CN115091976A

CN115091976A - Electric automobile control method and system and electric automobile

Info

Publication number: CN115091976A
Application number: CN202210651818.4A
Authority: CN
Inventors: 梁士福; 孟祥怡; 李威; 王金明; 姜瑞
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-09-23

Abstract

The invention discloses an electric automobile control method and system and an electric automobile. Wherein, the method comprises the following steps: in response to receiving the wireless charging request, acquiring a vehicle driving state, a vehicle speed and a communication state of the electric vehicle; responding to the situation that the vehicle driving state is a user driving state, the vehicle speed is less than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, and displaying guide information in a display screen of the electric vehicle; and controlling the electric vehicle to move based on the vehicle speed and the image information so as to align the first wireless charging device and the second wireless charging device. The invention solves the technical problem of low alignment accuracy of the electric automobile and the charging pile in the related technology.

Description

Electric automobile control method and system and electric automobile

Technical Field

The invention relates to the technical field of new energy automobile wireless charging, in particular to an electric automobile control method and system and an electric automobile.

Background

The wireless charging of the electric automobile is realized by transmitting electric energy in the air of ground-end charging equipment and vehicle-mounted charging equipment through technologies such as electromagnetic induction, but in the prior art, a user needs to actually get off to confirm the specific position of the wireless charging device, but the alignment accuracy of the electric automobile and the charging pile is low due to a visual confirmation method of the user.

In view of the above problems, no effective solution has been proposed.

Disclosure of Invention

The embodiment of the invention provides an electric automobile control method and system and an electric automobile, and at least solves the technical problem that the alignment accuracy of the electric automobile and a charging pile is low in the related technology.

According to an aspect of an embodiment of the present invention, there is provided a control method of an electric vehicle provided with a first wireless charging device, the method including: in response to receiving the wireless charging request, acquiring a vehicle driving state, a vehicle speed and a communication state of the electric vehicle, wherein the vehicle driving state comprises one of the following: the communication state is used for representing the communication state of the electric automobile and a second wireless charging device, and the second wireless charging device is located on the ground and is used for wirelessly charging the electric automobile; responding to the fact that the vehicle driving state is a user driving state, the vehicle speed is smaller than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, and displaying guide information in a display screen of the electric vehicle, wherein the guide information at least comprises alignment guide information which is used for representing a moving route of the electric vehicle so as to enable the first wireless charging device and the second wireless charging device to be aligned; and responding to the fact that the vehicle driving state is an automatic driving state, the vehicle speed is smaller than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, controlling the electric vehicle to move based on the vehicle speed and image information, so that the first wireless charging device and the second wireless charging device are aligned, wherein the image information is used for representing a panoramic image collected by a controller on the electric vehicle.

Optionally, in response to the first wireless charging apparatus and the second wireless charging apparatus being successfully aligned, the method further comprises: displaying first state information in a display screen, wherein the first state information is used for representing that the first wireless charging device and the second wireless charging device are successfully aligned; acquiring a vehicle response mode of the electric automobile, wherein the vehicle response mode comprises one of the following modes: an inquiry mode, an automatic mode, and a timed mode; and determining whether to wirelessly charge the electric automobile through the second wireless charging device based on the vehicle response mode.

Optionally, the determining whether to wirelessly charge the electric vehicle through the second wireless charging device based on the vehicle response mode includes: responding to the fact that the vehicle response mode is the inquiry mode, displaying first prompt information on a display screen, responding to the fact that a first operation instruction is received, and wirelessly charging the electric automobile through a second wireless charging device, wherein the first prompt information is used for prompting whether wireless charging is conducted through the second wireless device, and the first operation instruction is used for representing and confirming that wireless charging is conducted on the electric automobile; in response to the vehicle response mode being the automatic mode, wirelessly charging the electric vehicle through the second wireless charging device; and responding to the fact that the vehicle response mode is the timing mode, and displaying second prompt information on the display screen, wherein the second prompt information is used for prompting that the electric automobile is wirelessly charged through a second wireless charging device after waiting for preset time.

Optionally, the wirelessly charging the electric vehicle by the second wireless charging device includes: acquiring the height of a suspension of the electric automobile; responding to the situation that the height of the suspension does not accord with the preset range, and displaying third prompt information on a display screen, wherein the third prompt information is used for prompting a user to switch the vehicle driving modes, the electric automobile has multiple vehicle driving modes, and the heights of the suspensions corresponding to different vehicle driving modes are different; responding to the second operation instruction, and acquiring a target vehicle driving mode corresponding to the second operation instruction; and switching the vehicle driving mode to be the target vehicle driving mode so as to adjust the height of the suspension.

Optionally, the determining whether to wirelessly charge the electric vehicle through the second wireless charging device based on the vehicle response mode includes: acquiring a vehicle state of the electric vehicle; and determining whether the electric automobile is wirelessly charged through the second wireless charging device based on the vehicle response mode in response to the vehicle state meeting the preset condition.

Optionally, displaying guidance information in a display screen of the electric vehicle includes: in response to the fact that the distance between the electric automobile and the second wireless charging device is within a first preset range, processing image information and the vehicle speed by using an image processing algorithm to generate first guide information, and displaying the first guide information on a display screen, wherein the first guide information comprises first parking guide information and first alignment guide information, the first parking information is used for representing a parking guide line between the electric automobile and the wireless charging parking space, the first alignment guide information is used for representing an alignment guide line based on the first wireless charging device and the second wireless charging device, and the alignment guide line and the parking guide line are in an association relation with the rotating angle of a steering wheel; in response to a distance between the electric vehicle and the second wireless charging device being within a second preset range, displaying second guiding information on the display screen, wherein the second guiding information includes a second alignment guide line, and the second alignment guiding information includes at least one of: an alignment guide line based on the first wireless charging device and the second wireless charging device, and an offset angle between the first wireless charging device and the second wireless charging device.

Optionally, the second preset range includes a third preset range, and the displaying of the second guidance information on the display screen includes: responding to the fact that the distance between the electric automobile and the second wireless charging device is within a third preset range, and obtaining historical image information and the automobile speed; determining a target position of the second wireless charging device based on the historical image information and the vehicle speed; generating second guidance information based on a current location and a target location of the first wireless charging device; and displaying the second guide information on the display screen.

Optionally, the second preset range includes a fourth preset range, and the displaying of the second guidance information on the display screen includes: receiving relative position information sent by a second wireless charging device in response to the fact that the distance between the electric automobile and the second wireless charging device is within a fourth preset range, wherein the relative position information is used for representing the relative position information between the first wireless charging device and the second wireless charging device; converting the relative position information into coordinate information; generating second guide information based on the coordinate information; and displaying the second guide information on the display screen.

According to another aspect of the embodiments of the present invention, there is also provided an electric vehicle control system, including: the control device is used for responding to the received wireless charging request, and acquiring the vehicle driving state, the vehicle speed and the communication state of the electric automobile, wherein the vehicle driving state comprises one of the following conditions: the communication state is used for representing the communication state of the electric automobile and a second wireless charging device, and the second wireless charging device is located on the ground and is used for wirelessly charging the electric automobile; responding to the fact that the vehicle driving state is a user driving state, the vehicle speed is smaller than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, and displaying guide information in a display screen of the electric vehicle, wherein the guide information at least comprises alignment guide information which is used for representing a moving route of the electric vehicle so as to enable the first wireless charging device and the second wireless charging device to be aligned; responding to the fact that the vehicle driving state is an automatic driving state, the vehicle speed is smaller than a preset vehicle speed threshold value, the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, and controlling the electric vehicle to move based on the vehicle speed and image information so that the first wireless charging device and the second wireless charging device are aligned, wherein the image information is used for representing a panoramic image collected by a controller on the electric vehicle; the second wireless charging device is used for wirelessly charging the electric automobile;

according to another aspect of the embodiments of the present invention, there is also provided an electric vehicle including: the electric automobile control system that the embodiment provided above.

According to another aspect of the embodiments of the present invention, there is also provided an electric vehicle control apparatus including: the acquisition module is used for responding to the received wireless charging request and acquiring the vehicle driving state, the vehicle speed and the communication state of the electric vehicle, wherein the vehicle driving state comprises one of the following states: the communication state is used for representing the communication state of the electric automobile and a second wireless charging device, and the second wireless charging device is located on the ground and is used for wirelessly charging the electric automobile; the display module is used for responding to the situation that the vehicle driving state is a user driving state, the vehicle speed is smaller than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, and displaying guide information in a display screen of the electric vehicle, wherein the guide information at least comprises alignment guide information which is used for representing a moving route of the electric vehicle so as to align the first wireless charging device and the second wireless charging device; the control module is used for responding to the fact that the vehicle driving state is an automatic driving state, the vehicle speed is smaller than a preset vehicle speed threshold value, the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, the electric vehicle is controlled to move based on the vehicle speed and image information, and therefore the first wireless charging device and the second wireless charging device are aligned, wherein the image information is used for representing a panoramic image collected by a controller on the electric vehicle.

According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium, wherein the computer-readable storage medium includes a stored program, and wherein when the program runs, the apparatus on which the computer-readable storage medium is controlled to execute any one of the above-mentioned electric vehicle control methods.

In the embodiment of the invention, the vehicle driving state, the vehicle speed and the communication state of the electric vehicle are acquired in response to the received wireless charging request; responding to the situation that the vehicle driving state is a user driving state, the vehicle speed is less than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, and displaying guide information in a display screen of the electric vehicle; and controlling the electric vehicle to move based on the vehicle speed and the image information so as to align the first wireless charging device and the second wireless charging device. It is easy to notice, through under user's driving state, show guide information in the display screen, perhaps under automatic driving state, automatic control electric automobile counterpoints, need not user's eyes and confirm wireless charging device's specific position, the technical problem that needs the user to get off the bus and confirm the position of charging pile among the correlation technique has been solved, the purpose that makes electric automobile and charging pile accurate counterpoint has been reached, thereby realized improving the technical effect of electric automobile and charging pile's counterpoint accuracy, and then solved among the correlation technique electric automobile and the technical problem that charging pile's counterpoint accuracy is low.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

FIG. 1 is a flow chart of an electric vehicle control method according to an embodiment of the invention;

fig. 2 is a schematic diagram illustrating an alignment guidance interface of the second charging device that is not sensed by the vehicle panoramic image controller in an optional waiting alignment state according to the embodiment of the invention;

fig. 3 is a schematic diagram illustrating an alignment guidance interface for the vehicle panoramic image controller to sense the second charging device in an optional waiting alignment state according to an embodiment of the present invention;

FIG. 4 is a schematic view of an alternative alignment guidance interface according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of an alternative guidance interface for successful alignment according to an embodiment of the present invention;

fig. 6 is a schematic diagram illustrating an alternative first wireless charging device offset from a second wireless charging device according to an embodiment of the invention;

fig. 7 is an alternative wireless charging alignment guidance system for an electric vehicle according to an embodiment of the present invention;

FIG. 8 is a flow chart of an alternative user driving alignment guide in accordance with an embodiment of the present invention;

fig. 9 is a flowchart of an alternative automatic parking alignment guidance according to an embodiment of the present invention;

fig. 10 is an alternative radio charging control flow diagram according to an embodiment of the invention;

fig. 11 is a schematic structural diagram of an electric vehicle control device according to an embodiment of the invention.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Example 1

According to an embodiment of the present invention, there is provided an embodiment of a method for controlling an electric vehicle, where it is noted that the steps shown in the flowchart of the drawings may be executed in a computer system such as a set of computer executable instructions, and that while a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in an order different from that shown.

Fig. 1 is a flowchart of a control method of an electric vehicle according to an embodiment of the present invention, as shown in fig. 1, the method including the steps of:

step S102, in response to receiving the wireless charging request, acquiring a vehicle driving state, a vehicle speed and a communication state of the electric vehicle, wherein the vehicle driving state comprises one of the following states: the user driving state and the automatic driving state, the communication state is used for representing the communication state of the electric automobile and the second wireless charging device, and the second wireless charging device is located on the ground and is used for wirelessly charging the electric automobile.

The Wireless charging request may be a charging/heating request sent by a Battery Management System (BMS), and in response to that the electric quantity Of a power Battery (State Of Charge, SOC) is smaller than a preset threshold, the BMS sends the charging/heating request to a Wireless Charger (WOBC) at a Vehicle end and a Vehicle Control Unit (VCU), and the preset threshold may be a minimum electric quantity value that is set by a user in advance and can ensure normal running Of the electric Vehicle, and a specific value may be set by the user, which is not specifically limited in this embodiment; WOBC charges the SOC or supplies power to a heater (PTC) in response to a wireless charging/heating request transmitted from the BMS; the BMS is mainly used for sending wireless charging requests to the WOBC and the VCU, judging the charging state of the SOC and sending the charging state of the SOC to the VCU; the VCU is responsible for judging whether the whole vehicle has a wireless charging condition, receiving a BMS charging/heating request, sending a wireless charging inquiry request to a user for confirmation, responding to a charging instruction confirmed by the user, completing the starting and exiting of wireless charging, controlling the on and off of a heater, judging the real-time state of the wireless charging, and responding to a non-charging instruction confirmed by the user, and not executing the wireless charging operation on the electric vehicle; the current electric vehicle can be an electric vehicle driven by a user or an electric vehicle with an automatic driving function, but is not limited to the above; the vehicle speed may be a vehicle speed of the electric vehicle on the way from the initial position to the second wireless charging device, and may be measured in real time by the controller.

The communication state may be a wireless network connection state between the electric vehicle and the second wireless charging device, and may be, but is not limited to, a successful network connection, a failed network connection, and the like, where the second wireless charging device includes: ground Wireless charging device (GA) and Wireless electric pile (Wallbox, WB) fill, GA is responsible for detecting on-vehicle end Wireless charging coil position coordinate, detects whether have metallic foreign matter or other foreign matters near the charging panel, and second Wireless charging device passes through Wireless local area network (WIFI) communication module in the WB, with Ground Wireless charging device information transmission to WOBC.

In an alternative embodiment, in response to receiving the wireless charging request sent by the BMS, the VCU acquires the current vehicle driving state of the electric vehicle, the wireless network state between the second wireless charging device and the current vehicle speed of the electric vehicle.

And step S104, responding to the fact that the vehicle driving state is a user driving state, the vehicle speed is less than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, displaying guiding information in a display screen of the electric vehicle, wherein the guiding information at least comprises alignment guiding information, and the alignment guiding information is used for representing a moving route of the electric vehicle so as to align the first wireless charging device and the second wireless charging device.

The preset vehicle speed threshold may be set by a user in advance, and any vehicle speed threshold that enables the current electric vehicle to successfully perform the wireless charging operation in a safe state is described as 15km/h in this embodiment.

The display screen may be a display screen In an In vehicle entertainment (IVI) system of an electric vehicle, but is not limited thereto.

The guiding information may be information that can guide the current electric vehicle to be aligned with the second wireless charging device successfully and to be charged, for example, the guiding information may be information such as images and characters, and in order to improve the alignment accuracy, in the embodiment of the present invention, an image is taken as an example for description; the alignment guide information may be displayed on a display screen of the electric vehicle, and may be an image of a route where the first wireless charging device and the second wireless charging device of the electric vehicle are successfully aligned.

The first wireless charging device may be a WOBC of a current electric vehicle.

In an optional embodiment, in response to that the driving state of the current electric vehicle is a user driving state, the vehicle speed is less than a preset vehicle speed threshold, and the WOBC and the second wireless charging device of the current electric vehicle are connected to the same wireless local area network through the WB WIFI communication module (i.e., communication is successful), the VCU displays guidance information on a display screen of the electric vehicle, and the user controls the current electric vehicle to move according to the guidance information, so that the first wireless charging device and the second wireless charging device of the current electric vehicle are aligned successfully.

Fig. 2 is a schematic diagram of an alignment guidance interface of the second charging device that is not sensed by the vehicle panoramic image controller in an optional waiting alignment state according to an embodiment of the present invention, as shown in fig. 2, a left diagram of fig. 2 is a panoramic image of the current electric vehicle, the second wireless charging device and the surrounding environment, which is displayed on a display screen and acquired by an image acquisition controller installed on the electric vehicle and a plurality of cameras, and a right diagram of fig. 2 is an alignment guidance line for guiding the first wireless charging device and the second wireless charging device of the current electric vehicle to be aligned successfully when an angle difference exists between the current electric vehicle and a target position, which is displayed on the display screen, wherein the target position is a position where the first wireless charging device and the second wireless charging device can be aligned successfully.

Fig. 3 is a schematic diagram of an alignment guidance interface for sensing a second charging device by a vehicle panoramic image controller in an optional waiting alignment state according to an embodiment of the present invention, as shown in fig. 3, a left diagram of fig. 3 is a panoramic image of a current electric vehicle, a second wireless charging device and a surrounding environment, which is displayed on a display screen and acquired by an image acquisition controller installed on the electric vehicle and a plurality of cameras, and a right diagram of fig. 3 is an alignment guidance line for guiding a first wireless charging device and a second wireless charging device of the current electric vehicle to be aligned successfully, where the target position is a position where the first wireless charging device and the second wireless charging device can be aligned successfully, and there is no angle difference between the current electric vehicle and the target position, which is displayed on the display screen.

And S106, in response to that the vehicle driving state is an automatic driving state, the vehicle speed is less than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, controlling the electric vehicle to move based on the vehicle speed and image information so as to enable the first wireless charging device and the second wireless charging device to be aligned, wherein the image information is used for representing a panoramic image collected by a controller on the electric vehicle.

The image information may be a panoramic image of the current electric vehicle, the second wireless charging device, and the surrounding environment, which is acquired by an image acquisition controller and a plurality of cameras installed on the current electric vehicle, wherein the acquired panoramic image is displayed on a display screen of the current electric vehicle through a VCU, and the image acquisition controller may be an Around View Monitor (AVM), but is not limited thereto, and the AVM is configured to display alignment guidance interface information on the basis of a panoramic interface, simulate a ground coil position, and receive and display WOBC ground coil coordinates.

In an optional embodiment, in response to that the Driving state of the vehicle is an automatic Driving state, the vehicle speed is low and is preset with a vehicle speed threshold, the WOBC and the second wireless charging device of the current electric vehicle are connected to the same wireless local area network through the WIFI communication module of the WB (namely, the communication is successful), firstly, a panoramic image is collected through an image collection controller and a plurality of cameras installed on the current electric vehicle, secondly, the collected panoramic image is displayed on a display screen of the electric vehicle through a VCU, and finally, based on the panoramic image and the vehicle speed, a parking controller (HAD) controls the electric vehicle to move, so that the first wireless charging device and the second wireless charging device are aligned.

Fig. 4 is a schematic diagram of an alternative alignment guiding interface according to an embodiment of the invention, as shown in fig. 4, a left diagram of fig. 4 is a perspective top view of the display screen showing that the first wireless charging device and the second wireless charging device are being aligned, and a right diagram of fig. 4 is a schematic diagram of the display screen showing that the first wireless charging device and the second wireless charging device are being aligned, as shown in fig. 4, a large rectangle represents the first wireless charging device, a small rectangle represents the second wireless charging device, and the large rectangle does not completely cover the small rectangle, which represents that the first wireless charging device and the second wireless charging device are being aligned.

In the embodiment of the invention, the method for acquiring the vehicle driving state, the vehicle speed and the communication state of the electric vehicle in response to the received wireless charging request is adopted, wherein the vehicle driving state comprises one of the following steps: the communication state is used for representing the communication state of the electric automobile and a second wireless charging device, and the second wireless charging device is located on the ground and is used for wirelessly charging the electric automobile; responding to the fact that the vehicle driving state is a user driving state, the vehicle speed is smaller than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, and displaying guide information in a display screen of the electric vehicle, wherein the guide information at least comprises alignment guide information which is used for representing a moving route of the electric vehicle so as to enable the first wireless charging device and the second wireless charging device to be aligned; in response to that the driving state of the vehicle is an automatic driving state, the vehicle speed is less than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, the electric vehicle is controlled to move based on the vehicle speed and image information, so that the first wireless charging device and the second wireless charging device are aligned, wherein the image information is used for representing a mode of a panoramic image collected by a controller on the electric vehicle, it is easy to notice that the technical problem that a user needs to get off to confirm the position of the charging pile in the related technology is solved by displaying guide information in a display screen in the driving state of the user or automatically controlling the electric vehicle to align in the automatic driving state without confirming the specific position of the wireless charging device by human eyes of the user, the aim of accurately aligning the electric vehicle and the charging pile is achieved, and the technical effect of improving the alignment accuracy of the electric vehicle and the charging pile is achieved, and then solved electric automobile and the technical problem that fills the counterpoint rate of accuracy of electric pile and hang down among the correlation technique.

Optionally, in response to the first wireless charging apparatus and the second wireless charging apparatus being successfully aligned, the method further comprises: displaying first state information in a display screen, wherein the first state information is used for representing that the first wireless charging device and the second wireless charging device are aligned successfully; acquiring a vehicle response mode of the electric automobile, wherein the vehicle response mode comprises one of the following modes: an inquiry mode, an automatic mode, and a timed mode; and determining whether to wirelessly charge the electric automobile through the second wireless charging device based on the vehicle response mode.

Fig. 5 is a schematic diagram of an optional alignment success guiding interface according to an embodiment of the present invention, as shown in fig. 5, a left diagram of fig. 5 is a top view of a display screen showing a first wireless charging device and a second wireless charging device that are aligned successfully, a right diagram of fig. 5 is a state of the display screen showing that the first wireless charging device and the second wireless charging device are aligned successfully, as shown in a right diagram, a large rectangle represents the first wireless charging device, a small rectangle represents the second wireless charging device, and when the large rectangle completely covers the small rectangle, the large rectangle represents that the first wireless charging device and the second wireless charging device are aligned successfully.

The first status information may be displayed on a display screen of the electric vehicle, or may be displayed on a display screen of a mobile terminal (APP) to prompt a user that the first wireless charging device and the second wireless charging device are successfully aligned, for example, "the vehicle and the target charging pile are successfully aligned".

The query mode may be a wireless charging mode set by a user, where the query mode in the driving state of the user is: the ignition position of the automobile is in an on state, the WOBC is in a position alignment success state, the position signal is in a parking position, a wireless charging mode of a remote communication module (TBOX) is an inquiry mode, and in response to a wireless charging request of the BMS, the VCU inquires a user through a display screen whether to perform charging, for example, "position alignment success, whether to immediately start wireless charging? "; the inquiry modes in the automatic driving state are as follows: WOBC is in the alignment success state, the wireless charging mode of TBOX is the inquiry mode, the gear signal is in the parking position, and the HAD drive-in state is successful, and in response to the wireless charging request of BMS, the VCU inquires the user through the display screen whether to perform charging, which may be, for example, "alignment success, whether to immediately start wireless charging? The HAD is used for wireless charging parking space identification, automatic vehicle parking, automatic alignment of a wireless charging ground end coil, and sending a wireless charging request in an inquiry mode.

The automatic mode may be another wireless charging mode set by the user, where the automatic mode in the driving state of the user is: the method comprises the following steps that an ignition gear of an automobile is in an opening state, WOBC is in a position alignment success state, a wireless charging mode of TBOX is an automatic mode, a gear signal is in a parking gear, a VCU immediately controls the electric automobile to start wireless charging in response to a wireless charging request of a BMS, and a display screen sequentially displays information of the automobile in wireless charging starting and wireless charging; the automatic mode in the automatic driving state is: the ignition gear of the automobile is in an opening state, the WOBC is in a position alignment success state, the wireless charging mode of the TBOX is an automatic mode, the gear signal is in a parking gear, the VCU immediately controls the electric automobile to start wireless charging in response to a wireless charging request of the BMS, and the display screen sequentially displays information of the automobile, namely 'during wireless charging starting' and 'during wireless charging'.

The timing mode may be another wireless charging mode set by the user, where the timing mode in the driving state of the user is: the method comprises the steps that an ignition gear of an automobile is in an open state, WOBC is in a position alignment success state, a wireless charging mode of TBOX is a timing mode, a gear signal is in a parking position, VCU judges that the current condition of the electric automobile meets a wireless charging condition, responds to a wireless charging request of BMS, VCU controls the electric automobile to be in a wireless charging reservation waiting state, at the moment, an instrument displays that' wireless charging is reserved, XX starts charging at XX, a remote communication module wakes up the automobile after the reservation time is reached, VCU responds to the wireless timing charging request sent by TBOX to start a charging process of the electric automobile, wherein XX represents specific charging time set by a user, TBOX is used for receiving and storing the charging mode set by the user, and information communication between a vehicle end and a mobile client end is realized; the timing mode in the automatic driving state is as follows: the method comprises the steps that an ignition gear of an automobile is in an open state, WOBC is in a position alignment success state, a wireless charging mode of TBOX is a timing mode, a gear signal is in a parking position, VCU judges that the current condition of the electric automobile meets a wireless charging condition, responds to a wireless charging request of BMS, VCU controls the electric automobile to be in a wireless charging reservation waiting state, at the moment, an instrument displays that 'wireless charging is reserved, charging is started at XX: XX', TBOX wakes up the automobile after the reservation time is reached, VCU responds to the wireless timing charging request sent by TBOX, an electric automobile charging process is started, wherein XX: XX represents specific charging time set by a user, TBOX is used for receiving and storing the charging mode set by the user, and information communication between a vehicle end and a mobile client end is achieved.

In an optional embodiment, after displaying the information of "successful alignment between the vehicle and the target charging pile" on the display screen of the electric vehicle, the VCU determines whether to wirelessly charge the electric vehicle through the second wireless charging device based on the vehicle driving state and the vehicle response mode of the electric vehicle, wherein the vehicle driving state includes one of: a user driving state and an automatic driving state, the vehicle response mode including one of: inquiry mode, automatic mode, and timed mode.

Optionally, the determining whether to wirelessly charge the electric vehicle through the second wireless charging device based on the vehicle response mode includes: responding to the fact that the vehicle response mode is the inquiry mode, displaying first prompt information on a display screen, responding to the fact that a first operation instruction is received, and wirelessly charging the electric automobile through a second wireless charging device, wherein the first prompt information is used for prompting whether wireless charging is conducted through the second wireless device, and the first operation instruction is used for representing and confirming that wireless charging is conducted on the electric automobile; in response to the vehicle response mode being the automatic mode, wirelessly charging the electric vehicle through the second wireless charging device; and responding to the fact that the vehicle response mode is a timing mode, and displaying second prompt information on the display screen, wherein the second prompt information is used for prompting that the electric automobile is wirelessly charged through a second wireless charging device after waiting for preset time.

The first prompt message may be a message asking the user whether to charge, and may be, for example, "successful positioning, immediate start of wireless charging? "is selected from the group consisting of; the first operation command may be a command for the user to confirm the wireless charging, for example, the user may click a "confirm" button to confirm, or the IVI/APP may confirm the wireless charging.

The second prompt message may be a message prompting the user that the electric vehicle will perform wireless charging at a preset time point, for example, "wireless charging is scheduled, and charging will be started at XX: XX", where XX: XX represents a specific preset charging time set by the user.

In an alternative embodiment, when the vehicle driving state is the user driving state, in response to the vehicle response mode being the query mode, the VCU displays information on the display screen asking the user whether to perform charging, such as: "is the alignment successful, is wireless charging started immediately? After the user clicks the 'confirm' key for confirmation, the VCU controls the automobile to wirelessly charge through the second wireless charging device; responding to the fact that the vehicle response mode is the automatic mode, and directly controlling the automobile to be wirelessly charged through a second wireless charging device by the VCU; in response to the vehicle response mode being the timing mode, the VCU displays information on the display screen that the electric vehicle will be wirelessly charged at a preset charging time, for example: and when the reservation time is up, the VCU controls the automobile to wirelessly charge through the second wireless charging device.

In another alternative embodiment, when the vehicle driving state is the automatic driving state, in response to the vehicle response mode being the query mode, the VCU displays information on the display screen asking the user whether to perform charging, such as: "is the alignment successful, is wireless charging started immediately? After the IVI/APP confirms charging, the VCU controls the automobile to wirelessly charge through a second wireless charging device; responding to the fact that the vehicle response mode is the automatic mode, and directly controlling the automobile to be wirelessly charged through a second wireless charging device by the VCU; in response to the vehicle response mode being the timing mode, displaying information that the electric vehicle will be wirelessly charged at a preset time point on the display screen, for example: and when the reservation time is up, the VCU controls the automobile to wirelessly charge through the second wireless charging device.

The suspension height can be the height from a chassis of the electric automobile to the charging coil; the preset range can be set by a user in advance, and can be the highest height for wirelessly charging the electric automobile, and the specific numerical value can be set by the user according to the requirement of the user and is not limited in the embodiment; the third prompt information may be information that prompts the user to switch the vehicle driving mode. For example, it can be "the suspension is too high to affect the charging alignment, please switch to the non-off-road mode"; the driving mode of the vehicle may be, but is not limited to, an off-road mode, a sport mode, a normal mode, and the like.

The second operation command may be a command executed by the user to switch the driving mode, or may also be a command executed by the IVI/APP to switch the driving mode, for example, "switch the driving mode to the non-off-road mode"; the target driving mode may be any driving mode that enables the current electric vehicle to be wirelessly charged, and the specific mode may be set according to the user's own requirements, which is not specifically limited in this embodiment.

In an optional embodiment, before the electric vehicle is wirelessly charged by the second wireless charging device, first, a Suspension height of the electric vehicle is obtained by a Suspension controller (ECAS), and in response to the Suspension height being greater than a preset range, the display screen displays information (i.e. third prompt information) prompting the user to switch the vehicle driving mode, for example: "the too high influence of suspension is charged and is counterpointed, please switch to non-cross-country mode", secondly the user or IVI/APP carries out the instruction of switching driving mode based on the third suggestion information, makes driving mode switch to the target driving mode through driving mode controller (Driver Monitor System, DMS), for example: the driving mode is switched to the non-off-road mode, so that the electric automobile can be wirelessly charged through the second wireless charging device.

The vehicle state described above includes at least one of: the current speed of the electric vehicle, the state of charge of the SOC, and the distance of the electric vehicle from the charging coil of the second charging device.

The preset conditions at least comprise one of the following conditions: the speed of the electric vehicle is less than or equal to 15km/h, the state of charge of the SOC is less than a preset value, and the distance between the electric vehicle and the charging coil of the second charging device is less than a preset distance, wherein the preset value can be a minimum electric quantity value which is set by a user in advance and can ensure that the electric vehicle can normally run, and the preset distance represents the maximum distance at which the electric vehicle can be wirelessly charged.

In an optional embodiment, before determining whether to wirelessly charge the electric vehicle through the second wireless charging device based on the vehicle response mode, first obtaining a vehicle state of the electric vehicle, secondly comparing the vehicle state with a preset condition, and finally determining whether to wirelessly charge the electric vehicle through the second wireless charging device based on the vehicle response mode in response to the vehicle state meeting the preset condition.

Optionally, the method for displaying guidance information in a display screen of an electric vehicle includes: in response to the fact that the distance between the electric automobile and the second wireless charging device is within a first preset range, processing image information and the vehicle speed by using an image processing algorithm to generate first guide information, and displaying the first guide information on a display screen, wherein the first guide information comprises first parking information and first alignment guide information, the first parking information is used for representing a parking guide line between the electric automobile and the wireless charging parking space, the first alignment guide information is used for representing an alignment guide line based on the first wireless charging device and the second wireless charging device, and the alignment guide line and the parking guide line have an association relation with the rotating angle of a steering wheel; in response to a distance between the electric vehicle and the second wireless charging device being within a second preset range, displaying second guiding information on the display screen, wherein the second guiding information includes a second alignment guide line, and the second alignment guiding information includes at least one of: an alignment guide line based on the first wireless charging device and the second wireless charging device, and an offset angle between the first wireless charging device and the second wireless charging device.

The first preset range may be a range in which the vehicle does not enter the wireless network coverage area of the second wireless charging device, and the WIFI communication is not established with the second wireless charging device. The image processing method may be any algorithm capable of processing the image information and the vehicle speed, and is not particularly limited in this embodiment.

The parking guide line may be a guide line that enables the vehicle to properly stop at the wireless charging location, and may be generated by the HAD in combination with the AVM; the alignment guide line may be a guide line that enables the center point of the first wireless charging device and the center point of the second wireless charging device of the vehicle to be successfully aligned, and is generated by the HAD in combination with the AVM; the offset angle may be an offset angle between a central axis of the first wireless charging device and a central axis of the second wireless charging device.

The second preset range may be a range in which the vehicle enters a wireless network coverage area of the second wireless charging device, establishes WIFI communication with the second wireless charging device, but the AVM cannot capture the coil in the second wireless charging device.

In an optional embodiment, in response to that the distance between the electric vehicle and the second wireless charging device is within a wireless network coverage area of the second wireless charging device, and a WIFI communication range is not established, processing image information and vehicle speed by using an image algorithm to generate first guide information, and displaying the first guide information on a display screen through an AVM, wherein the first guide information comprises a parking guide line and an alignment guide line, the parking guide line enables the vehicle to be parked at the wireless charging position correctly, the alignment guide line enables a center point of the first wireless charging device and a center point of the second wireless charging device of the vehicle to be aligned successfully, and the parking guide line and the alignment guide line and a rotation angle of a steering wheel have an association relationship which is set by a user in advance; in response to the distance between the electric vehicle and the second wireless charging device being within the wireless network coverage area of the vehicle entering the second wireless charging device, establishing WIFI communication with the second wireless charging device, but the AVM cannot capture the range of the coil in the second wireless charging device, displaying second guiding information on the display screen through the AVM, so that the first wireless charging device of the vehicle can be aligned with the second wireless charging device, wherein the second guiding information includes at least one of the following: the alignment guide lines of the first wireless charging device and the second wireless charging device can enable the center point of the first wireless charging device and the center point of the second wireless charging device to be aligned successfully, the offset angle represents that the central axis of the first wireless charging device and the central axis of the second wireless charging device are offset, and the vehicle can be adjusted according to the offset angle to enable the first wireless charging device and the second wireless charging device to be aligned completely.

Optionally, the second preset range includes a third preset range, and the displaying of the second guidance information on the display screen includes: responding to the fact that the distance between the electric automobile and the second wireless charging device is within a third preset range, and obtaining historical image information and the automobile speed; determining a target position of the second wireless charging device based on the historical image information and the vehicle speed; generating second guidance information based on a current location and a target location of the first wireless charging device; and displaying second guide information on the display screen so that the first wireless charging device of the vehicle can be aligned with the second wireless charging device.

The third preset range may be a range in which the distance between the electric vehicle and the second wireless charging device is within a wireless network coverage area of the vehicle entering the second wireless charging device, WIFI communication is established with the second wireless charging device, the AVM cannot capture a coil in the second wireless charging device, and the WOBC cannot detect relative position information of the vehicle-mounted coil and the ground coil.

In an optional embodiment, in response to that the distance between the electric vehicle and the second wireless charging device is within a wireless network coverage area of the second wireless charging device when the vehicle enters, WIFI communication is established with the second wireless charging device, the AVM cannot capture a coil in the second wireless charging device, and the WOBC cannot detect a range of relative position information of the vehicle-mounted coil and the ground coil, the VCU acquires historical image information and vehicle speed acquired by the AVM, calculates a target position of the simulated second wireless charging device based on the historical image information and the vehicle speed, and finally generates and displays second guiding information on the display screen based on the calculated target position of the simulated second wireless charging device.

Optionally, the second preset range includes a fourth preset range, and the displaying of the second guidance information on the display screen includes: receiving relative position information sent by a second wireless charging device in response to the fact that the distance between the electric automobile and the second charging device is within a fourth preset range, wherein the relative position information is used for representing the relative position information between the first wireless charging device and the second wireless charging device; converting the relative position information into coordinate information; generating second guide information based on the coordinate information; and displaying the second guide information on the display screen.

The fourth preset range may be a range in which the distance between the electric vehicle and the second wireless charging device is within a wireless network coverage area of the second wireless charging device, the vehicle enters the second wireless charging device, WIFI communication is established with the second wireless charging device, the AVM cannot capture a coil in the second wireless charging device, and the WOBC can detect relative position information between the vehicle-mounted coil and the ground coil.

The relative position information may be position information of the first wireless charging device, which is acquired by the second wireless charging device in a magnetic induction manner and is relative to the position of the second wireless charging device, and then the relative position information is converted into coordinate information, and the coordinate information may be coordinate information located in an x-y coordinate system and include a first coordinate and a second coordinate, where the first coordinate is used to represent a position coordinate of the first wireless charging device, and the second coordinate is used to represent a position coordinate of the second wireless charging device. Then, an offset angle of the first wireless charging device and the second wireless charging device may be calculated from the first coordinate and the second coordinate, wherein the offset angle may be an offset angle between a central axis of the first wireless charging device and a central axis of the second wireless charging device, and a position of the virtual model of the first wireless charging device may be updated in real time according to the vehicle displacement. It should be noted that, no matter the vehicle is in the automatic driving mode or the user driving mode, when the central point of the first wireless charging device is already aligned with the central point of the second wireless charging device, the alignment direction and the offset angle can be calibrated according to the coordinate information and the offset angle, so that more accurate alignment is realized, and the wireless charging efficiency is improved.

In an alternative embodiment, in response to the distance between the electric vehicle and the second charging device being within the wireless network coverage area of the vehicle entering the second wireless charging device, WIFI communication is established with the second wireless charging device, the AVM cannot capture the coil in the second wireless charging device, the WOBC can detect the range of relative position information of the vehicle-mounted coil and the ground coil, the WOBC accepts the relative position information between the first wireless charging apparatus and the second wireless charging apparatus transmitted by the second wireless charging apparatus, and the detected relative position information of the vehicle-mounted coil (i.e. the first wireless charging device) and the ground coil (the second wireless charging device) is converted into coordinate parameters, the AVM transmits the position coordinate information through WOBC, and displaying the second guiding information on the display screen in real time so as to ensure that the first wireless charging device and the second wireless charging device of the vehicle are aligned successfully.

It should be noted that, as shown in fig. 5, the coil (i.e. the first wireless charging device) and the second wireless charging device in the electric vehicle are already aligned, and the offset angle is 0, the second guiding message may only include the alignment guide line, and the offset angle is not included, fig. 6 is a schematic diagram of the center points of the first wireless charging device and the second wireless charging device being aligned, but the offset angle still exists, as shown in fig. 6, when the first wireless charging device and the second wireless charging device have the offset angle, the display screen may show that the coil (i.e. the first wireless charging device) and the ground coil (i.e. the second wireless charging device) in the electric vehicle are not completely aligned, and then the AVM generates a specific alignment guide line according to the offset angle and displays the alignment guide line in the display screen through IVI, wherein, the counterpoint guide wire can make the central point of first wireless charging device and the successful counterpoint of the central point of second wireless charging device to can make the axis of first wireless charging device and the axis of second wireless charging device align completely, through the counterpoint guide wire that shows in the display screen, can guide the user to carry out accurate counterpoint according to central point and coil direction, improve counterpoint precision and wireless efficiency of charging.

The invention provides a wireless charging alignment guide control method for an electric automobile, which can indicate the current wireless charging process and state in real time in the wireless charging process of the electric automobile, and provides a wireless charging alignment guide function based on user driving and automatic parking. In the control method, the user driving alignment guidance function includes: when a user drives a vehicle and intends to start a wireless charging function, when the vehicle is connected with the ground coil in a WIFI mode and enters a waiting alignment state, the IVI automatically shows a ground coil guide line, a vehicle-mounted coil and a relative position image of the ground coil to the user, alignment guidance of the ground coil and the vehicle-mounted coil is conducted on the user, after alignment is successful, a guide interface automatically exits, and the vehicle can start wireless alternating current charging. The automatic parking alignment guiding function comprises: the user can automatically identify and align the wireless charging ground coil and the vehicle-mounted coil through the automatic parking function of the vehicle, so that the automatic alignment and starting function of wireless alternating current charging is realized.

The present embodiment will be further described with reference to fig. 2 to 10.

The invention provides a system-level control method for wireless charging alignment guidance of an electric vehicle, which comprises the following steps: the system comprises a vehicle-mounted end wireless charger, a ground end wireless charging device, a wall end control device, a power battery, a battery management system, a vehicle control unit, a driving mode controller, a suspension controller, an instrument controller, a sound entertainment system, a panoramic image controller, a parking controller, a remote communication controller, a Bluetooth module and a mobile customer service end APP.

The invention provides a wireless charging alignment guiding function based on user driving and automatic parking.

As shown In fig. 7, fig. 7 is an optional Wireless charging alignment guidance System for an electric Vehicle according to an embodiment of the present invention, which includes a Battery Management System (BMS), a power battery (state of charge, SOC), a Wireless Charger (Wireless On Board Charger, WOBC), a Ground-side Wireless charging device (group association, GA), a Wireless charging pile (Wallbox, WB), a Vehicle controller (Vehicle Control Unit, VCU), a Driving mode controller (Driver System, DMS), a Suspension controller (Electronic Controlled Air Suspension, ECAS), a heater (Positive Temperature Coefficient, PTC), an Instrument controller (Instrument Cluster, IC), an audio entertainment System (In Vehicle, IVI), a remote communication controller (remote communication, mobile communication, APP), a Bluetooth client (Bluetooth module, Bluetooth client), a Bluetooth module (bus, usb module, BLE), panoramic image controller (AVM).

The WOBC is used for responding to a wireless charging current request of the battery management system, charging the power battery or providing electric energy for the PTC heater and sending a contraposition state signal. The ground-end wireless charging device GA is responsible for detecting the position coordinates of the vehicle-mounted-end wireless charging coil and detecting whether metal foreign matters or organism foreign matters exist near the charging panel. The wireless charging pile WB provides a WIFI (wireless fidelity, wireless local area network) communication module, and transmits the information of the ground-end wireless charging device to the WOBC. The battery management system BMS is mainly used for sending a charging request to the vehicle-mounted end wireless charger, judging the charging state of the power battery and sending the charging state to the vehicle control unit. The VCU of the vehicle controller is responsible for judging whether the whole vehicle has wireless charging conditions, receiving a BMS charging/heating request, sending a wireless charging inquiry request, finishing wireless charging starting and quitting, controlling a heater to be turned on and off, judging a wireless charging real-time state and diagnosing system faults. The sound box entertainment system IVI is used for a user to set a wireless charging mode (automatic mode/inquiry mode/timing mode) in a user-defined mode, displaying an alignment guide interface for driving and automatic parking of the user, prompting a wireless charging starting inquiry popup window and providing an automatic parking starting button. And the remote communication controller TBOX is used for receiving and storing the charging mode set by the user and realizing the information communication between the vehicle side and the mobile client side. The meter controller IC is used for displaying wireless charging state information and charging system fault information. The mobile customer service end APP is used for displaying the wireless charging state of the vehicle and pushing system fault information in real time, providing a remote end automatic parking starting key and prompting the remote end to park and align the wireless charging inquiry popup window. The panoramic image controller AVM is used for displaying the information of the alignment guide interface on the basis of the panoramic interface, simulating and calculating the position of the ground coil, receiving and displaying the coordinates of the WOBC ground coil. The parking controller HAD is used for realizing wireless charging parking space identification, automatic parking of vehicles and automatic alignment of wireless charging ground end coils, and sending a wireless charging request in an inquiry mode. The Bluetooth module BLE is used for realizing signal transmission of an automatic parking function of the vehicle end and the mobile client. The driving mode controller DMS and the suspension controller ECAS are responsible for responding to the VCU suspension height automatic adjustment request, so that the vehicle suspension height is matched with the optimal height for wireless charging alignment and charging.

(1) User driving alignment guide control method

Aiming at the wireless charging alignment guide function of a user driving mode, when a user drives a vehicle into the wireless network coverage area of a wall end control box and establishes WIFI communication, an instrument prompts a vehicle owner that a vehicle wireless charging network is connected according to the state information of a vehicle controller; when the vehicle speed is lower than 15km/h and the SOC is smaller than the charging limit value, the whole vehicle is in a waiting alignment state, and at the moment, if the vehicle is in an off-road driving mode, the vehicle cannot be aligned and identified due to the high position of a suspension, and an instrument prompts a user that the suspension is too high to influence charging alignment and please switch to a non-off-road mode; when the vehicle is in a non-off-road mode, the instrument prompt information is 'wireless charging alignment, please drive the vehicle to perform alignment', at the moment, the sound entertainment system can automatically display the position of the vehicle-mounted coil and a driving guide line of the ground charging plate through the panoramic image, the guide line is linked with a vehicle gear and a steering wheel in real time, and a user can drive into a wireless charging parking space by referring to the panoramic image information and the guide line. When the vehicle runs to the position above the ground coil, the image processing algorithm is combined with the current vehicle speed information, the position information of the ground coil relative to the vehicle is simulated, the image of the transparent chassis of the vehicle is displayed on the entertainment host in real time, and a user can refer to the position of the ground coil displayed under the transparent chassis for alignment. When a user drives a vehicle to be further close to the ground coil, the vehicle-mounted charger WOBC can detect the relative position information of the vehicle-mounted coil and the ground coil and convert the relative position information into coordinate parameters, and at the moment, the panoramic image interface displays the relative position, the offset coordinate and the offset angle of the vehicle-mounted coil and the ground coil in real time according to the position coordinate information sent by the WOBC to guide the user to carry out alignment. The user can clearly know the position deviation between the vehicle-mounted coil and the ground end coil through the panoramic image, when the vehicle is driven to be aligned successfully, the instrument can prompt the user to achieve alignment success, at the moment, the coil image in the host entertainment system is changed from blue to green, and the user stops parking to complete alignment. The user can carry out accurate counterpoint according to guide information, has also guaranteed charge efficiency when promoting the convenience of wireless charging, promotes user experience.

FIG. 8 is a flow chart of an alternative user driving alignment guide according to an embodiment of the present invention, as shown in FIG. 8: the vehicle-mounted wireless charger is used for sending a WOBC working state and a WOBC counterpoint state to a vehicle controller, sending a WOBC working state, a WOBC counterpoint state, a WOBC X direction coordinate, a WOBC Y direction coordinate and a WOBC offset angle to a panoramic image controller, sending a VCU user driving wireless charging inquiry to a sound entertainment system by the vehicle controller, receiving an IVI wireless charging request and a T-BOX wireless charging mode by the sound entertainment system, sending an IVI wireless charging request to the vehicle controller by the sound entertainment system, receiving the T-BOX wireless charging mode by the vehicle controller, sending a T-BOX wireless charging mode to the vehicle controller and the sound entertainment system by a remote communication controller, and when a user drives a vehicle to be close to a wireless charging pile (the distance is less than or equal to 30m), the wireless charging pile is successfully connected with the vehicle-mounted wireless charger through WIFI, WOBC sends WOBC _ working state to IVI-connection is established. When the vehicle speed is less than 15km/h, the WOBC _ working state is equal to connection establishment and the current SOC is less than the SOC charging limit value (the vehicle has a charging requirement), the WOBC sends the WOBC _ working state to waiting for alignment, and at the moment, the IVI displays a wireless charging alignment guide interface sent by the AVM. And the alignment guide interface is automatically displayed when the WOBC _ working state is changed from the other state to the 'waiting for alignment' state, and a user can close the guide interface by closing the key.

Fig. 2 is a schematic diagram of an alignment guidance interface of the second charging device that is not sensed by the vehicle panoramic image controller in an optional waiting alignment state according to an embodiment of the present invention, and as shown in fig. 2, when both the WOBC _ X direction coordinate and the WOBC _ Y direction coordinate are extreme values, only the vehicle-mounted coil position and the ground coil guide line are displayed in the panoramic image, and the ground coil guide line is displayed in the forward/reverse image, where the guide line guide direction is associated with steering of the steering wheel. The IVI interface displays a panoramic top view and a front/back real scene of the vehicle, and the user performs parking alignment according to the guide line at the moment.

Fig. 3 is a schematic diagram of an alignment guidance interface for sensing a second charging device by a vehicle panoramic image controller in an optional waiting alignment state according to an embodiment of the present invention, and as shown in fig. 3, when a vehicle travels to a position above a ground coil, an image processing algorithm is combined with current vehicle speed information to simulate position information of the ground coil relative to the vehicle, and the position information is displayed on an entertainment host in real time through a vehicle transparent chassis image, so that a user can perform alignment with reference to the ground coil simulated position displayed under the transparent chassis.

Fig. 4 is a schematic diagram of an alternative alignment guide interface according to an embodiment of the invention, as shown in fig. 4, when the ground coil detects the position information of the on-board coil through electromagnetic induction after the vehicle further approaches the ground coil, either the WOBC _ X-direction coordinate or the WOBC _ Y-direction coordinate signals a non-extreme coordinate, and the AVM displays the relative positions of the on-board coil and the ground coil in the panoramic image according to the coordinate value (X, Y) of the on-board coil relative to the ground coil and the WOBC _ offset angle information. And updating the coil graph position and the central point coordinate in real time according to the vehicle displacement. The IVI interface displays a panoramic top view and a coil position enlarged top view, and at the moment, a user adjusts the vehicle to align according to the coil relative position displayed by the IVI.

Fig. 5 is a schematic diagram of an optional guidance interface when the alignment is successful according to an embodiment of the present invention, as shown in fig. 5, when the AVM receives a successful WOBC _ alignment status, the alignment is successful, and the display color of the ground coil may change. When the charging condition is met, the VCU starts a charging process, the VCU sends a wireless charging mode request to the driving mode controller DMS, the DMS sends the optimal suspension height corresponding to the wireless charging mode to the suspension controller ECAS, and the ECAS is responsible for responding to the request, so that the vehicle suspension height is matched with the optimal charging distance of the wireless charging coil, and the wireless charging efficiency of the whole vehicle is improved. After wireless charging is finished, the VCU clears the wireless charging mode request signal, and the suspension controller ECAS automatically adjusts the suspension height to the height corresponding to the original driving mode without changing the original setting of a user.

Fig. 6 is a schematic diagram illustrating that the center points of the first wireless charging device and the second wireless charging device are aligned, but the offset angle still exists, and as shown in fig. 6, when the first wireless charging device and the second wireless charging device have the offset angle, the display screen can display that the coil (i.e. the first wireless charging device) in the electric vehicle is not completely aligned with the ground coil (i.e. the second wireless charging device), the AVM generates a specific alignment guide line according to the offset angle and displays the alignment guide line in the display screen through IVI, wherein the alignment guide line can successfully align the center point of the first wireless charging device with the center point of the second wireless charging device, and can completely align the central axis of the first wireless charging device with the central axis of the second wireless charging device through the alignment guide line displayed in the display screen, the user can be guided to carry out correct counterpoint according to central point and coil direction, improve counterpoint precision and wireless efficiency of charging.

In the inquiry mode:

when the vehicle IG is ON and the WOBC _ alignment state is successful, the shift position signal is P shift, and the T-BOX _ wireless charging mode is query mode, and [ BMS _ charging request is request or BMS _ charging heating request is request ] and { VCU _ wireless charging state ≠ wireless charging in or wireless charging heating ] } HAD _ automatic parking request is no request, the VCU sends 5 frames VCU _ user driving wireless charging query to the IVI, the IVI prompts the user "alignment is successful, whether to immediately start wireless charging? When the user clicks "ok", the IVI sends an IVI _ wireless charging request to the VCU, which is a request to start. The VCU starts wireless charging according to a wireless charging established strategy. If the user clicks 'cancel', the IVI _ wireless charging request is no request, and the vehicle keeps the current state.

When the IVI prompts the user that "is the alignment successful, is the wireless charging started immediately? ", the user should click on the" confirm "or" cancel "button within 10s, and default user selection" cancel "if the user is unresponsive. When the user selects within 10s, the vehicle IG ON cycle IVI does not display any inquiry prompts at this time.

In the automatic mode:

when the VCU judges that the WOBC _ alignment state is successful & & T-BOX _ wireless charging mode &automaticmode & [ BMS _ charging request & ] has a request or BMS _ charging heating request & ] has a request & & gear information & ] P gear, the VCU immediately starts wireless charging. The meter displays the wireless charging start and the wireless charging in sequence.

In a timing mode:

when the VCU judges that the WOBC _ counterpoint state is successful, the wireless charging mode is & & T-BOX & & & & & & [ BMS _ charging request & ] or the BMS _ charging heating request is requested ] & & VCU _ wireless charging permission ≠ permission & & VCU _ wireless charging heating permission ≠ permission & & BMS _ charging state & & initial state & & gear information is in a P gear, the VCU controls the whole vehicle to be in a wireless charging reservation waiting state, the meter displays that the wireless charging is reserved, charging is started at XX, the TBOX wakes up the vehicle after the reservation time is reached, the VCU responds to the TBOX _ wireless timing charging request, and the whole vehicle starts a charging process.

(2) Automatic parking alignment guide control method

Fig. 9 is a flowchart of an alternative automatic parking alignment guidance according to an embodiment of the present invention, where as shown in fig. 9, the vehicle-mounted wireless charger is configured to send a WOBC _ working state, a WOBC _ alignment state, WOBC _ X-direction coordinates, WOBC _ Y-direction coordinates, and WOBC _ offset angle to the parking controller, the parking controller is configured to send a HAD _ wireless charging request to the vehicle controller, send a HAD _ automatic parking wireless charging query to the bluetooth module, send a HAD _ automatic parking wireless charging query to the entertainment system, the bluetooth module is configured to send APP _ automatic parking wireless charging feedback to the parking controller, send a HAD _ automatic wireless charging query to the mobile client, the mobile client is configured to send APP _ automatic parking wireless charging feedback to the bluetooth module, the entertainment system is configured to send IVI _ automatic parking wireless charging feedback to the parking controller, the vehicle control unit is used for receiving WOBC _ working state information, WOBC _ counterpoint state information and a T-BOX _ wireless charging mode, the remote communication controller is used for sending the T-BOX _ wireless charging mode to the vehicle control unit, when a user intends to automatically park and start wireless charging, a 'one-key parking' function key can be started at an IVI or APP end, at the moment, the vehicle can automatically identify a parking space configured with wireless charging equipment and start a parking function, and the vehicle sends a vehicle speed and a corner signal to a parking system HAD. At this time, the IVI displays a parking corresponding interface. When any signal of the WOBC _ X direction coordinate and the WOBC _ Y direction coordinate is a non-extreme value, the HAD automatically carries out wireless charging coil alignment according to the coordinate value (X, Y) of the vehicle-mounted coil relative to the ground coil sent by the WOBC, and when the WOBC _ alignment state is successful, the parking system HAD stops alignment. When the charging condition is met, the VCU starts a charging process, the VCU sends a wireless charging mode request to the driving mode controller DMS, the DMS sends the optimal suspension height corresponding to the wireless charging mode to the suspension controller ECAS, and the ECAS is responsible for responding to the request, so that the suspension height of the vehicle is matched with the optimal charging distance of the wireless charging coil, and the wireless charging efficiency of the whole vehicle is improved. After wireless charging is finished, the VCU clears the wireless charging mode request signal, and the suspension controller ECAS automatically adjusts the height of the suspension to the height corresponding to the original driving mode without changing the original setting of a user. If the user starts the automatic parking charging alignment function, the VCU _ user driving the wireless charging inquiry is not prompted in the current parking cycle.

In the inquiry mode:

when WOBC _ alignment state is successful, T-BOX _ wireless charging mode is inquiry mode, BMS _ charging request is request or BMS _ charging heating request is request, gear information is P gear, and HAD _ working state is successful, HAD continuously sends signal HAD _ parking wireless charging inquiry to IVI and BLE as prompt, and the prompt is displayed on interface IVI and APP to prompt whether wireless charging is started immediately or not? When one of the IVI/APP selects, the HAD stops sending the prompt signal, the IVI/APP turns off the inquiry prompt, the HAD sends the user selection result HAD _ wireless charging inquiry feedback (start/end) to the VCU, and the VCU determines whether to start wireless charging according to the user confirmation result. When the user clicks "confirm", the HAD sends 5-frame HAD _ wireless charging inquiry feedback to the VCU, which is start-up, and the VCU starts wireless charging. And if the user clicks 'cancel', the HAD sends 5-frame HAD _ wireless charging inquiry feedback, namely cancellation, and the HAD judges whether the whole vehicle needs to be powered off or not by combining the parking operation mode.

When the IVI/APP prompts the user that "is the alignment successful, is the wireless charging started immediately? The "user should click on the" confirm "or" cancel "button within 10s, and if the user does not respond, the default user selects" cancel ". And after the user selects within 10s, the IVI/APP of the IG ON cycle does not display the inquiry prompt any more. And after the automatic parking alignment is successful, the HAD preferentially displays a wireless charging inquiry window, and after the user finishes selection, the parking success window is not displayed any more.

In the automatic mode:

In a timing mode:

when the VCU determines that the WOBC _ alignment state is successful & & T-BOX _ wireless charging mode & & timing mode & [ BMS _ charging request ═ request or BMS _ charging heating request ═ request ] & & VCU _ wireless charging permission ≠ permission & & BMS _ charging state & & initial state & & gear information ═ gear, the VCU controls the whole vehicle in the wireless charging reservation waiting state, the meter displays that "wireless charging is reserved, charging is started at XX: XX, when the reservation time is reached, the TBOX wakes up the vehicle, the VCU responds to the TBOX _ wireless timing charging request, and the whole vehicle charging process is started.

Fig. 10 is a flow chart of an alternative radio charging control process according to an embodiment of the present invention, the process comprising the steps of:

s1001, successfully aligning an automobile charging coil and a charging pile charging coil;

step S1002, the vehicle controller judges whether the vehicle charging mode is the inquiry mode, if yes, the step S1003 is executed, and if not, the step S1012 is executed;

step S1003, the vehicle control unit judges whether the vehicle starts wireless charging, if yes, the step S1004 is executed, and if not, the step S1009 is executed;

step S1004, the vehicle starts wireless charging;

step S1005, starting wireless charging and heating by the vehicle;

step S1006, wirelessly charging the vehicle;

step S1007, the vehicle control unit judges whether the battery electric quantity reaches the charging limit value when the charging is stopped, if yes, the step S1008 is executed, and if not, the step S1010 is executed;

step S1008, completing wireless charging of the vehicle;

step S1009, confirming that the user has no charging demand;

step S1010, stopping wireless charging of the vehicle;

step S1011, displaying fault information, wherein the fault information may include at least one of the following: abnormal foreign matter detection, abnormal living body detection, overhigh temperature of a power battery, overlarge temperature difference of the power battery, fault of a vehicle charging system and the like;

step S1012, the vehicle controller determines whether the timing mode is set, if so, proceeds to step S1013, and if not, proceeds to step S1004;

step S1013, the vehicle control unit judges whether the vehicle is in a time period of timing charging, if so, the step S1004 is executed, and if not, the step S1014 is executed;

in step S1014, the vehicle waits for the wireless charging at regular time.

Example 2

According to another aspect of the embodiments of the present invention, there is also provided an electric vehicle control system, including: the control device is used for responding to the received wireless charging request, and acquiring the vehicle driving state, the vehicle speed and the communication state of the electric automobile, wherein the vehicle driving state comprises one of the following conditions: the communication state is used for representing the communication state of the electric automobile and a second wireless charging device, and the second wireless charging device is located on the ground and is used for wirelessly charging the electric automobile; responding to the fact that the vehicle driving state is a user driving state, the vehicle speed is smaller than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, and displaying guide information in a display screen of the electric vehicle, wherein the guide information at least comprises alignment guide information which is used for representing a moving route of the electric vehicle so as to enable the first wireless charging device and the second wireless charging device to be aligned; responding to the fact that the vehicle driving state is an automatic driving state, the vehicle speed is smaller than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, controlling the electric vehicle to move based on the vehicle speed and image information so that the first wireless charging device and the second wireless charging device can be aligned, wherein the image information is used for representing a panoramic image collected by a controller on the electric vehicle; the second wireless charging device is used for wirelessly charging the electric automobile;

example 3

Example 4

According to another aspect of the embodiments of the present invention, there is also provided an electric vehicle control apparatus, which can execute the electric vehicle control method provided in embodiment 1, and a specific implementation manner and a preferred application scenario are the same as those in embodiment 1, and are not described herein again.

Fig. 11 is a schematic structural diagram of an electric vehicle control apparatus according to an embodiment of the present invention, and as shown in fig. 11, the apparatus includes: a first obtaining module 1102, configured to obtain a vehicle driving state, a vehicle speed, and a communication state of the electric vehicle in response to receiving the wireless charging request, where the vehicle driving state includes one of: the communication state is used for representing the communication state of the electric automobile and a second wireless charging device, and the second wireless charging device is located on the ground and is used for wirelessly charging the electric automobile; the first display module 1104 is configured to display guidance information in a display screen of the electric vehicle in response to that the driving state of the vehicle is a user driving state, the vehicle speed is less than a preset vehicle speed threshold, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, where the guidance information at least includes alignment guidance information, and the alignment guidance information is used for representing a moving route of the electric vehicle, so that the first wireless charging device and the second wireless charging device are aligned; the control module 1106 is configured to, in response to that the driving state of the vehicle is an automatic driving state, the vehicle speed is less than a preset vehicle speed threshold, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated with each other, control the electric vehicle to move based on the vehicle speed and image information, so that the first wireless charging device and the second wireless charging device are aligned, where the image information is used to represent a panoramic image collected by a controller on the electric vehicle.

Optionally, the apparatus further comprises: the second display module is used for displaying first state information in the display screen, wherein the first state information is used for representing that the first wireless charging device and the second wireless charging device are aligned successfully; the second obtaining module is used for obtaining a vehicle response mode of the electric automobile, wherein the vehicle response mode comprises one of the following modes: an inquiry mode, an automatic mode, and a timed mode; and the determining module is used for determining whether the electric automobile is wirelessly charged through the second wireless charging device or not based on the vehicle response mode.

Optionally, the determining module includes: the display and charging unit is used for responding to the fact that the vehicle response mode is the inquiry mode, displaying first prompt information on a display screen, responding to the fact that a first operation instruction is received, and wirelessly charging the electric automobile through the second wireless charging device, wherein the first prompt information is used for prompting whether the second wireless device is used for wirelessly charging or not, and the first operation instruction is used for representing and confirming that the electric automobile is wirelessly charged; the charging unit is used for responding to the fact that the vehicle response mode is the automatic mode, and wirelessly charging the electric automobile through the second wireless charging device; and the display unit is used for responding to the fact that the vehicle response mode is the timing mode, and displaying second prompt information on the display screen, wherein the second prompt information is used for prompting that the electric automobile is wirelessly charged through the second wireless charging device after waiting for the preset time.

Optionally, the charging unit comprises: the first acquisition subunit is used for acquiring the suspension height of the electric automobile; the display subunit is used for responding that the height of the suspension does not accord with the preset range, and displaying third prompt information on a display screen, wherein the third prompt information is used for prompting a user to switch the vehicle driving modes, the electric automobile has multiple vehicle driving modes, and the heights of the suspensions corresponding to different vehicle driving modes are different; the second obtaining subunit is used for responding to the second operation instruction and obtaining a target vehicle driving mode corresponding to the second operation instruction; and the switching mode subunit is used for switching the vehicle driving mode to be the target vehicle driving mode so as to adjust the height of the suspension.

Optionally, the determining module further comprises: an acquisition unit for acquiring a vehicle state of the electric vehicle; and the determining unit is used for responding to the condition that the vehicle state meets the preset condition and determining whether the electric automobile is wirelessly charged through the second wireless charging device or not based on the vehicle response mode.

Optionally, the first display module comprises: the generating unit is used for responding that the distance between the electric automobile and the second wireless charging device is within a first preset range, processing image information and the vehicle speed by using an image processing algorithm, generating first guide information, and displaying the first guide information on a display screen, wherein the first guide information comprises first parking guide information and first alignment guide information, the first parking information is used for representing a parking guide line between the electric automobile and the wireless charging parking space, the first alignment guide information is used for representing an alignment guide line based on the first wireless charging device and the second wireless charging device, and the alignment guide line and the parking guide line are in an incidence relation with the rotating angle of the steering wheel; and the display unit is used for responding to the distance between the electric automobile and the second wireless charging device being within a second preset range, and displaying second guiding information on the display screen, wherein the second guiding information comprises a second alignment guide line, and the second alignment guiding information is used for representing the alignment guide line based on the first wireless charging device and the second wireless charging device, and the offset angle between the virtual model of the electric automobile and the alignment guide line.

Optionally, the display unit comprises: the acquisition subunit is used for responding to the fact that the distance between the electric automobile and the second wireless charging device is within a third preset range, and acquiring historical image information and the automobile speed; a determination subunit configured to determine a target position of the second wireless charging apparatus based on the history image information and the vehicle speed; a generation subunit configured to generate second guidance information based on a current position and a target position of the first wireless charging apparatus; and the display word unit is used for displaying the second guide information on the display screen.

Optionally, the apparatus further comprises: the receiving module is used for responding to the fact that the distance between the electric automobile and the second charging device is within a fourth preset range, and receiving relative position information sent by the second wireless charging device, wherein the relative position information is used for representing the relative position information between the first wireless charging device and the second wireless charging device; the processing module is used for converting the relative position information into coordinate information; the generating module is used for generating second guide information based on the coordinate information; and the third display module is used for displaying the second guide information on the display screen.

Example 5

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may also be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims

1. An electric vehicle control method, characterized in that the electric vehicle is provided with a first wireless charging device, the method comprising:

in response to receiving a wireless charging request, obtaining a vehicle driving state, a vehicle speed and a communication state of the electric vehicle, wherein the vehicle driving state comprises one of the following: the communication state is used for representing the communication state of the electric automobile and a second wireless charging device, and the second wireless charging device is located on the ground and is used for wirelessly charging the electric automobile;

in response to that the vehicle driving state is the user driving state, the vehicle speed is less than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, displaying guidance information in a display screen of the electric vehicle, wherein the guidance information at least comprises alignment guidance information, and the alignment guidance information is used for representing a moving route of the electric vehicle so as to align the first wireless charging device and the second wireless charging device;

responding to the fact that the vehicle driving state is the automatic driving state, the vehicle speed is smaller than a preset vehicle speed threshold value, the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, and controlling the electric vehicle to move based on the vehicle speed and image information so that the first wireless charging device and the second wireless charging device can be aligned, wherein the image information is used for representing a panoramic image collected by a controller on the electric vehicle.

2. The method of claim 1, wherein in response to the first wireless charging apparatus and the second wireless charging apparatus being successfully aligned, the method further comprises:

displaying first state information in the display screen, wherein the first state information is used for representing that the first wireless charging device and the second wireless charging device are successfully aligned;

acquiring a vehicle response mode of the electric automobile, wherein the vehicle response mode comprises one of the following modes: an inquiry mode, an automatic mode, and a timed mode;

determining whether to wirelessly charge the electric vehicle by the second wireless charging device based on the vehicle response pattern.

3. The method of claim 2, wherein determining whether to wirelessly charge the electric vehicle via the second wireless charging device based on the vehicle response pattern comprises:

responding to the vehicle response mode being the query mode, displaying first prompt information on the display screen, responding to receiving a first operation instruction, and wirelessly charging the electric automobile through the second wireless charging device, wherein the first prompt information is used for prompting whether the second wireless device is used for wirelessly charging or not, and the first operation instruction is used for representing and confirming that the electric automobile is wirelessly charged;

wirelessly charging the electric vehicle by the second wireless charging device in response to the vehicle response mode being the automatic mode;

and responding to the vehicle response mode as the timing mode, and displaying second prompt information on the display screen, wherein the second prompt information is used for prompting that the electric automobile is wirelessly charged through the second wireless charging device after waiting for preset time.

4. The method of claim 3, wherein wirelessly charging the electric vehicle via the second wireless charging device comprises:

acquiring the height of a suspension of the electric automobile;

responding to the situation that the height of the suspension does not accord with a preset range, and displaying third prompt information on the display screen, wherein the third prompt information is used for prompting a user to switch vehicle driving modes, the electric automobile has multiple vehicle driving modes, and the heights of the suspensions corresponding to the different vehicle driving modes are different;

responding to a second operation instruction, and acquiring a target vehicle driving mode corresponding to the second operation instruction;

switching the vehicle driving mode to the target vehicle driving mode to adjust the suspension height.

5. The method of claim 2, wherein determining whether to wirelessly charge the electric vehicle via the second wireless charging device based on the vehicle response pattern comprises:

acquiring a vehicle state of the electric vehicle;

and in response to the vehicle state meeting a preset condition, determining whether to wirelessly charge the electric automobile through the second wireless charging device based on the vehicle response mode.

6. The method of claim 1, wherein displaying guidance information in a display screen of the electric vehicle comprises:

in response to that the distance between the electric automobile and the second wireless charging device is within a first preset range, processing the image information and the vehicle speed by using an image processing algorithm, generating first guiding information, and displaying the first guiding information on the display screen, wherein the first guiding information comprises first parking guiding information and first alignment guiding information, the first parking information is used for representing a parking guide line between the electric automobile and a wireless charging parking space, the first alignment guiding information is used for representing an alignment guide line based on the first wireless charging device and the second wireless charging device, and the alignment guide line and the parking guide line are in an association relationship with the rotation angle of a steering wheel;

in response to a distance between the electric vehicle and the second wireless charging device being within a second preset range, displaying second guiding information on the display screen, wherein the second guiding information includes a second alignment guide line, and the second alignment guiding information includes at least one of: an alignment guide line based on the first wireless charging device and the second wireless charging device, and an offset angle between the first wireless charging device and the second wireless charging device.

7. The method of claim 6, wherein the second preset range comprises a third preset range, and wherein displaying second guidance information on the display screen comprises:

responding to the fact that the distance between the electric automobile and the second wireless charging device is within the third preset range, and obtaining historical image information and the automobile speed;

determining a target location of the second wireless charging device based on the historical image information and the vehicle speed;

generating the second guidance information based on a current location of the first wireless charging device and the target location;

displaying the second guidance information on the display screen.

8. The method of claim 6, wherein the second preset range comprises a fourth preset range, and wherein displaying second guidance information on the display screen comprises:

receiving relative position information sent by the second wireless charging device in response to the distance between the electric automobile and the second wireless charging device being within the fourth preset range, wherein the relative position information is used for representing the relative position information between the first wireless charging device and the second wireless charging device;

converting the relative position information into coordinate information;

generating the second guide information based on the coordinate information;

displaying the second guidance information on the display screen.

9. An electric vehicle control system, comprising:

the control device is used for responding to the received wireless charging request, and acquiring the vehicle driving state, the vehicle speed and the communication state of the electric automobile, wherein the vehicle driving state comprises one of the following states: the communication state is used for representing the communication state of the electric automobile and a second wireless charging device, and the second wireless charging device is located on the ground and is used for wirelessly charging the electric automobile; in response to that the vehicle driving state is the user driving state, the vehicle speed is less than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, displaying guidance information in a display screen of the electric vehicle, wherein the guidance information at least comprises alignment guidance information, and the alignment guidance information is used for representing a moving route of the electric vehicle so as to align the first wireless charging device and the second wireless charging device; responding to the fact that the vehicle driving state is the automatic driving state, the vehicle speed is smaller than a preset vehicle speed threshold value, and the communication state is that the electric vehicle and the second wireless charging device are successfully communicated, controlling the electric vehicle to move based on the vehicle speed and image information, so that the first wireless charging device and the second wireless charging device are aligned, wherein the image information is used for representing a panoramic image collected by a controller on the electric vehicle;

and the second wireless charging device is used for wirelessly charging the electric automobile.

10. An electric vehicle, comprising: the electric vehicle control system of claim 9.