FR2520687A1 - BRAKING EQUIPMENT WITH MULTI-CIRCUIT CONTROL OF A WORKING CYLINDER - Google Patents

BRAKING EQUIPMENT WITH MULTI-CIRCUIT CONTROL OF A WORKING CYLINDER Download PDF

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Publication number
FR2520687A1
FR2520687A1 FR8301373A FR8301373A FR2520687A1 FR 2520687 A1 FR2520687 A1 FR 2520687A1 FR 8301373 A FR8301373 A FR 8301373A FR 8301373 A FR8301373 A FR 8301373A FR 2520687 A1 FR2520687 A1 FR 2520687A1
Authority
FR
France
Prior art keywords
working cylinder
braking equipment
relay
relays
operator
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.)
Withdrawn
Application number
FR8301373A
Other languages
French (fr)
Inventor
Werner Stumpe
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2520687A1 publication Critical patent/FR2520687A1/en
Withdrawn legal-status Critical Current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
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • 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
    • 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
    • B60T13/26—Compressed-air systems
    • B60T13/40—Compressed-air systems indirect, i.e. compressed air booster units indirect 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

A brake system is proposed, which is provided with a special control for a working cylinder. This may be performed electrically or by means of pressure medium; it is multi-circuited and has a combination of a switch element (3) with a relay (5). By means of the switch element (3) the faster or greater-magnitude control signal can be selected in each case, and by means of the relay (5) it is possible to monitor the connection of a pressure medium source (storage tank 7) to the working cylinder (9). The working cylinder (9) can preferably be used as a brake cylinder for a brake system.

Description

La présente invention concerne un équipement de freinage avec commande d'un cylindre de travail par plusieurs circuits. Un tel équi pement de freinage est connu (brevet de la République fédérale d'Al- lemagne nO l 160 743). The present invention relates to braking equipment with control of a working cylinder by several circuits. Such braking equipment is known (patent of the Federal Republic of Germany No. 1,160,743).

La commande d'un cylindre de travail dans un tel équipement de freinage est réalisée avec deux circuits, et une sorte d'opérateur
OU, qui sélecte la pression prépondérante pour actionner le cylindre de travail, est prévue dans ce dernier. Ce modèle d'équipement de freinage n'utilise toutefois aucun relais, de sorte que la totalité de la réserve doit circuler dans toute la canalisation, du réservoir ou cylindre de travail en passant par la soupape de commande, ce qui entraîne des retards notables.The control of a working cylinder in such braking equipment is carried out with two circuits, and a kind of operator
OR, which selects the preponderant pressure to actuate the working cylinder, is provided in the latter. However, this model of braking equipment does not use any relays, so that the entire reserve must flow through the entire pipeline, from the reservoir or working cylinder through the control valve, which causes significant delays.

Selon une caractéristique essentielle de l'invention, un organe de commutation, permettant de sélecter des signaux de commande, est combiné avec un relais, permettant de surveiller une liaison entre une source de fluide de pression et une canalisation de travail aboutissant au cylindre de travail. L'équipement de freinage selon l'invention ne se présente ainsi pratiquement pas de retard. Le signal le plus intense et/ou le plus rapide est en outre sélecté dans chaque cas, afin de produire une réponse aussi rapide que possible du cylindre de travail en aval. Le cylindre de travail présente une constitution simple. According to an essential characteristic of the invention, a switching device, making it possible to select control signals, is combined with a relay, making it possible to monitor a connection between a source of pressure fluid and a working pipe leading to the working cylinder . The braking equipment according to the invention thus presents practically no delay. The strongest and / or fastest signal is further selected in each case, in order to produce as rapid a response as possible from the downstream working cylinder. The working cylinder has a simple constitution.

D'autres caractéristiques et avantages de l'invention seront mieux compris à l'aide de la description détaillée ci-dessous d'exemples de réalisation et du dessin annexé sur lequel les figures 1 à 3 représentent chacune partiellement un équipement de freinage avec un cylindre de travail à un circuit et une commande à deux circuits; et les figures 4 et 5 représentent chacune un cylindre de travail avec commande à deux circuits. Other characteristics and advantages of the invention will be better understood with the aid of the detailed description below of exemplary embodiments and of the appended drawing in which FIGS. 1 to 3 each partially represent braking equipment with a cylinder one-circuit work and two-circuit control; and Figures 4 and 5 each show a working cylinder with two-circuit control.

Une commande à deux circuits, déclenchée par des générateurs de signaux tels qu'un dispositif double à pédale, est reliée par deux canalisations 1 et 2 à un opérateur OU 3. Une canalisation 4 relie l'opérateur OU 3 à un relais 5, auquel un réservoir 7 est relié latéralement par une canalisation 6. Une canalisation de travail 8 relie le relais 5 à un cyclindre de travail 9 à un circuit. Ce cylindre de travail 9 peut être un cylindre de frein d'un équipement de freinage pneumatique. A two-circuit control, triggered by signal generators such as a double pedal device, is connected by two lines 1 and 2 to an OR operator 3. A line 4 connects the OR operator 3 to a relay 5, to which a reservoir 7 is laterally connected by a pipe 6. A work pipe 8 connects the relay 5 to a work cycleter 9 to a circuit. This working cylinder 9 can be a brake cylinder of pneumatic braking equipment.

Lorsqu'il reçoit des signaux par les deux canalisations 1 et 2, ltopérateur OU sélecte selon besoin le signal le plus rapide ou le plus intense, puis le délivre au relais 5 par la canalisation 4. Le relais 5 amplifie le débit. il a auparavant obturé la canalisation 6 du réservoir et relié la canalisation de travail à un point de décharge. Il s'inverse ensuite et relie la canalisation 6 du réser ooir à la canalisation de travail 8, en obturant le point de décharge. When receiving signals via the two lines 1 and 2, the operator OR selects the fastest or strongest signal as needed, then delivers it to relay 5 via line 4. Relay 5 amplifies the flow. he previously closed line 6 of the tank and connected the working line to a discharge point. It then reverses and connects the pipe 6 of the reservoir to the working pipe 8, closing off the discharge point.

Le réservoir 7 alimente le cylindre de travail 9 en air suivant un
t trajet très court.The reservoir 7 supplies the working cylinder 9 with air according to a
t very short trip.

Le cylindre de travail 9 est ainsi actionné d'une façon rapide et sure. La commande par les canalisations 1 et/ou 2 peut être hydrau lique, pnelrmatique ou électrique. The working cylinder 9 is thus actuated quickly and safely. Control by lines 1 and / or 2 can be hydraulic, pneumatic or electric.

La figure 2 représente un modèle dans lequel un opérateur OU 10 contient un relais 11/12 constitué par deux relais il et 12. Les organes 10, 11 et 12 font partie d'un amplificateur de débit 13. FIG. 2 represents a model in which an OR operator 10 contains a relay 11/12 constituted by two relays 11 and 12. The members 10, 11 and 12 form part of a flow amplifier 13.

Lorsque les deux canalisations 1 et 2 transmettent des signaux à l'amplificateur de débit 13, l'opérateur OU sélecte les deux relais 11 et 12, et seule l'amplification la plus rapide ou ls plus intense est transmise par la canalisation de travail 8 au cylindre de travail 9. When the two lines 1 and 2 transmit signals to the flow amplifier 13, the OR operator selects the two relays 11 and 12, and only the fastest or most intense amplification is transmitted by the working line 8 to the working cylinder 9.

La figure 3 représente une variante dans laquelle deux relais 14 et 15 sont disposés en amont de l'opérateur OU 16, que l'amplificateur de débit alimente par deux canalisations 17 et 18. FIG. 3 represents a variant in which two relays 14 and 15 are arranged upstream of the OR operator 16, which the flow amplifier supplies by two pipes 17 and 18.

Lorsque les deux canalisations 1 et 2 délivrent des signaux, les relais 14 et 15 sont inversés et deux débits, délivrés par le réservoir 7, circulent dans les canalisations 17 et 18 vers l'opérateur OU 16. When the two pipes 1 and 2 deliver signals, the relays 14 and 15 are inverted and two flow rates, delivered by the tank 7, circulate in the pipes 17 and 18 towards the operator OR 16.

Ce dernier sélecte le débit le plus rapide ou le plus intense, puis le transat au cylindre de travail 9 par la canalisation de travail 8.The latter selects the fastest or most intense flow, then transats it to the working cylinder 9 through the working pipe 8.

La figure 4 représente un modèle un peu différent. Un cylindre de travail 20 à deux circuits et fonction OU intégrée est utilisé dans ce cas. Comme dans l'exemple de réalisation selon figure 3, deux relais 14 et 15 sont utilisés pour délivrer des débits aux canalisations 17 et 18. Les deux débits sont transmis au cylindre de travail à deux cir cuits 20 qui, par son opérateur OU intégré, sélecte la pression incidente la plus élevée ou la plus rapide, ou un signal correspondant, pour actionner le cylindre de travail. Figure 4 shows a slightly different model. A working cylinder 20 with two circuits and integrated OR function is used in this case. As in the exemplary embodiment according to FIG. 3, two relays 14 and 15 are used to deliver flows to the pipes 17 and 18. The two flows are transmitted to the working cylinder with two cooked circuits 20 which, by its integrated OR operator, selects the highest or fastest incident pressure, or a corresponding signal, to activate the working cylinder.

La figure 5 représente enfin qu'il est également possible, avec un modèle de cylindre de travail selon figure 4, de délivrer directement un signal au cylindre de travail 20 par un circuit commandé par la canalisation 2, et de ne munir que le second circuit d'une amplification par un relais 23. FIG. 5 finally shows that it is also possible, with a working cylinder model according to FIG. 4, to directly deliver a signal to the working cylinder 20 by a circuit controlled by the pipe 2, and to provide only the second circuit amplification by a relay 23.

Dans ce modèle également, deux débits sont transmis au cylindre de travail 20 qui, par son opérateur OU intégré, sélecte la pression incidente la plus élevée ou la plus rapide, ou un signal correspondant, pour actionner le cylindre de travail. Also in this model, two flow rates are transmitted to the working cylinder 20 which, by its integrated OR operator, selects the highest or fastest incident pressure, or a corresponding signal, to actuate the working cylinder.

Bien entendu, diverses modifications peuvent être apportées par l'homme de l'art au principe et aux dispositifs qui viennent d'être décrits uniquement à titre d'exemples non limitatifs, sans sortir du cadre de l'invention.  Of course, various modifications can be made by those skilled in the art to the principle and to the devices which have just been described only by way of nonlimiting examples, without departing from the scope of the invention.

Claims (7)

RevendicationsClaims 1. équipement de freinage avec commande à plusieurs circuits d'un cylindre de travail, ledit équipement étant caractérisé par la combinaison d'un organe de commutation (3, 10, 16), permettant de sélecter des signaux de commande, et d'un relais (5; 11, 12; 14, 15; 23), permettant de surveiller une liaison entre une source de fluide de pression (réservoir 7) et une canalisation de travail (8, 17, 18) aboutissant au cylindre de travail (9, 20).1. braking equipment with multi-circuit control of a working cylinder, said equipment being characterized by the combination of a switching member (3, 10, 16), making it possible to select control signals, and a relay (5; 11, 12; 14, 15; 23), making it possible to monitor a connection between a source of pressure fluid (reservoir 7) and a working pipe (8, 17, 18) leading to the working cylinder (9 , 20). 2. équipement de freinage selon revendication 1, caractérisé en ce que l'organe de cosmutation (3, 10, 16) est un opérateur OU; et le relais (5; 11, 12; 14, 15; 23) est commandé par des signaux.2. braking equipment according to claim 1, characterized in that the co-ordinating member (3, 10, 16) is an OR operator; and the relay (5; 11, 12; 14, 15; 23) is controlled by signals. 3. ' équipement de freinage selon revendication 1, caractérisé en ce que le relais (11, 12) est réalisé sous forme de deux relais; et les deux relais (11, 12) sont des opérateurs OU (10) faisant partie d'un amplificateur de débit (13).3. braking equipment according to claim 1, characterized in that the relay (11, 12) is produced in the form of two relays; and the two relays (11, 12) are OR operators (10) forming part of a flow amplifier (13). 4. Equipement de freinage selon revendication 1, caractérisé en ce que le relais (14, 15) est réalisé sous forme de deux relais; et les deux débits des deux relais (14, 15) sont transmis à un opérateur OU (16) pour sélection de la pression ou du signal à transmettre.4. Braking equipment according to claim 1, characterized in that the relay (14, 15) is produced in the form of two relays; and the two flow rates of the two relays (14, 15) are transmitted to an OR operator (16) for selection of the pressure or of the signal to be transmitted. 5. Equipement de freinage selon revendication 1, caractérisé en ce que le relais (14, 15) est réalisé sous forme de deux relais; et les deux débits des deux relais (14, 15) sont transmis au cylindre de travail (20) pour sélection de la pression ou du signal à utiliser.5. Braking equipment according to claim 1, characterized in that the relay (14, 15) is produced in the form of two relays; and the two flow rates of the two relays (14, 15) are transmitted to the working cylinder (20) for selection of the pressure or the signal to be used. 6. Equipement de freinage selon revendication 1, caractérisé en ce que le signal de commande d'un des deux circuits est transmis au cylindre de travail (20).6. Braking equipment according to claim 1, characterized in that the control signal from one of the two circuits is transmitted to the working cylinder (20). 7. équipement de freinage selon une des revendications 5 ou 6, caractérisé en ce qu'un opérateur OU est intégré au cylindre de travail (20). 7. braking equipment according to one of claims 5 or 6, characterized in that an OR operator is integrated into the working cylinder (20).
FR8301373A 1982-01-30 1983-01-28 BRAKING EQUIPMENT WITH MULTI-CIRCUIT CONTROL OF A WORKING CYLINDER Withdrawn FR2520687A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823203154 DE3203154A1 (en) 1982-01-30 1982-01-30 Brake system with multi-circuit control of a working cylinder

Publications (1)

Publication Number Publication Date
FR2520687A1 true FR2520687A1 (en) 1983-08-05

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FR8301373A Withdrawn FR2520687A1 (en) 1982-01-30 1983-01-28 BRAKING EQUIPMENT WITH MULTI-CIRCUIT CONTROL OF A WORKING CYLINDER

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DE (1) DE3203154A1 (en)
FR (1) FR2520687A1 (en)
SE (1) SE457520B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002373A (en) * 1975-04-08 1977-01-11 Kabushiki Kaisha Komatsu Seisakusho Brake operating system for use in electrically driven vehicles
US4013323A (en) * 1976-06-09 1977-03-22 Westinghouse Air Brake Company Remote control brake system for a railway train
FR2372058A1 (en) * 1976-11-29 1978-06-23 Messier Hispano Sa AUTOMATIC BRAKING METHOD AND DEVICE FOR VEHICLES, ESPECIALLY FOR AIRCRAFT
EP0014575A1 (en) * 1979-02-08 1980-08-20 Bendix Limited Trailer or semi-trailer vehicle braking apparatus
FR2521088A1 (en) * 1982-02-06 1983-08-12 Bosch Gmbh Robert BRAKE EQUIPMENT WITH PRESSURE FLUID

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1192066B (en) * 1960-09-08 1965-04-29 Knorr Bremse Gmbh Electropneumatic brake control for trucks
US3582149A (en) * 1968-07-15 1971-06-01 Berg Mfg & Sales Co Tractor-trailer brake system
GB1318210A (en) * 1970-06-05 1973-05-23 Dewandre Co Ltd C Air pressure operated braking systems
GB1470377A (en) * 1973-07-12 1977-04-14 Bendix Westinghouse Ltd Spring-brake control system
GB1538219A (en) * 1975-06-27 1979-01-10 Bendix Westinghouse Ltd Vehicle braking apparatus
US4018485A (en) * 1976-02-17 1977-04-19 The Bendix Corporation Fluid pressure braking system with parking brake-service brake interlock

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002373A (en) * 1975-04-08 1977-01-11 Kabushiki Kaisha Komatsu Seisakusho Brake operating system for use in electrically driven vehicles
US4013323A (en) * 1976-06-09 1977-03-22 Westinghouse Air Brake Company Remote control brake system for a railway train
FR2372058A1 (en) * 1976-11-29 1978-06-23 Messier Hispano Sa AUTOMATIC BRAKING METHOD AND DEVICE FOR VEHICLES, ESPECIALLY FOR AIRCRAFT
EP0014575A1 (en) * 1979-02-08 1980-08-20 Bendix Limited Trailer or semi-trailer vehicle braking apparatus
FR2521088A1 (en) * 1982-02-06 1983-08-12 Bosch Gmbh Robert BRAKE EQUIPMENT WITH PRESSURE FLUID

Also Published As

Publication number Publication date
DE3203154A1 (en) 1983-08-11
SE8300439L (en) 1983-07-31
SE457520B (en) 1989-01-09
SE8300439D0 (en) 1983-01-28

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