JP2014207829A - Portable charging device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable charging device that enables long-time stable charging, and that can simultaneously charge a plurality of portable electronic devices.SOLUTION: A portable charging device comprises: a portable accumulator battery 11 having a battery side power feeding terminal part connected with an external portable electronic device, and a battery side charging terminal part connected with an external power supply; and a coupling device 12 having a housing part 22 individually housing a plurality of portable accumulator batteries 11 while enabling connection between the battery side power feeding terminal part of each portable accumulator battery 11 and the portable electronic device, a power feeding part receiving a power supplied from each portable accumulator battery 11 and feeding the power to the portable electronic device, and a charging part receiving a power supplied from the external power supply and charging the power to the portable accumulator batteries 11. In a state that the portable accumulator batteries 11 are housed in the housing part 22, a battery side connector electrically connecting between the portable accumulator batteries 11, and the power feeding part and the charging part is arranged in the portable accumulator batteries 11, and a coupling side connector 23 connected with the battery side connector is arranged in the coupling device 12.

Description

  The present invention relates to a portable charging device that accommodates a plurality of portable storage batteries that can be used independently.

  In recent years, portable electronic devices such as smartphones, tablet terminals, and portable data communication devices will soon run out of power depending on their usage, so we want to easily charge these portable electronic devices even outdoors. The demand is increasing. Therefore, a portable storage battery for charging these devices is often carried with the portable electronic device.

  However, in the case of continuing to use outdoors for a long time, even if the portable storage battery is charged in advance, the charging of the portable electronic device may be insufficient with only one portable storage battery. In order to avoid this, a plurality of portable storage batteries are carried around and replaced with a new portable storage battery every time charging is insufficient, but the replacement work is troublesome. In addition, if you want to charge multiple portable electronic devices at the same time, you must connect the portable storage battery to each portable electronic device individually, and the time until charging of all the electronic devices is completed. It will be long.

  The present invention has been made in view of the above circumstances, and can stably charge a portable electronic device for a long time without replacing a plurality of portable storage batteries each time. It is an object of the present invention to provide a portable charging device that can charge devices simultaneously.

The present invention employs the following means in order to solve the above problems.
A portable charging device according to the present invention includes a portable storage battery having a battery-side power supply terminal connected to an external portable electronic device and a battery-side charging terminal connected to an external power source, and each of the portable The battery-side power supply terminal portion of the storage battery and the portable electronic device can be connected to each other, and a housing portion that individually accommodates the plurality of portable storage batteries, and power supplied from each of the portable storage batteries A coupling device having a power feeding unit that feeds power to the portable electronic device and a charging unit that is supplied with power from an external power source and charges the portable storage battery, and the portable storage battery is accommodated in the housing unit In this state, a battery-side connecting portion that electrically connects the portable storage battery, the power feeding portion, and the charging portion is disposed on the portable storage battery, and is connected to the battery-side connecting portion. Is arranged in the coupling device. The features.

  According to the present invention, a plurality of portable storage batteries are accommodated in a casing part, whereby the coupling side connection part and the battery side connection part are connected, and each portable storage battery and the power feeding part of the coupling device are connected. Therefore, by electrically connecting the power feeding unit and the external portable electronic device, it is possible to supply power to the portable electronic device with a larger capacity than a single portable storage battery.

  At this time, each portable storage battery and the charging unit of the coupling device are also connected. Therefore, by connecting the external power source and the charging unit, a plurality of portable storage batteries themselves can be charged at a time via the coupling device.

  In addition, even when each portable storage battery is housed in the casing of the coupling device, an external portable electronic device and the battery-side power supply terminal of the portable storage battery can be directly connected to each other. Power can be supplied from each portable storage battery simultaneously and individually to the device.

  Further, the portable charging device according to the present invention is the portable charging device, wherein the portable storage battery detects the state where the battery side connecting portion and the coupling side connecting portion are connected, and The battery side control part which makes a type | mold storage battery into an operating state is provided.

  According to the present invention, the portable storage battery can be operated only by housing the portable storage battery in the housing portion without directly operating the portable storage battery alone.

  According to the present invention, a portable electronic device can be stably charged for a long time without replacing a plurality of portable storage batteries each time, and a plurality of portable electronic devices can be charged simultaneously.

It is a principal part perspective view which shows the state which has distribute | arranged the portable storage battery to the portable charging device which concerns on one Embodiment of this invention. It is the front view, top view, and side view which show the portable storage battery of the portable charging device which concerns on one Embodiment of this invention. It is explanatory drawing which shows the electrical schematic structure of the portable charging device which concerns on one Embodiment of this invention. It is the front view, top view, and side view which show the external appearance of the whole coupling | bonding apparatus of the portable charging device which concerns on one Embodiment of this invention.

An embodiment according to the present invention will be described with reference to FIGS.
As shown in FIG. 1, the portable charging device 10 according to the present embodiment includes a portable storage battery 11 and a coupling device 12 that accommodates the portable storage battery 11.

  As shown in FIGS. 2 and 3, the portable storage battery 11 includes a battery-side power supply terminal portion 13 connected to an external portable electronic device E1, a battery-side charging terminal portion 15 connected to an external power source P, The battery side connection part 16 connected with the coupling device 12, the battery side control part 17 which controls charging / discharging, and the battery side electric power feeding circuit part 18 and the battery side charging circuit part 19 which connect these are provided. The portable storage battery 11 is further provided with a power switch 20 for bringing the portable storage battery 11 into an operating state alone and a display unit 21 for displaying the remaining battery level.

  The battery side connection unit 16 includes a battery side input terminal 16A for charging the portable storage battery 11 via the coupling device 12, and a battery side output terminal for supplying power to the portable electronic device E1 via the coupling device 12. 16B, a battery-side GND terminal 16C, and an identification signal input terminal 16D from the coupling device 12 are provided. The battery side control unit 17 receives the signal from the coupling device 12 by connecting the battery side connection unit 16 to a coupling side connection unit 23 described later of the coupling device 12, and puts the portable storage battery 11 into an operating state. The circuit has a circuit for charge / discharge management, prevention of overcharge / overdischarge, boosting, and the like.

  1, 3, and 4, the coupling device 12 enables a direct connection between the battery-side power supply terminal portion 13 of the portable storage battery 11 and the portable electronic device E <b> 2, and a plurality of portable storage batteries 11. A connection part 23 connected to the battery side connection part 16, a power supply part 25 that is supplied with power from each portable storage battery 11 and supplies power to the portable electronic devices E1 and E2. A charging unit 26 that is supplied with power from the external power source P and charges the portable storage battery 11, and a cover 27 that covers the portable storage battery 11 that is engaged with and housed in the housing unit 22.

  The housing portion 22A accommodates the storage unit 22A in which the portable storage battery 11 is accommodated, and the battery-side power feeding of the portable storage battery 11 accommodated in the portable electronic device E2 and the accommodation unit 22A even when the cover 27 is attached. A groove 22B for forming an opening through which the cable C1 for directly connecting the terminal portion 13 can be inserted is formed. In the figure, the storage portion 22A is formed so as to be able to store three portable storage batteries 11, but is not limited to three. Note that the groove 22B may be a hole or the like as long as the cable C1 can be inserted.

  The coupling side connection unit 23 includes a coupling side output terminal 23A for charging the portable storage battery 11 via the coupling device 12, and a coupling side input terminal for supplying power to the portable electronic device E1 via the coupling device 12. 23B, the coupling | bonding side GND terminal 23C, and the identification signal output terminal 23D to the portable storage battery 11 are provided. The identification signal output terminal 23D is connected to the GND 24B via the resistor 24A.

The power supply unit 25 includes an integrated power supply terminal unit 25A connected to the portable electronic device E1, and a coupling-side power supply circuit unit 25B that connects the integrated power supply terminal unit 25A and the coupling-side input terminal 23B.
The charging unit 26 includes an integrated charging terminal unit 26A connected to the external power supply P, and a combined charging circuit unit 26B that connects the integrated charging terminal unit 26A and the combined output terminal 23A.

Next, the operation of the portable charging device 10 according to the present embodiment will be described.
When charging one portable electronic device E2 using the portable charging device 10, first, each portable storage battery 11 is housed in the housing portion 22A of the housing portion 22 with the cover 27 removed. . At this time, the battery side connection portion 16 and the coupling side connection portion 23 are electrically connected to each other.

  That is, the battery side output terminal 16B and the coupling side input terminal 23B are connected, and the identification signal input terminal 16D and the identification signal output terminal 23D are connected.

  At this time, the GND 24B signal is input from the identification signal input terminal 16D to the battery side control unit 17 via the battery side power supply circuit unit 18 of the portable storage battery 11. Based on this, the battery side control part 17 makes the portable storage battery 11 into an operation state. In this state, by connecting the cable C1 to the integrated power supply terminal portion 25A of the coupling device 12, charging of the portable electronic device E2 is started via the coupling-side power supply circuit portion 25B.

  On the other hand, when charging with each portable storage battery 11 connected to a separate portable electronic device E1, the cable C1 is inserted into the groove 22B while the portable storage battery 11 is housed in the housing portion 22A. The battery-side power supply terminal unit 13 and the portable electronic device E1 are directly connected by the cable C1.

  At this time, as described above, since the portable storage battery 11 is in an operating state when the portable storage battery 11 is accommodated in the accommodating portion 22A, each portable storage battery 11 charges the portable electronic device E1 as it is. .

  Next, when charging a plurality of portable storage batteries 11 using the portable charging device 10, the portable storage batteries 11 are respectively stored in the storage portions 22 </ b> A of the housing portion 22 with the cover 27 removed. At this time, the battery side connection portion 16 and the coupling side connection portion 23 are electrically connected. That is, the battery side input terminal 16A and the coupling side output terminal 23A are connected.

  And the external power supply P and the integrated charge terminal part 26A are connected. At this time, the external power source P and the portable storage battery 11 are connected via the coupling side charging circuit unit 26B of the coupling device 12, and the portable storage batteries 11 are charged simultaneously.

  According to the portable charging device 10, the portable storage battery 11 is accommodated in the accommodating portion 22 </ b> A of the housing portion 22, whereby the coupling-side connecting portion 23 and the battery-side connecting portion 16 are connected to each other. Are connected to the power supply unit 25 of the coupling device. Therefore, by electrically connecting the power supply unit 25 and the external portable electronic device E1, it is possible to supply power to the portable electronic device E1 with a larger capacity than the single portable storage battery 11.

  Moreover, even if the remaining capacities of the plurality of portable storage batteries 11 vary, the portable electronic device E1 can be charged as long as any portable storage battery 11 has a capacity.

  Furthermore, since each portable storage battery 11 and the charging unit 26 of the coupling device 12 are connected, by connecting the external power supply P and the charging unit 26, a plurality of portable storage batteries 11 can be simultaneously connected via the coupling device 12. Can be charged.

  Further, even when each portable storage battery 11 is housed in the housing portion 22A of the housing portion 22 of the coupling device 12, the external portable electronic device E1 and the portable storage battery 11 are inserted by inserting the cable C1 through the groove 22B. The battery side power supply terminal portion 13 can be directly connected to each other. Therefore, power can be supplied from each portable storage battery 11 simultaneously and individually to the plurality of portable electronic devices E2.

  In addition, when charging the portable storage battery 11 independently, it can charge by connecting the external power supply P and the battery side charge terminal part 15 directly.

The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
For example, in the above embodiment, the portable storage battery 11 is automatically put into an operating state by housing the portable storage battery 11 in the housing portion 22A of the housing unit 22. The power supply 20 may be in an operating state only after the power switch 20 is operated.

DESCRIPTION OF SYMBOLS 10 Portable charging device 11 Portable storage battery 12 Coupling device 13 Battery side feeding terminal part 15 Battery side charging terminal part 16 Battery side connection part 17 Battery side control part 18 Circuit part 22 Case part 22A Storage part 22B Groove 23 Connection side connection Unit 25 power supply unit 26 charging unit E1, E2 portable electronic device P external power supply

Claims (2)

A portable storage battery having a battery-side power supply terminal connected to an external portable electronic device and a battery-side charging terminal connected to an external power source;
A housing part that individually accommodates a plurality of the portable storage batteries, and power supply from each of the portable storage batteries, while enabling connection between the battery-side power supply terminal part of each of the portable storage batteries and the portable electronic device A coupling device comprising: a power feeding unit that feeds power to the portable electronic device; and a charging unit that is powered from an external power source and charges the portable storage battery;
With
In a state where the portable storage battery is accommodated in the casing, a battery-side connection portion that electrically connects the portable storage battery, the power feeding unit, and the charging unit is arranged in the portable storage battery, and A portable charging device, wherein a coupling side connection portion connected to a battery side connection portion is arranged in the coupling device. The portable storage battery includes a battery-side control unit that detects a state in which the battery-side connection unit and the coupling-side connection unit are connected to bring the portable storage battery into an operating state. Item 2. The portable charging device according to Item 1.

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