CN110562320A - steering gear for stably controlling driving direction of automobile after tire burst - Google Patents
steering gear for stably controlling driving direction of automobile after tire burst Download PDFInfo
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- CN110562320A CN110562320A CN201911002924.4A CN201911002924A CN110562320A CN 110562320 A CN110562320 A CN 110562320A CN 201911002924 A CN201911002924 A CN 201911002924A CN 110562320 A CN110562320 A CN 110562320A
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000013016 damping Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/046—Controlling the motor
- B62D5/0463—Controlling the motor calculating assisting torque from the motor based on driver input
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/0475—Controlling other elements
- B62D5/0478—Clutches
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- 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
- B62D6/001—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits the torque NOT being among the input parameters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
- Power Steering Mechanism (AREA)
Abstract
本发明公开了一种用于汽车爆胎后行驶方向稳定控制的转向器，包括方向盘角度传感器，转向稳定控制装置，左胎压传感器和右胎压传感器，所述转向稳定控制装置包括电机、电机控制器、减速机，电磁离合器和减速输入控制杆，所述减速输入控制杆下端与汽车转向主杆齿轮连接，在汽车行驶过程中通过压力传感器实时监测胎压，爆胎瞬间读取车辆方向盘角度传感器数据后，转换成电机控制数据量，启动伺服电机和减速器，减速机提供大扭力阻尼与减速输入控制杆连接，提供反向扭矩，减速输入控制杆通过齿轮啮合对汽车转向主杆作用，稳定汽车转向主杆，保证驾驶员和乘客的安全，可广泛运用于各种车型。
The invention discloses a steering gear for stabilizing the driving direction of an automobile after a tire blowout, comprising a steering wheel angle sensor, a steering stability control device, a left tire pressure sensor and a right tire pressure sensor. The steering stability control device includes a motor and a motor. A controller, a reducer, an electromagnetic clutch and a deceleration input control rod, the lower end of the deceleration input control rod is connected with the gear of the main steering rod of the car, and the tire pressure is monitored in real time through the pressure sensor during the driving process of the car, and the steering wheel angle of the vehicle is read instantly when the tire blows. After the sensor data is converted into the amount of motor control data, the servo motor and the reducer are activated. The reducer provides large torque damping and is connected to the deceleration input control rod to provide reverse torque. The deceleration input control rod acts on the main steering rod of the car through gear meshing. It stabilizes the steering main lever of the car to ensure the safety of the driver and passengers, and can be widely used in various models.
Description
技术领域technical field
本发明涉及汽车领域，尤其涉及一种用于汽车爆胎后行驶方向稳定控制的转向器。The invention relates to the field of automobiles, in particular to a steering gear used for stable control of the running direction of the automobile after a tire blowout.
背景技术Background technique
目前汽车转向操控系统在针对爆胎行驶这一问题上不能完全解决，并没有真正的安全防护系统，在车辆行驶中出现爆胎后，需驾驶员保持冷静且手紧握着方向盘保持车辆当前行驶方向，缓慢制动最终将车辆停止。对驾驶员要求高，且方向盘受到爆胎后的经由转向系统带来的较大冲击力需驾驶员有足够的力度来控制方向盘，对驾驶员心理素质和身体力量要求较高，存在危险性。At present, the car steering control system cannot completely solve the problem of driving with a flat tire, and there is no real safety protection system. After a flat tire occurs during driving, the driver needs to remain calm and hold the steering wheel tightly to keep the vehicle currently driving. direction, slow braking will eventually bring the vehicle to a stop. The requirements for the driver are high, and the large impact force brought by the steering system after the steering wheel is subjected to a tire blowout requires the driver to have sufficient strength to control the steering wheel, which requires high psychological quality and physical strength of the driver, and is dangerous.
针对这一问题，本发明设计了一种用于汽车爆胎后行驶方向稳定控制的转向器，在传统齿轮齿条转向器的基础上，新增一个齿轮输入轴，由一个大扭力带电磁离合器电机减速机连接控制，在车辆未出现爆胎正常行驶时，电磁离合器减速电机终断与齿轮齿条转向器输入轴齿轮的动力连接；当出现爆胎时，胎压传感器检测胎压瞬时大幅变化，胎压传感器与车身控制器无线通信，车身控制器捕捉到车辆爆胎信息后经过高速CAN网将爆胎信息转发给电磁离合器减速电机控制器，电磁离合器减速电机控制器控制电磁离合器吸合，将减速机的大扭力阻尼与齿轮齿条转向器输入轴齿轮连接，转向器齿轮输入轴电机由驾驶员方向盘转角传感器的角度为输入依据，保持驾驶员方向盘在爆胎前和爆胎瞬间本来的转向角状态，将爆胎后外界对驾驶员方向盘的冲击受力影响阻隔，保证在爆时整个转向系统的有效控制仍在驾驶员手中，配合制动ESC车身稳定系统将车辆安全停止。Aiming at this problem, the present invention designs a steering gear for stable control of the driving direction of an automobile after a tire blowout. On the basis of the traditional rack and pinion steering gear, a new gear input shaft is added, and a large torque belt electromagnetic clutch is added. The motor reducer is connected and controlled. When the vehicle is running normally without a tire blowout, the electromagnetic clutch reducer motor terminates the power connection with the input shaft gear of the rack and pinion steering gear; when a tire blowout occurs, the tire pressure sensor detects a large instantaneous change in tire pressure. , The tire pressure sensor communicates wirelessly with the body controller. After the body controller captures the vehicle tire burst information, it forwards the tire burst information to the electromagnetic clutch deceleration motor controller through the high-speed CAN network. The electromagnetic clutch deceleration motor controller controls the electromagnetic clutch to pull in. The large torque damping of the reducer is connected with the input shaft gear of the rack and pinion steering gear, and the steering gear input shaft motor is input based on the angle of the driver's steering wheel angle sensor, so as to keep the driver's steering wheel in the original position before the tire blowout and at the moment of the tire blowout. Steering angle status, to block the impact of the outside world on the driver's steering wheel after the tire burst, to ensure that the effective control of the entire steering system is still in the driver's hands when the tire bursts, and the vehicle is safely stopped with the brake ESC body stabilization system.
车身控制器（英语：body control module，简称BCM），又称为车身电脑（bodycomputer），在汽车工程中是指用于控制车身电器系统的电子控制单元（ECU），是汽车的重要组成部分之一，它具备的功能如下：1)接收传感器或其他装置输入的信息，将输入的信息转变为微处理器所能接收的信号；2)存储、计算、分析处理信息，分析输出值所用的程序，存储该车型的特点参数、运算中的数据(随存随取)、存储故障信息；3)运算分析。根据信息参数求出执行命令数据，将输入的信息与标准值对比，查处故障；4)输出执行命令。将弱信号转变为执行命令，输出故障信息，自我修正。Body controller (English: body control module, referred to as BCM), also known as body computer (bodycomputer), in automotive engineering refers to the electronic control unit (ECU) used to control the body electrical system, is one of the important components of the car. First, it has the following functions: 1) Receive information input from sensors or other devices, and convert the input information into signals that the microprocessor can receive; 2) Store, calculate, analyze and process information, and analyze the program used for output values , store the characteristic parameters of the model, the data in the operation (any storage and retrieval), and store the fault information; 3) Operation analysis. According to the information parameters, the execution command data is obtained, the input information is compared with the standard value, and the fault is investigated and dealt with; 4) The execution command is output. Convert weak signals into execution commands, output fault information, and self-correct.
发明内容SUMMARY OF THE INVENTION
本发明的目的是为了解决现有技术中的不足之处，提供了一种有效保证在爆胎时整个转向系统的有效控制仍在驾驶员手中，不会受到爆胎后外界对驾驶员方向盘的冲击受力影响，使驾驶员能够稳定停车，保证驾驶安全稳定控制的转向器。The purpose of the present invention is to solve the deficiencies in the prior art, and provide a kind of effective guarantee that the effective control of the entire steering system is still in the driver's hands when the tire blows out, and will not be affected by the outside world on the driver's steering wheel after the tire blows out. The impact is affected by the force, so that the driver can stop stably and ensure the steering gear of safe and stable driving.
为了实现上述目的，本发明采用以下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种用于汽车爆胎后行驶方向稳定控制的转向器，包括汽车转向主杆，车身转向管柱输入轴，以及连接在汽车转向主杆两端的左转向横拉杆和右转向横拉杆，还包括方向盘角度传感器，转向稳定控制装置，左胎压传感器和右胎压传感器，所述转向稳定控制装置包括电机、电机控制器、减速机，电磁离合器和减速输入控制杆，所述减速机上部连接电机，所述减速机下部连接电磁离合器所述减速输入控制杆下端与汽车转向主杆齿轮连接，所述电机控制器、电磁离合器、左胎压传感器、右胎压传感器和方向盘角度传感器与车载控制器连接。首先胎压传感器将压力数据发送到车身控制器存储单元中，压力判断单元根据压力数据判断爆胎与否；判断爆胎后，车身控制器读取方向盘角度传感器实时数据，并将角度数据输入角度换算单元，同时根据车辆具体参数，换算成输入电压和输入功率，生成电机控制信息，由高速CAN网将电机控制信息传送到电机控制器；.电机控制器根据输入电压和输入功率，首先启动电磁离合器吸合，再启动电机和减速机，减速机提供大扭力阻尼与减速输入控制杆连接，提供反向扭矩，保持车身转向角度维持在爆胎瞬间状态。A steering gear used for the stability control of the driving direction of an automobile after a tire blowout comprises a main steering rod of the automobile, an input shaft of a steering column of a body, and a left steering tie rod and a right steering tie rod connected at both ends of the automobile steering main rod, and further comprising: Steering wheel angle sensor, steering stability control device, left tire pressure sensor and right tire pressure sensor, the steering stability control device includes a motor, a motor controller, a reducer, an electromagnetic clutch and a deceleration input control lever, the upper part of the reducer is connected to the motor The lower part of the reducer is connected to an electromagnetic clutch; the lower end of the deceleration input control rod is connected to the main steering gear of the vehicle; the motor controller, electromagnetic clutch, left tire pressure sensor, right tire pressure sensor and steering wheel angle sensor are connected to the vehicle controller. connect. First, the tire pressure sensor sends the pressure data to the storage unit of the body controller, and the pressure judgment unit judges whether the tire blows out or not according to the pressure data; after judging the tire blowout, the body controller reads the real-time data of the steering wheel angle sensor, and inputs the angle data into the angle The conversion unit converts the input voltage and input power according to the specific parameters of the vehicle at the same time, generates motor control information, and transmits the motor control information to the motor controller by the high-speed CAN network; The motor controller first starts the electromagnetic field according to the input voltage and input power. The clutch is pulled in, and the motor and reducer are restarted. The reducer provides large torque damping and is connected to the deceleration input control rod to provide reverse torque and maintain the steering angle of the body at the moment of the tire blowout.
作为优选，所述电机为伺服电机，所述电磁离合器包括电磁离合器主动盘、电磁离合器从动盘、电磁离合器从动盘转矩输出转盘，所述伺服电机主轴连接减速机输入端，所述减速机输出端连接电磁离合器主动盘。电磁离合器通电后，电磁离合器主动盘和电磁离合器从动盘吸附在一起，使减速电机的大扭力阻尼和减速输入控制杆连接，为减速输入控制杆提供反向扭矩，稳定汽车转向主杆，在为发生爆胎的情况下，电磁离合器主动盘和电磁离合器从动盘分离，减速输入控制杆和汽车转向主杆之间纯齿轮连接，对汽车正常行驶来说，增加的阻力很小。Preferably, the motor is a servo motor, the electromagnetic clutch includes an electromagnetic clutch driving disk, an electromagnetic clutch driven disk, and an electromagnetic clutch driven disk torque output turntable, the main shaft of the servo motor is connected to the input end of the reducer, and the reducer The output end of the machine is connected to the electromagnetic clutch drive plate. After the electromagnetic clutch is energized, the electromagnetic clutch driving plate and the electromagnetic clutch driven plate are adsorbed together, so that the large torque damping of the deceleration motor is connected with the deceleration input control rod, providing reverse torque for the deceleration input control rod, and stabilizing the steering main rod of the car. In the event of a tire blowout, the electromagnetic clutch driving disc and the electromagnetic clutch driven disc are separated, and the deceleration input control rod and the vehicle steering main rod are connected by pure gears, which increases the resistance to a small amount for the normal driving of the vehicle.
作为优选，所述电磁离合器和减速输入控制杆之间设有万象节输入花键轴和万象节。万象节输入花键轴和万向节沟通连接电磁离合器从动盘转矩输出转盘和减速输入控制杆，使两者轴线不在同一方向时，存在轴线夹角的情况下能实现联接的两轴连续回转，并可靠地传递转矩和运动。Preferably, a Vientiane joint input spline shaft and a Vientiane joint are arranged between the electromagnetic clutch and the deceleration input control rod. The input spline shaft of the universal joint communicates with the universal joint to connect the torque output turntable of the electromagnetic clutch driven plate and the deceleration input control rod, so that when the axes of the two are not in the same direction, the two axes of the connection can be continuously connected under the condition of the included angle between the axes. Swing, and reliably transmit torque and motion.
作为优选，所述减速输入控制杆下端设有下减速控制齿轮，所述汽车转向主杆上设有与减速控制齿轮相对应的齿条带。Preferably, the lower end of the deceleration input control rod is provided with a lower deceleration control gear, and the main steering rod of the automobile is provided with a rack belt corresponding to the deceleration control gear.
作为优选，所述减速控制齿轮和齿轮带连接处设有压紧机构，所述压紧机构上设有安装支架。Preferably, a pressing mechanism is provided at the connection between the deceleration control gear and the gear belt, and a mounting bracket is provided on the pressing mechanism.
作为优选，所述汽车转向主杆两端套设有防尘罩。Preferably, both ends of the steering main rod of the automobile are sleeved with dust covers.
本发明具备的有益技术效果是：在汽车行驶过程中通过压力传感器实时监测胎压，爆胎瞬间读取车辆方向盘角度传感器数据后，转换成电机控制数据量，启动伺服电机和减速器，减速机提供大扭力阻尼与减速输入控制杆连接，提供反向扭矩，减速输入控制杆通过齿轮啮合对汽车转向主杆作用，稳定汽车转向主杆，转向主杆与左转向横拉杆、右转向横拉杆保持爆胎前状态，避免汽车转向主杆在爆胎状态下，车身发生大幅度偏转，保持车身转向角度维持在爆胎瞬间状态。提高车辆在轮胎爆炸后整体稳定性，保证驾驶员和乘客的安全，可广泛运用于各种车型。The beneficial technical effects of the invention are: real-time monitoring of tire pressure through the pressure sensor during the driving process of the vehicle, after the tire burst instantaneously reads the data of the steering wheel angle sensor of the vehicle, converts it into the amount of motor control data, and starts the servo motor, the reducer, and the reducer. Provides large torque damping and is connected with the deceleration input control rod to provide reverse torque. The deceleration input control rod acts on the main steering rod of the car through gear meshing, and stabilizes the main steering rod of the car. The main steering rod is kept with the left steering tie rod and the right steering tie rod. In the state before the tire blowout, the main body of the vehicle is prevented from being deflected by a large amount when the main steering rod of the car is in the tire blowout state, and the steering angle of the vehicle body is maintained at the moment of the tire blowout. Improve the overall stability of the vehicle after the tire explodes, ensure the safety of the driver and passengers, and can be widely used in various models.
附图说明Description of drawings
图1是本发明的整体结构示意图；Fig. 1 is the overall structure schematic diagram of the present invention;
图2是本发明的转向稳定控制装置结构放大图；2 is an enlarged view of the structure of the steering stability control device of the present invention;
图3是本发明的车辆转向主杆部分结构示意图；Fig. 3 is the structural schematic diagram of the vehicle steering main rod part of the present invention;
图4是本发明的部分结构示意图；Fig. 4 is the partial structure schematic diagram of the present invention;
图5是本发明的原理示意图；Fig. 5 is the principle schematic diagram of the present invention;
图6是本发明的控制流程示意图；Fig. 6 is the control flow schematic diagram of the present invention;
图中：汽车转向主杆1、齿条带10、防尘罩11、车身转向管柱输入轴2、方向盘角度传感器20，转向稳定控制装置3，电机31、减速机32、电磁离合器33、电磁离合器主动盘330、电磁离合器从动盘331、电磁离合器从动盘转矩输出转盘332、减速输入控制杆34、减速控制齿轮341、万象节35、左转向横拉杆4和右转向横拉杆5、左胎压传感器61和右胎压传感器62、压紧机构7、安装支架8。In the figure: car steering main rod 1, rack belt 10, dust cover 11, body steering column input shaft 2, steering wheel angle sensor 20, steering stability control device 3, motor 31, reducer 32, electromagnetic clutch 33, electromagnetic Clutch driving disk 330, electromagnetic clutch driven disk 331, electromagnetic clutch driven disk torque output dial 332, deceleration input control lever 34, deceleration control gear 341, universal joint 35, left steering tie rod 4 and right steering tie rod 5, The left tire pressure sensor 61 and the right tire pressure sensor 62 , the pressing mechanism 7 , and the mounting bracket 8 .
具体实施方式Detailed ways
下面结合附图对本发明做进一步的描述，通过下面对实施例的描述，将更加有助于公众理解本发明，但不能也不应当将申请人所给出的具体的实施例视为对本发明技术方案的限制，任何对部件或技术特征的定义进行改变或对整体结构作形式的而非实质的变换都应视为本发明的技术方案所限定的保护范围。The present invention will be further described below in conjunction with the accompanying drawings. The following description of the embodiments will help the public to understand the present invention. However, the specific embodiments given by the applicant cannot and should not be regarded as a reference to the present invention. Restriction of the technical solution, any changes to the definition of components or technical features or formal but not substantial changes to the overall structure should be regarded as the protection scope limited by the technical solutions of the present invention.
一种用于汽车爆胎后行驶方向稳定控制的系统，如图1-6所示，所述车辆转向控制模块包括电机控制器310和转向稳定控制装置3，所述转向稳定控制装置包括减速输入控制杆34、电磁离合器33、减速机32和电机31，所述减速输入控制杆34和汽车转向主杆1齿轮连接。A system for stability control of the driving direction of a vehicle after a tire blowout, as shown in Figures 1-6, the vehicle steering control module includes a motor controller 310 and a steering stability control device 3, and the steering stability control device includes a deceleration input The control rod 34 , the electromagnetic clutch 33 , the reducer 32 and the motor 31 , the speed reduction input control rod 34 is geared to the main steering rod 1 of the automobile.
如图1所示，汽车转向主杆1和车身转向管柱输入轴2连接，汽车转向主杆两端分别连接左转向横拉杆4和右转向横拉杆5，还包括方向盘角度传感器20，转向稳定控制装置3。As shown in Fig. 1, the main steering rod 1 of the automobile is connected to the input shaft 2 of the steering column of the vehicle body, and the two ends of the main steering rod of the automobile are respectively connected to the left steering tie rod 4 and the right steering tie rod 5, and also includes a steering wheel angle sensor 20, which ensures stable steering. control device 3.
如图2所示，所述电机31为伺服电机，所述电磁离合器33包括电磁离合器主动盘330、电磁离合器从动盘331、电磁离合器从动盘转矩输出转盘332，所述伺服电机主轴连接减速机32输入端，所述减速机输出端连接电磁离合器主动盘，电磁离合器33和减速输入控制杆34之间设有万象节输入花键轴和万象节35。As shown in FIG. 2 , the motor 31 is a servo motor, and the electromagnetic clutch 33 includes an electromagnetic clutch driving disc 330 , an electromagnetic clutch driven disc 331 , and an electromagnetic clutch driven disc torque output turntable 332 . The main shaft of the servo motor is connected to The input end of the reducer 32 is connected to the electromagnetic clutch drive plate at the output end of the reducer, and the universal joint input spline shaft and the universal joint 35 are arranged between the electromagnetic clutch 33 and the deceleration input control rod 34 .
如图3所示，所述减速输入控制杆34下端设有下减速控制齿轮341，所述汽车转向主杆1上设有与减速控制齿轮相对应的齿条带10。As shown in FIG. 3 , the lower end of the deceleration input control rod 34 is provided with a lower deceleration control gear 341 , and the main steering rod 1 of the automobile is provided with a rack belt 10 corresponding to the deceleration control gear.
如图4所示，所述减速控制齿轮和齿轮带连接处设有压紧机构7，所述压紧机构上设有安装支架8，所述汽车转向主杆1两端套设有防尘罩11。As shown in FIG. 4 , a pressing mechanism 7 is provided at the connection between the deceleration control gear and the gear belt, a mounting bracket 8 is provided on the pressing mechanism, and dust covers are sleeved at both ends of the steering main rod 1 of the automobile. 11.
如图5所示，左胎压传感器61和右胎压传感器62，所述转向稳定控制装置包括电机31、减速机32，电磁离合器33和减速输入控制杆34，所述减速输入控制杆下端与汽车转向主杆1齿轮连接，所述电机、电磁离合器、左胎压传感器、右胎压传感器和方向盘角度传感器与车载控制器连接，As shown in FIG. 5, the left tire pressure sensor 61 and the right tire pressure sensor 62, the steering stability control device includes a motor 31, a reducer 32, an electromagnetic clutch 33 and a deceleration input control rod 34, the lower end of the deceleration input control rod and The main steering rod of the car is connected with a gear, and the motor, electromagnetic clutch, left tire pressure sensor, right tire pressure sensor and steering wheel angle sensor are connected with the vehicle controller,
如图5、图6所示，在正常行驶的过程中，左车胎突然发生爆炸，左胎压传感器31压力骤降，数据剧烈变化，压力数据发送到车身控制器存储单元时，压力判断单元根据压力数据判断爆胎事件，此时车身控制器立刻读取方向盘角度传感器实时数据，并将角度数据输入角度换算单元，同时根据车辆具体参数，换算成输入电压和输入功率，生成电机控制信息，由高速CAN网将电机控制信息传送到电机控制器；电机控制器根据输入电压和输入功率，启动电磁离合器吸合，启动电机和减速机，减速机提供大扭力阻尼与减速输入控制杆连接，提供反向扭矩，减速输入控制杆通过齿轮啮合对汽车转向主杆作用，稳定汽车转向主杆，转向主杆与左转向横拉杆、右转向横拉杆保持爆胎前状态，避免汽车转向主杆在爆胎状态下，车身发生大幅度偏转，保持车身转向角度维持在爆胎瞬间状态。As shown in Figures 5 and 6, during normal driving, the left tire suddenly exploded, the pressure of the left tire pressure sensor 31 dropped sharply, and the data changed drastically. When the pressure data was sent to the storage unit of the body controller, the pressure judgment unit would The pressure data judges the tire burst event. At this time, the body controller immediately reads the real-time data of the steering wheel angle sensor, and inputs the angle data into the angle conversion unit. At the same time, according to the specific parameters of the vehicle, it is converted into the input voltage and input power, and the motor control information is generated by The high-speed CAN network transmits the motor control information to the motor controller; the motor controller starts the electromagnetic clutch to pull in according to the input voltage and input power, and starts the motor and the reducer. The torque and deceleration input control rod acts on the main steering rod of the car through gear meshing, and stabilizes the main steering rod of the car. The main steering rod and the left steering tie rod and the right steering tie rod are kept in the state before the tire blowout, so as to avoid the car steering main rod in the tire blowout state. In this state, the body is deflected greatly, and the steering angle of the body is maintained at the moment of the tire blowout.
当然，本发明还可以有其他多种实施例，例如在某些外国的车型中，驾驶员位置在右侧的情况下，将本方法和装置中的转向稳定控制装置安装在汽车转向主杆上，在不背离本发明精神及其实质的情况下，熟悉本领域的技术人员可以根据本发明做出各种相应的改变和变形，但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。Of course, the present invention can also have other various embodiments. For example, in some foreign models, when the driver is on the right side, the steering stability control device in the method and device is installed on the main steering rod of the vehicle , without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding changes and deformations should belong to the appended rights of the present invention The scope of protection required.
Claims (6)
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Application publication date: 20191213 |