KR20000001587U - Portable computer that can charge a mobile phone - Google Patents

Abstract

The present invention relates to a portable computer that can charge a mobile phone, wherein the AC / DC adapter converts externally supplied AC power into DC power, and the power supply unit uses a DC power supplied through the AC / DC adapter to Outputs a number of DC power supplies for the operation of the portable telephone, respectively. Therefore, DC power for the operation of the portable telephone is supplied to the battery of the portable telephone via a cable connected to the battery of the portable telephone to perform the charging operation of the portable telephone.

Therefore, since a separate charging device for charging the portable telephone is not required, the portable computer and the portable telephone are simple and easy to carry.

Description

Portable computer that can charge a mobile phone

This invention relates to a portable computer, and more particularly, to a portable computer equipped with a charging device capable of charging a portable telephone.

In an information society that demands fast and accurate information services, the use of portable computers that can be used anywhere and anytime is increasing.

Therefore, FIG. 1 shows a configuration of a notebook computer which is a portable computer currently developed and commercially available.

As shown in FIG. 1, a general notebook computer includes a system main body 1000 on which a keyboard 1001 is mounted, and a cover 2000 to which a liquid crystal display device 2001 is attached. The open / close operation determines whether or not the notebook computer is used.

That is, when a notebook computer is to be used, the cover 2000 which is closed toward the system main body 1000 is opened to enable the liquid crystal display device 2001 to be used as a monitor, and the keyboard 1001 mounted on the system main body 1000 is used. Enter the data or command you want using).

However, such a notebook computer has been reduced to the size that a user can carry, but as the capacity of the notebook computer is increased and various functions are added, the weight of the notebook computer is increased, causing physical pain when carrying for a long time.

In addition, while the capacity of the battery built into the notebook computer is limited, the power consumption of the portable computer is very large, so the battery usage time is very short, so it is not possible to use the battery for a long time without receiving external power. Inconvenience occurs when the charging operation is executed.

The configuration and operation of the notebook computer for executing the charging operation will be described with reference to FIG.

As shown in FIG. 2A, the power supply unit 100 of the notebook computer includes a rechargeable battery 101 and a DC / DC power supply unit 1002 that converts into an externally supplied power and controls a charging operation of the battery 101. ) Is built. The DC / DC power supply 1002 is connected to an AC / DC adapter 11 that converts the AC external power supplied to the DC power and supplies the DC / DC power supply 1002 to the DC / DC power supply 1002.

Therefore, when the charge capacity of the battery 101 decreases below a certain set value, the user can connect the AC / DC adapter to the DC / DC power supply 1002 through a connector (not shown) formed on the DC / DC power supply 1002 side. Connect (11). Therefore, external power is supplied to the DC / DC power supply unit 1002 through the connected AC / DC adapter 11 to perform the charging operation of the battery 101.

As such, the user of the notebook computer is inconvenient to carry a separate AC / DC adapter 11 for charging the notebook computer.

In addition, with the development of information and communication, the use of a portable telephone capable of talking with a desired person anytime, anywhere has become almost common. However, when the portable phone is used while carrying, since power is not supplied directly from the outside, a battery attached to the main body of the portable phone is used.

Therefore, a separate charging device for performing the charging operation of the portable telephone must be used.

Referring to FIG. 2B, the configuration and operation of the portable telephone for the charging operation will be described. 2B shows a portable telephone and a charger pack.

As shown in FIG. 2B, a battery 131 is attached to the portable telephone 13. In addition, a separate AC / DC charger pack 20 to which external power is supplied is provided.

Therefore, when the mobile phone 13 is not used externally, the mobile phone 13 is connected to the AC / DC charger supplied with an external power source so that the battery 131 of the mobile phone 13 can be coupled to the AC / DC charger. Insert into the DC charger pack (20).

Therefore, the battery 131 of the portable telephone 13 is charged with a predetermined amount of charge to compensate for the charge consumed when carrying, so that the portable telephone 13 can be used without an external power supply.

As such, since the charging capacity for using the portable telephone 13 without using an external power supply is limited, when the portable telephone 13 is used outside for a long time or when traveling, a separate AC / DC charger pack 20 must be carried. Discomfort occurs.

In particular, when carrying both the notebook computer and the portable telephone 13 on a business trip or the like, the AC / DC adapter 11 or the charger pack 20 is carried with each other to perform a charging operation when necessary.

This causes inconvenience and difficulty in carrying a separate charging device in addition to carrying the notebook computer and the portable telephone 13.

Therefore, the technical task of the present invention is to be able to charge the portable computer and the portable telephone at the same time.

1 is a block diagram of a typical notebook computer,

2A is a block diagram of a power supply unit of a conventional portable computer,

Figure 2b shows a conventional portable telephone and a charger pack,

3A is a block diagram of a notebook computer according to an embodiment of the present invention,

3B is a diagram illustrating a cable for connecting a portable telephone according to an embodiment of the present invention.

In order to solve this problem, the present invention incorporates a charging device capable of charging a portable telephone in a portable computer.

In addition, preferably, a display device capable of confirming the charge level of the portable telephone is separately mounted.

Then, with reference to the accompanying drawings, a portable computer capable of charging a portable telephone according to an embodiment of the present invention can be easily carried out by the person of ordinary skill in the art to which this invention belongs. Preferred embodiments will be described in detail with reference to the accompanying drawings. The part which performs the same function as a conventional technique attaches | subjects the code | symbol same as a conventional reference numeral.

3A is a schematic internal configuration diagram of a notebook computer according to an embodiment of the present invention, and FIG. 3B is a view showing a cable for connecting a portable telephone according to the embodiment of the present invention.

As shown in Figures 3a and 3b, a notebook computer according to an embodiment of the present invention comprises a central processing unit (1),

A system bus 6 for interconnecting the CPU 1 with various elements constituting the system and transferring information between the elements;

A RAM 2 connected to the system bus 2 providing a place for the central processing unit 1 to load the system software and user software,

A ROM (3) connected to the system bus (6), in which a specific program to be executed by the central processing unit (1) is already mounted;

A display device 5 composed of a monitor or a liquid crystal display device and outputting various data,

A display controller 4 connected to the system bus 6 to control an operation of the display device 5;

An input device such as a keyboard 8 and a mouse 9 is connected, and connected to the system bus 6 to control power supplied to a notebook computer and to control the operation of the input device such as a keyboard 8 or a mouse 9. Microcontroller 7,

A power supply unit 10 connected to the microcontroller 7 to supply power required for operation and control a charging operation by using externally input power;

An AC / DC adapter 11 for converting AC power supplied from the outside into DC power and outputting the power supply unit 10;

It is connected to the power supply 10, and comprises a charge state display unit 12 for displaying the state of charge of the portable telephone.

The power supply unit 10 includes a battery 101 and a DC / DC power supply unit 102 that generates power for each operation by using the DC power supplied from the AC / DC adapter 11.

In addition, the DC / DC power supply 102 is connected to the AC / DC adapter 11 to supply power for the operation of the notebook computer and power supply for the charging operation of the battery 101, notebook computer power supply 1021 And connected to the AC / DC adapter 11 to supply DC power to the mobile phone 13 to control the charging operation of the battery 131 attached to the mobile phone 13, and to connect with the charge state display unit 12. And a power supply unit 1022 for a portable telephone for outputting a corresponding signal according to the state of charge of the battery 131.

As shown in FIG. 3B, a male / female type connector 10221 is connected to the DC / DC power supply 102 and is connected to a power supply 1022 for a portable telephone. Is connected to the battery 131 of the mobile phone (13).

At this time, one terminal of the cable 14 is a connector 141 of the mail / female type, the other terminal is a connector 142 of the form that can be fastened with the charging terminal of the battery 131 of the portable telephone 13 Is formed.

Therefore, the charging operation of the portable telephone 13 is executed by using the power output from the portable telephone power supply 1022.

In addition, the number of display devices mounted on the charge state display unit 12 is converted according to the number of information desired to be displayed, and it is preferable to use a display device such as a light emitting diode.

The operation of this invention consisting of such a configuration is as follows.

When AC power is supplied to the AC / DC adapter 11, the AC / DC adapter 11 converts to a corresponding DC power and outputs the power to the power supply 10.

Therefore, the power converted into the usable DC state is applied to the notebook computer power supply 1021 and the portable telephone power supply 1022 of the power supply 10.

The power supply 1021 for the notebook computer outputs the DC power of each corresponding level required for the operation of the notebook computer as the power is applied, and simultaneously outputs the charging power to the battery 101.

Therefore, when the state of charge of the battery 101 does not maintain the setting state, the charging operation up to the setting state is executed.

In addition, the power supplied from the AC / DC adapter 11 is also applied to the power supply unit 1022 for the portable telephone of the power supply unit 10.

Therefore, the power supply unit 1022 for the portable telephone operates to output the DC power required for the operation of the portable telephone. Accordingly, when charging the battery 131 attached to the mobile phone 13, the user can connect the cable 14 to the mail / female connector 10221 and the battery (10) connected to the output terminal of the power supply 1022 for the mobile phone. Connect to the connector of 131).

Therefore, the user performs the charging operation on the battery 131 of the portable telephone 13 using the power supply unit 10 mounted on the notebook computer, without using the charging apparatus of the separate portable telephone 13.

At this time, since the charge state display unit 12 is connected to the power supply unit 1022 for the portable telephone, whether the charging operation is being performed to the battery 131 of the portable telephone 13 via the cable 14, or the charging is being performed. Displays the charging status such as whether the operation is completed.

Therefore, the user controls the charging operation of the portable telephone 13 by using the operating state of the charging state display unit 12.

In this manner, when the charging operation of the portable telephone 13 is executed, a notebook computer is used without using a separate charging device for charging only the portable telephone 13.

In this case, the power supply unit 1022 for the portable telephone mounted on the power supply unit 10 of the notebook computer is generally designed to have the flexibility to support the most commonly used portable telephone.

The effect of the present invention operating as described above can perform the charging operation of the portable telephone using a portable computer which is a notebook computer, so that a separate charging device for the portable telephone is not required. Therefore, the portable computer and the portable telephone are simple and easy to carry. In addition, since the charging operation of the portable telephone is performed only by a simple cable connection operation, the charging operation is very easy.

Claims (1)

On a laptop computer, An AC / DC adapter for converting supplied AC power into DC power; And a power supply unit for supplying power for the portable computer and the portable telephone, supplied with the DC power converted from the AC / DC adapter.