WO2008009662A1 - Sensorvorrichtung zum erfassen einer relativen position - Google Patents
Sensorvorrichtung zum erfassen einer relativen position Download PDFInfo
- Publication number
- WO2008009662A1 WO2008009662A1 PCT/EP2007/057342 EP2007057342W WO2008009662A1 WO 2008009662 A1 WO2008009662 A1 WO 2008009662A1 EP 2007057342 W EP2007057342 W EP 2007057342W WO 2008009662 A1 WO2008009662 A1 WO 2008009662A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensor
- housing
- sensor device
- sensor element
- transmitter
- Prior art date
Links
Classifications
-
- 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
- G01D5/02—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 mechanical means
- G01D5/06—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 mechanical means acting through a wall or enclosure, e.g. by bellows, by magnetic coupling
Definitions
- the invention relates to a sensor device for detecting a relative position of a first and a second body to each other.
- the invention relates to a sensor device for detecting a shearing movement of the two bodies relative to one another or for detecting a distance of the two bodies from one another.
- the detection of the shearing motion or the distance may be affected by debris getting into an area of the sensor device between the two bodies.
- the object of the invention is to provide a sensor device which is reliable and which is easy to assemble.
- the invention is characterized by a sensor device for detecting a relative position of a first and a second body to each other.
- the sensor device comprises a sensor element, a transmitter element and a connecting element.
- the sensor element is mechanically LAD ⁇ Pelbar to the first body, so that a position of the sensor element is representa tive ⁇ for a position of the first body.
- the Geberele ⁇ ment is mechanically coupled to the second body, so that a position of the donor element is representative of a position of the second body.
- the connecting element is formed elastically.
- the connecting element encloses fer ⁇ ner a gap between the sensor element and the transmitter element or sealingly fills this gap in a sealing manner.
- the sensor element is so formed that a Messsig ⁇ nal of the sensor element is dependent on the relative ⁇ positi on of the donor element to the sensor element.
- the advantage is that the sensor element and the transmitter element are ⁇ by providing the connecting member so verbun each other so that these elements educational a common structural unit, and the sensor device characterized integrally.
- Such a one-piece sensor device is easy to handle and easy to install.
- the sensor device further there is a possibility the sensor element and the sensor element in the manufacture of the sensor device to be disposed in a predetermined rest position to each other and to calibrate the sensor device relative to this predetermined Ru ⁇ heposition. This saves work and thus costs after assembly of the sensor device. Furthermore, such a calibrated sensor device is particularly precise.
- the connecting element is further ensured that no dirt between the sensor element and the donor ⁇ element can get. This prevents the He ⁇ summarize the relative position is affected by the dirt.
- the sensor device can thereby be permanently reliable.
- the elastic design of the Verbin ⁇ manure elements, the sensor element and the sensor element are arranged to each other ⁇ movable so that a shearing motion and / or a change of a distance of the transmitter element and the sensor element to each other is possible.
- the transmitter element is a magnet and the sensor element is a Hall sensor. This is particularly advantageous for a Erfas ⁇ sen of the shearing motion of the donor element sorelement relative to the transmitter. Furthermore, such a sensor device is particularly simple and reliable.
- the transmitter element is an electrically conductive body and the sensor element is a magnetic coil.
- the sensor element is a magnetic coil.
- the connecting element is an elastomeric body which fills the intermediate space between the sensor element and the transmitter element.
- the Geberele ⁇ ment and / or the sensor element are embedded in the elastomeric body.
- the transmitter element and / or the sensor element are cast into the elastomer body or the transmitter element and / or the sensor element are encapsulated with the elastomer of the connecting element.
- the sensor device is so very easy and inexpensive to produce.
- the connecting element is a corrugated membrane which sealingly encloses the intermediate space between the sensor element and the transmitter element.
- the sensor device comprises at least one Monta ⁇ mate, which is provided between a donor element housing, in which the donor element is arranged, and a sensor element housing, in which the sensor element is arranged, for receiving between the donor element housing and the sensor element housing acting axial forces during assembly of the sensor device.
- the assembly aid ⁇ a segment ring or mounting clip. This is very easy.
- a segment ring or mounting clip can be designed and arranged on the sensor device such that the mounting aid can be removed very easily after assembly.
- the sensor device comprises a GeberelementgePFu ⁇ se, in which the transmitter element is arranged, and the sensor device comprises a sensor element housing, in which the sensor element is arranged.
- the encoder element housing and / or the sensor element housing have at least one Klippverschluß on fastening the donor element housing or the sensor element ⁇ housing as the first or the second body by clipping.
- the sensor device comprises a GeberelementgePFu ⁇ SE, in which the transmitter element is arranged, and the sensor device comprises a sensor element housing, in which the sensor element is arranged senor.
- the donor element housing and / or the sensor element housing have at least one fastening tab on ⁇ for attaching the transducer element housing Bezie ⁇ hung example of the sensor element housing at the first Bezie ⁇ hung as the second body by screwing.
- the sensor device is so easy and reliable to the respective body mountable.
- the sensor device comprises a GeberelementgePFu ⁇ SE, in which the transmitter element is arranged, and the sensor device comprises a sensor element housing, in which the sensor element is arranged senor.
- the transmitter element housing and / or the sensor element housing are designed for fastening the transmitter element housing or the SensorelementgePFu ⁇ ses on the first or on the second body by pressing into a recess of the respective body.
- FIG. 1 shows a first embodiment of the sensor device
- Figure 2 shows a second embodiment of the sensor device
- FIG 3 shows a third embodiment of the sensor device.
- a first embodiment of the sensor device comprises a sensor element 1, which is arranged in a sensor element housing 2 angeord ⁇ net, and a donor element 3, the housing in a Geberelementge- 4 is arranged ( Figure 1).
- the sensor device further comprises a connecting element 5, which is elastically refined ⁇ forms and encloses a gap between the sensor element 1 and the donor element 3 sealing or you ⁇ tend fills.
- the sensor device is designed such that a measurement signal of the sensor element 1 is dependent on a relative position of the encoder element 3 to the sensor element 1.
- the sensor element 1 is designed, for example, as a Hall sensor 6.
- the transmitter element 3 is designed, for example, as a magnet 7.
- the Hall sensor 6 detects a current position of the magnet 7 depending on a magnetic field which is generated by the magnet 7 and which penetrates the Hall sensor 6.
- the sensor apparatus is particularly suitable for detecting the shearing movement between the magnet 7 and the Hall sensor 6.
- the relative position is Auslenkungsbe ⁇ range from about one to five millimeters to a predetermined rest position very accurately detectable in particular in a.
- the sensor element 1 may also be formed as a magnetic coil.
- the transmitter element 3 is then formed as a elekt ⁇ driven conductive body.
- An alternating magnetic field is he witnesses ⁇ by appropriate actuation of the solenoid coil, which produces a vortex Ström in the electrically conductive body.
- the alternating magnetic field is attenuated.
- the distance between the transmitter element 3 and the sensor element 1 can thus be detected as a function of the damping of the alternating magnetic field.
- Such a sensor device is therefore especially suitable for detecting a distance or a proximity ⁇ tion of the transmitter element 3 and the sensor element. 1
- the connecting element 5 is preferably designed as a Elastomerkör ⁇ per 8.
- different materials for the Elasto ⁇ mer are suitable. The higher, for example, the forces that may possibly act on the sensor device, the stiffer the elastomer can be selected.
- Prefers the stiffness of the elastomer is chosen so that the Ver ⁇ change in the relative position between the sensor element 1 and the transmitter element 3 through the connecting element 5 in the We ⁇ sentlichen is unaffected.
- the elastomer body 8 may be made of silicone, fluoropolymer rubber, or short: FKM, ethylene-propylene-diene rubber, or EPDM for short, acrylonitrile-butadiene rubber, or NBR for short, or one or be prepared several other elastomers.
- the sensor element 1 and the transmitter element 3 are preferably cast in each case in a potting compound 9 in the sensor element housing 2 or in the transmitter element housing 4. Be ⁇ it is particularly advantageous if the potting compound 9 is formed by the elastomer body 8.
- the transmitter are sorelement 1 and / or the sensor element 3 is poured into the Elastomerkör ⁇ per 8 or encapsulated by the elastomer of the elastomeric body. 8 Characterized the sensor element 1 are rela ⁇ hung as the transmitter element 3 embedded in the elastomer body 8 turned ⁇ .
- the potting compound 9 may also be formed by another material.
- a plug 10 for electrically contacting the sensor device and possibly also an electronic sensor circuit is cast in the potting compound 9 in the sensor element housing 2.
- a cable may also be cast into the potting compound 9 or otherwise fixed to the sensor element housing 2 for contacting the sensor device.
- the sensor device serves to detect a relative position of two bodies with respect to one another, which is variable, in particular, by the shearing movement or by the change in the distance between the sensor element 3 and the sensor element 1.
- the sensing element housing 2 is to be mechanically coupled with a first body 12 and is preferably introduced in an off ⁇ recess 11 of the first body 12 and possible attached to this without play.
- a position of the sensor element 1 is representative of a position of the first body 12.
- the donor element housing 4 is correspondingly mecha ⁇ cally to a second body 14 coupled to and is preference, in a recess 13 of the second body 14 is ⁇ introduced and, if possible without play against attached to this.
- a position of the transmitter element 3 is representative of a position of the second body 14.
- the sensing element housing 2 for example Minim ⁇ least purpose has a fastening tab 15 through which the Sensorele ⁇ ment housing 2 is fixed to the first body 12 by screwing by means of at least a screw 16.
- the encoder element housing 4 is for example in the recess 13 of the second body 14 pressed so that no further fastening means is required.
- a mounting aid 17 which is designed such that during the assembly occurring axial forces Zvi ⁇ rule the sensor element housing 2 and the transmitter element housing
- the mounting aid 17 is further preferred as being ⁇ is that it is removable from the sensor device after the assembly of the sensor device simple, for example by breaking, cutting, milling, or cutting.
- the mounting aid 17 is preferably formed as a segmented ring or Monta ⁇ clipped, which is arranged between the donor element housing 4 and the sensor element housing 2 and is easy to remove after assembly, for example by bending and peeling or canceling the segment ring or Montageklipps. After removal of the mounting aid 17, the transmitter element housing 4 and the sensor element housing 2 are then mutually movable together with the respective body.
- the elastically formed connecting element 5 allows that shearing motion and / or variation of the distance of the first body 12 and second body 14 and thus of the Sen ⁇ sorelements 1 and the sensor element 3 to each other.
- Figure 2 shows a second embodiment of the sensor device, which essentially differs from the first embodiment of the sensor device according to Figure 1 that the transmitter element housing 4 which has at least a Fixed To ⁇ supply flap 15 and through the at least one screw be 16 to the second body is fastened and that the sensor element housing 2 is pos ⁇ lichst no play in the recess 11 of the first body 12 without additional fastening means.
- the sensor element housing 2 is pressed into the recess 11 of the first body 12.
- FIG 3 shows a third embodiment of the sensor device which differs from the first embodiment of the sensor device according to Figure 1 substantially in that, instead of the elastomer body 8 is a corrugated diaphragm is seen 18 before ⁇ which forms the connecting element. 5
- the corrugated membrane 18 is formed so that a shearing movement and / or a change in the distance in the axial direction between the encoder element 3 and the sensor element 1 is possible.
- the corrugated membrane 18 is formed and arranged so that it encloses the gap between the sensor element 1 and the donor element 3 in a sealing manner. This reliably prevents dirt from getting into this space, the A ⁇ penetrate.
- both the sensor element housing 2 and the encoder element housing 4 each have at least one Have fastening tab 15 and that both the sensor ⁇ element housing 2 and the encoder element housing 4 by ⁇ at least one screw 16 to the respective body be ⁇ festigbar.
- both the sensor element housing 2 and the encoder element housing 4 in the respective recess of the respective body are einpress ⁇ bar.
- the connecting element 5 can also be designed differently.
- At least one clip closure can be provided on the sensor element housing 2 and / or on the transmitter element housing 4 for fastening the transmitter element housing 4 or the sensor element housing 2 to the respective body by clipping.
- a sensor device is mon ⁇ tierbar loading Sonder simply and without additional fasteners.
- the transmitter element 3 and the sensor element 1 are preferably already arranged in a predetermined rest position relative to one another by the connecting element 5 during the production of the sensor device.
- the sensor device is preferably already in their Her ⁇ position with respect to the predetermined rest position riert first calibrated. As a result, if appropriate, the calibration of the sensor device after mounting the sensor device on the first and the second body 12, 14 can be dispensed with.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112007001588T DE112007001588A5 (de) | 2006-07-19 | 2007-07-17 | Sensorvorrichtung zum Erfassen einer relativen Position |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006033469.8 | 2006-07-19 | ||
DE200610033469 DE102006033469A1 (de) | 2006-07-19 | 2006-07-19 | Sensorvorrichtung zum Erfassen einer relativen Position |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008009662A1 true WO2008009662A1 (de) | 2008-01-24 |
Family
ID=38596593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/057342 WO2008009662A1 (de) | 2006-07-19 | 2007-07-17 | Sensorvorrichtung zum erfassen einer relativen position |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102006033469A1 (de) |
WO (1) | WO2008009662A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202014104026U1 (de) | 2014-08-28 | 2015-12-06 | Effbe Gmbh | Belastungs- und Verformungssensor für elastische Bauteile |
DE102016215066A1 (de) * | 2016-08-12 | 2018-02-15 | Voith Patent Gmbh | Überwachen einer Relativbewegung zweier Elemente |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5258931A (en) * | 1988-07-08 | 1993-11-02 | Parker-Hannifin Corporation | Precision electronic absolute and relative position sensing device and method of using same |
DE19701069A1 (de) * | 1997-01-15 | 1998-07-16 | Bosch Gmbh Robert | Vorrichtung zur Messung des Bremspedalwegs |
US20030000307A1 (en) * | 2000-01-13 | 2003-01-02 | Peter Lohberg | Linear distance sensor and the use thereof as actuator for motor vehicles |
US20030011365A1 (en) * | 2001-06-19 | 2003-01-16 | Harry Skarpil | Magnetic field sensor, and a method for producing such a sensor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5619133A (en) * | 1989-01-11 | 1997-04-08 | Nartron Corporation | Single coil position and movement sensor having enhanced dynamic range |
AT409304B (de) * | 1999-09-24 | 2002-07-25 | Anton Paar Gmbh | Rotationsrheometer |
DE112004000886D2 (de) * | 2003-03-14 | 2006-02-09 | Wet Automotive Systems Ag | Bendieneinrichtung für ein Kraftfahrzeug |
-
2006
- 2006-07-19 DE DE200610033469 patent/DE102006033469A1/de not_active Withdrawn
-
2007
- 2007-07-17 DE DE112007001588T patent/DE112007001588A5/de not_active Withdrawn
- 2007-07-17 WO PCT/EP2007/057342 patent/WO2008009662A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5258931A (en) * | 1988-07-08 | 1993-11-02 | Parker-Hannifin Corporation | Precision electronic absolute and relative position sensing device and method of using same |
DE19701069A1 (de) * | 1997-01-15 | 1998-07-16 | Bosch Gmbh Robert | Vorrichtung zur Messung des Bremspedalwegs |
US20030000307A1 (en) * | 2000-01-13 | 2003-01-02 | Peter Lohberg | Linear distance sensor and the use thereof as actuator for motor vehicles |
US20030011365A1 (en) * | 2001-06-19 | 2003-01-16 | Harry Skarpil | Magnetic field sensor, and a method for producing such a sensor |
Also Published As
Publication number | Publication date |
---|---|
DE112007001588A5 (de) | 2009-07-30 |
DE102006033469A1 (de) | 2008-01-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0346335B2 (de) | Messaufnehmer | |
DE112014004117B4 (de) | Mit magnetischer Skala ausgestattete Bewegungsführungsvorrichtung | |
EP2025213B1 (de) | Sensorbaugruppe mit einem an einer wand montierbaren gehäuse | |
DE102006042680B4 (de) | Drucksensor | |
WO2006005769A1 (de) | Sensor für kraftfahrzeuge | |
DE4320939A1 (de) | Dichtung | |
EP2877375B1 (de) | Verfahren zum herstellen eines ultraschallsensors für ein kraftfahrzeug, ultraschallsensor und kraftfahrzeug | |
EP2689215B1 (de) | Weggeber und zugehörige pedaleinheit | |
EP2616836A1 (de) | ANORDNUNG MIT EINEM STOßFÄNGER UND EINEM ULTRASCHALLSENSOR UND FAHRZEUG MIT EINER DERARTIGEN ANORDNUNG | |
DE102007060604A1 (de) | Magnetfeld-Sensorelement | |
DE19937195B4 (de) | Ultraschallwandler | |
EP3220116B1 (de) | Kraftsensorvorrichtung | |
WO2008009662A1 (de) | Sensorvorrichtung zum erfassen einer relativen position | |
EP2014520A1 (de) | Elektrisches Gerät für ein Kraftfahrzeug, insbesondere Airbag-Sensor | |
DE102016217406B4 (de) | Verfahren zur Einstellung eines Anschlagelements sowie Einstellmittel | |
EP3444573B1 (de) | Schallkopf für einen durchflussmesser mit ausziehmitteln | |
EP1597125B1 (de) | Drucksteuergerät | |
WO2008148652A2 (de) | Schnell montierbares sensorgehäuse für sensoren mit luftkontakt | |
DE102015226113A1 (de) | Sensorvorrichtung und Sensorsystem | |
DE102004021382B4 (de) | Befestigungselement für einen Sensorkopf | |
DE102019200029A1 (de) | Winkelsensor | |
EP4156707A1 (de) | Zugangselement für medien an einem sensor sowie sensor mit einem derartigen zugangselement | |
DE102018102991B3 (de) | Bedienelement | |
WO2021160639A1 (de) | Leiterplattenanordnung und verfahren zum herstellen einer leiterplattenanordnung | |
DE202005014666U1 (de) | Sensor zur Richtungserkennung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07787608 Country of ref document: EP Kind code of ref document: A1 |
|
DPE1 | Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1120070015888 Country of ref document: DE |
|
NENP | Non-entry into the national phase |
Ref country code: RU |
|
REF | Corresponds to |
Ref document number: 112007001588 Country of ref document: DE Date of ref document: 20090730 Kind code of ref document: P |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 07787608 Country of ref document: EP Kind code of ref document: A1 |