CN212990289U - Fatigue driving early warning system based on steering system - Google Patents
Fatigue driving early warning system based on steering system Download PDFInfo
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- CN212990289U CN212990289U CN202021635756.0U CN202021635756U CN212990289U CN 212990289 U CN212990289 U CN 212990289U CN 202021635756 U CN202021635756 U CN 202021635756U CN 212990289 U CN212990289 U CN 212990289U
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Abstract
The utility model discloses a driver fatigue early warning system based on a steering system, including controlling means, early warning device, controlling means and camber detection device, corner detection device electricity respectively be connected, controlling means is connected with the early warning device electricity, controlling means control early warning device, early warning device are equipped with voice broadcast ware, steering wheel vibrator. The system judges whether the reaction of the driver is in a reasonable range by detecting the rotation angle and the rotation speed of the steering wheel of the driver, thereby effectively detecting whether the driver is in fatigue driving, and effectively stimulating the driver to enable the driver to be awake and excited by voice reminding and the mode of steering wheel vibration, and safely driving the driver to a place where the driver can have a rest.
Description
Technical Field
The utility model relates to an automobile automatic driving is exactly a driver fatigue early warning system based on a steering system.
Background
The driver has poor or insufficient sleeping quality, and is easy to have fatigue when driving the vehicle for a long time. Driving fatigue affects the driver's attention, feeling, perception, thinking, judgment, consciousness, decision and movement. The driver has poor or insufficient sleeping quality, and is easy to fatigue when driving the vehicle for a long time, thereby possibly causing accidents.
The existing fatigue driving early warning modes comprise a hanging ear type, a watch type, a glasses type and a face recognition type, and the existing fatigue driving early warning modes cannot effectively stimulate a driver to enable the driver to be awake and excited and drive the driver to a place where the driver can have a rest safely.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a driver fatigue early warning system based on a steering system, this system is through the corner and the rotational speed that detect driver's steering wheel, judges whether driver's reaction is in reasonable within range to effectively detect whether driver is in driver fatigue, and remind through pronunciation, the mode of steering wheel vibration, effectual amazing driver makes its clear-headed and excitement, and safe driving is to the place that can have a rest.
In order to solve the above technical problem, the utility model discloses a following technical means:
the utility model provides a driver fatigue early warning system based on a steering system, includes controlling means, early warning device, controlling means and camber detection device, corner detection device be connected electrically respectively, controlling means is connected with the early warning device electricity, controlling means control early warning device, the early warning device is equipped with voice alarm, steering wheel vibrator.
When the vehicle is running, the curvature detection device transmits curvature information to the control device through CAN communication, and the turning angle detection device transmits steering information to the control device through CAN communication.
The working principle of the technical scheme is as follows:
the curvature detection device detects the curvature radius of the lane, the curvature detection device conveys the curvature radius of the lane to the control device, the corner detection device detects the corner and steering information of the vehicle, the corner detection device conveys the corner and steering information to the control device, the control device makes judgment according to the received information and sends early warning information to the early warning device, and the early warning device sends out warning according to the received early warning information.
The working process of the technical scheme is as follows:
when the device works, firstly, the curvature radius is detected by the curvature detection device, the control device sets a safety threshold of a corner and a rotating speed according to the curvature radius, the steering angle sensor detects the corner, the rotating speed and steering information, when the corner and the rotating speed are equal to the safety threshold, safe driving is defaulted, the control device cannot generate an early warning signal, and the early warning device does not work; when the turning angle and the rotating speed are detected to be larger than the safety threshold value, the driver enters a fatigue driving state, the control device generates an early warning signal, and the early warning device gives an early warning; when the turning angle and the rotating speed are detected to be smaller than the safety threshold value, the driver enters a fatigue driving state at the moment, the control device generates an early warning signal, and the early warning device gives an early warning.
Compared with the prior art, the outstanding characteristics are that: the system judges whether the reaction of the driver is in a reasonable range by detecting the rotation angle and the rotation speed of the steering wheel of the driver, thereby effectively detecting whether the driver is in fatigue driving, and effectively stimulating the driver to enable the driver to be awake and excited by voice reminding and the mode of steering wheel vibration, and safely driving the driver to a place where the driver can have a rest.
The further preferred technical scheme is as follows:
the curvature detection device is provided with a visual sensor which is electrically connected with the control device through a CAN bus.
The corner detection device is provided with a steering angle sensor which is electrically connected with the control device through a CAN bus.
The control device adopts a control panel with model MPC5744 as a main chip and is arranged at the lower part of the center console.
The voice alarm is arranged on an instrument panel, and the steering wheel vibrator is arranged on a steering wheel.
Drawings
Fig. 1 is a schematic diagram of the frame structure of the present invention.
Fig. 2 is a flow chart of the present invention.
Fig. 3 is a flow chart of the present invention.
Description of reference numerals: 1-a curvature detection device; 2-a rotation angle detection device; 3-a control device; 4-early warning device; 11-a vision sensor; 21-a steering angle sensor; 41-voice alarm; 42-steering wheel vibrator.
Detailed Description
The present invention will be further described with reference to the following examples.
Combine fig. 1, fig. 2, fig. 3 can know, the utility model discloses a car driver fatigue early warning system, by camber detection device 1, corner detection device 2, controlling means 3 and early warning device 4 are constituteed, camber detection device 1, corner detection device 2 and early warning device 4 are connected with controlling means 3 electricity respectively, camber detection device 1 detects lane curvature radius, camber detection device 1 carries lane curvature radius for controlling means 3, corner detection device 2 detects the corner of vehicle and turns to the information, corner detection device 2 carries the corner with turning to the information for controlling means 3, controlling means 3 makes the judgement and sends early warning information to early warning device 4 according to received information, early warning device 4 sends out warning according to the early warning information received.
The curvature detection device 1 is provided with a vision sensor 11, the vision sensor 11 adopts a vision sensor of model CV-X150A of Kenzhi to conveniently collect curvature radius information, and then the curvature radius information is sent to the control device 3 through CAN communication. By providing the vision sensor 11, it is convenient to detect curvature information by the vision sensor 11, and information CAN be transmitted to the control device 3 by CAN communication.
The steering angle detection device 2 is provided with a steering angle sensor 21, the steering angle sensor 21 adopts an 9812009380 model steering angle sensor of BOSCH company, CAN conveniently collect steering angle and rotating speed information, and then sends the steering information to the control device 3 through CAN communication. The steering angle sensor 21 is provided to facilitate detection of steering information by the steering angle sensor 21, and the information CAN be transmitted to the control device 3 by CAN communication.
The control device 3 adopts a control board with model MPC5744 as a main chip, has higher operation speed and control precision, and the control device 3 is arranged at the lower part of the center console, so that the control device 3 can be conveniently installed and fixed by utilizing the space at the lower part of the center console.
The voice alarm 41 is installed on the dashboard or at the roof above the dashboard, and the steering wheel vibrator 42 is installed on the steering wheel. The voice alarm 41 is installed above the instrument panel for the driver to receive the prompt message.
The working principle of the system is as follows:
when the device works, firstly, the curvature radius is detected by the curvature detection device 1, the control device 3 sets a safety threshold of a corner and a rotating speed according to the curvature radius, the steering angle sensor detects the corner, the rotating speed and steering information, when the corner and the rotating speed are equal to the safety threshold, safe driving is defaulted at the moment, the control device 3 cannot generate an early warning signal, and the early warning device 4 does not work; when the turning angle and the rotating speed are detected to be larger than the safety threshold value, the driver enters a fatigue driving state, the control device 3 generates an early warning signal, and the early warning device 4 carries out early warning; when the turning angle and the rotating speed are detected to be smaller than the safety threshold value, the driver enters a fatigue driving state at the moment, the control device 3 generates an early warning signal, and the early warning device 4 carries out early warning.
The working process of the utility model is as follows:
when a vehicle runs, the curvature detection device 1 sends curvature information to the control device 3 through CAN communication, the corner detection device 2 sends steering information to the control device 3 through CAN communication, when a corner or a rotating speed is detected to be smaller than a safety threshold value, the control device 3 sends an early warning signal to the early warning device 4, and when the corner or the rotating speed is detected to be larger than the safety threshold value, the control device 3 sends the early warning signal to the early warning device 4. The warning device 4 warns the driver to prompt the driver to keep awake.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.
Claims (5)
1. The utility model provides a driver fatigue early warning system based on a steering system, includes controlling means, early warning device, its characterized in that: the control device is electrically connected with the curvature detection device and the corner detection device respectively, the control device is electrically connected with the early warning device, the control device controls the early warning device, and the early warning device is provided with a voice alarm and a steering wheel vibrator.
2. The steering-system-based fatigue driving warning system according to claim 1, wherein: the curvature detection device is provided with a visual sensor which is electrically connected with the control device through a CAN bus.
3. The steering-system-based fatigue driving warning system according to claim 1, wherein: the corner detection device is provided with a steering angle sensor which is electrically connected with the control device through a CAN bus.
4. The steering-system-based fatigue driving warning system according to claim 1, wherein: the control device adopts a control panel with model MPC5744 as a main chip and is arranged at the lower part of the center console.
5. The steering-system-based fatigue driving warning system according to claim 1, wherein: the voice alarm is arranged on an instrument panel, and the steering wheel vibrator is arranged on a steering wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021635756.0U CN212990289U (en) | 2020-08-10 | 2020-08-10 | Fatigue driving early warning system based on steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021635756.0U CN212990289U (en) | 2020-08-10 | 2020-08-10 | Fatigue driving early warning system based on steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212990289U true CN212990289U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021635756.0U Active CN212990289U (en) | 2020-08-10 | 2020-08-10 | Fatigue driving early warning system based on steering system |
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| Country | Link |
|---|---|
| CN (1) | CN212990289U (en) |
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2020
- 2020-08-10 CN CN202021635756.0U patent/CN212990289U/en active Active
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