JP3056110B2 - Incoming vibrator with power generation function for mobile terminal equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an incoming call vibrator incorporated in a portable terminal device such as a portable telephone or a pager to notify an incoming call by vibration, and more particularly to an incoming call vibrator having a power generation function.

[0002]

2. Description of the Related Art Japanese Utility Model Laid-Open No. 5-91046 discloses a portable radio having a power generation function. In this radio, a power generator for extending the outer shell is attached to the main body of the portable radio, and a plate-shaped operating spring reciprocating in accordance with external vibration applied to the portable radio is provided in the power generator. A permanent magnet fixed to the tip of the operating spring and a coil arranged on the movement trajectory of the permanent magnet are built in. When vibration is externally applied to the portable wireless device, the operating spring reciprocates and becomes permanent. When the magnet moves back and forth in the coil, a current flows through the coil to generate power, and the electricity charges a battery in the portable wireless device.

[0003]

However, according to this conventional example, since the power generating device is externally attached to the portable wireless device, the size of the outer shell of the portable wireless device is increased by the size of the power generating device and the weight is reduced. Also increase. In addition, the plate-shaped operating spring reciprocates due to vibrations applied from the outside, and the permanent magnet at the tip of the operating spring moves forward and backward in the coil to generate power. However, the reciprocation of the operating spring is unidirectional. In addition, external vibration applied to the portable wireless device often does not act as a force sufficient to reciprocate the operation spring, and there is a problem that power generation efficiency is low.

According to the present invention, a built-in battery can be charged without increasing the size and weight of a portable terminal device by generating power using a ringing vibrator for notifying an incoming call by vibration, and the power generation efficiency can be improved even with a simple structure. high,
An object of the present invention is to provide a ringing vibrator with a power generation function that can greatly contribute to lower power consumption of a portable terminal device.

[0005]

SUMMARY OF THE INVENTION The present invention is directed to a receiving vibrator which is incorporated in a portable terminal device and is driven by a motor to generate vibrations. The following power generation unit is added.

That is, the power generation unit includes a first one-way clutch for transmitting rotation to the vibration pendulum between the vibration pendulum and the motor rotation shaft only in one direction of rotation of the motor rotation shaft, and a portable terminal. The power generating pendulum swings with the vibration of the device itself, and between the power generating pendulum and the rotating shaft of the motor, the swinging motion of the power generating pendulum is opposite to that of the first one-way clutch. And a second one-way clutch that transmits the rotation only in the other direction, and an output unit that extracts from the motor the electromotive force generated by the rotation of the motor in the other direction by the second one-way clutch.

According to such a configuration, during the incoming operation of the incoming vibrator, the rotating shaft of the motor rotates in one direction, and the rotation is transmitted to the vibrating pendulum by the first one-way clutch. By swinging, it functions as an original vibrator. At this time, the rotation of the rotating shaft of the motor is not transmitted to the power generating pendulum by the function of the second one-way clutch.

In normal times other than the incoming call operation, when external vibration is applied to the portable terminal device itself and the power generating pendulum swings, the power is transmitted to the rotating shaft of the motor as rotation in the other direction by the second one-way clutch. Therefore, an electromotive force is generated in the motor to function as a generator. At this time, the rotation of the rotating shaft of the motor is not transmitted to the vibration pendulum by the function of the first one-way clutch.

The vibration pendulum and the power generation pendulum may be provided on one side of the motor or separately on both sides.
In the case where they are combined on one side, a further reduction in size can be achieved by adopting a structure in which the power generation pendulum covers the vibration pendulum.

[0010]

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

FIGS. 1 and 2 show an incoming call vibrator according to an embodiment of the present invention. This incoming vibrator has a rotating shaft 2 of a motor 1 protruding from only one side of a motor case 3, and first and second two one-way clutches 4 and 5 having opposite rotation transmitting directions are provided on the rotating shaft 2. The first one-way clutch 4 is fitted with a disk-shaped vibration pendulum 6 eccentric to the rotating shaft 2, and the second one-way clutch 5 is a hollow fan-shaped power generator that covers the vibration pendulum 6. The motor pendulum 7 is attached, and a power supply terminal 8 which is also an output unit for outputting an electromotive force is provided on the outer surface of the motor case 3.

Next, the operation of the incoming call vibrator will be described. With reference to FIG.
When a voltage is applied to the power supply terminal 8, the motor 1 is driven to rotate the rotating shaft 2 clockwise, and the clockwise rotation is transmitted to the vibration pendulum 6 by the action of the first one-way clutch 4. Since this rotates eccentrically in the clockwise direction (in the direction of the dashed arrow in FIG. 1), the incoming call vibrator operates as an original vibrator to notify the incoming call. At this time, since the power generating pendulum 7 does not rotate due to the function of the second one-way clutch 5, it does not affect the clockwise rotation of the rotating shaft 2.

Next, referring to FIG. 4, when vibration is externally applied to the incoming vibrator when the motor 1 is not driven, the power generation pendulum 7 swings about the rotating shaft 2 and the swing is generated. Counterclockwise rotation (in the direction of the solid arrow in FIG. 1)
Is transmitted to the rotating shaft 2 by the action of the second one-way clutch 5, and the rotating shaft 2 rotates counterclockwise. As a result, an electromotive force is generated in the motor 2, and the electromotive force is charged from the power supply terminal 8 to the battery 10 through the power supply unit 9. At this time, since the vibration pendulum 6 does not rotate due to the function of the first one-way clutch 4, the motor 2
Is generated without being affected by the vibration pendulum 6.

FIG. 5 shows another example of the incoming call vibrator of the present invention. This incoming vibrator is a rotating shaft 2 of the motor 1.
Are protruded to both sides of the motor case 3. On one side, a vibration pendulum 6 is mounted on the rotating shaft 3 via a first one-way clutch 4, and on the other side, a second one-way Power generating pendulum 7 via clutch 5
The operation is the same as in the above example. In the case of the example of FIG. 5, the power generating pendulum 7 has a disk shape eccentric to the rotating shaft 2 similarly to the vibration pendulum 6, but is larger in size than the vibration pendulum 6.

Although the incoming call vibrator according to the present invention has a power generation function, its structure is as simple as described above, so that it is incorporated into a portable terminal device in the same manner as a conventional incoming call vibrator without a power generation function. Can be done. FIG.
FIG. 7 shows an example in which the incoming call vibrator A according to the present invention is incorporated in a mobile phone B. FIG.
Is shown in the pager C.

[0016]

As described above, according to the present invention, the motor of the ringing vibrator can also function as a generator for charging the internal battery of the portable terminal device. Compared with the technology, the power consumption of the portable terminal device can be reduced without increasing the size and weight of the portable terminal device.

Also, by simply adding a power generating pendulum and two one-way clutches to the incoming vibrator, the motor itself of the incoming vibrator can be made to function as a power generator. The incoming call vibrator is very useful not only for reducing the power consumption of the portable terminal device but also for reducing the size and cost.

[Brief description of the drawings]

FIG. 1 is a front view of an example of an incoming call vibrator according to the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a diagram showing an operation of the incoming call vibrator when receiving an incoming call.

FIG. 4 is a diagram showing an operation during power generation.

FIG. 5 is a side view of another example of the incoming call vibrator according to the present invention.

FIG. 6 is a perspective view of an example in which the incoming call vibrator according to the present invention is incorporated in a mobile phone.

FIG. 7 is a perspective view of an example in which the incoming call vibrator according to the present invention is incorporated in a pager.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 motor 2 rotating shaft 3 motor case 4 first one-way clutch 5 second one-way clutch 6 vibration pendulum 7 power generation pendulum 8 power supply terminal 9 power supply unit 10 battery

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04M 1/00 H04M 1/725 H04Q 7/38

Claims (3)

(57) [Claims] An incoming vibrator that is incorporated in a portable terminal device and generates vibration by rotating a vibration pendulum by a motor, wherein one of the rotation axis of the motor is provided between the vibration pendulum and the rotation axis of the motor. A first one-way clutch that transmits rotation to the vibration pendulum only in the direction of rotation, a power generation pendulum that oscillates with the vibration of the portable terminal device itself, and between the power generation pendulum and the rotating shaft of the motor. , A second one-way clutch that transmits the swing of the power generation pendulum only as a rotation in the other direction with respect to the rotation axis of the motor, contrary to the first one-way clutch, and the second one-way clutch. An output unit for extracting an electromotive force generated by rotation of the motor in the other direction from the motor. . 2. The incoming vibrator with a power generation function of a portable terminal device according to claim 1, wherein the vibration pendulum and the power generation pendulum are disposed on one side of the motor, and the power generation pendulum covers the vibration pendulum. 3. The incoming vibrator with a power generation function of a portable terminal device according to claim 1, wherein the vibration pendulum and the power generation pendulum are arranged separately on both sides of the motor.