Glass control system and vehicle
The electrochromic glass system automatically adjusts the light transmittance according to the vehicle's gear position and ambient light intensity, solving the problems of short lifespan of interior trim and insufficient driving safety, and achieving in-vehicle temperature control and privacy protection.
Patent Information
- Application Number
- CN202520358577.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Because the light transmittance of car window glass is fixed, the temperature of car interior accessories rises when exposed to sunlight, resulting in a shortened lifespan and insufficient driving safety and privacy protection.
It uses electrochromic glass, and through the driving circuit and sensors, it detects the vehicle gear position and ambient light intensity. The controller adjusts the light transmittance of the window glass, and combined with the protection module and display panel/wireless communication module, it realizes automatic or manual adjustment.
It effectively regulates the light transmittance of car window glass, reduces heat inside the car, extends the life of car interior accessories, and improves driving safety and privacy protection.
Smart Images
Figure CN223821434U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of vehicle control technology, specifically to a glass control system and a vehicle. Background Technology
[0002] Car windows are an important component of a vehicle, primarily used to protect occupants from the effects of the external environment while providing them with a clear view.
[0003] In related technologies, vehicle windows typically use a fixed light transmittance, and to ensure driving safety, the light transmittance of vehicle windows is usually relatively high. However, when a vehicle is parked in an open environment and exposed to sunlight, the interior temperature will rise significantly, causing considerable sun damage to the interior furnishings and resulting in a shorter lifespan for them. Utility Model Content
[0004] This utility model provides a glass control system and vehicle, aiming to solve the problem of short service life of vehicle interior accessories.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0006] In a first aspect, embodiments of this application provide a glass control system for controlling the window glass of a vehicle, wherein the window glass is electrochromic glass. The glass control system includes a drive circuit, a first sensor, and a controller, wherein the controller is electrically connected to the drive circuit and the first sensor, and the drive circuit is electrically connected to a power supply and the window glass. The first sensor is used to detect the vehicle's gear position, and the controller can determine a target voltage based on the detection result of the first sensor and control the drive circuit to apply the target voltage to the window glass to adjust the light transmittance of the window glass.
[0007] Based on the aforementioned technical means, the controller can acquire the vehicle's gear position through a first sensor, determine the target voltage based on the gear position, and control the drive circuit to apply the target voltage to the window glass to change its color, thereby adjusting the light transmittance of the window glass. This allows for adjustment of the window glass's light transmittance according to the vehicle's gear position. For example, when the vehicle is in park, the controller can reduce the window glass's light transmittance through the drive circuit to improve its solar protection level, reduce heat entering the vehicle, and thus reduce solar damage to interior furnishings, extending their lifespan. When the vehicle is in drive, the controller can increase the window glass's light transmittance through the drive circuit, providing occupants with a clearer view and improving driving safety.
[0008] In one possible implementation, the glass control system further includes a second sensor electrically connected to the controller. The second sensor detects the light intensity of the vehicle's surroundings. The controller determines a target voltage based on the detection results from the first and second sensors and controls the drive circuit to apply the target voltage to the window glass to adjust its light transmittance.
[0009] Based on the aforementioned technical means, the controller can also acquire the ambient light intensity of the vehicle's environment through a second sensor. Then, based on the vehicle's gear position and the ambient light intensity, it determines a target voltage and controls the drive circuit to apply the target voltage to the window glass, thereby changing the window glass's color and adjusting its light transmittance. This allows for adjustment of the window glass's light transmittance according to the vehicle's gear position and the ambient light intensity. For example, when the vehicle is in park and the light intensity is high, the controller can reduce the window glass's light transmittance through the drive circuit to reduce heat entering the vehicle and protect privacy. When the vehicle is in drive and the light intensity is low, the controller can increase the window glass's light transmittance through the drive circuit to improve driving safety.
[0010] In one possible implementation, the drive circuit has a protection module that can disconnect the power supply and the window glass when the current flowing through the drive circuit is greater than or equal to a preset current.
[0011] Based on the above technical means, the protection module can cut off the electrical connection between the window glass and the power supply when the current flowing through the drive circuit is too large, thereby realizing short circuit protection and / or overload protection and reducing the risk of damage to the window glass.
[0012] In one possible implementation, the protection module can also disconnect the power supply and the window glass when the power supply voltage is less than or equal to a preset voltage.
[0013] Based on the above technical means, the protection module can cut off the electrical connection between the car window glass and the power supply when the power supply voltage is too low, thereby realizing power loss protection and reducing the risk of power supply damage.
[0014] In one possible implementation, the glass control system further includes a display panel electrically connected to the controller. The controller can also generate status information based on the detection results of the first and second sensors and transmit this status information to the display panel for display. The status information includes at least one of the following: the ambient light intensity of the vehicle's environment, the current light transmittance of the window glass, and the current solar protection level of the window glass.
[0015] Based on the aforementioned technical means, users can intuitively understand information such as the light intensity of the vehicle's environment, the current light transmittance of the windows, and the current solar protection level of the windows through the display panel, making it convenient for users to adjust the light transmittance of the windows based on this information.
[0016] In one possible implementation, the display panel can also receive control commands, and the controller can determine the target voltage based on the control commands received by the display panel and control the drive circuit to apply the target voltage to the window glass to adjust the light transmittance of the window glass.
[0017] Based on the aforementioned technical means, users can input control commands through the display panel to manually adjust the light transmittance of the car window glass.
[0018] In one possible implementation, the glass control system further includes a wireless communication module electrically connected to the controller, which can output status information through the wireless communication module.
[0019] Based on the aforementioned technical means, users can receive status information output by the wireless communication module through terminal devices such as mobile phones and tablets, thereby understanding information such as the light intensity of the vehicle's environment, the current light transmittance of the car window glass, and the current sunlight protection level of the car window glass, so that users can adjust the light transmittance of the car window glass according to this information.
[0020] In one possible implementation, the wireless communication module can also receive control commands, and the controller can determine the target voltage based on the control commands received by the wireless communication module, and control the drive circuit to apply the target voltage to the window glass to adjust the light transmittance of the window glass.
[0021] Based on the aforementioned technical means, users can input control commands through terminal devices such as mobile phones and tablets, and then transmit the control commands to the wireless communication module to remotely adjust the light transmittance of the car window glass.
[0022] Secondly, embodiments of this application also provide a vehicle, which includes a window glass and a glass control system as described in the first aspect and any possible implementation thereof. The window glass is electrochromic glass, and the drive circuit in the glass control system is electrically connected to the window glass.
[0023] In one possible implementation, the vehicle also includes an onboard battery that is electrically connected to the drive circuitry.
[0024] It should be noted that the technical effects of any implementation method in the second aspect can be referred to the technical effects of the corresponding implementation method in the first aspect, and will not be repeated here.
[0025] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description
[0026] Figure 1 Structural diagrams of the vehicle provided in some embodiments of this application;
[0027] Figure 2 Exploded views of vehicle window glass provided for some embodiments of this application;
[0028] Figure 3 This is a schematic diagram of the structure of the color-changing functional layer provided in some embodiments of this application;
[0029] Figure 4 This is a schematic diagram of the structure of the color-changing functional layer provided in other embodiments of this application;
[0030] Figure 5 This is a hardware configuration block diagram of a glass control system provided for some embodiments of this application.
[0031] Figure label:
[0032] 1000 - Vehicle; 100 - Body; 200 - Window glass; 1 - Inner glass layer; 2 - Outer glass layer; 3 - Color-changing functional layer; 31 - Electrochromic layer; 32 - Electrode layer; 33 - Electrolyte layer; 34 - Ion storage layer; 300 - Vehicle battery; 400 - Glass control system; 10 - Drive circuit; 20 - First sensor; 30 - Controller; 40 - Second sensor; 50 - Display panel; 60 - Wireless communication module. Detailed Implementation
[0033] To enable those skilled in the art to better understand the technical solutions of this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.
[0034] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.
[0035] See Figure 1This application provides a vehicle 1000, which can be a passenger car such as a sedan, a sport utility vehicle (SUV), or a multi-purpose vehicle (MPV), or a bus, a truck, a semi-trailer, etc. This application does not make any specific limitations on it.
[0036] The vehicle 1000 includes a body 100 and a window 200. The body 100 has a cabin inside, which can be used for passengers and cargo loading. The window 200 is installed on the body 100 to protect the passengers from the external environment and provide them with a clear view.
[0037] It should be noted that the vehicle window glass 200 can be any one or any combination of the windshield, rear windshield, door glass, triangular window glass and sunroof glass, and this application does not make any specific limitation in this regard.
[0038] Among them, the window glass 200 is electrochromic glass. As can be understood, electrochromic glass can change its light transmittance by applying voltage.
[0039] For example, such as Figure 2 As shown, the vehicle window glass 200 includes an inner glass layer 1, an outer glass layer 2, and a photochromic layer 3, with the photochromic layer 3 disposed between the inner glass layer 1 and the outer glass layer 2. The photochromic layer 3 can change its color by applying voltage, thereby altering the light transmittance of the vehicle window glass 200. The inner glass layer 1 and the outer glass layer 2 protect the photochromic layer 3, reducing the risk of damage to it.
[0040] like Figure 3 As shown, the color-changing functional layer 3 includes an electrochromic layer 31 and two electrode layers 32. The electrochromic layer 31 is disposed between the two electrode layers 32. The two electrode layers 32 are used to connect to a power source to form an electric field, thereby driving the migration of ions in the electrochromic layer 31, causing the electrochromic layer 31 to change its own color, thereby changing the light transmittance of the car window glass 200.
[0041] The electrochromic layer 31 can be made of electrochromic materials such as tungsten oxide and nickel oxide, and the two electrode layers 32 can be made of transparent materials such as indium tin oxide (ITO).
[0042] In addition, such as Figure 4As shown, the color-changing functional layer 3 may further include an electrolyte layer 33 and an ion storage layer 34. The electrolyte layer 33 and the ion storage layer 34 are located between the electrochromic layer 31 and an electrode layer 32, with the electrolyte layer 33 located between the electrochromic layer 31 and the ion storage layer 34. It should be noted that the ion storage layer 34 is used to store counterions, and the electrolyte layer 33 is used to realize ion transport between the electrochromic layer 31 and the ion storage layer 34.
[0043] In some embodiments, such as Figure 1 As shown, the vehicle 1000 includes an on-board battery 300, which can act as a power source to apply voltage to the window glass 200 to change the light transmittance of the window glass 200. For example, the on-board battery 300 is electrically connected to two electrode layers 32.
[0044] In some embodiments, see Figure 1 and Figure 5 The vehicle 1000 also includes a glass control system 400, which is used to control the window glass 200 of the vehicle 1000 to adjust the light transmittance of the window glass 200.
[0045] The glass control system 400 includes a drive circuit 10, a first sensor 20, and a controller 30. The controller 30 is electrically connected to the drive circuit 10 and the first sensor 20, and the drive circuit 10 is electrically connected to a power supply and the vehicle window glass 200.
[0046] It should be noted that either the aforementioned vehicle battery 300 can be used as a power source and electrically connected to the vehicle window glass 200 through the drive circuit 10 to apply voltage to the vehicle window glass 200; or other external power sources can be used and electrically connected to the vehicle window glass 200 through the drive circuit 10 to apply voltage to the vehicle window glass 200; this application does not make any specific limitation in this regard.
[0047] When the vehicle battery 300 is used as a power source, the vehicle battery 300 can be electrically connected to the drive circuit 10 via a voltage converter (e.g., a DC-DC converter), and then electrically connected to the window glass 200 via the drive circuit 10. It is understood that the voltage converter can convert the voltage of the vehicle battery 300 into the voltage required to adjust the light transmittance of the window glass 200.
[0048] In this embodiment of the application, the first sensor 20 is used to detect the gear position of the vehicle 1000. The controller 30 can determine the target voltage based on the detection result of the first sensor 20 and control the drive circuit 10 to apply the target voltage to the window glass 200 to adjust the light transmittance of the window glass 200.
[0049] In this way, the controller 30 can obtain the gear position of the vehicle 1000 through the first sensor 20, determine the target voltage based on the gear position of the vehicle 1000, and control the drive circuit 10 to apply the target voltage to the window glass 200 to drive the window glass 200 to change its color, thereby adjusting the light transmittance of the window glass 200. Thus, the light transmittance of the window glass 200 can be adjusted according to the gear position of the vehicle 1000.
[0050] For example, when the vehicle 1000 is in park, the controller 30 can reduce the light transmittance of the window glass 200 through the drive circuit 10 to improve the sun protection level of the window glass 200, reduce the heat entering the vehicle, thereby reducing the sun damage to the interior furnishings and extending their service life. When the vehicle 1000 is in drive, the controller 30 can increase the light transmittance of the window glass 200 through the drive circuit 10 to provide occupants with a clearer view and improve driving safety.
[0051] For example, the drive circuit 10 includes a pulse width modulation (PWM) module, and the controller 30 can precisely adjust the voltage applied to the window glass 200 through the PWM module, thereby realizing continuous adjustment of the light transmittance of the window glass 200.
[0052] It should be noted that the first sensor 20 can be installed in the vehicle 1000's transmission or electronic control unit (ECU) to detect the gear status of the vehicle 1000.
[0053] In some embodiments, such as Figure 5 As shown, the glass control system 400 also includes a second sensor 40, which is electrically connected to the controller 30.
[0054] The second sensor 40 is used to detect the light intensity of the environment in which the vehicle 1000 is located; the controller 30 can determine the target voltage based on the detection results of the first sensor 20 and the second sensor 40, and control the drive circuit 10 to apply the target voltage to the window glass 200 to adjust the light transmittance of the window glass 200.
[0055] In this way, the controller 30 can obtain the gear position of the vehicle 1000 through the first sensor 20 and the light intensity of the environment in which the vehicle 1000 is located through the second sensor 40. Based on the gear position and light intensity of the environment, it determines the target voltage and controls the drive circuit 10 to apply the target voltage to the window glass 200, thereby changing the color of the window glass 200 and adjusting its light transmittance. This allows the light transmittance of the window glass 200 to be adjusted according to the gear position and light intensity of the environment.
[0056] For example, when the vehicle 1000 is in park and the light intensity is high, the controller 30 can adjust the light transmittance of the window glass 200 through the drive circuit 10 to reduce heat entering the vehicle and protect privacy. When the vehicle 1000 is in drive and the light intensity is low, the controller 30 can adjust the light transmittance of the window glass 200 through the drive circuit 10 to increase driving safety.
[0057] For example, when the vehicle 1000 is in the parking gear, the controller 30 can automatically control the drive circuit 10 to adjust the light transmittance of the window glass 200 according to preset parameters and / or light intensity, so as to reduce the increase in interior temperature and sunlight damage.
[0058] It should be noted that the second sensor 40 can be a sunlight and rain sensor for the vehicle 1000. In this case, the existing sunlight and rain sensor of the vehicle 1000 can be used to detect the light intensity of the environment in which the vehicle 1000 is located, without the need to add a separate sensor for detecting light intensity to the vehicle 1000, which helps to reduce the overall vehicle cost. Of course, the second sensor 40 can also be a separately installed sunlight sensor, and this application does not specifically limit this.
[0059] To avoid the second sensor 40 interfering with the driver's vision, the second sensor 40 can be placed on the edge or inside of the windshield.
[0060] In some embodiments, the drive circuit 10 has a protection module that can disconnect the power supply and the window glass 200 when the current flowing through the drive circuit 10 is greater than or equal to a preset current.
[0061] It should be noted that the preset current can be the maximum current that allows the glass control system 400 to maintain normal operation for a long time. When the drive circuit 10 is short-circuited or the load exceeds the safe carrying capacity of the drive circuit 10, the current flowing through the drive circuit 10 will increase to exceed the preset current, causing the power supply and the window glass 200 to disconnect.
[0062] Based on this, the protection module can cut off the electrical connection between the window glass 200 and the power supply when the current flowing through the drive circuit 10 is too large, thereby achieving short circuit protection and / or overload protection and reducing the risk of damage to the window glass 200.
[0063] For example, the protection module includes an overload protection circuit and a fuse. When the load exceeds the safe carrying capacity of the drive circuit 10, the overload protection circuit can disconnect the electrical connection between the power supply and the window glass 200. When a short circuit occurs in the drive circuit 10, the fuse will blow, thereby disconnecting the electrical connection between the power supply and the window glass 200.
[0064] In some embodiments, the protection module can disconnect the power supply and the window glass 200 when the voltage of the power supply is less than or equal to a preset voltage.
[0065] It should be noted that the preset voltage can be the minimum voltage at which the power supply can provide stable and reliable power for a long time. When the power supply is in a state of power depletion, the power supply voltage will decrease to less than the preset voltage, causing the power supply and the car window glass 200 to disconnect.
[0066] Based on this, the protection module can disconnect the electrical connection between the window glass 200 and the power supply when the power supply voltage is too low, thereby achieving power loss protection and reducing the risk of power supply damage.
[0067] For example, the protection module includes a power loss protection circuit that can disconnect the electrical connection between the power supply and the window glass 200 when the power supply is facing a power loss.
[0068] In some embodiments, the glass control system 400 further includes a display panel 50, which is electrically connected to the controller 30. The controller 30 is also capable of generating status information based on the detection results of the first sensor 20 and the second sensor 40, and transmitting the status information to the display panel 50 for display.
[0069] The status information includes at least one of the following: the light intensity of the environment in which the vehicle 1000 is located, the current light transmittance of the window glass 200, and the current sun protection level of the window glass 200.
[0070] With this setup, users can intuitively understand the ambient light intensity of the vehicle 1000, the current light transmittance of the window glass 200, and the current sun protection level of the window glass 200 through the display panel 50, making it easy for users to adjust the light transmittance of the window glass 200 based on this information.
[0071] In addition, the display panel 50 can also receive control commands. The controller 30 can determine the target voltage based on the control commands received by the display panel 50 and control the drive circuit 10 to apply the target voltage to the window glass 200 to adjust the light transmittance of the window glass 200. In this way, the user can input control commands through the display panel 50 to manually adjust the light transmittance of the window glass 200.
[0072] For example, the display panel 50 is a touch screen with touch function. Users can input control commands by clicking buttons on the touch screen or sliding their fingers on the touch screen to adjust the light transmittance of the window glass 200.
[0073] In some embodiments, the glass control system 400 further includes a wireless communication module 60, which is electrically connected to the controller 30, and the controller 30 can output status information through the wireless communication module 60.
[0074] In this way, users can receive status information output by the wireless communication module 60 through terminal devices such as mobile phones and tablets, thereby understanding information such as the light intensity of the environment in which the vehicle 1000 is located, the current light transmittance of the window glass 200, and the current sun protection level of the window glass 200.
[0075] In addition, the wireless communication module 60 can also receive control commands. The controller 30 can determine the target voltage based on the control commands received by the wireless communication module 60 and control the drive circuit 10 to apply the target voltage to the window glass 200 to adjust the light transmittance of the window glass 200. In this way, users can input control commands through terminal devices such as mobile phones and tablets, and then transmit the control commands to the wireless communication module 60 to remotely adjust the light transmittance of the window glass 200.
[0076] In some embodiments, when the light intensity detected by the second sensor 40 is greater than a preset value, the controller 30 can control the display panel 50 to display a reminder message, or control the wireless communication module 60 to send a reminder message to a terminal device such as a mobile phone or tablet computer to remind the user to pay attention to sun protection.
[0077] The preset values can be obtained through experimental testing. For example, when the light intensity is equal to the preset value, the temperature inside the car is high, which will cause significant sunlight damage to the interior decorations.
[0078] In other embodiments, if the light intensity detected by the second sensor 40 is greater than a preset value, the controller 30 can also automatically start the in-vehicle air purification system to provide users with a good in-vehicle air environment.
[0079] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any changes or substitutions within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. A glass control system for controlling vehicle window glass, wherein the window glass is electrochromic glass, characterized in that, The glass control system (400) includes: A drive circuit (10) is used to electrically connect to a power supply and the window glass (200); The first sensor (20) is used to detect the gear position of the vehicle (1000); The controller (30) is electrically connected to the drive circuit (10) and the first sensor (20); the controller (30) can determine the target voltage based on the detection result of the first sensor (20) and control the drive circuit (10) to apply the target voltage to the window glass (200) to adjust the light transmittance of the window glass (200).
2. The glass control system according to claim 1, characterized in that, The glass control system (400) also includes: The second sensor (40) is electrically connected to the controller (30) and is used to detect the light intensity of the environment in which the vehicle (1000) is located; The controller (30) can determine the target voltage based on the detection results of the first sensor (20) and the second sensor (40), and control the drive circuit (10) to apply the target voltage to the window glass (200) to adjust the light transmittance of the window glass (200).
3. The glass control system according to claim 1 or 2, characterized in that, The drive circuit (10) has a protection module that can disconnect the power supply and the window glass (200) when the current flowing through the drive circuit (10) is greater than or equal to a preset current.
4. The glass control system according to claim 3, characterized in that, The protection module can also disconnect the power supply and the window glass (200) when the voltage of the power supply is less than or equal to a preset voltage.
5. The glass control system according to claim 2, characterized in that, The glass control system (400) also includes: The display panel (50) is electrically connected to the controller (30); the controller (30) can also generate status information based on the detection results of the first sensor (20) and the second sensor (40), and transmit the status information to the display panel (50) for display; The status information includes at least one of the following: the light intensity of the environment in which the vehicle (1000) is located, the current light transmittance of the window glass (200), and the current sun protection level of the window glass (200).
6. The glass control system according to claim 5, characterized in that, The display panel (50) can also receive control commands. The controller (30) can determine the target voltage based on the control commands received by the display panel (50) and control the drive circuit (10) to apply the target voltage to the window glass (200) to adjust the light transmittance of the window glass (200).
7. The glass control system according to claim 5, characterized in that, The glass control system (400) also includes: The wireless communication module (60) is electrically connected to the controller (30); the controller (30) can output the status information through the wireless communication module (60).
8. The glass control system according to claim 7, characterized in that, The wireless communication module (60) can also receive control commands. The controller (30) can determine the target voltage based on the control commands received by the wireless communication module (60) and control the drive circuit (10) to apply the target voltage to the window glass (200) to adjust the light transmittance of the window glass (200).
9. A vehicle, characterized in that, The vehicle (1000) includes: The vehicle window glass (200) is electrochromic glass; The glass control system (400) according to any one of claims 1-8, wherein the drive circuit (10) in the glass control system (400) is electrically connected to the vehicle window glass (200).
10. The vehicle according to claim 9, characterized in that, The vehicle (1000) also includes: The vehicle battery (300) is electrically connected to the drive circuit (10).