Electric sun shield

Abstract

The utility model discloses an electric sun shield which comprises an electric driving assembly. The electric driving assembly comprises a support fixedly installed in the sun shield body, a gear motor is fixedly installed on the support, an output shaft of the gear motor is connected with a clutch, a movable gear is installed on a main shaft of the clutch, the main shaft of the clutch is rotationally connected with the support, and an angle sensor is installed between the main shaft of the clutch and the support. The rotating shaft penetrates through the support and is fixedly provided with a static gear meshed with the movable gear. A Hall switch is fixedly installed at the position, close to the pin shaft, in the sun shield body, and a magnet is fixedly installed on the hook. A control main board is fixedly installed in the sun shield body, the control main board is connected with the microphone, the Hall element, the gear motor, the angle sensor and the gear motor through internal circuits, and the control main board is connected with the physical keys through an external circuit penetrating through the rotating shaft. The electric sun shield has the advantages of being capable of improving driving safety performance, simple and stable in structure and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile sun visor, especially an electric sun visor. BACKGROUND

[0002] An automobile sun visor will be configured on an automobile, and the automobile sun visor can shield sunlight to prevent the sunlight from dazzling the driver and affecting the safety of driving the automobile. In the process of use, the automobile sun visor can be rotated relative to the rotating shaft installed on the automobile to adjust different sun-shielding angles. A retaining mechanism is installed in the automobile sun visor, which cooperates with the rotating shaft through friction to fix the angle of the automobile sun visor. Therefore, the automobile sun visor currently in use needs to be manually pulled to overcome the friction between the retaining mechanism and the rotating shaft to adjust the angle. If the driver adjusts the sun visor during driving, the driving safety will be affected, and a safety hazard will be caused to driving, SUMMARY

[0003] In view of the above problems of the prior art, the technical problem to be solved by the present application is to provide an electric sun visor which can improve the driving safety performance, has a simple and stable structure, and is easy to use.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] An electric sun visor, comprising a sun visor body, one end of the sun visor body is rotatably installed with a rotating shaft, the rotating shaft is a bent pipe, the rotating shaft penetrates out of the sun visor and rotatably cooperates with a fixed seat, the fixed seat is fixedly installed on a vehicle body sheet metal, a let-in opening is formed in the sun visor body, a pin shaft is fixedly installed in the let-in opening, a hook capable of being hung with the pin shaft is fixedly installed on the vehicle body sheet metal, and the electric sun visor further comprises an electric drive assembly.

[0006] The electric drive assembly comprises a bracket fixedly installed in the sun visor body, a reduction motor is fixedly installed on the bracket, an output shaft of the reduction motor is connected with a clutch, a driving gear is installed on a main shaft of the clutch, the main shaft of the clutch is rotatably connected with the bracket, an angle sensor is installed between the main shaft of the clutch and the bracket, the rotating shaft penetrates through the bracket, and a driven gear meshing with the driving gear is fixedly installed on the rotating shaft; a Hall switch is fixedly installed in the sun visor body close to the pin shaft, a magnet is fixedly installed on the hook; a control mainboard is fixedly installed in the sun visor body, the control mainboard is connected with a microphone, a Hall element, the reduction motor, the angle sensor, and the reduction motor through an internal circuit, the rotating shaft is hollowly arranged, and a physical button is further included, and the control mainboard is connected with the physical button through an external circuit penetrating through the rotating shaft.

[0007] The sun visor body is internally fixedly provided with a micro switch electrically connected with the control main plate through an internal circuit, and the end of the rotating shaft is fixedly provided with a limiting cam capable of abutting against the micro switch.

[0008] The control main plate is electrically connected with the loudspeaker through an internal circuit.

[0009] The control main plate is electrically connected with the cosmetic mirror main plate of the cosmetic mirror lamp system through an internal circuit.

[0010] The bracket comprises two mounting plates oppositely arranged and fixedly connected through a connecting rod.

[0011] In summary, the electric sun visor has the advantages of improving driving safety performance, simple and stable structure and being convenient to use.

[0012] 1. The sun visor can be operated without leaving the steering wheel, thereby increasing driving safety;

[0013] 2. The scheme is compatible with manual and electric operation, does not change the habit of passengers, and makes driving safer;

[0014] 3. The scheme increases the seniority of the automobile and increases the passenger experience satisfaction. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the electric sun visor.

[0016] Figure 2 It is an internal structure schematic view of the electric sun visor. Figure 1

[0017] Figure 3 It is a schematic view of the electric driving assembly.

[0018] Figure 4 It is a B-B sectional view of the electric sun visor. Figure 2 DETAILED DESCRIPTION

[0019] The utility model will be further explained in detail in combination with the drawings. In the description of the utility model, it is understood that the orientation words such as "up, down" and "top, bottom" and the like indicated orientation or position relationship is usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, in the absence of the opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the protection scope of the utility model;The orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0020] As Figures 1-4 ​​As shown, an electric sun visor, including a sun visor body, one end of the sun visor body is rotatably mounted with a rotating shaft 2, the rotating shaft is a bend pipe, the rotating shaft passes through the sun visor and is rotatably matched with a fixed seat 3, the fixed seat is fixedly installed on the vehicle body sheet metal; The sun visor body is provided with a gap, the gap is fixedly installed with a pin shaft, and the vehicle body sheet metal is fixedly installed with a hook 4 capable of being hung with the pin shaft; It also includes an electric drive assembly;

[0021] The electric drive assembly includes a bracket 5 fixedly installed in the sun visor body, a reduction motor 6 fixedly installed on the bracket, an output shaft of the reduction motor connected with a clutch 7, the clutch transmits power according to a fixed torque, and does not transmit power when overloaded, a driving gear 8 installed on the main shaft of the clutch, the main shaft of the clutch rotatably connected with the bracket, an angle sensor 9 installed between the main shaft of the clutch and the bracket for detecting the actual rotation angle of the sun visor, the rotating shaft passing through the bracket and the rotating shaft being fixedly installed with a static gear 10 engaged with the driving gear; A Hall switch 11 is fixedly installed in the sun visor body near the pin shaft, a magnet is fixedly installed on the hook, and the Hall switch senses the magnetic force of the magnet to provide information for the control board to determine whether the sun visor body is separated from the hook; A control board 12 is fixedly installed in the sun visor body for collecting signals, logical operation and issuing instructions, the control board is connected with a microphone 13, a Hall element, a reduction motor, an angle sensor and a reduction motor through an internal circuit, the microphone collects voice information in the vehicle, the rotating shaft is hollowly arranged, and a physical button is further included, the control board is connected with the physical button through an external circuit 14 penetrating the rotating shaft.

[0022] Electric sun visor principle:

[0023] 1. The motor receives electric signals and rotates, and the power is transmitted to the clutch;

[0024] 2. The clutch drives the driving gear to rotate;

[0025] 3. The driving gear transmits power to the static gear;

[0026] 4. The static gear is fixed with the rotating shaft and the fixed seat is fixed to the vehicle body;

[0027] 5. Under the action of the driving gear power, the entire electric mechanism rotates around the rotating shaft, drives the sun visor body to rotate, and realizes the electric flip function of the sun visor.

[0028] The physical button is arranged at the position of the steering wheel or the armrest, and the physical button is provided with two.

[0029] In implementation, the sun visor body is fixedly provided with a micro switch 15 electrically connected with the control mainboard through internal circuit to provide fixed position action signal, and the end of the rotating shaft is fixedly provided with a limit cam 16 capable of abutting against the micro switch. When the sun visor is attached to the ceiling, the limit cam presses the micro switch to generate an electric signal, and the sun visor system angle is reset at this position to prevent the angle control switch from detecting accumulated error and affecting the sun visor rotating position accuracy.

[0030] In implementation, the control mainboard is electrically connected with a loudspeaker 17 through internal circuit to provide sun visor voice information for information exchange with the passenger.

[0031] In implementation, the control mainboard is electrically connected with a makeup mirror lamp system 18 through internal circuit to provide lighting when the makeup mirror is used.

[0032] In implementation, the bracket includes two installation plates arranged opposite to each other and fixedly connected through a connecting rod. The connecting rod supports and fixes the moving parts.

[0033] Overall scheme of the sun visor:

[0034] I. Electric up-down flipping scheme:

[0035] 1. The sun visor control system receives the sun visor action instruction issued by the passenger through physical buttons and a microphone, and the control mainboard supplies power to the speed reducer motor to rotate the speed reducer motor.

[0036] 2. The control system monitors the sun visor body rotating angle to reach the instruction position through the angle sensor, and the control system cuts off the power supply of the speed reducer motor, and the sun visor body hovers at the instruction position.

[0037] 3. In the process of electric up-down flipping, the manual external force acts on the sun visor body, the control system monitors the angle abnormality of the speed reducer motor, and the control system cuts off the power supply of the speed reducer motor to switch to the manual mode.

[0038] 4. In the manual mode, the electric mode can be switched again through physical buttons or voice.

[0039] II. Manual up-down flipping scheme:

[0040] 1. The sun visor body is manually operated, and the speed reducer motor is in cut-off and locked state.

[0041] 2. When the operating force reaches the rated torque of the clutch, the clutch is disengaged, and the sun visor body is manually operated.

[0042] III. Manual side flipping scheme:

[0043] 1. The sun visor body is detached from the hook position, the Hall switch senses the magnetic force change, the control system cuts off the power supply of the speed reducer motor, and the sun visor body system switches to the manual mode.

[0044] 2. The sun visor itself no longer receives button and microphone commands to prevent accidental operation from injuring occupants.

[0045] IV. Electric Tilting Control Logic:

[0046] 1. Button control logic

[0047] a. Click the forward button to open the sun visor to the vertical position;

[0048] b. Press and hold the forward button to continuously rotate the sun visor forward;

[0049] c. Click the backward button to retract the sun visor to the ceiling mount position;

[0050] d. Press and hold the backward button to continuously rotate the sun visor backward.

[0051] 2. Voice control logic

[0052] a. The microphone receives the keyword phrases "Xiao Hua Tongxue" and "sunshade". The control system analyzes the voice and issues action commands to the motor.

[0053] Finally, it should be noted that those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. An electric sun visor, comprising a sun visor body, wherein a rotating shaft is rotatably mounted at one end of the sun visor body, the rotating shaft being a bent tube, the rotating shaft extending through the sun visor and rotatably engaging with a fixed seat, the fixed seat being fixedly mounted on a vehicle body sheet metal; a clearance opening is provided on the sun visor body, a pin is fixedly mounted within the clearance opening, and a hook capable of engaging with the pin is fixedly mounted on the vehicle body sheet metal; characterized in that… It also includes electric drive components; The electric drive assembly includes a bracket fixedly installed inside the sun visor body. A geared motor is fixedly installed on the bracket. The output shaft of the geared motor is connected to a clutch. A moving gear is installed on the main shaft of the clutch. The main shaft of the clutch is rotatably connected to the bracket. An angle sensor is installed between the main shaft of the clutch and the bracket. A rotating shaft passes through the bracket, and a stationary gear that meshes with the moving gear is fixedly installed on the rotating shaft. A Hall switch is fixedly installed inside the sun visor body near the pin shaft. A magnet is fixedly installed on the hook. A control main board is fixedly installed inside the sun visor body. The control main board is connected to the microphone, Hall element, geared motor, angle sensor, and geared motor through an internal circuit. The rotating shaft is hollow and also includes physical buttons. The control main board is connected to the physical buttons through an external circuit passing through the rotating shaft.

2. The electric sunshade according to claim 1, characterized in that, The sunshade body is internally fixedly equipped with a micro switch that is electrically connected to the control main board via an internal circuit, and the end of the rotating shaft is fixedly equipped with a limiting cam that can abut against the micro switch.

3. The electric sunshade according to claim 1, characterized in that, The control board is electrically connected to the speaker via internal circuitry.

4. An electric sunshade according to claim 1, characterized in that, The control motherboard is electrically connected to the makeup mirror motherboard of the makeup mirror light system through internal circuitry.

5. An electric sunshade according to claim 1, characterized in that, The bracket includes two mounting plates facing each other, which are fixedly connected by a connecting rod.

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