WO2003026939A1 - Dispositif antiderapage pour vehicule - Google Patents

Dispositif antiderapage pour vehicule Download PDF

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Publication number
WO2003026939A1
WO2003026939A1 PCT/CN2001/001588 CN0101588W WO03026939A1 WO 2003026939 A1 WO2003026939 A1 WO 2003026939A1 CN 0101588 W CN0101588 W CN 0101588W WO 03026939 A1 WO03026939 A1 WO 03026939A1
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WO
WIPO (PCT)
Prior art keywords
transistor
resistor
controller
electronic switch
base
Prior art date
Application number
PCT/CN2001/001588
Other languages
English (en)
Chinese (zh)
Inventor
Jianlin Zhu
Original Assignee
Jianlin Zhu
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 Jianlin Zhu filed Critical Jianlin Zhu
Publication of WO2003026939A1 publication Critical patent/WO2003026939A1/fr

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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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve

Definitions

  • the invention relates to a device for preventing a vehicle from sliding and overturning when turning. Background technique
  • the car If the car is turning too fast during a turn, it may cause the car to skid or overturn. Such accidents often occur during daily transportation, causing loss of life and property.
  • the braking system of the car itself is to brake the four wheels in both directions, which can not achieve the purpose of controlling sideslip and overturning.
  • preventing the sideslip and overturning of the turning elbow of the car is a major issue for the automotive industry at home and abroad.
  • the automatic anti-overturning device of a car is such as the device disclosed in patent number CN94224913. 5. Its controller is a pendulum and its sensitivity is not high. For different cars and different loads, it is not appropriate to adjust the appropriate sensitivity gear. Disclosure of invention
  • An object of the present invention is to provide an automatic anti-overturning device for an automobile, which can unidirectionally brake when the lateral force of the automobile turns over a given value, keeps the automobile balanced, and adjusts its sensitivity gear according to the condition of the automobile.
  • the automatic anti-overturning device for a car is composed of a controller and an actuator ⁇ .
  • the controller ⁇ becomes: the acceleration sensor circuit is connected to a central processing unit via a filter, and the output ends of the processor are respectively connected to the left electronic
  • the switch and the right electronic switch, the left and right electronic switches are respectively connected to the left and right actuators;
  • the output end of the processor is also connected to a digital display and a pre-alarm circuit, and the adjustment keys are connected to the processor; Powers various parts of the controller.
  • the above acceleration sensor circuit is composed of acceleration sensor U 2 and its peripheral components capacitors C 12 , C 13 , C 15 , and resistor R 4.
  • the output end of the acceleration sensor is connected to a 7 ⁇ shape composed of capacitors C 9 , C 7, and resistor R i.
  • a filter whose output is connected to a central processing unit 11 3 Inputs.
  • the above-mentioned central processing unit U 3 is a single-chip computer of model AP89C205, and its output terminals 8 pins and 9 pins are respectively connected to the left electronic switch and the right electronic switch, and its output terminals are 14, 15, 16, 17, 18, 19
  • the pin is connected to the digital display U 5 , and its output terminal 11 is connected to the pre-alarm circuit.
  • the adjustment keys and 1: 2 are connected to the computer's pins 6 and 7 respectively.
  • the above-mentioned left electronic switch and right electronic switch are symmetrical.
  • the left electronic switch is a resistor R 12 connected to the base of a transistor, and the collector of the transistor is connected to the base of a transistor Q 2 through a resistor R 3 .
  • a base electrode connected to the source of the transistor ⁇ , ⁇ is the transistor emitter is connected via a connector to the actuator left Ju;
  • unable electronic switch which is connected to the resistor R U base of the transistor, the collector of the transistor 14 via a resistor R connected to the transistor Q 7 base, the collector of the tube is connected to the base of the transistor, and the emitter of the transistor is connected to the right actuator via a connector.
  • the above-mentioned pre-alarm circuit is connected to the resistor R 13 by the output terminal 11 of the single-chip computer.
  • the resistor is connected to the base of the transistor, the collector of the transistor is connected to the buzzer SP1, and the emitter of the transistor is connected to the power source.
  • the power and control signals from the connector J 1 of the controller are connected via wires to the brake master cylinder and the two rear wheel cylinders installed in the braking system.
  • the left and right solenoid valves that control the fuel supply of the two rear wheels are connected to the plungers in the left and right cylinder barrels respectively.
  • One side of the two cylinder barrels has an oil inlet pipe for the brake master cylinder, and the lower end is the through valve.
  • the power and control signals from the connector J1 of the controller are connected via wires.
  • This device is installed between the brake master cylinder of the brake system and the two rear wheel cylinders.
  • the left and right three-way solenoid valves for the rear wheel supply air. These two solenoid valves are connected at one end to the air outlet pipe of the brake master cylinder and at the other end to the sub-pump respectively. The third ends are respectively connected to the air ducts led by the air storage ducts added by the device.
  • FIG. 1 is a block diagram of a controller of the present invention
  • 2 is a circuit schematic diagram of a controller of the present invention
  • FIG. 3 is a schematic view of a scuffing of an oil brake actuator according to the present invention.
  • FIG. 4 is a schematic diagram of the scuffing mechanism of the air brake of the present invention.
  • this figure is a block diagram of a controller of an automobile anti-overturn device according to the present invention, and an acceleration sensor circuit is connected to a central processing unit via a filter.
  • the output ends of the processor are respectively connected to the left electronic switch and the right electronic switch, and the left and right electronic switches are respectively connected to the left and right actuators; the output ends of the processor are also connected to a digital display and a pre-alarm circuit,
  • the adjustment button is connected to the above processor, and a regulated power supply supplies power to various parts of the controller.
  • the above acceleration sensor circuit is composed of an acceleration sensor U 2 and its peripheral component capacitors C 12 , C 13 , C 15 , and a resistor R 4.
  • the acceleration sensor is a microelectronic model KX 1 10-50 finished, the output of the acceleration sensor 8 feet to end by the capacitor C 9, shaped filter consisting of C 7 and a resistor, an output terminal connected to an input terminal of the filter 13, the central processor U3 foot; the acceleration sensor may measure the car The acceleration of the lateral motion of the vehicle is converted into the lateral force on the car by the processing of the central processing unit.
  • Said central processor 113 is a single-chip computer model AP89C205, its output pin 8 are connected to pin 9 and the left and right towards the electronic switches electronic switch. Its output terminal 14, 15, 16, 17, 18, 19 feet to digital display U 5, resistors R 7, R 16, R 18 , R 2. _ Digital display 23 as a peripheral circuit; an output end of the central processor 113 of the feet to the pre-alarm circuit 11, control buttons, K 2 connected to the central processor 6, 7 3 11 feet.
  • the above two keys can manually adjust the sensitivity of the controller.
  • the sensitivity of this controller is divided into 0-9 levels.
  • the single chip computer receives the input of the keys and ⁇ and controls the digital display to display the selected sensitivity level.
  • Crystal resonator ⁇ 1 ⁇ and button ⁇ 3 are peripheral circuits of a single-chip computer, where C 4 and C 5 form the main oscillator Circuit. Monolithic The computer provides a clock signal, and C 2 , R 5 , and ⁇ form the reset circuit of the single-chip computer. K 3 is the manual reset button.
  • the left and right electronic switches are symmetrical.
  • Ju left which becomes electronic switch connected to the resistor R i 2-pole transistor Q 3
  • the collector of the transistor Q 3 is connected via a resistor R 3 of the base of the transistor 2, a collector connected to the base of the transistor Q of the pole tube.
  • Emitter of the transistor is connected via the connector to the actuator Ju left; the group is unable electronic switch resistance R "linking the source of the transistor 06, the transistor collector plate 06 is connected to the base of the transistor Q 7 via resistor R 14, a transistor having a collector connected to the base electrode of the tube 08, the emitter electrode of the transistor Q 8 is connected to the right via the actuator connector Ju
  • the transistors Q 3 and Q 6 form a voltage converter, and the transistors ⁇ 3 ⁇ 4, ⁇ , and Q 7 and 0 8 form an electronic switch to promote the operation of the actuator.
  • the diode DD 2 protects the electronic switch, and the light-emitting diodes D 3 and D 4 instruct the left and right execution actions.
  • the output terminal 11 of the single-chip computer is connected to the resistor R 13 , which is connected to the base of the transistor Q 9 ; the collector of the transistor is connected to the buzzer SP1, and the emitter of the transistor is connected to the power source.
  • the regulated power supply is a three-terminal regulator U l with the model number 7805, and its 1 pin is connected to the power supply of the car. 3 feet output 5V voltage, 2 feet are grounded; its role is to convert the 12V or 24V battery voltage used by the car into the 5V DC regulated power source required by the controller.
  • the actuator ⁇ installed in the oil brake braking system can be seen in Figure 3, and the power and control signals from the connector J1 of the controller are connected to the brake master cylinder provided in the braking system via the wire (3) ( 2)
  • the lower end is the oil outlet pipe (8) of the sub-pump; when the controller sends out a control signal, the left or right solenoid valve ( 4 ) working plunger ( 5 ) moves downward to seal the oil inlet pipe (10), ( 8 ) Oil out (9), increase the oil pressure on one side of the pump and brake in one direction. After correcting the tilt, the control signal is interrupted and the plunger is returned. The oil is returned from the oil inlet pipe (10). (1) is the total Inlet pipe.
  • the actuator installed in the air brake brake system can be seen in Figure 4. The power and control signals from the connector J1 of the controller are connected to the brake master cylinder of this device plus the brake system through the wire (17).
  • the left and right three-way solenoid valves (I 4 ) that control the air supply to the two rear wheels between the two rear wheel sub-pumps (15).
  • One end of these two solenoid valves is connected to the air outlet pipe (I 6 ) of the brake master cylinder, the other end is connected to the sub-pump (15), and the third end is connected to the air from the air storage pipe (12) provided by the device. Tube (13).
  • the left or right solenoid valve (I 4 ) works, seals the air duct (16), and makes the air duct (13) communicate with the sub-pump.
  • One-way braking with air intake after the tilt is corrected, the control signal is interrupted, the solenoid valve is returned, and the sub-pump (is) returns to the wind through the air outlet pipe (I 6 ).
  • the acceleration sensor When the acceleration sensor is installed, the main induction axis is perpendicular to the forward direction of the car.
  • the acceleration sensor When a lateral force is received during the car's travel, the acceleration sensor has a signal output, which is filtered and sent to a single-chip computer, which performs A / D on its signal Transform and compare with the set sensitivity level to decide whether to alarm or control the left and right electronic switches to push the actuator ⁇ .
  • the acceleration sensor When the car turns to the right at a fast speed, the car tilts to the left, the acceleration sensor outputs a signal, and when the signal sent to the computer reaches a given value of the sensitivity range, its output terminal 8 outputs a control signal. Make the left electronic switch work, push the left actuator ⁇ one-way brake, and the buzzer will alarm.
  • the advantages of the present invention are as follows: 1.
  • the controller uses an acceleration sensor and intelligent electronic control, which is sensitive and reliable in control; it enables the car to balance forces during cornering and can effectively prevent sideslips and overturns.
  • the sensitivity gears of the controller can be adjusted according to different conditions of the car, such as different sensitive gears for empty cars, trucks, and super-high cars.
  • the single chip computer has a delay function, which can delay 1/4 second. If there is a normal bump during the driving of the car, the instantaneous tilt will not brake. Turns typically exceed a given delay time. 4.
  • Use this device to avoid artificial brake deceleration before turning. Increases vehicle speed, saves fuel for braking, and reduces air pollution. 5.
  • This device automatically controls the one-way brake when cornering, without the driver's operation, and does not affect the work of the braking system of the original car. 6. Easy installation.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)

Abstract

La présente invention se rapporte à un dispositif qui comprend un contrôleur et des actionneurs permettant d'assurer la stabilité d'un véhicule automobile. Un circuit détecteur d'accélération est connecté à l'unité centrale par un filtre et les sorties de l'unité centrale sont connectées respectivement à l'actionneur gauche et à l'actionneur droit. En outre, les sorties de l'unité centrale sont également connectées à un afficheur numérique et à un circuit prédicteur et une clé de réglage est connectée à l'unité centrale. Afin de fonctionner de manière intelligente et d'assurer une commande fiable, ledit dispositif met en oeuvre un capteur d'accélération et une unité de commande intelligente. Le dispositif de cette invention permet de régler la sensibilité de l'unité de commande en fonction de l'état du véhicule.
PCT/CN2001/001588 2001-06-08 2001-11-29 Dispositif antiderapage pour vehicule WO2003026939A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN01121520.8 2001-06-08
CNB011215208A CN100545012C (zh) 2001-06-08 2001-06-08 汽车电控式自动防倾覆装置

Publications (1)

Publication Number Publication Date
WO2003026939A1 true WO2003026939A1 (fr) 2003-04-03

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Application Number Title Priority Date Filing Date
PCT/CN2001/001588 WO2003026939A1 (fr) 2001-06-08 2001-11-29 Dispositif antiderapage pour vehicule

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CN (1) CN100545012C (fr)
WO (1) WO2003026939A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004009307U1 (de) * 2004-06-11 2004-12-02 Gaslock Gmbh Vorrichtung zum Anzeigen des eingelegten Gangs
CN102092374B (zh) * 2011-03-24 2013-08-07 孙玉亮 车辆多功能侧翻判定系统及自动防侧翻装置
WO2012126353A1 (fr) 2011-03-24 2012-09-27 Sun Yuliang Système de détection de renversement de véhicule multifonctionnel et dispositif anti-renversement automatique
CN102628687A (zh) * 2012-04-28 2012-08-08 浙江海洋学院 船舶水平姿态仪
CN102991492B (zh) * 2012-12-10 2015-08-12 荣成华泰汽车有限公司 车辆主动制动系统和方法
CN109704236B (zh) * 2018-12-17 2020-07-17 集美大学诚毅学院 一种具有防倾倒功能的叉车
CN110539734B (zh) * 2019-09-18 2020-07-03 厦门兴联智控科技有限公司 一种无人小型工具车及其自动驻车方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4852950A (en) * 1987-09-16 1989-08-01 Toyota Jidosha Kabushiki Kaisha Vehicle braking system capable of preventing rock-back motion of driver/passenger upon vehicle stopping
US5302007A (en) * 1991-11-30 1994-04-12 Mitsubishi Jidosha Kogue Kabushiki Kaisha Rear wheel braking force control method and an apparatus therefor
US5511865A (en) * 1993-09-07 1996-04-30 Lucas Industries Public Limited Company Apparatus for resonance control in a brake intervention traction control system
US5913578A (en) * 1996-10-30 1999-06-22 Aisin Seiki Kabushiki Kaisha Vehicle motion control system
US5944393A (en) * 1995-05-16 1999-08-31 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Turn control apparatus for a vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4852950A (en) * 1987-09-16 1989-08-01 Toyota Jidosha Kabushiki Kaisha Vehicle braking system capable of preventing rock-back motion of driver/passenger upon vehicle stopping
US5302007A (en) * 1991-11-30 1994-04-12 Mitsubishi Jidosha Kogue Kabushiki Kaisha Rear wheel braking force control method and an apparatus therefor
US5511865A (en) * 1993-09-07 1996-04-30 Lucas Industries Public Limited Company Apparatus for resonance control in a brake intervention traction control system
US5944393A (en) * 1995-05-16 1999-08-31 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Turn control apparatus for a vehicle
US5913578A (en) * 1996-10-30 1999-06-22 Aisin Seiki Kabushiki Kaisha Vehicle motion control system

Also Published As

Publication number Publication date
CN1390727A (zh) 2003-01-15
CN100545012C (zh) 2009-09-30

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