EP0586401A1 - Solenoid switch for the starter of an internal combustion engine. - Google Patents
Solenoid switch for the starter of an internal combustion engine.Info
- Publication number
- EP0586401A1 EP0586401A1 EP92908923A EP92908923A EP0586401A1 EP 0586401 A1 EP0586401 A1 EP 0586401A1 EP 92908923 A EP92908923 A EP 92908923A EP 92908923 A EP92908923 A EP 92908923A EP 0586401 A1 EP0586401 A1 EP 0586401A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- relay according
- socket
- engagement relay
- contact bridge
- magnetic core
- 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.)
- Granted
Links
- 239000007858 starting material Substances 0.000 title claims abstract description 14
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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 push-screw drive starter) of an internal combustion engine, with a magnetic core to which a relay coil is assigned and with an armature that has a switching axis that penetrates a breakthrough of the magnetic core and on which a socket is arranged, which is supported in a guide section of the opening and which carries a contact bridge.
- starter in particular push-screw drive starter
- 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 means of the engagement relay.
- the engagement relay has a further function, since it serves to advance the pinion of the starter 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, when the engagement relay is energized, connects main current contacts to one another.
- 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 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 it is also expedient for the outer surface of the socket to be designed in such a way that its cross section increases in the direction of the contact bridge. This has the advantage of an enlarged guide and support surface.
- 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 top surface is preferably designed as an annular shoulder of the opening, the guide section for receiving the bush having a larger diameter than the rest of the 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 has a crown-shaped appearance due to the tooth formation. It is preferably provided that the socket and therefore the contact bridge can be mounted in different rotational angle positions by rotating at least one tooth pitch relative to the magnetic core. With this measure, a corresponding angular assignment between the contact bridge and the magnetic core can thus be carried out during assembly of the engagement relay, in order, for example, to be able to take into account structural features of an engine compartment of a motor vehicle.
- the contact bridge is attached to the socket in a manner fixed against relative rotation.
- 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 it is also possible for the collar to adjoin 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 corresponding recess engages on the contact bridge.
- Preferably two diametrically opposed lugs and corresponding recesses are provided. It is advantageous if 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.
- several recesses are provided for the selection of different rotational angle positions on the contact bridge, so that during assembly the nose is assigned to a selected recess and in so far as an individual rotational angle position is specified.
- FIG. 1 shows a longitudinal section through an engagement relay of a starting device of an internal combustion engine
- FIG. 2 shows a plan view of a socket for a contact bridge of the engagement relay according to FIG. 1,
- FIG. 3 the socket of FIG. 2 in side view
- FIG. 4 shows a longitudinal section through an engagement relay according to another embodiment, but only the area of a contact chamber is shown
- FIG. 5 shows a top view of a socket for holding a contact bridge according to the exemplary embodiment in FIG. 4,
- 6 to 9 show the bushing of a further exemplary embodiment in longitudinal section, in plan view, in side view and in rear view and
- FIGS. 10 and 11 show a further exemplary embodiment of a polygon socket with conical walls.
- FIG. 1 shows a cross section through an engagement relay 1, which is used to advance a pinion for engagement in the ring gear of an internal combustion engine (not shown) and is used at the same time for this purpose with a relatively low control current (which is switched on by means of an ignition start switch) to switch a high starter current for the operation of the starting device.
- 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 overlaps with its one end 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 bears 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 assigned to the armature 11 and the part 13 being assigned to 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 1 (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 at 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 supported 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 against the inside of a housing cover 35 .
- a compression spring 34 is supported with one end, the other end of which rests against the inside of a housing cover 35 .
- the aforementioned contact chamber 21 is formed inside the housing cover 35.
- 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 flexible 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 held in rotation on the socket 27 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 i ⁇ t 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 ⁇ device 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 in such a way that the bushing 27 with a part of its cross-section 40 always remains within the guide section 20, with a fixed angular position between these parts due to the non-circular cross-section 40 and the correspondingly configured cross-sectional configuration of the guide section 20 preserved.
- 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 owing to the larger-diameter guide section 20 in comparison to the smaller 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 by axially directed teeth 47 being arranged on the end face 44, which engage in corresponding depressions 48 on the head face 45 when this occurs Engagement relay 1 is in the de-energized state.
- 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 such inclined flanks 49 that they widen in the direction of the tooth roots 50 or taper in the direction of the tooth heads 51.
- a corresponding 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.
- lugs 53 which engage in corresponding recesses 54 on the contact bridge.
- two diametrically opposed lugs 53 are provided. These lugs 53 taper in the direction of their free end regions; the recesses 54 are designed accordingly, so that the socket 27 holds the contact bridge 30 in a manner fixed against relative rotation.
- the outer surface of the bushing 27 is conical in the region of the teeth 47, with it being the same 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 also 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 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, with a corresponding configuration in the guide cut 20 is provided. 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 means 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 guide the guide section at the opening of the magnetic core 6 accordingly shape.
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
La présente invention se rapporte à un contacteur à solénoïde pour l'appareil de démarrage (démarreur) d'un moteur à combustion interne, comportant un noyau magnétique auquel est associée une bobine de relais, ainsi qu'un induit, lequel présente un axe de commutation passant par une ouverture du noyau magnétique et sur lequel est montée une douille se trouvant dans une section de guidage de l'ouverture et portant un pont de contact. L'invention se distingue en ce que dans la zone du guidage entre le noyau magnétique (6) et la douille (27) est placé un dispositif (39) empêchant la rotation.The present invention relates to a solenoid contactor for the starting device (starter) of an internal combustion engine, comprising a magnetic core with which is associated a relay coil, as well as an armature, which has an axis of switching passing through an opening of the magnetic core and on which is mounted a bushing located in a guide section of the opening and carrying a contact bridge. The invention differs in that in the region of the guide between the magnetic core (6) and the sleeve (27) is placed a device (39) preventing rotation.
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4117242 | 1991-05-27 | ||
DE4117242A DE4117242C1 (en) | 1991-05-27 | 1991-05-27 | |
PCT/DE1992/000329 WO1992022082A1 (en) | 1991-05-27 | 1992-04-24 | Solenoid switch for the starter of an internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0586401A1 true EP0586401A1 (en) | 1994-03-16 |
EP0586401B1 EP0586401B1 (en) | 1995-07-19 |
Family
ID=6432506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92908923A Expired - Lifetime EP0586401B1 (en) | 1991-05-27 | 1992-04-24 | Solenoid switch for the starter of an internal combustion engine |
Country Status (7)
Country | Link |
---|---|
US (1) | US5481236A (en) |
EP (1) | EP0586401B1 (en) |
JP (1) | JPH06507517A (en) |
AU (1) | AU653596B2 (en) |
DE (2) | DE4117242C1 (en) |
ES (1) | ES2075693T3 (en) |
WO (1) | WO1992022082A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6215969B1 (en) | 1994-10-17 | 2001-04-10 | 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 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19549179B4 (en) * | 1995-12-30 | 2005-10-27 | Robert Bosch Gmbh | Engagement relay for a starter |
DE19951116A1 (en) * | 1999-10-23 | 2001-04-26 | Bosch Gmbh Robert | Relay for internal combustion engine starting device, has coupling member connecting control rod to armature with limited displacement |
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 (en) * | 2007-08-21 | 2009-02-26 | Siemens Ag | Low voltage switching device e.g. power switch, for three-pole switching device arrangement, has rotary contact system arranged such that contact bridge is axially lifted in case of overvoltage or short circuit |
DE102008002098A1 (en) * | 2008-05-30 | 2009-12-03 | Robert Bosch Gmbh | Engagement relay for starters of internal combustion engines |
DE102008043186A1 (en) * | 2008-10-27 | 2010-04-29 | Robert Bosch Gmbh | Electromagnetic switch for a starting device and method for switching the electromagnetic switch |
DE102009047080B4 (en) * | 2009-11-24 | 2012-03-29 | Tyco Electronics Amp Gmbh | Electric switch |
DE102011080477B4 (en) * | 2011-08-05 | 2021-09-02 | Seg Automotive Germany Gmbh | Starter and starter relay with anti-twist protection |
KR200486560Y1 (en) * | 2014-01-27 | 2018-06-07 | 엘에스산전 주식회사 | Electromagnetic relay |
KR101869719B1 (en) * | 2014-09-15 | 2018-06-21 | 엘에스산전 주식회사 | Elctromagnet Contactor |
DE102015225872A1 (en) * | 2015-12-18 | 2017-06-22 | Robert Bosch Gmbh | Electromagnetic relay, in particular starter relay for a starting device |
JP6668997B2 (en) * | 2016-07-29 | 2020-03-18 | オムロン株式会社 | Electromagnetic relay |
JP6828294B2 (en) * | 2016-07-29 | 2021-02-10 | オムロン株式会社 | Electromagnetic relay |
JP2019083174A (en) * | 2017-10-31 | 2019-05-30 | オムロン株式会社 | Electromagnetic relay |
JP6919504B2 (en) * | 2017-10-31 | 2021-08-18 | オムロン株式会社 | Electromagnetic relay |
JP6801629B2 (en) * | 2017-10-31 | 2020-12-16 | オムロン株式会社 | Electromagnetic relay |
CN118248498A (en) * | 2018-02-07 | 2024-06-25 | Tdk电子股份有限公司 | Switching device for switching an electrical load |
DE102018206272B3 (en) * | 2018-04-24 | 2019-10-10 | Siemens Aktiengesellschaft | Contact system for an electrical switch |
EP3617494A1 (en) * | 2018-08-28 | 2020-03-04 | Mahle International GmbH | Electromagnetic switch for a starting device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2804815C2 (en) * | 1978-02-04 | 1986-09-04 | Robert Bosch Gmbh, 7000 Stuttgart | Electromagnetic switch, in particular for starting devices for internal combustion engines |
DE3030776A1 (en) * | 1980-08-14 | 1982-03-25 | Robert Bosch Gmbh, 7000 Stuttgart | ELECTROMAGNETIC SWITCHES, IN PARTICULAR FOR ELECTRICAL TURNING DEVICES OF INTERNAL COMBUSTION ENGINES |
DE8221714U1 (en) * | 1982-07-30 | 1982-09-23 | Robert Bosch Gmbh, 7000 Stuttgart | Electromagnetic switch, in particular for starting devices for internal combustion engines |
DE3632469A1 (en) * | 1986-09-24 | 1988-03-31 | Bosch Gmbh Robert | ELECTROMAGNETIC SWITCHES, IN PARTICULAR FOR TURNING DEVICES OF INTERNAL COMBUSTION ENGINES |
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 ES ES92908923T patent/ES2075693T3/en not_active Expired - Lifetime
- 1992-04-24 AU AU16646/92A patent/AU653596B2/en not_active Ceased
- 1992-04-24 WO PCT/DE1992/000329 patent/WO1992022082A1/en active IP Right Grant
- 1992-04-24 US US08/133,180 patent/US5481236A/en not_active Expired - Fee Related
- 1992-04-24 EP EP92908923A patent/EP0586401B1/en not_active Expired - Lifetime
- 1992-04-24 JP JP4508431A patent/JPH06507517A/en active Pending
- 1992-04-24 DE DE59202972T patent/DE59202972D1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9222082A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6215969B1 (en) | 1994-10-17 | 2001-04-10 | 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 |
Also Published As
Publication number | Publication date |
---|---|
DE59202972D1 (en) | 1995-08-24 |
EP0586401B1 (en) | 1995-07-19 |
AU1664692A (en) | 1993-01-08 |
US5481236A (en) | 1996-01-02 |
WO1992022082A1 (en) | 1992-12-10 |
JPH06507517A (en) | 1994-08-25 |
ES2075693T3 (en) | 1995-10-01 |
DE4117242C1 (en) | 1992-07-16 |
AU653596B2 (en) | 1994-10-06 |
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