KR101868445B1 - Wire and wireless charging apparatus - Google Patents

Wire and wireless charging apparatus Download PDF

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Publication number
KR101868445B1
KR101868445B1 KR1020160015092A KR20160015092A KR101868445B1 KR 101868445 B1 KR101868445 B1 KR 101868445B1 KR 1020160015092 A KR1020160015092 A KR 1020160015092A KR 20160015092 A KR20160015092 A KR 20160015092A KR 101868445 B1 KR101868445 B1 KR 101868445B1
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KR
South Korea
Prior art keywords
power
switch
voltage
battery
connection port
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KR1020160015092A
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Korean (ko)
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KR20170093549A (en
Inventor
김석배
이동희
이철원
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주식회사 알에프텍
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Publication of KR20170093549A publication Critical patent/KR20170093549A/en
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    • H02J7/0055—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0054—
    • H02J7/025—

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

A wired / wireless charging device capable of charging and supplying electric power to a battery of various electronic devices is disclosed. The wired / wireless charging apparatus includes an adapter connection port, a wired connection port, a wireless charging unit, a battery unit, a first switch, a second switch, a third switch, and a control unit. The adapter connection port may be electrically connected to an adapter capable of supplying power of a first DC voltage. The wired connection port may be electrically connected to an external electronic device. The wireless charging unit may supply wireless power to the mobile electronic device. The battery unit is electrically connected to the adapter connection port. The first switch may switch the electrical connection between the battery unit and the wired connection port. The second switch may switch the electrical connection between the adapter connection port and the wireless charging unit. The third switch may switch the electrical connection between the battery unit and the wireless charging unit. The control unit may control the battery unit, the first switch, the second switch, and the third switch, respectively. Thus, the wired / wireless charging device can supply power to various electronic apparatuses by supplying electric power in various ways including wired and wireless.

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 inconveniences 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 in view of 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 various electronic apparatuses in various ways.

The wired / wireless charging apparatus according to an embodiment of the present invention includes an adapter connection port, a wired connection port, a wireless charging unit, a battery unit, a first switch, a second switch, a third switch, and a control unit.

The adapter connection port may be electrically connected to an adapter capable of supplying power of a first DC voltage. The wired connection port may be electrically connected to an external electronic device. The wireless charging unit may supply wireless power to the mobile electronic device. The battery unit is electrically connected to the adapter connection port. The first switch may switch the electrical connection between the battery unit and the wired connection port. The second switch may switch the electrical connection between the adapter connection port and the wireless charging unit. The third switch may switch the electrical connection between the battery unit and the wireless charging unit. The control unit may control the battery unit, the first switch, the second switch, and the third switch, respectively.

Wherein the controller is operated in an adapter mode in which when the adapter determines that the adapter is connected to the adapter connection port, the controller operates using the power of the first DC voltage supplied from the adapter, and the adapter is connected to the adapter connection port It is possible to operate in a battery mode in which the battery is charged using the charging power charged in the battery.

Wherein the adapter mode is a first adapter mode in which the power of the first DC voltage is controlled to be supplied to the external electronic device when it is determined that the external electronic device is connected to the wired connection port, And a second adapter mode in which power of the first DC voltage is controlled to be supplied to the wireless charger when it is determined that wireless power can be supplied to the device.

The adapter mode may further include a third adapter mode that is controlled to be supplied to the external electronic device, when the external electronic device is determined to be connected to the wired connection port, the power of the second direct- .

And the third adapter mode may be a mode in which the charge power is received from the battery unit and is changed to the power of the second DC voltage to be supplied to the external electronic device.

The wired / wireless charging device may further include a voltage-change IC and a voltage selection IC. The transforming IC is controlled by the control unit, and receives the charging power from the battery unit, transforms the voltage, and supplies the power of the second DC voltage to the wired connection port. The voltage selection IC senses an operating voltage of the external electronic device when the external electronic device is connected to the wired connection port and controls the control unit to operate the one of the first adapter mode and the third adapter mode can do.

Wherein the first adapter mode is controlled so that the battery unit outputs to the first switch and the third switch while charging the battery using the power of the first DC voltage supplied from the adapter connection port, And the second switch is turned on so that the power of the first DC voltage is transmitted from the battery unit to the wired connection port, And the third switch is controlled to be OFF in such a manner that the power of the first DC voltage is not transmitted from the battery unit to the wireless charger unit and the transformer IC is controlled to the OFF state, And may be a mode in which the voltage is controlled to be OFF so as not to be supplied with power.

Wherein the second adapter mode is controlled so that the battery unit outputs to the first switch and the third switch while charging the battery using the power of the first DC voltage supplied from the adapter connection port, The second switch is controlled such that the power of the first DC voltage is transferred from the adapter connection port to the wireless charging unit so that power of the first DC voltage is not transmitted from the battery unit to the wired connection port, And the third switch is controlled to be in an OFF state so that power of the first DC voltage is not transmitted from the battery unit to the wireless charger unit, And may be a mode in which it is controlled in an OFF state so that the DC voltage is not supplied.

Wherein the third adapter mode is controlled so that the battery unit outputs to the first switch and the third switch while charging the battery using the power of the first DC voltage supplied from the adapter connection port, The second switch is controlled such that the power of the first DC voltage is transferred from the adapter connection port to the wireless charging unit so that power of the first DC voltage is not transmitted from the battery unit to the wired connection port, And the third switch is controlled to be in an OFF state so that power of the first DC voltage is not transmitted from the battery unit to the wireless charger unit, And may be a mode in which it is controlled to be in the ON state so that the DC voltage is supplied.

The battery mode may include a first battery mode in which the charging electric power is supplied to the external electronic device when it is determined that the external electronic device is connected to the wired connection port, And a second battery mode in which the charging power is supplied to the wireless charging unit when it is determined that wireless power can be supplied.

Wherein the battery mode is a third battery mode in which when the external electronic device is determined to be connected to the wired connection port, the power of the second direct current voltage different from the first direct current voltage is supplied to the external electronic device .

And the third battery mode may be a mode in which the charging power is received from the battery unit and is changed to the power of the second DC voltage to be supplied to the external electronic device.

The wired / wireless charging device may further include a voltage-change IC and a voltage selection IC. The transforming IC is controlled by the control unit, and receives the charging power from the battery unit, transforms the voltage, and supplies the power of the second DC voltage to the wired connection port. The voltage selection IC senses an operating voltage of the external electronic device when the external electronic device is connected to the wired connection port and controls the control unit to operate the one of the first adapter mode and the third adapter mode can do.

Wherein the first battery mode is controlled such that the battery unit discharges the charging power to the first switch and the third switch, and the first switch is turned ON to transfer the charging power from the battery unit to the wired connection port The second switch is controlled to be in an OFF state so as not to be electrically connected between the adapter connection port and the wireless charging unit, and the third switch is controlled such that the charging power from the battery unit to the wireless charging unit And the transforming IC may be controlled to be in an OFF state such that power of the second DC voltage is not supplied to the wired connection port.

Wherein the second battery mode is controlled such that the battery unit discharges the charging power to the first switch and the third switch, and the first switch is configured to prevent the charging power from being transmitted from the battery unit to the wired connection port OFF state so that the second switch is not electrically connected between the adapter connection port and the wireless charging unit, and the third switch is controlled from the battery unit to the wireless charging unit so that the charging power And the transformer IC may be controlled to be in an OFF state such that power of the second DC voltage is not supplied to the wired connection port.

Wherein the third battery mode is controlled such that the battery unit discharges the charging power to the first switch and the third switch, and the first switch is configured to prevent the charging power from being transmitted from the battery unit to the wired connection port OFF state so that the second switch is not electrically connected between the adapter connection port and the wireless charging unit, and the third switch is controlled from the battery unit to the wireless charging unit so that the charging power And the transformer IC may be controlled to be turned on so that the power of the second DC voltage is supplied to the wired connection port.

The wired / wireless charging apparatus may further include a switch button that can control the control unit to allow and prohibit transmission of the charging power from the battery unit to the wireless charging unit when the control unit is operated in the battery mode .

The controller controls the third switch to be in an ON state so that the charging power is transferred from the battery unit to the wireless charger unit when it is determined that the switch button has been pressed for more than the reference time, It is possible to control the third switch to be in the OFF state so that the charging power is not transmitted from the battery unit to the wireless charger unit.

The battery unit may include a battery and a charging IC. The battery may store the charging power. Wherein the charging IC is controlled by the controller to charge the battery when the first DC voltage is supplied from the adapter connection port to the first switch and the third switch, Or may be output to the first switch and the third switch by receiving the charging power from the battery.

The wireless charging unit may include a wireless charging IC, a full bridge FET, and a coil block. The wireless charging IC is electrically connected to the first switch and the second switch. The full bridge FET is electrically connected to the first switch and the second switch and is controlled by the wireless charging IC to switch the power provided from either the first switch or the second switch to output have. The coil block may transmit wireless power to the mobile electronic device using power provided from the full bridge FET.

The wireless charging IC may recognize whether the coil block is capable of supplying wireless power to the mobile electronic device, and provide the wireless charging IC to the control block.

The wired / wireless charging apparatus may further include first and second light emitting elements controlled by the control unit. The controller controls the first light emitting element to emit light when the adapter is connected to the adapter connection port, and when the wireless emitter can supply wireless power to the mobile electronic device, the second light emitting element emits light Can be controlled.

As described above, according to the wired / wireless charging apparatus of the present invention, it is determined whether the wired / wireless charging apparatus is electrically connected to the adapter, and when the wired / wireless charging apparatus is connected to the adapter, And can be driven using the charging power stored in the battery when not connected to the adapter.

Also, the wired / wireless charging device may determine whether the external electronic device is electrically connected to the wired connection port and whether the wireless charging unit can supply wireless power to the mobile electronic device, so that the external electronic device is connected to the wired connection port When the mobile electronic device is electrically connected to the mobile electronic device, electric power is supplied to the mobile electronic device by wire, and power can be wirelessly supplied to the mobile electronic device when the wireless charger can supply wireless electric power to the mobile electronic device.

In addition, the wired / wireless charging apparatus may determine whether the user pressed the switch button for 2 seconds or longer and less than 2 seconds, thereby allowing or prohibiting the power supply from the battery unit to the wireless charging unit. Accordingly, when the wireless charging unit does not supply wireless power to the mobile electronic device, the wired / wireless charging device can minimize the power wasted in the wireless charging unit by interrupting the power supplied to the wireless charging unit.

As described above, 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 block diagram showing the wired / wireless charging apparatus of FIG. 1 in detail.
3 is a table showing a control mode of the wired / wireless charging apparatus of FIG.
4 is a block diagram showing a state in which the first adapter mode of the control mode of FIG. 3 is operated.
FIG. 5 is a block diagram illustrating a state in which the second adapter mode of the control mode of FIG. 3 is operated.
FIG. 6 is a block diagram illustrating a state in which the third adapter mode of the control mode of FIG. 3 is operated.
FIG. 7 is a block diagram showing a state in which the first mode of the control mode of FIG. 3 is operated.
8 is a block diagram showing a state in which the wireless charging power is cut off in the first battery mode of FIG.
9 is a block diagram illustrating a state in which wireless charging power is allowed in the first battery mode of FIG.
FIG. 10 is a block diagram showing a state in which the control mode of FIG. 3 is operated in the second battery mode.
FIG. 11 is a block diagram showing a state in which wireless charging power is cut off in the second battery mode of FIG. 10; FIG.
12 is a block diagram illustrating a state in which wireless charging power is allowed in the second battery mode of FIG.
FIG. 13 is a block diagram showing a state in which a third battery mode is operated in the control mode of FIG. 3. FIG.
FIG. 14 is a block diagram showing a state where wireless charging power is cut off in the third battery mode of FIG.
FIG. 15 is a block diagram showing a state in which wireless charging power is allowed in the third battery mode of FIG. 14; FIG.

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 illustrating a wired / wireless charging apparatus according to an embodiment of the present invention, and FIG. 2 is a block diagram illustrating the wired / wireless charging apparatus of FIG. 1 in detail.

1 and 2, when the wired / wireless charging apparatus 100 according to the present embodiment is electrically connected to the adapter 200, the wired / wireless charging apparatus 100 is driven by receiving power from the adapter 200, And power can be supplied to the mobile electronic device 400 wirelessly.

In the present embodiment, the adapter 200 is a general adapter device capable of converting AC power to DC power, as well as other devices capable of outputting DC power, such as a USB port, A desktop PC, a notebook PC, and the like, which can output data.

In addition, the external electronic device 300 is an electronic device connected to the wired / wireless charging device 100 by wire and supplied with electric power, and may be any electronic device having a wired power receiving device capable of receiving power by wire Can be targeted.

In addition, the mobile electronic device 400 is an electronic device capable of being supplied with wireless power from the wired / wireless charging device 100 while being movable and portable, and includes a wireless power receiving device capable of receiving power wirelessly All electronic devices can be targeted.

Meanwhile, when any electronic device includes both the wired power receiving device and the wireless power receiving device, both the external electronic device 300 and the mobile electronic device 400 can be used. For example, a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), a camera, a navigation device, a tablet computer, an e-book terminal or the like may be any one or both of the external electronic device 300 and the mobile electronic device 400 depending on whether the wired power receiving device or the wireless power receiving device is provided.

In the present embodiment, the wired / wireless charging apparatus 100 includes an adapter connection port 110, a wired connection port 120, a wireless charging unit 130, a battery unit 140, a switch unit 150, .

The adapter connection port 110 may be electrically connected by an adapter connection line to the adapter 200 capable of supplying power of a first DC voltage, for example, 5 V and 2A. For example, the adapter connection port 110 may be any one of a general USB port and a micro USB port. In FIG. 1, the adapter connection port 110 is a micro USB port.

The wired connection port 120 may be electrically connected to the external electronic device 300 through a port connection line. Here, the wired connection port 120 may be any one of a general USB port and a micro USB port. In FIG. 1, the wired connection port 120 is a general USB port.

The wireless charging unit 130 may supply wireless power to the mobile electronic device 400. [ For example, the wireless charging unit 130 may include a wireless charging IC 132, a full bridge FET 134, and a coil block 136. The wireless charging IC 132 may control the full bridge FET 134 for wireless charging. The full-bridge FET 134 is controlled by the wireless charging IC 132, and can switch and output the input DC power. The coil block 136 may transmit radio power to the mobile electronic device 300 using power provided from the full bridge FET 132.

The battery unit 140 may be electrically connected to the adapter connection port 110 and may be charged using the power of the first DC voltage supplied from the adapter connection port 110. For example, the battery unit 140 may include a battery 142 and a charging IC 144. The battery 142 may store the charging power therein. The charging IC 144 is electrically connected between the adapter connection port 110 and the battery 142 and is electrically connected to the battery 142 using the power of the first DC voltage provided from the adapter connection port 110. [ 142 to generate the charging power or supply the charging power from the battery 142 to the outside.

The switch unit 150 may include a first switch 152, a second switch 154, and a third switch 156.

The first switch 152 may switch the electrical connection between the battery unit 140 and the wired connection port 120. Specifically, the first switch 152 has one end electrically connected to the charging IC 144 and the other end electrically connected to the wired connection port 120, and the charging IC 144 and the wired connection port (Not shown) to turn on / off the electrical connection between the electrodes 120.

The second switch 154 may switch the electrical connection between the adapter connection port 110 and the wireless charger 130. Specifically, the second switch 154 has one end electrically connected to the adapter connection port 110 and the other end electrically connected to the wireless charging IC 132 and the full bridge FET 134, Turn-on / turn-off of the electrical connection between the connection port 110 and the wireless charging IC 132 and the electrical connection between the adapter connection port 110 and the full bridge FET 134 turn-off.

The third switch 156 may switch the electrical connection between the battery unit 140 and the wireless charger 130. Specifically, the third switch 156 has one end electrically connected to the charging IC 144 and the other end electrically connected to the wireless charging IC 132 and the full bridge FET 134, Turn-on / turn-off of the electrical connection between the charging IC 144 and the wireless charging IC 132 and the electrical connection between the charging IC 144 and the full bridge FET 134. [ ).

The control unit 160 may control the battery unit 140, the first switch 152, the second switch 154, and the third switch 156, respectively.

In this embodiment, the controller 160 can check whether the adapter 200 is connected to the adapter connection port 110 by being electrically connected to the adapter connection port 110, And may be electrically connected to the IC 132 to check whether the coil block 136 can supply wireless power to the mobile electronic device 400.

The controller 160 can control the charging IC 144, the first switch 152, the second switch 154 and the third switch 156 using the above two check results . For example, when the first DC voltage is supplied from the adapter connection port 110 to the controller 160, the controller 160 charges the battery 142 while the first switch 152 and the third switch 156 to output the power of the first DC voltage or to receive the charging power from the battery 142 and to output the first DC voltage to the first switch 152 and the third switch 156, The IC 144 can be controlled. Also, the controller 160 may control the first switch 152, the second switch 154, and the third switch 156 to one of ON and OFF states, respectively.

In the present embodiment, the wired / wireless charging apparatus 100 may further include a voltage transforming IC 170 and a voltage selecting IC 180.

The transformer IC 170 may electrically connect between the battery 142 and the wired connection port 120 and may be controlled by the controller 160 to provide the charging power from the battery 142 For example, 9V DC power, to the wired connection port 120. The first DC voltage is supplied to the wired connection port 120, For example, the transformer IC 170 may be a step-up IC, such as a step-up IC, or a step-up circuit composed of a transformer, a passive element, and the like.

The voltage selection IC 180 may electrically connect between the controller 160 and the wired connection port 120 and may be electrically connected to the wired connection port 120 when the external electronic device 300 is connected to the external For example, 5V or 9V, to control the controller 160. The control unit 160 controls the operation of the electronic device 300 based on the detected voltage. The voltage selection IC 128 may be, for example, a QC (Quick Charge) 2.0 IC.

The wired / wireless charging apparatus 100 may further include a switch button 190.

The switch button 190 may control the controller 160 to allow or prohibit transmission of the charging power from the battery unit 140 to the wireless charging unit 130. For example, when the controller 160 determines that the switch button 190 is pressed for a reference time, for example, two seconds or more, the controller 160 controls the charging unit 130 so that the charging power is transferred from the battery unit 130 to the wireless charging unit 130. When the switch button 190 is determined to be pressed for less than the reference time, the charging power is transmitted from the battery unit 140 to the wireless charging unit 130 The third switch 156 can be controlled to be in the OFF state.

The wired / wireless charging apparatus 100 may further include a first light emitting device 162 and a second light emitting device 164 that are controlled by the controller 160. The control unit 160 controls the first light emitting device 162 to emit light when the adapter 300 is connected to the wired connection port 110 or when the battery 142 is being charged or discharged. can do. The control unit 160 may control the second light emitting device 164 to emit light when the wireless charger 130 can supply wireless power to the mobile electronic device 400. In this case, the second light emitting device 164 may be disposed and electrically connected between the wireless charging IC 132 and the controller 160. Accordingly, when the wireless charging IC 132 transmits a signal to the controller 160, the second light emitting device 164 may emit light.

Hereinafter, a control mode in which the wired / wireless charging apparatus 100 is driven will be described in detail.

3 is a table showing a control mode of the wired / wireless charging apparatus of FIG.

3, when the controller 160 determines that the adapter 200 is connected to the adapter connection port 110 using a signal provided from the adapter connection port 110, the controller 160 operates in the adapter mode And may operate in a battery mode if it is determined that the adapter 200 is not connected to the adapter connection port 110.

The adapter mode is a control mode in which the adapter 200 is driven by using the power of the first DC voltage supplied from the adapter 200, for example, 5 V DC power. The first, second and third adapter modes . In addition, the battery mode is a control mode in which the battery mode is driven using the charging power charged in the battery unit 140, and can be divided into first, second, and third battery modes according to the power supply target.

First, the adapter mode will be described in detail.

4 is a block diagram showing a state in which the first adapter mode of the control mode of FIG. 3 is operated.

3 and 4, when the external electronic device 300 is judged to be connected to the wired connection port 120, the first adapter mode is switched to the first direct current mode A control mode in which the power of the voltage is controlled to be supplied.

More specifically, the voltage selection IC 180 checks the operating voltage of the external electronic device 300 when the external electronic device 300 is connected to the wired connection port 120, For example, 5 V is an operation voltage, the control unit 160 can transmit the DC voltage to the controller 160. Then, the controller 160 may operate in the first adapter mode.

When the controller 160 operates in the first adapter mode, the controller 160 charges the battery 140 using the power of the first DC voltage supplied from the adapter connection port 110, ) And the third switch (156) to output the power of the first DC voltage to the charging IC (144).

When the controller 160 is operated in the first adapter mode, the controller 160 controls the first switch 152 so that the power of the first DC voltage is transferred from the charging IC 144 to the wired connection port 120, And controls the second switch 154 to be ON so that the power of the first DC voltage is transmitted from the adapter connection port 110 to the wireless charger 130, The third switch 156 may be controlled to be in the OFF state so that the power of the first DC voltage is not transmitted from the IC 144 to the wireless charger 130. [

When the controller 160 is operated in the first adapter mode, the controller 160 controls the transformer IC 170 to be in an OFF state so that power of the second DC voltage is not supplied to the wired connection port 120 .

In addition, when the controller 160 is operated in the first adapter mode, the controller 160 may cause the first light emitting device 162 to emit light so as to inform that the wired power is being supplied and charged to the external electronic device 300 .

FIG. 5 is a block diagram illustrating a state in which the second adapter mode of the control mode of FIG. 3 is operated.

Referring to FIGS. 3 and 5, when the wireless adapter 130 determines that the mobile electronic device 400 can supply wireless power, that is, when the mobile electronic device 400 The first DC voltage may be controlled to be supplied to the wireless charger 130 when the coil block 136 approaches the coil block 136 within a distance that the wireless power can be supplied.

More specifically, the wireless charging IC 132 can transmit the wireless charging IC 132 to the control unit 160 when the mobile electronic device 400 approaches the coil block 136 within a distance within which the wireless power can be supplied have. Thereafter, the controller 160 may operate in the second adapter mode.

When the controller 160 operates in the second adapter mode, the controller 160 charges the battery 140 using the power of the first DC voltage supplied from the adapter connection port 110, ) And the third switch (156) to output the power of the first DC voltage to the charging IC (144).

When the controller 160 is operated in the second adapter mode, the controller 160 controls the first switch 152 (not shown) to prevent the power of the first DC voltage from being transmitted from the charging IC 144 to the wired connection port 120 And controls the second switch 154 to be ON so that the first DC voltage is transmitted from the adapter connection port 110 to the wireless charger 130, The third switch 156 may be controlled to be off so that the power of the first DC voltage is not transmitted from the charging IC 144 to the wireless charger 130. [

When the controller 160 is operated in the second adapter mode, the controller 160 controls the transformer IC 170 to be OFF so that the power of the second DC voltage is not supplied to the wired connection port 120 .

Meanwhile, when a signal is transmitted from the wireless charging IC 132 to the controller 160, the second light emitting device 164 emits light to notify that wireless power is being supplied to the mobile electronic device 400 .

FIG. 6 is a block diagram illustrating a state in which the third adapter mode of the control mode of FIG. 3 is operated.

3 and 6, the third adapter mode receives the charging power from the battery 142 when it is determined that the external electronic device 300 is connected to the wired connection port 300 And may be controlled to be supplied to the external electronic device 300 by changing the power of the second DC voltage.

More specifically, the voltage selection IC 180 checks the operating voltage of the external electronic device 300 when the external electronic device 300 is connected to the wired connection port 120, If it is determined that the DC voltage, for example, 9 V, is the operation voltage, the control unit 160 can transmit the DC voltage. Thereafter, the controller 160 may operate in the third adapter mode.

When the controller 160 is operated in the third adapter mode, the controller 160 charges the battery 140 using the first DC voltage supplied from the adapter connection port 110, ) And the third switch (156) to output the power of the first DC voltage to the charging IC (144).

When the controller 160 is operated in the third adapter mode, the controller 160 controls the first switch 152 (not shown) so that power of the first DC voltage is not transmitted from the charging IC 144 to the wired connection port 120 And controls the second switch 154 to be ON so that the first DC voltage is transmitted from the adapter connection port 110 to the wireless charger 130, The third switch 156 may be controlled to be off so that the power of the first DC voltage is not transmitted from the charging IC 144 to the wireless charger 130. [

In addition, when the controller 160 is operated in the third adapter mode, the controller 160 may control the transformer IC 170 to be ON so that the power of the second DC voltage is supplied to the wired connection port 120 have.

In addition, when the controller 160 is operated in the third adapter mode, the controller 160 may cause the first light emitting device 162 to emit light so as to inform that the wired power supply to the external electronic device 300 and charging are occurring .

In this way, the controller 160 can be operated in either the first adapter mode or the third adapter mode through the operation voltage of the external electronic device 300 to the voltage selection IC 180. [

When the adapter 200 is connected to the adapter connection port 110, the controller 160 controls the power supply of the external electronic device 200, using the power of the first DC voltage provided from the adapter 200, (300) or the mobile electronic device (400) through the operating voltage of the external electronic device (300) checked in the voltage selection IC (180) Adapter mode, and may be operated in the second adapter mode when it is possible to supply wireless power to the mobile electronic device (400).

Next, the battery mode will be described in detail.

FIG. 7 is a block diagram showing a state in which the first battery mode is operated in the control mode of FIG. 3, FIG. 8 is a block diagram showing a state in which the wireless charging power is cut off in the first battery mode of FIG. 7, 9 is a block diagram illustrating a state in which wireless charging power is allowed in the first battery mode of FIG.

3 and 7 to 9, when the external electronic device 300 is judged to be connected to the wired connection port 120, the first battery mode is activated by the external electronic device 300, And may be a control mode in which charge power is controlled to be supplied.

More specifically, the voltage selection IC 180 checks the operating voltage of the external electronic device 300 when the external electronic device 300 is connected to the wired connection port 120, For example, 5 V is an operation voltage, the control unit 160 can transmit the DC voltage to the controller 160. Thereafter, the controller 160 may operate in the first battery mode.

The controller 160 may be configured to receive the charging power from the battery 140 and to output the charging power to the first switch 152 and the third switch 156, 144 can be controlled.

The controller 160 controls the first switch 152 to be turned on so that the charging power is transferred from the charging IC 144 to the wired connection port 120 when the first battery mode is operated, And controls the third switch 156 to be in the OFF state so that the charging IC 144 does not transmit the charging power to the wireless charging unit 130. [ At this time, the controller 160 may control the second switch 154 to be off so that the adapter connecting port 110 and the wireless charger 130 are not electrically connected.

The controller 160 controls the voltage transforming IC 170 to be in an OFF state so that power of the second DC voltage is not supplied to the wired connection port 120 when the first battery mode is operated .

In addition, when the controller 160 is operated in the first battery mode, the controller 160 may cause the first light emitting device 162 to emit light to notify that wired power supply to the external electronic device 300 is occurring.

8, when the control unit 160 is operated in the first battery mode, if it is determined that the switch button 190 is pressed for less than the reference time, for example, less than two seconds, The third switch may be controlled to be in the OFF state so that the charging power is not transmitted to the wireless charger 130. On the other hand, when the switch button 190 is operated at the reference time, for example, 2 It is possible to control the third switch 156 to be in the ON state so that the charging power is transferred from the charging IC 144 to the wireless charging unit 130. [

FIG. 10 is a block diagram illustrating a state in which the wireless charging power is cut off in the second battery mode of FIG. 10, and FIG. 12 is a block diagram showing a state in which the wireless charging power is allowed in the second battery mode of FIG.

3 and 10 to 12, the second battery mode is activated when the wireless charger 130 is determined to be able to supply wireless power to the mobile electronic device 400, that is, when the mobile electronic device 400 May be a control mode in which the charging power is supplied to the wireless charger 130 when it approaches the coil block 136 within a distance that the wireless power can be supplied.

More specifically, the wireless charging IC 132 can transmit the wireless charging IC 132 to the control unit 160 when the mobile electronic device 400 approaches the coil block 136 within a distance within which the wireless power can be supplied have. Thereafter, the controller 160 may operate in the second battery mode.

The controller 160 receives the charging power from the battery 140 and outputs the charging power to the first switch 152 and the third switch 156 when the battery is operated in the second battery mode. 144 can be controlled.

The controller 160 controls the first switch 152 to be turned off so that the charging power is not transferred from the charging IC 144 to the wired connection port 120 when the second battery mode is selected. And controls the third switch 156 to be in the ON state so that the charging power is transferred from the charging IC 144 to the wireless charging unit 130. [ At this time, the controller 160 may control the second switch 154 to be off so that the adapter connecting port 110 and the wireless charger 130 are not electrically connected.

In addition, when the controller 160 is operated in the second battery mode, the controller 160 controls the voltage transforming IC 170 to be in the OFF state such that power of the second DC voltage is not supplied to the wired connection port 120 .

The second light emitting device 164 emits light to notify that wireless power is being supplied to the mobile electronic device 400 as a signal is transmitted from the wireless charging IC 132 to the controller 160 .

When the control unit 160 is operated in the second battery mode, if it is determined that the switch button 190 is depressed for less than the reference time, for example, less than 2 seconds as shown in FIG. 11, The switch button 190 may control the third switch to be in the OFF state so that the charging power is not transmitted to the wireless charger 130 at the reference time, for example, 2 It is possible to control the third switch 156 to be in the ON state so that the charging power is transferred from the charging IC 144 to the wireless charging unit 130. [

FIG. 13 is a block diagram showing a state where the third battery mode is operated in the control mode of FIG. 3, FIG. 14 is a block diagram showing a state where the wireless charging power is interrupted in the third battery mode of FIG. 13, 15 is a block diagram showing a state in which wireless charging power is allowed in the third battery mode of FIG.

3 and 13 to 15, the third battery mode is a mode in which when the external electronic device 300 is determined to be connected to the wired connection port 300, And is controlled to be supplied to the external electronic device 300 by changing the power of the second direct current voltage.

More specifically, the voltage selection IC 180 checks the operating voltage of the external electronic device 300 when the external electronic device 300 is connected to the wired connection port 120, If it is determined that the DC voltage, for example, 9 V, is the operation voltage, the control unit 160 can transmit the DC voltage. Thereafter, the controller 160 may operate in the third battery mode.

The controller 160 receives the charging power from the battery 140 and outputs the charging power to the first switch 152 and the third switch 156 when the battery is operated in the third battery mode. 144 can be controlled.

The controller 160 controls the first switch 152 to be turned off so that the charging power is not transmitted from the charging IC 144 to the wired connection port 120 when the third battery mode is selected. And controls the third switch 156 to be in the ON state so that the charging power is transferred from the charging IC 144 to the wireless charging unit 130. [ At this time, the controller 160 may control the second switch 154 to be off so that the adapter connecting port 110 and the wireless charger 130 are not electrically connected.

When the control unit 160 is operated in the third battery mode, the control unit 160 may control the transforming IC 170 to be ON so that the power of the second DC voltage is supplied to the wired connection port 120 have.

Also, when the controller 160 is operated in the third battery mode, the controller 160 may cause the first light emitting device 162 to emit light to notify that wired power supply to the external electronic device 300 is occurring.

14, when the control unit 160 is operated in the third battery mode, if it is determined that the switch button 190 is pressed for less than the reference time, for example, less than two seconds, The third switch may be controlled to be in the OFF state so that the charging power is not transmitted to the wireless charging unit 130. On the other hand, when the switch button 190 is operated at the reference time, for example, 2 It is possible to control the third switch 156 to be in the ON state so that the charging power is transferred from the charging IC 144 to the wireless charging unit 130. [

If the adapter 200 is not connected to the adapter connection port 110, the controller 160 controls the external electronic device 300 or the external device 300 using the charging power stored in the battery 142 The mobile electronic device 400 may supply power to the mobile electronic device 400 through one of the first battery mode and the third battery mode through the operation voltage of the external electronic device 300 checked in the voltage selection IC 180 And may be operated in the second battery mode when the mobile electronic device 400 can supply wireless power.

According to the present embodiment, it is determined whether the wired / wireless charging apparatus 100 is electrically connected to the adapter 200, and when the adapter 200 is connected to the adapter 200, And may be driven using the charging power stored in the battery 142 when the adapter is not connected to the adapter 200. [

The wired / wireless charging apparatus 100 may be configured to determine whether the external electronic device 300 is electrically connected to the wired connection port 120 and whether the wireless charging unit 130 is connected to the mobile electronic device 400, And supplies the electric power to the external electronic device 300 when the external electronic device 300 is electrically connected to the wired connection port 120. The wireless electronic device 300 is connected to the wireless charging unit 130 can wirelessly supply power to the mobile electronic device 400, the mobile electronic device 400 can supply power wirelessly.

The wired / wireless charging apparatus 100 determines whether the user has pressed the switch button 190 for at least 2 seconds or less than 2 seconds and determines whether the power from the battery unit 140 to the wireless charging unit 130 To be supplied or blocked. Accordingly, when the wireless charger 130 does not supply wireless power to the mobile electronic device 400, the wireless wired / wireless charger 100 interrupts the power supplied to the wireless charger 130, It is possible to minimize the power wasted in the battery 130.

As described above, the wired / wireless charging apparatus 100 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 and 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.

100: wired / wireless charging device 110: adapter connection port
120: wired connection port 130:
132: Wireless charging IC 134: Full-bridge FET
136: coil block 140: battery part
142: Battery 144: Charging IC
150: switch part 152: first switch
154: second switch 156: third switch
160: control unit 162: first light emitting element
164: Second light emitting device 170: Transformer IC
180: Voltage selection IC 200: Adapter
300: external electronic device 400: mobile electronic device

Claims (22)

An adapter connection port capable of being electrically connected to an adapter capable of supplying power of a first direct current voltage;
A wired connection port that can be electrically connected to an external electronic device;
A wireless charging unit capable of supplying wireless power to a mobile electronic device;
A battery unit including a charging IC electrically connected to the adapter connection port and a battery electrically connected to the charging IC;
A first switch capable of switching an electrical connection between the charging IC and the wired connection port;
A second switch capable of switching an electrical connection between the adapter connection port and the wireless charging unit;
A third switch capable of switching an electrical connection between the charging IC and the wireless charging unit;
A transformer IC electrically connecting between the battery and the wire connection port;
A controller for controlling the charging IC, the first switch, the second switch, the third switch, and the variable voltage IC; And
And a voltage selection IC electrically connected to the wired connection port and capable of controlling the control unit,
The charging IC
The first DC voltage being controlled by the controller and outputting the power of the first DC voltage to the first switch and the third switch while charging the battery when receiving the power of the first DC voltage from the adapter connection port, The power of the first DC voltage charged in the battery can be supplied from the battery and output to the first switch and the third switch,
The transformer IC
And a control unit which is controlled by the control unit and converts power of the first DC voltage charged in the battery into electric power of a second DC voltage different from the first DC voltage received from the battery and supplies the power to the wired connection port However,
The control unit
When it is determined that the adapter is connected to the adapter connection port, operates in an adapter mode in which the first direct current voltage supplied from the adapter is used to drive the adapter, and that the adapter is not connected to the adapter connection port The battery is operated in a battery mode in which the battery is driven by using the power of the first DC voltage charged in the battery,
The adapter mode
A first adapter mode for supplying power of the first DC voltage to the external electronic device when it is determined that the external electronic device is connected to the wired connection port;
A second adapter mode for supplying power of the first DC voltage to the wireless charger when it is determined that the wireless charger can supply the wireless power to the mobile electronic device; And
And a controller for controlling the power of the first DC voltage supplied from the adapter connection port and being charged in the battery to a second DC voltage different from the first DC voltage when it is determined that the external electronic device is connected to the wired connection port And a third adapter mode in which the first adapter mode is changed to power and supplied to the external electronic device,
The voltage selection IC
Wherein when the adapter is connected to the adapter connection port and the external electronic device is connected to the wired connection port, the controller senses the operating voltage of the external electronic device, Wherein the control unit is operable to control the control unit to operate as one of the wired / wireless charging devices. delete delete delete delete delete The method according to claim 1,
The first adapter mode
Controls the charging IC to supply power of the first DC voltage supplied to the charging IC from the adapter connection port to the battery so as to charge the battery,
Controls the first switch to be in an ON state so that power of the first DC voltage supplied to the charging IC from the adapter connection port is transferred to the wired connection port,
Controls the second switch to be in an ON state so that power of the first DC voltage is transmitted from the adapter connection port to the wireless charger unit,
Controls the third switch to be in an OFF state so that power of the first DC voltage supplied to the charging IC from the adapter connection port is not transmitted to the wireless charging unit,
And the mode is a mode in which the power of the first DC voltage charged in the battery is changed to the power of the second DC voltage and is not supplied to the wired connection port, Charging device. The method according to claim 1,
The second adapter mode
Controls the charging IC to supply power of the first DC voltage supplied to the charging IC from the adapter connection port to the battery so as to charge the battery,
Controls the first switch to be OFF so that power of the first DC voltage supplied to the charging IC from the adapter connection port is not transmitted to the wired connection port,
Controls the second switch to be in an ON state so that power of the first DC voltage is transmitted from the adapter connection port to the wireless charger unit,
Controls the third switch to be in an OFF state so that power of the first DC voltage supplied to the charging IC from the adapter connection port is not transmitted to the wireless charging unit,
And the mode is a mode in which the power of the first DC voltage charged in the battery is changed to the power of the second DC voltage and is not supplied to the wired connection port, Charging device. The method according to claim 1,
The third adapter mode
Controls the charging IC to supply power of the first DC voltage supplied to the charging IC from the adapter connection port to the battery so as to charge the battery,
Controls the first switch to be OFF so that power of the first DC voltage supplied to the charging IC from the adapter connection port is not transmitted to the wired connection port,
Controls the second switch to be in an ON state so that power of the first DC voltage is transmitted from the adapter connection port to the wireless charger unit,
Controls the third switch to be in an OFF state so that power of the first DC voltage supplied to the charging IC from the adapter connection port is not transmitted to the wireless charging unit,
And the mode is a mode in which the voltage of the first DC voltage charged in the battery is changed to the electric power of the second DC voltage and supplied to the wired connection port. Device. The method according to claim 1,
The battery mode
A first battery mode for supplying power of the first DC voltage charged in the battery to the external electronic device when it is determined that the external electronic device is connected to the wired connection port; And
And a second battery mode for supplying power of the first DC voltage charged in the battery to the wireless charger when it is determined that the wireless charger can supply the wireless power to the mobile electronic device Wired / wireless charging device. 11. The method of claim 10,
The battery mode
A third DC voltage which is supplied to the external electronic device by changing the power of the first DC voltage charged in the battery to the power of the second DC voltage when it is determined that the external electronic device is connected to the wired connection port, Further comprising a battery mode. delete 12. The method of claim 11,
The voltage selection IC
When the adapter is not connected to the adapter connection port and the external electronic device is connected to the wired connection port, the control unit detects the operation voltage of the external electronic device, Wherein the control unit is operable to control the control unit to operate in one of the two modes. 14. The method of claim 13,
The first battery mode
Controls the charging IC so that the power of the first DC voltage charged in the battery is discharged from the battery and supplied to the charging IC,
Controls the first switch to be in an ON state so that the power of the first DC voltage discharged from the battery and supplied to the charging IC is transferred to the wired connection port,
The second switch is controlled to be in an OFF state so that the adapter connection port and the wireless charging unit are not electrically connected,
The third switch is controlled to be in the ON state or the OFF state,
And the mode is a mode in which the power of the first DC voltage charged in the battery is changed to the power of the second DC voltage and is not supplied to the wired connection port, Charging device. 14. The method of claim 13,
The second battery mode
Controls the charging IC so that the power of the first DC voltage charged in the battery is discharged from the battery and supplied to the charging IC,
Controls the first switch to be in an OFF state so that the power of the first DC voltage discharged from the battery and supplied to the charging IC is not transmitted to the wired connection port,
The second switch is controlled to be in an OFF state so that the adapter connection port and the wireless charging unit are not electrically connected,
The third switch is controlled to be in the ON state or the OFF state,
And the mode is a mode in which the power of the first DC voltage charged in the battery is changed to the power of the second DC voltage and is not supplied to the wired connection port, Charging device. 14. The method of claim 13,
The third battery mode
Controls the charging IC so that the power of the first DC voltage charged in the battery is discharged from the battery and supplied to the charging IC,
Controls the first switch to be in an OFF state so that the power of the first DC voltage discharged from the battery and supplied to the charging IC is not transmitted to the wired connection port,
The second switch is controlled to be in an OFF state so that the adapter connection port and the wireless charging unit are not electrically connected,
The third switch is controlled to be in the ON state or the OFF state,
And the mode is a mode in which the voltage of the first DC voltage charged in the battery is changed to the electric power of the second DC voltage and supplied to the wired connection port. Device. 14. The method of claim 13,
And a switch button for controlling the controller such that the third switch is controlled to either ON or OFF when the controller is operated in one of the first, second and third battery modes. Including,
The control unit
And controls the third switch to be in the ON state when it is determined that the switch button has been pressed for more than the reference time and controls the third switch to be in the OFF state when it is determined that the switch button has been pressed for less than the reference time To-wire charging device. delete delete The method according to claim 1,
The wireless charging unit
A wireless charging IC electrically connected to the second switch and the third switch;
A full bridge FET which is electrically connected to the second switch and the third switch and is controlled by the wireless charging IC to switch and output power provided from any one of the second switch and the third switch; And
And a coil block capable of transmitting the radio power to the mobile electronic device using power provided from the full bridge FET. 21. The method of claim 20,
The wireless charging IC
Wherein the controller can recognize whether the mobile electronic device is disposed at a distance where the wireless power can be supplied from the coil block, and provide the wireless electronic device to the control unit. The method according to claim 1,
Further comprising first and second light emitting elements controlled by the control unit,
The control unit
And controls the first light emitting element to emit light when the adapter is connected to the adapter connection port,
And controls the second light emitting element to emit light when the wireless charger can supply the wireless power to the mobile electronic device.
KR1020160015092A 2016-02-05 2016-02-05 Wire and wireless charging apparatus KR101868445B1 (en)

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US11322993B2 (en) 2019-02-19 2022-05-03 Samsung Electronics Co., Ltd. Device and method for providing user interface according to wireless power-sharing
KR20210054172A (en) * 2019-11-05 2021-05-13 삼성전자주식회사 Method for controlling power path and electronic device supporting the same
WO2024106699A1 (en) * 2022-11-18 2024-05-23 삼성전자 주식회사 Electronic device comprising switching charger and operation method thereof

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