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WO2012161311A1 - Dispositif de commande de la pression du fluide de freinage et dispositif de frein utilisant ce dispositif - Google Patents

Dispositif de commande de la pression du fluide de freinage et dispositif de frein utilisant ce dispositif Download PDF

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Publication number
WO2012161311A1
WO2012161311A1 PCT/JP2012/063482 JP2012063482W WO2012161311A1 WO 2012161311 A1 WO2012161311 A1 WO 2012161311A1 JP 2012063482 W JP2012063482 W JP 2012063482W WO 2012161311 A1 WO2012161311 A1 WO 2012161311A1
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WO
WIPO (PCT)
Prior art keywords
fluid pressure
brake
brake fluid
control device
pressure
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.)
Ceased
Application number
PCT/JP2012/063482
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English (en)
Japanese (ja)
Inventor
大竹　毅
明徳 奥谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advics Co Ltd
Original Assignee
Advics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Advics Co Ltd filed Critical Advics Co Ltd
Publication of WO2012161311A1 publication Critical patent/WO2012161311A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • B60T8/42—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 having expanding chambers for controlling pressure, i.e. closed systems
    • B60T8/4275—Pump-back systems
    • 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
    • B60T17/02—Arrangements of pumps or compressors, or control devices therefor
    • 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
    • B60T8/321—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 deceleration
    • B60T8/3225—Systems specially adapted for single-track vehicles, e.g. motorcycles
    • 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
    • B60T8/40—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 comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B60T8/4031—Pump units characterised by their construction or mounting

Definitions

  • the present invention relates to a brake fluid pressure control device equipped with an antilock control function mounted on a two-wheeled motor vehicle or a three-wheeled motor vehicle, and a brake device using the same.
  • the brake fluid pressure control device disclosed in Patent Document 1 performs control of the brake fluid pressure for only one wheel, and the brake discharged from the wheel cylinder at the time of pressure reduction control inside the pump housing.
  • a reservoir for taking in fluid is provided, which serves as a source of brake fluid for a powered pump built into the pump housing.
  • the brake fluid pressure control device disclosed in Patent Document 2 performs control of the brake fluid pressure for two wheels in front and rear, and pumps up the brake fluid discharged from the wheel cylinder directly by a pump .
  • This device has a reservoir in the master cylinder but no reservoir in the pump housing and is therefore referred to as a reservoirless type.
  • Patent Document 1 Japanese Patent Application Publication No. 2001-301597
  • the brake fluid pressure control device of Patent Document 1 targets fluid pressure control for only one wheel, component parts such as a solenoid valve as compared with a brake fluid pressure control device for which the front and rear wheels are subjected to fluid pressure control Can be specified, and miniaturization and cost reduction can be prescribed.
  • the reservoir provided inside the pump housing is an obstacle to the reduction in size of the pump housing, and there is a problem that the miniaturization of the device is limited.
  • the brake fluid pressure control device of Patent Document 2 is a reservoirless type, it is difficult to be restricted in miniaturization, but a piston pump generally adopted for ABS (anti-lock brake system) is a suction pump. Because the stroke of the discharge is repeated, it is not always possible to continuously pump up the brake fluid.
  • the present invention is responsive to the pressure reduction of the brake fluid pressure control device while taking advantage of the downsizing and cost advantageous brake fluid pressure control device that controls the fluid pressure of only one of the front wheel system and the rear wheel system. It is an issue to improve the quality.
  • a brake hydraulic pressure control device is incorporated in a hydraulic pressure path between a master cylinder and a wheel cylinder operated by receiving a brake hydraulic pressure supplied from the master cylinder.
  • a single pressure increasing solenoid valve, a return path in parallel with the pressure increase solenoid valve and connected to the fluid pressure path, a single pressure reducing solenoid valve inserted in the return path, and the return path A plurality of pumps incorporated in the middle of the pump to directly pump up the brake fluid discharged from the wheel cylinder via the pressure reducing solenoid valve and return it between the master cylinder of the hydraulic pressure path and the pressure reducing solenoid valve;
  • the control command is issued to the pressure reducing solenoid valve and the pressure increasing solenoid valve by judging the necessity of pressure reduction and repressurization of the wheel cylinder and a single motor which drives each pump at once.
  • the present invention provides a brake fluid pressure control device in which the plurality of pumps are incorporated in parallel in the return path with different phases (intake and discharge phases) of the operating stroke.
  • the brake fluid pressure control device is used to control the brake fluid pressure of the front wheel system or the rear wheel system of a two-wheeled motor vehicle or a three-wheeled motor vehicle.
  • the brake fluid pressure control device may use a gear pump in which suction and discharge proceed simultaneously as the pump, but one using a piston pump that alternately repeats a suction stroke and a discharge stroke The effectiveness is particularly pronounced.
  • the piston pump is preferably arranged radially around a piston drive cam rotated by the motor.
  • the cam for driving the piston is preferably a circular eccentric cam having a drive shaft at a position eccentric from the center.
  • one of the front wheel system and the rear wheel system is provided with the brake fluid pressure control device, and the other brake system does not control the fluid pressure generated by the master cylinder.
  • a brake device for a two-wheeled motor vehicle or a three-wheeled motor vehicle equipped with a general hydraulic brake device or mechanical brake device for supplying a wheel cylinder.
  • the brake fluid pressure control device of the present invention since the brake fluid discharged from the wheel cylinder is directly pumped up and returned to the fluid pressure path between the master cylinder and the wheel cylinder, the reservoir for temporarily taking in the discharged brake fluid is pumped There is no need to provide it in the housing. For this reason, the device can be miniaturized.
  • a circular eccentric cam having a drive shaft at a position where the cam for driving the piston is eccentric from the center is used, and the number of piston pumps is n, and the n piston pumps are arranged at circumferential equal points
  • the phase shift of the operating stroke of each pump is n / 360 °. This creates a state in which at least one of the pumps is in an intake position and at least one other is in a discharge position, allowing for rapid depressurization and rapid repressurization.
  • the brake system shown in FIG. 1 is for a two-wheeled motor vehicle, and the front wheel system brake system FB and the rear wheel system brake system RB are independent, and the brake fluid pressure control of the present invention is performed on the front wheel system brake system FB.
  • the device 1 is provided.
  • the brake fluid pressure control device 1 operates the brake lever 2 to operate the brake cylinder 2 to generate the brake fluid pressure, and receives the brake fluid pressure supplied from the master cylinder 3 to operate the brake piston etc. It is disposed between the wheel cylinder 4 and the wheel cylinder 4.
  • the master cylinder 3 is accompanied by a reservoir 5 for supplying brake fluid.
  • a pressure sensor for detecting the pressure of the wheel cylinder 4 may be provided in the brake fluid pressure control device in order to improve the brake control function. In that case, the pressure sensor may be incorporated inside the pump housing 21 in view of the simplification of the device.
  • Master cylinder 3 has a single output port, and the output port is connected to wheel cylinder 4 via hydraulic pressure passage 6, and a single pressure-boosting solenoid valve 7 is provided in the middle of hydraulic pressure passage 6. Each has been incorporated.
  • the return path 8 is connected in parallel with the pressure-increasing solenoid valve 7 and connected to the hydraulic path 6. Then, a single pressure reducing solenoid valve 9 is incorporated in the reflux passage 8, and further, the end of the reflux passage 8 (more upstream than the pressure increasing solenoid valve 7 on the upstream side than the master cylinder 3) than the pressure reducing solenoid valve 9. A plurality of pumps 10 are incorporated on the side where the confluence point C with a certain hydraulic pressure path 6 is considered as the end).
  • each pump As the plurality of pumps 10, those having different operating stroke phases are incorporated in parallel arrangement.
  • the motor 11 is one, and the single motor drives the pumps 10 collectively.
  • the operating stroke of each pump is 180 degrees out of phase in the illustrated apparatus in which the number of installed pumps is two.
  • the brake fluid discharged from the wheel cylinder 4 is directly pumped up by each pump 10, so there is no reservoir for temporarily storing the fluid discharged from the wheel cylinder 4.
  • the electronic control unit 12 determines the necessity of pressure reduction and repressurization of the wheel cylinder 4 based on information input from a pressure sensor, a wheel speed sensor (not shown) or the like, and increases the pressure reduction electromagnetic valve 9 and the like.
  • a control command is issued to the pressure solenoid valve 7. It is the same as a conventional brake fluid pressure control device having an ABS function.
  • the pump 10 is preferably a piston pump.
  • An example in which two piston pumps are provided in the reflux path 8 is shown in FIG.
  • two stepped bores 10 a are provided facing each other with the cam chamber 22 interposed therebetween.
  • a piston 10b is incorporated in each stepped inner hole 10a, and a piston return spring 10c for returning the piston is formed with a cylinder hole 27a. It is incorporated between the cylinder member 27 and the cylinder member 27. Further, a suction valve 10e and a discharge valve 10f are provided on the upstream side and the downstream side of the pump chamber 10d in correspondence with the respective pistons 10b, and two pumps 10, 10 are configured.
  • suction valve 10e is a retainer fixed to each piston 10b, and a suction valve 10e is provided between the retainer 10g and the piston 10b, and further, between a cap 28 fluid-tightly attached to the pump housing 21 and the cylinder member 27
  • the discharge valve 10f is provided on the Although both the suction valve 10e and the discharge valve 10f have shown the well-known valve which consists of a valve body and the spring which biases it in the valve closing direction, it is not limited to this.
  • the two suction ports 23 merge into one and are connected to the discharge port of the pressure reducing solenoid valve 9.
  • the two outlets 24 are joined into one and connected to the inlet port of the pressure-increasing solenoid valve 7.
  • a circular eccentric cam 26 having a drive shaft (which is an output shaft of the motor 11 or a rotational shaft connected to the output shaft) eccentrically integrated from the center is incorporated.
  • the cam surfaces of the outer periphery of the cam 26 push the pistons 10b of the two pumps alternately.
  • the two pumps 10, 10 are 180 ° out of phase with one another so that one of the pumps is always in the suction position and the other pump is always in the discharge position.
  • the wheel cylinder pressure is reduced rapidly in response to the pressure reduction command, even without a reservoir for taking in the discharge fluid from the wheel cylinder. It is possible to secure the reliability of antilock control.
  • the device can be miniaturized.
  • the pump housing can be miniaturized in the vertical direction of FIG.
  • the rear-wheel brake system RB shown in FIG. 1 operates a brake lever 13 to operate the master cylinder 14 for generating a brake fluid pressure, and receives a brake fluid pressure supplied from the master cylinder 14 to produce a brake piston or the like. It is a general hydraulic brake device without a hydraulic pressure control function which is constituted by a wheel cylinder 15 for operating the motor. A reservoir 16 is attached to the master cylinder 14. It is also conceivable to replace mechanical brake devices in this system.
  • the brake fluid pressure control device of the present invention can be used not only for two-wheeled vehicles but also for three-wheeled vehicles.
  • the downstream side of the hydraulic pressure path 6 is branched into two and each branched path is connected to the wheel cylinder.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Regulating Braking Force (AREA)

Abstract

La présente invention porte sur la commande de la pression de freinage. L'invention vise à résoudre le problème suivant : tout en bénéficiant des avantages d'un dispositif de commande de la pression du fluide de freinage qui commande la pression du fluide d'un seul des systèmes de roues avant et de roues arrière, et est avantageux sous le rapport de la réduction des dimensions et du coût, améliorer la caractéristique de réponse de la décompression du dispositif de commande de la pression de fluide de freinage. Le dispositif de commande de la pression de fluide de freinage comporte, entre un maître-cylindre (3) et un cylindre de roue (4), une électrovalve d'accroissement de la pression (7), un trajet de flux de retour (8) branché en parallèle avec l'électrovalve d'accroissement de la pression et relié à un trajet de pression de fluide (6), une électrovalve de diminution de la pression (9), une pluralité de pompes (10) servant à refouler directement le fluide de freinage déchargé du cylindre de roue (4) et à renvoyer le fluide de freinage pompé au trajet de pression de fluide (6). Un moteur (11) servant à entraîner les pompes une à une, et un dispositif de commande électronique (12). Les pompes (10), dont les phases de traitement de l'opération respective sont différenciées sont disposées en parallèle entre elles et elles sont incorporées dans le trajet d'écoulement de retour. Le dispositif de commande de la pression du fluide de freinage commande seulement la pression du fluide de freinage du système de roues avant ou celle du système de roues arrière dans un véhicule à deux roues ou à trois roues.
PCT/JP2012/063482 2011-05-26 2012-05-25 Dispositif de commande de la pression du fluide de freinage et dispositif de frein utilisant ce dispositif Ceased WO2012161311A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-118159 2011-05-26
JP2011118159A JP2012245855A (ja) 2011-05-26 2011-05-26 ブレーキ液圧制御装置とそれを用いたブレーキ装置

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Publication Number Publication Date
WO2012161311A1 true WO2012161311A1 (fr) 2012-11-29

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PCT/JP2012/063482 Ceased WO2012161311A1 (fr) 2011-05-26 2012-05-25 Dispositif de commande de la pression du fluide de freinage et dispositif de frein utilisant ce dispositif

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WO (1) WO2012161311A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016055191A1 (fr) * 2014-10-09 2016-04-14 Robert Bosch Gmbh Système de freinage de véhicule à glissement réglable
WO2016203332A1 (fr) * 2015-06-15 2016-12-22 ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング Unité de régulation de pression hydraulique et procédé de fabrication d'unité de régulation de pression hydraulique similaire
CN110525570A (zh) * 2018-05-23 2019-12-03 株式会社岛野 驱动装置及驱动系统

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5979751B2 (ja) * 2012-07-25 2016-08-31 ボッシュ株式会社 ブレーキ液圧制御装置
JP7196495B2 (ja) * 2018-09-25 2022-12-27 株式会社アドヴィックス 車両の制動制御装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10203330A (ja) * 1997-01-20 1998-08-04 Denso Corp 車両用ブレーキ装置
JP2005180332A (ja) * 2003-12-19 2005-07-07 Aisan Ind Co Ltd プランジャポンプ及びエンジン用流体ポンプ
JP2008095523A (ja) * 2006-10-06 2008-04-24 Toflo Corporation Kk ポンプヘッド及びそれを用いた往復ポンプ装置
JP2010229870A (ja) * 2009-03-26 2010-10-14 Nissin Kogyo Co Ltd ソレノイドポンプ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10203330A (ja) * 1997-01-20 1998-08-04 Denso Corp 車両用ブレーキ装置
JP2005180332A (ja) * 2003-12-19 2005-07-07 Aisan Ind Co Ltd プランジャポンプ及びエンジン用流体ポンプ
JP2008095523A (ja) * 2006-10-06 2008-04-24 Toflo Corporation Kk ポンプヘッド及びそれを用いた往復ポンプ装置
JP2010229870A (ja) * 2009-03-26 2010-10-14 Nissin Kogyo Co Ltd ソレノイドポンプ

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016055191A1 (fr) * 2014-10-09 2016-04-14 Robert Bosch Gmbh Système de freinage de véhicule à glissement réglable
WO2016203332A1 (fr) * 2015-06-15 2016-12-22 ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング Unité de régulation de pression hydraulique et procédé de fabrication d'unité de régulation de pression hydraulique similaire
CN110525570A (zh) * 2018-05-23 2019-12-03 株式会社岛野 驱动装置及驱动系统
CN110525570B (zh) * 2018-05-23 2022-02-11 株式会社岛野 驱动装置及驱动系统

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