EP1199479B1 - Dispositif hydropneumatique avec un dispositif diagnostique - Google Patents

Dispositif hydropneumatique avec un dispositif diagnostique Download PDF

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Publication number
EP1199479B1
EP1199479B1 EP01115415A EP01115415A EP1199479B1 EP 1199479 B1 EP1199479 B1 EP 1199479B1 EP 01115415 A EP01115415 A EP 01115415A EP 01115415 A EP01115415 A EP 01115415A EP 1199479 B1 EP1199479 B1 EP 1199479B1
Authority
EP
European Patent Office
Prior art keywords
diagnostic
housing
fluid power
power device
assembly
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 - Lifetime
Application number
EP01115415A
Other languages
German (de)
English (en)
Other versions
EP1199479A2 (fr
EP1199479A3 (fr
Inventor
Heiko Kühbauch
Joachim Krämer
Uwe GRÄFF
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.)
Festo SE and Co KG
Original Assignee
Festo SE and Co KG
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 Festo SE and Co KG filed Critical Festo SE and Co KG
Publication of EP1199479A2 publication Critical patent/EP1199479A2/fr
Publication of EP1199479A3 publication Critical patent/EP1199479A3/fr
Application granted granted Critical
Publication of EP1199479B1 publication Critical patent/EP1199479B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • F15B19/005—Fault detection or monitoring
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/202—Externally-operated valves mounted in or on the actuator

Definitions

  • the invention relates to a fluid power device with a valve assembly connected to a piston-and-cylinder arrangement and with a diagnostic device according to the Preamble of claim 1.
  • An object of the present invention is to provide Diagnostic device and the diagnostic display means for complex simplify fluid power devices and variable to design.
  • a single diagnostic device in the valve assembly or in the piston-cylinder assembly integrated for checking components of both arrangements is trained.
  • the diagnostic display means are provided equally for both arrangements, so that Overall, the electronic effort is reduced and still a visual diagnosis recognition in a simple way possible becomes. The line effort is reduced accordingly.
  • the diagnostic device is advantageously in one contain separate diagnostic board, preferably diagnostic basic functions in the control board layout and extended optional features in the separate diagnostic board are housed.
  • the diagnostic board has connector means for Insert or plug on the control board assembly, so that the user on the one hand in a simple way extended diagnostic functions even later by purchasing such a diagnostic board and on the other hand, it's easier Replacement of the diagnostic board possible if other diagnostic functions be desired.
  • valve assembly on the piston-cylinder assembly mounted or integrated in this, so that the unit formed then serves one for both individual systems Diagnostic device and diagnostic display means for reading owns in place.
  • the housing of the piston-cylinder arrangement or the housing the valve assembly advantageously contains an electrical Connector assembly on the outside of the housing for connecting the at least one control board with an external station and / or power supply.
  • an electrical Connector assembly on the outside of the housing for connecting the at least one control board with an external station and / or power supply.
  • the diagnostic board preferably contains its own microcontroller for diagnostic functions.
  • a housing cover to cover a housing opening of the electronic Control device containing housing provided for optional recording, in particular plug-in, the Diagnostic board is formed.
  • the diagnostic board also e.g. be integrally integrated on the housing cover. to Retrofit or to change the diagnostic functions can then the entire lid can be exchanged in a simple manner.
  • This housing cover also advantageously contains the Diagnostic display means, or it has through holes or window for detecting the arranged on the underneath Control board assembly attached diagnostic display means. These are in the simplest case than on the control board assembly mounted light emitting diodes formed, wherein light guides for transmitting light to the passage openings or Window of the housing cover are provided. This has the advantage that the housing cover itself relatively easy and without electrical or electronic equipment are formed can and still be used for diagnostic reading or recognition can.
  • the light-emitting diode having diagnostic display means in connection with the diagnostic device are more advantageous Way of generating different diagnostic indications Switching on different light-emitting diodes or light-emitting diode combinations and / or by different switch-on sequences the light emitting diodes formed. This one can already relatively small number of LEDs for playback relative complex diagnostic display functions.
  • Particularly important and advantageous diagnostic functions are For example, the sensor monitoring of piston and / or Valve link sensors, the transit time monitoring of moving Components, such as pistons or valve members, maintenance interval displays and / or lifetime monitoring, especially of moving parts.
  • the diagnostic display means may in an alternative embodiment also be designed as a display, preferably also for displaying control functions and / or for programming formed of control functions and diagnostic functions can be.
  • DIL switch a DIL switch
  • Such DIL switches are conveniently directly on the control board assembly and / or the diagnostic board arranged so that diagnostic functions can be programmed on the spot.
  • a programming tool can also be a wireless or wired Communication interface arranged on the housing side be programmable via a separate HMI device is.
  • a conventional piston-cylinder assembly 10 As shown by the applicant is offered and sold.
  • a cylinder housing 11 with a substantially rectangular cross-section an unrecognizable piston is guided longitudinally displaceable, which is connected to a piston rod 12, which consists of a of two cylinder covers 13, 14 protrudes frontally.
  • valve housing 15 mounts, for example, two unrecognizable Contains valves through which in the usual way the both cylinder chambers on both sides of the piston with fluidic Pressure can be applied to the piston or the To move piston rod 12 in one or the other direction.
  • the required fluidic connection lines are in Cylinder housing 11 and integrated in the valve housing 15 and not shown or recognizable.
  • a fluidic pressure connection element 17 provided with a muffler 18 fluidic Outlet 19 and an electrical connector 20 arranged.
  • Valve housing 15 In a mouth side closable by clamping rings 21 Housing bore 22, in the longitudinal direction of Valve housing 15 extends and on the front side 16 and the opposite end face 23 opens, is not shown and recognizable piston assembly in the valve housing 15 contained valve assembly disposed longitudinally displaceable.
  • the likewise not shown magnet arrangement of the valve arrangement is via the electrical connector element 20 supplied with the required supply voltage, wherein also external control signals from an external control center via a bus line can be supplied.
  • Two manual actuators 24, 25 on the housing top are used for manual operation or triggering the Valve arrangement for pressurizing the two cylinder chambers.
  • Two likewise arranged on the housing top adjusting elements 26, 27 are used to adjust the speed, with which the piston or the piston rod 12 extends or retracts.
  • FIG. 2 A part of the housing top covering and removable Housing cover 28 is shown in more detail in Figures 2 and 3. He has at his pointing to the housing interior Inside an integrally molded plug holder 29 for Plug-in connector of a diagnostic board 30.
  • the inserted diagnostic board 30 has at its remote from the housing cover 28 End Scheme a connector 31 for electrical Plug connection with a perpendicular to the valve housing 15 arranged control board 32.
  • At the housing cover 28 facing side of the control board 32 are five as Diagnostic display means trained and not in the figures recognizable LEDs arranged in a row next to each other, provided with bolt-like light guide elements 33 are.
  • These light guide elements 33 extend from the Control board 32 from up to appropriately arranged through holes 34 in the housing cover 28, so that the housing cover the switching on of these LEDs can be seen is.
  • passage openings 34 can in principle
  • windows are provided, where the light guide elements 33 open.
  • the LEDs can in principle be arranged on the housing cover 28, in which case, however provided corresponding electrical connection lines would have to be.
  • the control board 32 includes a microcontroller for spreader functions and sensor functions of the piston-cylinder assembly 10 and the valve assembly in the valve housing 15th It receives sensor signals, for example from sensors to Detection of piston positions, valve member sensors, pressure sensors and the same.
  • the valves are directly controlled or the valve of the valve assembly.
  • the programming of the Microcontroller can have an external central station, a connecting bus assembly and the connector 20 respectively.
  • the valve housing Have 15 programming elements, such as DIL switches on the control board 32 or other boards or Control boards.
  • Also on the outside of the valve housing 15th can be arranged programming switch or a programming keyboard be, for example, then a display for Facilitation of programming is provided.
  • the diagnostic board 30 also has a microcontroller for diagnostic functions, also via DIL switches on the diagnostic board 30 or via a keyboard programmed on the outside of the housing or via a bus arrangement can be.
  • Diagnostic functions are, for example, lifetime monitoring the valve members and / or the piston. It can be a provided number of strokes are set, for example 10,000 strokes on the valve links. After reaching this Number is then a corresponding diagnostic indicator. Furthermore, a stroke duration monitoring can take place, that is, the duration of movement of the stroke of the valve member and / or the Piston can be monitored and a designated duration of movement plus a tolerance can be adjusted accordingly. at Exceeding the set value is a corresponding Diagnostic display. The number of strokes can also be on demand get saved. Furthermore, for example, the Position sensors are monitored for the piston, respectively that sensor one of the monitoring LEDs turns on, which is currently addressing. A simultaneous response several position sensors makes a malfunction identified. Other known diagnostic functions can also still be provided, with both diagnostic functions the piston-cylinder assembly 10 and the valve assembly are included.
  • the respective diagnostic display becomes a light emitting diode or several LEDs are constantly lit or flashing enabled, so that already with five LEDs one Variety of different diagnostic functions identified can be made.
  • the number of LEDs is obvious not limited to the number five. Also different Illuminated colors can be used to display various diagnostic functions be used.
  • a display on the valve housing 15 may be provided by the different diagnostic messages are displayed directly can be. This display can also be used in addition to Programming and used to display control functions become.
  • the diagnostic board can contain all diagnostic functions, or some basic diagnostic functions are in the Control board 32 included, so that the diagnostic board 30th can also be used or retrofitted, if the additional Diagnostic functions are desired. In this case only the housing cover 28 has to be removed, the diagnostic board 30 inserted and the housing cover 28 again so attached or fixed to the valve housing 15 that the Plug connector 31, the diagnostic board 30 electrically connects to the control board 32. That way you can also different diagnostic boards according to user request alternatively be used.
  • the diagnostic board 30 may also be on or in the housing cover 28 be integrated.
  • the electrical connection with the control board 32 then takes place in the same way, but must to Replacing diagnostic functions respectively Housing cover to be replaced.
  • valve housing 15 and the components contained therein be integrated in the cylinder housing 11.
  • electronic components for example, the diagnostic board 30, in the cylinder housing 11 are housed.
  • valve housing 15 may also be arranged separately from the cylinder housing 11, wherein then electrical and fluidic connecting lines required are.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Reciprocating Pumps (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Claims (12)

  1. Dispositif hydropneumatique comprenant un dispositif de soupapes (15) raccordé à un dispositif piston-cylindre (10) et un système de commande électronique intégré dans le dispositif de soupapes (15) ou dans le dispositif piston-cylindre (10) pour les deux dispositifs, qui présente un dispositif de diagnostic pour des composants dans le dispositif de soupapes (15) et le dispositif piston-cylindre (10) ainsi que des moyens d'affichage de diagnostic (33), caractérisé en ce que le boítier (11) du dispositif piston-cylindre (10) ou le boítier du dispositif de soupapes (15) contient un système de platine de commande (32) équipé de façon électronique et formant sensiblement le système de commande électronique pour les deux dispositifs, une platine de diagnostic (30) séparée contenant le dispositif de diagnostic et présentant des moyens de liaison par emboítement (31) pour l'emboítement ou le rattachement au système de platine de commande (32).
  2. Dispositif hydropneumatique selon la revendication 1, caractérisé en ce que le dispositif de soupapes (15) est monté sur le dispositif piston-cylindre (10) ou est intégré dans celui-ci.
  3. Dispositif hydropneumatique selon la revendication 1 ou 2, caractérisé en ce qu'un dispositif électrique de liaison par emboítement (20) est disposé sur le côté extérieur du boítier pour la liaison du système de platine de commande (32) avec une station externe et/ou pour l'alimentation électrique.
  4. Dispositif hydropneumatique selon l'une des revendications précédentes, caractérisé en ce que la platine de diagnostic (30) présente son propre microcontrôleur pour des fonctions de diagnostic.
  5. Dispositif hydropneumatique selon l'une des revendications précédentes, caractérisé en ce qu'un couvercle de boítier (28) est prévu pour le revêtement d'une ouverture de boítier du boítier contenant le système de platine de commande (32), qui est conçu de préférence pour le logement optionnel, en particulier le logement par emboítement, de la platine de diagnostic (30) ou sur lequel la platine de diagnostic est intégrée.
  6. Dispositif hydropneumatique selon la revendication 5, caractérisé en ce que le couvercle de boítier (28) contient les moyens d'affichage de diagnostic ou présente des ouvertures de passage (34) ou des fenêtres pour la reconnaissance des moyens d'affichage de diagnostic (33) placés sur le système de platine de commande (32) disposé au-dessous.
  7. Dispositif hydropneumatique selon la revendication 6, caractérisé en ce que les moyens d'affichage de diagnostic (33) sont réalisés comme des diodes électroluminescentes placées sur le système de platine de commande (32) et en ce qu'il est prévu des conducteurs optiques pour la transmission de lumière aux ouvertures de passage (34) ou aux fenêtres du couvercle de boítier (28).
  8. Dispositif hydropneumatique selon l'une des revendications précédentes, caractérisé en ce que les moyens d'affichage de diagnostic (33) présentant les diodes électroluminescentes sont réalisés en liaison avec le système de diagnostic pour la génération de différents affichages de diagnostic par l'enclenchement de différentes diodes électroluminescentes ou combinaisons de diodes électroluminescentes et/ou par différentes séquences d'enclenchement et/ou couleurs de diodes électroluminescentes.
  9. Dispositif hydropneumatique selon l'une des revendications 1 à 6, caractérisé en ce que les moyens d'affichage de diagnostic sont réalisés comme un écran qui est réalisé de préférence également pour l'affichage de fonctions de commande et/ou pour la programmation.
  10. Dispositif hydropneumatique selon l'une des revendications précédentes, caractérisé par un contrôle à capteurs et/ou un contrôle du temps de déplacement pour des composants mobiles comme des pistons ou des éléments de soupape et/ou des affichages d'intervalle de maintenance et/ou un contrôle de la durée de vie comme fonctions du diagnostic, le contrôle par capteurs étant conçu de préférence comme contrôle de paire de capteurs d'éléments de piston et/ou capteurs d'éléments de soupape.
  11. Dispositif hydropneumatique selon l'une des revendications précédentes, caractérisé en ce que des moyens de programmation sont prévus pour la programmation ou le réglage des fonctions de diagnostic et/ou des fonctions de commande, les moyens de programmation étant réalisés de préférence comme clavier sur le côté extérieur du boítier ou comme interrupteur, en particulier comme interrupteur DIL, et les moyens de programmation présentant de préférence une interface de communication sans fil ou reliée par fil sur ou dans le boítier, qui sont en liaison fonctionnelle avec un appareil de commande séparé.
  12. Dispositif hydropneumatique selon la revendication 11, caractérisé en ce que les interrupteurs sont disposés sur le système de platine de commande (32) et/ou la platine de diagnostic (30).
EP01115415A 2000-09-28 2001-06-27 Dispositif hydropneumatique avec un dispositif diagnostique Expired - Lifetime EP1199479B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10048049A DE10048049A1 (de) 2000-09-28 2000-09-28 Fluidtechnische Einrichtung mit einer Diagnoseeinrichtung
DE10048049 2000-09-28

Publications (3)

Publication Number Publication Date
EP1199479A2 EP1199479A2 (fr) 2002-04-24
EP1199479A3 EP1199479A3 (fr) 2004-01-02
EP1199479B1 true EP1199479B1 (fr) 2005-08-10

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EP01115415A Expired - Lifetime EP1199479B1 (fr) 2000-09-28 2001-06-27 Dispositif hydropneumatique avec un dispositif diagnostique

Country Status (3)

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EP (1) EP1199479B1 (fr)
AT (1) ATE301778T1 (fr)
DE (2) DE10048049A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101680464B (zh) * 2007-05-12 2013-05-22 费斯托股份有限两合公司 具有光导体的流体技术装置
DE102015210716A1 (de) * 2015-06-11 2016-12-15 Festo Ag & Co. Kg Positionssensor sowie Verfahren zum Betreiben eines Positionssensors

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10259394A1 (de) * 2002-12-19 2004-07-15 Festo Ag & Co Vorrichtung zur Zustandsdiagnose einer fluidtechnischen Komponente, insbesondere eines Fluidikzylinders
JP4054990B2 (ja) 2003-03-07 2008-03-05 Ｓｍｃ株式会社 シリンダ装置
EP1881204B1 (fr) * 2006-07-22 2008-11-12 Festo AG & Co. KG Module de service de cylindre
EP2158452A1 (fr) * 2007-08-11 2010-03-03 Festo AG & Co. KG Dispositif de diagnostic pour contrôler le mouvement d'un actionneur
DE102008053710B4 (de) * 2008-10-29 2012-06-21 Robert Bosch Gmbh Elektrische Einrichtung zur Verschleißerkennung elastomerer dynamischer Dichtungen
DE102013006231A1 (de) * 2013-04-11 2014-10-16 Liebherr-Components Kirchdorf GmbH Arbeitszylinder und Baumaschine bzw. Hebezeug
DE102018110084A1 (de) * 2018-04-26 2019-10-31 Fibro Gmbh Diagnoseeinheit

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
US5113679A (en) * 1990-06-27 1992-05-19 Burndy Corporation Apparatus for crimping articles
WO1993005296A1 (fr) * 1991-09-10 1993-03-18 Smc Kabushiki Kaisha Appareil utilisant la pression d'un fluide
DE19526459A1 (de) * 1995-07-20 1997-01-23 Festo Kg Ventilanordnung
DE29518539U1 (de) * 1995-11-22 1996-01-18 Festo Kg Positionserfassungsvorrichtung
DE19636418C2 (de) * 1996-09-07 1998-06-10 Kaemmer Ventile Gmbh Pneumatischer Stellantrieb
DE19937597B4 (de) * 1999-08-09 2005-11-24 Abb Patent Gmbh Druckmittelbetriebener Stellantrieb
DE20004976U1 (de) * 2000-03-17 2000-05-31 Festo Ag & Co Fluidbetätigter Linearantrieb
DE20006295U1 (de) * 2000-04-06 2000-07-20 Festo Ag & Co Ventilanordnung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101680464B (zh) * 2007-05-12 2013-05-22 费斯托股份有限两合公司 具有光导体的流体技术装置
DE102015210716A1 (de) * 2015-06-11 2016-12-15 Festo Ag & Co. Kg Positionssensor sowie Verfahren zum Betreiben eines Positionssensors
DE102015210716B4 (de) 2015-06-11 2023-07-20 Festo Se & Co. Kg Positionssensor sowie Verfahren zum Betreiben eines Positionssensors

Also Published As

Publication number Publication date
DE50107023D1 (de) 2005-09-15
DE10048049A1 (de) 2002-05-02
ATE301778T1 (de) 2005-08-15
EP1199479A2 (fr) 2002-04-24
EP1199479A3 (fr) 2004-01-02

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