JPH05173974A - Portable device - Google Patents

Abstract

PURPOSE:To charge the battery of the portable device while the device is in use and to extend the battery driving time by providing an energy transducing means and a charging means. CONSTITUTION:The portable device which is supplied with the electric power from the battery 9 incorporated in its device main body to operate is equipped with a power generation part 1 as the energy transducing means which transduces the kinetic energy generated when the device main body is carried into electric power and a charging circuit 4 which supplies the electric power obtained by the power generation part 1 to the battery 9 as charging electric power. Then the kinetic energy of a swing, etc., caused when the device main body is carried is transduced into the electric power by the power generation part 1. This electric power is charged in the incorporated battery 9 by the charging circuit 4. Consequently, while the device is in use, the battery 9 can be charged without being supplied with charging power from a commercial AC power source, etc., and the driving time of the battery can be made long.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable device such as a portable personal computer (personal computer) having a built-in battery.

[0002]

2. Description of the Related Art A portable personal computer that is carried and used anywhere is not always in an environment where it can be supplied with power from the outside, such as outdoors. For this reason,
A battery is built in the main body of the apparatus, and it is configured to operate by being supplied with electric power from the battery.

Since the charge capacity of the battery built in the portable personal computer is limited, the battery must be charged. In such a case, bring the portable personal computer to a place where there is a commercial AC power source, etc.
The charging is performed by connecting via a DC converter.

By the way, if the charge capacity of the battery is increased, the portable personal computer can be used for a long time, but there is a restriction that the battery must be stored in a limited space. It was difficult to secure such a large capacity in the battery. Therefore, the battery life of the portable personal computer has been greatly limited.

[0005]

As described above, the conventional portable personal computer has a limited use time due to the charge capacity of the built-in battery, and is a convenient charging method other than bringing it to a place where there is a commercial AC power source or the like. The reality was that there was no.

The present invention has been made in view of the above circumstances, and enables the battery to be charged while being used without being supplied with charging power from a commercial AC power source or the like, and prolongs the battery drive time. It is an object of the present invention to provide a portable device that can be used.

[0007]

In order to achieve the above object, the present invention provides a portable device which operates by receiving power supply from a battery built in the main body of the apparatus, which is generated by carrying the main body of the apparatus. An energy conversion means for converting energy into electric power and a charging means for supplying the electric power converted by the energy conversion means to the battery as charging electric power are provided.

[0008]

According to the present invention, by taking the above-mentioned means, the kinetic energy such as shaking caused by carrying the apparatus body is converted into electric power by the energy converting means. Then, this electric power charges the built-in battery by the charging means. As a result, the battery life of the portable device is extended.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows the configuration of a portable personal computer according to an embodiment of the present invention. The portable personal computer of this embodiment is
A power generation unit 1 that converts kinetic energy generated by carrying or the like into electric power and outputs the electric power is provided.

The output terminal of the power generation section 1 is connected to the AC side input terminal of the bridge rectifier circuit 2, and the DC side output terminal of the bridge rectifier circuit 2 is connected to the booster circuit 3. The output terminal of the booster circuit 3 is connected to the charging circuit 4.

In the charging circuit 4, a series circuit including a diode 5, a resistor 6 and a capacitor 7 is connected between the output terminals of the booster circuit 3, and both ends of the capacitor 7 are connected to a battery 9 through a diode 8 in the forward direction. ing. Battery 9
Is connected to various circuits 10 that operate by receiving power supply from the battery 9. The respective components connected as described above are respectively housed and fixed in the housing 11 of the apparatus body as shown in FIG.

The power generation section 1 functions as an energy converting means, and as shown in FIG. 3, rotatably supports the center of a flywheel 12 that is balanced so as to retain kinetic energy, and surrounds the flywheel 12. The coil 13 is wound around.

The flywheel 12 includes magnets separated into an S pole and an N pole in the diametrical direction, and is designed to rotate due to external stress such as shaking when carrying a portable personal computer.

In the present embodiment configured as described above, the flywheel 12 converts the swing of the portable personal computer into its own rotational movement, so that the flywheel 12 is carried when the portable personal computer is carried. Rotates to generate kinetic energy. When the flywheel 12 rotates, the magnetic field that penetrates the coil 13 wound around the flywheel 12 changes, and an alternating induction current flows through the coil 13.

The alternating current generated in the coil 13 is rectified by the bridge circuit 2, the rectified current is boosted by the boosting circuit 3, and then input to the charging circuit 4. And this charging circuit 4
The battery 9 is charged from.

As described above, according to this embodiment, the power generation unit 1 including the flywheel 12 and the coil 13 is provided in the portable personal computer 11.
Since the kinetic energy generated by carrying the portable personal computer 11 is converted into electric power to charge the battery 9, the battery 9 is automatically charged inside the personal computer when carrying the portable personal computer 11. Therefore, the driving time of the battery 9 can be extended.

Incidentally, the flywheel 12 shown in the above-mentioned embodiment.
Has a fixed rotation axis. For example, as shown in FIG. 4, a sphere 14 separated into an S pole and an N pole is rotatably held in all directions, and the sphere 14 is associated with each rotation direction around the sphere. It is also possible to use a structure in which the coils 15 to 18 are wound.

By using such a power generation unit, the momentum given to the sphere 14 can be most efficiently converted into the rotary motion when the portable personal computer is carried, and the battery drive time can be further extended. Become.

The power generation unit 1 is not limited to the combination of the flywheel and the coil, but may be any other unit as long as it can convert kinetic energy given when carrying a portable personal computer into electric power. Is also good. Also,
In the above-mentioned one embodiment, the portable personal computer has been described as an example, but the present invention is not limited to the personal computer, and can be applied to any device that can be carried with a built-in battery.

[0020]

As described above in detail, according to the present invention, the battery can be charged while being used without being supplied with charging power from a commercial AC power source or the like, and the battery drive time can be extended. A portable device that can be provided can be provided.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a portable personal computer according to an embodiment of the present invention.

FIG. 2 is a perspective view showing an outline of a portable personal computer according to an embodiment.

FIG. 3 is a principle diagram of a power generation unit included in the portable personal computer according to the embodiment.

FIG. 4 is a principle diagram of a modified example of a power generation unit.

[Explanation of symbols]

1 ... Power generation part, 2 ... Bridge rectifier circuit, 3 ... Booster circuit, 4
… Charging circuit, 9… Battery, 10… Electrical circuit, 12…
Flywheel, 13 ... Coil.

Claims (1)

[Claims] 1. In a portable device that operates by receiving power supply from a battery built in the device body, energy conversion means for converting kinetic energy generated by carrying the device body into electric power, and this energy conversion means. A charging device for supplying the electric power converted by the battery as electric power for charging to the battery.