Car lamp color temperature adjusting method and device, electronic equipment and storage medium

Abstract

The embodiment of the invention provides a vehicle lamp color temperature adjusting method and device, electronic equipment and a storage medium. Environmental information around a vehicle is detected, and weather information around the vehicle is determined according to the environmental information; an output signal sent by a control unit of the vehicle is received, and the driving requirement of the vehicle is determined according to the output signal; therefore, according to the weather information and / or the driving demand, the color temperature of the vehicle lamp of the vehicle is adjusted, the color temperature of the vehicle lamp is accurately adjusted according to the weather around the vehicle and / or the demand of a driver, the lighting effect of the vehicle lamp is optimized, the safety of the driving process is ensured, and the driving experience is improved. The adaptability and flexibility of the vehicle lamp system in a changeable driving environment are improved, and more comfortable driving experience is provided for a driver.

Description

Technical Field

[0001] The present invention relates to the field of vehicle control, and particularly to a method and device for adjusting the color temperature of vehicle lights, an electronic device, and a storage medium. Background Art

[0002] With the development of vehicle automation and intelligence, vehicle lighting systems not only play an increasingly important role in safety, but also gradually develop towards enhancing the driving experience and improving driving comfort. As an important part of a vehicle, vehicle lights are no longer limited to basic lighting functions.

[0003] In related technologies, vehicle light adjustment technologies usually adjust the brightness or irradiation angle of vehicle lights based on parameters such as vehicle speed and steering angle. Some advanced vehicle light systems also detect external light intensity or environmental conditions such as rain and fog weather through an ambient light sensor, and then adjust the brightness and irradiation range of vehicle lights to ensure driving safety.

[0004] However, in related technologies, the color temperature adjustment of vehicle lights is mainly achieved through traditional light source adjustment methods (such as the color temperature control of halogen lamps and LED lamps), but these methods usually cannot meet the actual needs of drivers under complex environmental conditions, thus restricting the adaptability and flexibility of vehicle light systems in changing driving environments and seriously affecting the actual driving experience of users. Summary of the Invention

[0005] In view of the above problems, a method and device for adjusting the color temperature of vehicle lights, an electronic device, and a storage medium are provided to overcome or at least partially solve the above problems, including: A method for adjusting the color temperature of vehicle lights, the method includes: Detect the environmental information around the vehicle, and determine the weather information around the vehicle according to the environmental information; Receive the output signal sent by the control unit of the vehicle, and determine the driving demand of the vehicle according to the output signal; Adjust the color temperature of the vehicle lights according to the weather information and / or the driving demand.

[0006] Optionally, the vehicle light is provided with a light source module and a structural color module, and the surface of the structural color module is covered with at least one layer of structural color material. Adjusting the color temperature of the vehicle lights includes: Adjust the color temperature of the vehicle lights by adjusting the irradiation angle of the light source module and / or the irradiated area of the structural color module; wherein, different irradiated areas of the structural color module are micro-nano structures with different particle sizes.

[0007] Optionally, the color temperature adjustment of the vehicle's headlights according to the weather information and / or the driving requirements includes: Determine the target light color parameters according to the weather information and / or the driving requirements, and adjust the color temperature of the vehicle's headlights according to the target light color parameters.

[0008] Optionally, the light source module is provided with a lens. The color temperature adjustment of the vehicle's headlights by adjusting the irradiation angle of the light source module and / or the irradiated area of the structural color module includes: Adjust the irradiation angle of the light source module through the lens and / or adjust the irradiated area of the structural color module by rotating the structural color module to adjust the color temperature of the vehicle's headlights.

[0009] Optionally, the output signal includes at least one or more of a vehicle speed signal, a steering signal, and a lighting mode selection signal, and the driving requirements include at least one or more of a night driving requirement, a long-distance driving requirement, a special road condition driving requirement, and a driver vision requirement.

[0010] Optionally, the structural color material includes at least one or more of a photonic crystal, a Bragg grating, an inverse opal, a photonic glass, a liquid crystal, and a photonic crystal fiber.

[0011] Optionally, the weather information includes at least sunny day information, cloudy day information, rainy day information, snowy day information, foggy day information, and smoggy day information.

[0012] A device for adjusting the color temperature of vehicle headlights, the device includes: A weather information determination module, configured to detect the environmental information around the vehicle and determine the weather information around the vehicle according to the environmental information; A driving requirement determination module, configured to receive the output signal sent by the control unit of the vehicle and determine the driving requirements of the vehicle according to the output signal; A color temperature adjustment module, configured to adjust the color temperature of the vehicle's headlights according to the weather information and / or the driving requirements.

[0013] An electronic device, including a processor, a memory, and a computer program stored on the memory and capable of running on the processor. When the computer program is executed by the processor, the method for adjusting the color temperature of vehicle headlights as described above is implemented.

[0014] A computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the method for adjusting the color temperature of vehicle headlights as described above is implemented.

[0015] The embodiments of the present invention have the following advantages: In the embodiments of the present invention, by detecting the environmental information around the vehicle and determining the weather information around the vehicle according to the environmental information; subsequently receiving the output signal sent by the control unit of the vehicle and determining the driving requirements of the vehicle according to the output signal; thus, by adjusting the color temperature of the vehicle's headlights according to the weather information and / or driving requirements, precise color temperature adjustment of the vehicle's headlights is achieved according to the weather around the vehicle and / or the driver's requirements, optimizing the lighting effect of the headlights, ensuring the safety of the driving process, enhancing the adaptability and flexibility of the headlight system in a changing driving environment, and providing a more comfortable driving experience for the driver. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the present invention, the drawings required for the description of the present invention will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.

[0017] Figure 1 is a flowchart of the steps of a method for adjusting the color temperature of vehicle headlights provided by some embodiments of the present invention; Figure 2 is an exemplary diagram of the installation position of the pressure sensor of the present invention provided by some embodiments of the present invention; Figure 3 is a schematic diagram of the overall control logic of the method for adjusting the color temperature of vehicle headlights of the present invention provided by some embodiments of the present invention; Figure 4 is a schematic diagram of the structure of a device for adjusting the color temperature of vehicle headlights provided by some embodiments of the present invention; Figure 5 is a block diagram of the structure of a module of a device for adjusting the color temperature of vehicle headlights provided by some embodiments of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] In order to make the above objects, features, and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the drawings and specific embodiments. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the scope of protection of the present invention.

[0019] With the development of vehicle automation and intelligence, the vehicle lighting system not only plays an increasingly important role in safety but also gradually develops in the directions of enhancing the driving experience and improving driving comfort. As an important part of the vehicle, vehicle headlights are no longer limited to the basic lighting function.

[0020] In related technologies, headlight adjustment technologies usually adjust the brightness or irradiation angle of headlights based on parameters such as vehicle speed and steering angle. Some advanced headlight systems also detect external light intensity or environmental conditions such as rainy or foggy weather through an ambient light sensor, and then adjust the brightness and irradiation range of the headlights to ensure driving safety.

[0021] However, in related technologies, the color temperature adjustment of headlights is mainly achieved through traditional light source adjustment methods (such as the color temperature control of halogen lamps and LED lamps). However, these methods usually cannot meet the actual needs of drivers under complex environmental conditions, thus limiting the adaptability and flexibility of headlight systems in variable driving environments and seriously affecting the actual driving experience of users.

[0022] In the embodiments of the present invention, based on the core technical concept of adjusting the color temperature of headlights by combining the weather information around the vehicle and the driving requirements of the vehicle, the method for adjusting the color temperature of headlights in related technologies is improved. The following will describe the present invention in detail with reference to the accompanying drawings: Referring to Figure 1 , a flowchart of the steps of a method for adjusting the color temperature of headlights provided in some embodiments of the present invention is shown, which may specifically include the following steps: Step 101, detecting the environmental information around the vehicle and determining the weather information around the vehicle according to the environmental information; In a specific implementation, the method for adjusting the color temperature of headlights provided by the present invention can be implemented based on a lighting control system composed of an ambient light sensor module, a DLP (Digital Light Processing) module, a high and low beam module, an electronic control system, a driving circuit, and a structural color module; Among them, the ambient light sensor module can be used to automatically identify the environmental state of the current vehicle, such as rainy days or foggy days, etc. The light source in the DLP module can stimulate the structural color material to generate different light colors, including but not limited to lasers, LEDs (Light Emitting Diodes), OLEDs (Organic Light Emitting Diodes), QLEDs (Quantum-dot Light Emitting Diodes), Mini LEDs (Miniature Light Emitting Diodes), Micro LEDs (Micro-LightEmitting Diodes), and other light sources; this system can replace the color wheel in the DLP module with a structural color module; the surface of the structural color module can be covered with one or more layers of structural color materials. When the internal light source of the DLP module irradiates the structural color module and the light propagates in the structural color film, it will be modulated by the periodic structure, thereby generating interference and diffraction to produce specific light colors. The structural color module can be one or more layers of micro-nano structures prepared using structural color materials (including but not limited to photonic crystals, Bragg gratings, inverse opals, photonic glass, liquid crystals, photonic crystal fibers, etc.). Among them, structural color is a color generated by physical action rather than chemical action. The structural color materials in the present invention specifically refer to organic or inorganic micro-nano materials. Organic materials such as liquid crystals, polymer colloidal crystals, etc.; inorganic materials such as metal oxides, metal sulfides, etc.; the high and low beam module can be used to achieve the switching of high and low beams with variable light colors; the electronic control system and the drive circuit can be used to receive the signals of the ambient light sensor module, identify the environmental state of the current vehicle, and regulate the light color of the lights. The drive circuit can be responsible for converting the control signal output by the electronic control system into a signal capable of rotating to adjust the irradiation angle of the structural color module area / DLP internal light source.

[0023] On this basis, such as Figure 2As shown, environmental information can be collected through sensors in the ambient light sensor module, and the collected environmental information is transmitted to the VIU (Vehicle Interface Unit) controller via CAN (Controller Area Network) / LIN (Local Interconnect Network); the VIU can then determine the required light color for the current environment by judging the weather information around the vehicle; for example, the surrounding environment can be collected through sensors (such as ADS, light intensity sensors, temperature and humidity sensors, etc.) in the ambient light sensor module. In rainy and foggy weather, these sensors can capture information such as weakened light intensity and increased humidity. Thus, the collected environmental information is transmitted to the VIU controller via the vehicle's CAN / LIN. After receiving the environmental information from the sensors, the VIU controller can first perform parsing and processing to extract key environmental parameters such as light intensity and humidity. The VIU is built with intelligent algorithms that can judge the current weather condition based on the parsed environmental parameters and determine the required light color accordingly.

[0024] Furthermore, the VIU controller can send commands to the vehicle lamp control system according to the judgment result, automatically switch the structural color module of the corresponding light color / automatically adjust the irradiation angle of the internal light source in the DLP system to achieve the target light color. Subsequently, it can continuously monitor environmental changes and adjust the light color in real time, and can also judge whether to turn on the expandable yellow front fog lamp function according to the lighting effect.

[0025] In some embodiments of the present invention, the weather information at least includes sunny day information, cloudy day information, rainy day information, snowy day information, foggy day information, and haze day information.

[0026] In practical applications, after receiving the environmental information from the sensors, the VIU controller can judge whether the weather around the vehicle is sunny, cloudy, rainy, snowy, foggy, or hazy, and thus determine the corresponding target light color and achieve light color adjustment, so that the vehicle lamps can perform color temperature adjustment according to the real-time collected weather information, ensuring the best lighting effect at different times and weather conditions.

[0027] Step 102, receive the output signal sent by the control unit of the vehicle, and determine the driving demand of the vehicle according to the output signal; In practical applications, the DLP module can receive the output signals from the vehicle control unit, and these output signals may include vehicle speed signals, steering angle signals, steering frequency signals, and light mode selection signals, etc.; the processor inside the system can decode and process the received signals, and generate corresponding lamp control instructions according to the vehicle state and driving demand; For example: Night driving requirement: The light is dim, and the driver needs clearer and brighter lighting to ensure driving safety. At this time, in response to the driver's light mode selection signal, the vehicle lights can be adjusted to natural white light or slightly white light, such as 4300K to 5500K, to provide better lighting effects.

[0028] Long-distance driving requirement: When the driver feels fatigued, they can select the corresponding light mode to adjust the color temperature to 3000K to 4300K, which is warmer and softer, helping to relieve the driver's visual fatigue and improve driving safety.

[0029] Special road condition driving requirement: Such as mountain roads, curves or construction sections, etc., the driver needs to be more alert and ready to handle emergencies at any time. When driving on mountain roads or curves, in response to the driver's light mode selection signal or comprehensively judged by the DLP module according to the vehicle speed signal, steering angle signal and steering frequency signal, the color temperature can be appropriately increased according to the actual vehicle condition to enhance the lighting effect and help the driver better judge the road conditions ahead; while when driving in a construction section, the same can be done by responding to the driver's light mode selection signal or comprehensively judged by the DLP module according to the vehicle speed signal, steering angle signal and steering frequency signal, and select a light with a slightly lower color temperature to reduce interference to other road users.

[0030] Driver's vision requirement: The driver can also select the light mode according to their own vision condition, thereby adjusting the color temperature of the vehicle lights to best meet their actual requirements for the color temperature of the vehicle lights.

[0031] In some embodiments of the present invention, the output signal at least includes one or more of a vehicle speed signal, a steering signal and a light mode selection signal, and the driving requirement at least includes one or more of a night driving requirement, a long-distance driving requirement, a special road condition driving requirement and a driver's vision requirement.

[0032] In practical applications, the DLP module can receive output signals from the vehicle control unit, and these output signals may include a vehicle speed signal, a steering angle signal, a steering frequency signal, a light mode selection signal, etc.; the processor inside the system can decode and process the received signals, and generate corresponding light control instructions according to the vehicle state and driving requirements; For example: Night driving requirement: The light is dim, and the driver needs clearer and brighter lighting to ensure driving safety. At this time, in response to the driver's light mode selection signal, the vehicle lights can be adjusted to natural white light or slightly white light, such as 4300K to 5500K, to provide better lighting effects.

[0033] Long-distance driving requirement: When the driver feels fatigued, they can select the corresponding lighting mode to adjust the color temperature to 3000K to 4300K, which is warmer and softer, helping to relieve the driver's visual fatigue and improve driving safety.

[0034] Special road condition driving requirements: Such as mountain roads, curves or construction sections, etc., the driver needs to be more vigilant and ready to handle emergencies at any time. When driving on mountain roads or curves, it can respond to the driver's lighting mode selection signal or the DLP module makes a comprehensive judgment based on the vehicle's speed signal, steering angle signal, and steering frequency signal, and appropriately increases the color temperature according to the actual vehicle condition to enhance the lighting effect and help the driver better judge the road conditions ahead; while when driving on a construction section, it can also respond to the driver's lighting mode selection signal or the DLP module makes a comprehensive judgment based on the vehicle's speed signal, steering angle signal, and steering frequency signal, and selects lights with a slightly lower color temperature to reduce interference to other road users.

[0035] Driver's vision requirement: The driver can also select the lighting mode according to their own vision condition, thereby adjusting the color temperature of the vehicle lights to best meet their actual requirements for the color temperature of the vehicle lights.

[0036] In this embodiment, through various input signals (such as vehicle speed, steering signal, lighting mode selection signal, etc.), the system can respond to different driving requirements more comprehensively and achieve intelligent lighting adjustment. By combining the specific requirements of the driver (such as night driving, long-distance driving, vision requirements, etc.), the vehicle lights can provide personalized lighting, improve driving comfort and reduce visual fatigue. On this basis, automatically adjusting the color temperature of the vehicle lights according to different road conditions and driving requirements can enhance the driver's vision in complex environments and improve safety, especially in special road conditions (such as mountain roads, curves, etc.).

[0037] Step 103, adjust the color temperature of the vehicle lights according to the weather information and / or the driving requirements.

[0038] In specific implementation, after obtaining the corresponding weather information and / or driving requirements, the color temperature of the vehicle lights can be adjusted according to the target light color parameters preset in the system.

[0039] In an example, as Figure 3 shown, taking the adjustment of the color temperature of the vehicle lights according to the weather information as an example, its working process can be: When the vehicle starts, the ambient light sensor function module is activated, and the current vehicle environment is identified as rainy or foggy weather through the ambient sensor signal; If the environment is not rainy or foggy weather, the lights are not adjusted and are the same as the normal daytime driving mode; If the environment is rainy or foggy, the electronic control system issues commands to drive the lighting function, controlling the driving motor to adjust the irradiation angle of the DLP light source / the placement state of structural color materials with different particle sizes, so as to adjust the light color to achieve a color-adaptive lighting effect. Taking the adjustment of the placement state of structural color materials with different particle sizes as an example, different structural color module areas have micro-nano structures with different particle sizes. When the internal light source with the same angle irradiates different areas, the photonic band gap changes, thus generating different structural colors.

[0040] For example, when the driving environment of the vehicle is foggy weather and a color temperature of 2800K is required. At this time, the internal light source can be irradiated at a certain angle on the silicon dioxide nanoparticle array with a diameter of 500nm, so that light with a wavelength of 620nm is generated in the outgoing direction; if the driving environment of the vehicle is rainy and a color temperature of 4000K is required, the internal light source is irradiated at a certain angle on the silicon dioxide nanoparticle array with a diameter of 450nm, so that light with a wavelength of 520nm is generated in the outgoing direction.

[0041] If the sensor detects that the external environmental conditions are still not good, the expandable yellow front fog light function can be turned on.

[0042] In another example, the color temperature can be adjusted by controlling the irradiation angle of the DLP light source. The specific process can be as follows: The vehicle starts, activates the ambient light sensor module function, and identifies whether the current vehicle environment is rainy or foggy through the ambient sensor signal; If the environment is not rainy or foggy, the lighting is not adjusted and is consistent with the normal daytime driving mode; If the environment is rainy or foggy, the electronic control system issues commands to drive the lighting function, controlling the driving motor to control the irradiation angle of the DLP internal light source on the structural color module, so as to adjust the light color to achieve a color-adaptive lighting effect. Highly ordered structural color materials have angle dependence. The angle of the incident light will affect the propagation path, reflection and scattering mode of the light inside the material, thus causing changes in the wavelength and intensity of the reflected light, and generating different structural colors.

[0043] For example, when the driving environment of the vehicle is foggy weather and a color temperature of 2800K is required. The irradiation angle of the internal light source on the silicon dioxide nanoparticle array with a diameter of 500nm can be changed, so that light with a wavelength of 620nm is generated in the outgoing direction; if the driving environment of the vehicle is rainy and a color temperature of 4000K is required, the irradiation angle of the internal light source on the silicon dioxide nanoparticle array with a diameter of 500nm can be changed again, so that light with a wavelength of 520nm is generated in the outgoing direction. The specific operating parameters can be confirmed by calibration.

[0044] If the sensor detects that the external environmental conditions are still not good, the expandable yellow front fog light function can be turned on.

[0045] Furthermore, for the high and low beam driving module, its control process can refer to the following process: When the vehicle starts, the environmental sensor function is activated, and whether the current vehicle environment is rainy or foggy weather is identified through the environmental sensor signal; If the environment is non-rainy or foggy weather, the lights are not adjusted, which is the same as the normal daytime driving mode.

[0046] If the environment is rainy or foggy weather, the high and low beam driving module will execute the W mode in the AFS (Adaptive Front-lighting System) function: where W refers to turning on the rainy and foggy mode, that is, judging and adjusting the required light color according to the environment).

[0047] Furthermore, when adjusting the color temperature of the vehicle's headlights according to driving needs, the DLP module can receive output signals from the vehicle control unit. These output signals may include vehicle speed signals, steering angle signals, steering frequency signals, and light mode selection signals, etc.; the processor inside the system can decode and process the received signals, and generate corresponding light control instructions according to the vehicle state and driving needs; For example: Night driving needs: The light is relatively dim, and the driver needs clearer and brighter lighting to ensure driving safety. At this time, the light mode selection signal of the driver can be responded to, and the headlights can be adjusted to natural white light or slightly white light, such as 4300K to 5500K, to provide better lighting effects.

[0048] Long-distance driving needs: When the driver feels fatigued, the color temperature can be adjusted to 3000K to 4300K by selecting the corresponding light mode, which is more warm and soft, helping to relieve the driver's visual fatigue and improve driving safety.

[0049] Special road condition driving needs: Such as mountain roads, curves or construction sections, etc., the driver needs to be more alert and ready to deal with emergencies at any time. When driving on mountain roads or curves, the light mode selection signal of the driver can be responded to or the DLP module can make a comprehensive judgment according to the vehicle speed signal, steering angle signal and steering frequency signal of the vehicle, and appropriately increase the color temperature according to the actual vehicle condition to enhance the lighting effect and help the driver better judge the road conditions ahead; when driving on a construction section, the light mode selection signal of the driver can also be responded to or the DLP module can make a comprehensive judgment according to the vehicle speed signal, steering angle signal and steering frequency signal of the vehicle, and select a light with a slightly lower color temperature to reduce interference to other road users.

[0050] Driver's vision needs: The driver can also choose the light mode according to his own vision situation, so as to adjust the color temperature of the headlights to best meet his actual needs for the color temperature of the headlights.

[0051] On the basis of the above, weather information and driving requirements can also be combined to adjust the color temperature of the vehicle's headlights. For example, when it is detected that the weather is rainy and it is recognized that the user has a night driving requirement, the color temperature can be further increased on the basis of the color temperature required for rainy days, thereby further improving driving safety.

[0052] In some embodiments of the present invention, the headlight is provided with a light source module and a structural color module, and at least one layer of structural color material covers the surface of the structural color module. Adjusting the color temperature of the vehicle's headlights includes: Adjusting the irradiation angle of the light source module and / or the irradiated area of the structural color module to adjust the color temperature of the vehicle's headlights; wherein, different irradiated areas of the structural color module are micro-nano structures with different particle sizes.

[0053] In practical applications, the color temperature of the vehicle's headlights can be adjusted by adjusting the irradiation angle of the light source module and / or the irradiated area of the structural color module; wherein, different irradiated areas of the structural color module are micro-nano structures with different particle sizes.

[0054] In one example, taking the adjustment of the color temperature of the vehicle's headlights according to weather information as an example, its working process can be as follows: when the vehicle starts, the ambient light sensor function module is activated, and the current vehicle environment is identified as rainy or foggy weather through the ambient sensor signal; If the environment is non-rainy or foggy weather, the lights are not adjusted to be consistent with the normal daytime driving mode; If the environment is rainy or foggy weather, the electronic control system issues an instruction to control the drive circuit to control the rotation of the structural color module, thereby regulating the light color. Different areas of the structural color module have micro-nano structures with different particle sizes. When the internal light source with the same angle irradiates different areas, the photonic band gap changes, thereby generating different structural colors.

[0055] For example, when the driving environment of the car is foggy weather and a color temperature of 2800K is required. At this time, the internal light source can be irradiated at a certain angle on an array of silica nanoparticles with a diameter of 500nm to generate light with a wavelength of 620nm in the emission direction; if the driving environment of the car is rainy and a color temperature of 4000K is required, the internal light source is irradiated at a certain angle on an array of silica nanoparticles with a diameter of 450nm to generate light with a wavelength of 520nm in the emission direction.

[0056] If the sensor detects that the external environmental conditions are still not good, the expandable yellow front fog light function can be turned on.

[0057] In another example, the color temperature adjustment can be achieved by adjusting the irradiation angle of the light source. The specific process can be as follows: The vehicle starts, activating the function of the ambient light sensor module, and identifying whether the current vehicle environment is rainy or foggy through the ambient sensor signal; If the environment is not rainy or foggy, the lights will not be adjusted to be consistent with the normal daytime driving mode; If the environment is rainy or foggy, the electronic control system issues an instruction to control the driving circuit to control the irradiation angle of the internal light source of the DLP on the structural color module, thereby regulating the light color. The highly ordered structural color material has angle dependence, and the angle of the incident light will affect the propagation path, reflection and scattering mode of the light inside the material, resulting in changes in the wavelength and intensity of the reflected light, thus generating different structural colors.

[0058] For example, when the driving environment of the car is foggy weather, a color temperature of 2800K is required. The irradiation angle of the internal light source on the silica nanoparticle array with a diameter of 500nm can be changed to produce light with a wavelength of 620nm in the outgoing direction; if the driving environment of the car is rainy, a color temperature of 4000K is required, and the irradiation angle of the internal light source on the silica nanoparticle array with a diameter of 500nm can be changed again to produce light with a wavelength of 520nm in the outgoing direction. The specific operation parameters can be confirmed by calibration.

[0059] If the sensor detects that the external environmental conditions are still not good, the function of the expandable yellow front fog lamp can be turned on.

[0060] In this embodiment, on the basis of the basic function of the adaptive light color adjustment system, the functions of adaptive light color temperature adjustment and the yellow front fog lamp are expanded to improve the visual effect of the vehicle lights in rainy and foggy weather and enhance driving safety. The traditional DLP system generally uses a color wheel to achieve color separation and processing. The color wheel usually consists of red, green, and blue (RGB) color separation filters, and sequentially separates different monochromatic lights by rotating at high speed, and then synthesizes a full-color image. The color reduction degree of this method depends on the accuracy and rotation speed of the color wheel. Structural color is a color generated based on light scattering, diffraction or interference, and has the characteristics of bright color and high saturation. If a structural color material is used to replace the color wheel, theoretically, a wider and more accurate color range can be achieved. Especially when presenting colors such as human skin color and metallic color that are difficult to accurately present by the traditional color wheel, the structural color module will show obvious advantages.

[0061] In addition, the rotation speed of the color wheel and the transmittance of the filter are key factors affecting the brightness and contrast of the DLP projection system. To increase brightness, white segments (RGBW) may be added to the color wheel, but this may sacrifice some color reproducibility. Structured color materials do not rely on rotation or filters to produce color, so their brightness performance may be more stable. Higher brightness can be achieved by optimizing the light source and performing optical design. In terms of contrast, the structured color module may reduce scattering and stray light through more precise optical control, thereby increasing the contrast. The rotation of the color wheel consumes a certain amount of energy, especially when rotating at high speed. In addition, to compensate for the light loss caused by the color wheel, the power of the light source may need to be increased, further increasing energy consumption. Structured color materials do not rely on mechanical rotation to produce color, which can save this part of the energy consumption.

[0062] In some embodiments of the present invention, the color temperature adjustment of the vehicle's headlights according to the weather information and / or the driving requirements includes: Determine the target light color parameters according to the weather information and / or the driving requirements, and adjust the color temperature of the vehicle's headlights according to the target light color parameters.

[0063] In specific implementation, the light color parameters required under different weather conditions and even different driving requirements can be set through pre-calibration or other means, so that the color temperature adjustment can be realized based on different target light color parameters, or an interface for users to manually input light color parameters can be provided to fully meet the personalized needs of users.

[0064] In some embodiments of the present invention, the light source module is provided with a lens, and the color temperature adjustment of the vehicle's headlights by adjusting the irradiation angle of the light source module and / or the irradiated area of the structured color module includes: Adjust the irradiation angle of the light source module through the lens and / or adjust the irradiated area of the structured color module by rotating the structured color module to adjust the color temperature of the vehicle's headlights.

[0065] In specific implementation, as Figure 4 shown, a lens can be provided in the DLP module, and the overall control logic of the DLP module can refer to the following process: The DLP headlight system receives signals from the vehicle control unit, and these signals may include vehicle speed, steering angle, steering frequency, and lighting mode selection, etc.; The processor inside the system can decode and process the received signals, and generate corresponding lighting control instructions according to the vehicle state and / or driving requirements; The light source in the headlight system will be activated to emit high-intensity light; The light emitted by the light source is modulated by a lens and then irradiated on the structural color module. The structural color material generates specific colors through scattering, diffraction, or interference according to the wavelength and incident angle of the light.

[0066] The light after color regulation is irradiated on a DMD (Digital Micromirror Device). The DMD can quickly adjust the reflection angle of each micromirror according to the signal sent by the processor to regulate the light projection direction and the brightness of the reflected light.

[0067] The light reflected by the DMD can be projected onto the front road surface through a projection lens (or illumination system) to form a light distribution with colors.

[0068] In this embodiment, by adjusting the irradiation angle of the light source module through a lens and adjusting the irradiated area by rotating the structural color module, more precise light color adjustment is achieved, ensuring that the vehicle lamp provides the most suitable light under different driving requirements. In addition, by combining the flexible adjustment of the lens and the structural color module, and using the changes in the light source angle and structural color to jointly adjust the color temperature, a more precise and efficient light regulation effect than the traditional method is achieved.

[0069] In some embodiments of the present invention, the structural color material includes at least one or more of photonic crystals, Bragg gratings, inverse opals, photonic glasses, liquid crystals, and photonic crystal fibers.

[0070] In practical applications, the structural color materials used in the present invention can include at least one or more of photonic crystals, Bragg gratings, inverse opals, photonic glasses, liquid crystals, and photonic crystal fibers. These materials have strong optical regulation capabilities and can provide more suitable color temperatures and brightnesses under different environmental conditions. By using multiple different structural color materials as needed, the vehicle lamp can accurately adjust the color temperature according to different environments and requirements, thereby improving the adaptability and flexibility of the vehicle lamp system.

[0071] It should be noted that for the method embodiments, for the sake of simple description, they are all expressed as a series of action combinations. However, those skilled in the art should know that the embodiments of the present invention are not limited by the described action sequences, because according to the embodiments of the present invention, certain steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions involved are not necessarily essential for the embodiments of the present invention.

[0072] Refer to Figure 5 , which shows a structural block diagram of a vehicle lamp color temperature adjustment device module provided by some embodiments of the present invention, and specifically may include the following modules: A weather information determination module 501 for detecting environmental information around the vehicle and determining the weather information around the vehicle according to the environmental information; A driving demand determination module 502 for receiving an output signal sent by the control unit of the vehicle and determining the driving demand of the vehicle according to the output signal; A color temperature adjustment module 503 for adjusting the color temperature of the vehicle's headlights according to the weather information and / or the driving demand.

[0073] In some embodiments of the present invention, the headlight is provided with a light source module and a structural color module, the surface of the structural color module is covered with at least one layer of structural color material, and the color temperature adjustment module 503 includes: A first sub-module for color temperature adjustment, which is used to adjust the color temperature of the vehicle's headlights by adjusting the irradiation angle of the light source module and / or the irradiated area of the structural color module; wherein, different irradiated areas of the structural color module are micro-nano structures with different particle sizes.

[0074] In some embodiments of the present invention, the color temperature adjustment module 503 includes: A second sub-module for color temperature adjustment, which is used to determine target light color parameters according to the weather information and / or the driving demand, and adjust the color temperature of the vehicle's headlights according to the target light color parameters.

[0075] In some embodiments of the present invention, the light source module is provided with a lens, and the first sub-module for color temperature adjustment includes: A color temperature adjustment unit for adjusting the irradiation angle of the light source module through the lens and / or adjusting the irradiated area of the structural color module by rotating the structural color module to adjust the color temperature of the vehicle's headlights.

[0076] Some embodiments of the present invention also provide an electronic device, which may include a processor, a memory, and a computer program stored on the memory and capable of running on the processor. When the computer program is executed by the processor, the above-mentioned method for adjusting the color temperature of the headlights is implemented.

[0077] Some embodiments of the present invention also provide a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the above-mentioned method for adjusting the color temperature of the headlights is implemented.

[0078] Some embodiments of the present invention also provide a computer program product, including a computer program, which implements the above-mentioned method for adjusting the color temperature of the headlights when executed by a processor.

[0079] For the device embodiments, since they are basically similar to the method embodiments, their descriptions are relatively simple. For related parts, please refer to the corresponding descriptions in the method embodiments.

[0080] The embodiments in this specification are all described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the same or similar parts among the embodiments, reference can be made to each other.

[0081] Those skilled in the art should understand that the embodiments of the present invention can be provided as methods, devices, or computer program products. Therefore, the embodiments of the present invention can take the form of all-hardware embodiments, all-software embodiments, or embodiments combining software and hardware aspects. Moreover, the embodiments of the present invention can take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk memories, CD-ROMs, optical memories, etc.) that contain computer-usable program code.

[0082] The embodiments of the present invention are described with reference to the flowcharts and / or block diagrams of methods, terminal devices (systems), and computer program products according to the embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to the processors of general-purpose computers, special-purpose computers, embedded processors, or other programmable data processing terminal devices to generate a machine, so that the instructions executed by the processors of the computer or other programmable data processing terminal devices generate a device for implementing the functions specified in one process Figure 1 one process or multiple processes and / or blocks Figure 1 or multiple blocks.

[0083] These computer program instructions can also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal device to work in a specific manner, so that the instructions stored in the computer-readable memory generate a manufactured article including an instruction device, and the instruction device implements the functions specified in one process Figure 1 one process or multiple processes and / or blocks Figure 1 or multiple blocks.

[0084] These computer program instructions can also be loaded onto a computer or other programmable data processing terminal device, so that a series of operation steps are executed on the computer or other programmable terminal device to generate a computer-implemented process. Thus, the instructions executed on the computer or other programmable terminal device provide steps for implementing the functions specified in one process Figure 1 one process or multiple processes and / or blocks Figure 1 or multiple blocks.

[0085] Although the preferred embodiments of the embodiments of the present invention have been described, those skilled in the art can make additional changes and modifications to these embodiments once they know the basic creative concept. Therefore, the appended claims are intended to be construed as including the preferred embodiments and all changes and modifications falling within the scope of the embodiments of the present invention.

[0086] Finally, it should also be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or terminal device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or terminal device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or terminal device comprising the above elements.

[0087] The above has introduced in detail a method and device for adjusting the color temperature of vehicle lights, an electronic device, and a storage medium. Specific examples are used in this text to elaborate on the principles and implementation manners of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention; at the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present invention.

Claims

1. A method for adjusting the color temperature of a vehicle lamp, characterized in that, The method includes: Detecting environmental information around the vehicle and determining weather information around the vehicle according to the environmental information; Receiving an output signal sent by a control unit of the vehicle and determining a driving requirement of the vehicle according to the output signal; Adjusting the color temperature of a vehicle headlight according to the weather information and / or the driving requirement.

2. The method according to claim 1, characterized in that The headlight is provided with a light source module and a structural color module, and a surface of the structural color module is covered with at least one layer of structural color material. The adjusting the color temperature of the vehicle headlight includes: Adjusting the color temperature of the vehicle headlight by adjusting an irradiation angle of the light source module and / or an irradiated area of the structural color module; wherein, different irradiated areas of the structural color module are micro-nano structures with different particle sizes.

3. The method according to claim 1, wherein The adjusting the color temperature of the vehicle headlight according to the weather information and / or the driving requirement includes: Determining a target light color parameter according to the weather information and / or the driving requirement, and adjusting the color temperature of the vehicle headlight according to the target light color parameter.

4. The method according to claim 2, wherein The light source module is provided with a lens. The adjusting the color temperature of the vehicle headlight by adjusting the irradiation angle of the light source module and / or the irradiated area of the structural color module includes: Adjusting the irradiation angle of the light source module through the lens and / or adjusting the irradiated area of the structural color module by rotating the structural color module to adjust the color temperature of the vehicle headlight.

5. The method according to claim 1, wherein The output signal includes at least one or more of a vehicle speed signal, a steering signal, and a light mode selection signal, and the driving requirement includes at least one or more of a night driving requirement, a long-distance driving requirement, a special road condition driving requirement, and a driver vision requirement.

6. The method according to claim 2, wherein The structural color material includes at least one or more of a photonic crystal, a Bragg grating, an inverse opal, a photonic glass, a liquid crystal, and a photonic crystal fiber.

7. The method according to claim 1, wherein The weather information includes at least sunny information, cloudy information, rainy information, snowy information, foggy information, and haze information.

8. A vehicle lamp color temperature adjustment device, characterized in that, The device includes: A weather information determination module, configured to detect environmental information around the vehicle and determine weather information around the vehicle according to the environmental information; A driving requirement determination module, configured to receive an output signal sent by a control unit of the vehicle and determine a driving requirement of the vehicle according to the output signal; A color temperature adjustment module, configured to adjust the color temperature of the vehicle headlight according to the weather information and / or the driving requirement.

9. An electronic device, characterized in that, Including a processor, a memory, and a computer program stored on the memory and capable of running on the processor. When the computer program is executed by the processor, the method for adjusting the color temperature of a vehicle headlight as described in any one of claims 1 to 7 is implemented.

10. A computer-readable storage medium, characterized in that, A computer program is stored on the computer-readable storage medium. When the computer program is executed by a processor, the method for adjusting the color temperature of a vehicle headlight as described in any one of claims 1 to 7 is implemented.

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