CN107431419B - Drive device, in particular as a component of a comfort drive in a motor vehicle - Google Patents
Drive device, in particular as a component of a comfort drive in a motor vehicle Download PDFInfo
- Publication number
- CN107431419B CN107431419B CN201680013365.5A CN201680013365A CN107431419B CN 107431419 B CN107431419 B CN 107431419B CN 201680013365 A CN201680013365 A CN 201680013365A CN 107431419 B CN107431419 B CN 107431419B
- Authority
- CN
- China
- Prior art keywords
- housing
- circuit board
- printed circuit
- drive
- drive device
- 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.)
- Active
Links
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 9
- 238000001465 metallisation Methods 0.000 claims description 7
- 238000004382 potting Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 3
- 239000007924 injection Substances 0.000 claims 3
- 238000004804 winding Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- 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
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/01—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields, i.e. structural association with shields
- H02K11/014—Shields associated with stationary parts, e.g. stator cores
- H02K11/0141—Shields associated with casings, enclosures or brackets
-
- 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
- H02K11/38—Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
-
- 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
-
- 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
- H02K5/08—Insulating casings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to a drive device (10), in particular as a component of a comfort drive in a motor vehicle, having a housing (11) for accommodating components of an electric motor (15) and having a circuit carrier in the form of a printed circuit board (35). According to the invention, provision is made for: the printed circuit board (35) is designed as part of the housing (11) or the housing (45) is closed by a cover element (50) designed as an injection-molded part, the cover element (50) having a current-guiding element designed as a punched-out grid element (54), which is at least partially surrounded by the material of the cover element (50) and which is connected to winding wire ends (60, 61) on the side facing away from the housing (45).
Description
Technical Field
The invention relates to a drive device according to the preamble of two independent claims, in particular as a component of a comfort drive in a motor vehicle.
Background
Such a drive is known from DE 102005055740 a1 of the applicant. The known drive device comprises a housing designed as a gear housing for accommodating a gear drive unit and a circuit carrier in the form of a printed circuit board, on which electrical or electronic components are arranged. The armature shaft, which is not shown in the known applications, is usually mounted as a component of the electric motor in at least two bearing devices in the housing, in particular on two opposite end regions with the armature shaft, while the printed circuit board is limited to the circuit carrier only in terms of its function and thus does not have tasks or features beyond this function. This results in: a defined installation space must be provided for the circuit carrier within the housing. It is furthermore essential that: the circuit carrier is mounted in the housing when the drive device is mounted.
Disclosure of Invention
Starting from the prior art shown, the invention is based on the following tasks: a drive device according to the preambles of the two independent claims is improved in such a way that a particularly compact design is possible with reduced installation expenditure. This object is achieved in a first drive device according to the invention, in particular as a component of a comfort drive in a motor vehicle, having the features of claim 1, in that the printed circuit board is formed as a component of the housing. In other words, this means: the printed circuit board can achieve a reduction in the installation space required for the housing by an additional function as a component of the housing. Furthermore, a separate mounting expenditure for fixing or arranging the circuit carrier or the printed circuit board within the housing is not necessary.
Advantageous developments of the drive according to the invention are listed in the dependent claims. All combinations of at least two of the features disclosed in the claims, the description and/or the invention fall within the framework of the invention.
In a first refinement of the first drive according to the invention, provision is made for: the printed circuit board is provided on the side facing away from the interior of the housing with a non-conductive insulation arranged in a covering manner with the printed circuit board. Such an insulation, which can be designed in particular in the form of a coating or the like, has the following advantages: the printed circuit board is protected from external influences, in particular from moisture or the like. The operational safety of the drive is thereby ensured in a particularly simple manner.
In a further development of the drive described in this respect, provision may be made for: at least one heat generating component is arranged on the printed circuit board on the side facing the interior of the housing, said heat generating component being partially surrounded by the potting compound and being arranged in operative connection with the cooling element. Such a design of the drive device makes it possible in a simple manner to dissipate heat from the heat-generating component in an arrangement in which the heat-generating component is protected against vibration or media sealing within the housing.
Alternatively, it is also possible to provide: the printed circuit board is at least partially injection-molded (with a plastic material) on a side facing away from the interior. In this case, provision may be made, in particular, for: the plastic material is arranged or surrounds the printed circuit board in such a way that the entire surface of the printed circuit board is covered by the material on the outer side of the printed circuit board. As a result, an integral connection between the printed circuit board and the plastic can be achieved, whereby the structural strength of the component combination described in this respect is relatively high. This in turn leads to: a relatively small wall thickness or a small amount of material is sufficient to form the housing in the region of the printed circuit board with sufficiently high strength values.
A particularly good adaptation of the region of the printed circuit board to the housing is achieved if the injection-molded encapsulation completely surrounds the printed circuit board in the region of the lateral end faces and if the shape of the injection-molded encapsulation is adapted to the receptacle of the housing.
If the injection-molded encapsulation is provided at least in some regions with a metallization on its surface and if the metallization is operatively coupled to the component for the purpose of forming EMV compatibility, a particularly high level of operational safety of the drive against electromagnetic radiation or avoidance of emission of electromagnetic radiation by the drive is achieved. Such an element can be constructed, for example, in the form of a metallic shielding plate or the like. In particular, a housing that is "radiation-tight" is formed by the metallizations described in this respect.
In a second, in principle alternative embodiment of the drive device, provision is made for: the housing of the drive device is closed by a cover element designed as an injection-molded part, which has a current-guiding element designed as a punched-out mesh element, which is at least partially surrounded by the material of the cover element and which is connected to the winding wires of the armature winding on the side facing away from the housing. Such a design of the drive device makes it possible to achieve a particularly compact housing which is advantageous with regard to installation expenditure.
The electrical contact of the current-conducting element arranged or formed in the cover element can be made particularly simply if the cover element has a recess on the side facing the interior of the housing for making electrical contact with a printed circuit board arranged in the housing.
In a further development of the last-made proposal, which in particular makes it possible to construct an electrical connection without a welded or soldered connection: the contact between the circuit carrier and the current-carrying element is made by a press-in connection. This means that: when mounting the components of the drive device, an electrical connection must be established in the event of a relative movement between the circuit carrier and the cover element.
A further embodiment of the drive described in this respect provides for: the shaft of the electric motor is connected to a housing, the electric motor is configured in the form of a brushless outer rotor, and the rotor cover of the electric motor is arranged in such a way as to cover the housing end. Such a drive makes it possible to construct an electric motor of the external rotor type, which is particularly compact and requires relatively few components.
Drawings
Further advantages, features and details of the invention emerge from the following description of a preferred embodiment and from the drawings.
Wherein:
fig. 1 shows a strongly simplified sectional illustration of a first embodiment of a drive device according to the invention in the form of a transmission drive device, and
fig. 2 shows a longitudinal section through a second embodiment of the invention in the form of a brushless outer rotor motor.
Identical elements or elements having an identical function are provided with the same reference symbols in the figures.
Detailed Description
Fig. 1 shows a first drive 10 according to the invention in the form of a transmission drive. The drive device 10 is in particular a component of a comfort drive in a motor vehicle, such as a window lifter drive, a seat adjustment drive, a sliding roof drive or the like.
The drive device 10 has a housing 11. Within the housing 11, components of an electric motor 15 are arranged. Said components comprise, by way of example and without limitation, a permanent magnet element 16 arranged on a cylindrical section of the housing 11, an armature 17 with armature windings, which are not shown in detail, and an armature shaft 18. The armature shaft 18 is rotatably mounted at its two end sections in bearing devices 19, 20 in the housing 11. The armature shaft 18 has a toothed region with helical teeth 21, which meshes with counter teeth 22 on a transmission wheel 25 designed as a spur gear. The transmission wheel 25 serves to reduce the rotational speed of the electric motor 15 while simultaneously increasing the torque, wherein the transmission wheel 25 is supported on a shaft 26. The output element, which is arranged in operative connection with the transmission wheel 25 and is not shown in fig. 1, can be arranged at least indirectly together with an element to be adjusted, for example a window pane.
The housing 11 has a housing base 31 which is closed by a cover-type housing element 32. In principle, the housing base part 31 can be made of a different material, in particular an aluminum die-cast part, or also of plastic. The housing base part 31 has a receptacle contour 33, to which the housing element 32 is form-fittingly matched. The housing element 32 is composed at least predominantly of a circuit carrier in the form of a printed circuit board 35, on which an electrical or electronic component 36 is arranged, which is used to control the drive device 10. The components 36 are arranged on the side of the printed circuit board 35 facing the housing interior 37, wherein at least one of the components 36 is designed as a heat-generating component and is connected to a heat sink 38. Furthermore, the means 36 are at least partially surrounded by a potting material 39. The printed circuit board 35 is connected in particular to a component of the electric motor 15 and can furthermore be used, for example, to detect the angular position of the armature shaft 18.
The printed circuit board 35 is preferably provided with an insulation 34, for example a coating, made of an electrically non-conductive material on the side facing away from the housing interior 37. Very particularly preferably, the insulation 34 is formed by spraying or partial injection molding of the printed circuit board with the aid of plastic. The injection-molded part forming the insulation 34 can also laterally surround the printed circuit board 35 in order to form a positive fit for the receptacle contour 33 of the housing base part 31. Furthermore, the insulation 34 or the injection-molded part can be provided at least in some areas with a metallization on its surface, wherein the metallization is operatively coupled to the elements for the construction of the EMV compatibility of the drive device 10.
Fig. 2 shows a drive device 10a in the form of a brushless outer rotor motor 40. The outer rotor motor 40 has a rotatably mounted housing 41, on the inner wall of which permanent magnet elements 42 are arranged at uniform angular distances.
The cap 41 is rotatably mounted on a shaft 43 or a shaft end, which is integrally connected to the housing 45. The cover 41 completely covers the end side of the housing 45. The housing 45 comprises a cup-shaped housing base 46, in the interior of which a circuit carrier in the form of a printed circuit board 47 is arranged. On the printed circuit board 47, electrical or electronic components 48 are arranged on the underside and/or the upper side of the printed circuit board. 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 can be arranged in order to ensure a media-tight construction of the housing interior 53. According to the invention, the housing cover 50 has a stamped grid element 54 for electrical contacting, which is at least partially injection-molded or surrounded by a material of the housing cover 50, which material consists of plastic and is produced in an injection-molding process. On the side facing the housing interior 53, the material of the housing cover 50 has a recess 55. In the region of the recess 55, the punched-out grid element 54 makes electrical contact with contact elements 56, 57, which are separated from the printed circuit board 47 and are likewise preferably designed as punched-out grid element 54. The connection between the contact elements 56, 57 and the blanking mesh element 54 is preferably made by a press-in connection or a clamping connection when the housing cover 50 is joined to the housing base part 46.
Mention may be made, in addition, of: a soldered or welded connection may also be provided between the contact elements 56, 57 and the punched-out mesh element 54.
On the side facing the cover 41, projections 58, 59, which are designed as clamping and cutting elements (klemmschneider bindengselement), project from the housing cover 50, said projections preferably being in contact with winding wire ends 60, 61, which are arranged in a positionally fixed manner, of the armature windings of an armature 62 of the outer rotor motor 40 by means of clamping and cutting connections.
The drive means 10, 10a described in this respect can be varied or modified in a wide variety of ways and ways without departing from the inventive idea.
Claims (5)
1. Drive device (10) having a housing (11) for receiving components of an electric motor (15) and having a circuit carrier in the form of a printed circuit board (35), characterized in that the printed circuit board (35) is designed as part of the housing (11), wherein the printed circuit board (35) is provided on a side facing away from an interior (37) of the housing (11) with an electrically non-conductive insulation (34) arranged in a manner covering the printed circuit board (35), and wherein the insulation (34) is designed as an injection molded part made of plastic, and wherein the injection molded part completely surrounds the region of the lateral end faces of the printed circuit board (35) and has a shape matching the receiving contour (33) of the housing (11).
2. The drive device according to claim 1, characterized in that at least one heat generating component (36) is arranged on the printed circuit board (35) on the side facing the interior (37) of the housing (11), the heat generating component (36) being partially surrounded by a potting compound (39), and the heat generating component (36) being arranged in operative connection with a cooling element (38).
3. The drive of claim 1, wherein the injection molded part is configured to: on the outer side of the printed circuit board (35), the printed circuit board (35) is covered over the entire surface with the material of the injection-molded part.
4. The drive according to one of claims 1 to 3, characterized in that the insulation (34) is provided at least in regions with a metallization, and in that the metallization is operatively coupled to an element for the purpose of forming EMV-compatibility.
5. The drive according to claim 1, characterized in that the drive (10) is configured as a component of a comfort drive in a motor vehicle.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015203775.4 | 2015-03-03 | ||
| DE102015203775.4A DE102015203775A1 (en) | 2015-03-03 | 2015-03-03 | Drive device, in particular as part of a comfort drive in a motor vehicle |
| PCT/EP2016/054078 WO2016139142A1 (en) | 2015-03-03 | 2016-02-26 | Drive device, in particular as a component of a servo drive in a motor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107431419A CN107431419A (en) | 2017-12-01 |
| CN107431419B true CN107431419B (en) | 2020-12-08 |
Family
ID=55442800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680013365.5A Active CN107431419B (en) | 2015-03-03 | 2016-02-26 | Drive device, in particular as a component of a comfort drive in a motor vehicle |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN107431419B (en) |
| DE (1) | DE102015203775A1 (en) |
| WO (1) | WO2016139142A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020106470B3 (en) * | 2020-03-10 | 2020-11-26 | Carl Freudenberg Kg | Seal arrangement and its use |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2208290Y (en) * | 1994-11-02 | 1995-09-20 | 刘学平 | Speed-changeable permanent magnetic D.C. motor able to be supplied with A.C. power directly |
| CN1113358A (en) * | 1994-03-14 | 1995-12-13 | 富士电机株式会社 | Servomotor |
| US6175171B1 (en) * | 1997-06-26 | 2001-01-16 | Robert Bosch Gmbh | Electric drive motor |
| CN101312312A (en) * | 2007-05-24 | 2008-11-26 | 阿尔卡特朗讯 | Electric motor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29622874U1 (en) * | 1996-04-22 | 1997-07-17 | Berger Lahr Gmbh | Electric motor |
| DE10254670A1 (en) * | 2002-11-22 | 2004-06-24 | Minebea Co., Ltd. | Electric motor for a pump drive |
| DE102004007395B4 (en) * | 2003-02-18 | 2016-11-03 | Denso Corporation | motor generator |
| DE102005055740A1 (en) | 2004-11-29 | 2006-06-01 | Robert Bosch Gmbh | Electrical machine has pole casing, transmission case and printed circuit board wherein conducting paths are integrated by means of MID technology into the transmission case |
| JP2008541691A (en) * | 2005-05-17 | 2008-11-20 | フェデラル−モーグル コーポレイション | BLDC motor and pump assembly having an encapsulated circuit board |
| US8506264B2 (en) * | 2010-08-16 | 2013-08-13 | Sunonwealth Electric Machine Industry Co., Ltd. | Motor and cooling fan with a circuit board having a heat-conducting insulator |
| JP2013047501A (en) * | 2011-08-29 | 2013-03-07 | Panasonic Corp | Water supply device |
| CN203984139U (en) * | 2011-09-08 | 2014-12-03 | 三菱电机株式会社 | Motor and be equipped with pump, air conditioner, water heater and the heat source machine of motor |
-
2015
- 2015-03-03 DE DE102015203775.4A patent/DE102015203775A1/en active Pending
-
2016
- 2016-02-26 WO PCT/EP2016/054078 patent/WO2016139142A1/en active Application Filing
- 2016-02-26 CN CN201680013365.5A patent/CN107431419B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1113358A (en) * | 1994-03-14 | 1995-12-13 | 富士电机株式会社 | Servomotor |
| CN2208290Y (en) * | 1994-11-02 | 1995-09-20 | 刘学平 | Speed-changeable permanent magnetic D.C. motor able to be supplied with A.C. power directly |
| US6175171B1 (en) * | 1997-06-26 | 2001-01-16 | Robert Bosch Gmbh | Electric drive motor |
| CN101312312A (en) * | 2007-05-24 | 2008-11-26 | 阿尔卡特朗讯 | Electric motor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015203775A1 (en) | 2016-09-08 |
| WO2016139142A1 (en) | 2016-09-09 |
| CN107431419A (en) | 2017-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110771017B (en) | Electric drive unit with housing | |
| US7038337B2 (en) | EMI suppression in permanent magnet DC motors having PCB outside motor in connector and overmolded | |
| JP5518255B2 (en) | Drive unit-integrated rotating electrical machine | |
| CN110299791B (en) | Electrical drive unit with at least two printed circuit boards | |
| CN108886294B (en) | Electric machine and method for producing an electric machine | |
| KR20090101357A (en) | Electric drive | |
| US10734868B2 (en) | Vehicle electronic control device and motor drive device | |
| US11271449B2 (en) | Electric machine with a brush-holding component and a plug module | |
| CN108604848B (en) | Housing cover for an electric machine | |
| WO2017065268A1 (en) | An electric motor | |
| CN107431419B (en) | Drive device, in particular as a component of a comfort drive in a motor vehicle | |
| CN107408866B (en) | Drive device, in particular as a component of a comfort drive in a motor vehicle | |
| CN106411041A (en) | Driving unit | |
| CN110365166B (en) | Electrical drive unit with a pole housing and an electronics housing | |
| US9496764B2 (en) | Brush holder for an electric motor, and gear mechanism drive unit having a brush holder | |
| CN109937524B (en) | Electric machine | |
| US20200022868A1 (en) | Ancillary unit | |
| JP4456433B2 (en) | Manufacturing method of brush holder | |
| CN113169627A (en) | Electric drive device | |
| JP4417803B2 (en) | motor | |
| KR102152512B1 (en) | Interference suppression module for commutated electric motor, and vehicle comprising such interference suppression module | |
| CN112636540A (en) | Electric drive unit with housing | |
| CN112954893A (en) | Printed circuit board device, control electronics and drive unit of electric motor type | |
| KR20240045308A (en) | Assemblies, drives | |
| JP4732834B2 (en) | Circuit component and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |