KR100406240B1 - Solar-powered device for charging a battery unit of a mobile telephone handset - Google Patents

Abstract

The solar device for charging the cell phone battery is placed in the cell phone battery. The solar device comprises an optical sensor, a photoelectric conversion circuit operably coupled to the optical sensor for converting the light sensed by the optical sensor into a corresponding current signal, and a current signal that results in a charging current for charging the mobile phone battery. Receiving and processing, includes a current processing circuit electrically coupled to the photoelectric conversion circuit.

Description

SOLAR-POWERED DEVICE FOR CHARGING A BATTERY UNIT OF A MOBILE TELEPHONE HANDSET}

The present invention relates to a battery charging device, and more particularly to a solar device for charging a mobile phone battery.

Due to the miniaturization of cell phones, the size of cell phone batteries is shrinking and also causes a decrease in battery capacity. Thus, frequent battery recharging is required. You can use a travel charger that is very convenient to carry, but you still need to connect it to a power source. Thus, some users wish to carry extra batteries. However, there are reports that batteries carried in bags and exposed to other metal bodies can cause an accident.

Therefore, the main object of the present invention is to provide a solar device for charging a mobile phone battery.

According to one embodiment of the invention, a solar device for charging a battery is arranged in a cellular phone battery. The solar device comprises an optical sensor, a photoelectric conversion circuit operably coupled to the optical sensor for converting the light sensed by the optical sensor into a corresponding current signal, and a current signal that results in a charging current for charging the mobile phone battery. And a current processing circuit electrically coupled to the photoelectric conversion circuit.

According to another embodiment of the present invention, a cellular phone battery includes a battery body and a solar device disposed in the battery body. The solar device receives an optical sensor, a photoelectric conversion circuit operably coupled to the optical sensor for converting the light sensed by the optical sensor into a corresponding current signal, and a current signal that results in a charging current for charging the battery body. And a current processing circuit electrically coupled to the photoelectric conversion circuit.

According to another embodiment of the invention, the solar device is located on the outer surface of the cellular phone housing for charging the cellular phone battery. The solar device comprises an optical sensor, a photoelectric conversion circuit operably coupled to the optical sensor for converting the light sensed by the optical sensor into a corresponding current signal, and a current signal that results in a charging current for charging the mobile phone battery. And a current processing circuit electrically coupled to the photoelectric conversion circuit.

Other features and advantages of the present invention will become apparent from the following detailed description of the preferred embodiments with reference to the accompanying drawings.

1 is a partially enlarged view schematically showing a preferred embodiment of the solar device according to the present invention in a first preferred use state,

2 is a cross-sectional view schematically showing the assembly of the preferred embodiment,

3 is a schematic block diagram of a preferred embodiment,

4 is a schematic diagram showing a preferred embodiment in a second preferred use state,

5 is a schematic view showing a preferred embodiment in a third preferred use state,

6 is a schematic view showing another preferred embodiment of the solar device according to the invention,

7 is a schematic block diagram of the preferred embodiment of FIG. 6,

8 is a schematic side view of a modified cover plate of the preferred embodiment.

<Explanation of symbols for the main parts of the drawings>

1: solar device 2: transparent cover plate

3: battery 10: light sensor

11: photoelectric conversion circuit 12: current processing circuit

121: voltage stabilizer 122: charging circuit

1 to 3, a preferred embodiment of the solar device 1 according to the present invention is shown to include an optical sensor 10, a photoelectric conversion circuit 11 and a current processing circuit 12. In a first preferred use state, the solar device 1 is arranged in a battery 3 of a cellular phone (not shown). The battery 3 comprises a battery body 31 comprising a housing having a surface 310 formed therein with a recess 30 for receiving the solar device 1, preferably a surface facing the battery cap of the cellular phone housing. Equipped with. The recess 30 may be selectively formed on the other surface of the battery body 31 housing. In the latter case, the battery 3 is detached from the cellular phone when charging is desired.

The optical sensor 10 of this embodiment is an optical sensor plate.

The photoelectric conversion circuit 11 is operatively coupled to the optical sensor 10 to convert light sensed by the optical sensor 10 into a corresponding current signal.

Referring to FIG. 3, the current processing circuit 12 includes a current stabilizer 121 and a charging circuit 122 connected to the current stabilizer 121. The current processing circuit 12 is electrically coupled to a photoelectric conversion circuit 11 that receives and processes a current signal that results in a charging current used to charge the battery body 31 of the battery 3. In the present embodiment, the current processing circuit 12 has an input terminal connected to the photoelectric conversion circuit 11 and an output terminal for outputting a charging current to the battery 3. As the charging current is supplied to the battery 3, since the charging current can be implemented by various methods known in the art, the detailed description thereof is omitted herein for the sake of brevity. Operation of the voltage stabilizer 121 and the charging circuit 122 is omitted herein.

It will be appreciated that the optical sensor 10, photoelectric conversion circuit 11 and current processing circuit 12 may be integrated into a single module. Moreover, the solar device 1 may further comprise a transparent cover plate 2 which is placed on the light sensor 10 for protection.

With the above structure, when the user needs to charge the cellular phone battery 3, the battery cap of the cellular phone housing can be simply removed to expose the battery 3 to a suitable light source, for example, solar heat, so that charging can proceed. There is no need to carry a battery charger or spare batteries.

4 shows the solar device 1 in a second preferred state of use. As shown, no recess is formed in the battery main body 31 'housing of the battery 3', and the solar device 1 is disposed directly in the battery main body 31 'housing of the battery 3'.

5 shows a solar device 1 in a third preferred state of use. As shown, the solar device 1 is disposed on the outer surface 41 of the battery cap 4 of the cellular phone (not shown) housing, while the battery 3 ″ is disposed on the inner surface 40 of the battery cap 4. It is.

6 and 7 show another preferred embodiment of the solar device 1 according to the invention. In the present embodiment, the solar device is mounted on the outer surface 41 of the battery cap 4 'of the cellular phone (not shown) and connected to the current processing circuit 12 for supplying the charging current to the battery 3. An output device 5 is further included. The output device 5 is in the form of a connection cable connected to a power socket (not shown) of the cellular phone.

The outer surface 41 of the battery cap 4. 4 ′ of the embodiment shown in FIGS. 5 and 6 shows a recess similar to the recess 30 in the embodiment of FIG. 1 to accommodate the solar device 1. May be formed). Meanwhile, the solar device 1 may be mounted on a part of the housing of the cellular phone in addition to the battery caps 4 and 4 '.

Referring to FIG. 8, the light control projection unit 20 ′ is formed on the cover plate 2 ′ for improved light convergence. In the embodiment of Figure 8, two projections 20 'are provided.

While the invention has been described in terms of the most practical and preferred embodiments, it is to be understood that the invention is not limited to the embodiments described and that various devices are included within the spirit and scope of the invention to encompass all modifications and equivalents. will be.

According to the present invention, when the user needs to charge the cellular phone battery 3, the battery cap of the cellular phone housing can be simply removed to expose the battery 3 to an appropriate light source, for example, solar heat, so that the battery can be charged. There is no need to carry a charger or spare batteries.

Claims (15)

A solar device disposed on a cell phone battery to charge a battery, the solar device, Optical Sensor, A photoelectric conversion circuit operably coupled to the optical sensor for converting light sensed by the optical sensor into a corresponding current signal, and Receiving and processing a current signal to be a charging current for charging a mobile phone battery, and including a current processing circuit electrically coupled to the photoelectric conversion circuit, And a transparent cover plate on which the light control projection is formed is placed on the optical sensor. delete delete The method of claim 1, The current processing circuit includes a voltage stabilizer and a charging circuit connected to the voltage stabilizer. In the cell phone battery, Battery body, and A solar device disposed in the battery body, the solar device, Optical Sensor, A photoelectric conversion circuit operably coupled to the optical sensor for converting light sensed by the optical sensor into a corresponding current signal, and And a current processing circuit electrically coupled to the photoelectric conversion circuit by receiving and processing a current signal to be a charging current for charging the battery body. And a transparent cover plate on which the light control projection is formed is placed on the optical sensor. delete delete The method of claim 5, And the current processing circuit includes a voltage stabilizer and a charging circuit connected to the voltage stabilizer. The method of claim 5, The battery body comprises a housing having a surface formed with a recess therein for receiving the solar device therein. In the solar device disposed on the outer surface of the mobile phone housing to charge the mobile phone battery, the solar device, Optical Sensor, A photoelectric conversion circuit operably coupled to the optical sensor for converting light sensed by the optical sensor into a corresponding current signal, and Receiving and processing a current signal to be a charging current for charging a mobile phone battery, and including a current processing circuit electrically coupled to the photoelectric conversion circuit, And a transparent cover plate on which the light control projection unit is formed is placed on the optical sensor. delete delete The method of claim 10, The current processing circuit includes a voltage stabilizer and a solar cell device of a mobile phone battery, characterized in that it comprises a charging circuit connected to the voltage stabilizer. The method of claim 10, And an output device connected to the current processing circuit and supplying a charging current to the battery. The method of claim 14, The output device is a solar cell device of a mobile phone battery, characterized in that it comprises a connection cable connected to the mobile phone power socket.