WO2014081054A1 - Dispositif de commande de charge et procédé de commande pour téléphone mobile à charge sans fil - Google Patents

Dispositif de commande de charge et procédé de commande pour téléphone mobile à charge sans fil Download PDF

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Publication number
WO2014081054A1
WO2014081054A1 PCT/KR2012/010011 KR2012010011W WO2014081054A1 WO 2014081054 A1 WO2014081054 A1 WO 2014081054A1 KR 2012010011 W KR2012010011 W KR 2012010011W WO 2014081054 A1 WO2014081054 A1 WO 2014081054A1
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WO
WIPO (PCT)
Prior art keywords
charging
battery
unit
voltage
external battery
Prior art date
Application number
PCT/KR2012/010011
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English (en)
Korean (ko)
Inventor
구승엽
Original Assignee
주식회사 차후
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Filing date
Publication date
Application filed by 주식회사 차후 filed Critical 주식회사 차후
Publication of WO2014081054A1 publication Critical patent/WO2014081054A1/fr

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Classifications

    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00308—Overvoltage protection
    • 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
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • 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
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • 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
    • 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
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H02J7/0049—Detection of fully charged condition
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/10—The network having a local or delimited stationary reach
    • H02J2310/20—The network being internal to a load
    • H02J2310/22—The load being a portable electronic device

Definitions

  • the present invention relates to a wireless charging type mobile phone, and more particularly, when the secondary battery pack is mounted on the mobile phone, the external battery in the state in which the internal battery or the external battery of the mobile phone is mounted on the mobile device through the wireless charging device.
  • the present invention relates to a charging control device and a control method of a wireless charging type mobile phone, which enables charging of the battery and intermittently converts an external battery or an internal battery into a power supply means.
  • a portable electronic device such as a PDA or a mobile phone includes a rechargeable battery that can be reused to supply power for driving the electronic device even when power is not supplied from the outside. Doing.
  • a charging device for charging the rechargeable battery may be classified into a fixed device such as a cradle used by connecting to a power outlet and a portable charging device used with a portable device.
  • a warning message or a warning signal is provided to replace the battery. Accordingly, the user may turn off the mobile phone to replace the battery in a normal case. off), remove the built-in battery, short the power, replace the battery with a new one, and turn the power on again.
  • the mobile phone enables the operation of the mobile phone by newly operating programs.
  • Such a procedure requires at least several seconds to restart the program. If the additional time of power off and on is added, the short time is 5 seconds. In the meantime, the user spends an average of 10 seconds or more, and also hassles of having to newly set up the programs used in the existing login configuration.
  • an external battery can be additionally installed and used to cope with various functions such as video playback on a smart phone and wireless Internet.
  • the applicant of the present application proposes a power charging control device and a control method thereof in a mounted state of an external battery in an electronic device through Patent No. 1188359, "Power control device for electronic equipment and its control method.”
  • the power supply control device and control method of the electronic device filed by the applicant of the present application are applied to a method of performing charge control by directly connecting a charging device to a mobile phone or mounting an external battery (secondary battery) on a charging pack.
  • an external battery secondary battery
  • the wireless charging method is configured to configure the wireless charging means in the mobile phone regardless of the removable or fixed battery, and to charge the internal battery and the external battery mounted on the mobile phone device from the external charging device.
  • An object of the present invention is to provide a charging control device for a mobile phone and a control method thereof.
  • the charging control device of the present invention wireless charging method mobile phone
  • It includes a contactless charger for generating a charging voltage to supply to the mobile phone device using an external commercial power supply, and supplying the generated voltage to the mobile phone device, and a contactless charging circuit for receiving a charging voltage from the contactless charger Configured mobile phones,
  • the mobile phone device receives the charging state information of the battery means of the mobile phone device from the control unit and provides the contactless charger to perform contactless charging control and receive the charging voltage from the contactless charger in the contactless state.
  • the contactless charging unit provided to the power supply switching unit, the power supply switching unit for supplying the charging voltage input from the contactless charging unit to the internal battery and the external battery and switching and supplying to the charging and circuit unit, and the connection interface unit to which the external battery is connected
  • An external battery connection detecting unit detecting a connection of an external battery through a connection interface unit, a level detecting unit detecting voltage levels of the external battery and the internal battery,
  • Charge state information is generated according to the voltage level of the external battery connected to the internal battery and the connection interface unit, and the charge state information is provided to the uncharged charger unit to charge the internal battery or the external battery.
  • a control unit configured to perform a power supply switching control for supplying power to a circuit unit of an internal battery or an external battery according to a connection state.
  • the present invention it is possible to easily perform wireless charging without intermitting the power to the internal battery fixed as well as the removable battery, wireless charging without interrupting the power even in the state of mounting an external auxiliary battery. can do.
  • FIG. 1 is a block diagram showing the configuration of a charging control device of the present invention wireless charging mobile phone.
  • FIG. 2 is a block diagram showing a detailed configuration of a contactless charger and a contactless charger in a mobile phone device according to the present invention.
  • Figure 3 is a flow chart showing the performance of the charging control method of the present invention wireless charging mobile phone.
  • Figure 4 is a flow chart illustrating a power supply switching process in the present invention.
  • FIG. 5 is a view showing an example of use of the present invention wireless charging mobile phone.
  • the contactless charger 100 for generating a charging voltage to be supplied to the mobile phone device 200 using an external commercial power supply and supplying the generated voltage to the mobile phone device 200, and from the contactless charger 100 It comprises a mobile phone device 200 including a contactless charging circuit for receiving a charging voltage,
  • the mobile phone device 200 receives the charging state information of the battery means of the mobile phone device 200 from the control unit 209 to provide to the contactless charger 100 to perform contactless charging control and contactless
  • the internal battery 210 receives a charging voltage input from the contactless charging unit 201 and the contactless charging unit 201 that receives the charging voltage from the charger 100 in the contactless state and provides the power switching unit 202.
  • the power supply switching unit 202 for supplying to the external battery 300 and switching and supplying to the charging and circuit unit, the connection interface unit 203 to which the external battery 300 is connected, and the external through the connection interface unit 203
  • An external battery connection detecting unit 204 for detecting a connection of the battery 300, a level detecting unit 205 for detecting voltage levels of the external battery 300 and the internal battery 210, and power switching can be selectively selected by the user.
  • User-defined information that gives you control
  • An input unit 206 for inputting a beam, a display unit 207 for displaying a current, consumed or charged battery means, a level display and discharging, and a notification of completion of charging, the internal battery 210 and an external battery 300.
  • the uncharged charging unit ( 201) to charge the internal battery 210 or the external battery 300, and to the circuit unit 211 of the internal battery 210 or the external battery 300 according to the connection state of the external battery 300.
  • a control unit 209 for performing power switching control to supply power.
  • the present invention relates to a mobile phone device having a built-in contactless charging circuit that performs battery charging in a proximity state without a separate contact point, wherein the charging and discharging (used power supply) of the power supply in the state where an external battery is connected. Its technical features make it possible to provide seamlessly.
  • the contactless charger 100 is a means for performing contactless charging in a state of contacting the mobile phone device 200 to be charged.
  • the contactless charger 100 is used as a counterpart to the contactless charger 100.
  • the contactless charging unit 201 is configured as a contactless charging circuit means for providing a charging voltage of 200.
  • the power switching unit 202 of the mobile phone device 200 transfers the charging voltage input from the contactless charging unit 210 to the internal battery 210 and the external battery 300 under the control of the controller 209. It is a means for supplying and switching and supplying to the charging and circuit part 211, and also supplies a charging voltage to the intermittent power supply part 208.
  • connection interface unit 203 is a means including an external battery connection terminal exposed to the outside, it is a means for connecting the external battery 300.
  • the external battery connection detecting unit 204 is a means for detecting whether the external battery 300 is connected to the connection interface unit 203, the current sensing flowing while the external battery 300 is connected to the connection interface unit 203 or It can be designed to detect the connection by detecting the voltage level.
  • the level detector 205 is a means for detecting the voltage levels of the external battery 300 and the internal battery 210 and providing them to the controller 209.
  • the input unit 206 includes the following input means to arbitrarily select a charging or using power source.
  • the display unit 207 is a means for displaying of the battery means currently consumed or charged, level display and discharge, notification display of the completion of charging.
  • the intermittent power supply unit 208 suspends the power supply when the power supply is switched to the power supply, that is, when the power supply is switched from the internal battery 210 to the external battery 300 and the external battery 300 to the internal battery 210.
  • an interruption section in which the power supply is suspended is generated, and a power supply for such an interruption section is required, and it can be configured as a means (capacitor) for storing the temporary power.
  • the control unit 209 provides a process for performing charging and switching of the power supply of the external battery 300 connected to the internal battery 210 and the connection interface unit 203.
  • the controller 209 is a charging state information providing process for providing the state of charge of the external battery 300 connected through the internal battery 210 and the connection interface unit 203 to the contactless charging unit 201, the internal battery ( 210) the charging path to the internal battery 210 or the external battery 300 by controlling the power switching unit 202 according to the charging status information and whether the external battery 300 is connected or not, and the charging status information of the external battery 300.
  • Feedback path for providing feedback information to the contactless charger 100 by monitoring the voltage of the contactless charging unit 201 during the charging path control process, charging process of the internal battery 210 or the external battery 300 to provide a;
  • Power supply switching control process for controlling the power supply to be provided to the circuit unit 211 by controlling the power switching unit 202 according to the providing process, whether the external battery 300 is connected, and the charging state information of the external battery It includes.
  • the contactless charger 100 is a means for generating a charging power to be supplied to the battery means to be configured in the mobile phone device 200 from an external commercial power source, various structures that can seat the mobile phone device 200 Can be designed as.
  • the battery means configured in the mobile phone device 200 includes the internal battery 210 and the external battery 300.
  • Wireless charging method may be configured in a variety of known forms, in the embodiment of the present invention will be described taking a contactless charging method by the induced electromotive force as an example.
  • FIG 2 shows an embodiment configuration of the contactless charger 100 and the contactless charger 201 configured in the mobile phone device 200.
  • the contactless charger 100 rectifies the commercial power supplied and converts the rectifier 101 into a direct current power (DC), and pulse width modulates the DC power supplied from the rectifier 101 to generate a high frequency AC voltage driving pulse.
  • PWM drive unit 102 to generate and apply to drive coil 103, drive coil 103 for generating a magnetic field by the drive pulse of the PWM drive unit 102, the mobile phone device 200
  • the drive unit 104 for receiving the charging state information from the contactless charging unit 201 configured in the above, and driving the PWM driver 102 in accordance with the charging state information of the mobile phone device 200 received through the receiving unit 104
  • a controller 105 for controlling the pulse width to advance the charging mode.
  • the contactless charging unit 201 of the mobile phone device 200 is magnetically coupled to the driving coil 103 to generate an induced electromotive force, and to the output end of the magnetic coil 201a.
  • Rectifier 201b connected to rectify the AC voltage pulse induced by the drive coil 103 into a DC voltage, and the DC voltage converted from the rectifier 201b according to the charging state information provided from the controller 209.
  • Solid-state voltage / constant current unit 201c for generating charging power for charging and supplying the power to the power switching unit 202 and the feedback information according to the charging state information and constant voltage / constant current monitoring provided from the controller 209. It comprises a transmitter 201d for providing to the charger 100.
  • the rectifying unit 101 is a rectifying means for rectifying the commercial power source to convert to a DC power source.
  • the PWM driver 102 is a means for generating a high frequency AC voltage pulse by pulse width modulating the DC power supplied from the rectifier 101, and generates a drive pulse for generating a magnetic field of the drive coil 103. By means of providing.
  • the driving coil 103 constitutes a primary side coil in a coil structure for generating a magnetic field and induced electromotive force.
  • the receiver 104 includes an antenna as a means for receiving charge state information and feedback information transmitted from the transmitter 201d of the contactless charger 201 configured in the mobile phone device 200.
  • the controller 105 is a means for controlling the charging mode by controlling the driving pulse voltage of the PWM driver 102 by receiving the charging state information and feedback information received through the receiver 104.
  • the control process is configured.
  • the magnetic coil 201a is a secondary coil for generating induced electromotive force and is a means for magnetically coupling with the driving coil 103 to generate induced electromotive force.
  • the rectifying unit 201b is a rectifying means for rectifying the AC voltage pulse induced by the driving coil 103 from the output terminal of the magnetic coil 201a into a DC voltage.
  • the constant voltage / constant current unit 201c is a means for converting the DC voltage converted from the rectifying unit 201b into a state for charging and providing it to the power switching unit 202.
  • the control information (charging) of the control unit 209 In accordance with the status information), a constant voltage or a constant current is provided to the power supply switching unit 202.
  • the transmitter 201d includes an antenna as a means for providing the contactless charger 100 with the charging state information provided from the controller 209 and feedback information according to the constant voltage / constant current monitoring.
  • the wireless charging method mobile phone characterized in such a configuration as follows.
  • the mobile phone device 200 In order to charge the mobile phone device 200, the mobile phone device 200 should be brought close to the contactless charger 100.
  • the contactless charger 100 is designed to place the mobile phone device 200 so that the user can perform charging while placing the mobile phone device 200 on the contactless charger 100.
  • control unit 209 of the mobile phone device 209 detects that the charging voltage (or charging current) is supplied from the contactless charging unit 201 to the power switching unit 202, the connection of the contactless charger 100 is checked.
  • the level detecting unit 205 determines the state of charge of the internal battery 210.
  • the power switching unit 202 is controlled to set the charging path to the internal battery 210.
  • the power switching unit 202 charges the internal battery 210 by supplying a charging voltage supplied from the contactless charging unit 201 to the internal battery 210.
  • the internal battery 210 When the internal battery 210 is in a fully charged state, it is determined whether the external battery 300 is connected, and when the external battery 300 is connected, the external battery 300 is charged according to the charging state of the external battery 300. Do this.
  • the external battery connection detecting unit 204 detects when the external battery 300 is connected to the connection interface unit 203 and provides it to the control unit 209.
  • the control unit 209 first buffers the internal battery 210. Afterwards, the external battery 300 is charged.
  • the control unit 209 controls the power switching unit 202 to set the charging path to the external battery 300, and accordingly, the power switching unit 202 controls the charging voltage from the contactless charging unit 201 to the external battery. 300).
  • the controller 209 displays the connection of the contactless charger 100 and the state of charge of the internal battery 210 and the external battery 300 through the display unit 207.
  • the user may set the charging target battery using the input unit 205.
  • the user selects the external battery 300 or the internal battery 210 by using the input unit 205 to perform the above-described charging, and the control unit 209 selects a charging target from the input unit 205. Therefore, the power switching unit 202 is controlled to set the charging path for the corresponding charging target.
  • the controller 209 controls the power switching unit 202 to supply the charging voltage of the contactless charging unit 201 to the circuit unit 211. do.
  • control unit 209 ends the charging process and displays it on the display unit 207.
  • the rectifier 101 of the contactless charger 100 rectifies a commercial power supply with a DC voltage, and the rectified voltage generates a driving pulse of the driving coil 103 by modulating a pulse width in the PWM driving unit 102 to generate a driving pulse. Supply to (103).
  • the driving coil 103 When the driving pulse is supplied to the driving coil 103 as described above, the driving coil 103 generates magnetism, and the induced electromotive force is generated in the magnetic coil 201a of the contactless charging unit 201 by the magnetism generated as described above.
  • the rectifier 201b rectifies the electromotive force induced by the magnetic coil 201a into a DC voltage and supplies the rectified voltage to the constant voltage / constant current unit 201c.
  • the constant voltage / constant current unit 201c generates the charging power of the charging voltage or the charging current and outputs the charging power to the power switching unit 202.
  • the constant voltage / constant current unit 201c selects and switches the constant current mode or the constant voltage mode according to the charging state information provided from the control unit 209, and maintains the constant current mode at the initial charging time of the battery means.
  • the charging voltage of the means becomes saturated, it switches to the constant voltage mode.
  • control unit 209 selects and switches the constant voltage mode and the constant current mode according to the charging state of the battery means, and monitors the constant voltage / constant current unit 201c to charge the monitoring information as feedback information through the transmitter 201d. Provides to the contactless charger 100 with the status information.
  • the controller 209 checks whether excessive voltage is applied to the constant voltage / constant current unit 201c and provides feedback information as the adjustment information.
  • the receiving unit 104 of the contactless charger 100 receives such charging state information and feedback information and provides it to the control unit 105, and the control unit 105 receives the pulse of the PWM driver 102 based on the information. Adjusts the pulse width of the high frequency AC voltage pulse to be modulated.
  • control unit 105 controls the pulse width of the high frequency AC voltage pulse by controlling the charging mode and the buffer mode according to the charging state information received from the mobile phone device 200, and the feedback The pulse width voltage is adjusted according to the information so as not to apply excessive voltage to the constant voltage / constant current unit 201c.
  • the control unit operates the PWM driver 102 by switching to the standby mode.
  • the power supply switching control process is performed as follows.
  • the control unit 209 controls the power switching unit 202 to provide the voltage of the internal battery 210 to the circuit unit 211.
  • the power supply switching unit 211 is used to set the power supply switching path so that the voltage of the internal battery 210 is supplied to the circuit unit 211 as usual, the voltage of the external battery 300 in the state that the external battery 300 is connected
  • the power supply switching path is set to be provided to this circuit section 211.
  • an intermittent section (for example, 0.1 seconds) occurs, such as Power is required in the intermittent section.
  • control unit 209 When the use power is switched as described above, the control unit 209 provides the voltage charged in the intermittent power supply unit 208 to the power switching unit 202 so that the intermittent power can be supplied to the circuit unit 2110.
  • control unit 209 uses the intermittent power supply unit 208 through the power switching unit 202 as an external power source 300 or the internal battery 210. By charging the intermittent power supply unit 208 to recharge the power consumed in the intermittent section.
  • Figure 3 is a flow chart showing a wireless charging process in the present invention.
  • the wireless charging process is as follows.
  • the internal battery 210 checks whether the external battery 300 is connected, and when the external battery 300 is not connected to the internal battery, the internal battery is charged.
  • the internal battery charge state determination process if the internal battery 210 is required to be charged, the state of charge information for the internal battery 210 is generated and provided to the contactless charger 100 and the contactless charging unit 201, Switching and setting the charging path to the internal battery 210, generates the charging power by the induced electromotive force obtained from the contactless charger 100, and supplies the generated charging power to the internal battery 210 to charge and internal battery 210 Internal battery charging process to repeat the charge determination process to check the state of charge,
  • the charging state information is generated for the external battery 300, and the charged state for the external battery 300 is completed.
  • the voltage of the contactless charging unit 201 is monitored to generate feedback information, and the generated feedback information is stored in the contactless charging unit 201 so that the overvoltage is not applied. ) Is provided, including the process of providing feedback information.
  • the user selects the charging path to the internal battery 210 or the external battery 300 to perform the internal battery charging process or the external battery charging process according to the user's selection. The process is further included.
  • FIG. 4 is a flowchart illustrating a process of controlling switching of power supply.
  • the charging state information of the external battery 300 is checked and displayed when the reference voltage is lower than the display unit 207, and when it is higher than the reference voltage, the use of switching the power supply to the external battery 200 is used. Power switching process,
  • the display unit 207 displays it and switches the power supply to the internal battery 210 and performs the intermittent voltage supply process. Repeated internal battery power supply switching process,
  • the use power switching control process is performed including an intermittent voltage supply charging process for charging the intermittent voltage supply unit 208 from the internal battery 210.

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

Abstract

La présente invention concerne un téléphone mobile à charge sans fil. La présente invention concerne un dispositif de commande de charge et un procédé de commande destinés à un téléphone mobile à charge sans fil, le dispositif de commande de charge comprenant un moyen de charge sans fil incorporé au téléphone mobile indépendamment du fait que le téléphone dispose d'une batterie détachable ou d'une batterie fixe, charge une batterie intégrée ou une batterie extérieure placée dans le téléphone mobile en utilisant un chargeur sans fil externe, isole et relie la batterie extérieure ou la batterie intégrée à un moyen d'alimentation électrique.
PCT/KR2012/010011 2012-11-26 2012-11-26 Dispositif de commande de charge et procédé de commande pour téléphone mobile à charge sans fil WO2014081054A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120134251A KR101426940B1 (ko) 2012-11-26 2012-11-26 무선충전방식 휴대전화의 충전 제어장치와 제어방법
KR10-2012-0134251 2012-11-26

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WO2014081054A1 true WO2014081054A1 (fr) 2014-05-30

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WO2019242019A1 (fr) * 2018-06-22 2019-12-26 Oppo广东移动通信有限公司 Dispositif de charge, terminal mobile et procédé de commande de charge
CN113226085A (zh) * 2018-12-17 2021-08-06 尼科创业贸易有限公司 嵌入式连接

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WO2016182092A1 (fr) * 2015-05-08 2016-11-17 김영조 Dispositif de poche de bloc de batteries pour terminal portable ayant une fonction de charge/décharge
KR102627231B1 (ko) 2017-01-31 2024-01-19 삼성전자주식회사 보조 배터리로부터 무선으로 전력을 수신하는 모바일 장치
KR200488550Y1 (ko) * 2017-12-01 2019-05-21 재단법인 한국엘피지배관망사업단 태양광 시스템이 탑재된 경보장치
KR102268808B1 (ko) * 2018-12-28 2021-06-23 강승오 단독 사용 및 각종 전기전자기기에 내장하여 사용할 수 있는 복합감지센서를 이용한 재난 및 재해 경보장치
KR102412201B1 (ko) * 2018-12-28 2022-06-23 조원아 단독 사용 및 각종 전기전자기기에 내장하여 사용할 수 있는 복합감지센서를 이용한 재난 및 재해 경보장치
KR102347585B1 (ko) * 2018-12-28 2022-01-06 조원아 단독 사용 및 각종 전기전자기기에 내장하여 사용할 수 있는 복합감지센서를 이용한 재난 및 재해 경보장치
KR102480743B1 (ko) * 2020-12-18 2022-12-22 조원아 복합감지센서를 이용한 재난 및 재해 경보장치

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