JP2001309562A - Portable communication apparatus charger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To rationally charge a portable communication apparatus at low running costs. SOLUTION: A portable communication apparatus can be attached detachably to this portable communication apparatus charger. The charger has a charging connection terminal part 2 which is connected to a battery built in the portable communication apparatus, a battery 3 as a charging power supply, an output adjustment part 4 which adjusts the output of the battery and applies the adjusted output to the charging connection terminal part 2, a commercial power supply connection part 5 which is connected to a commercial power supply, and a charging circuit 6 which charges the battery built in the portable communication apparatus and the battery 3 as the charging power supply with a power from the commercial power supply via the commercial power supply connection part 5. If the commercial power supply is available, both the batteries are charged by the commercial power supply and, if the commercial power supply is not available, the battery built in the portable communication apparatus is charged by the battery 3 as the charging power supply.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charger for a portable communication device such as a portable telephone.

[0002]

2. Description of the Related Art There are two types of chargers for charging a built-in storage battery of a portable communication device, especially a portable telephone, which is used by connecting to a commercial power source, and a device which uses a so-called dry battery as a power source. The former charger is mainly used in homes where mobile phones are permanently installed, and the latter is used for emergency use when going out.

[0003]

The latter charger can be charged even in a place where there is no commercial power supply, but the battery used is disposable, and has problems in recent environmental problems and running costs. . Also, even when there is a commercial power supply in the vicinity, if only the latter type of charger is provided, charging using the commercial power supply cannot be performed, which is a problem in terms of resource utilization.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a charger for a portable communication device which can charge the portable communication device rationally at a low running cost. To be.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a charger for a portable communication device in which the portable communication device is detachable, and a charging connection terminal connected to a storage battery built in the portable communication device. Unit, a storage battery as a power supply for charging, an output adjustment unit that adjusts the output of the storage battery and applies it to the connection terminal unit for charging, and a commercial power supply connection unit for connection with commercial power,
The portable communication device is characterized by including a storage battery incorporated in the portable communication device and a charging circuit for charging a storage battery as a power supply for charging from a commercial power supply connected through the commercial power supply connection unit.

A storage battery incorporated in a portable communication device can be charged by a commercial power supply where commercial power can be used, and can be charged by a storage battery as a charging power supply when commercial power cannot be used. The storage battery serving as a power supply for charging can be charged by a charging circuit for charging the storage battery built in the portable communication device.

At this time, a switching unit is provided for switching between charging of the storage battery built in the portable communication device by the commercial power supply and charging of the storage battery built in the portable communication device by the charging power supply, or as a charging power supply by the commercial power supply and a charging power supply. It is preferable to include a display unit for displaying a state of charging by the storage battery.

[0008] If an adjusting unit for detecting the battery voltage of the internal storage battery of the connected portable communication device and changing the output level of the output adjusting unit to the charging voltage of the internal storage battery of the portable communication device is provided, It is possible to automatically cope with portable communication devices having different battery voltages.

[0009] It is also preferable that a protective cap is provided which is detachable from the charging connection terminal.

In the case where the charging connection terminal is provided at the end of a cable led out of the body, it is preferable to provide a housing for housing the cable in the body. It is even more preferable if the charging connection terminal portion can be stored in the storage portion.

[0011] A plurality of types of connection terminals for charging according to the shape of the connected terminal on the portable communication device may be selectively attachable.

The charging connection terminal may be provided on a self-supporting portion of the portable communication device provided on the body.

When the portable communication device is a portable telephone, it is preferable to provide an incoming call display unit for detecting an incoming call to the connected portable communication device and displaying an incoming call.

The storage battery serving as a charging power supply may be detachable from the container. At this time, the storage battery serving as the charging power supply is formed as a storage battery pack, and the storage battery pack mounting portion of the storage body has a plurality of types. The battery pack is selectively detachable and provided with a plurality of types of battery pack type detection units, and the charging circuit performs charging control corresponding to the mounted battery pack in accordance with the type detection unit output. Is also good.

It is also preferable to provide a detecting means for detecting the attachment of the non-rechargeable battery to the battery housing of the container and stopping the charging circuit.

[0016] It is provided that a connection terminal portion for connecting communication equipment with the portable communication device is provided, and the connection terminal portion is connected to a connection contact for communication with the portable communication device provided at the charging connection terminal portion. It is also preferable that the display device further include a display unit for detecting a communication state between the communication device connected to the connection terminal unit and the portable communication device connected to the charging connection terminal unit and displaying the detected communication state.

Further, a power supply section having a commercial power supply connection section and a charging circuit may be detachably attached to a main body having a storage battery and an output adjustment section.

At this time, if the connection portion of the power supply unit to the main body is connected to the portable communication device to enable charging of the storage battery built in the portable communication device, or if the charging connection terminal portion is provided on the main body side, It will be easier to use. Also in this case, it is preferable to make the storage battery of the main body detachable.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on an example of an embodiment. A charger shown in the drawing is for charging a storage battery built in a mobile phone. Terminal part 2 connected to an external connection connector having a communication terminal and a communication terminal, a storage battery 3 as a charging power source, and output adjustment for adjusting the output of the storage battery 3 and applying the output to the connection terminal part A commercial power supply connecting section 5 for connection to a commercial power supply;
And a charging circuit 6 that operates using a commercial power supply connected via a power supply.
Not only can the storage battery built in the portable communication device be charged through the storage battery 3 but also the storage battery 3 built in the charger.
Can also be charged.

When the commercial power supply and the portable communication device are connected to the commercial power supply connection portion 5 and the connection terminal portion 2 respectively, the storage battery built in the portable communication device is charged by the charging current shown in FIG. The storage battery 3 is also charged by the charging current indicated by the middle a. If the storage battery 3 is connected to a commercial power supply without connecting a portable communication device, the storage battery 3
When the portable communication device is connected to the connection terminal unit 2 without being connected to the commercial power supply, the storage battery of the portable communication device is charged by the output of the storage battery 3 via the output adjustment unit 4. In the figure, D denotes a backflow prevention diode for preventing backflow from a storage battery of a portable communication device.

The storage battery of the portable communication device can be charged by a commercial power supply and the storage battery 3 built in the charger according to the situation, and the storage battery 3 built in the charger is built in the mobile communication device. It can be charged by the charging circuit 6 for charging the storage battery.

FIG. 2 shows a switch provided with a switch 7 for switching the charging line between a case where the storage battery of the portable communication device is charged with the commercial power supply and a case where the storage battery 3 is charged. As shown in FIG. 3, the contacts 52, 5 are connected by a short-circuit plate 51 provided on an insulating block at the base of a plug blade 50 that can be slidably stored in the commercial power supply connection portion 5.
It is possible to suitably use one having a configuration in which a short circuit is caused between 3, 54. If the blade 50 for connecting to a commercial power supply is protruded, the contacts 52 and 53 are short-circuited. If the blade 50 is stored, the contacts 52 and 54 are short-circuited and the charging line is switched.

FIG. 4 shows that when the charging line is switched by the switch 7, the charging is performed by the commercial power supply.
A display unit 55 composed of a light emitting diode for displaying a state of whether or not charging is being performed by the storage battery 3 as a charging power source;
56 is provided. In this case, it can be visually confirmed which charging line is.

In the configuration shown in FIG. 5, the output adjustment unit 4 detects the load state of the storage battery B incorporated in the portable communication device as a portable telephone through the load detection line 40, and can adjust the output. In the figure, reference numeral 41 denotes a connection terminal for load detection.

The output adjuster 4 whose input voltage is determined by the voltage of the storage battery 3 has the input / output characteristics shown in FIG. 5B, but is optimal according to the load state of the storage battery B detected through the load detection line 40. When the voltage of the storage battery 3 is lower than the voltage of the storage battery B, the output adjustment unit 4 performs boosting, and when the voltage of the storage battery 3 is higher than the voltage of the storage battery B, performs step-down. . At this time, storage battery B
The output voltage Vco of the output adjustment unit 4 with respect to the battery voltage Vb of
Is charged as Vco (Vth)> Vb. The battery can be charged regardless of the state of the storage battery B incorporated in the mobile communication device and the state of the battery voltage of the storage battery B, and automatically supports the case where the battery voltage of the connected mobile communication device is different. be able to.

FIG. 6 shows a case in which a protective cap 12 which is detachable from the charging connection terminal portion 2 is provided. In this case, the charging connection terminal provided at the end of the cable 20 pulled out from the body 1 is shown. A protective cap 12 for the part 2 is formed integrally with the body 1. The connection terminal portion 2 when not in use can be protected from dust and the like, and the protective cap 12 is not lost.

In the case where the connection terminal portion 2 is provided at the tip of the cable 20 pulled out from the body, a housing portion 13 for housing the cable 20 may be provided in the body 1 as shown in FIG. The storage unit 13 includes the take-up reel 1
4 is preferable in terms of usability. Further, as shown in FIG. 8, it is preferable that the storage portion 13 can store not only the cable 20 but also the connection terminal portion 2 at the end of the cable 20.

By the way, since there are a plurality of types of external connectors of a portable communication device such as a mobile phone (or PHS), a plurality of types of connection terminals 2 are provided in accordance with the types of these external connectors. By making it possible to selectively attach the plurality of types of connection terminal portions 2, a charger can be shared by the above-described portable communication devices. FIG. 9 shows that the plug 21 is provided at the end of the cable 20 and the plug 21 is
Is provided with the jack 22 to which the connection terminal portion 2 is fitted.
3 shows a structure in which the selective mounting of the image forming apparatus can be performed. In the figure, reference numeral 23 denotes a retaining portion.

As the charger, similarly to the charger using the commercial power supply attached to the mobile phone, a holder 15 capable of holding the portable communication device H in a self-standing state in the body 1 is provided. The charging connection terminal portion 2 may be provided in the device 15. FIG. 10 shows an example. At this time, if the connection terminal unit 2 via the cable 20 is also provided, the two portable communication devices can be charged.

FIG. 11 shows an incoming call display unit 1 for detecting an incoming call to a portable communication device (mobile phone) from electromagnetic waves and displaying an incoming call.
8 is provided in the charger. Incoming call display 18
Indicates an incoming call by any one of lighting, blinking, character display, voice generation, and the like.

If the storage battery 3 in the charger is detachable, it can be replaced by the user when the life of the storage battery 3 has expired. At this time, as the storage battery 3, for example, AA
If a battery of the type is used, the dry battery can be used as an emergency when the capacity of the storage battery 3 decreases.

Further, the battery packs 33 each containing a plurality of storage batteries 3 can be detachably attached to the body 1 and, for example, a plurality of types of battery packs 33 having different battery voltages can be used. And Figure 1
As shown in FIG. 2, the battery pack 33 attached to the body 1 side
Is provided so that the charging control of the storage battery 3 by the charging circuit 4 is switched according to the output of the detection unit S, various types of storage batteries 3 can be used. Become. As the detection unit S,
For example, as shown in FIG. 13, two switches S1 and S2 are arranged on the battery pack 3 mounting portion of the body 1 so that the combination of on / off of the switches S1 and S2 is different depending on the mounted battery pack 33. For example, three types of battery packs 33 can be identified. The charge control may be switched by detecting the battery voltage of the attached battery pack 33.

When a general-purpose storage battery 3 such as an AA type is detachable, there is a possibility that the battery is charged by connecting to a commercial power supply with an emergency dry battery loaded. Accordingly, a battery pack for a dry battery is separately prepared as the battery pack 33, and when the battery pack 33 for the dry battery is mounted, this is detected by the detection unit S and the charging operation is stopped (the line 35 in FIG. It is preferable that the charging operation is stopped when the output voltage of the dry battery is nominally 1.5 V.

FIG. 14 shows another example. When the mobile communication device H is a mobile phone, a communication device C such as a computer may be connected to perform communication between the two, but this communication is also performed during charging of a storage battery built in the mobile communication device. In order to be able to connect, the charger is provided with a connection terminal 9 for connection with communication equipment, and the connection terminal 2 is provided with a contact for communication in addition to charging. A communication line 90 for connecting to the connection section 9 is provided in the charger. Also, the communication equipment C via the communication line 90
If the communication state between the communication device H and the mobile communication device H is detected by the detection circuit 91 and the display unit 92 is operated,
The communication state can be visually checked.

FIGS. 15 and 16 show the storage battery 3.
A power supply unit 1b having a commercial power supply connection unit 5 and a charging circuit 6 is detachably attached to a main unit 1a having a power supply unit 1b and a power supply unit 1b. 1a has the same configuration as that of the connection terminal portion 2, that is, a configuration in which the connection portion 62 can be connected to an external connection connector of the mobile communication device. Reference numeral 15 in FIG. 1b is a hook for mechanical connection which is detachable from the hook.

In this embodiment, the storage battery incorporated in the portable communication device can be charged only by the power supply unit 1b, and if the storage battery 3 of the main unit 1b is charged first, the main unit 1b can be charged.
By itself, the storage battery built into the mobile communication device can be charged. In addition, only the main body 1b needs to be carried for emergency charging, and the power supply unit 1b does not have to be carried. If commercial power can be secured, only the power supply unit 1b needs to be carried. Can be made more compact to carry.

As shown in FIG. 17, the power supply section 1b can be separated from the main body 1a by employing a detachable battery pack 33 in the main body 1a or by making the storage battery 3 detachable. In such a case, it is possible to easily replace the battery by recycling.

[0038]

As described above, according to the present invention, the connection terminal for charging connected to the storage battery incorporated in the portable communication device, the storage battery as a charging power source, and the connection for charging by adjusting the output of the storage battery are provided. An output adjustment unit applied to the terminal unit, a commercial power supply connection unit for connection to a commercial power supply, and a storage battery and a charging power supply built in the portable communication device from the commercial power supply connected via the commercial power supply connection unit. Since it has a charging circuit that charges the storage battery, the storage battery built into the mobile communication device can be charged by the commercial power supply where commercial power can be used, and can be charged where commercial power cannot be used. It can be charged by a storage battery as a power supply, and the storage battery as a charging power supply is charged by a charging circuit for charging the storage battery built in the portable communication device. Rukoto can, can be charged mobile communication equipment reasonably at low running cost.

At this time, if a switching unit is provided for switching between charging of the storage battery built in the portable communication device by the commercial power source and charging of the storage battery built in the mobile communication device by the charging power source, the charging power source is manually selected. If a display unit is provided for displaying a state of charging by a commercial power supply and charging by a storage battery as a charging power supply, it is determined whether the charging state and the charging power supply are a commercial power supply or a storage battery. It can be easily confirmed.

If a battery voltage of the built-in storage battery of the connected mobile communication device is detected and the output level of the output adjustment unit is changed to the charging voltage of the built-in storage battery of the mobile communication device, the charging device may be provided with an adjustment unit. Charging can be performed regardless of the state of the storage battery as the power source for use and the state of the battery voltage of the storage battery of the portable communication device.

If a protective cap detachable from the charging connection terminal is provided, the charging connection terminal can be protected from dust and the like.

In the case where the charging connection terminal is provided at the end of the cable led out of the body, if the housing is provided with a housing for accommodating the cable, it is possible to store the cable not only during storage but also during use. Because the cable length can be adjusted, the cable does not get in the way, especially if you can store the charging connection terminal part in the storage part, Not only can be protected, but also the connection terminal portion can be protected.

By selectively attaching a plurality of types of charging connection terminals according to the shape of the connected terminal on the portable communication device side, the range of the portable communication device that can be charged can be widened. .

If the charging connection terminal is provided on the self-supporting portion of the portable communication device provided on the body, the portable communication device can be charged only in the installation space of the charger.

When the portable communication device is a portable telephone, if an incoming call display unit for detecting an incoming call to the connected portable communication device and displaying an incoming call is provided, it is possible to easily confirm the incoming call during charging.

If the storage battery as a charging power source is detachable from the container, the use time of the portable communication device can be further increased by carrying a spare charged storage battery.

At this time, the storage battery serving as a charging power source is formed as a storage battery pack, and the storage battery pack mounting portion of the housing allows a plurality of types of storage battery packs to be selectively attached and detached, and a type detection unit for the plurality of types of storage battery packs. If the charging circuit is provided so as to perform charging control corresponding to the storage battery pack mounted according to the output of the type detection unit, another type of storage battery can be used.

When detecting means for detecting the mounting of the non-rechargeable battery in the battery housing of the body and stopping the charging circuit is provided,
Charging of the dry battery can be prevented.

It is provided that there is provided a connection terminal for connecting a communication device with the portable communication device, and the connection terminal is connected to a connection contact for communication with the portable communication device provided on the charging connection terminal. With this arrangement, communication between the communication device and the portable communication device can be performed even during charging.

If a display unit for detecting a communication state between the communication device connected to the connection terminal unit and the portable communication device connected to the charging connection terminal unit and displaying the same is provided, The communication status can be confirmed.

Further, when a power supply section having a commercial power supply connection section and a charging circuit is made detachable from a main body having a storage battery and an output adjustment section, the main body and the power supply section are separated to be compact and portable. It can be rich in sex.

At this time, if the connection portion of the power supply unit to the main body is connected to the portable communication device so that the storage battery built in the portable communication device can be charged, the storage battery built in the portable communication device is charged only by the power supply unit. In addition, by providing the charging connection terminal portion on the main body side, the main body alone can be used to charge the storage battery built in the portable communication device, and the portability and ease of use are improved. Also in this case, by making the storage battery of the main body detachable, it is possible to easily replace the battery by recycling.

[Brief description of the drawings]

FIG. 1 is a block circuit diagram of an example of an embodiment of the present invention.

FIG. 2 is a block circuit diagram of another example of the above.

FIG. 3 shows a configuration of a commercial power supply connection unit according to the first embodiment;
(a) is a side view, (b) is a schematic plan view.

FIG. 4 is a block circuit diagram of still another example.

FIG. 5 shows another example, in which (a) is a block circuit diagram,
(b) is an input / output characteristic diagram of the output adjustment unit.

6A and 6B show another example, in which FIG. 6A is a front view and FIG. 6B is a side view.

7A and 7B show still another example, wherein FIG. 7A is a front view and FIG. 7B is a side view.

8A and 8B show another example, in which FIG. 8A is a front view and FIG. 8B is a plan view.

FIGS. 9A and 9B show an example of a connection terminal portion, wherein FIG. 9A is a perspective view and FIG. 9B is an exploded sectional view.

FIGS. 10A and 10B are perspective views of another example.

FIG. 11 is a block circuit diagram of another example.

FIG. 12 is a block circuit diagram of still another example.

FIG. 13 is a partial front view of another example.

FIG. 14 is a schematic block diagram of another example.

FIG. 15 is a block circuit diagram of another example.

16A is a perspective view of the power supply unit, FIG. 16B is a side view of the power supply unit, and FIG. 16C is a partial plan view of the power supply unit.

FIG. 17 is a side view of still another example.

[Explanation of symbols]

 2 connection terminal section 3 storage battery 4 output adjustment section 5 commercial power supply connection section 6 charging circuit

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Atsushi Isaka 1048 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Works Co., Ltd. F-term (reference) 5G003 AA01 AA04 BA02 CA14 EA01 FA03 FA04 5K023 AA07 LL03 5K027 AA11 GG04 GG05

Claims (19)

[Claims] 1. A charger for a portable communication device having a detachable portable communication device, comprising: a charging connection terminal portion connected to a storage battery built in the portable communication device; and a storage battery as a charging power supply. An output adjustment unit that adjusts the output of the storage battery and applies it to the connection terminal for charging; a commercial power supply connection for connection to a commercial power supply; and the portable communication from the commercial power supply connected via the commercial power connection. A charger for a portable communication device, comprising: a storage battery incorporated in the device; and a charging circuit for charging the storage battery as a charging power supply. 2. The portable communication device according to claim 1, further comprising a switching unit for charging a storage battery built in the portable communication device with a commercial power supply and charging a storage battery built in the portable communication device with a charging power supply. Charger. 3. The charger for a portable communication device according to claim 2, further comprising a display unit for displaying a status of charging by a commercial power supply and charging by a storage battery as a charging power supply. 4. An adjusting unit for detecting a battery voltage of a built-in storage battery of the connected portable communication device and changing an output level of the output adjusting unit to a charging voltage of the built-in storage battery of the portable communication device. The charger for a portable communication device according to claim 1. 5. The charger for a portable communication device according to claim 1, further comprising a protective cap detachable from the charging connection terminal portion. 6. A charging device for a portable communication device, characterized in that the charging connection terminal portion is provided at a tip of a cable led out of the body, and the body has a storage portion for storing the cable. vessel. 7. The charger for a portable communication device according to claim 6, wherein the storage section also stores a charging connection terminal section. 8. A plurality of types of charging connection terminals are prepared according to the shape of connected terminals on the mobile communication device side, and these charging connection terminals are selectively attachable. The charger for a portable communication device according to claim 1. 9. The portable communication device charger according to claim 1, wherein the charging connection terminal portion is provided on a self-supporting portion of the portable communication device provided on the body. 10. The mobile communication device according to claim 1, wherein the mobile communication device is a mobile phone, and the mobile communication device includes an incoming call display unit that detects an incoming call to the connected mobile communication device and displays an incoming call. Charger for equipment. 11. The charger for a portable communication device according to claim 1, wherein the storage battery as a charging power source is detachable from the body. 12. A storage battery as a charging power source is formed as a storage battery pack, and a plurality of storage battery packs are selectively detachably attached to a storage battery pack mounting portion of a body of the storage battery. The charger for a portable communication device according to claim 11, further comprising a type detection unit, wherein the charging circuit performs charging control corresponding to the attached storage battery pack according to the output of the type detection unit. 13. The charger for a portable communication device according to claim 11, further comprising detection means for detecting the attachment of the non-rechargeable battery to the battery housing of the body and stopping the charging circuit. . 14. A portable communication device, comprising: a connection terminal to which communication equipment is connected, wherein the connection terminal is connected to a communication connection contact with the portable communication device provided at the charging connection terminal. The charger for a portable communication device according to claim 1, wherein 15. A display unit for detecting a communication state between a communication device connected to the connection terminal unit and a portable communication device connected to the charging connection terminal unit, and displaying the detected communication state. The charger for a portable communication device according to claim 14, wherein 16. The portable communication device according to claim 1, wherein a power supply unit including a commercial power supply connection unit and a charging circuit is detachably attached to a main body including a storage battery and an output adjustment unit. Charger. 17. The charger for a portable communication device according to claim 16, wherein a connection portion of the power supply unit to the main body is connected to the portable communication device so that a storage battery built in the portable communication device can be charged. . 18. The charger for a portable communication device according to claim 16, wherein a charging connection terminal portion is provided on a main body side. 19. The charger for a portable communication device according to claim 16, wherein the storage battery of the main body is detachable.