Automatic sunshade device for vehicle and control method thereof

Abstract

The present invention relates to an automatic vehicle sunshade device and a control method, wherein the automatic vehicle sunshade device includes a flexible sunshade curtain, a base, a rigid support rod, a spring mechanism, a spring connecting rod, a bobbin drive motor, a roller, a drive rope, a support rod locking mechanism, a reel drive motor, a driving gear, and a gear reel; the upper end of the flexible sunshade curtain is mounted on the gear reel, and the gear reel is driven by the reel drive motor; the rigid support rod is hingedly connected to the base, the spring mechanism is respectively connected to the base and the support rod locking mechanism, and the spring connecting rod is respectively hingedly connected to the support rod locking mechanism and the rigid support rod; the bobbin drive motor retracts the flexible sunshade curtain via the drive rope. This technical solution realizes the automatic deployment of the vehicle sunshade device, which can effectively solve the problem of a sharp increase in temperature inside the vehicle under scorching sun, and also solves the problems of the existing sunshade device being cumbersome to deploy, unintelligent, and unable to be remotely deployed.

Description

Technical Field

[0001] The present invention belongs to the technical field of automobile auxiliary equipment, and in particular relates to an automatic sunshade device for a vehicle and a control method thereof. Background Art

[0002] In the strong summer sunlight environment, the temperature inside the vehicle often rises very high, affecting the driving experience, and the high temperature can damage the vehicle's interior components.

[0003] Most vehicles on the current market use the following solutions to achieve vehicle sunshade:

[0004] Option 1: Use a car cover or awning, manually place sunshade equipment on the outside of the vehicle, and fix it around the vehicle body with hooks and other devices.

[0005] Option 2: Use a sun visor inside the car to block out sunlight. Manually place the sun visor on the front windshield of the vehicle and fix it with a suction cup or other device.

[0006] Existing sunshade solutions are cumbersome and time-consuming to deploy and retract, resulting in a poor user experience. Furthermore, if the owner forgets to place the sunshade and is away from the vehicle, the sunshade will not deploy, causing overheating in the vehicle interior. Summary of the Invention

[0007] The object of the present invention is to provide an automatic vehicle sunshade device and a control method thereof, so as to solve the above-mentioned deficiencies of existing vehicle sunshade devices.

[0008] To achieve the above objectives, this application is implemented through the following technical solutions:

[0009] An automatic sunshade device for a vehicle, comprising a flexible sunshade curtain, a base, a rigid support rod, a spring mechanism, a spring connecting rod, a bobbin drive motor, a roller, a drive rope, a support rod locking mechanism, a reel drive motor, a driving gear, and a gear reel;

[0010] The upper end of the flexible sunshade is mounted on a gear reel, the gear reel is rotatably mounted on the base, one end of the gear reel is provided with a driven gear, the driving gear is connected to the output shaft of the reel drive motor, and the driven gear is meshed with the driving gear;

[0011] One end of the rigid support rod is hingedly connected to the base, a spring mechanism is provided on the base, and one end of the spring mechanism abuts against the base, and the other end is connected to the support rod locking mechanism, the support rod locking mechanism is slidably provided on the base, and the spring connecting rod is hingedly connected to the support rod locking mechanism and the rigid support rod respectively;

[0012] The bobbin drive motor is arranged on the base, and a roller is arranged on the output shaft of the bobbin drive motor. After the drive rope passes through the end of the rigid support rod, one end is connected to the roller and the other end is connected to the flexible sunshade.

[0013] Furthermore, when the rigid support rod is retracted, the spring mechanism is in a compressed state.

[0014] Furthermore, a gear reel locking device is provided on the driven gear.

[0015] Furthermore, the support rod locking mechanism is an electromagnetic control pin.

[0016] Furthermore, it also includes a controller, which is electrically connected to the spool drive motor, the reel drive motor and the support rod locking mechanism respectively, and is electrically connected to the light sensor or the temperature sensor via a CAN bus.

[0017] Furthermore, the automatic sunshade function is turned on or off in the vehicle HMI interactive system.

[0018] A method for controlling an automatic sunshade device for a vehicle comprises the following steps:

[0019] S1, the automatic sunshade function is in the activated state;

[0020] S2. Determine whether the vehicle is stationary. If the vehicle is not stationary, the automatic sunshade function is not controlled. If the vehicle is stationary, proceed to step S3.

[0021] S3, the light sensor and / or the temperature sensor transmits the detection value to the controller through the CAN bus, and the controller determines whether the detection value of the light sensor and / or the temperature sensor exceeds the specified value. If it exceeds the specified value, the controller controls the support rod locking mechanism, the spool drive motor and the reel drive motor to start, and drive the vehicle's automatic sunshade device to open.

[0022] Furthermore, the controller obtains remote control instructions via the CAN bus.

[0023] The beneficial effects of the present invention are:

[0024] This technical solution realizes the automatic deployment of the vehicle sunshade device, which can not only effectively solve the problem of the rapid increase in temperature inside the vehicle under the scorching sun, but also solves the problems of the existing sunshade device being difficult to deploy, unintelligent, and unable to be deployed remotely. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a model diagram of the control system of the present invention.

[0026] Figure 2This is a schematic diagram of the sunshade curtain of the sunshade device of the present invention when it is not unfolded.

[0027] Figure 3 This is a schematic diagram of the rigid support rods of the sunshade device of the present invention.

[0028] Figure 4 This is a schematic diagram of the sunshade curtain of the sunshade device of the present invention being fully unfolded.

[0029] Figure 5 Schematic diagram of the electric drive mechanism of the present invention.

[0030] Figure 6 This is a control logic diagram of the sunshade device of the present invention.

[0031] Figure 7 This is a control logic diagram for remotely opening the sunshade device of the present invention.

[0032] Description of Reference Numerals

[0033] 1. Base; 2. Flexible sunshade; 4. Driven gear; 5. Other end of gear reel; 6. Rigid support rod; 7. Spring connecting rod; 8. Spring mechanism; 9. Spring connecting rod; 13. Rigid support rod; 14. Drive rope; 15. Drive rope; 16. Reel drive motor; 17. Driving gear; 18. Gear reel; 20. Spool drive motor; 22. Roller. DETAILED DESCRIPTION

[0034] The technical solution of the present invention is described in detail below with reference to the accompanying drawings. The following embodiments are merely exemplary and can only be used to explain and illustrate the technical solution of the present invention, and cannot be interpreted as limiting the technical solution of the present invention.

[0035] The present invention provides an automatic vehicle sunshade device that installs electrically foldable sun visors on the front and rear windshields and windows of the vehicle, achieving automatic sunshade through an electric drive and spring mechanism. A rigid support structure is used to accommodate shading on inclined surfaces (front and rear windshields). Data from the vehicle's sunlight sensor, temperature sensor, and rain sensor are connected via the CAN bus. When the vehicle is stationary and strong sunlight requires sunshade, the device automatically triggers the sunshade. Furthermore, the electric sunshade device can be remotely controlled based on the vehicle networking function.

[0036] like Figure 1 The figure shows the control system model of the vehicle automatic sunshade device of the present invention. The automatic sunshade device obtains data through the vehicle CAN bus and sensors, and controls the mechanical system through the motor and electromagnetic mechanism.

[0037] like Figures 2 to 5As shown, the present application provides an automatic sunshade device for a vehicle, including a flexible sunshade curtain 2, a base 1, rigid support rods 6 and 13, a spring mechanism 8, spring connecting rods 7 and 9, a spool drive motor 20, a roller 22, a drive rope 15, a support rod locking mechanism, a reel drive motor 16, a driving gear 17 and a gear reel 18.

[0038] The base 1 of the present application is fixed to the vehicle body above the window. A gear reel 18 is provided inside the base 1, and a driven gear 4 is provided at one end of the gear reel. A reel drive motor 16 is fixed to one end of the gear reel inside the base. A driving gear 17 is connected to the output end of the reel drive motor. The driving gear 17 meshes with the driven gear 4 to retract the flexible sunshade 2. A gear reel locking device is provided on the driven gear. When the flexible sunshade is retracted into place, the gear reel is locked, and the spool drive motor 20 continues to retract the drive rope 15.

[0039] One end of the rigid support rods 6 and 13 is hingedly connected to the base 1, and the spring mechanism 8 is arranged on the base, and one end of the spring mechanism is in contact with the base, and the other end is connected to the support rod locking mechanism. The support rod locking mechanism is slidably arranged on the base, and the spring links 7 and 9 are respectively hingedly connected to the support rod locking mechanism and the rigid support rod.

[0040] The bobbin drive motor 20 is arranged on the base, and a roller 22 is provided on the output shaft of the bobbin drive motor. After the drive rope passes through the end of the rigid support rod, one end is connected to the roller and the other end is connected to the flexible sunshade.

[0041] When the rigid support rod is in the initial retracted position, the support rod driving spring is compressed. After releasing the support rod locking mechanism (the support rod locking mechanism of this application is an electromagnetic control pin), the driving spring pushes the spring connecting rod forward to unfold the rigid support rod.

[0042] like Figure 3 As shown, after the sunshade opening function is triggered, the spring mechanism 8 is released, and the rigid support rods 6 and 13 are unfolded to the position shown in Figure 3 under the action of the spring link. After that, the spool motor drives the winding roller, the roller drives the driving rope, and the driving rope pulls the sunshade to rise slowly. Figure 4 This is the effect after the sunshade is unfolded.

[0043] like Figure 5As shown, the drive cord is rigidly connected to the front of the flexible sunshade. ① Sunshade deployment: After the rigid support rod moves to the specified position via the spring mechanism, the support rod position is locked. The spool drive motor drives the drive cord via the drive spool, which in turn drives the sunshade. ② Rigid support rod retraction: After the sunshade is retracted, the gear reel position is locked, and the support rod locking mechanism is released. The spool drive motor drives the drive cord via the drive spool, which in turn drives the support rod back, causing the support rod to retract and the spring mechanism to compress.

[0044] The controller (not shown in the figure) is electrically connected to the spool drive motor, the reel drive motor and the support rod locking mechanism respectively, and the controller is electrically connected to the light sensor or the temperature sensor via the CAN bus.

[0045] The user can turn the automatic sunshade function on or off through the vehicle's HMI interface. When the function is enabled and the vehicle is stationary (ACC OFF), the automatic sunshade function is triggered when sunlight or temperature rises to a software-defined threshold, providing automatic sunshade protection.

[0046] like Figure 6 and Figure 7 As shown, the present application also provides a control method for a vehicle automatic sunshade device, comprising the following steps:

[0047] S1. The automatic sunshade function is in the activated state.

[0048] S2. Determine whether the vehicle is stationary. If the vehicle is not stationary, the automatic sunshade function is not controlled. If the vehicle is stationary, proceed to step S3.

[0049] S3, the light sensor and / or the temperature sensor transmits the detection value to the controller through the CAN bus, and the controller determines whether the detection value of the light sensor and / or the temperature sensor exceeds the specified value. If it exceeds the specified value, the controller controls the support rod locking mechanism, the spool drive motor and the reel drive motor to start, and drive the vehicle's automatic sunshade device to open.

[0050] The automatic sunshade software includes an external control interface that receives control commands via the vehicle's CAN bus. When the vehicle is in the ACC OFF state, it allows remote control to open the sunshade. If the vehicle is in the ACC ON state, the sunshade cannot be controlled, ensuring driving safety.

[0051] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A vehicle automatic sunshade device, characterized in that: It includes a flexible sunshade, a base, a rigid support rod, a spring mechanism, a spring connecting rod, a spool drive motor, a roller, a drive rope, a support rod locking mechanism, a reel drive motor, a driving gear and a gear reel; The upper end of the flexible sunshade is mounted on a gear reel, the gear reel is rotatably mounted on the base, one end of the gear reel is provided with a driven gear, the driving gear is connected to the output shaft of the reel drive motor, and the driven gear is meshed with the driving gear; One end of the rigid support rod is hingedly connected to the base, a spring mechanism is provided on the base, and one end of the spring mechanism abuts against the base, and the other end is connected to the support rod locking mechanism, the support rod locking mechanism is slidably provided on the base, and the spring connecting rod is hingedly connected to the support rod locking mechanism and the rigid support rod respectively; The spool drive motor is arranged on the base, and a roller is arranged on the output shaft of the spool drive motor. After the drive rope passes through the end of the rigid support rod, one end is connected to the roller and the other end is connected to the flexible sunshade curtain; A gear reel locking device is provided on the driven gear; The support rod locking mechanism is an electromagnetic control pin.

2. The vehicle automatic sunshade device according to claim 1, characterized in that: When the rigid support rod is retracted, the spring mechanism is in a compressed state.

3. The vehicle automatic sunshade device according to claim 1, characterized in that: It also includes a controller, which is electrically connected to the spool drive motor, the reel drive motor and the support rod locking mechanism respectively, and is electrically connected to the light sensor or the temperature sensor via a CAN bus.

4. The vehicle automatic sunshade device according to claim 1, characterized in that: Turn the automatic sunshade function on or off in the vehicle's HMI interactive system.

5. A method for controlling an automatic sunshade device for a vehicle, using the automatic sunshade device for a vehicle according to any one of claims 1 to 4, characterized in that: The following steps are involved: S1, the automatic sunshade function is in the activated state; S2. Determine whether the vehicle is stationary. If the vehicle is not stationary, the automatic sunshade function is not controlled. If the vehicle is stationary, proceed to step S3. S3, the light sensor and / or the temperature sensor transmits the detection value to the controller through the CAN bus, and the controller determines whether the detection value of the light sensor and / or the temperature sensor exceeds the specified value. If it exceeds the specified value, the controller controls the support rod locking mechanism, the spool drive motor and the reel drive motor to start, and drive the vehicle's automatic sunshade device to open.

6. The control method of the vehicle automatic sunshade device according to claim 5, characterized in that: The controller obtains remote control instructions through the CAN bus.

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