Mobile terminal, master data communication device and mobile terminal charging system and method

• US 20150256018A1
• Filed: 08/01/2013
• Published: 09/10/2015
• Est. Priority Date: 09/19/2012
• Status: Active Grant

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: Wei, Jianbin, Sun, Kejun
• Granted Patent: US 9,899,854 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H01M 10/44 Methods for charging or discharging circuits for charging H02J7/00
• CPC Class Codes: H01M 2010/4278 Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
• CPC Class Codes: H01M 2220/30 Batteries in portable systems, e.g. mobile phone, laptop
• CPC Class Codes: H02J 13/00004 characterised by the power network being locally controlled
• CPC Class Codes: H02J 13/00024 by means of mobile telephony
• CPC Class Codes: H02J 2207/40 adapted for charging from various sources, e.g. AC, DC or multivoltage
• CPC Class Codes: H02J 2310/14 The load or loads being home appliances
• CPC Class Codes: H02J 2310/66 one of the loads acting as master and the other or others acting as slaves
• CPC Class Codes: H02J 3/14 by switching loads on to, or off from, network, e.g. progressively balanced loading
• CPC Class Codes: H02J 7/00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• CPC Class Codes: H04M 1/72409 by interfacing with external accessories hands-free H04M1/60
• CPC Class Codes: Y02B 40/00 Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
• CPC Class Codes: Y02B 90/20 Smart grids as enabling technology in buildings sector smart grids supporting the management or operation of end-user stationary applications in general, or like technologies with no associated climate change mitigation effect Y04S20/00
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y04S 40/126 using wireless data transmission

Abstract

A mobile terminal, a master data communication device and a mobile terminal charging system and method are provided. The method includes that: a mobile terminal determines whether or not a power supply device is a master data communication device and, if so, determines an appropriate charging mode for charging the mobile terminal. The disclosure not only enables a mobile terminal to select a plurality of adjustable charging modes to charge the mobile terminal but also enables the terminal to select a most appropriate charging mode to charging the mobile terminal, thus improving the charging efficiency.

Claims

1. A mobile terminal comprising a first interface unit, a first identification unit, a command receiving unit and a charging management unit, wherein

the first interface unit is configured to be connected with a power supply device to transfer interaction information between the mobile terminal and the power supply device;

the first identification unit is configured to identify whether or not the power supply device is a master data communication device;

the command receiving unit is configured to receive a charging command from the power supply device when an identification result is that the power supply device is a master data communication device; and

the charging management unit is configured to select an adjustable charging mode for charging according to the charging command.

2. The mobile terminal according to claim 1, wherein the charging command received by the command receiving unit is one of a standard charging command, a first charging command and a second charging command;

and the adjustable charging mode selected by the charging management unit is one of a standard charging mode, a first charging mode and a second charging mode, wherein the standard charging mode, the first charging mode and the second charging mode are corresponding to the standard charging command, the first charging command and the second charging command, respectively.

3. The mobile terminal according to claim 2, wherein a working current in the standard charging mode is 500 mA, a working current in the first charging mode is 800 mA, and a working current in the second charging mode is 1000 mA or 1500 mA.

4. The mobile terminal according to claim 1, further comprising a first mode selection unit configured to select a corresponding adjustable charging mode needed by the mobile terminal and send a corresponding charging command request to the power supply device.

5. The mobile terminal according to claim 1, wherein the first interface unit is a Universal Series Bus (USB) interface unit.

6. A master data communication device comprising a second interface unit and a command generation unit, wherein

the second interface unit is configured to be connected with a mobile terminal to transfer interaction information between the master data communication device and the mobile terminal;

and

the command generation unit is configured to generate a charging command and send the generated charging command to the mobile terminal via the second interface unit.

7. The master data communication device according to claim 6, further comprising a second identification unit configured to identify whether or not the mobile terminal supports adjustable charging modes.

8. The master data communication device according to claim 6, wherein the command generation unit is configured to automatically generate a charging command corresponding to a maximum working current available in adjustable charging modes supported by the mobile terminal.

9. The master data communication device according to claim 6, further comprising a second mode selection unit configured to select an adjustable charging mode needed by the mobile terminal, and accordingly, the command generation unit is configured to generate a corresponding charging command according to the adjustable charging mode selected by the second mode selection unit;

or the command generation unit is configured to generate a corresponding charging command based on a charging command request received from the mobile terminal.

10. A mobile terminal charging system comprising a master data communication device and a mobile terminal, wherein

the master data communication device is connected with the mobile terminal;

the master data communication device is configured to send a charging command to the mobile terminal; and

the mobile terminal is configured to receive the charging command from the master data communication device and select an adjustable charging mode corresponding to the charging command so as to be charged.

11. The mobile terminal charging system according to claim 10, wherein the master data communication device is further configured to determine whether or not the mobile terminal supports adjustable charging modes.

12. The mobile terminal charging system according to claim 10, wherein the charging command sent by the master data communication device is one of a standard charging command, a first charging command and a second charging command;

and the adjustable charging mode selected by the mobile terminal is one of a standard charging mode, a first charging mode and a second charging mode, wherein the standard charging mode, the first charging mode and the second charging mode are corresponding to the standard charging command, the first charging command and the second charging command, respectively.

13. The mobile terminal charging system according to claim 12, wherein a working current in the standard charging mode is 500 mA, a working current in the first charging mode is 800 mA, and a working current in the second charging mode is 1000 mA or 1500 mA.

14. The mobile terminal charging system according to claim 10, wherein the master data communication device sends a corresponding charging command according to a charging command request corresponding to the adjustable charging mode selected by the mobile terminal, or sends a corresponding charging command according to the adjustable charging mode selected by the master data communication device for the mobile terminal, or automatically generates a charging command corresponding to a maximum working current available in adjustable charging modes supported by the mobile terminal and sends the generated charging command.

15. A mobile terminal charging method, comprising:

connecting a mobile terminal with a master data communication device;

sending, by the master data communication device, a corresponding charging command to the mobile terminal; and

selecting, by the mobile terminal, a corresponding charging mode according to the corresponding charging command to charge the mobile terminal.

16. The mobile terminal charging method according to claim 15, wherein before the master data communication device sends the corresponding charging command to the mobile terminal, the method further comprising:

determining, by the master data communication device, whether or not the mobile terminal supports adjustable charging modes; and

sending, by the master data communication device, the corresponding charging command to the mobile terminal after the master data communication device determines that the mobile terminal supports adjustable charging modes.

17. The mobile terminal charging method according to claim 16, wherein the sending, by the master data communication device, a corresponding charging command to the mobile terminal comprises:

selecting, by the mobile terminal, an adjustable charging mode needed and sending, by the mobile terminal, a charging command request corresponding to the selected adjustable charging mode to the master data communication device; and

sending, by the master data communication device, the corresponding charging command to the mobile terminal according to the charging command request.

18. The mobile terminal charging method according to claim 16, wherein the sending, by the master data communication device, a corresponding charging command to the mobile terminal comprises:

selecting, by the master data communication device, an adjustable charging mode for the mobile terminal, generating, by the master data communication device, the corresponding charging command according to the selected adjustable charging mode, and sending, by the master data communication device, the generated charging command to the mobile terminal;

or

automatically generating, by the master data communication device, a charging command corresponding to a maximum working current available in adjustable charging modes supported by the mobile terminal and sending, by the master data communication device, the generated charging command to the mobile terminal.

19. The mobile terminal charging method according to claim 15, wherein the charging command sent by the master data communication device is one of a standard charging command, a first charging command and a second charging command;

and the adjustable charging mode selected by the mobile terminal is one of a standard charging mode, a first charging mode and a second charging mode, wherein the standard charging mode, the first charging mode and the second charging mode are corresponding to the standard charging command, the first charging command and the second charging command, respectively.

20. The mobile terminal charging method according to claim 19, wherein a working current in the standard charging mode is 500 mA, a working current in the first charging mode is 800 mA, and a working current in the second charging mode is 1000 mA or 1500 mA.