CN119459272A - Electric sun visor - Google Patents

Abstract

The invention discloses an electric sun shield, which comprises an electric drive assembly, wherein the electric drive assembly comprises a support fixedly arranged in a sun shield body, a speed reducing motor is fixedly arranged on the support, an output shaft of the speed reducing motor is connected with a clutch, a main shaft of the clutch is provided with a movable gear, the main shaft of the clutch is rotationally connected with the support, an angle sensor is arranged between the main shaft of the clutch and the support, a rotating shaft penetrates through the support and is fixedly provided with a static gear meshed with the movable gear, a Hall switch is fixedly arranged at a position, close to a pin shaft, in the sun shield body, a magnet is fixedly arranged on a hook, a control main board is fixedly arranged in the sun shield body, the control main board is connected with a microphone, a Hall element, the speed reducing motor, the angle sensor and the speed reducing motor through internal circuits, and the control main board is connected with a physical key through an external circuit penetrating through the rotating shaft. This electronic sunshading board has can improve driving safety performance, and simple structure is stable, convenient to use's advantage.

Description

Electric sun shield

Technical Field

The invention relates to the technical field of automobile sun visors, in particular to an electric sun visor.

Background

Automobile sun shield plates are arranged on the automobile and can shield sunlight, so that the driver is prevented from being dazzled by the sunlight, and the driving safety of the automobile is affected. In the use, car sun visor board can rotate for installing the pivot on the car to adjust different sunshade angles, install hold mechanism in car sun visor board, it cooperates with the pivot through frictional force, and then fixes car sun visor board's angle. Therefore, when the angle of the currently used automobile sun shield is adjusted, the sun shield needs to be manually pulled to overcome the friction force between the retaining mechanism and the rotating shaft for adjustment, so that the driving safety is influenced when a driver adjusts the sun shield in the driving process, the potential safety hazard is brought to the driving,

Disclosure of Invention

To the not enough of above-mentioned prior art, the technical problem that this patent application will solve is how to provide one kind and can improve driving security performance, and simple structure is stable, convenient to use's electronic sunshading board.

In order to solve the technical problems, the invention adopts the following technical scheme:

The electric sun shield comprises a sun shield body, an abdication opening, an electric driving assembly and a power supply, wherein one end of the sun shield body is rotatably provided with a rotating shaft, the rotating shaft is an elbow, the rotating shaft penetrates out of the sun shield and is in rotating fit with a fixed seat, and the fixed seat is fixedly arranged on a metal plate of a vehicle body;

The electric drive assembly comprises a support fixedly arranged in a sunshade plate body, a gear motor is fixedly arranged on the support, an output shaft of the gear motor is connected with a clutch, a main shaft of the clutch is provided with a movable gear, the main shaft of the clutch is rotationally connected with the support, an angle sensor is arranged between the main shaft of the clutch and the support, a rotating shaft penetrates through the support and is fixedly provided with a static gear meshed with the movable gear, a Hall switch is fixedly arranged at a position, close to a pin shaft, in the sunshade plate body, a magnet is fixedly arranged on a hook, a control main board is fixedly arranged in the sunshade plate 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, the rotating shaft is arranged in a hollow mode, and the electric drive assembly further comprises a physical key, and the control main board is connected with the physical key through an external circuit penetrating through the rotating shaft.

The sunshade plate comprises a sunshade plate body, wherein a micro switch electrically connected with a control main board through an internal circuit is fixedly arranged in the sunshade plate body, and a limit cam which can be abutted with the micro switch is fixedly arranged at the end part of the rotating shaft.

Wherein, control mainboard passes through internal circuit and is connected with the speaker electricity.

Wherein, the control mainboard is connected with the vanity mirror mainboard electricity of vanity mirror lamp system through internal circuit.

The support comprises two mounting plates which are arranged opposite to each other, and the mounting plates are fixedly connected through a connecting rod.

To sum up, this electronic sunshading board has can improve driving security performance, and simple structure is stable, convenient to use's advantage. The specific effects are as follows:

1. The sun visor can be operated without leaving the steering wheel, so that the driving safety is improved;

2. the scheme is compatible with manual and electric operation, does not change the habit of passengers, and ensures that driving is safer;

3. The automobile high-grade feeling is increased, and the passenger experience satisfaction is increased.

Drawings

Fig. 1 is a schematic structural view of an electric sun visor according to the present invention.

Fig. 2 is a schematic diagram of the internal structure of fig. 1.

Fig. 3 is a schematic view of an electric drive assembly.

Fig. 4 is a B-B cross-sectional view of fig. 2.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the azimuth or positional relationship indicated by azimuth words such as "upper, lower" and "top, bottom", etc. are generally based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and these azimuth words do not indicate or imply that the device or element to be referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention, and that the azimuth words "inside and outside" refer to inside and outside with respect to the outline of each component itself.

1-4, An electric sun shield comprises a sun shield body, wherein one end of the sun shield body is rotatably provided with a rotating shaft 2, the rotating shaft is an elbow, the rotating shaft penetrates out of the sun shield and is in rotating fit with a fixed seat 3, and the fixed seat is fixedly arranged on a metal plate of a vehicle body;

The electric drive assembly comprises a support 5 fixedly arranged in a sunshade plate body, a speed reducing motor 6 is fixedly arranged on the support, an output shaft of the speed reducing motor is connected with a clutch 7, the clutch transmits power according to fixed torsion, the clutch slides in an overload mode and does not transmit power, a movable gear 8 is arranged on a main shaft of the clutch, the main shaft of the clutch is rotationally connected with the support, an angle sensor 9 is arranged between the main shaft of the clutch and the support and used for detecting the actual rotation angle of the sunshade plate, a static gear 10 meshed with the movable gear is fixedly arranged on a rotating shaft, a Hall switch 11 is fixedly arranged at the position, close to a pin shaft, in the sunshade plate body, a magnet is fixedly arranged on a hook, the Hall switch senses the magnetic force of the magnet and provides information for judging that the sunshade plate body is separated from the hook, a control main plate 12 is fixedly arranged in the sunshade plate body and used for collecting signals and carrying out logic operation, the control main plate is connected with a microphone 13, a speed reducing motor, the angle sensor and the speed reducing motor are connected with the support through an internal circuit, the microphone is used for collecting voice information in the car, the hollow key is arranged, and the electric drive assembly also comprises a control key 14 and a physical key which is connected with the rotating shaft through an external connection circuit.

Sun shield electric principle:

1. the motor receives the electric signal to rotate, and the power is transmitted to the clutch;

2. the clutch drives the movable gear to rotate;

3. The dynamic gear transmits power to the static gear;

4. the static gear is fixed with the rotating shaft, and the fixed seat is fixed on the vehicle body;

5. Under the power reaction of the moving gear, the whole electric mechanism rotates around the rotating shaft to drive the sun shield body to rotate, so that the electric overturning function of the sun shield is realized.

The physical button sets up in steering wheel or handrail position, and the physical button is provided with 2.

In the implementation, the micro switch 15 which is electrically connected with the control main board through an internal circuit is fixedly arranged in the sun shield body to provide a fixed position action signal, and the limit cam 16 which can be abutted with the micro switch is fixedly arranged at the end part of the rotating shaft. The sunshade board is attached to the ceiling, the limit cam extrudes the micro switch to generate an electric signal, the angle of the sunshade board system is zeroed at the position, and the accumulated error is prevented from being detected by the angle control switch, so that the precision of the rotating position of the sunshade board is influenced.

In practice, the control main board is electrically connected with the speaker 17 through an internal circuit to provide voice information of the sun visor board and exchange information with passengers.

In operation, the control board is electrically connected to the vanity mirror board of the vanity mirror lamp system 18 via internal circuitry to provide illumination when the vanity mirror is in use.

When the support is implemented, the support comprises two mounting plates which are arranged opposite to each other, and the mounting plates are fixedly connected through the connecting rod. And supporting and fixing the moving parts.

The whole scheme of sunshading board:

1. an electric up-down overturning scheme is as follows:

1. the sun shield control system receives a sun shield action instruction sent by an occupant through a physical button and a microphone, and controls the main board to electrify the gear motor, and the gear motor rotates;

2. the control system monitors that the rotation angle of the sun shield body reaches the instruction position through the angle sensor, cuts off the power of the speed reducing motor, and the sun shield body hovers to the instruction position;

3. In the process of decelerating and electric up-down overturning, manual equal external force acts on the sun shield body, a control system monitors the angle abnormality of a decelerating motor, and the decelerating motor is powered off and is switched to a manual mode;

4. in manual mode, the electric mode can be switched again by physical buttons or voice.

2. Manual up-down turning scheme:

1. manually operating the sun shield body, and powering off and locking the gear motor;

2. When the operating force reaches the rated torque of the clutch, the clutch is disengaged, and the sun shield body is manually operated.

3. Manual rollover scheme:

1. the sun shield body is pulled out from the hook position, the Hall switch senses magnetic force change, the control system cuts off the power of the gear motor, and the sun shield body system is switched to a manual mode.

2. The sun shield body does not receive the button and microphone instructions any more, and the damage of misoperation to passengers is prevented.

4. Electric overturn control logic:

1. Key control logic

A. clicking a forward key, and opening the sun shield to a vertical state;

b. long-press forward button, sunshading board continuously rotates forward;

c. Clicking a backward button, and recovering the sunshading board to a ceiling state;

d. the sun shield continuously rotates backwards by long-pressing the backward key.

2. Speech control logic

A. the microphone receives key word groups including 'xiao Hua classmates' and 'sunshading board', and the control system analyzes the voice and sends action instructions to the motor.

Finally, it should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (5)

1. The electric sun shield comprises a sun shield body, wherein one end of the sun shield body is rotatably provided with a rotating shaft, the rotating shaft is an elbow, the rotating shaft penetrates out of the sun shield and is in rotating fit with a fixed seat, and the fixed seat is fixedly arranged on a metal plate of a vehicle body;

The electric drive assembly comprises a support fixedly arranged in a sunshade plate body, a gear motor is fixedly arranged on the support, an output shaft of the gear motor is connected with a clutch, a main shaft of the clutch is provided with a movable gear, the main shaft of the clutch is rotationally connected with the support, an angle sensor is arranged between the main shaft of the clutch and the support, a rotating shaft penetrates through the support and is fixedly provided with a static gear meshed with the movable gear, a Hall switch is fixedly arranged at a position, close to a pin shaft, in the sunshade plate body, a magnet is fixedly arranged on a hook, a control main board is fixedly arranged in the sunshade plate 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, the rotating shaft is arranged in a hollow mode, and the electric drive assembly further comprises a physical key, and the control main board is connected with the physical key through an external circuit penetrating through the rotating shaft.

2. The electric sun visor of claim 1, wherein a micro switch electrically connected with the control main board through an internal circuit is fixedly installed in the sun visor body, and a limit cam capable of being abutted with the micro switch is fixedly installed at the end part of the rotating shaft.

3. The motorized visor of claim 1 wherein the control board is electrically connected to the speaker through an internal circuit.

4. The motorized visor of claim 1 wherein the control board is electrically connected to a vanity mirror board of a vanity mirror lamp system via an internal circuit.

5. An electrically operated sun visor according to claim 1 wherein said support comprises two mounting plates disposed in opposed relation, said mounting plates being fixedly connected by a connecting rod.