WO2013129736A1 - Appareil et procédé pour charger un terminal portable - Google Patents

Appareil et procédé pour charger un terminal portable Download PDF

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Publication number
WO2013129736A1
WO2013129736A1 PCT/KR2012/003779 KR2012003779W WO2013129736A1 WO 2013129736 A1 WO2013129736 A1 WO 2013129736A1 KR 2012003779 W KR2012003779 W KR 2012003779W WO 2013129736 A1 WO2013129736 A1 WO 2013129736A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
portable terminal
charging
terminals
usb
Prior art date
Application number
PCT/KR2012/003779
Other languages
English (en)
Korean (ko)
Inventor
배세희
문경희
Original Assignee
주식회사 코리아하이텍
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 코리아하이텍 filed Critical 주식회사 코리아하이텍
Publication of WO2013129736A1 publication Critical patent/WO2013129736A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—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
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00036—Charger exchanging data with battery
    • 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
    • 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
    • H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
    • 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
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge

Definitions

  • the present invention relates to a charging device and a method of a portable terminal, and to a charging device and a method of a portable terminal capable of rapidly charging a variety of portable terminals (ie, mobile phones) by determining the portable terminal device connected to the USB port. It is about.
  • Batteries are essential for the use of existing portable terminals. To this end, charging was generally performed by connecting a portable terminal to a power terminal. However, there is a disadvantage that it is difficult to charge it when moving, such as driving a vehicle.
  • the portable terminal is being charged by plugging it into a USB terminal instead of a power terminal.
  • smartphone chargers such as iPhones or Galaxys use dedicated chargers for each of them, but in the case of common chargers, the USB port is composed of multiple terminals.
  • the current connected portable device does not recognize whether the iPhone or Galaxy phone is configured separately for the iPhone terminal and the terminal for the Galaxy phone, there is a disadvantage that must be connected to each model even when charging.
  • An object of the present invention is to determine the type of mobile phone connected to the USB terminal, through which a single USB terminal can provide a charging device and method of a portable terminal capable of rapidly charging various types of mobile phones.
  • a charging device for charging a portable terminal comprising: a power supply unit for supplying power for charging, a USB terminal connected to an external portable terminal, and a USB for varying its charging voltage according to a portable terminal connected to a USB terminal
  • a charging device for a portable terminal comprising a central processor configured to control the operation of the USB line controller by determining a portable terminal connected to the line controller and the USB terminal.
  • a first resistor R1 connected between the USB line controller, a power supply voltage VCC and a first terminal D +, a second resistor R2 connected between the first terminal D + and a ground;
  • the third resistor R3 connected to the first terminal D + and the monitoring terminal Vs, the fourth resistor R4 connected between the second terminal D- and the first switch SW1, and the power supply voltage.
  • the fifth resistor R5 connected to the VCC and the second terminal D-, the first switch SW1 connected between the fourth resistor R4 and the ground terminal, and the second terminal D-.
  • a sixth resistor R6 connected between the ground terminal and the ground terminal, and a second switch SW2 connected between the first terminal D + and the second terminal D ⁇ .
  • the first and second switches may use any one of a transistor, an FET, and a switching IC operating according to a signal of the central processing unit.
  • the central processing unit may determine the connected portable terminal by using the voltage value of the monitoring terminal.
  • the charging method for a portable terminal connected to a USB terminal having a first and a second terminal comprising the steps of: monitoring the voltage values of the first and second terminals to determine the type of the portable terminal; When the first portable terminal is connected according to the determination, the voltage of the first and second terminals is changed to a condition for rapid charging of the first portable terminal, and if the second portable terminal is connected, And changing the voltages of the first and second terminals to conditions for rapid charging of the second portable terminal, and determining that the terminal is out of the terminal if the portable terminal is not connected as a result of the determination. It provides a charging method of the terminal.
  • the first and second portable terminals may perform rapid charging after determining whether the first and second terminals may be rapidly charged by determining the voltages of the first and second terminals.
  • the step of determining the type of the terminal and changing the conditions for rapid charging may include setting a voltage value of the monitoring terminal using the voltage values of the first and second terminals, and using the voltage value of the monitoring terminal.
  • a first step of determining whether or not the portable terminal is connected and if the first portable terminal is connected as a result of the first determination, the first portable terminal is charged, and if the first portable terminal is not connected, the first portable terminal is charged.
  • Changing the voltage value of the monitoring terminal by changing the voltage value of the first and second terminals; and secondly determining whether or not the second portable terminal is connected by checking the changed voltage value of the monitoring terminal again. As a result, when the second portable terminal is connected, the second portable terminal is charged. If the second portable terminal is not connected, the terminal is charged. It characterized in that the phthaloyl determined.
  • the change in the voltage value of the first and second terminals is characterized by conducting the first and second terminals and connecting an additional resistor.
  • the method may further include determining whether a bad terminal is connected according to the voltages of the first and second terminals, and disconnecting the USB power as a result of the bad determination.
  • the determination of whether or not the bad terminal is connected may determine whether it is in a short state or 0V, and the terminal departure determination may be performed to determine a no-load state.
  • the present invention enables the identification of various types of portable terminals, that is, mobile devices, through a single USB terminal, and provides a rapid charging voltage for the portable terminal, so that the portable terminal can proceed with rapid charging.
  • FIG. 1 is a block diagram of a charging device of a portable terminal according to an embodiment of the present invention.
  • FIG. 2 is a circuit diagram of a USB line controller according to an embodiment.
  • FIG. 3 is a flowchart illustrating a charging method of a portable terminal according to an embodiment of the present invention.
  • FIG. 4 is a flowchart illustrating a charging method of a portable terminal according to a variation of an embodiment.
  • 1 is a block diagram of a charging device of a portable terminal according to an embodiment of the present invention.
  • 2 is a circuit diagram of a USB line controller according to an embodiment.
  • the apparatus for fast charging a portable terminal includes a power supply unit 100 for supplying power for charging, a USB terminal 200 connected to an external portable terminal 10, and According to the portable terminal 10 connected to the USB terminal 200, the USB line controller 300 for varying its charging voltage and the portable terminal 10 connected to the USB terminal 200 are determined to determine the USB line controller ( A central processing unit 400 for controlling the operation of 300 is provided.
  • the portable terminal 10 when the portable terminal 10 is connected to the USB terminal 200, the voltages of the first and second terminals D + and D- are checked through a monitoring terminal, and the portable terminal 10 Determine the type. Thereafter, the internal switch is adjusted to set the fast charging condition for the portable terminal 10. Through this, the rapid charging of the portable terminal 10 can be performed.
  • the power supply unit 100 may use various power supply devices to which the USB terminal 10 is connected.
  • the power supply unit 100 of the present embodiment preferably generates a power supply voltage VCC.
  • the present invention is not limited thereto, and the power supply unit 100 may generate power in various forms.
  • the USB terminal 200 includes a first terminal D + and a second terminal D ⁇ connected to an external terminal.
  • the USB line controller 300 is connected between the central processing unit 400 and the USB terminal 200 to provide the power supply voltage VCC of the power supply unit 100 to the USB terminal 200.
  • the USB line controller 300 varies the voltage provided from the power supply unit 100 to the USB terminal 200 by using a plurality of resistors and switches.
  • the USB line controller 300 may include a first resistor R1 connected between the power supply voltage VCC and the first terminal D +, and between the first terminal D + and ground. Connected between the connected second resistor R2, the first terminal D + and the third resistor R3 connected to the monitoring terminal Vs, and between the second terminal D- and the first switch SW1. First resistor R4 connected to the fourth resistor R4, the power supply voltage VCC and the second terminal D ⁇ , and a first switch connected between the fourth resistor R4 and the ground terminal. SW1, the sixth resistor R6 connected between the second terminal D- and the ground terminal, and the second switch SW2 connected between the first terminal D + and the second terminal D-. It includes.
  • transistors that operate the first and second switches SW1 and SW2 according to the control signal of the central processing unit 400.
  • the present invention is not limited thereto, and it is possible to use a switch that is turned on or off according to an external signal.
  • transistors, FETs, switching ICs, and the like can be used.
  • Ra is a parallel resistance value of the first resistor R1 and the fifth resistor R5, and Rb is a parallel resistance value of the second resistor R2, the fourth resistor R4, and the sixth resistor R6. .
  • the central processing unit 400 determines the portable terminal 10 to be connected. To this end, the voltage change of the monitoring terminal Vs of the USB line controller 300 is sensed. For example, when the initial voltage is maintained without a voltage change of the monitoring terminal Vs, the first terminal is recognized as the first portable terminal, and when there is a voltage change, the second terminal is recognized as the second portable terminal.
  • a recognition method is not limited to the above description and may vary.
  • the central processing unit 400 controls the operation of the first and second switches SW1 and SW2 to vary the voltages of the first and second terminals D + and D ⁇ to set a fast charging condition for the second portable terminal. Set it.
  • the portable terminal checks the voltages of the connected first and second terminals D + and D-, checks whether or not the fast charging is possible, and then proceeds with rapid charging.
  • the central processing unit 400 and the USB line control unit 300 have been described as being separated, but the present invention is not limited thereto, and they may be manufactured in a single chip form.
  • a separate switch and a resistor may be added to change the voltage values provided through the first and second terminals D + and D ⁇ , thereby charging the portable terminal having various fast charging voltage values.
  • FIG. 3 is a flowchart illustrating a rapid charging method of a portable terminal according to an embodiment of the present invention.
  • a mobile device which is a portable terminal, is connected to a USB terminal of a charging device of a portable terminal (S110).
  • USB connection line is a line which can be connected to the first and second portable terminals whose charging voltages are different.
  • the voltages of the first and second terminals D + and D ⁇ are set to voltages for rapid charging of the first portable terminal.
  • the first and second switches SW1 and SW2 in the USB line control unit are turned off (ie, short circuited). Of course, this may be the voltage for rapid charging, but may also maintain the initial voltage.
  • the initial voltage value is set to the monitoring terminal Vs, and the monitoring voltage when the first portable terminal is connected is correct, and if it is correct, the first portable terminal is recognized.
  • the USB line controller 300 may provide the central processing unit 400 with the voltage of the first terminal D + as the monitoring terminal Vs by internal voltage distribution.
  • the central processing unit 400 may determine whether the first portable terminal is connected by determining the voltage of the monitoring terminal VS.
  • the determination may be based on comparing the voltage of the monitoring terminal Vs with a preset reference voltage.
  • the present invention is not limited thereto, and the determination method may be various. That is, it may be based on the case where there is no change in the voltage of the monitoring terminal Vs, that is, the first terminal and when the change occurs.
  • the first portable terminal is charged (S130). At this time, the first portable terminal determines that the setting of the first terminal D + and the second terminal D ⁇ of the charging device is in a state in which charging is possible (S131). After such confirmation, the first portable terminal is charged (S132).
  • the voltages of the first and second terminals D + and D ⁇ may be adjusted to set conditions for rapid charging of the first portable terminal. That is, the voltage level of the first terminal (D +) and the second terminal (D ⁇ ) and the first terminal (D +) and the second terminal (D-) are the same as those of the dedicated charging device for the first portable terminal. If so, the terminal side recognizes it and proceeds with rapid charging.
  • the voltages of the first and second terminals D + and D ⁇ are set to voltages for rapid charging of the second portable terminal.
  • the first and second switches SW1 and SW2 in the USB line controller are turned on.
  • voltages of the first and second terminals D + and D ⁇ may be changed by changing resistance values in the USB line controller.
  • the voltage value of the monitoring terminal Vs is again checked to determine whether the mobile device is separated (S150).
  • the predetermined time is effectively a time after the initial unstable voltage state is stabilized when the portable terminal is connected.
  • it is effective to be in the range of 0.1 to 3 seconds.
  • the charging is terminated without charging the mobile device. That is, when a voltage is detected in the no-load state in which the USB terminal is opened while the first and second switches SW1 and SW2 are turned on, the portable terminal is recognized as detached. Thereafter, after a predetermined time, the voltages of the first and second terminals D + and D ⁇ may be set back to voltages for rapid charging of the first portable terminal.
  • the first and second switches SW1 and SW2 in the USB line controller are turned off (ie, shorted). Of course, this may be the voltage for rapid charging, but may also maintain the initial voltage.
  • the connected device recognizes the second portable terminal (S160) and charges the second portable terminal (S170).
  • the second portable terminal checks that the settings of the first terminal D + and the second terminal D ⁇ of the charging device are in a state capable of charging (S171). After such confirmation, the second mobile terminal is charged (S172).
  • the portable terminal connected to the first terminal D + and the second terminal D- is determined through the voltage change of the monitoring terminal, and the fast charging condition for the determined portable terminal is set. Rapid charging of the portable terminal can be performed.
  • the portable terminal may proceed with rapid charging after determining whether the voltage provided by the connected charging device is a voltage for rapid charging, and may perform an effective and safe charging through its internal circuit.
  • this invention is not limited to this, Various charging methods can be used.
  • FIG. 4 is a flowchart illustrating a charging method of a portable terminal according to a modified example of the embodiment.
  • the voltage value of the monitoring terminal Vs is checked, and it is determined whether the voltage value corresponds to the voltage value when the first portable terminal is connected.
  • the monitoring terminal (Vs) voltage is determined to determine whether the first portable terminal is connected (S220).
  • the type of the portable terminal is determined by monitoring the voltages of the first and second terminals D + and D ⁇ . Then, the first terminal D + and the second terminal D ⁇ of the charging device are adjusted to the conditions for rapidly charging the portable terminal. For example, set the same voltage condition as the fast charger. In addition, the portable terminal may proceed with rapid charging after confirming whether rapid charging is possible through such a change.
  • the voltages of the first and second terminals D + and D ⁇ are changed (S240). That is, the first and second switches SW1 and SW2 in the USB line controller are turned on. As a result, voltages of the first and second terminals D + and D ⁇ may be changed by changing resistance values in the USB line controller.
  • the voltage value of the monitoring terminal Vs is again checked to determine whether the second portable terminal is connected (S250).
  • the determination of whether the terminal is connected includes determining whether the defective portable terminal is connected, and determining whether the portable terminal is separated. The determination may be performed simultaneously or sequentially.
  • the determination checks whether the short state or 0V, and if the short state determines that the battery is bad, the power is cut off.
  • the charging for the second portable terminal is performed as described above (S260). However, if it is determined that the departure is returned to the initial condition.

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

Abstract

La présente invention concerne un appareil et un procédé pour charger rapidement un terminal portable. L'appareil de chargement rapide pour un terminal portable comprend : une unité de source d'alimentation pour fournir de l'énergie pour la charge ; un terminal USB connecté à un terminal portable externe ; une unité de commande de ligne USB pour faire varier la tension de charge du terminal portable en fonction du type de terminal portable connecté au terminal USB ; et une unité centrale de traitement pour discriminer le type de terminal portable connecté au terminal USB de façon à contrôler le fonctionnement de l'unité de commande de la ligne USB.
PCT/KR2012/003779 2012-02-28 2012-05-15 Appareil et procédé pour charger un terminal portable WO2013129736A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2012-0020088 2012-02-28
KR1020120020088A KR101389740B1 (ko) 2012-02-28 2012-02-28 휴대용 단말기의 충전장치 및 방법

Publications (1)

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WO2013129736A1 true WO2013129736A1 (fr) 2013-09-06

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PCT/KR2012/003779 WO2013129736A1 (fr) 2012-02-28 2012-05-15 Appareil et procédé pour charger un terminal portable

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KR (1) KR101389740B1 (fr)
WO (1) WO2013129736A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101658367B1 (ko) * 2015-04-26 2016-09-22 (주)이미지스테크놀로지 기울기 감지를 이용한 smps 퀵 차지 장치
CN105515092A (zh) * 2015-12-04 2016-04-20 小米科技有限责任公司 终端充电控制方法及装置
KR102408409B1 (ko) * 2016-02-22 2022-06-13 에스케이텔레콤 주식회사 휴대 단말을 이용한 외부 기기의 전원 공급 장치
KR102416128B1 (ko) 2017-09-13 2022-07-04 현대자동차주식회사 충전 장치 및 이를 포함하는 차량, 충전 장치의 제어 방법
KR102406959B1 (ko) 2017-11-28 2022-06-13 삼성전자주식회사 커넥터를 포함하는 전자 장치 및 전자 장치에서의 전력 송수신을 제어하는 방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980031554A (ko) * 1996-10-31 1998-07-25 구자홍 복합 배터리 충전 제어 방법
KR200326739Y1 (ko) * 2003-06-05 2003-09-19 금비전자(주) 휴대폰 배터리 충전기능을 갖는 유에스비 데이터 케이블
KR20090021518A (ko) * 2007-08-27 2009-03-04 삼성전자주식회사 멀티 충전 장치 및 방법
KR20120001280A (ko) * 2010-06-29 2012-01-04 삼성전자주식회사 휴대용 충전 장치 및 그의 충전 방법 및 충전 시스템

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980031554A (ko) * 1996-10-31 1998-07-25 구자홍 복합 배터리 충전 제어 방법
KR200326739Y1 (ko) * 2003-06-05 2003-09-19 금비전자(주) 휴대폰 배터리 충전기능을 갖는 유에스비 데이터 케이블
KR20090021518A (ko) * 2007-08-27 2009-03-04 삼성전자주식회사 멀티 충전 장치 및 방법
KR20120001280A (ko) * 2010-06-29 2012-01-04 삼성전자주식회사 휴대용 충전 장치 및 그의 충전 방법 및 충전 시스템

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Publication number Publication date
KR20130098515A (ko) 2013-09-05
KR101389740B1 (ko) 2014-04-28

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