WO2014094753A1 - Sensoranordnung und verfahren zur herstellung einer sensoranordnung - Google Patents
Sensoranordnung und verfahren zur herstellung einer sensoranordnung Download PDFInfo
- Publication number
- WO2014094753A1 WO2014094753A1 PCT/DE2013/200287 DE2013200287W WO2014094753A1 WO 2014094753 A1 WO2014094753 A1 WO 2014094753A1 DE 2013200287 W DE2013200287 W DE 2013200287W WO 2014094753 A1 WO2014094753 A1 WO 2014094753A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- receiving unit
- sensor
- cover element
- sensor arrangement
- arrangement
- 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
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
Definitions
- the invention relates to a sensor arrangement with a sensor housing and a sensor arranged therein, wherein the sensor housing has a receiving unit for receiving the sensor and a cover element for closing the
- Recording unit in the region of the arrangement of the sensor comprises.
- the invention further relates to a method for producing a
- Sensor arrangement comprising a sensor housing and a sensor arranged therein, wherein the sensor housing comprises a receiving unit for receiving the sensor and a cover element for closing the receiving unit in the region of the arrangement of the sensor.
- Sensor arrangements are generally known from the prior art, which comprise a sensor arranged in a sensor housing.
- the sensor housing comprises a receiving unit for the sensor.
- the receiving unit is provided in the region of the arrangement of the sensor with a cover element.
- the invention is based on the object to provide a comparison with the prior art improved sensor arrangement and a method for producing a sensor arrangement.
- the object is achieved by the features specified in claim 1 and in terms of the method by the features specified in claim 7.
- the sensor arrangement comprises a sensor housing and a sensor arranged therein, wherein the sensor housing comprises a receiving unit for receiving the sensor and a cover element for closing the receiving unit in the region of the arrangement of the sensor.
- the cover element completely surrounds at least one end portion of a lateral surface of the receiving unit, wherein a cross section of the cover element and a cross section of the receiving unit are formed at least in the joining region of the cover element such that the cover element in a starting position with a clearance fit on the
- Receiving unit is arranged and at least partially abuts in an end position rotated by relative to the receiving unit end position with an inner side on a lateral surface of the receiving unit in the joining region.
- the cover element is arranged in the starting position with the clearance on the receiving unit due to the formation of the lid member and the receiving unit in the joining region, so that the
- the lid member comprises a corresponding to the at least one fixing element molding.
- At least one fixing element projects inward on the inside of the cover element, wherein the
- Outer surface of the receiving element comprises a corresponding to the at least one fixing element molding. This, too, represents a particularly simple and targeted design of the cover element and the receiving unit in the joining area in order to realize the clearance fit in the starting position and the contact areas in the end position.
- the cover element is welded in the end position with the receiving unit, wherein the welding is formed in particular in the region of the at least one fixing element and the at least one formation with the receiving unit.
- the cover element is made of a material used in a laser welding process
- the sensor housing comprises a receiving unit for receiving the sensor and a lid member for closing the receiving unit in the region of the arrangement of the sensor, the lid member according to the invention at least arranged an end portion of a lateral surface of the receiving unit completely surrounding.
- the lid member is a cross section of the lid member and a cross section of
- Receiving unit formed at least in the joining region of the lid member such that the lid member in a starting position with a
- the lid member is rotated relative to the receiving unit in an end position, that the lid member at least partially abuts with an inner side on a lateral surface of the receiving unit in the joining region and in the
- the rotation allows the production of the contact areas, so that defined surface pressures are generated between the cover element and the receiving unit.
- the surface pressures generated allow the implementation of a laser welding process and thus a secure connection of the
- the cover element Due to the clearance fit of the cover element and the receiving unit in the starting position, the surface pressures do not occur in the starting position and during the joining of the cover element. As a result, the joining forces are decoupled from the forces required to produce the surface pressures, so that no joining force damaging the sensor is applied to the latter and a mechanical loading of the sensor is minimized.
- the cover element is welded in the end position with the receiving unit, wherein the welding is generated in particular in the investment areas.
- FIG. 1 shows schematically a perspective view of a first
- FIG. 2 schematically shows a perspective view of the sensor arrangement according to FIG.
- FIG. 1 with mounted cover element
- FIG. 3 schematically shows a side view of a second exemplary embodiment of a sensor arrangement according to the invention with mounted cover element
- FIG. 4 schematically shows a longitudinal section of the sensor arrangement according to FIG. 3,
- FIG. 5 schematically shows a cross section of the sensor arrangement according to FIG. 3
- FIG. 2 schematically a side view of a third exemplary embodiment of a sensor arrangement according to the invention with mounted cover element, FIG.
- FIG. 7 schematically shows a longitudinal section of the sensor arrangement according to FIG. 6,
- FIG. 8 schematically shows a cross section of the sensor arrangement according to FIG. 6,
- FIG. 9 schematically shows a cross section of a fourth exemplary embodiment of a sensor arrangement according to the invention with mounted cover element, wherein the cover element is arranged in a starting position
- FIG. 10 shows schematically a cross section of the sensor arrangement according to FIG. 9, wherein the cover element is arranged in an end position
- FIG. 11 schematically shows a perspective view of a circular wedge in a first position
- FIG. 12 schematically shows the circular wedge according to FIG. 11 in a second position
- FIG. 13 shows schematically a plan view of the circular wedge according to FIG. 12
- FIG. 12 schematically shows the circular wedge according to FIG. 11 in a second position
- FIG. 13 shows schematically a plan view of the circular wedge according to FIG. 12
- FIG. 12 schematically shows the circular wedge according to FIG. 11 in a second position
- FIG. 13 shows schematically a plan view of the circular wedge according to FIG. 12
- FIG. 12 schematically shows the circular wedge according to FIG. 11 in a second position
- FIG. 13 shows schematically a plan view of the circular wedge according to FIG. 12
- FIG. 12 schematically shows the circular wedge according to FIG. 11 in a second position
- FIG. 14 schematically shows a plan view of the circular wedge according to FIG. 11 in a third position.
- the sensor arrangement 1 is designed as a so-called sensor dome and formed of plastic.
- the sensor arrangement 1 comprises a sensor housing 2 and a sensor housing 2 therein
- the sensor housing 2 comprises a receiving unit 4 designed as an elongated and frusto-conical sensor dome body for receiving the sensor 3.
- a receiving unit 4 designed as an elongated and frusto-conical sensor dome body for receiving the sensor 3.
- Sensor arrangement 1 further comprises an electrical supply line for connecting the sensor.
- the sensor housing 2 comprises a cover element 5 for closing the receiving unit 4 in the region of the arrangement of the sensor 3 and for covering the sensor 3.
- the cover element 5 completely surrounds an end portion of a lateral surface of the receiving unit 4, the cover element 5 and the Receiving unit 4 have a mutually corresponding geometry.
- the end-side subregion forms a joining region F, in which a diameter of the receiving unit 4 for the arrangement of the cover element 5 with respect to the other regions is reduced.
- This secure fastening is produced by means of a welding of the cover element 5 with the receiving unit 4, which is generated in a laser welding process.
- a welding of the cover element 5 with the receiving unit 4 which is generated in a laser welding process.
- the cover element 5 and the receiving unit 4 are formed according to the prior art such that a radial interference fit or press fit between the cover member 5 and the receiving unit 4 is formed.
- this interference fit requires a certain joining force, which acts on the sensor 3 when the cover element 5 rests on it and thus mechanically loads the sensor 3.
- the cover member 5 and the receiving unit 4 in the illustrated embodiment of the sensor assembly 1 according to the invention are formed such that a radial clearance fit between the cover member 5 and the receiving unit 4 is formed. That is, the lid member 5 is first placed on the receiving unit 4 such that between the receiving unit 4 and the lid member 5, at least in the radial direction a game occurs.
- the receiving unit 4 comprises two fixing elements 4.1, 4.2 arranged on an outer side of its lateral surface, which project from the lateral surface.
- Fixing 4.1, 4.2 are formed in the illustrated first embodiment as cuboidal formations.
- the cover element 5 comprises with the fixing elements 4.1, 4.2 corresponding formations 5.1, 5.2.
- the cover element 5 is rotated after placement in the starting position so relative to the receiving unit 4 in an end position that in the direction of rotation of the lid member 5 in generated contact areas of the formations 5.1, 5.2 to the
- the lid member 5 is formed of a material permeable to laser beams used in the laser welding process.
- the receiving unit 4 is at least partially melted on its outer side, with a resulting melt optionally existing free spaces between the cover element 5 and the
- Capture unit 4 closes and after a curing of the melt, a cohesive and fluid-tight connection between the cover member 5 and the receiving unit 4 is formed.
- Lid element 5 are on the one hand only low joining forces required and on the other hand, the joining forces are decoupled from the forces required to produce the surface pressures, so that no sensor 3 damaging joining force is applied to this and a mechanical load on the sensor 3 is minimized.
- FIGS. 3 to 5 show a second embodiment of the invention
- inventive sensor arrangement 1 in different views.
- the receiving unit 4 comprises three arranged on the outside of its lateral surface fixing elements 4.1, 4.2, 4.3, which from the Protruding outside surface.
- the fixing 4.1, 4.2, 4.3 form a sawtooth-like shape.
- the lid member 5 includes with the
- the cover element 5 is rotated after placement in the starting position so relative to the receiving unit 4 in an end position that in the direction of rotation of the cover member 5 in generated contact areas of the formations 5.1, 5.2, 5.3 to the
- Fixing elements 4.1, 4.2, 4.3 defined surface pressures are generated.
- Recording unit 4 performed in the investment areas.
- FIGS. 6 to 8 show a third exemplary embodiment of the sensor arrangement 1 according to the invention in various views.
- the receiving unit 4 is formed as an elongated cylindrical sensor dome body.
- the cover element 5 comprises two
- Fixing elements 5.4, 5.5 which project on the inside of the lid member 5 inward. In the lateral surface of the receiving element 4 two with the fixing elements 5.4, 5.5 corresponding formations 4.4, 4.5 are introduced.
- a size of the formations 4.4, 4.5 is designed such that a defined radial movement of the fixing elements 5.4, 5.5 within the
- the cover element 5 is again rotated after placement in the starting position in such a way relative to the receiving unit 4 in an end position that in the direction of rotation of the cover member 5 in the generated contact areas of the fixing elements 5.4, 5.5 at the formations 4.4, 4.5 defined surface pressures are generated.
- Recording unit 4 performed in the investment areas.
- Figures 9 and 10 show a fourth embodiment of the
- FIG. 9 shows the cover element 5 in the starting position and FIG. 10 in the end position.
- the receiving unit 4 comprises three arranged on the outside of its lateral surface fixing elements 4.1, 4.2, 4.3, which from the
- the lid member 5 includes with the
- the fixing elements 4.1, 4.2, 4.3 and formations 5.1, 5.2, 5.3 are designed such that a so-called circular wedge is formed.
- the cover element 5 is rotated after placement in the starting position relative to the receiving unit 4 in an end position that in the direction of rotation of the lid member 5 in generated investment areas AI to A3 of the formations 5.1, 5.2, 5.3 on the fixing elements 4.1, 4.2, 4.3 defined surface pressures P are generated. Subsequently, in the manner described in the first embodiment, the welding of the lid member 5 to the
- Recording unit 4 performed in the investment areas AI to A3.
- FIGS. 11 to 14 show a circular wedge 6 in different positions.
- the circular wedge 6 is made of an annular body 6.1 and a
- Cylinder body 6.2 formed.
- the ring body 6.1 schematically reflects the cover element 5 according to the fourth in FIGS. 9 and 10 Embodiment of the sensor assembly 1 and the cylinder body 6.2 the receiving unit 4 against.
- Cylinder body 6.2 each other reflects an unfastened state of the
- a second position of the ring body 6.1 and of the cylinder body 6.2 relative to one another, illustrated in FIGS. 12 and 13, reflects a joined state of the cover element 5 and the receiving unit 4, in which these are arranged in the starting position relative to one another while forming the clearance fit.
- Cylinder body 6.2 each other reflects a joined state of the
- Cover element 5 is rotated relative to the receiving unit 4 in the end position, so that at contact areas between the cover member 5 and the
- Embodiments of the sensor assembly 1 before that the receiving unit 4 and the cover element 5 in the joining region F have a non-circular, such as elliptical or polygonal cross-section, in which also by rotation of the cover member 5 relative to the receiving unit 4 investment areas with defined surface pressures between the cover member 5 and the receiving unit 4 are generated, in which the welding of the
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112013004666.0T DE112013004666A5 (de) | 2012-12-20 | 2013-11-11 | Sensoranordnung und Verfahren zur Herstellung einer Sensoranordnung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210112737 DE102012112737A1 (de) | 2012-12-20 | 2012-12-20 | Sensoranordnung und Verfahren zur Herstellung einer Sensoranordnung |
DE102012112737.9 | 2012-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014094753A1 true WO2014094753A1 (de) | 2014-06-26 |
Family
ID=49765753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2013/200287 WO2014094753A1 (de) | 2012-12-20 | 2013-11-11 | Sensoranordnung und verfahren zur herstellung einer sensoranordnung |
Country Status (2)
Country | Link |
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DE (2) | DE102012112737A1 (de) |
WO (1) | WO2014094753A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015219571A1 (de) * | 2015-10-09 | 2017-04-13 | Conti Temic Microelectronic Gmbh | Sensordom-Anordnung |
DE102017209180A1 (de) * | 2017-05-31 | 2018-12-06 | Conti Temic Microelectronic Gmbh | Elektronikanordnung |
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DE10004419A1 (de) * | 1999-05-27 | 2000-12-14 | Daimler Chrysler Ag | Meßvorrichtung für eine angestellte Kegelrollenlagerung und Verfahren zur Herstellung einer angestellten Kegelrollenlagerung |
DE102005033743A1 (de) * | 2005-07-15 | 2007-01-25 | Borowski Und Meier Gmbh | Mehrfachkettenrad für eine Verbrennungskraftmaschine und Verbrennungskraftmaschine mit Mehrfachkettenrad |
DE102007007840A1 (de) * | 2006-02-27 | 2007-09-06 | Denso Corp., Kariya | Rotationserfassungsvorrichtung |
WO2009080633A1 (de) * | 2007-12-20 | 2009-07-02 | Robert Buck | Strömungssensor für fluide medien |
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JP3803417B2 (ja) * | 1995-04-11 | 2006-08-02 | テルモ カーディオバスキュラー システムズ コーポレイション | センサーを壁に取付ける取付けパッド及びレベルセンサーの超音波変換器と取付け機構との組合せ |
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2012
- 2012-12-20 DE DE201210112737 patent/DE102012112737A1/de not_active Withdrawn
-
2013
- 2013-11-11 WO PCT/DE2013/200287 patent/WO2014094753A1/de active Application Filing
- 2013-11-11 DE DE112013004666.0T patent/DE112013004666A5/de active Pending
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DE10004419A1 (de) * | 1999-05-27 | 2000-12-14 | Daimler Chrysler Ag | Meßvorrichtung für eine angestellte Kegelrollenlagerung und Verfahren zur Herstellung einer angestellten Kegelrollenlagerung |
DE102005033743A1 (de) * | 2005-07-15 | 2007-01-25 | Borowski Und Meier Gmbh | Mehrfachkettenrad für eine Verbrennungskraftmaschine und Verbrennungskraftmaschine mit Mehrfachkettenrad |
DE102007007840A1 (de) * | 2006-02-27 | 2007-09-06 | Denso Corp., Kariya | Rotationserfassungsvorrichtung |
WO2009080633A1 (de) * | 2007-12-20 | 2009-07-02 | Robert Buck | Strömungssensor für fluide medien |
Also Published As
Publication number | Publication date |
---|---|
DE112013004666A5 (de) | 2015-07-09 |
DE102012112737A1 (de) | 2014-04-03 |
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