CN204567644U - Can be used for the brake system of intelligent vehicle - Google Patents
Can be used for the brake system of intelligent vehicle Download PDFInfo
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- CN204567644U CN204567644U CN201520099560.7U CN201520099560U CN204567644U CN 204567644 U CN204567644 U CN 204567644U CN 201520099560 U CN201520099560 U CN 201520099560U CN 204567644 U CN204567644 U CN 204567644U
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Abstract
The utility model relates to a kind of brake system being applicable to intelligent vehicle, comprise and initiatively build pressure unit, Conventional braking systems and shuttle valve, described active is built pressure unit and is comprised motor, worm screw, worm gear, gear, tooth bar and master brake cylinder, described Conventional braking systems comprises vacuum booster and master cylinder, and described shuttle valve is a kind of hydraulic coupling control cock.Compared with prior art, the utility model can realize the intelligent brake of common car, do not need to change original brake system, only need increase some sensor disturbance in judgement things etc., can also with regenerative brake with the use of, and have traditional brake system to backup during the inefficacy of active power source, effectively ensure that the safety and reliability of car brakeing.
Description
Technical field
The utility model belongs to automobile technical field, relates to automobile brake technology, is particularly useful for the brake system of intelligent vehicle.
Background technology
The vehicle intellectualized direction being future automobile and developing, intelligent vehicle is the system ensemble that integrates environment sensing, programmed decision-making, many grades assist the functions such as driving, it concentrates technology such as having used computing machine, modern sensing, information fusion, communication, artificial intelligence and automatic control, is typical new and high technology synthesis.
For intelligent vehicle, the Consideration ranked the first remains safety.Intelligent vehicle safety is no longer confined to material, the sensitivity of various part, the flintiness of automobile case, and in addition, the reliability of automobile brake, speed of response etc. are also inevitable Consideration.Traditional brake system can not meet the requirement of intelligent vehicle braking, intelligent brake can not be realized, existing Intelligent brake system is in the distance responding to car and obstacle with linear transducer, the process of data is carried out again by control system, according to the distance size output signal of sensor sensing, thus the throttle electromagnetic valve of automobile provides suitably degree of closing, and makes car deceleration, the more important thing is to the suitable signal of brake motor, stop before accident occurs by automobile to start brake motor.
EHB (EHB) develops on traditional hydraulic brake basis.Steering unit is that driven by motor speed reduction gearing promotion master cylinder push rod carries out building pressure, obtain signal according to sensor and send to entire car controller, entire car controller calculates braking requirement according to sensor signal and sends to electric machine controller, electric machine controller sends motor torque instruction, electric motor starting carries out building compacting and moves, thus realizing intelligent brake, high-pressure and hydraulic control unit then can regulate the brake-pressure of wheel automatically according to different driving cycles.This system shortens the reaction time, and can also with regenerative brake with the use of, in brake percentage city operating mode more frequently, the energy consumed because of braking can be greatly reduced.
Utility model content
The purpose of this utility model is to provide a kind of brake system that can be used for intelligent vehicle, can realize the intelligent brake of vehicle, and retain original brake system, controls simple, braking safety and reliability high.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of brake system that can be used for intelligent vehicle, the described brake system that can be used for intelligent vehicle is by initiatively building pressure unit, Conventional braking systems and shuttle valve composition, described active builds pressure unit by motor, worm screw, worm gear, gear, tooth bar, master cylinder and electric machine controller composition, described motor output shaft is connected with worm screw, described gear is one end is optical axis, there is tooth one end, the optical axis of this gear is connected by key with worm gear centre hole, described master cylinder comprises ante-chamber and back cavity, ante-chamber is connected with the inlet of shuttle valve by hydraulic tubing respectively with the liquid outlet of back cavity, master cylinder push rod contacts with tooth bar but is not connected, there is certain predetermincd tension between the two,
Described Conventional braking systems comprises vacuum booster and master cylinder, and master brake cylinder comprises ante-chamber and back cavity, and ante-chamber is connected with the inlet of shuttle valve with by hydraulic tubing respectively with the liquid outlet of back cavity;
Described shuttle valve has two, each shuttle valve has three mouths, wherein two is inlet, two inlets are relative, another is liquid outlet, first inlet of a shuttle valve is connected with the first liquid outlet of Conventional braking systems master cylinder, first inlet of another shuttle valve is connected with the second liquid outlet of Conventional braking systems master cylinder, in like manner, second inlet of shuttle valve is connected with the liquid outlet of corresponding Conventional braking systems master cylinder with active power source master cylinder, and the liquid outlet of shuttle valve is connected by pipeline with the inlet of ABS;
The hydraulic coupling of described shuttle valve liquid outlet is larger that of hydraulic coupling in two inlets, can be realized the switching of intelligent brake and traditional braking by shuttle valve;
Described active power source can coordinate with regenerative brake brakes jointly, and electric machine control is accurate, fast response time, and time inefficacy in active power source, Conventional braking systems can produce braking force by actv., brakes, improves the safety and reliability of braking.
Compared with prior art, the brake system tool that the utility model is applicable to intelligent vehicle has the following advantages:
1. not only can realize by shuttle valve the switching that fail safe can also realize intelligent brake and traditional braking, improve reliability and the safety of brake system.
2. active power source adopts electric machine control speed reduction gearing, and fast response time, accurately controls hydraulic braking force, can be good at coordinating motor regenerative braking force, improves the course continuation mileage of battery-driven car.
3., owing to driving the motor of straight-line motion mechanism controlled, motor regenerative braking force can be given full play to, thus can according to motor regenerative braking force, battery status, in good time adjustment hydraulic braking force, thus reclaim braking energy substantially.
4, common car can be made to realize intelligent brake, and not need to change traditional brake system.
5, there is certain extendability, Conventional braking systems pipeline increases the effect that pedal simulator and electromagnetic valve can realize electronics servo-unit.
Accompanying drawing explanation
Fig. 1 is the initial condition schematic diagram of the utility model embodiment;
Label in figure represents:
1-motor; 2-worm screw; 3-gear; 4-tooth bar; 5-worm gear; 6-fluid reservoir; 7-vacuum booster; 8-pedal; 9-legacy system master cylinder; 901-master cylinder first liquid outlet; 902-master cylinder second liquid outlet; 10-shuttle valve; 101-shuttle valve liquid outlet; 102-shuttle valve first inlet; 103-shuttle valve second inlet; 11-active power source master cylinder; 111-active power source master cylinder first liquid outlet; 112-active power source master cylinder second liquid outlet; 12-electric machine controller.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is illustrated further.
As shown in Figure 1, it is the utility model initial condition schematic diagram, be applicable to the brake system of intelligent vehicle by initiatively building pressure unit, Conventional braking systems and shuttle valve composition, described active builds pressure unit by motor 1, worm screw 2, worm gear 5, gear 3, tooth bar 4, master cylinder 11 and electric machine controller 12 form, described motor output shaft is connected with worm screw 2, described gear 3 for one end be optical axis, there is tooth one end, the optical axis of this gear 3 is connected by key with worm gear 5 centre hole, described master cylinder 11 comprises ante-chamber and back cavity, ante-chamber is connected with the inlet 103 of shuttle valve 10 by hydraulic tubing with 112 respectively with the liquid outlet 111 of back cavity, master cylinder push rod 113 contacts with tooth bar 5 but is not connected, there is certain predetermincd tension between the two,
Described Conventional braking systems comprises vacuum booster 7 and master brake cylinder 9, master brake cylinder comprises ante-chamber and back cavity, and ante-chamber is connected with shuttle valve first inlet 102 of shuttle valve 10 by hydraulic tubing with master cylinder second liquid outlet 902 respectively with master cylinder first liquid outlet 901 of back cavity;
Described shuttle valve 10 has two, each shuttle valve has three mouths, wherein two is shuttle valve first inlet 102 and 103, two inlets are relative, another is shuttle valve liquid outlet 101, first inlet 102 of a shuttle valve is connected with the first liquid outlet 901 of Conventional braking systems master cylinder 9, first inlet 102 of another shuttle valve is connected with the second liquid outlet 902 of Conventional braking systems master cylinder 9, in like manner, second inlet 103 of shuttle valve is connected with active power source master cylinder second liquid outlet 112 with active power source master cylinder first liquid outlet 111 with corresponding Conventional braking systems master cylinder 9, shuttle valve liquid outlet 101 is connected by pipeline with the inlet of ESC,
The hydraulic coupling of described shuttle valve liquid outlet 101 is larger those of hydraulic coupling in two inlets.Suppose that shuttle valve first inlet 102 hydraulic coupling is higher than shuttle valve second inlet 103, shuttle valve two inlet is interconnected with shuttle valve liquid outlet 101 one-tenth is T-shaped, but there is a ball between two inlets, the hydraulic coupling of shuttle valve first inlet 102 can press to ball that side of shuttle valve second inlet 103, thus the liquid blocking shuttle valve second inlet 103 can not flow out, the fluid pressure that shuttle valve liquid outlet 101 flows out is exactly the hydraulic coupling of shuttle valve first inlet 102, otherwise identical, the switching of intelligent brake and traditional braking therefore can be realized by shuttle valve 10;
Described active power source can coordinate with regenerative brake brakes jointly, and electric machine control is accurate, fast response time, and time inefficacy in active power source, Conventional braking systems can produce braking force by actv., brakes, improves the safety and reliability of braking.
Intelligent brake is realized during normal work, electric machine controller receives the braking instruction that entire car controller sends, electric machine controller sends to electric machine control torque command according to the instruction received, starter motor promotes master brake cylinder push rod and produces corresponding brake fluid pressure, now the hydraulic coupling in active power source is greater than the hydraulic coupling of Conventional braking systems side, therefore the hydraulic coupling of shuttle valve liquid outlet is exactly the hydraulic coupling that active power source produces, and high pressure oil enters wheel cylinder through ESC and brakes.
Inefficacy operating mode comprises that motor is stuck, motor can not Received signal strength, active power source pipeline liquid leakage etc., now vehicle can send early warning signal, chaufeur is reminded to take artificial braking, chaufeur can be stepped on brake pedal and promote master cylinder push rod by vacuum booster power-assisted to carry out building compacting dynamic, and braking is at this moment exactly traditional brake system.
Above-mentioned is can understand for ease of those skilled in the art and apply the utility model to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the utility model is not limited to the above embodiments, and those skilled in the art, according to announcement of the present utility model, do not depart from improvement that the utility model category makes and amendment all should within protection domain of the present utility model.
Claims (6)
1. one kind can be used for the brake system of intelligent vehicle, it is characterized in that, comprise and initiatively build pressure unit, stop mechanism and shuttle valve, described active builds pressure unit by motor, worm screw, worm gear, gear, tooth bar, master cylinder and electric machine controller composition, described motor output shaft is connected with worm screw, described gear one end is optical axis, there is tooth one end, the optical axis of this gear is connected by key with worm gear centre hole, described master cylinder comprises ante-chamber and back cavity, ante-chamber is connected with the inlet of shuttle valve by hydraulic tubing respectively with the liquid outlet of back cavity, master cylinder push rod contacts with tooth bar and arranges predetermincd tension.
2. the brake system that can be used for intelligent vehicle according to claim 1, is characterized in that:
Described stop mechanism comprises vacuum booster and master cylinder, and described master brake cylinder comprises ante-chamber and back cavity, and described ante-chamber is connected with the inlet of shuttle valve with by hydraulic tubing respectively with the liquid outlet of back cavity.
3. the brake system that can be used for intelligent vehicle according to claim 2, is characterized in that:
Described shuttle valve has two, each shuttle valve has three mouths, wherein two is inlet, two inlets are relative, another is liquid outlet, first inlet of a shuttle valve is connected with the first liquid outlet of stop mechanism master cylinder, and the first inlet of another shuttle valve is connected with the second liquid outlet of stop mechanism master cylinder.
4. the brake system that can be used for intelligent vehicle according to claim 3, is characterized in that:
Second inlet of shuttle valve is connected with the liquid outlet of corresponding Conventional braking systems master cylinder with active power source master cylinder, and the liquid outlet of shuttle valve is connected by pipeline with the inlet of ABS.
5. the brake system that can be used for intelligent vehicle according to claim 4, is characterized in that:
The hydraulic coupling of described shuttle valve liquid outlet is larger that of hydraulic coupling in two inlets, is realized the switching of intelligent brake and traditional braking by shuttle valve.
6. the brake system that can be used for intelligent vehicle according to claim 3, is characterized in that:
Described active power source coordinates with regenerative brake brakes jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520099560.7U CN204567644U (en) | 2015-02-11 | 2015-02-11 | Can be used for the brake system of intelligent vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520099560.7U CN204567644U (en) | 2015-02-11 | 2015-02-11 | Can be used for the brake system of intelligent vehicle |
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| CN204567644U true CN204567644U (en) | 2015-08-19 |
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| CN201520099560.7U Active CN204567644U (en) | 2015-02-11 | 2015-02-11 | Can be used for the brake system of intelligent vehicle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143459A (en) * | 2016-08-08 | 2016-11-23 | 合肥泰好乐电子科技有限公司 | A kind of electric controlled brake system of autonomous driving vehicle |
| CN106184172A (en) * | 2016-08-08 | 2016-12-07 | 合肥天健汽车科技有限公司 | A kind of electric controlled brake system of autonomous driving vehicle |
| 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 |
| CN112356817A (en) * | 2020-11-25 | 2021-02-12 | 吉林大学 | Unmanned automobile braking system with backup mode and control method thereof |
| CN112776785A (en) * | 2021-03-05 | 2021-05-11 | 南京经纬达汽车科技有限公司 | Distributed braking system with brake pedal stroke simulation and failure manual braking functions |
| CN112874492A (en) * | 2021-02-02 | 2021-06-01 | 南京经纬达汽车科技有限公司 | Brake boosting system and control method thereof |
| CN113071466A (en) * | 2021-04-07 | 2021-07-06 | 南京经纬达汽车科技有限公司 | Multifunctional shuttle valve type dual-motor redundant braking system and control method |
| CN112874492B (en) * | 2021-02-02 | 2024-10-01 | 南京经纬达汽车科技有限公司 | Brake boosting system and control method thereof |
-
2015
- 2015-02-11 CN CN201520099560.7U patent/CN204567644U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143459A (en) * | 2016-08-08 | 2016-11-23 | 合肥泰好乐电子科技有限公司 | A kind of electric controlled brake system of autonomous driving vehicle |
| CN106184172A (en) * | 2016-08-08 | 2016-12-07 | 合肥天健汽车科技有限公司 | A kind of electric controlled brake system of autonomous driving vehicle |
| 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 |
| CN112356817A (en) * | 2020-11-25 | 2021-02-12 | 吉林大学 | Unmanned automobile braking system with backup mode and control method thereof |
| CN112356817B (en) * | 2020-11-25 | 2021-07-23 | 吉林大学 | Unmanned automobile braking system with backup mode and control method thereof |
| CN112874492A (en) * | 2021-02-02 | 2021-06-01 | 南京经纬达汽车科技有限公司 | Brake boosting system and control method thereof |
| CN112874492B (en) * | 2021-02-02 | 2024-10-01 | 南京经纬达汽车科技有限公司 | Brake boosting system and control method thereof |
| CN112776785A (en) * | 2021-03-05 | 2021-05-11 | 南京经纬达汽车科技有限公司 | Distributed braking system with brake pedal stroke simulation and failure manual braking functions |
| CN113071466A (en) * | 2021-04-07 | 2021-07-06 | 南京经纬达汽车科技有限公司 | Multifunctional shuttle valve type dual-motor redundant braking system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180129 Address after: 200092 Shanghai City, Yangpu District Siping Road No. 1230 Patentee after: Tongji innovation venture Holdings Limited Address before: 200092 Shanghai City, Yangpu District Siping Road No. 1239 Patentee before: Tongji University |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180629 Address after: No. 1239, Siping Road, Yangpu District, Shanghai Patentee after: Tongji University Address before: No. 1230, Siping Road, Yangpu District, Shanghai Patentee before: Tongji innovation venture Holdings Limited |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190404 Address after: 201800 79, 328 Hengyong Road, Waigang Town, Jiading District, Shanghai Patentee after: Shanghai Yu Automotive Technology Co. Ltd. Address before: No. 1239, Siping Road, Yangpu District, Shanghai Patentee before: Tongji University |
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| TR01 | Transfer of patent right |