Vehicle charging method and apparatus

1 . A method, wherein the method comprises:

obtaining, by a server, a status of a first battery pack in a first mobile charging facility, wherein the server schedules a plurality of mobile charging facilities to charge a plurality of vehicle, and the plurality of mobile charging facilities include the first mobile charging facility and a second mobile charging facility;

in response to determining that the first battery pack is in a charging state or a fully charged state, obtaining, by the server, a second state of energy sent by the second mobile charging facility, wherein the second mobile charging facility is charging a first vehicle, and the second state of energy is a state of energy of a second battery pack in the second mobile charging facility; and

sending, by the server, a first indication signal to the first mobile charging facility in response to at least that a first state of energy and the second state of energy meet a first preset condition, wherein the first indication signal indicates the first mobile charging facility to charge the first vehicle, and the first state of energy is a state of energy of the first battery pack in the charging state or the fully charged state.

2 . The method according to claim 1 , wherein the method further comprises:

sending a second indication signal to the second mobile charging facility, wherein the second indication signal indicates the second mobile charging facility to return to be charged.

3 . The method according to claim 2 , wherein the first preset condition comprises: a first ratio is greater than or equal to a first threshold; and

the first ratio is a percentage of a difference between the first state of energy and the second state of energy in the first state of energy.

4 . The method according to claim 3 , wherein before the obtaining a second state of energy sent by a second mobile charging facility, the method further comprises:

determining the second mobile charging facility; and

the determining the second mobile charging facility comprises:

in response to determining that a mobile charging facility in a charging system is charging a vehicle, determining that the mobile charging facility is the second mobile charging facility; or

in response to determining that two or more mobile charging facilities in the charging system are charging the vehicle, determining that the second mobile charging facility is one having a maximum first ratio in the two or more mobile charging facilities.

5 . The method according to claim 4 , further comprising:

in response to determining that the two or more mobile charging facilities in the charging system are charging the vehicle, determining that the second mobile charging facility is one having a maximum of a second ratio in the two or more mobile charging facilities, wherein

the second ratio is a percentage of a state of remaining energy in a battery pack of the first mobile charging facility in the first state of energy, the state of remaining energy is represented as Q remaining , Q remaining =Q1−Q2−Q S , Q1 represents the first state of energy, Q2 represents the second state of energy, and Q S represents a state of energy consumed on a path in response to at least that the first mobile charging facility travels from a current location to a location of a mobile charging facility corresponding to Q2.

6 . The method according to claim 5 , wherein before the obtaining a status of a first battery pack in a first mobile charging facility, the method further comprises:

receiving a first request message sent by a first terminal device, wherein the first request message requests to charge the first vehicle;

determining the second mobile charging facility based on a location and a state of energy of a battery pack of each mobile charging facility in the charging system, and an energy consumption map, wherein the energy consumption map comprises at least one path from a location of each mobile charging facility to a location of the first vehicle, and a power consumption status on each path; and

sending a third indication signal to the second mobile charging facility, wherein the third indication signal indicates the second mobile charging facility to charge the first vehicle.

7 . An apparatus, wherein the apparatus comprises:

at least one processor; and

at least one memory coupled to the at least one processor and storing programming instructions for execution by the at least one processor to cause the apparatus to perform operations comprising:

obtaining a status of a first battery pack in a first mobile charging facility, wherein the apparatus schedules a plurality of mobile charging facilities to charge a plurality of vehicle, and the plurality of mobile charging facilities include the first mobile charging facility and a second mobile charging facility;

detecting whether the first battery pack is in a charging state or a fully charged state;

in response to at least detecting that the first battery pack is in the charging state or the fully charged state, obtaining a second state of energy sent by the second mobile charging facility, wherein the second mobile charging facility is charging a first vehicle, and the second state of energy is a state of energy of a second battery pack in the second mobile charging facility;

detecting whether a first state of energy and the second state of energy meet a first preset condition, wherein the first state of energy is a state of energy of the first battery pack in the charging state or the fully charged state; and

in response to at least detecting that the first state of energy and the second state of energy meet the first preset condition, sending a first indication signal to the first mobile charging facility, wherein the first indication signal indicates the first mobile charging facility to charge the first vehicle.

8 . The apparatus according to claim 7 , wherein the operations further comprise: sending a second indication signal to the second mobile charging facility, wherein the second indication signal indicates the second mobile charging facility to return to be charged.

9 . The apparatus according to claim 8 , wherein the first preset condition comprises: a first ratio is greater than or equal to a first threshold, and the first ratio is a percentage of a difference between the first state of energy and the second state of energy in the first state of energy.

10 . The apparatus according to claim 9 , wherein the operations further comprise:

before the second state of energy sent by the second mobile charging facility is obtained, and in response to determining that one mobile charging facility in a charging system is charging a vehicle, determine that the mobile charging facility is the second mobile charging facility; or in response to determining that two or more mobile charging facilities in the charging system are charging the vehicle, determine that the second mobile charging facility is one having a maximum first ratio in the two or more mobile charging facilities.

11 . The apparatus according to claim 10 , wherein the operations further comprise:

in response to detecting that the two or more mobile charging facilities in the charging system are charging the vehicle, determine that the second mobile charging facility is one having a maximum of a second ratio in the two or more mobile charging facilities, wherein

the second ratio is a percentage of a state of remaining energy in a battery pack of the first mobile charging facility in the first state of energy, the state of remaining energy is represented as Q remaining , Q remaining =Q1−Q2−Q S , Q1 represents the first state of energy, Q2 represents the second state of energy, and Q S represents a state of energy consumed on a path in response to at least that the first mobile charging facility travels from a current location to a location of a mobile charging facility corresponding to Q2.

12 . The apparatus according to claim 11 , wherein the operations further comprise:

before the status of the first battery pack in the first mobile charging facility is obtained, receiving a first request message sent by a first terminal device, wherein the first request message requests to charge the first vehicle;

determining the second mobile charging facility based on a location and a state of energy of a battery pack of each mobile charging facility in the charging system, and an energy consumption map, wherein the energy consumption map comprises at least one path from a location of each mobile charging facility to a location of the first vehicle, and a power consumption status on each path; and

sending a third indication signal to the second mobile charging facility, wherein the third indication signal indicates the second mobile charging facility to charge the first vehicle.

13 . An apparatus, wherein the apparatus comprises:

at least one processor; and

at least one memory coupled to the at least one processor and storing programming instructions for execution by the at least one processor to cause the apparatus to perform operations comprising:

obtaining a status of a third mobile charging facility, wherein the apparatus schedules a plurality of mobile charging facilities to charge a plurality of vehicle, and the plurality of mobile charging facilities include the third mobile charging facility and a second mobile charging facility;

in response to determining that the status of the third mobile charging facility is a return status after a charging task is executed, obtaining a second state of energy sent by the second mobile charging facility, and detecting whether a third state of energy and the second state of energy meet a first preset condition, wherein the second mobile charging facility is charging a first vehicle, the second state of energy is a state of energy of a second battery pack in the second mobile charging facility, and the third state of energy is a state of energy of a third battery pack of the third mobile charging facility in the return status; and

in response to at least detecting that the third state of energy and the second state of energy meet the first preset condition, sending a fourth indication signal to the third mobile charging facility, wherein the fourth indication signal indicates the third mobile charging facility to charge the first vehicle.

14 . The apparatus according to claim 13 , wherein the operations further comprise: sending a fifth indication signal to the second mobile charging facility, wherein the fifth indication signal indicates the second mobile charging facility to return to be charged.

15 . The apparatus according to claim 14 , wherein the first preset condition comprises: a second ratio is greater than or equal to a first threshold, and the second ratio is a percentage of a difference between the third state of energy and the second state of energy in the third state of energy.

16 . The apparatus according to claim 15 , wherein the operations further comprise:

before the status of the third mobile charging facility is obtained, receiving a first request message sent by a first terminal device, wherein the first request message requests to charge the first vehicle;

determining the second mobile charging facility based on a location and a state of energy of a battery pack of each mobile charging facility in a charging system, and an energy consumption map, wherein the energy consumption map comprises at least one path from a location of each mobile charging facility to a location of the first vehicle, and a power consumption status on each path; and

sending a sixth indication signal to the second mobile charging facility, wherein the sixth indication signal indicates the second mobile charging facility to charge the first vehicle.