EP3452791A1 - Sensor element for a motor vehicle - Google Patents
Sensor element for a motor vehicleInfo
- Publication number
- EP3452791A1 EP3452791A1 EP17713929.2A EP17713929A EP3452791A1 EP 3452791 A1 EP3452791 A1 EP 3452791A1 EP 17713929 A EP17713929 A EP 17713929A EP 3452791 A1 EP3452791 A1 EP 3452791A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- positioning
- sensor element
- thermoplastic
- sensor
- 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.)
- Ceased
Links
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 17
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 15
- 239000012815 thermoplastic material Substances 0.000 claims description 22
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 2
- 230000009969 flowable effect Effects 0.000 claims description 2
- 229920006258 high performance thermoplastic Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 229920001187 thermosetting polymer Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920000965 Duroplast Polymers 0.000 description 1
- 239000004638 Duroplast Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C45/14073—Positioning or centering articles in the mould using means being retractable during injection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1671—Making multilayered or multicoloured articles with an insert
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3481—Housings or casings incorporating or embedding electric or electronic elements
Definitions
- the invention relates to a sensor element for a motor vehicle, comprising a sensor circuit for detecting a physical quantity, a first housing in which the sensor circuit is arranged, a second housing, in which the first housing is arranged, a thermoplastic material, which at least the first housing partially encloses and fixes the first housing in the second housing in a positioning position.
- Dichtumspritzen of active electronic components such as sensors of different function and design are known in the art. Depending on the function and design, the sensors have different sensitivities with respect to thermo-mechanical stress during the process
- Sensor elements provided with carrier components, which can be encapsulated by means of additional seals.
- a sensor element for a motor vehicle comprising a A sensor circuit for detecting a physical quantity, a first housing in which the sensor circuit is arranged, a second housing in which the first housing is arranged, a thermoplastic material which at least partially surrounds the first housing and the first housing in the second housing in a positioning position fixed, wherein on the first housing at least two positioning recesses are formed for receiving positioning pins to fix the first housing in the positioning position during a wrapping of the first housing by the thermoplastic material.
- Positioning accuracy of the sensor element can be significantly improved.
- An additional assembly and separation process can be saved by eliminating the carrier component, whereby necessary investments are significantly reduced.
- the first housing has a housing bottom side and a housing upper side facing away from the housing top, wherein a first Positioniermulde is formed on the housing bottom, wherein a second Positioniermulde on
- Housing top is formed, and wherein the positioning recesses are arranged opposite to each other.
- a further positioning recess is formed next to one of the positioning recesses for receiving a further positioning pin on the first housing.
- the Positioning wells at least partially by the
- thermoplastic As a result, the technical advantage is achieved, for example, that instead of the mechanical fixation by the positioning pins a positive and non-positive fixing of the sensor element by means of the hardened thermoplastic material occurs.
- Closing the positioning recesses additionally improves the adhesion between the plastic and the sensor element. Alternatively, however, it is conceivable that in the positioning recesses
- Positioning pins are arranged, which at least
- thermoplastic material are partially wrapped by the thermoplastic material.
- the technical advantage is achieved that the positioning pins no longer need to be removed, but can remain enclosed by the plastic in the sensor element.
- the sensor circuit has a leadframe, which is at least partially housed by the first housing.
- the sensor element comprises a state sensor for detecting a state of the thermoplastic, in particular during the introduction of the thermoplastic between the first housing and the second housing, wherein the state of at least one of the states pressure, temperature, viscosity,
- the technical advantage is achieved, for example, that a precise control of the production of the sensor element is possible.
- a precise timing for retracting the locating pins can be determined.
- the physical quantity is at least one of the variables speed, acceleration, rotation rate, pressure, temperature or direction and strength of a magnetic field.
- the sensor element can be designed, for example, to enable the calculation of a speed, a rotational speed, a position and a current on the basis of a detected direction and a detected strength of a magnetic field.
- thermoplastic material is a partially crystalline
- thermoplastic material has the lowest possible temperature-expansion coefficient with relatively high chemical resistance
- thermoplastic material can also be replaced by a thermosetting or an elastomeric plastic. This depends in particular on the specific requirements for the sensor element.
- thermoplastic for fixing the first housing in the second housing to introduce and to pull out the positioning pins during the introduction of the thermoplastic material again from the second housing, openings are formed in the second housing in alignment with the positioning of the first housing, which can be enforced by the positioning pins ,
- the second housing is closed at the front.
- the positioning recesses have a triangular, an oval, a circular or a polygonal cross section.
- the object is achieved by a method for producing a sensor element for a motor vehicle, comprising the steps of providing a sensor circuit for detecting a physical quantity, wherein the sensor circuit is arranged in a first housing, wherein at least two of the first housing Positioning troughs are formed for receiving positioning pins, inserting the first housing in a second housing having openings, which are enforced by the positioning pins, fixing the first housing in the second housing through the
- Positioning pins which pass through the openings of the second housing and are inserted into the positioning recesses, and introducing flowable thermoplastic material in the second housing to enclose the first housing, wherein the first housing in the second housing during the introduction of the thermoplastic material by the positioning pins is fixed.
- Positioning accuracy of the sensor element can be significantly improved.
- An additional assembly and separation process can be saved by eliminating the carrier component, whereby necessary investments are significantly reduced.
- the positioning pins are withdrawn or pulled out before the thermoplastic material reaches the positioning pins. Further embodiments of the invention are in the
- Fig. 2 is a further schematic representation of a
- Fig. 3 is a still further schematic representation of a
- FIG. 1 shows a schematic representation of a
- the sensor element 100 which is arranged in a first housing 103.
- the sensor element 100 comprises a second housing 105, in which the first housing 103 is arranged.
- On the first housing 103 three positioning recesses 107, 108, 110 are arranged, which receive positioning pins 109a, 109b, 109c.
- the positioning pins 109a, 109b, 109c fix the sensor circuit 101 including the first housing 103.
- the sensor element 100 includes a state sensor 114 to indicate a state of the thermoplastic resin 106
- the sensor element 100 comprises for each
- thermoplastic plastic 106 between the first housing 103 and the second housing 105.
- the first housing 103 is fixed exclusively by the positioning pins 109a, 109b, 109c, wherein the positioning pins 109a, 109b, 109c in FIG the positioning recesses 107, 108, 110 engage.
- the state sensor 114 detects the state of the
- thermoplastic material 106 is located on the second housing 105.
- state sensor 114 By the state sensor 114, a precise control of the time can be ensured to the
- Retract positioning pins 109a, 109b, 109c Retract positioning pins 109a, 109b, 109c.
- FIG. 2 shows a further schematic representation of a sensor element 100.
- Two positioning pins 109a, 109b of the total of three positioning pins 109a, 109b, 109c are in a retracted from the second housing 105 state.
- the thermoplastic 106 is already partially interposed between the first housing 103 and the second housing 105, whereby the introduced thermoplastic 106 retracts the two retracted
- Positioning pins 109a, 109b partially takes over.
- the condition sensor 114 may now determine that a certain amount of thermoplastic 106 has been introduced in a particular condition. Consequently, two became
- FIG. 3 shows a still further schematic representation of a sensor element 100. All three positioning pins 109a, 109b, 109c are in a retracted from the second housing 105 state.
- the thermoplastic material 106 is already fully inserted between the first housing 103 and the second housing 105, whereby the introduced
- thermoplastic 106 fixing the three
- Positioning pins 109a, 109b, 109c completely takes over.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016207664.7A DE102016207664A1 (en) | 2016-05-03 | 2016-05-03 | SENSOR ELEMENT FOR A MOTOR VEHICLE |
PCT/EP2017/057193 WO2017190889A1 (en) | 2016-05-03 | 2017-03-27 | Sensor element for a motor vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3452791A1 true EP3452791A1 (en) | 2019-03-13 |
Family
ID=58428275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17713929.2A Ceased EP3452791A1 (en) | 2016-05-03 | 2017-03-27 | Sensor element for a motor vehicle |
Country Status (8)
Country | Link |
---|---|
US (1) | US10718640B2 (en) |
EP (1) | EP3452791A1 (en) |
KR (1) | KR102138995B1 (en) |
CN (1) | CN109154515A (en) |
BR (1) | BR112018071279B1 (en) |
DE (1) | DE102016207664A1 (en) |
MX (1) | MX2018013338A (en) |
WO (1) | WO2017190889A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019210375A1 (en) * | 2019-07-12 | 2021-01-14 | Continental Teves Ag & Co. Ohg | Method of manufacturing a robust sensor |
CN111923322B (en) * | 2020-05-22 | 2021-03-02 | 帕艾斯电子技术(南京)有限公司 | Temperature sensor, injection molding packaging mold and injection molding packaging method |
Family Cites Families (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2556645A1 (en) | 1983-12-19 | 1985-06-21 | Hager Daniel | Process and device for injection-moulding a plastic part possessing an insert, and parts obtained thereby |
US5818224A (en) * | 1995-10-13 | 1998-10-06 | Bently Nevada Corporation | Encapsulated transducer with an integrally formed full length sleeve and a component alignment preform and method of manufacture |
DE19612765A1 (en) * | 1996-03-29 | 1997-11-13 | Teves Gmbh Alfred | Plastic sensor and method for its production |
JP2003142510A (en) * | 2001-11-02 | 2003-05-16 | Mitsubishi Electric Corp | Method of manufacturing semiconductor device |
DE102004044614B4 (en) * | 2004-09-13 | 2007-10-25 | Hans Huonker Gmbh | Process for the production of multi-molded electronic components |
US7269992B2 (en) * | 2005-06-15 | 2007-09-18 | Honeywell International Inc. | Magnet orientation and calibration for small package turbocharger speed sensor |
JP5060758B2 (en) * | 2006-10-11 | 2012-10-31 | ハジメ産業株式会社 | Mold apparatus, insert molded product, and insert molding method |
DE112008000345A5 (en) | 2007-03-19 | 2009-11-05 | Conti Temic Microelectronic Gmbh | sensor arrangement |
DE102007060604A1 (en) * | 2007-12-13 | 2009-06-18 | Continental Teves Ag & Co. Ohg | Magnetic field sensor element |
DE102008005315A1 (en) * | 2008-01-21 | 2009-07-23 | Robert Bosch Gmbh | Method and device for producing a magnetic field sensor |
DE102009000428A1 (en) | 2009-01-27 | 2010-07-29 | Robert Bosch Gmbh | Method for producing a sensor |
DE102009008457A1 (en) | 2009-02-11 | 2010-08-12 | Continental Automotive Gmbh | Method for producing a sensor with seamless encapsulation of a sensor element |
JP2010234641A (en) * | 2009-03-31 | 2010-10-21 | Honda Motor Co Ltd | Insert-molding method and apparatus |
JP5707266B2 (en) * | 2011-04-14 | 2015-04-22 | 新神戸電機株式会社 | Molded bus bar manufacturing method |
DE102011121412A1 (en) * | 2011-12-17 | 2013-06-20 | Continental Automotive Gmbh | Method for producing a sensor and sensor |
DE102013202212A1 (en) * | 2012-02-10 | 2013-08-14 | Continental Teves Ag & Co. Ohg | Two-stage molded sensor |
MX341106B (en) | 2012-07-30 | 2016-08-08 | Continental Teves Ag & Co Ohg | Wiring device for wiring an electronic apparatus. |
JP5996986B2 (en) * | 2012-09-25 | 2016-09-21 | 有限会社吉井電子工業 | Manufacturing method of insert molded product |
DE102012217618A1 (en) * | 2012-09-27 | 2014-03-27 | Lisa Dräxlmaier GmbH | Method for recasting contour flat conductor used in e.g. vehicle, involves inserting and positioning flat conductor in casting tool using spacers to ensure recasting of flat conductor, and recasting flat conductor partly |
DE102012223982A1 (en) | 2012-12-20 | 2014-06-26 | Continental Teves Ag & Co. Ohg | Method for producing an electronic assembly |
WO2014174872A1 (en) * | 2013-04-26 | 2014-10-30 | 日立オートモティブシステムズ株式会社 | Flow sensor and method for producing resin structure |
USD761745S1 (en) * | 2013-06-28 | 2016-07-19 | Sumitomo Electric Industries, Ltd. | Semiconductor device |
WO2015000905A1 (en) * | 2013-07-01 | 2015-01-08 | Continental Teves Ag & Co. Ohg | Sensor with a sealing coating |
DE102014208429A1 (en) * | 2013-11-28 | 2015-05-28 | Continental Teves Ag & Co. Ohg | Sensor manufacturing by holding the intermediate injection |
DE102013224466A1 (en) * | 2013-11-28 | 2015-05-28 | Continental Teves Ag & Co. Ohg | Tool for prototyping a housing for a sensor |
JP6028743B2 (en) * | 2014-01-23 | 2016-11-16 | 三菱電機株式会社 | Resin spacer, insert molded product, and manufacturing method thereof |
CN203792588U (en) * | 2014-04-09 | 2014-08-27 | 上海飞乐汽车控制系统有限公司 | Clamping and positioning mechanism for connector terminal |
DE102014213591A1 (en) * | 2014-07-11 | 2016-01-14 | Continental Teves Ag & Co. Ohg | Neutral part for a customer-specific adaptable sensor |
DE102014213588A1 (en) * | 2014-07-11 | 2016-02-18 | Continental Teves Ag & Co. Ohg | Custom sensor manufactured by Triple Molden |
CN204230517U (en) * | 2014-11-19 | 2015-03-25 | 东莞市趋势通信科技有限公司 | AISG injection moulding cable-assembly |
DE102015208319A1 (en) * | 2015-05-05 | 2016-11-10 | Continental Teves Ag & Co. Ohg | Leadframe and method for producing electrical or electronic components |
DE102015208315A1 (en) * | 2015-05-05 | 2016-11-10 | Continental Teves Ag & Co. Ohg | Method for producing a component and component |
US10383240B2 (en) * | 2017-06-13 | 2019-08-13 | Honeywell International Inc. | Housing to retain integrated circuit package |
-
2016
- 2016-05-03 DE DE102016207664.7A patent/DE102016207664A1/en active Pending
-
2017
- 2017-03-27 KR KR1020187031722A patent/KR102138995B1/en active IP Right Grant
- 2017-03-27 CN CN201780024789.6A patent/CN109154515A/en active Pending
- 2017-03-27 MX MX2018013338A patent/MX2018013338A/en unknown
- 2017-03-27 EP EP17713929.2A patent/EP3452791A1/en not_active Ceased
- 2017-03-27 US US16/092,048 patent/US10718640B2/en active Active
- 2017-03-27 WO PCT/EP2017/057193 patent/WO2017190889A1/en unknown
- 2017-03-27 BR BR112018071279-5A patent/BR112018071279B1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
WO2017190889A1 (en) | 2017-11-09 |
DE102016207664A1 (en) | 2017-11-09 |
US10718640B2 (en) | 2020-07-21 |
MX2018013338A (en) | 2019-05-09 |
CN109154515A (en) | 2019-01-04 |
US20190113370A1 (en) | 2019-04-18 |
BR112018071279A2 (en) | 2019-02-12 |
KR20180125013A (en) | 2018-11-21 |
BR112018071279B1 (en) | 2023-02-28 |
KR102138995B1 (en) | 2020-07-28 |
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