WO2016149999A1 - Alimentation électrique mobile - Google Patents

Alimentation électrique mobile Download PDF

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Publication number
WO2016149999A1
WO2016149999A1 PCT/CN2015/078974 CN2015078974W WO2016149999A1 WO 2016149999 A1 WO2016149999 A1 WO 2016149999A1 CN 2015078974 W CN2015078974 W CN 2015078974W WO 2016149999 A1 WO2016149999 A1 WO 2016149999A1
Authority
WO
WIPO (PCT)
Prior art keywords
interface
circuit
mobile power
power supply
control circuit
Prior art date
Application number
PCT/CN2015/078974
Other languages
English (en)
Chinese (zh)
Inventor
温美婵
周永力
刘胥和
Original Assignee
深圳市华宝新能源有限公司
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 深圳市华宝新能源有限公司 filed Critical 深圳市华宝新能源有限公司
Publication of WO2016149999A1 publication Critical patent/WO2016149999A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04—Regulation of charging current or voltage

Definitions

  • the present invention relates to the field of power supply technologies, and in particular, to a mobile power supply.
  • USB Universal Serial Bus
  • USB3.0 connector to charge itself.
  • the common mobile power input ports are Micro-USB connectors. Since the Micro-USB's charging current supports up to 5V and 1.8A, it can only provide a lower charging voltage and a smaller charging current. Therefore, the power supplied by the USB2.0 and USB3.0 connectors will charge the mobile power source relatively slowly, resulting in a longer charging time of the mobile power source.
  • a mobile power source includes a housing and a rechargeable battery, the rechargeable battery is disposed in the housing and fixed by the housing, and further includes a printed circuit board disposed inside the housing and disposed on the housing a first interface of the sidewall; the printed circuit board is electrically connected to the rechargeable battery, and the first interface is electrically connected; the first interface is used for connecting with a power adapter; and the first interface is USB A C-type interface; the first interface is provided with at least four power pin terminals.
  • the method further includes a second interface disposed on the sidewall of the housing, the second interface for connecting to an electronic device to be charged; the second interface being electrically connected to the printed circuit board connection.
  • the second interface includes at least one USB Type C interface.
  • the second interface is one and the second interface is a USB A-type interface.
  • the second interface is two or more, and the second interface includes at least one USB Type A interface.
  • the printed circuit board is provided with a processing circuit; the processing circuit includes a charging circuit, a discharging circuit, a protection circuit, and a control circuit; the charging circuit and the control circuit and the protection circuit respectively And the first interface is electrically connected; the discharge circuit is electrically connected to the control circuit, the protection circuit and the second interface respectively; and the protection circuit is further electrically connected to the rechargeable battery.
  • the rechargeable battery is a battery pack formed by a plurality of battery cells connected in parallel; the charging circuit is a step-down circuit; and the discharging circuit is a boosting circuit.
  • the rechargeable battery is a lithium battery.
  • control circuit is further electrically connected to the first interface; the control circuit is configured to detect whether the power adapter is connected to the first interface, and detecting the power source Receiving, after the adapter is connected to the first interface, communicating with the power adapter to determine a type of the power adapter according to a preset communication protocol; the control circuit is further configured to control the power adapter according to a type of the power adapter A suitable voltage is output and the voltage is stepped down by the charging circuit to charge the rechargeable battery.
  • control circuit is further electrically connected to the second interface; the control circuit is further configured to detect whether an electronic device to be charged is connected to the second interface, and After the electronic device to be charged accesses the second interface, communicates with the electronic device to be charged to determine the type of the electronic device and its power state; the control circuit is further configured to use the type of the electronic device and The state of charge controls the discharge circuit to boost the battery voltage and output a suitable voltage to the electronic device to be charged.
  • the protection circuit is configured to overvoltage, overcurrent, overcharge, overdischarge, and overtemperature protection of the rechargeable battery.
  • the mobile power source further includes a display screen and an illumination lamp
  • the processing circuit further includes: a display circuit electrically connected to the control circuit and the display screen; the display circuit is configured to The display screen drives the display screen to display the power of the mobile power source and the battery state under the control of the control circuit; the lighting circuit is electrically connected to the control circuit and the illumination lamp; and the illumination circuit is further used for The illumination lamp is driven to provide an illumination function under the control of the control circuit.
  • the mobile power source further includes a control button connected to the control circuit for the user to perform corresponding operations on the display function and the illumination function of the mobile power source.
  • the display screen is an LED display or an LCD display.
  • the illuminating light is an LED light.
  • the first interface is further configured to supply power to the electronic device to be charged after being connected to the electronic device to be charged.
  • the mobile power source further includes the power adapter; the mobile power source is provided with a receiving cavity for accommodating the power adapter; the power adapter includes an input interface and an output interface; Connected to a power supply; the output interface is USB
  • the C-type interface is configured to be electrically connected to the first interface.
  • the first interface is a USB C-type interface female; the output interface of the power adapter is a USB Type C interface male seat.
  • the housing includes a first housing and a second housing, the first housing and the second housing being cooperatively mounted and forming a receiving space for receiving and fixing the rechargeable battery The first interface and the printed circuit board.
  • the above mobile power supply uses a USB C-type interface to charge the mobile power source
  • USB The C-type interface is provided with at least 4 power pin terminals, which can provide a large output current, so it can provide a large current power for the mobile power source to achieve fast charging of the mobile power source.
  • FIG. 1 is a structural exploded view of a mobile power supply in an embodiment
  • FIG. 2 is a circuit block diagram of a mobile power supply in the embodiment shown in FIG. 1.
  • FIG. 1 is a structural exploded view of a mobile power supply in an embodiment
  • FIG. 2 is a circuit block diagram of a mobile power supply in the embodiment shown in FIG. 1.
  • the mobile power supply in this embodiment will be described in detail below with reference to FIG. 1 and FIG.
  • a mobile power source includes a housing, a rechargeable battery 120, a first interface 130, a second interface 140, and a printed circuit board 150.
  • the housing includes a first housing 105 and a second housing 110.
  • the first housing 105 and the second housing 110 are cooperatively mounted and form a receiving space for receiving and fixing the rechargeable battery 120, the first interface 130, the second interface 140, and the printed circuit board 150.
  • the first interface 130 and the second interface 140 are disposed on a sidewall of the housing.
  • the first interface 130 and the second interface 140 may be disposed on the same side of the housing or on different sides of the housing. In this embodiment, the first interface 130 and the second interface 140 are disposed on the same side.
  • the rechargeable battery 120 is used to store electrical energy to output electrical energy when power is required.
  • the rechargeable battery 120 employs a battery pack in which a plurality of lithium battery cells are connected in parallel. Since the standard voltage of the battery cell is about 3.7V, the voltage of the rechargeable battery 120 is also about 3.7V. Therefore, in the process of charging the mobile power source, the rechargeable battery 120 can be charged only after a single step-down process on the input voltage; in the process of discharging the mobile power source, only a single liter of the voltage of the rechargeable battery 120 is required. After the pressure processing, the external electronic device can be powered. This single topology simplifies the structure of the mobile power supply and reduces its weight by reducing the number of external components and reducing control.
  • a battery pack formed by connecting two or more battery cells in series may have a battery pack voltage higher or lower than a voltage output by the adapter or a charging voltage required by the electronic device during charging and discharging, so that both charging and discharging processes are involved.
  • the control process is difficult, and the number of peripheral components is increased, thereby increasing the cost, size and weight of the mobile power supply.
  • the mobile power source of the present invention can solve this problem well.
  • the first interface 130 is coupled to the printed circuit board 150 for connection to a power adapter via a data line.
  • the first interface 130 adopts USB C-Type interface.
  • the first interface 130 is a USB.
  • the C-Type interface is an interface socket with at least 24 pin terminals and at least 4 power pin terminals (generally the upper 4th and 9th pin terminals and the lower 4th) , the 9th pin terminal). Therefore, it can overcome the problem that the number of power pin terminals in the conventional USB interface (USB1.0, USB2.0, and USB3.0) is insufficient to provide only a small output/input current, resulting in slow charging of the mobile power source.
  • the first interface 130 can provide a large current power for the mobile power source to achieve fast charging of the mobile power source.
  • the power adapter needs to have USB
  • the C-type interface is matched to the USB-type interface bus and supports the fast charging protocol just like the mobile power supply.
  • the second interface 140 is electrically connected to the printed circuit board 150 for connecting to the electronic device to be charged through the data line.
  • the second interface 140 may be provided in plurality to facilitate charging a plurality of electronic devices at the same time.
  • the second interface 140 adopts USB.
  • A-Type interface and only set to one.
  • the second interface 140 is provided in plurality, wherein at least one USB is set.
  • the C-Type interface enables fast charging of electronic devices.
  • the printed circuit board 150 is also connected to the rechargeable battery 120.
  • a processing circuit 160 is disposed on the printed circuit board 150. Processing circuit 160 is used to manage and control the mobile power source.
  • the processing circuit 160 includes a control circuit 162, a charging circuit 164, a discharging circuit 166, and a protection circuit 168.
  • the control circuit 162 is electrically connected to the charging circuit 164, the discharging circuit 166, and the protection circuit 168, respectively.
  • the protection circuit 168 is electrically connected to the charging circuit 164, the discharging circuit 166, and the rechargeable battery 120, respectively.
  • the rechargeable battery 120 is formed by connecting a plurality of battery cells in parallel, the voltage thereof is only about 3.7V, so the charging circuit 164 is in a single step-down mode, and the discharging circuit 166 is in a single boost mode, thereby being able to reduce
  • the number of peripheral components reduces control difficulty, simplifies the structure of the mobile power supply and reduces its weight.
  • control circuit 162 is also electrically connected to the first interface 130 and the second interface 140, respectively.
  • the control circuit 162 is configured to detect whether the power adapter is plugged into the first interface 130.
  • the control circuit 162 performs data communication with the power adapter after detecting that the power adapter is connected to the first interface 130, thereby determining the type of the power adapter according to a preset communication protocol. Different power adapters and control circuits 162 will use different communication protocols, so the type of power adapter can be confirmed according to the communication protocol used in the data communication process.
  • the control circuit 162 controls the output voltage of the power adapter according to the communication data, so that the power adapter can output a suitable voltage, and the mobile power source can input at an optimal power, thereby reducing the mobile power source itself.
  • the charging time increases the charging efficiency and achieves the purpose of fast charging.
  • the output voltage of the power adapter may be 5V, 12V, 20V, or the like.
  • the charging circuit 164 performs a step-down process on the voltage output from the power adapter, and then charges the rechargeable battery 120 under the protection of the protection circuit 168.
  • the control circuit 162 monitors and analyzes the data such as the capacity of the rechargeable battery 120, thereby charging the rechargeable battery 120 by means of precharge, constant current charging, or constant voltage charging according to the state of the rechargeable battery 120. In order to ensure the charging efficiency and life of the rechargeable battery 120. At the same time, the control circuit 162 also monitors the current of the rechargeable battery 120 and the voltage of each of the cells, and calculates the capacity of the rechargeable battery 120. When the rechargeable battery 120 is full, the control charging circuit 164 stops charging, and the rechargeable battery 120 is protected from overcharging.
  • the control circuit 162 is further configured to detect whether the electronic device to be charged is connected to the second interface 140.
  • the control circuit 162 performs data communication with the electronic device after detecting that the electronic device is connected to the second interface 140, thereby determining the type of the electronic device and its power state. Different electronic devices and control circuits 162 will adopt different communication protocols, so the type of electronic devices can be confirmed according to the communication protocol used in the data communication process.
  • the control circuit 162 can acquire the state of charge of the electronic device.
  • the control circuit 162 controls the discharge circuit 166 to boost the voltage of the rechargeable battery 120 according to the type of the electronic device and the state of charge, and outputs an appropriate voltage to the electronic device to charge the electronic device.
  • the control circuit 162 also monitors the current of the rechargeable battery 120 during discharge and the voltage of each cell, and calculates the remaining capacity of the rechargeable battery 120. When the capacity is insufficient, the control circuit 162 controls the discharge circuit 166 to stop discharging, and protects the rechargeable battery 120 from excessive discharge, thereby affecting the life of the rechargeable battery 120.
  • control circuit 162 can perform charge and discharge control by means of DA conversion, I2C, SPI, and PWM or pulse control.
  • the protection circuit 168 is used to protect the rechargeable battery 120 from overvoltage, overcurrent, overcharge, overdischarge, and overtemperature to ensure the service life of the rechargeable battery 120.
  • the above mobile power supply uses a USB C-type interface to charge the mobile power source
  • USB The C-type interface is provided with at least 4 power pin terminals, which can provide a large output current, so it can provide a large current power for the mobile power source to achieve fast charging of the mobile power source.
  • the control circuit 162 can adjust the charging voltage and the discharging voltage to enable the mobile power source to input and output with optimal power, thereby reducing the charging time of the mobile power source or the charging time of the external electronic device, and improving the charging or discharging efficiency of the mobile power source.
  • the mobile power source further includes a display screen and an illumination lamp
  • the processing circuit further includes a display circuit and a lighting circuit. among them.
  • the display circuit is respectively connected to the control circuit and the display screen, and is configured to drive the display screen to display the power quantity and the charge and discharge state of the rechargeable battery under the control of the control circuit.
  • the display can be an LED or LCD display.
  • the lighting circuit is respectively connected with the control circuit and the illumination lamp for driving the illumination lamp to provide illumination function under the control of the control circuit.
  • the illumination lamp is an LED lamp.
  • the mobile power source also includes a control button for the user to perform corresponding operations on the display of the mobile power source and the lighting function.
  • the mobile power source includes a housing, a rechargeable battery, a first interface, and a printed circuit board.
  • the first interface is used for connecting to the power adapter, and is also used for connecting with the electronic device to be charged, that is, the input interface and the output interface of the mobile power source are all USB
  • the first interface of the C type has a simple structure.
  • the first interface is only set to one.
  • the first interface may also be set to at least two.
  • the charging circuit and the discharging circuit in the processing circuit on the printed circuit board are both connected to the first interface. Therefore, the control circuit in the processing circuit needs to judge the device connected in the first interface to determine whether it is a power adapter or an electronic device to be charged, so as to control the charging and discharging process of the rechargeable battery according to the access device.
  • the mobile power source further includes a power adapter.
  • the mobile power supply is provided with a receiving cavity for accommodating the power adapter.
  • the power adapter includes an input interface for connecting to a power supply, and an output interface for matching the first interface of the mobile power source.
  • a type C interface that can be electrically connected to the first interface.

Landscapes

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

Abstract

La présente invention concerne une alimentation électrique mobile, comprenant une coque et une batterie rechargeable, la batterie rechargeable étant agencée dans la coque et fixée à travers la coque ; et comprenant également une carte de circuits imprimés agencée dans la coque et une première interface agencée sur une paroi latérale de la coque ; la carte de circuits imprimés est connectée séparément et électriquement à la batterie rechargeable et à la première interface ; la première interface est conçue pour connecter un adaptateur d'alimentation ; la première interface consiste en une interface USB de type C ; et la première interface est pourvue d'au moins quatre bornes à broches d'alimentation électrique. L'alimentation électrique mobile permet d'effectuer une charge rapide.
PCT/CN2015/078974 2015-03-25 2015-05-14 Alimentation électrique mobile WO2016149999A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510133398.0A CN104779667B (zh) 2015-03-25 2015-03-25 移动电源
CN201510133398.0 2015-03-25

Publications (1)

Publication Number Publication Date
WO2016149999A1 true WO2016149999A1 (fr) 2016-09-29

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ID=53620965

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Application Number Title Priority Date Filing Date
PCT/CN2015/078974 WO2016149999A1 (fr) 2015-03-25 2015-05-14 Alimentation électrique mobile

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CN (1) CN104779667B (fr)
WO (1) WO2016149999A1 (fr)

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CN109412222A (zh) * 2018-03-07 2019-03-01 深圳造物部落科技有限公司 具有调压结构的充电装置
US11056896B2 (en) 2016-10-12 2021-07-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Terminal and device
US11171499B2 (en) 2017-04-13 2021-11-09 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Device to be charged with multiple charging channels, charging method, and charging control circuit with multiple charging channels

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CN105515123A (zh) * 2016-02-01 2016-04-20 珠海格力电器股份有限公司 移动终端快速充电装置和系统
CN105629709B (zh) * 2016-03-18 2019-04-09 广东小天才科技有限公司 一种智能手表
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CN106211554A (zh) * 2016-07-28 2016-12-07 广东欧珀移动通信有限公司 Pcb板组件及具有其的移动终端
CN112947191B (zh) * 2021-02-08 2024-07-23 联想(北京)有限公司 一种信息处理方法、信息处理装置、电子设备和存储介质

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US11056896B2 (en) 2016-10-12 2021-07-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Terminal and device
US11171499B2 (en) 2017-04-13 2021-11-09 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Device to be charged with multiple charging channels, charging method, and charging control circuit with multiple charging channels
US11631985B2 (en) 2017-04-13 2023-04-18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Device to be charged with multiple charging channels, charging method, and charging control circuit with multiple charging channels
CN109412222A (zh) * 2018-03-07 2019-03-01 深圳造物部落科技有限公司 具有调压结构的充电装置

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