Charging cable and charging control device

• US 10,559,969 B2
• Filed: 08/12/2019
• Issued: 02/11/2020
• 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:
  US16/538,399
• Publication Number:
  US 20190363548A1
• Time in Patent Office: 183 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

A charging cable includes a first interface, configured to connect to a power adapter electronically; and/or a second interface, configured to connect to an electronic equipment electronically; at least one of the first interface and the second interface comprising: a contact sheet; and a first temperature measuring component, configured to measure temperature of the contact sheet, and arranged on the same thermal conductive substrate as the contact sheet. The charging cable further includes a controller, configured to determine temperature of a charging interface and control 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, the first interface, the second interface, and an interface of the electronic equipment used for electrical connection with the charging cable.

Claims

1. A charging cable, comprising:

at least one of;

a first interface, configured to connect to a power adapter electronically;

or

a second interface, configured to connect to an electronic equipment electronically, wherein the at least one of the first interface or the second interface comprises;

a contact sheet; and

a first temperature measuring component, configured to measure temperature of the contact sheet, and arranged on the same thermal conductive substrate as the contact sheet; and

a controller, configured to determine temperature of a charging interface and control 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, the first interface, the second interface, and an interface of the electronic equipment used for electrical connection with the charging cable.

2. The charging cable of claim 1, wherein

the charging interface comprises the first interface or the second interface;

and

the controller is configured to determine the temperature of the charging interface through the first temperature measuring component.

3. The charging cable of claim 1, wherein

the contact sheet is implemented in the form of a plurality of contact sheets, and the first temperature measuring component is implemented in the form of a plurality of temperature measuring components;

the plurality of temperature measuring components correspond to the plurality of contact sheets respectively and each of the plurality of temperature measuring components is configured to measure temperature of a corresponding contact sheet respectively; and

the controller is configured to determine the temperature of the charging interface according to the temperature of the plurality of contact sheets.

4. The charging cable of claim 1, wherein the first temperature measuring component and the contact sheet thereof are spaced at a preset interval.

5. The charging cable of claim 4, further comprising 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 contact sheet and the thermal conductive substrate.

6. The charging cable of claim 1, wherein

the charging cable further comprises a transmitter, configured to transmit information indicative of the temperature of the charging interface to the power adapter or the electronic equipment, and wherein

the controller is further configured to control transmission of the transmitter.

7. The charging cable of claim 1, wherein

the charging cable further comprises a receiver, configured to receive information transmitted from the power adapter or the electronic equipment, and wherein

the controller is further configured to control reception of the receiver and determine the temperature of the charging interface according to the information received by the receiver, wherein

the information is first temperature indicating information indicative of the temperature of the charging interface measured by a second temperature measuring component arranged in the interface of the power adapter, when the charging interface comprises the interface of the power adapter used for electrical connection with the charging cable;

and

the information is second temperature indicating information indicative of the temperature of the charging interface measured by a third temperature measuring component arranged in the interface of the electronic equipment, when the charging interface comprises the interface of the electronic equipment used for electrical connection with the charging cable.

8. The charging cable of claim 1, wherein the controller is further configured to forbid 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.

9. A device for charging control of the charging cable of claim 1, comprising:

a processor; and

a memory, storing computer readable programs which, when executed by the processor, are operable with the processor to;

determine, with the controller, temperature of the charging interface and control charging for the electronic equipment according to the temperature of the charging interface.

10. The device of claim 9, wherein the computer readable programs are further operable with the processor to:

measure, with the first temperature measuring component, temperature of the contact sheet.

11. The device of claim 9, wherein the contact sheet is implemented in the form of a plurality of contact sheets, and the first temperature measuring component is implemented in the form of a plurality of temperature measuring components;

the plurality of temperature measuring components correspond to the plurality of contact sheets respectively and each of the plurality of temperature measuring components is configured to measure temperature of a corresponding contact sheet respectively; and

wherein

the computer readable programs are further operable with the processor to;

determine, with the controller, the temperature of the charging interface according to the temperature of the plurality of contact sheets.

12. The device of claim 9, wherein the first temperature measuring component and the contact sheet thereof are spaced at a preset interval.

13. The device of claim 12, wherein the charging cable further comprises 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 contact sheet and the thermal conductive substrate.

14. The device of claim 9, wherein the charging cable further comprises a transmitter, and the computer readable programs are further operable with the processor to:

transmit, with the transmitter, information indicative of the temperature of the charging interface to the power adapter or the electronic equipment.

15. The device of claim 9, wherein the charging cable further comprises a receiver configured to receive information transmitted from the power adapter or the electronic equipment, and the computer readable programs are further operable with the processor to:

control, with the controller, reception of the receiver and determine the temperature of the charging interface according to the information received by the receiver, wherein

the information is first temperature indicating information indicative of the temperature of the charging interface measured by a second temperature measuring component arranged in the interface of the power adapter, when the charging interface comprises the interface of the power adapter used for electrical connection with the charging cable; and

the information is second temperature indicating information indicative of the temperature of the charging interface measured by a third temperature measuring component arranged in the interface of the electronic equipment, when the charging interface comprises the interface of the electronic equipment used for electrical connection with the charging cable.

16. The device of claim 9, wherein the computer readable programs are further operable with the processor to:

forbid, with the controller, 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.