KR100468126B1 - A Battery Charger for Mobile Communication Instruments - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery charger for a mobile communication device, and in particular, a polarity switching unit, a rectifying unit for converting an AC voltage into a DC voltage, a DC / DC converter, a charge / discharge circuit unit, a battery for charging, a mobile phone charging circuit unit, a charge voltage detection unit. And, the charging circuit unit consisting of a battery voltage display unit is built in the main body consisting of upper and lower cases, on the upper case is formed a wit groove and a settled groove in which the mobile phone and the connector for connecting the mobile phone can be inserted in succession AC power plugs and a computer USB port receiving groove are successively formed on the lower case, and the AC voltage plug is installed to be rotated within a 90 degree range in the receiving groove and is normally used for commercial AC voltage or DC power supply ( That is, charge battery in the main body is charged by using DC voltage supplied from rectifier or computer. You can easily carry it with you when you are away from your car or frequently work outside, or when you are using your mobile phone battery while traveling on a long distance or because of increased call volume. When the charger is not available, you can simply connect to the bottom connector of the mobile phone to charge the rechargeable battery as well as supply the power voltage to the mobile phone to solve the problem of missing important call contents due to the exhausted battery. will be.

Description

Battery charger for mobile communication equipment

The present invention relates to a battery charger for a mobile communication device, and more particularly, a built-in rechargeable battery in the charger itself that can use both alternating current and direct current voltage (normally AC or DC power supply (rectifier, USB port of a computer, etc.)). While charging the battery for a mobile communication device (hereinafter referred to as a mobile phone) using a battery while charging the rechargeable battery while working on the outside or during a long trip, even though the battery of the mobile phone is exhausted, When the home charger and the AC voltage can not be used or supplied, anytime, anywhere is invented so that the battery of the mobile phone can be used by using the charge voltage of the built-in rechargeable battery.

Recently, with the development of communication means, many people use mobile phones, and the back of the mobile phones can be used by replacing the battery.

As a result, most people have an additional spare battery and carry it separately from the mobile phone, and replace the battery with a spare battery when the battery currently used in the mobile phone is used up or continue to use the mobile phone or connect to the mobile phone. As it is, the battery is charged by being connected to an external device charger, a charger installed in a vehicle, or a hands free device from time to time.

However, the battery used as an auxiliary as described above is inconvenient to carry, the majority of people are using only the battery that is coupled to the mobile phone, which is used again when the battery is exhausted due to frequent use of the mobile phone There was a problem in that the mobile phone cannot be used until the battery is charged.

In addition, the above-described charger and hands-free use place is limited, it is difficult to use from the outside, there is a problem that can not be easily used when the battery of the mobile phone is exhausted.

In addition, the existing mobile phone charging method uses AC power (110, 220V) at home or at work, which makes it very difficult to use in places where AC power is not supplied. Power supply (12,24V) is used, but it is also inevitable to use the vehicle for starting and charging the battery when the battery is exhausted, and to use it without reason. Of course, there is a problem such as the hand free or the charger itself is caught by the driver as well as the passenger.

The present invention has been made to solve such a conventional problem, it is usually used to charge and carry the rechargeable battery mounted in the main body using AC power or DC power (ie, various rectifiers or USB ports of computers). When you are working outside, traveling, traveling long distances, or when the phone's battery is exhausted due to the increase in the call volume of the mobile phone, you do not have to use a separate car charger, home charger or AC power. Can be connected to a mobile phone easily to assist in powering and charging the battery as well as the main body of the mobile phone, eliminating discontinuities due to battery consumption, as well as a battery charger for mobile communication devices that can continuously use the mobile phone. The purpose is to provide.

The object of the present invention described above is composed of a polarity switching unit, a rectifying unit for converting an AC voltage into a DC voltage, a DC / DC converter, a charge-discharge circuit unit, a battery for charging, a mobile phone charging circuit unit, a charging voltage detector, a battery voltage display unit The built-in charging circuit unit is built in the body consisting of upper and lower cases, and on the upper case is formed a wit groove and a settled groove that can be inserted into the mobile phone and the connector for connecting the mobile phone, and at the same time a mobile terminal with a charging terminal And an AC voltage plug connected to the input terminal of the rectifying unit and a USB port accommodating groove for the computer are successively formed on the lower case, wherein the AC voltage plug is rotatable within a 90 degree range within the accommodating groove. The computer's USB port can be achieved by installing it on the receiving groove.

Therefore, the main body itself is normally connected to an AC voltage supply outlet, rectifier, or a USB port for a computer, and the portable battery is charged with the built-in rechargeable battery. Even if the phone's battery is exhausted due to the increased call volume, you can easily connect to the bottom connector of the mobile phone regardless of the location when you cannot receive AC voltage or use a computer such as a car charger or a home charger. You can charge the battery of your phone by connecting the phone, which will eliminate any unscheduled condition caused by the battery's consumption, and you can use your phone continuously.

1 is an exploded perspective view of the charger of the present invention.

Figure 2 is a perspective view of the charger of the present invention.

3 is a rear view of the apparatus of the present invention.

Figure 4 is a side view of the use state of the device of the present invention.

Figure 5 is a detailed block diagram of the charging circuit portion of the charger of the present invention.

Explanation of symbols on the main parts of the drawings

1: DC power supply jack 2: polarity switch

3: DC / DC conversion unit 4: charge and discharge circuit unit

5: charging battery 6: charging voltage detector

7: battery voltage display unit 8: mobile phone charging circuit unit

9 connector for connecting a mobile phone 10 body

11: charger 12: mobile phone

13: USB port for computer 14: AC voltage plug

15: rectifier

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 shows an exploded perspective view of the charger of the present invention, Figure 2 shows a perspective view of the charger of the present invention, Figure 3 shows a rear view of the device of the present invention, Figure 4 shows a side view of a state of use of the device of the present invention. Figure 5 shows a detailed block diagram of the charging circuit portion of the charger of the present invention.

Accordingly, the DC power supply jack 1 to which the output voltage connectors 111 of the various rectifiers 11 are selectively coupled or the polarity of the voltage supplied through the USB port 13 of the computer may be in any direction regardless of the direction. A polarity switching unit 2 for changing the polarity so that a voltage having a predetermined polarity is always supplied to the input terminal of the DC / DC converting unit;

A rectifier 15 for rectifying a commercial AC voltage supplied through the plug 14 into a DC voltage;

A DC / DC converter (3) for converting the DC voltage input through the polarity switching unit (2) or rectifying unit (15) into a DC voltage for charging the battery (5) or the mobile phone battery;

It has a configuration with a protection circuit for preventing overcharge and overdischarge of the battery (5) for charging and transfers the voltage to the mobile phone charging circuit unit (8) when the voltage is supplied through the DC / DC converter (3) and A charge / discharge circuit unit 4 which simultaneously supplies the charging battery 5 to charge the battery as well as discharges the charging voltage of the charging battery 5 to the mobile phone charging circuit unit 8 as necessary;

A charging battery 5 charging the voltage supplied through the charging and discharging circuit unit 4 and supplying (discharging) the voltage required for charging the mobile phone battery 121 as necessary;

A charge voltage detector (6) for detecting the voltage of the charge battery (5) through the charge / discharge circuit unit (4) to properly drive the display unit (7);

A battery voltage display unit 7 which allows a user to know the current voltage state of the rechargeable battery 5 through visual or auditory control under the control of the charging voltage detector 6;

A mobile phone charging circuit unit 8 for charging the battery of the mobile phone by using the output voltage of the rectifier 11 supplied through the charge / discharge circuit unit 4 or the discharge voltage of the charging battery 5;

Mobile phone connection for having a configuration detachable to the connector 122 of the bottom of the mobile phone 12 and connected to the mobile phone charging circuit unit 8 to transfer the voltage output from the mobile phone charging circuit unit to the battery 121 of the mobile phone 12 A connector 9;

The upper and lower cases 101 and 102 consist of a main body 10 in which all components except for the mobile phone connection connector 9 and a USB port 13 and a plug 14 are installed therein. It is a basic feature.

At this time, in the longitudinal direction in the center of the upper surface of the upper case 101, the mounting groove 103 and the settled groove 104, which can be detachably fitted into the mobile phone 12 and the connector for connecting the mobile phone 6 are formed successively. At the same time, the cell phone fastener 105 having a charging terminal is installed on both lower sides of the mounting groove 103, and an AC voltage plug connected to the input terminal of the rectifying unit 15 on the lower case 102. 14 and the computer USB port 13 receiving grooves 106 and 107 connected to the input terminal of the polarity switching unit 3 are successively formed, and the AC voltage plug 14 is formed in the receiving groove 106. It characterized in that it is installed so as to protrude rotatable in the 90 degree category.

In addition, the battery voltage display unit 7 may be configured of two color light emitting diodes so that red light is emitted during charging and green light is emitted when the charging is completed, and a charging battery 5 is completed by installing a buzzer. It may be configured to generate a buzzer sound at the time of charging, and may also be configured as a display window that can display the change in the charging voltage of the charging battery 5 in the form of a percentage or bar graph.

Referring to the operation and effect of the charger of the present invention configured as described above are as follows.

First, the charger body 10 of the present invention consists of a hollow upper, lower case 101, 102 so that each component can be built-in, the upper surface of the upper case 101 for the longitudinal direction On the center line, the mounting groove 103 in which the mobile phone 12 is to be placed and the connector 9 for connecting the mobile phone are formed in succession, and the settling groove 104 is formed in succession, and on both lower sides of the mounting groove 103. By installing a mobile phone fastener 105 equipped with a charging terminal, the mobile phone connection connector 9 is exposed to the outside in a case where the battery 121 of the mobile phone 12 is not charged using the device of the present invention. It can be prevented from jamming or ruining the aesthetics, and also when the battery 121 of the mobile phone 12 is charged using the device of the present invention, the mobile phone 12 itself is locked in the mounting groove 103. Maintain a fixed shape by the sphere 105 It is good.

In addition, a computer USB port connected to an AC voltage plug 14 connected to an input terminal of the rectifying unit 15 and an input terminal of the polarity switching unit 3 on a center line in the longitudinal direction of the lower case 102 ( 13) The accommodating grooves 106 and 107 are formed in succession, and the AC voltage plug 14 is rotatably installed in the 90 degree category in the accommodating groove 106. Normally, the AC voltage plug 14 and the computer USB port 13 that do not charge the battery 121 may be protruded or exposed to the outside to prevent jamming or aesthetic appearance.

Of course, when using the commercial AC voltage to charge the battery (5) for charging in the device of the present invention or to charge the battery 121 of the mobile phone 12, the AC voltage plug 14 is shown in FIG. As such, it is possible to make the AC voltage plug 14 to be connected to an outlet by turning it 90 degrees from the receiving groove 106 so as to form a right angle with respect to the main body 10.

In addition, when charging the battery (5) in the device of the present invention using the voltage output from the computer or to charge the battery 121 of the mobile phone 12 to the USB port 13 for the computer It is necessary to remove it from the receiving groove 107 and connect it to a predetermined computer, and when the battery is to be charged using the rectifier 11, the output voltage connector 111 of the rectifier 11 is connected to the DC power supply jack 1. And the rectifier 11 itself is connected to an AC voltage outlet.

Meanwhile, the DC voltage supplied through the rectifier 11 coupling DC power supply jack 1 and the computer USB port 13 installed on one of the four sides of the main body 10 may have different polarities. It was connected to the DC / DC converter (3) through the polarity switch (2).

That is, the device of the present invention is provided with a polarity switching unit 2 between the DC power supply jack 1 and the computer USB port 13 and the DC / DC converter 3, if manufactured by a specific company Although the polarity of the voltage output from the predetermined rectifier 11 or the USB port 13 for the computer is different from the input terminal polarity (+,-) of the DC / DC converter 3 (that is,-, +) The polarity switching unit 2 switches the voltage so that a voltage having the same polarity (+,-) as the input terminal polarity (+,-) of the DC / DC converter 3 is automatically supplied. It will work.

In addition, when the AC voltage plug 14 is rotated 90 degrees from the receiving groove 106 to be coupled to the AC voltage outlet as shown in FIG. 4 to operate the present invention using a commercial AC voltage, it is fixed in the rectifying unit 15. The commercial AC voltage of the voltage is rectified to a constant DC voltage and supplied to the DC / DC converter 3.

In this way, the output voltage of the rectifier 11 or the DC voltage supplied through the computer USB port 13 is supplied to the DC / DC converter 3 via the polarity switching unit 2 or the rectifier 15 described above. When a DC voltage supplied through the DC / DC converter 3 is supplied (actually, the DC voltage supplied through the polarity switch 2 and the rectifier 15 is a voltage higher than that of the batteries). The DC converter 3 converts these DC voltages into DC voltages (which are lower than the input voltages) necessary for charging the battery 5 or the battery 121 of the mobile phone 12, respectively.

Accordingly, in the charge / discharge circuit unit 4 connected to the output terminal of the DC / DC converter 3, the DC voltage supplied through the DC / DC converter 3 is transmitted to the mobile phone 12 according to the present invention. When it is connected to the mobile phone charging circuit unit (8) and at the same time delivered to the charging battery (5) to charge the battery 121 and the charging battery (5) of the mobile phone 12 at the same time, the device of the present invention When the mobile phone is not connected to the main body 10, only charge the battery (5) built in.

In addition, after the charging of the rechargeable battery 5 is completed, the present invention device is disconnected from the AC voltage supply outlet, or separated from the rectifier 11 or the computer, and then the user of the present invention is required to carry out the device. When the mobile phone connection connector 9 is connected to the mobile phone 12, the voltage charged in the battery 5 is discharged to the mobile phone charging circuit unit 8.

Meanwhile, when the charge / discharge circuit unit 4 is operated to charge the battery 5 as described above, the charge / discharge circuit unit 4 connected to the charge / discharge circuit unit 4 is connected to the charge / discharge circuit unit 4. Through this, the current voltage of the rechargeable battery 5 is continuously detected and displayed on the display unit 7.

On the other hand, the battery voltage display unit 7 is configured by any one of a two-color light emitting diode, a buzzer or a display window, the user through the battery voltage display unit 7 to view the voltage state of the rechargeable battery 5 through the visual or auditory You can see the current state of charge of the rechargeable battery (5).

In this case, when the battery voltage display unit 7 is composed of two color light emitting diodes, it is preferable to install the upper end of the light emitting diodes to be exposed to the outside of the main body 10. It is better to install, if the display window is configured on the upper case of the main body 10, the display window voltage state of the charging battery 5 (that is, the state of change of the charging voltage in the normal, including during charging or discharging ) Can be displayed as a percentage containing numbers or in the form of a bar graph.

In addition, as described above, the rechargeable battery 5 in the main body 10 is charged through a commercial AC voltage, a charger, or a USB port 13 connected to a computer, and is carried on the mobile, or while traveling or traveling for a long time. If the battery of (12) is exhausted but the car charger or the home charger is not available, the user can be separated from the settling groove 104 of the main body 10 by connecting the mobile phone connecting connector 9 regardless of location. What is necessary is just to connect the connector 122 installed in the bottom part of the mobile phone 12.

As such, when the mobile phone connection connector 9 is connected to the mobile phone 12 by the connector 122, the charge / discharge circuit unit 4 discharges the voltage of the battery 5 to the mobile phone charging circuit unit 8. The output voltage of the computer or the discharge voltage of the charging battery 5 output through the rectifier 15 or the rectifier 11 or the USB port 13 supplied from the charging circuit unit 8 through the charging and discharging circuit unit 4 is determined. By charging the battery 121 of the mobile phone 12 by using the user can continue to use the power supply voltage supplied from the charger of the present invention as well as the battery currently coupled to the mobile phone It can be charged emergency.

As described above, according to the present invention, a battery for charging the battery using a battery and an alternating current and direct voltage is formed inside the main body including the upper and lower cases, and on the outside of the mobile phone mounting table and the mobile phone. By installing a connector for connecting a mobile phone that is selectively coupled with a connector and a USB port connected to a computer, the battery in the main body can be charged by using commercial AC power or DC power (rectifier or USB power for a computer). If you carry it easily and do not have a car or frequently work outside, or if you are running out of a long distance and the call volume of the mobile phone is exhausted, you cannot receive commercial AC power or use a car charger or home charger. Simply touch the bottom connector of the phone when the Not only can it charge the battery, but it can also supply the power voltage to the mobile phone, which can solve the problem of missing important call contents due to the exhaustion of the battery. It is a very useful invention such as can be used conveniently.

Claims (5)

Regardless of which direction the polarity of the voltage supplied through the DC power supply jack or the USB port of the computer is selectively connected to the output voltage connectors of various rectifiers, the polarity is changed in a certain direction so that it is always at the input terminal of the DC / DC converter. A polarity switching unit for supplying a voltage having a predetermined polarity; A rectifier for rectifying the commercial AC voltage supplied through the plug into a DC voltage; A DC / DC converter converting the DC voltage input through the polarity switching unit or the rectifier into a DC voltage required for charging the rechargeable battery or the mobile phone battery; The battery has a protection circuit to prevent overcharge and overdischarge of the battery. When voltage is supplied through the DC / DC converter, the battery is transferred to the mobile phone charging circuit and the battery is charged to the battery for charging. Of course, if necessary, the charging and discharging circuit unit for discharging the charging voltage of the battery for charging the cell phone charging circuit; A charging battery which charges the voltage supplied through the charging / discharging circuit unit and supplies (discharges) the voltage required for charging the mobile phone battery as necessary; A charge voltage detector for detecting a voltage of the battery for charging through the charge and discharge circuit and driving the display unit appropriately; A battery voltage display unit configured to allow a user to know the current voltage state of the rechargeable battery through visual or auditory control under the control of the charging voltage detector; A mobile phone charging circuit unit for charging the battery of the mobile phone by using the output voltage of the rectifier supplied through the charge / discharge circuit unit or the discharge voltage of the charging battery; A mobile phone connection connector having a configuration detachable to a connector of a mobile phone bottom part and connected to the mobile phone charging circuit part to transfer a voltage output from the mobile phone charging circuit part to a battery of the mobile phone; The battery charger for a mobile communication device comprising an upper and a lower case, and a mobile phone connection connector and a main body in which all components except USB ports and plugs are installed. The method according to claim 1, In the center of the upper surface of the upper case in the longitudinal direction of the mobile phone and the connector for connecting the mobile phone to form a mounting groove and the settling groove in succession and at the same time the lower side of the mounting groove is a mobile terminal with a charging terminal Install it, On the lower case, an AC voltage plug connected to an input terminal of the rectifying unit and a computer USB port receiving groove connected to an input terminal of the polarity switching unit are successively formed, and the AC voltage plug is rotated in a 90 degree category within the receiving groove. Battery charger for mobile communication device, characterized in that installed so as to protrude. The method according to claim 1, The battery voltage display unit is a battery charger for a mobile communication device, characterized in that the two-color light-emitting diode is configured to emit red light during charging and to emit green light when charging is complete. The method according to claim 1, The battery voltage display unit is a battery charger for a mobile communication device, characterized in that the alarm sound is generated when the charging battery is fully charged by a buzzer. The method according to claim 1, The battery voltage display unit is a battery charger for a mobile communication device, characterized in that the display window configured to display the voltage state of the rechargeable battery as a percentage including a number or in the form of a bar graph.