WO2016074160A1 - 通信方法、电源适配器和终端 - Google Patents

通信方法、电源适配器和终端 Download PDF

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Publication number
WO2016074160A1
WO2016074160A1 PCT/CN2014/090847 CN2014090847W WO2016074160A1 WO 2016074160 A1 WO2016074160 A1 WO 2016074160A1 CN 2014090847 W CN2014090847 W CN 2014090847W WO 2016074160 A1 WO2016074160 A1 WO 2016074160A1
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WO
WIPO (PCT)
Prior art keywords
power adapter
terminal
handshake
information
charging
Prior art date
Application number
PCT/CN2014/090847
Other languages
English (en)
French (fr)
Inventor
张加亮
Original Assignee
广东欧珀移动通信有限公司
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 广东欧珀移动通信有限公司 filed Critical 广东欧珀移动通信有限公司
Priority to PCT/CN2014/090847 priority Critical patent/WO2016074160A1/zh
Priority to CN201810461219.XA priority patent/CN108667094B/zh
Priority to EP21190177.2A priority patent/EP3923443A1/en
Priority to CN201480073122.1A priority patent/CN105900312B/zh
Priority to EP14905845.5A priority patent/EP3220507B1/en
Priority to US15/122,459 priority patent/US9985449B2/en
Priority to MX2016017129A priority patent/MX364215B/es
Priority to EP22182583.9A priority patent/EP4096054A1/en
Priority to ES15859893T priority patent/ES2742895T3/es
Priority to BR112016028206-0A priority patent/BR112016028206B1/pt
Priority to EP15858575.2A priority patent/EP3131170B1/en
Priority to MYPI2016704182A priority patent/MY176505A/en
Priority to PCT/CN2015/074050 priority patent/WO2016074391A1/zh
Priority to AU2015345857A priority patent/AU2015345857B2/en
Priority to JP2016573759A priority patent/JP6395871B2/ja
Priority to CN201910091886.8A priority patent/CN109768601A/zh
Priority to DK15859893.8T priority patent/DK3142220T3/da
Priority to KR1020167037047A priority patent/KR101976251B1/ko
Priority to CN201580004897.8A priority patent/CN106030970A/zh
Priority to PCT/CN2015/074049 priority patent/WO2016074390A1/zh
Priority to PT15859893T priority patent/PT3142220T/pt
Priority to CA2951176A priority patent/CA2951176C/en
Priority to CN201580004896.3A priority patent/CN106030974B/zh
Priority to SG11201609425SA priority patent/SG11201609425SA/en
Priority to US15/311,154 priority patent/US20170098944A1/en
Priority to EP15859893.8A priority patent/EP3142220B1/en
Priority to CN201810502572.8A priority patent/CN108736539B/zh
Priority to CN201810716984.1A priority patent/CN108988415A/zh
Priority to CN201580004522.1A priority patent/CN106030962B/zh
Priority to PCT/CN2015/078905 priority patent/WO2016074459A1/zh
Priority to JP2017518081A priority patent/JP6475826B2/ja
Priority to EP15859023.2A priority patent/EP3148039A4/en
Priority to KR1020177003394A priority patent/KR20170020536A/ko
Priority to KR1020197027788A priority patent/KR102135606B1/ko
Publication of WO2016074160A1 publication Critical patent/WO2016074160A1/zh
Priority to US15/372,035 priority patent/US20170085109A1/en
Priority to CL2016003210A priority patent/CL2016003210A1/es
Priority to PH12016502550A priority patent/PH12016502550A1/en
Priority to US15/405,771 priority patent/US10454288B2/en
Priority to US16/198,662 priority patent/US10326291B2/en

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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
    • H02J7/007—Regulation of charging or discharging current or 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
    • G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • G06F1/206—Cooling means comprising thermal management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • 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
    • H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting 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
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing 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
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the 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
    • 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
    • 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
    • H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source

Definitions

  • the present invention relates to the field of charging, and more particularly to a communication method, a power adapter, and a terminal.
  • the embodiment of the invention provides a communication method, a power adapter and a terminal, which can effectively avoid the phenomenon of overheating of the smart phone caused by blindly increasing the output current or output voltage of the power adapter.
  • a communication method comprising: receiving, by a terminal, handshake information from the power adapter before receiving a charging current from a power adapter; the terminal determining an initial charging parameter according to the handshake information; The power adapter transmits the initial charging parameter, instructing the power adapter to charge the terminal according to the initial charging parameter.
  • the receiving the handshake information from the power adapter includes: the terminal sending a handshake request message to the power adapter; the terminal from the power adapter Receiving a handshake response message, the handshake response message including the handshake information.
  • the receiving, by the power adapter, the handshake information further includes: sending, by the terminal, the power adapter Two handshake information; the terminal receives a second handshake response message from the power adapter, the second handshake response message includes second information in the handshake information, and the second information indicates a model number of the power adapter or And determining, by the terminal, the initial charging parameter according to the handshake information, further comprising: determining, by the terminal, the charging voltage and/or the charging current in the initial charging parameter according to the second information in the handshake information.
  • the handshake information includes at least one of the following information: a model of the power adapter, the power adapter The identification of the power adapter, the maximum output voltage supported by the power adapter, the maximum output current supported by the power adapter, and the charging mode supported by the power adapter.
  • the initial charging parameter includes at least one of the following: a charging mode, a charging voltage, and a charging current, wherein The charging mode includes a fast charging mode and a normal charging mode.
  • the determining, by the terminal, the initial charging parameter according to the handshake information including: the terminal according to the handshake information Determining a charging parameter to be negotiated, the charging parameter to be negotiated; the terminal sending a negotiation request message to the power adapter, the negotiation request message includes the to-be-negotiated charging parameter; the terminal receiving from the power adapter is based on Negotiating a response message determined by the charging parameter to be negotiated; the terminal determining the initial charging parameter according to the negotiation response message.
  • the determining, by the terminal, the initial charging parameter according to the negotiation response message includes: when the negotiation response When the message indicates that the power adapter confirms the to-be-negotiated charging parameter, the terminal determines the to-be-negotiated charging parameter as the initial charging parameter; and when the negotiation response message indicates that the power adapter denies the to-be-negotiated charging When the parameter is used, the terminal adjusts the to-be-negotiated charging parameter based on the adjustment parameter in the negotiation response message, and determines the adjusted to-be-negotiated charging parameter as the initial charging parameter.
  • a communication method comprising: transmitting handshake information to the terminal before the power adapter charges the terminal; the power adapter receiving an initial charging parameter from the terminal, The initial charging parameter is determined by the terminal based on the handshake information; the power adapter charges the terminal according to the initial charging parameter.
  • the sending the handshake information to the terminal includes: the power adapter receiving a handshake request message from the terminal; the power adapter sending the handshake to the terminal A handshake response message, the handshake response message including the handshake information.
  • the sending the handshake information to the terminal includes: the power adapter receiving the first handshake from the terminal a request message; the power adapter sends a first handshake response message to the terminal, the first handshake response message includes first information in the handshake information, and the first information indicates that the power adapter supports a fast charging mode .
  • the sending the handshake information to the terminal further includes: the power adapter receiving a second from the terminal a handshake request message; the power adapter sends a second handshake response message to the terminal, the second handshake response message includes second information in the handshake information, and the second information indicates a model number of the power adapter or Logo.
  • the handshake information includes at least one of the following information: a model of the power adapter, the power adapter The identification of the power adapter, the maximum output voltage supported by the power adapter, the maximum output current supported by the power adapter, and the charging mode supported by the power adapter.
  • the initial charging parameter includes at least one of the following parameters: a charging mode, a charging voltage, and a charging current, wherein The charging mode includes a fast charging mode and a normal charging mode.
  • the method before the power adapter receives the initial charging parameter from the terminal, the method further includes: the power source The adapter receives a negotiation request message from the terminal, the negotiation request message includes a charging parameter to be negotiated, the charging parameter to be negotiated is determined by the terminal based on the handshake information; and the power adapter is operated according to the power adapter Determining whether the terminal can be charged according to the to-be-negotiated charging parameter provided by the terminal; and when the power adapter can charge the terminal according to the to-be-negotiated charging parameter, sending a negotiation response to the terminal a message, the negotiation response message instructing the terminal to determine the to-be-negotiated charging parameter as the initial charging a parameter: when the power adapter is unable to charge the terminal according to the to-be-negotiated charging parameter, sending a negotiation response message to the terminal, where the negotiation response message includes an adjustment parameter, indicating that the terminal determines according to the adjustment parameter The initial charging parameter.
  • a third aspect provides a terminal, comprising: a first transceiver unit, configured to receive handshake information from the power adapter before receiving a charging current from a power adapter; and a determining unit, configured to receive the handshake according to the receiving unit And the second transceiver unit is configured to send the initial charging parameter to the power adapter determined by the determining unit, and instruct the power adapter to charge the terminal according to the initial charging parameter.
  • the first transceiver unit is configured to send a handshake request message to the power adapter, and receive a handshake response message, the handshake response message from the power adapter.
  • the handshake information is included.
  • the first transceiver unit is specifically configured to send, by the terminal, a first handshake request message to the power adapter; Receiving a first handshake response message from the power adapter, the second handshake response message includes first information in the handshake information, the first information indicating that the power adapter supports a fast charging mode; And determining, according to the first information in the handshake information, that the charging mode in the initial charging parameter is a fast charging mode.
  • the first transceiver unit is further configured to send second handshake information to the power adapter; Receiving, by the adapter, a second handshake response message, where the second handshake response message includes second information in the handshake information, where the second information indicates a model or identifier of the power adapter, and the determining unit is specifically configured to be used according to the The second information in the handshake information determines a charging voltage and/or a charging current in the initial charging parameter.
  • the handshake information includes at least one of the following information: a model of the power adapter, the power adapter The identification of the power adapter, the maximum output voltage supported by the power adapter, the maximum output current supported by the power adapter, and the charging mode supported by the power adapter.
  • the initial charging parameter includes at least one of the following parameters: a charging mode, a charging voltage, and a charging current, where The charging mode includes a fast charging mode and a normal charging mode.
  • the determining unit is specifically configured to determine, according to the handshake information, a charging parameter to be negotiated, the to-be-negotiated charging Sending a negotiation request message to the power adapter, the negotiation request message includes the to-be-negotiated charging parameter; receiving, from the power adapter, a negotiation response message determined based on the to-be-negotiated charging parameter; according to the negotiation response message Determining the initial charging parameter.
  • the determining unit is specifically configured to: when the negotiation response message indicates that the power adapter confirms the to-be-negotiated charging And determining, by the terminal, the to-be-negotiated charging parameter as the initial charging parameter; when the negotiation response message indicates that the power adapter denies the to-be-negotiated charging parameter, the terminal is based on the negotiation response message
  • the adjustment parameter in the adjustment adjusts the to-be-negotiated charging parameter, and determines the adjusted to-be-negotiated charging parameter as the initial charging parameter.
  • a power adapter including: a first transceiver unit, configured to send handshake information to the terminal before the power adapter charges the terminal; and a second transceiver unit configured to receive initial charging parameters from the terminal The initial charging parameter is determined by the terminal based on the handshake information, and the charging unit is configured to charge the terminal according to the initial charging parameter.
  • the first transceiver unit is configured to receive a handshake request message from the terminal, and send a handshake response message to the terminal, where the handshake response message includes Handshake information.
  • the first transceiver unit is specifically configured to receive, by the power adapter, a first handshake request message from the terminal; Sending a first handshake response message to the terminal, where the first handshake response message includes first information in the handshake information, and the first information indicates that the power adapter supports a fast charging mode.
  • the first transceiver unit is further configured to receive a second handshake request message from the terminal, to the terminal Sending a second handshake response message, where the second handshake response message includes second information in the handshake information, and the second information indicates a model or identifier of the power adapter.
  • the handshake information includes at least one of the following information: a model of the power adapter, the power adapter Identification, the operating state of the power adapter, the maximum output voltage supported by the power adapter, the maximum output current supported by the power adapter, and the power adapter Supported charging mode.
  • the initial charging parameter includes at least one of the following: a charging mode, a charging voltage, and a charging current, where The charging mode includes a fast charging mode and a normal charging mode.
  • the power adapter further includes: a negotiating unit, configured to receive a negotiation request message from the terminal, where the negotiation The request message includes a charging parameter to be negotiated, and the charging parameter to be negotiated is determined by the terminal based on the handshake information; determining, according to the working parameter of the power adapter, whether the charging parameter to be negotiated provided by the terminal can be determined.
  • Charging the terminal when the power adapter is capable of charging the terminal according to the to-be-negotiated charging parameter, sending a negotiation response message to the terminal, the negotiation response message instructing the terminal to charge the to-be-negotiated
  • the parameter is determined as the initial charging parameter; when the power adapter is unable to charge the terminal according to the to-be-negotiated charging parameter, sending a negotiation response message to the terminal, where the negotiation response message includes an adjustment parameter, indicating the The terminal determines the initial charging parameter according to the adjustment parameter.
  • the terminal before the power adapter charges the terminal, the terminal receives the handshake information from the power adapter, and determines the initial charging parameter according to the handshake information, which can effectively avoid blindly increasing the voltage or current of the power adapter to heat up the mobile phone or even Burnt phenomenon.
  • FIG. 1 is a schematic flowchart of a communication method according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a communication method according to an embodiment of the present invention.
  • FIG. 3 is a schematic block diagram of a terminal according to an embodiment of the present invention.
  • FIG. 4 is a schematic block diagram of a power adapter of an embodiment of the present invention.
  • FIG. 5 is a schematic block diagram of a terminal according to an embodiment of the present invention.
  • Figure 6 is a schematic block diagram of a power adapter in accordance with an embodiment of the present invention.
  • FIG. 1 is a schematic flowchart of a communication method according to an embodiment of the present invention. It should be understood that the communication method can be applied to a specific negotiation process of the initial charging parameters before the power adapter charges the terminal.
  • the method of Figure 1 includes:
  • the terminal receives the handshake information from the power adapter before receiving the charging current from the power adapter.
  • the power adapter can send handshake information to the terminal actively or passively.
  • the terminal first sends a handshake request message to the power adapter, and when the power adapter receives the handshake request message, it returns a handshake response message to the terminal, and in the handshake response message.
  • the handshake information is carried.
  • the power adapter actively sends a handshake request message to the terminal, and carries the handshake information in the handshake request information.
  • the above handshake information may include at least one of the following: the model of the power adapter, the identity of the power adapter, the operating state of the power adapter, the maximum output voltage supported by the power adapter, the maximum output current supported by the power adapter, and the charging supported by the power adapter. mode.
  • the terminal and the power adapter can perform a handshake or multiple handshakes until the initial charging parameters are negotiated.
  • the terminal determines an initial charging parameter according to the handshake information.
  • the initial charging parameters herein include parameters required for the power adapter to start charging the terminal, for example, may include at least one of the following parameters: a charging mode, a charging voltage, and a charging current, wherein the charging mode includes a fast charging mode and Normal charging mode.
  • the terminal can negotiate with the power adapter to charge according to the fast charging mode or the normal charging mode, and then the terminal negotiates the charging voltage or current with the power adapter; or, the terminal only negotiates charging with the power adapter. Mode; alternatively, the terminal only negotiates the charging voltage or charging current with the power adapter.
  • the terminal sends an initial charging parameter to the power adapter, instructing the power adapter to charge the terminal according to the initial charging parameter.
  • the terminal before the power adapter charges the terminal, the terminal receives the handshake information from the power adapter, and determines the initial charging parameter according to the handshake information, which can effectively avoid blindly increasing the voltage or current of the power adapter to heat up the mobile phone or even Burnt phenomenon.
  • step 110 may include: the terminal sends a handshake request message to the power adapter; the terminal receives a handshake response message from the power adapter, and the handshake response message includes handshake information. That is, the terminal actively sends a handshake request message to the power adapter.
  • the terminal can continuously send a handshake request message to the outside through the charging interface. After receiving the handshake response message of the power adapter, the subsequent initial charging parameter negotiation process is performed.
  • the step 110 may include: the terminal receiving a handshake request message from the power adapter, where the handshake request message includes handshake information. That is, the power adapter actively sends a handshake request message to the terminal.
  • the power adapter can continuously send a handshake request message to the outside through the charging interface. After receiving the handshake response message of the terminal, the subsequent initial charging parameter negotiation process is performed.
  • the step 110 may include: the terminal sending a first handshake request message to the power adapter; the terminal receiving the first handshake response message from the power adapter, where the second handshake response message includes the first information in the handshake information,
  • the first information indicates that the power adapter supports the fast charging mode;
  • the step 120 may include the terminal determining, according to the first information in the handshake information, that the charging mode in the initial charging parameter is the fast charging mode.
  • the power adapter and the terminal use a handshake to negotiate whether to use the fast charging mode or the normal charging mode to charge the terminal.
  • the foregoing first handshake request message may not carry any information, or the first handshake request message may indicate that the terminal supports the fast charging mode.
  • the step 110 may further include: the terminal sending the second handshake information to the power adapter; the terminal receiving the second handshake response message from the power adapter, the second handshake response message includes the second information in the handshake information, and the second information indicates the power adapter
  • the model or identifier may further include: the terminal determining the charging voltage and/or the charging current in the initial charging parameter according to the second information in the handshake information.
  • the power adapter after the power adapter negotiates the charging mode with the terminal, it also negotiates a specific charging voltage or charging current.
  • the power adapter and the terminal are models and adapters, and then the terminal can obtain the model of the power adapter directly. Determine the charging voltage or charging current that the power adapter can output.
  • the step 120 may include: determining, by the terminal, the charging parameter to be negotiated according to the handshake information, and the charging parameter to be negotiated; the terminal sending a negotiation request message to the power adapter, where the negotiation request message includes a charging parameter to be negotiated; Power adapter reception based on charging to be negotiated The parameter determines the negotiation response message; the terminal determines the initial charging parameter according to the negotiation response message.
  • the terminal determines the initial charging parameter according to the negotiation response message, including: when the negotiation response message indicates that the power adapter confirms the charging parameter to be negotiated, the terminal determines the charging parameter to be negotiated as the initial charging parameter; when the negotiation response message indicates the power adapter When the charging parameter to be negotiated is denied, the terminal adjusts the charging parameter to be negotiated based on the adjustment parameter in the negotiation response message, and determines the adjusted charging parameter to be negotiated as the initial charging parameter.
  • the terminal does not unilaterally determine the final initial charging parameter, but first determines the charging parameter to be negotiated, and then queries the power adapter to determine whether the charging parameter to be negotiated is appropriate through the negotiation request message, if the power adapter agrees And determining the to-be-negotiated charging parameter as the initial charging parameter, if the power adapter does not agree, re-determining the charging parameter to be negotiated, or modifying the charging parameter to be negotiated according to the indication of the power adapter.
  • the power adapter can determine whether the charging parameter to be negotiated is suitable according to various working parameters, such as the temperature of the battery, the power of the battery, and the current working state, which is not specifically limited in the embodiment of the present invention.
  • the communication method of the embodiment of the present invention is described in detail above from the perspective of the terminal in conjunction with FIG.
  • a communication method of an embodiment of the present invention will be described in detail from the perspective of a power adapter in conjunction with FIG.
  • the power adapter and the terminal are two devices that interact with each other during the charging negotiation process, and the information and process of the interaction are the same or corresponding, and the duplicate description is omitted as appropriate for brevity.
  • FIG. 2 is a schematic flowchart of a communication method according to an embodiment of the present invention. It should be understood that the method of Figure 2 includes:
  • the power adapter receives an initial charging parameter from the terminal, where the initial charging parameter is determined by the terminal based on the handshake information.
  • the power adapter charges the terminal according to the initial charging parameter.
  • the terminal before the power adapter charges the terminal, the terminal receives the handshake information from the power adapter, and determines the initial charging parameter according to the handshake information, which can effectively avoid blindly increasing the voltage or current of the power adapter to heat up the mobile phone or even Burnt phenomenon.
  • sending handshake information to the terminal includes: the power adapter receiving a handshake request message from the terminal; the power adapter sending a handshake response message to the terminal, where the handshake response message includes handshake information.
  • step 210 may include: the power adapter receives the first from the terminal a handshake request message; the power adapter sends a first handshake response message to the terminal, the first handshake response message includes first information in the handshake information, and the first information indicates that the power adapter supports the fast charging mode.
  • step 210 may further include: the power adapter receiving the second handshake request message from the terminal; the power adapter sending the second handshake response message to the terminal, where the second handshake response message includes the second information in the handshake information.
  • the second information indicates the model or identification of the power adapter.
  • the handshake information includes at least one of the following information: a model of the power adapter, an identifier of the power adapter, an operating state of the power adapter, a maximum output voltage supported by the power adapter, and a maximum output supported by the power adapter. Current and charging mode supported by the power adapter.
  • the initial charging parameter includes at least one of the following: a charging mode, a charging voltage, and a charging current, wherein the charging mode includes a fast charging mode and a normal charging mode.
  • the method of FIG. 2 may further include: the power adapter receiving a negotiation request message from the terminal, the negotiation request message includes a charging parameter to be negotiated, and the charging parameter to be negotiated
  • the terminal is determined based on the handshake information; the power adapter determines, according to the working parameters of the power adapter, whether the terminal can be charged according to the to-be-negotiated charging parameter provided by the terminal; when the power adapter can charge the terminal according to the charging parameter to be negotiated, the terminal sends a negotiation to the terminal.
  • the response message indicates that the terminal determines the charging parameter to be negotiated as the initial charging parameter.
  • the terminal sends a negotiation response message to the terminal, where the negotiation response message includes an adjustment parameter, and the terminal is instructed to follow the Adjust the parameters to determine the initial charging parameters.
  • FIG. 3 is a schematic block diagram of a terminal according to an embodiment of the present invention. It should be understood that the terminal 300 of FIG. 3 can implement the steps performed by the terminal in FIG. 1 to FIG. 2, and is not detailed herein to avoid repetition.
  • the terminal 300 of FIG. 3 includes:
  • the first transceiver unit 310 is configured to receive handshake information from the power adapter before receiving the charging current from the power adapter.
  • a determining unit 320 configured to determine an initial charging parameter according to the handshake information received by the receiving unit
  • the second transceiver unit 330 is configured to send an initial charging parameter to the power adapter determined by the determining unit 320, instructing the power adapter to charge the terminal according to the initial charging parameter.
  • the terminal before the power adapter charges the terminal, the terminal receives the handshake information from the power adapter, and determines the initial charging parameter according to the handshake information, which can effectively avoid blindly increasing the voltage or current of the power adapter to heat up the mobile phone or even Burnt phenomenon.
  • the first transceiver unit 310 is specifically configured to send a handshake request message to the power adapter, and receive a handshake response message from the power adapter, where the handshake response message includes handshake information.
  • the first transceiver unit 310 is specifically configured to send, by the terminal, a first handshake request message to the power adapter, and receive a first handshake response message from the power adapter, where the second handshake response message includes the first handshake information.
  • the first information indicates that the power adapter supports the fast charging mode;
  • the determining unit is specifically configured to determine, according to the first information in the handshake information, that the charging mode in the initial charging parameter is a fast charging mode.
  • the first transceiver unit 310 is further configured to send second handshake information to the power adapter, and receive a second handshake response message from the power adapter, where the second handshake response message includes the second information in the handshake information.
  • the second information indicates a model or an identifier of the power adapter; the determining unit is specifically configured to determine a charging voltage and/or a charging current in the initial charging parameter according to the second information in the handshake information.
  • the handshake information includes at least one of the following information: a model of the power adapter, an identifier of the power adapter, an operating state of the power adapter, a maximum output voltage supported by the power adapter, and a maximum output supported by the power adapter. Current and charging mode supported by the power adapter.
  • the initial charging parameter includes at least one of the following: a charging mode, a charging voltage, and a charging current, wherein the charging mode includes a fast charging mode and a normal charging mode.
  • the determining unit 320 is specifically configured to determine, according to the handshake information, a charging parameter to be negotiated, to negotiate a charging parameter, and send a negotiation request message to the power adapter, where the negotiation request message includes a charging parameter to be negotiated; Receiving a negotiation response message determined based on the to-be-negotiated charging parameter; determining an initial charging parameter according to the negotiation response message.
  • the determining unit 320 is specifically configured to: when the negotiation response message indicates that the power adapter confirms the charging parameter to be negotiated, the terminal determines the charging parameter to be negotiated as the initial charging. When the negotiation response message indicates that the power adapter denies the charging parameter to be negotiated, the terminal adjusts the charging parameter to be negotiated based on the adjustment parameter in the negotiation response message, and determines the adjusted charging parameter to be negotiated as the initial charging parameter.
  • the power adapter 400 includes:
  • the first transceiver unit 410 is configured to send handshake information to the terminal before the power adapter charges the terminal;
  • the second transceiver unit 420 is configured to receive an initial charging parameter from the terminal, where the initial charging parameter is determined by the terminal based on the handshake information;
  • the charging unit 430 is configured to charge the terminal according to the initial charging parameter.
  • the terminal before the power adapter charges the terminal, the terminal receives the handshake information from the power adapter, and determines the initial charging parameter according to the handshake information, which can effectively avoid blindly increasing the voltage or current of the power adapter to heat up the mobile phone or even Burnt phenomenon.
  • the first transceiver unit 410 is specifically configured to receive a handshake request message from the terminal, and send a handshake response message to the terminal, where the handshake response message includes handshake information.
  • the first transceiver unit 410 is specifically configured to receive, by the power adapter, a first handshake request message from the terminal, and send a first handshake response message to the terminal, where the first handshake response message includes the first information in the handshake information.
  • the first message indicates that the power adapter supports the fast charging mode.
  • the first transceiver unit 410 is further configured to receive a second handshake request message from the terminal, and send a second handshake response message to the terminal, where the second handshake response message includes the second information in the handshake information, where The second message indicates the model or identification of the power adapter.
  • the handshake information includes at least one of the following information: a model of the power adapter, an identifier of the power adapter, an operating state of the power adapter, a maximum output voltage supported by the power adapter, and a maximum output supported by the power adapter. Current and charging mode supported by the power adapter.
  • the initial charging parameter includes at least one of the following: a charging mode, a charging voltage, and a charging current, wherein the charging mode includes a fast charging mode and a normal charging mode.
  • the power adapter 400 may further include: a negotiating unit, configured to: Receiving a negotiation request message, the negotiation request message includes a charging parameter to be negotiated, and the charging parameter to be negotiated is determined by the terminal based on the handshake information; determining, according to the working parameter of the power adapter, whether the terminal can be charged according to the to-be-negotiated charging parameter provided by the terminal; When the power adapter can charge the terminal according to the charging parameter to be negotiated, the negotiation response message is sent to the terminal, and the negotiation response message indicates that the terminal determines the charging parameter to be negotiated as the initial charging parameter; when the power adapter cannot charge the terminal according to the charging parameter to be negotiated And sending a negotiation response message to the terminal, where the negotiation response message includes an adjustment parameter, and the terminal is instructed to determine the initial charging parameter according to the adjustment parameter.
  • a negotiating unit configured to: Receiving a negotiation request message, the negotiation request message includes a charging parameter to be negotiated, and the charging parameter to be negotiated is determined by the terminal based on the
  • FIG. 5 is a schematic block diagram of a terminal according to an embodiment of the present invention. It should be understood that the terminal 500 of FIG. 5 can implement the steps performed by the terminal in FIGS. 1-2, and to avoid repetition, details are not described herein.
  • the terminal 500 of FIG. 5 includes:
  • the transceiver 510 is configured to receive handshake information from the power adapter before receiving the charging current from the power adapter.
  • the processor 520 is configured to determine an initial charging parameter according to the handshake information received by the receiving unit.
  • the transceiver 510 is further configured to send an initial charging parameter to the power adapter determined by the processor 520, instructing the power adapter to charge the terminal according to the initial charging parameter.
  • the terminal before the power adapter charges the terminal, the terminal receives the handshake information from the power adapter, and determines the initial charging parameter according to the handshake information, which can effectively avoid blindly increasing the voltage or current of the power adapter to heat up the mobile phone or even Burnt phenomenon.
  • the transceiver 510 is specifically configured to send a handshake request message to the power adapter, and receive a handshake response message from the power adapter, where the handshake response message includes handshake information.
  • the transceiver 510 is specifically configured to send, by the terminal, a first handshake request message to the power adapter, and receive a first handshake response message from the power adapter, where the second handshake response message includes the first information in the handshake information.
  • the first information indicates that the power adapter supports the fast charging mode;
  • the determining unit is specifically configured to determine, according to the first information in the handshake information, that the charging mode in the initial charging parameter is a fast charging mode.
  • the transceiver 510 is further configured to send second handshake information to the power adapter, and receive a second handshake response message from the power adapter, where the second handshake response message includes second information in the handshake information, and second.
  • the information indicates the model or identifier of the power adapter; the determining unit is specifically configured to determine the charging voltage and/or the charging current in the initial charging parameter according to the second information in the handshake information.
  • the handshake information includes at least one of the following information: The model number of the adapter, the identity of the power adapter, the operating state of the power adapter, the maximum output voltage supported by the power adapter, the maximum output current supported by the power adapter, and the charging mode supported by the power adapter.
  • the initial charging parameter includes at least one of the following: a charging mode, a charging voltage, and a charging current, wherein the charging mode includes a fast charging mode and a normal charging mode.
  • the processor 520 is specifically configured to determine, according to the handshake information, a charging parameter to be negotiated, to negotiate a charging parameter, and send a negotiation request message to the power adapter, where the negotiation request message includes a charging parameter to be negotiated; Receiving a negotiation response message determined based on the to-be-negotiated charging parameter; determining an initial charging parameter according to the negotiation response message.
  • the processor 520 is specifically configured to: when the negotiation response message indicates that the power adapter confirms the to-be-negotiated charging parameter, the terminal determines the to-be-negotiated charging parameter as the initial charging parameter; when the negotiation response message indicates that the power adapter denies the waiting When the charging parameter is negotiated, the terminal adjusts the charging parameter to be negotiated based on the adjustment parameter in the negotiation response message, and determines the adjusted charging parameter to be negotiated as the initial charging parameter.
  • FIG. 6 is a schematic block diagram of a power adapter in accordance with an embodiment of the present invention. It should be understood that the power adapter 600 of FIG. 6 can implement the various steps performed by the terminal in FIG. 1 to FIG. 2, and details are not described herein again to avoid repetition.
  • the power adapter 600 includes:
  • the transceiver 610 is configured to send handshake information to the terminal before the power adapter charges the terminal, and receive initial charging parameters from the terminal, where the initial charging parameter is determined by the terminal based on the handshake information;
  • the charger 620 is configured to charge the terminal according to the initial charging parameter.
  • the terminal before the power adapter charges the terminal, the terminal receives the handshake information from the power adapter, and determines the initial charging parameter according to the handshake information, which can effectively avoid blindly increasing the voltage or current of the power adapter to heat up the mobile phone or even Burnt phenomenon.
  • the transceiver 610 is specifically configured to receive a handshake request message from the terminal, and send a handshake response message to the terminal, where the handshake response message includes handshake information.
  • the transceiver 610 is specifically configured to: the power adapter receives the first handshake request message from the terminal; and sends a first handshake response message to the terminal, where the first handshake response message includes the first information in the handshake information, where A message indicates that the power adapter supports the fast charge mode.
  • the transceiver 610 is further configured to receive a second handshake request message from the terminal, and send a second handshake response message to the terminal, where the second handshake response message includes the handshake information.
  • the second information, the second information indicating the model or identification of the power adapter.
  • the handshake information includes at least one of the following information: a model of the power adapter, an identifier of the power adapter, an operating state of the power adapter, a maximum output voltage supported by the power adapter, and a maximum output supported by the power adapter. Current and charging mode supported by the power adapter.
  • the initial charging parameter includes at least one of the following: a charging mode, a charging voltage, and a charging current, wherein the charging mode includes a fast charging mode and a normal charging mode.
  • the power adapter 600 may further include: a processor, configured to receive a negotiation request message from the terminal, where the negotiation request message includes a charging parameter to be negotiated, and the charging parameter to be negotiated is determined by the terminal based on the handshake information; The working parameters of the power adapter determine whether the terminal can be charged according to the charging parameter to be negotiated provided by the terminal; when the power adapter can charge the terminal according to the charging parameter to be negotiated, the negotiation response message is sent to the terminal, and the negotiation response message indicates that the terminal is to be negotiated.
  • the charging parameter is determined as an initial charging parameter.
  • the negotiation response message is sent to the terminal, and the negotiation response message includes an adjustment parameter, and the terminal is instructed to determine the initial charging parameter according to the adjustment parameter.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention.
  • the implementation process constitutes any limitation.
  • 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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Abstract

本发明提供一种通信方法、电源适配器和终端，该方法包括：终端从电源适配器接收充电电流前，从所述电源适配器接收握手信息；所述终端根据所述握手信息，确定初始充电参数；所述终端向所述电源适配器发送所述初始充电参数，指示所述电源适配器按照该初始充电参数为所述终端充电。本发明实施例中，在电源适配器为终端充电前，终端从电源适配器接收握手信息，并根据握手信息确定初始充电参数，能够有效避免盲目增大电源适配器的电压或电流所带来的手机发热甚至烧坏的现象。

Description

通信方法、电源适配器和终端 技术领域
本发明涉及充电领域，并且更具体地，涉及一种通信方法、电源适配器和终端。
背景技术
目前，智能手机越来越受到消费者的青睐，但是智能手机耗电量大，通常需要经常充电。随着智能手机的电池容量越来越高，充电时间相应变长。如何实现快速充电亟待解决。
现有技术中，为了达到快速充电的目的，通常不考虑智能手机的承受能力，直接增大电源适配器的输出电流或输出电压，这样会导致智能手机过热甚至烧坏等现象，降低了智能手机的使用寿命。
发明内容
本发明实施例提供一种通信方法、电源适配器和终端，能够有效避免盲目增大电源适配器输出电流或输出电压所带来的智能手机过热现象。
第一方面，提供一种通信方法，包括：终端从电源适配器接收充电电流前，从所述电源适配器接收握手信息；所述终端根据所述握手信息，确定初始充电参数；所述终端向所述电源适配器发送所述初始充电参数，指示所述电源适配器按照该初始充电参数为所述终端充电。
结合第一方面，在第一方面的一种实现方式中，所述从所述电源适配器接收握手信息，包括：所述终端向所述电源适配器发送握手请求消息；所述终端从所述电源适配器接收握手响应消息，所述握手响应消息包括所述握手信息。
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，所述从所述电源适配器接收握手信息，包括：所述终端向所述电源适配器发送第一握手请求消息；所述终端从所述电源适配器接收第一握手响应消息，所述第二握手响应消息包括所述握手信息中的第一信息，所述第一信息指示所述电源适配器支持快速充电模式；所述终端根据所述握手信息，确定初始充电参数，包括：所述终端根据所述握手信息中的第一信息，确定所 述初始充电参数中的充电模式为快速充电模式。
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，所述从所述电源适配器接收握手信息，还包括：所述终端向所述电源适配器发送第二握手信息；所述终端从所述电源适配器接收第二握手响应消息，所述第二握手响应消息包括所述握手信息中的第二信息，所述第二信息指示所述电源适配器的型号或标识；所述终端根据所述握手信息，确定初始充电参数，还包括：所述终端根据所述握手信息中的第二信息，确定所述初始充电参数中的充电电压和/或充电电流。
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，所述握手信息包括以下信息中的至少一种：所述电源适配器的型号，所述电源适配器的标识，所述电源适配器的工作状态，所述电源适配器支持的最大输出电压，所述电源适配器支持的最大输出电流以及所述电源适配器支持的充电模式。
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，所述初始充电参数包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，所述充电模式包括快速充电模式和普通充电模式。
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，所述终端根据所述握手信息，确定初始充电参数，包括：所述终端根据所述握手信息，确定待协商充电参数，所述待协商充电参数；所述终端向所述电源适配器发送协商请求消息，所述协商请求消息包括所述待协商充电参数；所述终端从所述电源适配器接收基于所述待协商充电参数确定的协商响应消息；所述终端根据所述协商响应消息，确定所述初始充电参数。
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，所述终端根据所述协商响应消息，确定所述初始充电参数，包括：当所述协商响应消息指示所述电源适配器确认所述待协商充电参数时，所述终端将所述待协商充电参数确定为所述初始充电参数；当所述协商响应消息指示所述电源适配器否认所述待协商充电参数时，所述终端基于所述协商响应消息中的调整参数对所述待协商充电参数进行调整，并将调整后的所述待协商充电参数确定为所述初始充电参数。
第二方面，提供一种通信方法，包括：在电源适配器为终端充电前，向所述终端发送握手信息；所述电源适配器从所述终端接收初始充电参数，其 中，所述初始充电参数是所述终端基于所述握手信息确定的；所述电源适配器根据所述初始充电参数，为所述终端充电。
结合第二方面，在第二方面的一种实现方式中，所述向所述终端发送握手信息，包括：所述电源适配器从所述终端接收握手请求消息；所述电源适配器向所述终端发送握手响应消息，所述握手响应消息包括所述握手信息。
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，所述向所述终端发送握手信息，包括：所述电源适配器从所述终端接收第一握手请求消息；所述电源适配器向所述终端发送第一握手响应消息，所述第一握手响应消息包括所述握手信息中的第一信息，所述第一信息指示所述电源适配器支持快速充电模式。
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，所述向所述终端发送握手信息，还包括：所述电源适配器从所述终端接收第二握手请求消息；所述电源适配器向所述终端发送第二握手响应消息，所述第二握手响应消息包括所述握手信息中的第二信息，所述第二信息指示所述电源适配器的型号或标识。
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，所述握手信息包括以下信息中的至少一种：所述电源适配器的型号，所述电源适配器的标识，所述电源适配器的工作状态，所述电源适配器支持的最大输出电压，所述电源适配器支持的最大输出电流以及所述电源适配器支持的充电模式。
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，所述初始充电参数包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，所述充电模式包括快速充电模式和普通充电模式。
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，在所述电源适配器从所述终端接收初始充电参数之前，所述方法还包括：所述电源适配器从所述终端接收协商请求消息，所述协商请求消息包括待协商充电参数，所述待协商充电参数是所述终端基于所述握手信息确定的；所述电源适配器根据所述电源适配器的工作参数，确定是否能按照所述终端提供的所述待协商充电参数为所述终端充电；当所述电源适配器能按照所述待协商充电参数为所述终端充电时，向所述终端发送协商响应消息，所述协商响应消息指示所述终端将所述待协商充电参数确定为所述初始充电 参数；当所述电源适配器不能按照所述待协商充电参数为所述终端充电时，向所述终端发送协商响应消息，所述协商响应消息包括调整参数，指示所述终端按照所述调整参数确定所述初始充电参数。
第三方面，提供一种终端，包括：第一收发单元，用于从电源适配器接收充电电流前，从所述电源适配器接收握手信息；确定单元，用于根据所述接收单元接收的所述握手信息，确定初始充电参数；第二收发单元，用于向所述确定单元确定的所述电源适配器发送所述初始充电参数，指示所述电源适配器按照该初始充电参数为所述终端充电。
结合第三方面，在第三方面的一种实现方式中，所述第一收发单元具体用于向所述电源适配器发送握手请求消息；从所述电源适配器接收握手响应消息，所述握手响应消息包括所述握手信息。
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，所述第一收发单元具体用于所述终端向所述电源适配器发送第一握手请求消息；从所述电源适配器接收第一握手响应消息，所述第二握手响应消息包括所述握手信息中的第一信息，所述第一信息指示所述电源适配器支持快速充电模式；所述确定单元具体用于根据所述握手信息中的第一信息，确定所述初始充电参数中的充电模式为快速充电模式。
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，所述第一收发单元还用于向所述电源适配器发送第二握手信息；从所述电源适配器接收第二握手响应消息，所述第二握手响应消息包括所述握手信息中的第二信息，所述第二信息指示所述电源适配器的型号或标识；所述确定单元具体用于根据所述握手信息中的第二信息，确定所述初始充电参数中的充电电压和/或充电电流。
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，所述握手信息包括以下信息中的至少一种：所述电源适配器的型号，所述电源适配器的标识，所述电源适配器的工作状态，所述电源适配器支持的最大输出电压，所述电源适配器支持的最大输出电流以及所述电源适配器支持的充电模式。
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，所述初始充电参数包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，所述充电模式包括快速充电模式和普通充电模式。
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，所述确定单元具体用于根据所述握手信息，确定待协商充电参数，所述待协商充电参数；向所述电源适配器发送协商请求消息，所述协商请求消息包括所述待协商充电参数；从所述电源适配器接收基于所述待协商充电参数确定的协商响应消息；根据所述协商响应消息，确定所述初始充电参数。
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，所述确定单元具体用于当所述协商响应消息指示所述电源适配器确认所述待协商充电参数时，所述终端将所述待协商充电参数确定为所述初始充电参数；当所述协商响应消息指示所述电源适配器否认所述待协商充电参数时，所述终端基于所述协商响应消息中的调整参数对所述待协商充电参数进行调整，并将调整后的所述待协商充电参数确定为所述初始充电参数。
第四方面，提供一种电源适配器，包括：第一收发单元，用于在电源适配器为终端充电前，向所述终端发送握手信息；第二收发单元，用于从所述终端接收初始充电参数，其中，所述初始充电参数是所述终端基于所述握手信息确定的；充电单元，用于根据所述初始充电参数，为所述终端充电。
结合第四方面，在第四方面的一种实现方式中，所述第一收发单元具体用于从所述终端接收握手请求消息；向所述终端发送握手响应消息，所述握手响应消息包括所述握手信息。
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，所述第一收发单元具体用于所述电源适配器从所述终端接收第一握手请求消息；向所述终端发送第一握手响应消息，所述第一握手响应消息包括所述握手信息中的第一信息，所述第一信息指示所述电源适配器支持快速充电模式。
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，所述第一收发单元还用于从所述终端接收第二握手请求消息；向所述终端发送第二握手响应消息，所述第二握手响应消息包括所述握手信息中的第二信息，所述第二信息指示所述电源适配器的型号或标识。
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，所述握手信息包括以下信息中的至少一种：所述电源适配器的型号，所述电源适配器的标识，所述电源适配器的工作状态，所述电源适配器支持的最大输出电压，所述电源适配器支持的最大输出电流以及所述电源适配器 支持的充电模式。
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，所述初始充电参数包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，所述充电模式包括快速充电模式和普通充电模式。
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，所述电源适配器还包括：协商单元，用于从所述终端接收协商请求消息，所述协商请求消息包括待协商充电参数，所述待协商充电参数是所述终端基于所述握手信息确定的；根据所述电源适配器的工作参数，确定是否能按照所述终端提供的所述待协商充电参数为所述终端充电；当所述电源适配器能按照所述待协商充电参数为所述终端充电时，向所述终端发送协商响应消息，所述协商响应消息指示所述终端将所述待协商充电参数确定为所述初始充电参数；当所述电源适配器不能按照所述待协商充电参数为所述终端充电时，向所述终端发送协商响应消息，所述协商响应消息包括调整参数，指示所述终端按照所述调整参数确定所述初始充电参数。
本发明实施例中，在电源适配器为终端充电前，终端从电源适配器接收握手信息，并根据握手信息确定初始充电参数，能够有效避免盲目增大电源适配器的电压或电流所带来的手机发热甚至烧坏的现象。
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是本发明实施例的通信方法的示意性流程图。
图2是本发明实施例的通信方法的示意性流程图。
图3是本发明实施例的终端的示意性框图。
图4是本发明实施例的电源适配器的示意性框图。
图5是本发明实施例的终端的示意性框图。
图6是本发明实施例的电源适配器的示意性框图。
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一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
图1是本发明实施例的通信方法的示意性流程图。应理解，该通信方法可应用于电源适配器为终端充电前，初始充电参数的具体协商过程。图1的方法包括：
110、终端从电源适配器接收充电电流前，从电源适配器接收握手信息。
应理解，电源适配器可以主动或被动向终端发送握手信息，例如，终端先向电源适配器发送握手请求消息，电源适配器接收到该握手请求消息时，向终端回复握手响应消息，并在握手响应消息中携带上述握手信息；又如，电源适配器主动向终端发送握手请求消息，并在握手请求信息中携带上述握手信息。
上述握手信息可包括以下信息中的至少一种：电源适配器的型号，电源适配器的标识，电源适配器的工作状态，电源适配器支持的最大输出电压，电源适配器支持的最大输出电流以及电源适配器支持的充电模式。
应理解，在充电前，终端和电源适配器可以进行一次握手，或多次握手，直到协商好初始充电参数为止。
120、终端根据握手信息，确定初始充电参数。
应理解，这里的初始充电参数包括电源适配器开始为终端充电所需的参数，例如，可以包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，充电模式包括快速充电模式和普通充电模式。
需要说明的是，实际中，终端可以与电源适配器先协商按照快速充电模式充电，还是普通充电模式充电，然后，终端再与电源适配器协商充电的电压或电流；或者，终端仅与电源适配器协商充电模式；或者，终端仅与电源适配器协商充电电压或充电电流。
130、终端向电源适配器发送初始充电参数，指示电源适配器按照该初始充电参数为终端充电。
本发明实施例中，在电源适配器为终端充电前，终端从电源适配器接收握手信息，并根据握手信息确定初始充电参数，能够有效避免盲目增大电源适配器的电压或电流所带来的手机发热甚至烧坏的现象。
可选地，作为一个实施例，步骤110可包括：终端向电源适配器发送握手请求消息；终端从电源适配器接收握手响应消息，握手响应消息包括握手信息。也就是说，终端主动向电源适配器发送握手请求消息。实际中，无论电源适配器与终端是否相连，终端可以通过充电接口不断向外界发送握手请求消息，当收到电源适配器的握手响应消息后，就执行后续的初始充电参数的协商过程。
可选地，步骤110可包括：终端从电源适配器接收握手请求消息，该握手请求消息中包括握手信息。也就是说，电源适配器主动向终端发送握手请求消息。实际中，无论电源适配器与终端是否相连，电源适配器可以通过充电接口不断向外界发送握手请求消息，当收到终端的握手响应消息后，就执行后续的初始充电参数的协商过程。
可选地，作为一个实施例，步骤110可包括：终端向电源适配器发送第一握手请求消息；终端从电源适配器接收第一握手响应消息，第二握手响应消息包括握手信息中的第一信息，第一信息指示电源适配器支持快速充电模式；步骤120可包括终端根据握手信息中的第一信息，确定初始充电参数中的充电模式为快速充电模式。
也就是说，电源适配器与终端通过一次握手，协商采用快速充电模式还是普通充电模式为终端充电。应理解，上述第一握手请求消息可以不携带任何信息，或者，第一握手请求消息可以指示终端支持快速充电模式。
进一步地，步骤110还可包括：终端向电源适配器发送第二握手信息；终端从电源适配器接收第二握手响应消息，第二握手响应消息包括握手信息中的第二信息，第二信息指示电源适配器的型号或标识；步骤120还可包括：终端根据握手信息中的第二信息，确定初始充电参数中的充电电压和/或充电电流。
也就是说，电源适配器与终端协商充电模式之后，还要协商具体的充电电压或充电电流，例如，电源适配器和终端是型号配套的适配器和终端，那么终端得到电源适配器的型号后，就可以直接确定该电源适配器的可以输出的充电电压或充电电流。
可选地，作为一个实施例，步骤120可包括：终端根据握手信息，确定待协商充电参数，待协商充电参数；终端向电源适配器发送协商请求消息，协商请求消息包括待协商充电参数；终端从电源适配器接收基于待协商充电 参数确定的协商响应消息；终端根据协商响应消息，确定初始充电参数。
进一步地，上述终端根据协商响应消息，确定初始充电参数，包括：当协商响应消息指示电源适配器确认待协商充电参数时，终端将待协商充电参数确定为初始充电参数；当协商响应消息指示电源适配器否认待协商充电参数时，终端基于协商响应消息中的调整参数对待协商充电参数进行调整，并将调整后的待协商充电参数确定为初始充电参数。
具体地，终端得到握手信息之后，不是单方面的决定最后的初始充电参数，而是先确定待协商充电参数，然后通过协商请求消息，询问电源适配器该待协商充电参数是否合适，如果电源适配器同意，则将该待协商充电参数确定为上述初始充电参数，如果电源适配器不同意，则重新确定待协商充电参数，或者按照电源适配器的指示修改待协商充电参数。需要说明的是，电源适配器可以根据自身的工作参数，比如电池的温度、电池的电量、当前的工作状态等各种信息，确定待协商充电参数是否合适，本发明实施例对此不作具体限定。
上文结合图1从终端的角度详细描述了本发明实施例的通信方法。下文结合图2，从电源适配器的角度详细描述本发明实施例的通信方法。应理解，电源适配器和终端为充电协商过程中相互交互的两个装置，交互的信息和流程相同或相应，为了简洁，适当省略重复的描述。
图2是本发明实施例的通信方法的示意性流程图。应理解，图2的方法包括：
210、在电源适配器为终端充电前，向终端发送握手信息；
220、电源适配器从终端接收初始充电参数，其中，初始充电参数是终端基于握手信息确定的；
230、电源适配器根据初始充电参数，为终端充电。
本发明实施例中，在电源适配器为终端充电前，终端从电源适配器接收握手信息，并根据握手信息确定初始充电参数，能够有效避免盲目增大电源适配器的电压或电流所带来的手机发热甚至烧坏的现象。
可选地，作为一个实施例，向终端发送握手信息，包括：电源适配器从终端接收握手请求消息；电源适配器向终端发送握手响应消息，握手响应消息包括握手信息。
可选地，作为一个实施例，步骤210可包括：电源适配器从终端接收第 一握手请求消息；电源适配器向终端发送第一握手响应消息，第一握手响应消息包括握手信息中的第一信息，第一信息指示电源适配器支持快速充电模式。
可选地，作为一个实施例，步骤210还可包括：电源适配器从终端接收第二握手请求消息；电源适配器向终端发送第二握手响应消息，第二握手响应消息包括握手信息中的第二信息，第二信息指示电源适配器的型号或标识。
可选地，作为一个实施例，握手信息包括以下信息中的至少一种：电源适配器的型号，电源适配器的标识，电源适配器的工作状态，电源适配器支持的最大输出电压，电源适配器支持的最大输出电流以及电源适配器支持的充电模式。
可选地，作为一个实施例，初始充电参数包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，充电模式包括快速充电模式和普通充电模式。
可选地，作为一个实施例，在电源适配器从终端接收初始充电参数之前，图2的方法还可包括：电源适配器从终端接收协商请求消息，协商请求消息包括待协商充电参数，待协商充电参数是终端基于握手信息确定的；电源适配器根据电源适配器的工作参数，确定是否能按照终端提供的待协商充电参数为终端充电；当电源适配器能按照待协商充电参数为终端充电时，向终端发送协商响应消息，协商响应消息指示终端将待协商充电参数确定为初始充电参数；当电源适配器不能按照待协商充电参数为终端充电时，向终端发送协商响应消息，协商响应消息包括调整参数，指示终端按照调整参数确定初始充电参数。
上文结合图1和图2，详细描述了根据本发明实施例的通信方法，下文结合图3和图6，详细描述根据本发明实施例的终端和电源适配器。
图3是本发明实施例的终端的示意性框图。应理解，图3的终端300能够实现图1-图2中由终端执行的各个步骤，为避免重复，此处不再详述。图3的终端300包括：
第一收发单元310，用于从电源适配器接收充电电流前，从电源适配器接收握手信息；
确定单元320，用于根据接收单元接收的握手信息，确定初始充电参数；
第二收发单元330，用于向确定单元320确定的电源适配器发送初始充电参数，指示电源适配器按照该初始充电参数为终端充电。
本发明实施例中，在电源适配器为终端充电前，终端从电源适配器接收握手信息，并根据握手信息确定初始充电参数，能够有效避免盲目增大电源适配器的电压或电流所带来的手机发热甚至烧坏的现象。
可选地，作为一个实施例，第一收发单元310具体用于向电源适配器发送握手请求消息；从电源适配器接收握手响应消息，握手响应消息包括握手信息。
可选地，作为一个实施例，第一收发单元310具体用于终端向电源适配器发送第一握手请求消息；从电源适配器接收第一握手响应消息，第二握手响应消息包括握手信息中的第一信息，第一信息指示电源适配器支持快速充电模式；确定单元具体用于根据握手信息中的第一信息，确定初始充电参数中的充电模式为快速充电模式。
可选地，作为一个实施例，第一收发单元310还用于向电源适配器发送第二握手信息；从电源适配器接收第二握手响应消息，第二握手响应消息包括握手信息中的第二信息，第二信息指示电源适配器的型号或标识；确定单元具体用于根据握手信息中的第二信息，确定初始充电参数中的充电电压和/或充电电流。
可选地，作为一个实施例，握手信息包括以下信息中的至少一种：电源适配器的型号，电源适配器的标识，电源适配器的工作状态，电源适配器支持的最大输出电压，电源适配器支持的最大输出电流以及电源适配器支持的充电模式。
可选地，作为一个实施例，初始充电参数包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，充电模式包括快速充电模式和普通充电模式。
可选地，作为一个实施例，确定单元320具体用于根据握手信息，确定待协商充电参数，待协商充电参数；向电源适配器发送协商请求消息，协商请求消息包括待协商充电参数；从电源适配器接收基于待协商充电参数确定的协商响应消息；根据协商响应消息，确定初始充电参数。
可选地，作为一个实施例，确定单元320具体用于当协商响应消息指示电源适配器确认待协商充电参数时，终端将待协商充电参数确定为初始充电 参数；当协商响应消息指示电源适配器否认待协商充电参数时，终端基于协商响应消息中的调整参数对待协商充电参数进行调整，并将调整后的待协商充电参数确定为初始充电参数。
图4是本发明实施例的电源适配器的示意性框图。应理解，图4的电源适配器400能够实现图1-图2中由终端执行的各个步骤，为避免重复，此处不再赘述。电源适配器400包括：
第一收发单元410，用于在电源适配器为终端充电前，向终端发送握手信息；
第二收发单元420，用于从终端接收初始充电参数，其中，初始充电参数是终端基于握手信息确定的；
充电单元430，用于根据初始充电参数，为终端充电。
本发明实施例中，在电源适配器为终端充电前，终端从电源适配器接收握手信息，并根据握手信息确定初始充电参数，能够有效避免盲目增大电源适配器的电压或电流所带来的手机发热甚至烧坏的现象。
可选地，作为一个实施例，第一收发单元410具体用于从终端接收握手请求消息；向终端发送握手响应消息，握手响应消息包括握手信息。
可选地，作为一个实施例，第一收发单元410具体用于电源适配器从终端接收第一握手请求消息；向终端发送第一握手响应消息，第一握手响应消息包括握手信息中的第一信息，第一信息指示电源适配器支持快速充电模式。
可选地，作为一个实施例，第一收发单元410还用于从终端接收第二握手请求消息；向终端发送第二握手响应消息，第二握手响应消息包括握手信息中的第二信息，第二信息指示电源适配器的型号或标识。
可选地，作为一个实施例，握手信息包括以下信息中的至少一种：电源适配器的型号，电源适配器的标识，电源适配器的工作状态，电源适配器支持的最大输出电压，电源适配器支持的最大输出电流以及电源适配器支持的充电模式。
可选地，作为一个实施例，初始充电参数包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，充电模式包括快速充电模式和普通充电模式。
可选地，作为一个实施例，电源适配器400还可包括：协商单元，用于 从终端接收协商请求消息，协商请求消息包括待协商充电参数，待协商充电参数是终端基于握手信息确定的；根据电源适配器的工作参数，确定是否能按照终端提供的待协商充电参数为终端充电；当电源适配器能按照待协商充电参数为终端充电时，向终端发送协商响应消息，协商响应消息指示终端将待协商充电参数确定为初始充电参数；当电源适配器不能按照待协商充电参数为终端充电时，向终端发送协商响应消息，协商响应消息包括调整参数，指示终端按照调整参数确定初始充电参数。
图5是本发明实施例的终端的示意性框图。应理解，图5的终端500能够实现图1-图2中由终端执行的各个步骤，为避免重复，此处不再详述。图5的终端500包括：
收发器510，用于从电源适配器接收充电电流前，从电源适配器接收握手信息；
处理器520，用于根据接收单元接收的握手信息，确定初始充电参数；
收发器510还用于向处理器520确定的电源适配器发送初始充电参数，指示电源适配器按照该初始充电参数为终端充电。
本发明实施例中，在电源适配器为终端充电前，终端从电源适配器接收握手信息，并根据握手信息确定初始充电参数，能够有效避免盲目增大电源适配器的电压或电流所带来的手机发热甚至烧坏的现象。
可选地，作为一个实施例，收发器510具体用于向电源适配器发送握手请求消息；从电源适配器接收握手响应消息，握手响应消息包括握手信息。
可选地，作为一个实施例，收发器510具体用于终端向电源适配器发送第一握手请求消息；从电源适配器接收第一握手响应消息，第二握手响应消息包括握手信息中的第一信息，第一信息指示电源适配器支持快速充电模式；确定单元具体用于根据握手信息中的第一信息，确定初始充电参数中的充电模式为快速充电模式。
可选地，作为一个实施例，收发器510还用于向电源适配器发送第二握手信息；从电源适配器接收第二握手响应消息，第二握手响应消息包括握手信息中的第二信息，第二信息指示电源适配器的型号或标识；确定单元具体用于根据握手信息中的第二信息，确定初始充电参数中的充电电压和/或充电电流。
可选地，作为一个实施例，握手信息包括以下信息中的至少一种：电源 适配器的型号，电源适配器的标识，电源适配器的工作状态，电源适配器支持的最大输出电压，电源适配器支持的最大输出电流以及电源适配器支持的充电模式。
可选地，作为一个实施例，初始充电参数包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，充电模式包括快速充电模式和普通充电模式。
可选地，作为一个实施例，处理器520具体用于根据握手信息，确定待协商充电参数，待协商充电参数；向电源适配器发送协商请求消息，协商请求消息包括待协商充电参数；从电源适配器接收基于待协商充电参数确定的协商响应消息；根据协商响应消息，确定初始充电参数。
可选地，作为一个实施例，处理器520具体用于当协商响应消息指示电源适配器确认待协商充电参数时，终端将待协商充电参数确定为初始充电参数；当协商响应消息指示电源适配器否认待协商充电参数时，终端基于协商响应消息中的调整参数对待协商充电参数进行调整，并将调整后的待协商充电参数确定为初始充电参数。
图6是本发明实施例的电源适配器的示意性框图。应理解，图6的电源适配器600能够实现图1-图2中由终端执行的各个步骤，为避免重复，此处不再赘述。电源适配器600包括：
收发器610，用于在电源适配器为终端充电前，向终端发送握手信息；从终端接收初始充电参数，其中，初始充电参数是终端基于握手信息确定的；
充电器620，用于根据初始充电参数，为终端充电。
本发明实施例中，在电源适配器为终端充电前，终端从电源适配器接收握手信息，并根据握手信息确定初始充电参数，能够有效避免盲目增大电源适配器的电压或电流所带来的手机发热甚至烧坏的现象。
可选地，作为一个实施例，收发器610具体用于从终端接收握手请求消息；向终端发送握手响应消息，握手响应消息包括握手信息。
可选地，作为一个实施例，收发器610具体用于电源适配器从终端接收第一握手请求消息；向终端发送第一握手响应消息，第一握手响应消息包括握手信息中的第一信息，第一信息指示电源适配器支持快速充电模式。
可选地，作为一个实施例，收发器610还用于从终端接收第二握手请求消息；向终端发送第二握手响应消息，第二握手响应消息包括握手信息中的 第二信息，第二信息指示电源适配器的型号或标识。
可选地，作为一个实施例，握手信息包括以下信息中的至少一种：电源适配器的型号，电源适配器的标识，电源适配器的工作状态，电源适配器支持的最大输出电压，电源适配器支持的最大输出电流以及电源适配器支持的充电模式。
可选地，作为一个实施例，初始充电参数包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，充电模式包括快速充电模式和普通充电模式。
可选地，作为一个实施例，电源适配器600还可包括：处理器，用于从终端接收协商请求消息，协商请求消息包括待协商充电参数，待协商充电参数是终端基于握手信息确定的；根据电源适配器的工作参数，确定是否能按照终端提供的待协商充电参数为终端充电；当电源适配器能按照待协商充电参数为终端充电时，向终端发送协商响应消息，协商响应消息指示终端将待协商充电参数确定为初始充电参数；当电源适配器不能按照待协商充电参数为终端充电时，向终端发送协商响应消息，协商响应消息包括调整参数，指示终端按照调整参数确定初始充电参数。
应理解，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
应理解，在本发明的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本发明实施例的实施过程构成任何限定。
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以所述权利要求的保护范围为准。

Claims (30)

  1. 一种通信方法，其特征在于，包括：
    终端从电源适配器接收充电电流前，从所述电源适配器接收握手信息；
    所述终端根据所述握手信息，确定初始充电参数；
    所述终端向所述电源适配器发送所述初始充电参数，指示所述电源适配器按照该初始充电参数为所述终端充电。
  2. 如权利要求1所述的方法，其特征在于，所述从所述电源适配器接收握手信息，包括：
    所述终端向所述电源适配器发送握手请求消息；
    所述终端从所述电源适配器接收握手响应消息，所述握手响应消息包括所述握手信息。
  3. 如权利要求1所述的方法，其特征在于，所述从所述电源适配器接收握手信息，包括：
    所述终端向所述电源适配器发送第一握手请求消息；
    所述终端从所述电源适配器接收第一握手响应消息，所述第二握手响应消息包括所述握手信息中的第一信息，所述第一信息指示所述电源适配器支持快速充电模式；
    所述终端根据所述握手信息，确定初始充电参数，包括：
    所述终端根据所述握手信息中的第一信息，确定所述初始充电参数中的充电模式为快速充电模式。
  4. 如权利要求3所述的方法，其特征在于，所述从所述电源适配器接收握手信息，还包括：
    所述终端向所述电源适配器发送第二握手信息；
    所述终端从所述电源适配器接收第二握手响应消息，所述第二握手响应消息包括所述握手信息中的第二信息，所述第二信息指示所述电源适配器的型号或标识；
    所述终端根据所述握手信息，确定初始充电参数，还包括：
    所述终端根据所述握手信息中的第二信息，确定所述初始充电参数中的充电电压和/或充电电流。
  5. 如权利要求1-4中任一项所述的方法，其特征在于，所述握手信息包括以下信息中的至少一种：所述电源适配器的型号，所述电源适配器的标 识，所述电源适配器的工作状态，所述电源适配器支持的最大输出电压，所述电源适配器支持的最大输出电流以及所述电源适配器支持的充电模式。
  6. 如权利要求1-5中任一项所述的方法，其特征在于，所述初始充电参数包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，所述充电模式包括快速充电模式和普通充电模式。
  7. 如权利要求1-6中任一项所述的方法，其特征在于，所述终端根据所述握手信息，确定初始充电参数，包括：
    所述终端根据所述握手信息，确定待协商充电参数，所述待协商充电参数；
    所述终端向所述电源适配器发送协商请求消息，所述协商请求消息包括所述待协商充电参数；
    所述终端从所述电源适配器接收基于所述待协商充电参数确定的协商响应消息；
    所述终端根据所述协商响应消息，确定所述初始充电参数。
  8. 如权利要求7所述的方法，其特征在于，所述终端根据所述协商响应消息，确定所述初始充电参数，包括：
    当所述协商响应消息指示所述电源适配器确认所述待协商充电参数时，所述终端将所述待协商充电参数确定为所述初始充电参数；
    当所述协商响应消息指示所述电源适配器否认所述待协商充电参数时，所述终端基于所述协商响应消息中的调整参数对所述待协商充电参数进行调整，并将调整后的所述待协商充电参数确定为所述初始充电参数。
  9. 一种通信方法，其特征在于，包括：
    在电源适配器为终端充电前，向所述终端发送握手信息；
    所述电源适配器从所述终端接收初始充电参数，其中，所述初始充电参数是所述终端基于所述握手信息确定的；
    所述电源适配器根据所述初始充电参数，为所述终端充电。
  10. 如权利要求9所述的方法，其特征在于，所述向所述终端发送握手信息，包括：
    所述电源适配器从所述终端接收握手请求消息；
    所述电源适配器向所述终端发送握手响应消息，所述握手响应消息包括所述握手信息。
  11. 如权利要求9所述的方法，其特征在于，所述向所述终端发送握手信息，包括：
    所述电源适配器从所述终端接收第一握手请求消息；
    所述电源适配器向所述终端发送第一握手响应消息，所述第一握手响应消息包括所述握手信息中的第一信息，所述第一信息指示所述电源适配器支持快速充电模式。
  12. 如权利要求11所述的方法，其特征在于，所述向所述终端发送握手信息，还包括：
    所述电源适配器从所述终端接收第二握手请求消息；
    所述电源适配器向所述终端发送第二握手响应消息，所述第二握手响应消息包括所述握手信息中的第二信息，所述第二信息指示所述电源适配器的型号或标识。
  13. 如权利要求9-12中任一项所述的方法，其特征在于，所述握手信息包括以下信息中的至少一种：所述电源适配器的型号，所述电源适配器的标识，所述电源适配器的工作状态，所述电源适配器支持的最大输出电压，所述电源适配器支持的最大输出电流以及所述电源适配器支持的充电模式。
  14. 如权利要求9-13中任一项所述的方法，其特征在于，所述初始充电参数包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，所述充电模式包括快速充电模式和普通充电模式。
  15. 如权利要求9-14中任一项所述的方法，其特征在于，在所述电源适配器从所述终端接收初始充电参数之前，所述方法还包括：
    所述电源适配器从所述终端接收协商请求消息，所述协商请求消息包括待协商充电参数，所述待协商充电参数是所述终端基于所述握手信息确定的；
    所述电源适配器根据所述电源适配器的工作参数，确定是否能按照所述终端提供的所述待协商充电参数为所述终端充电；
    当所述电源适配器能按照所述待协商充电参数为所述终端充电时，向所述终端发送协商响应消息，所述协商响应消息指示所述终端将所述待协商充电参数确定为所述初始充电参数；
    当所述电源适配器不能按照所述待协商充电参数为所述终端充电时，向所述终端发送协商响应消息，所述协商响应消息包括调整参数，指示所述终 端按照所述调整参数确定所述初始充电参数。
  16. 一种终端，其特征在于，包括：
    第一收发单元，用于从电源适配器接收充电电流前，从所述电源适配器接收握手信息；
    确定单元，用于根据所述接收单元接收的所述握手信息，确定初始充电参数；
    第二收发单元，用于向所述确定单元确定的所述电源适配器发送所述初始充电参数，指示所述电源适配器按照该初始充电参数为所述终端充电。
  17. 如权利要求16所述的终端，其特征在于，所述第一收发单元具体用于向所述电源适配器发送握手请求消息；从所述电源适配器接收握手响应消息，所述握手响应消息包括所述握手信息。
  18. 如权利要求16所述的终端，其特征在于，所述第一收发单元具体用于所述终端向所述电源适配器发送第一握手请求消息；从所述电源适配器接收第一握手响应消息，所述第二握手响应消息包括所述握手信息中的第一信息，所述第一信息指示所述电源适配器支持快速充电模式；所述确定单元具体用于根据所述握手信息中的第一信息，确定所述初始充电参数中的充电模式为快速充电模式。
  19. 如权利要求18所述的终端，其特征在于，所述第一收发单元还用于向所述电源适配器发送第二握手信息；从所述电源适配器接收第二握手响应消息，所述第二握手响应消息包括所述握手信息中的第二信息，所述第二信息指示所述电源适配器的型号或标识；所述确定单元具体用于根据所述握手信息中的第二信息，确定所述初始充电参数中的充电电压和/或充电电流。
  20. 如权利要求16-19中任一项所述的终端，其特征在于，所述握手信息包括以下信息中的至少一种：所述电源适配器的型号，所述电源适配器的标识，所述电源适配器的工作状态，所述电源适配器支持的最大输出电压，所述电源适配器支持的最大输出电流以及所述电源适配器支持的充电模式。
  21. 如权利要求16-20中任一项所述的终端，其特征在于，所述初始充电参数包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，所述充电模式包括快速充电模式和普通充电模式。
  22. 如权利要求16-21中任一项所述的终端，其特征在于，所述确定单元具体用于根据所述握手信息，确定待协商充电参数，所述待协商充电参数； 向所述电源适配器发送协商请求消息，所述协商请求消息包括所述待协商充电参数；从所述电源适配器接收基于所述待协商充电参数确定的协商响应消息；根据所述协商响应消息，确定所述初始充电参数。
  23. 如权利要求22所述的终端，其特征在于，所述确定单元具体用于当所述协商响应消息指示所述电源适配器确认所述待协商充电参数时，所述终端将所述待协商充电参数确定为所述初始充电参数；当所述协商响应消息指示所述电源适配器否认所述待协商充电参数时，所述终端基于所述协商响应消息中的调整参数对所述待协商充电参数进行调整，并将调整后的所述待协商充电参数确定为所述初始充电参数。
  24. 一种电源适配器，其特征在于，包括：
    第一收发单元，用于在电源适配器为终端充电前，向所述终端发送握手信息；
    第二收发单元，用于从所述终端接收初始充电参数，其中，所述初始充电参数是所述终端基于所述握手信息确定的；
    充电单元，用于根据所述初始充电参数，为所述终端充电。
  25. 如权利要求24所述的电源适配器，其特征在于，所述第一收发单元具体用于从所述终端接收握手请求消息；向所述终端发送握手响应消息，所述握手响应消息包括所述握手信息。
  26. 如权利要求24所述的电源适配器，其特征在于，所述第一收发单元具体用于所述电源适配器从所述终端接收第一握手请求消息；向所述终端发送第一握手响应消息，所述第一握手响应消息包括所述握手信息中的第一信息，所述第一信息指示所述电源适配器支持快速充电模式。
  27. 如权利要求26所述的电源适配器，其特征在于，所述第一收发单元还用于从所述终端接收第二握手请求消息；向所述终端发送第二握手响应消息，所述第二握手响应消息包括所述握手信息中的第二信息，所述第二信息指示所述电源适配器的型号或标识。
  28. 如权利要求24-27中任一项所述的电源适配器，其特征在于，所述握手信息包括以下信息中的至少一种：所述电源适配器的型号，所述电源适配器的标识，所述电源适配器的工作状态，所述电源适配器支持的最大输出电压，所述电源适配器支持的最大输出电流以及所述电源适配器支持的充电模式。
  29. 如权利要求24-28中任一项所述的电源适配器，其特征在于，所述初始充电参数包括以下参数中的至少一种：充电模式、充电电压和充电电流，其中，所述充电模式包括快速充电模式和普通充电模式。
  30. 如权利要求24-29中任一项所述的电源适配器，其特征在于，所述电源适配器还包括：
    协商单元，用于从所述终端接收协商请求消息，所述协商请求消息包括待协商充电参数，所述待协商充电参数是所述终端基于所述握手信息确定的；根据所述电源适配器的工作参数，确定是否能按照所述终端提供的所述待协商充电参数为所述终端充电；当所述电源适配器能按照所述待协商充电参数为所述终端充电时，向所述终端发送协商响应消息，所述协商响应消息指示所述终端将所述待协商充电参数确定为所述初始充电参数；当所述电源适配器不能按照所述待协商充电参数为所述终端充电时，向所述终端发送协商响应消息，所述协商响应消息包括调整参数，指示所述终端按照所述调整参数确定所述初始充电参数。
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