WO2017107005A1 - 车辆安全驾驶控制系统 - Google Patents

车辆安全驾驶控制系统 Download PDF

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Publication number
WO2017107005A1
WO2017107005A1 PCT/CN2015/098055 CN2015098055W WO2017107005A1 WO 2017107005 A1 WO2017107005 A1 WO 2017107005A1 CN 2015098055 W CN2015098055 W CN 2015098055W WO 2017107005 A1 WO2017107005 A1 WO 2017107005A1
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WIPO (PCT)
Prior art keywords
module
steering wheel
driving
detecting
control system
Prior art date
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Ceased
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PCT/CN2015/098055
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English (en)
French (fr)
Inventor
杨松龄
蒋超
夏新元
邹翔
周瑜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Royole Technologies Co Ltd
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Shenzhen Royole Technologies Co Ltd
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Application filed by Shenzhen Royole Technologies Co Ltd filed Critical Shenzhen Royole Technologies Co Ltd
Priority to PCT/CN2015/098055 priority Critical patent/WO2017107005A1/zh
Priority to CN201580073619.8A priority patent/CN107207028A/zh
Publication of WO2017107005A1 publication Critical patent/WO2017107005A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/04—Hand wheels

Definitions

  • the invention relates to the field of vehicle safety, and in particular to a vehicle safety driving control system.
  • the technical problem to be solved by the present invention is to provide a vehicle safety driving control system capable of accurately sensing a user's grip posture on a steering wheel and promptly prompting to improve driving safety.
  • the invention provides a vehicle safety driving control system, which comprises a steering wheel, a prompting module and a control module;
  • the steering wheel includes a steering wheel body and a driving grip detecting module disposed on the steering wheel body.
  • the driving trajectory detecting module extends a trajectory consistent with the trajectory of the steering wheel body, and the driving grip detecting module is configured to detect Measuring the user's grip position on the steering wheel;
  • the control module issues a start command to the prompting module
  • the prompting module prompts after receiving the startup instruction.
  • the driving grip detection module is a flexible touch device that detects accuracy to the user's finger.
  • the steering wheel body extends in a ring shape, and the extended track of the flexible touch device is the same as the extension track of the steering wheel body.
  • the driving grip detecting module covers the steering wheel main body, and the area coverage of the driving grip detecting module on the steering wheel main body is greater than 80%.
  • the vehicle safety driving control system further includes a vehicle speed adjustment module for detecting and adjusting the speed of the vehicle;
  • the vehicle speed adjustment module is connected to the control module, and when the driving grip detection module detects that the user's grip posture on the steering wheel is incorrect, and the vehicle speed adjustment module detects that the vehicle speed is greater than the first limit At the time of speed, the control module issues a start command to the prompt module and issues a speed reduction command to the vehicle speed adjustment module.
  • the control module sets a delay time.
  • the vehicle speed adjustment module detects that the vehicle speed is greater than the delay time.
  • the control module issues a start command to the prompt module and issues a speed reduction command to the vehicle speed adjustment module.
  • the vehicle safety driving control system further includes a road condition detecting module for detecting a road condition
  • the road condition detecting module is connected to the control module, so that the control module reads information about the road condition detected by the road condition detecting module.
  • the road condition detecting module includes a road surface detecting unit for detecting the flatness of the road surface;
  • the control module sends the warning module to the prompting module.
  • a start command is issued and a speed reduction command is issued to the vehicle speed adjustment module.
  • the road condition detecting module further includes a curve detecting unit configured to detect whether a curve is present in front of the road;
  • the control module sends the prompting module to the prompting module.
  • a start command is issued to issue a speed reduction command to the vehicle speed adjustment module.
  • the vehicle speed adjustment module further includes a power assisting unit.
  • the power assisting unit provides the first power assisting unit.
  • the assisting unit provides a second assisting force; the first assisting force is greater than the second assisting force; .
  • first defined speed is greater than the second defined speed
  • second defined speed is greater than the third defined speed
  • the steering wheel of the vehicle safety driving control system includes a steering wheel main body and a driving grip detecting module disposed on the steering wheel main body
  • the driving grip detecting module extends a trajectory that is consistent with the trajectory of the steering wheel body, and the driving grip detecting module is configured to detect a grip posture of the steering wheel by the user;
  • the vehicle safety driving control system A prompting module is further provided for prompting when the driving grip detecting module detects that the gripping posture of the steering wheel is incorrect.
  • the driving grip detecting module Since the trajectory extended by the driving grip detecting module coincides with the trajectory of the steering wheel body extension, no matter which part of the steering wheel is grasped by the user's hand, and no matter how many fingers are used by the user, the user grasps the trajectory
  • the driving grip detecting module can be correctly sensed, so that the user can accurately determine whether the gripping posture of the steering wheel is correct; and because the vehicle safety driving control system further sets a prompting module, when The driving grip detection module detects that the user grips the steering wheel incorrectly, and therefore the vehicle safety driving control system can prompt the user to correct the grip posture of the steering wheel, thereby greatly Improve the safety of driving.
  • FIG. 1 is a schematic structural view of a vehicle safety driving control system in a first embodiment of the present invention
  • FIG. 2 is a structural diagram showing a case where the steering grip detecting module is not provided in the steering wheel according to the first embodiment of the present invention; intention;
  • FIG. 3 is a schematic structural view of a steering wheel in a first embodiment of the present invention.
  • Figure 4 is a schematic cross-sectional view taken along line A-A of Figure 3;
  • Figure 5 is a schematic structural view of a vehicle safety driving control system in a second embodiment of the present invention.
  • Figure 6 is a block diagram showing the structure of a safe driving control system for a vehicle in a third embodiment of the present invention.
  • FIG. 1 is a schematic structural diagram of a vehicle safety driving control system according to a first embodiment of the present invention
  • FIG. 2 is a diagram showing that the steering wheel is not provided with a driving grip detection according to the first embodiment of the present invention
  • FIG. 3 is a schematic structural view of a steering wheel in the first embodiment of the present invention.
  • the vehicle safety driving control system includes a steering wheel 10, a prompting module 20, and a control module 30.
  • the steering wheel 10 includes a steering wheel body 100 and a driving grip detecting module 200.
  • the steering wheel body 100 extends along a circular path.
  • the driving grip detecting module 200 is disposed on the steering wheel body 100, and the The trajectory of the driving grip detecting module 200 is the same as the trajectory of the steering wheel main body 100, that is, the driving grip detecting module 200 has an annular shape.
  • the driving grip detecting module 200 is disposed on the entire surface of the steering wheel main body 100 for detecting a grip posture of the steering wheel 10 by the user, that is, the driving grip detecting module 200 covers the steering wheel.
  • the surface of the body 100 is such that the user can sense any portion of the steering wheel 10 while driving, as sensed by the driving grip detection module 200.
  • the control module 30 is connected to the driving grip detecting module 200 and the prompting module 20, respectively.
  • the control module 30 issues a start command to the prompt module 20.
  • the prompting module 20 prompts after receiving the startup instruction.
  • the control module 30 may pre-store relevant data of the correct driving posture.
  • the control module 30 Comparing with the pre-stored data of the correct driving grip, if not, and still not corrected within a set delay time, the control module 30 issues a start command to the prompting module 20,
  • the prompting module 20 prompts the user after receiving the start command, thereby prompting the user to correct the driving posture in time to prevent the occurrence of a traffic accident.
  • the purpose of setting the delay time is to eliminate the allowable user's driving actions, such as shifting, turning the lights on/off, turning on/off the wiper, and other necessary functions. Since the switching or switching of these functions can be completed in a few seconds, the delay time can also be set in a few seconds, such as 3 seconds.
  • FIG. 4 is a schematic cross-sectional view along line A-A of FIG.
  • the driving grip detection module 200 can be a flexible touch device that is flexible and can be bent and flexed.
  • the flexible touch device has an annular sleeve structure, and the inner side of the sleeve structure is provided with an annular opening 210 or an annular slit 210, that is, an inner side of the sleeve structure is provided with an opening 210 or a slit 210, and the opening 210 or The slit 210 is disposed around the inner circle of the annular sleeve structure.
  • the flexible touch device embeds the steering wheel body 100 into the loop of the sleeve structure from the annular opening 210 or the annular slit 210 during assembly. It will be appreciated that the flexible touch device may also be directly attached to the outer surface of the steering wheel body 100 by adhesive, whereby the annular opening 210 or the slit 210 may not necessarily be formed. If the flexible touch device has the opening 210 or the slit 210 covering an area of the outer surface of the steering wheel main body 100 exceeding 80%, if the flexible touch device does not have the opening or the slit 210, the area of the outer surface covering the steering wheel main body 100 may exceed 85. %. On the other hand, the extended trajectory of the flexible touch device is the same as the extended trajectory of the steering wheel main body 100.
  • the flexible touch device and the steering wheel main body 100 are both complete and annular.
  • the flexible touch device does not have to be connected end to end, or even disconnected at a plurality of positions of the ring, only the extended track and the extended track of the steering wheel body 100 are still consistent, but the gap is broken. Not too large, preferably less than the width of a single finger to avoid affecting the normal detection function of the flexible touch device.
  • the two extended trajectories referred to in the present invention mean that one extended trajectory falls completely within the range of another extended trajectory, that is, all of one extended trajectory coincides with at least a portion of another extended trajectory.
  • the flexible touch device (ie, the driving grip detection module 200) may be a capacitive touch device or an infrared touch device.
  • the flexible touch device is a capacitive flexible touch panel.
  • the flexible touch device ie, the driving grip detection module 200
  • the first sensing layer and the second sensing layer are disposed opposite to each other and insulated from each other.
  • the first sensing layer and the second sensing layer are both disposed coaxially with the steering wheel body 100, and a capacitance is formed between the first sensing layer and the second sensing layer, when the user's finger touches the In the case of the flexible touch device, the size of the capacitor changes, and the capacitive touch device (ie, the driving grip detection module 200) detects the user's grip steering wheel by the position, area, and capacitance change of the capacitance change.
  • the position and the number of fingers of the user holding the steering wheel 10 determine the driving grip. Due to the high sensing resolution of the capacitive flexible touch panel, it can accurately sense the contact area, contact position and even the contact angle of each finger of the user, thereby making the grip sensing more precise.
  • the driving grip detecting module 200 When the vehicle is in a running state, the driving grip detecting module 200 is always in an open state, and the driving grip posture of the user is detected in real time, and when the driving grip detecting module 200 detects the user facing the steering wheel
  • the control module 30 issues a start command to the prompt module 20, and the prompt module 20 prompts after receiving the start command until the user's grip position is correct.
  • the prompting manner of the prompting module 20 may be a voice mode, a flashing prompt or a vibration mode.
  • the vehicle safety control system is provided with a driving grip detection module 200.
  • the driving grip detection module 200 is disposed on the steering wheel main body 100, and the driving grip detection module 200
  • the extended trajectory is the same as the trajectory of the steering wheel body 100, that is, the driving grip detecting module 200 has an annular shape. In other words, the driving grip detection module 200 substantially completely covers the steering wheel body 10.
  • the driving grip detecting module 200 can correctly detect, so that Precisely determining whether the user's grip position on the steering wheel 10 is correct; and because the vehicle safety driving control system further sets a prompting module 20, when the driving grip detecting module 200 detects that the user is facing the steering wheel 10 The prompting module 20 prompts when the grip position is incorrect. Therefore, the vehicle safety control system can prompt the user to correct the grip posture of the steering wheel 10 in time, thereby greatly improving the safety of driving.
  • the sensing accuracy of the driving grip detecting module 200 of the present invention can be accurate to the finger, a more detailed grip posture can be detected, such as using a three-finger grip steering wheel, a palm grip steering wheel, and an abnormal angle grip steering wheel. and many more.
  • FIG. 5 is a schematic structural diagram of a vehicle safety driving control system according to a second embodiment of the present invention.
  • the structure and the first embodiment of the vehicle safety driving control system in this embodiment (second embodiment) The vehicle safety driving control system described in the above is basically the same, except that the vehicle safety driving control system in the embodiment further includes a vehicle speed adjusting module 40 for detecting and adjusting the speed of the vehicle; The adjustment module 40 cooperates with the driving grip detection module 200.
  • the vehicle speed adjustment module 40 is connected to the control module 30, and when the driving grip detection module 200 detects that the user's grip posture on the steering wheel 10 is incorrect and exceeds a limited delay time, For example, after more than 3 seconds, and the vehicle speed adjusting module 40 detects that the vehicle speed is greater than the first limited speed (eg, 80 km/h), the control module 30 issues a start command to the prompting module 20 and adjusts to the vehicle speed.
  • the module 40 issues a speed reduction command, and the prompting module 20 prompts after receiving the start command, and the vehicle speed adjusting module 40 starts to reduce the vehicle speed after receiving the speed reduction command.
  • the driving grip detecting module 200 stops the alarm, and the control module 30 stops the instruction to decelerate to the vehicle speed adjusting module 40. If the driver does not return to the correct driving grip, the vehicle speed adjustment module 40 will not continue to decelerate when the vehicle speed drops to a preset safety value (eg 20km/h) to avoid the risk of deceleration to parking. .
  • a preset safety value eg 20km/h
  • the vehicle safety driving control system since the vehicle safety driving control system is provided with a vehicle speed adjusting module 40, the vehicle speed adjusting module 40 cooperates with the driving grip detecting module 200, and therefore, the driving grip detecting module
  • the vehicle safety driving control system not only prompts the prompt but also takes measures to reduce the speed until the user corrects the driving grip posture, so that the vehicle of the user who does not correct the driving grip posture in time is timely. Slow down to prevent traffic accidents.
  • FIG. 6 is a schematic structural diagram of a vehicle safety driving control system according to a third embodiment of the present invention.
  • the structure of the vehicle safety driving control system in the third embodiment is basically the same as the structure of the vehicle safety driving control system in the second embodiment, and the difference is that the vehicle safety driving control system in the embodiment further
  • the road condition detecting module 50 is configured to detect the road condition; the road condition detecting module 50 is connected to the control module 30, so that the control module 30 reads the detected by the road condition detecting module 50.
  • the road condition detection module 50 cooperates with the driving grip detection module 200 and the vehicle speed adjustment module 40.
  • the road condition detecting module 50 includes a road surface detecting unit 51 for detecting the flatness of the road surface.
  • the road surface detecting unit 51 cooperates with the driving grip detecting module 200 and the vehicle speed adjusting module 40.
  • the driving grip detecting module 200 and the vehicle speed adjusting mode during running of the vehicle Block 40 continues to feed back corresponding information to control module 30.
  • the road surface detecting unit 51 detects that the road surface is uneven or has an obstacle
  • the driving grip detecting module 200 detects that the user's grip posture on the steering wheel 10 is incorrect, and the vehicle speed is adjusted
  • the module 40 detects that the vehicle speed is greater than the second limited speed (eg, 60 km/h), and after a set delay time, for example, 3 seconds, the control module 30 issues a start command to the prompt module 20, And a speed reduction command is issued to the vehicle speed adjustment module 40.
  • the alarm module 20 stops the alarm until the driver resumes the correct driving grip, and the control module 30 stops issuing an instruction to decelerate to the vehicle speed adjustment module 40.
  • the road condition detecting module 50 further includes a curve detecting unit 52 for detecting whether a curve is present in front of the road.
  • Each of the curve detecting unit 52 and the road surface detecting unit 51 may be composed of an element having a road surface detecting function such as an image pickup device, an acoustic wave detecting device, and an infrared detecting device.
  • the curve detecting unit 52 cooperates with the driving grip detecting module 200 and the vehicle speed adjusting module 40. During driving of the vehicle, the driving grip detection module 200 and the vehicle speed adjustment module 40 continuously feed back corresponding information to the control module 30.
  • the curve detecting unit 52 detects that there is a curve in front, if the driving grip detecting module 200 detects that the user's grip posture on the steering wheel 10 is incorrect, and the vehicle speed adjusting module 40 Detecting that the vehicle speed is greater than the third limited speed (eg, 30 km/h), after a set delay time, for example, 2 seconds, the control module 30 issues a start command to the prompt module 20, and The vehicle speed adjustment module 40 issues a speed reduction command.
  • the third limited speed eg, 30 km/h
  • the driving grip detection module 200 stops the alarm until the driver resumes the correct driving grip, and the control module 30 stops issuing an instruction to decelerate to the vehicle speed adjusting module 40.
  • the reason why the delay time given in the curve is less than the delay time given in the bumpy road condition is that the distracting operation should be avoided as much as possible during the curve, but some driving actions are unavoidable, such as File, so minimize the time allowed for the limit.
  • the vehicle speed adjustment module 40 further includes a power assisting unit for providing steering assist power to the vehicle when the vehicle turns.
  • the boosting unit provides the first assisting force;
  • the driving grip detecting module 200 detects that the user grasps the steering wheel with both hands, the assisting unit provides a second assisting force; the first assisting force is greater than the second assisting force. That is to say, when the driving grip detecting module 200 detects that the driver holds the steering wheel with one hand, the control module 30 controls the boosting unit to generate greater power to avoid one-handed steering resulting in understeer. problem.
  • the vehicle safety driving control system further includes a road condition detecting module 50, and the road condition detecting module 50 cooperates with the driving grip detecting module 200 and the vehicle speed adjusting module 40,
  • the road condition detecting module 50 detects that the road surface is uneven or there is a curve in the front road
  • the driving grip detecting module 200 detects that the driving posture of the user is incorrect
  • the vehicle safety driving control system not only At the same time, the speed reduction measures are taken at the same time until the user corrects the driving grip posture, so that the user pays more attention to maintaining the correctness of the driving grip posture and preventing the occurrence of traffic accidents when the road surface is uneven or there is a curve on the road ahead.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Controls (AREA)

Abstract

一种车辆安全驾驶控制系统包括方向盘（10）、提示模块（20）及控制模块（30），所述方向盘（10）包括方向盘主体（100）及驾驶握姿侦测模块（200），所述方向盘主体（100）沿着圆环轨迹延伸，所述驾驶握姿侦测模块（200）设置在所述方向盘主体（100）上，且所述驾驶握姿侦测模块（200）延伸的轨迹与所述方向盘主体（100）延伸的轨迹相同，即所述驾驶握姿侦测模块（200）呈圆环状，所述驾驶握姿侦测模块（200）设置于所述方向盘主体（100）的整个表面，用于侦测用户对所述方向盘（10）的握姿，所述控制模块（30）分别与所述驾驶握姿侦测模块（200）和所述提示模块（20）连接，当所述驾驶握姿侦测模块（200）侦测到用户对所述方向盘（10）的握姿错误时，所述控制模块（30）向所述提示模块（20）发出启动指令，所述提示模块（20）接收到所述启动指令后进行提示。所述车辆安全驾驶控制系统能够精确感应用户对方向盘的握姿，并及时进行提示，提高驾驶的安全性。

Description

车辆安全驾驶控制系统 技术领域
本发明涉及车辆安全领域，尤其涉及一种车辆安全驾驶控制系统。
背景技术
随着跨城经济文化交流的扩大及人民物质生活水平的提高，车辆的数目越来越庞大，而各种交通事故的发生频率也在急剧增大，直接威胁到生命安全，并造成巨大经济损失。各种交通事故的发生，大多是由于驾驶过程中不规范，通常出现懒散、打瞌睡、疲劳驾驶、驾驶过程中接电话、抽烟或做其它操作的行为，当出现上述情况时往往表现为驾驶动作不规范，抓握方向盘的握姿不准确，例如，单手握方向盘、几个手指握方向盘、双手握方向盘的部位不正确等。出现上述不规范的驾驶握姿时，当交通状况或车辆状况突然发生改变时，双手无法及时做出正确的反应从而容易导致交通事故的发生。因此，针对上述安全隐患，如何监控驾驶员握方向盘的状况成为不可忽视的问题。
发明内容
本发明所要解决的技术问题在于，提供一种车辆安全驾驶控制系统，所述车辆安全驾驶控制系统能够精确感应用户对方向盘的握姿，并及时进行提示，提高驾驶的安全性。
为了解决上述技术问题，本发明采用以下技术方案：
本发明提供一种车辆安全驾驶控制系统，所述车辆安全驾驶控制系统包括方向盘、提示模块和控制模块；
所述方向盘包括方向盘主体及设置于方向盘主体上的驾驶握姿侦测模块，所述驾驶握姿侦测模块延伸的轨迹与所述方向盘主体延伸的轨迹一致，驾驶握姿侦测模块用于侦测用户对所述方向盘的握姿；
当所述驾驶握姿侦测模块侦测到用户对所述方向盘的握姿错误时，所述控制模块向所述提示模块发出启动指令；
所述提示模块接收到所述启动指令后进行提示。
其中，所述驾驶握姿侦测模块为侦测精度精确到用户手指的柔性触摸装置。
其中，所述方向盘主体呈环状延伸，柔性触摸装置的延伸轨迹与方向盘主体的延伸轨迹相同。
其中，所述驾驶握姿侦测模块包覆方向盘主体，驾驶握姿侦测模块在方向盘主体上的面积覆盖率大于80％。
其中，所述车辆安全驾驶控制系统还包括车速调节模块，用于侦测和调节车辆的速度；
所述车速调节模块与所述控制模块连接，当所述驾驶握姿侦测模块侦测到用户对所述方向盘的握姿不正确时，并且所述车速调节模块侦测到车速大于第一限定速度时，所述控制模块向所述提示模块发出启动指令并向所述车速调节模块发出降速指令。
其中，所述控制模块设定延时时间，当驾驶握姿侦测模块侦测到用户对所述方向盘的握姿不正确超过延时时间后，并且所述车速调节模块侦测到车速大于第一限定速度时，所述控制模块向所述提示模块发出启动指令并向所述车速调节模块发出降速指令。
其中，所述车辆安全驾驶控制系统还包括路况侦测模块，用于侦测道路状况；
所述路况侦测模块与所述控制模块连接，以使所述控制模块读取所述路况侦测模块所侦测到的关于道路状况的信息。
其中，所述路况侦测模块包括路面侦测单元，用于侦测路面的平整度；
当所述路面侦测单元侦测到路面不平整或有障碍物时，若用户对所述方向盘的握姿不正确，并且车辆速度大于第二限定速度，则所述控制模块向所述提示模块发出启动指令，且向所述车速调节模块发出降速指令。
其中，所述路况侦测模块还包括弯道侦测单元，用于侦测道路前方是否出现弯道；
当所述弯道侦测单元侦测到前方有弯道时，若用户对所述方向盘的握姿不正确，并且车辆速度大于第三限定速度，则所述控制模块向所述提示模块发出 启动指令，向所述车速调节模块发出降速指令。
其中，所述车速调节模块还包括助力单元，当弯道侦测单元侦测到前方有弯道，且驾驶握姿侦测模块侦测到用户采用单手把握方向盘时，助力单元提供第一助力；当弯道侦测单元侦测到前方有弯道，且驾驶握姿侦测模块侦测到用户采用双手把握方向盘时，助力单元提供第二助力；所述第一助力大于所述第二助力。
其中，所述第一限定速度大于所述第二限定速度，所述第二限定速度大于所述第三限定速度。
与现有技术相比，本发明的技术方案至少具有以下有益效果：本发明的技术方案中，所述车辆安全驾驶控制系统的方向盘包括方向盘主体及设置于方向盘主体上的驾驶握姿侦测模块，所述驾驶握姿侦测模块延伸的轨迹与所述方向盘主体延伸的轨迹一致，所述驾驶握姿侦测模块用于侦测用户对所述方向盘的握姿；所述车辆安全驾驶控制系统还设置了提示模块，用于当所述驾驶握姿侦测模块侦测到用户对所述方向盘的握姿不正确时进行提示。由于所述驾驶握姿侦测模块延伸的轨迹与所述方向盘主体延伸的轨迹一致，因此，无论用户的手抓握所述方向盘的哪一个部位，且无论用户采用了多少个手指抓握所述方向盘，所述驾驶握姿侦测模块都能够正确地感测到，从而可以精确地判断用户对所述方向盘的握姿是否正确；又由于所述车辆安全驾驶控制系统还设置了提示模块，当所述驾驶握姿侦测模块侦测到用户对所述方向盘的握姿不正确时进行提示，因此，所述车辆安全驾驶控制系统能够及时提醒用户纠正对所述方向盘的握姿，从而极大提高了驾驶的安全性。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的明显变形方式。
图1是本发明第一实施例中车辆安全驾驶控制系统的结构示意图；
图2是本发明第一实施例中方向盘未设置驾驶握姿侦测模块时的结构示 意图；
图3是本发明第一实施例中方向盘的结构示意图；
图4是沿图3中剖切线A-A的截面示意图；
图5是本发明第二实施例中车辆安全驾驶控制系统的结构示意图；及
图6是本发明第三实施例中车辆安全驾驶控制系统的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请一并参阅图1、图2及图3，图1是本发明第一实施例中车辆安全驾驶控制系统的结构示意图；图2是本发明第一实施例中方向盘未设置驾驶握姿侦测模块时的结构示意图；图3是本发明第一实施例中方向盘的结构示意图。本实施例(第一实施例)中，车辆安全驾驶控制系统包括方向盘10、提示模块20及控制模块30。所述方向盘10包括方向盘主体100及驾驶握姿侦测模块200，所述方向盘主体100沿着圆环轨迹延伸，所述驾驶握姿侦测模块200设置在所述方向盘主体100上，且所述驾驶握姿侦测模块200延伸的轨迹与所述方向盘主体100延伸的轨迹相同，即所述驾驶握姿侦测模块200呈圆环状。优选地，所述驾驶握姿侦测模块200设置于所述方向盘主体100的整个表面，用于侦测用户对所述方向盘10的握姿，即：所述驾驶握姿侦测模块200覆盖方向盘主体100的表面，使得用户在驾驶过程中触摸方向盘10的任何部位时都可由所述驾驶握姿侦测模块200感测到。
所述控制模块30分别与所述驾驶握姿侦测模块200和所述提示模块20连接，当所述驾驶握姿侦测模块200侦测到用户对所述方向盘10的握姿错误时，所述控制模块30向所述提示模块20发出启动指令。所述提示模块20接收到所述启动指令后进行提示。
所述控制模块30可以预先存储有正确的驾驶握姿的相关数据，当所述驾驶握姿侦测模块200侦测到当前驾驶握姿状态的相关数据时，控制模块30将 其与预先存储的正确的驾驶握姿的相关数据进行比较，若不相符，且在一设定的延时时间内仍然未纠正，则所述控制模块30向所述提示模块20发出启动指令，提示模块20收到所述启动指令后进行提示，从而提醒用户及时纠正驾驶握姿，防止交通事故的发生。设置延时时间的目的在于排除掉可允许的用户的驾驶动作，比如换档、开启/关闭灯光、开启/关闭雨刷等必需功能。由于这些功能的开关或切换基本上都可在几秒的时间内完成，因而延时时间也可设置在几秒，如3秒。
请参阅图4，图4是沿图3中剖切线A-A的截面示意图。所述驾驶握姿侦测模块200可以是柔性触摸装置，所述柔性触摸装置具柔韧性，可以弯曲、挠折。所述柔性触摸装置呈环状的套体结构，所述套体结构内侧设有环形开口210或环形缝隙210，即所述套体结构的内侧设有开口210或缝隙210，所述开口210或缝隙210绕环状的所述套体结构的内圆而设置。装配过程中，将所述柔性触摸装置从所述环形开口210或环状缝隙210将所述方向盘主体100嵌入所述套体结构的环内。可以理解地，柔性触摸装置还可通过粘胶直接贴设在方向盘主体100的外表面，由此可以不必形成环形开口210或缝隙210。如果柔性触摸装置具有开口210或缝隙210，其覆盖方向盘主体100的外表面的面积超过80％，如果柔性触摸装置不具有开口或缝隙210，则其覆盖方向盘主体100的外表面的面积可超过85％。另一方面，柔性触摸装置的延伸轨迹与方向盘主体100的延伸轨迹相同，本实施例中柔性触摸装置与方向盘主体100均为首尾相连的完整的环形。当然，在某些情况下，柔性触摸装置也不必首尾相连，甚至也可在环形的多个位置断开，只需要延伸轨迹与方向盘主体100的延伸轨迹仍旧保持一致即可，但断开的间隙不易过大，优选小于单个手指的宽度，以避免影响到柔性触摸装置的正常侦测功能。需要说明的是，本发明所称的两个延伸轨迹一致是指一个延伸轨迹完全落在另一延伸轨迹的范围内，即一个延伸轨迹的全部至少与另一延伸轨迹的部分相重合。
所述柔性触摸装置(即驾驶握姿侦测模块200)可以是电容式触摸装置或红外线触摸装置。
在本实施例的一个实施方式中，所述柔性触摸装置(即驾驶握姿侦测模块200)为电容式柔性触摸板。所述柔性触摸装置(即驾驶握姿侦测模块200) 包括相对设置且相互绝缘的第一感应层及第二感应层(图中未示出)。所述第一感应层及所述第二感应层均与所述方向盘主体100同轴设置，所述第一感应层及所述第二感应层之间形成电容，当用户的手指触碰到所述柔性触摸装置时，所述电容的大小会发生变化，所述电容式触摸装置(即驾驶握姿侦测模块200)通过电容变化的位置、面积及电容变化的大小来侦测用户抓握方向盘的位置以及用户握方向盘10的手指的数目，从而判断出驾驶握姿。由于电容式柔性触摸板的感应分辨率较高，可精确到感测用户每个手指的接触面积、接触位置甚至于接触角度，从而使握姿感测更为精准。
下面对本实施例中的车辆安全控制系统的工作过程进行描述。当车辆处于行驶状态时，所述驾驶握姿侦测模块200一直处于开启状态，对用户的驾驶握姿进行实时侦测，当所述驾驶握姿侦测模块200侦测到用户对所述方向盘10的握姿不正确时，所述控制模块30向所述提示模块20发出启动指令，所述提示模块20接收到所述启动指令后进行提示，直至用户的握姿正确才停止提示。所述提示模块20进行提示的方式可以是语音方式、闪光提示或震动方式。
本实施例中，所述车辆安全控制系统设置了驾驶握姿侦测模块200，由于所述驾驶握姿侦测模块200设置在所述方向盘主体100上，且所述驾驶握姿侦测模块200延伸的轨迹与所述方向盘主体100延伸的轨迹相同，即所述驾驶握姿侦测模块200呈圆环状。换句话说，驾驶握姿侦测模块200基本完全覆盖住了方向盘主体10。因此，无论用户的手抓握所述方向盘10的哪一个部位，且用户采用了几个手指抓握所述方向盘10，所述驾驶握姿侦测模块200都能够正确地侦测到，从而可以精确地判断用户对所述方向盘10的握姿是否正确；又由于所述车辆安全驾驶控制系统还设置了提示模块20，当所述驾驶握姿侦测模块200侦测到用户对所述方向盘10的握姿不正确时，所述提示模块20进行提示，因此，所述车辆安全控制系统能够及时提醒用户纠正对所述方向盘10的握姿，从而极大提高了驾驶的安全性。并且，由于本发明的驾驶握姿侦测模块200的感测精度可精确到手指，因此可以侦测到更为细致的握姿，比如采用三指握方向盘、手掌搓方向盘、非正常角度握方向盘等等。
请参阅图5，图5是本发明第二实施例中车辆安全驾驶控制系统的结构示意图。本实施例(第二实施例)中车辆安全驾驶控制系统的结构与第一实施例 中所述的车辆安全驾驶控制系统的结构基本相同，不同之处在于：本实施例中所述车辆安全驾驶控制系统还包括车速调节模块40，用于侦测和调节车辆的速度；所述车速调节模块40与所述驾驶握姿侦测模块200协同工作。
具体地，所述车速调节模块40与所述控制模块30连接，当所述驾驶握姿侦测模块200侦测到用户对所述方向盘10的握姿不正确且超过一限定的延时时间，例如超过3秒后，并且所述车速调节模块40侦测到车速大于第一限定速度(如80km/h)时，所述控制模块30向所述提示模块20发出启动指令并向所述车速调节模块40发出降速指令，所述提示模块20接收到所述启动指令后进行提示，所述车速调节模块40收到所述降速指令后开始降低车速。当驾驶员恢复正确的驾驶握姿时，所述驾驶握姿侦测模块200才停止警报，且控制模块30停止向车速调节模块40发出减速的指令。如果驾驶员一直不恢复正确的驾驶握姿，在车速降到预设的安全值(如20km/h)的时候车速调节模块40将不会再继续减速，以避免减速至停车所带来的风险。
本实施例中，由于所述车辆安全驾驶控制系统设置有车速调节模块40，所述车速调节模块40与所述驾驶握姿侦测模块200协同工作，因此，在所述驾驶握姿侦测模块200侦测到握姿不正确时，所述车辆安全驾驶控制系统不仅进行提示提示，还同时采取降速的措施，直至用户纠正驾驶握姿，从而使不及时纠正驾驶握姿的用户的车辆及时减速，防止交通事故的发生。
请参阅图6，图6是本发明第三实施例中车辆安全驾驶控制系统的结构示意图。本实施例(第三实施例)中车辆安全驾驶控制系统的结构与第二实施中所述车辆安全驾驶控制系统的结构基本相同，不同之处在于：本实施例中的车辆安全驾驶控制系统还包括路况侦测模块50，用于侦测道路状况；所述路况侦测模块50与所述控制模块30连接，以使所述控制模块30读取所述路况侦测模块50所侦测到的道路状况的信息；所述路况侦测模块50与所述驾驶握姿侦测模块200及所述车速调节模块40协调工作。
具体地，所述路况侦测模块50包括路面侦测单元51，用于侦测路面的平整度。
路面侦测单元51与所述驾驶握姿侦测模块200及所述车速调节模块40协调工作。在车辆行驶过程中，所述驾驶握姿侦测模块200及所述车速调节模 块40持续向控制模块30反馈相应的信息。当所述路面侦测单元51侦测到路面不平整或有障碍物时，若所述驾驶握姿侦测模块200侦测到用户对所述方向盘10的握姿不正确，且所述车速调节模块40侦测到车辆速度大于第二限定速度(如60km/h)，超过一设定的延时时间后，例如3秒后，则所述控制模块30向所述提示模块20发出启动指令，且向所述车速调节模块40发出降速指令。直至驾驶员恢复正确的驾驶握姿，所述报警模块20才停止警报，且所述控制模块30停止向车速调节模块40发出减速的指令。
进一步地，所述路况侦测模块50还包括弯道侦测单元52，用于侦测道路前方是否出现弯道。弯道侦测单元52及路面侦测单元51均可采用摄像装置、声波探测装置、红外探测装置等具备路面检测功能的元件组成。
所述弯道侦测单元52与所述驾驶握姿侦测模块200及所述车速调节模块40协调工作。在车辆行驶过程中，所述驾驶握姿侦测模块200及车速调节模块40持续向控制模块30反馈相应的信息。当所述弯道侦测单元52侦测到前方有弯道时，若所述驾驶握姿侦测模块200侦测到用户对所述方向盘10的握姿不正确，且所述车速调节模块40侦测到车辆速度大于第三限定速度(如30km/h)，超过一设定的延时时间后，例如2秒后，则所述控制模块30向所述提示模块20发出启动指令，且向所述车速调节模块40发出降速指令。直至驾驶员恢复正确的驾驶握姿，所述驾驶握姿侦测模块200才停止警报，且所述控制模块30停止向车速调节模块40发出减速的指令。在弯道中所给予的延时时间需少于在颠簸路况所给予的延时时间的原因在于：通过弯道过程中应当尽量避免分心的操作，然而有些驾驶动作却是无法避免的，比如换档，因此在允许的范围内尽量减少所宽限的时间。
进一步地，所述车速调节模块40还包括助力单元，其用于车辆转弯时为所述车辆提供转向辅助动力。当弯道侦测单元52侦测到前方有弯道，且驾驶握姿侦测模块200侦测到用户采用单手把握方向盘时，助力单元提供第一助力；当弯道侦测单元52侦测到前方有弯道，且驾驶握姿侦测模块200侦测到用户采用双手把握方向盘时，助力单元提供第二助力；所述第一助力大于所述第二助力。也就是说，当驾驶握姿侦测模块200侦测到驾驶员单手握方向盘时，控制模块30控制助力单元产生更大的助力，以避免单手操控导致转向不足的 问题。
本实施例中，由于所述车辆安全驾驶控制系统还包括路况侦测模块50，且所述路况侦测模块50与所述驾驶握姿侦测模块200及所述车速调节模块40协调工作，因此，在路况侦测模块50侦测到路面不平整或前方道路有弯道时，同时所述驾驶握姿侦测模块200侦测到用户驾驶握姿不正确时，所述车辆安全驾驶控制系统不仅进行提示，还同时采取降速的措施，直至用户纠正驾驶握姿，从而使用户在路面不平整或前方道路有弯道时更注意保持驾驶握姿的正确性，防止交通事故的发生。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上所述的实施方式，并不构成对该技术方案保护范围的限定。任何在上述实施方式的精神和原则之内所作的修改、等同替换和改进等，均应包含在该技术方案的保护范围之内。

Claims (11)

  1. 一种车辆安全驾驶控制系统，其特征在于，包括方向盘、提示模块和控制模块；
    所述方向盘包括方向盘主体及设置于方向盘主体上的驾驶握姿侦测模块，所述驾驶握姿侦测模块延伸的轨迹与所述方向盘主体延伸的轨迹一致，所述驾驶握姿侦测模块用于侦测用户对所述方向盘的握姿；
    当所述驾驶握姿侦测模块侦测到用户对所述方向盘的握姿错误时，所述控制模块向所述提示模块发出启动指令；
    所述提示模块接收到所述启动指令后进行提示。
  2. 如权利要求1所述的车辆安全驾驶控制系统，所述驾驶握姿侦测模块为侦测精度精确到用户手指的柔性触摸装置。
  3. 如权利要求2所述的车辆安全驾驶控制系统，所述方向盘主体呈环状延伸，柔性触摸装置的延伸轨迹与方向盘主体的延伸轨迹相同。
  4. 如权利要求3所述的车辆安全驾驶控制系统，其特征在于，所述驾驶握姿侦测模块包覆方向盘主体，驾驶握姿侦测模块在方向盘主体上的面积覆盖率大于80％。
  5. 如权利要求1至4任一项所述的车辆安全驾驶控制系统，其特征在于，所述车辆安全驾驶控制系统还包括车速调节模块，用于侦测和调节车辆的速度；
    所述车速调节模块与所述控制模块连接，当所述驾驶握姿侦测模块侦测到用户对所述方向盘的握姿不正确时，并且所述车速调节模块侦测到车速大于第一限定速度时，所述控制模块向所述提示模块发出启动指令并向所述车速调节模块发出降速指令。
  6. 如权利要求5所述的车辆安全驾驶控制系统，其特征在于，所述控制模块设定延时时间，当驾驶握姿侦测模块侦测到用户对所述方向盘的握姿不正确超过延时时间后，并且所述车速调节模块侦测到车速大于所述第一限定速度时，所述控制模块向所述提示模块发出启动指令并向所述车速调节模块发出降速指令。
  7. 如权利要求5所述的车辆安全驾驶控制系统，其特征在于，所述车辆安全驾驶控制系统还包括路况侦测模块，用于侦测道路状况；
    所述路况侦测模块与所述控制模块连接，以使所述控制模块读取所述路况侦测模块所侦测到的关于道路状况的信息。
  8. 如权利要求7所述的车辆安全驾驶控制系统，其特征在于，所述路况侦测模块包括路面侦测单元，用于侦测路面的平整度；
    当所述路面侦测单元侦测到路面不平整或有障碍物时，若用户对所述方向盘的握姿不正确，并且车辆速度大于第二限定速度，则所述控制模块向所述提示模块发出启动指令，且向所述车速调节模块发出降速指令。
  9. 如权利要求8所述的车辆安全驾驶控制系统，其特征在于，所述路况侦测模块还包括弯道侦测单元，用于侦测道路前方是否出现弯道；
    当所述弯道侦测单元侦测到前方有弯道时，若用户对所述方向盘的握姿不正确，并且车辆速度大于第三限定速度，则所述控制模块向所述提示模块发出启动指令，向所述车速调节模块发出降速指令。
  10. 如权利要求9所述的车辆安全驾驶控制系统，其特征在于，所述车速调节模块还包括助力单元，当弯道侦测单元侦测到前方有弯道，且驾驶握姿侦测模块侦测到用户采用单手把握方向盘时，助力单元提供第一助力；当弯道侦测单元侦测到前方有弯道，且驾驶握姿侦测模块侦测到用户采用双手把握方向盘时，助力单元提供第二助力；所述第一助力大于所述第二助力。
  11. 如权利要求9所述的车辆安全驾驶控制系统，其特征在于，所述第一限定速度大于所述第二限定速度，所述第二限定速度大于所述第三限定速度。
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