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WO2015113465A1 - 终端、电源适配器和充电异常的处理方法 - Google Patents

终端、电源适配器和充电异常的处理方法 Download PDF

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Publication number
WO2015113465A1
WO2015113465A1 PCT/CN2015/070468 CN2015070468W WO2015113465A1 WO 2015113465 A1 WO2015113465 A1 WO 2015113465A1 CN 2015070468 W CN2015070468 W CN 2015070468W WO 2015113465 A1 WO2015113465 A1 WO 2015113465A1
Authority
WO
WIPO (PCT)
Prior art keywords
charging
terminal
power adapter
parameter information
charging circuit
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2015/070468
Other languages
English (en)
French (fr)
Inventor
张加亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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
Priority claimed from CN201410043139.4A external-priority patent/CN103795040B/zh
Priority claimed from CN201410043218.5A external-priority patent/CN103762691B/zh
Priority claimed from CN201410042541.0A external-priority patent/CN103779907B/zh
Priority to BR112016017458-5A priority Critical patent/BR112016017458B1/pt
Priority to JP2016549265A priority patent/JP6275856B2/ja
Priority to CN201810220714.1A priority patent/CN108448667B/zh
Priority to AU2015210567A priority patent/AU2015210567B2/en
Priority to KR1020167023544A priority patent/KR20160136299A/ko
Priority to PH1/2016/501486A priority patent/PH12016501486B1/en
Priority to CA2937953A priority patent/CA2937953C/en
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to KR1020197027731A priority patent/KR102070034B1/ko
Priority to EP15744077.7A priority patent/EP3101763B1/en
Priority to CN201580005214.0A priority patent/CN106165236B/zh
Priority to SG11201606219XA priority patent/SG11201606219XA/en
Priority to MX2016009854A priority patent/MX377499B/es
Priority to US15/115,013 priority patent/US11342765B2/en
Publication of WO2015113465A1 publication Critical patent/WO2015113465A1/zh
Anticipated expiration legal-status Critical
Priority to US17/701,336 priority patent/US20220216706A1/en
Ceased legal-status Critical Current

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Classifications

    • H02J7/663—
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • 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
    • H02J7/44—
    • H02J7/485—
    • H02J7/62—
    • H02J7/64—
    • H02J7/875—
    • H02J7/90—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0262—Details of the structure or mounting of specific components for a battery compartment
    • H02J7/42—
    • H02J7/61—
    • H02J7/65—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/34—Microprocessors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • Embodiments of the present invention relate to the field of charging, and more particularly, to a method of processing a terminal, a power adapter, and a charging abnormality.
  • the prior art can achieve the purpose of rapidly charging the battery by increasing the charging current.
  • the charging circuit is abnormal, for example, the output voltage overvoltage of the power adapter and/or the output current is overcurrent, Damage the battery of the terminal.
  • the prior art cannot detect and process the abnormality of the charging circuit, and the safety of the charging process is low.
  • Embodiments of the present invention provide a terminal, a power adapter, and a charging abnormality processing method to improve the security of a charging process.
  • a terminal including a battery and a charging interface, wherein the terminal forms a charging circuit with the power adapter through the charging interface to charge the battery, and the terminal further includes a communication unit, an abnormality detecting unit, and an abnormality processing.
  • the communication unit receives charging parameter information from the power adapter; the abnormality detecting unit determines whether an abnormality occurs in the charging circuit according to the charging parameter information; when an abnormality occurs in the charging circuit, the abnormality
  • the processing unit controls the charging circuit to enter a protection state.
  • the communication unit when the charging circuit is abnormal, is further configured to send charging protection indication information to the power adapter, indicating the power adapter control station The charging circuit enters a protection state.
  • the charging interface includes a power line and a data line
  • the terminal forms a charging with the power adapter through the charging interface a circuit for charging the battery, specifically comprising: the terminal forming a charging circuit with the power adapter through a power line in the charging interface to charge the battery;
  • the receiving, by the communication unit, the charging parameter information from the power adapter specifically includes: the communication unit receiving the charging parameter information from the power adapter through a data line in the charging interface.
  • the abnormal processing unit controls the charging circuit to enter a protection state, specifically, the abnormal processing unit reduces the An input voltage of the power adapter; the abnormality processing unit reduces an input current of the power adapter; or the abnormality processing unit turns off the charging circuit.
  • the abnormality of the charging circuit includes an output voltage overvoltage of the power adapter, and/or the power adapter The output current is overcurrent.
  • the charging parameter information includes an output voltage of the power adapter
  • the abnormality detecting unit is configured according to the charging parameter Determining whether the charging loop is abnormal, the method comprising: comparing the output voltage with a voltage threshold, determining an output voltage overvoltage of the power adapter when the output voltage is greater than the voltage threshold, the charging circuit An exception occurs.
  • the charging parameter information includes an output current of the power adapter, and the abnormality detecting unit is configured according to the charging parameter
  • the information determining whether the charging circuit is abnormal includes: comparing the output current with a current threshold, determining that the output current is over-current when the output current is greater than the current threshold, and the charging circuit is abnormal.
  • a power adapter including a power conversion unit and a charging interface, wherein the power conversion unit forms a charging circuit with the terminal to charge a battery of the terminal, and the power adapter further includes a communication unit And an exception processing unit, wherein the communication unit receives charging protection indication information from the terminal; the abnormality processing unit controls the charging circuit to enter a protection state according to the indication of the charging protection indication information.
  • the power adapter is connected to the terminal through a charging interface
  • the charging interface includes a power line for charging, and a data line
  • the communication unit is The receiving, by the terminal, the charging protection indication information, specifically: the communication unit receives the charging protection indication information from the terminal by using a data line in the charging interface.
  • the communication unit is further configured to send charging parameter information to the terminal, where the charging parameter information is used by The terminal determines whether the charging circuit is abnormal.
  • the charging parameter information includes an output voltage of the power adapter and/or an output current of the power adapter.
  • a method for processing a charging abnormality includes: receiving, by a terminal, charging parameter information from a power adapter; and determining, by the terminal, whether a charging circuit between the terminal and the power adapter is abnormal according to the charging parameter information When the charging circuit is abnormal, the terminal controls the charging circuit to enter a protection state.
  • the method further includes: when an abnormality occurs in the charging circuit, the terminal sends charging protection indication information to the power adapter, indicating the power adapter Controlling the charging circuit to enter a protection state.
  • the terminal in another implementation manner of the third aspect, includes a charging interface, where the charging interface includes a data line and a power line for charging, Receiving the charging parameter information from the power adapter, the terminal includes: the terminal receiving the charging parameter information from the power adapter through a data line in the charging interface.
  • the terminal controls the charging circuit to enter a protection state, including: the terminal reduces an input of the power adapter a voltage; the terminal reduces an input current of the power adapter; or the terminal disconnects the charging circuit.
  • the abnormality of the charging circuit includes an output voltage overvoltage of the power adapter, and/or the power adapter The output current is overcurrent.
  • the charging parameter information includes an output voltage of the power adapter
  • the terminal determines, according to the charging parameter information, Whether the charging loop between the terminal and the power adapter is abnormal, the terminal includes: comparing, by the terminal, the output voltage and a voltage threshold; when the output voltage is greater than the voltage threshold, the terminal determines the The output voltage is overvoltage and the charging circuit is abnormal.
  • the charging parameter information includes an output current of the power adapter
  • the terminal determines, according to the charging parameter information, Whether the charging loop between the terminal and the power adapter is abnormal, the terminal includes comparing the output current and a current threshold, and when the output current overcurrent is greater than the current threshold, the terminal determines The output current is over-current, and the charging circuit is different often.
  • a method for processing an abnormality of charging includes: receiving, by a power adapter, charging protection indication information from a terminal; and controlling, by the power adapter, an indication between the power adapter and the terminal according to the indication of the charging protection indication information The charging circuit enters the protection state.
  • the power adapter is connected to the terminal through a charging interface, the charging interface includes a power line for charging, and a data line, the power adapter is Receiving the charging protection indication information by the terminal, the power adapter receiving the charging protection indication information from the terminal by using a data line in the charging interface.
  • the method further includes: the power adapter sends charging parameter information to the terminal, the charging parameter information Used by the terminal to determine whether the charging circuit is abnormal.
  • the charging parameter information includes an output voltage of the power adapter and/or an output current of the power adapter.
  • the terminal receives the charging parameter information from the power adapter, and determines whether the charging circuit is abnormal based on the charging parameter information.
  • the terminal controls the charging circuit to enter the protection state, thereby improving the safety of the charging process. Sex.
  • FIG. 1 is a schematic block diagram of a terminal according to an embodiment of the present invention.
  • FIG. 2 is a schematic block diagram of a power adapter of an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a method for processing a charging abnormality according to an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of a method for processing a charging abnormality according to an embodiment of the present invention.
  • FIG. 1 is a schematic block diagram of a terminal according to an embodiment of the present invention.
  • the terminal 10 of FIG. 1 includes a battery 11 and a charging interface 12, and the terminal 10 forms a charging circuit with the power adapter through the charging interface 12 to charge the battery 11.
  • the terminal 10 further includes a communication unit 13, an abnormality detecting unit 14 and an abnormality processing unit 15, wherein
  • the communication unit 13 receives the charging parameter information from the power adapter; the abnormality detecting unit 14 determines whether the charging circuit is abnormal according to the charging parameter information; when an abnormality occurs in the charging circuit, the abnormality processing unit 15 controls the charging circuit to enter the protection state.
  • the terminal receives the charging parameter information from the power adapter, and determines whether the charging circuit is abnormal based on the charging parameter information.
  • the terminal controls the charging circuit to enter the protection state, thereby improving the safety of the charging process. Sex.
  • the communication unit 13 is further configured to send charging protection indication information to the power adapter, instructing the power adapter to control the charging circuit to enter a protection state.
  • the terminal when an abnormality occurs in the charging circuit, the terminal not only actively controls the charging circuit to enter the protection state, but also notifies the power adapter to control the charging circuit to enter the protection state, so that the charging circuit cannot be controlled even if the abnormal processing unit of the terminal fails.
  • the power adapter can still control the charging circuit to enter the protection state, further improving the safety of the charging process.
  • the charging interface includes a power line and a data line
  • the terminal 10 forms a charging circuit with the power adapter through the charging interface 12 to charge the battery, and specifically includes: the terminal 10 passes the power line and the power adapter in the charging interface.
  • the charging circuit is formed to charge the battery; the communication unit 13 receives the charging parameter information from the power adapter, and specifically includes: the communication unit 13 receives the charging parameter information from the power adapter through the data line in the charging interface.
  • the charging interface is a USB (Universal Serial Bus) interface or a micro USB interface
  • the power cable is a power cable in the USB interface, such as a +5V and -5V power cable
  • the data cable is in the USB interface.
  • Data lines such as D+ lines and D- lines.
  • the charging parameter information includes an output voltage of the power adapter
  • the abnormality detecting unit 14 determines whether the charging circuit is abnormal according to the charging parameter information, and specifically includes: comparing the output voltage with a voltage threshold, when the output voltage is When the voltage threshold is greater than the voltage threshold, the output voltage of the power adapter is overvoltage and the charging circuit is abnormal.
  • the above voltage threshold may be set according to the specific model of the terminal 10 and the power adapter, or may be based on experience.
  • the charging parameter information includes an output current of the power adapter
  • the abnormality detecting unit 14 determines whether the charging circuit is abnormal according to the charging parameter information, specifically: comparing the output current with a current threshold, when the output current is When it is greater than the current threshold, it is determined that the output current is overcurrent, and an abnormality occurs in the charging circuit.
  • the above current threshold may be set according to the specific model of the terminal 10 and the power adapter, or may be based on experience.
  • the terminal of the embodiment of the present invention is described in detail above with reference to FIG. 1, and the power adapter of the embodiment of the present invention is described in detail below with reference to FIG. It should be understood that the interaction between the terminal and the power adapter described on the terminal side and related characteristics, functions, and the like correspond to the description of the power adapter side, and the repeated description is omitted as appropriate for brevity.
  • the power adapter 20 of FIG. 2 includes a power conversion unit 21 and a charging interface 22, and the power conversion unit 21 forms a charging circuit with the terminal through the charging interface 22 to charge the battery of the terminal.
  • the power adapter 20 further includes a communication unit 23 and an exception processing unit 24, The communication unit 23 receives the charging protection indication information from the terminal; the abnormality processing unit 24 controls the charging circuit to enter the protection state according to the indication of the charging protection indication information.
  • the communication unit of the power adapter when an abnormality occurs in the charging circuit, the communication unit of the power adapter receives the charging protection indication information from the terminal, and controls the charging circuit to enter the protection state according to the indication of the charging protection indication information, thereby improving the security of the charging process.
  • the power adapter 20 is connected to the terminal through the charging interface 22.
  • the charging interface 22 includes a power line for charging, and a data line.
  • the communication unit 23 receives the charging protection indication information from the terminal, and specifically includes: Unit 23 receives charging protection indication information from the terminal via a data line in charging interface 22.
  • the charging interface is a USB (Universal Serial Bus) interface or a micro USB interface
  • the above power cable is a power cable in the USB interface, such as a +5V and -5V power cable
  • the above data lines are data lines in the USB interface, such as D+ lines and D- lines.
  • the communication unit 23 is further configured to send charging parameter information to the terminal, where the charging parameter information is used by the terminal to determine whether the charging circuit is abnormal.
  • the charging parameter information includes an output voltage of the power adapter 20 and/or an output current of the power adapter 20.
  • the terminal and the power adapter according to the embodiment of the present invention are described in detail above with reference to FIG. 1 and FIG. 2 .
  • the processing method of the charging abnormality according to the embodiment of the present invention will be described in detail with reference to FIG. 3 and FIG. 4 .
  • the processing method of the charging abnormality can be performed by the terminal in FIG. 1, and the processing method of the charging abnormality in FIG. 4 can be performed by the power adapter in FIG. 2, and redundant description is appropriately omitted to avoid repetition.
  • FIG. 3 is a schematic flowchart of a method for processing a charging abnormality according to an embodiment of the present invention.
  • the method of Figure 3 includes:
  • the terminal receives charging parameter information from a power adapter.
  • the terminal determines, according to the charging parameter information, whether an abnormality occurs in a charging circuit between the terminal and the power adapter.
  • the terminal controls the charging circuit to enter a protection state.
  • the terminal receives the charging parameter information from the power adapter, and determines whether the charging circuit is abnormal based on the charging parameter information.
  • the terminal controls the charging circuit to enter the protection state, thereby improving the safety of the charging process. Sex.
  • the method of FIG. 3 further includes: when an abnormality occurs in the charging circuit, the terminal sends a charging protection indication message to the power adapter, instructing the power adapter to control the charging circuit to enter a protection state.
  • the terminal includes a charging interface, where the charging interface includes a data line and a power line for charging, and the terminal receives charging parameter information from the power adapter, including: the terminal receives the power adapter from the power adapter through the data line in the charging interface. Charging parameter information.
  • the terminal controls the charging circuit to enter a protection state, including: the terminal reduces the input voltage of the power adapter; the terminal reduces the input current of the power adapter; or the terminal disconnects the charging circuit.
  • the abnormality of the charging circuit includes at least one of the following: an output voltage overvoltage of the power adapter, and/or an output current overcurrent of the power adapter.
  • the charging parameter information includes an output voltage of the power adapter
  • the terminal determines whether an abnormality occurs in the charging circuit between the terminal and the power adapter according to the charging parameter information, including: the terminal compares the output voltage with the voltage threshold; when the output voltage is greater than the voltage threshold, the terminal determines the output voltage overvoltage, and the charging circuit is abnormal.
  • the charging parameter information includes an output current of the power adapter
  • the terminal determines, according to the charging parameter information, whether the charging circuit between the terminal and the power adapter is abnormal, including: the terminal compares the output current and the current threshold. When the output current overcurrent is greater than the current threshold, the terminal determines that the output current is overcurrent and the charging loop is abnormal.
  • FIG. 4 is a schematic flowchart of a method for processing a charging abnormality according to an embodiment of the present invention.
  • the method of Figure 4 includes:
  • the power adapter receives charging protection indication information from the terminal.
  • the power adapter controls the charging circuit between the power adapter and the terminal to enter a protection state according to the indication of the charging protection indication information.
  • the communication unit of the power adapter when an abnormality occurs in the charging circuit, the communication unit of the power adapter receives the charging protection indication information from the terminal, and controls the charging circuit to enter the protection state according to the indication of the charging protection indication information, thereby improving the security of the charging process.
  • the power adapter is connected to the terminal through a charging interface
  • the charging interface includes a power line for charging, and a data line
  • the power adapter receives charging protection indication information from the terminal, including: the power adapter passes through the charging interface.
  • the data line receives charging protection indication information from the terminal.
  • the method of FIG. 4 further includes: the power adapter sends charging parameter information to the terminal, where the charging parameter information is used by the terminal to determine whether the charging circuit is abnormal.
  • the charging parameter information includes an output voltage of the power adapter and/or an output current of the power adapter.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
  • Protection Of Static Devices (AREA)

Abstract

一种终端、电源适配器和充电异常的处理方法，该终端（10）包括电池（11）和充电接口（12），终端（10）通过充电接口（12）与电源适配器（20）形成充电回路，为电池（11）充电，终端（10）还包括通信单元（13），异常检测单元（14）和异常处理单元（15），其中：通信单元（13）从电源适配器（20）接收充电参数信息；异常检测单元（14）根据充电参数信息确定充电回路是否发生异常；当充电回路发生异常时，异常处理单元（15）控制充电回路进入保护状态。由于终端从电源适配器接收充电参数信息，并基于充电参数信息确定充电回路是否发生异常，当充电回路发生异常时，控制充电回路进入保护状态，从而提高了充电过程的安全性。

Description

终端、电源适配器和充电异常的处理方法 技术领域
本发明实施例涉及充电领域，并且更具体地，涉及终端、电源适配器和充电异常的处理方法。
背景技术
目前，多数电子设备中的电池是通过电子设备的充电接口与外部的电源适配器连接以实现充电的。在电池充电过程中，为了缩短充电时间，现有技术可通过增大充电电流以达到对电池进行快速充电的目的。但是，无论是采用常规的恒压输出方式或是采用增大充电电流的方式对电池进行充电，如果充电回路出现异常，例如，电源适配器的输出电压过压和/或输出电流过流，则会损坏终端的电池。现有技术无法对充电回路的异常进行检测和处理，充电过程的安全性较低。
发明内容
本发明实施例提供一种终端、电源适配器和充电异常的处理方法，以提高充电过程的安全性。
第一方面，提供一种终端，包括电池和充电接口，所述终端通过所述充电接口与电源适配器形成充电回路，为所述电池充电，所述终端还包括通信单元，异常检测单元和异常处理单元，其中，所述通信单元从所述电源适配器接收充电参数信息；所述异常检测单元根据所述充电参数信息确定所述充电回路是否发生异常；当所述充电回路发生异常时，所述异常处理单元控制所述充电回路进入保护状态。
结合第一方面，在第一方面的一种实现方式中，当所述充电回路发生异常时，所述通信单元还用于向所述电源适配器发送充电保护指示信息，指示所述电源适配器控制所述充电回路进入保护状态。
结合第一方面或其上述实现方式的任一种，在第一方面的另一种实现方式中，所述充电接口包括电源线和数据线，所述终端通过所述充电接口与电源适配器形成充电回路，为所述电池充电，具体包括：所述终端通过所述充电接口中的电源线与所述电源适配器形成充电回路，为所述电池充电；所述 通信单元从所述电源适配器接收充电参数信息，具体包括：所述通信单元通过所述充电接口中的数据线从所述电源适配器接收所述充电参数信息。
结合第一方面或其上述实现方式的任一种，在第一方面的另一种实现方式中，所述异常处理单元控制所述充电回路进入保护状态，具体包括：所述异常处理单元降低所述电源适配器的输入电压；所述异常处理单元降低所述电源适配器的输入电流；或者，所述异常处理单元断开所述充电回路。
结合第一方面或其上述实现方式的任一种，在第一方面的另一种实现方式中，所述充电回路的异常包括所述电源适配器的输出电压过压，和/或所述电源适配器的输出电流过流。
结合第一方面或其上述实现方式的任一种，在第一方面的另一种实现方式中，所述充电参数信息包括所述电源适配器的输出电压，所述异常检测单元根据所述充电参数信息确定所述充电回路是否发生异常，具体包括：将所述输出电压和电压阈值比较，当所述输出电压大于所述电压阈值时，确定所述电源适配器的输出电压过压，所述充电回路发生异常。
结合第一方面或其上述实现方式的任一种，在第一方面的另一种实现方式中，所述充电参数信息包括所述电源适配器的输出电流，所述异常检测单元根据所述充电参数信息确定所述充电回路是否发生异常，具体包括：将所述输出电流和电流阈值比较，当所述输出电流大于所述电流阈值时，确定所述输出电流过流，所述充电回路发生异常。
第二方面，提供一种电源适配器，包括功率转换单元和充电接口，所述功率转换单元通过所述充电接口与终端形成充电回路，为所述终端的电池充电，所述电源适配器还包括通信单元和异常处理单元，其中，所述通信单元从所述终端接收充电保护指示信息；所述异常处理单元根据所述充电保护指示信息的指示，控制所述充电回路进入保护状态。
结合第二方面，在第二方面的一种实现方式中，所述电源适配器与所述终端通过充电接口相连，所述充电接口包括用于充电的电源线，以及数据线，所述通信单元从所述终端接收充电保护指示信息，具体包括：所述通信单元通过所述充电接口中的数据线从所述终端接收所述充电保护指示信息。
结合第二方面或其上述实现方式的任一种，在第二方面的另一种实现方式中，所述通信单元还用于向所述终端发送充电参数信息，所述充电参数信息用于所述终端确定所述充电回路是否异常。
结合第二方面或其上述实现方式的任一种，在第二方面的另一种实现方式中，所述充电参数信息包括所述电源适配器的输出电压和/或所述电源适配器的输出电流。
第三方面，提供一种充电异常的处理方法，包括：终端从电源适配器接收充电参数信息；所述终端根据所述充电参数信息确定所述终端与所述电源适配器之间的充电回路是否发生异常；当所述充电回路发生异常时，所述终端控制所述充电回路进入保护状态。
结合第三方面，在第三方面的一种实现方式中，所述方法还包括：当所述充电回路发生异常时，所述终端向所述电源适配器发送充电保护指示信息，指示所述电源适配器控制所述充电回路进入保护状态。
结合第三方面或其上述实现方式的任一种，在第三方面的另一种实现方式中，所述终端包括充电接口，所述充电接口包括数据线和用于充电的电源线，所述终端从电源适配器接收充电参数信息，包括：所述终端通过所述充电接口中的数据线从所述电源适配器接收所述充电参数信息。
结合第三方面或其上述实现方式的任一种，在第三方面的另一种实现方式中，所述终端控制所述充电回路进入保护状态，包括：所述终端降低所述电源适配器的输入电压；所述终端降低所述电源适配器的输入电流；或者，所述终端断开所述充电回路。
结合第三方面或其上述实现方式的任一种，在第三方面的另一种实现方式中，所述充电回路的异常包括所述电源适配器的输出电压过压，和/或所述电源适配器的输出电流过流。
结合第三方面或其上述实现方式的任一种，在第三方面的另一种实现方式中，所述充电参数信息包括所述电源适配器的输出电压，所述终端根据所述充电参数信息确定所述终端与所述电源适配器之间的充电回路是否发生异常，包括：所述终端将所述输出电压和电压阈值比较；当所述输出电压大于所述电压阈值时，所述终端确定所述输出电压过压，所述充电回路异常。
结合第三方面或其上述实现方式的任一种，在第三方面的另一种实现方式中，所述充电参数信息包括所述电源适配器的输出电流，所述终端根据所述充电参数信息确定所述终端与所述电源适配器之间的充电回路是否发生异常，包括：所述终端将所述输出电流和电流阈值比较，当所述输出电流过流大于所述电流阈值时，所述终端确定所述输出电流过流，所述充电回路异 常。
第四方面，提供一种充电异常的处理方法，包括：电源适配器从终端接收充电保护指示信息；所述电源适配器根据所述充电保护指示信息的指示，控制所述电源适配器和所述终端之间的充电回路进入保护状态。
结合第四方面，在第四方面的一种实现方式中，所述电源适配器与所述终端通过充电接口相连，所述充电接口包括用于充电的电源线，以及数据线，所述电源适配器从终端接收充电保护指示信息，包括：所述电源适配器通过所述充电接口中的数据线从所述终端接收所述充电保护指示信息。
结合第四方面或其上述实现方式的任一种，在第四方面的另一种实现方式中，所述方法还包括：所述电源适配器向所述终端发送充电参数信息，所述充电参数信息用于所述终端确定所述充电回路是否异常。
结合第四方面或其上述实现方式的任一种，在第四方面的另一种实现方式中，所述充电参数信息包括所述电源适配器的输出电压和/或所述电源适配器的输出电流。
本发明实施例中，终端从电源适配器接收充电参数信息，并基于充电参数信息确定充电回路是否发生异常，当充电回路发生异常时，该终端控制充电回路进入保护状态，从而提高了充电过程的安全性。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例中所需要使用的附图作简单地介绍，显而易见地，下面所描述的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例的终端的示意性框图。
图2是本发明实施例的电源适配器的示意性框图。
图3是本发明实施例的充电异常的处理方法的示意性流程图。
图4是本发明实施例的充电异常的处理方法的示意性流程图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明的一部分实施例，而不 是全部实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都应属于本发明保护的范围。
图1是本发明实施例的终端的示意性框图。图1的终端10包括电池11和充电接口12，终端10通过充电接口12与电源适配器形成充电回路，为电池11充电，终端10还包括通信单元13，异常检测单元14和异常处理单元15，其中，通信单元13从电源适配器接收充电参数信息；异常检测单元14根据充电参数信息确定充电回路是否发生异常；当充电回路发生异常时，异常处理单元15控制充电回路进入保护状态。
本发明实施例中，终端从电源适配器接收充电参数信息，并基于充电参数信息确定充电回路是否发生异常，当充电回路发生异常时，该终端控制充电回路进入保护状态，从而提高了充电过程的安全性。
可选地，作为一个实施例，当充电回路发生异常时，通信单元13还用于向电源适配器发送充电保护指示信息，指示电源适配器控制充电回路进入保护状态。
本发明实施例中，当充电回路发生异常时，终端不但主动控制充电回路进入保护状态，而且通知电源适配器控制充电回路进入保护状态，这样一来，即使终端的异常处理单元失效，无法控制充电回路进入保护状态，仍然可以由电源适配器控制充电回路进入保护状态，进一步提高了充电过程的安全性。
可选地，作为一个实施例，充电接口包括电源线和数据线，终端10通过充电接口12与电源适配器形成充电回路，为电池充电，具体包括：终端10通过充电接口中的电源线与电源适配器形成充电回路，为电池充电；通信单元13从电源适配器接收充电参数信息，具体包括：通信单元13通过充电接口中的数据线从电源适配器接收充电参数信息。
例如，充电接口是USB(Universal Serial Bus，通用串行总线)接口或micro USB接口，上述电源线为USB接口中的电源线，如+5V和-5V电源线；上述数据线为USB接口中的数据线，如D+线和D-线。
应理解，导致充电回路异常的原因可能有多种，例如，电源适配器的输出电压过压，电源适配器的输出电流过流等，不同异常情况的检测和处理方式可能不同。下面结合具体的实施例对各种异常情况的检测和处理方式进行举例说明。
可选地，作为一个实施例，充电参数信息包括电源适配器的输出电压，异常检测单元14根据充电参数信息确定充电回路是否发生异常，具体包括：将该输出电压和电压阈值比较，当该输出电压大于电压阈值时，确定电源适配器的输出电压过压，充电回路发生异常。
应理解，上述电压阈值可以根据终端10和电源适配器的具体型号进行设定，也可以基于经验设定。
可选地，作为一个实施例，充电参数信息包括电源适配器的输出电流，异常检测单元14根据充电参数信息确定充电回路是否发生异常，具体包括：将该输出电流和电流阈值比较，当该输出电流大于电流阈值时，确定该输出电流过流，充电回路发生异常。
应理解，上述电流阈值可以根据终端10和电源适配器的具体型号进行设定，也可以基于经验设定。
上文结合图1，详细描述了本发明实施例的终端，下文结合图2，详细描述本发明实施例的电源适配器。应理解，终端侧描述的终端与电源适配器的交互及相关特性、功能等与电源适配器侧的描述相应，为了简洁，适当省略重复的描述。
图2是本发明实施例的电源适配器的示意性结构图。图2的电源适配器20包括功率转换单元21和充电接口22，功率转换单元21通过充电接口22与终端形成充电回路，为终端的电池充电，电源适配器20还包括通信单元23和异常处理单元24，其中，通信单元23从终端接收充电保护指示信息；异常处理单元24根据充电保护指示信息的指示，控制充电回路进入保护状态。
本发明实施例中，当充电回路发生异常时，电源适配器的通信单元从终端接收充电保护指示信息，并根据该充电保护指示信息的指示控制充电回路进入保护状态，提高了充电过程的安全性。
可选地，作为一个实施例，电源适配器20与终端通过充电接口22相连，充电接口22包括用于充电的电源线，以及数据线，通信单元23从终端接收充电保护指示信息，具体包括：通信单元23通过充电接口22中的数据线从终端接收充电保护指示信息。
例如，充电接口是USB(Universal Serial Bus，通用串行总线)接口或micro USB接口，上述电源线为USB接口中的电源线，如+5V和-5V电源线； 上述数据线为USB接口中的数据线，如D+线和D-线。
可选地，作为一个实施例，通信单元23还用于向终端发送充电参数信息，充电参数信息用于终端确定充电回路是否异常。
可选地，作为一个实施例，充电参数信息包括电源适配器20的输出电压和/或电源适配器20的输出电流。
上文结合图1和图2，详细描述了根据本发明实施例的终端和电源适配器，下文结合图3和图4，详细描述根据本发明实施例的充电异常的处理方法，应理解，图3中的充电异常的处理方法可以由图1中的终端执行，图4中的充电异常的处理方法可以由图2中的电源适配器执行，为避免重复，适当省略重复的描述。
图3是本发明实施例的充电异常的处理方法的示意性流程图。图3的方法包括：
310、终端从电源适配器接收充电参数信息；
320、终端根据充电参数信息确定终端与电源适配器之间的充电回路是否发生异常；
330、当充电回路发生异常时，终端控制充电回路进入保护状态。
本发明实施例中，终端从电源适配器接收充电参数信息，并基于充电参数信息确定充电回路是否发生异常，当充电回路发生异常时，该终端控制充电回路进入保护状态，从而提高了充电过程的安全性。
可选地，作为一个实施例，图3的方法还包括：当充电回路发生异常时，终端向电源适配器发送充电保护指示信息，指示电源适配器控制充电回路进入保护状态。
可选地，作为一个实施例，终端包括充电接口，充电接口包括数据线和用于充电的电源线，终端从电源适配器接收充电参数信息，包括：终端通过充电接口中的数据线从电源适配器接收充电参数信息。
可选地，作为一个实施例，终端控制充电回路进入保护状态，包括：终端降低电源适配器的输入电压；终端降低电源适配器的输入电流；或者，终端断开充电回路。
可选地，作为一个实施例，充电回路的异常包括以下中的至少一项：电源适配器的输出电压过压，和/或电源适配器的输出电流过流。
可选地，作为一个实施例，充电参数信息包括电源适配器的输出电压， 终端根据充电参数信息确定终端与电源适配器之间的充电回路是否发生异常，包括：终端将输出电压和电压阈值比较；当输出电压大于电压阈值时，终端确定输出电压过压，充电回路异常。
可选地，作为一个实施例，充电参数信息包括电源适配器的输出电流，终端根据充电参数信息确定终端与电源适配器之间的充电回路是否发生异常，包括：终端将输出电流和电流阈值比较，当输出电流过流大于电流阈值时，终端确定输出电流过流，充电回路异常。
图4是本发明实施例的充电异常的处理方法的示意性流程图。图4的方法包括：
410、电源适配器从终端接收充电保护指示信息；
420、电源适配器根据充电保护指示信息的指示，控制电源适配器和终端之间的充电回路进入保护状态。
本发明实施例中，当充电回路发生异常时，电源适配器的通信单元从终端接收充电保护指示信息，并根据该充电保护指示信息的指示控制充电回路进入保护状态，提高了充电过程的安全性。
可选地，作为一个实施例，电源适配器与终端通过充电接口相连，充电接口包括用于充电的电源线，以及数据线，电源适配器从终端接收充电保护指示信息，包括：电源适配器通过充电接口中的数据线从终端接收充电保护指示信息。
可选地，作为一个实施例，图4的方法还包括：电源适配器向终端发送充电参数信息，充电参数信息用于终端确定充电回路是否异常。
可选地，作为一个实施例，充电参数信息包括电源适配器的输出电压和/或所述电源适配器的输出电流。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应所述以权利要求的保护范围为准。

Claims (22)

  1. 一种终端，包括电池和充电接口，所述终端通过所述充电接口与电源适配器形成充电回路，为所述电池充电，其特征在于，所述终端还包括通信单元，异常检测单元和异常处理单元，其中，
    所述通信单元从所述电源适配器接收充电参数信息；
    所述异常检测单元根据所述充电参数信息确定所述充电回路是否发生异常；
    当所述充电回路发生异常时，所述异常处理单元控制所述充电回路进入保护状态。
  2. 如权利要求1所述的终端，其特征在于，当所述充电回路发生异常时，所述通信单元还用于向所述电源适配器发送充电保护指示信息，指示所述电源适配器控制所述充电回路进入保护状态。
  3. 如权利要求1或2所述的终端，其特征在于，所述充电接口包括电源线和数据线，
    所述终端通过所述充电接口与电源适配器形成充电回路，为所述电池充电，具体包括：
    所述终端通过所述充电接口中的电源线与所述电源适配器形成充电回路，为所述电池充电；
    所述通信单元从所述电源适配器接收充电参数信息，具体包括：
    所述通信单元通过所述充电接口中的数据线从所述电源适配器接收所述充电参数信息。
  4. 如权利要求1-3中任一项所述的终端，其特征在于，所述异常处理单元控制所述充电回路进入保护状态，具体包括：
    所述异常处理单元降低所述电源适配器的输入电压；
    所述异常处理单元降低所述电源适配器的输入电流；或者，
    所述异常处理单元断开所述充电回路。
  5. 如权利要求1-3中任一项所述的终端，其特征在于，所述充电回路的异常包括所述电源适配器的输出电压过压，和/或所述电源适配器的输出电流过流。
  6. 如权利要求5所述的终端，其特征在于，所述充电参数信息包括所述电源适配器的输出电压，
    所述异常检测单元根据所述充电参数信息确定所述充电回路是否发生异常，具体包括：
    将所述输出电压和电压阈值比较，
    当所述输出电压大于所述电压阈值时，确定所述电源适配器的输出电压过压，所述充电回路发生异常。
  7. 如权利要求5所述的终端，其特征在于，所述充电参数信息包括所述电源适配器的输出电流，
    所述异常检测单元根据所述充电参数信息确定所述充电回路是否发生异常，具体包括：
    将所述输出电流和电流阈值比较，
    当所述输出电流大于所述电流阈值时，确定所述输出电流过流，所述充电回路发生异常。
  8. 一种电源适配器，包括功率转换单元和充电接口，所述功率转换单元通过所述充电接口与终端形成充电回路，为所述终端的电池充电，其特征在于，所述电源适配器还包括通信单元和异常处理单元，其中，
    所述通信单元从所述终端接收充电保护指示信息；
    所述异常处理单元根据所述充电保护指示信息的指示，控制所述充电回路进入保护状态。
  9. 如权利要求8所述的电源适配器，其特征在于，所述电源适配器与所述终端通过充电接口相连，所述充电接口包括用于充电的电源线，以及数据线，
    所述通信单元从所述终端接收充电保护指示信息，具体包括：
    所述通信单元通过所述充电接口中的数据线从所述终端接收所述充电保护指示信息。
  10. 如权利要求8或9所述的电源适配器，其特征在于，所述通信单元还用于向所述终端发送充电参数信息，所述充电参数信息用于所述终端确定所述充电回路是否异常。
  11. 如权利要求10所述的电源适配器，其特征在于，所述充电参数信息包括所述电源适配器的输出电压和/或所述电源适配器的输出电流。
  12. 一种充电异常的处理方法，其特征在于，包括：
    终端从电源适配器接收充电参数信息；
    所述终端根据所述充电参数信息确定所述终端与所述电源适配器之间的充电回路是否发生异常；
    当所述充电回路发生异常时，所述终端控制所述充电回路进入保护状态。
  13. 如权利要求12所述的方法，其特征在于，所述方法还包括：
    当所述充电回路发生异常时，所述终端向所述电源适配器发送充电保护指示信息，指示所述电源适配器控制所述充电回路进入保护状态。
  14. 如权利要求12或13所述的方法，其特征在于，所述终端包括充电接口，所述充电接口包括数据线和用于充电的电源线，
    所述终端从电源适配器接收充电参数信息，包括：
    所述终端通过所述充电接口中的数据线从所述电源适配器接收所述充电参数信息。
  15. 如权利要求12-14中任一项所述的方法，其特征在于，所述终端控制所述充电回路进入保护状态，包括：
    所述终端降低所述电源适配器的输入电压；
    所述终端降低所述电源适配器的输入电流；或者，
    所述终端断开所述充电回路。
  16. 如权利要求12-14中任一项所述的方法，其特征在于，所述充电回路的异常包括以下中的至少一项：所述电源适配器的输出电压过压，和/或所述电源适配器的输出电流过流。
  17. 如权利要求16所述的方法，其特征在于，所述充电参数信息包括所述电源适配器的输出电压，
    所述终端根据所述充电参数信息确定所述终端与所述电源适配器之间的充电回路是否发生异常，包括：
    所述终端将所述输出电压和电压阈值比较；
    当所述输出电压大于所述电压阈值时，所述终端确定所述输出电压过压，所述充电回路异常。
  18. 如权利要求16所述的方法，其特征在于，所述充电参数信息包括所述电源适配器的输出电流，
    所述终端根据所述充电参数信息确定所述终端与所述电源适配器之间的充电回路是否发生异常，包括：
    所述终端将所述输出电流和电流阈值比较，
    当所述输出电流过流大于所述电流阈值时，所述终端确定所述输出电流过流，所述充电回路异常。
  19. 一种充电异常的处理方法，其特征在于，包括：
    电源适配器从终端接收充电保护指示信息；
    所述电源适配器根据所述充电保护指示信息的指示，控制所述电源适配器和所述终端之间的充电回路进入保护状态。
  20. 如权利要求19所述的方法，其特征在于，所述电源适配器与所述终端通过充电接口相连，所述充电接口包括用于充电的电源线，以及数据线，
    所述电源适配器从终端接收充电保护指示信息，包括：
    所述电源适配器通过所述充电接口中的数据线从所述终端接收所述充电保护指示信息。
  21. 如权利要求19或20所述的方法，其特征在于，所述方法还包括：
    所述电源适配器向所述终端发送充电参数信息，所述充电参数信息用于所述终端确定所述充电回路是否异常。
  22. 如权利要求21所述的方法，其特征在于，所述充电参数信息包括所述电源适配器的输出电压和/或所述电源适配器的输出电流。
PCT/CN2015/070468 2014-01-28 2015-01-09 终端、电源适配器和充电异常的处理方法 Ceased WO2015113465A1 (zh)

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