CN100342599C - Electric machine with a brush carrier - Google Patents
Electric machine with a brush carrier Download PDFInfo
- Publication number
- CN100342599C CN100342599C CNB038096811A CN03809681A CN100342599C CN 100342599 C CN100342599 C CN 100342599C CN B038096811 A CNB038096811 A CN B038096811A CN 03809681 A CN03809681 A CN 03809681A CN 100342599 C CN100342599 C CN 100342599C
- Authority
- CN
- China
- Prior art keywords
- brush
- container
- motor
- brush carrier
- carrier
- 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.)
- Expired - Fee Related
Links
- 239000004020 conductor Substances 0.000 claims abstract description 7
- 239000011810 insulating material Substances 0.000 claims abstract description 6
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/38—Brush holders
- H01R39/383—Brush holders characterised by the electrical connection to the brush holder
-
- 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
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/38—Brush holders
- H01R39/385—Means for mechanical fixation of the brush holder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/38—Brush holders
- H01R39/388—Brush holders characterised by the material of the brush holder
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The invention relates to an electric machine, especially an electric motor, comprising a brush carrier (1) made of an insulating material and at least one brush (3) arranged in a tubular brush holder (2). The tubular brush holder (2) is made of a conducting material and is disposed in such a way that it is exposed on the brush carrier (1). An integral electric connection element (4,5) is provided in the brush carrier (1) for electrical connection.
Description
Technical field
The present invention relates to especially a kind of motor of a kind of motor, comprise that a brush carrier of being made by insulating material is arranged in a brush in the container with at least one.
Background technology
This class motor is many in common knowledge as commutator motor for example, a contact brush of this class motor be arranged in the container as brush and with one be arranged in epitrochanterian commutator and keep sliding contact.By brush and commutator on the rotor winding of current delivery to a swivel bearing.The brush carrier of this class motor has a plastic housing, and above-mentioned carbon brush container inserts in this outer cover and can tighten.This container of plastic housing complete closed.When this class motor for example for example uses as wiper motor or as the glass regulator motor as the auxiliary drive of automobile, then may on brush, produce serious heating.Because the brush container is surrounded by the plastic housing of the sealing of brush carrier, this class motor heat radiation is bad, produces accumulation of heat, thereby can cause the infringement to motor.In addition, since have plastic housing and wherein the brush carrier of fixed brush container said structure and because the different tolerance of mounting means generation of insertion and fastening or clamping, these tolerances are accumulated in disadvantageous mode, and can cause the power of electric motor loss owing to coarse location of parts.
Summary of the invention
The object of the present invention is to provide a kind of motor, it comprises that a brush carrier made from insulating material and at least one are arranged in the brush in the container, this container is made with electric conducting material, and container exposes and is arranged on the brush carrier, in brush carrier, one constitutes an electrical connecting element that is electrically connected usefulness with container.
The advantage of motor of the present invention is, because the brush container makes and expose with electric conducting material and be arranged on the brush carrier, so motor can be realized good heat radiation on the brush container.That is to say that the brush container is not surrounded by the ambroin outer cover of brush carrier, thus can realize good heat radiation, because there is not insulating material to cover the brush container fully.Like this, motor of the present invention just can be used for the high use occasion of temperature.In addition,, made things convenient for the possibility of installing and obviously reduce tolerance stack, do not resembled the build-up tolerance that when the brush container inserts or buckles into, produces the prior art because the present invention does not exist because the brush container exposes and is arranged on the brush carrier.Secondly, since the present invention in brush carrier integrated one be used for the Connection Element that is electrically connected with the brush container, so can pass to the brush container to electric current by this Connection Element, and further simplify the structure thus and save parts, because do not need the independent conducting channel of brush.So just simplified installation especially, reduced thereby can reach tangible expense.In addition, the layout that exposes of brush container helps obviously to improve its vibration performance, because do not have build-up tolerance and/or matched in clearance between brush container and brush carrier.
For realize as far as possible simple make and be integrated and connected element and the brush container of brush carrier between reliable the electrical connection, the interior Connection Element preferred design of brush carrier becomes grid element.Like this, on the one hand can realize large-area electrical connection, on the other hand when making brush carrier by the space of grid can between brush carrier and grid element, realize easy be connected reliably.
In order to realize the reliable connection between brush container and the grid element, the brush container has at least one face join domain, and it is connected in this zone with grid element.Like this, just can between these two elements, connect by realization face, thereby realize reliable electrical contact.
This grid element and brush container are particularly advantageous by means of welding especially that resistance welded interconnects.Like this, can between these two parts, realize mechanical connection on the one hand, also realize electrical connection on the other hand simultaneously, thereby form a simple especially structure.In addition, because connection machinery and/or electric of parts does not need the element that adds, so can save parts.
In order to realize especially simply making of brush carrier, brush carrier is preferably made of plastic, and for example injection moulding is integrated in grid element in the brush carrier by means of pouring into a mould especially in the manufacture process of brush carrier.Should be pointed out that grid element also can be integrated in the brush carrier certainly like this, the grid surface that promptly keeps a sky comes the brush container is connected the surface of the brush carrier that electrically contacts.
Connect the most handy twisted wire between these two parts reliably in order between brush container made from electric conducting material and brush, to realize.
In order to realize making economically grid element, grid element is preferably made the punching out grid.
The brush that is arranged in this container is preferably carbon brush.In addition, described motor motor commutator motor especially preferably.
Description of drawings
Describe the present invention in detail below in conjunction with an embodiment shown in the drawings.Accompanying drawing is represented:
Fig. 1 is according to the perspective illustration of a kind of carbon brush holder of one embodiment of the invention proposition;
Fig. 2 is arranged in the amplification perspective illustration of a carbon brush container on this carbon brush holder.
Embodiment
Below with reference to Fig. 1 and 2 one embodiment of the present of invention are described.
Fig. 1 shows a brush carrier 1 of especially a kind of commutator motor of motor.Brush carrier 1 usefulness electrical insulating material for example plastics is made by means of injection moulding.The electrical connectors 9 of contact-carrying 14 constitutes one in a side of brush carrier 1.
As can be seen from Figure 1, two brush containers 2 on brush carrier 1, have been arranged.Two brush containers 2 are centre bore 12 next doors that 180 ° of correspondences are arranged in brush carrier 1.Centre bore 12 particularly is used for passing through armature spindle.Two the most handy steel plates of brush container 2 usefulness electric conducting materials are made rectangle.In the inside of brush container 2 is the cavity of bag shape, so that hold brush 3.The for example available steel plate punch forming of container 2.
As shown in Figure 1, a face bonding pad 6 or 7 on two of container 2 relative limits, have been disposed respectively.As shown in Figure 2, these face bonding pad 6,7 for example available simple modes form by the part trimming and the bending of the plate of container 2.Upper area at container 2 constitutes an elongated slot 13 respectively, and elongated slot 13 is used for by a twisted wire 8, and this twisted wire inserts in the brush 3 with an end, and is connected with contact element 11 with the other end.Contact element 11 then is connected with container 2.Be electrically connected thereby between container 2 and brush 3, set up reliably.
Should be pointed out that twisted wire 8 is not absolute demand because the electrical connection between container 2 and the brush 3 also can be directly contact by these two parts in the bag shape cavity of container realize.But owing between these two parts, have certain clearance, electrically contact can not resemble with a twisted wire 8 reliable.
As shown in Figure 1, in the brush carrier 1 of each container 2, grid element 4,5 all one constitutes in brush carrier spare.This grid element 4,5 usefulness electric conducting materials are made, and can for example embed in the injection mould of brush carrier as insert by means of injection moulding in the manufacturing process of brush carrier 1. Grid element 4,5 is used for making the electrical connection between container 2 and the electrical connectors 9, and wherein the electrical connection between grid element 4,5 and the electrical connectors 9 realizes by unshowned, the same lead that one constitutes in brush carrier 1.Constituting grid element 4,5 on some positions like this, promptly under the state that assembles, in container 2 and 6,7 these positions, face bonding pad.For the economy of making, grid element 4,5 is the punching out grid preferably.
When container 2 is installed on the brush carrier 1, preferably use resistance welded that face bonding pad 6,7 is connected on the grid element 4,5.So just between grid element 4,5 and container 2, form reliable face and connect, and realize that thus the electric current reliable transmission is to container 2.In addition, container 2 also is fixed on the brush carrier 1 thus simultaneously.So the present invention can save parts, because in parts, not only realized conduction but also realized mechanical connection.
For easy for installation, be preferably in a plurality of setting elements 10 of one formation container 2 on the brush carrier 1.The both sides that are preferably in container 2 are respectively provided to few setting element, be preferably in a side two such setting elements are set.
In addition, container 2 of the present invention is actually to expose and is placed on the brush carrier 1, so can improve the heat radiation of container 2.Because the present invention need not surround the insulation cover of container 2 in the prior art.So brush carrier of the present invention also is used in the motor that has higher temperature on this container, because it has the hot property of obvious improvement.
Secondly, between container 2 and brush carrier 1, can only also improve vibration performance significantly, because the present invention does not exist build-up tolerance and/or matched in clearance by destroying the connection of the present invention that to dismantle.Like this, also can not produce harmful accumulation of tolerance resemble the prior art.In addition, the present invention has realized the assembly structure of obvious simplification, wherein for example particularly can not produce issuable mechanical failure on element or crooked clamping plate etc. in the prior art.
Claims (11)
1. motor, comprise that a brush carrier made from insulating material (1) and at least one are arranged in the brush (3) in the container (2), it is characterized by, container (2) is made with electric conducting material, and container (2) exposes and is arranged on the brush carrier (1), in brush carrier (1), one constitutes an electrical connecting element (4,5) that is electrically connected usefulness with container (2).
2. by the motor of claim 1, it is characterized by, the electrical connecting element in this brush carrier (4,5) is a grid element.
3. by the motor of claim 1 or 2, it is characterized by, container (2) has at least one face bonding pad (6,7) that is connected usefulness with the electrical connecting element (4,5) of this brush carrier.
4. by the motor of claim 1, it is characterized by, electrical connecting element of this brush carrier (4,5) and container (2) interconnect by means of welding.
5. by the motor of claim 1, it is characterized by, brush carrier (1) is made of plastic, and in the process of this brush carrier cast electrical connecting element (4,5) is integrated in this brush carrier.
6. by the motor of claim 1, it is characterized by, container (2) is electrically connected by a twisted wire (8) with brush (3).
7. by the motor of claim 2, it is characterized by, this grid element is the punching out grid.
8. by the motor of claim 1, it is characterized by, brush (3) is a carbon brush.
9. by the motor of claim 1, it is characterized by, this motor is a kind of motor.
10. by the motor of claim 4, it is characterized by, electrical connecting element of this brush carrier (4,5) and container (2) interconnect by means of resistance welded.
11. the motor by claim 9 is characterized by, this motor is a kind of commutator motor or slip-ring rotor motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10239433.4 | 2002-08-28 | ||
| DE2002139433 DE10239433A1 (en) | 2002-08-28 | 2002-08-28 | Electric machine with brush holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1650488A CN1650488A (en) | 2005-08-03 |
| CN100342599C true CN100342599C (en) | 2007-10-10 |
Family
ID=31197447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038096811A Expired - Fee Related CN100342599C (en) | 2002-08-28 | 2003-03-11 | Electric machine with a brush carrier |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1537634A1 (en) |
| CN (1) | CN100342599C (en) |
| DE (1) | DE10239433A1 (en) |
| WO (1) | WO2004021522A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915742A (en) * | 2013-01-08 | 2014-07-09 | 罗伯特·博世有限公司 | Brush carrier for electromotor, manufacturing method of brush carrier, and electromotor |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649294A (en) * | 2011-02-28 | 2012-08-29 | 江海青 | New stone cutting machine device free from contact coil spring |
| JP6303093B2 (en) * | 2014-03-25 | 2018-04-04 | 多摩川精機株式会社 | Manufacturing method of connector for servo motor with integrated angle type connector for in-vehicle use |
| FR3079365B1 (en) * | 2018-03-23 | 2020-09-04 | Valeo Equip Electr Moteur | THERMAL ENGINE STARTER BRUSH HOLDER EQUIPPED WITH MODIFIED SHAPED BRUSH CAGES |
| DE102019100729B4 (en) | 2019-01-14 | 2022-09-29 | Bayerische Motoren Werke Aktiengesellschaft | Passively cooled brush module for a slip ring system of a current-excited electrical machine, electrical machine and motor vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2695968A (en) * | 1950-11-09 | 1954-11-30 | Eastern Metals Res Co Inc | Commutator with constant tension spring |
| GB2191346A (en) * | 1986-06-06 | 1987-12-09 | Johnson Electric Ind Mfg | Insulating metallic brush cages for electric motors |
| CN2096490U (en) * | 1991-07-12 | 1992-02-19 | 浙江省余姚市电工电器厂 | Controlling switch for vehicle |
| CN1291371A (en) * | 1998-12-17 | 2001-04-11 | 罗伯特·博施有限公司 | Motor with driving device for automobile part |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4412319A1 (en) * | 1994-04-11 | 1995-10-12 | Teves Gmbh Alfred | Power supply arrangement for an electric motor with four brushes |
| DE4444645A1 (en) * | 1994-12-15 | 1996-06-20 | Teves Gmbh Alfred | Brush support plate |
-
2002
- 2002-08-28 DE DE2002139433 patent/DE10239433A1/en not_active Withdrawn
-
2003
- 2003-03-11 EP EP03729809A patent/EP1537634A1/en not_active Withdrawn
- 2003-03-11 CN CNB038096811A patent/CN100342599C/en not_active Expired - Fee Related
- 2003-03-11 WO PCT/DE2003/000766 patent/WO2004021522A1/en not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2695968A (en) * | 1950-11-09 | 1954-11-30 | Eastern Metals Res Co Inc | Commutator with constant tension spring |
| GB2191346A (en) * | 1986-06-06 | 1987-12-09 | Johnson Electric Ind Mfg | Insulating metallic brush cages for electric motors |
| CN2096490U (en) * | 1991-07-12 | 1992-02-19 | 浙江省余姚市电工电器厂 | Controlling switch for vehicle |
| CN1291371A (en) * | 1998-12-17 | 2001-04-11 | 罗伯特·博施有限公司 | Motor with driving device for automobile part |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915742A (en) * | 2013-01-08 | 2014-07-09 | 罗伯特·博世有限公司 | Brush carrier for electromotor, manufacturing method of brush carrier, and electromotor |
| CN103915742B (en) * | 2013-01-08 | 2018-04-13 | 罗伯特·博世有限公司 | Manufacture and motor for the brush carrier, brush carrier of motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1650488A (en) | 2005-08-03 |
| DE10239433A1 (en) | 2004-03-04 |
| WO2004021522A1 (en) | 2004-03-11 |
| EP1537634A1 (en) | 2005-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20100311 |