JPH08838A - Vehicle toy of electromagnetic induction charging system - Google Patents

Abstract

PURPOSE:To easily, safely and surely perform charging by eliminating any contact defect caused by the damage or corrosion of a charger plug by preventing a battery from being degraded in the case of charging by providing an electromagnetic induction charging means for charging the battery built in the vehicle toy with electromagnetic induction due to an external magnetic field. CONSTITUTION:First of all, when a connection plug 25 is connected to a commercial power source and a main switch 24 is turned on, power is supplied to a charging stand 20. Next, when a main body 10 of the vehicle toy is put on the charging stand 20, a switch 23 is pushed down with a projection at the lower part of a car body 11 and turned on, a current flows through a charging control part to a second induction coil 21 of the charging stand 20, and an induction magnetic field is generated. On the other hand, since a first induction coil provided at the car body 11 put on the charging stand 20 is made closer to the position corresponding to the second induction coil 21 of the charging stand 20, with the magnetic field of this second induction coil 21, an induction current is generated at the first induction coil by the principle of electromagnetic induction. This induction current is converted to DC by a rectifier and charges the battery built in the car body 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle toy capable of charging a battery contained in the vehicle toy simply by placing the battery-driven vehicle toy on a charging stand for generating a dielectric magnetic field.

[0002]

2. Description of the Related Art Conventionally, in a battery-powered vehicle toy or the like, when charging a battery to be used, it is necessary to take out the battery from the toy and then charge the battery with a dedicated charger.
Alternatively, the battery was charged in the toy from an external charger via the connection plug.

However, when the battery is taken out of the toy and charged, the battery is frequently removed and attached, so that the film of the battery is deteriorated or the battery is charged from an external charger through the plug. There was a drawback that it became difficult to charge due to damage or corrosion. In addition, when the battery is replaced, the positive and negative electrodes of the battery may be inserted in the wrong direction.

[0004]

Therefore, the present invention prevents the deterioration of the battery when charging the battery by charging the battery while it is mounted, and eliminates the contact failure due to the damage or corrosion of the charger plug, etc. An object of the present invention is to provide a toy vehicle that can easily and safely and surely charge a battery.

[0005]

In order to achieve the above object, an electromagnetic induction charging type vehicle toy of the present invention is an electromagnetic induction charging means for charging a battery built in the vehicle toy by electromagnetic induction by an external magnetic field. It is equipped with.

[0006] Further, the first to generate a current by electromagnetic induction
Of the induction coil, a rectifier for converting the alternating current generated in the first induction coil into a direct current and charging the same, a rechargeable battery charged by the current of the rectifier, a driving means driven by the battery, When the vehicle toy main body equipped with a switching means for switching and connecting a circuit of the battery and the rectifier or the driving means and the first induction coil are brought close to each other, the first
A second induction coil that generates a magnetic field for generating an electromagnetic induction current in the induction coil, and a charging stand provided with a connecting unit that connects the second induction coil to a power source via the charging control unit. It is preferable.

Furthermore, when the vehicle toy body is placed on the charging stand, the circuit of the rectifier and the rechargeable battery of the vehicle toy body is turned on, and the circuit of the battery and the driving means is turned off. , When you remove the toy body from the charging stand,
The vehicle toy body is equipped with the first switching means for turning off the circuit of the rectifier and the rechargeable battery and turning on the circuit of the rechargeable battery and the driving means, and when the vehicle toy body is placed on the charging stand, It is preferable that the charging stand is provided with a second switching means for turning off the circuit of the commercial power source and the charging stand when the circuit of the commercial power source and the charging stand is turned on and the vehicle toy body is lowered from the charging stand. .

[0008]

In the electromagnetic toy vehicle toy having the structure of the present invention, the battery built in the vehicle toy is charged by the principle of electromagnetic induction by an external magnetic field.

Further, the main body of the vehicle toy is placed on the charging stand, and the first induction coil mounted on the main body of the vehicle toy is brought close to the second induction coil which is built in the charging stand and which generates a magnetic field which produces an electromagnetic dielectric effect. Then, an alternating current is generated in the first induction coil by electromagnetic induction. The alternating current generated in the first induction coil is converted into direct current by the rectifier to charge the rechargeable battery. The charged battery is connected to the driving means of the vehicle toy body by the switching means and drives the driving means. The second induction coil of the charging stand is connected to a commercial power source via a charging control means, and generates a magnetic field for generating an electromagnetic induction current in the first induction coil placed close thereto.

Further, when the main body of the toy vehicle is placed on the charging stand, the circuit of the built-in rectifier and the battery is turned on, and the first switching means for turning off the circuit of the battery and the driving unit is provided. The built-in battery is automatically charged just by placing the vehicle toy body on. Further, the first switching means can be immediately driven by the driving means because the circuit of the rectifier and the battery is turned off and the circuit of the battery and the driving portion is turned on when the vehicle body of the toy vehicle is lowered from the charging stand.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to an embodiment shown in the drawings. 1 to 8 show an embodiment of the present invention, FIG. 1 is a perspective view of a vehicle toy main body and a charging stand, FIG. 2 is a sectional view showing a device arrangement inside the vehicle toy main body, and FIG. 3 is inside the vehicle toy main body. FIG. 4 is a plan view showing an arrangement of devices, FIG. 4 is a sectional view showing an arrangement of devices on a charging stand, and FIG. 5 is a plan view showing an arrangement of devices on a charging stand.
FIG. 6 is a perspective view of the transmitter, FIG. 7 is a diagram showing the internal configuration of the transmitter, and FIG. 8 is a block diagram showing the overall configuration.

In these figures, an electromagnetic induction charging type vehicle toy according to the present invention is a vehicle toy main body 10 and a charging stand 20 for charging a battery built in the vehicle toy main body 10.
And a transmitter 30 for manipulating the vehicle toy body 10 by radio control.

The vehicle toy main body 10 includes a vehicle body 11 formed by molding a material such as plastic, and left and right steering wheels 1
2a, 12a and left and right drive wheels 12b, 12b are provided. The control wheels 12a, 12a are steered left and right by the control section 13, and the drive wheels 12b, 12b are driven by the drive motor 14a of the drive section 14. It has become.

On the lower side of the substantially central portion of the vehicle body 11, the first
An electromagnetic induction coil 15 is provided, a rectifier 16 and a rechargeable battery 17 are provided inside the vehicle body 11, and a changeover switch 18 (first changing means) when the vehicle body 11 is placed on the charging stand 20 It is provided at a position corresponding to the protrusion 28 formed on the charging stand 20. This change-over switch 18 (first change-over means) is provided for charging the vehicle body 11 to the charging stand 20.
When it is placed on the
When the rectifier 16 and the battery 17 are turned on, the battery 17 and the receiving unit 19 are turned off, and when the vehicle body 11 is taken off the charging stand 20, the rectifier 16 and the battery 17 are turned off,
The battery 17 and the receiver 19 are turned on.

The charging base 20 is made of a material such as plastic, and is formed in a flat rectangular shape having a size on which the vehicle body 11 can be placed, and the central upper portion has a rectangular low protruding portion. 20a is formed. On the inside of the protrusion 20 a of the charging stand 20, the vehicle body 11
The second electromagnetic induction coil 21 is arranged at a position corresponding to the first electromagnetic induction coil 15 so that the first electromagnetic induction coil 15 comes as close as possible when the second electromagnetic induction coil 15 is placed on the charging stand 20 in alignment with the projection 20a. A charge control unit (charge control means) 22 that controls the induction coil 21 is provided. Further, the charging stand 20 is provided with a switch 23 (second switching means) at a position corresponding to the protrusion 29 provided on the vehicle body 11. The switch 23 (second switching means) disconnects the circuit between the main switch 24 and the charge control unit 22 when the vehicle body 11 is not placed on the charging stand 20, and when the vehicle body 11 is placed on the charging stand 20. Is pressed down by the protrusion 29 to connect the circuit of the main switch 24 and the charging control unit 22. The charging stand 20 includes a switch 23 (second switching means), a main switch 24, an electric wire 26 and a connection plug 2.
It is designed to be connected to a commercial power source via 5.

The transmitter 30 is provided with control sticks 35a and 35b on the front side of its case 31, an antenna 32 in the center of the upper part, a transmitter 33 inside, and a battery for supplying power to this transmitter 33. 34 and switch 3
6 is provided.

According to the above construction, when the connection plug 25 is first connected to the commercial power source and the main switch 24 is turned on, the charging base 20 is supplied with power, but the vehicle toy body 10 is placed on the charging base 20. In the unloaded state, the switch 23 is turned off and no current flows in the charging control unit 22.

Next, when the vehicle toy main body 10 is placed on the charging stand 20, the switch 23 of the charging stand 20 is pushed down by the projection 29 on the lower part of the vehicle body 11 and turned on. As a result, a current flows through the second induction coil 21 via the charging controller 22 in the charging stand 20 to generate a dielectric magnetic field.

The changeover switch 18 of the vehicle body 11 placed on the charging stand 20 turns off the circuit of the battery 17 and the receiving section 19 and connects the rectifier 16 to the battery 17. Meanwhile, the charging stand 2
Since the first induction coil 15 provided on the vehicle body 11 placed on 0 approaches the position corresponding to the second induction coil 21 of the charging stand 20, the magnetic field of the second induction coil 21 An induction current is generated in the first induction coil 15 by the principle of electromagnetic induction. This induced current is converted into direct current by the rectifier 16 and charges the battery 17.

In this way, by leaving the vehicle toy main body 10 on the charging stand 20 for a predetermined time,
Charging is completed. When charging is completed and the vehicle toy 10 is unloaded from the top of the charging stand 20, the switch 23 of the charging stand 20 separates from the protrusion 29 of the vehicle body 11 and is turned off. Be refused. Also,
The changeover switch 18 of the vehicle body 11 is the protrusion 2 of the charging stand 20.
The circuit of the first induction coil 15, the rectifier 16, and the battery 17 is turned off by switching away from 8, and the circuit of the battery 17 and the receiving unit 19 are connected.

Therefore, the vehicle toy 10 is placed on the floor, the switch 36 of the transmitter 30 is turned on, and the control sticks 35a and 35b are operated to transmit a control and drive signal from the antenna 32. Is received by the receiving unit 19 on the vehicle body 11 side, and the control unit 13 and the driving unit 14 are controlled, so that the vehicle toy 10 can be freely moved forward, backward, front and rear, and left and right.

In the above embodiment, the switch is provided so that charging is performed when the vehicle body 11 is placed on the charging stand 20, but the direction of the vehicle body to be placed on the charging stand without these switches is described. It can also be recharged independently of.

Although the preferred embodiment of the present invention has been described, it goes without saying that various modifications and changes can be made without departing from the spirit of the present invention.

[0024]

As explained above, according to the electromagnetic induction charging type vehicle toy of the present invention, the vehicle is operated on the principle of electromagnetic induction simply by placing the vehicle toy containing the induction coil and the battery on the charging stand. The battery built into the toy can be easily charged, and there is no need to take out the battery from the vehicle toy or directly connect the connection plug to the vehicle toy. Therefore, charging is extremely easy, and even an infant can perform the charging operation, and there are few chances of damage to the battery, and charging failure due to corrosion of the plug can be prevented. Furthermore, it is easy to handle when charging and is safe for infants.

[Brief description of drawings]

FIG. 1 is a perspective view of a vehicle toy main body and a charging stand according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing the arrangement of devices inside the vehicle toy body of the embodiment of the present invention.

FIG. 3 is a plan view showing the arrangement of devices inside the vehicle toy body of the embodiment of the present invention.

FIG. 4 is a cross-sectional view showing a device arrangement of a charging stand according to the embodiment of the present invention.

FIG. 5 is a plan view showing a device arrangement of a charging stand according to the embodiment of the present invention.

FIG. 6 is a perspective view of a transmitter according to an embodiment of the present invention.

FIG. 7 is a diagram showing an internal configuration of a transmitter according to an embodiment of the present invention.

FIG. 8 is a block diagram showing the overall configuration of an embodiment of the present invention.

[Explanation of symbols]

 10 vehicle toy 11 vehicle body 12 wheel 13 control unit 14 drive unit 14a drive motor 15 first induction coil 16 rectifier 17 battery 18 changeover switch 19 receiving unit 20 charging stand 21 first induction coil 22 charging control unit 23 switch 24 main switch 25 Connection Plug 26 Wire 28 Protrusion 29 Protrusion 30 Transmitter 31 Case 32 Antenna 33 Transmitter 34 Battery 35 Control Stick 36 Switch

Claims (3)

[Claims] 1. An electromagnetic induction charging type vehicle toy comprising electromagnetic induction charging means for charging a battery built in the vehicle toy by electromagnetic induction by an external magnetic field. 2. A first induction coil that generates a current by electromagnetic induction, a rectifier that converts an alternating current generated in the first induction coil into a direct current and charges the rectifier, and a charging type that is charged by the current of the rectifier. A vehicle toy main body equipped with a battery, driving means driven by the battery, and switching means for switching and connecting the circuit of the battery and the rectifier or the driving means, and the first induction coil are brought close to each other. A charging stand provided with a second induction coil that generates a magnetic field that generates an electromagnetic induction current in the first induction coil, and a connecting unit that connects the second induction coil to a power source via a charging control unit. The vehicle toy of the electromagnetic induction charging system according to claim 1, further comprising: 3. The circuit of the rectifier and the rechargeable battery of the vehicle toy body is turned on and the circuit of the battery and the driving means is turned off when the vehicle toy body is placed on the charging stand. When the vehicle toy body is unloaded from the charging stand, the vehicle toy body is provided with first switching means for turning off the circuit of the rectifier and the rechargeable battery and turning on the circuit of the rechargeable battery and the driving means. When the vehicle toy body is placed on the charging stand, the circuit between the commercial power source and the charging stand is turned on, and when the vehicle toy body is removed from the charging stand, the circuit between the commercial power source and the charging stand is turned off. The electromagnetic toy vehicle toy according to claim 1, wherein the charging stand is provided with a second switching means.