HAND-HELD ELECTRONIC APPARATUS, CHARGING SYSTEM, CONNECTOR AND CHARGING MANAGEMENT METHOD THEREOF

• US 20180198296A1
• Filed: 01/10/2017
• Published: 07/12/2018
• Est. Priority Date: 01/10/2017
• Status: Abandoned Application

• Current Assignee: HTC Corporation
• Original Assignee: HTC Corporation
• Inventors: He, Kun-Da, Chang, Chih-Hsiung, Lin, Shih-Ping, Wu, Chuan-Li, Chang, Chia-Ming, Yen, Ming-Tse, Chang, Pin-Hsuan, Lin, Chun-Wei
• Application Number:
  US15/402,250
• Publication Number:
  US 20180198296A1
• Time in Patent Office: Days
• CPC Class Codes: H02J 7/00302 Overcharge protection
• CPC Class Codes: H02J 7/00309 Overheat or overtemperature protection
• CPC Class Codes: H02J 7/0031 using battery or load disconnect circuits H02J9/002 takes precedence
• CPC Class Codes: H02J 7/0045 concerning the insertion or the connection of the batteries
• CPC Class Codes: H02J 7/0049 Detection of fully charged condition
• CPC Class Codes: H02J 7/007194 of the battery
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

A hand-held electronic apparatus, a charging system, a connector and a charging management method thereof are provided. The charging management method includes: detecting a detection temperature on a charging port of the hand-held electronic apparatus, wherein the charging port is coupled to a power adapter; starting an alert mode when the detection temperature exceeds a threshold; measuring variation of the detection temperature according to a preset cycle in the alert mode; setting an over-temperature flag according to the variation of the detection temperature in the alert mode; and making the power adapter stop providing a charging voltage according to the over-temperature flag.

Claims

1. A charging management method, applied to a hand-held electronic apparatus, comprising:

detecting a detection temperature on a charging port of the hand-held electronic apparatus, wherein the charging port is coupled to a power adapter;

starting an alert mode when the detection temperature exceeds a threshold;

measuring variation of the detection temperature according to a preset cycle in the alert mode;

setting an over-temperature flag according to the variation of the detection temperature in the alert mode; and

making the power adapter stop providing a charging voltage according to the over-temperature flag.

2. The charging management method according to claim 1, wherein the step of making the power adapter stop providing a charging voltage according to the over-temperature flag comprises:

generating over-temperature information when the over-temperature flag is set; and

transmitting the over-temperature information to the power adapter through a communication interface,

wherein, the power adapter stops providing the charging voltage to the hand-held electronic apparatus according to the over-temperature information.

3. The charging management method according to claim 1, wherein the step of making the power adapter stop providing the charging voltage according to the over-temperature flag comprises:

disconnecting a transmitting channel providing the charging voltage to the hand-held electronic apparatus according to the over-temperature flag.

4. The charging management method according to claim 1, further comprising:

turning off the alert mode if the detection temperature is lower than the threshold in the alert mode.

5. A charging system, comprising:

an apparatus end having a charging port, a temperature detector, and a first controller, the temperature detector being disposed on the charging port and transmitting a detection temperature to the first controller; and

a power adapter coupled to the apparatus end, providing a charging voltage to the charging port,

wherein the first controller starts an alert mode when the detection temperature exceeds a threshold, measures variation of the detection temperature according to a preset cycle in the alert mode, and sets an over-temperature flag according to the variation of the detection temperature, and the first controller transmits over-temperature information to the power adapter according to the over-temperature flag, and makes the power adapter stop providing the charging voltage to the charging port.

6. The charging system according to claim 5, wherein the power adapter comprises:

a power switch receiving a power source and a control signal, to be turned on or cut off according to the control signal, wherein, when the power switch is turned on, the charging voltage is generated according to the power; and

a second controller coupled to the power switch, receiving the over-temperature information through a communication interface, and generating the control signal according to the over-temperature information.

7. The charging system according to claim 5, wherein, if the first controller judges that the detection temperature is lower than the threshold in the alert mode, the alert mode is closed.

8. The charging system according to claim 5, wherein the apparatus further comprises:

a host end; and

a connector coupled between the host end and the power adapter, for transmitting the charging voltage to the host end.

9. The charging system according to claim 8, wherein the connector is a transmitting wire.

10. A connector, receiving a charging voltage provided by a power adapter, and connected to a host end through a charging port, comprising:

a temperature detector detecting a detection temperature;

a controller coupled to the temperature detector, receiving the detection temperature; and

a power switch coupled to the first controller, the power adapter, and the charging port,

wherein the controller starts an alert mode when the detection temperature exceeds a threshold, and measures variation of the detection temperature in the alert mode according to a preset cycle, and sets an over-temperature flag according to the variation of the detection temperature, and the controller transmits over-temperature information to the power switch according to the over-temperature flag, and makes the power switch cut off to stop providing the charging voltage to the charging port.

11. A hand-held electronic apparatus, connected with a power adapter for charging, comprising:

a charging port;

a temperature detector disposed adjacently to the charging port, detecting a detection temperature on the charging port; and

a controller coupled to the charging port and the temperature detector, receiving the detection temperature, starting an alert mode when the detection temperature exceeds a threshold, measuring variation of the detection temperature in the alert mode according to a preset cycle, and setting an over-temperature flag according to the variation of the detection temperature, wherein the controller transmits over-temperature information to the power adapter according to the over-temperature flag, and makes the power adapter stop providing a charging voltage to the charging port.

12. The hand-held electronic apparatus according to claim 11, wherein the charging port has multiple pins, and the temperature detector is disposed adjacently to one of the pins.

13. The hand-held electronic apparatus according to claim 11, wherein the charging port is a C-type universal serial bus port, and the temperature detector is disposed adjacently to a configuration channel pin.

14. The hand-held electronic apparatus according to claim 11, wherein, if the controller judges that the detection temperature is lower than the threshold in the alert mode, the alert mode is closed.

15. The hand-held electronic apparatus according to claim 11, wherein, when the controller judges that the variation of the detection temperature is greater than a default variation value in the alert mode, the over-temperature flag is set as a first logic level.

16. The hand-held electronic apparatus according to claim 11, further comprising:

a warning signal generator coupled to the controller, sending warning information after the power adapter stops providing the charging voltage.