COMMUNICATION METHOD, POWER ADAPTOR AND TERMINAL

• US 20170244265A1
• Filed: 11/11/2014
• Published: 08/24/2017
• Est. Priority Date: 11/11/2014
• Status: Abandoned Application

• Current Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Original Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Inventors: Zhang, Jialiang
• Application Number:
  US15/311,463
• Publication Number:
  US 20170244265A1
• Time in Patent Office: Days
• CPC Class Codes: H01M 10/44 Methods for charging or discharging circuits for charging H02J7/00
• CPC Class Codes: H01M 10/486 for measuring temperature
• CPC Class Codes: H01M 2220/30 Batteries in portable systems, e.g. mobile phone, laptop
• CPC Class Codes: H02J 7/00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
• CPC Class Codes: H02J 7/00045 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
• CPC Class Codes: H02J 7/0034 using reverse polarity correcting or protecting circuits mechanical means of polarity protection H02J7/0045
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence
• CPC Class Codes: H02J 7/007 Regulation of charging or discharging current or voltage
• CPC Class Codes: H02J 7/04 Regulation of charging current or voltage
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

The present disclosure provides a communication method, a power adaptor and a terminal. The method includes: before a power adaptor charges a terminal, receiving handshake information from the terminal; determining, by the power adaptor, an initial charging parameter according to the handshake information; and charging, by the power adaptor, the terminal according to the initial charging parameter. In embodiments of the present disclosure, before a power adaptor charges a terminal, the power adaptor receives handshake information from the terminal, and determines an initial charging parameter according to the handshake information, which can effectively avoid a phenomenon of the heating and even burnout of a mobile phone due to the fact that the voltage or current of the power adaptor is blindly increased.

Claims

1. A communication method, comprising:

receiving handshake information from a terminal before a power adapter charges the terminal;

determining, by the power adapter, an initial charging parameter according to the handshake information; and

charging, by the power adapter, the terminal according to the initial charging parameter.

2. The method according to claim 1, wherein, receiving handshake information from the terminal comprises:

sending, by the power adapter, a handshake request message to the terminal; and

receiving, by the power adapter, a handshake response message from the terminal, in which the handshake response message comprises the handshake information.

3. The method according to claim 1, wherein,

receiving handshake information from the terminal comprises:

sending, by the power adapter, a first handshake request message to the terminal; and

receiving, by the power adapter, a first handshake response message from the terminal, in which the first handshake response message comprises first information in the handshake information, and the first information indicates that the terminal supports a quick charging mode,

determining, by the power adapter, an initial charging parameter according to the handshake information comprises;

determining, by the power adapter, a charging mode in the initial charging parameter as the quick charging mode, according to the first information in the handshake information.

4. The method according to claim 3, wherein,

receiving handshake information from the terminal further comprises:

sending, by the power adapter, a second handshake request message to the terminal; and

receiving, by the power adapter, a second handshake response message from the terminal, in which the second handshake response message comprises second information in the handshake information, and the second information indicates a type or a model of the terminal;

determining, by the power adapter, an initial charging parameter according to the handshake information further comprises;

determining, by the power adapter, a charging voltage and/or a charging current in the initial charging parameter according to the second information in the handshake information.

5. The method according to claim 1, wherein, the handshake information comprises at least one of:

a model of the terminal, an identification of the terminal, a temperature of a battery in the terminal, a maximum charging voltage supported by the terminal, a maximum charging current supported by the terminal and a charging mode supported by the terminal.

6. The method according to claim 1, wherein, the initial charging parameter comprises at least one of:

a charging mode, a charging voltage and a charging current, in which the charging mode comprises a quick charging mode and a conventional charging mode.

7. The method according to claim 1, wherein, determining, by the power adapter, an initial charging parameter according to the handshake information comprises:

determining, by the power adapter, a charging parameter to be negotiated according to the handshake information;

sending, by the power adapter, a negotiation request message to the terminal, in which the negotiation request message comprises the charging parameter to be negotiated;

receiving, by the power adapter, a negotiation response message from the terminal, in which the negotiation response message is generated by the terminal based on the charging parameter to be negotiated; and

determining, by the power adapter, the initial charging parameter of the terminal according to the negotiation response message.

8. The method according to claim 7, wherein, determining, by the power adapter, the initial charging parameter of the terminal according to the negotiation response message comprises:

determining, by the power adapter, the charging parameter to be negotiated as the initial charging parameter, if the negotiation response message indicates that the charging parameter to be negotiated is confirmed by the terminal;

adjusting, by the power adapter, the charging parameter to be negotiated based on an adjustment parameter in the negotiation response message and determining, by the power adapter, an adjusted charging parameter as the initial charging parameter, if the negotiation response message indicates that the charging parameter to be negotiated is denied by the terminal.

9-15. -15. (canceled)

16. A power adapter, comprising:

a transceiver, configured to receive handshake information from a terminal before the terminal is charged by the power adapter;

a processor, configured to determine an initial charging parameter according to the handshake information received by the transmitting-receiving unit; and

a charger, configured to charge the terminal according to the initial charging parameter determined by the determining unit.

17. The power adapter according to claim 16, wherein, the transceiver is configured to send a handshake request message to the terminal, and to receive a handshake response message from the terminal, in which the handshake response message comprises the handshake information.

18. The power adapter according to claim 16, wherein,

the transceiver is specifically configured to send a first handshake request message to the terminal, and to receive a first handshake response message from the terminal, in which the first handshake response message comprises first information in the handshake information, and the first information indicates that the terminal supports a quick charging mode;

the processor is configured to determine a charging mode in the initial charging parameter as the quick charging mode, according to the first information in the handshake information.

19. The power adapter according to claim 18, wherein,

the transceiver is further configured to send a second handshake request message to the terminal, and to receive a second handshake response message from the terminal, in which the second handshake response message comprises second information in the handshake information, and the second information indicates a type or a model of the terminal;

the processor is further 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.

20. The power adapter according to claim 16, wherein, the handshake information comprises at least one of:

a model of the terminal, an identification of the terminal, a temperature of a battery in the terminal, a maximum charging voltage supported by the terminal, a maximum charging current supported by the terminal and a charging mode supported by the terminal.

21. The power adapter according to claim 16, wherein, the initial charging parameter comprises at least one of:

a charging mode, a charging voltage and a charging current, in which the charging mode comprises a quick charging mode and a conventional charging mode.

22. The power adapter according to claim 16, wherein, the processor is configured to:

determine a charging parameter to be negotiated according to the handshake information;

send a negotiation request message to the terminal, in which the negotiation request message comprises the charging parameter to be negotiated;

receive a negotiation response message from the terminal, in which the negotiation response message is generated by the terminal based on the charging parameter to be negotiated; and

determine the initial charging parameter of the terminal according to the negotiation response message.

23. The power adapter according to claim 22, wherein, the processor is configured to:

determine the charging parameter to be negotiated as the initial charging parameter, if the negotiation response message indicates that the charging parameter to be negotiated is confirmed by the terminal; and

adjust the charging parameter to be negotiated based on an adjustment parameter in the negotiation response message and determine an adjusted charging parameter as the initial charging parameter, if the negotiation response message indicates that the charging parameter to be negotiated is denied by the terminal.

24. A terminal, comprising:

a transceiver, configured to send handshake information to a power adapter before receiving a charging current from the power adapter, wherein the handshake information is used by the power adapter to determine an initial charging parameter; and

a charger, configured to receive the charging current outputted by the power adapter according to the initial charging parameter.

25. The terminal according to claim 24, wherein, the transceiver is configured to:

receive a handshake request message from the power adapter; and

send a handshake response message to the power adapter, in which the handshake response message comprises the handshake information.

26. The terminal according to claim 24, wherein, the transceiver is configured to:

receive a first handshake request message from the power adapter; and

send a first handshake response message to the power adapter, in which the first handshake response message comprises first information in the handshake information, and the first information indicates that the terminal supports a quick charging mode.

27. The terminal according to claim 26, wherein, the transceiver is further configured to:

receive a second handshake request message from the power adapter; and

send a second handshake response message to the power adapter, in which the second handshake response message comprises second information in the handshake information, and the second information indicates a type or a model of the terminal.

28. The terminal according to claim 24, wherein, the handshake information comprises at least one of:

a model of the terminal, an identification of the terminal, a temperature of a battery in the terminal, a maximum charging voltage supported by the terminal, a maximum charging current supported by the terminal and a charging mode supported by the terminal.

29. The terminal according to claim 24, wherein, the initial charging parameter comprises at least one of:

a charging mode, a charging voltage and a charging current, in which the charging mode comprises a quick charging mode and a conventional charging mode.

30. The terminal according to claim 24, further comprising a processor, configured to:

receive a charging parameter to be negotiated from the power adapter, in which the charging parameter to be negotiated is determined by the power adapter based on the handshake information;

determine according to a working parameter of the terminal whether the terminal can be charged by the power adapter according to the charging parameter to be negotiated provided by the power adapter;

if the terminal cannot be charged by the power adapter according to the charging parameter to be negotiated, send a negotiation response message to the power adapter, in which the negotiation response message instructs the power adapter to determine the charging parameter to be negotiated as the initial charging parameter;

if the terminal cannot be charged by the power adapter according to the charging parameter to be negotiated, send a negotiation response message to the power adapter, in which the negotiation response message comprises an adjustment parameter and instructs the power adapter to determine the initial charging parameter according to the adjustment parameter.