WO2023246920A1 - Procédé et appareil de réglage de transmittance de lumière du verre, dispositif, et support de stockage - Google Patents

Procédé et appareil de réglage de transmittance de lumière du verre, dispositif, et support de stockage Download PDF

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Publication number
WO2023246920A1
WO2023246920A1 PCT/CN2023/101934 CN2023101934W WO2023246920A1 WO 2023246920 A1 WO2023246920 A1 WO 2023246920A1 CN 2023101934 W CN2023101934 W CN 2023101934W WO 2023246920 A1 WO2023246920 A1 WO 2023246920A1
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WO
WIPO (PCT)
Prior art keywords
gear
light transmittance
current
capacitance
target
Prior art date
Application number
PCT/CN2023/101934
Other languages
English (en)
Chinese (zh)
Inventor
吴陈青
李国林
王宁
王焕霞
孙留旗
李丹
徐云
Original Assignee
浙江极氪智能科技有限公司
浙江吉利控股集团有限公司
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 浙江极氪智能科技有限公司, 浙江吉利控股集团有限公司 filed Critical 浙江极氪智能科技有限公司
Publication of WO2023246920A1 publication Critical patent/WO2023246920A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
    • B60J3/04—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in transparency
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers

Definitions

  • This application relates to the field of vehicle technology, specifically a method, device, equipment and storage medium for adjusting the light transmittance of glass.
  • the internal structure of the car window glass includes a dimming film.
  • the dimming film In the absence of an electric field, the dimming film is in a light-transmitting and opaque state. When alternating current is supplied, the liquid crystal molecules are arranged in an orderly manner. At this time, the dimming film changes from transparent to transparent.
  • the light opaque state is converted to a transparent state, traditional car window glass can only set the light transmittance within a fixed range and cannot realize dimming and color changing functions, making it impossible for passengers to adjust the light transmittance of the ribbon area according to environmental factors.
  • this application discloses a method for adjusting the light transmittance of glass, which can realize intelligent adjustment of the light transmittance of the glass, adjust the light transmittance of the glass to the first target light transmittance, and can Improve the accuracy of gear adjustment.
  • the method includes:
  • the method further includes:
  • the current light transmittance gear corresponding to the current light transmittance gear is The gear capacitance is adjusted to the current gear capacitance corresponding to the first target light transmittance gear, including:
  • gear corresponding information is also used to characterize the current open circuit voltage corresponding to each of the multiple preset light transmittance gears
  • Determining the gear corresponding information corresponding to the current moment includes:
  • the generated Describes the gear corresponding information corresponding to the current moment.
  • the current light transmittance gear is determined based on the current gear capacitance corresponding to the current open circuit voltage.
  • the method before receiving the gear position self-calibration instruction, the method includes:
  • this application also provides a device for adjusting the light transmittance of glass, including:
  • a receiving module configured to receive a light transmittance adjustment instruction;
  • the light transmittance adjustment instruction includes a first target light transmittance gear, and the first target light transmittance gear matches the target light transmittance;
  • a determination module used to determine the gear corresponding information corresponding to the current moment; the gear corresponding information represents the current gear capacitance corresponding to each of the multiple preset light transmittance gears;
  • Figure 1 is a schematic diagram of the internal structure of the vehicle window glass provided by the embodiment of the present application.
  • Figure 3 is a flow chart of a method for determining gear corresponding information corresponding to the current moment provided by an embodiment of the present application
  • Figure 5 is a structural block diagram of a device for adjusting the light transmittance of glass provided by an embodiment of the present application.
  • the method includes:
  • S110 Receive the light transmittance adjustment instruction; the light transmittance adjustment instruction includes the first target light transmittance gear, and the first target light transmittance gear matches the target light transmittance;
  • S120 Determine the gear corresponding information corresponding to the current moment; the gear corresponding information represents the current gear capacitance corresponding to each of multiple preset light transmittance gears;
  • the gear corresponding information represents the current gear capacitance corresponding to multiple preset light transmittance gears.
  • the current gear capacitance corresponding to multiple preset light transmittance gears is Capacity recalibration; determine the update period of the gear corresponding information based on the attenuation of the total amount of glass capacitance, and the gear corresponding information can be updated at the end of each update cycle; determine the preset attenuation, and the update period is the last update After the end of the gear corresponding information, it is the period until the attenuation rate of the total glass capacitance reaches the preset attenuation amount. For example, the preset attenuation amount is 100. After the last update of the gear corresponding information, it is the period until the total amount of glass capacitance is detected.
  • the light transmittance adjustment instruction By receiving the light transmittance adjustment instruction, the light transmittance gear of the glass is adjusted.
  • the light transmittance adjustment instruction can be automatically issued by the processor.
  • the light transmittance adjustment instruction includes the first target light transmittance gear. At the current light transmittance When the gear does not match the first target light transmittance gear, the current gear capacitance corresponding to the light transmittance gear is adjusted to the first target light transmittance gear so that the light transmittance of the glass is automatically adjusted. is the target light transmittance. When the current light transmittance level matches the first target light transmittance level, the light transmittance of the glass is not adjusted.
  • the light transmittance gear can be manually input according to the user's wishes, so that the light transmittance of the glass can be automatically adjusted to the target light transmittance of the user's wishes; automatic gear adjustment and manual adjustment can be combined to realize intelligent glass light transmittance adjustment. ; Before performing the light transmittance gear adjustment, determine the gear corresponding information corresponding to the current moment. The update period of the gear corresponding information can be determined based on the attenuation of the total glass capacitance. The gear corresponding information can accurately reflect the current moment.
  • the current capacitance corresponding to each of the multiple preset light transmittance gears, the current capacitance corresponding to the first target light transmittance gear is determined in the gear corresponding information, and the current capacitance corresponding to the multiple preset light transmittance gears is determined.
  • the capacitance of the current gear is attenuated, ensure that each preset light transmittance gear is adjusted normally to improve the accuracy of gear adjustment.
  • the method before step S110, the method further includes:
  • the environmental parameter information includes temperature information and light intensity information, and multiple preset temperature intervals and multiple preset light intensity intervals are predetermined.
  • S220 Combine multiple preset temperature intervals and multiple preset light intensity intervals to obtain multiple temperature and light combinations
  • S240 Establish a corresponding relationship between multiple temperature illumination combinations and their corresponding preset transmittance levels
  • T is the temperature
  • E is the light intensity
  • I to X in the table are the set gears, where I is the gear with the smallest transmittance, and X is the gear with the largest transmittance. It should be noted that the above table Only one specific implementation is described without limitation.
  • the corresponding relationship between the temperature and illumination combination and the preset light transmittance gear can be set by oneself. Predetermining the corresponding relationship between the temperature and illumination combination and the preset light transmittance gear can improve the efficiency of determining the first target light transmittance gear, thereby improving the efficiency of adjusting the light transmittance gear.
  • the current gear capacitance corresponding to the current light transmittance gear is adjusted based on the gear corresponding information. It is the current gear capacitance corresponding to the first target light transmittance gear, including:
  • the temperature information and the light intensity information corresponding to the current time are obtained.
  • the target time that is a preset time interval from the current time
  • the target temperature information and the target light intensity information corresponding to the target time are obtained. It can be understood that, in advance It is assumed that the temperature information and light intensity information are only obtained once within a certain period of time. As an implementation method, the preset time is five minutes.
  • the temperature parameters and illumination around the vehicle are obtained in the next detection cycle. intensity to determine the corresponding fourth target light transmittance level.
  • the difference between the reference light transmittance level and the fourth target light transmittance level is greater than or equal to the preset level difference, the reference light transmittance level will be used.
  • the gear is adjusted to the fourth target transmittance gear; when the gear difference between the reference transmittance gear and the fourth target transmittance gear is less than the preset gear difference, the reference transmittance gear is maintained ; and so on, so as to achieve automatic adjustment of the light transmittance gear.
  • the preset gear difference is 3, and the reference transmittance gear is 2.
  • the current transmittance gear is the reference transmittance gear by default.
  • the detection cycle should be adjusted to level 3 based on the detection of temperature and light intensity.
  • the gear difference is 1, so the gear adjustment is not performed in the first detection cycle; the second detection cycle detects The gear should be adjusted to gear 6, and still compared with the reference transmittance gear.
  • the gear difference is 4, so in the second detection cycle, adjust the gear to gear 6, and gear 6 is the reference gear.
  • the gear difference is 4.
  • the gear In the third detection cycle, the gear should be adjusted to 2. Gear, it is detected in the fourth detection cycle that the gear should be adjusted to gear 7. At this time, it should be compared with the reference gear (gear 2). The gear difference is 5, so in the fourth detection cycle, the gear should be adjusted to 7th gear, determine 7th gear as the reference gear, and repeat.
  • the gear corresponding information is also used to characterize the current open circuit voltage corresponding to each of multiple preset light transmittance gears;
  • Step S120 includes:
  • the current gear capacitance corresponding to each of the multiple preset light transmittance gears is determined through calibration.
  • the total glass capacitance attenuates, according to each preset light transmittance gear before the vehicle leaves the factory.
  • the ratio of the corresponding current gear capacitance to the total glass capacitance is recalibrated to obtain the updated current gear capacitance corresponding to each preset light transmittance gear.
  • Recalibrating the current capacitance corresponding to each preset light transmittance gear and the current open circuit voltage corresponding to each preset light transmittance gear can avoid affecting the light transmittance level due to the attenuation of the total glass capacitance.
  • the normal adjustment of the position improves the stability of the light transmittance gear adjustment.
  • the method further includes:
  • S320 Determine the current transmittance level based on the current gear capacitance corresponding to the current open circuit voltage
  • the process before receiving the gear self-calibration instruction, the process includes:
  • the calibration period is determined based on the attenuation of the total glass capacitance, and the total glass capacitance in the previous calibration period is obtained at the time interval of the calibration period.
  • the calibration period is consistent with the gear corresponding information update period mentioned above in this embodiment.
  • S420 Determine the difference between the current total glass capacitance corresponding to the current open circuit voltage and the total glass capacitance in the previous calibration cycle. If the difference is greater than the preset difference, generate a gear self-calibration instruction;
  • the controller automatically issues a gear self-calibration instruction.
  • a gear self-calibration instruction it is determined whether the vehicle currently meets the gear level.
  • the conditions for self-calibration are specifically to determine whether there are passengers in the car at this time. It may be possible to start the vehicle at any time while riding, so the conditions for self-calibration are not met when there are passengers in the car.
  • the temperature and light intensity It will also interfere with the gear self-calibration.
  • the gear self-calibration is performed in the early morning when there is no one in the car.
  • gear self-calibration Before performing the gear self-calibration, fully consider the interference caused by environmental factors around the vehicle. , improve the accuracy of gear self-calibration; after determining the difference between the current total glass capacitance and the total glass capacitance in the previous calibration cycle, when the difference is greater than the preset difference, generate a gear self-calibration instruction , automatically performs self-calibration of the gear position, this process does not require human intervention, and realizes intelligent calibration of the gear position.
  • Step 1 Receive the gear position self-calibration command, detect the current total glass capacitance, and record the current total glass capacitance detection result; the process of detecting the current total glass capacity: detect the current light transmittance gear, if the current light transmittance gear When the bit is equal to 1, enter the target light transmittance level 10. If the current light transmittance level is not equal to 1, enter the target light transmittance level 1. When the gear reaches level 1, enter the target gear 10 again. Record the capacitance corresponding to each gear from gear 1 to gear 10 to obtain the current total glass capacitance.
  • Step 2 Determine the difference between the current total glass capacitance and the total glass capacitance in the previous calibration cycle; if the difference is not greater than the preset difference, proceed to step 3; if the difference is greater than the preset difference, proceed to step 4 .
  • Step 3 Set the processor to 0 and enter sleep mode.
  • Step 4 Set the processor to 1 and determine whether the current environment meets the gear self-calibration conditions; if the conditions are met, proceed to step 5.
  • Step 5 Determine the ratio of the current capacitance corresponding to each preset transmittance level to the total glass capacitance. For example, the current capacitance corresponding to each preset transmittance level is redistributed based on the ratio.
  • Step 6 Determine the current open circuit voltage corresponding to each preset light transmittance level based on the current capacitance corresponding to each preset light transmittance level;
  • Step 7 Update the gear corresponding information corresponding to the current moment and perform step 3.
  • the current gear capacitance corresponding to the current light transmittance gear is adjusted based on the gear corresponding information. It is the current gear capacitance corresponding to the first target light transmittance gear, including:
  • Determine the current gear capacitance based on the currently detected current open circuit voltage refer to the current capacitance corresponding to the first target transmittance gear in the recalibrated gear corresponding information, and the gear corresponding information is predetermined information, It can be used directly during the light transmittance gear adjustment process, which can improve the efficiency of light transmittance gear adjustment.
  • this glass transmittance adjustment method can be used on any glass window of the vehicle.
  • the receiving module 610 is configured to receive a light transmittance adjustment instruction;
  • the light transmittance adjustment instruction includes a first target light transmittance gear, and the first target light transmittance gear matches the target light transmittance;
  • the determination module 620 is used to determine the gear corresponding information corresponding to the current moment; the gear corresponding information represents the current gear capacitance corresponding to each of the multiple preset light transmittance gears;
  • This application adjusts the light transmittance level of the glass by receiving the light transmittance adjustment instruction.
  • the first target light transmittance level can be automatically detected by the processor, or can be actively input by the user.
  • the light transmittance adjustment instruction Let include the first target light transmittance gear, and when the current light transmittance gear does not match the first target light transmittance gear, adjust the current gear capacitance corresponding to the light transmittance gear to the first
  • the target light transmittance gear is to automatically adjust the light transmittance of the glass to the target light transmittance. Automatic adjustment and manual adjustment are combined to realize the light transmittance adjustment of intelligent glass; before performing the light transmittance gear adjustment, Determine the gear corresponding information corresponding to the current moment.
  • the temperature information and light intensity information are only obtained once.
  • the current light transmittance level is corresponding to The current gear capacitance is adjusted to the current gear capacitance corresponding to the second target light transmittance gear. This prevents the light transmittance gear from being frequently adjusted due to frequent changes in environmental information around the vehicle, thereby improving passenger comfort and improving Processing efficiency of temperature information and light intensity information.
  • the above storage medium may be located in at least one network server among multiple network servers of the computer network.
  • the above-mentioned storage medium may include but is not limited to: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk, etc.
  • Various media that can store program code may include but is not limited to: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk, etc.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

La présente demande se rapporte au domaine technique des véhicules. Sont divulgués un procédé et un appareil de réglage de la transmittance de lumière du verre, un dispositif, et un support de stockage. Le procédé comprend les étapes consistant à : recevoir une instruction de réglage de transmittance de lumière, l'instruction de réglage de transmittance de lumière comprenant un premier niveau de transmittance de lumière cible ; déterminer des informations de correspondance de niveau correspondant au moment actuel, les informations de correspondance de niveau représentant une quantité de capacité du niveau actuel qui correspond à chaque niveau de transmittance de lumière prédéfini parmi une pluralité de niveaux de transmittance de lumière prédéfinis ; et lorsque le niveau de transmittance de lumière actuel ne correspond pas au premier niveau de transmittance de lumière cible, sur la base des informations de correspondance de niveau, régler une quantité de capacité du niveau actuel qui correspond au niveau de transmittance de lumière actuel à une quantité de capacité du niveau actuel qui correspond au premier niveau de transmittance de lumière cible.
PCT/CN2023/101934 2022-06-24 2023-06-21 Procédé et appareil de réglage de transmittance de lumière du verre, dispositif, et support de stockage WO2023246920A1 (fr)

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CN202210730006.9A CN115157978A (zh) 2022-06-24 2022-06-24 一种玻璃透光率的调节方法、装置、设备及存储介质
CN202210730006.9 2022-06-24

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CN116047827B (zh) * 2021-10-28 2024-04-16 光羿智能科技(苏州)有限公司 电致变色器件的校准方法、装置和电致变色器件
CN115157978A (zh) * 2022-06-24 2022-10-11 浙江极氪智能科技有限公司 一种玻璃透光率的调节方法、装置、设备及存储介质

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CN115157978A (zh) * 2022-06-24 2022-10-11 浙江极氪智能科技有限公司 一种玻璃透光率的调节方法、装置、设备及存储介质

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US5822107A (en) * 1994-12-23 1998-10-13 Saint-Gobain Vitrage Electrically drivable glazing
CN112083613A (zh) * 2020-09-17 2020-12-15 努比亚技术有限公司 电致变色膜驱动控制方法、设备及计算机可读存储介质
CN112817193A (zh) * 2021-01-06 2021-05-18 深圳市光羿科技有限公司 一种电致变色器件的调控方法及一种电子设备
CN113212124A (zh) * 2021-04-22 2021-08-06 浙江吉利控股集团有限公司 一种车窗亮度智能自动化调节方法、装置
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