CN100413738C - Method for controlling a brake supporting device of hydraulic braking equipment for automobile - Google Patents
Method for controlling a brake supporting device of hydraulic braking equipment for automobile Download PDFInfo
- Publication number
- CN100413738C CN100413738C CNB2004100600064A CN200410060006A CN100413738C CN 100413738 C CN100413738 C CN 100413738C CN B2004100600064 A CNB2004100600064 A CN B2004100600064A CN 200410060006 A CN200410060006 A CN 200410060006A CN 100413738 C CN100413738 C CN 100413738C
- Authority
- CN
- China
- Prior art keywords
- brake
- pressure
- automobile
- car side
- stop device
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000011017 operating method Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 5
- 239000007799 cork Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/48—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition connecting the brake actuator to an alternative or additional source of fluid pressure, e.g. traction control systems
- B60T8/4809—Traction control, stability control, using both the wheel brakes and other automatic braking systems
- B60T8/4827—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems
- B60T8/4863—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems closed systems
- B60T8/4872—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems closed systems pump-back 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/08—Brake cylinders other than ultimate actuators
- B60T17/16—Locking of brake cylinders
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
Abstract
The invention relates to a method for operating a hydraulic automobile braking equipment with a power-assisted automobile braking device. The invention is characterized in that for the purpose of power-assisted operation of the automobile braking device, a change valve (18) is closed and a main brake cylinder (12) is detached from other parts of the automobile braking equipment (10) through hydraulic pressure; and then under the necessary condition, a hydraulic pump (26) is used for applying a pressure required by the automobile brake function. The operating method has an advantage that the main brake cylinder (12) can be manually operated during the power-assisted operation of the automobile braking device.
Description
Technical field
The present invention relates to a kind of method of power-assisted stop device of operating hydraulically operated automobile brake equipment.
Background technology
Car is equipped with the hydraulic pressure pedal operated brake by standard at present, and this pedal operated brake is handled by means of the main brake cylinder of a stretcher manipulation by manpower.Usually have a low pressure brake booster, and one to utilize the braking force multiplying arrangement of the electro-hydraulic of an electric motor driven Hydraulic Pump be known.The pedal operated brake of hydraulic pressure has one and is used for anti-lock and regulates, quicken anti-the sideslip and regulate and/or the operation dynam is regulated (ABS in many cases, ASR, FDR) the electrically operated Hydraulic Pump that is also referred to as dump pump, utilize this Hydraulic Pump in order to improve or reduce the wheel brake pressure in the car side brake, braking liquid can deliver into or flow out car side brake.Next reduction ground is only discussed about anti-lock and is regulated.Each car side brake or a car side brake winding are set up valve and a front or the back that brake-pressure reduces valve at a brake-pressure for this reason.This automobile brake equipment is known for the professional in different schemes, therefore no longer further explains here.
EP 0 995 659 A1 disclose the automobile brake equipment of the power-assisted stop device (parking brake) of a kind of pedal operated brake that has hydraulic pressure and a same hydraulic pressure.In order to form stop device, the car side brake of automobile brake equipment has steerable, the releasable catch gear of hydraulic pressure (Feststelleinrichtung) (locking mechanism).By this mechanism, car side brake can mechanically be latched in the operation state.The braking force of a foundation also maintains pressure-less state thus.This locking can be hydraulically, electric mechanical ground or connect with other mode.In order to untie catch gear and to unclamp stop device, what may need is to handle pedal operated brake so that unclamp the mechanical grip of catch gear, and can unclamp or unclamp like a cork catch gear.
DE 195 02 927 A1 disclose a car side brake that has the catch gear of the machinery that hydraulically can connect.
Summary of the invention
The method according to this invention also is suitable for for unclamping stop device, and therefore handling stop device also should be understood that to unclamp stop device.
For this reason, be used for handling method at a stop device of an automobile brake equipment, wherein, this automobile brake equipment comprises that the pedal operated brake that can be handled by a main brake cylinder and one can boosted stop devices, assisteding control by a common Hydraulic Pump in the brake-pressure regulation in this pedal operated brake and this stop device realizes, wherein, in order when handling pedal operated brake, to handle described stop device, one of automobile brake equipment is had a part that has the car side brake of a catch gear separate with described main brake cylinder, and use a pressure of setting up by the main brake cylinder of described manipulation pedal operated brake to be used to assisted control described stop device by modulated pressure ground to valve.
The method according to this invention is predetermined: handling under the pedal operated brake situation, when stop device should be handled, the pressure that utilizes the pedal operated brake of the automobile brake equipment by handling a hydraulic pressure to set up was handled the stop device of automobile brake equipment.For this reason according to the present invention, part with automobile brake equipment of a car side brake that has a catch gear is hydraulically separated with the other parts of automobile brake equipment, to such an extent as to keep one be used to handle stop device, by handling the wheel brake pressure that pedal operated brake is set up.The described of the hydraulic pressure of this part of automobile brake equipment separately realized by the change-over valve of closing between the other parts that are arranged in a human control or boosted main brake cylinder and automobile brake equipment.
As long as the wheel brake pressure of setting up with pedal operated brake enough is used for parking brake function, car side brake will be locked (locking) at operation state by catch gear so, locking state just is even also keep the braking force that is obtained like this under stress-free situation.If the wheel brake pressure of setting up with pedal operated brake is not enough to be used for parking brake function, the wheel brake pressure that has the car side brake of catch gear so is enhanced by Hydraulic Pump, then with catch gear with the car side brake locking.
Advantage of the present invention is, utilizes a pressure of setting up by pedal operated brake to come power-assisted ground to handle stop device, when this insufficient pressure when being used for parking brake function, described pressure need only improve by Hydraulic Pump.The time that pressure is set up in the assisteding control of stop device also so obtains shortening.This correspondingly be applicable to when for unclamp or when opening the catch gear of stop device or car side brake at the built-in vertical lathe wheel of car side brake brake-pressure, so that mechanically make car side brake, also particularly catch gear unloading, and can therefore unclamp catch gear like a cork.
Even with stopping brake car side brake rated pressure, for example on uphill road and downhill path, also can guarantee to make the pressure of the automobile parking that stops to be defined as for the necessary wheel brake pressure of parking brake function.
Automobile brake environment division by having the car side brake that has catch gear separates with the other parts of automobile brake equipment, even but the main brake cylinder of a human control also automatically separate with Hydraulic Pump.Avoided like this when the manipulation of power-assisted stop device on the brake pedal or the counteraction on the common operating control at pedal operated brake.The advantage that this had is, and is imperceptible because the vibration in the brake pedal of trampling with the Hydraulic Pump pulsation ground conveying braking liquid that is typically designed to plunger pump.Similarly brake pedal not a braking underfooting emaciated face from.The vibration of above-mentioned influence, particularly brake pedal not only occurs when tightening up the power-assisted stop device but also when unclamping the power-assisted stop device.
Description of drawings
By means of accompanying drawing the present invention is described in detail below.Wherein:
Fig. 1 has shown the hydraulic circuit figure of an automobile brake equipment, and this automobile brake equipment is suitable for implementing the method according to this invention.
The specific embodiment
There is shown an automobile brake equipment 10, on main brake cylinder, connect two separate brake circuit I, II, wherein only shown brake circuit I in the drawings with hydraulic pressure of a double loop main brake cylinder 12.An other brake circuit II correspondingly arranges in the same way as shown and next described brake circuit I and works.
Main brake oil circuit 14 with branch is directed to two car side brakes 15,16 that are connected on the described brake circuit I from main brake cylinder 12, one of them car side brake 16 has a catch gear 17, car side brake 16 can be locked in the steerable position by this catch gear, but that is to say it is mechanical latching.Like this automobile brake equipment 10 have one can hydraulic operated power-assisted stop device.Be connected to a front-wheel and the opposed trailing wheel in diagonal line ground that a car side brake 15,16 on the brake circuit I is assigned to an automobile, and the car side brake 15,16 of another brake circuit II is assigned to two other automotive wheel.Shown and illustrated automobile brake equipment also has so-called X type-brake circuit and distributes.
In the common ground of a main brake oil circuit 14, be provided with a change-over valve of in its initial position, opening 18.Be provided with two access valves of opening in its initial position 20,21 in addition in the component of main brake oil circuit 14, this access valve is connected on the front of a car side brake 15,16 respectively.From car side brake 15,16 oil return circuit 22 of a merging is directed to a suction side that is also referred to as the Hydraulic Pump 26 of dump pump, on this oil return circuit, is provided with an outlet valve of in its initial position, closing 24,25 in described two car side brakes 15,16 each.On oil return circuit 22, be connected with a hydraulic accumulator 28.
On the pressure side being connected on the main brake oil circuit 14 of Hydraulic Pump 26 through a dampening chamber 30 and the flow regulating valve 32 between change-over valve 18 and access valve 20,21.
Through a draw line 34, the suction side of Hydraulic Pump 26 is connected on the braking liquid container 37, is provided with a suction valve of closing in its initial position 36 in this draw line, and described liquid container is installed on the main brake cylinder 12.
It is possible using the known mode of described automobile brake equipment utilization to carry out foot brake.Also can carry out in a known manner anti-lock regulate, quicken anti-break away regulate and/or the operation dynam regulate (ABS, ASR, FDR).Next reduction ground is only discussed about anti-lock and is regulated.For this reason, the wheel brake pressure in car side brake 15,16 is regulated (adjustment) by periodically controlling access valve 20,21 and outlet valve 24,25 for each wheel by means of electronic controller 40, and wherein Hydraulic Pump 26 is in running state.Close change-over valve 18 in order to carry out anti-lock to regulate, main brake cylinder 12 hydraulically separates from the other parts of automobile brake equipment 10 like this.For quicken anti-break away regulate and/or the operation dynam regulate in build-up pressure apace, suction valve 36 is opened, brakes liquid to such an extent as to Hydraulic Pump 26 is directly drawn from braking liquid container 37.
In order to assisted control, for example handle stopping brake button 46 for the stop device of automobile brake equipment 10.Electronic controller 40 cuts out change-over valve 18 and therefore main brake cylinder 12 is hydraulically separated from the other parts of automobile brake equipment 10.The access valve 20 that does not have the car side brake 15 of catch gear cuts out, and the access valve 21 with car side brake 16 of a catch gear 17 is held open.Wheel brake pressure in having 17 car side brake 16 of catch gear is measured by a pressure sensor 48, if wheel brake pressure is enough for parking brake function, handle catch gear 17 so and car side brake 16 thus fixing (locking) at operation state.Therefore the brake-pressure of being set up is also kept when car side brake 16 no pressure.If the wheel brake pressure deficiency, suction valve 36 and/or do not have an outlet valve 24 of the car side brake 15 of catch gear to open so, and pump is connected with motor 38.Hydraulic Pump 26 will and/or not have the access valve 21 of braking liquid through opening that the car side brake 15 of catch gear flows out from braking liquid container 37 and will deliver into the car side brake 16 with catch gear 17.If reached a wheel brake pressure that is enough to be used in parking brake function, utilize catch gear 17 to make car side brake 16 lockings so.When Hydraulic Pump 26 stops and aneroid when stream, when just electromagnetic valve 18,20,21,24,25,36 returns to their initial position, keep the braking force of being set up.
A stopping brake wheel braking rated pressure is defined as the wheel brake pressure that is enough to be used in parking brake function.
In order to unclamp catch gear 17 and therefore to unclamp stop device, the car side brake 16 with catch gear 17 is as being provided with pressure when handling stopping brake, so that mechanically release and can unclamp catch gear 17 like a cork.For the foundation of this wheel brake pressure also can utilize the pressure that may be set up by human control main brake cylinder 12 in above-mentioned mode.
Claims (3)
1. be used for handling method at a stop device of an automobile brake equipment, wherein, this automobile brake equipment comprises that the pedal operated brake that can be handled by a main brake cylinder (12) and one can boosted stop devices, assisteding control by a common Hydraulic Pump in the brake-pressure regulation in this pedal operated brake and this stop device realizes, it is characterized in that, in order when handling pedal operated brake, to handle described stop device, one of automobile brake equipment (10) is had a part that has the car side brake (16) of a catch gear (17) separate with described main brake cylinder (12), and the pressure that uses a main brake cylinder by described manipulation pedal operated brake (12) to set up is used to assisted control described stop device by modulated pressure ground to valve (18).
2. by the described method of claim 1, it is characterized in that described pressure utilizes Hydraulic Pump (26) to improve.
3. by the described method of claim 1, it is characterized in that, when reaching a stopping brake rated pressure in the car side brake with catch gear (17) (16), utilize catch gear (17) to make car side brake (16) locking under operation state.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10327566.5 | 2003-06-18 | ||
| DE2003127566 DE10327566B4 (en) | 2003-06-18 | 2003-06-18 | Method for actuating a foreign-force parking brake system of a hydraulic vehicle brake system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1572614A CN1572614A (en) | 2005-02-02 |
| CN100413738C true CN100413738C (en) | 2008-08-27 |
Family
ID=33482950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100600064A Expired - Fee Related CN100413738C (en) | 2003-06-18 | 2004-06-18 | Method for controlling a brake supporting device of hydraulic braking equipment for automobile |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN100413738C (en) |
| DE (1) | DE10327566B4 (en) |
| FR (1) | FR2856449B1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006042930A1 (en) * | 2005-12-21 | 2007-11-22 | Continental Teves Ag & Co. Ohg | Method for operating a hydraulic brake system for motor vehicles |
| KR102383338B1 (en) * | 2016-12-07 | 2022-04-05 | 현대자동차주식회사 | System for controlling auto vehicle hold |
| CN111923880B (en) * | 2018-05-06 | 2021-11-26 | 张梅花 | Braking device of vehicle capable of automatically braking and working method thereof |
| CN109435924A (en) * | 2018-11-16 | 2019-03-08 | 东北林业大学 | Vehicle braking anti-lock braking system and braking method with hydraulic regulation |
| DE102021205969B3 (en) | 2021-06-11 | 2022-07-07 | Volkswagen Aktiengesellschaft | Method, device and computer program product for the restrained movement of a vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061752A (en) * | 1991-12-28 | 1992-06-10 | 胜利石油管理局胜利采油厂 | Automobile emergency braking safety device |
| US5954162A (en) * | 1995-01-31 | 1999-09-21 | Itt Manufacturing Enterprises Inc. | Combined service and parking brake |
| CN1316358A (en) * | 2000-04-04 | 2001-10-10 | 黄晓然 | Emergency brake of car |
| US6305511B1 (en) * | 1998-10-24 | 2001-10-23 | Meritor Heavy Vehicle Systems, Llc | Parking braking in vehicles having conventional braking systems |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3732303A1 (en) * | 1987-09-25 | 1989-04-13 | Teves Gmbh Alfred | Hydraulic brake-actuating system |
| DE19502297A1 (en) | 1995-01-26 | 1996-08-01 | Otmar Fahrion | Girder for use in lattice truss |
| DE19516639A1 (en) * | 1995-05-05 | 1996-11-07 | Bayerische Motoren Werke Ag | Motor vehicle with a service and a parking brake system |
| DE19620344A1 (en) * | 1996-02-09 | 1997-08-14 | Teves Gmbh Alfred | Combined service and parking brake system |
| DE10148480A1 (en) * | 2001-10-01 | 2003-04-17 | Knorr Bremse Systeme | Parking brake device and method for actuating the parking brake |
| JP2003182404A (en) * | 2001-12-17 | 2003-07-03 | Aisin Seiki Co Ltd | Slope stop control device for electric vehicle |
-
2003
- 2003-06-18 DE DE2003127566 patent/DE10327566B4/en not_active Expired - Fee Related
-
2004
- 2004-06-17 FR FR0406568A patent/FR2856449B1/en not_active Expired - Fee Related
- 2004-06-18 CN CNB2004100600064A patent/CN100413738C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061752A (en) * | 1991-12-28 | 1992-06-10 | 胜利石油管理局胜利采油厂 | Automobile emergency braking safety device |
| US5954162A (en) * | 1995-01-31 | 1999-09-21 | Itt Manufacturing Enterprises Inc. | Combined service and parking brake |
| US6305511B1 (en) * | 1998-10-24 | 2001-10-23 | Meritor Heavy Vehicle Systems, Llc | Parking braking in vehicles having conventional braking systems |
| CN1316358A (en) * | 2000-04-04 | 2001-10-10 | 黄晓然 | Emergency brake of car |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2856449B1 (en) | 2009-05-08 |
| DE10327566A1 (en) | 2005-01-05 |
| FR2856449A1 (en) | 2004-12-24 |
| DE10327566B4 (en) | 2014-02-06 |
| CN1572614A (en) | 2005-02-02 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20200618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |