EP3704783A1 - SCHNITTSTELLE ZUM ANSCHLIEßEN EINES ELEKTROMOTORS AN EINEN KABELBAUM SOWIE ELEKTROMOTOR - Google Patents
SCHNITTSTELLE ZUM ANSCHLIEßEN EINES ELEKTROMOTORS AN EINEN KABELBAUM SOWIE ELEKTROMOTORInfo
- Publication number
- EP3704783A1 EP3704783A1 EP18789774.9A EP18789774A EP3704783A1 EP 3704783 A1 EP3704783 A1 EP 3704783A1 EP 18789774 A EP18789774 A EP 18789774A EP 3704783 A1 EP3704783 A1 EP 3704783A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electric motor
- plug
- housing
- interface
- chamber
- 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.)
- Withdrawn
Links
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
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
- H01R13/432—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by stamped-out resilient tongue snapping behind shoulder in base or case
-
- 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
- H02K5/14—Means for supporting or protecting brushes or brush holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/10—Connectors or connections adapted for particular applications for dynamoelectric machines
Definitions
- the invention relates to an interface for connecting an electric motor to a wiring harness and an electric motor with such an interface.
- the object of the invention is to reliably connect an electric motor to a cable harness, without the need for a high effort to be operated.
- an interface for connecting an electric motor is provided according to the invention to a wiring harness, with a motor-side housing, in which two plug-in chambers are provided, hineinerstreckt into each plug-in chamber, a contact blade of the electric motor, each plug-in chamber with a stop for a socket and a locking element is provided for the plug-in sleeve.
- an electric motor is provided with such an interface according to the invention.
- the invention is based on the idea of integrating into the electric motor a mechanical latching device which ensures a mechanical latching both during insertion and against unintentional release. This results in a high contact security, while at the same time the socket can be mounted in the usual way, namely can be plugged onto the contact blade of the electric motor.
- the stop and the locking element are formed by opposite end faces of a constriction of the plug-in chamber.
- the two elements can be compact on one and the same component form, namely at the constriction.
- the constriction is located approximately at the level of the free end of the contact blade. This ensures that the receptacle has to be pushed far enough onto the contact blade of the electric motor before a locking spring provided on the receptacle engages behind the constriction.
- the plug-in chamber preferably has an insertion bevel for the plug-in sleeve, so that the plug-in sleeve is reliably guided into the plug-in chamber.
- the housing in which the plug-in chambers are integrated, is preferably a brush holder housing of the electric motor, so that no additional components are required.
- the brush holder housing can accommodate a printed circuit board on which a motor sensor is arranged. With the motor sensor speed and / or angular position signals can be detected.
- the integration into the brush holder housing allows the corresponding sensor to be arranged at a suitable location with little effort.
- the circuit board preferably has a recess which is arranged concentrically with the motor shaft. It is thus possible to mechanically support the motor shaft, if, for example, a pinion is pressed onto the motor shaft on the opposite side.
- the circuit board may be secured to the housing by at least one plastically deformed retaining pin.
- a retaining pin for example, after it has been heated, can be suitably shaped so that it reliably holds the printed circuit board in the manner of a rivet, without the risk of the connection between the printed circuit board and the housing becoming detached during vibration.
- a connector for connecting the motor sensor is preferably provided on the circuit board. This makes it easier to fully connect the electric motor to the wiring harness.
- the plug-in chambers extend in the axial direction. This makes it easier to contact the contact blades of the electric motor, since the back of the electric motor is usually comparatively easily accessible.
- the housing is provided with a torque support, with which a torque of the electric motor can be supported.
- the torque support prevents the electric motor from rotating in the receptacle provided for it when a particularly high torque acts. If the electric motor were to twist, this could result in damage to the cables of the wiring harness or the plug connection between the cables and the electric motor.
- Figure 1 is a perspective view of an embodiment of an interface according to the invention.
- Figure 2 is a plug-in chamber used in the interface in a first sectional view; and FIG. 3 shows the plug-in chamber of FIG. 2 in a second sectional view.
- an electric motor 10 is seen, which is particularly intended to be used in actuators, such as those used in motor vehicles.
- An example is a spindle drive.
- the interface serves both to transmit the electrical energy for operating the electric motor 10 and to connect the electric motor 10 with a controller.
- the interface has a housing 12, which is designed here as a brush holder housing.
- the housing 12 are two plug-in chambers (see also the FIGS. 2 and 3), which are arranged so that a contact blade 16 of the electric motor extends into each plug-in chamber 14.
- the two contact blades 16 serve to transmit the electrical drive power to the electric motor 10.
- Each plug-in chamber 14 is provided with a constriction 20 which has a shoulder on opposite sides.
- the shoulder arranged on the outside of the plug-in chamber 14 constitutes a stop 22, and the shoulder arranged on the inside of the plug-in chamber 14 constitutes a latching element 24.
- the constriction lies in the axial direction of the contact blade 16 considered, approximately at the height of the free end of the contact sword.
- Each plug-in chamber 14 is also provided with chamfers 26, which guide a connector when it is inserted into the plug-in chamber 14 in the correct position.
- sockets 30 are used, each having a terminal end 32, which serves to connect the wires of a cable.
- the cable can be crimped for example with the sockets.
- Each receptacle 30 further comprises a contact portion 34 which serves to contact the corresponding contact blade 16.
- the plug-in sleeve 30 has two latching tabs 36, which serve to latch behind the latching elements 24 of the constriction 20 when the plug-in sleeve is completely inserted.
- each plug-in sleeve 30 has two stop tabs 38 which can rest on the stop 22 of the constriction 20 when the plug-in sleeve 30 is pushed onto the corresponding contact blade 16.
- Both the detent springs 36 and the stop tabs 38 are bent out of the material of the receptacle 30 by suitably stamping and then deforming a one-piece blank. Ensure the detent springs 36 together with the stop tabs 38 that the socket 30, if it is pushed far enough on the corresponding contact blade 16, mechanically locked within the plug-in chamber 14, but also can not be pushed overly far.
- the brush holder housing 12 also serves to receive a printed circuit board 40, which serves a motor sensor for detecting the rotational speed and / or the angular position of the rotor of the electric motor. The motor sensor is not visible here, since it is arranged on the side facing the electric motor side of the printed circuit board 40.
- the printed circuit board 40 covers the back of the brush holder housing 12 almost completely, as can be seen in FIG. Only the access to the plug-in chambers 14 remains free and a central recess 42 which is concentric with the motor shaft. Through the recess 42 through the motor shaft can be supported, for example, to be able to press a pinion on the output side.
- the circuit board 40 carries a connector 44 into which a complementary connector can be plugged to electrically connect the motor sensor to a controller.
- the circuit board 40 is mechanically secured to the brush carrier housing 12 by having two retaining pins 46 integral with the brush support housing 12 extending through corresponding holes in the circuit board 40 and plastically deformed on the outside, for example, by hot forming.
- the brush carrier housing 12 also has a torque support 48 which is here formed in the form of two axially extending pins.
- the pins can engage in complementary recesses of a module housing or other receptacle for the electric motor 10, so that the motor housing can not rotate in the circumferential direction. This prevents that the connection cables of the electric motor are damaged by the fact that the electric motor rotates about its own axis, when acting on a particularly high reaction torque.
- the plug-in sleeves 30 are attached in the axial direction. This is assembly technology advantageous. In addition, results in the insertion of the sockets 30 a haptic feedback when the detent springs 36 engage behind the constriction 20.
- the locking springs 36 ensure that the receptacle 30 remains reliable on the contact blade 16. To remove the receptacle 30, the detent springs 36 must be bent so much that the receptacle is unusable.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017125410.2A DE102017125410A1 (de) | 2017-10-30 | 2017-10-30 | Schnittstelle zum Anschließen eines Elektromotors an einen Kabelbaum sowie Elektromotor |
PCT/EP2018/078771 WO2019086278A1 (de) | 2017-10-30 | 2018-10-19 | SCHNITTSTELLE ZUM ANSCHLIEßEN EINES ELEKTROMOTORS AN EINEN KABELBAUM SOWIE ELEKTROMOTOR |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3704783A1 true EP3704783A1 (de) | 2020-09-09 |
Family
ID=63921553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18789774.9A Withdrawn EP3704783A1 (de) | 2017-10-30 | 2018-10-19 | SCHNITTSTELLE ZUM ANSCHLIEßEN EINES ELEKTROMOTORS AN EINEN KABELBAUM SOWIE ELEKTROMOTOR |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210066839A1 (de) |
EP (1) | EP3704783A1 (de) |
CN (2) | CN208174425U (de) |
DE (1) | DE102017125410A1 (de) |
WO (1) | WO2019086278A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017125410A1 (de) * | 2017-10-30 | 2019-05-02 | U-Shin Deutschland Zugangssysteme Gmbh | Schnittstelle zum Anschließen eines Elektromotors an einen Kabelbaum sowie Elektromotor |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS573548A (en) * | 1980-06-09 | 1982-01-09 | Hitachi Ltd | Charging generator for vehicle |
GB2248975B (en) * | 1990-10-19 | 1994-10-12 | Johnson Electric Sa | Electric motor |
US5313129A (en) * | 1993-08-05 | 1994-05-17 | Ametek Technical Motor Division | Sleeve bearing ground lead for motors |
US5664969A (en) * | 1995-08-24 | 1997-09-09 | Molex Incorporated | Electrical connector with improved terminal positioning means |
US5848918A (en) * | 1997-01-28 | 1998-12-15 | General Signal Corporation | Electrical appliance with novel electrical power connector structure |
ITPD20060362A1 (it) * | 2006-10-03 | 2008-04-04 | Inarca Spa | ¿gruppo di connessione degli avvolgimenti statorici di un motore elettrico alla rispettiva alimentazione¿ |
JP2014203607A (ja) * | 2013-04-03 | 2014-10-27 | 株式会社オートネットワーク技術研究所 | 非防水コネクタ付きワイヤーハーネス |
DE202013006297U1 (de) * | 2013-07-11 | 2013-07-25 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Steckverbinder |
DE102014007242B4 (de) * | 2014-05-16 | 2024-02-22 | Nidec Motors & Actuators (Germany) Gmbh | Bürstenhaltevorrichtung für eine Kommutatormaschine |
CN106451883B (zh) * | 2016-11-30 | 2019-07-19 | 浙江雅虎汽车部件有限公司 | 汽车腰托电机 |
DE102017125410A1 (de) * | 2017-10-30 | 2019-05-02 | U-Shin Deutschland Zugangssysteme Gmbh | Schnittstelle zum Anschließen eines Elektromotors an einen Kabelbaum sowie Elektromotor |
-
2017
- 2017-10-30 DE DE102017125410.2A patent/DE102017125410A1/de active Pending
- 2017-12-13 CN CN201721727198.9U patent/CN208174425U/zh active Active
-
2018
- 2018-10-19 EP EP18789774.9A patent/EP3704783A1/de not_active Withdrawn
- 2018-10-19 US US16/760,064 patent/US20210066839A1/en not_active Abandoned
- 2018-10-19 CN CN201880070444.9A patent/CN111279590A/zh active Pending
- 2018-10-19 WO PCT/EP2018/078771 patent/WO2019086278A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
CN208174425U (zh) | 2018-11-30 |
WO2019086278A1 (de) | 2019-05-09 |
CN111279590A (zh) | 2020-06-12 |
DE102017125410A1 (de) | 2019-05-02 |
US20210066839A1 (en) | 2021-03-04 |
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