EP2291902A1 - Dispositif de maintien et moteur électrique ainsi équipé - Google Patents

Dispositif de maintien et moteur électrique ainsi équipé

Info

Publication number
EP2291902A1
EP2291902A1 EP09769061A EP09769061A EP2291902A1 EP 2291902 A1 EP2291902 A1 EP 2291902A1 EP 09769061 A EP09769061 A EP 09769061A EP 09769061 A EP09769061 A EP 09769061A EP 2291902 A1 EP2291902 A1 EP 2291902A1
Authority
EP
European Patent Office
Prior art keywords
holding device
electric motor
connecting cable
motor
cable
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Withdrawn
Application number
EP09769061A
Other languages
German (de)
English (en)
Inventor
Joerg Offterdinger
Reinhold Weible
Juan Jose Garcia Martinez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2291902A1 publication Critical patent/EP2291902A1/fr
Withdrawn legal-status Critical Current

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

Definitions

  • the invention relates to a holding device, which is held at least by means of a clamping attachment to an electric motor and which has a fastening device for mechanical attachment of at least one connecting cable, wherein the connecting cable is held in a position in which an electric current flow to at least one terminal contact of the electric motor is made possible ,
  • Such holding devices are used for contacting small electric motors, which are used for example as an actuator in automation technology.
  • the contacting by means of a stamped grid has the disadvantage that no structure-borne sound decoupling and no tolerance compensation is possible between stamped grid and motor housing. Accordingly, a high accuracy in the production of the lead frame is required to avoid mechanical stress on the motor connections. Furthermore, complex measures for the insulation of the connections are necessary to avoid a short circuit on the stamped grid. Furthermore, it is known from the prior art to contact an electric motor in that Litzenan say be soldered directly to the terminals of the motor. This simple type of contacting avoids the disadvantages described above. However, the reliability suffers due to the lack of strain relief of the connecting cables. Thus, the solder joint is mechanically stressed during assembly of the motor and the quality and reliability of the product suffers.
  • the additional circuit board has a geometry which is adapted to the geometry of the end shield with the motor connections.
  • the additional circuit board can be connected by soldering to the terminals of the motor.
  • the connecting cables are also soldered to the circuit board.
  • the printed circuit board may contain other components, for example for radio interference suppression. Even with this type of contacting, however, the solder joint of the terminal contacts is mechanically stressed during assembly of the motor. A strain relief of the connecting cables is not given. Since the number of solder joints is doubled compared to directly soldered wire connections, the number of possible sources of error also doubles.
  • the present invention seeks to provide a contacting and holding device for the connecting cables of an electric motor, which is simple and inexpensive to produce and can be installed. Furthermore, the holding device should avoid the risk of short circuits and provide reliable strain relief of the connecting cables.
  • the object is achieved by a holding device, which at least by means of a clamping attachment is held on an electric motor and consists of a plastic.
  • the holding device has a fastening device for mechanical attachment of at least one connecting cable, wherein the connecting cable is held in a position in which an electrical
  • a holding device for strain relief and contacting of the connection lines can be produced in a particularly simple manner from a plastic. This ensures the necessary insulation of the connection lines with each other and the housing of the electric motor.
  • the holding device is held at least by means of a clamp attachment to the electric motor. Occasionally, a further attachment may occur, for example a screw connection, a rivet or a bond.
  • connection lines are also attached to the holding device, for example by clamping, gluing or welding.
  • a clamping can be achieved for example by means of at least one pair of posts, between which the connection cable is inserted.
  • the mechanical fastening device of the connecting cable is used to strain relief of the cable during operation and / or in the production of the electric motor.
  • connection lines are arranged on the holder so that an electric current can flow from an uninsulated part of the connection line to the connection contact of the motor.
  • the connection line can either be arranged directly on the connection contact or connect it by means of a conductor track.
  • the conductor track can be formed on the holding device, for example by metallized partial surfaces of the surface. Alternatively it is possible to arrange a metallic conductor, such as a wire, in the material of the holding device or to fix it on this.
  • the holding device according to the invention is provided in particular for small electric motors with a power of 0.1 to 20 watts.
  • Such small electric motors are used as actuators in automation technology, in particular for the automation of functions in vehicles such as ventilation flaps, exterior mirrors or windows.
  • the holding device according to the invention is available in an injection molding process.
  • a thermoplastic material such as polypropylene
  • the holding device according to the invention can be produced in large quantities with high dimensional accuracy.
  • the injection molding process offers the possibility of also integrally attaching further components to the holding device, such as, for example, the mechanical fastening devices of the connection cables.
  • the fastening device for mechanical attachment of at least one
  • Connecting cable are formed by means of a clip with a film hinge.
  • a clip can be made particularly advantageous in the manufacture of the holding device in one piece with this. After inserting the connection cable can be contacted by bending the film hinge with a simple operation in series production of the electric motor.
  • connection cable results in particular when the fastening device has a first clamping region and a second clamping region
  • Clamping region wherein the clamping regions are provided for receiving an insulated portion of the connecting cable and between the clamping regions, a portion of the connecting cable comes to rest, which has no insulation.
  • fastening device is the Terminal of the electric motor designed in particular elongated and comes to rest between the clamping areas of the fastening device. The cable is then held on either side of the terminal, so that no torque is applied to the terminal when the cable experiences a load across the terminal. Due to the double clamping on both sides of the terminal and the axial holding force is increased in an advantageous manner.
  • a particularly reliable attachment of the holding device to the electric motor is obtained when the holding device has a first part, which rests after mounting on the cylinder jacket surface of a cylindrical motor housing and a second part which rests after assembly on a base of the cylindrical motor housing, both Parts of the holding device are integrally connected to each other and are approximately at right angles to each other.
  • the intended for contacting small electric motors usually have a housing of a metal sheet, which is approximately cup-shaped. In the metallic bottom of the cup while the first shaft bearing can be attached. The bottom of the opposite opening of the cup is closed with a bearing plate, usually made of plastic material.
  • the end shield contains the second motor bearing as well as the connection contacts for contacting the motor windings.
  • the exterior of the engine essentially has one
  • the outer shape of the engine is not limited to a circular cylinder.
  • For better space utilization is in particular common to flatten one or more lateral surfaces of the engine.
  • the holding device now has two partial surfaces, which come to lie once on the bearing plate with the connection contacts and on the other to the lateral surface of the cylinder. As a result, the holding device surrounds the motor and is reliably protected against lateral displacement or rotation. Due to the larger, on the cylinder surface to Available contact surface, the holding device can be particularly reliably connected to the motor housing.
  • the engine can also be provided with a transmission.
  • the bearing plate can be omitted and the shaft bearing is arranged in the transmission housing.
  • the metallic, cup-shaped housing is often referred to as an end cap and attached to the gear housing.
  • the holding device can also be mounted on the end cap.
  • a cable guide can be provided in the first part of the holding device resting against the cylinder jacket surface.
  • This can for example consist of grooves or recesses into which the connection cable can be inserted.
  • the connection cable can be fixed to these grooves by means of further fastening devices or by gluing.
  • the shaft bearing of the motor needs further support on other components, the second part of the holding device, which comes to rest on the bearing plate, have a recess which leaves the shaft bearing at least partially free.
  • the shaft bearing can be fixed in a further housing or on a retaining plate.
  • Figure 1 shows a holding device according to the invention after its complete completion, however, before mounting on the electric motor.
  • FIG. 2 shows the mounting of a holding device on an electric motor.
  • FIG. 3 shows the mounting of a connecting line on the electric motor by means of the holder according to the invention.
  • FIG. 4 shows the electric motor after complete installation of both connection lines.
  • Figure 5 shows an alternative embodiment of the holding device.
  • Figure 1 shows an embodiment of a holding device according to the invention.
  • the partial figures Ia and Ib show two different perspective views of the same device.
  • the holding device 1 has a first part 2, which rests after assembly on the cylinder jacket surface of a cylindrical motor housing. Furthermore, the holding device has a second portion 3, which rests after assembly on a base of the cylindrical motor housing.
  • the first part 2 has two grooves 5a and 5b, which are provided for guiding the connecting cable.
  • the stopper 4 prevents rotation of the holding device according to the invention. Furthermore, stop 4 also serves the cable management.
  • the second part of the holding device has a protruding portion 6, which is provided for receiving the engine mount.
  • the base of the second part 3 has four recesses 10 a, 10 b, II a and II b, which once for receiving the retaining clips 7 and the other to
  • a fixing device for fixing the connection cables, a fixing device is provided, which in each case has a first clamping region 8, a second clamping region 9 and associated film hinges 5.
  • the film hinge 5 In order to generate a holding force between the film hinge 5 and the clamping region 8 or 9, the film hinge 5 by means of the retaining clip 7, which engages in recess 10, stretched over the connecting cable.
  • FIG. 2 shows a motor housing 12.
  • the motor housing is essentially cylindrical, wherein an engine mount 15 and two connection terminals 13a and 13b for winding contacting are arranged in the cylinder base area. From the motor base 15 opposite base surface, the motor shaft exits. The motor shaft is not shown in the drawing in FIG.
  • the holding device 1 For mounting the holding device 1, this is pressed in the direction of the arrow 14 on the motor housing 12.
  • the holding device 1 engages with the motor housing 12 and is held by this clamp securely on the motor housing.
  • press ribs may be provided on the first part 2 of the holding device 1.
  • the lateral surface of the housing 12 can protrude beyond the base surface of the housing 12.
  • the second part 3 of the device 1 engage, so that it can not be moved laterally.
  • the motor bearing 15 comes to lie in the projection 6, resulting in a further lateral guidance.
  • the terminals 13a and 13b come to lie in the recess IIa and IIb of the holding device 1.
  • connection line The assembly of a connecting line is shown below with reference to FIGS. 3a and 3b. However, it is also possible to first fix the connection line to the holding device and to connect the thus prefabricated holding device as shown in FIG. 2 to the motor housing.
  • FIGS. 3 a and 3 b show two assembly steps of a connection line 16 by means of the holding device 1 at the connection terminal 13 of an engine 12.
  • FIGS. 3 a and 3 b also show how the stop 4 comes to lie on the cylinder jacket surface from the first part 2 of the device 1, thereby causing the device 1 to rotate avoids.
  • the second part 3 of the device 1 is flush with the housing 12 of the electric motor.
  • connection line 16 has been prepared so that a first, provided with an insulation portion 18 comes to rest in a first portion 8 of the mounting clamp. Furthermore, the connection line 16 has a second, provided with an isolation portion 17. This comes to rest during assembly in area 9 of the terminal. Between the insulated sections 17 and 18 there is a non-insulated part 19. In section 19 the cable insulation has been removed. The region 19 comes to rest between the clamping regions 8 and 9 in the region of the opening 11. Since the connection terminal 13 is arranged in the region of the opening 11, the non-insulated conductor region 19 is in conductive contact with terminal 13.
  • Figure 3b shows how the fastening device is closed by bending the film hinges 5 and snapping the clip attachment 7 in opening 10.
  • a holding force on line 16 is exerted between clamping region 8 and film hinge 5 and between clamping region 9 and film hinge 5.
  • the line portion 19 by means of soldering and / or welding and / or crimping and / or bonding with conductive adhesive and / or with a insulation displacement connector with terminal 13 are connected.
  • the film hinges 5 are designed so that the connection region 19 remains accessible even after snapping clip 7 in opening 10.
  • the second connecting line is fastened to the second connecting terminal.
  • Figure 4 shows this state after both fastening devices are each occupied by a connecting line 16a and 16b.
  • the connecting cables in the Cable guides 5a and 5b inserted.
  • the stopper 4 serves to deflect the connection cable 16 approximately in the middle of the motor housing by 90 ° and to lead them to a terminal board. In some cases, the connection cables can also be led away from the motor in any other direction.
  • the grooves used as a cable guide 5a and 5b are designed in diameter so that the connecting cable 16 are fixed by pressing into the elastic plastic material of the holder 1, without the need for further attachment.
  • Material of the holding device 1 is further avoided that structure-borne noise is transmitted from the engine via the connecting cable to other modules.
  • Figure 5 shows a further embodiment of the holding device 1.
  • the fastening elements for fixing the connecting cable and the first part 2 of the device are still present.
  • the recess 6 in the second part 3 of the device 1 has a recess through which the motor bearing 15 remains accessible even after mounting the device 1.
  • the half of the engine mount 15 remains uncovered.
  • the physical opening in the region 6 of the device 1 allows the motor bearing 15 and thus the motor housing 12 to be supported on a further component, for example a mounting bracket.
  • a statically fixed connection from the motor housing 12 to other modules is possible without the elastic holding device 1 impairing the vibration behavior of the motor.

Landscapes

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

Abstract

L'invention concerne un dispositif de maintien fabriqué en matière plastique, qui est placé sur un moteur électrique au moins à l'aide d'une fixation par serrage et qui possède un dispositif de fixation destinée à assurer la fixation mécanique d'au moins un câble de raccordement. Le câble de raccordement est maintenu dans une position dans laquelle l'alimentation en courant électrique d'au moins un contact de raccordement du moteur électrique est possible, le contact de raccordement restant accessible pour une étape ultérieure de travail.
EP09769061A 2008-06-27 2009-04-27 Dispositif de maintien et moteur électrique ainsi équipé Withdrawn EP2291902A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810002729 DE102008002729A1 (de) 2008-06-27 2008-06-27 Haltevorrichtung sowie damit ausgestatteter Elektromotor
PCT/EP2009/055030 WO2009156212A1 (fr) 2008-06-27 2009-04-27 Dispositif de maintien et moteur électrique ainsi équipé

Publications (1)

Publication Number Publication Date
EP2291902A1 true EP2291902A1 (fr) 2011-03-09

Family

ID=40939612

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09769061A Withdrawn EP2291902A1 (fr) 2008-06-27 2009-04-27 Dispositif de maintien et moteur électrique ainsi équipé

Country Status (4)

Country Link
EP (1) EP2291902A1 (fr)
DE (1) DE102008002729A1 (fr)
RU (1) RU2011102815A (fr)
WO (1) WO2009156212A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013001872B4 (de) 2013-02-02 2021-07-22 Audi Ag Kraftwagen mit einem Aggregat zum Antreiben des Kraftwagens
DE102019103452B4 (de) * 2019-02-12 2024-05-08 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Kopplungsteil zur Kopplung eines Elektromotors mit einem Antriebsgehäuse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240381A1 (de) * 1992-12-01 1994-06-09 Licentia Gmbh Elektromotor, insbesondere Kommutatormotor
EP1285485B1 (fr) * 2000-05-22 2004-10-06 Siemens Aktiengesellschaft Moteur electrique, notamment moteur a collecteur
EP1416614B1 (fr) * 2002-11-04 2006-06-14 Siemens Aktiengesellschaft Raccord adapter pour un moteur électrique
EP1665501B1 (fr) * 2003-09-02 2012-12-26 SEW-Eurodrive GmbH & Co Moteur électrique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009156212A1 *

Also Published As

Publication number Publication date
DE102008002729A1 (de) 2009-12-31
WO2009156212A1 (fr) 2009-12-30
RU2011102815A (ru) 2012-08-10

Similar Documents

Publication Publication Date Title
DE102015214457B4 (de) Ansteuereinheit mit anschlüssen in federndem kontakt miteinander
DE102013204791A1 (de) Elektrischer Aktuator
DE102011013449B4 (de) Baugruppe mit einem Träger, einem SMD-Bauteil und einem Stanzgitterteil
DE102007031351B4 (de) Verbindungsvorrichtung zur Verbindung eines ersten elektrischen Leiters mit einem elektrischen Leiter eines photovoltaischen Solarmoduls
DE102012218847A1 (de) Anschlusselement für eine Antriebsanordnung sowie eine Antriebsanordnung mit einem Anschlussteil
EP2277238A1 (fr) Connecteur électrique à compensation des tolérances, notamment pour des appareils de commande de véhicule à moteur
EP3340444A2 (fr) Moteur électrique et module de ventilateur de radiateur pourvu d'un tel moteur électrique
EP3109951B1 (fr) Composant electrique, unite de connexion comprenant au moins un composant electrique, vehicule ainsi equipe et procede de fabrication d'un composant electrique
DE102012104259B4 (de) Gleichstrommotor zum Antrieb von Aggregaten eines Kraftfahrzeugs
WO2015000672A2 (fr) Moteur à commutation électronique
EP2291902A1 (fr) Dispositif de maintien et moteur électrique ainsi équipé
WO2020125874A1 (fr) Moteur à collecteur et gamme de fabrication de moteurs à collecteur
EP1153460A1 (fr) Dispositif pour assembler electriquement et mecaniquement deux plaquettes a circuit imprime
WO2016155969A2 (fr) Composant inductif et procédé de réalisation d'un composant inductif
EP2619849A1 (fr) Borne guillotine pour établir une liaison électrique et ensemble de mise en contact électrique doté d'une borne guillotine de ce type
DE102010039747A1 (de) Kontaktelement zur Kontaktierung eines Verbrauchers mit einem Steuergerät, Anordnung aus einem Verbraucher und einem Steuergerät, sowie Verfahren zur Montage einer solchen Anordnung
DE102007003652B4 (de) Elektrische Überbrückung
EP1619774A1 (fr) Système de balais pour actionneur électrique de véhicule à moteur
DE102019125108A1 (de) Leistungselektronikanordnung umfassend eine Leiterplatte und ein Leistungsmodul, Verfahren zur Herstellung einer Leistungselektronikanordnung, Kraftfahrzeug umfassend eine Leistungselektronikanordnung
DE102018129391A1 (de) Schneidklemmenanordnung für eine elektrische Maschine
DE102013013715A1 (de) Elektrische Kontaktanordnung sowie Verfahren zum Herstellen einer solchen elektrischen Kontaktanordnung
EP1665501B1 (fr) Moteur électrique
DE19717882A1 (de) Schaltungsträger in Form eines spritzgegossenen Kunststoffverbindungsteils (MID)
DE102017223379A1 (de) Bürstenträger-Bauteil für eine elektrische Maschine sowie elektrische Maschine
WO2024126382A1 (fr) Dispositif de commande et procédé d'assemblage du dispositif de commande

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20110127

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA RS

DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20141101