CN211207733U

CN211207733U - Current flow direction dynamic demonstrator

Info

Publication number: CN211207733U
Application number: CN202020180294.1U
Authority: CN
Inventors: 王成龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-08-07
Anticipated expiration: 2030-02-18

Abstract

The utility model discloses a current flow direction developments demonstration ware, including ya keli board, cell-phone lithium cell, connecting wire and reserve wire, ya keli board top fixed mounting has the development board, and fixed mounting has the expansion board on the development board, and the power source fixedly connected with liter clamp plate of development board, the ya keli board outside is provided with the cell-phone lithium cell, and the top fixed mounting of development board has first button module, compares with current technique: the utility model has the advantages that: the utility model has the advantages of simple structure the practicality, this electric current flow direction developments demonstration ware can be vivid the direct simulation electric current flow situation in the circuit, lets the student that abstract thinking ability is not high, can be easy understand the dynamic flow situation of intangible electric current in the circuit, help mr overcome the difficult point of teaching smoothly, improve classroom teaching efficiency, play the effect of better teaching.

Description

Current flow direction dynamic demonstrator

Technical Field

The utility model relates to a teaching aid technical field is used in the education field, specifically is electric current flow direction developments demonstration ware.

Background

The conventional elementary school electrical teaching aid can only guide students to complete the assembly of common circuits, and cannot help the students to understand the flowing condition of current in the circuits, but the teaching aid simulates and demonstrates the flowing of the current in the circuits by using the form of a water-flowing lamp aiming at the characteristic that the flowing condition of the current in the circuits is invisible, so that the students can visually realize the flowing of the invisible current in the circuits. The teaching aid can help teachers to easily overcome difficulties in teaching and improve teaching efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a current flow direction developments demonstration ware to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the dynamic demonstrator for current flowing direction comprises an acrylic plate, a lithium battery for mobile phone, a connecting wire and a standby wire, wherein a development plate is fixedly arranged at the top of the acrylic plate, an expansion plate is fixedly arranged on the development plate, a power interface of the development plate is fixedly connected with a boosting plate, the lithium battery for mobile phone is arranged at the outer side of the acrylic plate, a first key module is fixedly arranged at the top of the development plate, a third key module is fixedly arranged at one end, far away from the first key module, of the top of the development plate, a second key module is fixedly arranged at the top of the development plate and between the first key module and the third key module, a battery box is fixedly arranged at one end, far away from the boosting plate, of the top of the development plate, two connecting batteries are fixedly arranged in the battery box, and a switch is fixedly arranged at the top of the development plate and between the boosting plate, the top of development board is provided with two lamp holders, two the inside of lamp holder is provided with first bulb and second bulb respectively.

Preferably, the connection battery and the switch are connected with each other through a connection wire, and a spare wire is arranged on the top of the development board.

Preferably, the development board, the pressure rising board and the expansion board are connected through a DuPont wire, and the lithium battery of the mobile phone is connected with the pressure rising board through a connecting wire.

Preferably, twenty red light emitting diodes are fixedly mounted on the top of the development board at equal intervals.

Preferably, twenty green light emitting diodes are fixedly mounted on the top of the development board at equal intervals at one end far away from the battery box.

Preferably, three yellow light emitting diodes are fixedly mounted on the top of the development board close to one end of the first key module at equal intervals.

Compared with the prior art: the utility model has the advantages that: the utility model has the advantages of simple structure the practicality, this electric current flow direction developments demonstration ware can be vivid the direct simulation electric current flow situation in the circuit, lets the student that abstract thinking ability is not high, can be easy understand the dynamic flow situation of intangible electric current in the circuit, help mr overcome the difficult point of teaching smoothly, improve classroom teaching efficiency, play the effect of better teaching.

Drawings

Fig. 1 is a schematic view of a first bulb and a second bulb connected in series according to the present invention;

FIG. 2 is a circuit diagram of a first bulb of the present invention;

fig. 3 is a parallel view of the first bulb and the second bulb of the present invention;

fig. 4 is a cross-sectional view of the present invention;

FIG. 5 is a circuit diagram of the present invention;

fig. 6 is a control circuit diagram of the present invention.

In the figure: 1. acrylic plates; 2. developing a board; 3. a first key module; 4. a second key module; 5. a third key module; 6. lifting the pressing plate; 7. a lithium battery of the mobile phone; 8. a yellow light emitting diode; 9. a red light emitting diode; 10. a green light emitting diode; 11. a spare wire; 12. a battery case; 13. connecting a battery; 14. a first bulb; 15. a lamp socket; 16. a second bulb; 17. connecting a lead; 18. an expansion board; 19. and (4) switching.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: current flow direction developments demonstration ware, including ya keli board 1, cell-phone lithium cell 7, connecting wire 17 and

reserve wire

11, 1 top fixed mounting of ya keli board has development board 2, and development board 2's model is: nano V3.0 has improved the practicality of this electric current flow direction dynamic demonstration ware, and fixed mounting has expansion board 18 on the development board 2, and expansion board 18's model is: NANO has improved this current flow direction dynamic demonstrator's practicality, and the power source interface fixedly connected with step-up board 6 of development board 2, and the model of step-up board 6 is: DC-DC, the practicality of this electric current flow direction developments demonstration ware has been improved, the inferior gram force board 1 outside is provided with cell-phone lithium cell 7, the top fixed mounting of development board 2 has first button module 3, the one end fixed mounting that first button module 3 was kept away from at the top of development board 2 has third button module 5, fixed mounting has second button module 4 at the top of development board 2 and between being located first button module 3 and third button module 5, the one end fixed mounting that liter clamp plate 6 was kept away from at the top of development board 2 has battery case 12, the inside fixed mounting of battery case 12 has two connecting batteries 13, the top of development board 2 and be located between liter clamp plate 6 and the battery case 12 fixed mounting have switch 19, the top of development board 2 is provided with two lamp stands 15, the inside of two lamp stands 15 is provided with first bulb 14 and second bulb 16 respectively.

Connect battery 13 and switch 19 and pass through connecting wire 17 interconnect, development board 2 top is provided with reserve wire 11, the practicality of this electric current flow direction dynamic demonstrator has been improved, development board 2, step-up board 6, connect through the dupont line between the expansion board 18, cell-phone lithium cell 7 passes through the connecting wire and is connected with step-up board 6, make this electric current flow direction dynamic demonstrator safe and reliable more, development board 2's top equidistance fixed mounting has twenty red emitting diode 9, make the student can observe the dynamic flow situation of intangible electric current in the circuit easily through red emitting diode 9, the one end equidistance fixed mounting that battery case 12 was kept away from at development board 2's top has twenty green emitting diode 10, make the student can observe the dynamic flow situation of intangible electric current in the circuit easily through a green emitting diode 10, the one end equidistance fixed mounting that development board 2's top is close to first button module 3 has three yellow emitting diode 10 8, so that students can easily observe the dynamic flow condition of the invisible current in the circuit through the yellow light-emitting diode 8,

When the current flow direction dynamic demonstrator is used, the current flow direction dynamic demonstrator is placed at a proper position, an operator connects the spare wire 11 between two points B-c at the position B at the moment, the connection circuit of the first bulb 14 is assembled, the first bulb 14 is touched and lightened at the moment, then a student observes the current flow direction through the red light-emitting diode 9 and the green light-emitting diode 10, touches the first button module 3 again to stop demonstration, then connects the second bulb 16 between the points B-c at the position B, the first bulb 14 and the second bulb 16 form a series circuit, touches the second button module 4 to demonstrate the current flow state, then the student observes the current flow direction through the red light-emitting diode 9 and the green light-emitting diode 10, and touches the second button module 4 again to stop the demonstration; connecting a second bulb 16 at a position A between a-b in a dotted line position, connecting a spare wire 11 between b-c, completing the assembly of the parallel circuit of the first bulb 14 and the second bulb 16, touching the third key module 5, lighting the first bulb 14 and the second bulb 16 at the moment, observing the current flow direction through the red light-emitting diode 9 and the green light-emitting diode 10 by the student, and touching the third key module 5 again to stop the demonstration.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and 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 therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The current flow direction dynamic demonstrator comprises an acrylic plate (1), a lithium battery for mobile phone (7), a connecting wire (17) and a standby wire (11), and is characterized in that a development plate (2) is fixedly mounted at the top of the acrylic plate (1), an expansion plate (18) is fixedly mounted on the development plate (2), a power interface of the development plate (2) is fixedly connected with a boosting plate (6), the lithium battery for mobile phone (7) is arranged at the outer side of the acrylic plate (1), a first key module (3) is fixedly mounted at the top of the development plate (2), a third key module (5) is fixedly mounted at one end, far away from the first key module (3), of the top of the development plate (2), a second key module (4) is fixedly mounted at the top of the development plate (2) and between the first key module (3) and the third key module (5), one end fixed mounting that liter clamp plate (6) was kept away from at the top of development board (2) has battery case (12), the inside fixed mounting of battery case (12) has two to connect battery (13), the top of development board (2) just is located and rises between clamp plate (6) and battery case (12) fixed mounting has switch (19), the top of development board (2) is provided with two lamp stands (15), two the inside of lamp stand (15) is provided with first bulb (14) and second bulb (16) respectively.

2. The current flow dynamics demonstrator according to claim 1, wherein: the connection battery (13) and the switch (19) are connected with each other through a connection lead (17), and a standby lead (11) is arranged at the top of the development board (2).

3. The current flow dynamics demonstrator according to claim 1, wherein: the development board (2), the boosting board (6) and the expansion board (18) are connected through a DuPont wire, and the lithium battery (7) of the mobile phone is connected with the boosting board (6) through a connecting wire.

4. The current flow dynamics demonstrator according to claim 1, wherein: twenty red light-emitting diodes (9) are fixedly mounted on the top of the development board (2) at equal intervals.

5. The current flow dynamics demonstrator according to claim 1, wherein: and twenty green light-emitting diodes (10) are fixedly mounted at the top of the development board (2) at the same distance from one end of the battery box (12).

6. The current flow dynamics demonstrator according to claim 1, wherein: the top of the development board (2) is fixedly provided with three yellow light-emitting diodes (8) at equal intervals at one end close to the first key module (3).