A method of adjusting a fan rotation speed and an electronic device

Abstract

Embodiments of the present application provide a fan speed adjustment method and an electronic device, and relate to the technical field of electronic devices, which can be used in intelligent vehicles or new energy vehicles. The method comprises: when detecting that a wireless charging module in a vehicle is wirelessly charging an electronic device, the electronic device acquires a first vehicle speed of the vehicle and a first gear of an air conditioner in the vehicle. The electronic device determines a first noise level according to the first vehicle speed, the first gear, and preset noise level corresponding relationship information, and adjusts the speed of the fan to a first speed according to the first noise level, wherein the first speed is less than or equal to a second speed corresponding to the first noise level. In this way, as long as the speed of the fan is adjusted according to the noise level in the noise level corresponding relationship information, the noise generated by the fan can be masked, and the noise generated by the fan during heat dissipation is avoided from interfering with the user.

Description

Technical Field

[0001] This application relates to the field of intelligent vehicle technology, and in particular to a method and electronic device for adjusting fan speed. Background Technology

[0002] With the increasing prevalence of wireless charging technology, more and more electronic devices are adopting it. For example, new energy vehicles are equipped with wireless fast charging modules that can charge mobile phones. These modules can achieve a maximum power of 40W. When the wireless charging module charges a phone at maximum power, the phone generates a significant amount of heat. At this time, the phone needs to dissipate heat, typically using a cooling fan. However, cooling fans generate considerable noise during heat dissipation, leading to user complaints. To prevent excessive noise from cooling fans, optimization of the cooling fan itself or its installation path is usually implemented. However, cooling fans still generally produce considerable noise during heat dissipation. Summary of the Invention

[0003] This application provides a method and electronic device for adjusting fan speed, addressing the issue of cooling fan noise during wireless charging so that it is not perceived by the user.

[0004] To achieve the above objectives, the embodiments of this application adopt the following technical solutions.

[0005] In a first aspect, embodiments of this application provide a method for adjusting fan speed. This method is applied to an electronic device and includes: when a wireless charging module in a vehicle is detected wirelessly charging an electronic device, acquiring a first vehicle speed and a first air conditioning setting in the vehicle; determining a first noise level based on the first vehicle speed, the first air conditioning setting, and preset noise level correspondence information; the noise level correspondence information characterizing the relationship between vehicle speed, air conditioning setting, and noise level; and adjusting the fan speed to a first rotational speed, where the first rotational speed is less than or equal to a second rotational speed corresponding to the first noise level, and the fan is used to dissipate heat from the electronic device.

[0006] In this embodiment, the electronic device determines the noise level based on the vehicle speed and air conditioning setting in the noise level correspondence information. In other words, as long as the fan speed is adjusted according to the noise level in the noise level correspondence information (or simply the noise level table), the noise generated by the fan can be masked, thus avoiding the noise generated by the fan during heat dissipation from interfering with the user.

[0007] In one specific implementation, the fan speed is adjusted to a first speed based on a first noise level. Specifically, a first charging power is configured for the wireless charging module based on the first noise level. Then, based on the first charging power and a preset correspondence between charging power and fan speed, the fan speed is adjusted to a third speed corresponding to the first charging power, where the third speed is the same as the first speed. The preset correspondence between charging power and fan speed is used to characterize the relationship between the charging power and the fan speed.

[0008] In this embodiment, the electronic device adjusts the charging power of the wireless charging module according to the noise level, and then adjusts the fan speed according to the charging power. This allows for dynamic adjustment of charging power, fan cooling, and noise level, achieving optimal heat dissipation while maintaining maximum charging efficiency, and preventing noise from causing user complaints.

[0009] In some possible implementations, before determining the first noise level based on the first vehicle speed, the first gear, and preset noise level correspondence information, the method further includes: acquiring a first noise spectrum curve at the human ear when the air conditioning is at different gears in the vehicle; acquiring a second noise spectrum curve at the human ear when the vehicle is at different speeds; acquiring a third noise spectrum curve at the human ear when the fan is at different speeds; determining the air conditioning gear and vehicle speed when the noise generated by the fan at different speeds is masked based on the first, second, and third noise spectrum curves; and determining the noise level based on the air conditioning gear and vehicle speed when the noise generated by the fan at different speeds is masked, and obtaining noise level correspondence information.

[0010] In this embodiment, the electronic device can look up the noise level in a noise level table based on the vehicle speed and gear. The electronic device then adjusts the fan speed to a first speed based on the noise level. Thus, by adjusting the fan speed according to the noise level in the noise level table, the noise generated by the fan can be masked. Therefore, pre-generating a noise level table and then using it to adjust the fan speed can effectively improve the efficiency of fan speed adjustment.

[0011] In one possible implementation, the noise level is determined based on the air conditioning setting and vehicle speed when the noise generated by the fan at different speeds is masked. Specifically, this can be achieved as follows: when the noise generated by the fan at different speeds is masked, the air conditioning is at the second setting, and the vehicle is at the second speed. The second setting corresponds to a third noise level, and the second speed corresponds to a fourth noise level. When the third noise level is greater than or equal to the fourth noise level, the second setting and the second speed correspond to the third noise level. When the third noise level is less than the fourth noise level, the second setting and the second speed correspond to the fourth noise level.

[0012] In one possible implementation, the fan speed is adjusted to the first speed based on the first noise level. Specifically, this involves obtaining the fourth fan speed. Based on the fourth speed, the corresponding second noise level is looked up in a preset fan speed table. The fan speed table represents the correspondence between fan speed and noise level. When the second noise level is greater than the first noise level, the fourth speed is adjusted to the first speed.

[0013] In this embodiment, the electronic device determines the noise level based on background noise (such as vehicle speed and air conditioning noise) and fan noise, and adjusts the fan speed accordingly. In this way, background noise masks the fan noise, preventing noise generated during fan cooling from interfering with the user.

[0014] In some implementations, the method further includes: dividing the vehicle speed into first-level increments and the fan speed into second-level increments. This simplifies the design and improves the user experience.

[0015] Secondly, embodiments of this application provide an electronic device, comprising: a first acquisition unit, configured to acquire a first vehicle speed and a first setting of the vehicle's air conditioning system when a wireless charging module in a vehicle is detected wirelessly charging an electronic device; a first determination unit, configured to determine a first noise level based on the first vehicle speed, the first setting, and preset noise level correspondence information; the noise level correspondence information characterizes the correspondence between vehicle speed, setting, and noise level; and an adjustment unit, configured to adjust the fan speed to a first rotational speed based on the first noise level, wherein the first rotational speed is less than or equal to a second rotational speed corresponding to the first noise level, and the fan is used to dissipate heat from the electronic device.

[0016] In this embodiment, the electronic device determines the noise level based on the vehicle speed and air conditioning setting in the noise level correspondence information. In other words, as long as the fan speed is adjusted according to the noise level in the noise level correspondence information (or simply the noise level table), the noise generated by the fan can be masked, thus avoiding the noise generated by the fan during heat dissipation from interfering with the user.

[0017] In one specific implementation, the adjustment unit is further configured to: configure a first charging power for the wireless charging module according to a first noise level; adjust the fan speed to a third speed corresponding to the first charging power according to the first charging power and a preset information on the correspondence between charging power and fan speed, wherein the third speed is the first speed; the preset information on the correspondence between charging power and fan speed is used to characterize the correspondence between charging power and fan speed.

[0018] In this embodiment, the electronic device adjusts the charging power of the wireless charging module according to the noise level, and then adjusts the fan speed according to the charging power. This allows for dynamic adjustment of charging power, fan cooling, and noise level, achieving optimal heat dissipation while maintaining maximum charging efficiency, and preventing noise from causing user complaints.

[0019] In some implementations, the electronic device further includes: a second acquisition unit for acquiring a first noise spectrum curve at the human ear when the air conditioning is at different speeds within the vehicle; a third acquisition unit for acquiring a second noise spectrum curve at the human ear when the vehicle is at different speeds; a fourth acquisition unit for acquiring a third noise spectrum curve at the human ear when the fan is at different rotational speeds; a second determination unit for determining, based on the first, second, and third noise spectrum curves and the noise masking principle, the air conditioning speed and vehicle speed when the noise generated by the fan at different rotational speeds is masked; and a third determination unit for determining the noise level and obtaining noise level correspondence information based on the air conditioning speed and vehicle speed when the noise generated by the fan at different rotational speeds is masked.

[0020] In this embodiment, the electronic device can look up the noise level in a noise level table based on the vehicle speed and gear. The electronic device then adjusts the fan speed to a first speed based on the noise level. Thus, by adjusting the fan speed according to the noise level in the noise level table, the noise generated by the fan can be masked. Therefore, pre-generating a noise level table and then using it to adjust the fan speed can effectively improve the efficiency of fan speed adjustment.

[0021] In one specific implementation, the third determining unit is further configured to: when noise generated by the fan at different speeds is masked, the air conditioner is in a second setting and the vehicle is at a second speed. The unit determines that the second setting corresponds to a third noise level and the second speed corresponds to a fourth noise level. When the third noise level is greater than or equal to the fourth noise level, the second setting and the second speed correspond to the third noise level. When the third noise level is less than the fourth noise level, the second setting and the second speed correspond to the fourth noise level.

[0022] In one specific implementation, the adjustment unit is further configured to: obtain the fourth speed of the fan; find the second noise level corresponding to the fourth speed in a preset fan speed table; the fan speed table is used to characterize the correspondence between fan speed and noise level; when the second noise level is greater than the first noise level, adjust the fourth speed to the first speed.

[0023] In this embodiment, the electronic device determines the noise level based on background noise (such as vehicle speed and air conditioning noise) and fan noise, and adjusts the fan speed accordingly. In this way, background noise masks the fan noise, preventing noise generated during fan cooling from interfering with the user.

[0024] In some implementations, the electronic device also includes a speed-grading unit for grading the vehicle speed according to a first gradient and the fan speed according to a second gradient. This simplifies the design and improves the user experience.

[0025] Thirdly, embodiments of this application provide a vehicle comprising: a processor and a memory, the memory being coupled to the processor, the memory being used to store computer program code, the computer program code including computer instructions, wherein when the processor reads the computer instructions from the memory, the vehicle performs the method described in the first aspect.

[0026] Fourthly, embodiments of this application provide a computer program product, the computer program product including computer instructions, which, when executed on a computer, cause the computer to perform the method described in the first aspect.

[0027] Fifthly, embodiments of this application provide a computer-readable storage medium including computer instructions, wherein when the computer instructions are executed on a computer, the computer causes the computer to perform the method described in the first aspect.

[0028] In this embodiment, the electronic device determines the noise level based on the vehicle speed and air conditioning setting in the noise level correspondence information. In other words, as long as the fan speed is adjusted according to the noise level in the noise level correspondence information, the noise generated by the fan can be masked, thus avoiding the noise generated by the fan during heat dissipation from interfering with the user. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the composition of an electronic device provided in an embodiment of this application;

[0030] Figure 2A A schematic diagram of the structure of a vehicle provided in an embodiment of this application;

[0031] Figure 2B for Figure 2A Explosion-proof diagram of structure A in section A;

[0032] Figure 3A A schematic flowchart illustrating a method for adjusting fan speed according to an embodiment of this application;

[0033] Figure 3BA schematic flowchart illustrating a method for adjusting fan speed according to an embodiment of this application;

[0034] Figure 3C A schematic flowchart illustrating a method for adjusting fan speed according to an embodiment of this application;

[0035] Figure 3D A schematic flowchart illustrating a method for adjusting fan speed according to an embodiment of this application;

[0036] Figure 4 This is a schematic diagram illustrating the composition of another electronic device provided in an embodiment of this application. Detailed Implementation

[0037] Figure 1 A schematic diagram of the electronic device 100 is shown.

[0038] Electronic device 100 may include a processor 110, a memory 120, a universal serial bus (USB) interface 130, a charging management module 140, a power management module 141, a battery 142, an antenna 1, a wireless communication module 150, a sensor module 160, buttons 170, a camera 180, and a display screen 190. The sensor module 160 may include a gyroscope sensor 160A, a proximity sensor 160B, a barometric pressure sensor 160C, a touch sensor 160D, an ambient light sensor 160E, a temperature sensor 160F, etc.

[0039] It is understood that the structures illustrated in the embodiments of this application do not constitute a specific limitation on the electronic device 100. In other embodiments of this application, the electronic device 100 may include more or fewer components than illustrated, or combine some components, or split some components, or have different component arrangements. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.

[0040] Processor 110 may include one or more processing units, such as application processors (APs), modem processors, graphics processing units (GPUs), image signal processors (ISPs), controllers, video codecs, digital signal processors (DSPs), baseband processors, and / or neural network processing units (NPUs). These different processing units may be independent devices or integrated into one or more processors.

[0041] The controller can generate operation control signals based on the instruction opcode and timing signals to complete the control of instruction fetching and execution.

[0042] The processor 110 may also include a memory for storing instructions and data. In some embodiments, the memory in the processor 110 is a cache memory. This memory can store instructions or data that the processor 110 has just used or that are used repeatedly. If the processor 110 needs to use the instruction or data again, it can retrieve it directly from the memory. This avoids repeated accesses, reduces the waiting time of the processor 110, and thus improves the efficiency of the system.

[0043] In some embodiments, the processor 110 may include one or more interfaces. Interfaces may include an inter-integrated circuit (I2C) interface, a mobile industry processor interface (MIPI), a general-purpose input / output (GPIO) interface, and / or a USB interface, etc.

[0044] The I2C interface is a bidirectional synchronous serial bus, including a serial data line (SDA) and a serial clock line (SCL). In some embodiments, the processor 110 may include multiple I2C buses. The processor 110 can couple to the touch sensor 160D, charger, flash, camera 180, etc., through different I2C bus interfaces. For example, the processor 110 can couple to the touch sensor 160D through the I2C interface, enabling the processor 110 and the touch sensor 160D to communicate through the I2C bus interface, thereby realizing the touch function of the electronic device 100.

[0045] The MIPI interface can be used to connect the processor 110 to peripheral devices such as the display screen 190 and the camera 180. The MIPI interface includes a camera serial interface (CSI) and a display serial interface (DSI). In some embodiments, the processor 110 and the camera 180 communicate via the CSI interface to enable the electronic device 100 to perform its shooting function. The processor 110 and the display screen 190 communicate via the DSI interface to enable the electronic device 100 to perform its display function.

[0046] The GPIO interface can be configured via software. It can be configured as a control signal or a data signal. In some embodiments, the GPIO interface can be used to connect the processor 110 to a camera 180, a display screen 190, a wireless communication module 150, a sensor module 160, etc. The GPIO interface can also be configured as an I2C interface, a MIPI interface, etc.

[0047] USB port 130 is a USB standard compliant interface, specifically a Mini USB port, Micro USB port, USB Type-C port, etc. USB port 130 can be used to connect a charger to charge electronic device 100, and can also be used for data transfer between electronic device 100 and peripheral devices. It can also be used to connect headphones for audio playback. This interface can also be used to connect other electronic devices, such as augmented reality (AR) devices.

[0048] It is understood that the interface connection relationships between the modules illustrated in the embodiments of this application are merely illustrative and do not constitute a structural limitation on the electronic device 100. In other embodiments of this application, the electronic device 100 may also employ different interface connection methods or combinations of multiple interface connection methods as described in the above embodiments.

[0049] The charging management module 140 receives charging input from a charger. The charger can be a wireless charger or a wired charger. In some wired charging embodiments, the charging management module 140 receives charging input from the wired charger via a USB interface 130. In some wireless charging embodiments, the charging management module 140 receives wireless charging input via the wireless charging coil of the electronic device 100. While charging the battery 142, the charging management module 140 can also supply power to the electronic device via the power management module 141.

[0050] The power management module 141 connects the battery 142, the charging management module 140, and the processor 110. The power management module 141 receives input from the battery 142 and / or the charging management module 140, providing power to the processor 110, memory 120, display screen 190, camera 180, and wireless communication module 150, etc. The power management module 141 can also monitor parameters such as battery capacity, battery cycle count, and battery health status (leakage current, impedance). In some other embodiments, the power management module 141 may also be located within the processor 110. In other embodiments, the power management module 141 and the charging management module 140 may be located in the same device.

[0051] The wireless communication function of the electronic device 100 can be realized through the antenna 1, the wireless communication module 150, the modem processor, and the baseband processor.

[0052] Antenna 1 is used to transmit and receive electromagnetic wave signals. Each antenna in electronic device 100 can be used to cover one or more communication frequency bands. Different antennas can also be multiplexed to improve antenna utilization. For example, antenna 1 can be multiplexed as a diversity antenna for a wireless local area network. In some other embodiments, the antenna can be used in conjunction with a tuning switch.

[0053] The wireless communication module 150 can provide solutions for wireless communication applications on the electronic device 100, including wireless local area networks (WLANs) (such as wireless fidelity (Wi-Fi) networks), Bluetooth (BT), global navigation satellite system (GNSS), frequency modulation (FM), near field communication (NFC), and infrared (IR) technologies. The wireless communication module 150 can be one or more devices integrating at least one communication processing module. The wireless communication module 150 receives electromagnetic waves via antenna 1, performs frequency modulation and filtering of the electromagnetic wave signals, and sends the processed signal to processor 110. The wireless communication module 150 can also receive signals to be transmitted from processor 110, perform frequency modulation and amplification, and convert them into electromagnetic waves for radiation via antenna 1.

[0054] In some embodiments, the antenna 1 of the electronic device 100 is coupled to the wireless communication module 150, enabling the electronic device 100 to communicate with networks and other devices via wireless communication technologies. The wireless communication technologies may include Global System for Mobile Communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Time-Division Code Division Multiple Access (TD-SCDMA), Long Term Evolution (LTE), BT, GNSS, WLAN, NFC, FM, and / or IR technologies. The GNSS may include Global Positioning System (GPS), Global Navigation Satellite System (GLONASS), BeiDou Navigation Satellite System (BDS), Quasi-Zenith Satellite System (QZSS), and / or Satellite Based Augmentation Systems (SBAS).

[0055] Electronic device 100 implements display functions through a GPU, display screen 190, and application processor. The GPU is a microprocessor for image processing, connected to the display screen 190 and the application processor. The GPU performs mathematical and geometric calculations and is used for graphics rendering. Processor 110 may include one or more GPUs, which execute program instructions to generate or modify display information.

[0056] The display screen 190 is used to display images, videos, etc. The display screen 190 includes a display panel. The display panel may be a liquid crystal display (LCD), an organic light-emitting diode (OLED), an active-matrix organic light-emitting diode (AMOLED), a flexible light-emitting diode (FLED), a miniature LED, a microLED, a quantum dot light-emitting diode (QLED), etc. In some embodiments, the electronic device 100 may include one or N display screens 190, where N is a positive integer greater than 1.

[0057] The electronic device 100 can perform shooting functions through an ISP, camera 180, video codec, GPU, display screen 190, and application processor.

[0058] The ISP (Image Signal Processor) is used to process data fed back from the camera 180. For example, when taking a picture, the shutter is opened, and light is transmitted through the lens to the camera's photosensitive element. The light signal is converted into an electrical signal, and the camera's photosensitive element transmits the electrical signal to the ISP for processing, transforming it into an image visible to the naked eye. The ISP can also perform algorithmic optimization on image noise and brightness. The ISP can also optimize parameters such as exposure and color temperature of the shooting scene. In some embodiments, the ISP can be set in the camera 180.

[0059] Camera 180 is used to capture still images or videos. An object is projected onto a photosensitive element by generating an optical image through the lens. The photosensitive element can be a charge-coupled device (CCD) or a complementary metal-oxide-semiconductor (CMOS) phototransistor. The photosensitive element converts the light signal into an electrical signal, which is then passed to an ISP for conversion into a digital image signal. The ISP outputs the digital image signal to a DSP for processing. The DSP converts the digital image signal into a standard RGB (RGB represents red, green, and blue) or YUV ("Y" represents luminance (or lumens), i.e., grayscale value, while "U" and "V" represent chrominance (or chroma)) format image signal. In some embodiments, electronic device 100 may include one or N cameras 180, where N is a positive integer greater than 1.

[0060] A digital signal processor (DSP) is used to process digital signals. Besides digital image signals, it can also process other digital signals. For example, when the electronic device 100 selects a frequency, the DSP can perform a Fourier transform on the frequency energy.

[0061] Video codecs are used to compress or decompress digital video. Electronic device 100 may support one or more video codecs. Thus, electronic device 100 can play or record video in various encoding formats, such as Moving Picture Experts Group (MPEG) 1, MPEG 2, MPEG 3, MPEG 4, etc.

[0062] An NPU (Neural Processing Unit) is a neural network (NN) computing processor that, by borrowing the structure of biological neural networks, such as the transmission patterns between neurons in the human brain, rapidly processes input information and can continuously learn on its own. NPUs enable intelligent cognitive applications in electronic devices, such as image recognition, facial recognition, speech recognition, and text understanding.

[0063] The memory 120 can be used to store computer executable program code, which includes instructions. The memory 120 may include a program storage area and a data storage area. The program storage area may store the operating system, at least one application program required for a function (such as sound playback, image playback, etc.), etc. The data storage area may store data created during the use of the electronic device 100 (such as audio data, phonebook, etc.). Furthermore, the memory 120 may include high-speed random access memory, and may also include non-volatile memory, such as at least one disk storage device, flash memory device, universal flash storage (UFS), etc. The processor 110 executes various functional applications and data processing of the electronic device 100 by running instructions stored in the memory 120 and / or instructions stored in memory disposed within the processor.

[0064] The gyroscope sensor 160A can be used to determine the motion attitude of the electronic device 100. In some embodiments, the gyroscope sensor 160A can determine the angular velocity of the electronic device 100 about three axes (i.e., the x, y, and z axes). The gyroscope sensor 160A can be used for image stabilization. For example, when the shutter is pressed, the gyroscope sensor 160A detects the angle of the electronic device 100's shake, calculates the distance that the lens module needs to compensate based on the angle, and allows the lens to counteract the shake of the electronic device 100 through reverse movement, thus achieving image stabilization. The gyroscope sensor 160A can also be used in navigation scenarios.

[0065] The barometric pressure sensor 160C is used to measure air pressure. In some embodiments, the electronic device 100 calculates altitude using the air pressure value measured by the barometric pressure sensor 160C to assist in positioning and navigation.

[0066] A distance sensor 160B is used to measure distance. The electronic device 100 can measure distance using infrared or laser. In some embodiments, during a shooting scene, the electronic device 100 can utilize the distance sensor 160B to measure distance for rapid focusing.

[0067] The ambient light sensor 160E is used to sense the ambient light intensity. The electronic device 100 can adaptively adjust the brightness of the display screen 190 according to the sensed ambient light intensity. The ambient light sensor 160E can also be used to automatically adjust the white balance when taking pictures.

[0068] Temperature sensor 160F is used to detect temperature. In some embodiments, electronic device 100 uses the temperature detected by temperature sensor 160F to execute a temperature handling strategy. For example, when the temperature reported by temperature sensor 160F exceeds a threshold, electronic device 100 reduces the performance of a processor located near temperature sensor 160F to reduce power consumption and implement thermal protection. In other embodiments, when the temperature is below another threshold, electronic device 100 heats battery 142 to prevent abnormal shutdown of electronic device 100 due to low temperature. In still other embodiments, when the temperature is below yet another threshold, electronic device 100 boosts the output voltage of battery 142 to prevent abnormal shutdown due to low temperature.

[0069] Touch sensor 160D, also known as a "touch device," can be disposed on display screen 190. The touch sensor 160D and display screen 190 together form a touchscreen, also known as a "touchscreen." Touch sensor 160D is used to detect touch operations applied to or near it. The touch sensor can transmit the detected touch operation to the application processor to determine the type of touch event. Visual output related to the touch operation can be provided through display screen 190. In other embodiments, touch sensor 160D may also be disposed on the surface of electronic device 100, in a different location than display screen 190.

[0070] Buttons 170 include a power button, volume buttons, etc. Buttons 170 can be mechanical buttons or touch-sensitive buttons. The electronic device 100 can receive button input and generate key signal inputs related to user settings and function control of the electronic device 100.

[0071] Of course, the electronic device 100 may also include other functional units, which are not limited in this application embodiment.

[0072] The following is based on Figure 1Taking the illustrated architecture as an example, the method for adjusting fan speed provided in this application embodiment will be described. Each unit in the following embodiments may possess... Figure 1 The components shown are not described in detail. Furthermore, the actions, terminology, etc., involved in the various embodiments of this application can be referenced interchangeably without limitation.

[0073] The aforementioned electronic devices can include different product forms in the automotive field, such as: automotive chips, automotive devices (e.g., wireless charging devices, in-vehicle infotainment systems, in-vehicle computers, head-up displays (HUDs)), complete vehicles, and servers (virtual or physical).

[0074] In this embodiment of the application, the electronic device is described as a wireless charging device. Figure 2A A structural schematic diagram of the vehicle is shown. (For example...) Figure 2A As shown, the new energy vehicle 1 is equipped with a wireless charging device 11, which is used to wirelessly charge electronic devices (such as mobile phones). Figure 2A In area A shown, mobile phone 2 is placed on wireless charging device 11, and heat dissipation holes 111 are provided on the contact surface between mobile phone 2 and wireless charging device 11. When wireless charging device 11 wirelessly charges mobile phone 2, it can dissipate heat for mobile phone 2. Specifically, as shown... Figure 2B As shown, the wireless charging device 11 includes a wireless charging module 113 and a fan 112. The fan 112 is located at the heat dissipation hole 111, and can dissipate heat for both the mobile phone and the wireless charging device 11. The maximum power of the wireless charging module can reach 40W.

[0075] Currently, because the wireless charging device is located inside the vehicle in front of the gear shift lever, it is quite close to the ears of the driver and front passenger, approximately 50cm away. When the wireless charging module charges the phone at maximum power, the phone generates a significant amount of heat. At this time, the phone needs to dissipate heat, requiring the fan to operate at a high speed to meet these cooling requirements. This results in considerable noise from the fan, leading to user complaints.

[0076] To address the aforementioned technical problems, this application provides a method for adjusting fan speed. This method is applied to an electronic device and includes: when a wireless charging module in a vehicle is detected wirelessly charging an electronic device, the electronic device acquires a first vehicle speed and a first air conditioning setting. The electronic device determines a first noise level based on the first vehicle speed, the first air conditioning setting, and preset noise level correspondence information. This noise level correspondence information characterizes the relationship between vehicle speed, air conditioning setting, and noise level. Based on the first noise level, the electronic device adjusts the fan speed to a first speed, where the first speed is less than or equal to a second speed corresponding to the first noise level. The fan is used to dissipate heat from the electronic device. Thus, by adjusting the fan speed according to the noise level in the noise level correspondence information (or, for short, the noise level table), the noise generated by the fan can be masked, avoiding interference to the user from noise generated during fan cooling.

[0077] The noise levels in the noise level table can be the noise level corresponding to the vehicle speed and / or the air conditioning setting, or the noise level corresponding to the air conditioning setting and / or the vehicle speed when the noise generated by the fan at different speeds is masked. The following provides a detailed description of a fan speed adjustment method provided in this application embodiment for different situations:

[0078] In the first scenario, the noise levels in the noise level table correspond to the vehicle's speed and / or the air conditioning setting. In other words, the noise level table is determined based on vehicle speed and the air conditioning setting.

[0079] In the first embodiment, the electronic device adjusts the fan speed based on the noise generated by the vehicle speed and the air conditioning setting. Specifically, the electronic device looks up the first noise level corresponding to the first vehicle speed and / or the first setting in a noise level table. The electronic device then adjusts the fan speed to the first noise level. For example, suppose the noise level table states that "if the vehicle speed is within the range of 30km / h < V ≤ 50km / h and the air conditioning is not on, the corresponding noise level is level 1; if the vehicle speed is within the range of 30km / h < V ≤ 50km / h and the air conditioning is on setting 2, the corresponding noise level is level 3." When the first vehicle speed is 40km / h and the air conditioning is on setting 2, the electronic device can find in the noise level table that the noise level corresponding to the first vehicle speed and setting 2 is level 3. Therefore, the electronic device adjusts the fan speed to the speed corresponding to noise level 3.

[0080] In this case, the electronic device adjusts the fan speed to a first speed according to the first noise level, which can be achieved in the following ways:

[0081] Method 1: The electronic device adjusts the charging power of the wireless charging module based on the noise level, and then adjusts the fan speed based on the charging power. Specifically, the electronic device configures a first charging power for the wireless charging module based on a first noise level. The electronic device then adjusts the fan speed to a third speed corresponding to the first charging power, based on the first charging power and a preset relationship between charging power and fan speed.

[0082] For example, suppose the wireless charging module has a charging power of 40W. When the wireless charging module charges at 40W, the fan needs to operate at its maximum speed for cooling. When the wireless charging module charges at 32W, the fan needs to operate at 80% of its maximum speed for cooling. And so on. Assume the noise level and the charging power of the wireless charging module correspond as follows: noise level 3 corresponds to a charging power of 80% * 40W; noise level 5 corresponds to a charging power of 100% * 40W. As above, the electronic device adjusts the fan speed to the speed corresponding to noise level 3. Specifically, the electronic device adjusts the charging power of the wireless charging module to 32W. Assume the charging power and fan speed have a linear relationship, such as AX = BY, where A is the maximum charging power of the wireless charging module, B is the maximum fan speed, and X and Y are the duty cycles. For example, if the wireless charging module's charging power is 80% * 40W, the corresponding fan speed is 80% * maximum speed. In this way, the charging power, fan cooling and noise level can be dynamically adjusted, so that the heat dissipation can be met while charging at maximum efficiency, and the noise generated will not cause user complaints.

[0083] Method 2: The electronic device determines the noise level based on background noise (such as vehicle speed and air conditioning noise) and fan noise, and adjusts the fan speed accordingly. Specifically, the electronic device obtains the fourth fan speed. Based on this fourth speed, the electronic device looks up the corresponding second noise level in a preset fan speed table. The fan speed table represents the correspondence between fan speed and noise level. When the second noise level is greater than the first noise level, the electronic device adjusts the fourth speed to the first speed.

[0084] For example, suppose the current fan speed is at its maximum, and the corresponding fan noise level is level 5; the vehicle speed is within the range of 30km / h < V ≤ 50km / h, and the air conditioning is set to level 2, correspondingly, the background noise level is level 3. In this case, the electronic device can determine that the fan noise level is higher than the background noise level. Thus, the noise generated by the fan will affect the user. At this point, the electronic device will adjust the fan speed. Specifically, the electronic device will adjust the fan speed to the speed corresponding to the background noise level, that is, adjust the fan speed from the maximum speed to 80% * maximum speed. In this way, the background noise masks the noise generated by the fan, avoiding interference from the noise generated by the fan during heat dissipation.

[0085] The second scenario involves the noise level corresponding to the air conditioning setting and / or vehicle speed, when the noise generated by the fan at different speeds is masked. In other words, the noise level table is determined based on the fan speed, vehicle speed, and air conditioning setting.

[0086] Specifically, the electronic device acquires a first noise spectrum curve at the human ear when the air conditioning is at different settings inside the vehicle. The electronic device acquires a second noise spectrum curve at the human ear when the vehicle is at different speeds. The electronic device acquires a third noise spectrum curve at the human ear when the fan is at different speeds. Based on the first, second, and third noise spectrum curves and the noise masking principle, the electronic device determines the air conditioning setting and vehicle speed at which the noise generated by the fan at different speeds is masked. Based on the air conditioning setting and vehicle speed at which the noise generated by the fan at different speeds is masked, the electronic device determines the noise level and obtains a noise level table.

[0087] For example, the electronic device can determine the noise level corresponding to each rotational speed, each vehicle speed, and each gear level based on the first noise spectrum curve, the second noise spectrum curve, and the third noise spectrum curve. Based on the noise masking principle, the electronic device can determine the highest noise level among the noise levels corresponding to a rotational speed, a vehicle speed, and a gear level. For instance, the fan at its maximum rotational speed corresponds to noise level 5, the vehicle speed within the range of 30km / h < V ≤ 50km / h corresponds to noise level 1, and the air conditioning at level 2 corresponds to noise level 3. Thus, within the range of maximum fan speed, vehicle speed within the range of 30km / h < V ≤ 50km / h, and air conditioning at level 2, the noise level is level 5. Alternatively, the fan at its maximum rotational speed corresponds to noise level 5, the vehicle speed within the range of 30km / h < V ≤ 50km / h corresponds to noise level 1, and the air conditioning at level 3 or higher corresponds to noise level 5. Thus, within the range of maximum fan speed, vehicle speed within the range of 30km / h < V ≤ 50km / h, and air conditioning at level 3 or higher, the noise level is level 5. For example, a fan at 50% of its maximum speed corresponds to noise level 0, a vehicle speed within the range of 30km / h < V ≤ 50km / h corresponds to noise level 1, and the air conditioning at level 2 corresponds to noise level 3. Thus, within the range of 50% of the maximum fan speed, a vehicle speed within the range of 30km / h < V ≤ 50km / h, and the air conditioning at level 2, the noise level is level 3. And so on. The electronic device obtains the noise level corresponding to the air conditioning setting and vehicle speed when the noise generated by the fan at different speeds is masked. For example, as above, within the range of 30km / h < V ≤ 50km / h, and the air conditioning at level 3 or higher, the noise level is level 5; within the range of 30km / h < V ≤ 50km / h, and the air conditioning at level 2, the noise level is level 3. And so on, resulting in the noise level table.

[0088] In this scenario, the electronic device can look up the first noise level in a noise level table based on the first vehicle speed and the first gear. The electronic device then adjusts the fan speed to the first speed based on the first noise level. Thus, by adjusting the fan speed according to the noise level in the noise level table, the noise generated by the fan can be masked. Therefore, pre-generating a noise level table and then using it to adjust the fan speed can effectively improve the efficiency of fan speed regulation.

[0089] The following is a detailed description of a fan speed adjustment method provided in the embodiments of this application.

[0090] Figures 3A-3D This is a partial flowchart illustrating a method for adjusting fan speed according to an embodiment of this application. Figures 3A-3D As shown, taking an electronic device as the executing entity of this method as an example, the method can be described in the following stages:

[0091] The first stage involves constructing a noise level table. For example... Figure 3A As shown:

[0092] S301. An electronic device acquires the first noise spectrum curve at the human ear when the air conditioning in the vehicle is at different settings.

[0093] Specifically, the electronic device determines the noise level corresponding to each setting of the air conditioner based on the first noise spectrum curve.

[0094] S302, The electronic device acquires a second noise spectrum curve at the human ear when the vehicle is at different speeds.

[0095] Specifically, the electronic device determines the noise level corresponding to each vehicle speed based on the second noise spectrum curve. Preferably, to simplify the design and improve the user experience, the electronic device can divide the vehicle speed into levels according to a first gradient. Here, the first gradient can be understood as a specified value, such as 10 km / h, 5 km / h, and 20 km / h.

[0096] For example, taking 20 km / h as an example, the electronic device can divide the vehicle speed into speed increments of 20 km / h. The resulting speed levels can be as follows: 30 km / h < V ≤ 50 km / h, 50 km / h < V ≤ 70 km / h, 70 km / h < V ≤ 90 km / h.

[0097] S303, The electronic device acquires the third noise spectrum curve at the human ear when the fan is at different speeds.

[0098] Specifically, the electronic device determines the noise level corresponding to each fan speed based on the second noise spectrum curve.

[0099] Preferably, to simplify the design and improve the user experience, the electronic device can divide the fan speed into two levels according to a second gradient. Here, the second gradient can be understood as specifying a duty cycle, such as 10%, 5%, or 20%.

[0100] For example, taking 10% as an example, the electronic device can divide the fan speed into 10% increments. The resulting speed levels can be as follows: 0, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, and 100%, for a total of 11 levels.

[0101] In practical applications, considering the operation of the wireless charging module and the heat dissipation of electronic devices (such as mobile phones), lower fan speeds are not used, such as speeds below 50% (excluding 50%).

[0102] S304. The electronic device determines the air conditioning setting and vehicle speed when the noise generated by the fan at different speeds is masked, based on the first noise spectrum curve, the second noise spectrum curve, the third noise spectrum curve and the noise masking principle.

[0103] Specifically, the electronic device determines the noise levels corresponding to each air conditioning setting, each vehicle speed, and each fan speed based on the first, second, and third noise spectrum curves. The following scenarios will then be explained in detail:

[0104] Scenario 1: Based on the principle of noise masking, the noise level corresponds to the air conditioning setting and / or the vehicle speed. Example:

[0105] The vehicle speeds and their corresponding noise levels are as follows: V≤30km / h, corresponding noise level is 0; 30km / h<V≤50km / h, corresponding noise level is 1; 50km / h<V≤70km / h, corresponding noise level is 2; 70km / h<V≤90km / h, corresponding noise level is 3; 90<V≤100km / h, corresponding noise level is 4; >100km / h, corresponding noise level is 5.

[0106] The air conditioner settings and their corresponding noise levels are as follows: Air conditioner setting 0 corresponds to a noise level of 0; Air conditioner setting 1 corresponds to a noise level of 1; Air conditioner setting 2 corresponds to a noise level of 2; Air conditioner setting 3 and above corresponds to a noise level of 5.

[0107] Based on the principle of noise masking, the maximum noise level corresponding to the air conditioning setting and vehicle speed is selected. For example, if the vehicle speed is within the range of 30km / h < V ≤ 50km / h and the air conditioning is not on, the noise level is determined to be 1; if the vehicle speed is within the range of 30km / h < V ≤ 50km / h and the air conditioning is on setting 2, the noise level is determined to be 3. And so on.

[0108] Scenario 2: Based on the noise masking principle, the electronic device determines the air conditioning setting and vehicle speed when the noise generated by the fan at different speeds is masked.

[0109] Similar to scenario one, this includes the vehicle speed and its corresponding noise level, the air conditioning setting and its corresponding noise level, and the noise level corresponding to each fan speed. For example:

[0110] The noise levels corresponding to different fan speeds are as follows: 50% fan speed duty cycle, noise level 0; 60% fan speed duty cycle, noise level 1; 70% fan speed duty cycle, noise level 2; 80% fan speed duty cycle, noise level 3; 90% fan speed duty cycle, noise level 4; 100% fan speed duty cycle, noise level 5.

[0111] According to the principle of noise masking, the noise generated by the fan at different speeds is masked by factors such as the air conditioning setting and the vehicle speed. For example:

[0112] Example 1: A fan speed duty cycle of 100% corresponds to noise level 5; a vehicle speed within the range of 30km / h < V ≤ 50km / h corresponds to noise level 1; and the air conditioning being turned on at level 2 corresponds to noise level 3. Therefore, when the fan speed duty cycle is 100%, the vehicle speed is within the range of 30km / h < V ≤ 50km / h, and the air conditioning is turned on at level 2, the noise level is level 5.

[0113] Example 2: A fan duty cycle of 100% corresponds to noise level 5; a vehicle speed within the range of 30km / h < V ≤ 50km / h corresponds to noise level 1; and the air conditioning being turned on at level 3 or higher corresponds to noise level 5. Therefore, when the fan duty cycle is 100%, the vehicle speed is within the range of 30km / h < V ≤ 50km / h, and the air conditioning is turned on at level 3 or higher, the noise level is level 5.

[0114] Example 3: A fan duty cycle of 70% corresponds to noise level 2; a vehicle speed within the range of 30km / h < V ≤ 50km / h corresponds to noise level 1; and the air conditioning at level 2 corresponds to noise level 3. Therefore, when the fan duty cycle is 70%, the vehicle speed is within the range of 30km / h < V ≤ 50km / h, and the air conditioning is at level 2, the noise level is level 3.

[0115] As can be seen, in Examples 2 and 3, the noise generated by the fan is masked, and the noise level is determined by the maximum noise level corresponding to the air conditioning setting and the vehicle speed. In this case, the electronic device can determine the air conditioning setting and the vehicle speed at which the noise generated by the fan at different speeds is masked. Then, the electronic device can execute S305 as follows:

[0116] S305. The electronic device determines the noise level based on the air conditioning setting and vehicle speed when the noise generated by the fan at different speeds is masked, and obtains a noise level table (such as the noise level correspondence information mentioned above).

[0117] In one possible implementation, the preset conditions may include notifications, such as... Figure 3BAs shown, S305 includes: S3051, S3052, S3053, and S3054. Specifically, S3051, S3052, S3053, and S3054 can be implemented as follows: S3051, when the noise generated by the fan at different speeds is masked, the air conditioner is in the second setting, and the vehicle is at the second speed. S3052, the electronic device determines that the second setting corresponds to the third noise level, and the second speed corresponds to the fourth noise level. S3053, when the third noise level is greater than or equal to the fourth noise level, the electronic device determines that the second setting and the second speed correspond to the third noise level. S3054, when the third noise level is less than the fourth noise level, the electronic device determines that the second setting and the second speed correspond to the fourth noise level.

[0118] Following the above examples, in Examples 2 and 3, the noise generated by the fan is masked, and the noise level is determined by the maximum noise level corresponding to the air conditioning setting and the vehicle speed. The electrical device can obtain the noise level table shown in Table 1. As shown in Table 1:

[0119] Table 1

[0120]

[0121]

[0122] Of course, this noise level table can also be adjusted according to other circumstances. For example, if other devices that can generate noise are added inside the vehicle, the noise level table can be adjusted based on the noise generated by these other devices. This application does not impose specific limitations on the embodiments.

[0123] In summary, the noise generated by the fan at different speeds is masked by background noise (or noise generated by vehicle speed and air conditioning settings), and the background noise levels are shown in Table 2.

[0124] Table 2

[0125] Background noise level 0 1 2 3 4 5 Fan speed duty cycle 50％ 60％ 70％ 80％ 90％ 100％

[0126] The second stage uses a noise level table. For example... Figure 3C As shown:

[0127] S306. When the wireless charging module in the vehicle is detected to be wirelessly charging the electronic device, the electronic device obtains the vehicle's first speed and the first setting of the vehicle's air conditioning.

[0128] For example, when the wireless charging module wirelessly charges the electronic device, the distance sensor on the vehicle can collect the vehicle's travel distance and send the travel distance to the electronic device. The electronic device receives the travel distance and determines the vehicle's speed based on the travel distance.

[0129] For example, when the wireless charging module wirelessly charges the electronic device, the temperature sensor inside the vehicle can detect the temperature inside the vehicle and send the vehicle's travel distance to the electronic device. The electronic device receives the vehicle's temperature and determines the air conditioning setting based on the temperature.

[0130] S307. The electronic device determines the first noise level based on the first vehicle speed, the first gear, and a preset noise level table.

[0131] This noise level table is used to characterize the correspondence between vehicle speed, gear, and noise level. For example, this noise level table can be as shown in Table 1 above.

[0132] S308. The electronic device adjusts the fan speed to a first speed according to the first noise level, wherein the first speed is less than or equal to the second speed corresponding to the first noise level.

[0133] This fan is used to cool electronic devices. Alternatively, it's used to cool electronic devices that use wireless charging modules.

[0134] After the electronic device determines the first noise level, it can adjust the fan speed accordingly. For example, the electronic device can adjust the fan speed based on the correspondence in Table 2 above.

[0135] In one specific feasible approach, based on scenario two in the first phase, such as Figure 3D As shown, S308 includes: S3081 and S3082. S3081 and S3082 can be specifically implemented as follows:

[0136] S3081. The electronic device configures a first charging power for the wireless charging module according to a first noise level.

[0137] The electronic device stores a correlation between noise level and charging power. Since a higher charging power requires a higher fan speed, the correlation between noise level and charging power is equivalent to the correlation between noise level and fan speed. As mentioned above, the relationship between charging power and fan speed is linear. This can be understood as the charging power and fan speed being adjusted synchronously.

[0138] For example, when the electronic device determines the first noise level to be level 3, it can adjust the charging power of the wireless charging module to the power corresponding to noise level 3. Assume the maximum charging power of the wireless charging module is 40W. When the first noise level is level 3, the electronic device can adjust the charging power to 80% * 40W.

[0139] S3082. The electronic device adjusts to a third speed corresponding to the first charging power based on the first charging power and the preset information on the relationship between charging power and fan speed. The third speed is the first speed.

[0140] The preset information on the correspondence between charging power and fan speed is used to characterize the relationship between charging power and fan speed.

[0141] As mentioned above, the charging power and fan speed have a linear relationship. Continuing with the example above, let's assume the wireless charging module has a charging power of 40W. When the wireless charging module charges at 32W, the fan needs to operate at 80% of its maximum speed for cooling.

[0142] In another specific feasible approach, based on scenario one in the first phase, such as Figure 3D As shown, S308 includes: S3083, S3084, and S3085. S3083, S3084, and S3085 can be specifically implemented as follows:

[0143] S3083, The electronic device obtains the fourth speed of the fan.

[0144] Specifically, the fan can send its rotational speed to an electronic device, which then receives the speed information. Alternatively, the electronic device's sensors can collect the fan's rotational speed information.

[0145] S3084. The electronic device searches for the second noise level corresponding to the fourth speed in a preset fan speed table based on the fourth speed.

[0146] The fan tachometer is used to characterize the relationship between fan speed and noise level. For example, the fan tachometer can be as shown in Table 1 above.

[0147] S3085. When the second noise level is greater than the first noise level, the electronic device adjusts the fourth speed to the first speed.

[0148] In other words, according to the principle of noise masking, when the noise generated by the fan is greater than the background noise (such as the noise generated by vehicle speed and air conditioning settings), the electronic device will reduce the fan speed so that the noise generated by the fan speed is less than or equal to the background noise.

[0149] For example, if the current fan speed is at its maximum, the corresponding fan noise level is 5; if the vehicle speed is within the range of 30km / h < V ≤ 50km / h, and the air conditioning is set to level 2, the corresponding background noise level is 3. In this situation, the electronic device can adjust the fan speed so that the fan noise level is less than or equal to the background noise level. Thus, the noise generated by the fan will not affect the user.

[0150] In the various embodiments of this application, unless otherwise specified or in case of logical conflict, the terminology and / or descriptions of different embodiments are consistent and can be referenced by each other. The technical features of different embodiments can be combined to form new embodiments according to their inherent logical relationship.

[0151] This application also provides apparatus for implementing any of the above methods. For example, an apparatus is provided that includes units (or means) for implementing the steps performed by the electronic device in any of the above methods. Furthermore, another apparatus is provided that includes units (or means) for implementing the steps performed by the vehicle in any of the above methods.

[0152] For example, please refer to Figure 4 This is a schematic diagram of an electronic device provided in an embodiment of this application. The device 400 may include:

[0153] The first acquisition unit 401 is used to acquire the vehicle's first speed and the vehicle's first air conditioning setting when it detects that the wireless charging module inside the vehicle is wirelessly charging an electronic device. For example, the first acquisition unit 401 can perform the steps of S306 described above.

[0154] The first determining unit 402 is used to determine a first noise level based on a first vehicle speed, a first gear, and preset noise level correspondence information; the noise level correspondence information is used to characterize the correspondence between vehicle speed, gear, and noise level; for example, the first determining unit 402 can perform the steps of S307 described above.

[0155] The adjustment unit 403 is used to adjust the fan speed to a first speed according to a first noise level. The first speed is less than or equal to a second speed corresponding to the first noise level. The fan is used to dissipate heat from the electronic device. For example, the adjustment unit 403 can perform the steps of S308 described above.

[0156] In one specific implementation, the adjustment unit 403 is further configured to: configure a first charging power for the wireless charging module according to a first noise level; adjust the fan speed to a third speed corresponding to the first charging power according to the first charging power and a preset correspondence information between charging power and fan speed, wherein the third speed is the first speed; the preset correspondence information between charging power and fan speed is used to characterize the correspondence between the charging power and the fan speed. For example, the adjustment unit 403 performs the steps S3081 and S3082 described above.

[0157] In some specific implementations, the device 400 further includes:

[0158] The second acquisition unit 404 is used to acquire the first noise spectrum curve at the human ear when the air conditioner in the vehicle is at different levels; for example, the second acquisition unit 404 performs the steps of S301 described above.

[0159] The third acquisition unit 405 is used to acquire a second noise spectrum curve at the human ear when the vehicle is at different speeds; for example, the third acquisition unit 405 performs the steps of S302 described above.

[0160] The fourth acquisition unit 406 is used to acquire the third noise spectrum curve at the human ear when the fan is at different speeds; for example, the fourth acquisition unit 406 performs the steps of S303 above.

[0161] The second determining unit 407 is used to determine the air conditioner setting and vehicle speed when the noise generated by the fan at different speeds is masked, based on the first noise spectrum curve, the second noise spectrum curve, the third noise spectrum curve and the noise masking principle; for example, the second determining unit 407 performs the steps of S304 above.

[0162] The third determining unit 408 is used to determine the noise level based on the air conditioner setting and vehicle speed when the noise generated by the fan at different speeds is masked, and to obtain noise level correspondence information. For example, the third determining unit 408 performs the steps of S305 described above.

[0163] In one specific implementation, the third determining unit 408 is further configured to: when noise generated by the fan at different speeds is masked, the air conditioner is in a second setting and the vehicle is at a second speed; determine that the second setting corresponds to a third noise level and the second speed corresponds to a fourth noise level; when the third noise level is greater than or equal to the fourth noise level, the second setting and the second speed correspond to the third noise level; when the third noise level is less than the fourth noise level, the second setting and the second speed correspond to the fourth noise level. Exemplarily, the third determining unit 408 also performs the steps S3051, S3052, S3053, and S3054 described above.

[0164] In one specific implementation, the adjustment unit 403 is further configured to: obtain the fourth speed of the fan; and, based on the fourth speed, look up the second noise level corresponding to the fourth speed in a preset fan speed table; the fan speed table is used to characterize the correspondence between fan speed and noise level.

[0165] When the second noise level is greater than the first noise level, the fourth rotational speed is adjusted to the first rotational speed. For example, the adjustment unit 403 also performs the steps S3083, S3084, and S3085 described above.

[0166] In some specific implementations, the device 400 further includes:

[0167] The gearing unit 409 is used to gear the vehicle speed according to the first gradient and the fan speed according to the second gradient.

[0168] It should be understood that the division of units in the above device is only a logical functional division. In actual implementation, they can be fully or partially integrated into a single physical entity, or they can be physically separated. Furthermore, the units in the device can be implemented by a processor calling software; for example, the device includes a processor connected to a memory containing instructions. The processor calls the instructions stored in the memory to implement any of the above methods or to implement the functions of each unit in the device. The processor can be, for example, a general-purpose processor, such as a Central Processing Unit (CPU) or a microprocessor, and the memory can be internal or external to the device. Alternatively, the units in the device can be implemented as hardware circuits. The functionality of some or all units can be achieved through the design of these hardware circuits, which can be understood as one or more processors. For example, in one implementation, the hardware circuit is an application-specific integrated circuit (ASIC). The functionality of some or all of the above units is achieved through the design of the logical relationships between the components within the circuit. In another implementation, the hardware circuit can be implemented using a programmable logic device (PLD). Taking a field-programmable gate array (FPGA) as an example, it can include a large number of logic gates. The connection relationships between the logic gates are configured through a configuration file, thereby achieving the functionality of some or all of the above units. All units of the above device can be implemented entirely through processor-invoked software, entirely through hardware circuits, or partially through processor-invoked software with the remaining parts implemented through hardware circuits.

[0169] In this application embodiment, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction reading and execution capabilities, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU), or a digital signal processor (DSP). In another implementation, the processor can implement certain functions through the logical relationships of hardware circuits. These logical relationships are fixed or reconfigurable. For example, the processor is a hardware circuit implemented as an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document and configuring the hardware circuit can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units. Furthermore, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU) or a deep learning processing unit (DPU).

[0170] As can be seen, each unit in the above device can be one or more processors (or processing circuits) configured to implement the above methods, such as: CPU, GPU, NPU, TPU, DPU, microprocessor, DSP, ASIC, FPGA, or a combination of at least two of these processor forms.

[0171] Furthermore, the units in the above devices can be integrated in whole or in part, or they can be implemented independently. In one implementation, these units are integrated together as a system-on-a-chip (SOC). The SOC may include at least one processor for implementing any of the above methods or implementing the functions of the units in the device. The at least one processor may be of different types, such as CPU and FPGA, CPU and artificial intelligence processor, CPU and GPU, etc.

[0172] Optionally, in this possible design, the above Figures 1 to 3D All relevant details regarding the steps involving the electronic device in the illustrated method embodiment can be found in the functional descriptions of the corresponding functional modules, and will not be repeated here. The electronic device described in this possible design is used to perform… Figures 1 to 3D The electronic device in the fan speed adjustment method shown can achieve the same effect as the fan speed adjustment method described above.

[0173] This application provides a vehicle comprising: a processor and a memory, the memory being coupled to the processor. The memory stores computer program code, which includes computer instructions. When the processor reads the computer instructions from the memory, it causes an electronic device to execute... Figures 3A-3D The method for adjusting the fan speed is shown.

[0174] This application provides a vehicle, including Figure 4 The electronic device shown.

[0175] This application provides a computer program product that, when run on a computer, causes the computer to execute... Figures 1 to 3D The method for adjusting the fan speed is shown.

[0176] This application provides a computer-readable storage medium including computer instructions that, when executed on a terminal, cause a network device to perform... Figures 1 to 3D The method for adjusting the fan speed is shown.

[0177] This application provides a chip system including one or more processors. When the one or more processors execute instructions, the one or more processors execute... Figures 1 to 3D The method for adjusting the fan speed is shown.

[0178] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

[0179] In the description of the embodiments of this application, unless otherwise stated, " / " means "or". For example, A / B can mean A or B. "And / or" in this document is merely a description of the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist simultaneously, and B exists alone.

[0180] Hereinafter, 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 application, unless otherwise stated, "a plurality of" means two or more.

[0181] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of the terms "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.

[0182] It is understood that the aforementioned communication devices, etc., include hardware structures and / or software modules corresponding to the execution of each function in order to achieve the above-mentioned functions. Those skilled in the art should readily recognize that, based on the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein, the embodiments of this application can be implemented in hardware or a combination of hardware and computer software. Whether a function is executed in a hardware-driven or software-driven manner depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the embodiments of this application.

[0183] This application embodiment can divide the above-mentioned communication equipment into functional modules according to the above method examples. For example, each function can be divided into its own functional module, or two or more functions can be integrated into one processing module. The integrated module can be implemented in hardware or as a software functional module. It should be noted that the module division in this application embodiment is illustrative and only represents one logical functional division. In actual implementation, there may be other division methods.

[0184] Through the above description of the embodiments, those skilled in the art will clearly understand that, for the sake of convenience and brevity, only the division of the above functional modules is used as an example. In practical applications, the above functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above. The specific working process of the system, device, and unit described above can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.

Claims

1. A method of adjusting the rotational speed of a fan, characterized in that The method includes: When it is detected that the wireless charging module in the vehicle is wirelessly charging the electronic device, the first vehicle speed and the first setting of the air conditioner in the vehicle are obtained. The first noise level is determined based on the first vehicle speed, the first gear, and the preset noise level correspondence information; the noise level correspondence information is used to characterize the correspondence between vehicle speed, gear, and noise level, and the noise level correspondence information is determined based on the air conditioner gear and the vehicle speed when the noise generated by the fan at different speeds is masked. Based on the first noise level, the fan speed is adjusted to a first speed, the first speed being less than or equal to a second speed corresponding to the first noise level, and the fan is used to dissipate heat for the electronic device.

2. The method of claim 1, wherein, Adjusting the fan speed to a first speed according to the first noise level includes: Configure a first charging power for the wireless charging module based on the first noise level; Based on the first charging power and the preset information on the correspondence between charging power and fan speed, the fan speed is adjusted to a third speed corresponding to the first charging power, wherein the third speed is the first speed; The preset information on the correspondence between charging power and fan speed is used to characterize the correspondence between the charging power and the fan speed.

3. The method according to claim 1 or 2, characterized in that, Before determining the first noise level based on the first vehicle speed, the first gear, and preset noise level correspondence information, the process further includes: Obtain the first noise spectrum curves at the human ear when the air conditioning in the vehicle is at different settings; Obtain the second noise spectrum curves at the human ear when the vehicle is at different speeds; Obtain the third noise spectrum curve at the human ear when the fan is at different speeds; Based on the first noise spectrum curve, the second noise spectrum curve, and the third noise spectrum curve, determine the air conditioner setting and the vehicle speed when the noise generated by the fan at different speeds is masked. Based on the air conditioner setting and the vehicle speed when the noise generated by the fan at different speeds is masked, the noise level is determined and the corresponding information of the noise level is obtained.

4. The method of claim 3, wherein, The step of determining the noise level based on the air conditioner setting and the vehicle speed when the noise generated by the fan at different speeds is masked includes: When the noise generated by the fan at different speeds is masked, the air conditioner is in the second gear and the vehicle is at the second speed. Determine that the second gear corresponds to the third noise level and the second vehicle speed corresponds to the fourth noise level; When the third noise level is greater than or equal to the fourth noise level, the second gear and the second vehicle speed correspond to the third noise level; When the third noise level is less than the fourth noise level, the second gear and the second vehicle speed correspond to the fourth noise level.

5. The method of claim 1, wherein, Adjusting the fan speed to a first speed according to the first noise level includes: Get the fourth fan speed; Based on the fourth rotational speed, the second noise level corresponding to the fourth rotational speed is found in a preset fan speed table; the fan speed table is used to characterize the correspondence between fan speed and noise level. When the second noise level is greater than the first noise level, the fourth rotation speed is adjusted to the first rotation speed.

6. The method according to any one of claims 1-2 and 4-5, characterized in that, Also includes: The vehicle speed is divided into gears according to the first gradient; The fan speed is divided into levels according to the second gradient.

7. An electronic device, characterized in that, The electronic device includes: The first acquisition unit is used to acquire the first vehicle speed and the first setting of the air conditioner in the vehicle when it is detected that the wireless charging module in the vehicle is wirelessly charging the electronic device. The first determining unit is used to determine a first noise level based on the first vehicle speed, the first gear, and preset noise level correspondence information; the noise level correspondence information is used to characterize the correspondence between vehicle speed, gear, and noise level, and the noise level correspondence information is determined based on the gear of the air conditioner and the vehicle speed when the noise generated by the fan at different speeds is masked. An adjustment unit is configured to adjust the fan speed to a first speed according to the first noise level, wherein the first speed is less than or equal to a second speed corresponding to the first noise level, and the fan is used to dissipate heat for the electronic device.

8. The electronic device according to claim 7, characterized in that, The adjustment unit is also used for: Configure a first charging power for the wireless charging module based on the first noise level; Based on the first charging power and the preset information on the correspondence between charging power and fan speed, the fan speed is adjusted to a third speed corresponding to the first charging power, wherein the third speed is the first speed; The preset information on the correspondence between charging power and fan speed is used to characterize the correspondence between the charging power and the fan speed.

9. The electronic device according to claim 7 or 8, characterized in that, Also includes: The second acquisition unit is used to acquire the first noise spectrum curve at the human ear when the air conditioning in the vehicle is at different levels. The third acquisition unit is used to acquire a second noise spectrum curve at the human ear when the vehicle is at different speeds; The fourth acquisition unit is used to acquire the third noise spectrum curve at the human ear when the fan is at different speeds; The second determining unit is used to determine the air conditioner setting and the vehicle speed when the noise generated by the fan at different speeds is masked, based on the first noise spectrum curve, the second noise spectrum curve, the third noise spectrum curve and the noise masking principle. The third determining unit is used to determine the noise level based on the air conditioner setting and the vehicle speed when the noise generated by the fan at different speeds is masked, and to obtain the noise level correspondence information.

10. The electronic device according to claim 9, characterized in that, The third determining unit is also used for: When the noise generated by the fan at different speeds is masked, the air conditioner is in the second gear and the vehicle is at the second speed. Determine that the second gear corresponds to the third noise level and the second vehicle speed corresponds to the fourth noise level; When the third noise level is greater than or equal to the fourth noise level, the second gear and the second vehicle speed correspond to the third noise level; When the third noise level is less than the fourth noise level, the second gear and the second vehicle speed correspond to the fourth noise level.

11. The electronic device according to claim 7, characterized in that, The adjustment unit is also used for: Get the fourth fan speed; Based on the fourth rotational speed, the second noise level corresponding to the fourth rotational speed is found in a preset fan speed table; the fan speed table is used to characterize the correspondence between fan speed and noise level. When the second noise level is greater than the first noise level, the fourth rotation speed is adjusted to the first rotation speed.

12. The electronic device according to any one of claims 7-8 and 10-11, characterized in that, Also includes: The speed division unit is used to divide the vehicle speed into levels according to a first gradient and the fan speed into levels according to a second gradient.

13. A vehicle, characterized in that, include: A processor and a memory, the memory being coupled to the processor, the memory being used to store computer program code, the computer program code including computer instructions, which, when the processor reads from the memory, cause the vehicle to perform the method as described in any one of claims 1-6.

14. A computer program product, characterized in that, The computer program product includes computer instructions that, when executed on a computer, cause the computer to perform the method as described in any one of claims 1-6.

15. A computer-readable storage medium, characterized in that, The computer-readable storage medium includes computer instructions that, when executed on a computer, cause the computer to perform the method as described in any one of claims 1-6.

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