CN111376683A - Electrically controlled color changing glass device, method for controlling glass device and optical sensor - Google Patents
Electrically controlled color changing glass device, method for controlling glass device and optical sensor Download PDFInfo
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- CN111376683A CN111376683A CN201811615733.0A CN201811615733A CN111376683A CN 111376683 A CN111376683 A CN 111376683A CN 201811615733 A CN201811615733 A CN 201811615733A CN 111376683 A CN111376683 A CN 111376683A
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- glasses
- variable color
- degree
- light
- light transmission
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- 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
Abstract
The embodiment of the disclosure provides an electrically-controlled color-changing glass device, a method for controlling the glass device to change the light transmission degree and a sensor. The glass apparatus described herein comprises: a plurality of variable color glasses adapted to controllably vary the degree of light transmission; and a control device coupled with the plurality of variable color glasses for changing the light transmission degree of the plurality of variable color glasses by supplying voltage or current to the plurality of variable color glasses; wherein the at least one variable color glass comprises a plurality of strips adapted to be independently controlled by the control means to vary the degree of light transmission. The electrically controlled color changing glass device, the method for controlling the glass device to change the light transmission degree and the sensor described herein can adjust the light transmission degree of the glass device, thereby enabling the glass device to have functions of sun shading, sun protection, theft prevention, privacy and the like.
Description
Technical Field
Embodiments of the present disclosure relate generally to glass devices and, more particularly, to electrically controlled color changing glass devices, methods of controlling glass devices, and light sensors.
Background
The glass has light transmittance. Vehicles typically have a front windshield, a window, and a rear windshield. When the driving direction of the vehicle faces sunlight, the sunlight can stimulate the eyes of the driver, so that the driver cannot concentrate on the road condition, and traffic accidents are easily caused. In addition, in summer, if the vehicle is parked under the sunlight, the temperature in the vehicle will rise sharply, which is likely to cause a fire or the like. In addition, passengers in the vehicle sometimes desire certain privacy to avoid external disturbances.
Disclosure of Invention
The known glass device has the defects of no privacy protection or complete isolation from the outside, incapability of adjusting the sunlight transmission intensity, incapability of dynamically and automatically adjusting the sun shading angle, encumbrance, inconvenient use, poor appearance and the like.
To at least partially address the above and other potential problems, embodiments of the present disclosure provide an electrically controlled color changing glass apparatus, a method of controlling a glass apparatus, and a light sensor. As will be understood from the following description, the electrically controlled color changing glass apparatus and the method of controlling the glass apparatus described herein are capable of adjusting the degree of light transmission of the glass apparatus, thereby providing the glass apparatus with functions of shading, sun protection, burglary prevention, privacy, etc. The light sensor described herein can detect the illumination intensity and illumination angle of the external environment with a simple structure.
In a first aspect of the present disclosure, an electrically controlled color changing glass device is provided. The electrically controlled color-changing glass device comprises: a plurality of variable color glasses adapted to controllably vary the degree of light transmission; and a control device coupled with the plurality of variable color glasses for changing the light transmission degree of the plurality of variable color glasses by supplying voltage or current to the plurality of variable color glasses; wherein the at least one variable color glass comprises a plurality of strips adapted to be independently controlled by the control means to vary the degree of light transmission.
According to the embodiment of the disclosure, the light transmission degree of the color-changeable glass can be controllably adjusted, so that the glass device has the functions of shading sun, preventing insolation, preventing burglary, keeping private and the like. In addition, the color of the color-changeable glass is controlled in a strip-by-strip manner, so that the glass device has a sun-shading function and can meet the necessary perspective requirement of a user.
In some embodiments, the control device includes an electronic control unit for automatically controlling the plurality of variable color glasses to vary the degree of light transmission. Therefore, the light transmission degree of the glass device can be automatically adjusted, and the automation degree of the glass device is improved.
In some embodiments, the control device further comprises a light sensor coupled to the electronic control unit for detecting a signal relating to at least one of an illumination intensity and an illumination angle of the external environment and for communicating the detected signal to the electronic control unit. In such an embodiment, the sensor is used for detecting the external illumination intensity and illumination angle, so that the light transmission degree of the glass device can be adjusted in real time, and the adaptability of the glass device is stronger.
In some embodiments, the control device includes an operating portion for varying the degree of light transmission of the plurality of variable color glasses. Therefore, the user can manually and randomly adjust the light transmission degree of the glass device, so that the glass device can be adjusted more flexibly.
In some embodiments, the plurality of variable color glasses comprises automotive glazings. In such an embodiment, the light transmission degree of the window glass of the automobile can be adjusted, so that the window glass has the functions of shading sun, preventing insolation, preventing burglary, keeping private and the like.
In some embodiments, the variable color glass comprising a plurality of strips comprises an automotive front windshield. Therefore, the light transmission degree of the automobile front windshield can be adjusted in different regions, so that the automobile front windshield can shade the sun and does not obstruct the driving sight of a driver.
In a second aspect of the disclosure, a method of controlling a glass apparatus is provided. The method comprises the following steps: inputting a control signal for changing the plurality of variable color glasses to a control device; the control device responds to the input control signal to provide voltage or current to the plurality of variable color glasses; and the plurality of variable color glasses change the degree of light transmission in response to a voltage or a current, and at least one of the plurality of variable color glasses changes the degree of light transmission in response to the voltage or the current in stripes.
According to the embodiment of the disclosure, the light transmission degree of the color-changeable glass can be controlled, so that the glass device has the functions of shading sun, preventing insolation, preventing burglary, keeping private and the like. In addition, the color of the color-changeable glass is controlled in a strip-by-strip manner, so that the glass device has a sun-shading function and can meet the necessary perspective requirement of a user.
In some embodiments, the light sensor detects signals about the illumination intensity and the illumination angle of the external environment, and transmits the detected illumination intensity and illumination angle signals to the control device; and the control device responds to the illumination intensity and the illumination angle signal to provide voltage or current for the plurality of variable color glasses. Therefore, the light transmission degree of the glass device can be automatically adjusted, and the automation degree of the glass device adjustment is improved.
In some embodiments, the control device provides a voltage or a current to the plurality of variable color glasses through the operating portion. Thus, the light transmission degree of the glass device can be more flexibly controlled.
In some embodiments, for varying the degree of light transmission of a window pane of an automobile. Therefore, the light transmission degree of the automobile glass can be controlled, so that the automobile glass has the functions of sun shading, sun exposure prevention, burglary prevention, privacy and the like, and the necessary perspective requirement of a driver or a passenger can be met while the automobile glass has the sun shading function.
In a third aspect of the present disclosure, a light sensor is provided. The light sensor comprises a first photoelectric part, a second photoelectric part and a control part, wherein the first photoelectric part is used for sensing the intensity of illumination to generate an illumination intensity signal; at least two second photoelectric parts, wherein the second photoelectric parts comprise light receiving parts which generate voltage by illumination; and a shielding portion adapted to shield the light irradiated to the light receiving portion according to an angle of light irradiation, the photosensor generating an illumination angle signal by a voltage ratio between voltages generated by the light receiving portions of the different second photoelectric portions.
According to the embodiment of the disclosure, the illumination intensity and the illumination angle of the external environment can be detected simultaneously only by the three photoelectric elements, so that the structure of the light sensor is simpler.
In some embodiments, the first and second photovoltaic portions comprise photodiodes. In such an embodiment, the photodiode has stable performance and low cost, thereby improving the stability of the photosensor and reducing the manufacturing cost of the photosensor.
In some embodiments, at least two second photovoltaic portions are arranged side by side. Therefore, the signal of the illumination angle can be obtained more conveniently, and the measurement precision of the illumination angle of the optical sensor can be improved.
Further features of the present disclosure will become apparent from the following description of exemplary embodiments with reference to the attached drawings. It should be understood that this summary is not intended to identify key or critical features of the embodiments of the disclosure, nor is it intended to be used to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following description.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present disclosure.
FIG. 1 shows a schematic view of the overall composition of a glass apparatus according to the present disclosure;
FIG. 2 shows a schematic view of a ribbon configuration of variable color glass according to the present disclosure;
FIG. 3 shows a schematic structural diagram of a light sensor according to the present disclosure; and
FIG. 4 illustrates a schematic diagram of a light sensor detecting illumination angles according to the present disclosure.
The same or similar reference numbers will be used throughout the drawings to refer to the same or like elements.
Detailed Description
The present disclosure will now be described with reference to several example embodiments. It should be understood that these examples are described only for the purpose of enabling those skilled in the art to better understand and thereby enable the present disclosure, and are not intended to set forth any limitations on the scope of the technical solutions of the present disclosure.
As used herein, the term "include" and its variants are to be read as open-ended terms meaning "including, but not limited to. The term "based on" will be read as "based at least in part on". The terms "one embodiment" and "an embodiment" should be understood as "at least one embodiment". The term "another embodiment" should be understood as "at least one other embodiment". The terms "first," "second," and the like may refer to different or the same object. Other explicit and implicit definitions may be included below. The definitions of the terms are consistent throughout the specification unless the context clearly dictates otherwise.
Known means of controlling light transmitted through the window glass include one or more of a transmittance > 70% front window glass, a low transmittance rear door privacy glass, a one-way privacy glass, a transmittance non-adjustable roof glass, a reversible sun visor, a side window shade, front and rear window shades, and a glass film.
The known means for controlling the light rays penetrating through the window glass have the problems of no privacy protection or complete isolation from the outside, incapability of adjusting the transmission intensity of sunlight, incapability of dynamically and automatically adjusting the sun-shading angle, encumbrance, inconvenience in use, poor appearance and the like.
Embodiments of the present disclosure provide an electrically controlled color changing glass device 100. As shown in fig. 1, the glass apparatus 100 includes a plurality of variable color glasses 1 and a control device 2. The plurality of variable color glasses 1 is adapted to controllably vary the degree of light transmission. The control device 2 is coupled with the plurality of variable color glasses 1 and is used for changing the light transmission degree of the plurality of variable color glasses 1 by supplying voltage or current to the plurality of variable color glasses 1. As shown in fig. 2, the at least one color-changeable glass 1 comprises a plurality of strips 111, the plurality of strips 111 being adapted to be independently controlled by the control device 2 to vary the degree of light transmission in such an embodiment, the degree of light transmission of the color-changeable glass 1 can be controllably adjusted, thereby providing the glass device 100 with functions of sun-shading, sun-screening, theft-protection, privacy, etc. Further, the color of the variable color glass 1 is controlled in the band 111, so that the glass device 100 can satisfy the user's necessary see-through requirement while having a sunshade function.
Embodiments of the present disclosure also provide methods of controlling the glass apparatus 100. The method comprises the following steps: inputting a control signal for changing the plurality of variable color glasses 1 to the control device 2; the control device 2 supplies voltage or current to the plurality of variable color glasses 1 in response to the inputted control signal; and the plurality of variable color glasses 1 change the degree of light transmission in response to the voltage or current, and at least one variable color glass segment strip 111 of the plurality of variable color glasses 1 changes the degree of light transmission in response to the voltage or current.
In such an embodiment, the glass apparatus 100 can also be made to have the above-described effects.
In some embodiments, the plurality of variable color glasses 1 may include a window glass of an automobile, so that the degree of light transmission of the window glass of the automobile may be changed. In such an embodiment, the light transmission degree of the window glass of the automobile can be adjusted, so that the window glass has the functions of shading sun, preventing insolation, preventing burglary, keeping private and the like. It should be understood, however, that the variable color glass 1 is not limited to a window glass of an automobile, and may be used in any other glass device 100 requiring adjustment of the degree of light transmission.
In some embodiments, the variable color glass 1 comprising a plurality of strips 111 may comprise an automotive front windshield 11. Therefore, the light transmission degree of the automobile front windshield 11 can be adjusted in different regions, so that the automobile front windshield 11 can shade the sun and does not obstruct the driving sight of a driver. However, it should be understood that the color-changeable glass 1 is not limited to the stripe 111 control, and may be controlled in other manners such as a block control.
In some embodiments, the control device 2 may comprise an electronic control unit 21 for automatically controlling the plurality of variable color glasses 1 to vary the degree of light transmission. Thus, the degree of transmission of the glass device 100 can be automatically adjusted, and the degree of automation of the glass device 100 is improved.
In some embodiments, the control device 2 may also include a light sensor 22. The light sensor 22 may be coupled to the electronic control unit 21. The light sensor 22 is configured to detect a signal regarding at least one of the light intensity and the light angle of the external environment, and to transmit the detected signal to the electronic control unit 21. The light sensor 22 detects signals regarding the light intensity and the light angle of the external environment, and transmits the detected light intensity and light angle signals to the control device 2. The control device 2 supplies a voltage or a current to the variable color glass 1 in response to the illumination intensity and the illumination angle signal. In such an embodiment, the sensor 22 is used to detect the illumination intensity and the illumination angle of the outside, so that the light transmittance of the glass apparatus 100 can be adjusted in real time, and the glass apparatus 100 is more adaptable.
In some embodiments, the light sensor 22 may detect the illumination intensity and illumination angle of sunlight. It should be understood, however, that the light sensor 22 is not limited to detecting sunlight, but may also detect light from other light sources, such as the light of a vehicle lamp.
In some embodiments, the control device 2 may include an operating portion 3 for changing the degree of light transmission of the plurality of variable color glasses 1. The control device 2 supplies a voltage or a current to the plurality of variable color glasses 1 through the operation unit 3. Therefore, the user can manually and optionally adjust the light transmission degree of the glass device 100, so that the adjustment of the glass device 100 is more flexible. In some examples, the operation portion 3 may be an operation button. It should be understood, however, that the form of the operation portion 3 is not limited to the operation button, and may be other forms such as a toggle switch or the like.
Embodiments of the present disclosure also provide an optical sensor 22. As shown in fig. 3, the light sensor 22 includes a first photoelectric portion 221, at least two second photoelectric portions 222, and a blocking portion 223. The first photoelectric part 221 is used for sensing the intensity of the illumination to generate an illumination intensity signal. Second photovoltaic portion 222 includes light-receiving portion 224. As shown in fig. 4, light receiving section 224 receives light and generates a voltage. The shielding portion 223 shields the light irradiated to the light receiving portion 224 according to the angle of light irradiation. The photosensor 22 generates an illumination angle signal by a voltage ratio between voltages generated by the light receiving portions 224 of the different second photoelectric portions 222.
In such an embodiment, the light intensity and the light angle of the external environment can be detected simultaneously by only three photoelectric parts, so that the structure of the light sensor 22 is simpler.
In some embodiments, the first and second photoelectric parts 221 and 222 may include photodiodes. The photodiode has stable performance and low cost, thereby improving the stability of the photosensor 22 and reducing the manufacturing cost of the photosensor 22.
In some embodiments, at least two second photovoltaic portions 222 may be arranged side by side. This makes it possible to obtain the signal of the illumination angle more easily, and the measurement accuracy of the illumination angle by the light sensor 22 can be improved.
It is to be understood that all numbers of the present disclosure are exemplary and may be adjusted according to specific application requirements.
It is to be understood that the above detailed embodiments of the disclosure are merely illustrative of or explaining the principles of the disclosure and are not limiting of the disclosure. Therefore, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Also, it is intended that the following claims cover all such changes and modifications that fall within the scope and boundaries of the claims or the equivalents of the scope and boundaries.
Claims (13)
1. An electrically controlled color changing glass unit (100) comprising:
a plurality of variable color glasses (1) adapted to controllably vary the degree of light transmission; and
the control device (2) is coupled with the plurality of color-changeable glasses (1) and is used for changing the light transmission degree of the plurality of color-changeable glasses (1) by providing voltage or current to the plurality of color-changeable glasses (1);
wherein at least one of the variable color glasses (1) comprises a plurality of strips (111), the plurality of strips (111) being adapted to be independently controlled by the control device (2) to vary the degree of light transmission.
2. Glass unit (100) according to claim 1, characterised in that the control device (2) comprises an electronic control unit (21) for automatically controlling the plurality of variable colour glasses (1) to vary the degree of light transmission.
3. Glass unit (100) according to claim 2, characterized in that the control device (2) further comprises a light sensor (22) coupled to the electronic control unit (21) for detecting a signal relating to at least one of the illumination intensity and the illumination angle of the external environment and for transferring the detected signal to the electronic control unit (21).
4. Glass unit (100) according to claim 1, characterised in that the control device (2) comprises an operating portion (3) for varying the degree of light transmission of the plurality of variable colour glasses (1).
5. Glass unit (100) according to claim 1, characterized in that said plurality of variable colour glasses (1) comprises the windows of a car.
6. Glass unit (100) according to claim 1, characterized in that the variable color glass (1) comprising the plurality of strips (111) comprises a front windscreen (11) of an automobile.
7. A method of controlling a glass unit (100), the glass unit (100) comprising a plurality of variable color glasses (1) and a control unit (2), the method comprising:
inputting a control signal for changing the plurality of variable color glasses (1) to the control device (2);
the control device (2) provides voltage or current to the plurality of variable color glasses (1) in response to the input control signal; and
the plurality of variable color glasses (1) change the degree of light transmission in response to the voltage or the current, and at least one of the variable color glasses (1) among the plurality of variable color glasses (1) changes the degree of light transmission in response to the voltage or the current in stripes (111).
8. The method of claim 7, comprising:
detecting signals related to the illumination intensity and the illumination angle of the external environment through a light sensor (22), and transmitting the detected illumination intensity and illumination angle signals to the control device (2); and
the control device (2) provides the voltage or the current to the plurality of variable color glasses (1) in response to the illumination intensity and illumination angle signals.
9. The method according to claim 7, wherein the control device (2) supplies a voltage or a current to the plurality of variable color glasses (1) through an operation portion (3).
10. A method according to claim 7, wherein the method is used to vary the degree of light transmission of a glazing of an automobile.
11. A light sensor (22) for use in the method of claim 8, the light sensor (22) comprising:
a first photovoltaic portion (221) for sensing an intensity of illumination to generate an illumination intensity signal;
at least two second photoelectric units (222), wherein each second photoelectric unit (222) comprises a light receiving part (224) which generates voltage by being irradiated by light; and
and a shielding section (223) adapted to shield the light irradiated to the light receiving section (224) according to an angle of light irradiation, wherein the photosensor (22) generates an irradiation angle signal by a voltage ratio between voltages generated by the light receiving section (224) of the second photoelectric section (222).
12. The light sensor (22) of claim 11, wherein the first photovoltaic portion (221) and the second photovoltaic portion (222) comprise photodiodes.
13. The light sensor (22) of claim 11, wherein the at least two second photovoltaic portions (222) are arranged side-by-side.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615733.0A CN111376683A (en) | 2018-12-27 | 2018-12-27 | Electrically controlled color changing glass device, method for controlling glass device and optical sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615733.0A CN111376683A (en) | 2018-12-27 | 2018-12-27 | Electrically controlled color changing glass device, method for controlling glass device and optical sensor |
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| CN111376683A true CN111376683A (en) | 2020-07-07 |
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| CN201811615733.0A Pending CN111376683A (en) | 2018-12-27 | 2018-12-27 | Electrically controlled color changing glass device, method for controlling glass device and optical sensor |
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Application publication date: 20200707 |