Automobile dimming skylight
By combining light intensity sensor and logic controller in the dimming sunroof in the car, the luminescent film is controlled to work when the outside light is dark, which solves the problem of strong reflection of the dimming sunroof in the dark environment, and improves the driver and passengers' Visual comfort and eliminates privacy and security risks.
Patent Information
- Application Number
- CN202420391314.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2025-02-21
- Estimated Expiration
- 2034-02-28
AI Technical Summary
In a dark environment, the dimming sunroof reflects strong light on the dark dimming sunroof, which causes visual discomfort among drivers and passengers in the car and poses privacy and security risks.
An automobile dimming sunroof is designed, including a first glass, a dimming film, a luminous film and a second glass arranged from top to bottom, and a adhesive film is provided between each layer. Through the cooperation of the light intensity sensor and the dimming film switch sensor, the logic controller controls the luminescent film to work when the external light is dark, adjusts the brightness of the light in the car, and ensures that the luminescent film image is displayed clearly.
It effectively solves the problem of strong dark reflection of dimmed glass when the outside light is dark, improves the visual comfort of drivers and passengers in the car, and eliminates privacy and security risks.
Smart Images
Figure CN222512129U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a car skylight, in particular to a car dimming skylight. Background Art
[0002] At present, when the car is in a dimming environment, such as at night, in tunnels, indoor parking lots, etc., the dimming skylight in the dark state (off or low-light transmittance state) reflects light strongly, forming a clear mirror image of the objects inside the car on the dimming skylight, causing visual discomfort to the driver and passengers in the car, and posing potential risks to privacy and safety. Utility Model Content
[0003] In view of the above problems, the utility model aims to provide a car dimming sunroof, which effectively solves the phenomenon that the dark reflection of the dimming glass strongly affects the vision when the external light is dim and the internal light is bright.
[0004] The technical solution of the utility model is a car dimming sunroof, which is characterized by comprising a first glass, a dimming film, a luminous film and a second glass arranged from top to bottom, and an adhesive film is arranged between the first glass and the dimming film, between the dimming film and the luminous film, and between the luminous film and the second glass.
[0005] Preferably, the dimming film and the luminous film are provided with a power supply module and an automatic control module respectively.
[0006] Preferably, the automatic control module includes a sensor and a logic controller, the sensor includes a light intensity sensor and a dimming film switch sensor, the dimming film switch sensor includes a sensor for sensing whether the dimming film power is on or off, and a sensor for sensing the light transmittance of the dimming film.
[0007] Preferably, the light intensity sensor detects that the external light is dim, and the dimming film switch sensor detects that the dimming film is in a dark state, and the logic controller controls the luminous film to adjust the brightness of the light inside the vehicle so that the luminous film image is displayed clearly.
[0008] Preferably, the logic controller controls the adjustment of the brightness of the light inside the vehicle, including adjusting the brightness of the light inside the vehicle and / or adjusting the light transmittance of the side window glass of the vehicle.
[0009] Preferably, the dimming film being in the dark state means that the dimming film is in the off state or the low light transmittance state, wherein the low light transmittance state means that the transmittance is less than 5%.
[0010] Preferably, the light intensity sensor detects that the external light is dim, and the dimming film switch sensor detects that the dimming film is in the on state, and the logic controller controls the luminous film not to work. The dimming film in the on state means that its transmittance is greater than 5%.
[0011] Preferably, when the light intensity sensor detects that the external light is brighter, the logic controller controls the luminous film to stop working.
[0012] Preferably, the light intensity sensor detects that the external light is dim when the external light illumination is lower than 200 lux.
[0013] Preferably, the light intensity sensor detects that the external light is dim when the external light intensity is lower than 150 lux.
[0014] Preferably, the dimming film and the luminous film are externally connected with a manually controlled working switch.
[0015] Preferably, the luminous film is a starry sky film, an LED display graphic film, an LED luminous film or a light guide plate.
[0016] Preferably, the LED light-emitting film comprises an LED light sheet and a transparent conductive film, a first electrode and a second electrode are arranged on the transparent conductive film, and the first electrode and the second electrode are externally connected to a power source.
[0017] Preferably, the dimming film is a suspended particle dimming film or an electrochromic dimming film.
[0018] Preferably, the adhesive film is selected from EVA adhesive film, TPU adhesive film or PVB adhesive film.
[0019] The utility model effectively solves the phenomenon that the dark reflection of the dimming glass strongly affects vision when the external light is dim and the internal light is bright, so that the vision of the drivers and passengers in the car is comfortable and the hidden dangers of privacy and safety can be eliminated. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a structural schematic diagram of the utility model;
[0021] Figure 2 A schematic diagram of the structure of the luminous film in the utility model;
[0022] Among them: 1 is the first glass; 2 is the dimming film; 3 is the luminous film; 31 is the LED light sheet; 32 is the transparent conductive film; 33 is the first electrode; 34 is the second electrode; 4 is the second glass; 5 is the adhesive film. DETAILED DESCRIPTION
[0023] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0024] like Figure 1As shown, the utility model provides a car dimming sunroof, including a first glass 1, a dimming film 2, a luminous film 3 and a second glass 4 arranged from top to bottom, and an adhesive film 5 is arranged between the first glass 1 and the dimming film 2, between the dimming film 2 and the luminous film 3, and between the luminous film 3 and the second glass 4, and the dimming film 2 and the luminous film 3 are correspondingly provided with a power supply module and an automatic control module.
[0025] In the above scheme, the automatic control module includes sensors and logic controllers. The sensors include light intensity sensors and dimming film switch sensors. The dimming film switch sensors include sensors for sensing the on or off of the dimming film power supply and the light transmittance of the dimming film.
[0026] In the first case, the light intensity sensor detects that the external light is dim, and the dimming film switch sensor detects that the dimming film 2 is in a dark state, and the logic controller controls the luminous film 3 to work and adjusts the brightness of the light in the car to make the luminous film image display clear.
[0027] Specifically, the logic controller controls the adjustment of the brightness of the light inside the vehicle, including adjusting the brightness of the light inside the vehicle and / or adjusting the light transmittance of the side window glass of the vehicle.
[0028] Specifically, the dimming film 2 being in the dark state means that the dimming film 2 is in the off state or the low light transmittance state, wherein the low light transmittance state means that the transmittance is less than 5%.
[0029] In the second case, the light intensity sensor detects that the external light is dim, and the dimming film switch sensor detects that the dimming film 2 is in the on state, and the logic controller controls the luminous film 3 not to work. The dimming film 2 is in the on state, which means that its transmittance is greater than 5%.
[0030] In the third case, the light intensity sensor detects that the external light is bright, the dimming film 2 automatically controls the light transmittance according to the actual situation, and the logic controller always controls the luminous film 3 not to work.
[0031] In the first case and the second case, the light intensity sensor detects that the external light is darker when the external light illumination is lower than 200 lux, and the corresponding external light is brighter when the external light illumination is higher than 200 lux.
[0032] For further sensing of light intensity, the light intensity sensor detects that the external light is darker when the external light intensity is lower than 150 lux, and the corresponding external light is brighter when the external light intensity is higher than 150 lux.
[0033] In addition, the dimming film 2 and the luminescent film 3 are externally connected with a manually controlled working switch, so that the light transmittance of the dimming film 2 and the working state of the luminescent film 3 can be manually controlled.
[0034] Specifically, the luminous film 3 is a starry sky film, an LED display graphic film, an LED luminous film or a light guide plate.
[0035] like Figure 2 As shown, the LED light-emitting film 3 includes an LED light sheet 31 and a transparent conductive film 32 , on which a first electrode 33 and a second electrode 34 are arranged, and the first electrode 33 and the second electrode 34 are externally connected to a power source.
[0036] Specifically, the dimming film 2 is a suspended particle dimming film or an electro-variable dimming film.
[0037] Furthermore, the first glass 1 faces outside the vehicle, or the second glass 4 faces outside the vehicle.
[0038] Furthermore, the first glass 1 faces outside the vehicle, that is, one side of the dimming film 2 faces outward, and one side of the luminous film 3 faces inward.
[0039] In addition, the adhesive film 5 is selected from EVA adhesive film, TPU adhesive film or PVB adhesive film.
[0040] The working logic of the dimming film 2 and the luminous film 3 under the signal transmission of the light intensity sensor and the dimming film switch sensor is as follows:
[0041]
[0042] The core point of the utility model is the combined use and logical control of the dimming film 2 and the luminous film 3, which ensures that the car sunroof can automatically adjust the operation of the dimming film 2 and the luminous film 3 when the external light changes, ensuring the visual comfort of the drivers and passengers in the car.
[0043] The above description is only a preferred implementation mode of the utility model, and does not impose any form of limitation on the utility model. Any simple modification, equivalent change or modification made to the above embodiments based on the technical principle of the utility model still falls within the scope of the technical solution of the utility model.
Claims
1. A car dimming sunroof, characterized in that: The invention comprises a first glass (1), a dimming film (2), a luminous film (3) and a second glass (4) which are arranged from top to bottom, wherein an adhesive film (5) is arranged between the first glass (1) and the dimming film (2), between the dimming film (2) and the luminous film (3), and between the luminous film (3) and the second glass (4); the dimming film (2) and the luminous film (3) are respectively provided with a power supply module and an automatic control module, wherein the automatic control module automatically adjusts the working state of the dimming film (2) and the luminous film (3) according to changes in external light; the automatic control module comprises a sensor and a logic controller, wherein the sensor comprises a light intensity sensor and a dimming film switch sensor, wherein the dimming film switch sensor comprises a sensor for sensing whether the dimming film power supply is on or off, and a sensor for sensing the light transmittance of the dimming film.
2. The automobile dimming sunroof according to claim 1, characterized in that: The light intensity sensor detects that the external light is dim, and the dimming film switch sensor detects that the dimming film (2) is in a dark state, and the logic controller controls the luminous film (3) to work and adjust the brightness of the light inside the vehicle so that the luminous film image is displayed clearly.
3. The automobile dimming sunroof according to claim 2, characterized in that: The logic controller controls and adjusts the brightness of the light inside the vehicle, including adjusting the brightness of the light inside the vehicle and / or adjusting the light transmittance of the side window glass of the vehicle.
4. The automobile dimming sunroof according to claim 2, characterized in that: The dimming film (2) being in a dark state means that the dimming film (2) is in an off state or a low light transmittance state, wherein the low light transmittance state means that the light transmittance is less than 5%.
5. The automobile dimming sunroof according to claim 1, characterized in that: The light intensity sensor detects that the external light is dim, and the dimming film switch sensor detects that the dimming film (2) is in the on state, and the logic controller controls the luminous film (3) not to work. The dimming film (2) being in the on state means that its light transmittance is greater than 5%.
6. The automobile dimming sunroof according to claim 1, characterized in that: When the light intensity sensor detects that the external light is relatively bright, the logic controller controls the luminous film (3) to stop working.
7. The automobile dimming sunroof according to claim 2 or 5, characterized in that: The light intensity sensor detects that the external light is dark, that is, the external light illumination is less than 200 lux.
8. The automobile dimming sunroof according to claim 7, characterized in that: The light intensity sensor detects that the external light is dark, that is, the external light illumination is lower than 150 lux.
9. The automobile dimming sunroof according to claim 1, characterized in that: The dimming film (2) and the luminous film (3) are externally connected to a manually controlled working switch.
10. The automobile dimming sunroof according to claim 1, characterized in that: The luminous film (3) is a starry sky film, an LED display graphic film, an LED luminous film or a light guide plate.
11. The automobile dimming sunroof according to claim 10, characterized in that: The LED light-emitting film (3) comprises an LED light sheet (31) and a transparent conductive film (32); a first electrode (33) and a second electrode (34) are provided on the transparent conductive film (32); the first electrode (33) and the second electrode (34) are externally connected to a power source.
12. The automobile dimming sunroof according to claim 1, characterized in that: The dimming film (2) is a suspended particle dimming film or an electrochromic dimming film.
13. The automobile dimming sunroof according to claim 1, characterized in that: The adhesive film (5) is selected from EVA adhesive film, TPU adhesive film or PVB adhesive film.