KR101682664B1 - Wire and wireless charging apparatus - Google Patents

Wire and wireless charging apparatus Download PDF

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Publication number
KR101682664B1
KR101682664B1 KR1020150119231A KR20150119231A KR101682664B1 KR 101682664 B1 KR101682664 B1 KR 101682664B1 KR 1020150119231 A KR1020150119231 A KR 1020150119231A KR 20150119231 A KR20150119231 A KR 20150119231A KR 101682664 B1 KR101682664 B1 KR 101682664B1
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KR
South Korea
Prior art keywords
adapter
power
unit
wireless charging
connection
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KR1020150119231A
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Korean (ko)
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김석배
이동희
이철원
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주식회사 알.에프.텍
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Priority to KR1020150119231A priority Critical patent/KR101682664B1/en
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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Disclosed is a wireless charging apparatus which performs wireless charging using various methods. The wireless charging apparatus comprises a battery module, which receives first external power from a first adaptor and is charged by the first external power, and a wireless charging module which can charge a mobile electronic device using power provided by the battery module or second external power provided by a second adaptor. The battery module and the wireless charging module are connected with each other. When the battery module is electrically connected with the first adaptor, the battery module is charged internally while providing the first external power provided by the first adaptor to the wireless charging module. The battery module and the wireless charging module are connected with each other. When the battery module is electrically separated from the first adaptor, the battery module transfers internally power to the wireless charging module. Therefore, wireless charging can be performed in various manners, thereby increasing user convenience.

Description

[0001] WIRE AND WIRELESS CHARGING APPARATUS [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wired / wireless charging apparatus, and more particularly, to a wired / wireless charging apparatus capable of supplying wired or wireless power to a mobile electronic device such as a portable terminal.

2. Description of the Related Art In recent years, the spread of mobile electronic devices such as digital cameras and mobile communication terminals has been accelerating. With the spread of smartphones and tablet PCs, the spread of high-performance mobile electronic devices is also rapidly spreading.

These mobile electronic devices are characterized by having batteries for portability. The batteries must be charged periodically. In this case, users must electrically connect the electronic device to the charger provided when the mobile electronic device is purchased to perform the charging operation of the battery. However, such a charging method inconveniently requires the electronic device to be connected to the charger through the charging connector.

In order to overcome the burdens of charging the mobile electronic device, a wireless charging technique using a wireless charging pad has recently been developed and popularized.

Wireless charging technology is another technology of wireless power transmission / reception or transmission technology. For example, when an electronic device is placed around a wireless charging pad without connecting a separate charging connector, power is automatically supplied to the battery of the corresponding electronic device Which means that it is charged. Such a wireless charging technology does not require an electrical connection through a charging connector, and thus is a technique attracting attention as it can enhance the portability of mobile electronic devices.

However, such a wireless rechargeable pad is connected to an external power source by wire to supply power of the external power source wirelessly to a mobile electronic device. Therefore, there is still an inconvenience to wire the wireless rechargeable pad and the external power source.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above problems, and it is an object of the present invention to provide a wired / wireless charging device capable of supplying power to a battery of a mobile electronic device by various methods.

The wired / wireless charging apparatus according to an embodiment of the present invention includes a battery module and a wireless charging module.

When the battery module is electrically connected to the first adapter, the battery module may receive the first external power from the first adapter to perform internal charging. Wherein the wireless charging module wirelessly charges the mobile electronic device when receiving electric power from the battery module when electrically connected to the battery module or receives a second external electric power from the second adapter when electrically connected to the second adapter The mobile electronic device can be wirelessly charged. When the battery module and the wireless charging module are connected to each other and the battery module is electrically connected to the first adapter, the battery module transfers the first external power provided from the first adapter to the wireless charging module And uses the first external power to perform internal charging. When the battery module and the wireless charging module are connected to each other and the battery module is electrically disconnected from the first adapter, the battery module transmits the internal charging power to the wireless charging module.

The battery module includes a first adapter connection part, a battery part, a first switch part, a first control part, and a first connection part. The first adapter connection is provided with the first external power from the first adapter when electrically connected to the first adapter. The battery unit may receive the first external power from the first adapter connection unit and store the internal charging power. The first switch unit may transmit either the first external power provided from the first adapter connection unit or the internal charge power provided from the battery unit. The first control unit controls the first switch unit such that any one of the first external power and the internal charge power (hereinafter referred to as 'first output power') is output. The first connection part receives the first output power from the first switch part and transfers the first output power to the wireless charging module when electrically connected to the wireless charging module.

The first control unit may control the first switch unit to output the first external power when the first connection unit is connected to the wireless charging module and the first adapter connection unit is determined to be electrically connected to the first adapter When the first switch unit is controlled by the first switch unit and the first connection unit is connected to the wireless charging module and the first adapter connection unit is determined to be electrically disconnected from the first adapter, The first switch unit can be controlled so that electric power is output.

The battery unit may include a battery and a charging IC. The battery may store the internal charging power. Wherein the charging IC charges the battery using the first external power when the first external power is supplied from the first adapter connection portion and when the first external power is not supplied from the first adapter connection portion , And receives the internal charging power from the battery and transfers it to the first switch unit.

The wired / wireless charging apparatus may further include a connection port unit that receives the internal charging power from the battery and transmits the internal charging power to the external electronic device when electrically connected to the external electronic equipment through a cable.

The battery unit may further include a transformer IC receiving the internal charging power from the battery, transforming the transformer, and transmitting the transformed voltage to the connection port unit.

The battery unit may further include a voltage selection IC capable of selecting a voltage of the internal charging power outputted from the transforming IC according to the type of the external electronic device connected to the connection port unit.

The wireless charging module may include a second adapter connection part, a second connection part, a second switch part, a second control part, and a wireless charging part. And the second adapter connection is provided with the second external power from the second adapter when electrically connected to the second adapter. The second connection unit receives the first output power from the battery module when connected to the battery module. And the second switch portion may transmit either the second external power provided from the second adapter connection portion or the first output power provided from the second connection portion. The second control unit controls the second switch unit so that the power of any one of the second external power and the first output power (hereinafter referred to as 'second output power') is output. The wireless charging unit may receive the second output power from the second switch unit and wirelessly charge the mobile electronic device using the second output power.

The second control unit may control the second switch unit to output the second output power from the second switch unit when the second connection unit determines that the second connection unit is connected to the battery module, Module, it is possible to control the second switch unit so that the second external power is output from the second switch unit when the second adapter connection unit is electrically connected to the second adapter.

The second control unit may control the second switch unit so that the second external power is output from the second switch unit when the second adapter connection unit determines that the second adapter connection unit is electrically connected to the second adapter, The controller may control the second switch unit to output the second output power at the second switch unit when the second connection unit is connected to the battery module when the adapter connection unit determines that the adapter connection unit is electrically disconnected from the second adapter .

The wireless charging unit may include a full bridge FET, a coil block, and a wireless charging IC. The full-bridge FET may receive and output the second output power from the second switch unit. The coil block may transmit wireless power to the mobile electronic device using power provided from the full bridge FET. The wireless charging IC can control the switching of the full bridge FET.

Meanwhile, the battery module may include a first adapter connection unit receiving the first external power from the first adapter when electrically connected to the first adapter, and a second adapter connection unit receiving the first external power from the first adapter connection unit, A first switch unit capable of transferring one of the first external power provided from the first adapter connection unit and the internal charging power from the battery unit; A first control unit for controlling the first switch unit so that any one of the internal charge power (hereinafter, referred to as 'first output power') is output; and a second control unit for receiving the first output power from the first switch unit A first connection unit for transmitting the first output power to the wireless charging module when the wireless charging module is electrically connected to the wireless charging module, And a first housing part mounted with the battery part, the switch part, and the first control part mounted so that the first connection part is exposed to the outside.

Wherein the wireless charging module comprises: a second adapter connection portion receiving the second external power from the second adapter when electrically connected to the second adapter; and a second adapter connection portion connecting the first output power A second switch unit capable of transferring one of the second external power provided from the second adapter connection unit and the first output power provided from the second connection unit; A second control unit for controlling the second switch unit so that any one of power and the first output power (hereinafter, referred to as 'second output power') is output; A second charging unit for charging the mobile electronic device by using the first output power and the second output power; Portion and may include a wireless charging unit and mounting the said first connecting portion is in electrical contact with the second connecting portion is exposed to allow for mounting the second housing portion.

The second housing part may have a shape that covers at least one side of the first housing part.

A coupling protrusion may be formed on one of the first and second housing parts and a coupling groove for receiving the coupling protrusion may be formed on the other of the first and second housing parts.

The first housing part may have a plate shape having a predetermined thickness. The second housing part may include a main body that can support the bottom surface of the first housing part and a bottom body protruding from the bottom of the main body to cover one side of the first housing part .

As described above, according to the wired / wireless charging apparatus of the present invention, the wired / wireless charging apparatus includes the battery module and the wireless charging module, which can be contacted with and separated from each other. When an adapter for providing external power is connected to the battery module when the battery module and the wireless charging module are in contact with each other, the wireless charging module performs wireless charging by transmitting the adapter to the wireless charging module using the external power, And when the adapter is not connected, the internal charging power stored in the battery module may be transmitted to the wireless charging module to perform wireless charging. That is, the wired / wireless charging apparatus can perform wireless charging in various ways, and the convenience of the user can be further improved.

1 is a perspective view illustrating a wired / wireless charging apparatus according to an embodiment of the present invention.
FIG. 2 is a perspective view illustrating a state in which a battery module and a wireless charging module of the wired / wireless charging apparatus of FIG. 1 are coupled.
3 is a block diagram illustrating the wired / wireless charging apparatus of FIG.
4 is a detailed block diagram of a battery module of the wired / wireless charging device of FIG.
5 is a detailed block diagram of a wireless charging module of the wired / wireless charging device of FIG.
FIG. 6 is a block diagram illustrating the flow of signals at the time of inter-module connection and adapter connection in the wired / wireless charging apparatus of FIG. 3;
FIG. 7 is a block diagram illustrating the flow of signals in the battery module of the wired / wireless charging apparatus of FIG.
FIG. 8 is a block diagram for explaining the flow of signals in the wireless charging module of the wired / wireless charging device of FIG. 3 when the inter-module connection and the adapter are connected.
FIG. 9 is a block diagram illustrating a flow of signals in the wired / wireless charging apparatus of FIG. 3 when the inter-module connection and the adapter are not connected.
FIG. 10 is a block diagram illustrating a flow of signals in a battery module of the wired / wireless charging apparatus of FIG.
11 is a block diagram for explaining the flow of signals in the wired / wireless charging apparatus of FIG. 3 when no connection is made between modules and when an adapter is connected.
FIG. 12 is a block diagram illustrating a flow of signals in a wired / wireless charging apparatus of FIG. 3 when no connection is made between modules and when no adapter is connected.

The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text.

It should be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. The terms first, second, etc. may be used to describe various elements, but the elements should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprising" or "having ", and the like, are intended to specify the presence of stated features, integers, steps, operations, elements, parts, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, or combinations thereof.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

FIG. 1 is a perspective view showing a wired / wireless charging apparatus according to an embodiment of the present invention, FIG. 2 is a perspective view showing a state where a battery module and a wireless charging module of the wired / Is a block diagram illustrating the wired / wireless charging apparatus of FIG.

1, 2, and 3, the wired / wireless charging apparatus according to the present embodiment includes a battery module 100 and a wireless charging module 200.

When the battery module 100 is electrically connected to the first adapter 10 capable of converting AC power into DC power, the battery module 100 can receive the first external power from the first adapter 10 and perform internal charging . At this time, the first adapter 10 may be a device for converting the AC power into the first external power, which is DC power.

When the wireless charging module 200 is electrically connected to the battery module 100, the wireless charging module 200 wirelessly charges the mobile electronic device 30 by receiving power from the battery module 100, or alternatively, The mobile electronic device 30 can be wirelessly charged by receiving the second external power from the second adapter 20 when the second adapter 20 is electrically connected to the second adapter 20. [ The second adapter 20 may be a voltage transformer of substantially the same type as the first adapter 10. Here, the mobile electronic device 30 is a device capable of receiving wireless charging from the wireless charging module 200 while being portable while being portable, for example, a mobile phone, a smart phone, a notebook computer (PDA), a portable multimedia player (PMP), a camera, a navigation system, a tablet computer, an e-book terminal, and the like.

When the battery module 100 and the wireless charging module 200 are connected to each other and the battery module 100 is electrically connected to the first adapter 10, May be internally charged using the first external power while transferring the first external power provided from the first adapter (10) to the wireless charging module (200). In this case, when the battery module 100 is electrically connected to the external electronic device 40 through a cable, the battery module 100 is connected to the external electronic device 40 using internal charging power or the first external power, Lt; / RTI > Here, the external electronic device 40 may be the mobile electronic device 30, or may be a fixed electronic device that is difficult or impossible to move.

When the battery module 100 and the wireless charging module 200 are connected to each other and the battery module 100 is electrically disconnected from the first adapter 10, And may transmit the internal charging power to the wireless charging module 200. In this case, when the battery module 100 is electrically connected to the external electronic device 40 through a cable, the battery module 100 supplies power to the external electronic device 40 using the internal charging power You may.

On the other hand, when the battery module 100 and the wireless charging module 200 are electrically disconnected, the battery module 100 and the wireless charging module 200 may function independently of each other. That is, when the battery module 100 is electrically connected to the first adapter 10, the battery module 100 may be internally charged using the first external power supplied from the first adapter 10, Or may be provided to the external electronic device 40 by using the internal charging power or the first external power when electrically connected to the external electronic device 40 through a cable. When the wireless charging module 200 is electrically connected to the second adapter 20, the wireless charging module 200 receives the second external power from the second adapter 20 and wirelessly charges the mobile electronic device 30 .

Hereinafter, the battery module 100 and the wireless charging module 200 will be specifically described.

First, the battery module 100 includes a first adapter connection part 110, a battery part 120, a first switch part 130, a first control part 140, a first connection part 150, a connection port part 160 And a first housing part 170. [0031]

The first adapter connection part 110 may receive the first external power from the first adapter 10 when the first adapter connection part 110 is electrically connected to the first adapter 10.

The battery 120 may be internally charged by receiving the first external power from the first adapter connection unit 110. That is, the battery unit 120 may store the internal charging power using the first external power supplied from the first adapter connection unit 110.

The first switch unit 130 is electrically connected to the first adapter connection unit 110 and the battery unit 120 and is connected to the first external power supplied from the first adapter connection unit 110, The first connection unit 150 may transmit one of the internal charging powers provided from the first connection unit 120 to the first connection unit 150. [ That is, the first switch unit 130 may selectively output one of the first external power and the internal charge power (hereinafter referred to as 'first output power').

The first control unit 140 may control the switching of the first switch unit 130. That is, the first controller 140 may control the first switch unit 130 to output either the first external power or the internal charging power. Here, the first controller 140 may be a microcontroller unit (MCU).

The first connection unit 150 receives the first output power from the first switch unit 130 and the first output power to the wireless charging module 200 when the first connection unit 150 is electrically connected to the wireless charging module 200. [ (200).

The connection port unit 160 receives the internal charging power from the battery unit 120 and transmits the internal charging power to the external electronic device when it is electrically connected to the external electronic device 40 through a cable . For example, the connection port unit 160 may include at least one USB port.

The first housing part 170 serves as a body for mounting other components. That is, the first housing part 170 includes the first adapter connection part 110, the battery part 120, the switch part 130, the first control part 140, and the connection port part 160 And the first connection unit 150 may be mounted so as to be exposed to the outside.

The battery module 100 may further include a first display unit (not shown) for displaying the driving and charging status of the battery module 100 under the control of the first controller 140. For example, the first display unit is an LED light emitting unit mounted to the first housing unit 170 so as to be exposed to the outside, and the battery unit 120 (not shown) may be connected to the first housing unit 170 using at least one of a number, a color, and a flicker And a state of charge of the external electronic device 40 can be displayed.

The wireless charging module 200 includes a second adapter connection unit 210, a second connection unit 220, a second switch unit 230, a second control unit 240, a wireless charging unit 250, (260).

When the second adapter connection unit 210 is electrically connected to the second adapter 20, the second adapter connection unit 210 can receive the second external power from the second adapter 20.

The second connection unit 220 may receive the first output power from the first connection unit 140 when the second connection unit 220 is electrically connected to the first connection unit 140.

The second switch unit 230 is electrically connected to the second adapter connection unit 210 and the second connection unit 220 and the second external power supplied from the second adapter connection unit 210, 2 connection unit 220 to the wireless charger unit 250. The wireless charger unit 250 may be configured to receive the first output power. That is, the second switch unit 230 may selectively output one of the second external power and the first output power (hereinafter, referred to as 'second output power').

The second controller 240 controls the second switch unit to output either the second external power or the first external power or the internal charging power.

The second control unit 240 may control the switching of the second switch unit 230. That is, the second control unit 240 may control the second switch unit 230 to output any one of the second external power and the first output power. Here, the second controller 240 may be a microcontroller unit (MCU).

The wireless charging unit 250 may receive the second output power from the second switch unit 240 and wirelessly charge the mobile electronic device 30 using the second output power. The wireless charging unit 250 may be a magnetic induction system using a magnetic field, a radio wave transmission / reception system that converts electrical energy into an electromagnetic wave including a microwave and a RF (Radio Frequency), and a magnetic resonance system using energy conversion between a magnetic field and an electric field. Power can be supplied wirelessly using any one of the methods.

The second housing part 260 serves as a body for mounting other components. That is, the second housing unit 260 mounts the second adapter connection unit 210, the second switch unit 230, the second control unit 240, and the wireless charging unit 250, The second connection unit 220 may be exposed and mounted so as to be in electrical contact with the connection unit 150.

In this embodiment, the first housing part 170 may have a plate shape having a predetermined thickness, and the second housing part 260 may have a shape that covers at least one side of the first housing part 170 . For example, the second housing part 260 includes a main body 262 that can support the bottom surface of the first housing part 170, and a second main body part 262 that supports one side of the first housing part 170 And a lower end body 264 protruding from the lower end of the main body 262 so as to enclose the main body 262.

Meanwhile, the first and second housing parts 170 and 260 may have a structure that can be easily coupled to each other. For example, at least one coupling protrusion 260a may be formed in any one of the first and second housing parts 170 and 260, and the other one of the first and second housing parts 170 and 260 At least one coupling groove (not shown) for receiving the coupling protrusion may be formed in one of the coupling grooves. In FIG. 1, the coupling protrusion 260a is formed in the second housing part 260, and the coupling groove is formed in the first housing part 170. FIG.

In addition, the wireless charging module 200 may further include a second display unit (not shown) for displaying the driving and charging status, which is controlled by the second control unit 240. For example, the second display unit may be an LED light emitting unit mounted to the second housing unit 260 so as to be exposed to the outside, and may include at least one of a number, a color, and a flicker emitting light, 30 can be displayed.

4 is a detailed block diagram of a battery module of the wired / wireless charging device of FIG.

4, the battery unit 120 may include a battery 122, a charging IC 124, a transformer IC 126, and a voltage selection IC 128.

The battery 122 may store the internal charging power.

The charging IC 124 charges the battery 122 using the first external power when the first external power is supplied from the first adapter connection part 110, When the first external power is not received from the battery 122, the internal charging power is received from the battery 122 and is transmitted to the first switch unit 130. Here, the charging IC 124 may be controlled by the first control unit 140 and may be driven.

The transformer IC 126 receives the internal charging power from the battery 122 and transforms the transformed voltage to the connection port unit 160. At this time, the transformer IC 126 may be, for example, a boost IC such as a step-up IC, or a boost circuit composed of a transformer and a passive element. Here, the transformer IC 126 may be controlled by the first controller 140 and may be driven.

The voltage selection IC 128 may select the voltage of the internal charging power output from the transforming IC 126 according to the type of the external electronic device 40 connected to the connection port unit 160. For example, the voltage selection IC 128 may select one of a plurality of voltages in response to a type determination signal of the external electronic device 40 provided from the connection port unit 160, And may provide the first control unit 140 with a selection voltage signal informing the voltage. Thereafter, the first controller 140 may control the transformer IC 126 to be transformed to the selected voltage using the selected voltage signal. Here, the voltage selection IC 128 may select one of a first voltage capable of normal charging and a second voltage capable of rapid charging, for example, the first voltage is about 5 V, and the second voltage is about 9V. The voltage selection IC 128 may be, for example, a QC (Quick Charge) 2.0 IC.

The voltage selection IC 128 controls the output voltage of the transformer IC 126 via the first controller 140 as shown in the drawing, The output voltage of the transforming IC 126 may be controlled.

5 is a detailed block diagram of a wireless charging module of the wired / wireless charging device of FIG.

5, the wireless charging unit 250 includes a full bridge FET 252, a coil block 254, and a wireless charging IC 256, for example, can do.

The full-bridge FET 252 may receive the second output power from the second switch unit 230 and may output the second output power. The coil block 254 may transmit wireless power to the mobile electronic device 30 using power provided from the full bridge FET 252. The wireless charging IC 256 may control the switching of the full bridge FET 252.

Hereinafter, a method of driving the wired / wireless charging apparatus described above will be described in detail.

FIG. 6 is a block diagram for explaining the flow of signals when connecting modules and adapters in the wired / wireless charging apparatus of FIG. 3; FIG. 7 is a block diagram of a battery module of the wired / FIG. 8 is a block diagram for explaining the flow of signals in the wireless charging module of the wired / wireless charging device of FIG. 3 when the inter-module connection and the adapter are connected.

6, 7 and 8, the first and second connectors 150 and 220 are electrically connected to each other, and the first adapter 10 is electrically connected to the first adapter connector 110 I will explain the signal flow when connected.

When the first connection unit 150 is connected to the second connection unit 220 and the first adapter connection unit 110 is determined to be electrically connected to the first adapter 10, , The first switch unit 130 may control the first switch unit 130 such that the first external power is output to the first connection unit 150. At this time, the battery unit 120 may be controlled by the first controller 140 to provide the internal charging power or the first external power to the connection port unit 160.

If the second control unit 240 determines that the second connection unit 220 is electrically connected to the first connection unit 150, the first external power provided through the first connection unit 150 is not And controls the second switch unit 230 to be outputted to the wireless charger unit 250.

The second control unit 240 may be configured such that the second connection unit 220 is electrically connected to the first connection unit 150 and the second adapter connection unit 210 is electrically connected to the second adapter 20 The second switch unit 230 may be controlled such that the second external power, rather than the first external power, is output to the wireless charging unit 250. [

FIG. 9 is a block diagram for explaining the flow of signals in the wired / wireless charging apparatus of FIG. 3 when inter-module connection and adapter are not connected, FIG. 10 is a block diagram of the wired / Fig. 3 is a block diagram illustrating the flow of signals at the time of the first embodiment of the present invention.

9 and 10, when the first and second connectors 150 and 220 are electrically connected to each other and the first adapter 10 is not electrically connected to the first adapter connector 110 I will explain the signal flow when.

The first control unit 140 may be configured such that the first connection unit 150 is connected to the second connection unit 220 and the first adapter connection unit 110 is electrically connected to the first adapter 10 The first switch unit 130 may control the first switch unit 130 to output the internal charge power. At this time, the battery unit 120 may be controlled by the first controller 140 to provide the internal charging power to the connection port unit 160.

If the second control unit 240 determines that the second connection unit 220 is electrically connected to the first connection unit 150, the second control unit 240 determines that the internal charging power provided through the first connection unit 150 is the wireless The second switch unit 230 may be controlled to be outputted to the charger unit 250.

The second control unit 240 may be configured such that the second connection unit 220 is electrically connected to the first connection unit 150 and the second adapter connection unit 210 is electrically connected to the second adapter 20 It is possible to control the second switch unit 230 such that the second external power is outputted to the wireless charger 250 instead of the internal charging power.

11 is a block diagram for explaining the flow of signals in the wired / wireless charging apparatus of FIG. 3 when no connection is made between modules and when an adapter is connected.

Referring to FIG. 11, the first and second connectors 150 and 220 are electrically disconnected from each other, the first adapter 10 is electrically connected to the first adapter connector 110, A signal flow when the second adapter 20 is electrically connected to the adapter connection unit 210 will be described.

The first control unit 140 may be configured such that the first connection unit 150 is ionically separated from the second connection unit 220 and the first adapter connection unit 110 is electrically connected to the first adapter 10 The battery unit 120 may be controlled such that the internal charging power or the first external power is supplied to the connection port unit 160. [ At this time, the first switch unit 130 may be controlled by the first controller 140 so that the first external power is outputted to the first connection unit 150.

The second controller 240 is electrically connected to the second adapter 20 such that the second connector 220 is electrically disconnected from the first connector 150 and the second adapter connector 210 is electrically connected to the second adapter 20, The second switch unit 230 may be controlled such that the second external power is output to the wireless charging unit 250. [

FIG. 12 is a block diagram illustrating a flow of signals in a wired / wireless charging apparatus of FIG. 3 when no connection is made between modules and when no adapter is connected.

Referring to FIG. 12, the first and second connectors 150 and 220 are electrically disconnected from each other, the first adapter 10 is not electrically connected to the first adapter connector 110, 2 signal flow when the second adapter 20 is not electrically connected to the adapter connection unit 210 will be described.

The first control unit 140 may be configured such that the first connection unit 150 is ionically separated from the second connection unit 220 and the first adapter connection unit 110 is electrically connected to the first adapter 10 It is possible to control the battery unit 120 so that the internal charging power is supplied to the connection port unit 160. At this time, the first switch unit 130 may be controlled by the first controller 140 so that the internal charging power is outputted to the first connection unit 150. [

On the other hand, the wireless charging module 200 may not perform any operation for wireless charging.

As described above, according to the present embodiment, when the battery module 100 and the wireless charging module 200 are connected to each other and the battery module 100 is electrically connected to the first adapter 10, (100) may transmit the first external power provided from the first adapter (10) to the wireless charging module (200) to perform wireless charging. When the battery module 100 and the wireless charging module 200 are connected to each other and the battery module 100 is electrically disconnected from the first adapter 10, An internal charging power may be transmitted to the wireless charging module 200 to perform wireless charging. Meanwhile, when the battery module 100 and the wireless charging module 200 are separated from each other, the battery module 100 and the wireless charging module 200 may individually perform respective functions.

Accordingly, the wired / wireless charging device includes the battery module 100 and the wireless charging module 200, which can be contacted with and disconnected from each other. When an adapter for providing external power is connected to the battery module 100 when the battery module 100 and the wireless charging module 200 are in contact with each other, 200 to perform wireless charging and simultaneously perform internal charging. When the adapter is not connected, internal charging power stored in the battery module 100 is transmitted to the wireless charging module 200 to perform wireless charging Can be performed. That is, the wired / wireless charging apparatus can perform wireless charging in various ways, and the convenience of the user can be further improved.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

10: first adapter 20: second adapter
30: mobile electronic device 40: external electronic device
100: Battery module 110: First adapter connection
120: battery part 122: battery
124: Charging IC 126: Transformer IC
128: voltage selection IC 130: first switch part
140: first control unit 150: first connection unit
160: connection port part 170: first housing part
200: wireless charging module 210: second adapter connection
220: second connection part 230: second switch part
240: second control unit 250:
252: full bridge FET 254: coil block
256: wireless charging IC 260: second housing part
262: main body 264: bottom body

Claims (16)

A battery module capable of receiving an external electric power from the first adapter when the first adapter is electrically connected to the first adapter; And
The portable electronic device is electrically charged by receiving power from the battery module when electrically connected to the battery module. When the portable electronic device is electrically connected to the second adapter, the second external power is supplied from the second adapter, A wireless charging module capable of charging wirelessly,
When the battery module and the wireless charging module are connected to each other and the battery module is electrically connected to the first adapter, the battery module transfers the first external power provided from the first adapter to the wireless charging module Internal charging using the first external power,
When the battery module and the wireless charging module are connected to each other and the battery module is electrically disconnected from the first adapter, the battery module transmits the internal charging power to the wireless charging module,
The battery module
A first adapter connector receiving the first external power from the first adapter when electrically connected to the first adapter;
A battery unit receiving the first external power from the first adapter connection unit and storing the internal charging power;
A first switch unit capable of delivering one of the first external power provided from the first adapter connection unit and the internal charging power provided from the battery unit;
A first control unit for controlling the first switch unit such that any one of the first external power and the internal charge power (hereinafter, referred to as 'first output power') is output; And
And a first connection portion receiving the first output power from the first switch portion and delivering the first output power to the wireless charging module when electrically connected to the wireless charging module,
The battery unit
A battery capable of storing the internal charging power; And
When receiving the first external power from the first adapter connection, charging the battery using the first external power, and when not receiving the first external power from the first adapter connection, And a charging IC that receives the internal charging power and transfers the charging power to the first switch unit,
The first control unit
When the first connection unit is connected to the wireless charging module and the first adapter connection unit is determined to be electrically connected to the first adapter, the first switch unit is configured to output the first external power, Control,
When the first connection unit is connected to the wireless charging module and the first adapter connection unit is electrically disconnected from the first adapter, the first switch unit controls the first switch unit to output the internal charging power, In addition,
The wireless charging module
A second adapter connector receiving the second external power from the second adapter when electrically connected to the second adapter;
A second connection unit receiving a first output power from the first connection unit when the first connection unit is connected to the first connection unit;
A second switch portion capable of transferring one of the second external power provided from the second adapter connection portion and the first output power provided from the second connection portion;
A second controller for controlling the second switch unit such that any one of the second external power and the first output power (hereinafter, referred to as 'second output power') is output; And
And a wireless charging unit that receives the second output power from the second switch unit and wirelessly charges the mobile electronic device using the second output power,
The second control unit
And controls the second switch unit so that the second external power is output from the second switch unit when it is determined that the second adapter connection unit is electrically connected to the second adapter,
When the second connection unit is determined to be electrically disconnected from the second adapter, when the second connection unit is connected to the first connection unit, the second switch unit is operated so that the first output power is output from the second switch unit Wherein said control means controls said wired / wireless charging device. delete delete delete The method according to claim 1,
Further comprising a connection port part for receiving the internal charging power from the battery and transmitting the internal charging power to the external electronic device when the electronic charging device is electrically connected to the external electronic device through a cable. 6. The battery pack according to claim 5,
Further comprising: a transformer IC receiving the internal charging power from the battery, transforming the transformed voltage, and transmitting the transformed voltage to the connection port unit. 7. The battery pack according to claim 6,
Further comprising a voltage selection IC capable of selecting a voltage of the internal charging power output from the transforming IC in accordance with the type of the external electronic device connected to the connection port portion. delete delete delete The wireless communication system according to claim 1,
A full bridge FET capable of receiving and outputting the second output power from the second switch unit;
A coil block capable of transmitting wireless power to the mobile electronic device using power provided from the full bridge FET; And
And a wireless charging IC for controlling the switching of the full bridge FET. The battery module according to claim 1, wherein the battery module
Further comprising a first housing part mounted with the first adapter connection part, the battery part, the switch part, and the first control part, and the first connection part is mounted so as to be exposed to the outside. 13. The system of claim 12, wherein the wireless charging module
And a second housing part mounted with the second adapter connection part, the second switch part, the second control part, and the wireless charging part mounted thereon, and the second connection part is exposed and mounted so as to be in electrical contact with the first connection part Wherein the wireless communication device is a wireless communication device. 14. The apparatus of claim 13, wherein the second housing portion
Wherein the first housing part has a shape that wraps at least one side of the first housing part. 15. The connector according to claim 14, wherein one of the first and second housing parts has a coupling protrusion,
And the other one of the first and second housing portions is formed with a coupling groove for receiving the coupling projection. 15. The apparatus of claim 14, wherein the first housing portion has a plate shape having a predetermined thickness,
The second housing part includes a main body that can be supported to face the bottom surface of the first housing part and a lower body protruding from the lower end of the main body to cover one side of the first housing part, Wired / wireless charging device.
KR1020150119231A 2015-08-25 2015-08-25 Wire and wireless charging apparatus KR101682664B1 (en)

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Publication number Priority date Publication date Assignee Title
CN117526496A (en) * 2023-10-13 2024-02-06 珠海智融科技股份有限公司 Power supply control system, power supply control method and mobile power supply equipment

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Publication number Priority date Publication date Assignee Title
KR20140047947A (en) * 2012-10-15 2014-04-23 엘지전자 주식회사 Wireless charging apparatus and method for operating the same
KR20150012055A (en) * 2013-07-24 2015-02-03 엘지이노텍 주식회사 Wireless charger equipped with auxiliary power and auxiliary power unit

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Publication number Priority date Publication date Assignee Title
KR20140047947A (en) * 2012-10-15 2014-04-23 엘지전자 주식회사 Wireless charging apparatus and method for operating the same
KR20150012055A (en) * 2013-07-24 2015-02-03 엘지이노텍 주식회사 Wireless charger equipped with auxiliary power and auxiliary power unit

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* Cited by examiner, † Cited by third party
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CN117526496A (en) * 2023-10-13 2024-02-06 珠海智融科技股份有限公司 Power supply control system, power supply control method and mobile power supply equipment

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