, a type of a load and an experimental state input from the control unit 80 using a display. Here, the experimental state means information such as whether the experiment is in progress, whether it has been completed, or whether it is before the start. That is, not only the electrical signal information sensed from the first sensing unit 40 and the second sensing unit 50 from the control unit 80 to the display unit 70 . It is preferable that information such as the experimental state is also input.

The control unit 80 may be implemented using a processor such as an MCU, and receives information output from the user interface unit 10 to control the operations of the power supply unit 20 , the connection unit 60 , and the display unit 70 . It plays a role in generating a control signal.

The communication unit 90 includes a wired or wireless communication module that allows the experimental device 100 to communicate with an external device.

In detail, the generation of the control signal by the control unit 80 will be described below.

That is, the power supply unit 20 receives a control signal from the control unit 80 , selects one of a plurality of types of power voltages that the power supply unit 20 can supply, and supplies it to the load unit 30 .

In addition, the control unit 80, when the information input from the user interface unit 10 is a specific experiment related to at least one of the plurality of experimental loads (L1, L2, ..., L9), the load unit 30 A plurality of switch elements (SW61, SW62, ..., SW66_3) generates a control signal that controls only a part of it to be in the conduction state.

It is preferable that the first sensing unit 40 is implemented as a circuit including a plurality of amplifiers A1, A2, ..., A6, and amplifies and outputs the sensed signal. In addition, the plurality of switch elements SW61, SW62, ..., SW66_3 included in the connection unit 60 are controlled by the control signal of the control unit 80 for carrying out a specific experiment, Preferably, a current path is formed between at least one of the experimental loads L1, L2, ..., L9 and one of the plurality of amplifiers A1, A2, ..., A6.

For reference, in FIG. 3 , the position of the connection unit 60 and the position of the first sensing unit 40 may be interchanged. That is, the first sensing unit 40 comes to the position of the first connector 61 to the sixth connector 66 in FIG. 3 , and the first connector 61 to the first connector 40 is positioned at the position of the first sensing unit 40 . 6 connectors 66 may come.

The controller 80 may generate a control signal for selecting one of the power voltage output from the first power source V1 and the power voltage output from the second power source V2 . At this time, the load unit 30 receives the power supply voltage VS from one of the power voltage output from the first power source V1 and the power voltage output from the second power source V2 selected by the control signal of the control unit 80 . will be supplied

The control unit 80 may receive a signal from the user terminal 200 connected by communication with the experimental apparatus 100 and generate a control signal for controlling the operations of the power supply unit 20 and the connection unit 60 . That is, the user terminal 20 may function including the role of the user interface unit 10 .

Accordingly, when a student is conducting an experiment by using the user interface unit 10 , the teacher may provide a learning guidance using the user terminal 200 .

Alternatively, when the experimental apparatus 100 and the student who is the experimenter are located at a distance, the student may remotely access the experiment apparatus 100 using the user terminal 200 to conduct the experiment. In this case, the experimental apparatus 100 may further include a camera, so that an image obtained by the camera may be monitored by the user terminal 200 for the condition of the corresponding experimental apparatus 100 .

Hereinafter, the overall operation of the experimental system 1000 for learning of the present invention will be described.

If the user has designated the second experiment by the user interface unit 10 or the user terminal 200, the control unit 80 connects the power supply unit 20 and the connection unit 60 to a control signal for conducting the second experiment. will be controlled by According to the second experiment, the LED power supply unit 20, which is the load (L2), supplies power, and the 6-2 switch (SW62) of the second connector 62 connected to the LED, which is the load (L2), conducts, and the user can confirm that the LED, which is the load (L2), lights up.

In addition, if the user has designated the third experiment by the user interface unit 10 or the user terminal 200 , the control unit 80 controls the power supply unit 20 and the connection unit 60 to perform the third experiment. controlled by signals. According to the third experiment, the power supply unit 20 supplies power to the motor, and the 6-3 switch SW63 of the third connector 63 connected to the motor serving as the load L3 conducts, so that the user can see that the motor rotates. can confirm that In addition, the third experiment is also subdivided, and when the level of the power supply voltage VS is changed when supplied by the power supply unit 20, the user can check that the rotation speed of the motor varies according to the level of the power supply voltage VS. .

In addition, if the user has designated the 6-1 experiment by the user interface unit 10 or the user terminal 200, the control unit 80 connects the power supply unit 20 and the connection unit 60 to the 6-1 experiment. It is controlled by a control signal for execution. Among the 4 loads (L6, L7, L8, L9), the 6-6-1 switch (SW66_1), the 6-6-2 switch (SW66_2) and the 6-6-3 switch (SW66_3) connected to the small light bulb At least one is conducting, and it can be confirmed that at least some of the four small light bulbs connected in series and parallel are lit by using the 6-1 experiment, and the change in the current level output from the load unit 30 according to this It can be confirmed through the display unit 70 .

As described above, according to the learning experiment system 1000 of the present invention, an All-In-On concept is applied to various experiments from input of the type of experiment to confirmation of the result by one experimental device 100 . Therefore, it is easy to operate, and it is possible to check the results quickly and intuitively, and it is possible to conduct an experiment without deviation even by a large number of users.

In addition, according to the learning experiment system 1000 of the present invention, even when the student and the teacher are in separate places, it can be seen that learning guidance from the teacher is possible and various experiments can be conducted non-face-to-face.

1000: Experimental system for learning
100: experimental device 200: user terminal
10: user interface unit 20: power supply unit
30: load unit 40: first sensing unit
50: second sensing unit 60: connection unit
70: display unit 80: control unit
90: communication department
L1, L2, L3, L4, L5, L6, L7, L8, L9: load
61, 62, 63, 64, 65, 66: first to sixth connectors

Claims (9)

In the experimental system for learning,
Including, but including; an experimental device designed to be able to conduct a number of experiments in the field of electricity or electronics;
The experimental device is
a power supply unit capable of outputting multiple types of power voltages using the first power; a load unit operating by receiving power from the power supply unit and having a plurality of experimental loads; a user interface for receiving information from a user; a connection unit capable of forming or releasing a current path through which a current flows through the load unit; a control unit receiving the information output from the user interface unit and generating a control signal for controlling the operation of the power supply unit and the connection unit; and a first sensing unit for sensing an electrical signal output from the load unit;
The connection unit includes a plurality of switch elements,
When the information input from the user interface unit is a specific experiment related to at least one of the plurality of experimental loads, the control unit is configured to perform the specific experiment via at least one of the plurality of experimental loads provided in the load unit. generating a control signal for controlling only some of the plurality of switch elements to be in a conductive state so that a current path for the current corresponding to flow is formed,
The first sensing unit includes a plurality of amplifiers,
In the experimental apparatus, a plurality of switch elements included in the connection unit are controlled by a control signal of the control unit for conducting a specific experiment, so that at least one load among a plurality of experimental loads provided in the load unit and the plurality of causing a current path to be formed between one of the amplifiers,
The connection unit may include: a first connector having a 6-1st switch to form a current path through which a current flows through at least one load according to conduction of the 6-1st switch; a second switch comprising a 6-2 th switch and a resistor connected in series with the 6-2 th switch to form a current path through which a current flows through at least one load according to the conduction of the 6-2 th switch coupler; A 6-3th switch and a 6-3th diode connected in series with the 6-3th switch are provided so that at least one load connected in parallel with the 6-3th diode according to the conduction of the 6-3th switch is applied. a third connector for forming a current path through which a current flows; a 6-4-1th switch, a 6-4-2th switch, and a 6-4-3th switch, wherein the 6-4-2th switch and the 6-4-3th switch are connected in parallel to each other , the 6-4-1 th switch and the 6-4-2 th switch are connected in series to each other, and the 6-4-1 th switch, the 6-4-2 th switch, and the 6-4-3 th switch a fourth connector configured to form a current path through which current flows through at least one load according to conduction of the switch; A 6-5-1 switch, a 6-5-2 switch, a 6-5-3 switch, and a 6-5 diode, wherein the 6-5-2 switch and the 6-5-3 switch and the 6-5th diode is connected in parallel with each other, and the 6-5-1th switch and the 6-5-2th switch are connected in series with each other, so that the 6-5-1 switch and the 6th switch are connected in series. a fifth connector configured to form a current path through which current flows through at least one load according to the conduction of the -5-2 switch and the 6-5-3 switch; and a 6-6-1 switch, a 6-6-2 switch, and a 6-6-3 switch, wherein the 6-6-1 switch, the 6-6-2 switch, and the 6- Each of the 6-3 switches is connected to at least one load, and the 6-6-1 th switch, the 6-6-2 th switch, and the 6-6-3 th switch are connected in parallel to each other, and the sixth a sixth connector configured to form a current path through which a current flows through at least one load according to conduction of the -6-1 switch, the 6-6-2 switch, and the 6-6-3 switch; Among them, including many,
At least one load connected to the 6-6-1 switch, the 6-6-2 switch, and the 6-6-3 switch is the same small light bulb. delete According to claim 1,
The power supply unit,
An experiment system for learning, characterized in that receiving a control signal from the control unit, selecting one of a plurality of types of power voltages that the power supply unit can supply, and supplying it to the load unit. delete delete According to claim 1,
The power supply unit,
By using the second power source, at least one power supply voltage may be output,
The control unit is
generating a control signal for selecting one of a power supply voltage output from the first power supply and a power supply voltage output from the second power supply;
The load part,
Experimental system for learning, characterized in that the power supply voltage is supplied from one of the power voltage output from the first power source and the power voltage output from the second power source selected by the control signal of the control unit. 7. The method of claim 6,
The experimental device is
Experimental system for learning, characterized in that it further comprises; a second sensing unit for sensing an electrical signal related to the power voltage output from the second power source. According to claim 1,
The control unit is
Experimental system for learning, characterized in that by receiving a signal from a user terminal connected by communication with the experimental apparatus, it is possible to generate a control signal for controlling the operation of the power supply unit and the connection unit. delete

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