Automatic sunshade device for a vehicle

Abstract

The utility model is suitable for the field of intelligent control technology of automobile sun shield, provides an automatic sunshade device for car, including car body, car body is connected with front window, side window and rear -view mirror, the upper portion of front window and side window junction is equipped with first drive part, the output of first drive part is connected with second drive part, second drive part is connected with sun shield, the utility model discloses a first drive part and second drive part are set up and realize the electrical control to sun shield, realize the judgement to the light state through setting up several light sensors on the back of rear -view mirror, through the linkage with car machine platform, realize the intelligent automatic control of sun shield under the configuration of car machine, simultaneously, the sunshade control instruction is integrated in the speech recognition module of car machine platform, realize the speech control to sun shield, through setting up first sensor and second sensor, realize the multi -angle consideration judgement to the light state of the straight ahead and the side light state, can switch sunshade work according to the illumination direction.

Description

Technical Field

[0001] This utility model relates to the field of intelligent control technology for automotive sun visors, and more specifically, to an automatic sunshade device for automobiles. Background Technology

[0002] With the increasing popularity of automobiles, their level of intelligence is also increasing. Voice interaction and intelligent control with the vehicle's infotainment platform enable functions such as air conditioning, seat heating and cooling, and window control. Some traditional functions that required manual operation and adjustment have been made intelligent. However, small items such as the sun visors on the front seats have not yet been integrated into the scope of vehicle infotainment control.

[0003] Currently, the sun visors in the front of cars are controlled manually. This manual operation distracts the driver and increases the risk of accidents. Therefore, there is a need to design an automatic sun visor for cars. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an automatic sunshade device for automobiles.

[0005] To achieve the above objectives, the present invention provides the following technical solution: An automatic sunshade device for automobiles includes a vehicle body, a front window, side windows and a rearview mirror connected to the vehicle body, and a first drive unit provided at the upper part of the connection between the front window and the side window. The output end of the first drive unit is connected to the second drive unit, which in turn is connected to the sun visor. A rotating shaft is provided at the connection between the sun visor and the second drive unit. The sun visor is driven by the first and second drive units, achieving electrical control of the sun visor. A rotating shaft runs through the bottom of the sun visor and is connected to the output end of the second drive unit via a normally open electromagnetic clutch. When the device is performing automatic sun shading, the normally open electromagnetic clutch is energized and engaged, allowing the second drive unit to drive the sun visor to rotate and complete the automatic sun shading operation. When the device is not performing automatic sun shading, the normally open electromagnetic clutch is not energized and disengaged, separating the second drive unit from the rotating shaft of the sun visor. At this time, the sun visor can be manually operated, achieving automatic decoupling between the second drive unit's drive and manual operation. This retains the intuitive reliability of traditional manual operation while providing the portability and intelligence of automatic control.

[0006] The present invention is further configured such that: a plurality of light sensors are integrated on the back of the rearview mirror, including a first light sensor and a second light sensor. By integrating light sensors on the back of the rearview mirror, light intensity data can be acquired. The rearview mirror is located outside the vehicle body and is fully exposed to the outside, not obstructed by other devices. Furthermore, the rearview mirror is at the same height as the area where the driver's eyes receive light, so the acquired light intensity data is more accurate.

[0007] The present invention is further configured such that: a first light sensor is disposed in the rearview mirror on the side near the side window, facing the direction of vehicle travel, to obtain the light intensity of the front window area and mark it as the first light intensity; by setting the first light sensor to obtain the light intensity directly in front of the vehicle, the light state directly in front of the vehicle is determined.

[0008] The present invention is further configured such that: the second light sensor is set in the rearview mirror on the side away from the side window, facing outward of the side window, to obtain the light intensity of the side window area and mark it as the second light intensity. By setting the second light sensor to obtain the light intensity of the side of the vehicle, the light state of the side of the vehicle is determined. The present invention takes into account the light state of the side of the vehicle, rather than only considering the light state of the front of the vehicle, thus improving the intelligence and accuracy of the sunshade.

[0009] This invention is further configured such that: when the first light intensity is greater than the light threshold, the first sunshade operation is triggered; when the second light intensity is greater than the light threshold, the second sunshade operation is triggered; and when both the first and second light intensities are greater than the light threshold, the first sunshade operation is triggered. By setting dual sensors, the light state can be judged more accurately, and corresponding sunshade operations can be performed. The sunshade operation can be switched according to the direction of light, so the driver no longer needs to frantically adjust the sun visor manually, and can focus more on driving, thus improving driving safety.

[0010] The present invention is further configured such that: the front window is divided into a first sunshade area and a first field of vision area. By dividing the front window, the first sunshade area is provided as the working area of ​​the sun visor, so as to avoid the sun visor obstructing the driver's driving vision and affecting safe driving; the side window is divided into a second sunshade area and a second field of vision area. By dividing the side window, the second sunshade area is provided as the working area of ​​the sun visor, so as to avoid the sun visor obstructing the driver's view of the rearview mirror and side vehicles, thus affecting safe driving.

[0011] The present invention is further configured such that: the first sunshade operation refers to the first drive unit coordinating with the second drive unit to move the sunshade to the first sunshade area. By moving the sunshade to the first sunshade area, the strong sunlight directly in front of the vehicle is blocked without affecting the driver's forward vision during driving; the second sunshade operation refers to the first drive unit coordinating with the second drive unit to move the sunshade to the second sunshade area. By moving the sunshade to the second sunshade area, the strong sunlight from the side of the vehicle is blocked without affecting the driver's view through the side window to observe the rearview mirror.

[0012] The present invention is further configured such that: the signal acquisition interface of the vehicle's infotainment platform is connected to several light sensors; through the connection between the vehicle's infotainment platform and the light sensors, the vehicle's infotainment platform acquires the light data transmitted by the light sensors, analyzes and judges it, and obtains sunshade control commands; the bus communication interface of the vehicle's infotainment platform is connected to the first drive unit; through the connection between the vehicle's infotainment platform and the first drive unit, the vehicle's infotainment platform sends control commands to the first drive unit to realize intelligent automatic control of the sunshade.

[0013] The present invention is further configured such that: the voice recognition module of the vehicle platform integrates sunshade control commands; by integrating sunshade control commands, the vehicle system obtains the voice commands and sends control commands to the first drive unit to realize the voice control of the sunshade.

[0014] In summary, this application includes at least one of the following beneficial technical effects for an automatic sunshade device for automobiles: The sun visor is electrically controlled by setting up a first drive unit and a second drive unit. Several light sensors are installed on the back of the rearview mirror to judge the light conditions. By linking the first drive unit, the second drive unit, and the light sensors with the vehicle's infotainment platform, intelligent automatic control of the sun visor under the vehicle's infotainment system is achieved. At the same time, the sun visor control commands are integrated into the voice recognition module of the vehicle's infotainment platform to realize voice control of the sun visor. By setting up the first and second sensors, the system can make multi-angle judgments on the light conditions in front and to the sides, and can switch the sun visor operation according to the direction of light. The driver no longer needs to frantically adjust the sun visor manually, and can focus more on driving. By setting up a normally open electromagnetic clutch at the connection between the sun visor and the second drive unit, the automatic decoupling between the second drive unit's drive and manual operation is achieved. This retains the intuitiveness and reliability of traditional manual operation, while providing the portability and intelligence of automatic control. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This utility model Figure 1 A schematic diagram of the cross-sectional structure; Figure 3 This utility model Figure 2 A magnified structural diagram of region A; Figure 4 This is a schematic diagram of the light sensor deployment in the rearview mirror of this utility model; Figure 5 This is a schematic diagram showing the area division of the front window of this utility model; Figure 6 This is a schematic diagram showing the area division of the side window of this utility model; Figure 7 This is a flowchart illustrating the overall operation of this utility model.

[0016] Reference numerals: 1. First drive unit; 2. Second drive unit; 3. Sun visor; 4. Front window; 5. Side window; 6. Rearview mirror; 7. Vehicle body. Detailed Implementation

[0017] The following detailed, non-limiting description of the present invention, in conjunction with preferred embodiments and accompanying drawings, is provided. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0018] Please see Figure 1 The present invention provides a technical solution including a vehicle body 7, which is connected to a front window 4, a side window 5 and a rearview mirror 6. A first drive unit 1 is provided at the upper part of the connection between the front window 4 and the side window 5. The first drive unit 1 can be a micro DC motor. The micro DC motor can provide high speed and low torque power and has good self-locking characteristics. The sun visor 3 will not move due to vibration, and the safety and reliability are high. It should be noted that the first drive unit 1 must have sufficient rigidity when installed to prevent the first drive unit 1 from becoming unstable and loose when the vehicle vibrates. The output end of the first drive unit 1 is connected to the second drive unit 2. The first drive unit 1 is used to drive the second drive unit 2 to switch between the front window 4 and the side window 5. The second drive unit 2 is connected to the sun visor 3. A rotating shaft is provided through the bottom of the sun visor 3. The second drive unit 2 can be a rotary motor. The second drive unit 2 is used to drive the sun visor 3 to rotate around the rotating shaft to realize the opening and closing of the sun visor 3. The rotating shaft is connected to the output end of the second drive unit 2 through a normally open electromagnetic clutch. When the device is in automatic sun shading operation, the normally open electromagnetic clutch is energized and the clutch is in the engaged state. The second drive unit 2 drives the sun visor 3 to rotate to complete the automatic sun shading operation. When the device is not in automatic sun shading operation, the normally open electromagnetic clutch is not energized and the clutch is in the disengaged state. The second drive unit 2 is disengaged from the rotating shaft of the sun visor 3. At this time, the sun visor 3 can be operated manually.

[0019] Further, see Figure 2 The rearview mirror 6 has several light sensors integrated on its back, including a first light sensor and a second light sensor.

[0020] Furthermore, the first light sensor is located on the side of the rearview mirror 6 near the side window 5, facing the direction of vehicle travel, to obtain the light intensity of the area of ​​the front window 4, and mark it as the first light intensity.

[0021] Furthermore, the second light sensor is located on the side of the rearview mirror 6 away from the side window 5, facing outwards from the side window 5, to obtain the light intensity of the area of ​​the side window 5 and mark it as the second light intensity.

[0022] Furthermore, when the first light intensity is greater than the light threshold, the first sunshade is triggered; when the second light intensity is greater than the light threshold, the second sunshade is triggered; when both the first and second light intensities are greater than the light threshold, the first sunshade is triggered. The threshold depends on the driver's sensitivity to light and can be adjusted by the driver in the vehicle's infotainment platform.

[0023] Further, see Figure 3 and Figure 4 The front window 4 is divided into a first sunshade area and a first field of vision area, and the side window 5 is divided into a second sunshade area and a second field of vision area. The division of the first sunshade area, the first field of vision area, the second sunshade area, and the second field of vision area depends on the driver's line of sight height, which can be personalized by the driver in the vehicle's infotainment platform.

[0024] Furthermore, the first sunshade operation refers to the first drive unit 1 working in conjunction with the second drive unit 2 to move the sunshade 3 to the first sunshade area, that is, the first drive unit 1 drives the second drive unit 2 to move to the front window 4, and then the second drive unit 2 starts to open the sunshade 3, thus completing the first sunshade operation.

[0025] Furthermore, the second sunshade operation refers to the first drive unit 1 working in conjunction with the second drive unit 2 to move the sunshade 3 to the second sunshade area, that is, the first drive unit 1 drives the second drive unit 2 to move to the side window 5, and then the second drive unit 2 starts to open the sunshade 3, thus completing the second sunshade operation.

[0026] Furthermore, the vehicle's infotainment platform's signal acquisition interface is connected to several light sensors, and the vehicle's infotainment platform's bus communication interface is connected to the first drive unit 1. For example, a CAN bus communication interface can be used for connection. The first drive unit 1 is equipped with a microcontroller with a CAN controller. This microcontroller is connected to the vehicle's CAN bus via a CAN transceiver. The vehicle's infotainment platform also acts as a node on the CAN bus. When a sunshade command is triggered, the vehicle's infotainment platform sends a control command to the first drive unit 1 via the CAN bus. After receiving the control command, the first drive unit 1 executes the corresponding action.

[0027] Furthermore, the voice recognition module of the vehicle platform integrates sunshade control commands. When a user in the vehicle issues a preset voice command, such as "Open the front window sunshade" and "Open the side window sunshade", the vehicle voice system recognizes and understands the command and maps it to a preset CAN command. The vehicle platform then sends it to the first drive unit 1 to complete the voice control of the sunshade 3.

[0028] Example 1, as Figure 7 As shown, the second drive unit 2 uses a rotary motor, whose output shaft is connected to the rotation shaft of the sun visor 3. The first and second light sensors acquire light intensity in real time, obtaining the first light intensity G1 and the second light intensity G2, and transmit the acquired data to the vehicle platform. The vehicle platform analyzes and processes the first light intensity G1 and the second light intensity G2, compares them with the threshold g, and if G1>g and G2>g, the first sun visor working condition is met, triggering the first sun visor working signal. The vehicle platform sends a control command to the first drive unit 1. The first drive unit 1 receives the control command, parses it, and then executes the first sun visor operation. The initial state of the sun visor 3 is as follows. Figure 3 As shown, located above the front window 4, the system detects that the sun visor 3 is above the front window 4. The first drive unit 1 does not work, and the second drive unit 2 starts to rotate, rotating the sun visor 3 into the first sunshade area and sending status feedback to the vehicle platform to complete the automatic sunshade operation.

[0029] Example 2, as Figure 7 As shown, the user inside the vehicle speaks the preset voice control command: "Open the side window sunshade." The vehicle's voice system recognizes and understands the command, triggering the second sunshade operation signal. The vehicle platform sends the control command to the first drive unit 1. The first drive unit 1 receives the control command, parses it, and then executes the second sunshade operation. The initial state of the sunshade 3 is as follows: Figure 3As shown, located above the front window 4, the sun visor 3 is detected to be above the front window 4. The first drive unit 1 works, driving the second drive unit 2 to rotate around the first drive unit 1 to above the side window 5. Then the second drive unit 2 starts to rotate, rotating the sun visor 3 into the second sunshade area, and sends status feedback to the vehicle platform to complete the automatic sunshade work.

[0030] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An automatic sunshade device for automobiles, characterized in that: Includes a body (7), the body (7) is connected to a front window (4), a side window (5) and a rearview mirror (6), and a first drive unit (1) is provided at the upper part of the connection between the front window (4) and the side window (5); The output end of the first drive unit (1) is connected to the second drive unit (2), and the output end of the second drive unit (2) is connected to the sunshade (3). The bottom of the sunshade (3) is provided with a rotating shaft, and the rotating shaft is connected to the output end of the second drive unit (2) through a normally open electromagnetic clutch.

2. An automatic sunshade device for automobiles according to claim 1, characterized in that: The rearview mirror (6) integrates several light sensors, including a first light sensor and a second light sensor.

3. An automatic sunshade device for automobiles according to claim 2, characterized in that: The first light sensor is located on the side of the rearview mirror (6) near the side window (5), facing the direction of vehicle travel, to obtain the light intensity of the front window (4) area and mark it as the first light intensity.

4. An automatic sunshade device for automobiles according to claim 3, characterized in that: The second light sensor is located on the side of the rearview mirror (6) away from the side window (5) and facing outward from the side window (5) to obtain the light intensity of the side window (5) area and mark it as the second light intensity.

5. An automatic sunshade device for automobiles according to claim 4, characterized in that: When the first light intensity is greater than the light threshold, the first shading action is triggered. When the second light intensity is greater than the light threshold, the second shading action is triggered. When both the first light intensity and the second light intensity are greater than the light threshold, the first shading action is triggered.

6. An automatic sunshade device for automobiles according to claim 5, characterized in that: The front window (4) is divided into a first shading area and a first viewing area, and the side window (5) is divided into a second shading area and a second viewing area.

7. An automatic sunshade device for automobiles according to claim 6, characterized in that: The first shading operation refers to the first driving unit (1) working in conjunction with the second driving unit (2) to move the shading plate (3) to the first shading area, and the second shading operation refers to the first driving unit (1) working in conjunction with the second driving unit (2) to move the shading plate (3) to the second shading area.

8. An automatic sunshade device for automobiles according to claim 7, characterized in that: The vehicle's infotainment platform's signal acquisition interface is connected to the plurality of light sensors, and the vehicle's infotainment platform's bus communication interface is connected to the first drive unit (1).

9. An automatic sunshade device for automobiles according to claim 8, characterized in that: The vehicle infotainment platform's voice recognition module integrates sunshade control commands.

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