CN111016595A - Light-adjusting windshield and automobile - Google Patents
Light-adjusting windshield and automobile Download PDFInfo
- Publication number
- CN111016595A CN111016595A CN201911301385.4A CN201911301385A CN111016595A CN 111016595 A CN111016595 A CN 111016595A CN 201911301385 A CN201911301385 A CN 201911301385A CN 111016595 A CN111016595 A CN 111016595A
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- ito conductive
- conductive layer
- light
- dimming
- windshield
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- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims description 33
- 229920002799 BoPET Polymers 0.000 claims description 17
- 238000002834 transmittance Methods 0.000 abstract description 9
- 230000000007 visual effect Effects 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
-
- 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
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/02—Windows; Windscreens; Accessories therefor arranged at the vehicle front, e.g. structure of the glazing, mounting of the glazing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention relates to a dimming windshield and an automobile, wherein the dimming windshield comprises: a light adjustment unit that is positioned on a windshield of a vehicle and that can adjust the light transmittance of the windshield; a control unit; the detection unit is used for detecting the outside light intensity information and sending the outside light intensity information to the control unit, and the control unit is used for controlling the transmissivity of the light adjusting part according to the outside light intensity information. According to the scheme provided by the application, the control unit controls the transmissivity of the light adjusting part, so that the transparency of the light adjusting part is lightened, and the whole visual field of the front windshield is ensured; the control unit is further used for controlling the transmissivity of the dimming part, so that the transparency of the dimming part is darkened, exposure to front-row passengers in a burning sun environment can be avoided, and great comfort is brought to people.
Description
Technical Field
The invention relates to the technical field of glass, in particular to a dimming windshield and an automobile.
Background
In the production of automobiles, in order to obtain a wider riding field for drivers and front passengers, the area of a front windshield is generally made large, but such a windshield also has a negative effect, for example, the front passengers are exposed to the sun in a sunny day.
In order to avoid exposure of front passengers to the sun during sunny days, the current practice is to add a translucent coating to the upper end of the windshield (the area of illegal vision) which, while serving to block the sun, reduces the riding field of vision for the driver and the front passengers.
Disclosure of Invention
Therefore, it is necessary to provide a light-adjusting windshield and an automobile, which are aimed at the problem that a common front windshield has no wide view field and cannot have better comfort in burning sun.
A privacy adjustable windshield, the windshield comprising a first glass layer and a second glass layer, comprising:
the light adjusting part is positioned on a windshield of a vehicle and comprises a light adjusting film, a first ITO conductive layer and a second ITO conductive layer, wherein the light adjusting film is arranged between the first ITO conductive layer and the second ITO conductive layer, and the first ITO conductive layer and the second ITO conductive layer are arranged between a first glass layer and a second glass layer;
the first ITO conductive layer and the second ITO conductive layer are respectively connected with the control unit;
the detection unit is used for detecting outside light intensity information and sending the outside light intensity information to the control unit, and the control unit is used for controlling the transmissivity of the light adjusting film according to the outside light intensity information.
The light-adjusting windshield glass controls the transmissivity of the light-adjusting part through the control unit, so that the transparency of the light-adjusting part is lightened, and the whole visual field of the front windshield glass is ensured; the control unit is further used for controlling the transmissivity of the dimming part, so that the transparency of the dimming part is darkened, exposure to front-row passengers in a burning sun environment can be avoided, and great comfort is brought to people.
In one embodiment, the light conditioning portion further comprises a first PVB film disposed between the first ITO conductive layer and the first glass layer and a second PVB film disposed between the second ITO conductive layer and the second glass layer.
In one embodiment, the light-adjusting part further includes a first PET film disposed between the first ITO conductive layer and a first PVB film, and a second PET film disposed between the second ITO conductive layer and a second PVB film.
In one embodiment, the thicknesses of the first glass layer and the second glass layer are both 1.6 mm-2.0 mm, the thickness of the light modulation film is 0.2 mm-0.3 mm, the thicknesses of the first PET film and the second PET film are both 0.25mm-0.56mm, and the thicknesses of the first PVB film and the second PVB film are both 0.38mm-0.76 mm.
In one embodiment, the control unit comprises an ECU controller connected to the first and second ITO conductive layers, respectively.
In one embodiment, the detection unit comprises a light-sensitive sensor disposed on an outer side of the windshield, the light-sensitive sensor being electrically connected to the ECU controller.
In one embodiment, the device further comprises a power supply unit, and the power supply unit is electrically connected with the photosensitive sensor.
In one embodiment, the power supply unit comprises a storage battery, the storage battery is electrically connected with the photosensitive sensor, and the voltage source voltage of the storage battery is 12V.
In one embodiment, the vehicle further comprises a perspective part, wherein the perspective part is positioned on a windshield of the vehicle, and the perspective part is arranged below the light adjusting part.
The invention also provides an automobile comprising a windscreen according to any one of the preceding description of embodiments of the application, said windscreen being mounted on a window of said automobile.
Drawings
FIG. 1 is a schematic view of a light-adjusting windshield according to an embodiment of the present invention;
FIG. 2 is a schematic view of the FIG. 1 light adjustable windshield application;
fig. 3 is a schematic diagram of the dimming portion in fig. 1.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, in an embodiment of the present invention, a light-adjusting windshield is provided, which includes a light-adjusting portion 10, a control unit and a detection unit 30, wherein the light-adjusting portion 10 is located on a windshield of a vehicle and can adjust a transmittance of light of the windshield, the detection unit 30 is configured to detect ambient light intensity information and send the ambient light intensity information to the control unit, and the control unit is configured to control the transmittance of the light-adjusting portion 10 according to the ambient light intensity information.
Specifically, as shown in fig. 1 and 3, the light control portion 10 in the present embodiment includes a light control film 101, a first ITO conductive layer 102, and a second ITO conductive layer 103, the light control film 101 is disposed between the first ITO conductive layer 102 and the second ITO conductive layer 103, the first ITO conductive layer 102 and the second ITO conductive layer 103 are respectively connected to a control unit, the windshield includes a first glass layer and a second glass layer, and the first ITO conductive layer 102 and the second ITO conductive layer 103 are disposed between the first glass layer and the second glass layer. The control unit comprises an ECU controller, for example a controller of type MAM-100, which is connected to the first and second ITO conductive layers 102 and 103, respectively. The detection unit 30 comprises a light sensitive sensor, such as the sensor model LS07-a Φ 3, which is arranged on the outside of the windshield and is electrically connected to the ECU controller.
As shown in fig. 2, when the vehicle is not started, the light adjusting portion 10 is not energized, and thus does not transmit light, so that the appearance has a dark color. When the vehicle is started, the photosensitive sensor is switched on, the photosensitive sensor automatically senses the intensity of external light and sends light intensity information to the ECU controller, and the ECU controller adjusts the voltage values of the first ITO conductive layer 102 and the second ITO conductive layer 103 according to the light intensity information, so that the transparency of the light adjusting film 101 is changed, and further the light transmittance of the light adjusting part 10 is changed.
For example, after a vehicle is started, when a light intensity signal detected by a photosensitive sensor is 1000lm-1500lm, the ECU controller controls the voltage input to the first ITO conductive layer 102 and the second ITO conductive layer 103 to be 10-15V, and the light transmittance of the light adjusting part is 80% -95%; when the light intensity signal detected by the photosensitive sensor is 1500lm-2000lm, the ECU controller controls the voltage input to the first ITO conductive layer 102 and the second ITO conductive layer 103 to be 6-10V, and the light transmittance of the light adjusting part is 65% -80% at the moment; when the light intensity signal detected by the photosensitive sensor is 2000lm-2500lm, the ECU controller controls the voltage input to the first ITO conductive layer 102 and the second ITO conductive layer 103 to be 2-6V, and the light transmittance of the light adjusting part is 40% -60%; when the light intensity signal detected by the photosensitive sensor is 2500lm-3000lm, the ECU controller controls the voltage input to the first ITO conductive layer 102 and the second ITO conductive layer 103 to be 1-2V, and the light transmittance of the light adjusting part is 20% -40%; when the light intensity signal detected by the photosensitive sensor is more than 3000lm, the ECU controller controls the voltage input to the first ITO conductive layer 102 and the second ITO conductive layer 103 to be between 0 and 1V, and the light transmittance of the light adjusting part is between 0 and 20 percent.
It should be noted that the ECU controller and the light-sensitive sensor in the embodiment of the present application are only examples, and in other alternatives, other types of components, such as the MAM-260A controller and the HN3528 light-sensitive sensor, may also be used. The application does not make special restrictions to the kind of ECU controller and photosensitive inductor, as long as above-mentioned original paper can realize the purpose of this application alright.
In some embodiments, in order to provide safety, thermal insulation, noise control, etc. to the windshield as a whole, the present invention further provides a first PVB film 106 and a second PVB film 107, wherein the first PVB film 106 is disposed between the first ITO conductive layer 102 and the first glass layer, and the second PVB film 107 is disposed between the second ITO conductive layer 103 and the second glass layer.
In some embodiments, in order to provide the windshield with high temperature resistance as a whole, the present invention is further provided with a first PET film 104 and a second PET film 105, wherein the first PET film 104 is disposed between the first ITO conductive layer 102 and the first PVB film 106, and the second PET film 105 is disposed between the second ITO conductive layer 103 and the second PVB film 107.
In some embodiments, in order to ensure the thickness of the entire windshield, the thicknesses of the first glass layer and the second glass layer in the present invention are both 1.6 mm to 2.0 mm, the thickness of the light modulation film 101 is 0.2 mm to 0.3 mm, the thicknesses of the first PET film 104 and the second PET film 105 are both 0.25mm to 0.56mm, and the thicknesses of the first PVB film 106 and the second PVB film 107 are both 0.38mm to 0.76 mm.
Preferably, the thicknesses of the first glass layer and the second glass layer are both 1.8 mm, the thickness of the light modulation film 101 is 0.25mm, the thicknesses of the first PET film 104 and the second PET film 105 are both 0.36mm, and the thicknesses of the first PVB film 106 and the second PVB film 107 are both 0.55 mm.
In some embodiments, the light sensor further comprises a power supply unit, and the power supply unit is electrically connected with the light sensor. In particular, the power supply unit may be an on-board power supply or a battery.
In some embodiments, a see-through portion 20 is further included, the see-through portion 20 is also located on the windshield of the vehicle, and the see-through portion 20 is disposed below the dimming portion 10. Specifically, the glass in the region of the see-through portion 20 includes a first glass layer, a second glass layer, and a PVB film, wherein the PVB film is disposed between the first glass layer and the second glass layer, and the transparency strength of the see-through portion 20 is unchanged.
The invention also provides an automobile comprising a windscreen according to any one of the embodiments described herein, wherein the windscreen is mounted on a window of the automobile.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A privacy windshield comprising a first glass layer and a second glass layer, comprising:
the light adjusting part (10) is located on a windshield of a vehicle, the light adjusting part (10) comprises a light adjusting film (101), a first ITO conductive layer (102) and a second ITO conductive layer (103), the light adjusting film (101) is arranged between the first ITO conductive layer (102) and the second ITO conductive layer (103), and the first ITO conductive layer (102) and the second ITO conductive layer (103) are arranged between a first glass layer and a second glass layer;
the first ITO conductive layer (102) and the second ITO conductive layer (103) are respectively connected with the control unit;
the detection unit (30), the detection unit (30) are used for detecting external light intensity information, and will external light intensity information sends the control unit, the control unit is used for controlling the transmissivity of the light adjusting film (101) according to the external light intensity information.
2. A dimming windscreen according to claim 1, wherein the dimming portion (10) further comprises a first PVB film (106) and a second PVB film (107), the first PVB film (106) being disposed between the first ITO conductive layer (102) and the first glass layer, and the second PVB film (107) being disposed between the second ITO conductive layer (103) and the second glass layer.
3. The dimming windshield according to claim 2, wherein the dimming portion (10) further comprises a first PET film (104) and a second PET film (105), the first PET film (104) being disposed between the first ITO conductive layer (102) and a first PVB film (106), the second PET film (105) being disposed between the second ITO conductive layer (103) and a second PVB film (107).
4. A dimming windshield according to claim 3, wherein the first and second glass layers each have a thickness of 1.6 mm to 2.0 mm, the dimming film (101) has a thickness of 0.2 mm to 0.3 mm, the first and second PET films (104, 105) each have a thickness of 0.25mm to 0.56mm, and the first and second PVB films (106, 107) each have a thickness of 0.38mm to 0.76 mm.
5. A dimmed windscreen according to claim 1, wherein the control unit comprises an ECU-controller connected to the first and second ITO conductive layers (102, 103), respectively.
6. A dimmed windscreen according to claim 5, wherein the detection unit (30) comprises a light-sensitive sensor arranged on the outside of the windscreen, the light-sensitive sensor being electrically connected to the ECU controller.
7. The dimming windshield of claim 6, further comprising a power supply unit electrically connected to the light sensitive sensor.
8. A dimming windscreen according to claim 7 wherein said power supply unit comprises a battery, said battery being electrically connected to said light sensitive sensor and said battery having a voltage source voltage of 12V.
9. A dimming windscreen according to any of claims 1-8, further comprising a see-through part (20), wherein the see-through part (20) is located on the windscreen of the vehicle, and wherein the see-through part (20) is arranged below the dimming part (10).
10. A motor vehicle, characterized by comprising a windscreen according to any one of claims 1 to 9 mounted on a window of said motor vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301385.4A CN111016595A (en) | 2019-12-17 | 2019-12-17 | Light-adjusting windshield and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301385.4A CN111016595A (en) | 2019-12-17 | 2019-12-17 | Light-adjusting windshield and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111016595A true CN111016595A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911301385.4A Pending CN111016595A (en) | 2019-12-17 | 2019-12-17 | Light-adjusting windshield and automobile |
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| Country | Link |
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| CN (1) | CN111016595A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660774A (en) * | 2020-06-18 | 2020-09-15 | 京东方科技集团股份有限公司 | Motor vehicle auxiliary device, motor vehicle and use method of auxiliary device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205615320U (en) * | 2016-05-13 | 2016-10-05 | 常熟理工学院 | Shield glass of self -adaptation environment luminous flux |
| CN108394149A (en) * | 2018-04-28 | 2018-08-14 | 四川大硅特玻科技有限公司 | A kind of composite intelligent dimming glass |
| CN208914942U (en) * | 2018-10-17 | 2019-05-31 | 上海汽车集团股份有限公司 | A kind of windshield glass and automobile |
| CN211869119U (en) * | 2019-12-17 | 2020-11-06 | 广汽蔚来新能源汽车科技有限公司 | Light-adjusting windshield and automobile |
-
2019
- 2019-12-17 CN CN201911301385.4A patent/CN111016595A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205615320U (en) * | 2016-05-13 | 2016-10-05 | 常熟理工学院 | Shield glass of self -adaptation environment luminous flux |
| CN108394149A (en) * | 2018-04-28 | 2018-08-14 | 四川大硅特玻科技有限公司 | A kind of composite intelligent dimming glass |
| CN208914942U (en) * | 2018-10-17 | 2019-05-31 | 上海汽车集团股份有限公司 | A kind of windshield glass and automobile |
| CN211869119U (en) * | 2019-12-17 | 2020-11-06 | 广汽蔚来新能源汽车科技有限公司 | Light-adjusting windshield and automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660774A (en) * | 2020-06-18 | 2020-09-15 | 京东方科技集团股份有限公司 | Motor vehicle auxiliary device, motor vehicle and use method of auxiliary device |
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Address after: 511458 room 1201, No. 37, Jinlong, Nansha street, Xiangjiang financial and business center, Nansha District, Guangzhou City, Guangdong Province (office only) Applicant after: Hechuang Automotive Technology Co.,Ltd. Address before: 511458 room 1201, No. 37, Jinlong, Nansha street, Xiangjiang financial and business center, Nansha District, Guangzhou City, Guangdong Province (office only) Applicant before: Hechuang Smart Technology Co.,Ltd. Address after: 511458 room 1201, No. 37, Jinlong, Nansha street, Xiangjiang financial and business center, Nansha District, Guangzhou City, Guangdong Province (office only) Applicant after: Hechuang Smart Technology Co.,Ltd. Address before: Room 1201, No. 37, Jinsha street, Nansha street, Xiangjiang financial and business center, Nansha District, Guangzhou City, Guangdong Province Applicant before: Guangzhou Auto Weilai New Energy Automotive Technology Co.,Ltd. |