WO2016162328A1 - Capteur de déplacement linéaire pour un tiroir de soupape d'une soupape hydraulique, en particulier à ajustement constant, et soupape hydraulique comprenant le capteur de déplacement linéaire - Google Patents

Capteur de déplacement linéaire pour un tiroir de soupape d'une soupape hydraulique, en particulier à ajustement constant, et soupape hydraulique comprenant le capteur de déplacement linéaire Download PDF

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Publication number
WO2016162328A1
WO2016162328A1 PCT/EP2016/057415 EP2016057415W WO2016162328A1 WO 2016162328 A1 WO2016162328 A1 WO 2016162328A1 EP 2016057415 W EP2016057415 W EP 2016057415W WO 2016162328 A1 WO2016162328 A1 WO 2016162328A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
housing
hydraulic valve
measuring coil
linear transducer
Prior art date
Application number
PCT/EP2016/057415
Other languages
German (de)
English (en)
Inventor
Stefan DUBRAU
Thorsten Beck
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 WO2016162328A1 publication Critical patent/WO2016162328A1/fr

Links

Classifications

    • 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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603—Multiple-way valves
    • F16K31/061—Sliding valves
    • F16K31/0613—Sliding valves with cylindrical slides
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
    • F16K31/0679—Electromagnet aspects, e.g. electric supply therefor with more than one energising coil
    • 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
    • F16K37/0041—Electrical or magnetic means for measuring valve parameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
    • G01D5/202—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by movable a non-ferromagnetic conductive element
    • 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
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • 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
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B2013/0409—Position sensing or feedback of the valve member

Definitions

  • the invention relates to a linear transducer according to the preamble of
  • Linear position sensors in particular those which are suitable for detecting the travel of a valve slide of a continuously adjustable slide valve, require an adjustment of the displacement transducer to a middle position and / or zero position of the displacement transducer
  • Valve spool depending on whether a double-acting or single-acting operation of the valve spool is present.
  • Known solutions see for example before adjusting devices that increase a structural length of the transducer, which in turn results in a further increase in a structural length of the slide valve with the transducer.
  • the invention is based on the object to provide a linear transducer for a valve spool one, in particular continuously adjustable, hydraulic valve with reduced space requirements.
  • This object is achieved by a linear displacement transducer having the features of patent claim 1.
  • a further object of the present invention is to provide a hydraulic valve which, despite the use of a linear displacement transducer for a valve slide of a, in particular continuously adjustable, hydraulic valve has a small footprint.
  • Patent claim 8 Advantageous developments of the invention are described in the subclaims.
  • Middle position or a zero position contains a housing and a longitudinally displaceably mounted in the housing measuring coil.
  • the linear transducer according to the present invention includes an actuator and a spring element.
  • the measuring coil is longitudinally displaceable by means of the adjusting device against a spring force of the spring element and thus adjustable in its relative longitudinal position to the valve spool.
  • the adjusting device is designed as a closure cover of the housing. This will make a linear
  • Position transducer made available with a small footprint, since the inventively designed adjusting device not only does not protrude beyond the housing, but also allows the use of a compact housing.
  • the linear transducer has an at least partially, in particular predominantly, arranged in the housing sensor pressure tube on which the measuring coil is mounted longitudinally displaceable. This further contributes to the compact design of the
  • Linear transducer since the sensor pressure tube not only supports the measuring coil, but also provides in its interior space for a one-piece or multi-piece extended valve spool whose movement is detectable in the sensor pressure tube of the measuring coil.
  • the sensor pressure tube in particular with its one end, pressed into a bottom of the housing and sealed fluid-tight.
  • a stable position of the sensor pressure tube is ensured and protected the housing interior from the ingress of fluid.
  • the sensor pressure tube has a high pressure resistance and is thus suitable for high pressure applications.
  • the measuring coil is supported by the spring element against the housing.
  • the spring element may have one or more resilient elements, for example, be formed as a coil spring or a plate spring package.
  • closure lid has an inwardly projecting
  • Sensor pressure tube recorded, in particular that which is opposite to the pressed-one end in the ground.
  • the sensor pressure tube is supported at both ends and thereby stabilized.
  • the housing by means of the closure lid tight, in particular fluid-tight, closed. In this way, the housing interior, in particular the
  • the closure lid is fixable in its position, in particular with at least one grub screw, which can be screwed radially on the circumference of the closure lid in the housing and can clamp a portion of the closure lid.
  • at least one grub screw which can be screwed radially on the circumference of the closure lid in the housing and can clamp a portion of the closure lid.
  • An inventive hydraulic valve in particular continuously adjustable, with a
  • Valve slide contains a linear transducer according to one of claims 1 to 7.
  • the measuring coil is adjustable by means of the closure lid, in particular to a
  • Equipped according to the invention Linear Wegaufford.
  • the advantage of the compact transducer can be used as in the above-mentioned slide valve.
  • a valve bore of the hydraulic valve by means of the housing, in particular by means of its bottom, fluid-tight manner closed.
  • the housing in particular by means of its bottom, fluid-tight manner closed.
  • the housing of the displacement transducer in particular its bottom, a projection projecting into the valve bore and / or a sealing means.
  • the sealing means which is formed for example as an O-ring or as a sealant, for fluidic sealing of the valve bore to the housing between the housing and
  • the linear displacement sensor can be releasably attached to the hydraulic valve, in particular the housing is screwed to the hydraulic valve.
  • the linear transducer is at another end of the linear transducer
  • Hydraulic valve arranged as a solenoid for the valve spool.
  • the measuring coil has a magnetic shield, so that the linear displacement sensor can be mounted close to the lifting magnet.
  • the solenoid is double-acting and the valve spool has a central position.
  • FIG. 1 shows a longitudinal section of a three-dimensional front view of a
  • FIG 2 shows an inventive continuously adjustable hydraulic valve with a valve spool, in which the transducer according to Figure 1 is used. Detailed description of the illustrated embodiments
  • Position transducer 1 has a housing 2, in the bottom 4 of which a sensor pressure tube 6 is pressed in at one end and sealed in a fluid-tight manner.
  • a measuring coil 8 is mounted longitudinally displaceable, wherein the measuring coil 8 is provided here with a magnetic shield 9.
  • the measuring coil 8 is supported on the housing 2 via a spring element 10, in this case a cup spring package.
  • a closure lid 12, by means of which the housing is tightly closed, has an inwardly projecting
  • valve spool 16 of a (not shown here) hydraulic valve is accommodated, wherein the valve spool 16 - extended accordingly - may be made in one piece, or with a valve attached to the valve slide 16 corresponding extension, preferably an armature 17, can be made in several pieces.
  • the movement in the sensor pressure tube 6 movable valve slide 16 and the armature 17 causes with its movement a change in the magnetic field of the measuring coil 8, which is detectable and forwarded to a detection / evaluation and thus interpreted as Wegußer path of the valve spool 16.
  • the armature 17 has a rod core, which upon movement of the
  • the closure lid 12 is designed as an adjusting device, by means of which
  • Measuring coil 8 against a spring force of the spring element 10 is longitudinally displaceable.
  • the closure lid is fixable in position with grub screws 18.
  • the measuring coil 8 is moved against the spring force of the spring element 10 along the sensor pressure tube 6 in the direction of the bottom 4 when screwing the closure cover 12 over the tube extension 14.
  • linear displacement transducer 1 is at a continuously adjustable
  • Valve spool 16 used, as shown in Figure 2 the measuring coil 8 is advantageously set to a center position of the valve spool 16. This is preferably the middle position when the valve spool 16 is not actuated, which is also shown in FIG.
  • the middle position results from an interaction of a first spring 24 and a second spring 26 which act counter to one another on an actuating element 28 of the valve slide 16 and set in the de-energized state of the solenoid 22 just the center position of the valve spool 16.
  • an inlet 30 of the hydraulic valve 20 is closed by means of the valve spool 16 and thus a
  • Spring 24 is a fluid connection made from the inlet 30 to the first outlet 32 and a fluid connection from the second outlet 34 to a (not shown) pressure medium sinks.
  • the valve spool 16 is arranged in a valve bore 36 of the hydraulic valve 20.
  • the valve bore 36 is closed in a fluid-tight manner by means of the housing 2, in particular by means of its bottom 4, the base 4 having an extension 38 projecting into the valve bore 36.
  • Hydraulic valve 20 is a sealing means 40, here an O-ring, arranged for sealing the valve bore 36 to the housing 2.
  • the linear transducer 1 is arranged at another end of the hydraulic valve 20 than the solenoid 22, so that a magnetic shield of the measuring coil 8 is not required.
  • a linear transducer for a hydraulic valve in particular continuously adjustable and slide-type, wherein by means of the adjusting device contained in the displacement transducer, a measuring coil of the transducer to a central position of the
  • Valve spool is adjustable in the hydraulic valve.
  • the actuator is as a

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Abstract

L'invention concerne un capteur de déplacement linéaire pour un tiroir de soupape (16) d'une soupape hydraulique (20), en particulier à ajustement constant, le tiroir de soupape (16) présentant en particulier une position centrale ou une position zéro. Le capteur de déplacement linéaire présente un boîtier (2), une bobine de mesure (8) montée de manière à pouvoir être déplacée par coulissement longitudinalement dans le boîtier (2), un dispositif de réglage (12) et un élément de ressort (10), la bobine de mesure (8) pouvant être déplacée par coulissement longitudinalement à l'encontre d'une force de ressort de l'élément de ressort (10) au moyen du dispositif de réglage (12). Le dispositif de réglage est réalisé sous la forme d'un couvercle de fermeture (12) du boîtier (2). L'invention concerne par ailleurs une soupape hydraulique, en particulier à ajustement constant, comprenant un tiroir de soupape (16) et un capteur de déplacement linéaire. La bobine de mesure (8) peut être réglée au moyen du couvercle de mesure (12), en particulier sur une position centrale ou une position zéro du tiroir de soupape (16).
PCT/EP2016/057415 2015-04-10 2016-04-05 Capteur de déplacement linéaire pour un tiroir de soupape d'une soupape hydraulique, en particulier à ajustement constant, et soupape hydraulique comprenant le capteur de déplacement linéaire WO2016162328A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015206401.8A DE102015206401A1 (de) 2015-04-10 2015-04-10 Linearer Wegaufnehmer für einen Ventilschieber eines, insbesondere stetig verstellbaren, Hydraulikventils und Hydraulikventil mit dem linearen Wegaufnehmer
DE102015206401.8 2015-04-10

Publications (1)

Publication Number Publication Date
WO2016162328A1 true WO2016162328A1 (fr) 2016-10-13

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Family Applications (1)

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PCT/EP2016/057415 WO2016162328A1 (fr) 2015-04-10 2016-04-05 Capteur de déplacement linéaire pour un tiroir de soupape d'une soupape hydraulique, en particulier à ajustement constant, et soupape hydraulique comprenant le capteur de déplacement linéaire

Country Status (2)

Country Link
DE (1) DE102015206401A1 (fr)
WO (1) WO2016162328A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114674674A (zh) * 2022-05-26 2022-06-28 四川航天拓达玄武岩纤维开发有限公司 一种玄武岩纤维管材质检用线性测量装置及测量方法
CN114787547A (zh) * 2020-03-09 2022-07-22 金子产业株式会社 电磁阀

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019003185A1 (fr) * 2017-06-29 2019-01-03 Eaton Intelligent Power Limited Système et procédé de diagnostic de soupape
US11286017B2 (en) * 2018-12-27 2022-03-29 Msns, Llc Adjustable brake lever sensor system
CN111120721A (zh) * 2020-01-22 2020-05-08 中国核动力研究设计院 用于稳压器安全阀的阀位测量系统及阀位传感器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9208939U1 (de) * 1992-07-03 1992-09-17 Elektroteile GmbH, 78333 Stockach Schaltmagnet mit induktivem Stellungsgeber
DE19724076A1 (de) * 1997-06-07 1998-12-10 Bosch Gmbh Robert Elektromagnetische Stelleinrichtung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9208939U1 (de) * 1992-07-03 1992-09-17 Elektroteile GmbH, 78333 Stockach Schaltmagnet mit induktivem Stellungsgeber
DE19724076A1 (de) * 1997-06-07 1998-12-10 Bosch Gmbh Robert Elektromagnetische Stelleinrichtung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114787547A (zh) * 2020-03-09 2022-07-22 金子产业株式会社 电磁阀
CN114787547B (zh) * 2020-03-09 2024-04-23 金子产业株式会社 电磁阀
CN114674674A (zh) * 2022-05-26 2022-06-28 四川航天拓达玄武岩纤维开发有限公司 一种玄武岩纤维管材质检用线性测量装置及测量方法
CN114674674B (zh) * 2022-05-26 2022-09-06 四川航天拓达玄武岩纤维开发有限公司 一种玄武岩纤维管材质检用线性测量装置及测量方法

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