CN110203188A - A kind of electric booster braking system - Google Patents
A kind of electric booster braking system Download PDFInfo
- Publication number
- CN110203188A CN110203188A CN201910451789.5A CN201910451789A CN110203188A CN 110203188 A CN110203188 A CN 110203188A CN 201910451789 A CN201910451789 A CN 201910451789A CN 110203188 A CN110203188 A CN 110203188A
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- CN
- China
- Prior art keywords
- screw
- input
- master cylinder
- electric booster
- power output
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- Legal status (The legal status 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 status listed.)
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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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
-
- 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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/745—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention discloses a kind of electric booster braking systems, including master cylinder body etc., motor is transmitted torque on screw by gear pair, mating connection screw rod is converted into thrust to the power output bar of screw rod one end in screw with the torque for transmitting gear pair, thrust is passed to the brake master cylinder piston of one end to generate the required hydraulic coupling of braking by power output bar, shift fork one end is connected with pedal obtains input intention, the shift fork other end is connected with input lever transmits input intention and input power, push rod is connect with input lever, magnetic substance is connected to reflect the variation of input displacement with push rod, sensor chip is mounted on the change in displacement that magnetic substance is exported in sensor.The present invention realizes the electric booster braking of vehicle, and vehicle is just able to cooperate under the support without ESC and carries out correlation energy recycling；Become whole energy recovery process controllably, can be intervened at any time according to process of the demand to energy regenerating；It can ensure feel consistency under various conditions, during whole actuation.
Description
Technical field
The present invention relates to the fields of braking system, and in particular to a kind of electric booster braking system.
Background technique
The electric booster system used currently on the market mainly has: Honda mixes motor vehicle brake system, using double brake
The mode of master cylinder realizes function；Bosch is realized by the way of ibooster+esc hev；By the gloomy side using idle stroke
Formula realizes Brake energy recovery.
Prior art mainly has the disadvantages that Honda mixes motor vehicle brake system using the side of dual mixture induction system
Formula is more demanding to installation site to realize function, higher cost；Bosch is by the way of ibooster+esc hev come real
It is existing, it is necessary to be used together the two and just be able to achieve corresponding function, limit to the applicable cases of product；By the gloomy side using idle stroke
Formula realizes the function of energy regenerating, but will appear when failure and trample too deep situation, causes the fear of user.
Summary of the invention
It is an object of the invention to overcome the shortcomings of the prior art, and provide a kind of electric booster braking system.
The object of the present invention is achieved by the following technical solutions: this electric booster braking system mainly includes
Master cylinder body, brake master cylinder piston, solenoid valve, liquid storage chamber, motor, gear, cabinet, power output bar, upper cover, push rod, input
Bar, shift fork, screw, screw rod, bearing, retainer ring, flat key, gear pair, sensor, sensor chip, magnetic substance, the output shaft of motor
Connection gear, gear are transmitted torque on screw by gear pair, are connected between gear pair and screw by flat key, are matched in screw
It closes connection wire rod to be converted into thrust to the power output bar of screw rod one end with the torque for transmitting gear pair, power output bar is by thrust
The brake master cylinder piston of one end is passed to hydraulic coupling needed for generating braking, power output bar and the screw rod for two separate zero
Part, contribute bar on have U-type groove；The U-type groove size of power output bar is adjusted as needed, when needing to brake compensation, motor
It drives gear pair to drive screw rotation by gear, so that screw rod be pushed to advance, pushes power output bar, because there is the presence of U-type groove,
Push rod be will not influence so that it is guaranteed that input lever and shift fork are not driven generation movement.Setting liquid storage chamber and electricity in master cylinder body
Magnet valve.
The screw is mounted on bearings to realize positioning and rotation, and screw one end is limited by retainer ring.
Described shift fork one end is connected with pedal obtains input intention, and the shift fork other end is connected with input lever transmits input intention
With input power, push rod is connect with input lever, and magnetic substance is connected to reflect the variation of input displacement, sensor chip installation with push rod
The change in displacement of magnetic substance is exported in sensor.
Above-mentioned component is mounted in cabinet and is sealed by upper cover, and brake master cylinder piston is arranged in master cylinder body.
Elastomer A is set between the push rod and input lever to simulate the jump value function of vacuum booster by precompressed.
Elastomer B is installed in the upper cover, precompressed, simulation member of the elastomer B as pedal feedback power are carried out by retainer ring
Part, setting Sealing shield ring in retainer ring inside is as dust-proof.
Using the connection type of spherical surface input between the push rod and input lever.
The invention has the benefit that the present invention realizes a kind of completely new energy regenerating mode, the electricity of vehicle is realized
Dynamic power brake is just able to cooperate vehicle under the support without ESC and carries out correlation energy recycling, saved cost, improved production
The applicability of product；It is added to a normally close valve on master cylinder, becomes whole energy recovery process controllably, it can be according to
Demand intervenes the process of energy regenerating at any time；Spring is used to simulate as feel, it can be ensured that under various conditions, whole
Feel consistency during body actuation；For force aid system by the way of fission decoupling, Lai Shixian compensation hydraulic acts Shi Buying
Ring feel, it is ensured that there is no indisposed sense in user's use process.
Detailed description of the invention
Fig. 1 is structure sectional view of the invention.
Fig. 2 is appearance diagram of the invention.
Fig. 3 is to regard cross-sectional view in structure of the invention.
Fig. 4 is power output bar peripheral part structural schematic diagram of the invention.
Description of symbols: master cylinder body 101, brake master cylinder piston 102, solenoid valve 103, liquid storage chamber 104, motor
201, gear 202, cabinet 3, power output bar 4, U-type groove 401, elastomer A5, upper cover 7, elastomer B801, Sealing shield ring 802, retainer ring
803, push rod 901, input lever 902, shift fork 903, screw 10, screw rod 11, bearing 12, retainer ring 1201, flat key 13, gear pair 14,
Sensor 15, sensor chip 1501, magnetic substance 16.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be described in detail:
Embodiment: as shown in the picture, this electric booster braking system mainly includes master cylinder body 101, braking master
It is the cylinder piston 102, solenoid valve 103, liquid storage chamber 104, motor 201, gear 202, cabinet 3, power output bar 4, upper cover 7, push rod 901, defeated
Enter bar 902, shift fork 903, screw 10, screw rod 11, bearing 12, retainer ring 1201, flat key 13, gear pair 14, sensor 15, sensor
Chip 1501, magnetic substance 16, the output shaft connection gear 202 of motor 201, gear 202 transmit torque to silk by gear pair 14
It on mother 10, is connected between gear pair 14 and screw 10 by flat key 13, screw 10 is mounted on bearing 12 to realize positioning and turn
Dynamic, 10 one end of screw is limited by retainer ring 1201, torque axis of the mating connection screw rod 11 to transmit gear pair 14 in screw 10
It turns in thrust to the power output bar 4 of 11 one end of screw rod, power output bar 4 is two parts separated with screw rod 11, is contributed on bar 4
With U-type groove 401.Thrust is passed to the brake master cylinder piston 102 of one end and brakes required hydraulic coupling to generate by power output bar 4,
903 one end of shift fork be connected with pedal acquisition input be intended to, 903 other end of shift fork be connected with input lever 902 transmitting input intention and
Input power, push rod 901 are connect with input lever 902, and elastomer A5 is arranged between push rod 901 and input lever 902 to pass through pre- pressing mold
The jump value function of quasi- vacuum booster.Using the connection type of spherical surface input between push rod 901 and input lever 902.Magnetic substance
16 are connected to reflect the variation of input displacement with push rod 901, and sensor chip 1501 is mounted in sensor 15 to export magnetism
The change in displacement of body 16, above-mentioned component are mounted in cabinet 3 and are sealed by upper cover 7, elastomer B801 is installed in upper cover 7, is led to
It crosses retainer ring 803 and carries out precompressed, Sealing shield ring is arranged on the inside of retainer ring 803 in analog element of the elastomer B801 as pedal feedback power
802 as dust-proof.Liquid storage chamber is arranged in the setting of brake master cylinder piston 102 in master cylinder body 101, master cylinder body 101
104 and solenoid valve 103.
Working principle of the present invention:
In electrical system failure, pedal force passes to shift fork 903, then passes to input lever 902, then pass to push rod
901, then power output bar 4 is passed to act on brake master cylinder piston 102, form brake fluid pressure.
In normal brake application, the input intention on pedal is transmitted on push rod 901, is driven magnetic substance 16 mobile, is passed
Sensor chip 1501 senses that the displacement of magnetic substance 16 generates signal, and signal is passed to ECU, to control motor 201
Movement, and then gear pair 14 is driven to rotate, thrust is generated under the cooperation of screw 10 and screw rod 11 to form power-assisted.
In active brake, ECU receives the external signal passed over, controls the movement of motor 201, and then with movable tooth
Wheel set 14 rotates, and generates thrust under the cooperation of screw 10 and screw rod 11 to form power-assisted.
In Brake energy recovery, solenoid valve 103 is opened, to brake fluid is stored in liquid storage chamber 104, by vehicle electrical
Machine forms braking torque.U-type groove 401 is had on power output bar 4, push rod 901 can not be interfered when needing braking torque to compensate
So as to avoid the variation of pedal position.
It is understood that it will be understood by those skilled in the art that being subject to technical solution of the present invention and inventive concept
It all should fall within the scope of protection of the appended claims of the present invention with replacement or change.
Claims (7)
1. a kind of electric booster braking system, it is characterised in that: mainly include master cylinder body (101), brake master cylinder piston
(102), solenoid valve (103), liquid storage chamber (104), motor (201), gear (202), cabinet (3), power output bar (4), upper cover (7),
Push rod (901), input lever (902), shift fork (903), screw (10), screw rod (11), bearing (12), retainer ring (1201), flat key
(13), gear pair (14), sensor (15), sensor chip (1501), magnetic substance (16), the output axis connection of motor (201)
Gear (202), gear (202) are transmitted torque on screw (10) by gear pair (14), gear pair (14) and screw (10) it
Between by flat key (13) connect, the interior mating connection screw rod (11) of screw (10) is converted into the torque for transmitting gear pair (14) to push away
Power is applied on the power output bar (4) of screw rod (11) one end, and thrust is passed to the brake master cylinder piston of one end by power output bar (4)
(102) to generate the required hydraulic coupling of braking；The power output bar (4) is two parts separated with screw rod (11), is contributed bar (4)
It is upper to have U-type groove (401)；U-type groove (401) size of power output bar (4) is adjusted as needed, when needing to brake compensation,
Motor (201) drives screw (10) rotation to push away so that screw rod (11) be pushed to advance by gear (202) driving gear pair (14)
Dynamic power output bar (4) ensures that input lever (902) and shift fork (903) are not driven generation movement, setting in master cylinder body (101)
Liquid storage chamber (104) and solenoid valve (103).
2. electric booster braking system according to claim 1, it is characterised in that: the screw (10) is mounted on bearing
(12) to realize positioning and rotation on, screw (10) one end is limited by retainer ring (1201).
3. electric booster braking system according to claim 1, it is characterised in that: described shift fork (903) one end and pedal
The acquisition input that is connected is intended to, and shift fork (903) other end is connected with input lever (902) transmits input intention and input power, push rod
(901) it is connect with input lever (902), magnetic substance (16) is connected with push rod (901) to reflect the variation of input displacement, sensor core
Piece (1501) is mounted on the change in displacement that magnetic substance (16) are exported in sensor (15).
4. electric booster braking system according to claim 1, it is characterised in that: above-mentioned component is mounted in cabinet (3)
And sealed by upper cover (7), brake master cylinder piston (102) is arranged in master cylinder body (101).
5. electric booster braking system according to claim 1, it is characterised in that: the push rod (901) and input lever
(902) elastomer A (5) are set between to simulate the jump value function of vacuum booster by precompressed.
6. electric booster braking system according to claim 1, it is characterised in that: install elastomer B in the upper cover (7)
(801), precompressed is carried out by retainer ring (803), analog element of the elastomer B (801) as pedal feedback power, retainer ring (803) is interior
Sealing shield ring (802) are arranged as dust-proof in side.
7. electric booster braking system according to claim 1, it is characterised in that: the push rod (901) and input lever
(902) using the connection type of spherical surface input between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451789.5A CN110203188B (en) | 2019-05-28 | 2019-05-28 | Electric power-assisted braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451789.5A CN110203188B (en) | 2019-05-28 | 2019-05-28 | Electric power-assisted braking system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110203188A true CN110203188A (en) | 2019-09-06 |
| CN110203188B CN110203188B (en) | 2023-10-27 |
Family
ID=67789114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910451789.5A Active CN110203188B (en) | 2019-05-28 | 2019-05-28 | Electric power-assisted braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110203188B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267797A (en) * | 2020-02-18 | 2020-06-12 | 万向钱潮股份有限公司 | Pedal input rod structure of automobile brake power-assisted system |
| CN111550507A (en) * | 2020-05-14 | 2020-08-18 | 贵州航天林泉电机有限公司 | Electromechanical actuator for unmanned aerial vehicle brake |
| CN112389396A (en) * | 2020-12-04 | 2021-02-23 | 万向钱潮股份有限公司 | Electronic power-assisted brake system |
| CN112537283A (en) * | 2020-12-23 | 2021-03-23 | 万向钱潮股份有限公司 | Electronic brake booster pedal feel simulator |
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|---|---|---|---|---|
| US20030024245A1 (en) * | 2001-08-02 | 2003-02-06 | Delphi Technologies, Inc. | Electric brake booster with unrestricted manual push through |
| CN101875353A (en) * | 2009-04-30 | 2010-11-03 | 日立汽车***株式会社 | Brake system |
| WO2013179746A1 (en) * | 2012-06-01 | 2013-12-05 | 日立オートモティブシステムズ株式会社 | Hydraulic pressure generation device |
| CN105774788A (en) * | 2016-03-04 | 2016-07-20 | 吉林大学 | Electric power-assisted braking system with composite functions |
| TW201800286A (en) * | 2016-06-21 | 2018-01-01 | Ａｐ賽車有限公司 | A hydraulic master cylinder, a vehicle braking system and a vehicle |
| CN108189826A (en) * | 2018-02-06 | 2018-06-22 | 吉林大学 | Suitable for the full decoupling formula mechano-electronic energy assisted braking system of Brake energy recovery |
| CN108275139A (en) * | 2018-02-05 | 2018-07-13 | 吉林大学 | Part and full decoupled combined type electric booster braking system |
| CN108674403A (en) * | 2018-04-19 | 2018-10-19 | 中山大学 | Electric booster braking device and braking method |
| CN108860120A (en) * | 2018-08-21 | 2018-11-23 | 宁波多维吉汽车科技有限公司 | A kind of electrical servo brake apparatus with multiple-working mode |
| CN210852420U (en) * | 2019-05-28 | 2020-06-26 | 万向钱潮股份有限公司 | Electric power-assisted brake system |
-
2019
- 2019-05-28 CN CN201910451789.5A patent/CN110203188B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030024245A1 (en) * | 2001-08-02 | 2003-02-06 | Delphi Technologies, Inc. | Electric brake booster with unrestricted manual push through |
| CN101875353A (en) * | 2009-04-30 | 2010-11-03 | 日立汽车***株式会社 | Brake system |
| WO2013179746A1 (en) * | 2012-06-01 | 2013-12-05 | 日立オートモティブシステムズ株式会社 | Hydraulic pressure generation device |
| CN105774788A (en) * | 2016-03-04 | 2016-07-20 | 吉林大学 | Electric power-assisted braking system with composite functions |
| TW201800286A (en) * | 2016-06-21 | 2018-01-01 | Ａｐ賽車有限公司 | A hydraulic master cylinder, a vehicle braking system and a vehicle |
| CN108275139A (en) * | 2018-02-05 | 2018-07-13 | 吉林大学 | Part and full decoupled combined type electric booster braking system |
| CN108189826A (en) * | 2018-02-06 | 2018-06-22 | 吉林大学 | Suitable for the full decoupling formula mechano-electronic energy assisted braking system of Brake energy recovery |
| CN108674403A (en) * | 2018-04-19 | 2018-10-19 | 中山大学 | Electric booster braking device and braking method |
| CN108860120A (en) * | 2018-08-21 | 2018-11-23 | 宁波多维吉汽车科技有限公司 | A kind of electrical servo brake apparatus with multiple-working mode |
| CN210852420U (en) * | 2019-05-28 | 2020-06-26 | 万向钱潮股份有限公司 | Electric power-assisted brake system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267797A (en) * | 2020-02-18 | 2020-06-12 | 万向钱潮股份有限公司 | Pedal input rod structure of automobile brake power-assisted system |
| CN111550507A (en) * | 2020-05-14 | 2020-08-18 | 贵州航天林泉电机有限公司 | Electromechanical actuator for unmanned aerial vehicle brake |
| CN112389396A (en) * | 2020-12-04 | 2021-02-23 | 万向钱潮股份有限公司 | Electronic power-assisted brake system |
| CN112537283A (en) * | 2020-12-23 | 2021-03-23 | 万向钱潮股份有限公司 | Electronic brake booster pedal feel simulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110203188B (en) | 2023-10-27 |
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Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant after: Wanxiang Qianchao Co.,Ltd. Applicant after: WANXIANG GROUP Co.,Ltd. Address before: No.1 Wanxiang Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Applicant before: WANXIANG QIANCHAO Co.,Ltd. Applicant before: WANXIANG GROUP Co.,Ltd. |
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