Electric vehicle charging lid control method, device, and electric vehicle

Abstract

The present invention discloses a method, device, and electric vehicle for controlling the charging lid of an electric vehicle, which can determine whether a user is approaching the charging lid by detecting a biological signal. After the biological signal is detected, an image of the area in front of the charging lid is captured and compared with pre-stored images of a predetermined gesture. If the gesture is successfully matched, it indicates that the user has currently performed a specific gesture action to control the charging lid. At this time, it is possible to automatically control the opening and closing of the charging lid, eliminating the need for the user to undergo complicated steps such as manually operating the charging lid, thereby improving the convenience of charging.

Description

[Technical Field]

[0001] This application claims priority to a Chinese patent application filed on April 26, 2021, bearing application number 202110452772.9 and entitled "Method and device for controlling charging lid of electric vehicle, and electric vehicle," the entire contents of which are incorporated herein by reference.

[0002] The present invention relates to the technical field of electric vehicles, and more particularly to a charging lid control method and device for an electric vehicle, and an electric vehicle. [Background technology]

[0003] With the rapid development of electric vehicles, their market share in the automotive sector is becoming increasingly larger. Electric vehicles are characterized by zero pollution, low noise, and high energy efficiency, making them one of China's strategic emerging industries.

[0004] Electric vehicles typically use an on-board power source as power and are propelled by a motor instead of a fuel engine. Currently, storage batteries are the most widely used power source for electric vehicles, and the charging port of the storage battery is usually protected by a charging lid. Before charging the electric vehicle, the driver must press an internal button to control the opening of the charging lid, and after charging is complete, the charging lid must be manually closed. This operation is complicated, and if the driver forgets to open the charging lid before getting out of the vehicle, they must return to the vehicle to press the button again, which does not meet the demand for convenience. Summary of the Invention

[0005] Embodiments of the present invention provide a charging lid control method for an electric vehicle, an apparatus for automatically controlling the opening and closing of a charging lid of an electric vehicle, and an electric vehicle.

[0006] In a first aspect, an embodiment of the present invention is a method for controlling a charging lid of an electric vehicle, comprising: Detecting a biological signal in the vicinity of the charging lid; If a biosignal is detected, capturing an image in front of the charging lid; Matching the captured image with pre-stored images of predetermined gestures; When the collected image is successfully matched with a pre-stored image of a predetermined gesture, the charging lid state is switched between an open state and a closed state.

[0007] The charging lid control method according to the embodiment of the present invention detects a biological signal to determine whether a user is approaching the charging lid. After the biological signal is detected, an image of the area in front of the charging lid is collected, and an image of a gesture performed by the user is collected. The collected image is then compared with pre-stored images of specific gestures. If the comparison is successful, the method indicates that the gesture performed by the user in front of the charging lid is a specific gesture stored in advance. After the gesture comparison is successful, the method automatically switches the state of the charging lid. This allows the user to automatically control the opening and closing of the charging lid by performing a specific gesture in front of the charging lid, eliminating the need for the user to perform complicated steps such as manually operating the charging lid, improving charging convenience.

[0008] In some embodiments of the present invention, the biological signal includes an infrared signal, and by detecting the infrared signal in the vicinity of the charging lid, it is possible to determine whether a biological body is in the vicinity of the charging lid.

[0009] In some embodiments of the present invention, the pre-stored predefined gesture images include a plurality of predefined gesture images; Matching the collected image with pre-stored images of predetermined gestures includes: matching the collected images with images of each predetermined gesture; determining that the gesture matching is successful when the similarity between the collected image and the image of at least one predetermined gesture is equal to or greater than a preset threshold; and determining that the gesture matching has failed if the similarity between the collected image and the image of each predetermined gesture is smaller than a preset threshold.

[0010] Images of a plurality of predetermined gestures are stored in advance, and these predetermined gesture images may be different or similar. In this case, after an image of a user's gesture is collected, the collected image can be sequentially matched with images of a plurality of predetermined gestures. If the similarity between the collected image and the image of at least one predetermined gesture is equal to or greater than a preset threshold, it indicates that the gesture matching has been successful, and at this time, it is possible to automatically control the switching of the state of the charging lid.

[0011] By performing gesture matching using images of multiple different predetermined gestures, it is possible to diversify the control gestures for switching the state of the charging lid, and in this case, a user can control switching the state of the charging lid by simply performing one specific gesture action. If a user fails to control one gesture action, they can try another gesture, improving the effectiveness and flexibility of gesture-based control. By performing gesture matching using images of multiple similar gestures, it is possible to efficiently match a user's gesture action, and the user need not perform a very standard gesture action to successfully match the gesture action, thereby improving the success rate of gesture matching.

[0012] In some embodiments of the present invention, after successfully matching the captured image with a pre-stored image of a predetermined gesture, before switching the state of the charging lid: The method further includes detecting a distance between the charging lid and an object near the charging lid, determining whether the distance between the charging lid and the object near the charging lid is equal to or greater than a predetermined safe distance, determining whether a charging device is currently connected to the charging dock if the distance between the charging lid and the object near the charging lid is equal to or greater than the safe distance, and switching the state of the charging lid if a charging device is not currently connected to the charging dock. If the distance between the charging lid and the object near the charging lid is less than the safe distance or if a charging device is currently connected to the charging dock, maintaining the current state of the charging lid.

[0013] If an object near the charging lid is located within the safe distance area, it can be considered that an object is blocking the charging lid, and switching the state of the charging lid at this time may injure the user or damage the charging lid. If a charging device is connected to the charging dock and the state of the charging lid is switched, a collision will occur between the charging lid and the charging device. Therefore, before switching the state of the charging lid, it is necessary to determine whether the distance between the object near the charging lid and the charging lid is greater than the safe distance. If no charging device is currently connected to the charging dock, the state of the charging lid can be switched; otherwise, the current state of the charging lid must be maintained.

[0014] In some embodiments of the present invention, switching the state of the charging lid specifically includes: The method includes determining the current state of the charging lid, switching the charging lid to a closed state if the charging lid is currently in an open state, and switching the charging lid to an open state if the charging lid is currently in a closed state.

[0015] By detecting a voltage signal at the mechanical connection position of the charging lid, it is determined whether the current state of the charging lid is open or closed, and if the charging lid is currently in the open state, the specific action performed by the user is to close the charging lid, and at this time, the charging lid is switched to the closed state, and if the charging lid is currently in the closed state, the specific action performed by the user is to open the charging lid, and at this time, the charging lid is switched to the open state.

[0016] In some embodiments of the present invention, if it is determined that the distance between the charging lid and an object near the charging lid is smaller than the safety distance, a first indication message may be further sent to indicate that an object is blocking the charging lid near the charging lid, and the first indication message may present to the user the reason why the state of the charging lid cannot currently be switched, and after resolving the problem, the user may perform a specific action again to trigger the switching of the state of the charging lid.

[0017] In some embodiments of the present invention, if it is determined that a charging device is currently connected to the charging dock, a second prompting message may be sent to indicate that a charging device is connected to the charging dock, and the second prompting message may present to the user the reason why the state of the charging lid cannot currently be switched, and after unplugging the charging device, the user may perform a specific action again to trigger the switching of the state of the charging lid.

[0018] In some embodiments of the present invention, an optical distance measuring device is used to emit a light beam of a predetermined wavelength near the charging lid, and the light beam is incident on an object near the charging lid and then reflected by the object and returned. In this case, the distance between the object and the charging lid can be obtained from half the product of the time it takes for the optical distance measuring device to emit the light beam of the predetermined wavelength and receive the reflected light beam of the predetermined wavelength and the speed of light. Based on the distance, it can be determined whether the object near the charging lid is located within a safe distance of the charging lid, and thereby whether to trigger a subsequent operation.

[0019] In some embodiments of the present invention, a first connection confirmation point (CC1) is provided at the position of the charging dock port, and a voltage signal from CC1 can be detected to determine whether a charging device is connected to the charging dock. If a voltage signal from CC1 is detected, it indicates that a charging device (e.g., a charging gun) is connected to the charging dock, and if a voltage signal from CC1 is not detected, it indicates that a charging device is not connected to the charging dock.

[0020] In a second aspect, an embodiment of the present invention provides a charging lid control device including a control module connected to a charging lid motor of an electric vehicle, a biosignal detection module, and an image acquisition module, wherein the control module is capable of transmitting control commands to electrodes of the charging lid and driving the charging lid motor to control opening and closing of the charging lid.

[0021] the biosignal detection module is connected to the control module and is for detecting a biosignal in the vicinity of the charging lid; The image capturing module is connected to the control module and is for capturing an image in front of the charging lid.

[0022] When a biological signal is detected, the control module collects an image in front of the charging lid, compares the collected image with a pre-stored image of a predetermined gesture, and, if the comparison of the collected image with the pre-stored image of the predetermined gesture is successful, switches the state of the charging lid, including between an open state and a closed state.

[0023] The control module may drive the biosignal detection module to detect a biosignal near the charging lid. By detecting the biosignal, it can be determined whether a user is approaching near the charging lid. After the biosignal is detected, the control module drives the image collection module to collect an image in front of the charging lid. The image collection module transmits the collected image to the control module, which compares the collected image with pre-stored images of predetermined gestures. If the comparison is successful, the control module indicates that the gesture action performed by the user in front of the charging lid is the pre-stored specific gesture action. After the gesture comparison is successful, the state of the charging lid is automatically switched. This allows the user to automatically control the opening and closing of the charging lid by performing a specific gesture action in front of the charging lid, eliminating the need for the user to perform complicated steps such as manually operating the charging lid and improving charging convenience.

[0024] In some embodiments of the present invention, the biological signal includes an infrared signal, and by detecting the infrared signal in the vicinity of the charging lid, it is possible to determine whether a biological body is in the vicinity of the charging lid.

[0025] In some embodiments of the present invention, the image acquisition module is driven to acquire an image in front of the charging lid only when the biosignal detection module detects that there is a biosignal near the charging lid, thereby avoiding the operation of image matching a large amount of image data due to continuous collection of images in front of the charging lid, thereby avoiding the generation of excessive invalid data and improving the effectiveness of gesture matching.

[0026] In some embodiments of the present invention, the control module may pre-store images of multiple predetermined gestures, and these predetermined gesture images may be different or similar. In this case, after an image of a user's gesture is collected, the collected image can be sequentially matched with images of multiple predetermined gestures. If the similarity between the collected image and at least one predetermined gesture image is equal to or greater than a preset threshold, it indicates that the gesture matching is successful, and at this time, the state switching of the charging lid can be automatically controlled.

[0027] By performing gesture matching using images of multiple different predetermined gestures, it is possible to diversify the control gestures for switching the state of the charging lid, and in this case, a user can control switching the state of the charging lid by simply performing one specific gesture action. If a user fails to control one gesture action, they can try another gesture, improving the effectiveness and flexibility of gesture control. By performing gesture matching using images of multiple similar gestures, it is possible to efficiently match a user's gesture action, and the user need not perform a very standard gesture action to successfully match the gesture action, thereby improving the success rate of gesture matching.

[0028] In some embodiments of the present invention, the charging dock control device further includes an optical ranging module and a charging dock detection module; the optical distance measurement module is connected to the control module and is for detecting a distance between an object near the charging lid and the charging lid; the charging dock detection module is connected to the control module and is for detecting the connection status of the charging dock; If the control module successfully matches the collected image with a pre-stored image of a predetermined gesture, it determines whether to switch the state of the charging lid, including between an open state and a closed state, based on the distance between the detected object near the charging lid and the charging lid and the current connection state of the charging dock.

[0029] If the captured image is successfully matched with the pre-stored predetermined gesture image, it indicates that the gesture currently being performed by the user has been successfully matched. At this time, the optical distance measurement module is further used to detect whether an object is blocking the charging lid, and the charging dock detection module is further required to detect the current connection status of the charging dock. The optical distance measurement module and the charging dock detection module send the detection result to the control module, and the control module can determine whether to switch the state of the charging lid based on the detection result. In this way, by performing a specific action in front of the charging lid, the user can automatically control the opening and closing of the charging lid when the charging lid is in a safe state, which eliminates the user's need to perform complicated steps such as manually operating the charging lid, improving charging convenience.

[0030] In some embodiments of the present invention, the control module is specifically configured to determine whether the distance between the object near the charging lid and the charging lid is greater than or equal to a predetermined safety distance, determine whether a charging device is currently connected to the charging dock if the distance between the object near the charging lid and the charging lid is greater than or equal to the safety distance, drive the charging lid motor to switch the state of the charging lid if a charging device is not currently connected to the charging dock, and drive the charging lid motor to maintain the current state of the charging lid if the distance between the object near the charging lid and the charging lid is less than the safety distance or if a charging device is currently connected to the charging dock.

[0031] If an object near the charging lid is located within the safe distance range, it can be considered that an object is blocking the charging lid, and switching the state of the charging lid in this case may injure the user or damage the charging lid. Switching the state of the charging lid when a charging device is connected to the charging dock may result in a collision between the charging lid and the charging device. Therefore, before switching the state of the charging lid, it is necessary to determine whether the distance between the object near the charging lid and the charging lid is equal to or greater than the safe distance. Furthermore, if a charging device is not currently connected to the charging dock, the state of the charging lid can be switched; otherwise, the current state of the charging lid must be maintained.

[0032] In some embodiments of the present invention, the control module sends a detection control command to the optical distance measurement module, and the optical distance measurement module starts detecting the distance between an object near the charging lid and the charging lid based on the detection control command. The optical distance measurement module may be a known optical distance measurement device in the prior art, which emits a light beam of a predetermined wavelength near the charging lid, where the light beam is incident on an object near the charging lid and then reflected by the object and returns. In this case, the distance between the object and the charging lid can be obtained from half the product of the time it takes for the optical distance measurement device to emit the light beam of the predetermined wavelength and receive the reflected light beam of the predetermined wavelength and the speed of light. The optical distance measurement module sends the detected distance to the control module, and the control module can determine whether the object near the charging lid is located within a safe distance from the charging lid based on the distance. If the distance between the object near the charging lid and the charging lid is shorter than the safe distance, the control module drives the charging lid motor to maintain the current state of the charging lid. If the distance between the object near the charging lid and the charging lid is equal to or greater than the safety distance, the connection status of the charging dock is further determined.

[0033] In some embodiments of the present invention, the control module sends a detection control command to the charging dock detection module. The charging dock detection module detects a voltage signal of CC1 based on the detection control command and sends the detected voltage signal to the control module. If the detected voltage signal of CC1 is zero, the control module can determine that a charging device is not connected to the charging dock, and in this case, the control module drives the charging lid motor to switch the state of the charging lid. If the detected voltage signal of CC1 is not zero, the control module can determine that a charging device is connected to the charging dock, and in this case, the control module drives the charging lid motor to maintain the current state of the charging lid.

[0034] In some embodiments of the present invention, the charging lid control device further includes a charging lid status detection module connected to the control module for detecting a status of the charging lid.

[0035] The control module sends a detection control command to the charging lid state detection module, which detects a voltage signal at the mechanical connection position of the charging lid based on the detection control command and sends the detected voltage signal to the control module. The control module determines the current state of the charging lid based on the detected voltage signal, and if the charging lid is currently open, drives the charging lid motor to close the charging lid, and if the charging lid is currently closed, drives the charging lid motor to open the charging lid. This achieves switching of the charging lid state.

[0036] In some embodiments of the present invention, the charging lid control device further includes a message display module connected to the control module, and the message display module may be an audio player, an indicator light, a display panel, etc.

[0037] In some embodiments of the present invention, when the control module determines that the distance between the charging lid and an object near the charging lid is smaller than the safety distance, it sends a first indication message to the message indication module to indicate that an object is blocking the charging lid near the charging lid, and the message indication module indicates to the user that an object is blocking the charging lid near the charging lid based on the first indication message, and after resolving the problem, the user can perform a specific action again to trigger the switching of the charging lid state.

[0038] In some embodiments of the present invention, when the control module determines that the charging device is currently connected to the charging dock, it sends a second prompting message to the message prompting module to indicate that the charging device has been connected to the charging dock, and the message prompting module prompts the user that the charging device has been connected to the charging dock based on the second prompting message. After unplugging the charging device, the user can perform a specific action again to trigger switching of the state of the charging lid.

[0039] In a third aspect, an embodiment of the present invention provides an electric vehicle including any one of the charging lid control devices connected to a charging lid motor, the electric vehicle being capable of automatically controlling the opening and closing of the charging lid when a user performs a specific gesture movement in front of the charging lid.

[0040] In order to more clearly explain the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings necessary for the embodiments of the present invention. Obviously, the drawings introduced below are only some embodiments of the present invention, and those skilled in the art can also derive other drawings from these drawings without creative efforts. [Brief explanation of the drawings]

[0041] [Figure 1] Flowchart 1 of a charging lid control method according to an embodiment of the present invention [Figure 2] Flowchart 2 of the charging lid control method according to the embodiment of the present invention [Figure 3] Flowchart 3 of the charging lid control method according to the embodiment of the present invention [Figure 4] 1 is a structural diagram of a charging lid control device according to an embodiment of the present invention; [Figure 5] Second structural diagram of the charging lid control device according to the embodiment of the present invention [Explanation of symbols]

[0042] 11...control module, 12...biological signal detection module, 13...image acquisition module, 14...optical distance measurement module, 15...charging dock detection module, 16...charging lid state detection module, 17...message presentation module. DETAILED DESCRIPTION OF THE INVENTION

[0043] In order to make the above-mentioned objects, features, and advantages of the present invention clearer and easier to understand, the present invention will be further described below with reference to drawings and examples. However, the exemplary embodiments may be implemented in various forms and should not be understood as being limited to the embodiments described herein. On the contrary, providing these embodiments will make the present invention more comprehensive and complete and fully convey the concept of the exemplary embodiments to those skilled in the art. The same symbols in the drawings represent the same or similar structures, and therefore, redundant description thereof will be omitted. Words expressing positions and directions described in the present invention are all explained using the drawings as examples, but may be changed as necessary, and all such changes are within the scope of protection of the present invention. The drawings of the present invention are merely intended to illustrate relative positional relationships and do not represent actual proportions.

[0044] An electric vehicle uses a battery pack as a power source and a motor to convert electrical energy into mechanical energy to drive the vehicle. The power drive and control system of an electric vehicle is the core of the electric vehicle and is also the biggest difference from an internal combustion engine vehicle. Other devices are basically the same as those of an internal combustion engine vehicle. The power drive and control system consists of a drive motor, a power source, and a motor speed adjustment controller.

[0045] Electric vehicles are typically equipped with a charging dock located on the vehicle body or at the front of the vehicle. The charging dock is connected to the vehicle's battery, and the vehicle can be charged by inserting the charging gun head of the charging station into the charging gun holder. To protect the charging dock, a charging lid is typically installed on the charging dock. When charging the vehicle, the driver must press an internal button to control the opening of the charging lid, and then manually close the charging lid after charging is complete. This operation is complicated, and if the driver forgets to open the charging lid before getting out of the vehicle, they must return to the vehicle to press the button again, which does not meet the demand for convenience.

[0046] In view of this, an embodiment of the present invention provides a charging lid control method that can automatically control the opening and closing of the charging lid by detecting a gesture made by a person.

[0047] FIG. 1 is a flowchart illustrating a charging lid control method according to an embodiment of the present invention.

[0048] As shown in FIG. 1, the charging lid control method includes: S10: Detecting a biological signal in the vicinity of the charging lid; S20: If a vital sign is detected, capture an image in front of the charging lid; S30: Matching the collected image with pre-stored images of predetermined gestures; S40: Switching the state of the charging lid when the collected image is successfully matched with a pre-stored image of a predetermined gesture.

[0049] Here, the state of the charging lid includes an open state and a closed state. The method of detecting the biological signal may be real-time detection or periodic detection, and is not limited thereto.

[0050] The charging lid control method according to an embodiment of the present invention detects a biometric signal to determine whether a user is approaching the charging lid. After the biometric signal is detected, an image of the area in front of the charging lid is collected, and an image of a gesture performed by the user is collected. The collected image is then compared with pre-stored images of specific gestures. If the comparison is successful, it indicates that the gesture performed by the user in front of the charging lid is a specific gesture stored in advance. After the gesture comparison is successful, the state of the charging lid is automatically switched. Here, switching the state of the charging lid means switching the charging lid to a closed state if the charging lid is in an open state, and switching the charging lid to an open state if the charging lid is in a closed state. The specific gesture performed by the user can switch the charging lid to another state when the charging lid is in one of the above states.

[0051] This allows the user to control the opening and closing of the charging lid by performing a specific gesture action in front of the charging lid, improving the convenience of charging without requiring the user to go through complicated steps such as manually operating the charging lid.

[0052] In specific implementation, the biosignal may include an infrared signal, which is a type of signal emitted by a living body that can be distinguished from other objects, and the wavelength of the infrared signal is larger than the wavelength of visible light, so it does not interfere with the user's judgment of other objects visible to the eye. In addition, other signals that can distinguish between the human body and other objects may be used as the biosignal, and are not limited here.

[0053] An embodiment of the present invention collects an image in front of the charging lid only when a biological signal is detected near the charging lid, thereby avoiding the operation of matching large amounts of image data due to the continuous collection of images in front of the charging lid, thereby avoiding the generation of excessive invalid data and improving the effectiveness of gesture matching.

[0054] In an embodiment of the present invention, images of multiple predetermined gestures may be stored in advance, and these predetermined gesture images may be different or similar. In this case, after an image of a user's gesture is collected, the collected image can be sequentially matched with images of multiple predetermined gestures. If the similarity between the collected image and at least one predetermined gesture image is equal to or greater than a preset threshold, it indicates that the gesture matching is successful, and at this time, it is possible to automatically control the switching of the state of the charging lid.

[0055] By matching gestures using images of multiple different predetermined gestures, it is possible to diversify the control gestures for switching the state of the charging lid, and in this case, the user can control the switching of the state of the charging lid by simply performing one specific gesture action. If the user fails to control one gesture action, they can try another gesture, improving the effectiveness and flexibility of gesture control.

[0056] By matching gestures using images of a plurality of similar gestures, the user's gesture actions can be matched efficiently, and the user does not need to perform extremely standard gesture actions, and the gesture actions can be successfully matched, thereby improving the success rate of gesture matching.

[0057] In an embodiment of the present invention, after the gesture is successfully matched, it is further necessary to detect whether an object is blocking the charging lid near the charging dock, and then to detect the current connection status of the charging dock, so that it can be determined whether to switch the state of the charging lid.

[0058] FIG. 2 is a second flowchart of the charging lid control method according to the embodiment of the present invention.

[0059] As shown in FIG. 2, specifically, after the collected image is successfully matched with the pre-stored image of the predetermined gesture in step S40 and before the state of the charging lid is switched, S401: Detecting a distance between an object near the charging lid and the charging lid; S402: determining whether the distance between the object near the charging lid and the charging lid is equal to or greater than a predetermined safe distance, and if the distance between the object near the charging lid and the charging lid is equal to or greater than the safe distance, executing step S403, and if the distance between the object near the charging lid and the charging lid is shorter than the safe distance, executing step S405; S403: determining whether a charging device is currently connected to the charging dock, and if a charging device is not currently connected to the charging dock, executing step S404, and if a charging device is currently connected to the charging dock, executing step S405; S404: switching the state of the charging lid; S405: Maintaining the current state of the charging lid.

[0060] If the collected image is successfully matched with the image of the specified gesture, it indicates that the gesture currently being performed by the user has been successfully matched. At this time, it is further necessary to determine whether the distance between the object near the charging lid and the charging lid is equal to or greater than a predetermined safety distance. This safety distance is a spatial distance required when considering switching the charging lid from a closed state to an open state. If an object near the charging lid is located outside the safety distance, it can be assumed that there is no object obstructing the charging lid. If an object near the charging lid is located within the safety distance, it can be assumed that there is an object obstructing the charging lid. If there is an object obstructing the charging lid, the object could be the user's hand or another object in front of the charging lid. If the user's hand is too close to the charging lid, the user may be injured when switching the charging lid's state, and if there is another object in front of the charging lid, the charging lid may be damaged when switching the charging lid's state. Therefore, the embodiment of the present invention needs to determine whether the distance between the charging lid and an object near the charging lid is equal to or greater than the safety distance.

[0061] If it is determined that the distance between the charging lid and an object near the charging dock is greater than or equal to the safe distance, it is further determined whether a charging device is connected to the charging dock. If a charging device is currently connected to the charging dock, the charging dock may be charging or the charging device may not yet be unplugged. In this case, switching the charging lid to be closed may cause a collision between the charging lid and the charging device. To avoid this problem, it is necessary to determine the current connection status of the charging dock.

[0062] If it is determined that the distance between the charging lid and an object near the charging lid is greater than or equal to the safety distance and that no charging device is currently connected to the charging dock, the state of the charging lid can be switched; if any one or both of the above conditions are not met, the current state of the charging lid must be maintained.

[0063] FIG. 3 is a third flowchart of the charging lid control method according to the embodiment of the present invention.

[0064] As shown in FIG. 3, the above step S404 specifically includes the following steps: S4041: A step of determining the current state of the charging lid, and if the charging lid is currently in an open state, executing step S4042, and if the charging lid is currently in a closed state, executing step S4043; S4042: switching the charging lid to a closed state; S4043: Switching the charging lid to an open state.

[0065] In specific implementation, by detecting a voltage signal at the mechanical connection position of the charging lid, it can be determined whether the current state of the charging lid is open or closed. If the charging lid is currently in an open state, the specific action performed by the user is to close the charging lid, and at this time, the charging lid is switched to a closed state. If the charging lid is currently in a closed state, the specific action performed by the user is to open the charging lid, and at this time, the charging lid is switched to an open state.

[0066] Furthermore, if it is determined that the distance between the charging lid and an object near the charging lid is smaller than the safety distance, a first presentation message may be sent to indicate that an object is blocking the charging lid near the charging lid, and the first presentation message may present to the user the reason why the state of the charging lid cannot currently be switched, and after resolving the problem, the user may perform a specific action again to trigger the switching of the state of the charging lid.

[0067] Similarly, if it is determined that a charging device is currently connected to the charging dock, a second presentation message may be sent to indicate that a charging device has been connected to the charging dock, and the second presentation message may present to the user the reason why the state of the charging lid cannot currently be switched, and after unplugging the charging device, the user may perform a specific action again to trigger the switching of the state of the charging lid.

[0068] In a specific implementation, the detection of the distance between the object near the charging lid and the charging lid is performed by: emitting a light beam of a predetermined wavelength near the charging lid; receiving light of a predetermined wavelength reflected by an object near the charging lid; The method may also include determining the distance between an object near the charging lid and the charging lid based on the time it takes from emitting a light beam of a predetermined wavelength to receiving the light beam of the predetermined wavelength and the speed of light.

[0069] An optical distance measuring device is used to emit a light beam of a predetermined wavelength near the charging lid, and the light beam is incident on an object near the charging lid and then reflected by the object and returned. In this case, the distance between the object and the charging lid can be obtained from half the product of the time it takes for the optical distance measuring device to emit the light beam of the predetermined wavelength and receive the reflected light beam of the predetermined wavelength x the speed of light. Based on the distance, it can be determined whether the object near the charging lid is located within a safe distance of the charging lid, and thereby it can be determined whether to trigger a subsequent operation.

[0070] The charging dock connection status is Detecting a voltage signal at a first connection verification point on the charging dock; If the voltage signal at the first connection check point is 0, determine that the charging device is not connected to the charging dock; If the voltage signal at the first connection check point is not zero, determining that the charging device is connected to the charging dock.

[0071] A first connection confirmation point (CC1) is provided at the position of the charging dock port, and by detecting the voltage signal of CC1, it can be determined whether a charging device is connected to the charging dock. If the voltage signal of CC1 is detected, it indicates that a charging device (e.g., a charging gun) is connected to the charging dock, and if the voltage signal of CC1 is not detected, it indicates that a charging device is not connected to the charging dock.

[0072] Meanwhile, an embodiment of the present invention provides a charging lid control device, and Fig. 4 is a structural schematic diagram of a charging lid control device according to an embodiment of the present invention.

[0073] As shown in FIG. 4, the charging lid control device includes a control module 11 connected to the charging lid motor of the electric vehicle, a biosignal detection module 12, and an image collection module 13, where the control module 11 can send control commands to the electrodes of the charging lid and drive the charging lid motor to control the opening and closing of the charging lid.

[0074] The biological signal detection module 12 is connected to the control module 11 and is for detecting a biological signal in the vicinity of the charging lid. The image capturing module 13 is connected to the control module 11 and is used to capture images in front of the charging lid.

[0075] When a biological signal is detected, the control module 11 collects an image in front of the charging lid, compares the collected image with a pre-stored image of a predetermined gesture, and, if the comparison of the collected image with the pre-stored image of the predetermined gesture is successful, switches the state of the charging lid, including between an open state and a closed state.

[0076] The control module 11 may drive the biosignal detection module 12 to detect a biosignal near the charging lid. By detecting the biosignal, it can be determined whether a user is approaching near the charging lid. After the biosignal is detected, the control module 11 drives the image collection module 13 to collect an image in front of the charging lid. The image collection module 13 transmits the collected image to the control module 11, which compares the collected image with pre-stored images of predetermined gestures. If the comparison is successful, the control module 11 indicates that the gesture action performed by the user in front of the charging lid is the pre-stored specific gesture action. After the gesture comparison is successful, the state of the charging lid is automatically switched. This allows the user to automatically control the opening and closing of the charging lid by performing a specific gesture action in front of the charging lid, eliminating the need for the user to perform cumbersome steps such as manually operating the charging lid and improving charging convenience.

[0077] In a specific implementation, the biosignal may include an infrared signal, and an infrared detection device may be used as the biosignal detection module 12. Alternatively, the biosignal may be a signal that can distinguish between a human body and other objects, and is not limited thereto. Accordingly, the biosignal detection module 12 may be a detection device that can detect the corresponding signal.

[0078] In an embodiment of the present invention, the image collection module 13 is driven to collect an image in front of the charging lid only when the biosignal detection module 12 detects that there is a biosignal near the charging lid. In this way, the operation of matching a large amount of image data due to the continuous collection of images in front of the charging lid can be avoided, thereby avoiding the generation of excessive invalid data and improving the effectiveness of gesture matching.

[0079] In an embodiment of the present invention, the control module 11 may pre-store images of multiple predetermined gestures, and these predetermined gesture images may be different or similar. In this case, after an image of a user's gesture is collected, the collected image can be sequentially matched with images of multiple predetermined gestures. If the similarity between the collected image and at least one predetermined gesture image is equal to or greater than a preset threshold, it indicates that the gesture matching is successful, and at this time, it is possible to automatically control the switching of the state of the charging lid.

[0080] By matching gestures using images of multiple different predetermined gestures, it is possible to diversify the control gestures for switching the state of the charging lid, and in this case, the user can control the switching of the state of the charging lid by simply performing the action of one specific gesture. If the user fails to control one gesture action, they can try another gesture, improving the effectiveness and flexibility of gesture control.

[0081] By matching gestures using images of a plurality of similar gestures, the user's gesture actions can be matched efficiently, and the user does not need to perform extremely standard gesture actions, and the gesture actions can be successfully matched, thereby improving the success rate of gesture matching.

[0082] In an embodiment of the present invention, after the gesture is successfully matched, it is further necessary to detect whether an object is blocking the charging lid near the charging dock, and then to detect the current connection status of the charging dock, so that it can be determined whether to switch the state of the charging lid.

[0083] FIG. 5 is a second structural schematic diagram of the charging lid control device according to the embodiment of the present invention.

[0084] As shown in FIG. 5, the charging lid control device further includes an optical ranging module 14 and a charging dock detection module 15.

[0085] the optical distance measuring module 14 is connected to the control module 11 and is for detecting the distance between the charging lid and an object near the charging lid; The charging dock detection module 15 is connected to the control module 11 and is used to detect the connection status of the charging dock.

[0086] Specifically, when the control module 11 successfully matches the collected image with a pre-stored image of a predetermined gesture, it determines whether the distance between the object near the charging lid and the charging lid is greater than or equal to a predetermined safe distance, and if the distance between the object near the charging lid and the charging lid is greater than or equal to the safe distance, it determines whether a charging device is currently connected to the charging dock, and if a charging device is not currently connected to the charging dock, it drives the charging lid motor to switch the state of the charging lid, and if the distance between the object near the charging lid and the charging lid is less than the safe distance or if a charging device is currently connected to the charging dock, it drives the charging lid motor to maintain the current state of the charging lid.

[0087] If the control module 11 successfully matches the image collected by the image collection module 13 with the pre-stored image of a specific gesture, it indicates that the match of the gesture currently being performed by the user has been successful. At this time, it is necessary to further determine whether the distance between the charging lid and an object near the charging lid is equal to or greater than a predetermined safety distance. This safety distance is a spatial distance required when considering switching the charging lid from a closed state to an open state. If an object near the charging lid is located outside the safety distance, it can be assumed that there is no object obstructing the charging lid. If an object near the charging lid is located within the safety distance, it can be assumed that there is an object obstructing the charging lid. If there is an object obstructing the charging lid, the object could be the user's hand or another object in front of the charging lid. If the user's hand is too close to the charging lid, the user may be injured when switching the charging lid's state, and if there is another object in front of the charging lid, the charging lid may be damaged when switching the charging lid's state. Therefore, the embodiment of the present invention needs to determine whether the distance between the charging lid and an object near the charging lid is equal to or greater than the safety distance.

[0088] In specific implementation, the control module 11 may send a detection control command to the optical distance measuring module 14, and the optical distance measuring module 14 may start detecting the distance between the object near the charging lid and the charging lid based on the detection control command. The optical distance measuring module 14 may be a well-known optical distance measuring device in the prior art, which emits a light beam of a predetermined wavelength near the charging lid, and the light beam is incident on the object near the charging lid and then reflected by the object and returns. In this case, the distance between the object and the charging lid can be obtained from half the product of the time it takes for the optical distance measuring device to emit a light beam of a predetermined wavelength and receive a reflected light beam of the predetermined wavelength multiplied by the speed of light. The optical ranging module 14 transmits the detected distance to the control module 11, and the control module 11 can determine based on the detected distance whether the object near the charging lid is located within the safe distance of the charging lid. If the distance between the object near the charging lid and the charging lid is shorter than the safe distance, the control module 11 drives the charging lid motor to maintain the current state of the charging lid. If the distance between the object near the charging lid and the charging lid is equal to or greater than the safe distance, the control module 11 transmits a detection control command to the charging dock detection module 15. The charging dock detection module 15 detects the current connection status of the charging dock based on the detection control command.

[0089] In a specific implementation, a first connection confirmation point (CC1) is provided at the position of the charging dock port, and a voltage detection circuit is provided at the position of CC1 to detect the voltage signal of CC1 and determine whether a charging device is connected to the charging dock. A specific configuration of the charging dock detection module 15 may be the above-mentioned voltage detection circuit, and after detecting the voltage signal of CC1, the charging dock detection module 15 transmits the detected voltage signal to the control module 11.

[0090] If the detected voltage signal of CC1 is 0, the control module 11 can determine that a charging device is not connected to the charging dock, and at this time, the control module 11 drives the charging lid motor to switch the state of the charging lid; if the detected voltage signal of CC1 is not 0, the control module 11 can determine that a charging device is connected to the charging dock, and at this time, the control module 11 drives the charging lid motor to maintain the current state of the charging lid.

[0091] If it is determined that the distance between the charging lid and an object near the charging lid is greater than or equal to the safety distance and that no charging device is currently connected to the charging dock, the state of the charging lid can be switched; if either one or both of the above conditions are not met, the current state of the charging lid must be maintained, thereby avoiding the occurrence of safety issues.

[0092] As shown in FIG. 5, the charging lid control device further includes a charging lid state detection module 16 connected to the control module 11 for detecting the state of the charging lid.

[0093] A voltage detection circuit is provided at the mechanical connection position of the charging lid, and the charging lid status detection module 16 may specifically be the above-mentioned voltage detection circuit, and can determine the current status of the charging lid by detecting the voltage signal at the mechanical connection position.

[0094] In specific implementation, the control module 11 sends a detection control command to the charging lid state detection module 16, and the charging lid state detection module 16 detects a voltage signal at the mechanical connection position of the charging lid based on the detection control command and sends the detected voltage signal to the control module 11.

[0095] The control module 11 determines the current state of the charging lid based on the detected voltage signal, and if the charging lid is currently open, drives the charging lid motor to close the charging lid, and if the charging lid is currently closed, drives the charging lid motor to open the charging lid, thereby switching the state of the charging lid.

[0096] As shown in FIG. 5, the charging lid control device further includes a message display module 17 connected to the control module 11, which may be an audio player, an indicator light, a display panel, etc., but is not limited thereto.

[0097] When the control module 11 determines that the distance between the charging lid and an object near the charging lid is smaller than the safety distance, it sends a first presentation message to the message presentation module 17 to indicate that an object is blocking the charging lid near the charging lid, and the message presentation module 17 presents to the user that an object is blocking the charging lid near the charging lid based on the first presentation message.

[0098] Specifically, if the message display module 17 is an audio player, upon receiving the first prompt message, the audio player will automatically play an alert sound indicating that an object is blocking the charging lid near the device. If the message display module 17 is an indicator light, upon receiving the first prompt message, the indicator light may flash a preset number of times or light up a specific color. If the message display module 17 is a display panel, upon receiving the first prompt message, the display panel may display text indicating that an object is blocking the charging lid near the device, thereby notifying the user of the reason why the charging lid state cannot be changed. After resolving the problem, the user can perform a specific operation again to trigger the charging lid state to be changed.

[0099] When the control module 11 determines that a charging device is currently connected to the charging dock, it sends a second presentation message to the message presentation module 17 to indicate that the charging device has been connected to the charging dock, and the message presentation module 17 presents to the user, based on the second presentation message, that the charging device has been connected to the charging dock.

[0100] Specifically, if the message presentation module 17 is an audio player, upon receiving the second prompt message, the audio player will automatically play an alert sound indicating that a charging device has been connected to the charging dock. If the message presentation module 17 is an indicator light, upon receiving the second prompt message, the indicator light may flash a preset number of times or light up a specific color. If the message presentation module 17 is a display panel, upon receiving the second prompt message, the display panel may display a message indicating that a charging device has been connected to the charging dock, thereby notifying the user of the reason why the state of the charging lid cannot be changed. After unplugging the charging device, the user can perform a specific action again to trigger the state of the charging lid to be changed.

[0101] In addition, when an indicator light is used, the message presentation module 17 can distinguish between different causes by using different flashing frequencies or different colors of the indicator light to notify the user that "an object is blocking the charging lid near it" and "a charging device is connected to the charging dock," making it easier for the user to make a decision.

[0102] This allows a charging lid control device to be connected to the charging lid motor to automatically control the opening and closing of the charging lid when a user performs a specific action in front of the charging lid.

[0103] Based on the same inventive concept, an embodiment of the present invention further provides an electric vehicle including any one of the charging lid control devices described above connected to a charging lid motor.

[0104] The charging lid control method, device, and electric vehicle according to an embodiment of the present invention can detect a biological signal to determine whether a user is approaching the charging lid. After the biological signal is detected, an image of the area in front of the charging lid is collected and compared with pre-stored images of specific gestures. If the gesture is successfully matched, this indicates that the user has currently performed a specific gesture action to control the charging lid. At this time, the charging lid can be automatically controlled to open and close, eliminating the need for the user to go through complicated steps such as manually operating the charging lid, thereby improving the convenience of charging.

[0105] Although preferred embodiments of the present invention have been described, those skilled in the art can make further changes and modifications to these embodiments once they have mastered the basic creative concept. Therefore, the appended claims should be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0106] It is obvious that those skilled in the art can make various improvements and modifications to the present invention without departing from the spirit and scope of the present invention. Therefore, if these modifications and modifications of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention intends to include these improvements and modifications.

Claims

1. A charging lid control method for an electric vehicle, comprising: Detecting a biological signal in the vicinity of the charging lid; When a biological signal is detected, an image capturing module captures an image in front of the charging lid to capture an image of a gesture movement performed by a user; Matching the collected gesture images with a plurality of pre-stored predetermined gesture images, the plurality of pre-stored predetermined gesture images including images of different or similar predetermined gestures; A charging lid control method characterized by including: switching the state of the charging lid, including an open state and a closed state, when the collected image of the gesture movement is successfully matched with an image of a pre-stored predetermined gesture.

2. After successfully matching the collected image of the gesture with the image of the pre-stored predetermined gesture, before switching the state of the charging lid, Detecting a distance between an object proximate the charging lid and the charging lid; determining whether a distance between an object near the charging lid and the charging lid is equal to or greater than a predetermined safe distance; If the distance between the object near the charging lid and the charging lid is equal to or greater than the safe distance, determining whether a charging device is currently connected to the charging dock; Switching the state of the charging lid The charging lid control method according to claim 1 , further comprising: switching the state of the charging lid when a charging device is not currently connected to the charging dock.

3. The switching of the charging lid state is Determining a current charging lid state; If the charging lid is currently in an open state, switching the charging lid to a closed state; The charging lid control method according to claim 2 , further comprising: if the charging lid is currently in a closed state, switching the charging lid to an open state.

4. The charging lid control method according to claim 2 , further comprising: maintaining a current state of the charging lid when a distance between the charging lid and an object near the charging lid is less than the safe distance.

5. maintaining the current state of the charging lid when the distance between the object near the charging lid and the charging lid is less than the safety distance; 5. The charging lid control method according to claim 4, further comprising: maintaining the current state of the charging lid and transmitting a first indication message to indicate that an object is blocking the charging lid near the charging lid when the distance between the charging lid and an object near the charging lid is smaller than the safety distance.

6. The charging lid control method according to claim 2 , further comprising: maintaining a current state of the charging lid when a charging device is currently connected to the charging dock.

7. When a charging device is currently connected to the charging dock, maintaining the current state of the charging lid is 7. The charging lid control method according to claim 6, further comprising: if a charging device is currently connected to the charging dock, maintaining the current state of the charging lid and transmitting a second indication message to indicate that a charging device has been connected to the charging dock.

8. Detecting the distance between the object near the charging lid and the charging lid includes: emitting a light beam of a predetermined wavelength near the charging lid; receiving light of the predetermined wavelength reflected by an object near the charging lid; determining a distance between an object near the charging lid and the charging lid based on the time taken from emitting the light beam of the predetermined wavelength to receiving the light beam of the predetermined wavelength and the speed of light; 8. The charging lid control method according to claim 2, further comprising:

9. The detecting the connection status of the charging dock includes: Detecting a voltage signal at a first connection verification point on the charging dock; If the voltage signal at the first connection check point is 0, determining that a charging device is not connected to the charging dock; If the voltage signal at the first connection confirmation point is not 0, determining that a charging device is connected to the charging dock; 8. The charging lid control method according to claim 2, further comprising:

10. The step of comparing the collected images of gesture movements with pre-stored images of predetermined gestures includes: matching the collected gesture images with images of each predetermined gesture; determining that the gesture matching is successful when a similarity between the collected gesture image and at least one predetermined gesture image is equal to or greater than a preset threshold; determining that the gesture matching has failed if the similarity between the collected gesture image and each of the predetermined gesture images is smaller than a preset threshold value; The charging lid control method according to any one of claims 1 to 7, further comprising:

11. 8. The charging lid control method according to claim 1, wherein the biological signal includes an infrared signal.

12. A charging lid control device for an electric vehicle, The present invention includes a biosignal detection module, an image acquisition module, and a control module connected to a charging lid motor of an electric vehicle, the biological signal detection module is connected to the control module and is configured to detect a biological signal in the vicinity of the charging lid; the image capture module is connected to the control module and is for capturing an image in front of the charging dock; The control module, when a biological signal is detected, collects an image of the front of the charging lid, collects an image of a gesture action performed by the user, compares the collected image of the gesture action with a plurality of pre-stored images of predetermined gestures, and if the plurality of pre-stored images of predetermined gestures include images of different or similar predetermined gestures, and if the comparison of the collected image of the gesture action with the pre-stored images of predetermined gestures is successful, switches the state of the charging lid, including between an open state and a closed state.

13. further including an optical ranging module and a charging dock detection module; the optical distance measuring module is connected to the control module and is for detecting a distance between an object near the charging lid and the charging lid; a charging dock detection module connected to the control module for detecting a connection status of a charging dock; The charging lid control device according to claim 12, wherein the control module, when successfully matching the collected image of the gesture movement with a pre-stored image of a predetermined gesture, determines whether the distance between the object near the charging lid and the charging lid is greater than or equal to a predetermined safe distance, and if the distance between the object near the charging lid and the charging lid is greater than or equal to the safe distance, determines whether a charging device is currently connected to the charging dock, and if a charging device is not currently connected to the charging dock, drives the charging lid motor to switch the state of the charging lid.

14. a charging lid state detection module connected to the control module for detecting a state of the charging lid; The charging lid control device according to claim 13, wherein the control module determines the current state of the charging lid, and if the charging lid is currently in an open state, switches the charging lid to a closed state, and if the charging lid is currently in a closed state, switches the charging lid to an open state.

15. 14. The charging lid control device of claim 13, wherein the control module is further configured to drive the charging lid motor to maintain the current state of the charging lid when the distance between the charging lid and an object near the charging lid is less than the safety distance.

16. 14. The charging lid control device of claim 13, wherein the control module is further configured to drive the charging lid motor to maintain a current state of the charging lid when a charging device is currently connected to the charging dock.

17. a message presentation module connected to the control module; The control module is further configured to, when a distance between the charging lid and an object near the charging lid is smaller than the safety distance, send a first indication message to the message indication module to indicate that an object is blocking the charging lid near the charging lid; the message presentation module is configured to present to a user that an object is blocking the charging lid based on the first presentation message; The control module is further configured to, when a charging device is currently connected to the charging dock, send a second indication message to the message indication module to indicate that a charging device has been connected to the charging dock; 17. The charging lid control device according to claim 15, wherein the message presentation module is configured to present to a user that a charging device has been connected to the charging dock based on the second presentation message.

18. The charging lid control device according to claim 17, wherein the message display module is an audio player, an indicator light, or a display panel.

19. A charging lid control device described in any one of claims 13 to 16, characterized in that the optical distance measuring module emits a light beam of a predetermined wavelength near the charging lid, receives the light beam of the predetermined wavelength reflected by an object near the charging lid, and determines the distance between the object near the charging lid and the charging lid based on the time it takes from emitting the light beam of the predetermined wavelength to receiving the light beam of the predetermined wavelength and the speed of light.

20. The charging dock detection module is for detecting a voltage signal of a first connection check point on the charging dock; 17. The charging lid control device according to claim 13, wherein the control module determines that a charging device is not connected to the charging dock when the voltage signal at the first connection confirmation point is 0, and determines that a charging device is connected to the charging dock when the voltage signal at the first connection confirmation point is not 0.

21. the charging lid state detection module is for detecting a voltage signal at a connection point at a predetermined position of the charging lid; 15. The charging lid control device according to claim 14, wherein the control module is for determining a state of the charging lid based on the voltage signal.

22. A charging lid control device as described in any one of claims 12 to 16, characterized in that the control module is configured to compare the collected images of gesture movements with images of each specified gesture, and determine that the gesture matching is successful if the similarity between the collected images of gesture movements and at least one specified gesture image is greater than or equal to a predetermined threshold, and determine that the gesture matching is unsuccessful if the similarity between the collected images of gesture movements and each specified gesture image is less than the predetermined threshold.

23. 17. The charging lid control device according to claim 12, wherein the biological signal includes an infrared signal.

24. An electric vehicle, An electric vehicle comprising a charging lid control device according to any one of claims 12 to 16, connected to a charging lid motor.

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