ES2273580B1 - INDUCTIVE SENSOR FOR CONTROL OF MOBILE MECHANISMS. - Google Patents
INDUCTIVE SENSOR FOR CONTROL OF MOBILE MECHANISMS. Download PDFInfo
- Publication number
- ES2273580B1 ES2273580B1 ES200501503A ES200501503A ES2273580B1 ES 2273580 B1 ES2273580 B1 ES 2273580B1 ES 200501503 A ES200501503 A ES 200501503A ES 200501503 A ES200501503 A ES 200501503A ES 2273580 B1 ES2273580 B1 ES 2273580B1
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- ES
- Spain
- Prior art keywords
- magnet
- assembly
- piece
- control
- magnetic
- 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.)
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Links
- 230000001939 inductive effect Effects 0.000 title claims abstract description 9
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 title 1
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000000696 magnetic material Substances 0.000 claims abstract description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 2
- 239000013589 supplement Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 238000003856 thermoforming Methods 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
- 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
- G01D5/2013—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 a movable ferromagnetic element, e.g. a core
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Regulating Braking Force (AREA)
- Control Of Transmission Device (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
Sensor inductivo para control de mecanismos móviles, del tipo que comprende un imán (2) y una pieza polar (3) formando un conjunto que se dispone alojado dentro de un armazón (1), incorporándose en relación con dicho conjunto una pieza accesoria (7) de material magnético, sobre la cual se establece la sujeción del montaje del imán (2) y la pieza polar (3) dentro de armazón (1).Inductive sensor for control of mobile mechanisms, of the type comprising a magnet (2) and a polar piece (3) forming an assembly that is arranged inside a frame (1), incorporating in relation to said set an accessory part (7 ) of magnetic material, on which the fastening of the magnet assembly (2) and the pole piece (3) inside the frame (1) is established.
Description
Sensor inductivo para control de mecanismos móviles.Inductive sensor for mechanism control mobile phones
La presente invención está relacionada con el control del movimiento de mecanismos, particularmente en aplicación a los mecanismos giratorios de vehículos, proponiendo un sensor inductivo para dicha función realizado con unas particulares características constructivas.The present invention is related to the mechanism movement control, particularly in application to the rotating mechanisms of vehicles, proposing a sensor inductive for this function performed with individuals constructive features.
Es conocida la disposición de dispositivos para controlar el movimiento de determinados mecanismos, como el motor, el ABS o la caja de cambios de los vehículos, con el fin de generar señales destinadas a aplicarse en una unidad de gestión para el gobierno controlado de la actividad de dichos mecanismos.The arrangement of devices for control the movement of certain mechanisms, such as the engine, the ABS or the gearbox of the vehicles, in order to generate signals intended to be applied in a management unit for the controlled government of the activity of these mechanisms.
Se utilizan para tal fin sensores inductivos formados por un dispositivo electromagnético compuesto por un imán, una pieza polar y una bobina, alojándose dicho conjunto dentro de un armazón aislante, de forma que en la aplicación práctica, cuando pasa un cuerpo conductor magnético por la proximidad de la pieza polar, en la bobina se genera una diferencia de potencial que da lugar a una señal susceptible de ser transmitida al sistema de gestión correspondiente.Inductive sensors are used for this purpose. formed by an electromagnetic device composed of a magnet, a polar piece and a coil, said assembly being housed within an insulating frame, so that in practical application, when a magnetic conductive body passes through the proximity of the piece polar, in the coil a potential difference is generated that gives place to a signal capable of being transmitted to the system of corresponding management.
Los dispositivos de este tipo se forman con imanes de materiales frágiles, lo cual dificulta la utilización de técnicas sencillas de sujeción y montaje, requiriendo de operaciones muy cuidadosas para evitar el deterioro de los imanes, ya sea por esfuerzos mecánicos que pueden ocasionar roturas, o por efecto de altas temperaturas que puede reducir el rendimiento magnético.Devices of this type are formed with Fragile material magnets, which makes it difficult to use simple fastening and assembly techniques, requiring very careful operations to avoid the deterioration of the magnets, either by mechanical stresses that can cause breakage, or by high temperature effect that can reduce performance magnetic.
De acuerdo con la invención se propone un dispositivo del tipo indicado, el cual se ha previsto con unas características constructivas que facilitan la realización del montaje.According to the invention, a device of the indicated type, which is planned with some constructive characteristics that facilitate the realization of mounting.
Este dispositivo objeto de la invención consta de un conjunto electromagnético formado por un imán y una pieza polar que se disponen asociados de manera consecutiva dentro de un armazón de material aislante, para incorporar una bobina alrededor de la posición de la pieza polar, con la particularidad, según la invención, de que por la parte contraria a la pieza polar el imán se complementa con un suplemento de material magnético más resistente que el imán.This device object of the invention consists of of an electromagnetic assembly formed by a magnet and a piece polar that are arranged consecutively associated within a insulating material frame, to incorporate a coil around of the position of the polar piece, with the particularity, according to the invention, that on the opposite side to the polar piece the magnet It is complemented by a magnetic material supplement plus resistant than the magnet.
Se obtiene así un conjunto estructural de comportamiento funcional semejante al de los sensores inductivos convencionales, pero con la ventaja de que la pieza de suplemento permite realizar en ella las conformaciones necesarias para la sujeción del conjunto magnético en el armazón aislante de alojamiento, así como aplicar sobre dicha pieza los esfuerzos de la retención en el montaje y las temperaturas de conformación del armazón para el cierre y la retención del montaje, sin que el imán tenga que sufrir esos efectos.Thus a structural set of functional behavior similar to inductive sensors conventional, but with the advantage that the supplement piece allows you to make the necessary conformations for fastening of the magnetic assembly in the insulating frame of accommodation, as well as applying on said piece the efforts of the assembly retention and forming temperatures of the frame for closing and retaining the assembly, without the magnet I have to suffer those effects.
Por ello, dicho dispositivo de la invención resulta de unas características ciertamente ventajosas, adquiriendo vida propia y carácter preferente respecto de los dispositivos convencionales de la misma función.Therefore, said device of the invention results of certain advantageous characteristics, acquiring own life and preferential character with respect to the devices Conventionals of the same function.
La figura 1 muestra en sección diametral un conjunto elemental del dispositivo de la invención, sin la bobina productora de señales por la alteración del campo magnético.Figure 1 shows in diametral section a elementary assembly of the device of the invention, without the coil signal producer due to the alteration of the magnetic field.
La figura 2 es una vista parcialmente seccionada del dispositivo acoplado a un conector de conexión externa.Figure 2 is a partially sectioned view of the device coupled to an external connection connector.
El objeto de la invención se refiere a un sensor inductivo de los que se emplean para controlar el funcionamiento de mecanismos tales como el motor, el ABS o la caja de cambios de vehículos, en función del propio movimiento de esos mecanismos.The object of the invention relates to a sensor inductive of those used to control the operation of mechanisms such as the engine, ABS or gearbox of vehicles, depending on the movement of these mechanisms.
Dicho dispositivo comprende un conjunto funcional magnético que se aloja dentro de un armazón (1) de material aislante, comprendiendo el conjunto magnético básicamente un imán (2) y una pieza polar (3), los cuales se disponen asociados de manera consecutiva dentro del armazón (1), asomando la pieza polar (3) por un extremo.Said device comprises a set magnetic function that is housed within a frame (1) of insulating material, comprising the magnetic assembly basically a magnet (2) and a pole piece (3), which are associated consecutively inside the frame (1), showing the piece polar (3) at one end.
Alrededor de la posición de la pieza polar (3) el armazón (1) determina un alojamiento anular (4), para la incorporación de una bobina, la cual resulta influenciada por el campo magnético que se propaga desde la mencionada pieza polar (3), de forma que cuando por la proximidad del extremo por donde asoma dicha pieza polar (3) pasa un cuerpo conductor magnético, el campo magnético resulta alterado, lo cual da lugar a que en la bobina se produzca una diferencia de potencial, generando una señal que puede ser enviada a una unidad de gestión para controlar el movimiento del cuerpo móvil detectado por el dispositivo sensor.Around the position of the pole piece (3) the frame (1) determines an annular housing (4), for the incorporation of a coil, which is influenced by the magnetic field that propagates from the aforementioned polar piece (3), so when the proximity of the end where it appears said polar piece (3) passes a magnetic conductive body, the field magnetic is altered, which results in the coil being produce a potential difference, generating a signal that can be sent to a management unit to control the movement of the mobile body detected by the sensor device.
Para la conexión del dispositivo con el circuito de comunicación con la unidad de control procesadora de las señales que genera la bobina dispuesta alrededor de la pieza polar (3), en la parte posterior, cerrando el conjunto estructural de dicho dispositivo, se dispone un conector (5), en el cual se incluyen los terminales (6) destinados para establecer la conexión mencionada, con los cuales se relacionan los extremos de la bobina del dispositivo.For the connection of the device with the circuit of communication with the processing control unit of the signals generated by the coil arranged around the pole piece (3), on the back, closing the structural assembly of said device, a connector (5) is arranged, in which include terminals (6) intended to establish the connection mentioned, with which the ends of the coil are related Of the device.
De acuerdo con la invención, el conjunto magnético del dispositivo se complementa con una pieza (7) que se dispone como suplemento del imán (2) por la parte contraria a la pieza polar (3), tal como representa la figura 1.According to the invention, the assembly Magnetic device is complemented by a piece (7) that is provides as a supplement to the magnet (2) by the party opposite to the pole piece (3), as shown in figure 1.
Dicha pieza de suplemento (7) es un material magnético más resistente que el imán (2), estableciéndose con ella la sujeción del conjunto magnético en el montaje respecto de armazón (1).Said supplement piece (7) is a material magnetic stronger than the magnet (2), settling with it the fastening of the magnetic assembly in the assembly with respect to frame (1).
De esta forma, la mecanización de las conformaciones (8) que sean necesarias para la sujeción del montaje sobre el armazón (1), se realizan sobre la mencionada pieza complementaria (7), respecto de la cual se establecen asimismo los esfuerzos de la retención del montaje sobre el armazón (1), o las deformaciones por termoconformado de dicho armazón (1) para asegurar la sujeción, con lo cual el imán (2) no precisa de mecanización para el montaje, ni resulta sometido a esfuerzos que pudieran causarle roturas, o a temperaturas que puedan reducir el rendimiento magnético.In this way, the mechanization of conformations (8) that are necessary for the fastening of the assembly on the frame (1), they are made on the mentioned piece complementary (7), in respect of which the assembly retention efforts on the frame (1), or the deformations by thermoforming of said framework (1) for ensure the fastening, whereby the magnet (2) does not require mechanization for assembly, nor is it subjected to stresses that could cause breakage, or at temperatures that can reduce the magnetic performance
Claims (2)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200501503A ES2273580B1 (en) | 2005-06-21 | 2005-06-21 | INDUCTIVE SENSOR FOR CONTROL OF MOBILE MECHANISMS. |
| CN2006100938188A CN1884977B (en) | 2005-06-21 | 2006-06-20 | Induction sensor for controlling motion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200501503A ES2273580B1 (en) | 2005-06-21 | 2005-06-21 | INDUCTIVE SENSOR FOR CONTROL OF MOBILE MECHANISMS. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2273580A1 ES2273580A1 (en) | 2007-05-01 |
| ES2273580B1 true ES2273580B1 (en) | 2008-01-01 |
Family
ID=37583248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200501503A Active ES2273580B1 (en) | 2005-06-21 | 2005-06-21 | INDUCTIVE SENSOR FOR CONTROL OF MOBILE MECHANISMS. |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1884977B (en) |
| ES (1) | ES2273580B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007054592A1 (en) | 2005-11-08 | 2007-05-18 | Zertan, S.A. | Disturbance elimination system for inductive sensors |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3628585C2 (en) * | 1986-08-22 | 1998-04-09 | Wabco Gmbh | Pulse speed encoder |
| FR2640049B1 (en) * | 1988-12-05 | 1991-03-29 | Bendix Electronics Sa | ELECTROMAGNETIC SENSOR WITH VARIABLE RELUCTANCE AND METHOD FOR ASSEMBLING SUCH A SENSOR |
| JP2530145Y2 (en) * | 1992-04-18 | 1997-03-26 | 株式会社ホンダロック | Rotation sensor |
| JP3266736B2 (en) * | 1994-05-17 | 2002-03-18 | 三菱電機株式会社 | Magnetic sensor |
| US6262648B1 (en) * | 1997-09-18 | 2001-07-17 | Holec Holland N.V. | Electromagnetic actuator |
-
2005
- 2005-06-21 ES ES200501503A patent/ES2273580B1/en active Active
-
2006
- 2006-06-20 CN CN2006100938188A patent/CN1884977B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2273580A1 (en) | 2007-05-01 |
| CN1884977B (en) | 2011-02-09 |
| CN1884977A (en) | 2006-12-27 |
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| Date | Code | Title | Description |
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| EC2A | Search report published |
Date of ref document: 20070501 Kind code of ref document: A1 |
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| FG2A | Definitive protection |
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