CN103863281B - Slide the Vehicular brake device of controlled hydraulic pressure - Google Patents
Slide the Vehicular brake device of controlled hydraulic pressure Download PDFInfo
- Publication number
- CN103863281B CN103863281B CN201310756998.3A CN201310756998A CN103863281B CN 103863281 B CN103863281 B CN 103863281B CN 201310756998 A CN201310756998 A CN 201310756998A CN 103863281 B CN103863281 B CN 103863281B
- Authority
- CN
- China
- Prior art keywords
- valve
- wheel
- wheel drag
- brake device
- drag
- Prior art date
- 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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Links
- 239000012530 fluid Substances 0.000 description 12
- 230000033228 biological regulation Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
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
- B60T13/12—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 liquid
- B60T13/16—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 liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
- B60T13/161—Systems with master cylinder
- B60T13/165—Master cylinder integrated or hydraulically coupled with booster
- B60T13/166—Part of the system directly actuated by booster pressure
-
- 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
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
In order to simplify the structure of the Vehicular brake device (1) of the controlled hydraulic pressure that slides, the present invention proposes only to connect wheel drag (5) by a wheel valve (4), only connects another wheel drag (7) by choke valve (8).In order to reduce brake pressure, connect hydraulic accumulator (11) by braking dropping valve (10).Described wheel drag (5) is connected directly to hydraulic pump (13) on the pressure side.
Description
Technical field
The present invention relates to the Vehicular brake device of a kind of controlled hydraulic pressure that slides.
Background technology
The Vehicular brake device of controlled hydraulic pressure of sliding is known.It generally has main braking cylinder that is that available muscle is handled or that handle by auxiliary force, by the clutch valve of each brake circuit, one or more brake circuits is connected to main braking cylinder.Wheel drag brakes back-up valve respectively through each, and namely each wheel valve is connected in parallel to the clutch valve of each brake circuit in a hydrodynamic manner.By the braking dropping valve being connected in parallel to each other with hydraulic way, wheel drag is connected to the entrance side of hydraulic pump, and being on the pressure side connected between clutch valve and braking back-up valve of hydraulic pump.Being typically between braking dropping valve and the entrance side of hydraulic pump and arrange hydraulic accumulator, this hydraulic accumulator is for temporarily storing brake fluid when causing the brake pressure in wheel drag to reduce owing to opening braking dropping valve.By inlet valve, the entrance side of hydraulic pump and main braking cylinder are attachable, therefore when main braking cylinder is not manipulated by and Vehicular brake device is not pressurized, it is possible to by brake fluid from main braking cylinder sucking-off to braking increasing apparatus.If being not necessarily intended to so accurate, this hydraulic pump is also frequently referred to as scavenge oil pump.Deutsche Bundespatent disclosure DE19501760A1 is referred to an example of the Vehicular brake device of the controlled hydraulic pressure of this slip.
Summary of the invention
According to the Vehicular brake device of the controlled hydraulic pressure of slip of the present invention, there is clutch valve, and brake circuit is connected to main braking cylinder by this clutch valve.By being referred to as the valve of wheel valve at this, wheel drag is connected to this clutch valve.This clutch valve and wheel valve are connected with hydraulic way and are positioned between this main braking cylinder and a wheel drag, and wherein as described above, this clutch valve is connected to main braking cylinder, and this wheel drag is connected to this wheel valve.Second valve of this wheel drag need not be used for according to the Vehicular brake device of the present invention, namely back-up valve and braking dropping valve are not braked, namely need not realizing the three position valve of wheel braking boosting and wheel braking buck functionality, the contrary Vehicular brake device according to the present invention has the valve being referred to as wheel valve at this for vehicle brake to be sufficient to.
Additionally, have hydraulic pump according to the Vehicular brake device of the present invention, the entrance side of this hydraulic pump is connected between this clutch valve and this wheel valve and is on the pressure side directly connected to this wheel drag at it, say, that, it does not have it is connected the valve of centre.
This invention simplifies the structure of the Vehicular brake device of the controlled hydraulic pressure that slides, because this Vehicular brake device is not necessary for each wheel drag two valves of distribution, but only distribute a wheel valve for each wheel drag.That saves electromagnetic valve another advantage is that hydraulic pressure unit is little, and hydraulic manifold block is less, and manufacturing cost and installation cost are lower.Can being configured to the component with existing hydraulic pressure according to the Vehicular brake device of the present invention, for instance electromagnetic valve and hydraulic pump, it need not improve in the new of these components.
Another wheel drag being connected to same brake circuit is connected with hydraulic accumulator by braking dropping valve.This another wheel drag is equally only assigned a valve.
Owing to the entrance side of this hydraulic pump is connected with main braking cylinder by the clutch valve opened, so not needing inlet valve, thus when the Vehicular brake device not handling main braking cylinder with have hydraulic pump is not stressed, the brake pressure rising of on the pressure side the wheel drag being directly connected this hydraulic pump is possible.
Hereafter there is preferred design and improvement.
The link of the entrance side of this hydraulic pump is connected to hydraulic accumulator by being assigned to the braking dropping valve of another wheel drag, this braking dropping valve is not disposed between this wheel drag and entrance side of this hydraulic pump, and is disposed between this hydraulic accumulator and entrance side of this hydraulic pump.As long as storage has brake fluid in this hydraulic accumulator, so in this wheel drag on the pressure side being connected to this hydraulic pump, except by this clutch valve by main braking cylinder, by open braking dropping valve by hydraulic accumulator utilize this hydraulic pump realize pressure rise also be possible.
Arranging choke valve, this another wheel drag is connected to the brake circuit of Vehicular brake device by this choke valve.Carrying out the period of slidable adjustment in the wheel drag on the pressure side be directly connected between this hydraulic pump, this choke valve improves controllability and the controllability of particularly wheel brake pressure by its throttling action.This choke valve and additional check valve combination can offset the excessive braking of associated vehicle wheel, and this check valve is in parallel with hydraulic way with choke valve and be negotiable from the direction in this another wheel drag direction towards braking compression release valve or the entrance side towards hydraulic pump.
Preferably, the wheel drag on the pressure side being connected directly to this hydraulic pump is front-wheel wheel drag, and another wheel drag is trailing wheel wheel drag.So can realize slidable adjustment on front-wheel.Can pass through to open braking dropping valve reduce the brake pressure on trailing wheel and therefore reduce brake force with stable vehicle.
The present invention is in particular Car design two brake circuit identical, kind described above, has wherein been specifically designed the distribution of so-called X-brake circuit, and it is distributed also referred to as diagonal.Front wheel brake and be connected on a brake circuit with the rear wheel brake being positioned in its diagonal positions, other two wheel drags are connected on another brake circuit.
Accompanying drawing explanation
Hereafter further describe the present invention by means of embodiment shown in the drawings.Unique accompanying drawing is shown that the hydraulic circuit figure of the brake circuit of the Vehicular brake device according to the present invention.
Detailed description of the invention
Accompanying drawing illustrates in two identical brake circuit I, II of the Vehicular brake device 1 of the controlled hydraulic pressure that slides according to the present invention.This Vehicular brake device 1 has double loop-main braking cylinder 2, and this brake circuit I is connected to this double loop-main braking cylinder 2 by clutch valve 3.This clutch valve 3 is the two-position two-way solenoid valve opened on the home position of obstructed electric current.
Wheel drag 5 is connected to this clutch valve 3 by wheel valve 4.This wheel valve 4 is the two-position two-way solenoid valve opened on the home position of obstructed electric current such as clutch valve 3.This wheel valve 4 is in parallel with hydraulic way with check valve 6, and this check valve 6 is negotiable on the direction towards this wheel drag 5.Do not distribute other valve to this wheel drag 5.
Another wheel drag 7 is connected between this clutch valve 3 and wheel valve 4 by choke valve 8.Check valve 9 is in parallel with hydraulic way with this choke valve 8.It is negotiable from wheel drag 7 to this check valve 9.Do not distribute special, controlled valve to another wheel drag 7.
By this choke valve 8 and braking dropping valve 10, hydraulic accumulator 11 is connected to another wheel drag 7.This braking dropping valve 10 is the two-position two-way solenoid valve cut out on the home position of obstructed electric current, and it has an integrated choke valve 12.
In addition with hydraulic pump 13, its entrance side is connected between clutch valve 3 and wheel valve 4 and between this choke valve 8 and braking dropping valve 10.This clutch valve 3, wheel valve 4, choke valve 8 and braking dropping valve 10 are connected with each other at the entrance side of this hydraulic pump 13.Wheel drag 5 on the pressure side directly, with being not inserted into valve it is connected at this hydraulic pump 12.This hydraulic pump 13 is driven by motor 14.
As described above, this Vehicular brake device 1 has the second brake circuit II being shown without in figure, and it is configured to identical with the brake circuit I shown in figure.The hydraulic pump 13 of two brake circuits I, II is driven by motor 14 jointly.The wheel drag 5 on the pressure side being connected directly between this hydraulic pump 13 of two brake circuits I, II is front wheel brake.Another wheel drag 7 connected by choke valve 8 is rear wheel brake.This Vehicular brake device 1 is the diagonal-Double-loop braking device with the distribution of X-brake circuit, that is, the front-wheel wheel drag 5 in left side and the trailing wheel wheel drag 7 on right side are connected on brake circuit I, II, and the front-wheel wheel drag 5 on right side and the trailing wheel wheel drag 7 in left side are connected on another brake circuit II, I.The component of hydraulic pressure, namely electromagnetic valve 3,4,10, check valve 6,9 choke valve 8, hydraulic accumulator 11, hydraulic pump 13 and genemotor 14 broadly fall into a hydraulic pressure unit and be installed in so-called hydraulic manifold block 15 or be arranged on hydraulic manifold block 15 place.This hydraulic manifold block 15 is the square component being such as made up of aluminum, assigns the pocket of the classification of the fixed part of the hydraulic component as Vehicular brake device 1 and this pocket to be connected to each other by boring in it, namely connects with hydraulic way.
The braking of fricton-tight adjustment realizes by handling main braking cylinder 2, and its shown base position stayed by electromagnetic valve 3,4,10, and hydraulic valve 13 is not driven.
On the wheel drag 5 on the pressure side being directly connected to hydraulic pump 13, namely front-wheel wheel drag 5 in the present embodiment can realize slidable adjustment.In order to reduce the wheel brake pressure in this wheel drag 5, this clutch valve 3 is closed, and brakes dropping valve 10 and open, thus brake fluid flows into hydraulic accumulator 11 from this wheel drag 5.Wheel brake pressure in this wheel drag 5 reduces.Same brake fluid flows out from another wheel drag 7, flows into hydraulic accumulator 11 through the dropping valve 10 opened, thus the brake pressure in another wheel drag 7 also reduces.Due to check valve 9, the decline of the wheel brake pressure in trailing wheel wheel drag 7 is not subject to the restriction of choke valve 8.In order to keep brake pressure, except this clutch valve 3, wheel valve 4 and braking dropping valve 10 are also switched off.Subsequently when slidable adjustment by driving hydraulic pump 13 and unlatching braking dropping valve 10 to realize again the rising of pressure, thus this hydraulic pump 13 sucks brake fluid from hydraulic accumulator 11 and is inputted described wheel drag 5.This wheel valve 4 remains turned-off.This hydraulic pump 13 is sucking-off brake fluid from another wheel drag 7 also.
If being directly connected to this wheel drag 5 on the pressure side of hydraulic pump 13, namely the front-wheel wheel drag 5 in this embodiment is assigned to the wheel of driving, that is, in the automobile of front-wheel drive, it is possible to use realize Anti-slip regulation according to the Vehicular brake device 1 of the present invention and regulate (Antriebsschlupfregelung).If a11wheel drive, Anti-slip regulation regulates and is only implemented on front vehicle wheel.Regulate to realize Anti-slip regulation, this clutch valve 3 is held open, and wheel valve 4 is closed and hydraulic pump 13 is driven, thus this hydraulic pump sucking-off brake fluid be transported to the wheel drag 5 being connected with hydraulic pump of powered wheel from main braking cylinder 2.Powered wheel is checked therewith.By opening wheel valve 4, the rising of the pressure in wheel drag 5 is restricted or pressure reduces, thus the slidable adjustment realizing wheel is possible.
As described above, when carrying out ANTI LOCK control on front-wheel, the wheel brake pressure in the brake 7 of another trailing wheel reduces, and its brake force reduces, thus reducing sideslip tendency and raising riding stability.This check valve 9 can reduce wheel brake pressure rapidly at this choke valve 8 place, thus avoiding rear service brake excessive.
By braking front vehicle wheel, to realize anti-sliding control be possible, and this is realized by sucking-off from main braking cylinder 2 and in being transported to the wheel drag 5 of front vehicle wheel by means of hydraulic pump 13 by the brake fluid when clutch valve 3 is opened and wheel valve 4 is closed.As long as handling main braking cylinder 2 when tendency occurs sliding in vehicle, clutch valve 3 will be closed for realizing anti-sliding control and open this braking dropping valve 10, thus this brake pump 13 is by brake fluid sucking-off from this hydraulic accumulator 11, rather than from main braking cylinder 2, and brake fluid is delivered to wheel drag 5.Due to this hydraulic pump 13 simultaneously also by brake fluid sucking-off from another wheel drag 7, then within it brake pressure reduces as described above, therefore the brake force of trailing wheel reduces, thus offsetting the excessive braking of rear wheel, reducing slides rolls and improve the riding stability of vehicle.
Claims (8)
- null1. the Vehicular brake device of the hydraulic pressure that slip is controlled，Described Vehicular brake device has main braking cylinder (2)，By clutch valve (3) brake circuit I、II is connected to described main braking cylinder，Described Vehicular brake device has the first wheel drag (5)，Described first wheel drag (5) is connected to described clutch valve (3) by wheel valve (4)，Described Vehicular brake device has hydraulic pump (13) and the second wheel drag (7)，Described second wheel drag (7) is connected with hydraulic accumulator (11) by braking dropping valve (10)，It is characterized in that，The entrance side of described hydraulic pump (13) is connected between described clutch valve (3) and described wheel valve (4) and described first wheel drag (5) is connected directly between described hydraulic pump (13) on the pressure side，In described first wheel drag (5) and described second wheel drag (7) only described first wheel drag (5) be hydraulically connected to described hydraulic pump (13) described on the pressure side，And described second wheel drag (7) is connected to the brake circuit I between described clutch valve (3) and described wheel valve (4).
- 2. Vehicular brake device according to claim 1, it is characterised in that the entrance side of described hydraulic pump (13) is connected to described hydraulic accumulator (11) by described braking dropping valve (10).
- 3. Vehicular brake device according to claim 1, it is characterized in that, described second wheel drag (7) is connected to by choke valve (8) between the wheel valve (4) of described clutch valve (3) and described first wheel drag (5).
- 4. Vehicular brake device according to claim 3, it is characterized in that, check valve (9) is in parallel with hydraulic way with described choke valve (8), and described check valve (9) is being negotiable from described second wheel drag (7) on the entrance side direction of described braking dropping valve (10) or described hydraulic pump (13).
- 5. Vehicular brake device according to claim 1, it is characterised in that choke valve (8) is connected between described braking dropping valve (10) and described second wheel drag (7).
- 6. Vehicular brake device according to claim 1, it is characterised in that described first wheel drag (5) is front-wheel wheel drag, described second wheel drag (7) is trailing wheel wheel drag.
- 7. Vehicular brake device according to claim 1, it is characterised in that described Vehicular brake device (1) has two identical brake circuits I, II.
- 8. Vehicular brake device according to claim 7, it is characterised in that described Vehicular brake device (1) has the distribution of X-brake circuit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210223091 DE102012223091A1 (en) | 2012-12-13 | 2012-12-13 | Slip-controlled hydraulic vehicle brake assembly for motor vehicle, has hydraulic pump including suction side connected between separation valve and wheel valve, and wheel brake, which is directly connected to pressure side of pump |
| DE102012223091.2 | 2012-12-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103863281A CN103863281A (en) | 2014-06-18 |
| CN103863281B true CN103863281B (en) | 2016-07-06 |
Family
ID=50821333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310756998.3A Active CN103863281B (en) | 2012-12-13 | 2013-12-11 | Slide the Vehicular brake device of controlled hydraulic pressure |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103863281B (en) |
| DE (1) | DE102012223091A1 (en) |
| RU (1) | RU2648495C2 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5288142A (en) * | 1990-01-13 | 1994-02-22 | Alfred Teves Gmbh | Hydraulic brake system including slip control |
| DE19518627A1 (en) * | 1995-05-20 | 1996-11-21 | Teves Gmbh Alfred | Hydraulic motor vehicle brake system with brake slip control |
| JPH10230836A (en) * | 1997-02-21 | 1998-09-02 | Unisia Jecs Corp | Brake device |
| US5882089A (en) * | 1995-07-10 | 1999-03-16 | Toyota Jidosha Kabushiki Kaisha | Hydraulic brake system for controlling fluid flow to a wheel cylinder |
| CN1244162A (en) * | 1996-12-23 | 2000-02-09 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Method for bubble-free filling of brake fluid into a hydraulic motor vehicle braking system |
| US6113197A (en) * | 1996-11-18 | 2000-09-05 | Unisia Jecs Corporation | Wheel braking system |
| US6415897B1 (en) * | 1998-12-25 | 2002-07-09 | Honda Giken Kogyo Kabushiki Kaisha | Brake fluid pressure retaining unit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19501760B4 (en) | 1995-01-21 | 2005-11-03 | Robert Bosch Gmbh | Method and device for controlling an ABS / ASR system |
| JPH10509935A (en) * | 1995-09-29 | 1998-09-29 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Hydraulic vehicle brake device with anti-lock device |
| JP3706709B2 (en) * | 1997-02-20 | 2005-10-19 | 株式会社日立製作所 | Braking device |
-
2012
- 2012-12-13 DE DE201210223091 patent/DE102012223091A1/en active Pending
-
2013
- 2013-12-11 CN CN201310756998.3A patent/CN103863281B/en active Active
- 2013-12-12 RU RU2013155220A patent/RU2648495C2/en not_active IP Right Cessation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5288142A (en) * | 1990-01-13 | 1994-02-22 | Alfred Teves Gmbh | Hydraulic brake system including slip control |
| DE19518627A1 (en) * | 1995-05-20 | 1996-11-21 | Teves Gmbh Alfred | Hydraulic motor vehicle brake system with brake slip control |
| US5882089A (en) * | 1995-07-10 | 1999-03-16 | Toyota Jidosha Kabushiki Kaisha | Hydraulic brake system for controlling fluid flow to a wheel cylinder |
| US6113197A (en) * | 1996-11-18 | 2000-09-05 | Unisia Jecs Corporation | Wheel braking system |
| CN1244162A (en) * | 1996-12-23 | 2000-02-09 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Method for bubble-free filling of brake fluid into a hydraulic motor vehicle braking system |
| JPH10230836A (en) * | 1997-02-21 | 1998-09-02 | Unisia Jecs Corp | Brake device |
| US6415897B1 (en) * | 1998-12-25 | 2002-07-09 | Honda Giken Kogyo Kabushiki Kaisha | Brake fluid pressure retaining unit |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2013155220A (en) | 2017-01-10 |
| RU2648495C2 (en) | 2018-03-26 |
| CN103863281A (en) | 2014-06-18 |
| DE102012223091A1 (en) | 2014-06-18 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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