KR200448908Y1 - Education instrument for wattmetter - Google Patents

Abstract

The present invention is a motor including a motor body and a motor shaft; A magnet fastened to the motor shaft of the motor; A motor mounting part including at least one motor fixing part including a through hole into which the motor body is inserted, and a motor support fastened to or integral with the motor fixing part; A power supply unit for supplying power to the motor; A rotating conductor part supporting a magnet and including a projection pin, a concave part, or a through-hole in the center of rotation, and a lever pin fastened to or formed integrally with the outer periphery of the conductor turn plate; A metering display portion provided at a peripheral portion thereof with a tooth portion contacting the lever pin and having a gearwheel at a center of rotation having a protrusion, a recess, or a through hole and interlocked with a rotational movement of the rotary conductor portion; And a fastening hole into which the motor support is inserted, the substrate 1100 including a protrusion, a recess, or a through hole for fastening the rotating conductor part, and a protrusion, a recess, or a through hole for fastening the metering display part. In addition, by simplifying the structure, the trainee can easily understand the principle and structure of the integrated power meter and eddy current, and it is effective to be interested in science. Can provide an integrated power meter learning teaching tools that can be effective.

Integrated power meter, eddy current, teaching aid

Description

Power meter learning aids {EDUCATION INSTRUMENT FOR WATTMETTER}

The present invention relates to a teaching aid, and more particularly, to a learning aid that can easily understand the structure and operation principle of an integrated power meter and directly manufacture an integrated power meter.

Computing power meter is a device that displays and accumulates the amount of electricity used. In general, the electric meter used for home use uses an inductive power meter.

Inductive wattmeters use eddy currents generated in a part of a conductor by changes in the lines of magnetic force passing through the conductor.

By rotating the conductor according to the amount of current flowing using the eddy current, the user can recognize the amount of electricity used through the indicator connected to the rotating conductor.

However, since the commercially available integrated power meter has a very complicated internal structure and high-voltage electricity is flowing, it is difficult for a general user to easily understand its principle and structure, and it is difficult to disassemble and assemble.

In addition, there is no learning tool that can assemble a simple integrated power meter using a eddy current, there is a problem that it is difficult to understand the trainee through the scientific experiment.

The purpose of the present invention is to simplify the structure of the integrated power meter so that the trainee can easily understand the principle and structure.

In addition, an object of the present invention is to allow the trainees to easily manufacture the integrated power meter, so that it is easier to understand the principle and structure of the integrated power meter.

Integrated power meter learning precinct according to an embodiment of the present invention for achieving the above object is a motor including a motor body and a motor shaft; A magnet fastened to a motor shaft of the motor; A motor mounting part including at least one motor fixing part including a through hole into which the motor body is inserted, and a motor support coupled to or integral with the motor fixing part; A power supply unit for supplying power to the motor; A rotating conductor part supporting the magnet and including a conductor rotating plate including a protrusion, a recess, or a through hole at a center of rotation, and a lever pin fastened or integrally formed on an outer circumference of the conductor rotating plate; A metering display portion provided on the outer circumference thereof with a tooth portion contacting the lever pin and having a gearwheel including a protrusion portion, a recess portion, or a through hole at a center of rotation, and linked to a rotational movement of the rotary conductor portion; And a fastening hole into which the motor support is inserted, the protrusion including a protrusion, a recess, or a through hole for fastening the rotary conductor part, and a substrate including a protrusion, a recess, or a through hole for fastening the metering display part. It may include.

In addition, in the integrated power meter learning precinct, the conductor rotating plate is formed in a circular shape and is supported on a magnet and is fastened to one surface of the metal plate and the lever pin is preferably fastened to the outer periphery.

In addition, in the integrated power meter learning precinct, it is preferable to further include a switch electrically connected to the power supply unit and the motor to selectively cut off the power supplied from the power supply unit to the motor.

In addition, in the integrated power meter learning precinct, the metering display unit is disposed on one side of the cog wheel, a number, letters or symbols are displayed on one side and the sticker further comprises an adhesive on the other side, the cog wheel Preferably, the through hole further comprises an area corresponding to the display area of the sticker.

Integrated power meter learning precinct according to another embodiment of the present invention for achieving the above object, a motor comprising a motor body and a motor shaft; A magnet fastened to a motor shaft of the motor; A motor mounting part including a through hole into which the motor body is inserted; At least one battery for supplying power to the motor; A rotating conductor part supporting the magnet and including a conductor rotating plate including a protrusion, a recess, or a through hole at a center of rotation, and a lever pin fastened to or integrally formed with an outer circumference of the conductor rotating plate; A gear wheel provided on the outer circumference thereof in contact with the lever pin and linked to a rotational movement of the rotary conductor part; And a substrate including a fastening hole into which a part of the motor mounting part is inserted.

In addition, in the integrated power meter learning precinct, it is preferable to further include a switch electrically connected to the battery and the motor to selectively cut off the power supplied from the battery to the motor.

The present invention simplifies the structure of the integrated power meter so that the trainee can easily understand the principle and structure, and have an interest in science.

In addition, the present invention has the effect that the trainee can easily manufacture the integrated power meter by componentizing the components forming the integrated power meter.

Hereinafter, with reference to the accompanying drawings will be described in detail for the implementation of the present invention in detail.

1 is a view showing the components constituting the integrated power meter learning precinct according to the present invention, Figure 2 is an exploded perspective view for explaining a method of fastening the components of the integrated power meter learning precinct according to the present invention, Figure 3 is Is a perspective view of an integrated power meter for fastening by the fastening method of FIG.

The integrated power meter learning precinct according to the present invention is largely based on the substrate part 1000, the motor mounting part 2000, the power supply part 3000, the rotating conductor part 4000, the metering display part 5000, the motor 6000, and the magnet 7000. It is configured to include).

The motor mounting part 2000 includes a motor fixing part 2200 including through holes 2211 and 2221 for inserting the motor support 2100 and the body 6100 of the motor 6000.

The motor fixing part 2200 includes at least two fixing part bodies 2210 and 2220 to fix the motor 6000 more stably, and each fixing part body 2210 and 2220 includes a motor body ( And through holes 2211 and 2221 for inserting 6100 therein.

The motor support 2100 includes at least three support bodies 2110, 2120, and 2130 for supporting at least three axes so that the motor mounting part 2000 may be stably fixed to the substrate part 1000 after fastening. It is composed.

In addition, the support body 2110, 2120, 2130 includes a slit (2111, 2121, 2131) for inserting and fastening the motor fixing portion 2200.

Here, the slits 2111, 2121, and 2131 included in each of the support bodies 2110, 2120, and 2130 may include as many as the number corresponding to the number of the fixing bodies 2210 and 2220 of the motor fixing part 2200. Do.

The support body 2110, 2120, 2130 and the fixing body 2210, 2220 may be manufactured using various materials such as cardboard, plastic, wood, or wood lock.

In addition, as described above, the motor mounting part 2000 may be implemented by fastening respective parts consisting of the support bodies 2110, 2120, and 2130 and the fixing part bodies 2210 and 2220, as shown in FIG. 2. In addition, the shape of the motor mounting portion 2000 is fastened, may be provided as a one-piece manufactured through plastic injection.

The motor 6000 in such a manner that the motor shaft 6200 protrudes downward from the through holes 2211 and 2221 of the motor fixing part 2200 included in the motor mounting part 2000 provided or completed by the above-described method. Insert

In this case, since the motor 6000 is inserted into the through holes 2211 and 2221 to be fixed to the motor fixing part 2200, the diameters of the through holes 2211 and 2221 are formed to be slightly smaller than the motor body 6100, or the motor It is preferable to further include a locking projection (not shown) on the outer periphery of the body 6100.

In addition, in the present invention, as an embodiment, the motor 6000 uses a small 1.5V DC drive type motor.

As described above, the motor 6000 is inserted into the motor mounting part 2000, and then the magnet 7000 is fastened to the front end of the motor shaft 6100, that is, the gear.

At this time, the magnet 7000 is preferably in the form of a square pillar, the side of the square pillar is preferably fastened to the motor shaft 6100. That is, the fastening direction of the magnet 7000 is preferably fastened at a right angle to the rotation axis of the motor shaft 6100. The fastening method may be an adhesive tape, but more preferably, a strong adhesive is used.

The rotary conductor portion 4000 is derived from the conductor rotating plate and the conductive rotating plate including a metal having high electrical conductivity, such as iron, aluminum, and copper, in an integral or fastening manner, thereby applying a load to the teeth 5330 of the gear 533 described later. It consists of a lever pin 4400 for delivery.

In addition, the conductor rotating plate has a low frictional force from the metal plate 4100 of the disc shape of the metal, the soft plate 4200 such as a wood lock for fastening the lever pin 4400, and the substrate rotating plate of the conductor rotating plate. It can be configured by fastening the acrylic plate 4300 to be able to rotate. At this time, it is preferable that the soft plate 4200 is provided between the metal plate 4100 and the acrylic plate 4300 and bonded to each other with an adhesive.

In addition, the conductive rotating plate may be provided as a metal plate 4100, a soft plate 4200 and an acrylic plate 4300, respectively, or may be provided in a state of being integrally fastened.

Since the rotational movement should be performed about the substrate 1100 of the conductor rotating plate about the rotation axis, the substrate 1100 may include a protrusion, a concave portion, or a through hole at the bottom facing the substrate 1100.

1 to 3, which illustrate one embodiment of the present invention, illustrate the use of a through hole among the various shapes of the rotational central axis described above, and will be described below.

The conductor rotating plate is formed in a circular shape and includes a through hole through which the circumferential center becomes the center of rotation and the center of rotation thereof passes through.

In this case, in the metal plate 4100, the soft plate 4200, and the acrylic plate 4300, which are components of the conductive rotating plate, the through hole is included in at least one of the components facing toward the substrate 1100 at the time of fastening. It may not include. That is, a through hole may be formed in the rotation center of the soft plate 4200 and the acrylic plate 4300, and the through plate may not be formed in the metal plate 4100.

In the present invention, a through hole is formed in each rotation center of the metal plate 4100, the soft plate 4200, and the acrylic plate 4300 in one preferred embodiment.

The lever pin 4400 may be used as any material having low toughness such as metal, plastic, and wood, and is preferably long and pointed so that one side may be easily inserted into the soft plate 4200. Toothpicks made of wood were used.

The weighing display unit 5000 may be attached to the substrate 1100 and a weighing value may be fastened to the sticker 5100 and the sticker 5100 displayed on the display area 5120 so that a part of the display area 5120 may be exposed to the outside. The through hole 5320 is formed to include, and includes a gear wheel 5300 formed in the shape of the teeth 5330 on the outer periphery.

At this time, the sticker 5100 is displayed on the display area 5120, the numerical value including a number, letters or symbols on one surface, the adhesive is coated on the opposite side to be attached to the substrate 1100.

The gear wheel 5300 may be made of cardboard, plastic, metal, wood, or wood lock, etc., and the substrate of the gear wheel 5300 to minimize frictional force between the gear wheel 5300 and the substrate 1100 when fastened. It may be configured by fastening further comprising an acrylic plate 5200 on the side facing 1100. At this time, it is preferable that the gear wheel 5300 and the acrylic plate 5200 are bonded to each other with an adhesive.

In addition, the gear wheel 5300 and the acrylic plate 5200 may be provided as parts, respectively, or may be provided in a state of being integrally fastened.

In addition, the acrylic plate 5200 that is fastened to the bottom of the cog wheel 5300 or the cog wheel 5300 should perform a rotational movement about the rotation axis, so that a protrusion, a recess, or a through hole is provided on the bottom face of the substrate 1100. It may be configured to include.

1 to 3, which illustrate one embodiment of the present invention, illustrate the use of the through-hole 5310 among the shapes of the above-described various types of rotational central axes, which will be described below.

The one in which the cog wheel 5300 or the cog wheel 5300 and the acrylic plate 5200 are fastened is fastened to the center of the sticker 5100 on the substrate 1100 to which the sticker 5100 is attached.

In this case, the method of attaching the sticker 5100 displayed on the display area 5120 to the substrate has been described as an embodiment of the present invention. However, the measured value may be provided to the substrate 1100 printed on one surface. .

Accordingly, the through hole 5320 included in the gear 5320 exposes a part of the display area 5120 printed on the sticker or the substrate, and the rotating conductor part 4000 after the integrated power meter according to the present invention is assembled. On the printed display area 5120 displayed through the through-hole 5320 as the lever pin 4400 transmits a load to the teeth 5330 of the cogwheel 5300 and the cogwheel 5300 rotates. Can be exposed to change.

The power supply unit 3000 is for supplying power to the motor 6000 and is preferably selected according to the type of the motor 6000.

In the present invention, the 1.5V battery 3100 is used as an embodiment, and the battery socket 3200 is further included in order to facilitate the electrical connection between the battery 3100 and the motor 6000.

After inserting the battery 3100 into the battery socket 3200, the two electrode wires of the battery socket 3200 are connected to terminals 6310 and 6320 of the motor 6000.

At this time, after the integration of the integrated power meter of the present invention may further include a switch 3400 for the user to selectively drive and stop the motor 6000.

When the switch 3400 is included, the one of the two wires connected from the battery socket 3200 to the motor 6000 is connected to any one of the terminals of the switch 3400, and then the other one of the wires is connected. The wire 3300 is connected to an unwired terminal among the switch terminals and the terminals 6310 and 6320 of the motor 6000.

The motor mounting part 2000, the rotating conductor part 4000, and the metering display part 5000 provided or assembled as described above are fastened to the substrate 1100.

The feet 2113, 2123, and 2133 of the respective motor supports 2110, 2120, and 2130 included in the motor holder 2000 may include the respective motor holder fastening holes 1111, 1112, and 1113 included in the substrate 1100. Insert into and tighten.

The rotary conductor part 4000 and the metering display part 5000 are fastened to the rotary conductor part fastening hole 1121 and the metering display part fastening hole 1122, which are through holes formed in the substrate 1100, using fastening pins 1210 and 1220. .

The fastening pins 1210 and 1220 are rotating conductor part fastening holes 1121 and metering display fastening holes, which are through holes corresponding to respective surfaces, on the opposite side between the rotating conductor part 4000 and the metering display part 5000 of the substrate 1100. Rotational center axis of the rotating conductor portion 4000 and the metering display portion 5000 on the fastening pins 1210 and 1220 protruding from the substrate 1100 and inserted through the substrate 1100 to protrude from the substrate 1100. The through-holes formed therein are inserted to rotatably fasten the rotating conductor part 4000 and the metering display part 5000 to the substrate 1100.

Herein, the lengths of the fastening pins 1210 and 1220 may use a pin type larger than the thickness of the substrate 1100, and may be used in various modified forms. In the present invention, the clip was used as an embodiment and one side of the clip was used by bending.

In addition, in order to fasten the rotating conductor portion 4000 and the metering display portion 5000 to the substrate 1100, the above-described fastening pins 1210 and 1220 are not used as separate parts, but the protrusions or recesses on the substrate 1100. It is also possible to form a portion and use it.

In this case, when one of the protrusions and the recesses is used on the upper surface of the substrate 1100, the protrusions and the recesses may be formed to correspond to the protrusions and the recesses formed on the bottom surface of the rotary conductor part 4000 and the metering display part 5000. That is, when the recess is formed on the bottom surface of the rotary conductor portion 4000 and the metering display portion 5000, it is preferable to form a protrusion having a shape corresponding to the upper surface of the substrate 1100.

The power supply unit 3000 may or may not be fastened to the substrate 1100 or the motor mounting unit 2000.

In the present invention, in one embodiment, the power supply unit 3000 is designed to be fastened to the substrate 1100 or the motor mounting unit 2000.

The battery socket 3200 of the power supply unit 3000 is inserted into and fastened to the battery socket fastening hole 1130 included in the substrate 1100.

In addition, the switch 3400 of the power supply unit 3000 inserts the switch 3400 into the switch fastening hole 2112 included in any one of the motor supports 2100 of the motor support 2100. At this time, after the switch 3400 is fastened to the switch fastening hole 2112 in the state in which the wire is not connected to the switch terminal, the wire is connected to the switch terminal drawn out to the opposite side where the switch body of the motor support 2100 is located. desirable.

As described above, when the integrated power meter of the present invention is assembled and the motor 6000 is driven using a switch, the magnet 7000 fastened to the front end of the motor shaft 6100 uses the motor shaft 6100 as the rotation center. The upper portion spaced apart from the rotary conductor portion 4000 is rotated.

At this time, the magnetic force generated in the magnet 7000 generates a eddy current in the metal plate 4100 included in the rotating conductor part 4000, and also the magnetic force of the magnet 7000 rotating together with the rotation of the motor 6000. It changes continuously.

Therefore, according to the principle of 'Aragora', the rotating conductor portion 4000 rotates according to the rotation direction of the magnet, and the rotating conductor portion 4000 that performs the rotational movement is included in the rotating conductor portion 4000. The gear 533 is rotated by transmitting a load to the teeth 5330 of the weighing display portion 5000 through the lever pin 4400.

As the cog wheel 5300 rotates, the measured value printed on the display area 5120 exposed through the through hole 5320 included in the cog wheel 5300 may be changed and exposed.

As described above, according to the present invention, the trainees can easily make and view a computer wattmeter, and also can easily understand the principle of eddy current, disc of Arago, and the like.

From the above description, those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention.

Therefore, the technical scope of the present invention should not be limited to the contents described in the embodiments, but should be determined by the claims and their equivalents.

1 is a component diagram of the integrated power meter learning precinct according to the present invention.

Figure 2 is an exploded perspective view for explaining a fastening method of the integrated power meter learning precinct according to the present invention.

3 is a perspective view of an integrated power meter completed by fastening the integrated power meter learning precinct according to the present invention.

* Brief Description of Drawings

1210, 1220: fastening pin 1000: base

1100: substrate 2000: motor mounting portion

2100: motor support 2200: motor fixing part

3000: Power supply unit 3100: Battery

3200: battery socket 3300: electric wire

3400: switch 4000: rotating conductor

4100: Metal plate 4400: Lever pin

5000: Weighing indicator 5100: Sticker

5300: Gear 6000: Motor

7000: Magnet

Claims (6)

A motor 6000 including a motor body 6100 and a motor shaft 6200; A magnet 7000 fastened to the motor shaft 6200 of the motor 6000; A motor mounting part including at least one motor fixing part 2200 including a through hole into which the motor body 6100 is inserted and a motor support 2100 fastened to or integrally formed with the motor fixing part 2200 ( 2000); A power supply unit for supplying power to the motor 6000; A rotating conductor part which supports the magnet 7000 and includes a conductor rotating plate including a protrusion, a recess, or a through hole at the center of rotation, and a lever pin 4400 fastened to or formed integrally with the outer circumference of the conductor rotating plate. (4000); A tooth part 5330 is provided on the outer circumference and is in contact with the lever pin 4400, and has a gear wheel 5300 including a protrusion, a recess, or a through hole at the center of rotation, and interlocks with the rotational movement of the rotary conductor part. Weighing display unit comprising; And A fastening hole into which the motor support 2100 is inserted, and includes a protrusion, a recess, or a through hole for fastening the rotary conductor part 4000, and a protrusion, a recess, or a through hole for fastening the metering display part. Integrated power meter learning precinct comprising a; substrate (1100) including a hole. The method of claim 1, The conductor rotating plate is formed in a circular shape and is fastened to one side of the metal plate 4100 and the metal plate 4100 supported by the magnet 7000 and the lever pin 4400 is characterized in that it comprises a disc fastened to the outer periphery Integrated power meter learning parish. The method of claim 1, And a switch (3400) electrically connected to the power supply unit and the motor (6000) to selectively block power supplied from the power supply unit to the motor (6000). The method of claim 1, wherein the weighing display unit, It is disposed on one side of the gear 5300, the number, letters or symbols are displayed on one side and further comprises a sticker 5100 containing an adhesive on the other side, the gear 5300 is the sticker 5100 Integrating power meter learning precinct, characterized in that it further comprises a through hole (5320) in the area corresponding to the display area (5120). A motor 6000 including a motor body 6100 and a motor shaft 6200; A magnet 7000 fastened to the motor shaft 6200 of the motor 6000; A motor mounting part 2000 including a through hole into which the motor body 6100 is inserted; At least one battery 3100 for supplying power to the motor 6000; A rotating conductor part which supports the magnet 7000 and includes a conductor rotating plate including a protrusion, a recess, or a through hole at the center of rotation, and a lever pin 4400 fastened to or formed integrally with the outer circumference of the conductor rotating plate. (4000); A gear part 5330 is provided on an outer circumference thereof in contact with the lever pin 4400, and a gear wheel 5300 interlocked with a rotational movement of the rotary conductor part; And Integrated power meter learning teaching aids, including; a substrate (1100) including a fastening hole into which a part of the motor mounting part (2000) is inserted. The method of claim 5, And a switch 3400 electrically connected to the battery 3100 and the motor 6000 and for selectively blocking power supplied from the battery 3100 to the motor 6000. Power meter learning parish.

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