WO2006122452A1 - A tire blowout safety device for a vehicle - Google Patents

A tire blowout safety device for a vehicle Download PDF

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Publication number
WO2006122452A1
WO2006122452A1 PCT/CN2005/000751 CN2005000751W WO2006122452A1 WO 2006122452 A1 WO2006122452 A1 WO 2006122452A1 CN 2005000751 W CN2005000751 W CN 2005000751W WO 2006122452 A1 WO2006122452 A1 WO 2006122452A1
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WO
WIPO (PCT)
Prior art keywords
braking
puncture
signal
safety device
control device
Prior art date
Application number
PCT/CN2005/000751
Other languages
French (fr)
Chinese (zh)
Inventor
Zhenzhong Guo
Changkun Chen
Original Assignee
Zhenzhong Guo
Changkun Chen
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 Zhenzhong Guo, Changkun Chen filed Critical Zhenzhong Guo
Publication of WO2006122452A1 publication Critical patent/WO2006122452A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • 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
    • B62D1/16—Steering columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
    • B62D6/04—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to forces disturbing the intended course of the vehicle, e.g. forces acting transversely to the direction of vehicle travel

Definitions

  • the present invention generally relates to an automobile safety device, and more particularly to a safety device for preventing vehicle side deflection after a tire puncture.
  • BACKGROUND OF THE INVENTION With the construction of highways, the speed of running cars, and the cars running on expressways, the main cause of traffic accidents is the sudden explosion of tires during high-speed operation of automobiles, and the resulting traffic accidents account for major traffic accidents. The vast majority of highway traffic accidents cause heavy losses to people and property. According to some data, 70% of the traffic accidents caused by tires on Chinese highways are caused by punctures. In the United States, the proportion is as high as 80%. In a sense, the puncture has become the "number one killer" on the highway today.
  • the so-called puncture usually means that the tire loses most of the air in a short time (less than 0.1 second). As a result, the car is tilted, and the steering wheel is suddenly pulled by a great force to the side of the puncture. With a slight negligence, the steering wheel is not controlled, and the car will turn 360 degrees backwards. At this time, if the brakes are pressed due to tension, the consequences are even more unimaginable. Because the tires are exhausted, the combination with the steel ring becomes very loose, and the part of the tire that touches the road surface will be deformed and detached from the steel ring. In addition, when the brake is applied, the wheel on the side of the puncture has a large resistance and the speed is reduced to alkyne.
  • an object of the present invention is to provide a car puncture safety device for preventing safety problems caused by car side deflection after a car puncture
  • the car puncture safety device of the present invention includes a puncture detecting device for picking up a tire explosion signal; a control device for controlling according to an output signal of the puncture detecting device; and a braking device for preventing deflection of the vehicle direction; wherein the signal output end and the control of the puncture detecting device The signal input of the device is connected, and the output of the control device is connected to the signal input of the brake device.
  • FIG. 1 is a schematic block diagram showing the principle of a car puncture safety device of the present invention.
  • FIG. 2 is a schematic structural view of a control device in the automobile tire safety device of the present invention shown in FIG. 1.
  • FIG. 3 is a schematic structural view of a braking portion of the automobile tire safety device of the present invention shown in FIG. 1.
  • Fig. 4 is a view showing the structure of another embodiment of the braking portion of the automobile tire safety device of the present invention shown in Fig. 1.
  • the automobile tire puncture safety device comprises a puncture detecting device 1 for picking up a tire explosion signal; and a control device for controlling according to an output signal of the puncture detecting device. 2; and a brake device 3 for preventing deflection of the steering wheel of the vehicle; wherein the signal output end of the puncture detecting device is connected to the signal input end of the control device, and the control portion of the control device is connected to the brake device.
  • the above-mentioned puncture detecting device includes a puncture-sensitive portion 1 1 and a wireless transmitting portion 12, wherein a signal output end of the puncture-sensitive portion 11 is connected to a signal input end of the wireless transmitting portion 12; the above-mentioned puncture-sensitive portion 11 can be It is known to be any sensor sensitive to puncture, such as pressure switch, sound sensitive switch or a combination thereof.
  • the pressure switch can be used to detect the pressure drop of the tire on the wheel when the puncture occurs.
  • the sound sensitive switch can be used to detect the car explosion.
  • the wireless transmitting portion 12 may be any wireless transmitting module, such as various FM transmitting modules, super regenerative transmitting modules, RF transmitting modules, etc.; only need to install the puncture sensitive portion to the hub when using Between the inner tube (pressure switch) or near the tire (sound sensitive switch), when the car is in a puncture, the puncture sensitive part outputs the detected puncture signal to the wireless transmitting part, which is transmitted by wireless Part of the puncture signal is output.
  • the above-described control device 2 includes a wireless receiving device 21 for use with the wireless transmitting portion of the flat tire detecting device, a timing device 22 for determining the time when the automobile steering wheel is braked, and an output control device 23, wherein the wireless receiving device 21 The signal output is coupled to the first signal input of the output control unit 23.
  • the wireless receiving device receives the puncture signal
  • the brake signal is sent through the output control device, and at the same time, the timing device is started. After the set time is reached, the timing device sends a brake release signal, the set time. Can be set to 3-5 seconds as needed.
  • the above-described vehicle direction braking device 3 includes a power output portion 31 that generates a braking force based on a signal output from the control portion, and a braking portion 32 that brakes the steering shaft of the vehicle with a braking force generated by the power output portion.
  • the power output portion 31 can be in various ways, such as electromagnetic braking for converting electric power in a car into power output, or pneumatically using a gas storage tank in a vehicle (such as a drum brake of a rear wheel of a car) or in a car. Hydraulic brakes for hydraulic systems (eg disc brakes on the front wheels of cars).
  • the above-mentioned brake portion 32 can also be in various forms, such as a disc (disc) brake (such as a disc brake of a car) as shown in FIG. 5, or Brake disc shape (such as the bicycle's brake) as shown in Figure 4.
  • Figures 3 and 4 show two brake devices using electromagnetic braking.
  • the power output portion is an electromagnet;
  • the braking portion includes a limiting portion 321 fixed to the steering wheel steering shaft 4, which may be a gear (as shown in FIG. 3), a brake disc (as shown in FIG.
  • the limiting portion 321 is rotatable with the steering wheel steering shaft 4; a braking portion 322 is disposed on a portion of the vehicle body or the steering column (not shown) outside the limiting portion 321 corresponding to the limiting portion 321
  • a housing 323 is fixed to the vehicle body or the steering column (not shown) for dustproofing and ease of installation, and the above-described limiting portion and braking portion are placed in the housing 323.
  • the brake portion 322 is a lever provided with a brake tooth at one end in FIG. 3, and the other end of the lever is connected to a power output portion (electromagnet) through a 'brake line; the brake portion 322 is at In Fig.
  • a brake is held, and the movable end of the brake is connected to the power output portion (electromagnet) through a brake wire.
  • the control device 2 outputs a brake signal, the electromagnet pulls in, pulls the brake wire, and drives the braking portion 322 to cause the braking portion 322 to generate a braking action on the limiting portion 321, thereby locking Dead steering shaft 4, so that the car remains in the original direction within a few seconds after the puncture; after the set time is reached, the control device sends a brake release signal, the electromagnet is released, the brake is restored, and the steering wheel is turned The right to operate is given to the driver.
  • FIG. 5 shows the brake device using the hydraulic brake method.
  • the limiting portion 321 is a metal disk fixedly mounted on the steering shaft 4 and rotates with the steering shaft;
  • the braking portion 322 mounted on the vehicle body or on the steering column is a clamp-type hydraulic piston brake, and the brake caliper is mounted across On the metal plate, the friction plates are respectively mounted on both sides of the metal disk.
  • the power output portion 31 is a solenoid valve, and the original hydraulic brake system in the automobile is controlled by a solenoid valve to control the metal disk.
  • the control device 2 When a puncture occurs, the control device 2 outputs a brake signal, and the solenoid valve acts to cause the brake fluid to pass from the brake pump through the oil inlet to the two communicating hydraulic chambers in the caliper body, so that the brake portion 322 is The brake pad is pressed against the metal disk fixedly coupled to the steering shaft 4, thereby locking the steering shaft 4.
  • the device In order to prevent the occurrence of a puncture during a turning of a car, the device generates an action, causing an accident in the car.
  • a phase detecting device is provided on the steering shaft. Thus, after turning to a certain angle, the device is not caused to operate.
  • the above phase detecting means can be in various forms.
  • a projection is provided on the steering shaft above the above-mentioned limiting portion, and a stroke switch is provided on the housing with respect to other phases of the projection on the steering shaft.
  • the protrusion on the steering shaft can be activated to activate the travel switch, so that the control device or the brake device does not operate after the puncture occurs, so as to prevent accidents.
  • the above-described embodiments may be various.
  • the above-described brake device and phase detecting device can also be disposed in a steering transmission mechanism of an automobile.
  • an audible and visual alarm device 5 may be further included; the control device 2 further includes a second signal output terminal; the second signal output terminal of the control device 2 and the sound signaling device 5 The signal is connected to the terminal.

Abstract

A tire blowout safety device for a vehicle includes a tire blowout detecting means collecting a signal about the tire blowout, a control means for controlling other devices according to the signal from the detecting means, and a braking means to prevent the vehicle from deflecting. The control means is provided with an input terminal connected to a signal output terminal of the detecting means, and an output terminal connected to a signal input terminal of the braking means. After applying above safety device to a vehicle, when the tire blowout occurred, the control means control the braking means to lock a steering shaft for a period of time according to the signal from the detecting means. Therefore it can avoid an unwanted consequence due to misoperating or ungripping the steering wheel in time.

Description

汽车爆胎安全装置 技术领域 本发明涉及一种汽车安全装置， 特别涉及一种在汽车爆胎后的防止汽车侧偏 的安全装置。 背景技术 随着高速公路的修建， 汽车运行速度的提高， 高速公路上运行的汽车， 发 生交通事故的主要因素是汽车高速运行中轮胎突爆， 由此而导致的车毁人亡重 大交通事故占高速公路交通事故的绝大部分， 造成人身、 财产的重大损失。 据 有数据显示， 在中国高速公路上发生的由轮胎产生的交通事故中， 有 70%是由 于爆胎引起的。 而在美国这一比例更高达 80%.从某种意义上来说， 爆胎己经成 为当今高速公路上的 "头号杀手" 。 所谓爆胎通常是指轮胎在很短时间（少于 0. 1秒）内失去大部分空气。 从而 使汽车发生倾斜， 而且方向盘也会突然被一股极大的力量拉向爆胎的那一边， 稍有疏忽， 没有控制住方向盘， 汽车会向后转 360度而肇祸。 而此时若由于紧张而踩下刹车， 后果更加不堪设想。 因为轮胎泄完气后， 与钢圈的结合变得很松， 轮胎接触路面的部分会变形而与钢圈脱离， 加上踩刹 车， 爆胎的那一边车轮因阻力大， 速度降得炔， 容易刹住， 造成钢圈与轮胎的 彻底脱离。 而另一车轮相应不易刹住， 可能要继续前进， 这就像奔跑的人突然 被迫跪下一只脚， 致使汽车发生翻滚。 发明内容 为克服上述缺陷， 本发明的目的在于提供一种在防止汽车爆胎后汽车侧偏 而带来的安全问题的汽车爆胎安全装置 为达到上述目的， 本发明汽车爆胎安全装置， 包括用以检拾轮胎爆炸信号的 爆胎检测装置； 用以根据爆胎检测装置的输出信号进行控制的控制装置； 以及用 以防止汽车方向偏转的制动装置；其中爆胎检测装置的信号输出端与控制装置的 信号输入端相连， 所述控制装置的输出端与制动装置的信号输入端相连。 采用上述结构后， 当汽车爆胎检测装置检测出汽车爆胎后， 即将爆胎信息 传送给控制装置， 通过控制装置控制制动部分， 使汽车的转向轴在爆胎后的一 段时间内锁死， 从而防止由于误操作或不能及时把握方向盘而产生的后果。 附图说明 图 1为本发明汽车爆胎安全装置的原理方框示意图。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention generally relates to an automobile safety device, and more particularly to a safety device for preventing vehicle side deflection after a tire puncture. BACKGROUND OF THE INVENTION With the construction of highways, the speed of running cars, and the cars running on expressways, the main cause of traffic accidents is the sudden explosion of tires during high-speed operation of automobiles, and the resulting traffic accidents account for major traffic accidents. The vast majority of highway traffic accidents cause heavy losses to people and property. According to some data, 70% of the traffic accidents caused by tires on Chinese highways are caused by punctures. In the United States, the proportion is as high as 80%. In a sense, the puncture has become the "number one killer" on the highway today. The so-called puncture usually means that the tire loses most of the air in a short time (less than 0.1 second). As a result, the car is tilted, and the steering wheel is suddenly pulled by a great force to the side of the puncture. With a slight negligence, the steering wheel is not controlled, and the car will turn 360 degrees backwards. At this time, if the brakes are pressed due to tension, the consequences are even more unimaginable. Because the tires are exhausted, the combination with the steel ring becomes very loose, and the part of the tire that touches the road surface will be deformed and detached from the steel ring. In addition, when the brake is applied, the wheel on the side of the puncture has a large resistance and the speed is reduced to alkyne. It is easy to brake, causing the steel ring to completely separate from the tire. The other wheel is not easy to stop, and may have to move on. It is like a running man suddenly forced to kneel down, causing the car to roll. Summary of the invention In order to overcome the above drawbacks, an object of the present invention is to provide a car puncture safety device for preventing safety problems caused by car side deflection after a car puncture, in order to achieve the above object, the car puncture safety device of the present invention includes a puncture detecting device for picking up a tire explosion signal; a control device for controlling according to an output signal of the puncture detecting device; and a braking device for preventing deflection of the vehicle direction; wherein the signal output end and the control of the puncture detecting device The signal input of the device is connected, and the output of the control device is connected to the signal input of the brake device. After adopting the above structure, when the automobile puncture detecting device detects the tire puncture, the puncture information is transmitted to the control device, and the braking portion is controlled by the control device, so that the steering shaft of the car is locked for a period of time after the puncture , thereby preventing the consequences due to misoperation or the inability to grasp the steering wheel in time. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic block diagram showing the principle of a car puncture safety device of the present invention.
图 2为图 1所示本发明汽车爆胎安全装置中控制装置的结构简图。  2 is a schematic structural view of a control device in the automobile tire safety device of the present invention shown in FIG. 1.
图 3为图 1所示本发明汽车爆胎安全装置中制动部分的结构示意图。  3 is a schematic structural view of a braking portion of the automobile tire safety device of the present invention shown in FIG. 1.
图 4为图 1所示本发明汽车爆胎安全装置中制动部分另一实施方式的结构 示意图。  Fig. 4 is a view showing the structure of another embodiment of the braking portion of the automobile tire safety device of the present invention shown in Fig. 1.
图 5为图 1所示本发明汽车爆胎安全装置中制动部分再一实施方式的结构 示意图。 具体实施方式 下面结合附图和具体实施方式对本发明作进一步的说明。 如图 1至图 4所示， 本发明汽车爆胎安全装置， 包括用以检拾轮胎爆炸信 号的爆胎检测装置 1 ; 用以根据爆胎检测装置的输出信号进行控制的控制装置 2 ; 以及用以防止汽车方向盘偏转的制动装置 3 ; 其中爆胎检测装置的信号输出 端与控制装置的信号输入端相连， 所述控制装置的控制部分与制动装置相连。 上述的爆胎检测装置包括爆胎敏感部分 1 1 和无线发射部分 12， 其中爆胎 敏感部分 1 1的信号输出端与无线发射部分 12的信号输入端相连； 上述的爆胎 敏感部分 1 1可以是己知的任意对爆胎敏感的传感器， 如压力开关、 声敏开关或 其组合等， 压力开关可以用来检测爆胎发生瞬间轮胎对轮毂的压力减少， 声敏 开关可以用来检测汽车爆胎时发出的声响；上述的无线发射部分 12可以为任意 的无线发射模块， 如各种调频发射模块、 超再生发射模块、 射频发射模块等； 使用时只需将爆胎敏感部分安装至轮毂与内胎之间 （压力开关） 或近轮胎的 置 （声敏开关）， 这样， 当行驶的汽车发生爆胎时， 爆胎敏感部分将检拾到的爆 胎信号输出至无线发射部分， 由无线发射部分将爆胎信号输出。 上述的控制装置 2包括与爆胎检测装置中无线发射部分配套使用的无线接 收装置 21， 用以确定汽车方向盘被制动的时间的定时装置 22， 以及输出控制装 置 23， 其中无线接收装置 21的信号输出端与输出控制装置 23第一信号输入端 相连。 使用时， 当无线接收装置接收到爆胎信号时， 即通过输出控制装置发出 制动信号， 同时， 定时装置起动， 在达到设定时间后， 由定时装置发出解除制 动信号， 设定的时间可根据需要设置为 3-5秒。 上述的汽车方向制动装置 3 包括一个根据控制部分输出的信号而产生制动 力的动力输出部分 31和一个利用动力输出部分产生的制动力对汽车转向轴进行 制动的制动部分 32。 其中动力输出部分 31可以为多种方式如将汽车中的电转换 为动力输出的电磁制动， 也可利用汽车中储气罐为动力的气动（如汽车后轮的鼓 刹） 或汽车中的液压系统的液压制动 （如汽车前轮的碟刹）。 上述的制动部分 32 也可以为多种形式， 如碟片 （盘） 式制动 （如汽车的碟刹） 如图 5所示， 或者是 制动盘状 （如自行车的抱闸） 如图 4所示等等。 图 3和图 4为两种采用电磁制动方式的制动装置。 其动力输出部分为一个 电磁铁； 制动部分包括一个固定在方向盘转向轴 4上的限位部 321， 可以是齿 轮（如图 3 )、 制动盘 （如图 4 )等， 该限位部 321可以随方向盘转向轴 4转动； 在所述的限位部 321外的车体或转向管柱 （图中未示出） 上与限位部 321相对 应的部分设置有一个制动部 322，为了防尘和便于安装可在车体或转向管柱（图 中未示出） 上固定有一个壳体 323， 将上述的限位部和制动部置于壳体 323内。' 所述的制动部 322在图 3中为一个一端设置制动齿的杠杆， 杠杆的另一端通过' 制动闸线与动力输出部分 （电磁铁） 相连； 所述的制动部 322在图 4中为一个 抱闸， 抱闸的活动端通过制动闸线与动力输出部分 （电磁铁） 相连。 这样， 当 发生爆胎后， 控制装置 2输出制动信号， 电磁铁吸合， 拉动制动闸线， 带动制 动部 322， 使制动部 322对限位部 321产生制动动作， 从而锁死转向轴 4， 使汽 车在爆胎后的几秒种内仍保持原有方向； 在达到设定时间后， 控制装置发出解 除制动信号， 则电磁铁释放， 制动部还原， 从而将方向盘的操作权交给司机。 当然， 为了使司机在对爆胎情况反应过来后， 及时的获得方向盘的操作权， 还 可在动力输出部分 （电磁铁） 上设置一个手动解除开关。 图 5为采用液压制动方式的制动装置。 其中限位部 321为金属盘， 固定安 装在转向轴 4上， 随转向轴转动； 安装在车体上或转向管柱上的制动部 322为 钳形液压活塞制动器， 制动钳跨装在金属盘上， 摩擦片分别装在金属盘的两侧。 其动力输出部分 31为电磁阀，利用电磁阀控制汽车中原有的液压制动系统来对 金属盘片进行控制。 '当发生爆胎后， 控制装置 2输出制动信号， 电磁阀动作， 使制动油液由制动泵经进油口进入钳体中两个相通的液压腔中， 使制动部 322 中制动块压向与转向轴 4固定连接的金属盘， 从而锁死转向轴 4。 为了防止汽车转弯过程中发生爆胎时， 本装置产生动作， 而致使汽车产生 意外事故， 作为本发明的进一步的改进， 在所述的转向轴上设有相位检测装置。 这样， 转至一定角度后， 则使本装置不产生动作。 上述的相位检测装置可以为 各种形式。 如在上述限位部上方的转向轴上设置一个凸起， 而在壳体上相对于 转向轴上凸起的其它相位上设置一个行程开关。 这样， 当汽车在转弯过程中可 则会使转向轴上的凸起触动行程开关， 从而使使控制装置或制动装置在发生爆 胎后不动作， 以防止了生意外。 当然， 作为本发明的变形， 上述的实施方式可以是多种多样的。 例如， 上 述的制动装置及相位检测装置还可以设置在汽车的转向传动机构中。 作为本发明更进一步的改进， 还可以包括一个声光报警装置 5 ; 所述控制 装置 2还包括一个第二信号输出端； 所述控制装置 2的第二信号输出端与声^ 报警装置 5的信号转入端相连。 这样， 当发生爆胎后， 不仅能对转向轴进行制 动， 还可以发出声光报警， 以引起司机的注意。 Fig. 5 is a structural schematic view showing still another embodiment of the braking portion of the automobile tire safety device of the present invention shown in Fig. 1. DETAILED DESCRIPTION OF THE INVENTION The present invention will be further described below in conjunction with the drawings and specific embodiments. As shown in FIG. 1 to FIG. 4, the automobile tire puncture safety device comprises a puncture detecting device 1 for picking up a tire explosion signal; and a control device for controlling according to an output signal of the puncture detecting device. 2; and a brake device 3 for preventing deflection of the steering wheel of the vehicle; wherein the signal output end of the puncture detecting device is connected to the signal input end of the control device, and the control portion of the control device is connected to the brake device. The above-mentioned puncture detecting device includes a puncture-sensitive portion 1 1 and a wireless transmitting portion 12, wherein a signal output end of the puncture-sensitive portion 11 is connected to a signal input end of the wireless transmitting portion 12; the above-mentioned puncture-sensitive portion 11 can be It is known to be any sensor sensitive to puncture, such as pressure switch, sound sensitive switch or a combination thereof. The pressure switch can be used to detect the pressure drop of the tire on the wheel when the puncture occurs. The sound sensitive switch can be used to detect the car explosion. The sound emitted by the tire; the wireless transmitting portion 12 may be any wireless transmitting module, such as various FM transmitting modules, super regenerative transmitting modules, RF transmitting modules, etc.; only need to install the puncture sensitive portion to the hub when using Between the inner tube (pressure switch) or near the tire (sound sensitive switch), when the car is in a puncture, the puncture sensitive part outputs the detected puncture signal to the wireless transmitting part, which is transmitted by wireless Part of the puncture signal is output. The above-described control device 2 includes a wireless receiving device 21 for use with the wireless transmitting portion of the flat tire detecting device, a timing device 22 for determining the time when the automobile steering wheel is braked, and an output control device 23, wherein the wireless receiving device 21 The signal output is coupled to the first signal input of the output control unit 23. In use, when the wireless receiving device receives the puncture signal, the brake signal is sent through the output control device, and at the same time, the timing device is started. After the set time is reached, the timing device sends a brake release signal, the set time. Can be set to 3-5 seconds as needed. The above-described vehicle direction braking device 3 includes a power output portion 31 that generates a braking force based on a signal output from the control portion, and a braking portion 32 that brakes the steering shaft of the vehicle with a braking force generated by the power output portion. The power output portion 31 can be in various ways, such as electromagnetic braking for converting electric power in a car into power output, or pneumatically using a gas storage tank in a vehicle (such as a drum brake of a rear wheel of a car) or in a car. Hydraulic brakes for hydraulic systems (eg disc brakes on the front wheels of cars). The above-mentioned brake portion 32 can also be in various forms, such as a disc (disc) brake (such as a disc brake of a car) as shown in FIG. 5, or Brake disc shape (such as the bicycle's brake) as shown in Figure 4. Figures 3 and 4 show two brake devices using electromagnetic braking. The power output portion is an electromagnet; the braking portion includes a limiting portion 321 fixed to the steering wheel steering shaft 4, which may be a gear (as shown in FIG. 3), a brake disc (as shown in FIG. 4), etc., the limiting portion 321 is rotatable with the steering wheel steering shaft 4; a braking portion 322 is disposed on a portion of the vehicle body or the steering column (not shown) outside the limiting portion 321 corresponding to the limiting portion 321 A housing 323 is fixed to the vehicle body or the steering column (not shown) for dustproofing and ease of installation, and the above-described limiting portion and braking portion are placed in the housing 323. The brake portion 322 is a lever provided with a brake tooth at one end in FIG. 3, and the other end of the lever is connected to a power output portion (electromagnet) through a 'brake line; the brake portion 322 is at In Fig. 4, a brake is held, and the movable end of the brake is connected to the power output portion (electromagnet) through a brake wire. Thus, when a puncture occurs, the control device 2 outputs a brake signal, the electromagnet pulls in, pulls the brake wire, and drives the braking portion 322 to cause the braking portion 322 to generate a braking action on the limiting portion 321, thereby locking Dead steering shaft 4, so that the car remains in the original direction within a few seconds after the puncture; after the set time is reached, the control device sends a brake release signal, the electromagnet is released, the brake is restored, and the steering wheel is turned The right to operate is given to the driver. Of course, in order to enable the driver to obtain the right to operate the steering wheel in time after reacting to the puncture condition, a manual release switch can be provided on the power output portion (electromagnet). Figure 5 shows the brake device using the hydraulic brake method. The limiting portion 321 is a metal disk fixedly mounted on the steering shaft 4 and rotates with the steering shaft; the braking portion 322 mounted on the vehicle body or on the steering column is a clamp-type hydraulic piston brake, and the brake caliper is mounted across On the metal plate, the friction plates are respectively mounted on both sides of the metal disk. The power output portion 31 is a solenoid valve, and the original hydraulic brake system in the automobile is controlled by a solenoid valve to control the metal disk. 'When a puncture occurs, the control device 2 outputs a brake signal, and the solenoid valve acts to cause the brake fluid to pass from the brake pump through the oil inlet to the two communicating hydraulic chambers in the caliper body, so that the brake portion 322 is The brake pad is pressed against the metal disk fixedly coupled to the steering shaft 4, thereby locking the steering shaft 4. In order to prevent the occurrence of a puncture during a turning of a car, the device generates an action, causing an accident in the car. As a further improvement of the present invention, a phase detecting device is provided on the steering shaft. Thus, after turning to a certain angle, the device is not caused to operate. The above phase detecting means can be in various forms. A projection is provided on the steering shaft above the above-mentioned limiting portion, and a stroke switch is provided on the housing with respect to other phases of the projection on the steering shaft. In this way, when the car is turning, the protrusion on the steering shaft can be activated to activate the travel switch, so that the control device or the brake device does not operate after the puncture occurs, so as to prevent accidents. Of course, as a variation of the present invention, the above-described embodiments may be various. For example, the above-described brake device and phase detecting device can also be disposed in a steering transmission mechanism of an automobile. As a further improvement of the present invention, an audible and visual alarm device 5 may be further included; the control device 2 further includes a second signal output terminal; the second signal output terminal of the control device 2 and the sound signaling device 5 The signal is connected to the terminal. In this way, when a puncture occurs, not only can the steering shaft be braked, but also an audible and visual alarm can be issued to draw the driver's attention.

Claims

权 利 要 求 书 Claim
1、 汽车爆胎安全装置， 其特征在于： 包括用以检拾轮胎爆炸信号的爆胎检 测装置； 用以根据爆胎检测装置的输出信号进行控制的控制装置； 以及用以防 止汽车方向偏转的制动装置； 其中爆胎检测装置的信号输出端与控制装置的信 号输入端相连， 所述控制装置的输出端与制动装置的信号输入端相连。 1. A car puncture safety device, comprising: a puncture detecting device for picking up a tire explosion signal; a control device for controlling according to an output signal of the puncture detecting device; and a device for preventing deflection of the vehicle direction The braking device; wherein the signal output end of the puncture detecting device is connected to the signal input end of the control device, and the output end of the control device is connected to the signal input end of the braking device.
2、 如权利要求 1所述的汽车爆胎安全装置， 其特征在于： 所述的爆胎检测 装置包括， 爆胎敏感部分和无线发射部分， 其中爆胎敏感部分的信号输出端与 无线发射部分的信号输入端相连。 2. The automobile puncture safety device according to claim 1, wherein: said puncture detecting device comprises: a puncture sensitive portion and a wireless transmitting portion, wherein the signal output end of the puncture sensitive portion and the wireless transmitting portion The signal inputs are connected.
3、 如权利要求 1所述的汽车爆胎安全装置， 其特征在于： 所述的控制部 包括与爆胎检测装置中无线发射部分配套使用的无线接收装置， 用以确定汽车 方向盘被制动的时间的定时装置， 以及输出控制装置， 其中无线接收装置的信 号输出端与输出控制装置的信号输入端相连。 3. The automobile tire safety device according to claim 1, wherein: said control portion includes a wireless receiving device for use with a wireless transmitting portion of the flat tire detecting device to determine that the steering wheel of the automobile is braked. A timing device for the time, and an output control device, wherein the signal output end of the wireless receiving device is coupled to the signal input terminal of the output control device.
4、 如权利要求 1所述的汽车爆胎安全装置， 其特征在于： 所述的防止汽车方 向偏转的制动装置包括一个根据控制部分输出的信号而产生制动力的动力输出部 分和一个利用动力输出部分产生的制动力对汽车转向轴进行制动的制动部分。 4. The automobile tire safety device according to claim 1, wherein: said braking device for preventing deflection of the vehicle direction comprises a power output portion for generating a braking force according to a signal output from the control portion and a power utilization portion. The braking portion of the output portion that brakes the steering shaft of the vehicle.
5、 如权利要求 4所述的汽车爆胎安全装置， 其特征在于： 所述的动力输出 部分为电磁制动、 气压制动或液压制动中的一种。 A car puncture safety device according to claim 4, wherein: said power output portion is one of electromagnetic braking, pneumatic braking or hydraulic braking.
6、 如权利要求 4所述的汽车爆胎安全装置， 其特征在于： 所述的制动部分 的包括一个固定在汽车转向轴上的限位部， 所述的限位部随转向轴转动； 和一 个与所述限位部相适配的制动部， 所述的制动部安装在车体上或转向柱管上， 其制动端与动力输出部分连接。 6. The automobile tire safety device according to claim 4, wherein: the braking portion includes a limiting portion fixed to the steering shaft of the automobile, and the limiting portion rotates with the steering shaft; And a braking portion adapted to the limiting portion, the braking portion is mounted on the vehicle body or on the steering column tube, and the braking end is connected to the power output portion.
7、 如权利要求 6所述的汽车爆胎安全装置， 其特征在于： 所述的限位部为 齿轮， 所述的制动部为一个一端设置制动齿的杠杆， 杠杆的另一端为制动端。 7. The automobile tire safety device according to claim 6, wherein: the limiting portion is a gear, and the braking portion is a lever provided with a braking tooth at one end, and the other end of the lever is made. Mobile.
8、 如权利要求 3所述的汽车爆胎安全装置， 其特征在于： 在所述的控制装 置中还包括方向盘相位检测装置， 所述的方向盘相位检测装置的信号输出端与 输出控制装置的信号输入端相连。 8. The automobile tire safety device according to claim 3, wherein: said control device further comprises steering wheel phase detecting means, said signal output end of said steering wheel phase detecting means and a signal outputted from said control means The inputs are connected.
9、 如权利要求 1所述的汽车爆胎安全装置， 其特征在于： 还包括一个声光 报警装置； 所述控制装置还包括一个第二信号输出端； 所述控制装置的第二信 号输出端与声光报警装置的信号输入端相连。 9. The automobile tire safety device according to claim 1, further comprising: an audible and visual alarm device; said control device further comprising a second signal output terminal; said second signal output terminal of said control device Connected to the signal input of the audible and visual alarm device.
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