EP2689144A2 - Ensemble de distribution pour un véhicule - Google Patents

Ensemble de distribution pour un véhicule

Info

Publication number
EP2689144A2
EP2689144A2 EP12709591.7A EP12709591A EP2689144A2 EP 2689144 A2 EP2689144 A2 EP 2689144A2 EP 12709591 A EP12709591 A EP 12709591A EP 2689144 A2 EP2689144 A2 EP 2689144A2
Authority
EP
European Patent Office
Prior art keywords
valve
control device
actuator
control unit
vehicle
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.)
Granted
Application number
EP12709591.7A
Other languages
German (de)
English (en)
Other versions
EP2689144B1 (fr
Inventor
Markus Schober
Andreas Wehle
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of EP2689144A2 publication Critical patent/EP2689144A2/fr
Application granted granted Critical
Publication of EP2689144B1 publication Critical patent/EP2689144B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
    • F15B13/0444—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors with rotary electric motor
    • 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
    • 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
    • F15B19/002—Calibrating

Definitions

  • the invention relates to a valve control device for a vehicle, in particular an agricultural utility vehicle, with a control unit for controlling an electromagnetically operable valve, wherein the control unit interrogates upon activation of a Doublekalibri fürsmodus a the electromagnetically actuated valve associated identification feature, determines the queried identifier corresponding valve type, and a selects the control valve associated with the determined valve type for controlling the electromagnetically operable valve.
  • valve control device in the form of a system for identifying the configuration of a valve carrier system which can be equipped with different valves has been presented, for example, by Bosch Rexroth at the Hannover Messe in 2009.
  • the valve support system has a plurality of base plates for receiving the valves, wherein each of the base plates carries an antenna by means of which an RFID transponder associated with the respective valve can be read out.
  • Each of the RFID transponders transmits a dataset which is characteristic of the respective valve type, so that a direct inference to the current configuration of the valve carrier system is possible. Due to the use of RFID-based data query the known valve control device is relatively expensive in construction. It is therefore an object of the present invention to form a valve control device of the type mentioned in the sense of reducing the structural complexity.
  • the valve control device for a vehicle comprises a control unit for controlling an electromagnetically operable valve, wherein the control unit interrogates an identification feature associated with the electromagnetically operable valve upon activation of a self-calibration mode, determines a valve type corresponding to the retrieved identification feature, and a valve type determined assigned control algorithm for controlling the electromagnetically operable valve selects.
  • the identification feature is a characteristic travel of an actuating unit provided for the electromagnetic actuation of the valve.
  • the actuating unit can be designed, for example, as an electrically controllable actuator in the form of a stepping motor, which is connected via an associated drive mechanism to a valve slide assigned to the valve.
  • the valve slide which is guided in a valve block, can be moved into various positions by means of the actuator, with each of the positions corresponding to a specific valve position.
  • the travel to be traversed by the valve spool between the various positions is characteristic of the present invention. This type of valve allows its unique identification.
  • the determination of the characteristic travel itself is not subject to any special requirements. If the actuator is a stepping motor, then the characteristic travel can be derived directly from the number of steps required by the stepping motor for complete travel through the travel. Additionally or alternatively, however, the use of a position sensor detecting the travel position is conceivable.
  • the valve control device not only simplifies an initial configuration of a hydraulic system provided in a vehicle in the case of a plurality of available valve options, but also a later replacement of the valve type during maintenance or revision work.
  • the various valve types and their associated identification features or control algorithms are hereby stored in a table in a memory device associated with the control unit.
  • the self-calibration mode is exited and the valve control device is placed in a normal operating mode provided for normal operation of the hydraulic system.
  • the control unit determines the characteristic travel based on predetermined reference positions of the actuator unit included actuator.
  • the actuator may be a rack connected to the valve spool that is in engagement with a gear drive of the stepper motor.
  • the rack and the one or more gears consisting of gear drive are part of the drive mechanism included by the actuator.
  • Each of the reference positions of the actuator corresponds to a specific valve position.
  • Actuator and valve spool are releasably connected to each other by means of a splint or the like, but can also be designed as a structural unit.
  • the predetermined reference positions are in particular formed by one or more mechanical limit stops and / or a defined neutral position of the actuating transmitter and / or the valve slide connected to the actuating transmitter.
  • the characteristic travel of the valve results directly from between the two end stops or from between at least one of the end stops and the defined neutral position of the actuator and / or valve slide to be traversed actuating travel.
  • the control unit recognizes the achievement of the mechanical end stops by detecting a load increase occurring at the setting unit.
  • the load increase can be determined, for example, on the basis of an increasing current requirement of the stepping motor when the end stop is reached.
  • the vehicle is an unillustrated agricultural utility vehicle, in particular a tractor, a harvesting machine, a forage harvester or the like.
  • the valve control device 10 arranged in the agricultural utility vehicle comprises a control unit 12 for controlling an electromagnetically operable valve 14 and an actuating unit 18 in communication with the control unit 12 via a control line 16.
  • the control unit 18 is, for example, an electrically controllable actuator in the form of a stepper motor 20 formed, which is connected via an associated drive mechanism 22 with a valve 14 associated with valve slide 26 in conjunction.
  • Stepper motor 20 and drive mechanism 22 are housed in a common housing 24.
  • the valve slide 26, which is guided in a valve block 28, can be moved into different positions by means of the stepping motor 20, wherein each of the positions corresponds to a specific valve position.
  • the travel to be traversed by the valve spool 26 between the various positions is characteristic of the respective valve type, thus allowing its unique identification for the purpose of self-calibration of a hydraulic system equipped therewith.
  • the characteristic table travel a the valve 14 uniquely assigned identification feature.
  • the control unit 12 determines the characteristic travel by means of predetermined reference positions of an actuator 30 encompassed by the actuator 18.
  • the actuator 30 is a rack 32 connected to the valve spool 26 which meshes with a gear drive 34 of the stepper motor 20 stands.
  • the toothed rack 32 and the gearwheel drive 34 consisting of a first and second toothed wheel 36 and 38 are part of the drive mechanism 22 encompassed by the setting unit 18.
  • Each of the reference positions of the actuator 30 here corresponds to a specific valve position.
  • Actuator 30 and valve slide 26 are releasably connected to each other by means of a splint 40 or the like, but may also be designed as a structural unit.
  • the stepping motor 20 may basically also be a linear displacement sensor.
  • rack 32 and gear drive 34 for actuating the valve spool 26 may be omitted.
  • the drive mechanism 22 is then typically formed as a trapezoidal screw driven by the stepper motor 20.
  • the predetermined reference positions are, for example, by a first mechanical end stop 42 of the actuator 30 and a second end stop 44 of the valve spool 26. forms. In this case, the characteristic results
  • the predetermined reference positions can also be formed by a single one of the mechanical end stops 42 or 44 in conjunction with a defined neutral position of the actuating transmitter 30 or valve slide 26.
  • the control unit 12 detects the reaching of the respective mechanical end stop 42 or 44 by detecting a load increase occurring on the setting unit 18.
  • the increase in load is determined by the control unit 12 due to an increasing current requirement of the stepping motor 20 upon reaching the limit stop 42 or 44.
  • the control unit 12 queries the characteristic travel of the valve 14 when activating a self-calibration mode in a first step.
  • the actuation transmitter 30 is moved up to the first mechanical end stop 42 by corresponding activation of the setting unit 18 or of the stepping motor 20 encompassed by the latter.
  • the actuator 30 is moved up to the second mechanical end stop 44.
  • the characteristic travel is derived from the control unit 12 by detecting the number of steps that the stepper motor 20 requires to complete the travel between the two mechanical end stops 40 and 42.
  • the control unit 12 determines in a second step an NEN the requested characteristic travel corresponding valve type. On the basis of this, the control unit 12 finally selects, in a third step, a control algorithm assigned to the determined valve type for actuating the electromagnetically actuatable valve 14.
  • the valve control device 10 not only simplifies an initial configuration of the hydraulic system provided in the agricultural vehicle in the case of a plurality of available valve options, but also a later replacement of the valve type in the context of maintenance or revision work.
  • the various valve types as well as their associated identification features or control algorithms are stored in a tabular form in a memory device 46 assigned to the control unit 12.
  • the self-calibration mode is exited and the valve control device 10 is placed in a normal operating mode provided for normal operation of the hydraulic system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Catching Or Destruction (AREA)

Abstract

Ensemble de distribution (10) pour un véhicule, notamment un engin agricole, comprenant une unité de commande (12) pour exciter une électrovanne (14), l'unité de commande (12), lors de l'activation d'un mode d'auto-étalonnage, interrogeant une caractéristique d'identification associée à l'électrovanne (14), déterminant un type de vanne correspondant à la caractéristique d'identification interrogée et sélectionnant un algorithme de commande associé au type de vanne déterminé pour exciter l'électrovanne (14). Selon l'invention, la caractéristique d'identification est un parcours de réglage caractéristique d'une unité de réglage (18) prévue pour actionner l'électrovanne (14) par électro-aimant.
EP12709591.7A 2011-03-21 2012-03-13 Ensemble de distribution pour un véhicule Active EP2689144B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011005868A DE102011005868A1 (de) 2011-03-21 2011-03-21 Ventilsteuervorrichtung für ein Fahrzeug
PCT/EP2012/054324 WO2012126767A2 (fr) 2011-03-21 2012-03-13 Ensemble de distribution pour un véhicule

Publications (2)

Publication Number Publication Date
EP2689144A2 true EP2689144A2 (fr) 2014-01-29
EP2689144B1 EP2689144B1 (fr) 2019-08-28

Family

ID=45855760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12709591.7A Active EP2689144B1 (fr) 2011-03-21 2012-03-13 Ensemble de distribution pour un véhicule

Country Status (4)

Country Link
US (1) US20140326908A1 (fr)
EP (1) EP2689144B1 (fr)
DE (1) DE102011005868A1 (fr)
WO (1) WO2012126767A2 (fr)

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US10655710B2 (en) 2013-12-31 2020-05-19 Deere & Company Multi-mode infinitely variable transmission that provides seamless shifting
US10670124B2 (en) 2013-12-31 2020-06-02 Deere & Company Multi-mode infinitely variable transmission
DE102014204069A1 (de) * 2014-03-06 2015-09-10 Robert Bosch Gmbh Ventilscheibe
DE102014218525B4 (de) * 2014-09-16 2016-10-13 Te Connectivity Germany Gmbh Elektrisches Regelventil für einen Klimakompressor mit einem Sensor zur Bestimmung der Stellung des Regelkolbens
DE102014224505A1 (de) * 2014-12-01 2016-06-02 Robert Bosch Gmbh Ventil-Betätigungsvorrichtung mit drehsymmetrisch angeordneten Befestigungsmitteln
DE102014224503A1 (de) * 2014-12-01 2016-06-02 Robert Bosch Gmbh Ventil-Betätigungsvorrichtung mit Stellungssensor
DE102014224500A1 (de) * 2014-12-01 2016-06-02 Robert Bosch Gmbh Ventil-Betätigungsvorrichtung mit mehrstufigem Zahnradgetriebe
DE102014224502A1 (de) * 2014-12-01 2016-06-02 Robert Bosch Gmbh Ventil-Betätigungsvorrichtung mit abgedichteter Koppelstange
DE102015001883A1 (de) * 2015-02-13 2016-09-01 Hydac System Gmbh Ventil mit einem in einem Ventilgehäuse längsverfahrbar geführten Steuerschieber
EP3193057A1 (fr) * 2016-01-12 2017-07-19 IMI Hydronic Engineering International SA Actionneur et procédé de reconnaissance de type de soupape
US10619711B2 (en) 2017-04-12 2020-04-14 Deere & Company Infinitely variable transmission with power reverser
US11091018B2 (en) 2018-05-11 2021-08-17 Deere & Company Powertrain with variable vertical drop distance
AU2020220231B2 (en) 2019-02-11 2021-12-09 Koodaideri Innovation & Technology Pty Ltd Remotely controlling a hydraulic system
DE102019203574A1 (de) * 2019-03-15 2020-09-17 Festo Se & Co. Kg Ventilanordnung und Verfahren
US10975959B2 (en) 2019-04-01 2021-04-13 Deere & Company Transmission clutch braking control system
US11137052B2 (en) 2019-08-29 2021-10-05 Deere & Company Transmission assembly with integrated CVP
US11351983B2 (en) 2019-10-31 2022-06-07 Deere & Company Power control system with transmission transient boost function
US11629735B2 (en) 2020-01-28 2023-04-18 Caterpillar Paving Products Inc. Milling machine having a fluid flow based height measurement system
US11692563B2 (en) 2020-01-28 2023-07-04 Caterpillar Paving Products Inc. Milling machine having a valve current based height measurement system
US11578737B2 (en) * 2020-03-12 2023-02-14 Caterpillar Paving Products Inc. Distance based actuator velocity calibration system
US11566387B2 (en) 2020-03-12 2023-01-31 Caterpillar Paving Products Inc. Relative velocity based actuator velocity calibration system
US11325459B2 (en) 2020-10-09 2022-05-10 Deere & Company Low profile transmission assembly with integrated CVP
US11613246B2 (en) 2021-01-21 2023-03-28 Deere & Company Power control system with engine throttle shift function
US11628822B2 (en) 2021-02-09 2023-04-18 Deere & Company Power control system with stall prevention clutch modulation function
US11299141B1 (en) 2021-02-10 2022-04-12 Deere & Company System for multi-layer braking and retardation in a work vehicle
US11820361B2 (en) 2021-11-30 2023-11-21 Deere & Company Transmission assembly with electrical machine unit for improved shift quality
US11585412B1 (en) 2021-12-22 2023-02-21 Deere & Company Electronically-variable, dual-path power shift transmission for work vehicles
US11913528B1 (en) 2022-10-28 2024-02-27 Deere & Company Multi-mode continuously variable transmission assembly with drop set arrangement

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Also Published As

Publication number Publication date
WO2012126767A3 (fr) 2012-11-22
EP2689144B1 (fr) 2019-08-28
WO2012126767A2 (fr) 2012-09-27
DE102011005868A1 (de) 2012-09-27
US20140326908A1 (en) 2014-11-06

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