WO2014067380A1 - Automotive automatic brake apparatus - Google Patents

Automotive automatic brake apparatus Download PDF

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Publication number
WO2014067380A1
WO2014067380A1 PCT/CN2013/084781 CN2013084781W WO2014067380A1 WO 2014067380 A1 WO2014067380 A1 WO 2014067380A1 CN 2013084781 W CN2013084781 W CN 2013084781W WO 2014067380 A1 WO2014067380 A1 WO 2014067380A1
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WO
WIPO (PCT)
Prior art keywords
piston
brake
pedal
brake device
magnetic fluid
Prior art date
Application number
PCT/CN2013/084781
Other languages
French (fr)
Chinese (zh)
Inventor
冯林
Original Assignee
Feng Lin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Feng Lin filed Critical Feng Lin
Priority to CN201380005472.XA priority Critical patent/CN104169137B/en
Publication of WO2014067380A1 publication Critical patent/WO2014067380A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/04—Brake-action initiating means for personal initiation foot actuated
    • B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/745—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B60T7/22—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle, or by means of contactless obstacle detectors mounted on the vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
    • F16D57/002—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders comprising a medium with electrically or magnetically controlled internal friction, e.g. electrorheological fluid, magnetic powder

Definitions

  • the invention relates to an automatic brake device, in particular to an automatic brake device for automobiles. Background technique
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide an automatic brake device for an automobile.
  • the automobile automatically brakes to reduce the occurrence of a traffic accident.
  • the automatic brake device of the automobile comprises a magnetic fluid brake device, a brake pedal, a vehicle radar and a controller;
  • the magnetic fluid brake device comprises a piston cylinder, a suspension piston, a piston rod, a drive wheel, a magnetic fluid
  • the brake pedal includes a foot lever and a foot pedal, the foot rod is hinged to the cab floor, the foot pedal is located below the hinge;
  • the brake pump drive shaft is connected with the foot rod, the drive shaft Located below the hinge, the drive shaft is located between the hinge and the foot pedal;
  • the piston cylinder is fixedly connected with the cab floor, the magnetic fluid is disposed in the piston cylinder, the suspension piston is suspended in the magnetic fluid, and the suspension piston is fixedly connected with the piston rod, the piston
  • the rod is connected with the driving wheel, the driving wheel is connected with the foot rod, the driving wheel is located above the hinge, the hinge is located between the driving wheel and the foot pedal;
  • the automobile radar comprises a main body, a front ultrasonic sensor and a rear
  • the working principle of the automatic brake device of the automobile is: When the front ultrasonic sensor or the rear ultrasonic sensor of the automobile radar detects an obstacle, the front ultrasonic sensor or the rear ultrasonic sensor transmits a signal to the host, and the host transmits the signal to the controller, the controller
  • the electromagnetic coil is controlled to be energized, and the electromagnetic coil generates a magnetic field to magnetize the magnetic fluid of the piston cylinder, so that the specific gravity of the magnetic fluid is continuously increased, and the floating piston is continuously increased by the buoyancy of the magnetic fluid, and the buoyancy of the floating piston is used to pass the piston rod.
  • the driving wheel automatically drives the pedal lever to swing in the direction of the brake.
  • the pedal lever is used to drive the brake pump brake to prevent the driver from panicking and the foot does not step on the brake plate to reduce the occurrence of traffic accidents.
  • the automatic brake device of the automobile is provided with a magnetic fluid brake device, a brake pedal, a car radar and a controller.
  • the radar transmits the brake signal to the control.
  • the controller controls the magnetic fluid brake device to drive the brake pedal automatic brake to prevent the driver from being nervous and unable to step on the brake pedal and reduce the occurrence of traffic accidents.
  • Figure 1 is a schematic view showing the structure of an automatic brake device for an automobile. detailed description
  • FIG. 1 is a schematic view showing the structure of an automatic brake device for an automobile.
  • the automatic brake device includes a magnetic fluid brake device 1, a brake pedal 2, an automobile radar 3, and a controller 4;
  • the magnetic fluid brake device 1 includes a piston cylinder 5, and a suspension
  • the brake pedal 2 includes a footrest 11 and a footboard 12, and the pedaling rod 11 is provided with a hinge 13 connected to the cab floor 14.
  • the foot pedal 12 is located below the hinge 13; the drive shaft 15 of the brake pump 20 of the automobile is connected to the foot lever 11, the drive shaft 15 is located below the hinge 13, and the drive shaft 15 is located between the hinge 13 and the foot pedal 12; 5 is fixedly connected with the cab floor 14 , the magnetic fluid 9 is disposed in the piston cylinder 5 , the suspension piston 6 is suspended in the magnetic fluid 9 , the suspension piston 6 is fixedly connected with the piston rod 7 , and the piston rod 7 is connected with the driving wheel 8 , the driving wheel 8 is connected to the foot lever 11, the driving wheel 8 is located above the hinge 13, and the hinge 13 is located between the driving wheel 8 and the footboard 12; the automobile radar 3 includes a host 16, front ultrasonic sensing After the bar 17 and the ultrasonic sensor 18, the controller 4 is provided with a control line connected to the host computer 16 and the electromagnetic coil 10, the ultrasonic sensor 17 is mounted on the front of the car before the bar, the ultrasonic sensor 18 is mounted on an automobile.
  • the unbraked state of the automatic brake device of the automobile is: the electromagnetic coil 10 is not energized, the magnetic fluid 9 is not magnetized, the suspension piston 6 sinks to the bottom of the piston cylinder 5, and the driving wheel 8 drives the pedal lever 11 to swing the brake force less than the suspension piston 6
  • the buoyancy force received by the piston cylinder 5, the foot lever 11 is in the unbrake position.
  • the braking state of the automatic brake device of the automobile is: the electromagnetic coil 10 is energized, and the magnetic fluid 9 is magnetically
  • the specific gravity of the magnetic fluid 9 is continuously increased, and the buoyancy of the suspension piston 6 in the piston cylinder 5 is continuously increased.
  • the buoyancy of the suspension piston 6 in the piston cylinder 5 is greater than the force of the driving wheel 8 driving the pedal lever 11 to swing the brake, and the suspension piston 6 Ascending in the piston cylinder 5 causes the piston rod 7 and the drive wheel 8 to be raised to drive the foot lever 11 to swing in the braking direction, so that the foot lever 11 is in the braking position.
  • the braking principle of the automatic brake device is: controlling the current flowing into the electromagnetic coil 10 by the controller 4, controlling the buoyancy of the suspension piston 6 in the piston cylinder 5 by the magnitude of the current intensity of the electromagnetic coil 10, and using the suspension piston 6 in the piston cylinder 5
  • the buoyancy force drives the brake pedal 11 brake to achieve the purpose of automatically controlling the brake by the controller 4
  • the buoyancy of the suspension piston 6 in the piston cylinder 5 is proportional to the magnitude of the current passing through the electromagnetic coil 10, the brake foot
  • the swinging force of the pedal 11 is proportional to the buoyancy of the suspension piston 6 in the piston cylinder 5, so as to achieve the purpose of controlling the current of the electromagnetic coil 10 by the controller 4, and achieving the purpose of automatically controlling the brake pedal 2 brake.
  • the piston rod 7 is provided with an axle 19, and the drive wheel 8 is movably coupled with the axle 19; the drive wheel 8 is in contact with the pedal lever 11, the drive wheel 8 is located below the footrest 11; the piston cylinder 5 is located to the left of the hinge 13, the centerline of the piston rod 7 is perpendicular to the axis of the hinge 13, and the axis of the drive wheel 8 is perpendicular to the centerline of the piston rod 7.
  • the braking process of the automatic brake device of the automobile is: the piston rod 7 is raised, the driving wheel 8 is in rotational contact with the pedal lever 11, the foot lever 11 is rotated in the clockwise direction, and the foot lever 11 drives the brake pump 20 to brake.
  • the working principle of the automatic brake device of the automobile is that when the front ultrasonic sensor 17 or the rear ultrasonic sensor 18 of the automobile radar 3 detects an obstacle, the front ultrasonic sensor 17 or the rear ultrasonic sensor 18 transmits a signal to the host 16, and the host 16 signals. It is transmitted to the controller 4, the controller 4 controls the electromagnetic coil 10 to be energized, the electromagnetic coil 10 generates a magnetic field to magnetize the magnetic fluid 9 of the piston cylinder 5, so that the specific gravity of the magnetic fluid 9 is continuously increased, and the floating piston 6 is continuously increased by the buoyancy of the magnetic fluid 9.
  • the buoyancy of the suspension piston 6 is used to automatically drive the pedal lever 11 to swing in the braking direction through the piston rod 7 and the driving wheel 8, and the brake pedal 5 is driven to brake by the pedal lever 11 to prevent the driver from being flustered and the brake pedal 12 is not stepped on the brake pedal 12 , reduce the occurrence of traffic accidents.

Abstract

An automotive automatic braking apparatus, comprising a magnetic fluid brake apparatus (1), a brake pedal (2), an automobile radar (3), and a controller (4). When a person or other obstacles suddenly appear either in front of or behind an automobile, the radar transmits a brake signal to the controller, and the controller controls the magnetic fluid brake apparatus to drive the brake pedal to brake automatically, thus preventing scenarios that a driver cannot step onto the brake pedal due to nervousness, and reducing the occurrence of traffic accidents.

Description

汽车自动刹车装置  Automatic brake device
技术领域 Technical field
本发明涉及一种自动刹车装置， 特别是一种汽车自动刹车装置。 背景技术  The invention relates to an automatic brake device, in particular to an automatic brake device for automobiles. Background technique
汽车在驾驶时， 如果汽车的前面或者后面突然出现人或其他障碍物需 要刹车紧急时， 由于驾驶员的精神紧张， 慌乱中有些驾驶员的脚没有踩到 刹车脚踏， 造成严重的交通事故。 发明内容  When the car is driving, if a person or other obstacle suddenly appears in front of or behind the car and needs to brake urgently, some drivers' feet are not stepping on the brake pedal due to the driver's nervousness, causing serious traffic accidents. Summary of the invention
本发明的目的是克服现有技术的不足， 提供一种汽车自动刹车装置， 当汽车的前面或者后面突然出现人或其他障碍物时， 汽车自动刹车， 减少 交通事故的发生。  SUMMARY OF THE INVENTION The object of the present invention is to overcome the deficiencies of the prior art and to provide an automatic brake device for an automobile. When a person or other obstacle suddenly appears in front of or behind the automobile, the automobile automatically brakes to reduce the occurrence of a traffic accident.
本发明所采用的技术方案是： 汽车自动刹车装置包括有磁流体刹车 装置、 刹车脚踏、 汽车雷达以及控制器； 磁流体刹车装置包括有活塞缸、 悬浮活塞、 活塞杆、 驱动轮、 磁流体以及电磁线圈， 刹车脚踏包括有脚踏 杆以及脚踏板， 脚踏杆设有铰链与驾驶室底板连接， 脚踏板位于铰链的下 方； 刹车泵的驱动轴与脚踏杆连接， 驱动轴位于铰链的下方， 驱动轴位于 铰链与脚踏板之间；活塞缸与驾驶室底板固定连接，磁流体设于活塞缸内， 悬浮活塞悬浮于磁流体中， 悬浮活塞与活塞杆固定连接， 活塞杆与驱动轮 连接， 驱动轮与脚踏杆连接， 驱动轮位于铰链的上方， 铰链位于驱动轮与 脚踏板之间；汽车雷达包括有主机、前超声波传感器以及后超声波传感器， 控制器设有控制线与主机以及电磁线圈连接， 前超声波传感器安装于汽车 的前杠， 后超声波传感器安装于汽车的后杠。  The technical solution adopted by the invention is: the automatic brake device of the automobile comprises a magnetic fluid brake device, a brake pedal, a vehicle radar and a controller; the magnetic fluid brake device comprises a piston cylinder, a suspension piston, a piston rod, a drive wheel, a magnetic fluid And an electromagnetic coil, the brake pedal includes a foot lever and a foot pedal, the foot rod is hinged to the cab floor, the foot pedal is located below the hinge; the brake pump drive shaft is connected with the foot rod, the drive shaft Located below the hinge, the drive shaft is located between the hinge and the foot pedal; the piston cylinder is fixedly connected with the cab floor, the magnetic fluid is disposed in the piston cylinder, the suspension piston is suspended in the magnetic fluid, and the suspension piston is fixedly connected with the piston rod, the piston The rod is connected with the driving wheel, the driving wheel is connected with the foot rod, the driving wheel is located above the hinge, the hinge is located between the driving wheel and the foot pedal; the automobile radar comprises a main body, a front ultrasonic sensor and a rear ultrasonic sensor, and the controller is provided The control line is connected to the main body and the electromagnetic coil, and the front ultrasonic sensor is mounted on the front bumper of the automobile. An ultrasonic sensor mounted on the rear bumper of the car.
汽车自动刹车装置的工作原理是： 当汽车雷达的前超声波传感器或 者后超声波传感器检测到有障碍物时， 前超声波传感器或者后超声波传感 器将信号传输给主机， 主机将信号传输给控制器， 控制器控制电磁线圈通 电， 电磁线圈产生磁场将活塞缸的磁流体磁化，使磁流体的比重不断增加， 悬浮活塞受到磁流体的浮力不断增加， 利用悬浮活塞的浮力通过活塞杆以 及驱动轮自动驱动脚踏杆按刹车方向摆动， 利用脚踏杆驱动刹车泵刹车， 防止驾驶员心慌脚乱， 脚没踩刹车板， 减少交通事故的发生。 The working principle of the automatic brake device of the automobile is: When the front ultrasonic sensor or the rear ultrasonic sensor of the automobile radar detects an obstacle, the front ultrasonic sensor or the rear ultrasonic sensor transmits a signal to the host, and the host transmits the signal to the controller, the controller The electromagnetic coil is controlled to be energized, and the electromagnetic coil generates a magnetic field to magnetize the magnetic fluid of the piston cylinder, so that the specific gravity of the magnetic fluid is continuously increased, and the floating piston is continuously increased by the buoyancy of the magnetic fluid, and the buoyancy of the floating piston is used to pass the piston rod. The driving wheel automatically drives the pedal lever to swing in the direction of the brake. The pedal lever is used to drive the brake pump brake to prevent the driver from panicking and the foot does not step on the brake plate to reduce the occurrence of traffic accidents.
本发明的有益效果是： 汽车自动刹车装置设有磁流体刹车装置、 刹车 脚踏、 汽车雷达以及控制器， 当汽车的前面或者后面突然出现人或其他障 碍物时， 雷达将刹车信号传输给控制器， 控制器控制磁流体刹车装置驱动 刹车脚踏自动刹车， 防止驾驶员精神紧张脚踩不到刹车脚踏， 减少交通事 故的发生。 附图说明  The utility model has the beneficial effects that: the automatic brake device of the automobile is provided with a magnetic fluid brake device, a brake pedal, a car radar and a controller. When a person or other obstacle suddenly appears in front of or behind the car, the radar transmits the brake signal to the control. The controller controls the magnetic fluid brake device to drive the brake pedal automatic brake to prevent the driver from being nervous and unable to step on the brake pedal and reduce the occurrence of traffic accidents. DRAWINGS
图 1是汽车自动刹车装置的结构示意图。 具体实施方式  Figure 1 is a schematic view showing the structure of an automatic brake device for an automobile. detailed description
下面结合附图对本发明进行进一歩的说明：  The present invention will be further described below in conjunction with the accompanying drawings:
图 1 所示的汽车自动刹车装置的结构示意图， 汽车自动刹车装置包 括有磁流体刹车装置 1、 刹车脚踏 2、 汽车雷达 3以及控制器 4; 磁流体刹 车装置 1包括有活塞缸 5、 悬浮活塞 6、 活塞杆 7、 驱动轮 8、 磁流体 9以 及电磁线圈 10， 刹车脚踏 2包括有脚踏杆 11 以及脚踏板 12， 脚踏杆 11 设有铰链 13与驾驶室底板 14连接， 脚踏板 12位于铰链 13的下方； 汽车 刹车泵 20的驱动轴 15与脚踏杆 11连接， 驱动轴 15位于铰链 13的下方， 驱动轴 15位于铰链 13与脚踏板 12之间； 活塞缸 5与驾驶室底板 14固定 连接， 磁流体 9设于活塞缸 5内， 悬浮活塞 6悬浮于磁流体 9中， 悬浮活 塞 6与活塞杆 7固定连接， 活塞杆 7与驱动轮 8连接， 驱动轮 8与脚踏杆 11连接， 驱动轮 8位于铰链 13的上方， 铰链 13位于驱动轮 8与脚踏板 12之间； 汽车雷达 3包括有主机 16、 前超声波传感器 17以及后超声波传 感器 18， 控制器 4设有控制线与主机 16以及电磁线圈 10连接， 前超声波 传感器 17安装于汽车的前杠， 后超声波传感器 18安装于汽车的后杠。  Figure 1 is a schematic view showing the structure of an automatic brake device for an automobile. The automatic brake device includes a magnetic fluid brake device 1, a brake pedal 2, an automobile radar 3, and a controller 4; the magnetic fluid brake device 1 includes a piston cylinder 5, and a suspension The piston 6, the piston rod 7, the driving wheel 8, the magnetic fluid 9, and the electromagnetic coil 10, the brake pedal 2 includes a footrest 11 and a footboard 12, and the pedaling rod 11 is provided with a hinge 13 connected to the cab floor 14. The foot pedal 12 is located below the hinge 13; the drive shaft 15 of the brake pump 20 of the automobile is connected to the foot lever 11, the drive shaft 15 is located below the hinge 13, and the drive shaft 15 is located between the hinge 13 and the foot pedal 12; 5 is fixedly connected with the cab floor 14 , the magnetic fluid 9 is disposed in the piston cylinder 5 , the suspension piston 6 is suspended in the magnetic fluid 9 , the suspension piston 6 is fixedly connected with the piston rod 7 , and the piston rod 7 is connected with the driving wheel 8 , the driving wheel 8 is connected to the foot lever 11, the driving wheel 8 is located above the hinge 13, and the hinge 13 is located between the driving wheel 8 and the footboard 12; the automobile radar 3 includes a host 16, front ultrasonic sensing After the bar 17 and the ultrasonic sensor 18, the controller 4 is provided with a control line connected to the host computer 16 and the electromagnetic coil 10, the ultrasonic sensor 17 is mounted on the front of the car before the bar, the ultrasonic sensor 18 is mounted on an automobile.
汽车自动刹车装置的未刹车状态是： 电磁线圈 10未通电， 磁流体 9 未被磁化， 悬浮活塞 6下沉于活塞缸 5的底部， 驱动轮 8驱动脚踏杆 11 摆动刹车的力小于悬浮活塞 6于活塞缸 5受到的浮力， 脚踏杆 11处于未 刹车位置。  The unbraked state of the automatic brake device of the automobile is: the electromagnetic coil 10 is not energized, the magnetic fluid 9 is not magnetized, the suspension piston 6 sinks to the bottom of the piston cylinder 5, and the driving wheel 8 drives the pedal lever 11 to swing the brake force less than the suspension piston 6 The buoyancy force received by the piston cylinder 5, the foot lever 11 is in the unbrake position.
汽车自动刹车装置的刹车状态是： 电磁线圈 10通电， 磁流体 9被磁 化， 磁流体 9的比重不断增加， 悬浮活塞 6于活塞缸 5受到的浮力不断增 加， 悬浮活塞 6于活塞缸 5受到的浮力大于驱动轮 8驱动脚踏杆 11摆动 刹车的力， 悬浮活塞 6于活塞缸 5内上升， 带动活塞杆 7以及驱动轮 8上 升驱动脚踏杆 11向刹车方向摆动， 使脚踏杆 11处于刹车位置。 The braking state of the automatic brake device of the automobile is: the electromagnetic coil 10 is energized, and the magnetic fluid 9 is magnetically The specific gravity of the magnetic fluid 9 is continuously increased, and the buoyancy of the suspension piston 6 in the piston cylinder 5 is continuously increased. The buoyancy of the suspension piston 6 in the piston cylinder 5 is greater than the force of the driving wheel 8 driving the pedal lever 11 to swing the brake, and the suspension piston 6 Ascending in the piston cylinder 5 causes the piston rod 7 and the drive wheel 8 to be raised to drive the foot lever 11 to swing in the braking direction, so that the foot lever 11 is in the braking position.
自动刹车装置的刹车原理是： 利用控制器 4控制通入电磁线圈 10的 电流， 利用通入电磁线圈 10 电流强度的大小控制悬浮活塞 6于活塞缸 5 受到的浮力， 利用悬浮活塞 6于活塞缸 5受到的浮力驱动刹车脚踏杆 11 刹车， 以达到利用控制器 4自动控制刹车的目的； 悬浮活塞 6于活塞缸 5 受到的浮力随着电磁线圈 10 通过的电流强度的大小成正比， 刹车脚踏杆 11的摆动力与悬浮活塞 6于活塞缸 5受到的浮力成正比， 以达到利用控制 器 4控制电磁线圈 10的电流， 达到自动控制刹车脚踏 2刹车的目的。  The braking principle of the automatic brake device is: controlling the current flowing into the electromagnetic coil 10 by the controller 4, controlling the buoyancy of the suspension piston 6 in the piston cylinder 5 by the magnitude of the current intensity of the electromagnetic coil 10, and using the suspension piston 6 in the piston cylinder 5 The buoyancy force drives the brake pedal 11 brake to achieve the purpose of automatically controlling the brake by the controller 4; the buoyancy of the suspension piston 6 in the piston cylinder 5 is proportional to the magnitude of the current passing through the electromagnetic coil 10, the brake foot The swinging force of the pedal 11 is proportional to the buoyancy of the suspension piston 6 in the piston cylinder 5, so as to achieve the purpose of controlling the current of the electromagnetic coil 10 by the controller 4, and achieving the purpose of automatically controlling the brake pedal 2 brake.
为了实施利用磁流体刹车装置 1的活塞杆 7驱动脚踏杆 11的目的， 活塞杆 7设有轮轴 19， 驱动轮 8与轮轴 19动配合连接； 驱动轮 8与脚踏 杆 11接触， 驱动轮 8位于脚踏杆 11的下方； 活塞缸 5位于铰链 13左边， 活塞杆 7的中心线与铰链 13的轴线垂直， 驱动轮 8的轴线与活塞杆 7的 中心线垂直。  In order to carry out the purpose of driving the foot lever 11 by the piston rod 7 of the magnetic fluid brake device 1, the piston rod 7 is provided with an axle 19, and the drive wheel 8 is movably coupled with the axle 19; the drive wheel 8 is in contact with the pedal lever 11, the drive wheel 8 is located below the footrest 11; the piston cylinder 5 is located to the left of the hinge 13, the centerline of the piston rod 7 is perpendicular to the axis of the hinge 13, and the axis of the drive wheel 8 is perpendicular to the centerline of the piston rod 7.
汽车自动刹车装置的刹车过程是： 活塞杆 7上升， 驱动轮 8与脚踏 杆 11转动接触， 脚踏杆 11按顺时针方向转动， 脚踏杆 11驱动刹车泵 20 刹车。  The braking process of the automatic brake device of the automobile is: the piston rod 7 is raised, the driving wheel 8 is in rotational contact with the pedal lever 11, the foot lever 11 is rotated in the clockwise direction, and the foot lever 11 drives the brake pump 20 to brake.
汽车自动刹车装置的工作原理是：当汽车雷达 3的前超声波传感器 17 或者后超声波传感器 18检测到有障碍物时， 前超声波传感器 17或者后超 声波传感器 18将信号传输给主机 16， 主机 16将信号传输给控制器 4， 控 制器 4控制电磁线圈 10通电， 电磁线圈 10产生磁场将活塞缸 5的磁流体 9磁化， 使磁流体 9的比重不断增加， 悬浮活塞 6受到磁流体 9的浮力不 断增加， 利用悬浮活塞 6的浮力通过活塞杆 7以及驱动轮 8自动驱动脚踏 杆 11按刹车方向摆动， 利用脚踏杆 11驱动刹车泵 5刹车， 防止驾驶员心 慌脚乱， 脚没踩刹车板 12， 减少交通事故的发生。  The working principle of the automatic brake device of the automobile is that when the front ultrasonic sensor 17 or the rear ultrasonic sensor 18 of the automobile radar 3 detects an obstacle, the front ultrasonic sensor 17 or the rear ultrasonic sensor 18 transmits a signal to the host 16, and the host 16 signals. It is transmitted to the controller 4, the controller 4 controls the electromagnetic coil 10 to be energized, the electromagnetic coil 10 generates a magnetic field to magnetize the magnetic fluid 9 of the piston cylinder 5, so that the specific gravity of the magnetic fluid 9 is continuously increased, and the floating piston 6 is continuously increased by the buoyancy of the magnetic fluid 9. The buoyancy of the suspension piston 6 is used to automatically drive the pedal lever 11 to swing in the braking direction through the piston rod 7 and the driving wheel 8, and the brake pedal 5 is driven to brake by the pedal lever 11 to prevent the driver from being flustered and the brake pedal 12 is not stepped on the brake pedal 12 , reduce the occurrence of traffic accidents.

Claims

权 利 要 求 书 Claim
1.汽车自动刹车装置， 其特征在于： 汽车自动刹车装置包括有磁流 体刹车装置 （1)、 刹车脚踏 （2)、 汽车雷达 （3) 以及控制器 （4); 磁流 体刹车装置 （1) 包括有活塞缸 （5)、 悬浮活塞 （6)、 活塞杆 （7)、 驱动 轮 （8)、 磁流体 （9) 以及电磁线圈 （10)， 刹车脚踏 （2) 包括有脚踏杆1. Auto brake device, characterized in that: the automatic brake device of the automobile comprises a magnetic fluid brake device (1), a brake pedal (2), a car radar (3) and a controller (4); a magnetic fluid brake device (1) ) includes a piston cylinder (5), a suspension piston (6), a piston rod (7), a drive wheel (8), a magnetic fluid (9), and an electromagnetic coil (10). The brake pedal (2) includes a foot lever.
(11) 以及脚踏板（12)， 脚踏杆（11)设有铰链（13)与驾驶室底板（14) 连接， 脚踏板 （12) 位于铰链 （13) 的下方； 汽车刹车泵 （20) 的驱动轴(11) and the foot pedal (12), the foot lever (11) is provided with a hinge (13) connected to the cab bottom plate (14), and the foot pedal (12) is located below the hinge (13); the car brake pump ( 20) drive shaft
(15) 与脚踏杆 （11) 连接， 驱动轴 （15) 位于铰链 （13) 的下方， 驱动 轴 （15) 位于铰链 （13) 与脚踏板 （12) 之间； 活塞缸 （5) 与驾驶室底 板 （14) 固定连接， 磁流体 （9) 设于活塞缸 （5) 内， 悬浮活塞 （6) 悬 浮于磁流体（9) 中， 悬浮活塞（6) 与活塞杆（7) 固定连接， 活塞杆（7) 与驱动轮 （8) 连接， 驱动轮 （8) 与脚踏杆 （11) 连接， 驱动轮 （8) 位 于铰链 （13) 的上方， 铰链 （13) 位于驱动轮 （8) 与脚踏板 （12) 之间； 汽车雷达 （3) 包括有主机 （16)、 前超声波传感器 （17) 以及后超声波传 感器 （18)， 控制器 （4) 设有控制线与主机 （16) 以及电磁线圈 （10) 连 接， 前超声波传感器 （17) 安装于汽车的前杠， 后超声波传感器 （18) 安 装于汽车的后杠。 (15) Connected to the foot lever (11), the drive shaft (15) is located below the hinge (13), and the drive shaft (15) is located between the hinge (13) and the foot pedal (12); the piston cylinder (5) Fixedly connected to the cab floor (14), the magnetic fluid (9) is placed in the piston cylinder (5), the suspension piston (6) is suspended in the magnetic fluid (9), and the suspension piston (6) is fixed to the piston rod (7) Connection, the piston rod (7) is connected to the drive wheel (8), the drive wheel (8) is connected to the foot lever (11), the drive wheel (8) is located above the hinge (13), and the hinge (13) is located on the drive wheel ( 8) Between the foot pedal (12); the car radar (3) includes a main unit (16), a front ultrasonic sensor (17) and a rear ultrasonic sensor (18), and the controller (4) is provided with a control line and a host ( 16) As well as the electromagnetic coil (10), the front ultrasonic sensor (17) is mounted on the front bumper of the car, and the rear ultrasonic sensor (18) is mounted on the rear bumper of the car.
2.根据权利要求 1 所述的汽车自动刹车装置， 其特征在于： 所述的 汽车自动刹车装置的未刹车状态是： 电磁线圈 （10) 未通电， 磁流体 （9) 未被磁化， 悬浮活塞 （6) 下沉于活塞缸 （5) 的底部， 驱动轮 （8) 驱动 脚踏杆（11)摆动刹车的力小于悬浮活塞（6)于活塞缸（5)受到的浮力， 脚踏杆 （11) 处于未刹车位置。  2. The automatic brake device for an automobile according to claim 1, wherein: the unbrided state of the automatic brake device of the automobile is: the electromagnetic coil (10) is not energized, the magnetic fluid (9) is not magnetized, and the suspension piston (6) Sinking at the bottom of the piston cylinder (5), the driving wheel (8) drives the pedal lever (11) to swing the brake force less than the buoyancy force of the suspension piston (6) in the piston cylinder (5), the pedal lever ( 11) In the unbraked position.
3.根据权利要求 1 所述的汽车自动刹车装置， 其特征在于： 所述的 汽车自动刹车装置的刹车状态是： 电磁线圈 （10) 通电， 磁流体 （9) 被 磁化， 磁流体 （9) 的比重不断增加， 悬浮活塞 （6) 于活塞缸 （5) 受到 的浮力不断增加， 悬浮活塞（6)于活塞缸（5)受到的浮力大于驱动轮（8) 驱动脚踏杆 （11) 摆动刹车的力， 悬浮活塞 （6) 于活塞缸 （5) 内上升， 带动活塞杆（7) 以及驱动轮（8)上升驱动脚踏杆（11) 向刹车方向摆动， 使脚踏杆 （11) 处于刹车位置。  The automatic brake device for an automobile according to claim 1, wherein: the brake state of the automatic brake device of the automobile is: electromagnetic coil (10) is energized, magnetic fluid (9) is magnetized, and magnetic fluid (9) The proportion of the suspension piston (6) is increasing in the piston cylinder (5), and the buoyancy force of the suspension piston (6) in the piston cylinder (5) is greater than that of the driving wheel (8) driving the pedal (11). The force of the brake, the suspension piston (6) rises in the piston cylinder (5), drives the piston rod (7) and the drive wheel (8) to drive the pedal (11) to swing in the direction of the brake, so that the pedal (11) In the brake position.
4.根据权利要求 1 所述的汽车自动刹车装置， 其特征在于： 所述的 汽车自动刹车装置的刹车原理是：利用控制器（4)控制通入电磁线圈（10) 的电流， 利用通入电磁线圈 （10) 电流强度的大小控制悬浮活塞 （6) 于 活塞缸 （5) 受到的浮力， 利用悬浮活塞 （6) 于活塞缸 （5) 受到的浮力 驱动刹车脚踏杆 （11) 刹车， 以达到利用控制器 （4) 自动控制刹车的目 的。 4. The automatic brake device for an automobile according to claim 1, wherein: The braking principle of the automatic brake device of the automobile is to control the current flowing into the electromagnetic coil (10) by the controller (4), and control the suspension piston (6) to the piston cylinder (5) by the magnitude of the current intensity of the electromagnetic coil (10). The buoyancy is controlled by the buoyancy force of the suspension piston (6) on the piston cylinder (5) to drive the brake pedal (11) to achieve the purpose of automatically controlling the brake by the controller (4).
5.根据权利要求 1 所述的汽车自动刹车装置， 其特征在于： 所述的 悬浮活塞 （6) 于活塞缸 （5) 受到的浮力随着电磁线圈 （10) 通过的电流 强度的大小成正比； 刹车脚踏杆 11的摆动力与悬浮活塞 6于活塞缸 5受 到的浮力成正比， 以达到利用控制器 4控制电磁线圈 10的电流， 达到自 动控制刹车脚踏 2刹车的目的。  The automatic brake device for an automobile according to claim 1, characterized in that: the buoyancy of the suspension piston (6) in the piston cylinder (5) is proportional to the magnitude of the current passing through the electromagnetic coil (10) The swinging force of the brake pedal 11 is proportional to the buoyancy of the suspension piston 6 in the piston cylinder 5, so as to achieve the purpose of controlling the current of the electromagnetic coil 10 by the controller 4, and achieving the purpose of automatically controlling the brake pedal 2 brake.
6.根据权利要求 1 所述的汽车自动刹车装置， 其特征在于： 所述的 活塞杆 （7) 设有轮轴 （19)， 驱动轮 （8) 与轮轴 （19) 动配合连接； 驱 动轮 （8) 与脚踏杆 （11) 接触， 驱动轮 （8) 位于脚踏杆 （11) 的下方。  The automatic brake device for an automobile according to claim 1, wherein: the piston rod (7) is provided with an axle (19), and the driving wheel (8) is mechanically coupled with the axle (19); 8) In contact with the foot lever (11), the drive wheel (8) is located below the foot lever (11).
7.根据权利要求 1 所述的汽车自动刹车装置， 其特征在于： 所述的 活塞缸 （5) 位于铰链 （13) 左边， 活塞杆 （7) 的中心线与铰链 （13) 的 轴线垂直， 驱动轮 （8) 的轴线与活塞杆 （7) 的中心线垂直。  The automatic brake device for an automobile according to claim 1, wherein: the piston cylinder (5) is located on the left side of the hinge (13), and the center line of the piston rod (7) is perpendicular to the axis of the hinge (13). The axis of the drive wheel (8) is perpendicular to the centerline of the piston rod (7).
8.根据权利要求 1 所述的汽车自动刹车装置， 其特征在于： 所述的 汽车自动刹车装置的刹车过程是： 活塞杆 （7) 上升， 驱动轮 （8) 与脚踏 杆 （11) 转动接触， 脚踏杆 （11) 按顺时针方向转动， 脚踏杆 （11) 驱动 刹车泵 (20) 刹车。  The automatic brake device for an automobile according to claim 1, wherein: the braking process of the automatic brake device of the automobile is: the piston rod (7) rises, the driving wheel (8) and the foot lever (11) rotate. In contact, the foot lever (11) rotates clockwise, and the foot lever (11) drives the brake pump (20) to brake.
9.根据权利要求 1 所述的汽车自动刹车装置， 其特征在于： 所述的 汽车自动刹车装置的工作原理是： 当汽车雷达（3)的前超声波传感器（17) 或者后超声波传感器 （18) 检测到有障碍物时， 前超声波传感器 （17) 或 者后超声波传感器 （18) 将信号传输给主机 （16)， 主机 （16) 将信号传 输给控制器 （4)， 控制器 （4) 控制电磁线圈 （10) 通电， 电磁线圈 （10) 产生磁场将活塞缸 （5) 的磁流体 （9) 磁化， 使磁流体 （9) 的比重不断 增加， 悬浮活塞（6)受到磁流体（9)的浮力不断增加， 利用悬浮活塞（6) 的浮力通过活塞杆 （7) 以及驱动轮 （8) 自动驱动脚踏杆 （11) 按刹车方 向摆动， 利用脚踏杆 （11) 驱动刹车泵 （5) 刹车， 防止驾驶员心慌脚乱， 脚没踩刹车板 （12)， 减少交通事故的发生。  9. The automatic brake device for an automobile according to claim 1, wherein: the working principle of the automatic brake device of the automobile is: a front ultrasonic sensor (17) or a rear ultrasonic sensor (18) of the automobile radar (3) When an obstacle is detected, the front ultrasonic sensor (17) or the rear ultrasonic sensor (18) transmits a signal to the host (16), the host (16) transmits the signal to the controller (4), and the controller (4) controls the electromagnetic The coil (10) is energized, and the electromagnetic coil (10) generates a magnetic field to magnetize the magnetic fluid (9) of the piston cylinder (5), so that the specific gravity of the magnetic fluid (9) is continuously increased, and the suspension piston (6) is subjected to the magnetic fluid (9). The buoyancy is increasing, using the buoyancy of the suspension piston (6) to automatically drive the foot lever (11) through the piston rod (7) and the drive wheel (8) to swing in the direction of the brake, and use the foot lever (11) to drive the brake pump (5) Brake, to prevent the driver from panicking, the foot does not step on the brakes (12), reducing traffic accidents.
PCT/CN2013/084781 2012-10-31 2013-09-30 Automotive automatic brake apparatus WO2014067380A1 (en)

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