EP0586401B1 - Contacteur a solenoide pour le demarreur d'un moteur a combustion interne - Google Patents
Contacteur a solenoide pour le demarreur d'un moteur a combustion interne Download PDFInfo
- Publication number
- EP0586401B1 EP0586401B1 EP92908923A EP92908923A EP0586401B1 EP 0586401 B1 EP0586401 B1 EP 0586401B1 EP 92908923 A EP92908923 A EP 92908923A EP 92908923 A EP92908923 A EP 92908923A EP 0586401 B1 EP0586401 B1 EP 0586401B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bushing
- contact bridge
- magnetic core
- relay according
- face
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/02—Non-polarised relays
- H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
- H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
- H01H51/065—Relays having a pair of normally open contacts rigidly fixed to a magnetic core movable along the axis of a solenoid, e.g. relays for starting automobiles
Definitions
- the invention relates to an engagement relay for a starter device (starter, in particular thrust screw drive starter) of an internal combustion engine, with a magnetic core to which a relay coil is assigned and with an armature which has a switching axis which penetrates an opening in the magnetic core and on which one Socket is arranged, which is mounted in a guide section of the opening and which carries a contact bridge (see EP-A-99 998).
- starter in particular thrust screw drive starter
- armature which has a switching axis which penetrates an opening in the magnetic core and on which one Socket is arranged, which is mounted in a guide section of the opening and which carries a contact bridge
- Such engagement relays serve the purpose of switching a high current with a relatively low control current.
- the high current (starter current) required for starting an internal combustion engine by means of a starter is, for example, up to approx. 1000 amperes for passenger cars and up to approx. 2500 amperes for commercial vehicles. It is therefore sufficient to switch on the low control current the start switch.
- the high starter current is switched by the engagement relay.
- the engagement relay has yet another function, since it serves to advance the starter pinion for engagement in a toothed ring of the internal combustion engine.
- the armature of the engagement relay is connected to switch the starter current with a contact bridge, which connects main current contacts to each other when the engagement relay is energized.
- the contact bridge is axially loaded by means of a spring arrangement and is mounted on a switching axis of an armature of the engagement relay.
- the spring arrangement does not act directly on the contact bridge, but indirectly via a socket holding the contact bridge.
- the known engagement relay has disadvantages during assembly and in operation, because the assignment of the position of the contact bridge to its desired position is often not sufficiently accurate.
- the engagement relay according to the invention with the features mentioned in the main claim has the advantage that a backlash-free and positionally accurate assignment of the contact bridge to its target position is maintained.
- an anti-rotation device is arranged between the magnetic core and the socket. This means that the relative position from the socket to the magnetic core is always maintained or at least is always restored when there is the engagement relay is in the deenergized state, since the bushing then moves deep into the guide section of the opening.
- the contact bridge has a fixed rotation angle assignment to the socket itself, so that correct alignment of the contact bridge to the magnetic core and also to the main current contacts is always guaranteed.
- the anti-rotation device is formed by a non-circular cross section of the lateral surface of the bushing and that the guide section of the opening is designed to match the cross-sectional contour of the lateral surface.
- the non-circular cross section can be designed as a square, preferably as a hexagon. This means that the specified angle of rotation position is always maintained between the magnetic core and the socket, regardless of the operating state of the engagement relay.
- the guide section is conical in such a way that it tapers with increasing depth.
- the outer surface of the socket is supported on the guide section without play, so that an extremely precise rotation angle alignment takes place.
- the anti-rotation device is formed by a non-flat end face of the bushing, the end face interacting with a correspondingly shaped head face of the guide section.
- the end face of the socket steps onto the top face of the guide section, so that the two parts are aligned with precise angles.
- the head surface is preferably designed as an annular shoulder of the opening, the guide section for receiving the bushing having a larger diameter than the remaining area of the opening.
- teeth can be formed on this, which engage in corresponding recesses on the head face.
- the teeth are preferably arranged in a circle on the end face.
- the teeth have such inclined flanks that they widen in the direction of the tooth roots or taper in the direction of the tooth heads.
- the depressions on the head surface are designed accordingly, so that when the teeth engage in the corresponding depressions, there is a play-free and exact alignment between the socket and the magnetic core.
- the bushing Due to the tooth formation, the bushing has a crown-like appearance.
- the socket and thus the contact bridge can be mounted in different rotational angle positions by rotating at least one tooth pitch relative to the magnetic core.
- the contact bridge is attached to the socket in a rotationally fixed manner.
- This non-rotatable mounting is preferably achieved by a nose / recess connection between the parts mentioned.
- the socket has a collar with a smaller diameter, which extends through a hole in the contact bridge.
- the nose / recess connection can be formed on the collar or on the hole, the collar preferably having a nose that runs radially and the hole is provided with a corresponding recess into which the nose engages.
- the collar adjoins an annular surface of the bushing, which is formed by the smaller diameter of the collar compared to the remaining lateral surface of the bushing, at least one nose being formed on the annular surface, which fits into a corresponding recess engages on the contact bridge.
- two diametrically opposed lugs and corresponding recesses are provided.
- the nose tapers in the direction of its free end region.
- the recess is designed accordingly, so that a play-free assignment of the two parts is possible.
- the angular position between the contact bridge and the magnetic core can be specified depending on the angular position of the nose / recess connection.
- the position of the lug / recess connection is varied accordingly for different embodiments of the engagement relay, so that correspondingly different rotational angle positions can be achieved between the contact bridge and the magnetic core in order to take special structural features into account.
- a plurality of recesses for selecting different rotational angle positions are provided on the contact bridge, so that during assembly the nose is assigned to a selected recess and, in this respect, an individual rotational angle position is specified.
- Figure 1 shows a cross section through an engagement relay 1, which is used to advance a pinion for meshing in the ring gear of an internal combustion engine, not shown, and is used at the same time, with a relatively low control current (which is switched on by means of an ignition switch), a high starter current for operation to switch the starter.
- the engagement relay 1 has a relay coil 2, which is located on a coil holder 3.
- the coil holder 3 is pushed onto an armature guide tube 4, which with its one end engages over an axial wall 5 of an annular step 7 of a magnetic core 6.
- the relay coil 2 is covered by a housing 8, which rests with a smaller-diameter end section 9 at the other end of the armature guide tube 4.
- a spring 10 is supported, on the one hand, on an inner wall of the end section 9 and, on the other hand, on the associated end face of the coil holder 3, as a result of which the coil is pushed in the direction of the magnetic core 6 and is thus supported in a vibration-proof manner.
- An armature 11 is axially displaceably mounted in the armature guide tube 4 and has an (divided) switching axis 14 consisting of the parts 12 and 13, the part 12 being associated with the armature 11 and the part 13 with the magnetic core 6.
- the two parts 12 and 13 have an axial distance a from one another in the non-energized position of the engagement relay 1 shown in FIG.
- the armature 11 carries an actuation extension 16 which, with the interposition of a lever mechanism (not shown), serves to advance the pinion already mentioned.
- the armature 11 is provided with an axial recess 17 facing the magnetic core 6, into which a spiral compression spring 18 engages at one end and is supported there on the base of the recess 17, the other end of the spiral compression spring 18 on Magnetic core 6 is present.
- the spiral compression spring 18 thus forms a return spring for the armature 11.
- the part 13 of the switching axis 14 is supported in an opening 19 in the magnetic core 6.
- the opening 19 has a larger-diameter guide section 20 which faces a contact chamber 21 and has a smaller-diameter region 22 which faces the armature 11.
- the part 13 of the switching axis 14 has an annular groove 23, in which a bearing sleeve 24 engages.
- the bearing sleeve 24 is guided with its outer surface axially displaceable in the area 22 of the opening 19.
- a contact spring 26 is supported at one end on the upper section 25 of the bearing sleeve 24 and at its other end on a bushing 27, the bushing 27 being axially displaceably mounted in the guide section 20 of the opening 19.
- the contact spring 26 engages in a blind bore 28 of the socket 27, wherein it is supported on the bottom of the blind bore 28.
- the socket 27 is provided with a collar 29 of smaller diameter, onto which a contact bridge 30 is pushed.
- the collar 29 extends through a hole 31 of the contact bridge, means being provided which bring about a non-rotatable mounting between the socket 27 and the contact bridge 30.
- the part 13 of the switching axis 14 has a stop collar 33 on which a compression spring 34 is supported with one end, the other end of which rests on the inside of a housing cover 35. Inside the housing cover 35, the already mentioned contact chamber 21 is formed.
- the contact bridge 30 is arranged between an annular surface 37 of the bushing 27 and the insulating washer 36 adjoining the collar 29, the latter being clamped between the parts mentioned by means of the contact spring 26. In this way, the contact bridge 30 is held on the one hand in a defined but resilient position on the part 13 of the switching axis 14 and can apply the corresponding contact pressure for switching the main current.
- the contact bridge 30 interacts with main current contacts 38 which are arranged on the housing cover 35.
- an anti-rotation device 39 is provided between the socket 27 and the magnetic core 6. This leads to the fact that the socket 27 always maintains its angular position relative to the magnetic core 6 during the operation of the engagement relay 1, so that the contact bridge 30, which is held on the socket 27 in a rotationally fixed manner, always maintains the desired position with respect to the main current contacts 38.
- the bushing 27 for forming the anti-rotation device 39 has a non-circular cross section 40 with respect to its lateral surface 41, the guide section 20 of the opening 19 matching the shape of the non-circular cross-sectional configuration is designed so that the two parts can not rotate relative to each other.
- the non-circular cross section is preferably designed as a polygon 42, in particular as a hexagon 43.
- the operation of the engagement relay results in the following function: If the relay coil 2 of the engagement relay 1 is energized, the armature 11 is drawn into the interior of the relay coil 2, as a result of which the axial distance a between the two parts 12 and 13 of the two-part switching axis 14 is continuously reduced until the two parts 12 and 13 meet axially, whereby the armature 11 shifts the part 13 of the switching axis 14 to the right (FIG. 1). The part 13 of the switching axis 14 takes the contact bridge 30 via the socket 27, which finally contacts the main current contacts 38 for switching on the main current.
- the switching path is dimensioned such that the bushing 27 always remains with a part of its cross-section 40 within the guide section 20, a fixed angular position between these parts being maintained due to the non-circular cross-section 40 and the correspondingly designed cross-sectional configuration of the guide section 20.
- FIGS. 4 to 9 show further exemplary embodiments of an engagement relay which corresponds in structure to the exemplary embodiment in FIG. 1, but only has a differently designed anti-rotation device 39 on the socket 27, which will be discussed in more detail below.
- the anti-rotation device 39 of the second and third exemplary embodiments is formed by a non-planar end face 44 of the bushing 27 and a correspondingly shaped head face 45 of the guide section 20 of the opening 19.
- the head surface 45 arises due to the larger-diameter guide section 20 compared to the smaller-diameter, remaining area 22 of the opening 19. In this respect, the head surface 45 forms an annular step 46 of the opening 19.
- the anti-rotation device 39 is formed in that axially directed teeth 47 are arranged on the end face 44, which engage in corresponding depressions 48 on the head face 45 when the engagement relay 1 is in the de-energized state located.
- the teeth 47 are preferably arranged in a circle on the end face 44, as a result of which the bushing 27 is given a crown-like appearance.
- the teeth have inclined flanks 49 such that they widen in the direction of the tooth roots 50 or taper in the direction of the tooth heads 51.
- Appropriate training is provided in the recesses 48.
- a nose / recess connection 52 is provided between these parts.
- This nose / recess connection 52 can be provided on the collar 29 in the form of one or more lugs and on the hole 31 of the contact bridge 30 in the form of one or more corresponding recesses.
- 27 lugs 53 are provided on the annular surface 37 of the socket, which engage in corresponding recesses 54 on the contact bridge.
- Two diametrically opposed lugs 53 are preferably provided. These lugs 53 taper in the direction of their free end regions; the recesses 54 are formed accordingly, so that the bushing 27 holds the contact bridge 30 in a rotationally fixed manner.
- the lateral surface of the bushing 27 is conical in the region of the teeth 47, whereby Cross section enlarged in the direction of the contact bridge 30. Accordingly, the guide section 20 at the opening 19 of the magnetic core 6 is conical in that it tapers with increasing depth.
- the bushing 27 is cylindrical. It engages in a correspondingly cylindrical guide section of the magnetic core 6, as indicated by dashed lines in FIG. 4 at 20a.
- FIGS. 10 and 11 show two variants of the exemplary embodiment of FIGS. 1 to 3, since here a conical cross-section 40 is provided for the anti-rotation device 39, that is to say the surfaces of the polygon 42 run obliquely, a corresponding configuration being provided in the guide section 20 . As a result, the bushing 27 is supported in the guide section 20 without play when the engagement relay is not energized.
- a further advantageous variant of an anti-rotation device is to provide the conical hexagon guide of the guide bushing 27 according to FIG. 11 with a tooth contour 47 at the end facing away from the contact plate and to design the guide section at the opening of the magnetic core 6 accordingly.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Claims (10)
- Contacteur à solénoïde pour un démarreur d'un moteur à combustion interne comprenant un noyau magnétique (6) auquel est associé une bobine de relais (2) et un induit (11) avec un axe de commutation (14) portant le pont de contact (30), cet axe traversant un passage (19) du noyau magnétique (6) pourvu d'une douille (27) logée dans un segment de guidage (20) de ce passage (19) caractérisé en ce qu'au niveau du guidage entre le noyau magnétique (6) et la douille (27) il y a un blocage en rotation (39).
- Contacteur à solénoïde selon la revendication 1, caractérisé en ce que le blocage en rotation (39) est réalisé par une section (40) de la surface enveloppe de la douille (27) qui est polygonale notamment hexagonale et le segment de guidage (20) du passage (19) a une forme adaptée au contour de la section de la surface enveloppe.
- Contacteur à solénoïde selon la revendication 1 ou 2, caractérisé en ce que le segment de guidage (20) du noyau magnétique (6) est conique de façon à diminuer en fonction de la profondeur en ce que la surface enveloppe de la douille (27) est conique et sa section augmentent en direction du pont de contact (30).
- Contacteur à solénoïde selon l'une des revendications précédentes, caractérisé en ce que le blocage en rotation (39) est formé par une surface frontale (44) non plane de la douille (27) à son extrémité opposée à celle du pont de contact (30), la surface frontale (44) coopérant avec une surface de tête (45) de forme correspondante du segment de guidage.
- Contacteur à solénoïde selon la revendication 4, caractérisé en ce que la surface frontale (45) est en forme d'épaulement annulaire (46) du passage (19), le segment de guidage (20) ayant un diamètre plus grand que la partie restante (22) du passage (19).
- Contacteur à solénoïde selon l'une des revendications 4 à 5, caractérisé en ce que des dents (47) sont réparties en cercle sur la surface frontale (44) et viennent prendre dans des cavités (48) correspondantes de la surface de tête (45).
- Contacteur à solénoïde selon la revendication 6, caractérisé en ce que les dents (47) ont des flancs (49) inclinésas'élargissent en direction de la base des dents (50) et se rétrécissant en direction de la tête des dents (51).
- Contacteur à solénoïde selon l'une des revendications précédentes, caractérisé en ce que le pont de contact (30) est accroché solidairement en rotation sur la douille (27) par une liaison par bec et cavité (52).
- Contacteur à solénoïde selon la revendication 8, caractérisé en ce que la douille (27) a une collerette (29) de diamètre réduit traversant un orifice (31) du pont de contact (30) et la liaison bec/cavité (52) est réalisée sur la collerette (29) ou sur l'orifice (31).
- Contacteur à solénoïde selon la revendication 9, caractérisé en ce que la collerette (29) est adjacente à une surface annulaire (37) de la douille (27), la surface annulaire (37) ayant au moins un bec (53) et plusieurs cavités correspondantes (54) sur le pont de contact (30) pour permettre de choisir des positions de rotation différentes entre le pont de contact (30) et le noyau magnétique (6).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4117242A DE4117242C1 (fr) | 1991-05-27 | 1991-05-27 | |
DE4117242 | 1991-05-27 | ||
PCT/DE1992/000329 WO1992022082A1 (fr) | 1991-05-27 | 1992-04-24 | Contacteur a solenoïde pour le demarreur d'un moteur a combustion interne |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0586401A1 EP0586401A1 (fr) | 1994-03-16 |
EP0586401B1 true EP0586401B1 (fr) | 1995-07-19 |
Family
ID=6432506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92908923A Expired - Lifetime EP0586401B1 (fr) | 1991-05-27 | 1992-04-24 | Contacteur a solenoide pour le demarreur d'un moteur a combustion interne |
Country Status (7)
Country | Link |
---|---|
US (1) | US5481236A (fr) |
EP (1) | EP0586401B1 (fr) |
JP (1) | JPH06507517A (fr) |
AU (1) | AU653596B2 (fr) |
DE (2) | DE4117242C1 (fr) |
ES (1) | ES2075693T3 (fr) |
WO (1) | WO1992022082A1 (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU3426895A (en) | 1994-10-17 | 1996-05-02 | Canon Kabushiki Kaisha | Toner container, toner container assembling method, process cartridge, and electrophotographic image forming apparatus |
AU750347B2 (en) * | 1994-10-17 | 2002-07-18 | Canon Kabushiki Kaisha | Toner container, toner container assembling method, process cartridge, and electrophotographic image forming apparatus |
DE19549179B4 (de) * | 1995-12-30 | 2005-10-27 | Robert Bosch Gmbh | Einrückrelais für eine Andrehvorrichtung |
DE19951116A1 (de) * | 1999-10-23 | 2001-04-26 | Bosch Gmbh Robert | Relais, insbesondere für eine Startvorrichtung |
US7551049B2 (en) * | 2004-11-08 | 2009-06-23 | Denso Corporation | Structure of electromagnetic switch for starter |
US7404540B2 (en) * | 2006-02-02 | 2008-07-29 | Delphi Technologies, Inc. | Primary pole piece for a solenoid actuator |
DE102007040164A1 (de) * | 2007-08-21 | 2009-02-26 | Siemens Ag | Schaltgerät mit einem doppelt unterbrechenden Drehkontaktsystem sowie mehrpolige Schaltgeräteanordnung |
DE102008002098A1 (de) * | 2008-05-30 | 2009-12-03 | Robert Bosch Gmbh | Einrückrelais für Starter von Brennkraftmaschinen |
DE102008043186A1 (de) * | 2008-10-27 | 2010-04-29 | Robert Bosch Gmbh | Elektromagnetischer Schalter für eine Startvorrichtung sowie Verfahren zum Schalten des elektromagnetischen Schalters |
DE102009047080B4 (de) * | 2009-11-24 | 2012-03-29 | Tyco Electronics Amp Gmbh | Elektrischer Schalter |
DE102011080477B4 (de) * | 2011-08-05 | 2021-09-02 | Seg Automotive Germany Gmbh | Starter und Startrelais mit Verdrehsicherung |
KR200486560Y1 (ko) * | 2014-01-27 | 2018-06-07 | 엘에스산전 주식회사 | 전자개폐장치 |
KR101869719B1 (ko) * | 2014-09-15 | 2018-06-21 | 엘에스산전 주식회사 | 전자접촉기 |
DE102015225872A1 (de) * | 2015-12-18 | 2017-06-22 | Robert Bosch Gmbh | Elektromagnetisches Relais, insbesondere Starterrelais für eine Startvorrichtung |
JP6828294B2 (ja) * | 2016-07-29 | 2021-02-10 | オムロン株式会社 | 電磁継電器 |
JP6668997B2 (ja) * | 2016-07-29 | 2020-03-18 | オムロン株式会社 | 電磁継電器 |
JP6919504B2 (ja) * | 2017-10-31 | 2021-08-18 | オムロン株式会社 | 電磁継電器 |
JP6801629B2 (ja) * | 2017-10-31 | 2020-12-16 | オムロン株式会社 | 電磁継電器 |
JP2019083174A (ja) * | 2017-10-31 | 2019-05-30 | オムロン株式会社 | 電磁継電器 |
CN111971773A (zh) * | 2018-02-07 | 2020-11-20 | Tdk电子股份有限公司 | 用于切换电负载的切换装置 |
DE102018206272B3 (de) * | 2018-04-24 | 2019-10-10 | Siemens Aktiengesellschaft | Kontaktsystem für einen elektrischen Schalter |
EP3617494A1 (fr) * | 2018-08-28 | 2020-03-04 | Mahle International GmbH | Commutateur électromagnétique pour un dispositif de démarrage |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2804815C2 (de) * | 1978-02-04 | 1986-09-04 | Robert Bosch Gmbh, 7000 Stuttgart | Elektromagnetischer Schalter, insbesondere für Andrehvorrichtungen von Brennkraftmaschinen |
DE3030776A1 (de) * | 1980-08-14 | 1982-03-25 | Robert Bosch Gmbh, 7000 Stuttgart | Elektromagnetischer schalter, insbesondere fuer elektrische andrehvorrichtungen von brennkraftmaschinen |
DE8221714U1 (de) * | 1982-07-30 | 1982-09-23 | Robert Bosch Gmbh, 7000 Stuttgart | Elektromagnetischer Schalter, insbesondere für Andrehvorrichtungen von Brennkraftmaschinen |
DE3632469A1 (de) * | 1986-09-24 | 1988-03-31 | Bosch Gmbh Robert | Elektromagnetischer schalter, insbesondere fuer andrehvorrichtungen von brennkraftmaschinen |
US4725801A (en) * | 1986-10-24 | 1988-02-16 | Hamilton Standard Controls, Inc. | Bistable solenoid switch |
-
1991
- 1991-05-27 DE DE4117242A patent/DE4117242C1/de not_active Expired - Lifetime
-
1992
- 1992-04-24 DE DE59202972T patent/DE59202972D1/de not_active Expired - Fee Related
- 1992-04-24 WO PCT/DE1992/000329 patent/WO1992022082A1/fr active IP Right Grant
- 1992-04-24 EP EP92908923A patent/EP0586401B1/fr not_active Expired - Lifetime
- 1992-04-24 ES ES92908923T patent/ES2075693T3/es not_active Expired - Lifetime
- 1992-04-24 JP JP4508431A patent/JPH06507517A/ja active Pending
- 1992-04-24 US US08/133,180 patent/US5481236A/en not_active Expired - Fee Related
- 1992-04-24 AU AU16646/92A patent/AU653596B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE59202972D1 (de) | 1995-08-24 |
US5481236A (en) | 1996-01-02 |
DE4117242C1 (fr) | 1992-07-16 |
JPH06507517A (ja) | 1994-08-25 |
WO1992022082A1 (fr) | 1992-12-10 |
EP0586401A1 (fr) | 1994-03-16 |
ES2075693T3 (es) | 1995-10-01 |
AU653596B2 (en) | 1994-10-06 |
AU1664692A (en) | 1993-01-08 |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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Effective date: 19931105 |
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