EP-4737148-A1 - SWITCHABLE GLASS SYSTEM FOR VEHICLE AND CONTROL METHOD THEREFOR

Abstract

A method for controlling a dimming glass system for a vehicle is provided, where the dimming glass system includes a dimming glass sheet mounted on the vehicle. The control method includes: acquiring a vehicle driving mode selected by a user from preset m vehicle driving modes, where m is a positive integer greater than or equal to 2; determining, according to a mapping relationship between vehicle driving modes and dimming modes, a dimming mode corresponding to the vehicle driving mode selected by the user, where the mapping relationship between the vehicle driving modes and the dimming modes includes a mapping relationship between the preset m vehicle driving modes and n dimming modes, and n is a positive integer greater than or equal to 2; and controlling the dimming glass system of the vehicle according to the dimming mode. A dimming glass system for a vehicle is further provided.

Inventors

• ZHAO, JUNJIE
• SU, JING
• CHU, Xiao

Assignees

• Boe Technology Group Co., Ltd.
• Beijing BOE Technology Development Co., Ltd.

Dates

Publication Date

20260506

Application Date

20240621

Claims (20)

1. A method for controlling a dimming glass system for a vehicle, wherein the dimming glass system comprises a dimming glass sheet mounted on the vehicle, the method comprising: acquiring a vehicle driving mode selected by a user from preset m vehicle driving modes, where m is a positive integer greater than or equal to 2; determining, according to a mapping relationship between vehicle driving modes and dimming modes, a dimming mode corresponding to the vehicle driving mode selected by the user, wherein the mapping relationship between the vehicle driving modes and the dimming modes comprises a mapping relationship between the preset m vehicle driving modes and n dimming modes, where n is a positive integer greater than or equal to 2; and controlling the dimming glass system of the vehicle according to the dimming mode.
2. The method of claim 1, wherein each of the n dimming modes has a respective fixed light transmittance or a respective fixed light transmittance range; and wherein the controlling the dimming glass system of the vehicle according to the dimming mode comprises: controlling the dimming glass system of the vehicle according to the fixed light transmittance or the fixed light transmittance range of the dimming mode.
3. The method of claim 1 or 2, wherein the m vehicle driving modes comprise a first vehicle driving mode, the n dimming modes comprise a first dimming mode, and the mapping relationship between the vehicle driving modes and the dimming modes comprises a mapping relationship between the first vehicle driving mode and the first dimming mode; the m vehicle driving modes further comprise a second driving mode, the n dimming modes further comprise a second dimming mode, and the mapping relationship between the vehicle driving modes and the dimming modes further comprises a mapping relationship between the second vehicle driving mode and the second dimming mode; and a light transmittance or a light transmittance range in the first dimming mode is higher than that in the second dimming mode.
4. The method of claim 3, wherein: the m vehicle driving modes further comprise a third driving mode, the n dimming modes further comprise a third dimming mode, and the mapping relationship between the vehicle driving modes and the dimming modes further comprises a mapping relationship between the third vehicle driving mode and the third dimming mode; and a light transmittance or a light transmittance range in the third dimming mode lies between that in the first dimming mode and that in the second dimming mode.
5. The method of any one of claims 1 to 4, further comprising: acquiring an occupant distribution inside the vehicle; and determining, according to the occupant distribution inside the vehicle, a dimming glass sheet that requires a light transmittance adjustment.
6. The method of any one of claims 1 to 5, further comprising: controlling a front passenger seat to move backward in response to the vehicle turning toward a side where the front passenger seat is located.
7. The method of any one of claims 1 to 6, further comprising: detecting at least one of a safety-related event and a privacy-related event of the vehicle; wherein the controlling the dimming glass system of the vehicle according to the dimming mode comprises: determining a light transmittance adjustment information of the dimming glass sheet of the vehicle according to the dimming mode selected by the user and the detected at least one event; and adjusting a light transmittance of the dimming glass sheet according to the light transmittance adjustment information.
8. The method of claim 7, wherein in at least two of the n dimming modes, a priority of the safety-related event is different from a priority of the privacy-related event.
9. The method of claim 7 or 8, wherein the m vehicle driving modes comprise a first vehicle driving mode, the n dimming modes comprise a first dimming mode, and the mapping relationship between the vehicle driving modes and the dimming modes comprises a mapping relationship between the first vehicle driving mode and the first dimming mode; and in the first dimming mode, the priority of each safety-related event is higher than the priority of the privacy-related event.
10. The method of any one of claims 7 to 9, wherein the m vehicle driving modes further comprise a second driving mode, the n dimming modes further comprise a second dimming mode, and the mapping relationship between the vehicle driving modes and the dimming modes further comprises a mapping relationship between the second vehicle driving mode and the second dimming mode; and in the second dimming mode, the priority of at least part of the privacy-related event is higher than the priority of at least part of the safety-related event.
11. The method of claim 10, further comprising: determining an initial light transmittance of the dimming glass sheet according to a determined dimming mode, wherein an initial light transmittance in the first dimming mode is higher than an initial light transmittance in the second dimming mode.
12. The method of any one of claims 7 to 11, wherein the safety-related event comprises at least one event selected from: vehicle turning, lane changing, or a vehicle speed exceeding a speed threshold.
13. The method of any one of claims 7 to 12, wherein the privacy-related event comprises at least one event selected from: a passenger inside the vehicle being in a resting state, or another vehicle being present at a periphery of the vehicle.
14. The method of any one of claims 9 to 13, wherein the determining a light transmittance adjustment information of the dimming glass sheet of the vehicle according to the determined dimming mode comprises: performing a determination on each the safety-related event according to the determined first dimming mode; increasing a light transmittance of at least one dimming glass sheet in response to at least one safety-related event satisfying a safety protection trigger condition; performing a determination on the privacy-related event in response to each safety-related event failing to satisfy the safety trigger condition; and decreasing a light transmittance of at least one dimming glass sheet in response to at least one privacy-related event satisfying a privacy protection trigger condition.
15. The method of any one of claims 9 to 13, wherein the determining a light transmittance adjustment information of the dimming glass sheet of the vehicle according to the determined dimming mode comprises: performing a determination on a first safety-related event according to the determined first dimming mode; increasing a light transmittance of at least one dimming glass sheet in response to the first safety-related event satisfying a safety protection trigger condition; performing a determination on a second safety-related event in response to the first safety-related event failing to satisfy the safety protection trigger condition; increasing a light transmittance of at least one dimming glass sheet in response to the second safety-related event satisfying a safety protection trigger condition; performing a determination on at least one privacy-related event in response to the second safety-related event failing to satisfy the safety protection trigger condition; and decreasing a light transmittance of at least one dimming glass sheet in response to at least one privacy-related event satisfying a privacy protection trigger condition.
16. The method of any one of claims 9 to 13, wherein the determining a light transmittance adjustment information of the dimming glass sheet of the vehicle according to the determined dimming mode comprises: performing a determination on at least one privacy-related event according to the determined second dimming mode; performing a determination on at least one safety-related event in response to the at least one privacy-related event satisfying a privacy protection trigger condition; and decreasing a light transmittance of at least one dimming glass sheet in response to the at least one safety-related event failing to satisfy a safety protection trigger condition.
17. The method of any one of claims 9 to 13, wherein the determining a light transmittance adjustment information of the dimming glass sheet of the vehicle according to the determined dimming mode comprises: performing a determination on a first safety-related event according to the determined second dimming mode; increasing a light transmittance of at least one dimming glass sheet in response to the first safety-related event satisfying a safety protection trigger condition; performing a determination on at least one privacy-related event in response to the first safety-related event failing to satisfy the safety protection trigger condition; increasing a light transmittance of at least one dimming glass sheet in response to the at least one privacy-related event failing to satisfy a privacy protection trigger condition; performing a determination on a second safety-related event in response to the at least one privacy-related event satisfying the privacy protection trigger condition; increasing a light transmittance of at least one dimming glass sheet in response to the second safety-related event satisfying a safety protection trigger condition; and decreasing a light transmittance of at least one dimming glass sheet in response to the second safety-related event failing to satisfy the safety protection trigger condition.
18. The method of any one of claims 9 to 13, wherein the determining a light transmittance adjustment information of the dimming glass sheet of the vehicle according to the determined dimming mode comprises: performing a determination on a first safety-related event according to the determined third dimming mode; and increasing a light transmittance of at least one dimming glass sheet in response to the first safety-related event satisfying a safety protection trigger condition.
19. The method of claim 15 or 17, wherein the first safety-related event comprises vehicle turning or lane changing, the second safety-related event comprises a vehicle speed exceeding a speed threshold, and the at least one privacy-related event comprises another vehicle being present at a periphery of the vehicle.
20. The method of claim 19, wherein the first safety-related event satisfying the safety protection trigger condition comprises: the vehicle turning or changing lanes; and/or the second safety-related event satisfying the safety protection trigger condition comprises: the vehicle speed of the vehicle exceeding a preset speed threshold; and/or the at least one privacy-related event satisfying the privacy protection trigger condition comprises: another vehicle is present at a periphery of the vehicle.

Description

TECHNICAL FIELD The present disclosure relates to the field of controllable dimming technologies, and in particular, to a dimming glass system for a vehicle and a method for controlling the same. BACKGROUND Dimming glass, also referred to as frosted glass, electrically controlled glass, or smart dimming glass, is capable of changing its light transmittance by adjusting an input electrical signal. With the advancement of technology, dimming glass has been increasingly applied in various fields such as automobiles, trains, and building curtain walls. Dimming glass may switch its light transmittance, i.e., transparency, in response to environmental changes. Adaptively adjusting the transparency of dimming glass according to environmental conditions or user demands has become a continuous focus of research and development. The above information disclosed in this section is merely for the understanding of the background of technical concepts of the present disclosure. Therefore, the above information may contain information that does not constitute a related art. SUMMARY In an aspect, a method for controlling a dimming glass system for a vehicle is provided, where the dimming glass system includes a dimming glass sheet mounted on the vehicle, the method including: acquiring a vehicle driving mode selected by a user from preset m vehicle driving modes, where m is a positive integer greater than or equal to 2; determining, according to a mapping relationship between vehicle driving modes and dimming modes, a dimming mode corresponding to the vehicle driving mode selected by the user, where the mapping relationship between the vehicle driving modes and the dimming modes includes a mapping relationship between the preset m vehicle driving modes and n dimming modes, where n is a positive integer greater than or equal to 2; and controlling the dimming glass system of the vehicle according to the dimming mode. According to some exemplary embodiments, each of the n dimming modes has a respective fixed light transmittance or a respective fixed light transmittance ranges; and the controlling the dimming glass system of the vehicle according to the dimming mode includes: controlling the dimming glass system of the vehicle according to the fixed light transmittance or the fixed light transmittance range of the dimming mode. According to some exemplary embodiments, the m vehicle driving modes include a first vehicle driving mode, the n dimming modes include a first dimming mode, and the mapping relationship between the vehicle driving modes and the dimming modes includes a mapping relationship between the first vehicle driving mode and the first dimming mode; the m vehicle driving modes further include a second driving mode, the n dimming modes further include a second dimming mode, and the mapping relationship between the vehicle driving modes and the dimming modes further includes a mapping relationship between the second vehicle driving mode and the second dimming mode; and a light transmittance or a light transmittance range in the first dimming mode is higher than that in the second dimming mode. According to some exemplary embodiments, the m vehicle driving modes further include a third driving mode, the n dimming modes further include a third dimming mode, and the mapping relationship between the vehicle driving modes and the dimming modes further includes a mapping relationship between the third vehicle driving mode and the third dimming mode; and a light transmittance or a light transmittance range in the third dimming mode lies between that in the first dimming mode and that in the second dimming mode. According to some exemplary embodiments, the method further includes: acquiring an occupant distribution inside the vehicle; and determining, according to the occupant distribution inside the vehicle, a dimming glass sheet that requires a light transmittance adjustment. According to some exemplary embodiments, the method further includes: controlling a front passenger seat to move backward in response to the vehicle turning toward a side where the front passenger seat is located. According to some exemplary embodiments, the method further includes: detecting at least one of a safety-related event and a privacy-related event of the vehicle; where the controlling the dimming glass system of the vehicle according to the dimming mode includes: determining a light transmittance adjustment information of the dimming glass sheet of the vehicle according to the dimming mode selected by the user and the detected at least one event; and adjusting a light transmittance of the dimming glass sheet according to the light transmittance adjustment information. According to some exemplary embodiments, in at least two of the n dimming modes, a priority of the safety-related event is different from a priority of the privacy-related event. According to some exemplary embodiments, the m vehicle driving modes include a first vehicle drivi