CN117539100A - Method and system for controlling interior color of vehicle - Google Patents
Method and system for controlling interior color of vehicle Download PDFInfo
- Publication number
- CN117539100A CN117539100A CN202311616976.7A CN202311616976A CN117539100A CN 117539100 A CN117539100 A CN 117539100A CN 202311616976 A CN202311616976 A CN 202311616976A CN 117539100 A CN117539100 A CN 117539100A
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- Prior art keywords
- illumination intensity
- vehicle
- electrochromic element
- brightness
- interior color
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005286 illumination Methods 0.000 claims abstract description 74
- 230000007423 decrease Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 150000002500 ions Chemical class 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 2
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 description 1
- 229910001488 sodium perchlorate Inorganic materials 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- G02F1/15—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 an electrochromic effect
- G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Abstract
The invention relates to an interior color control method for a vehicle, wherein the interior color control method at least comprises the following steps: s1: detecting an illumination intensity outside the vehicle; s2: when the illumination intensity increases beyond a preset first illumination intensity threshold, changing a voltage applied to an electrochromic element to increase the brightness of the electrochromic element, the electrochromic element being applied to at least part of an interior trim area of the vehicle. The invention also relates to a corresponding interior color control system. The solar absorption efficiency of the vehicle interior can be reduced when the sunlight is strong, thereby keeping the internal temperature of the vehicle at a low level and improving the riding experience of the vehicle occupants.
Description
Technical Field
The invention relates to the field of vehicles, in particular to an interior color control method for a vehicle. The invention also relates to a corresponding interior color control system for a vehicle.
Background
In recent years, with development of technology and social progress, people increasingly select vehicles as travel tools, and requirements on comfort of the vehicles are also higher.
Currently, the interior colors of existing vehicles are generally fixed. During daytime, sunlight can shine through the window glass onto the interior trim area of the vehicle interior. Especially in hot summer, when the vehicle is exposed to the sun, the polyvinyl chloride material on the vehicle interior, especially on the dashboard of the vehicle center console, absorbs the heat carried by the sun and dissipates the heat into the cabin, causing a rapid rise in the temperature inside the vehicle. This not only causes serious discomfort to the vehicle occupants, or even causes symptoms such as dyspnea, but also accelerates the aging rate of the vehicle interior.
Disclosure of Invention
It is therefore an object of the present invention to propose an improved method for controlling the interior color of a vehicle, which can specifically adjust the interior color of the vehicle, thereby reducing the absorption efficiency of sunlight by the vehicle interior when the sunlight is intense, thereby keeping the interior temperature of the vehicle at a low level and improving the riding experience of the vehicle occupants.
According to a first aspect of the present invention, there is provided an interior color control method for a vehicle, wherein the interior color control method includes at least the steps of:
s1: detecting an illumination intensity outside the vehicle;
s2: when the illumination intensity increases beyond a preset first illumination intensity threshold, changing a voltage applied to an electrochromic element to increase the brightness of the electrochromic element, the electrochromic element being applied to at least part of an interior trim area of the vehicle.
Within the framework of the invention, "lightness" is understood to mean the shade and darkness of a color, which is the perception of the shade of the eye on the surface of an object, and may also be referred to as luminosity, wherein the greater the lightness, the brighter the color and the lighter the color, and the less efficient the absorption of light energy.
In the interior color control method for a vehicle according to the present invention, compared to the related art, the voltage applied to the electrochromic element located in the interior area is controlled according to the detected illumination intensity, and when the illumination intensity exceeds the first illumination intensity threshold value, the applied voltage is changed to increase the brightness of the electrochromic element, thereby improving the reflectivity of the electrochromic element for light and reducing the absorption efficiency of the electrochromic element for light energy, which can significantly reduce the internal temperature of the vehicle and improve the riding experience of passengers, especially when the vehicle is exposed to sunlight for a long time.
The method may further include providing a second illumination level, the second illumination level being greater than the first illumination level, the first illumination level occurring when the electrochromic element is loaded with a first target voltage, and the second illumination level occurring when the electrochromic element is loaded with a second target voltage greater than the first target voltage, wherein when the illumination intensity exceeds the first illumination intensity threshold, the voltage loaded on the electrochromic element increases from the first target voltage to the second target voltage, and the illumination level of the electrochromic element increases from the first illumination level to the second illumination level.
In an exemplary embodiment, a second illumination intensity threshold value is additionally provided, which is not equal to the first illumination intensity threshold value, wherein the brightness of the electrochromic element decreases from the second brightness to the first brightness when the illumination intensity decreases below the second illumination intensity threshold value.
Illustratively, the voltage applied is proportional to the illumination intensity, and the brightness of the electrochromic element is proportional to the voltage and gradually varies with the voltage.
Illustratively, in step S1, the illumination intensity is detected at a preset detection frequency; and/or, the method of controlling the interior color is implemented only when the vehicle is parked.
In an exemplary embodiment, an ambient temperature outside the vehicle is additionally detected, wherein the voltage applied to the electrochromic element is only changed when the illumination intensity exceeds the illumination intensity threshold value and the ambient temperature exceeds a predetermined ambient temperature threshold value.
According to a second aspect of the present invention, there is provided an interior color control system for a vehicle, wherein the interior color control system is configured to be adapted to implement the interior color control method according to the present invention, the interior color control system comprising at least:
-an electrochromic element configured to be suitable for being arranged on an interior trim area of at least part of the vehicle and to change color upon application of a voltage;
-a power supply unit electrically connected to the electrochromic element and configured to apply a voltage to the electrochromic element;
-an illumination intensity sensor configured to detect an illumination intensity outside the vehicle;
-a controller communicatively connected to the power supply unit and the illumination intensity sensor, respectively, and configured to change a voltage applied to the electrochromic element to increase the brightness of the electrochromic element when the illumination intensity increases beyond a preset first illumination intensity threshold.
The electrochromic element is arranged, for example, at least on a trim panel of an instrument desk of the vehicle and/or a bulkhead area behind a rear seat of the vehicle.
Illustratively, the electrochromic element is composed of transparent conductive layers on both sides, and an electrochromic layer, an electrolyte layer and an ion storage layer between the transparent conductive layers in a stacked manner.
The interior color control system additionally includes a temperature sensor configured to detect an ambient temperature.
Drawings
The principles, features and advantages of the present invention may be better understood by describing the present invention in more detail with reference to the drawings. The drawings include:
FIG. 1 shows a schematic block diagram of an interior color control system for a vehicle according to the present invention, according to one exemplary embodiment of the present invention;
fig. 2 shows a flowchart of an interior color control method for a vehicle according to the present invention according to an exemplary embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous technical effects to be solved by the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and a plurality of exemplary embodiments. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the invention.
In this specification, the terms "mounted," "connected," and "connected" are to be construed broadly, unless explicitly stated or limited otherwise. For example, it may be a fixed connection, a removable connection, or an integral connection; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intermediate members, or may be in communication with the interior of two elements. The meaning of the above terms in the present disclosure can be understood by one of ordinary skill in the art as appropriate.
It should be appreciated that the expressions "first", "second", etc. are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any particular order of number of technical features indicated. Features defining "first", "second" or "first" may be expressed or implied as including at least one such feature.
Fig. 1 shows a schematic block diagram of an interior color control system 100 for a vehicle according to the present invention according to an exemplary embodiment of the present invention.
As shown in fig. 1, an interior color control system 100 for a vehicle includes an electrochromic element 10 disposed on at least a portion of an interior area of the vehicle and changing color upon application of a voltage. Here, the electrochromic element 10 is composed of, for example, transparent conductive layers on both sides, and an electrochromic layer, an electrolyte layer and an ion storage layer located between the transparent conductive layers in a stacked manner, wherein a certain voltage is applied between the two transparent conductive layers, the electrochromic layer undergoes a redox reaction under the action of the voltage, the electrochromic layer is made of, for example, polyaniline, viologen, tungsten trioxide, or the like, and the electrolyte layer is composed of a specific conductive material, such as a solution or solid electrolyte material containing lithium perchlorate, sodium perchlorate, or the like, and the ion storage layer plays a role of storing corresponding counter ions and maintaining charge balance of the entire electrochromic element 10 when the redox reaction occurs in the electrochromic layer.
As shown in fig. 1, the interior color control system 100 includes a power supply unit 20 electrically connected with the electrochromic element 10 and configured to apply a desired voltage to the electrochromic element 10. Here, the power supply unit 20 is, for example, a power battery pack for a vehicle. However, it is also conceivable that the power supply unit 20 is a dedicated power supply provided separately.
As shown in fig. 1, the interior color control system 100 includes an illumination intensity sensor 30 configured to detect illumination intensity outside of the vehicle. The illumination intensity sensor is configured as a luminance sensor or an onboard camera arranged outside the vehicle, by means of which the current illumination intensity is evaluated.
As shown in fig. 1, the interior color control system 100 includes a controller 40 communicatively connected to the power supply unit 20 and the illumination intensity sensor 30, respectively, and configured to vary the voltage applied by the power supply unit 20 to the electrochromic element 10 to increase the brightness of the electrochromic element 10 when the illumination intensity detected by the illumination intensity sensor 30 increases beyond a preset first illumination intensity threshold, thereby reducing the absorption efficiency of the electrochromic element 10 for light energy and reducing the temperature inside the vehicle. Here, the first illumination intensity threshold value may be acquired from experimental data and/or empirical data and stored in advance in the controller 40.
For example, as shown in fig. 1, the electrochromic element 10 may be disposed on a trim panel of an instrument desk under a front windshield of a vehicle, which may be directly irradiated by sunlight through the front windshield. Furthermore, the electrochromic element 10 may also be arranged on a bulkhead area behind the rear seat of the vehicle, which bulkhead area may be directly illuminated by sunlight through the rear windshield. It is of course also contemplated that the electrochromic element 10 may be applied to other interior areas that would be considered interesting by those skilled in the art. In particular for vehicles with panoramic sunroofs, the electrochromic element 10 may also be arranged on the seat area and/or the foot pad area.
Fig. 2 shows a flowchart of an interior color control method for a vehicle according to the present invention according to an exemplary embodiment of the present invention.
As shown in fig. 1, the method for controlling the interior color of a vehicle according to the present invention includes at least the steps of:
s1: firstly, the illumination intensity outside the vehicle is detected by the illumination intensity sensor 20, wherein the illumination intensity is detected, in particular, at a predetermined detection frequency;
s2: when the detected light intensity increases beyond the preset first light intensity threshold, the controller 40 changes the voltage applied to the electrochromic element 10 by controlling the power supply unit 20 to increase the brightness of the electrochromic element 10.
The brightness of the electrochromic element 10 can thus be increased by changing the voltage applied to the electrochromic element 10 when the light is intense, so that the reflectivity of the interior region of the vehicle to the light is increased and the absorption efficiency of the interior region to the energy of the light is reduced, which effectively avoids the absorption of heat by the interior of the vehicle and significantly reduces the temperature of the interior of the vehicle.
Illustratively, the electrochromic element 10 laid on the interior trim area has a first brightness and a second brightness greater than the first brightness, wherein the first brightness occurs when the electrochromic element 10 is loaded with a first target voltage and the second brightness occurs when the electrochromic element 10 is loaded with a second target voltage greater than the first target voltage, wherein when the illumination intensity exceeds a first illumination intensity threshold, the voltage loaded on the electrochromic element 10 increases from the first target voltage to the second target voltage and the brightness of the electrochromic element 10 increases from the first brightness to the second brightness, such that the electrochromic element 10 transitions from a dark color to a light color, thereby significantly reducing the absorption efficiency of the electrochromic element 10 for light energy.
For example, a second illumination intensity threshold value is additionally provided, which is not equal to the first illumination intensity threshold value, wherein when the illumination intensity decreases below the second illumination intensity threshold value, the voltage applied to the electrochromic element 10 is reduced from the second target voltage to the first target voltage, so that the brightness of the electrochromic element 10 is reduced from the second brightness to the first brightness. Here, the second illumination intensity threshold value may be greater than or less than the first illumination intensity threshold value and stored in the controller 40 in advance. A hysteresis interval is formed between the first illumination intensity threshold value and the second illumination intensity threshold value, by which frequent changes in the brightness of the electrochromic element 10 can be effectively avoided when the external illumination intensity varies up and down centering on the first illumination intensity threshold value, thereby preventing discomfort to the vision of the vehicle occupant.
It is also possible that, in the event of a detected increase in the light intensity beyond a preset first light intensity threshold, the voltage applied to the electrochromic element 10 is proportional to the light intensity, while the brightness of the electrochromic element 10 is proportional to the voltage and varies gradually with the voltage. This enables a smooth and more targeted increase in the brightness of the electrochromic element 10.
The method for controlling the interior color according to the invention is implemented, for example, only when the vehicle is parked. In real life, when the vehicle is normally running, even if the vehicle is exposed to sunlight, the occupant can lower the temperature in the vehicle by opening windows or opening an air conditioner, and at this time, changing the color of the electrochromic element 10 may affect the occupant's eyesight and be detrimental to driving safety. In contrast, when the vehicle is in a stopped state and is exposed to sunlight, the closed space inside the vehicle contributes to heat accumulation, and the temperature inside the vehicle can be effectively reduced by the interior color control method according to the present invention.
For example, an ambient temperature outside the vehicle is additionally detected, wherein the voltage applied to the electrochromic element 10 is only changed if the light intensity exceeds the light intensity threshold value and the ambient temperature exceeds a predetermined ambient temperature threshold value. When the ambient temperature is lower than the ambient temperature threshold, the temperature in the vehicle does not cause discomfort to the occupant even if the vehicle is exposed to sunlight for a long period of time. The ambient temperature threshold value may be, for example, 16 ℃ and is stored in advance in the controller 40. Of course other thresholds that would be considered significant by those skilled in the art are also contemplated. To this end, as shown in fig. 1, the interior color control system 100 additionally comprises a temperature sensor 50, which is designed to detect the ambient temperature and is likewise connected in communication with the controller 40.
The foregoing explanation of the embodiments describes the invention only in the framework of the examples. Of course, the individual features of the embodiments can be combined with one another freely without departing from the framework of the invention, as long as they are technically interesting.
Other advantages and alternative embodiments of the invention will be apparent to those skilled in the art. Therefore, the invention in its broader aspects is not limited to the specific details, the representative structures, and illustrative examples shown and described. Rather, various modifications and substitutions may be made by those skilled in the art without departing from the basic spirit and scope of the invention.
Claims (10)
1. An interior color control method for a vehicle, characterized by comprising at least the steps of:
s1: detecting an illumination intensity outside the vehicle;
s2: when the illumination intensity increases beyond a preset first illumination intensity threshold, changing a voltage applied to an electrochromic element to increase the brightness of the electrochromic element, the electrochromic element being applied to at least part of an interior trim area of the vehicle.
2. The method for controlling an interior color according to claim 1, wherein,
the electrochromic element has a first brightness and a second brightness, the second brightness being greater than the first brightness, the first brightness occurring when the electrochromic element is loaded with a first target voltage and the second brightness occurring when the electrochromic element is loaded with a second target voltage that is greater than the first target voltage, wherein when the illumination intensity exceeds the first illumination intensity threshold, the voltage loaded on the electrochromic element increases from the first target voltage to the second target voltage and the brightness of the electrochromic element increases from the first brightness to the second brightness.
3. The method for controlling an interior color according to claim 2, wherein,
a second illumination intensity threshold is additionally provided, which is not equal to the first illumination intensity threshold, wherein the brightness of the electrochromic element decreases from the second brightness to the first brightness when the illumination intensity decreases below the second illumination intensity threshold.
4. The method for controlling an interior color according to claim 1, wherein,
the voltage applied is proportional to the illumination intensity, and the brightness of the electrochromic element is proportional to the voltage and gradually varies with the voltage.
5. The method for controlling an interior color according to any one of the preceding claims, wherein,
in step S1, detecting the illumination intensity at a preset detection frequency; and/or
The method for controlling the interior color is only performed when the vehicle is stopped.
6. The method for controlling an interior color according to any one of the preceding claims, wherein,
additionally, an ambient temperature outside the vehicle is detected, wherein the voltage applied to the electrochromic element is changed only if the illumination intensity exceeds the illumination intensity threshold and the ambient temperature exceeds a predetermined ambient temperature threshold.
7. An interior color control system (100) for a vehicle, characterized in that the interior color control system (100) is configured to be adapted to implement an interior color control method according to any one of claims 1 to 6, the interior color control system (100) comprising at least:
-an electrochromic element (10) configured to be suitable for being arranged on an interior trim area of at least part of the vehicle and to change color upon application of a voltage;
-a power supply unit (20) electrically connected to the electrochromic element (10) and configured to apply a voltage to the electrochromic element (10);
-an illumination intensity sensor (30) configured to be adapted to detect an illumination intensity outside the vehicle;
-a controller (40) in communication with the power supply unit (20) and the illumination intensity sensor (30), respectively, and configured to change a voltage applied to the electrochromic element (10) to increase the brightness of the electrochromic element (10) when the illumination intensity increases beyond a preset first illumination intensity threshold.
8. The interior color control system (100) according to claim 7, wherein,
the electrochromic element (10) is arranged at least on the trim panel of the vehicle's instrument desk and/or on a bulkhead area behind the vehicle's rear seat.
9. The interior color control system (100) according to claim 7 or 8, characterized in that,
the electrochromic piece (10) is composed of transparent conductive layers on two sides, and an electrochromic layer, an electrolyte layer and an ion storage layer which are positioned between the transparent conductive layers in a lamination mode.
10. The interior color control system (100) according to any one of claims 7 to 9, wherein,
the interior color control system (100) additionally includes a temperature sensor (50) configured to detect an ambient temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311616976.7A CN117539100A (en) | 2023-11-29 | 2023-11-29 | Method and system for controlling interior color of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311616976.7A CN117539100A (en) | 2023-11-29 | 2023-11-29 | Method and system for controlling interior color of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117539100A true CN117539100A (en) | 2024-02-09 |
Family
ID=89784029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311616976.7A Pending CN117539100A (en) | 2023-11-29 | 2023-11-29 | Method and system for controlling interior color of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117539100A (en) |
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2023
- 2023-11-29 CN CN202311616976.7A patent/CN117539100A/en active Pending
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