CN214752518U - STEAM teaching aid rain alarm - Google Patents

Abstract

The utility model discloses a STEAM teaching aid alarm that rains, including the bread board, be evenly distributed on the bread board and seted up the through-hole, and bread board lower surface one side is provided with the battery case, bread board upper surface one side is provided with the connector, and bread board upper surface opposite side is provided with bowl cover and cup respectively, electric connection has the wire on the battery case, the wire extends to the upper end of bread board, and electric connection between wire and the connector, the end of wire extends to the inside of bowl cover, electric connection has bee calling organ and triode respectively in the upper end of connector, the cup is used for holding the pure water, be used for mixing pure water and electrolyte in the bowl cover, the electrolyte includes one kind in baking soda and the edible salt. The utility model discloses drive the student and accomplish liquid electricity experiment, can fully understand the pure water electrically conductive principle to have higher recreational, increase student's hands-on ability and interest, improve the learning effect.

Description

STEAM teaching aid rain alarm

Technical Field

The utility model relates to a teaching auxiliary instrument technical field especially relates to a STEAM teaching aid alarm that rains.

Background

STEAM stands for Science, Technology, Engineering, art (Arts), Mathematics (Mathematics), and STEAM education is comprehensive education integrating multiple fields of Science, Technology, Engineering, art and Mathematics, for example, in the case of experiments on the conduction of purified water, many children may know more or less that the purified water is not conductive, but the purified water can be conductive and is only very weak to be ignored, and in order to make the children better know the relevant electrical knowledge, a STEAM teaching aid rain alarm is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a STEAM teaching aid rain alarm.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a STEAM teaching aid alarm that rains, includes the bread board, be evenly distributed on the bread board and seted up the through-hole, just bread board lower surface one side is provided with the battery case, bread board upper surface one side is provided with the connector, just bread board upper surface opposite side is provided with bowl cover and cup respectively, electric connection has the wire on the battery case, the wire extends to the upper end of bread board, just electric connection between wire and the connector, the end of wire extends to the inside of bowl cover, electric connection has bee calling organ and triode respectively in the upper end of connector, the cup is used for holding the pure water, be used for mixing pure water and electrolyte in the bowl cover, the electrolyte includes one kind in saleratus and the edible salt, establish ties between the inside mixture of battery case, bee calling organ, triode and bowl cover.

Preferably, the four corners of the lower surface of the bread board are in threaded connection with supporting columns.

Preferably, the battery box and the connector are uniformly distributed and fixedly provided with rubber pins close to the outer wall of the bread board, and the rubber pins are matched with the through holes.

Preferably, the bread board is provided with a line pressing block, and the line pressing block is matched with the lead.

Preferably, the bread board is evenly distributed with fixed pressing plates along the center point of the cup cover.

Preferably, the bread board is provided with a suction pipe.

The utility model provides a pair of STEAM teaching aid alarm that rains, beneficial effect lies in:

1. in the structure, the electrolyte generated by dissolving edible salt in purified water is utilized to improve the conductivity in the solution, so that students can be driven to complete the principle of liquid conductivity, the students can fully know the principle of purified water conductivity, and triodes are arranged to increase the current;

2. the structure adopts a combined mode, improves the practical ability of students, is convenient to assemble and disassemble, fully drives the interest of students, can improve the learning efficiency,

Drawings

Fig. 1 is a schematic structural view of a STEAM teaching aid rain alarm provided by the utility model;

fig. 2 is a top view of fig. 1 of a STEAM teaching aid rain alarm provided by the present invention;

fig. 3 is the utility model provides a division diagram of fig. 1 of STEAM teaching aid rain alarm.

In the figure: 1. a bread board; 2. supporting the upright post; 3. a wire connector; 4. a battery case; 5. a line pressing block; 6. fixing the pressing plate; 7. a cup cover; 8. a straw; 9. a cup; 10. a triode; 11. a buzzer; 12. a wire; 13. rubber pins.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 of description and simplicity of description, and do not indicate or imply that the device or element being 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.

Referring to fig. 1-3, a STEAM teaching aid rain alarm comprises a bread board 1, through holes are uniformly distributed on the bread board 1, a battery box 4 is arranged on one side of the lower surface of the bread board 1, a wire connector 3 is arranged on one side of the upper surface of the bread board 1, a cup cover 7 and a cup 9 are respectively arranged on the other side of the upper surface of the bread board 1, a lead 12 is electrically connected on the battery box 4, the lead 12 extends to the upper end of the bread board 1, the lead 12 is electrically connected with the wire connector 3, the tail end of the lead 12 extends to the inside of the cup cover 7, a buzzer 11 and a triode 10 are respectively electrically connected on the upper end of the wire connector 3, the cup 9 is used for containing purified water, the cup cover 7 is used for mixing purified water and electrolyte, the electrolyte comprises one of baking soda and edible salt, and the mixture inside the battery box 4, the buzzer 11, the triode 10 and the cup cover 7 are connected in series, the four corners position threaded connection of 1 lower surface of bread board has support post 2, and battery case 4 and connector 3 are evenly distributed fixed mounting near the outer wall of bread board 1 and have rubber round pin post 13, match between rubber round pin post 13 and the through-hole, are provided with line ball piece 5 on the bread board 1, match between line ball piece 5 and the wire 12, and bread board 1 is evenly distributed along the centre of a circle point of bowl cover 7 and is provided with stationary platen 6, is provided with straw 8 on the bread board 1.

In the utility model, a plurality of parts are arranged in the installation package in the structure, in the use process, firstly, each supporting upright post 2 is rotationally fixed on the bread board 1, the battery box 4 and the wire connector 3 are respectively fixed through the rubber pin 13, the triode 10 and the buzzer 11 are respectively connected in series on the wire connector 3, then the battery with sufficient electric quantity is placed in the battery box 4, the lead 12 on the battery box 4 passes through the bread board 1, the battery box 4 is connected with the wire connector 3 through the lead 12, and the tail end of the lead 12 extends to the inside of the cup cover 7;

at the moment, the lead wires 12 are respectively pressed by the wire pressing blocks 5, and the fixed pressing plates 6 are respectively arranged outside the cup cover 6, so that the lead wires 12 and the cup cover 6 are respectively fixed;

the pure water is sucked into the cup cover 7 through the suction pipe 8, the current forms a complete loop through the pure water at the moment, the conductivity is poor because of less electrolyte in the pure water, the current flowing through the triode 10 is slightly increased under the action of the triode 10 at the moment, and the buzzer 11 makes a weak sound;

meanwhile, the extracted edible salt is placed in the cup cover 7, so that the purified water and the edible salt are fully mixed, the conductivity of the mixed solution is improved, and the current fed back to the triode 10 and the buzzer 11 is larger, so that the buzzer 11 sends out larger buzzing sound;

in the whole operation process, the students complete the installation of the structure under the guidance of teachers, and can fully understand the principle of liquid conduction.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a STEAM teaching aid alarm that rains, its characterized in that includes bread board (1), be evenly distributed on bread board (1) and seted up the through-hole, just bread board (1) lower surface one side is provided with battery case (4), bread board (1) upper surface one side is provided with connector (3), just bread board (1) upper surface opposite side is provided with bowl cover (7) and cup (9) respectively, electric connection has wire (12) on battery case (4), wire (12) extend to the upper end of bread board (1), and electric connection between wire (12) and connector (3), the end of wire (12) extends to the inside of bowl cover (7), the upper end of connector (3) electric connection has bee calling organ (11) and triode (10) respectively, cup (9) are used for holding the pure water, be used for mixing pure water and electrolyte in bowl cover (7), the electrolyte contains in baking soda and the edible salt one, establish ties between the inside mixture of battery case (4), bee calling organ (11), triode (10) and bowl cover (7).

2. The STEAM teaching aid rain alarm device according to claim 1, wherein four corners of the lower surface of the bread board (1) are in threaded connection with supporting columns (2).

3. The STEAM teaching aid rain alarm device according to claim 1, wherein the battery box (4) and the wire connector (3) are uniformly distributed and fixedly provided with rubber pins (13) close to the outer wall of the bread board (1), and the rubber pins (13) are matched with the through holes.

4. The STEAM teaching aid rain alarm device according to claim 1, wherein a line pressing block (5) is arranged on the bread board (1), and the line pressing block (5) is matched with a lead (12).

5. The STEAM teaching aid rain alarm as claimed in claim 1, wherein the bread board (1) is provided with the fixed pressing plates (6) uniformly distributed along the center point of the cup cover (7).

6. An STEAM teaching aid rain alarm as claimed in claim 1, wherein the bread board (1) is provided with a suction pipe (8).

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