EP3633211A2 - Bloc de commande pourvu de dispositif de protection et procédé de fonctionnement d'un tel bloc de commande - Google Patents

Bloc de commande pourvu de dispositif de protection et procédé de fonctionnement d'un tel bloc de commande Download PDF

Info

Publication number: EP3633211A2
Authority: EP; European Patent Office
Prior art keywords: valve; control block; pressure; fluidly connected; pressure chamber
Prior art date: 2018-09-15
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.): Granted

Application number

EP19192205.3A

Other languages

German (de)

English (en)

Other versions

EP3633211A3 (fr

EP3633211B1 (fr

Inventor

Janik Dietz

David Jung

Thomas Kretzer

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.)

Thomas Magnete GmbH

Original Assignee

Thomas Magnete 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.)

2018-09-15

Filing date

2019-08-19

Publication date

2020-04-08

2019-08-19 Application filed by Thomas Magnete GmbH filed Critical Thomas Magnete GmbH

2020-04-08 Publication of EP3633211A2 publication Critical patent/EP3633211A2/fr

2020-06-17 Publication of EP3633211A3 publication Critical patent/EP3633211A3/fr

2021-04-28 Application granted granted Critical

2021-04-28 Publication of EP3633211B1 publication Critical patent/EP3633211B1/fr

Status Active legal-status Critical Current

2039-08-19 Anticipated expiration legal-status Critical

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Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0807—Manifolds
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0846—Electrical details
- F15B13/086—Sensing means, e.g. pressure sensors

Definitions

the invention is based on a control block which has at least one receptacle for at least one valve, one inlet, and one outlet, the at least one valve having two connections which are fluidly connected to different pressure spaces and depending on the actuation of the at least one valve fluidly connects different pressure rooms.
At least one of the pressure spaces should be able to be monitored for its pressure and / or its tightness.
the object directed to the device is solved by the features of the first claim, and the procedural task of monitoring is achieved by the features of the tenth claim.
the invention includes the technical teaching that the at least two pressure chambers are each lined on the inside on one side with a membrane, each of which is at least partially supported by a support, the support being mounted in the control block, and the support using its shape and / or by means of their limited elasticity, the shape changes of the membrane are limited to elastic shape changes when pressures in the pressure chambers occur during operation.
the support advantageously has a foam body that contains a plurality of cavities that are elastically compressible.
the support has a body with at least one inner recess, which can be filled elastically by the membrane and / or the foam body depending on the pressure.
the at least one recess of the support is advantageously fluidly connected to the environment outside the control block, the membrane sealing the pressure chamber from the environment.
control block has only one valve, the first connection of the valve being fluidly connected to the inlet via the first pressure chamber, and the second connection of the valve being fluidly connected to the outlet via the second pressure chamber.
control block has two valves, the first connection of the first valve being fluidly connected to the inlet via the first pressure chamber, and the second connection of the first valve being fluidly connected to the first connection of the second valve via the second pressure chamber and the second connection of the second valve is fluidly connected to the outlet via the third pressure chamber.
the control block preferably has a cover which is flanged to a housing, the cover containing the support, and the membrane sealing the joining gap between the housing and the cover.
the housing and the cover are at least partially made of a plastic and are molded by injection molding.
the control block equipped with two valves advantageously has a pressure transducer which converts a pressure of the fluid in the second pressure chamber into an electrical signal.
an electronic control controls the valves and processes the electrical one Signal from the pressure sensor.
the electronic control monitors the function of the valves and the tightness of the second pressure chamber. For this purpose, for example, a slight excess pressure is maintained in the second pressure chamber, the course of time and its relation to the pressures at the inlet and at the outlet is monitored by the electronic control.
FIG 1 shows a control block (1) according to the invention, which has a receptacle for two valves (2), an inlet (3), and an outlet (4).
the valves (2, 2 ') each contain two connections (7, 7', 8, 8 ') which are fluidly connected to three pressure chambers (5, 5', 5 ") and which are dependent on the actuation of the valves ( 2, 2 ') fluidly connect the pressure chambers (5, 5', 5 ").
the three pressure chambers (5, 5 ', 5 ") are lined on the inside on one side with three membranes (9, 9', 9"), each of which is supported by a support (10, 10 ', 10 "), the supports ( 10, 10 ', 10 ") are stored in the control block (1).
the supports (10, 10 ', 10 ") each limit the shape changes of the membranes (9, 9', 9") by means of their shape and / or by means of their limited elasticity when pressures occur in the pressure chambers (5, 5 ', 5 ") to elastic changes in shape.
the respective support (10) has a body with a plurality of inner recesses (12) which can be filled elastically by the membrane (9) depending on the pressure.
the support (10) has a foam body (16) which contains a plurality of cavities (15) which are elastically compressible.
control block (1) has a valve (2), the first connection (7) of the valve (2) being fluidly connected to the inlet (3) via the first pressure chamber (5) and the second Connection (8) of the valve (2) is fluidly connected to the outlet (4) via the second pressure chamber (5 ').
the control block (1) has two valves (2, 2 '), the first connection (7) of the first valve (2) being fluidly connected to the inlet (3) via the first pressure chamber (5), and the second Connection (8) of the first valve (2) is fluidically connected to the first connection (7 ') of the second valve (2') via the second pressure chamber (5 '), and the second connection (8') of the second valve ( 2 ') is fluidly connected to the outlet (4) via the third pressure chamber (5 ").
the control block (1) preferably has a housing (11) and a cover (13) which is flanged to the housing (11), the cover (13) containing the support (10) and the membrane (9) Seals joint gap between the housing (11) and the cover (13).
the control block (1) advantageously has a pressure sensor (17) which converts a pressure of the fluid in the second pressure chamber (5 ') into an electrical signal. This electrical signal is passed to an electronic control (18) which processes the electrical signal from the pressure sensor (17).
the electronic control (18) is also directly or indirectly electrically connected to the valves (2, 2 ') and influences the valves (2, 2'). The function of the valves (2, 2 ') and the tightness of the second pressure chamber (5') are monitored.

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Infusion, Injection, And Reservoir Apparatuses (AREA)
Measuring Fluid Pressure (AREA)
Safety Valves (AREA)

EP19192205.3A 2018-09-15 2019-08-19 Bloc de commande pourvu de dispositif de protection Active EP3633211B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102018007309		2018-09-15
DE102019103011.0A DE102019103011A1 (de)	2018-09-15	2019-02-07	Steuerblock mit Schutzeinrichtung und Verfahren zum Betrieb desselben

Publications (3)

Publication Number	Publication Date
EP3633211A2 true EP3633211A2 (fr)	2020-04-08
EP3633211A3 EP3633211A3 (fr)	2020-06-17
EP3633211B1 EP3633211B1 (fr)	2021-04-28

Family

ID=69646703

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19192205.3A Active EP3633211B1 (fr)	2018-09-15	2019-08-19	Bloc de commande pourvu de dispositif de protection

Country Status (2)

Country	Link
EP (1)	EP3633211B1 (fr)
DE (1)	DE102019103011A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1098629A (en) *	1964-08-06	1968-01-10	Applied Controls Ltd	Connector unit
DE2262248C2 (de) *	1972-01-13	1982-05-13	Deutsche Itt Industries Gmbh, 7800 Freiburg	Relaisventil für eine blockiergeschützte Druckluftbremse
DE3038802A1 (de) *	1980-10-14	1982-05-27	Herion-Werke Kg, 7012 Fellbach	Impulsventil
US6073652A (en) *	1999-04-01	2000-06-13	Husco International, Inc.	Pilot solenoid control valve with integral pressure sensing transducer
DE102004025062B4 (de) *	2004-05-18	2006-09-14	Hydraulik-Ring Gmbh	Gefriertaugliches Dosierventil
DE102006020277A1 (de) *	2006-04-27	2007-10-31	Conti Temic Microelectronic Gmbh	Druckverteiler für ein Kraftfahrzeug, insbesondere für pneumatische Aktoren in Sitzen
ITMI20072361A1 (it) *	2007-12-18	2009-06-19	Spluga Di Andrea Cagnacci & C	Dispositivo idrico

2019
- 2019-02-07 DE DE102019103011.0A patent/DE102019103011A1/de active Pending
- 2019-08-19 EP EP19192205.3A patent/EP3633211B1/fr active Active

Also Published As

Publication number	Publication date
EP3633211A3 (fr)	2020-06-17
DE102019103011A1 (de)	2020-03-19
EP3633211B1 (fr)	2021-04-28

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