METHOD AND SYSTEM FOR TESTING OUTPUT STATE OF ADAPTOR AND COMPUTER STORAGE MEDIUM

• US 20200136410A1
• Filed: 12/27/2019
• Published: 04/30/2020
• Est. Priority Date: 09/30/2018
• Status: Active Grant

• Current Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Original Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Inventors: TIAN, CHEN
• Granted Patent: US 11,329,493 B2
• Time in Patent Office: Days
• CPC Class Codes: G01R 19/16528 using digital techniques or performing arithmetic operations using digital techniques to measure a voltage or a current, see G01R19/25
• CPC Class Codes: G01R 19/16542 for batteries charge condition monitoring in G01R31/36
• CPC Class Codes: G01R 31/40 Testing power supplies testing photovoltaic devices H02S50/10
• CPC Class Codes: H02J 7/00036 Charger exchanging data with battery
• CPC Class Codes: H02J 7/0047 with monitoring or indicating devices or circuits
• CPC Class Codes: H02J 7/007 Regulation of charging or discharging current or voltage

Abstract

Provided are a method for testing an output state of an adaptor, a system for testing an output state of an adaptor, and a computer storage medium. The method includes the following. After an adaptor is instructed to enable quick charging, a first instruction is received, where the first instruction is used for instructing determination of a state of output voltage. In response to the first instruction, a first output voltage is acquired and a voltage state is determined according to the first output voltage. After a charging current corresponding to the quick charging is received, a current change rate of the charging current is acquired, and a current state is determined according to the current change rate. A test result of the output state of the adaptor is obtained according to the voltage state and the current state.

Claims

1. A method for testing an output state of an adaptor, comprising:

receiving a first instruction from the adaptor after instructing the adaptor to enable quick charging, wherein the first instruction is used for instructing determination of a voltage state of the adaptor;

in response to the first instruction, acquiring a first output voltage, and determining the voltage state according to the first output voltage;

acquiring a current change rate of a charging current corresponding to the quick charging after the charging current is applied, and determining a current state according to the current change rate; and

obtaining a test result of the output state of the adaptor according to the voltage state and the current state.

2. The method of claim 1, wherein determining the voltage state according to the first output voltage comprises:

determining the voltage state to be a first state in response to the first output voltage being higher than a preset threshold voltage;

determining the voltage state to be a second state in response to the first output voltage being equal to the preset threshold voltage; and

determining the voltage state to be a third state in response to the first output voltage being lower than the preset threshold voltage.

3. The method of claim 2, further comprising:

after acquiring the first output voltage in response to the first instruction and determining the voltage state according to the first output voltage, sending a first response according to the voltage state, wherein the first response carries the voltage state.

4. The method of claim 3, wherein when the voltage state is the first state or the third state, the method further comprises:

after sending the first response according to the voltage state,

receiving again the first instruction, and in response to the first instruction, acquiring a second output voltage; and

determining the voltage state according to the second output voltage until the voltage state becomes the second state.

5. The method of claim 4, further comprising:

after determining the voltage state according to the second output voltage until the voltage state becomes the second state,

determining a duration indicative of time taken for the adaptor to adjust the first output voltage to the second output voltage; and

obtaining the test result of the output state according to the duration and a preset threshold duration.

6. The method of claim 4, further comprising:

after acquiring the second output voltage,

obtaining a voltage adjustment mode by comparing the second output voltage with the first output voltage, wherein the voltage adjustment mode comprises increasing voltage and decreasing voltage; and

obtaining the test result of the output state according to the voltage state and the voltage adjustment mode.

7. The method of claim 1, wherein acquiring the current change rate of the charging current comprises:

acquiring the current change rate by detecting in real time the charging current at a preset time interval.

8. The method of claim 7, wherein determining the current state according to the current change rate comprises:

determining that the current state meets change requirements in response to the current change rate being less than or equal to a preset threshold rate; and

determining that the current state does not meet the change requirements in response to the current change rate being greater than the preset threshold rate.

9. The method of claim 1, further comprising:

before acquiring the current change rate of the charging current and determining the current state according to the current change rate,

receiving a second instruction from the adaptor, wherein the second instruction is used for inquiring an upper limit of the charging current; and

in response to the second instruction, sending a preset threshold current to the adaptor, wherein the preset threshold current is used by the adaptor to determine the charging current.

10. The method of claim 1, further comprising:

after receiving the charging current corresponding to the quick charging,

receiving a third instruction, wherein the third instruction is used for instructing determination of a voltage state of the adaptor in a constant-current charging stage;

in response to the third instruction, acquiring a third output voltage;

detecting the charging current in response to the third output voltage being higher than or equal to a preset voltage for the quick charging; and

sending a preset upper-limit current to the adaptor in response to the charging current being larger than or equal to the preset upper-limit current, the preset upper-limit current being used by the adaptor to update the charging current.

11. The method of claim 10, further comprising:

after receiving the third instruction,

in response to the third instruction, detecting a voltage variation parameter according to a preset time period;

sending an end instruction in response to the voltage variation parameter being greater than or equal to a preset sudden-change threshold; and

receiving an end response corresponding to the end instruction.

12. The method of claim 11, further comprising:

after receiving the end response corresponding to the end instruction,

acquiring a duration indicative of time taken for the adaptor to respond to the end instruction; and

obtaining the test result of the output state according to the duration and a preset threshold duration.

13. The method of claim 11, further comprising:

after receiving the end response corresponding to the end instruction;

in response to the third instruction received again, sending a reset inquiry message; and

receiving a reset response corresponding to the reset inquiry message, wherein the reset response is indicative of a reset state of the adaptor.

14. The method of claim 10, further comprising:

after receiving the charging current corresponding to the quick charging,

detecting a current change parameter of the charging current during constant-current charging; and

obtaining the test result of the output state according to the current change parameter and a preset control accuracy.

15. The method of claim 1, further comprising:

before obtaining the test result of the output state of the adaptor according to the voltage state and the current state,

receiving a disconnection request; and

in response to the disconnection request, disconnecting from the adaptor.

16. The method of claim 15, wherein the disconnection request carries a time at which the adaptor is disconnected from a power supply, and the method further comprises:

after disconnecting from the adaptor in response to the disconnection request,

recording a time at which the testing system is disconnected from the adaptor;

determining a disconnection time interval according to the time at which the adaptor is disconnected from the power-supply and the time at which the testing system is disconnected from the adaptor; and

obtaining the test result of the output state according to the disconnection time interval and a preset threshold interval.

17. A system for testing an output state of an adaptor, comprising:

at least one processor;

a memory configured to store program codes which, when executed by the processor, are operable with the testing system to;

receive a first instruction from the adaptor after the testing system instructs the adaptor to enable quick charging, wherein the first instruction is used for instructing determination of an voltage state of the adaptor;

acquire an output voltage in response to the first instruction;

determine the voltage state according to the output voltage;

receive a charging current corresponding to the quick charging from the adaptor;

acquire a current change rate of the charging current;

determine a current state according to the current change rate; and

obtain a test result of the output state of the adaptor according to the voltage state and the current state.

18. The system of claim 17, wherein the memory is configured to store program codes which, when executed by the processor, are operable with the testing system to:

send a first response according to the voltage state, wherein the first response carries the voltage state, wherein the adaptor adjusts the output voltage according to the voltage state;

determine a duration indicative of time taken for the adaptor to adjust the output voltage by one grade; and

obtain the test result of the output state according to the duration and a preset threshold duration.

19. The system of claim 17, wherein the memory is configured to store program codes which, when executed by the processor, are operable with the testing system to:

acquire the current change rate by detecting in real time the charging current at a preset time interval; and

determine the current state by comparing the current change rate with a preset threshold rate.

20. A non-transitory computer readable storage medium configured to store programs which, when executed by a testing system for testing an output state of an adaptor, are operable with the testing system to:

receive a first instruction from the adaptor after the testing system initiates quick charging communication with the adaptor, wherein the first instruction is used for instructing determination of a voltage state of the adaptor;

acquire an output voltage of the adaptor in response to the first instruction;

determine the voltage state according to the output voltage;

receive a charging current corresponding to the quick charging from the adaptor;

acquire a current change rate of the charging current;

determine a current state according to the current change rate; and

obtain a test result of the output state of the adaptor according to the voltage state and the current state.