阅读说明：本技术 一种新能源客车方向盘安全控制系统 (New forms of energy passenger train steering wheel safety control system ) 是由 徐浩 张婷婷 田能能 袁明 于 2021-07-19 设计创作，主要内容包括：本发明公开了一种新能源客车方向盘安全控制系统,该系统是由方向盘安全按钮、整车控制器、继电器、伺服电机、方向盘锁止装置、仪表、双闪灯、电机控制器、驱动电机、转向泵组成。所述整车部件信息与整车控制器实时通讯；本发明通过方向盘安全按钮、整车控制器及方向盘锁止装置等部件,当遇到突发乘客争夺方向盘时,司机按下方向盘上的安全保护按钮,整车控制器接收到信号,通过判断当前车速以及方向情况,然后驱动伺服电机工作,带动方向盘锁止装置将方向盘锁定。同时整车控制器控制双闪灯光以及稳定车速,辅助司机将车停稳。防止方向盘在争夺时大幅度偏转,从而引发的交通安全事故。(The invention discloses a steering wheel safety control system of a new energy bus, which consists of a steering wheel safety button, a vehicle control unit, a relay, a servo motor, a steering wheel locking device, an instrument, a double-flash lamp, a motor controller, a driving motor and a steering pump. The vehicle component information is communicated with a vehicle controller in real time; according to the invention, through the parts such as the steering wheel safety button, the vehicle control unit, the steering wheel locking device and the like, when an unexpected passenger contends for the steering wheel, the driver presses the safety protection button on the steering wheel, the vehicle control unit receives a signal, and drives the servo motor to work by judging the current vehicle speed and direction conditions, so as to drive the steering wheel locking device to lock the steering wheel. Meanwhile, the whole vehicle controller controls the double-flash light and stabilizes the vehicle speed, and assists a driver to stop the vehicle stably. The steering wheel is prevented from deflecting greatly when competing for, thereby causing traffic safety accidents.)

1. A safety control system for a steering wheel of a new energy bus is characterized by comprising a steering wheel safety button; the steering wheel safety button is in communication connection with the vehicle control unit, the vehicle control unit is electrically connected with the servo motor through the relay, and the output end of the servo motor is connected with the steering wheel locking device.

2. The safety control system for the steering wheel of the new energy passenger car as claimed in claim 1, wherein the vehicle control unit is respectively in communication connection with a motor controller, a steering pump and a meter CAN, the motor controller is electrically connected with a driving motor, and the meter is electrically connected with a dual-flash lamp.

3. The safety control system for the steering wheel of the new energy bus as claimed in claim 1, wherein the steering wheel safety button is used for acquiring whether a driver presses down information, and if so, the information is transmitted to the whole bus controller through a high-level signal.

4. The safety control system for the steering wheel of the new energy passenger car as claimed in claim 1, wherein the vehicle control unit processes the received information and controls a relay, an instrument, a motor controller and a steering pump to work correspondingly.

5. The safety control system for the steering wheel of the new energy passenger car as claimed in claim 4, wherein when the vehicle control unit receives the information that the driver presses the safety button of the steering wheel, the vehicle control unit controls the servo motor to rotate forward to adjust the locking device of the steering wheel, so that the steering wheel is locked.

6. The safety control system for the steering wheel of the new energy passenger car as claimed in claim 4, wherein when the vehicle control unit receives the information that the driver presses the safety button of the steering wheel, the vehicle control unit stops transmitting the rotating speed command to the steering pump, so that the power of the steering system is lost, and the direction is stabilized.

7. The safety control system for the steering wheel of the new energy passenger car as claimed in claim 4, wherein when the vehicle control unit receives the information that the driver presses the safety button of the steering wheel, the vehicle control unit transmits a deceleration command to the motor controller through the CAN line according to the real-time speed and the steering angle of the vehicle, and the motor controller outputs a negative torque to the driving motor to reduce the speed of the vehicle.

8. The safety control system for the steering wheel of the new energy passenger car as claimed in claim 4, wherein when the vehicle controller receives the information that the driver presses the safety button of the steering wheel, the vehicle controller sends a command to turn on the dual-flash lamp to the instrument through the CAN line, and the dual-flash lamp is turned on.

Technical Field

The invention relates to the technical field of new energy passenger cars, in particular to a steering wheel safety control system of a new energy passenger car.

Background

Chinese patent CN105416232B discloses a monitoring system and method for preventing car steering wheel from being robbed, which monitors whether a car steering wheel robbing event occurs or not through a robbing signal monitoring unit, and generates an effective robbing signal when detecting that the car steering wheel robbing event occurs; the signal is input into a controller, and the controller generates a control signal according to the effective robbing signal; and inputting the control signal to a drive execution unit, wherein the drive execution unit generates and executes a protection action according to the control signal. Whether the car steering wheel takes the robbery event can be effectively monitored in real time, and the execution protection action is generated, so that the driving safety of the car is improved.

The new energy bus adopts a motor as a power system, and utilizes a power battery to provide electric energy for the motor to drive the motor to rotate, thereby pushing the automobile to run. In recent years, in buses or buses, the driver and passengers struggle for grabbing the steering wheel, and when the driver and the passengers grab the steering wheel, the steering wheel is not held by the driver, the vehicle can randomly run and possibly collide with objects such as passersby, other vehicles and the like, the vehicle speed cannot be rapidly reduced, and the vehicle can also collide at a higher speed under the action of inertia, so that the traffic safety accident caused by the out-of-control vehicle is larger or smaller.

Therefore, the safety control system for the steering wheel of the new energy bus is urgently needed, the effect of the safety control system is that when passengers compete for the steering wheel or other emergencies with a driver, the direction stability of the vehicle can be ensured, the driver is helped to control the direction and the speed, and the accident caused by the violent turning of the direction of the vehicle is prevented.

Disclosure of Invention

The invention aims to provide a steering wheel safety control system of a new energy bus, which is characterized in that a vehicle control unit is used for respectively controlling a steering wheel locking device, a driving motor, a steering pump and a double-flashing light to work, so that the effects of locking a steering wheel, reducing the speed of the bus, quickly stabilizing the direction and reminding surrounding vehicles can be achieved, and the problem of traffic accidents caused by the situation that passengers compete for the steering wheel is avoided.

The purpose of the invention can be realized by the following technical scheme:

a new energy passenger car steering wheel safety control system comprises a steering wheel safety button; the steering wheel safety button is in communication connection with the vehicle control unit, the vehicle control unit is electrically connected with the servo motor through the relay, and the output end of the servo motor is connected with the steering wheel locking device.

As a further scheme of the invention: the vehicle control unit is respectively in communication connection with the motor controller, the steering pump and the instrument CAN, the motor controller is electrically connected with the driving motor, and the instrument is electrically connected with the double-flash-lamp.

As a further scheme of the invention: the steering wheel safety button is used for acquiring whether a driver presses down information, and if the driver presses down the information, the information is transmitted to the whole vehicle controller through a high-level signal.

As a further scheme of the invention: and the vehicle control unit processes the received information and controls the relay, the instrument, the motor controller and the steering pump to work correspondingly.

As a further scheme of the invention: when the vehicle control unit receives the information that a driver presses a steering wheel safety button, the vehicle control unit controls the servo motor to rotate positively to adjust the steering wheel locking device, so that the steering wheel is locked.

As a further scheme of the invention: when the vehicle control unit receives the information that a driver presses a steering wheel safety button, the vehicle control unit stops transmitting a rotating speed instruction to the steering pump, so that the power of a steering system is lost, and the direction is stabilized.

As a further scheme of the invention: when the vehicle control unit receives information that a driver presses a steering wheel safety button, the vehicle control unit transmits a deceleration instruction to the motor controller through the CAN line according to the real-time speed and the steering angle of the vehicle, and the motor controller outputs negative torque to the driving motor to reduce the vehicle speed.

As a further scheme of the invention: when the vehicle control unit receives the information that a driver presses a steering wheel safety button, the vehicle control unit sends a double-flash-lamp lighting instruction to the instrument through the CAN line, and double flashes are turned on.

The invention has the beneficial effects that:

according to the invention, through the parts such as the steering wheel safety button, the vehicle control unit, the steering wheel locking device and the like, when an unexpected passenger contends for the steering wheel, the driver presses the safety protection button on the steering wheel, the vehicle control unit receives a signal, and drives the servo motor to work by judging the current vehicle speed and direction conditions, so as to drive the steering wheel locking device to lock the steering wheel. Meanwhile, the whole vehicle controller controls the double-flash light and stabilizes the vehicle speed, and assists a driver to stop the vehicle stably. The steering wheel is prevented from deflecting greatly when competing for, thereby causing traffic safety accidents. Therefore, the invention has good social benefit and is suitable for popularization and use, so that when passengers compete for a steering wheel or other emergency situations with a driver, the invention can ensure the direction stability of the vehicle, help the driver to control the direction and the speed and prevent accidents caused by the direction jerking of the vehicle.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a system block diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the present invention is a safety control system for a new energy bus steering wheel, which comprises a steering wheel safety button, a vehicle control unit, a relay, a servo motor, a steering wheel locking device, a meter, a dual-flash lamp, a motor controller, a driving motor, and a steering pump. The steering wheel safety button is an operation button arranged on a steering wheel, and is used for pressing down a safety protection button on the steering wheel by a driver to carry out safety protection when the driver contends for the steering wheel by unexpected passengers;

the steering wheel safety button is in communication connection with the vehicle control unit and is used for acquiring whether a driver presses down information or not, and if the driver presses down the information, the information is transmitted to the vehicle control unit through a high-level signal; the vehicle control unit processes the received information and controls other components to work;

the situation that the vehicle control unit controls the steering wheel locking device to work is specifically as follows:

the vehicle control unit, the relay and the servo motor are electrically connected, and the servo motor is mechanically connected with the steering wheel locking device; the vehicle control unit can control the servo motor to rotate forwards and backwards, so that the steering wheel locking device is adjusted, the steering wheel is correspondingly in an open or locked state, and the passenger car is subjected to first safety protection;

the situation that the vehicle control unit controls the driving motor to work is specifically as follows:

the vehicle controller is in CAN communication connection with the motor controller, and the motor controller is electrically connected with the driving motor, so that the vehicle controller CAN transmit instructions such as motor torque and rotating speed to the motor controller through a CAN line, the rotating speed of the driving motor is adjusted, the vehicle speed is reduced rapidly, and a driver is helped to control the vehicle to stop stably rapidly; on the basis of locking the steering wheel, the speed of the passenger car can be reduced, the safety of the passenger car when the passenger car is robbed of the steering wheel can be further improved, and secondary safety protection is provided for the passenger car;

the situation that the vehicle control unit controls the steering pump is specifically as follows:

the vehicle control unit is connected with the steering pump through CAN communication, so that the vehicle control unit CAN control the rotating speed of the steering pump, different steering power aids are provided, the passenger car CAN be helped to quickly stabilize the direction, and the direction CAN be quickly stabilized on the basis of locking a steering wheel and reducing the speed of the passenger car, so that the passenger car CAN be subjected to third-layer safety protection;

the situation that the whole vehicle controller controls the double-flash lamp is specifically as follows:

the whole vehicle controller is in CAN communication connection with the instrument, and the instrument is electrically connected with the double-flashing light, so that the whole vehicle controller transmits a starting and stopping double-flashing light signal to the instrument through a CAN line to remind surrounding vehicles of paying attention to safety;

therefore, the whole vehicle controller respectively controls the steering wheel locking device, the driving motor, the steering pump and the double-flashing light to work, so that the effects of locking the steering wheel, reducing the speed of the vehicle, quickly stabilizing the direction and reminding surrounding vehicles can be achieved for the passenger vehicle, and therefore when sudden passengers compete for the steering wheel, the driver presses the safety protection button on the steering wheel, and the passenger vehicle can be protected in multiple ways; the steering wheel is prevented from deflecting greatly when competing for the seizing, so that traffic safety accidents are caused, and therefore, the steering wheel steering device has good social benefits and is suitable for popularization and use;

example 2

The utility model provides a new forms of energy passenger train steering wheel safety control system, this system specific operation includes the following step:

s1, when the driver contends for the steering wheel by others, the driver presses the steering wheel safety button, and the vehicle control unit receives the high level signal and enters the steering wheel safety control logic;

s2, the vehicle control unit collects vehicle component information through a CAN line in real time, a relay is conducted at the same time, a servo motor is driven to rotate forwards, the servo motor is mechanically connected with a steering wheel locking device, the steering wheel is locked by the locking device and cannot rotate under the driving of the servo motor, and meanwhile, the vehicle control unit stops transmitting a rotating speed instruction to a steering pump, so that the power of a steering system is lost, and the direction is quickly stabilized;

s3, simultaneously, the vehicle control unit transmits a deceleration instruction to the motor controller through the CAN line according to the real-time speed and the steering angle of the vehicle, and the motor controller outputs negative torque to the driving motor to rapidly reduce the vehicle speed and help a driver to rapidly control the vehicle to stop stably;

s4, when the steering wheel safety button is pressed down, the whole vehicle control sends a double-flashing light lighting instruction to the instrument through the CAN line, and the double flashing light is turned on to remind surrounding vehicles of paying attention to safety.

The working principle of the invention is as follows: through parts such as steering wheel safety button, vehicle control unit and steering wheel locking device, when meetting unexpected passenger and striving for the steering wheel, the driver presses the safety protection button on the steering wheel, and vehicle control unit receives the signal, through judging current speed of a motor vehicle and direction condition, then drives servo motor work, drives steering wheel locking device and locks the steering wheel. Meanwhile, the whole vehicle controller controls the double-flash light and stabilizes the vehicle speed, and assists a driver to stop the vehicle stably. The steering wheel is prevented from deflecting greatly when competing for, thereby causing traffic safety accidents.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.