TWI736090B - Steering wheel device, automobile and automobile control method based on the steering wheel device - Google Patents

Abstract

The invention discloses a steering wheel device including a steering wheel, a touch unit and a controller. The touch unit is provided on the steering wheel, and the touch unit is provided with an effective touch area capable of adjusting position. The effective touch area is configured for receiving touch operations, generating touch instructions to controlling vehicle components, and sending the touch instructions to the controller. The controller is communicatively connected with the touch unit and the vehicle components, and the controller is configured for receiving the touch instructions and controlling the vehicle components. The controller is further configured for setting the position of the effective touch area according to gesture of the user holding the steering wheel. The invention also discloses an automobile and an automobile control method based on the steering wheel device. The present invention enables users to more conveniently control vehicle components.

Description

Steering wheel device, automobile and automobile control method based on steering wheel device

The present invention relates to the field of automobile technology, in particular to a steering wheel device, an automobile and an automobile control method based on the steering wheel device.

Driving is a behavior that occurs frequently during daily commuting or holiday travel. With the increasing number of cars on urban roads, safe driving is not only a respect for one's own life, but also a respect for the lives of others. Of course, some car owners perform dangerous driving due to fatigue or carelessness, such as not turning on the turn signal when turning, and not looking at the rearview mirror when driving, which will threaten the lives of vehicles or passers-by behind them.

In view of this, it is necessary to provide a steering wheel device, a car, and a car control method based on the steering wheel device that can drive safely to solve the above-mentioned problems.

The first aspect of the present invention provides a steering wheel device applied to a car. The steering wheel device includes a steering wheel, the steering wheel device further includes a touch unit and a controller provided on the steering wheel, and the touch unit is provided with An effective touch area capable of position adjustment, the effective touch area being used for receiving touch operations and generating touch commands for controlling vehicle components, and sending the touch commands to the controller, the The controller is respectively communicatively connected with the touch unit and the on-board component, so The controller is used for receiving the touch command and controlling the on-board component, and the controller is also used for setting the position of the effective touch area according to a user's gesture of holding the steering wheel.

Preferably, the vehicle-mounted component includes one or more of a turn signal, a low beam, a high beam, and a player.

Preferably, the vehicle-mounted component is a turn signal, and the steering wheel device further includes an angular motion sensor which is provided on the steering wheel and is used to sense the direction of rotation and the steering angle of the steering wheel The controller is respectively communicatively connected with the angular motion sensor and the steering lamp of the automobile; the controller can be based on the rotation direction and steering of the steering wheel sensed by the angular motion sensor received The angle controls the turn on of the turn signal in the corresponding direction.

The second aspect of the present invention provides an automobile including a vehicle body and a central control system. The automobile further includes the above-mentioned steering wheel device, which is installed on the vehicle body and is communicatively connected with the central control system.

Preferably, the automobile further includes an environment detection unit, which is installed on the outside of the automobile and is in communication with the central control system, and the environment detection unit is used to detect the automobile alarm. Set the environmental data within the scope.

Preferably, the environment detection unit includes an image acquisition unit and an induction radar, the image acquisition unit is used to collect image information behind the car, and the induction radar is used to sense a preset range of the car The person or thing within.

Preferably, the car further includes a prompt unit, which is provided in the car and is in communication with the central control system. The central control system receives the environmental data and determines whether there is an abnormality. When abnormal, a prompt control signal is sent to the prompt unit, so that the prompt unit sends out corresponding prompt information.

The third aspect of the present invention provides a method for controlling a car based on a steering wheel device, the steering wheel device includes a steering wheel, a touch unit and a controller provided on the steering wheel, and the method includes The steps are as follows: the controller sets the effective touch area according to the user's gesture of holding the steering wheel; the touch unit receives the user's touch operation to turn on the turn signal and generates a corresponding touch command, The touch command is sent to the controller; the controller controls the turn signal in the corresponding direction to turn on according to the touch command.

Preferably, the steering wheel device further includes an angular motion sensor arranged on the steering wheel, and after the step of controlling the turn signal in the corresponding direction by the controller to turn on according to the touch command, the method further It includes: the angular motion sensor senses the direction of rotation and the steering angle of the steering wheel; the controller determines whether the steering angle is greater than a first preset value; when the steering angle is greater than the first preset Value, the controller determines whether the turn signal corresponding to the direction of rotation is turned on; when it is determined that the turn signal is not turned on, the controller controls the turn signal corresponding to the direction of rotation of the steering wheel to turn on.

Preferably, when the angular motion sensor senses the rotation direction and steering angle of the steering wheel, the controller also determines whether the steering angle is greater than a second preset value, and when the steering angle is greater than a second preset value, When the value is set, the controller suspends the touch function of the effective touch area; when the angular motion senses that the steering angle is less than or equal to a second preset value, the controller is based on the user's grip The gesture of the steering wheel and the value of the steering angle adjust the position of the effective touch area.

Preferably, the number of the effective touch areas is two and respectively correspond to the left and right hands holding the steering wheel. When the user holds the steering wheel with the left and right hands for turning, the controller controls the two effective touch areas. The control area does not perform position adjustment; when the user holds the steering wheel with the left hand for steering, the controller controls the effective touch area corresponding to the right hand to rotate and rotate on the steering wheel in the opposite direction of the steering wheel rotation. The steering wheel has the same rotation angle; when the user holds the steering wheel with the right hand for steering, the controller controls the effective touch area corresponding to the left hand to rotate on the steering wheel in the opposite direction of the steering wheel rotation The same angle of rotation as the steering wheel.

Preferably, the automobile further includes an environment detection unit and a prompt unit, and after the controller controls the turning on of the turn signal corresponding to the direction of rotation of the steering wheel, the method further includes: The environmental detection unit detects environmental data within a predetermined range of the car, and sends the environmental data to a central control system; the central control system generates a control signal according to the environmental data, and sends the control signal to The prompt unit, so that the prompt unit sends out prompt information.

In the above-mentioned steering wheel device, automobile, and automobile control method based on the steering wheel device, the effective touch area can receive the user's touch operation and generate the touch command for controlling the vehicle components, and send the touch command to the controller to control The device receives touch commands and controls the vehicle components, and the effective touch area can be adjusted according to the user's gestures on the steering wheel, so that the user can control the vehicle components more conveniently.

10: car

100: car body

200: steering wheel device

210: steering wheel

220: angular motion sensor

230: touch unit

231: effective touch area

240: Controller

300: Turn signal

400: Environmental detection unit

410: Image acquisition unit

420: induction radar

500: prompt unit

510: Sound Module

520: Vibration module

530: Image projection module

540: Brake control module

600: Central control system

ß: angle

FIG. 1 is a schematic diagram of a three-dimensional structure of an automobile in an embodiment of the present invention.

FIG. 2 is a schematic diagram of the hardware architecture of a car in an embodiment of the present invention.

FIG. 3 is a schematic diagram of the hardware architecture of the steering wheel device in FIG. 1.

4 is a flowchart of a method for controlling a car based on a steering wheel device in an embodiment of the present invention.

FIG. 5 is a schematic diagram of the position of the effective touch area on the steering wheel when the car is driving straight in an embodiment of the present invention.

6 is a schematic diagram of the position of the effective touch area when the user uses the first gesture to hold the steering wheel to turn left in an embodiment of the present invention.

FIG. 7 is a schematic diagram of the position of the effective touch area when the user uses the second gesture to hold the steering wheel to turn left in an embodiment of the present invention.

8 is a schematic diagram of the position of the effective touch area when the user uses the third gesture to hold the steering wheel to turn left in an embodiment of the present invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to another element or a centrally arranged element may also exist at the same time. When an element is considered to be "disposed on" another element, it can be directly disposed on another element or a centrally disposed element may also exist at the same time.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention. The terminology used in the description of the present invention herein is only for the purpose of describing specific embodiments, and is not intended to limit the present invention. The term "and/or" as used herein includes any and all combinations of one or more related listed items.

1 and 2, in a preferred embodiment of the present invention, a car 10 is provided. The car 10 includes a car body 100, a steering wheel device 200, a turn signal 300, an environment detection unit 400, a prompt unit 500, and a central control unit. System 600.

Specifically, the steering wheel device 200 is installed in the vehicle body 100. The environment detection unit 400 is installed on the outside of the vehicle body 100, and the environment detection unit 400 is used to detect environmental data within a preset range of the vehicle 10. The prompt unit 500 is installed on the inner side of the vehicle body 100, and the prompt unit 500 is used to send prompt information to the user. The central control system 600 communicates with the steering wheel device 200, the turn signal 300, the environment detection unit 400, and the prompt unit 50, respectively.

Please also refer to FIG. 3, the steering wheel device 200 includes a steering wheel 210, an angular motion sensor 220, a touch unit 230 and a controller 240. The controller 240 is respectively communicatively connected with the angular motion sensor 220, the touch unit 230, and the turn signal 300.

Specifically, the angular motion sensor 220 is installed on the steering wheel 210. The angular motion sensor 220 is used to sense the rotation direction and the steering angle of the steering wheel 210 when the car 10 is turning. When the car 10 turns, the angular motion sensor 220 installed on the steering wheel 210 can sense the rotation direction and the steering angle of the steering wheel 210, and then the controller 240 senses the steering wheel 210 according to the received angular motion sensor 220 The direction of rotation controls the turning on of the turn signal 300 in the corresponding direction. In this embodiment, the angular motion sensor 220 is a gyroscope.

The touch unit 230 is provided on the outer side of the steering wheel 210. The touch unit 230 is used to receive touch operations and generate touch commands for controlling the vehicle components, and send the touch commands to the controller 240.

For example, the touch unit 230 generates a touch command for controlling turning on the turn signal 300 according to the user's touch operation to turn on the turn signal 300, and sends the touch command to the controller 240, and the controller 240 responds to the touch command The turn signal 300 is controlled to turn on. In this embodiment, the vehicle-mounted components include, but are not limited to, the left turn signal, the right turn signal, the low beam, the high beam, and the player.

Further, the touch unit 230 is provided with an effective touch area 231 that is set according to the user's gesture of holding the steering wheel 210, and the effective touch area 231 can be changed according to the user's gesture of holding the steering wheel 210 when the car 10 is turning. The value of the steering angle is adjusted accordingly, so that the user can hold the steering wheel 210 more comfortably.

In at least one embodiment, the touch unit 230 is a flexible touch panel. The touch unit 230 includes switching function modules such as low beam, high beam, left turn signal, right turn signal, and volume adjustment. The switching function module can perform corresponding function switching according to the change of the gesture. For example, the default is to control the car lights, receiving a left or right gesture to turn on the left or right turn signal; forward or backward gestures to turn on the high beam or low beam; when switching to the audio control function, according to The set gesture can be used for volume adjustment.

In this embodiment, the controller 240 is in communication connection with the central control system 600. It can be understood that, in other implementation manners, the controller 240 may be omitted, and the central control system 600 may perform the processing operations of the controller 240.

The environment detection unit 400 includes an image acquisition unit 410 and an induction radar 420.

The image capture unit 410 is used to capture image information behind the car 10.

The induction radar 420 is used to sense people or objects within a preset range of the automobile 10.

In this embodiment, the image acquisition unit 410 is a camera, and the camera is installed at the rear of the car 10. On the sight glass.

The prompt unit 500 includes a sound module 510, a vibration module 520, an image projection module 530, and a brake control module 540.

Specifically, the sound module 510 is used to give voice prompts to the user.

The vibration module 520 is used to send a vibration prompt to the user.

The image projection module 530 is used for projecting an image behind the car 10 to send an image projection prompt to the user.

The brake control module 540 is used to electrically connect with the brake system of the automobile 10 and prompt the user by controlling the brake.

When the environment within the preset range of the car 10 is abnormal, the central control system 600 sends a prompt control signal to the prompt unit 500 so that the prompt unit 500 sends prompt information of sound, vibration, image projection or braking to the user.

In at least one embodiment, the sound module 510 is a speaker. The vibration module 520 is a vibrating stick. The image projection module 530 is a projector.

Referring to FIG. 4, an embodiment of the present invention provides a flow chart of a method for controlling a car based on a steering wheel device 200, which includes the following steps:

Step S21: The controller 240 sets the effective touch area 231 of the touch unit 230 according to the user's gesture of holding the steering wheel 210.

Specifically, the number of effective touch areas 231 is two, and the two effective touch areas 231 respectively correspond to the left and right hands of the user.

Step S22: the touch unit 230 receives the touch operation of the user to turn on the turn signal 300, generates a corresponding touch command, and sends the touch command to the controller 240.

Specifically, when the car 10 starts and turns, the user inputs an operation to turn on the turn signal 300 of the direction to be turned on the effective touch area 231 of the touch unit 230, and the touch unit 230 generates the turn on according to the user's touch operation. The touch command of the turn lamp 300 to be turned is sent to the controller 240.

In at least one embodiment, after the car 10 is started and before it starts to turn, it can be The steering wheel 210 is calibrated, and the driver's identity is verified based on the stored data.

Step S23: The controller 240 controls the turn signal 300 in the corresponding direction to turn on according to the touch command.

Specifically, the controller 240 receives the touch command and sends the turn signal 300 on signal to the turn signal 300 according to the touch command to turn on the turn signal 300.

Step S24: The angular motion sensor 220 senses the rotation direction and the steering angle of the steering wheel 210 when the car 10 is turning.

Specifically, the angular motion sensor 220 is a gyroscope, which can be used to sense the rotation direction and steering angle of the steering wheel 210.

Step S25: The controller 240 determines whether the steering angle is greater than a first preset value.

The first preset value is used to determine whether the car 10 should turn, and the first preset value can be set according to requirements, for example, 5 degrees.

If not, the steering angle is less than the first preset value, and step S24 is entered.

If yes, the steering angle is greater than the first preset value, and step S26 is entered: the controller 240 determines whether the steering lamp 300 corresponding to the direction of rotation of the steering wheel 210 is turned on.

If yes, the turn signal 300 has been turned on, and step S28 is entered.

If not, proceed to step S27: the controller 240 controls the turn signal 300 corresponding to the direction of rotation of the steering wheel 210 to turn on. And go to step S28.

Specifically, setting the first preset value and entering step 21 when the steering angle is less than the first preset value can effectively prevent the situation that the steering wheel 210 is slightly rotated during driving and the turn signal 300 is automatically turned on.

It can be understood that the first preset value can be specifically set according to implementation needs.

Step S28: The environment detection unit 400 detects environment data within a preset range of the car 10, and sends the environment data to the central control system 600.

Specifically, the image collection unit 410 collects image information behind the car 10 and the induction radar 420 senses people or objects within a preset range of the car 10.

Step S29: The central control system 600 generates a control signal according to the environmental data, and sends the control signal to the prompt unit 500, so that the prompt unit 500 sends out prompt information.

The prompt unit 500 receives the prompt control signal sent by the central control system 600 according to the environmental data, and Send the corresponding reminder information to the user.

Specifically, the central control system 600 analyzes and processes the image information behind the car 10 and people or objects within a preset range of the car 10.

When the image information behind the car 10 and the people or objects within the preset range of the car 10 are abnormal, that is, when the people or objects within the preset range of the car 10 affect the safe driving of the car 10, the central control system 600 A prompt control signal is generated, and the prompt unit 500 receives the prompt control signal and sends prompt information to the user. The prompt information includes one or more of sound, vibration, image projection, and braking.

Further, when the angular motion sensor 220 senses the rotation direction and the steering angle of the steering wheel 210, the method further includes step S30: the controller 240 determines whether the steering angle is greater than the second preset value.

Specifically, the controller 240 receives the steering angle of the steering wheel 210 sensed by the angular motion sensor 220, and determines whether the steering angle is greater than the second preset value.

It can be understood that the second preset value is greater than or equal to the first preset value, and the second preset value can be set by itself according to actual conditions. Such as 180°, 210°, etc.

When the steering angle is greater than the second preset value, step S31 is entered: the controller 240 suspends the touch function of the effective touch area 231, so as to avoid activating unnecessary functions due to accidental touches, which may even cause troubles for driving behind. Misjudgment.

When the steering angle is less than or equal to the second preset value, step S32 is entered to adjust the position of the effective touch area 231 by the user's gesture of holding the steering wheel 210 and the value of the steering angle.

Specifically, when the user holds the steering wheel 210 with left and right hands to turn, the controller 240 does not perform position adjustment on the two effective touch areas 231.

When the user holds the steering wheel 210 with the left hand to turn, the controller 240 controls the effective touch area 231 corresponding to the right hand to rotate on the steering wheel 210 in the opposite direction to the rotation of the steering wheel 210 by the same rotation angle as the steering wheel 210.

When the user holds the steering wheel 210 with the right hand for steering, the controller 240 controls the effective touch area 231 corresponding to the left hand to rotate on the steering wheel 210 in the opposite direction to the rotation of the steering wheel 210 by the same rotation angle as the steering wheel 210.

For example, see Figure 5 to Figure 8. 5 is a schematic diagram of the first position of the effective touch area 231 on the steering wheel 210 when the car 10 is driving straight in an embodiment of the present invention. 6 is a schematic diagram of the position of the effective touch area 231 when the user uses the first gesture to hold the steering wheel 210 and turn left in an embodiment of the present invention. FIG. 7 is a diagram of adjusting the position of the effective touch area 231 when the user uses the second gesture to hold the steering wheel 210 and turn left in an embodiment of the present invention. FIG. 8 is a diagram of adjusting the position of the effective touch area 231 when the user uses the first gesture to hold the steering wheel 210 and turn left in an embodiment of the present invention. The first gesture is holding the steering wheel 210 with both hands, the second gesture is holding the steering wheel 210 with the left hand, and the third gesture is holding the steering wheel with the right hand.

As shown in FIG. 5, the car 10 is in a straight driving state or not started. At this time, the left and right hands are placed symmetrically on opposite sides of the steering wheel 210, and the two effective touch areas 231 are symmetrically arranged and adjacent to the left and right hands to facilitate the user's touch operation. .

As shown in FIG. 6, the user uses the first gesture (left and right hand) to hold the steering wheel 210 and rotate the ß angle to the left. At this time, the controller 240 does not adjust the position of the two effective touch areas 231.

As shown in FIG. 7, the user uses the second gesture (left hand) to hold the steering wheel 210 and rotate the ß angle to the left. At this time, the effective touch area 231 corresponding to the user's right hand is on the steering wheel 210 in the opposite direction of the steering wheel 210 rotation. Turn the ß angle.

As shown in FIG. 8, the user uses the third gesture (right hand) to hold the steering wheel 210 and rotate the ß angle to the left. At this time, the effective touch area 231 corresponding to the user's left hand rotates on the steering wheel 210 in the opposite direction to the rotation of the steering wheel 210 ß angle.

It can be understood that the user can select one of the first gesture, the second gesture or the third gesture to perform the steering operation according to the actual situation.

In the steering wheel device 200, the car 10, and the car control method based on the steering wheel device described above, the effective touch area 231 can receive user touch operations and generate touch commands for controlling on-board components, and send the touch commands to the controller. The controller 240 receives touch commands and controls the on-board components, and the effective touch area 231 can adjust the position on the steering wheel 210 according to the user's gestures, so that the user can control the on-board components more conveniently.

In summary, the present invention meets the requirements of an invention patent, and Yan filed a patent application in accordance with the law. However, the above are only preferred embodiments of the present invention. For those who are familiar with the technique of the present invention, equivalent modifications or changes made in accordance with the spirit of the present invention should be covered by the following patent application scope.

10: car

100: car body

200: steering wheel device

300: Turn signal

400: Environmental detection unit

500: prompt unit

Claims (9)

A steering wheel device applied to an automobile. The steering wheel device includes a steering wheel. The improvement is that the steering wheel device further includes a touch unit and a controller provided on the steering wheel, and the touch unit is provided with a position that can be moved Adjusted effective touch area, the effective touch area is used to receive touch operations and generate touch commands for controlling on-vehicle components, and send the touch commands to the controller, the controllers respectively Communicatively connected with the touch unit and the on-board component, the controller is used to receive the touch command and control the on-board component, and the controller is also used to control all the components according to the user's gesture of holding the steering wheel. The position of the effective touch area is set, the on-board component includes a turn signal, the steering wheel device further includes an angular motion sensor, and the angular motion sensor is provided on the steering wheel and used to sense the The direction of rotation and the steering angle of the steering wheel; the controller is respectively communicatively connected with the angular motion sensor and the turn signal of the car; the controller can determine whether the steering angle is greater than a first preset value; When the steering angle is greater than the first preset value, the controller determines whether the turn signal corresponding to the rotation direction is turned on; when it is determined that the turn signal is not turned on, the controller controls the steering wheel The turn signal corresponding to the direction of rotation is turned on; the controller can also determine whether the steering angle is greater than a second preset value, the second preset value is greater than or equal to the first preset value, when the steering angle When the value is greater than the second preset value, the controller suspends the touch function of the effective touch area; when the angular motion senses that the steering angle is less than or equal to the second preset value, the controller according to The user's gesture of holding the steering wheel and the value of the steering angle adjust the position of the effective touch area. The steering wheel device according to claim 1, wherein the in-vehicle component further includes one or more of a low beam, a high beam, and a player. An automobile includes a vehicle body and a central control system. The improvement is that the automobile further includes the steering wheel device according to claim 1 or 2, and the steering wheel device is installed on the vehicle body and is connected to the central control system. Communication connection. The automobile according to claim 3, wherein the automobile further includes an environment detection unit installed on the outside of the automobile and connected in communication with the central control system, the environment detection unit Used to detect environmental data within a preset range of the car. The automobile according to claim 4, wherein the environment detection unit includes an image acquisition unit and an induction radar, the image acquisition unit is used for collecting image information behind the automobile, and the induction radar is used for Sensing people or things within a preset range of the car. The automobile according to claim 4 or 5, wherein the automobile further includes a prompt unit provided in the automobile and communicatively connected with the central control system, and the central control system receives the environment Data and determine whether there is an abnormality, and when it is determined that there is an abnormality, a prompt control signal is sent to the prompt unit so that the prompt unit sends out corresponding prompt information. A vehicle control method based on a steering wheel device. The improvement is that the steering wheel device includes a steering wheel, a touch unit provided on the steering wheel, an angular motion sensor and a controller provided on the steering wheel, the method The method includes the following steps: the controller sets the effective touch area according to the gesture of the user holding the steering wheel; The touch command is sent to the controller; the controller controls the turn signal in the corresponding direction to turn on according to the touch command; the angular motion sensor senses the rotation direction and the steering angle of the steering wheel; The controller determines whether the steering angle is greater than a first preset value and whether the steering angle is greater than a second preset value, the second preset value is greater than or equal to the first preset value; when the steering angle is greater than When the first preset value is used, the controller determines whether the turn signal corresponding to the rotation direction is turned on, and when the steering angle is greater than a second preset value, the controller stops the effective touch area Touch function; when the angular motion senses that the steering angle is less than or equal to a second preset value When the controller adjusts the position of the effective touch area according to the user’s gesture of holding the steering wheel and the value of the steering angle; when it is determined that the steering light is not turned on, the controller controls and The turn signal corresponding to the direction of rotation of the steering wheel is turned on. According to claim 7, the vehicle control method based on the steering wheel device, wherein the number of the effective touch area is two and respectively correspond to the left and right hands holding the steering wheel. When the user holds the steering wheel with the left and right hands, When steering, the controller does not adjust the position of the two effective touch areas; when the user holds the steering wheel with the left hand to turn, the controller controls the effective touch area corresponding to the right hand to The steering wheel rotates in the opposite direction of the steering wheel rotation by the same rotation angle as the steering wheel; when the user holds the steering wheel with the right hand for steering, the controller controls the effective touch area corresponding to the left hand The steering wheel is rotated in the opposite direction of the steering wheel rotation by the same rotation angle as the steering wheel. The car control method based on a steering wheel device according to claim 7, wherein the car further includes an environment detection unit and a prompt unit, and the controller controls the turn signal corresponding to the direction of rotation of the steering wheel to turn on after the step , The method further includes: the environment detection unit detects environmental data within a predetermined range of the car, and sends the environmental data to a central control system; the central control system generates a control signal according to the environmental data, The control signal is sent to the prompt unit, so that the prompt unit sends out prompt information.

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