DE102006050177A1 - Magnetic field sensor e.g. rotational speed sensor, for e.g. vehicle wheel, has carrier designed as plastic-injected part and provided for magnetic field-sensitive sensor unit, which is designed as surface mount device unit - Google Patents
Magnetic field sensor e.g. rotational speed sensor, for e.g. vehicle wheel, has carrier designed as plastic-injected part and provided for magnetic field-sensitive sensor unit, which is designed as surface mount device unit Download PDFInfo
- Publication number
- DE102006050177A1 DE102006050177A1 DE200610050177 DE102006050177A DE102006050177A1 DE 102006050177 A1 DE102006050177 A1 DE 102006050177A1 DE 200610050177 DE200610050177 DE 200610050177 DE 102006050177 A DE102006050177 A DE 102006050177A DE 102006050177 A1 DE102006050177 A1 DE 102006050177A1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic field
- sensor
- carrier
- designed
- smd
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/02—Housings
- G01P1/026—Housings for speed measuring devices, e.g. pulse generator
-
- 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
Abstract
Description
Stand der TechnikState of the art
Die Erfindung geht aus von einem Magnetfeldsensor, insbesondere einem Drehzahl- und/oder Drehrichtungssensor für ein Fahrzeugrad oder für den Triebstrang eines Fahrzeuges, nach der Gattung des unabhängigen Anspruchs.The The invention is based on a magnetic field sensor, in particular a Speed and / or direction sensor for a vehicle wheel or for the drive train of a vehicle, according to the preamble of the independent claim.
Aus
der
Weiterhin ist es grundsätzlich bekannt, zur Verkleinerung von Schaltungsaufbauten SMD-Bauelemente zu verwenden. Üblicherweise werden derartige SMD-Bauelemente, wie dies der Name bereits sagt, zur Bestückung von Leiterplatten verwendet, da sie insbesondere eine doppelseitige Oberflächebestückung von Leiterplatten ermöglichen. Die Verwendung zum Aufbau von Sensorelementen ist für derartige Bauelemente nicht gebräuchlich.Farther it is basically known, for the reduction of circuit structures SMD components to use. Usually become such SMD components, as the name implies, for equipping used by printed circuit boards, since they in particular a double-sided Surface placement of PCB allow. The use for the construction of sensor elements is for such Components not in use.
Offenbarung der ErfindungDisclosure of the invention
Der erfindungsgemäße Magnetfeldsensor mit den Merkmalen des unabhängigen Anspruchs hat den Vorteil, dass ein in der späteren Anwendung problemlos zu handhabendes, mechanisch gut geschütztes und präzise arbeitendes Bauteil mit kompakten Abmessungen bereitgestellt wird. Die Verwendung von SMD-Bauelementen mit gehäusefesten Anschlüssen in Form von Kontaktflächen oder sehr kurzen und steifen Anschlusspins, sichert präzise Anschlussmaße und gegenüber anderen elektrischen Bauelementen eine hohe Positionierungsgenauigkeit und dadurch eine hohe Messgenauigkeit des fertigen Sensors. Eventuelle Beschädigungen oder Ungenauigkeiten durch Biegen von Anschlusspins bei der Positionierung und Kontaktierung werden praktisch vollständig vermieden.Of the Magnetic field sensor according to the invention the characteristics of the independent Claim has the advantage that a problem in the subsequent application to handle, mechanically well protected and precise working Component is provided with compact dimensions. The usage SMD components with fixed housing connections in the form of contact surfaces or very short and stiff connection pins, ensuring precise connection dimensions and over others electrical components have a high positioning accuracy and thereby a high measuring accuracy of the finished sensor. any Damage or Inaccuracies due to bending of connection pins during positioning and contacting are virtually completely avoided.
Besonders vorteilhaft ist es, wenn zusätzlich zu dem Sensorelement auch weitere Bauelemente des Magnetfeldsensors in SMD-Technik eingesetzt werden. Hierbei bietet sich insbesondere die Ausbildung eines zur Störungsunterdrückung verwendeten Kondensators als SMD-Bauelement an, welcher auf den Träger angeordnet ist zur Überbrückung der Leiterbahnen, um eventuell eindringende hochfrequente Störungen von der integrierten Schaltung des Sensorelementes fernzuhalten. Hierbei kann das SMD-Kondensatorelement vorteilhafterweise in einer Aussparung des Trägers angeordnet werden, in welcher die Leiterbahnen mit ihren Anschlussstellen für das Kondensatorelement frei liegen und durch das SMD-Bauelement direkt kontaktierbar sind. Die Gesamtanordnung aus dem Träger, den Leiterbahnen, den Bauelementen und den Anschlüssen eines Verbindungskabels kann dann in einem abschließenden Arbeitsschritt mit Kunststoff umspritzt werden, um die Positionierung und Kontaktierung der Einzelelemente des Magnetfeldsensors zu sichern und eine mechanisch, elektrisch und thermisch stabile Einheit zu schaffen.Especially It is advantageous if in addition to the sensor element and other components of the magnetic field sensor be used in SMD technology. This offers in particular the formation of a capacitor used for interference suppression as an SMD component, which is arranged on the carrier for bridging the Tracks to possibly penetrating high-frequency interference from Keep the integrated circuit of the sensor element. in this connection The SMD capacitor element can advantageously be in a recess of the carrier be arranged, in which the conductor tracks with their connection points for the capacitor element are exposed and can be contacted directly by the SMD component. The overall arrangement of the carrier, the tracks, the components and the terminals of a Connecting cable can then in a final step with plastic be sprayed around the positioning and contacting of the individual elements to secure the magnetic field sensor and a mechanical, electrical and to create a thermally stable unit.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und in der nachfolgenden Beschreibung näher erläutert.One embodiment The invention is illustrated in the drawings and in the following Description closer explained.
Es zeigenIt demonstrate
Ausführungsformen der ErfindungEmbodiments of the invention
In
Zumindest
das magnetfeldempfindliche Sensorelement
Im
Ausführungsbeispiel
ist neben dem Sensorelement
Die
Auswahl der Verpackung des Sensorelementes
In
Durch
die erfindungsgemäße Verwendung von
SMD-Bauteilen in Verbindung mit einem passend vorgeformten Träger
Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610050177 DE102006050177A1 (en) | 2006-10-25 | 2006-10-25 | Magnetic field sensor e.g. rotational speed sensor, for e.g. vehicle wheel, has carrier designed as plastic-injected part and provided for magnetic field-sensitive sensor unit, which is designed as surface mount device unit |
PCT/EP2007/059457 WO2008049690A1 (en) | 2006-10-25 | 2007-09-10 | Magnetic field sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610050177 DE102006050177A1 (en) | 2006-10-25 | 2006-10-25 | Magnetic field sensor e.g. rotational speed sensor, for e.g. vehicle wheel, has carrier designed as plastic-injected part and provided for magnetic field-sensitive sensor unit, which is designed as surface mount device unit |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102006050177A1 true DE102006050177A1 (en) | 2008-04-30 |
Family
ID=39100072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200610050177 Withdrawn DE102006050177A1 (en) | 2006-10-25 | 2006-10-25 | Magnetic field sensor e.g. rotational speed sensor, for e.g. vehicle wheel, has carrier designed as plastic-injected part and provided for magnetic field-sensitive sensor unit, which is designed as surface mount device unit |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102006050177A1 (en) |
WO (1) | WO2008049690A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008005315A1 (en) | 2008-01-21 | 2009-07-23 | Robert Bosch Gmbh | Method and device for producing a magnetic field sensor |
DE102011004447A1 (en) | 2011-02-21 | 2012-08-23 | Robert Bosch Gmbh | Sensor unit for a vehicle |
WO2014033319A2 (en) * | 2012-09-03 | 2014-03-06 | Continental Teves Ag & Co. Ohg | Wheel speed sensor |
CN105899913A (en) * | 2013-11-28 | 2016-08-24 | 大陆-特韦斯股份有限公司 | Sensor production by holding the intermediate injection-molded part |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004017899A1 (en) * | 2004-04-13 | 2005-11-10 | Festo Ag & Co. | Position sensor arrangement with a plurality of magnetic field-sensitive sensors arranged in a row, in particular Hall sensors |
DE102005012709A1 (en) * | 2005-03-22 | 2006-09-28 | Robert Bosch Gmbh | magnetic field sensor |
-
2006
- 2006-10-25 DE DE200610050177 patent/DE102006050177A1/en not_active Withdrawn
-
2007
- 2007-09-10 WO PCT/EP2007/059457 patent/WO2008049690A1/en active Application Filing
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008005315A1 (en) | 2008-01-21 | 2009-07-23 | Robert Bosch Gmbh | Method and device for producing a magnetic field sensor |
US8623254B2 (en) | 2008-01-21 | 2014-01-07 | Robert Bosch Gmbh | Method and device for producing a magnetic field sensor |
DE102011004447A1 (en) | 2011-02-21 | 2012-08-23 | Robert Bosch Gmbh | Sensor unit for a vehicle |
WO2012113592A1 (en) | 2011-02-21 | 2012-08-30 | Robert Bosch Gmbh | Sensor unit for a vehicle |
CN103392113A (en) * | 2011-02-21 | 2013-11-13 | 罗伯特·博世有限公司 | Sensor unit for a vehicle |
CN103392113B (en) * | 2011-02-21 | 2015-11-25 | 罗伯特·博世有限公司 | For the sensor unit of vehicle |
US9513306B2 (en) | 2011-02-21 | 2016-12-06 | Robert Bosch Gmbh | Sensor unit for a vehicle |
WO2014033319A2 (en) * | 2012-09-03 | 2014-03-06 | Continental Teves Ag & Co. Ohg | Wheel speed sensor |
WO2014033319A3 (en) * | 2012-09-03 | 2014-05-08 | Continental Teves Ag & Co. Ohg | Wheel speed sensor |
CN105899913A (en) * | 2013-11-28 | 2016-08-24 | 大陆-特韦斯股份有限公司 | Sensor production by holding the intermediate injection-molded part |
CN105899913B (en) * | 2013-11-28 | 2018-04-03 | 大陆-特韦斯股份有限公司 | The sensor carried out by fixed middle moulding manufactures |
US10953578B2 (en) | 2013-11-28 | 2021-03-23 | Continental Teves Ag & Co. Ohg | Sensor production by holding the intermediate injection-molded part |
Also Published As
Publication number | Publication date |
---|---|
WO2008049690A1 (en) | 2008-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R012 | Request for examination validly filed |
Effective date: 20130708 |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |