WO2002019500A1 - Composant, en particulier porte-balais, pour un moteur electrique et procede de fabrication dudit composant - Google Patents

Composant, en particulier porte-balais, pour un moteur electrique et procede de fabrication dudit composant Download PDF

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Publication number
WO2002019500A1
WO2002019500A1 PCT/DE2001/002778 DE0102778W WO0219500A1 WO 2002019500 A1 WO2002019500 A1 WO 2002019500A1 DE 0102778 W DE0102778 W DE 0102778W WO 0219500 A1 WO0219500 A1 WO 0219500A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
signal processing
electrical signal
preparation
electrical
Prior art date
Application number
PCT/DE2001/002778
Other languages
German (de)
English (en)
Inventor
Thomas Lott
Dieter Fornoff
Werner Dilger
Christian Meyer
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
Priority to AU2001279568A priority Critical patent/AU2001279568A1/en
Publication of WO2002019500A1 publication Critical patent/WO2002019500A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/66—Structural association with auxiliary electric devices influencing the characteristic of, or controlling, the machine, e.g. with impedances or switches
    • 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
    • H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
    • H02K11/026—Suppressors associated with brushes, brush holders or their supports
    • 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
    • H02K5/143—Means for supporting or protecting brushes or brush holders for cooperation with commutators
    • H02K5/148—Slidably supported brushes
    • 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

  • Component in particular brush holder, for an electrical machine or method for producing such a component
  • the invention is based on a component, in particular a brush holder for an electrical machine, in particular an electric motor, or on a method for producing such a component according to the preamble of claim 1 and claim 11.
  • a component of an electric motor is known in the form of a brush holder, in which a circuit board is soldered to an injected component. Contacts, supply and signal lines for the circuit board are also injected into the brush holder base.
  • the component In another manufacturing method, the component must be available in advance (pre-molded part), into which the parts to be assembled are then inserted and then overmolded. So there is the manufacturing step for that
  • the manufacturing step for inserting further parts into this component and overmolding the assembled parts again in order to secure the parts in the component means a higher manufacturing effort.
  • the interface between the component and the injected mounting part that occurs when afterdrip ⁇ during an operation of the component released again.
  • the component is heated again, so that if it is made of plastic, it can easily get out of shape.
  • a brush holder is known from EP 0 797 859 B1 and US Pat. No. 5,973,433, in which conductor tracks are injected. Other components such as brush holders are assembled and fastened in a further step.
  • the component according to the invention for an electrical machine or the method according to the invention for producing such a component with the characterizing features of claim 1 or claim 11 has the advantage over the fact that a component, in particular a brush holder, for a electrical machine can be simplified and improved Has operational characteristics. In particular, there is an increased strength of elements integrated in the component against damage from vibrations.
  • An advantageous embodiment of the component results from the injection or extrusion coating of lead frames, since these represent rigid structures.
  • Another advantageous embodiment of the component results from the injection or extrusion coating of plug contacts, since this ensures an external current / voltage supply.
  • the at least one conductor track can advantageously be electrically connected to an electronic control system, an electronic circuit board, or an interference suppression choke and overmolded, because this eliminates a manufacturing step.
  • a bearing or at least a brush holder is injected into the component and is thereby held in a positionally accurate and tolerance-minimized manner.
  • Figure 1 shows a partial section of an inventive
  • Figure 2 shows a further partial section of a component according to the invention.
  • Figure 1 shows a component 1 for an electrical machine, which is a brush holder 1 in this embodiment.
  • Component 1 can also be a bearing plate.
  • the brush holder 1 can also simultaneously form the end shield for an electrical machine, i.e. in this case, it includes at least one mounting part, for example, at least one bearing 2 for mounting a rotating shaft (not shown).
  • the bearing 2 can also be integrated in the brush holder 1. Further application examples are conceivable.
  • Such a brush holder 1 can be used for an electrical machine, e.g. for an electric motor or for an electric generator.
  • the brush holder 1 has at least one conductor track 5, which ensures an electrical power supply from an outer plug to the at least one carbon brush 8, which is arranged in a brush holder 9. If interference suppression is necessary, at least one interference suppression element, for example at least one interference suppression choke 11, can be arranged between the conductor track 5 and the carbon brush 8 as an element for electrical signal processing and preparation.
  • at least one interference suppression element for example at least one interference suppression choke 11, can be arranged between the conductor track 5 and the carbon brush 8 as an element for electrical signal processing and preparation.
  • Cables can also be used as conductor track 5.
  • the conductor track 5 can also be, for example, by means of a lead frame 5 or by at least one plug contact 18, which has at least one element for electrical Signal processing and preparation is linked, are formed.
  • the plug contacts 18 are used for connection to an external current / voltage supply and are accessible on the component 1 from the outside.
  • leadframe 5 is electrically connected, for example, to at least one suppressor choke 11 at a contact point 10
  • suppressor choke 11 is electrically connected to at least one carbon brush 8 via a brush wire 12 at a contact point 13; Elements for electrical signal processing and supply connected to the lead frame 5.
  • this and possibly other assembly parts such as the bearing 2 or the brush holder 9 are inserted into a tool and in this tool in a further production step at least partially, for example, overmolded with plastic, as a result of which the lead frame 5 and the suppressor choke 11, for example, also with the contact points 10, 13 and other contact points provided on the lead frame 5 are held by the extrusion coating.
  • the component 1 is formed by the injection molding process.
  • the assembly parts 2, 9 can also be injected into the component 1 in a second production step. In a region in which higher temperatures arise during operation, such as around the brush holder 9, the bearing 2 or the interference suppressor 11, a more heat-resistant plastic can also be injected into the tool in a two-stage injection process.
  • the brush holder 9 can also be formed by plastic during the spraying process.
  • the carbon brush 8 can also after the spraying process
  • Suppression choke 11 or the conductor track 5 are electrically connected.
  • one or more Hall sensors or further sensors can be arranged in and on the component 1 and overmolded.
  • a ceramic mass can also be used for the extrusion coating, which is hardened or sintered in a further step.
  • Figure 2 shows how, for example, an electronic circuit board 15, i.e. a printed circuit board as an element for electrical signal processing and preparation, is enclosed by the material of component 1 on the outer circumference, i.e. is at least partially overmolded and held in this way.
  • the element for electrical signal processing and provision 15 can also be control electronics 15, which is arranged, for example, on an electronic circuit board 15 and is used to control the electrical machine.
  • the circuit board 15 is also in the first
  • On the circuit board 15 are electrical or electronic components 14 such.
  • the elements for electrical signal processing and preparation 11, 15 and the mounting parts 2, 9 are fastened in the component 1 by the extrusion coating of the lead frame 5 and the interference suppressor 11 and printed circuit board 15 or the bearing 2 and brush holder 9. It is not Additional manufacturing step for fastening the elements for electrical signal processing and preparation 11, 15 or the mounting parts 2, 9 in the component 1 is necessary.
  • Contact points 10, 13 are held in place and can no longer vibrate and cause noise during the operation of component 1 in an electrical machine, or lead to contact interruptions.
  • the elements for electrical signal processing and preparation 11, 15 and contact points 10, 13 are protected against destructive environmental influences.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)

Abstract

L'invention concerne un composant pour un moteur électrique comprenant au moins un conducteur électrique et au moins un élément pour la régénération et l'affectation électriques de signaux. Ce composant est fabriqué selon l'état de la technique, de sorte que ledit élément est ensuite utilisé pour la régénération et l'affectation électriques de signaux puis fixé audit composant par extrusion. Un composant (1) selon ladite invention et un procédé de fabrication d'un composant (1) pour un moteur électrique avec un conducteur électrique (5) et au moins un élément pour la régénération et l'affectation électriques de signaux (11, 15) réduisent le nombre d'étapes de fabrication et garantissent un meilleur fonctionnement dudit composant, le conducteur (5) étant d'abord relié à l'élément pour la régénération et l'affectation électriques de signaux (11, 15) puis extrudé pour la fabrication du composant (1).
PCT/DE2001/002778 2000-08-30 2001-07-21 Composant, en particulier porte-balais, pour un moteur electrique et procede de fabrication dudit composant WO2002019500A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001279568A AU2001279568A1 (en) 2000-08-30 2001-07-21 Component, in particular a brush holder for an electrical motor and method for production of said component

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10042508A DE10042508A1 (de) 2000-08-30 2000-08-30 Bauteil, insbesondere Bürstenhalter, für eine elektrische Maschine bzw. Verfahren zur Herstellung eines solchen Bauteils
DE10042508.9 2000-08-30

Publications (1)

Publication Number Publication Date
WO2002019500A1 true WO2002019500A1 (fr) 2002-03-07

Family

ID=7654253

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2001/002778 WO2002019500A1 (fr) 2000-08-30 2001-07-21 Composant, en particulier porte-balais, pour un moteur electrique et procede de fabrication dudit composant

Country Status (3)

Country Link
AU (1) AU2001279568A1 (fr)
DE (1) DE10042508A1 (fr)
WO (1) WO2002019500A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10315871A1 (de) * 2003-04-08 2004-10-21 Ina-Schaeffler Kg Bürstenloser Gleichstrommotor (BLDC-Motor)
US20210296977A1 (en) * 2018-07-17 2021-09-23 Ziehl-Abegg Se Electric motor and method for evaluating the vibration state of an electric motor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10335001A1 (de) * 2003-07-31 2005-02-24 Robert Bosch Gmbh Verfahren zum Befestigen einer Entstördrossel sowie Vorrichtung beinhaltend eine solche Entstördrossel

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4895536A (en) * 1984-05-11 1990-01-23 Amp Incorporated Lead frame assembly having severable electrical circuit sections
EP0413849A1 (fr) * 1989-08-25 1991-02-27 Siemens Aktiengesellschaft Dispositif de reconnaissance de rotation pour un moteur à commutateur excité par aimants permanents ou par pôles saillants
US5326235A (en) * 1991-02-21 1994-07-05 Swf Auto-Electric Gmbh Electric motor with attached pump
DE4430798A1 (de) * 1994-08-30 1996-03-07 Siemens Ag Stanzgitter zur Verbindung von elektrischen Bauelementen
DE19548867A1 (de) * 1995-06-29 1997-01-09 Teves Gmbh Alfred Gehäuse für ein Getriebe
DE19851455A1 (de) * 1998-02-05 1999-08-12 Bosch Gmbh Robert Elektronikmodul für eine elektromotorisch betriebene Antriebseinheit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4895536A (en) * 1984-05-11 1990-01-23 Amp Incorporated Lead frame assembly having severable electrical circuit sections
EP0413849A1 (fr) * 1989-08-25 1991-02-27 Siemens Aktiengesellschaft Dispositif de reconnaissance de rotation pour un moteur à commutateur excité par aimants permanents ou par pôles saillants
US5326235A (en) * 1991-02-21 1994-07-05 Swf Auto-Electric Gmbh Electric motor with attached pump
DE4430798A1 (de) * 1994-08-30 1996-03-07 Siemens Ag Stanzgitter zur Verbindung von elektrischen Bauelementen
DE19548867A1 (de) * 1995-06-29 1997-01-09 Teves Gmbh Alfred Gehäuse für ein Getriebe
DE19851455A1 (de) * 1998-02-05 1999-08-12 Bosch Gmbh Robert Elektronikmodul für eine elektromotorisch betriebene Antriebseinheit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10315871A1 (de) * 2003-04-08 2004-10-21 Ina-Schaeffler Kg Bürstenloser Gleichstrommotor (BLDC-Motor)
US20210296977A1 (en) * 2018-07-17 2021-09-23 Ziehl-Abegg Se Electric motor and method for evaluating the vibration state of an electric motor

Also Published As

Publication number Publication date
AU2001279568A1 (en) 2002-03-13
DE10042508A1 (de) 2002-03-21

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