Charging method, charging controller, storage medium and vehicle

Abstract

The invention relates to a charging method, a charging controller, a storage medium and a vehicle, and relates to the technical field of vehicle charging, and the method comprises the following steps: in the process of carrying out first charging connection with a tentative voltage, under the condition that the maximum output voltage of a charging pile is determined to be greater than or equal to the full charging voltage of a whole vehicle, carrying out first charging connection; and the vehicle is controlled to conduct the second charging connection again with the current voltage of the battery pack, so that the charging pile charges the battery pack with the current voltage of the battery pack, and the tentative voltage is smaller than the current voltage of the battery pack. According to the method, the charging requirement of the vehicle can be matched at a time, the situation that the output voltage of the charging pile is adjusted to be matched with the charging requirement of the vehicle after the first charging connection is successful and the charging pile is charged with the tentative voltage is not needed, and therefore the charging efficiency is improved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of vehicle charging, and in particular, to a charging method, a charging controller, a storage medium, and a vehicle. Background Art

[0002] During the charging connection process, since the charging capacity of the charging pile is unknown, charging always starts with a relatively low voltage and is then adjusted gradually later, increasing the output voltage of the charging pile to match the charging requirements of the vehicle. As a result, the charging pile cannot directly match the charging requirements of the vehicle, affecting the charging efficiency. Summary of the Invention

[0003] The purpose of the present disclosure is to provide a charging method, a charging controller, a storage medium, and a vehicle. During the first charging connection with a probing voltage, by obtaining the maximum output voltage of the charging pile and when the maximum output voltage of the charging pile is greater than or equal to the full charge voltage of the entire vehicle, directly control the vehicle to re - establish a second charging connection with the current voltage of the battery pack and make the charging pile charge the vehicle with the current voltage of the battery pack, so that the charging requirements of the vehicle can be matched at one time, without first adjusting the output voltage of the charging pile to match the charging requirements of the vehicle after the first charging connection is successful and the charging pile charges with the probing voltage, thereby improving the charging efficiency.

[0004] According to the first aspect of the embodiments of the present disclosure, a charging method is provided, including:

[0005] During the first charging connection with a probing voltage, when it is determined that the maximum output voltage of the charging pile is greater than or equal to the full charge voltage of the entire vehicle, control the vehicle to re - establish a second charging connection with the current voltage of the battery pack, so that the charging pile charges the battery pack with the current voltage of the battery pack, and the probing voltage is less than the current voltage of the battery pack.

[0006] Optionally, the method further includes:

[0007] Based on the target charging standard corresponding to the charging pile, obtain the maximum output voltage of the charging pile.

[0008] Optionally, the obtaining the maximum output voltage of the charging pile based on the target charging standard corresponding to the charging pile includes:

[0009] Determine the target charging standard corresponding to the charging pile according to the received handshake message of the charging pile;

[0010] Based on the target charging standard, send a charging parameter message including the probing voltage to the charging pile;

[0011] Receive the charging capacity message returned by the charging pile for the charging parameter message, where the charging capacity message includes the maximum output voltage of the charging pile.

[0012] Optionally, the controlling the vehicle to re - establish the second charging connection with the current voltage of the battery pack includes:

[0013] Control the vehicle to time out in replying the charging readiness status message to the charging pile, so that the charging pile returns an identification failure message and ends the first charging connection;

[0014] In response to receiving the identification failure message returned by the charging pile, send the current voltage of the battery pack to the charging pile to re - establish the second charging connection.

[0015] Optionally, the controlling the vehicle to re - establish the second charging connection with the current voltage of the battery pack includes:

[0016] Control the vehicle not to reply the charging readiness status message to the charging pile, so that the charging pile returns an identification failure message and ends the first charging connection;

[0017] In response to receiving the identification failure message returned by the charging pile, send the current voltage of the battery pack to the charging pile to re - establish the second charging connection.

[0018] Optionally, the vehicle includes a boost charging circuit. After controlling the vehicle to re - establish the second charging connection with the current voltage of the battery pack, the method further includes:

[0019] Based on the current voltage of the battery pack output by the charging pile, control the boost charging circuit of the vehicle to perform boost direct - through charging on the battery pack.

[0020] Optionally, the vehicle includes a direct - connection charging circuit. After controlling the vehicle to re - establish the second charging connection with the current voltage of the battery pack, the method further includes:

[0021] Based on the current voltage of the battery pack output by the charging pile, control the direct - connection charging circuit of the vehicle to perform direct - connection charging on the battery pack.

[0022] Optionally, the vehicle includes a boost charging circuit, and the method further includes:

[0023] In the case of determining that the maximum output voltage of the charging pile is less than the full - charge voltage of the whole vehicle, complete the first charging connection so that the charging pile outputs a probing voltage;

[0024] Based on the probing voltage output by the charging pile, control the boost charging circuit of the vehicle to perform boost charging on the battery pack.

[0025] According to a second aspect of the embodiments of the present disclosure, there is provided a charging controller, including:

[0026] a memory storing a computer program thereon;

[0027] a processor configured to execute the computer program in the memory, so that the charging controller executes the steps of the charging method provided in the first aspect of the present disclosure.

[0028] According to a second aspect of the embodiments of the present disclosure, there is provided a non-volatile storage medium storing a computer program thereon, and when the program is executed by a processor, the steps of the charging method provided in the first aspect of the present disclosure are implemented.

[0029] According to a fourth aspect of the embodiments of the present disclosure, there is provided a vehicle including the charging controller provided in the second aspect of the present disclosure.

[0030] Through the above technical solutions, during the process of performing the first charging connection with a tentative voltage, by obtaining the maximum output voltage of the charging pile and when the maximum output voltage of the charging pile is greater than or equal to the full charge voltage of the vehicle, directly controlling the vehicle to re-perform the second charging connection with the current voltage of the battery pack and enabling the charging pile to charge the vehicle with the current voltage of the battery pack, so that the charging requirements of the vehicle can be matched at one time, without first adjusting the output voltage of the charging pile to match the charging requirements of the vehicle after the first charging connection is successful and the charging pile charges with the tentative voltage, thereby improving the charging efficiency.

[0031] Other features and advantages of the present disclosure will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific implementation, they are used to explain the present disclosure, but do not constitute a limitation to the present disclosure. In the drawings:

[0033] Figure 1 is a flowchart of a charging method shown according to an exemplary embodiment.

[0034] Figure 2 is a flowchart of a method for re-performing the second charging connection shown according to an exemplary embodiment.

[0035] Figure 3 is a flowchart of another charging method shown according to an exemplary embodiment.

[0036] Figure 4 is a block diagram of a charging controller shown according to an exemplary embodiment.

[0037] Figure 5It is a block diagram of a vehicle shown according to an exemplary embodiment. Detailed implementation manners

[0038] The following will describe in detail the detailed implementation manners of the present disclosure with reference to the accompanying drawings. It should be understood that the detailed implementation manners described herein are only used to illustrate and explain the present disclosure, and are not used to limit the present disclosure.

[0039] Figure 1 It is a flowchart of a charging method shown according to an exemplary embodiment. As Figure 1 shown, this method can be applied to a charging controller, and this method may include the following steps:

[0040] In step S101, during the process of making a first charging connection with a tentative voltage, when it is determined that the maximum output voltage of the charging pile is greater than or equal to the full charge voltage of the whole vehicle, control the vehicle to make a second charging connection again with the current voltage of the battery pack, so that the charging pile charges the battery pack with the current voltage of the battery pack. This tentative voltage is less than the current voltage of the battery pack.

[0041] In this embodiment, in order to ensure successful handshake between the vehicle and the charging pile, a relatively small tentative voltage can be used to make a first charging connection with the charging pile first, and the tentative voltage is used to shake hands with the charging pile successfully, so as to obtain the maximum output voltage of the charging pile. Among them, the tentative voltage is less than the current voltage of the battery pack. Optionally, the tentative voltage can be the smaller value of a preset voltage and a target voltage. Among them, the preset voltage can be determined according to the output voltage of the charging pile with the smallest output voltage specification in the market. The preset voltage is less than the maximum output voltage of the charging pile with the smallest output voltage specification in the market. For example, if the maximum output voltage of the charging pile with the smallest output voltage specification in the market is 500V, the preset voltage can be 420V. Among them, the target voltage can be determined according to the current voltage of the battery pack. The target voltage is less than the current voltage of the battery pack. For example, the target voltage can be 0.9 times the current voltage of the battery pack minus 10V.

[0042] The processes of both the first charging connection and the second charging connection are based on the charging standard. If the process of the first charging connection is successfully completed, the charging pile charges the battery pack of the vehicle with the tentative voltage. If the second charging connection is successfully completed, the charging pile charges the battery pack with the current voltage of the battery pack.

[0043] When it is determined that the maximum output voltage of the charging pile is greater than or equal to the full charge voltage of the vehicle, the output capacity of the charging pile can match the charging demand of the vehicle. That is, as the battery pack's power increases, the voltage of the battery pack also increases, and the charging pile can output a voltage value equal to that of the battery pack at any time, thus meeting the vehicle's charging demand. In this case, the first charging connection can be stopped, and the vehicle can be controlled to re - establish the second charging connection with the current voltage of the battery pack. After the second charging connection is successfully completed, the charging pile can charge the battery pack with the current voltage of the battery pack. This can match the vehicle's charging demand in one go, eliminating the need to first establish the first charging connection successfully and have the charging pile charge with a tentative voltage, and then adjust the output voltage of the charging pile to match the vehicle's charging demand, thereby improving the charging efficiency. Herein, the charging pile is connected to the vehicle's charging port through a charging gun.

[0044] In a possible implementation manner, the method for obtaining the maximum output voltage of the charging pile may be: based on the target charging standard corresponding to the charging pile, obtain the maximum output voltage of the charging pile.

[0045] In this implementation manner, based on the interaction method corresponding to the target charging standard of the charging pile, the maximum output voltage of the charging pile can be obtained by means of a tentative voltage.

[0046] In a possible implementation manner, obtaining the maximum output voltage of the charging pile based on the target charging standard corresponding to the charging pile may include the following steps:

[0047] Determine the target charging standard corresponding to the charging pile according to the received handshake message of the charging pile; based on the target charging standard, send a charging parameter message including a tentative voltage to the charging pile; receive the charging capacity message returned by the charging pile for the charging parameter message, and this charging capacity message includes the maximum output voltage of the charging pile.

[0048] In this implementation manner, after the charging gun is inserted into the vehicle's charging port, the handshake message sent by the charging pile can be received. Then, based on this handshake message, the target charging standard corresponding to the charging pile can be determined. Based on this target charging standard, a charging parameter message including a tentative voltage is sent to the charging pile in a text format and interaction method that conforms to this charging standard. After receiving the charging parameter message, the charging pile will send a charging capacity message to the vehicle, and this charging capacity message includes the maximum output voltage of the charging pile. When the charging capacity message returned by the charging pile for the charging parameter message is received, the maximum output voltage of the charging pile can be obtained from the charging capacity message.

[0049] Specifically, when initially entering DC charging, that is, entering the first charging connection, based on the received CHM message from the charging pile, i.e., the handshake message, determine the target charging standard. For example, the target charging standard is the 2015 charging standard. Based on the national standard DC charging interaction method corresponding to this target charging standard, first send a relatively small "BCP message - current battery voltage of the vehicle's power battery", i.e., a charging parameter message, to the charging pile. After the charging pile determines that the vehicle parameters are appropriate, it replies with a CML message of the charging pile's capabilities, i.e., a charging capability message, and then the maximum output voltage of the charging pile can be obtained from the CML message.

[0050] Figure 2 FIG. is a flowchart of a method for re - performing a second charging connection shown according to an exemplary embodiment, as Figure 2 shown. In a possible implementation manner, controlling the vehicle to re - perform the second charging connection with the current voltage of the battery pack may include the following steps:

[0051] In step S201, control the vehicle to reply to the charging preparation status message to the charging pile with a timeout, so that the charging pile returns an identification failure message and ends the first charging connection.

[0052] In this implementation manner, after receiving the charging capability message replied by the charging pile, it is necessary to send a charging preparation status message to the charging pile within the standard - specified time. The charging preparation status message includes the charging preparation status of the vehicle, and this charging preparation status may include charging ready and not charging ready, so that the charging pile can determine whether the vehicle is charging ready based on the charging preparation status message. If ready, the charging pile can use the voltage sent by the vehicle as the charging voltage to charge the vehicle. If the charging pile does not receive the returned charging status preparation message within the standard - specified time, it can send an identification failure message to the vehicle and end the first charging connection. The vehicle can be controlled to reply to the charging preparation status message to the charging pile with a timeout, so that the charging pile returns an identification failure message and ends the first charging connection.

[0053] In step S202, in response to receiving the identification failure message returned by the charging pile, send the current voltage of the battery pack to the charging pile to re - perform the second charging connection.

[0054] In this implementation manner, after receiving the identification failure message returned by the charging pile, since it is determined that the output capability of the charging pile can meet the charging requirements of the vehicle, the current voltage of the battery pack can be directly sent to the charging pile to re - perform the second charging connection. After the second charging connection is successfully completed, the charging pile charges the battery pack with the current voltage of the battery pack.

[0055] Specifically, when the charging pile capacity is determined to meet the vehicle after receiving the CML message, the vehicle will not actively reply to the BRO message, that is, the charging preparation status message, so that the charging pile determines that the vehicle BRO message has timed out, and sends a CEM message, that is, a charging pile error message, that is, enters the reconnection process, sends a CRM message, that is, identifies the failure message, restarts charging, and reconnects the second charging. Since the vehicle already knows the capacity of the charging pile, the vehicle enters the reconnection process to restart the second charging connection, and sends "BCP message The current battery voltage of the vehicle's power battery is the current power battery voltage of the vehicle" to the charging pile, so that after the second charging connection is successfully completed, it can directly enter the boost charging module for direct charging, or close the direct charging contactor for direct charging. Since the charging pile capacity is met, it can enter the charging normally, which reduces the charging time. It is better than the control logic of first boost charging and entering the charging process and then switching to boost charging module direct charging or closing the direct charging contactor for direct charging. It also saves switching time and speeds up the charging speed.

[0056] In one possible implementation, the method for controlling the vehicle to re-establish the second charging connection with the current voltage of the battery pack may be: controlling the vehicle not to reply the charging preparation status message to the charging pile, so that the charging pile returns an identification failure message and ends the first charging connection; in response to receiving the identification failure message returned by the charging pile, sending the current voltage of the battery pack to the charging pile to re-establish the second charging connection.

[0057] In this embodiment, after receiving the charging capability message from the charging pile, the vehicle can be controlled not to reply the charging readiness status message to the charging pile, so that the charging pile returns the identification failure message and ends the first charging connection. After receiving the identification failure message returned by the charging pile, since it is determined that the output capacity of the charging pile can meet the charging needs of the vehicle, the current voltage of the battery pack can be directly sent to the charging pile so as to reconnect the second charging connection, and after the second charging connection is successfully completed, the charging pile charges the battery pack with the current voltage of the battery pack.

[0058] In one possible implementation, the vehicle includes a boost charging circuit. After controlling the vehicle to reconnect the second charging connection with the current voltage of the battery pack, the method further includes: based on the current voltage of the battery pack output by the charging pile, controlling the boost charging circuit of the vehicle to perform boost direct charging on the battery pack.

[0059] In this embodiment, the vehicle includes a boost charging circuit. In this boost charging circuit, the charging and discharging port can be connected to the battery pack through a boost charging module. After the electric energy input from the charging and discharging port by the charging pile passes through the boost charging module, it is then input into the battery pack. However, since the output capacity of the charging pile can meet the charging requirements of the vehicle, the boost function of the boost circuit may not be required. That is, the boost charging circuit of the vehicle is controlled to perform boost direct charging on the battery pack, and the battery pack is directly charged based on the current voltage of the battery pack output by the charging pile. Among them, the boost function of the boost circuit can be bypassed by controlling switch components such as diodes in the boost circuit, that is, the voltage flowing into the boost circuit is equal to the voltage flowing out of the boost circuit, so that the boost charging circuit performs boost direct charging on the battery pack. By using the existing boost circuit to complete the boost direct charging, it is possible to avoid forming a direct connection charging circuit by connecting other lines and components, thereby reducing costs.

[0060] In a possible implementation, the vehicle includes a direct connection charging circuit. After controlling the vehicle to re-perform the second charging connection with the current voltage of the battery pack, the method further includes: based on the current voltage of the battery pack output by the charging pile, controlling the direct connection charging circuit of the vehicle to perform direct connection charging on the battery pack.

[0061] In this embodiment, the vehicle may further include a direct connection charging circuit. In this direct connection charging circuit, the charging and discharging port and the battery pack are directly connected, and the electric energy input by the charging pile through the charging and discharging port can be directly input into the battery pack through the direct connection charging circuit. Since the output capacity of the charging pile can meet the charging requirements of the vehicle, the battery pack can be directly charged with the current voltage of the battery pack output by the charging pile through the direct connection charging circuit. By using the direct connection charging circuit, the components through which the current flows can be reduced, making the charging current larger and reducing power consumption.

[0062] In a possible implementation, the vehicle includes a boost charging circuit, and the method further includes the following steps:

[0063] When it is determined that the maximum output voltage of the charging pile is less than the full charge voltage of the whole vehicle, complete the first charging connection to enable the charging pile to output a probing voltage; based on the probing voltage output by the charging pile, control the boost charging circuit of the vehicle to perform boost charging on the battery pack.

[0064] In this embodiment, when it is determined that the maximum output voltage of the charging pile is less than the full charge voltage of the vehicle, the output capacity of the charging pile cannot match the charging demand of the vehicle in real time. After the first charging connection is completed, the charging pile will use the tentative voltage as the output voltage to charge the battery pack. Since the tentative voltage is less than the charging voltage of the battery pack, in order to meet the charging demand of the vehicle, the boost charging circuit of the vehicle can be controlled based on the tentative voltage output by the charging pile to boost-charge the battery pack. That is, through the boost charging circuit, the tentative voltage output by the charging pile is boosted to the current voltage of the battery pack to meet the charging demand of the vehicle.

[0065] Figure 3 is a flowchart of another charging method shown according to an exemplary embodiment, as Figure 3 shown, and may include the following steps:

[0066] In step S301, confirm that the DC gun is inserted into the charging and discharging port. When the charging gun of the charging pile is inserted into the charging and discharging port of the vehicle, it can be confirmed that the DC gun is inserted into the charging and discharging port.

[0067] In step S302, receive the handshake message sent by the charging pile and determine the corresponding target charging standard. After the charging gun is inserted into the charging port of the vehicle, the handshake message sent by the charging pile can be received, and then based on this handshake message, the target charging standard corresponding to the charging pile can be determined.

[0068] In step S303, determine the interaction method corresponding to the target charging standard. The corresponding interaction method can be determined based on the target charging standard. For example, if the target charging standard is the 15th version of the charging standard, the interaction will be carried out according to the 15th version of the charging standard.

[0069] In step S304, send a charging parameter message including the tentative voltage to the charging pile. Send a charging parameter message including the tentative voltage to the charging pile in the text format and interaction method that conform to this charging standard.

[0070] In step S305, receive the charging capacity message returned by the charging pile. After the charging pile receives the charging parameter message, it will send a charging capacity message to the vehicle. This charging capacity message includes the maximum output voltage of the charging pile. When receiving the charging capacity message returned by the charging pile for the charging parameter message, the maximum output voltage of the charging pile can be obtained from the charging capacity message.

[0071] In step S306, determine whether the maximum output voltage of the charging pile is greater than or equal to the full charge voltage of the vehicle. If the maximum output voltage of the charging pile is greater than or equal to the full charge voltage of the vehicle, execute step S307. If the maximum output voltage of the charging pile is less than the full charge voltage of the vehicle, execute step S311.

[0072] In step S307, control the vehicle not to return the charging preparation status message to time out. It is possible to control the vehicle to time out when replying the charging preparation status message to the charging pile, that is, control the vehicle not to send the charging preparation status message to the charging pile.

[0073] In step S308, receive the recognition failure message and end the first charging connection. After receiving the CEM message sent by the charging pile, enter the reconnection process, and send the CRM message to restart charging, that is, perform the second charging connection again.

[0074] In step S309, send the current voltage of the battery pack to the charging pile to perform the second charging connection again.

[0075] In step S310, perform boost direct charging or direct connection charging. After the second charging connection is successfully completed, directly enter the boost charging module for direct charging, or close the direct connection charging contactor for direct connection charging. Since the charging pile capacity is met, normal charging can be entered, reducing the charging time. This control logic is better than first performing boost charging to enter charging and then switching to the boost charging module for direct charging or closing the direct connection charging contactor for direct connection charging, and also saves the switching time, accelerating the charging speed.

[0076] In step S311, complete the first charging connection and perform boost charging. Boost charging can be performed through a boost circuit.

[0077] In step S312, charging is completed. Charging completion can be determined when the battery pack power reaches the preset power.

[0078] Figure 4 It is a block diagram of a charging controller shown according to an exemplary embodiment. Refer to Figure 4 , the charging controller 400 includes a processor 422, the number of which can be one or more, and a memory 432 for storing computer programs executable by the processor 422. The computer programs stored in the memory 432 may include one or more modules each corresponding to a set of instructions. In addition, the processor 422 may be configured to execute the computer program so that the charging controller 400 performs the above charging method.

[0079] In addition, the charging controller 400 may further include a power supply component 426 and a communication component 450. The power supply component 426 may be configured to perform power management of the charging controller 400, and the communication component 450 may be configured to implement communication of the charging controller 400, for example, wired or wireless communication. In addition, the charging controller 400 may further include an input / output interface 458. The charging controller 400 may operate based on an operating system stored in the memory 432.

[0080] Figure 5is a block diagram of a vehicle shown according to an exemplary embodiment, as Figure 5 shown. In another exemplary embodiment, a vehicle 501 is further provided, including the charging controller 502 provided in the above embodiment.

[0081] In another exemplary embodiment, a non-volatile storage medium including program instructions is further provided. When the program instructions are executed by a processor, the steps of the above charging method are implemented. For example, the non-volatile storage medium may be the memory 432 including the program instructions described above, and the above program instructions may be executed by the processor 422 of the charging controller 400 to complete the above charging method.

[0082] In another exemplary embodiment, a computer program product is further provided. The computer program product includes a computer program executable by a programmable device, and the computer program has a code portion for executing the above charging method when executed by the programmable device.

[0083] The preferred embodiments of the present disclosure have been described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept scope of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

Claims

1. A charging method, characterized in that, it includes: During the process of making a first charging connection with a tentative voltage, when it is determined that the maximum output voltage of the charging pile is greater than or equal to the full charge voltage of the vehicle, control the vehicle to make a second charging connection again with the current voltage of the battery pack, so that the charging pile charges the battery pack with the current voltage of the battery pack, and the tentative voltage is less than the current voltage of the battery pack.

2. The charging method according to claim 1, characterized in that, the method further includes: Based on the target charging standard corresponding to the charging pile, obtain the maximum output voltage of the charging pile.

3. The charging method according to claim 2, characterized in that, the obtaining the maximum output voltage of the charging pile based on the target charging standard corresponding to the charging pile includes: Determine the target charging standard corresponding to the charging pile according to the received handshake message of the charging pile; Based on the target charging standard, send a charging parameter message including the tentative voltage to the charging pile; Receive the charging capacity message returned by the charging pile for the charging parameter message, and the charging capacity message includes the maximum output voltage of the charging pile.

4. The charging method according to claim 1, characterized in that, the controlling the vehicle to make a second charging connection again with the current voltage of the battery pack includes: Control the vehicle to reply to the charging preparation status message to the charging pile with a timeout, so that the charging pile returns an identification failure message and ends the first charging connection; In response to receiving the identification failure message returned by the charging pile, send the current voltage of the battery pack to the charging pile to make the second charging connection again.

5. The charging method according to claim 1, characterized in that, the controlling the vehicle to make a second charging connection again with the current voltage of the battery pack includes: Control the vehicle not to reply to the charging preparation status message to the charging pile, so that the charging pile returns an identification failure message and ends the first charging connection; In response to receiving the identification failure message returned by the charging pile, send the current voltage of the battery pack to the charging pile to make the second charging connection again.

6. The charging method according to any one of claims 1-5, characterized in that, the vehicle includes a boost charging circuit. After controlling the vehicle to make a second charging connection again with the current voltage of the battery pack, the method further includes: Based on the current voltage of the battery pack output by the charging pile, control the boost charging circuit of the vehicle to perform boost direct charging on the battery pack.

7. The charging method according to any one of claims 1-5, characterized in that, the vehicle includes a direct connection charging circuit. After controlling the vehicle to make a second charging connection again with the current voltage of the battery pack, the method further includes: Based on the current voltage of the battery pack output by the charging pile, control the direct connection charging circuit of the vehicle to perform direct connection charging on the battery pack.

8. The charging method according to any one of claims 1-5, characterized in that, the vehicle includes a boost charging circuit, and the method further includes: When it is determined that the maximum output voltage of the charging pile is less than the full charge voltage of the vehicle, complete the first charging connection so that the charging pile outputs a probing voltage; Based on the probing voltage output by the charging pile, control the boost charging circuit of the vehicle to perform boost charging on the battery pack.

9. A non-volatile storage medium, on which a computer program is stored, characterized in that, when the program is executed by a processor, it implements the steps of the charging method described in any one of claims 1-8.

10. A charging controller, characterized in that, comprising: a memory, on which a computer program is stored; a processor, configured to execute the computer program in the memory so that the charging controller executes the steps of the charging method described in any one of claims 1-8.

11. A vehicle, characterized in that, comprises the charging controller according to claim 10.

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