EP2247849B1 - Procédé de fonctionnement d'un dispositif de démarrage et dispositif de démarrage - Google Patents

Procédé de fonctionnement d'un dispositif de démarrage et dispositif de démarrage Download PDF

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Publication number
EP2247849B1
EP2247849B1 EP08871725.1A EP08871725A EP2247849B1 EP 2247849 B1 EP2247849 B1 EP 2247849B1 EP 08871725 A EP08871725 A EP 08871725A EP 2247849 B1 EP2247849 B1 EP 2247849B1
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EP
European Patent Office
Prior art keywords
winding
switching
displacement means
intermediate core
starting apparatus
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.)
Not-in-force
Application number
EP08871725.1A
Other languages
German (de)
English (en)
Other versions
EP2247849A1 (fr
Inventor
Thomas Botzenhard
Jochen Gattnar
Jochen Heusel
Martin Neuburger
Peter Farr
Karl-Otto Schmidt
Apostolos Tsakiris
Torsten Knorr
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Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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Filing date
Publication date
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Publication of EP2247849A1 publication Critical patent/EP2247849A1/fr
Application granted granted Critical
Publication of EP2247849B1 publication Critical patent/EP2247849B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/067—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement the starter comprising an electro-magnetically actuated lever
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0851—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear
    • F02N11/0855—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear during engine shutdown or after engine stop before start command, e.g. pre-engagement of pinion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/087—Details of the switching means in starting circuits, e.g. relays or electronic switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop

Definitions

  • the invention relates to a method for operating a starting device and a starting device according to the invention according to the preamble of the independent claims. From the DE 10 2005 021 227 A1 For example, there is known a starting device used in a vehicle having a start-stop operation.
  • the starting device 10 is activated during the driving operation of a vehicle by the engine control unit 21, in which the internal combustion engine is switched off from there at the beginning of a stop phase of the vehicle, for example by detecting the rotational speed at the front wheels of the vehicle.
  • This is first triggered via a control bus 20 of the control unit 19 in a first stage, a meshing operation of the starter pinion 13 in the ring gear 14 of the machine 15 by a dosed exciter current is applied to the starter relay 12 via the transistor Tr1.
  • the starter pinion 13 is now advanced axially via an engagement lever 24 for meshing in the ring gear 14.
  • the starter motor 11 is controlled by the control unit 19 via the transistor Tr2 via the motor terminal Kl45 dosed in order to turn in a tooth-on-tooth position, the starter pinion 13 gently into the next tooth gap on the ring gear 14.
  • the starter pinion 13 now spurs completely silent in the ring gear 14 of the machine 15 and is held by the starter relay 12 in this position.
  • the switching contact 18 remains in the open position. Only when, for example, by actuating an actuator representing the driver's request, For example, the accelerator pedal, the driver's start request is detected by a corresponding signal of the engine control unit 21 to the control unit 19, the starter relay 12 in a second stage for starting the engine 15 via the actuator representing the driver's request, For example, the accelerator pedal, the driver's start request is detected by a corresponding signal of the engine control unit 21 to the control unit 19, the starter relay 12 in a second stage for starting the engine 15 via the
  • Transistor Tr1 driven with increased current and thereby closed the switch contact 18 with full force.
  • the starter motor 11 is connected via the switching contact 18 of the starter relay 12 to the terminal B + of the accumulator battery, not shown, and the internal combustion engine 15 is turned on immediately with full force.
  • the aim of the present solution is to control the starter relay even better and more precisely and to control the kinematic relationships between relay, fork lever and starter pinion even more precisely.
  • the lifting means is moved in the direction of the end position in order to trigger an electrical switching operation, it is defined in time-limited limits after which period of time the electrical switching operation is triggered.
  • start-up of the starter motor is triggered by causing the lifting means to move a switching means for switching a main current of the starter motor, by which an electric voltage is applied to a contact and thus the starter motor is put into operation, it is relatively little effort the starter motor switchable.
  • the starter motor is zwangsschaltbar, d. H. the starter motor is only switched on after it is very certain that the starting pinion has intervened in the ring gear. Coordination disorders are not expected at this point.
  • a tooth-on-tooth position between the starting pinion and a ring gear is provided to move the starting pinion about its axis of rotation by an electric motor.
  • the starter motor is briefly energized, thereby rotating the starter pinion. This short-term energization of the starter motor happens before the switching means switches the main current of the starter motor.
  • a winding is energized for pre-insertion or a first winding for pre-insertion and a second winding is energized for pre-picking.
  • a winding is energized for pre-insertion or a first winding for pre-insertion and a second winding is energized for pre-picking.
  • the winding which is turned off in this case, is a kind of pull-in winding - the winding, which generates the stronger magnetic field as a "pull-in winding" - whose magnetic field is not needed for pure holding of the lifting means.
  • This feeder winding It is needed to overcome the movement resistance (springs, masses, friction, etc.).
  • the winding to be disconnected is switched off depending on time or position. Time-dependent means that the winding to be switched off is switched off for prerelease after a certain preset time. Thus, it is avoided, for example, that a vehicle in start-stop mode during the holding signal display of a traffic light, for example, allows the current to flow through this intake winding for too long.
  • a position-dependent switching of the winding for pre-insertion is for example possible because the lifting means after reaching a certain position, here for example the intermediate position, mechanically shuts off the one winding for pre-picking.
  • either one winding for switching or two windings for switching can be provided.
  • disconnection of one of the two windings - the winding which generates the stronger magnetic field as a "pull-in winding" - may be provided. when the final position is reached.
  • a time or storage-dependent circuit can be made.
  • the at least one winding is switched off for pre-picking.
  • an inventive starting device for internal combustion engines is provided. Advantages have already been mentioned for the aforementioned method claims, so that only advantages of the device are discussed, provided that these differ from the aforementioned advantages. So has the intermediate core than through the at least one Voreinspurwicklung Excitable area has the advantage that thereby the position of the lifting means is very accurately adjustable.
  • the annular intermediate core is cup-shaped, wherein in this case the intermediate core has the shape of a halved ring which has a halved cylinder wall on its outer sides.
  • the intermediate core has an opening through which at least one electrical conductor protrudes, which serves to supply power to the at least one winding for toeing.
  • a pin firmly connected to the lifting means in the thrust direction faces a switching pin, wherein the switching pin carries a switching means, preferably a contact bridge of a starter motor current switch, a switch can be displayed in a particularly robust manner.
  • a switching means preferably a contact bridge of a starter motor current switch
  • a switch can be displayed in a particularly robust manner.
  • a spring element, the at least one winding for toe or the winding support against the intermediate core suppressed. This allows a relatively cost-effective way tolerance compensation.
  • FIG. 1 shows a starting device 10 in a longitudinal section.
  • This starting device 10 has, for example, a starter motor 13 and a pusher 16.
  • the starter motor 13 and the thruster 16 are attached to a common drive end plate 19.
  • the starter motor 13 is functionally to drive a starter pinion 22 when it is meshed in the ring gear 25 of the internal combustion engine, not shown here.
  • the starter motor 13 has a pole tube as a housing 28, which carries on its inner circumference pole pieces 31, which are each wrapped by a field winding 34.
  • the pole shoes 31 in turn surround an armature 37, which has an armature packet 43 constructed from fins 40 and an armature winding 49 arranged in grooves 46.
  • the armature package 43 is pressed onto a drive shaft 44.
  • a commutator 52 is furthermore mounted, which is constructed, inter alia, from individual commutator bars 55.
  • the commutator bars 55 are in such a manner electrically connected to the armature winding 49 that results in energizing the commutator fins 55 by carbon brushes 58, a rotational movement of the armature 37 in the pole tube 28.
  • An arranged between the pusher 16 and the starter motor 13 power supply 61 supplies in the on state, both the carbon brushes 58 and the field winding 34 with power.
  • the drive shaft 13 is commutator side supported with a shaft journal 64 in a sliding bearing 67, which in turn is held stationary in a Kommutatorlagerdeckel 70.
  • the commutator 70 is in turn secured by means of tie rods 73 which are arranged distributed over the circumference of the pole tube 28 (screws, for example, two, three or four pieces) in the drive bearing plate 19. It supports the pole tube 28 on the drive bearing plate 19 and the Kommutatorlagerdeckel 70 on the pole tube 28th
  • a so-called sun gear 80 connects to the armature 37, which is part of a planetary gear 83.
  • the sun gear 80 is surrounded by a plurality of planetary gears 86, usually 3 planet gears 37, which are supported by means of rolling bearings 89 on journals 92.
  • the planet gears 37 roll in a ring gear 95, which is mounted outside in the pole tube 28.
  • the planet gears 37 are followed by a planetary carrier 98, in which the axle journals 92 are received.
  • the planet carrier 98 is in turn stored in an intermediate storage 101 and a slide bearing 104 arranged therein.
  • the intermediate bearing 101 is designed cup-shaped, that in this both the planet carrier 98, and the planet wheels 86 are added.
  • the ring gear 95 is arranged in the cup-shaped intermediate bearing 101, which is ultimately closed by a cover 107 relative to the armature 37.
  • the intermediate bearing 101 is supported with its outer circumference on the inside of the pole tube 28.
  • the armature 37 faces away from the commutator 52 End of the drive shaft 13 to another shaft journal 110, which is also received in a sliding bearing 113, from.
  • the sliding bearing 113 in turn is received in a central bore of the planet carrier 98.
  • the planetary carrier 98 is integrally connected to the output shaft 116.
  • This output shaft is supported with its end 119 facing away from the intermediate bearing 101 in a further bearing 122 which is fixed in the drive bearing plate 19.
  • the output shaft 116 is divided into various sections.
  • the section which is arranged in the sliding bearing 104 of the intermediate bearing 101 a portion with a so-called spur toothing 125 (internal teeth), which is part of a so-called shaft-hub connection.
  • This shaft-hub connection 128 in this case allows the axially rectilinear sliding of a driver 131.
  • This driver 131 is a sleeve-like extension which is integrally connected to a cup-shaped outer ring 132 of the freewheel 137.
  • This freewheel 137 (Richtgesperre) further consists of the inner ring 140 which is disposed radially within the outer ring 132. Between the inner ring 140 and the outer ring 132 clamping body 138 are arranged.
  • clamp bodies 138 in cooperation with the inner and outer rings, prevent relative rotation between the outer ring and the inner ring in a second direction.
  • the freewheel 137 allows a circumferential relative movement between inner ring 140 and outer ring 134 in one direction only.
  • the inner ring 140 is formed integrally with the starter pinion 22 and its helical teeth 143 (external helical teeth).
  • the starter pinion 22 could alternatively be designed as a spur pinion.
  • electromagnetically excited pole pieces 31 with exciter winding 34 permanent magnetically excited poles could also be used.
  • the pusher 16 has a bolt 150 which is an electrical contact and, in the case of being installed in the vehicle, is connected to the positive terminal of an electric starter battery which is not shown here.
  • This bolt 150 is passed through a lid 153.
  • This cover 153 closes off a housing 156, which is fastened to the drive end shield 19 by means of a plurality of fastening elements 159 (screws).
  • a pre-insertion winding 162 and a switching winding 165 are further arranged.
  • the pre-insertion winding 162 and the Winding for switching 165 each cause in the on state an electromagnetic field which flows through various components.
  • an intermediate core 166 is arranged between the winding 162 for pre-tracking and the winding for switching 165.
  • the intermediate core is arranged as an annular plate between the two said windings 162 and 165.
  • This magnetic field affects a linearly movable armature, which is designated here as a lifting means 168, and possibly a return core 171.
  • the lifting means 168 carries a push rod 174, which is moved in the direction of linear movement of the lifting means 168 in the direction of a switching pin 177.
  • the starter motor 13 is energized.
  • the pushing device 16 or the lifting means 168 also has the task of using a tensioning element 187 to move a lever 190 arranged in a rotatable manner in the drive bearing plate 19.
  • This lever 190 usually designed as a fork lever, engages with two "tines" or fork arms, not shown here, on its outer circumference a driver ring 197 located between two disks 193 and 194 in order to move the latter toward the freewheel 137 against the resistance of the spring 200 and thereby the Andrehritzel 22 conveyspuren in the ring gear 25.
  • the housing 156 of in FIG. 2 has an approximately cup-shaped shape, wherein the housing 156 has a housing wall 202 and a housing bottom 204.
  • This housing bottom 204 has an opening 207, through which the lifting means 168 protrudes.
  • the housing wall 202 starting from the housing bottom 204, initially has a relatively thick-walled profile, which after a step 210 merges into a thinner-walled housing wall section 213.
  • the intermediate core 166 is arranged in the region of the thinner walled housing wall section 213, the intermediate core 166 is arranged.
  • the intermediate core 166 has an annular portion 169 and a cylindrical annular portion 172.
  • the intermediate core 166 abuts with an outer edge of the annular portion 169 on the step 210 and its annular end face.
  • the annular and disk-shaped portion 169 of the intermediate core 166 separates two different windings from each other in this embodiment.
  • the winding for pre-insertion 162 is arranged, while on the other side of the annular portion 169, the winding for switching 165 is arranged.
  • the return core 171 is configured such that a cylindrical annular portion 219 is disposed radially inside the winding 165 for switching.
  • flange 222 extends from the cylindrical annular portion 219 and is disposed at the end of the return core 171 applied by the lift means 168.
  • This flange 222 is designed so that the outer radial end 225 of the flange 222 with the oriented in the axial direction surface, which is directed to the housing bottom 204, on a flange 222 facing end face 228 of the cylindrical annular portion 172 is applied.
  • the lid 153 On the side facing away from the intermediate core 166 side of the flange 222, the lid 153 is arranged.
  • the lid 153 has a bead-like thickening 231 at the end facing the flange 222.
  • This radially outwardly directed thickening 231 serves to ensure that the housing wall section 213 extending beyond this thickening 231 can be used to obtain a form-fitting connection between the cover 153 and the housing 156 by so-called flanging or deformation.
  • a flange 234 serves for the corresponding attachment of the lid 153 on the housing 156.
  • the winding for pre-insertion 162 and the winding for switching 165 are wound on a coil carrier 237 integral in the exemplary embodiment.
  • This coil carrier 237 has a first flange 240 at its end facing the housing bottom 204. At its end facing the flange 222 of the return core 171, another flange 243 is formed. Between these two flanges 240 and 243, two further flanges 246 and 249 are arranged, which form between them a narrow axial annular space, which is not designated here. In this space, the annular portion 169 of the intermediate core 166 is arranged. All four flanges 240, 243, 246 and 249 are connected by a common pipe section 252. This tube section 252 extends between the flange 240 and the flange 243.
  • the tube section 252 receives in its interior a sliding sleeve 255, which extends substantially from the flange 222 of the return core 171, starting through the opening 207 therethrough.
  • This sliding sleeve 255 serves to offer the lifting means 168 a suitable and lubricant-coated sliding surface.
  • the lifting means 168 has a substantially cylindrical outer surface and in its interior in the thrust direction a bore 258 in which a push rod 174 is arranged and fixed. This push rod 174 terminates in a diameter larger bore 261, in and around the push rod 174 around a compression spring 264 is arranged, which is supported at its end remote from the lifting means 168 at the return core 171.
  • a central bore 267 is also incorporated, in which the shift pin 177 is indirectly mounted.
  • This shift pin 177 has, in the direction of the push rod 174, an annular groove 270, by means of which a sleeve element 273 is secured.
  • This sleeve member 273 has an outer diameter, which is adapted to the inner diameter of the central bore 267 and thereby the shift pin 177 is supported on the end of the central bore 267 directed to the lifting means 168.
  • the outer diameter of the sleeve member 237 also provides a guide for the compression spring 264, and thus prevents buckling to the outside.
  • the compression spring 276 presses the contact bridge 184 seated on a spacer 279 against an end of the switching pin 177 facing away from the lifting means 168.
  • the contact bridge 184 is mounted between the spacer and a washer 282.
  • the washer 282 is mounted between the contact bridge 184 and a collar 285, wherein the collar 285 in one piece the shift pin 177 is formed.
  • the collar 285 serves as a counter surface to a further compression spring 288, which is supported with its end facing away from the shift pin 177 on the inside of the lid 153.
  • the compression spring 288 is arranged in an approximately cylindrical shape cavity.
  • the bolt 150 protrudes with its shaft 291 through an approximately cylindrical opening 294 in the lid 153.
  • the bolt 150 has on the inside of the lid 153 a head 297 which carries on a contact bridge 184 facing surface a contact surface 300, preferably made of copper , Analogous to the bolt 150, a further bolt 303 protrudes through an opening 306, which is also cylindrical and leads through the cover 153. On the inside of the lid 153, there is also a head 309, which also carries a contact surface 312 on its side facing the contact bridge 184.
  • housing 156 with its one-piece sections housing base 204, housing wall 202, housing wall portion 213 and flange 234 of an electromagnetically excitable material (iron, steel), consists of the bobbin 237 of a plastic, which has here obtained by an injection molding process in its form.
  • the intermediate core 166, the return core 171 and the lifting means 168 are like the housing 156 formed of an electromagnetically excitable material.
  • the biasing winding 162 and the switching winding 165 are preferably made of a copper wire.
  • a spring element 315 designed here as a spiral spring, presses the coil carrier 237 against the flange 222 and supports itself on the opposite side on the housing bottom 204.
  • the pusher 16 has two switchable magnetic paths.
  • the first magnetic path consists of the sections of the pusher 16 that are electromagnetically energized by energizing the pre-latches 162 winding.
  • These portions of the pusher 16 include the annular and disc-shaped portion 169 of the intermediate core 166, the portion of the housing wall 202 between the annular portion 169 and the housing bottom 204, the housing base 204 itself and also the lifting means 168 the push rod 174 or the compression spring 264 are also electromagnetically excitable.
  • the lifting means 168 will move against the resistance of the compression spring 264 in the direction of the return core 171.
  • the movement of the lifting means 168 will initially end with the winding switched off for switching 165 - at the position which is sketched in the space between the lifting means 168 and the cylindrical annular portion 219.
  • the end face 318 of the lifting means 168 facing the return core 171 will be almost level with the intermediate core 166 or the axial end face of the annular section 169 which faces the winding for switching 165.
  • the switchable magnetic path as already mentioned is closed. This position describes an intermediate position of the lifting means between a rest position in which the lifting means 168 has reached the leftmost state in the picture and an end position in which the end face 318 rests next possible on the return core 171.
  • a starting device 10 for internal combustion engines with a pusher 16 for advancing a Andrehritzels 22, with a lifting means 168, which by means of gear elements (tension member 187, lever 190, driver ring 197, disc 193, spring 200, freewheel 137) with the starter pinion 22nd is coupled, known.
  • the lifting means 168 is movable between a rest position and an end position.
  • the pusher 16 has a switchable magnetic path which, in the closed state by the lifting means 168, defines an intermediate position of the lifting means 168 between a rest position and an end position. A main current of the starter motor 13 is not yet switched in this position, since a switching means has not yet closed the corresponding circuit.
  • a lifting means 168 by means of transmission elements (tension member 187, lever 190, driving ring 197, disc 193, spring 200, freewheel 137) is coupled to the starter pinion 22, wherein the lifting means 168 is movable between a rest position and an end position.
  • the pusher 16 is turned on in a first step and then moves the lifting means 168 in a defined intermediate position between the rest position and the end position.
  • FIG. 3 shows the method just described for operating a starting device, wherein the switch-S1 is synonymous with the energizing of the winding for pre-insertion 162 and the step S2 is equivalent to moving the lifting means 168 in a defined intermediate position between the rest position and the end position.
  • the lifting means 168 moves in said defined intermediate position.
  • a start-stop method or a vehicle that uses this method or that can be operated in this example it is provided that the starting pinion 22 during a stop phase in which the internal combustion engine and thus the ring gear 25 are not moved, is held in this ring gear 25.
  • the starter pinion 22 is pre-loaded.
  • step S3 the lifting means 168 is held in the defined intermediate position.
  • the starter pinion 22 remains pre-loaded.
  • the lifting means 168 is moved towards the end position after reaching the intermediate position to trigger an electrical switching operation, step S5. Moving the lifting means 168 from the intermediate position out into the end position is possible because the winding is energized for switching 165, S4. As a result, attempts to close a second magnetic path via the lifting means 168.
  • a nozzle 321 which is formed on the housing bottom 204, and having the opening 207, be at least as long, that the lifting means 168 unhindered by the nozzle 321 to the return core 171st can create.
  • the end face of the switching pin 177 directed towards the push rod 174 is not or only slightly touched during the movement of the lifting means 168 in the direction of the return core 171.
  • the further movement of the lifting means 168 from this intermediate position to the end position not only the resistance exerted by the compression spring 264 resistance is overcome, but in the direction of the end position and the resistance of the compression spring 288 and the compression spring 276.
  • the push rod 174 presses on this movement the switching pin 177, this is pressed against the resistance of the compression spring 288 with the spacer 279 and the contact bridge 184 toward the contact surfaces 300 and 312, wherein finally the contact bridge with a facing to the two contact surfaces 300 and 312 surface comes into contact.
  • the positive electrical potential applied to the bolt 150 is forwarded via the contact bridge 184 to the bolt 303 and ultimately guided by this bolt 303 via the known power supply 61 to the carbon brushes 58.
  • the starter motor 13 is energized. Accordingly, one can designate the switching operation as a further method step S6, in which the starter motor 13 is energized by means of the contact bridge 184.
  • This method step S6 is an electrical switching operation, which is triggered by the lifting means 168 moving a switching means in the form of the contact bridge 184 for switching a Main current of the starter motor 13 caused by which an electrical voltage is applied to a contact in the form of the bolt 303 and thereby a starter motor 13 is put into operation.
  • the lifting means 168 mechanically actuates the switching means in the form of the contact bridge 184.
  • FIG. 4a is a longitudinal sectional view through the intermediate core 166 shown.
  • the intermediate core 166 here has the annular portion 169 and the cylindrical annular portion 172. Furthermore, this intermediate core 166 shows a passage 330, which in this embodiment, see also FIG. 4b is realized as a slot of radial alignment in the annular portion 169.
  • This feed-through point 330 enables the power supply of the pre-insertion winding 162.
  • the pre-insertion winding 162 requires at least one conductor to connect at least one connection of a connecting wire of the pre-insertion winding 162 to a positive potential. Alternatively, it is also possible to pass through this connecting point 330 two connecting wires of the winding for pre-insertion 162.
  • FIG. 4b the spatial representation of the intermediate core 166 is shown. Clearly visible is the passage point 330 in the annular portion 169. Also visible is a dividing plane 333. This division plane is required in the according to FIG. 2 one-piece bobbin 237 to add the intermediate core 166 between the two flanges 246 and 249 can.
  • the intermediate core 166 is still pot-shaped, in which case the intermediate core has the shape of a halved ring which has a cylinder wall on its outer sides.
  • halved ring is meant a design of the intermediate core 166 having a dividing plane 333 along which an axis of symmetry passes.
  • the intermediate core 166 has a passage 330 through which at least one electrical conductor protrudes, which serves for the power supply of the at least one winding to the toe 162.
  • the starter motor power switch can be realized in different ways. On the one hand, it can, for example, by the switching apparatus with the contact bridge 184, as described above, in conjunction with the bolts 303 and 150 and the corresponding periphery can be realized. Another way of implementing a starter motor power switch is described below.
  • FIG. 12 shows another embodiment of an intermediate core 166 having a perforated disc 336 with a radially extending radial passage 330 in this embodiment, this embodiment having the perforated disc 336 electromagnetically having the same effect as the annular portion 169 of the embodiment of FIG. 2 achieved.
  • the passage 330 could also be varied such that it would then constitute a continuous slot.
  • a cylindrical ring 339 is shown, which has the same electromagnetic effect as the cylindrical annular portion 172 of the intermediate core 166 of the FIG. 2 having.
  • FIG. 5b a longitudinal section through the combination of perforated disc 336 and the cylinder ring 339 is shown. In the arrangement shown there, this intermediate core 166 could be the in FIG.
  • the coil carrier part 237 which receives or picks up the winding for pre-insertion 162, would then be placed in the housing 156, then the intermediate core 166 according to FIG Figure 5a and Figure 5b and then another coil carrier which receives the winding for switching 165.
  • the coil carrier part 237 which receives or picks up the winding for pre-insertion 162
  • the intermediate core 166 according to FIG Figure 5a and Figure 5b
  • another coil carrier which receives the winding for switching 165.
  • one-piece bobbin 237 replacement of the perforated disc 336 by two half-slices is necessary.
  • FIG. 6a Another embodiment of an intermediate core 166 is shown in FIG. 6a combined with FIG. 6b shown.
  • a ring-shaped intermediate core 166 is known, which also has a dividing plane 333 due to the one-piece nature of the coil carrier 237 and consequently consists of two half-disks 342.
  • a passage 330 may be provided as shown in FIG Embodiment after FIG. 5a outlined. If the coil carrier 237 had two parts, ie if the flanges 246 and 249 were formed on two different parts, it would also be possible to mount a one-piece plate.
  • the housing wall 202 is not as in the embodiment according to FIG. 2 is provided with two different wall thicknesses, but is in the portion which is arranged in the region of the winding for pre-insertion 162, designed as strong as at the region which is arranged in the region of the winding for switching 165.
  • the housing wall 202 is made uniformly strong throughout the entire length of the pre-insertion winding 162 to the end of the winding 165 for turning away from the housing bottom 204.
  • This material thickness m is preferably carried out to the end of the cylindrical annular portion 219 in constant material thickness m, which is furthest away from the housing bottom 204.
  • the material thickness is also made significantly narrower in order to grip around the bead-like thickening 231 by means of the beading 234.
  • the embodiment according to Figure 6a and Figure 6b can be modified by the coil carrier 237 is also made in two parts here, in which between the two flanges 246 and 249 a separation is brought about. Then a simple punched intermediate core 166 can be interposed, which is made in one piece and accordingly has a simple perforated disc as a base. Also in this modification, the intermediate core 166 would have a passageway 330 which would have a radial slot for passing the leads for the winding to the pregroove 162.
  • the radial slot could not only be like in FIG. 5a represented by coming from radially inward forth, but for example as a radially outwardly to radially inwardly executed slot. In this case - but need not be so - a bridge 331 remain. This applies to all embodiments shown here.
  • the starting device 10 according to FIG. 1 with the pusher 16 according to FIG. 2 By way of example, for the variants of a starting device 10 or a pusher 16, which have a winding for toe-in 162 and a winding for switching 165, would work as follows:
  • the vehicle with such a starting device 10 in the so-called start-stop operation would be, for example, to an obstacle (traffic lights, traffic jams, etc.) moving vehicle or a control circuit, for example, by a braking operation recognize that the operation of the internal combustion engine is not required. As a result, a controller (or controller) would shut off the engine and let the vehicle roll without drive. After the internal combustion engine would have received the signal to turn off, the starter 10 would receive a signal, after which the starter pinion 22 should be pre-loaded either in the rotational speed-losing sprocket 25 or in the already stationary sprocket 25. Accordingly, the winding would be energized for Voreinspuren 162.
  • the lifting means 168 would make a movement to the right in the direction of the return core 171 due to the excitation in the magnetic path already described, and finally reach the already mentioned intermediate position in the region of the intermediate core 166.
  • the starter pinion 22 would already at least limited in the ring gear 25 in the ideal case already.
  • the starter motor 13 is momentarily energized so that this allows twisting of the Andrehritzels and this so with his teeth in the appropriate Cog wheel 25 gear geometry inserts.
  • the wiring of the starter motor 13 may for this purpose, for example, be pulsed or, for example, with a lower continuous current (the time would be very short).
  • the starting device would now be in a standby state in that the pre-insertion winding 162 would be permanently energized.
  • the thrust device 16 or its winding for switching 165 receives a suitable energization in order finally to move the lifting means 168 into its end position, so that this turns located at the return core 171.
  • the starter pinion 22 is even further meshed in the ring gear 25.
  • the contact bridge 184 connects the contacts 180 and 181 with each other, so that the starter motor 13 is energized via the power supply 61 with the main current and so that in engagement with the sprocket 25 located Andrehritzel 22 with large torque is moved about the output shaft 116 and thereby the internal combustion engine is turned on.
  • the starting device 10 receives a switch-off signal, as a result of which the winding for switching 165 and also the winding for pre-recording 162 are switched off. As a result, the lifting means 168 moves out of the end position back toward the rest position, since the compression spring 264 presses this toward the rest position.
  • the contact bridge 184 opens the circuit of the starter motor 13. The starting process is completed.
  • the pusher 16 may be designed differently. For example, according to Figure 7a In the case of such an arrangement, after the lifting means 168 has reached the intermediate position, the pull-in winding 340 would be switched off so that the holding winding 343 alone will lift the lifting means 168 at the intermediate position holds.
  • FIG. 7b could also be the winding for switching 165 consist of two different partial windings, on the one hand from a pull-in winding 350 and a holding winding 353.
  • the winding for switching or a control device after reaching the end position of the lifting means 168 turn off the pull-in winding 350 and only the holding winding 353 still be energized to hold the lifting means 168 in the final position.
  • the vehicle as soon as possible to move away from the place where it is currently located, can be provided in the context of an "emergency control" that the winding for pre-insertion 162 and the winding for switching 165 - whether each as a winding with run only one winding or winding with pull-in winding and holding winding - are energized at the same time to achieve an immediate and unrestrained movement of the lifting means 168 in the end position.
  • emergency control would be able to be detected for example by a "kickdown" of the accelerator pedal.
  • “Kickdown" the accelerator means here that either the pedal or an associated actuator, which represents the will of the driver or the driver, exceeds a certain actuating speed or, for example, a certain position of the actuator, which is connected to the gas pedal, is achieved although the internal combustion engine is not in operation.
  • the lifting means 168 indirectly actuates a switching means. While in the above-described embodiments, the lifting means 168 is a part of the switching means in the form of a relay or the contact bridge 184 mechanically actuated, could be provided, for example, that an organ detects the end position of the lifting means 168 and starting therefrom a remote from the starting device 10 switch operated, and then the starter motor 13 energized.
  • the time interval by switching the pre-charge winding 162 and the switching 165 winding may be both variable and constant, both controlled and uncontrolled.
  • the time interval in the sense of "constant distance" can for example be such that in principle a certain time is set, after which the winding is energized for switching 165 (unless the driver previously an earlier start signal - so - are).
  • the time interval between the switching on of the winding for toe-in 162 and the switching of the winding for switching 165 may be variable such that, for example, only after the actuation of an element such as an accelerator pedal or equivalent switch or an associated actuator, which is the will of the driver or the driver represents, the winding is energized for switching 165.
  • the mentioned winding for pre-insertion 162 and the winding for switching 165 or the respective pull-in windings 340 and 350 and holding windings 343 and 353 can also be located in a plurality of chambers.
  • the same applies to a winding for switching 165 which would be composed of pull-in winding 350 and holding winding 353.
  • the intermediate core 166 between the pre-insertion winding 162 and the winding 165 for switching is preferably made of iron, iron alloys or magnetically highly conductive material.
  • the profile of the intermediate core 166 may be, for example, rectangular, or triangular, trapezoidal, n-shaped, oval and round.
  • the pusher 16 or its lid 153 next to the two bolts 303 and 150 two further separate connections, by means of which the two Windings are controlled. If the two windings mentioned are each designed with a pull-in winding or holding winding, then the cover 153 has, in addition to the two bolts, four connections for driving the four windings.
  • the starter pinion 22 could also already be fully meshed after reaching the intermediate position of the lifting means 168. There are then provide elasticities that deform with further movement of the lifting means 168 in the direction of the end position. For example. This applies to the spring 200, which could, for example, be further compressible or the fork lever 190, the example. Leaf-spring-like can still yield.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Claims (23)

  1. Procédé pour faire fonctionner un dispositif de démarrage (10) comportant un dispositif d'avance (16) destiné à faire avancer un pignon de démarrage (22), comportant un moyen de levage (168) qui est couplé au moyen d'éléments de transmission (187, 190, 197, 193, 200, 137) au pignon de démarreur (22), dans lequel ledit moyen de levage (168) est mobile entre une position de repos et une position d'extrémité, caractérisé en ce que le dispositif d'avance (16) est activé lors d'une première étape (S1) et le moyen de levage (168) est ensuite déplacé à une position intermédiaire définie entre la position de repos et la position d'extrémité par un noyau intermédiaire (166).
  2. Procédé selon la revendication 1, caractérisé en ce que le moyen de levage (168) est maintenu à la position intermédiaire définie (S3).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le moyen de levage (168) est déplacé après que la position intermédiaire dans la direction de la position d'extrémité (S4) a été atteinte afin de déclencher un processus de commutation électrique (S5).
  4. Procédé selon la revendication 3, caractérisé en ce que le processus de commutation électrique est déclenché par le fait que le moyen de levage (168) provoque le déplacement d'un moyen de commutation pour commuter un courant principal du moteur de démarreur (13), par l'intermédiaire duquel une tension électrique est appliquée à un contact (181) et qu'un moteur de démarreur (13) est ainsi mis en fonctionnement.
  5. Procédé selon la revendication 4, caractérisé en ce que le moyen de levage (168) actionne mécaniquement le moyen de commutation.
  6. Procédé selon la revendication 4, caractérisé en ce que le moyen de levage (168) actionne indirectement le moyen de commutation.
  7. Procédé selon l'une quelconque des revendications 3 à 6, caractérisé en ce que le pignon de démarreur (22) est déplacé autour de son axe par un moteur électrique pour éviter de manière sûre une position dent sur dent entre le pignon de démarreur (22) et une couronne dentée (25), en faisant en sorte que le moteur de démarreur (13) soit excité peu de temps avant que le moyen de commutation commute le courant principal du moteur de démarreur (13).
  8. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que, pour déplacer le moyen de levage (168) à la position intermédiaire définie, soit
    a. un enroulement de préengagement (162) est mis sous tension, soit
    b. un premier enroulement de préengagement, sous la forme d'un enroulement d'appel (340), et un second enroulement de préengagement, sous la forme d'un enroulement de maintien (343), sont mis sous tension, dans lequel l'enroulement d'appel (340) n'est mis hors tension au plus tôt que lorsque la position intermédiaire est atteinte.
  9. Procédé selon la revendication 8, caractérisé en ce que, pour déplacer le moyen de levage (168) à la position d'extrémité, soit
    a. un enroulement de commutation (165) est mis sous tension, soit
    b. un premier enroulement de commutation, sous la forme d'un enroulement d'appel (350), et un second enroulement de commutation, sous la forme d'un enroulement de maintien (353), sont mis sous tension, dans lequel l'enroulement d'appel (350) n'est mis hors tension au plus tôt que lorsque la position d'extrémité est atteinte.
  10. Procédé selon la revendication 9, caractérisé en ce que l'au moins un enroulement de préengagement (162) est mis hors tension après la mise sous tension de l'au moins un enroulement de commutation (165).
  11. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'après avoir atteint un fonctionnement autonome de manière sûre du moteur à combustion interne, ledit au moins un enroulement de commutation (165) est mis hors tension et, avant ou après cela, l'au moins un enroulement de préengagement (162) est mis hors tension.
  12. Dispositif de démarrage (10) pour moteurs à combustion interne, comprenant un dispositif d'avance (16) destiné à faire avancer un pignon de démarrage (22), comportant un moyen de levage (168) qui est couplé au moyen d'éléments de transmission (187, 190, 197, 193, 200, 137) au pignon d'entraînement (22), dans lequel ledit moyen de levage (168) est mobile entre une position de repos et une position d'extrémité, caractérisé en ce que le dispositif d'avance (16) comprend un trajet magnétique commutable qui présente une position intermédiaire des moyens de levage (168) définie entre une position de repos et une position d'extrémité par un noyau intermédiaire (166).
  13. Dispositif de démarrage selon la revendication 12, caractérisé en ce que le trajet magnétique commutable peut être excité par au moins un enroulement de préengagement (162), dans lequel le moyen de levage (168), le noyau intermédiaire excitable de façon électromagnétique (166) et une région de boîtier (204, 202) peuvent être traversés par un champ magnétique pouvant ainsi être produit.
  14. Dispositif de démarrage selon l'une des revendications 12 ou 13, caractérisé en ce que le noyau intermédiaire (166) est disposé entre un enroulement de préengagement (162) et un enroulement de commutation (165).
  15. Dispositif de démarrage selon la revendication 14, caractérisé en ce qu'un autre trajet magnétique commutable peut être excité par l'au moins un enroulement de commutation (165), dans lequel un champ magnétique pouvant ainsi être produit peut être amené à passer à travers le moyen de levage (168), un noyau intermédiaire excitable de façon électromagnétique (166) et un noyau magnétique de retour (171) situé en position opposée au moyen de levage (168) au moins en partie dans la direction d'avance.
  16. Dispositif de démarrage selon la revendication 15, caractérisé en ce qu'une force de rappel d'un ressort de compression (264) agit entre le moyen de levage (168) et le noyau magnétique de retour (171).
  17. Dispositif de démarrage selon l'une des revendications 12 à 16, caractérisé en ce que le noyau intermédiaire (166) est annulaire et, en particulier, en ce qu'un cylindre annulaire (172) est disposé parallèlement à la région de boîtier.
  18. Dispositif de démarrage selon l'une des revendications 11 à 16, caractérisé en ce que le noyau intermédiaire (166) est en forme de cuvette, dans lequel le noyau intermédiaire (166) présente ainsi la forme d'un anneau divisé en deux, qui présente une paroi cylindrique sur ses faces extérieures.
  19. Dispositif de démarrage selon l'une des revendications 12 à 18, caractérisé en ce que le noyau intermédiaire (166) comprend un point de traversée (330) à travers lequel fait saillie au moins un, et de préférence deux conducteurs électriques, qui est/sont utilisé(s) pour l'alimentation électrique de l'au moins un enroulement de suivi (162).
  20. Dispositif de démarrage selon l'une des revendications 12 à 19, caractérisé en ce qu'une tige d'avance (174) reliée de manière fixe au moyen de levage (168) est opposée à un goujon de commutation (177) dans la direction d'avance, dans lequel le goujon de commutation (177) porte un pont de contact (184).
  21. Dispositif de démarrage selon l'une des revendications 12 à 20, caractérisé en ce qu'il comporte soit
    a. un enroulement de préengagement (162), soit
    b. l'enroulement de préengagement (162), un enroulement d'appel (340) et un enroulement de maintien (343).
  22. Dispositif de démarrage selon la revendication 21, caractérisé en ce qu'il comporte, pour le déplacement du moyen de levage (168) à la position d'extrémité, soit
    a. un enroulement de commutation (165), soit
    b. l'enroulement de commutation (165), un enroulement d'appel (350) et un enroulement de maintien (353).
  23. Dispositif de démarrage selon l'une des revendications 11 à 22, caractérisé en ce qu'un élément de ressort (315) comprime l'au moins un enroulement pour son préengagement (162) contre le noyau intermédiaire (166).
EP08871725.1A 2008-01-31 2008-11-18 Procédé de fonctionnement d'un dispositif de démarrage et dispositif de démarrage Not-in-force EP2247849B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008007077.7A DE102008007077B4 (de) 2008-01-31 2008-01-31 Verfahren zum Betreiben einer Startvorrichtung sowie Startvorrichtung für eine Brennkraftmaschine eines Kraftfahrzeugs
PCT/EP2008/065723 WO2009095115A1 (fr) 2008-01-31 2008-11-18 Procédé de fonctionnement d'un dispositif de démarrage et dispositif de démarrage

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EP2247849A1 EP2247849A1 (fr) 2010-11-10
EP2247849B1 true EP2247849B1 (fr) 2017-01-18

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EP (1) EP2247849B1 (fr)
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WO (1) WO2009095115A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102008054979A1 (de) * 2008-12-19 2010-06-24 Robert Bosch Gmbh Verfahren und Vorrichtung für Start-Stopp-Anlagen von Brennkraftmaschinen in Kraftfahrzeugen
JP5392002B2 (ja) 2009-10-28 2014-01-22 株式会社デンソー 電磁スイッチ装置
CN102315044A (zh) * 2011-06-28 2012-01-11 上海法雷奥汽车电器***有限公司 用于电磁开关的线圈架及绕制线圈的方法
DE102013207885A1 (de) * 2013-04-30 2014-10-30 Robert Bosch Gmbh Startvorrichtung für eine Brennkraftmaschine
CN105470049B (zh) * 2014-07-14 2019-05-17 索恩格汽车部件（中国）有限公司 电磁开关及车辆起动机
DE102017200799A1 (de) * 2017-01-19 2018-07-19 Seg Automotive Germany Gmbh Elektromagnetisches Relais, insbesondere Starterrelais, sowie Verfahren zum Betätigen einer Startvorrichtung mit einem Starterrelais

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EP0848159B1 (fr) * 1996-12-16 2002-07-10 Robert Bosch Gmbh Dispositif de démarrage pour moteur à combustion interne
DE10046987A1 (de) * 2000-09-22 2002-04-18 Bosch Gmbh Robert Startvorrichtung für Brennkraftmaschinen
DE102004032373B4 (de) * 2004-06-30 2018-05-24 Seg Automotive Germany Gmbh Elektromagnetischer Hilfsantrieb und Vorrichtung zur Verschiebung eines Antriebselements mit einem solchen elektromagnetischen Hilfsantrieb
DE102005004326A1 (de) * 2004-08-17 2006-02-23 Robert Bosch Gmbh Startvorrichtung für einen Verbrennungsmotor mit separatem Einrück- und Startvorgang
US7218010B2 (en) * 2005-02-15 2007-05-15 General Motors Corporation Engine restart apparatus and method
DE102005021227A1 (de) 2005-05-09 2006-11-16 Robert Bosch Gmbh Startvorrichtung für Brennkraftmaschinen in Kraftfahrzeugen
DE102005048599A1 (de) * 2005-10-06 2007-04-12 Robert Bosch Gmbh Startvorrichtung zum Andrehen von Brennkraftmaschinen
DE102006033174A1 (de) * 2006-07-18 2008-01-31 Robert Bosch Gmbh Spulenanordnung mit einem Spulenträger eines elektromagnetischen Antriebs

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Publication number Publication date
EP2247849A1 (fr) 2010-11-10
DE102008007077A1 (de) 2009-08-06
WO2009095115A1 (fr) 2009-08-06
DE102008007077B4 (de) 2017-08-31

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