Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K5/00—Casings; Enclosures; Supports
  • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
  • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
  • H02K5/225—Terminal boxes or connection arrangements
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K3/00—Details of windings
  • H02K3/46—Fastening of windings on the stator or rotor structure
  • H02K3/52—Fastening salient pole windings or connections thereto
  • H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
  • H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
  • H02K11/30—Structural association with control circuits or drive circuits
  • H02K11/33—Drive circuits, e.g. power electronics
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
  • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
  • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
  • H02K2203/03—Machines characterised by the wiring boards, i.e. printed circuit boards or similar structures for connecting the winding terminations
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
  • H02K2211/03—Machines characterised by circuit boards, e.g. pcb

Definitions

• the invention relates to a drive device, in particular as part of a comfort drive in a motor vehicle, according to the preamble of the two independent claims.
• Such a drive device is known from DE 10 2005 055 740 A1 of the applicant.
• the known drive device comprises a
• Gear housing formed housing for receiving a
• End portions with the armature shaft is mounted in the housing, is the
• Circuit board limited exclusively to their function as a circuit carrier and therefore has no tasks beyond this function or
• the invention has the object, a drive device according to the preamble of the two independent claims in such a way that a particularly compact design is possible with reduced installation costs.
• This object is achieved in a first drive device according to the invention, in particular as part of a comfort drive in a motor vehicle, with the features of claim 1, characterized in that the circuit board is formed as part of the housing.
• the circuit board makes it possible through its additional function as part of the housing to reduce the space required for the housing.
• no separate installation effort for mounting or arrangement of the circuit carrier or the printed circuit board within the housing is required.
• the printed circuit board is provided on the side facing away from an interior of the housing with an electrically non-conductive insulation arranged in overlap with the printed circuit board.
• Such insulation in particular in the form of a coating o.ä. may be formed, has the advantage that the circuit board against external influences, especially against moisture or the like, is protected. This will be the
• the printed circuit board on the side facing away from the interior at least partially (with plastic material) is encapsulated.
• the printed circuit board on the side facing away from the interior at least partially (with plastic material) is encapsulated.
• the printed circuit board on the side facing away from the interior at least partially (with plastic material) is encapsulated.
• Plastic material is arranged or surrounds the circuit board such that on the outside of the circuit board, the circuit board is completely covered by the material. It will thus be a one-piece connection between the
• Circuit board and the plastic allows, whereby the structural strength of a composite component so far described is relatively high. This in turn has the consequence that relatively small wall thicknesses or a low use of material is sufficient to form the housing in the region of the printed circuit board at sufficiently high strength values.
• a particularly good adaptation of the area of the printed circuit board to the housing is achieved if the encapsulation of the printed circuit board in the region of a lateral
• Electromagnetic radiation by the drive device is achieved when the encapsulation is provided at least partially on its surface with a metallization, and when the metallization are coupled in operative connection with elements for forming an EMC compatibility.
• Such elements may be formed, for example, in the form of metallic shielding plates or the like.
• the housing of the drive device is closed by a cover element embodied as an injection molded part, that the
• Cover element formed as stamped grid elements having current-carrying elements, which are surrounded by the material of the cover member at least partially, and that the current-carrying elements are connected on the side facing away from the housing with winding wires of an armature winding.
• the electrical contacting of the current-conducting elements arranged or formed in the cover element can be made particularly simple if the cover element has a cutout on the side facing the interior of the housing for electrical contacting with the printed circuit board arranged in the housing.
• a further development of the drive device described so far provides that with the housing an axis of the electric motor is connected, that the electric motor is designed in the form of a brushless outer rotor, and that a rotor bell of the electric motor is arranged in frontal overlap with the housing.
• Such a drive device allows a trained in intricateputrbauart electric motor, which is designed to be particularly compact and requires relatively few components.
• Fig. 1 is a greatly simplified sectional view through a first
• Embodiment of a drive device according to the invention in the form of a transmission drive device and 2 shows a longitudinal section through a second embodiment of the invention in the form of a brushless external rotor motor.
• the drive device 10 is in particular part of a comfort drive in a motor vehicle, such as a window lift drive, a seat adjustment drive, a
• the drive device 10 has a housing 1 1.
• components of an electric motor 15 are arranged. These components include, by way of example and not limitation, to a cylindrical portion of the housing 1 1 arranged permanent magnet elements 16, an armature 17 with armature windings not shown in detail and an armature shaft 18.
• the armature shaft 18 is at its two end portions in each one
• the armature shaft 18 has a toothed region with a worm toothing
• the gear 25 is used to reduce the speed of the electric motor 15 while increasing the torque, wherein the gear 25 is mounted in an axis 26.
• An output element, not shown in FIG. 1 and arranged in operative connection with the gear wheel 25, is arranged at least indirectly with the element to be adjusted, for example a window pane.
• the housing 1 1 has a housing base 31 which is closed by a cover-like housing element 32.
• the housing base 31 can be any housing base 31 which is closed by a cover-like housing element 32.
• the housing base 31 has a receiving contour 33, to which the housing element 32 is adapted in a form-fitting manner.
• the housing element 32 consists at least substantially of a circuit carrier in the form of a printed circuit board 35, on which electrical or electronic components 36 are arranged, the Control of the drive device 10 serve.
• the components 36 are on the housing interior 37 facing side of the circuit board 35th
• the heat generating component is formed and connected to a heat sink 38.
• the components 36 are at least partially surrounded by a potting compound 39.
• the printed circuit board 35 is in particular connected to the components of the electric motor 5 and can also serve, for example, to detect the angular position of the armature shaft 18.
• the printed circuit board 35 is preferably provided on the side facing away from the housing interior 37 with an insulation 34 consisting of electrically non-conductive material, for example a coating. Most preferably, the insulation 34 is formed by on or by area encapsulation of the circuit board by means of plastic.
• the insulating 34 forming injection molding can also the circuit board 35 laterally surrounded to a
• the insulation 34 or the injection-molded part is at least partially provided on its surface with a metallization, wherein the
• Metallization in operative connection with elements for forming an EMC compatibility of the drive device 10 is coupled.
• a drive means 10a in the form of a brushless
• External rotor motor 40 shown.
• the external rotor motor 40 has a rotatably mounted bell 41, on the inner wall in uniform
• the bell 41 is rotatably mounted on an axle 43 or a stub axle, which is integrally connected to the housing 45.
• the bell 41 completely covers the end face of the housing 45.
• the housing 45 comprises a pot-shaped housing base 46, in whose interior a circuit carrier in
• a printed circuit board 47 is arranged.
• electrical or electronic components 48 are arranged on the underside and / or top.
• the housing 45 or the housing base 46 is closed by a housing cover 50. Between the housing base 46 and the housing cover 50 (annular) sealing elements 51, 52 may be arranged to ensure a media-tight design of the housing interior 53.
• the housing cover 50 according to the invention has the electrical contacting serving punched grid elements 54, which of the material of
• Housing cover 50 at least partially encapsulated or surrounded.
• the material of the housing cover 50 has a cutout 55.
• an electrical contacting of the stamped grid elements 54 takes place with contact elements 56, 57 protruding from the printed circuit board 47, likewise preferably formed as stamped grid elements 54.
• Contact elements 56, 57 and the punched grid elements 54 is preferably carried out by a press-in connection or clamping connection during joining of the
• soldering or welding connections between the contact elements 56, 57 and the punched grid elements 54 can also be provided.
• Klemmschneidharms institute formed extensions 58, 59 which are contacted with stationary winding wire ends 60, 61 of armature windings of the armature 62 of the external rotor motor 40, preferably via Klemmschneiditatien.

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• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Motor Or Generator Frames (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=55442801

Family Applications (1)

Country Status (4)

Families Citing this family (1)

Family Cites Families (8)

• 2015
  • 2015-03-03 DE DE102015013107.9A patent/DE102015013107A1/de active Pending
• 2016
  • 2016-02-26 CN CN201680013381.4A patent/CN107408866B/zh active Active
  • 2016-02-26 WO PCT/EP2016/054086 patent/WO2016139143A1/de active Application Filing
  • 2016-02-26 EP EP16706627.3A patent/EP3342029A1/de not_active Withdrawn

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