Battery safety warning method and apparatus

1 . A method, comprising:

obtaining N performance values of a target vehicle battery, wherein the N performance values are in a one-to-one correspondence with N performances of the target vehicle battery, and wherein N is a positive integer;

determining battery warning information that has a first preset mapping relationship with each of the N performance values as target safety warning level information of the target vehicle battery, wherein the target safety warning level information comprises a target processing device, and wherein the target processing device comprises a target vehicle;

determining target processing policy information based on mapping relationships between safety warning levels and processing policies of processing devices, wherein the target processing policy information indicates an operation of the target processing device, and wherein the operation comprises limiting a charging power of the target vehicle; and

sending the target processing policy information, an instruction to perform the operation, and the target safety warning level information to the target processing device.

2 . The method according to claim 1 , wherein the target safety warning level information is level- 1 warning information, level- 2 warning information, or level- 3 warning information.

3 . The method according to claim 1 , wherein the target processing device further comprises at least one of a target charging pile, a target battery swap station, or a target mobile phone.

4 . The method according to claim 2 , wherein determining the target processing policy information comprises determining, when the target safety warning level information is the level- 1 warning information, that the target processing policy information further comprises turning on a warning light by the target vehicle.

5 . The method according to claim 4 , wherein determining the target processing policy information further comprises determining, when the target vehicle is being charged by using a target charging pile, that the target processing policy information further comprises limiting the charging power of the target vehicle battery by the target charging pile.

6 . The method according to claim 4 , wherein determining the target processing policy information further comprises determining, when the target vehicle is swapping a battery using a target battery swap station, that the target processing policy information further comprises limiting the charging power of the target vehicle battery by the target battery swap station.

7 . The method according to claim 2 , wherein determining the target processing policy information comprises determining, when the target safety warning level information is the level- 3 warning information, that the target processing policy information further comprises at least one of turning on a warning light by the target vehicle or issuing a voice alarm by the target vehicle.

8 . The method according to claim 7 , wherein determining the target processing policy information further comprises determining, when a vehicle speed of the target vehicle is not 0, that the target processing policy information further comprises at least one of limiting a use power of the target vehicle battery by the target vehicle or reminding, by the target vehicle, a user to safely park and leave the target vehicle.

9 . The method according to claim 7 , wherein determining the target processing policy information further comprises determining, when a vehicle speed of the target vehicle is 0, that the target processing policy information further comprises at least one of unlocking a vehicle door by the target vehicle or providing, by the target vehicle, a voice instruction to a user to leave the target vehicle and start a fire extinguishing program of the target vehicle.

10 . The method according to claim 7 , wherein determining the target processing policy information further comprises determining, when the target vehicle is being charged by using a target charging pile, that the target processing policy information further comprises at least one of stopping, by the target charging pile, charging of the target vehicle battery, or providing, by the target charging pile, a voice notification to a user to start a fire processing procedure of a charging station.

11 . The method according to claim 7 , wherein determining the target processing policy information further comprises determining, when the target vehicle is to be charged by using a target charging pile, that the target processing policy information further comprises at least one of rejecting, by the target charging pile, charging of the target vehicle battery, or providing, by the target charging pile, a voice notification to a user to start a fire processing procedure of a charging station.

12 . The method according to claim 2 , wherein determining the target processing policy information comprises determining that the target processing policy information further comprises:

issuing at least one of a voice alarm, a short message service message alarm, or a message alarm by a target mobile phone; and

reminding a user to leave the target vehicle.

13 . The method according to claim 1 , wherein the N performances comprise M performances of the following performances: a voltage deviation descent speed, an insulation descent speed, a voltage difference at rest, an insulation average level, a cycle average temperature, and a cycle temperature rise rate, wherein M is a first positive integer, and wherein N is a second positive integer greater than or equal to M.

14 . The method according to claim 1 , wherein determining the battery warning information comprises:

determining, based on a second preset mapping relationship between a performance value of each of the N performance values and a value interval to which the performance value belongs, a performance value interval of the performance value; and

determining the battery warning information based on the performance value interval.

15 . The method according to claim 14 , wherein the value interval is based on a preset value range of each performance and a warning threshold corresponding to each performance, wherein the warning threshold and a plurality of historical values of each performance satisfy a mapping relationship.

16 . The method according to claim 14 , wherein determining the battery warning information comprises:

determining, based on a third preset mapping relationship between the performance value interval and a first warning level classified for each performance, a second warning level corresponding to the performance value; and

determining the battery warning information based on the second warning level.

17 . An apparatus comprising:

a memory configured to store programming instructions; and

a processor coupled to the memory and configured to execute the programming instructions to cause the apparatus to:

obtain N performance values of a target vehicle battery, wherein the N performance values are in a one-to-one correspondence with N performances of the target vehicle battery, and wherein N is a positive integer;

determine battery warning information that has a first preset mapping relationship with each of the N performance values as target safety warning level information of the target vehicle battery, wherein the target safety warning level information comprises a target processing device, and wherein the target processing device comprises a target vehicle;

determine target processing policy information based on mapping relationships between safety warning levels and processing policies of processing devices, wherein the target processing policy information indicates an operation of the target processing device, and wherein the operation comprises limiting a charging power of the target vehicle; and

send the target processing policy information, an instruction to perform the operation, and the target safety warning level information to the target processing device.

18 . The apparatus according to claim 17 , wherein the target safety warning level information is level- 1 warning information, level- 2 warning information, or level- 3 warning information.

19 . The apparatus according to claim 18 , wherein the target processing device further comprises at least one of a target charging pile, a target battery swap station, or a target mobile phone, and

wherein the processor is further configured to execute the programming instructions to cause the apparatus to determine the target processing policy information by determining, when the target safety warning level information is the level- 1 warning information, that the target processing policy information comprises turning on a warning light by the target vehicle.

20 . A computer program product comprising computer instructions, wherein when one or more processors execute the computer instructions, the computer instructions cause the one or more processors to:

obtain N performance values of a target vehicle battery, wherein the N performance values are in a one-to-one correspondence with N performances of the target vehicle battery, and wherein N is a positive integer;

determine battery warning information that has a first preset mapping relationship with each of the N performance values as target safety warning level information of the target vehicle battery, wherein the target safety warning level information comprises a target processing device, and wherein the target processing device comprises a target vehicle;

determine target processing policy information based on mapping relationships between safety warning levels and processing policies of processing devices, wherein the target processing policy information indicates an operation of the target processing device, and wherein the operation comprises limiting a charging power of the target vehicle; and

send the target processing policy information, an instruction to perform the operation, and the target safety warning level information to the target processing device.