JPH09281887A - Science study instrument - Google Patents

Abstract

PROBLEM TO BE SOLVED: To let a child know the interest of handicraft by using a solar battery as a power source, arranging the plural experimental tools of different functions adjacent to a printed circuit board and observing these experimental tools while switching them by changing over a switch. SOLUTION: This instrument is provided with a printed circuit board 1 equipped with positioning means 11 and 11' for parts, solar battery 4 equipped with a connector for connecting an output terminal to the printed circuit board 1, plural kinds of experimental means which are driven with the solar battery 4 as the power source and show mutually different phenomena such as sound or light, and changeover switch 2 for supplying power from the solar battery 4 while switching it to any one of plural kinds of experimental means. The solar battery 4 and some of experimental means more than one, at least, are previously housed in a housing means together with the printed circuit board 1 while being disconnected from the printed circuit board 1 and a user can freely detachably load the rear side of the solar battery 4 and some of experimental means more than one, at least, through a loader 10 onto the upper face of the printed circuit board 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a science learning device for children, which utilizes a power source of a solar cell, which is useful for elementary school children in various science experiments on solar cells.

[0002]

2. Description of the Related Art Conventionally, in teaching materials used by elementary school children for science experiments at school, parts necessary for assembling the teaching materials are sold as a kit. It has a single function such as a bell using an electromagnet and an electromagnet. The teaching material was a set of parts required for the assembly.

As described above, conventionally, it has not been the case of switching a plurality of different functions, observing the operation of different functions, and comparing and examining the two. In addition, for children of lower grades, soldering parts is dangerous because it is necessary to avoid it. There was less of a taste for it.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the conventional problems as described above, and a plurality of experimental tools having different functions are provided on a printed circuit board instead of the conventional single function. The present invention provides a science learning device for experiment, which is arranged adjacent to each other, and makes it possible to observe by switching between the experimental tools by switching the switches, and at the same time, the fun of making children's objects is maximized.

[0005]

A science learning device for children according to the present invention is a connection for connecting a printed board provided with positioning means for parts to be placed and an output terminal to a conductive foil or the like of the printed board. A solar cell provided with a tool, a plurality of types of experimental means that are driven by the solar cell as a power source and exhibit different phenomena such as sound and light, and a power source of the solar cell is supplied to one of a plurality of types of experimental means. A switching switch for switching, and at least one or more of the solar cell and the experimental means are separated from the printed board in advance and stored together with the printed board in a storage means such as a vinyl bag or a paper box. , The user can attach at least one of the solar cell and the experimental means to the upper surface of the printed circuit board by attaching the back side of the solar cell and the attaching means such as double-sided adhesive tape. That.

[0006]

In the present invention, in order to solve the above-mentioned problems of the prior art, different functions such as a light emitting diode (LED), a melody generator and a motor are used as experimental means driven by a current generated from a solar cell. Using the parts that have the same, observe how the output of these experimental means changes according to the change in the amount of power generation depending on the degree of light applied to the solar cell, or light-emitting diodes (L
ED), a melody generator, a motor, etc. are supplied with a power source by a changeover switch, and comparative observation of how the electric energy of these experimental means changes can be made. Also, prepare a mounting tool that has adhesive on both sides of the elastic body of foamable plastic with a thickness of about 3 mm in advance, and when the set is assembled, children can wear it on the back of the solar cell or melody generator. After attaching the tools, fix the experimental tools along the broken line marks that are the positioning means of the printed circuit board, and then fix the connection plug connected to the tip of the wiring lead of the experimental tool to the printed circuit board shape in advance. Insert it into the socket provided and connect. In this way, you can enjoy the joy of making things automatically.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view of a science learning machine for children of the present invention, and FIG. 2 is a perspective view for explaining an assembling process of the learning machine. 1 is a printed circuit board, 2 is a changeover switch,
Reference numerals 3a, 3b and 3c are connection sockets which are previously soldered and fixed to a conductive metal foil (not shown) on the back surface of the printed board. The mounting table 5 of the solar cell element 4 is made of a flexible synthetic resin, and a lead wire 6a is connected to the element 4 and a connection plug 7a is connected to its tip. The melody generator 8 has a
A connecting wire 7b is connected to the lead wire 6b and its tip. The light emitting diode (LED) 9 is also connected with a lead wire 6c and a connection plug 7c at its tip.

Sockets 7a, 7b, 7c and switch 2
Is previously soldered and fixed to a conductive metal foil (not shown) on the back surface of the printed circuit board. On the other hand, the solar cell 4, its lead wire and the connection plug 6a are housed in a transparent vinyl bag (not shown). The melody generator 8, its lead wire 6b and the connection plug 7b are housed in another transparent vinyl bag (not shown). These components, for example, the solar cell 4 with the mounting table 5 are taken out from the vinyl bag and adhered to the upper surface of the mounting tool 10 made of an elastic foam synthetic resin having a thickness of about 5 mm and having adhesive applied on both sides. Next, the mounting tool 10 is adhesively fixed onto the printed board so that the outer shape of the mounting table 5 of the solar cell 4 is aligned with the positioning means 11 such as a broken line mark printed on the printed board 1. Similarly, the melody generator 8 is also adhered and fixed by the wearing tool 10 '. And the plugs 7a, 7
b and 7c are inserted and connected to the sockets 3a, 3b and 3c, respectively. 11a is a leg slightly higher than the lead line.

FIG. 3 is a perspective view showing a synthetic resin container 12 and a lid 13 for accommodating the science learning device of the present invention.

In the above description, an example in which the melody generator 8 and the light emitting diode 9 are used as experimental tools has been described, but it goes without saying that an electric motor or the like may be used instead of the melody generator 8. Absent.

The mounting table 5 of the solar cell element 4 is covered with a soft transparent resin or a transparent resin thin plate so that a child will not hurt his / her fingers or the like.

[0013]

As described above, the present invention is a science learning device using a solar cell as a power source, and a light emitting diode (LED), a melody generator and a motor are used as experimental means driven by a current generated from the solar cell. Since parts with different functions, such as, are used by arranging them on one printed circuit board, how will the output of those experimental means change with the change in the amount of power generation depending on the degree of light applied to the solar cell? Can be observed at a glance, and how the electric energy of the experimental means changes by supplying power to the light emitting diode (LED), melody generator, motor, etc. arranged adjacent to each other by the changeover switch. Etc. can be observed comparatively. In addition, if a wearer with adhesive on both sides of a foamed plastic elastic body with a thickness of about 3 mm is prepared in advance, the child will not be able to install the solar cell or melody generator when assembling the set. After attaching the mounting tool to the back side, fix the experimental tools along the broken line mark that is the positioning means of the printed circuit board, and then attach the connection plug connected to the tip of the wiring lead of the experimental tool in advance to the printed circuit board. It can be inserted into a fixedly connected socket. In this way, children can enjoy the joy of making things.

[Brief description of drawings]

FIG. 1 is a perspective view of a science learning device of the present invention.

FIG. 2 is an assembled perspective view of the science learning device of the present invention.

FIG. 3 is a perspective view of a transparent box for storing the science learning device of the present invention.

[Explanation of symbols]

 1 Printed circuit board 2 Changeover switch 3a, b, c Socket 4 Solar cell 5 Mounting table 6a, b, c Lead wire 7a, b, c Plug 8 Melody generator 9 LED 10, 10 'Mounting tool 11, 11' Positioning Means 11a Leg 12 Transparent container made of synthetic resin 13 Synthetic resin transparent lid

Claims (4)

[Claims] 1. A printed circuit board provided with a positioning means for positioning parts to be placed, a solar cell provided with a connector for connecting an output terminal to a conductive foil or the like of the printed circuit board, and using the solar cell as a power source. The solar cell includes a plurality of types of experimental means that are driven and exhibit different phenomena such as sound and light, and a changeover switch for switching the power supply of the solar cell to one of the plurality of types of experimental means. And at least one of the experimental means is separated from the printed circuit board in advance and stored together with the printed circuit board in the storage means, and the user can store at least one of the solar cell and the experimental means. A science learning device for children using a power source of a solar cell, the back surface of which can be detachably mounted on the upper surface of the printed circuit board through a mounting tool. 2. The science learning device according to claim 1, wherein the wearing tool is an elastic body having adhesives applied on both sides. 3. The science learning device according to claim 1, wherein the positioning means is a line mark printed on the upper surface of the printed circuit board so as to have substantially the same outer shape as the lower shape of the component. 4. The science learning device according to claim 1, wherein the experimental means is a light emitting element and a melody generator.