Charging control method, device, and charging cable

• US 10,424,960 B2
• Filed: 12/07/2016
• Issued: 09/24/2019
• Est. Priority Date: 03/27/2015
• Status: Active Grant

• Current Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Original Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Inventors: Zhang, Jialiang
• Primary Examiner(s): Pacheco, Alexis B
• Application Number:
  US15/371,390
• Publication Number:
  US 20170085100A1
• Time in Patent Office: 1,021 Days
• Field of Search: 320107, 320108, 320109, 320110, 320134, 320135, 320136, 320137
• CPC Class Codes: G01K 13/00 Thermometers specially adapted for specific purposes
• CPC Class Codes: H02J 7/00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• CPC Class Codes: H02J 7/0036 using connection detecting circuits H02J7/0034 takes precedence
• CPC Class Codes: H02J 7/007192 in response to temperature
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

The present disclosure provides a charging control method, a charging control device, and a charging cable. The charging control method can be performed in a charging cable through which a power adapter can perform charging on an electronic equipment, and includes: determining temperature of a charging interface, the charging interface includes at least one of the following interfaces: an interface of the power adapter used for electrical connection with the charging cable, an interface of the charging cable used for electrical connection with the power adapter, an interface of the charging cable used for electrical connection with the electronic equipment, and an interface of the electronic equipment used for electrical connection with the charging cable, and controlling charging for the electronic equipment according to the temperature of the charging interface.

Claims

1. A method for charging control of a charging cable through which a power adapter can perform charging on an electronic equipment, comprising:

determining temperature of a charging interface; and

controlling charging for the electronic equipment according to the temperature of the charging interface, wherein the charging interface comprises at least one of the following interfaces;

an interface of the power adapter used for electrical connection with the charging cable, an interface of the charging cable used for electrical connection with the power adapter, an interface of the charging cable used for electrical connection with the electronic equipment, and an interface of the electronic equipment used for electrical connection with the charging cable, wherein at least one of the interface of the charging cable is provided with at least one first temperature measuring component and at least one contact sheet, the at least one first temperature measuring component is configured to measure temperature of a corresponding contact sheet in the at least one contact sheet and is arranged on the same thermal conductive substrate as the corresponding contact sheet.

2. The method of claim 1, wherein the charging interface comprises the interface of the charging cable used for electrical connection with the power adapter or the interface of the charging cable used for electrical connection with the electronic equipment, and determining the temperature of the charging interface comprises:

determining the temperature of the charging interface through the at least one first temperature measuring component.

3. The method of claim 2, wherein the determining the temperature of the charging interface through the at least one first temperature measuring component comprises:

measuring temperature of the at least one contact sheet through the at least one first temperature measuring component, the at least one first temperature measuring component corresponding to the at least one contact sheet separately, the contact sheet being configured to transfer charging current; and

determining the temperature of the charging interface according to the temperature of the at least one contact sheet.

4. The method of claim 3, wherein each of the at least one first temperature measuring component and the corresponding contact sheet thereof are spaced at a preset interval.

5. The method of claim 4, wherein there is an insulating thermal conductive layer arranged between the first temperature measuring component and the thermal conductive substrate;

or, the insulating thermal conductive layer is arranged between the corresponding contact sheet of the first temperature measuring component and the thermal conductive substrate.

6. The method of claim 1, wherein controlling charging for the electronic equipment according to the temperature of the charging interface comprises at least one of:

transmitting information used to indicate the temperature of the charging interface to the power adapter or the electronic equipment; and

forbidding charging current to be transmitted to the electronic equipment when the temperature of the charging interface is greater than or equal to a preset temperature threshold.

7. The method of claim 1, wherein the charging interface comprises the interface of the power adapter used for electrical connection with the charging cable, and determining temperature of a charging interface comprises:

receiving first temperature indicating information transmitted from the power adapter, the first temperature indicating information being used to indicate the temperature of the charging interface measured by a second temperature measuring component arranged in the interface of the power adapter; and

determining the temperature of the charging interface according to the first temperature indicating information.

8. The method of claim 1, wherein the charging interface comprises the interface of the electronic equipment used for electrical connection with the charging cable, and determining the temperature of the charging interface comprises:

receiving temperature indicating information transmitted from the electronic equipment, the temperature indicating information being used to indicate the temperature of the charging interface measured through a temperature measuring component arranged in the interface of the electronic equipment; and

determining the temperature of the charging interface according to the temperature indicating information.