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WO2024027448A1 - Procédé de gestion de dispositif d'éclairage basé sur la détection spectrale, appareil et dispositif portable - Google Patents

Procédé de gestion de dispositif d'éclairage basé sur la détection spectrale, appareil et dispositif portable Download PDF

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Publication number
WO2024027448A1
WO2024027448A1 PCT/CN2023/105685 CN2023105685W WO2024027448A1 WO 2024027448 A1 WO2024027448 A1 WO 2024027448A1 CN 2023105685 W CN2023105685 W CN 2023105685W WO 2024027448 A1 WO2024027448 A1 WO 2024027448A1
Authority
WO
WIPO (PCT)
Prior art keywords
ambient light
information
spectral
lighting
lighting equipment
Prior art date
Application number
PCT/CN2023/105685
Other languages
English (en)
Chinese (zh)
Inventor
王宇
余宁
王莉
Original Assignee
北京与光科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京与光科技有限公司 filed Critical 北京与光科技有限公司
Publication of WO2024027448A1 publication Critical patent/WO2024027448A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0256—Compact construction
    • G01J3/0259—Monolithic
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0272—Handheld
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J2001/0257—Details portable

Definitions

  • the present application relates to the field of spectrum technology, and more specifically, to a lighting equipment management method, device and wearable device based on spectrum sensing.
  • lighting equipment can automatically perform various functions such as turning on and off the lights according to changes in the surrounding environment, providing convenience to users and being widely used.
  • the above functions are usually implemented by adding hardware to the lighting device. Multiple sensors need to be integrated on the lighting device to detect changes in the surrounding environment, resulting in a significant increase in cost.
  • adding multiple sensors also restricts them to a single lighting device. Due to space and fixed location constraints, the function implementation process is not ideal.
  • Embodiments of the present application provide a lighting equipment management method, device and wearable device based on spectral sensing, which manages lighting equipment based on at least spectral information of ambient light in the current environment, and can be used without being fixed by the lighting equipment. Flexibly manage lighting equipment regardless of the impact of location and space changes.
  • a lighting equipment management method based on spectral sensing including: obtaining ambient light information in an environment that currently contains lighting equipment, where the ambient light information at least includes spectral information of the ambient light ; And, manage the lighting equipment based on the ambient light information.
  • the obtaining of ambient light information in an environment currently containing lighting equipment includes: obtaining the spectrum information of the ambient light through a spectrum sensor; and recovering the ambient light based on the spectrum information. Describe at least one of the color temperature, chromaticity and illuminance of the ambient light.
  • obtaining ambient light information in an environment currently containing lighting equipment includes: passing a part of the spectrum sensor with a modulation structure Spectral information of the ambient light is obtained; and brightness information of the ambient light is obtained through a portion of the spectral sensor that does not have a modulation structure.
  • managing the lighting equipment based on the ambient light information includes: managing the lighting equipment to prompt the ambient light information; and/or managing the current environment. The lighting settings of the lighting equipment.
  • the above lighting equipment management method before obtaining the ambient light information in an environment that currently contains lighting equipment, it includes: presetting the spectrum information of the lighting equipment to be managed; and storing the lighting in a database. Correspondence between equipment and its spectral information.
  • managing the lighting equipment based on the ambient light information includes: matching the spectrum information of the ambient light with the spectrum information stored in the database; and, In response to the spectral information of the ambient light matching the spectral information stored in the database, lighting settings of the lighting device are managed based on the spectral information of the ambient light and the ambient light information recovered based on the spectral information.
  • the lighting equipment management method based on spectral sensing before obtaining the ambient light information in the environment currently containing the lighting equipment, it includes: presetting the target ambient light information, and the target ambient light information at least includes the target ambient light spectral information; and, managing the lighting device based on the ambient light information includes: managing the lighting device based on the ambient light information and the target ambient light information.
  • managing the lighting equipment based on the ambient light information and the target ambient light information includes: determining the number of the lighting equipment based on the ambient light information; responding When the number of the lighting devices is multiple, it is determined whether the plurality of lighting devices include at least the pre-stored lighting devices; and in response to the plurality of lighting devices including at least the pre-stored lighting devices, based on the The spectral information of the ambient light and the spectral information of the target ambient light manage lighting settings of the pre-stored lighting device.
  • determining the number of lighting equipment based on the ambient light information includes: determining the center wavelength information of different light sources corresponding to the spectral information in the ambient light information.
  • managing the lighting equipment based on the ambient light information and the target ambient light information includes: determining the color temperature of the ambient light according to the spectrum information of the ambient light; Determine the target environment according to the spectral information of the target environment light a color temperature of the light; and controlling the color temperature of the lighting device based on the color temperature of the ambient light and the color temperature of the target ambient light.
  • managing the lighting settings of the pre-stored lighting equipment based on the spectrum information of the ambient light and the spectrum information of the target ambient light includes: according to the spectrum of the ambient light Information determines the color temperature of the ambient light; determines the color temperature of the target ambient light based on spectral information of the target ambient light; and controls the lighting device based on the color temperature of the ambient light and the color temperature of the target ambient light. Color temperature.
  • the color temperature of the lighting equipment is controlled based on the color temperature of the ambient light and the color temperature of the target ambient light. Including one of the following: directly adjusting the color temperature of the pre-stored lighting device to the color temperature value of the target ambient light; responding to the color temperature of the ambient light being different from the color temperature value of the target ambient light, according to the Adjust the color temperature of the lighting device based on the spectral information of the ambient light or the calculated color temperature of the ambient light; and, in response to the current environment including only the lighting device as a light source, and/or the lighting device.
  • the lighting device is adjusted to the color temperature value of the target ambient light.
  • managing the lighting settings of the pre-stored lighting device based on the spectral information of the ambient light and the spectral information of the target ambient light includes: according to the current ambient light Spectral information determines information about lighting devices located at the different locations or areas; and, managing the lighting devices located at different locations or areas based on the spectrum information of the ambient light and the spectrum information of the target ambient light.
  • color temperature information corresponding to different locations or different areas is calculated based on the spectral information of the ambient light; based on the color temperature information of the different locations or areas, it is determined that the locations at the different locations or areas are Regional lighting equipment information; and, managing the lighting equipment located in different locations or areas based on the spectrum information of the ambient light and the spectrum information of the target ambient light.
  • managing the lighting settings of the pre-stored lighting device based on the spectral information of the ambient light and the spectral information of the target ambient light includes: determining the spectrum of the ambient light information is within a first wavelength range; determining that the pre-stored spectral information of the lighting device is within a second wavelength range; and, based on the first wavelength range, adjusting the second wavelength range to a spectrum of the target ambient light The third wavelength range corresponding to the information.
  • managing the lighting settings of the pre-stored lighting device based on the spectral information of the ambient light and the spectral information of the target ambient light includes: determining the spectrum of the ambient light information is within a first wavelength range; determining that the spectral information of the target ambient light is within a second wavelength range; and adjusting the spectral information of the pre-stored lighting device so that the spectral information of the ambient light responds to the response of the first wavelength range. within two wavelength ranges.
  • managing the lighting settings of the pre-stored lighting equipment based on the spectrum information of the ambient light and the spectrum information of the target ambient light includes: based on the spectrum of the ambient light Information determines whether the ambient light contains harmful light of a predetermined wavelength; and, in response to determining that the ambient light contains harmful light of a predetermined wavelength, adjust the spectral information of the pre-stored lighting device such that the spectrum of the ambient light The information response is within a wavelength range corresponding to the spectral information of the target ambient light and the spectral information of the target ambient light.
  • managing the lighting settings of the pre-stored lighting device based on the spectral information of the ambient light includes: determining different differences in the ambient light based on the spectral information of the ambient light. light of a wavelength range; and, managing the illumination device to adjust illumination settings of light of a predetermined wavelength range.
  • obtaining ambient light information in an environment currently containing lighting equipment includes: obtaining the status of the user currently corresponding to the spectrum sensor; adjusting the spectrum sensor according to the status of the user posture; and, using a posture-adjusted spectral sensor to obtain spectral information of the ambient light.
  • the above lighting equipment management method based on spectral sensing, it further includes: obtaining the radiation energy of the lighting equipment based on the spectrum information of the ambient light; and, in response to the radiation energy reaching a predetermined threshold, alerting the user.
  • alerting the user in response to the radiation energy reaching a predetermined threshold, includes: responding to the energy of the light corresponding to the predetermined band in the ambient light and the energy of the lighting equipment.
  • the usage time reaches a predetermined threshold, the user will be reminded.
  • obtaining ambient light information in an environment currently containing lighting equipment includes: obtaining the ambient light information in an environment currently containing lighting equipment using multiple spectrum sensors arranged at different angles relative to the user. Spectral information of ambient light from multiple angles.
  • a lighting equipment management device based on spectral sensing, which is characterized in that it includes: a spectral sensing unit, used to obtain the information of an environment currently containing lighting equipment.
  • Ambient light information which includes at least spectral information of the ambient light; and a management unit configured to manage the lighting device based on the ambient light information.
  • a wearable device including: a spectral sensor provided on a display screen of the wearable device, the spectral sensor including: a spectral information collection unit for acquiring the current lighting device.
  • Ambient light information in an environment, the ambient light information at least includes spectral information of the ambient light; and, a management unit configured to manage the lighting device based on the ambient light information.
  • the lighting equipment management method, device and wearable device based on the spectral sensor provided by the embodiments of the present application can manage the lighting equipment by at least based on the spectral information of the ambient light in the current environment, without being affected by the fixed position and spatial changes of the lighting equipment. Flexibly realize the management of lighting equipment without affecting the situation.
  • Figure 1 illustrates a schematic structural diagram of a spectrum chip according to an embodiment of the present application.
  • Figure 2 illustrates a schematic diagram of a spectral recovery setup of a spectral sensor according to an embodiment of the present application.
  • FIG. 3 illustrates a flow chart of a lighting equipment management method based on spectral sensing according to an embodiment of the present application.
  • Figure 4 illustrates a schematic diagram of spectral lines formed by a green light source.
  • Figure 5 illustrates a schematic diagram of the center wavelengths of spectral lines of light of different colors.
  • Figure 6 illustrates a schematic diagram of spectral information of an LED light source.
  • Figure 7 illustrates a spectrum diagram of ambient light detected in a general room.
  • Figure 8 illustrates a schematic diagram of the spectral information and corresponding color temperature displayed by the light source after removing the blue light part.
  • FIG. 9 illustrates a schematic block diagram of a lighting equipment management device based on spectral sensing according to an embodiment of the present application.
  • FIGS. 10 and 11 illustrate schematic diagrams of wearable devices applying the lighting device management method based on spectral sensing according to embodiments of the present application.
  • Figure 12 illustrates a schematic configuration block diagram of a wearable device according to an embodiment of the present application.
  • a spectral sensor is used to obtain spectral information of ambient light.
  • the spectral sensor will be described in detail first.
  • the spectrum sensor may include a spectrum chip.
  • the spectrum chip includes a filter structure and an image sensor.
  • the filter structure is located on the photosensitive path of the image sensor.
  • the filter structure is in the frequency domain or wavelength domain. broadband filter structure.
  • the pass spectra of different wavelengths of each filter structure are not exactly the same.
  • Filter structures can be metasurfaces, photonic crystals, nanopillars, multilayer films, dyes, quantum dots, MEMS (microelectromechanical systems), FP etalon (FP etalon), cavity layer (resonant cavity layer), waveguide layer (waveguide) layer), diffractive elements and other structures or materials with filtering properties.
  • the light filter structure may be the light modulation layer in Chinese patent CN201910699962.3.
  • Figure 1 illustrates a schematic structural diagram of a spectrum chip according to an embodiment of the present application.
  • the spectrum chip 100 includes a light modulation layer 110 and an image sensing layer 120, each modulation unit 111 and each sensing unit 121 They are respectively arranged on the light modulation layer and the image sensing layer correspondingly up and down.
  • Each modulation unit is provided with at least one modulation sub-unit, and each modulation sub-unit is provided with several modulation holes that penetrate the light modulation layer. , each modulation hole in the same modulation subunit is arranged into a two-dimensional graphic structure with specific arrangement rules.
  • the chip is based on the modulation effect of the modulation unit array in optoelectronics on light of different wavelengths, and can collect image information of multiple spectra at the same time; therefore, the modulation structure corresponding to different coordinates can obtain spectral information corresponding to different light source areas in the ambient light. Including but not limited to central wavelength, color temperature, chromaticity, etc.
  • the light source information at different regional positions can be judged based on the coordinate position of the modulation structure, several light sources in the ambient light can be judged based on the obtained spectral information of the ambient light.
  • the central wavelength, color temperature, and color coordinates of the light source etc. can be recovered through spectroscopy.
  • Figure 2 illustrates a schematic diagram of a spectral recovery setup of a spectral sensor according to an embodiment of the present application.
  • the spectral color temperature sensor may also include an optical system.
  • the optical system is located on the photosensitive path of the image sensor. After the light is adjusted by the optical system and then modulated through the filter structure, it is received by the image sensor. Obtain a spectral response; wherein the optical system may be an optical component such as a lens assembly.
  • the image sensor can be a CMOS image sensor (CIS), CCD, array light detector, etc.
  • the spectrum sensor also includes a data processing unit, which may be an MCU, CPU, GPU, FPGA, NPU, ASIC, etc., which can export the data generated by the image sensor to the outside for processing.
  • the image sensor measures the spectral response
  • it is transmitted to the data processing unit to calculate the spectral information recovered by the incident light.
  • the process is described in detail as follows:
  • the intensity signals of the incident light at different wavelengths ⁇ are recorded as The transmission spectra of the group structural units are different from each other.
  • one physical pixel is used, that is, one physical pixel corresponds to a group of structural units.
  • a group of multiple physical pixels may also be a group corresponding to a group of structural units. .
  • a physical pixel When corresponding to a structural unit, it can be understood as the measured light intensity corresponding to m 'physical pixels', which is a vector with a length of m.
  • A is the light response of the system to different wavelengths, which is determined by two factors: the transmittance of the filter structure and the quantum efficiency of the image sensor.
  • A is a matrix, and each row vector corresponds to the response of a group of structural units to incident light of different wavelengths.
  • the incident light is sampled discretely and uniformly, with a total of n sampling points.
  • the number of columns of A is the same as the number of sampling points of the incident light.
  • x( ⁇ ) is the intensity of the incident light at different wavelengths ⁇ , which is the spectrum of the incident light to be measured.
  • the filter structure can be directly formed on the upper surface of the image sensor, such as quantum dots, nanowires, etc., which directly form the filter structure in the photosensitive area of the sensor. Or materials (nanowires, quantum dots, etc.), taking the filter structure as an example.
  • the filter structure is formed on the upper surface of the raw material, so The transmission spectrum and the response of the image sensor are integrated, that is, it can be understood that the response of the detector and the transmission spectrum are the same curve.
  • the spectral information of the incident light can be obtained through calculation.
  • the color temperature of the incident light (that is, the measured ambient light) can be restored through the color coordinates.
  • the spectral sensor may be a spectral color temperature sensor used to further obtain color temperature information based on spectral information.
  • FIG. 3 illustrates a flow chart of a lighting equipment management method based on spectral sensing according to an embodiment of the present application.
  • a lighting equipment management method based on spectral sensing includes the following steps.
  • Step S210 Obtain ambient light information in an environment currently containing lighting equipment, where the ambient light information at least includes spectral information of the ambient light.
  • the ambient light information further includes but is not limited to brightness, chromaticity, illuminance and other information. Therefore, in the embodiment of the present application, the lighting equipment can be managed according to the acquired ambient light information.
  • the acquired ambient light information at least includes spectral information
  • the spectral information can be further used to restore the corresponding color temperature, chromaticity, illuminance and other information of the ambient light.
  • the spectral information is obtained through a spectral sensor as described above, wherein the spectral sensor has a modulation function for incident ambient light.
  • the spectral sensor has a modulation function for incident ambient light.
  • other information of the original incident light can also be obtained.
  • the brightness of the ambient light can be obtained through the part without a modulation structure.
  • obtaining the ambient light information in an environment that currently contains lighting equipment includes: obtaining the spectrum information of the ambient light through a spectrum sensor; and, At least one of the color temperature, chromaticity and illuminance of the ambient light is restored based on the spectral information.
  • obtaining the ambient light information in an environment that currently contains lighting equipment includes: obtaining the said information through a part of the spectrum sensor having a modulation structure. Spectral information of the ambient light; and, obtaining the brightness information of the ambient light through a portion of the spectral sensor that does not have a modulation structure.
  • Step S220 Manage the lighting device based on the ambient light information.
  • the management of the lighting equipment may include displaying and reminding the lighting equipment of the current ambient light information, and managing the lighting settings of the lighting equipment in the current environment. For example, it may control a certain lighting device in the current environment.
  • the lighting settings of one lighting device or several lighting devices can be adjusted, or the lighting settings of all lighting devices can be controlled for joint adjustment.
  • the lighting settings may include color temperature, chromaticity, illuminance, brightness settings, etc. of the lighting device.
  • managing the lighting equipment based on the ambient light information includes: managing the lighting equipment to display the ambient light information; and/ Or, manage the lighting settings of the lighting device in the current environment.
  • the spectral information of the lighting devices that currently need to be managed can be stored in advance, and a database of corresponding lighting devices and spectral information can be established.
  • the lighting equipment management method based on spectral sensing before obtaining the ambient light information in the environment that currently contains the lighting equipment, it includes: determining the spectrum information of the lighting equipment to be managed; and, The corresponding relationship between the lighting equipment and its spectral information is stored in the database.
  • the spectral information of the lighting device in the current environment is obtained through the spectral sensor, it can be matched with the pre-stored spectral information.
  • the lighting equipment is managed according to the currently detected spectral information of the lighting equipment and the color temperature, chromaticity and other information recovered based on the spectral information, including It reminds the user of the unhealthy state of the current ambient light, and automatically controls the lighting settings of the lighting equipment to adjust to healthy color temperature, illumination, etc.
  • managing the lighting equipment based on the ambient light information includes: combining the spectrum information of the ambient light with the information stored in the database.
  • the spectral information of the ambient light is matched; in response to the spectral information of the ambient light matching the spectral information stored in the database, the lighting device is managed according to the spectral information of the ambient light and the ambient light information restored according to the spectral information. lighting settings.
  • the number of currently detected lighting devices serving as light sources in the current environment is multiple, it is determined whether at least the spectral information of the lighting devices stored in advance is included.
  • the lighting settings of the pre-stored lighting device that is, the corresponding color temperature, chromaticity, or brightness, etc., are adjusted according to the detected spectral information of the lighting device.
  • the target ambient light information may be preset, and the target ambient light information at least includes spectral information of the target ambient light. Therefore, based on the ambient light signal Managing the lighting equipment includes managing the lighting equipment based on the ambient light information and the target ambient light information.
  • the above lighting equipment management method based on spectral sensing before obtaining the ambient light information in the environment currently containing the lighting equipment, it includes: pre-setting the target ambient light information, and the target ambient light information at least includes the Spectral information of target ambient light; and, managing the lighting device based on the ambient light information includes: managing the lighting device based on the ambient light information and the target ambient light information.
  • managing the lighting equipment based on the ambient light information and the target ambient light information includes: determining the number of the lighting equipment based on the ambient light information. ; in response to the number of the lighting devices being multiple, determining whether the plurality of lighting devices include at least the pre-stored lighting device; and in response to the plurality of lighting devices including at least the pre-stored lighting device, based on The spectral information of the ambient light and the spectral information of the target ambient light manage lighting settings of the pre-stored lighting device.
  • the pre-stored spectral information of the lighting device is the spectral information of a desk lamp
  • the spectral information of the ambient light obtained through the spectrum sensor includes, in addition to the spectral information of the desk lamp, other spectral information of different center wavelengths.
  • Spectral information of the light source When it is determined that the detected ambient light includes the pre-stored spectral information of the desk lamp, the color temperature of the ambient light is calculated based on the spectral information of the mixed ambient light, and then the color temperature of the ambient light is obtained based on the acquired spectral information.
  • the color temperature of the ambient light adjusts the color temperature of the desk lamp. The adjustment of the color temperature can be set according to the user's needs.
  • the target color temperature value can be preset.
  • the adjustment is made based on the actually detected spectral information of the ambient light, or converted into the color temperature of the ambient light and then adjusted.
  • the desk lamp that needs to be adjusted.
  • the color temperature of the desk lamp's light source shines on desktops or books made of different materials, the corresponding color temperatures of the reflected light are also different. Therefore, when the ambient light is detected
  • the system adjusts to the target color temperature based on the detected ambient light information.
  • determining the number of the lighting equipment based on the ambient light information includes: determining the number of different light sources corresponding to the spectral information in the ambient light information. Center wavelength information.
  • managing the lighting equipment based on the ambient light information and the target ambient light information includes: determining based on the spectrum information of the ambient light The color temperature of the ambient light; according to the spectrum of the target ambient light Information determines a color temperature of the target ambient light; and controlling a color temperature of the lighting device based on the color temperature of the ambient light and the color temperature of the target ambient light.
  • managing the lighting settings of the pre-stored lighting equipment based on the spectral information of the ambient light and the spectral information of the target ambient light includes: Determine the color temperature of the ambient light according to the spectral information of the ambient light; determine the color temperature of the target ambient light according to the spectral information of the target ambient light; and, based on the color temperature of the ambient light, the color temperature of the target ambient light Color temperature controls the color temperature of the lighting device.
  • the management of the lighting device based on the ambient light information and the target ambient light information includes individual management of a lighting device, and also includes relatively complex ambient light management of multiple light sources, In addition, ambient light may be affected by reflections from desktops and other reflective surfaces.
  • the management goal of the lighting equipment is to achieve the required adjustment standard of the target ambient light, such as color temperature, based on the target ambient light information, thereby realizing the management of one or more lighting equipment.
  • the color temperature of the lighting equipment is controlled based on the color temperature of the ambient light and the color temperature of the target ambient light. Including one of the following: directly adjusting the color temperature of the pre-stored lighting device to the color temperature value of the target ambient light; responding to the color temperature of the ambient light being different from the color temperature value of the target ambient light, according to the Adjust the color temperature of the lighting device based on the spectral information of the ambient light or the calculated color temperature of the ambient light; and, in response to the current environment including only the lighting device as a light source, and/or the lighting device.
  • the lighting device is adjusted to the color temperature value of the target ambient light.
  • the characteristics of the spectral sensor can be used to determine the lighting equipment in different positions or areas corresponding to the ambient light and the lighting equipment emitting light of different wavelengths, thereby correspondingly be administered as described in further detail below.
  • the color temperature information of different locations (coordinates) or regions can also be obtained, and the color temperature information of different regions of the ambient light can be adjusted according to the obtained color temperature information.
  • the color temperature of the lighting device to be managed That is to say, based on the spectral information or the calculated color temperature information, it can be determined that the lighting equipment is located in different locations or areas, and then the lighting equipment can be managed according to the different locations or areas.
  • the color temperature corresponding to the position of the ceiling lamp above the head and the color temperature of the desk lamp are obtained, only the color temperature of the current desk lamp can be adjusted to achieve the target color temperature.
  • managing the lighting settings of the pre-stored lighting equipment based on the spectral information of the ambient light and the spectral information of the target ambient light includes: Determine lighting device information located at the different locations or areas based on the current spectral information of the ambient light; Lighting equipment is managed.
  • color temperature information corresponding to different locations or different areas is calculated based on the spectral information of the ambient light; based on the color temperature information of the different locations or areas Determining information about lighting devices located in the different locations or areas; and managing the lighting devices located in the different locations or areas based on the spectrum information of the ambient light and the spectrum information of the target ambient light.
  • FIG. 4 illustrates a schematic diagram of spectral lines formed by a green light source. As shown in Figure 4, the center wavelengths are at 532nm and 561nm, and two peaks clearly appear. Therefore, the spectrum sensor can be finely adjusted according to the spectra corresponding to different incident ambient lights.
  • the wavelength range of the lighting device to be adjusted is in the second wavelength range
  • the wavelength range of the target spectrum is in the third wavelength range
  • the values of the first wavelength range, the second wavelength range and the third wavelength range may be the same or different, and are not specifically limited here.
  • the light source of the desk lamp can be adjusted to display within the wavelength range that removes blue light. Furthermore, all emitted light in the current ambient light can be managed.
  • the wavelength of the light source is removing blue light Lights up within the wavelength range.
  • managing the lighting settings of the pre-stored lighting equipment based on the spectral information of the ambient light and the spectral information of the target ambient light includes: Determining that the spectral information of the ambient light is within a first wavelength range; determining that the spectral information of the pre-stored lighting device is within a second wavelength range; and, based on the first wavelength range, adjusting the second wavelength range to The third wavelength range corresponding to the spectral information of the target ambient light.
  • managing the lighting settings of the pre-stored lighting device based on the spectral information of the ambient light and the spectral information of the target ambient light includes: determining the ambient light The spectral information of the target ambient light is within the first wavelength range; it is determined that the spectral information of the target ambient light is within the second wavelength range; and, the spectral information of the pre-stored lighting device is adjusted so that the spectral information of the ambient light responds to the within the second wavelength range.
  • the lighting equipment management method based on spectral sensing can be used to protect users from blue light when they are in a learning state.
  • the state mode can be customized by the user, and ambient light management can be performed when entering this mode.
  • self-detection can also be performed through the user's smart devices, such as wearable devices.
  • the anti-blue light mode is adjusted.
  • LED lights have different light-emitting principles from traditional lights. They first emit blue light, then excite phosphors, emit yellow light, and mix into white light. Its spectrum contains more blue light components. In fact, It is not blue light, but high-energy visible light with a wavelength of 380-500 nanometers, which is the most energetic light among visible lights. In the long term, excessive blue light can cause oxidative stress in the retina, causing cell damage in the macular area, leading to irreversible damage.
  • the lighting equipment management method based on spectral sensing can effectively detect and remind the user, provide the user with necessary light source control, and can affect the harmful effects of the light source based on the detected spectral information and illumination of the light source. Adjust the optical wavelength range or reduce the impact of harmful light.
  • the pre-stored information is managed based on the spectral information of the ambient light and the spectral information of the target ambient light.
  • the lighting settings of the lighting device include: determining whether the ambient light contains harmful light of a predetermined wavelength based on spectral information of the ambient light; and, in response to determining that the ambient light contains harmful light of a predetermined wavelength, adjusting the The pre-stored spectral information of the lighting device causes the spectral information of the ambient light to respond within a wavelength range corresponding to the spectral information of the target ambient light and the spectral information of the target ambient light.
  • the spectral information of the current ambient light is obtained through the spectrum sensor, and the color temperature and illuminance information of the corresponding ambient light can be further obtained through the spectral information.
  • the obtained information about the light source adjustments can be made to different needs.
  • the user can be reminded to make adjustments, or the light source can be adjusted by the user in a state set by the user.
  • the user can set to enter the sleep state.
  • the user can also select the light source information suitable for the sleep mode, adjust the blue light band of the emitting light source, and try to adjust it to the wavelength range of long wavelength and low brightness to ensure effective sleep.
  • the light source information suitable for the sleep mode adjust the blue light band of the emitting light source, and try to adjust it to the wavelength range of long wavelength and low brightness to ensure effective sleep.
  • You can also restore the color temperature according to the spectral information and adjust it according to the obtained color temperature and illumination of the ambient light. For example, adjust the light source to below 3000K. There are more light sources with color temperatures corresponding to this wavelength range. Good for sleep and vision.
  • Figure 5 illustrates a schematic diagram of the center wavelengths of spectral lines of light of different colors. As shown in Figure 5, in daily life, the central wavelengths of spectral lines presented by different colors are different. The same color seen by the human eye will also have errors, and in fact the wavelengths are also different.
  • Figure 6 illustrates a schematic diagram of spectral information of an LED light source.
  • the spectral information of the LED light source includes spectral lines of red, green, and blue colors and spectral lines of white light.
  • Figure 7 illustrates a spectrum diagram of ambient light detected in a general room. As shown in Figure 7, it illustrates the spectral information after mixing of complex light sources in a common indoor environment. Among them, the color temperature of the ambient light is higher than 4500k, which is a cool white light source. If you study under this intensity of light source, it will be very harmful to your eyes. Therefore, you need to calculate the spectral information of the light source detected by the spectrum sensor to obtain the corresponding color temperature, which is currently 4500k. Then, based on the color temperature set by the user, blue light can be removed or suppressed. The wavelength of blue light is then adjusted to generate spectral information.
  • 4500k is a cool white light source.
  • the illumination and color temperature of the target light source are adjusted, or the spectral wavelength range of the corresponding target light source can be directly adjusted.
  • Figure 8 illustrates a schematic diagram of the spectral information and corresponding color temperature displayed by the light source after removing the blue light part.
  • the harmful blue light part is suppressed, and the brightness and color temperature information of the light source required by the user for eye protection is obtained.
  • the corresponding calculated color temperature is around 2000k.
  • multi-level or linear adjustments can be made within the wavelength range of the eye-protecting source to obtain the most comfortable chromaticity light source for the eyes. The specific adjustment whether it is reddish, yellowish or beige can be freely selected by the user.
  • Various wavelength ranges can also be preset in advance as the corresponding learning mode.
  • the lighting equipment management method based on spectral sensing can determine the predetermined The light in the wavelength range is adjusted in a targeted manner to meet the specific needs of the user.
  • managing the lighting settings of the pre-stored lighting device based on the spectral information of the ambient light includes: determining based on the spectral information of the ambient light light of different wavelength ranges in the ambient light; and managing the lighting device to adjust lighting settings of light of a predetermined wavelength range.
  • the spectral sensor in addition to sensing the spectral information of ambient light, can be further adjusted based on the state of the subject to be detected. For example, when the spectral sensor is installed in a wearable device, it can be adjusted based on the state of the wearable device. Adjust the status of the subject to be detected.
  • this state can be determined by a built-in sensor of a wearable device, such as a watch or bracelet.
  • a wearable device such as a watch or bracelet.
  • the obtained ambient color temperature will be inaccurate if it is still parallel to the display surface.
  • the spectrum sensor module can be rotated toward the surface of the body perpendicular to the vertical direction, so that the current ambient light information can be obtained more accurately.
  • obtaining the ambient light information in the environment currently containing lighting equipment includes: obtaining the status of the user currently corresponding to the spectrum sensor; according to the user adjust the posture of the spectrum sensor; and, use the posture-adjusted spectrum sensor to obtain spectral information of the ambient light.
  • the spectral sensor in addition to obtaining the spectral information of each lighting device of the current ambient light, can further obtain the radiation of the corresponding lighting device through the spectral information. radiate energy.
  • the acquired ambient light's health-harming light energy reaches a set value, the user is reminded to take a break or leave the current light source.
  • the user's accumulated time under the light source reaches a state that is harmful to the eyes, so the user can be reminded to take a rest.
  • wavelengths containing blue light are detected, because blue light is a short-wave light source with high energy, which can cause irreversible damage to the human body and vision.
  • the energy of the detected blue light band and the corresponding usage time reach the set threshold Provide health reminders to inform users to take a rest.
  • the lighting equipment management method based on spectral sensing it further includes: obtaining the radiation energy of the lighting equipment based on the spectral information of the ambient light; and, in response to the radiation energy reaching a predetermined Threshold to remind the user.
  • in response to the radiation energy reaching a predetermined threshold reminding the user includes: responding to the ambient light corresponding to the predetermined band of light.
  • the energy and usage time of the lighting equipment reach a predetermined threshold, the user is reminded.
  • the lighting equipment management method based on spectral sensing can use multiple spectral sensors, and the multiple spectral sensors are set at different angles relative to the user, so that the lighting device management method can be based on the user's
  • the state comprehensively obtains spectral information of ambient light from several angles, and adjusts the lighting settings of the lighting device according to the comprehensively obtained spectral information of ambient light.
  • obtaining the ambient light information in the environment currently containing the lighting equipment includes: obtaining the obtained information with multiple spectral sensors arranged at different angles relative to the user.
  • a lighting equipment management method based on spectral sensing is provided.
  • the current ambient light information is collected, and the current ambient light information is analyzed to see whether the current ambient light information contains information that matches the preset lighting equipment information.
  • Information about the lighting device, and the lighting device information at least includes spectral information of the lighting device.
  • the information about the lighting equipment may be the spectral lines of the lighting equipment, or may also be information such as light intensity, color temperature, chromaticity, and color coordinates.
  • the lighting equipment can be managed based on the current ambient light information (including but not limited to color temperature, chromaticity) and the corresponding imaging coordinate information of the lighting equipment. lighting settings.
  • FIG. 9 illustrates a schematic block diagram of a lighting equipment management device based on spectral sensing according to an embodiment of the present application.
  • the lighting equipment management device 300 based on spectral sensing according to an embodiment of the present application includes: a spectrum sensing unit 310, used to obtain ambient light information in an environment that currently contains lighting equipment.
  • the ambient light information At least including spectral information of the ambient light; and, a management unit 320 configured to manage the lighting device based on the ambient light information.
  • FIGS. 10 and 11 illustrate schematic diagrams of wearable devices applying the lighting device management method based on spectral sensing according to embodiments of the present application.
  • a wearable device applying a lighting device management method based on spectral sensing may include a spectral sensor installed on the wearable device.
  • the spectrum sensor is installed on the forehead frame edge of the wearable device, a groove is provided on the forehead frame edge, and the spectrum sensor module is placed in the groove.
  • the spectrum sensor may also be disposed under the display screen of the wearable device.
  • the spectrum sensor can be fixedly arranged in the groove, and the upper surface is flush with the display screen.
  • the spectrum sensor may be disposed in the groove and connected to the frame through a rotating shaft.
  • the spectrum sensor module can rotate around the axis of rotation, and can rotate from the same plane as the display screen to the opposite side of the display screen.
  • the wearable devices include but are not limited to helmets, glasses, watches, etc.
  • the smart watch may include at least one spectrum sensor, and the spectrum sensor may be disposed on one side of the screen of the smart watch, such as next to the front camera device of the smart watch.
  • the spectrum sensor may be configured as a module integrated with the front camera device and installed on the screen side of the wearable device.
  • FIG. 12 illustrates a schematic configuration block diagram of a wearable device according to an embodiment of the present application.
  • a wearable device 400 according to an embodiment of the present application includes a spectrum sensor 410 provided on the display screen of the wearable device, and the spectrum sensor 410 includes: a spectrum information collection unit 411 for acquiring the current Contains ambient light information in the environment of the lighting device, the ambient light information It includes at least spectral information of the ambient light; and a management unit 412 for managing the lighting device based on the ambient light information.
  • each component or each step can be decomposed and/or recombined. These decompositions and/or recombinations shall be considered equivalent versions of this application.

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention concerne un procédé de gestion de dispositif d'éclairage basé sur la détection spectrale, un appareil et un dispositif portable. Le procédé de gestion de dispositif d'éclairage basé sur la détection spectrale consiste à : acquérir des informations de lumière ambiante d'un environnement actuel contenant un dispositif d'éclairage, les informations de lumière ambiante comprenant au moins des informations spectrales de la lumière ambiante (S210) ; et, sur la base des informations de lumière ambiante, gérer le dispositif d'éclairage (S220). En gérant le dispositif d'éclairage au moins sur la base des informations spectrales de la lumière ambiante dans l'environnement actuel, le dispositif d'éclairage peut être géré de manière flexible sans les effets de la position de fixation du dispositif d'éclairage et des changements spatiaux.
PCT/CN2023/105685 2022-08-01 2023-07-04 Procédé de gestion de dispositif d'éclairage basé sur la détection spectrale, appareil et dispositif portable WO2024027448A1 (fr)

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CN202210916202.5 2022-08-01
CN202210916202.5A CN117537919A (zh) 2022-08-01 2022-08-01 基于光谱传感的照明设备管理方法、装置和可穿戴设备

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104756602A (zh) * 2012-10-18 2015-07-01 首尔半导体株式会社 发光装置
CN105632413A (zh) * 2016-01-11 2016-06-01 京东方科技集团股份有限公司 一种背光源的调节方法、调节装置及显示装置
EP3352534A1 (fr) * 2017-01-23 2018-07-25 Zumtobel Lighting GmbH Dispositif d'éclairage, système d'éclairage, ainsi qu'un procédé de commande d'un dispositif d'éclairage
CN109105035A (zh) * 2018-09-08 2019-01-01 合刃科技（深圳）有限公司 光谱控制方法、装置及系统
CN113227731A (zh) * 2018-12-26 2021-08-06 京瓷株式会社 光谱控制设备、光谱控制程序和数据结构
CN114688483A (zh) * 2020-12-30 2022-07-01 欧普照明股份有限公司 一种自适应台灯

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104756602A (zh) * 2012-10-18 2015-07-01 首尔半导体株式会社 发光装置
CN105632413A (zh) * 2016-01-11 2016-06-01 京东方科技集团股份有限公司 一种背光源的调节方法、调节装置及显示装置
EP3352534A1 (fr) * 2017-01-23 2018-07-25 Zumtobel Lighting GmbH Dispositif d'éclairage, système d'éclairage, ainsi qu'un procédé de commande d'un dispositif d'éclairage
CN109105035A (zh) * 2018-09-08 2019-01-01 合刃科技（深圳）有限公司 光谱控制方法、装置及系统
CN113227731A (zh) * 2018-12-26 2021-08-06 京瓷株式会社 光谱控制设备、光谱控制程序和数据结构
CN114688483A (zh) * 2020-12-30 2022-07-01 欧普照明股份有限公司 一种自适应台灯

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