CN207416809U - Autonomous driving vehicle and its dead-man's device - Google Patents

Autonomous driving vehicle and its dead-man's device Download PDF

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Publication number
CN207416809U
CN207416809U CN201721363406.1U CN201721363406U CN207416809U CN 207416809 U CN207416809 U CN 207416809U CN 201721363406 U CN201721363406 U CN 201721363406U CN 207416809 U CN207416809 U CN 207416809U
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China
Prior art keywords
worm screw
driven
active
turbine
master cylinder
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Active
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CN201721363406.1U
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Chinese (zh)
Inventor
于洪达
陈孝先
万宝松
张波
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Shenzhen Zhecheng Technology Co., Ltd.
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Green Car Technology (beijing) Co Ltd
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Abstract

The utility model provides a kind of autonomous driving vehicle, including dead-man's device, dead-man's device includes master cylinder, brake main body, vacuum booster and control unit, brake main body is located between master cylinder and vacuum booster, and brake main body includes solenoid valve, driving motor, active worm screw, active turbine, transmission shaft, driven turbine wheel and driven worm screw.Driving motor directly drives master cylinder by turbine and worm mechanism, eliminates bracing wire driving mechanism, and pressure and displacement detection device are directly devised on worm and gear, and detection sensor is integrated in inside equipment, easy for installation;Driving motor directly drives master cylinder by turbine and worm mechanism, and generation system pressure does not change primary car structure, eliminates the risk of repacking oil circuit;Driving motor directly drives master cylinder, generation system pressure by worm gear mechanism, and simulation foot steps on the pressure of brake pedal generation, is entirely capable of the brake force for reaching hot-short braking needs.

Description

Autonomous driving vehicle and its dead-man's device
Technical field
The utility model is related to a kind of autonomous driving vehicle fields, and in particular to a kind of autonomous driving vehicle and its automatic brake Vehicle device.
Background technology
Autonomous driving vehicle is also known as pilotless automobile, computer driving or wheeled mobile robot, is that one kind passes through Computer system realizes unpiloted intelligent automobile, by artificial intelligence, vision calculating, radar, monitoring device and global location Systematic collaboration cooperation allows computer that can operate motor vehicles under the operation of nobody class active automatic safe.Automatically Driving has also had the history of many decades in 20th century, is showed at the beginning of 21 century close to practical trend, Google Autonomous driving vehicle obtained the first automatic driving vehicle licensing in the U.S. in May, 2012, it is contemplated that in 2015 to 2017 Year enters market sale.
Dead-man's device is the indispensable important component of autonomous driving vehicle, the automatic brake of existing autonomous driving vehicle Vehicle device uses electrodynamic type, fluid pressure type or ABS formulas more.Electrodynamic type is to perform brake pedal by motor, vehicle to be controlled to brake; Fluid pressure type is by hydraulic pump control brake system pressure, vehicle to be controlled to brake;ABS formulas are by former vehicle ABS control unit Control vehicle braking.
However, DYN dynamic motor needs by bracing wire brake pedal to be driven to perform action, it is also necessary to be stepped in braking Loading position detection device on plate, brake gear installation are inconvenient;Fluid pressure type is to generate pressure by motor-driven hydraulic pumps, and is led to Solenoid valve control pressure output is crossed, it is necessary to install solenoid valve additional at former vehicle master cylinder end, will not be back to control system pressure Master cylinder changes primary car structure, it is necessary to accordingly reequip oil circuit;ABS formulas are to generate pressure by abs pump, and pass through electromagnetism Valve control pressure exports, and the pressure that existing ABS formulas generate can or can not reach the brake force for braking needs at a high speed, be only suitable for low speed Automatic Pilot.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of simple installation, primary car structure and braking need not be changed The larger dead-man's device of torque.
To achieve the above object, the technical solution that the utility model is taken is:Dead-man's device, including master cylinder, Brake main body, vacuum booster and control unit, brake main body are located between master cylinder and vacuum booster, vacuum booster Connecting pin steps on brake pedal, and brake main body includes solenoid valve, driving motor, active worm screw, active turbine, transmission shaft, driven whirlpool Wheel and driven worm screw, active worm screw and active turbine are adapted, and driven turbine wheel and driven worm screw are adapted, driving motor driving master Dynamic worm screw rotates, and transmission shaft one end is connected with active turbine and can be by solenoid valve with active turbine rotation, the transmission shaft other end Control is connected or separated with driven turbine wheel, and driven worm screw connects master cylinder, and vacuum booster connects driven worm screw, driven worm screw End is equipped with pressure sensor, and driven worm screw lower part is equipped with displacement sensor, and control unit can be according to pressure sensor and displacement The detection data control driving motor of sensor rotates.
Transmission shaft is circular shaft, and transmission shaft is key connection with active turbine and driven turbine wheel.
Transmission shaft is right prism, and the shape of the endoporus of active turbine and driven turbine wheel is adapted therewith.
Active worm screw and driven worm screw are arranged in parallel.
Technical problem to be solved in the utility model also reside in and a kind of simple installation be provided, primary car structure need not be changed and The larger autonomous driving vehicle of braking moment.
To achieve the above object, the technical solution that the utility model is taken is:Autonomous driving vehicle, including said structure Dead-man's device.
The autonomous driving vehicle of the utility model, including dead-man's device, dead-man's device includes master cylinder, stops Vehicle main body, vacuum booster and control unit, brake main body are located between master cylinder and vacuum booster, and vacuum booster connects Pin steps on brake pedal, and brake main body includes solenoid valve, driving motor, active worm screw, active turbine, transmission shaft, driven turbine wheel With driven worm screw, active worm screw and active turbine are adapted, and driven turbine wheel and driven worm screw are adapted, and driving motor driving is actively Worm screw rotates, and transmission shaft one end is connected with active turbine and can be by solenoid valve control with active turbine rotation, the transmission shaft other end System is connected or separated with driven turbine wheel, and driven worm screw connects master cylinder, and vacuum booster connects driven worm screw, driven worm screw end Portion is equipped with pressure sensor, and driven worm screw lower part is equipped with displacement sensor, and control unit can be passed according to pressure sensor and displacement The detection data control driving motor of sensor rotates.Driving motor directly drives master cylinder by turbine and worm mechanism, saves Bracing wire driving mechanism, pressure and displacement detection device is directly devised on worm and gear, and detection sensor is integrated in It is easy for installation inside equipment;Driving motor directly drives master cylinder by turbine and worm mechanism, and generation system pressure does not have Change primary car structure, eliminate the risk of repacking oil circuit;Driving motor directly drives master cylinder by worm gear mechanism, production Raw system pressure, simulation is that foot steps on the pressure that brake pedal generates, and is entirely capable of the brake force for reaching hot-short braking needs.
Description of the drawings
Fig. 1 is the structure diagram of specific embodiment of the utility model one;
Fig. 2 is the structure diagram of brake main body 2 in Fig. 1;
Fig. 3 is the front view of Fig. 2;
Fig. 4 is the top view of Fig. 3.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
The specific embodiment one of the autonomous driving vehicle of the utility model, as shown in Figure 1 to Figure 4 shown in, including self-actuating brake Device, dead-man's device include master cylinder 1, brake main body 2, vacuum booster 3 and control unit, and brake main body 2 is located at Between master cylinder 1 and vacuum booster 3,3 connecting pin of vacuum booster steps on brake pedal, brake main body 2 include solenoid valve 4, Driving motor 5, active worm screw 6, active turbine 7, transmission shaft 8, driven turbine wheel 9 and driven worm screw 10, active worm screw 6 and active whirlpool Wheel 7 is adapted, and driven turbine wheel 9 and driven worm screw 10 are adapted, and driving motor 5 drives active worm screw 6 to rotate, 8 one end of transmission shaft It is connected and can be rotated with active turbine 7 with active turbine 7,8 other end of transmission shaft can be controlled by solenoid valve 4 to be connected with driven turbine wheel 9 It connects or separates, driven worm screw 10 connects master cylinder 1, and vacuum booster 3 connects driven worm screw 10, and driven 10 end of worm screw is equipped with Pressure sensor 11, driven 10 lower part of worm screw are equipped with displacement sensor 12, and control unit can be according to pressure sensor 11 and displacement The detection data control driving motor 5 of sensor 12 rotates.
When dead-man's device works, automatic operation mode and manual work pattern may be selected.
Under automatic operation mode:Solenoid valve 4, which is attracted transmission shaft 8, makes transmission shaft 8 be combined with driven turbine wheel 9, and driving motor 5 drives Dynamic active worm screw 6 rotates, and active worm screw 6 drives active turbine 7 to rotate, and active turbine 7 drives driven turbine wheel 9,9 band of driven turbine wheel It moves driven worm screw 10 to move, driven worm screw 10 drives position sensor(11)Mobile, driven worm screw 10 is moved to pressure sensor 11 generate pressure, and the driven movement of worm screw 10 drives the movement of pressure sensor 11 that master cylinder 1 is driven to generate brake force, pressure sensing Device 11, the detection data of position sensor 12 pass to control unit, control unit displacement as needed and pressure, and control is driven Dynamic motor 5 rotates, stroke closed-loop control.
Under manual work pattern:Solenoid valve 4, which releases transmission shaft 8, makes transmission shaft 8 be disconnected with driven turbine wheel 9, and foot is stepped on braking and stepped on Strip is moved vacuum booster 3 and is moved, and vacuum booster 3 promotes driven worm screw 10 to move, and driven worm screw 10 drives 9 turns of driven turbine wheel Dynamic, because transmission shaft 8 and driven turbine wheel 9 disconnect, so driven turbine wheel 9 dallies, driven worm screw 10 drives position sensor 12 to move, Driven worm screw 10 is moved to pressure sensor 11 and generates pressure, and the driven movement of worm screw 10 drives the movement of pressure sensor 11 to drive system Dynamic master cylinder 1 generates brake force.
Driving motor 5 directly drives master cylinder 1 by turbine and worm mechanism, bracing wire driving mechanism is eliminated, in worm gear Pressure and displacement detection device are directly devised on worm screw, and detection sensor is integrated in inside equipment, it is easy for installation;Driving Motor 5 directly drives master cylinder 1 by turbine and worm mechanism, and generation system pressure does not change primary car structure, eliminates and change The risk on charge of oil road;Driving motor 5 directly drives master cylinder 1, generation system pressure by worm gear mechanism, and simulation is Foot steps on the pressure of brake pedal generation, is entirely capable of the brake force for reaching hot-short braking needs.
Transmission shaft 8 is right prism, and the shape of the endoporus of active turbine 7 and driven turbine wheel 9 is adapted therewith, then active turbine 7 and driven turbine wheel 9 can be rotated with transmission shaft 8, power transfer more stablize, certainly, the utility model other implementation In example, transmission shaft 8 can be circular shaft, and transmission shaft 8 is key connection with active turbine 7 and driven turbine wheel 9, is convenient for processing and fill Match somebody with somebody.
Active worm screw 6 and driven worm screw 10 are arranged in parallel, then main body of braking 2 is assembled with master cylinder 1 and vacuum booster 3 Occupied space is smaller afterwards, is convenient for mounting and dismounting.
The specific embodiment one of the dead-man's device of the utility model, and the specific embodiment one of autonomous driving vehicle The structure of middle dead-man's device is consistent, and details are not described herein again.

Claims (5)

1. dead-man's device, which is characterized in that including master cylinder, brake main body, vacuum booster and control unit, brake Main body is located between master cylinder and vacuum booster, and vacuum booster connecting pin steps on brake pedal, and brake main body includes electromagnetism Valve, driving motor, active worm screw, active turbine, transmission shaft, driven turbine wheel and driven worm screw, active worm screw and active turbine phase Adaptation, driven turbine wheel and driven worm screw are adapted, and driving motor driving active worm screw rotates, and transmission shaft one end connects with active turbine It connects and can be connected or separated with active turbine rotation, the transmission shaft other end by solenoid valve control and driven turbine wheel, driven worm screw Master cylinder is connected, vacuum booster connects driven worm screw, and driven worm end is equipped with pressure sensor, and driven worm screw lower part is set There is displacement sensor, control unit can control driving motor to rotate according to the detection data of pressure sensor and displacement sensor.
2. dead-man's device according to claim 1, which is characterized in that transmission shaft is circular shaft, transmission shaft and active whirlpool Wheel and driven turbine wheel are key connection.
3. dead-man's device according to claim 1, which is characterized in that transmission shaft is right prism, active turbine and from The shape of the endoporus of dynamic turbine is adapted therewith.
4. dead-man's device according to claim 1, which is characterized in that active worm screw and driven worm screw are arranged in parallel.
5. autonomous driving vehicle, which is characterized in that including dead-man's device according to any one of claims 1 to 4.
CN201721363406.1U 2017-10-23 2017-10-23 Autonomous driving vehicle and its dead-man's device Active CN207416809U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721363406.1U CN207416809U (en) 2017-10-23 2017-10-23 Autonomous driving vehicle and its dead-man's device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721363406.1U CN207416809U (en) 2017-10-23 2017-10-23 Autonomous driving vehicle and its dead-man's device

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Publication Number Publication Date
CN207416809U true CN207416809U (en) 2018-05-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107571855A (en) * 2017-10-23 2018-01-12 绿驰汽车科技(北京)有限公司 A kind of autonomous driving vehicle and its dead-man's device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107571855A (en) * 2017-10-23 2018-01-12 绿驰汽车科技(北京)有限公司 A kind of autonomous driving vehicle and its dead-man's device

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20181224

Address after: 518000 Excellent Times Square Building 701-712 712, 4068 Yitian Road, Futian Street, Futian District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen Zhecheng Technology Co., Ltd.

Address before: Room 232, 2nd floor, No. 3 Building, Yanshangyuan, Xierqi, Haidian District, Beijing

Patentee before: Green car technology (Beijing) Co., Ltd.

TR01 Transfer of patent right