Wireless charging detection method, vehicle, ultra wide band radar and electronic equipment
By installing an ultra-wideband radar array on the vehicle chassis to periodically detect the wireless charging pad area and identify foreign objects and living beings, the problem of insufficient detection robustness in the wireless charging system is solved, thus improving safety and reliability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-26
- Publication Date
- 2026-03-31
AI Technical Summary
In existing wireless charging technologies, the robustness of foreign object and liveness detection is insufficient, and changes in the external environment have a significant impact on the charging system, posing safety hazards.
An ultra-wideband radar array is installed on the vehicle chassis to periodically detect the preset area of the wireless charging pad. By analyzing the reflectivity and phase shift of the target echo, foreign objects and living beings are identified, and corresponding charging adjustment commands are sent.
It improves the accuracy and safety of foreign object and live object detection during wireless charging, reduces the system's sensitivity to changes in the external environment, and avoids damage to the charging pad and harm to living beings.
Smart Images
Figure CN121756943A_ABST
Abstract
Description
Technical Field
[0001] This disclosure relates to the field of wireless charging technology for vehicles, and more particularly to wireless charging detection methods, vehicles, ultra-wideband radar, and electronic equipment. Background Technology
[0002] Wireless charging technology, also known as wireless power transfer technology, is a technology that transmits electrical energy wirelessly. It eliminates the need for traditional power cords and chargers; as long as the vehicle is within the charging area, it can automatically receive charging energy. Summary of the Invention
[0003] This disclosure provides a wireless charging detection method, vehicle, ultra-wideband radar, and electronic device to solve or alleviate one or more technical problems in the prior art.
[0004] On one hand, this disclosure provides a method for detecting wireless charging, applied to an ultra-wideband radar installed on a vehicle chassis, the method comprising:
[0005] In response to the vehicle being positioned at the location corresponding to the wireless charging pad, the ultra-wideband radar periodically detects the preset area corresponding to the wireless charging pad.
[0006] In response to the ultra-wideband radar detecting the presence of a target object in a preset area, the ultra-wideband radar determines the target echo corresponding to the target object;
[0007] Ultra-wideband radar determines the object category of a target based on the target echo;
[0008] The ultra-wideband radar sends corresponding charging adjustment commands to the vehicle based on the object category, so that the vehicle stops charging or adjusts the charging power.
[0009] On the other hand, this disclosure provides a vehicle comprising:
[0010] The vehicle body;
[0011] An ultra-wideband radar array is installed on the chassis of the vehicle body. The ultra-wideband radar array includes multiple ultra-wideband radars, which are arranged circumferentially to detect different areas of the wireless charging pad used to charge the vehicle.
[0012] Each of the plurality of ultra-wideband radars is used to perform the method of any embodiment of this disclosure.
[0013] On the other hand, this disclosure provides an ultra-wideband radar, including:
[0014] The detection module is used to periodically detect the preset area corresponding to the wireless charging pad when the vehicle is located at the corresponding position of the wireless charging pad.
[0015] The first determining module is used to determine the target echo corresponding to the target object in response to the ultra-wideband radar detecting the existence of a target object in a preset area.
[0016] The second determination module is used by the ultra-wideband radar to determine the object category of the target object based on the target echo;
[0017] The control module is used by the ultra-wideband radar to send corresponding charging adjustment commands to the vehicle based on the object category, so as to stop the vehicle from charging or adjust the charging power.
[0018] On the other hand, this disclosure provides an electronic device, including:
[0019] At least one processor; and
[0020] The memory is communicatively connected to the at least one processor; wherein,
[0021] The memory stores instructions that can be executed by the at least one processor to enable the at least one processor to perform the methods of any embodiment of the present disclosure.
[0022] On the other hand, this disclosure provides a non-transitory computer-readable storage medium storing computer instructions, wherein the computer instructions are used to cause the computer to perform a method according to any embodiment of this disclosure.
[0023] On the other hand, this disclosure provides a computer program product including a computer program that, when executed by a processor, implements a method according to any embodiment of this disclosure.
[0024] According to the solution disclosed herein, the robustness of foreign object and liveness detection during vehicle wireless charging can be improved, and the impact of external environmental changes on foreign object and liveness detection during wireless charging can be resolved.
[0025] It should be understood that the description in this section is not intended to identify key or essential features of the embodiments of this disclosure, nor is it intended to limit the scope of this disclosure. Other features of this disclosure will become readily apparent from the following description. Attached Figure Description
[0026] In the accompanying drawings, unless otherwise specified, the same reference numerals throughout the various drawings denote the same or similar parts or elements. These drawings are not necessarily drawn to scale. It should be understood that these drawings depict only some embodiments provided according to this disclosure and should not be construed as limiting the scope of this disclosure.
[0027] Figure 1 This is a schematic flowchart of a wireless charging detection method according to an embodiment of the present disclosure.
[0028] Figure 2 This is a schematic diagram of a vehicle according to an embodiment of the present disclosure.
[0029] Figure 3 This is a schematic diagram of an ultra-wideband radar according to an embodiment of the present disclosure.
[0030] Figure 4 This is a block diagram of an electronic device used to implement the wireless charging detection method of the embodiments of this disclosure. Detailed Implementation
[0031] The present disclosure will now be described in further detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements that have the same or similar functions. Although various aspects of embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.
[0032] Furthermore, to better illustrate this disclosure, numerous specific details are set forth in the following detailed description. Those skilled in the art will understand that this disclosure can be practiced without certain specific details. In some instances, methods, means, components, and circuits well known to those skilled in the art have not been described in detail in order to highlight the main points of this disclosure.
[0033] like Figure 1 As shown, this disclosure provides a wireless charging detection method applied to an ultra-wideband radar installed on a vehicle chassis. The method includes:
[0034] Step S101: In response to the vehicle being located at the corresponding position of the wireless charging pad, the ultra-wideband radar periodically detects the preset area corresponding to the wireless charging pad.
[0035] Step S102: In response to the ultra-wideband radar detecting the presence of a target object in a preset area, the ultra-wideband radar determines the target echo corresponding to the target object.
[0036] Step S103: The ultra-wideband radar determines the object category of the target object based on the target echo.
[0037] Step S104: The ultra-wideband radar sends a corresponding charging adjustment command to the vehicle according to the object category, so as to stop the vehicle from charging or adjust the charging power.
[0038] According to the embodiments of this disclosure, it should be noted that:
[0039] like Figure 2As shown, the Ultra Wide Band (UWB) radar 200 is installed on the chassis of the vehicle body 100. There can be one or more UWB radars 200. When there are multiple UWB radars 200, they are evenly distributed around the chassis in the circumferential direction to achieve full coverage scanning detection of the wireless charging pad 300.
[0040] The method of this disclosure can be executed periodically. Furthermore, each node can utilize the method of this disclosure to detect target objects when the vehicle approaches the location of the wireless charging pad, before, during, and after the vehicle begins charging via the wireless charging pad.
[0041] The preset area can include the working area of the wireless charging pad for charging and the peripheral outer area of the wireless charging pad. By detecting the working area, it can be determined whether there is a living or foreign object on the surface of the wireless charging pad. By detecting the peripheral outer area, it can be determined whether there is a living object approaching the wireless charging pad.
[0042] The target echo corresponding to the target object can be understood as the radar wave (reflected signal) reflected by the target object after the radar wave sent by the ultra-wideband radar reaches the target object.
[0043] Based on the time delay and signal strength of the reflected signal, it is possible to determine the specific location of the target object within the preset area.
[0044] The target object categories include living organisms and foreign objects, with foreign objects including metallic and non-metallic foreign objects.
[0045] The energy transfer of a wireless charging pad relies on a high-frequency, high-intensity electromagnetic field distributed around the magnetic field coil. When a metallic foreign object or a magnetically induced foreign object enters the working area of the wireless charging pad, the eddy currents generated by the metal material with high impedance will lead to significant heat loss. Prolonged heating can easily cause the wireless charging pad to burn out. Simultaneously, the high-frequency, high-intensity electromagnetic field generated by the wireless charging pad during operation can heat water molecules in living cells, causing permanent or fatal damage to humans or animals. The technology according to the embodiments of this disclosure can improve the robustness of foreign object and live object detection during vehicle wireless charging, solving the problem of the impact of external environmental changes on foreign object and live object detection during wireless charging. Furthermore, by using the communication function of ultra-wideband radar to directly send charging adjustment commands to the vehicle, costs can be reduced, eliminating the need for an additional communication module.
[0046] In one implementation, step S101: In response to the vehicle being located at the position corresponding to the wireless charging pad, the ultra-wideband radar periodically detects a preset area corresponding to the wireless charging pad, including:
[0047] In response to the vehicle being located at the corresponding position of the wireless charging pad, the ultra-wideband radar determines the preset area corresponding to the wireless charging pad to be detected. The preset area includes at least the working area of the wireless charging pad and the circumferential outer area of the wireless charging pad.
[0048] Ultra-wideband radar uses multi-band radar waves to periodically detect the working area of the wireless charging pad and its circumferential outer area.
[0049] In one implementation, step S103: The ultra-wideband radar determines the object category of the target object based on the target echo, including:
[0050] Ultra-wideband radar analyzes target echoes to detect respiratory and / or heartbeat characteristics.
[0051] If the target echo contains respiratory and / or heartbeat information, the ultra-wideband radar determines that the target object is a living being.
[0052] According to the technology of the embodiments of this disclosure, based on the characteristics of ultra-wideband radar, it is possible to accurately detect the breathing and heartbeat of a living being, thereby accurately determining whether a living being exists.
[0053] In one implementation, step S104: The ultra-wideband radar sends a corresponding charging adjustment command to the vehicle based on the object category, including:
[0054] When the target object is classified as a living being, the ultra-wideband radar determines the location of the living being.
[0055] If the location determines that a living person is within the working area of the wireless charging pad, the ultra-wideband radar sends a corresponding first charging adjustment command to the vehicle to stop charging. Alternatively, if the location determines that the living person is within the circumferential outer area of the wireless charging pad, the ultra-wideband radar sends a corresponding second charging adjustment command to the vehicle to reduce the charging power.
[0056] According to the technology of this disclosure, the relative position of the living object and the ultra-wideband radar can determine whether vehicle charging needs to be stopped. If the living object is not located within the working area of the wireless charging pad, charging can continue.
[0057] In one example, when it is determined that the living body is located in the circumferential outer region of the wireless charging pad, steps S101 to S104 of the present disclosure embodiment can be executed periodically at a high frequency to determine whether the living body has moved further from the circumferential outer region of the wireless charging pad toward the working area of the wireless charging pad.
[0058] In one implementation, step S103: The ultra-wideband radar determines the object category of the target object based on the target echo, including:
[0059] Step S1031: The ultra-wideband radar analyzes the target echo and detects the reflectivity and phase shift of the target echo, wherein the target echo is a multi-band echo.
[0060] Step S1032: If the reflectivity meets the first threshold and / or the phase offset meets the second threshold, the ultra-wideband radar determines that the object category of the target object is a metallic foreign object.
[0061] According to the embodiments of this disclosure, it should be noted that:
[0062] Metals have an extremely strong ability to reflect electromagnetic waves, with a reflection coefficient close to 1, meaning that almost 100% of the radar wave energy is reflected back. Electromagnetic waves, on the other hand, easily penetrate non-metals, allowing most of the radar wave energy to pass through while very little energy is reflected back.
[0063] When electromagnetic waves encounter and are reflected from a metallic surface, physical laws dictate that the phase of the reflected radar wave will flip (i.e., phase inversion, a phase shift of 180 degrees). Non-metallic surfaces, however, cause complex refraction or scattering of electromagnetic waves. Different frequencies of radar waves experience varying delays when passing through or being reflected, resulting in irregular phase shifts.
[0064] According to the technology of the embodiments of this disclosure, it is possible to accurately determine whether there are any metallic foreign objects on the surface of the wireless charging pad.
[0065] In one implementation, step S1032: if the reflectivity meets a first threshold and / or the phase shift meets a second threshold, the ultra-wideband radar determines the object category of the target object as a metallic foreign object, including:
[0066] If the reflectivity meets a first threshold and / or the phase shift meets a second threshold, the ultra-wideband radar determines the object category of the target to be a metallic foreign object, including:
[0067] If the reflectivity meets the first threshold and / or the phase offset meets the second threshold, the ultra-wideband radar determines whether there is a resonance phenomenon in the target echo.
[0068] When the target echo exhibits resonance, the ultra-wideband radar determines the target object to be a metallic foreign object.
[0069] According to the technology of this disclosure, certain metal objects of specific shapes or materials will undergo electromagnetic resonance at specific frequencies. This resonance phenomenon can be used to help determine whether a target object is a metallic foreign object.
[0070] In one implementation, step S104: The ultra-wideband radar sends a corresponding charging adjustment command to the vehicle based on the object category, including:
[0071] When the target object is a metallic foreign object, the ultra-wideband radar determines the location of the metallic foreign object.
[0072] If the location of the metallic foreign object is determined to be within the working area of the wireless charging pad, the ultra-wideband radar sends a corresponding first charging adjustment command to the vehicle to stop charging.
[0073] like Figure 2 As shown, this disclosure provides a vehicle, including:
[0074] Vehicle body 100.
[0075] An ultra-wideband radar array is installed on the chassis of the vehicle body 100. The ultra-wideband radar array includes multiple ultra-wideband radars 200, which are arranged circumferentially to detect different areas of the wireless charging pad 300 used for charging the vehicle.
[0076] Each of the plurality of ultra-wideband radars 200 is used to perform the wireless charging detection method of any embodiment of the present disclosure.
[0077] According to the technology of this disclosure, the energy transmission of a wireless charging pad relies on a high-frequency, high-intensity electromagnetic field distributed around a magnetic field coil. When a metallic foreign object or a magnetically induced foreign object enters the working area of the wireless charging pad, for metallic materials with high impedance, the eddy currents generated by the metallic material will lead to significant heat loss. Prolonged heating can easily cause the wireless charging pad to burn out. Simultaneously, the high-frequency, high-intensity electromagnetic field generated by the wireless charging pad during operation can heat water molecules in living cells, causing permanent or fatal damage to humans or animals. The technology of this disclosure can improve the robustness of foreign object and live object detection during vehicle wireless charging, solving the problem of the impact of external environmental changes on foreign object and live object detection during wireless charging. Furthermore, using the communication function of ultra-wideband radar to directly send charging adjustment commands to the vehicle can reduce costs and eliminate the need for an additional communication module.
[0078] like Figure 3 As shown, this disclosure provides an ultra-wideband radar, including:
[0079] The detection module 310 is used to periodically detect the preset area corresponding to the wireless charging pad in response to the vehicle being located at the corresponding position of the wireless charging pad.
[0080] The first determining module 320 is used to determine the target echo corresponding to the target object in response to the ultra-wideband radar detecting the existence of a target object in a preset area.
[0081] The second determining module 330 is used by the ultra-wideband radar to determine the object category of the target object based on the target echo.
[0082] The control module 340 is used by the ultra-wideband radar to send corresponding charging adjustment commands to the vehicle according to the object category, so as to stop the vehicle from charging or adjust the charging power.
[0083] In one implementation, the detection module 310 is used for:
[0084] In response to the vehicle being located at the corresponding position of the wireless charging pad, the ultra-wideband radar determines the preset area corresponding to the wireless charging pad to be detected. The preset area includes at least the working area of the wireless charging pad and the circumferential outer area of the wireless charging pad.
[0085] Ultra-wideband radar uses multi-band radar waves to periodically detect the working area of the wireless charging pad and its circumferential outer area.
[0086] In one implementation, the second determining module 330 is used to:
[0087] Ultra-wideband radar analyzes target echoes to detect respiratory and / or heartbeat characteristics.
[0088] If the target echo contains respiratory and / or heartbeat information, the ultra-wideband radar determines that the target object is a living being.
[0089] In one implementation, the control module 340 is used to:
[0090] When the target object is classified as a living being, the ultra-wideband radar determines the location of the living being.
[0091] If the location determines that a living person is within the working area of the wireless charging pad, the ultra-wideband radar sends a corresponding first charging adjustment command to the vehicle to stop charging. Alternatively, if the location determines that the living person is within the circumferential outer area of the wireless charging pad, the ultra-wideband radar sends a corresponding second charging adjustment command to the vehicle to reduce the charging power.
[0092] In one implementation, the second determining module 330 is used to:
[0093] Ultra-wideband radar analyzes target echoes and detects their reflectivity and phase shift. The target echoes are multi-band echoes.
[0094] If the reflectivity meets the first threshold and / or the phase offset meets the second threshold, the ultra-wideband radar determines the object category of the target object as a metallic foreign object.
[0095] In one implementation, if the reflectivity meets a first threshold and / or the phase shift meets a second threshold, the ultra-wideband radar determines the object category of the target object to be a metallic foreign object, including:
[0096] If the reflectivity meets the first threshold and / or the phase offset meets the second threshold, the ultra-wideband radar determines whether there is a resonance phenomenon in the target echo.
[0097] When the target echo exhibits resonance, the ultra-wideband radar determines the target object to be a metallic foreign object.
[0098] In one implementation, the control module 340 is used to:
[0099] When the target object is a metallic foreign object, the ultra-wideband radar determines the location of the metallic foreign object.
[0100] If the location of the metallic foreign object is determined to be within the working area of the wireless charging pad, the ultra-wideband radar sends a corresponding first charging adjustment command to the vehicle to stop charging.
[0101] The specific functions and examples of each module and submodule of the apparatus in this disclosure can be found in the relevant descriptions of the corresponding steps in the above method embodiments, and will not be repeated here.
[0102] The acquisition, storage, and application of user personal information involved in the technical solution disclosed herein comply with the provisions of relevant laws and regulations and do not violate public order and good morals.
[0103] Figure 4 This is a structural block diagram of an electronic device according to an embodiment of the present disclosure. Figure 4 As shown, the electronic device includes a memory 410 and a processor 420. The memory 410 stores a computer program that can run on the processor 420. There can be one or more memories 410 and processors 420. The memory 410 can store one or more computer programs, which, when executed by the electronic device, cause the electronic device to perform the methods provided in the above-described method embodiments. The electronic device may also include a communication interface 430 for communicating with external devices and performing data exchange and transmission.
[0104] If the memory 410, processor 420, and communication interface 430 are implemented independently, they can be interconnected via a bus to communicate with each other. This bus can be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus, etc. This bus can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 4 The bus is represented by a single thick line, but this does not mean that there is only one bus or one type of bus.
[0105] Optionally, in a specific implementation, if the memory 410, processor 420 and communication interface 430 are integrated on a single chip, the memory 410, processor 420 and communication interface 430 can communicate with each other through an internal interface.
[0106] It should be understood that the aforementioned processor can be a Central Processing Unit (CPU), or other general-purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field-Programmable Gate Arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. General-purpose processors can be microprocessors or any conventional processor. It is worth noting that the processor can be a processor supporting Advanced Reduced Instruction Set Machines (ARM) architecture.
[0107] Further, optionally, the aforementioned memory may include read-only memory and random access memory, and may also include non-volatile random access memory. The memory may be volatile or non-volatile, or may include both. Non-volatile memory may include read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. Volatile memory may include random access memory (RAM), which serves as an external cache. Many forms of RAM are available by way of example, but not limitation. Examples include Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), Synchronous DRAM (SDRAM), Double Data Rate Synchronous DRAM (DDR SDRAM), Enhanced Synchronous DRAM (ESDRAM), Synchlink DRAM (SLDRAM), and Direct RAMBUS RAM (DR RAM).
[0108] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented in software, it can be implemented, in whole or in part, as a computer program product. A computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, all or part of the flow or function according to the embodiments of this disclosure is generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, computer instructions can be transmitted from one website, computer, server, or data center to another via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line, DSL) or wireless (e.g., infrared, Bluetooth, microwave, etc.) means. The computer-readable storage medium can be any available medium that a computer can access, or a data storage device such as a server or data center that integrates one or more available media. The available media can be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., Digital Versatile Discs (DVDs)), or semiconductor media (e.g., Solid State Disks (SSDs)). It is worth noting that the computer-readable storage media mentioned in this disclosure can be non-volatile storage media; in other words, they can be non-transient storage media.
[0109] Those skilled in the art will understand that all or part of the steps of the above embodiments can be implemented by hardware or by a program instructing related hardware. The program can be stored in a computer-readable storage medium, such as a read-only memory, a disk, or an optical disk.
[0110] In the description of the embodiments of this disclosure, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this disclosure. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.
[0111] In the description of the embodiments disclosed herein, unless otherwise stated, " / " means "or". For example, A / B can mean A or B. The "and / or" in this document is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone.
[0112] In the description of embodiments of this disclosure, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this disclosure, unless otherwise stated, "a plurality of" means two or more.
[0113] The above description is merely an exemplary embodiment of this disclosure and is not intended to limit this disclosure. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the protection scope of this disclosure.
Claims
1. A method for detecting wireless charging, applied to an ultra-wideband radar installed on a vehicle chassis, the method comprising: In response to the vehicle being located at the corresponding position of the wireless charging pad, the ultra-wideband radar periodically detects the preset area corresponding to the wireless charging pad; In response to the ultra-wideband radar detecting the presence of a target object in the preset area, the ultra-wideband radar determines the target echo corresponding to the target object; The ultra-wideband radar determines the object category of the target object based on the target echo; The ultra-wideband radar sends a corresponding charging adjustment command to the vehicle based on the object category, so that the vehicle stops charging or adjusts the charging power.
2. The method according to claim 1, wherein, In response to the vehicle being positioned at the location corresponding to the wireless charging pad, the ultra-wideband radar periodically detects a preset area corresponding to the wireless charging pad, including: In response to the vehicle being located at the corresponding position of the wireless charging pad, the ultra-wideband radar determines a preset area corresponding to the wireless charging pad that needs to be detected, wherein the preset area includes at least the working area of the wireless charging pad and the circumferential outer area of the wireless charging pad; The ultra-wideband radar uses multi-band radar waves to periodically detect the working area of the wireless charging pad and the circumferential outer area of the wireless charging pad.
3. The method according to claim 1, wherein, The ultra-wideband radar determines the object category of the target object based on the target echo, including: The ultra-wideband radar analyzes the target echo and detects respiratory and / or heartbeat characteristics in the target echo; If the target echo contains respiratory and / or heartbeat information, the ultra-wideband radar determines that the target object is a living being.
4. The method according to claim 3, wherein, The ultra-wideband radar sends corresponding charging adjustment commands to the vehicle based on the object category, including: If the target object is classified as a living being, the ultra-wideband radar determines the location of the living being. If the location determines that the living body is located in the working area of the wireless charging pad, the ultra-wideband radar sends a corresponding first charging adjustment command to the vehicle to stop charging; or, if the location determines that the living body is located in the circumferential outer area of the wireless charging pad, the ultra-wideband radar sends a corresponding second charging adjustment command to the vehicle to reduce the charging power.
5. The method according to claim 1, wherein, The ultra-wideband radar determines the object category of the target object based on the target echo, including: The ultra-wideband radar analyzes the target echo and detects the reflectivity and phase shift of the target echo, wherein the target echo is a multi-band echo; If the reflectivity meets a first threshold and / or the phase offset meets a second threshold, the ultra-wideband radar determines that the target object is a metallic foreign object.
6. The method according to claim 5, wherein, If the reflectivity meets a first threshold and / or the phase shift meets a second threshold, the ultra-wideband radar determines the object category of the target object to be a metallic foreign object, including: If the reflectivity meets a first threshold and / or the phase shift meets a second threshold, the ultra-wideband radar determines whether the target echo exhibits resonance. When the target echo exhibits resonance, the ultra-wideband radar determines that the target object is a metallic foreign object.
7. The method according to claim 5 or 6, wherein, The ultra-wideband radar sends corresponding charging adjustment commands to the vehicle based on the object category, including: When the target object is classified as a metallic foreign object, the ultra-wideband radar determines the location of the metallic foreign object. If the location of the metallic foreign object is determined to be within the working area of the wireless charging pad, the ultra-wideband radar sends a corresponding first charging adjustment command to the vehicle to stop charging.
8. A vehicle comprising: The vehicle body; An ultra-wideband radar array is installed on the chassis of the vehicle body. The ultra-wideband radar array includes multiple ultra-wideband radars, which are circumferentially spaced to detect different areas of the wireless charging pad used for charging the vehicle. Each of the plurality of ultra-wideband radars is used to perform the wireless charging detection method according to any one of claims 1 to 7.
9. An ultra-wideband radar, comprising: The detection module is used to periodically detect a preset area corresponding to the wireless charging pad in response to the vehicle being located at the corresponding position of the wireless charging pad. The first determining module is used to determine the target echo corresponding to the target object in response to the ultra-wideband radar detecting the presence of a target object in the preset area. The second determining module is used by the ultra-wideband radar to determine the object category of the target object based on the target echo; The control module is used to send a corresponding charging adjustment command to the vehicle based on the object category, so as to stop the vehicle from charging or adjust the charging power.
10. An electronic device, comprising: At least one processor; as well as A memory communicatively connected to the at least one processor; wherein, The memory stores instructions that can be executed by the at least one processor to enable the at least one processor to perform the method of any one of claims 1 to 7.
11. A non-transitory computer-readable storage medium storing computer instructions, wherein, The computer instructions are used to cause the computer to perform the method according to any one of claims 1 to 7.
12. A computer program product comprising a computer program that, when executed by a processor, implements the method according to any one of claims 1 to 7.