CN106347336B - A kind of intelligent automobile brake assist system - Google Patents
A kind of intelligent automobile brake assist system Download PDFInfo
- Publication number
- CN106347336B CN106347336B CN201610999243.XA CN201610999243A CN106347336B CN 106347336 B CN106347336 B CN 106347336B CN 201610999243 A CN201610999243 A CN 201610999243A CN 106347336 B CN106347336 B CN 106347336B
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- China
- Prior art keywords
- brake
- vacuum
- vacuum accumulator
- ecu
- boost pump
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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
- B60T13/24—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 the fluid being gaseous
- B60T13/46—Vacuum systems
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- 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
- B60T13/02—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 mechanical assistance or drive
-
- 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
- B60T13/683—Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic systems or parts thereof
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Braking Arrangements (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a kind of intelligent automobile brake assist systems, comprising: vacuum accumulator, vacuum pressure accumulation control device, control solenoid valve, brake boost pump and brake servomechanism；A pressure sensor is provided on the vacuum accumulator, the pressure sensor is connected with the ECU of vehicle itself, and for acquiring the negative pressure signal in the vacuum accumulator and being transferred to the ECU；The vacuum pressure accumulation control device is arranged between vehicle motor and the vacuum accumulator and connect with the ECU, when the negative pressure in vacuum accumulator is lower than a preset value, increases vacuum accumulator air-breathing the negative pressure in vacuum accumulator by engine；The control solenoid valve setting is connect between vacuum accumulator and brake boost pump and with ECU；The brake servomechanism butts up against on brake boost pump.The present invention greatly improves the braking ability of automobile by the way of mechanical and car-mounted electronic control device parallel connection, has preferable safe application performance, meets actual operation requirements.
Description
Technical field
The present invention relates to a kind of intelligent automobile brake assist systems, belong to automobile brake technical field.
Background technique
Automobile brake system is also known as brake system of car.Brake system effect is: making the automobile in traveling according to driver
Requirement carry out forced deceleration even stop；Stay the automobile of stagnation of movement stabilization under the conditions of different kinds of roads (including on ramp)
Vehicle；The car speed of descent run is set to keep stablizing.Each automobile vendor, the country uses on middle-size and small-size finished market product vehicle at present
More drum brakes system after being shroud, part vehicle are four-wheel disk type brake, and relative to drum brakes, disk type brake is in skill
It is more advanced in art, more lightweight in quality, heat dissipation performance, braking ability and complicated weather, road conditions conformability more
It is excellent.Brake system of car refers to the safety traffic in order to technically guarantee automobile, improves the average speed etc. of automobile, and
Brake apparatus special arrestment mechanism is installed on automobile.In general brake system of car includes service braking device and parking system
Dynamic two sets of independent devices of device.Wherein service braking device is to be manipulated by driver with foot, therefore also known as foot brake.
Stop device is hand-operated by driver, therefore also known as hand brake device.According to braking energy source situation, braking system may be used also
It is divided into 3 kinds of muscular energy brake system, dynamic braking system and servo brake system etc..Muscular energy brake system is using the physical strength of driver as braking
The energy；The air pressure or hydraulic as braking energy source that dynamic braking system is converted using engine power；And servo brake system is then simultaneous
Use manpower and engine power as braking energy source.In addition, braking system can be divided into machinery according to the transfer mode of braking energy again
Formula, fluid pressure type, vapour-pressure type and electromagnetic type wait until several.In type brake system of car, brake is used in auto brake system
To generate the component for the power for preventing vehicle movement or movement tendency.Brake used in type automobile is all friction brake,
Namely prevent the braking moment of motor racing from the friction between fixing element and rotating working surface.
Currently, brake system in the prior art is connect using mechanical linkage, and with brake boost pump, Ci Zhongjie
Structure, which artificially can only be realized to trample, passively to be braked, and the braking ability of brake is lower, repeatly because of the accident caused by braking not in time
Prohibit more than.For this purpose, how to be very necessary by brake assist system and control electronics parallel connection.
Summary of the invention
The present invention is exactly in view of the deficienciess of the prior art, provide a kind of intelligent automobile brake assist system, the brake
Force aid system greatly improves the braking ability of automobile by the way of mechanical and car-mounted electronic control device parallel connection, has
There is preferable safe application performance, meets actual operation requirements.
To solve the above problems, the technical solution used in the present invention is as follows:
A kind of intelligent automobile brake assist system, comprising: vacuum accumulator, vacuum pressure accumulation control device, control solenoid valve,
Brake boost pump and brake servomechanism；
A pressure sensor is provided on the vacuum accumulator, the pressure sensor is connected with the ECU of vehicle itself,
And for acquiring the negative pressure signal in the vacuum accumulator and being transferred to the ECU；
The vacuum pressure accumulation control device is arranged between vehicle motor and the vacuum accumulator and connects with the ECU
It connects, when the negative pressure in the vacuum accumulator is lower than a preset value, by engine to the vacuum accumulator air-breathing to increase
Add the negative pressure in the vacuum accumulator；
The control solenoid valve is arranged between the vacuum accumulator and the brake boost pump and connects with the ECU
It connects, opens the vacuum gas so that in the vacuum accumulator for being controlled when the engine speed is zero by the ECU
Body is able to enter the brake boost pump；
The brake servomechanism butts up against on the brake boost pump, carries out auxiliary system for the brake system to automobile
Movement is used；
The brake servomechanism includes servobrake piece, pressing plate, screw rod, slide bar, pushing plate and cylinder, the cylinder two
End is provided with the pushing plate, and the screw rod is installed in the pressing plate both ends, and the slide bar is arranged on the screw rod, and institute
It states pushing plate and docks setting with the slide bar, the servobrake piece is arranged on the pressing plate.
As an improvement of the above technical solution, it is provided between the vacuum accumulator and the vacuum pressure accumulation control device
First pipe, and a solenoid valve is provided in the first pipe.
As an improvement of the above technical solution, the second pipe is provided between the vacuum accumulator and the brake boost pump
Road, and the control solenoid valve is arranged on the second pipe.
As an improvement of the above technical solution, it is provided between the vacuum pressure accumulation control device and the brake boost pump
Third pipeline, the vacuum pressure accumulation control device upper and lower ends are respectively arranged with the first valve body and the second valve body, and described first
Valve body and second valve body are connected with the ECU.
As an improvement of the above technical solution, sync buffering mechanism is additionally provided on the brake servomechanism, it is described same
Step buffer gear includes the synchronous slider being movably arranged on the slide bar and the buffering apical pore being arranged on the screw rod, described
Connecting rod is provided between synchronous slider one end and the pushing plate, the synchronous slider other end is provided with the cooperation buffering
The synchronization thimble that apical pore uses.
Engine of the present invention, the ECU are automobile basic equipment device.
Compared with prior art, implementation result of the invention is as follows by the present invention:
A kind of intelligent automobile brake assist system of the present invention, the brake assist system pass through solenoid valve, ECU, biography
Sensor realizes storage and release vacuum gas, by the way of mechanical and car-mounted electronic control device parallel connection, to realize
Parallel control and connection to brake machinery component, greatly improve the braking ability of automobile, have preferable safe handling property
Can, meet actual operation requirements.
Detailed description of the invention
Fig. 1 is a kind of intelligent automobile brake assist system theory structure schematic diagram of the present invention；
Fig. 2 is brake servomechanism structural schematic diagram of the present invention.
Specific embodiment
Illustrate the contents of the present invention below in conjunction with specific embodiments.
It as shown in Figure 1 to Figure 2, is a kind of intelligent automobile brake assist system of the present invention, comprising: vacuum accumulator
10, vacuum pressure accumulation control device 30, control solenoid valve 40, brake boost pump 50 and brake servomechanism 60；Vacuum accumulator 10
On be provided with a pressure sensor 11, pressure sensor 11 is connected with the ECU20 of vehicle itself, and for acquiring vacuum accumulator
Negative pressure signal in 10 is simultaneously transferred to ECU20；Vacuum pressure accumulation control device 30 is arranged in vehicle motor and vacuum accumulator 10
Between and connect with ECU20, when the negative pressure in vacuum accumulator 10 is lower than a preset value, by engine to vacuum accumulator
10 air-breathings are to increase the negative pressure in vacuum accumulator 10；The setting of solenoid valve 40 is controlled in vacuum accumulator 10 and brake boost pump 50
Between and connect with ECU20, open for being controlled when engine speed is zero by ECU20 so that in vacuum accumulator 10
Vacuum gas is able to enter brake boost pump 50；Brake servomechanism 50 butts up against on brake boost pump 50, for automobile
Brake system carries out brake assisting effect；
Wherein, the brake servomechanism 60 includes servobrake piece 61, pressing plate 62, screw rod 63, slide bar 64, pushing plate 65
And cylinder 66,66 both ends of cylinder are provided with pushing plate 65, screw rod 63 is installed in 62 both ends of pressing plate, and slide bar 64 is arranged in screw rod 63
On, and pushing plate 65 docks setting with slide bar 64, servobrake piece 61 is arranged on pressing plate 62.
Specifically, first pipe 70, and the first pipe are provided between vacuum accumulator 10 and vacuum pressure accumulation control device 30
A solenoid valve 71 is provided on road 70；It is provided with second pipe 80 between vacuum accumulator 10 and brake boost pump 50, and controls
Solenoid valve 40 is arranged on second pipe 80.
It is further improved ground, as shown in Figure 1, being provided with third between vacuum pressure accumulation control device 30 and brake boost pump 50
Pipeline 90,30 upper and lower ends of vacuum pressure accumulation control device are respectively arranged with the first valve body 31 and the second valve body 32, and the first valve body
31 and second valve body 32 be connected with ECU20.
Further with improvement, it as shown in Fig. 2, being additionally provided with sync buffering mechanism on brake servomechanism 60, synchronizes slow
Punch mechanism includes the synchronous slider 101 being movably arranged on slide bar 64 and the buffering apical pore 102 being arranged on screw rod 63, synchronizes cunning
Connecting rod 103 is provided between 101 one end of block and pushing plate 65,101 other end of synchronous slider is provided with cooperation buffering apical pore 102
The synchronization thimble 104 used.
Concrete operating principle, the present invention realizes storage and release vacuum gas by solenoid valve, ECU, sensor, using machinery
The mode being connected in parallel with car-mounted electronic control device, to realize the parallel control and connection to brake machinery component, pole
The braking ability of automobile is improved greatly, and there is preferable safe application performance, meet actual operation requirements.
The foregoing is a detailed description of the present invention in conjunction with specific embodiments, and it cannot be said that the present invention is specifically real
It applies and is only limitted to these explanations.For those skilled in the art to which the present invention belongs, before not departing from present inventive concept
It puts, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the scope of protection of the invention.
Claims (4)
1. a kind of intelligent automobile brake assist system, it is characterised in that: include: vacuum accumulator (10), vacuum pressure accumulation control dress
Set (30), control solenoid valve (40), brake boost pump (50) and brake servomechanism (60)；
It is provided with a pressure sensor (11) on the vacuum accumulator (10), the pressure sensor (11) and vehicle itself
ECU(20) it is connected, and for acquiring the negative pressure signal in the vacuum accumulator (10) and being transferred to the ECU(20)；
The vacuum pressure accumulation control device (30) be arranged between vehicle motor and the vacuum accumulator (10) and with it is described
ECU(20 it) connects, when the negative pressure in the vacuum accumulator (10) is lower than a preset value, the vacuum is stored by engine
Depressor (10) air-breathing is to increase the negative pressure in the vacuum accumulator (10)；
The control solenoid valve (40) be arranged between the vacuum accumulator (10) and the brake boost pump (50) and with institute
State ECU(20) connection, for when the engine speed is zero by the ECU(20) control and open so that the vacuum store
Vacuum gas in depressor (10) is able to enter the brake boost pump (50)；
The brake servomechanism (60) butts up against on the brake boost pump (50), carries out for the brake system to automobile auxiliary
Help braking action；
The brake servomechanism (60) includes servobrake piece (61), pressing plate (62), screw rod (63), slide bar (64), pushing plate
(65) and cylinder (66), cylinder (66) both ends are provided with the pushing plate (65), and the screw rod (63) is installed in described
Pressing plate (62) both ends, the slide bar (64) are arranged on the screw rod (63), and the pushing plate (65) and the slide bar (64)
Docking setting, the servobrake piece (61) are arranged on the pressing plate (62)；
Sync buffering mechanism is additionally provided on the brake servomechanism (60), the sync buffering mechanism includes being movably arranged on
The buffering apical pore (102) of synchronous slider (101) and setting on the screw rod (63) on the slide bar (64), it is described to synchronize cunning
It is provided between block (101) one end and the pushing plate (65) connecting rod (103), synchronous slider (101) other end setting
There is the synchronization thimble (104) for cooperating buffering apical pore (102) to use.
2. a kind of intelligent automobile brake assist system according to claim 1, it is characterised in that: the vacuum accumulator (10)
It is provided with first pipe (70) between the vacuum pressure accumulation control device (30), and is provided with one in the first pipe (70)
Solenoid valve (71).
3. a kind of intelligent automobile brake assist system according to claim 1, it is characterised in that: the vacuum accumulator (10)
It is provided with second pipe (80) between the brake boost pump (50), and the control solenoid valve (40) is arranged described second
On pipeline (80).
4. a kind of intelligent automobile brake assist system according to claim 1, it is characterised in that: the vacuum pressure accumulation control dress
It sets and is provided with third pipeline (90) between (30) and the brake boost pump (50), the vacuum pressure accumulation control device (30) is up and down
Both ends are respectively arranged with the first valve body (31) and the second valve body (32), and first valve body (31) and second valve body (32)
It is connected with the ECU(20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610999243.XA CN106347336B (en) | 2016-11-14 | 2016-11-14 | A kind of intelligent automobile brake assist system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610999243.XA CN106347336B (en) | 2016-11-14 | 2016-11-14 | A kind of intelligent automobile brake assist system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106347336A CN106347336A (en) | 2017-01-25 |
| CN106347336B true CN106347336B (en) | 2019-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610999243.XA Active CN106347336B (en) | 2016-11-14 | 2016-11-14 | A kind of intelligent automobile brake assist system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106347336B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102806900A (en) * | 2012-08-16 | 2012-12-05 | 安徽江淮汽车股份有限公司 | Vacuum assist brake controller for electric automobile |
| CN102837691A (en) * | 2012-09-28 | 2012-12-26 | 信源电子制品(昆山)有限公司 | Brake system |
| CN202728206U (en) * | 2012-08-16 | 2013-02-13 | 安徽江淮汽车股份有限公司 | Vacuum servo brake controller used in electric automobile |
| CN104760584A (en) * | 2015-03-05 | 2015-07-08 | 重庆电讯职业学院 | Brake assisting safety auxiliary system |
| CN205075831U (en) * | 2015-09-11 | 2016-03-09 | 西安正昌电子股份有限公司 | Novel vapour -pressure type braking commercial vehicle parking braking device |
-
2016
- 2016-11-14 CN CN201610999243.XA patent/CN106347336B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102806900A (en) * | 2012-08-16 | 2012-12-05 | 安徽江淮汽车股份有限公司 | Vacuum assist brake controller for electric automobile |
| CN202728206U (en) * | 2012-08-16 | 2013-02-13 | 安徽江淮汽车股份有限公司 | Vacuum servo brake controller used in electric automobile |
| CN102837691A (en) * | 2012-09-28 | 2012-12-26 | 信源电子制品(昆山)有限公司 | Brake system |
| CN104760584A (en) * | 2015-03-05 | 2015-07-08 | 重庆电讯职业学院 | Brake assisting safety auxiliary system |
| CN205075831U (en) * | 2015-09-11 | 2016-03-09 | 西安正昌电子股份有限公司 | Novel vapour -pressure type braking commercial vehicle parking braking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106347336A (en) | 2017-01-25 |
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Effective date of registration: 20201214 Address after: No.88, Jingwu Road, Quanjiao Economic Development Zone, Chuzhou City, Anhui Province Patentee after: Anhui Xingda Power Technology Co., Ltd Address before: No.8, Guhe Town, Quanjiao County, Chuzhou City, Anhui Province Patentee before: ANHUI GERUIKA NEW ENERGY TECHNOLOGY Co.,Ltd. |