DK2811173T3 - Hydraulisk system og fremgangsmåde til drift af hudraulisk system - Google Patents

Hydraulisk system og fremgangsmåde til drift af hudraulisk system Download PDF

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Publication number
DK2811173T3
DK2811173T3 DK13170449.6T DK13170449T DK2811173T3 DK 2811173 T3 DK2811173 T3 DK 2811173T3 DK 13170449 T DK13170449 T DK 13170449T DK 2811173 T3 DK2811173 T3 DK 2811173T3
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Denmark
Prior art keywords
valve
memory
valves
group
parameters
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Application number
DK13170449.6T
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English (en)
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DK2811173T4 (da
Inventor
Henrik Hjorth
Erik Christensen
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Danfoss Power Solutions Aps
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Publication of DK2811173T3 publication Critical patent/DK2811173T3/da
Publication of DK2811173T4 publication Critical patent/DK2811173T4/da

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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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/085—Servomotor systems incorporating electrically operated control means using a data bus, e.g. "CANBUS"
    • 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
    • F15B13/0867—Data bus systems
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025—Electrical or magnetic means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
    • G05D7/0641—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means using a plurality of throttling means
    • G05D7/0652—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means using a plurality of throttling means the plurality of throttling means being arranged in parallel
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/23—Pc programming
    • G05B2219/23348—Programmed parameter values in memory, rom, function selection and entry, no cpu
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/23—Pc programming
    • G05B2219/23371—Fixed and variable memory for parameters or user program
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/23—Pc programming
    • G05B2219/23391—Each module can transfer data to I-O or other module and has parameter memory

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Programmable Controllers (AREA)

Claims (9)

1. Et hydraulisk system (1) omfattende en gruppe af mindst to ventiler (2a, 2b, 2c) forbundet til en samleskinne (8), hver af nævnte ventiler (2a, 2b, 2c) omfatter et ventilhus (4a, 4b, 4c), et ventilelement (3a, 3b, 3c) og en primær hukommelse (9a, 9b, 9c) til lagring af et sæt af parametre af ventilen (2a, 2b, 2c), hvor hver ventil (2a, 2b, 2c) omfatter mindst en trykforsyningsport (P), en tankport (T), en eller flere arbejdsporte (A, B) og en sekundær hukommelse (10a, 10b, 10c) til lagring af nævnte sæt af parametre af en forskellig ventil (2a, 2b, 2c) af nævnte gruppe, hvor positionen af ventilelementet (3a, 3b, 3c) i dets ventilhus (4a, 4b, 4c) bestemmer en strøm af hydraulikvæske fra trykforsyningsporten (P) til en af arbejdsportene (A, B) og fra den anden arbejdsport (Β, A) til tankporten, hvor hver ventil (2a, 2b, 2c) omfatter en unik adresse (7a, 7c, 7c) i nævnte gruppe af ventiler og der findes mindst en reservedelsventil med en adresse forskellig fra alle adresserne (7a, 7b, 7c) i nævnte gruppe.
2. Hydraulisk system ifølge krav 1, kendetegnet ved, at ventilerne (2a, 2b, 2c) er elektrohydrauliske ventiler.
3. Hydraulisk system ifølge krav 1 eller 2, kendetegnet ved, at hver ventil (2a, 2b, 2c) omfatter en mikrocontroller (6a, 6b, 6c).
4. En fremgangsmåde til drift af et hydraulisk system omfattende en gruppe af mindst to ventiler (2a, 2b, 2c) forbundet til en samleskinne (8), hvor hver ventil (2a, 2b, 2c) omfatter et ventilhus (4a, 4b, 4c), et ventilelement (3a, 3b, 3c) og en primær hukommelse (9a, 9b, 9c) til lagring af et sæt af parametre for ventilen, hvor hver ventil (2a, 2b, 2c) omfatter mindst en trykforsyningsport (P), en tankport (T), en eller flere arbejdsporte (A, B) og nævnte sæt af parametre er lagret i en sekundær hukommelse (10a, 10b, 10c) af en anden ventil (2a, 2b, 2c) af nævnte gruppe, hvor positionen af ventilelementet (3a, 3b, 3c) i dets ventilhus (4a, 4b, 4c) bestemmer en strøm af hydraulikvæske fra trykforsyningsporten (P) til en af arbejdsportene (A, B) og fra den anden arbejdsport (Β, A) til tankporten, hvor hver ventil (2a, 2b, 2c) omfatter en unik adresse (7a, 7b, 7c) i nævnte gruppe af ventiler og der findes mindst en reservedelsventil med en adresse forskellig fra alle adresserne (7a, 7b, 7c) i nævnte gruppe.
5. Fremgangsmåden ifølge krav 4, kendetegnet ved, at den primære hukommelse (9a, 9b, 9c) og den sekundære hukommelse (10a, 10b, 10c) under en kontrolfase sammenlignes med hinanden.
6. Fremgangsmåden ifølge krav 5, kendetegnet ved, at en kontrolsumværdi af et hukommelsesområde af nævnte primære hukommelse (9a, 9b, 9c) og en kontrolsumværdi af et hukommelsesområde af den sekundære hukommelse (10a, 10b, 10c) er beregnet og sammenlignet med hinanden.
7. Fremgangsmåden ifølge ethvert af kravene 4-6, kendetegnet ved, at i tilfælde af en defekt ventil eller en udskiftning af en ventil med en reservedelsventil, nævnte sæt af parametre hentes fra nævnte sekundære hukommelse (10a, 10b, 10c) af nævnte anden ventil ind i den primære hukommelse (9a, 9b, 9c) af nævnte defekte ventil eller af nævnte reservedelsventil.
8. Fremgangsmåden ifølge kravene 6 til 7, kendetegnet ved, at en første ventil omfattende en sekundær hukommelse (10a, 10b, 10c) af en anden ventil undersøger om en anden ventil er til rådighed på samleskinnen (8) og, hvis den ikke er tilgængelig, men en reservedelsventil er til rådighed opdateres den primære hukommelse (9a, 9b, 9c) af nævnte reservedelsventil af den sekundære hukommelse (10a, 10b, 10c) af nævnte første ventil.
9. Fremgangsmåden ifølge ethvert af kravene 5-8, kendetegnet ved, at nævnte kontrolfase er en startfase.
DK13170449.6T 2013-06-04 2013-06-04 Hydraulisk system og fremgangsmåde til drift af hydraulisk system DK2811173T4 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13170449.6A EP2811173B2 (en) 2013-06-04 2013-06-04 A hydraulic system and a method for operating a hydraulic system

Publications (2)

Publication Number Publication Date
DK2811173T3 true DK2811173T3 (da) 2018-10-29
DK2811173T4 DK2811173T4 (da) 2022-01-10

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ID=48576804

Family Applications (1)

Application Number Title Priority Date Filing Date
DK13170449.6T DK2811173T4 (da) 2013-06-04 2013-06-04 Hydraulisk system og fremgangsmåde til drift af hydraulisk system

Country Status (5)

Country Link
US (2) US10036409B2 (da)
EP (1) EP2811173B2 (da)
CN (2) CN105247227A (da)
DK (1) DK2811173T4 (da)
WO (1) WO2014195040A1 (da)

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DE102019118919A1 (de) * 2019-07-12 2021-01-14 Turck Holding Gmbh Feldgerät
DE102022121986A1 (de) 2022-08-31 2024-02-29 Festo Se & Co. Kg Ventilanordnung

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Also Published As

Publication number Publication date
US20180223883A1 (en) 2018-08-09
EP2811173B2 (en) 2021-11-10
EP2811173A1 (en) 2014-12-10
CN105247227A (zh) 2016-01-13
DK2811173T4 (da) 2022-01-10
US10670055B2 (en) 2020-06-02
CN108518389B (zh) 2020-10-30
WO2014195040A1 (en) 2014-12-11
US10036409B2 (en) 2018-07-31
CN108518389A (zh) 2018-09-11
US20160069363A1 (en) 2016-03-10
EP2811173B1 (en) 2018-07-25

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