CN103715580A - Sliding contact device, motor and manufacture method for the same - Google Patents
Sliding contact device, motor and manufacture method for the same Download PDFInfo
- Publication number
- CN103715580A CN103715580A CN201310637159.XA CN201310637159A CN103715580A CN 103715580 A CN103715580 A CN 103715580A CN 201310637159 A CN201310637159 A CN 201310637159A CN 103715580 A CN103715580 A CN 103715580A
- Authority
- CN
- China
- Prior art keywords
- sliding contact
- contact device
- spine
- outer peripheral
- peripheral face
- 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.)
- Pending
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Classifications
-
- 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
- H01R39/04—Commutators
-
- 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
- H01R39/08—Slip-rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/06—Manufacture of commutators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/10—Manufacture of slip-rings
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
This invention discloses a sliding contact device, a motor and a manufacture method for the same, and particularly is used for a commutator or a sliding ring device (1). The sliding contact device comprises an annular contact device (5) forming an outer periphery surface (8) and at least one contact electric brush (6). One end surface of the at least one contact electric brush which tightly abut against the outer periphery. The outer periphery surface is provided with a surface structure part. This invention stipulates that the surface structure part (9) has a great quantity of ridge parts which are unevenly distributed on the surface structure part (9).
Description
Technical field
The present invention relates to a kind of sliding contact device for motor, particularly reverser assembly or slip-ring device, it comprises the annular contact devices/form with outer peripheral face, and comprise at least one contact brush, this at least one contact brush is resisted against on outer peripheral face with a distolateral maintenance pretension, wherein, described outer peripheral face is provided with surface configuration portion
In addition, the present invention relates to a kind of a kind of motor and method for the manufacture of this sliding contact device with corresponding sliding contact device.
Background technology
Sliding contact device, motor and corresponding manufacture method by the described type of beginning known in the state of the art.For example, DE573640A discloses a kind of sliding contact device for motor, and in this sliding contact device, commutator is provided with the groove of spiral extension, lasting its position that changes thereby the contact site between brush and commutator is in operation.Therefore should avoid the generation spark that is in operation, it can cause the wearing and tearing of sliding contact device to increase.
In addition, by the known a kind of reverser assembly for motor of EP0966072A1, in this reverser assembly, the outer peripheral face of commutator ring is configured as recessedly, and this outer peripheral face has uniform spine, and it causes the forced guiding at least one contact brush.This can be especially for reducing noise.
In addition,, by the known a kind of surface configuration portion for slip ring of DE2225187A1, it prevents between brush and slip ring or commutator, forming air cushion when the high rotating speed by fish-skin shape groove is set.The minimizing of air cushion is equally for avoiding spark.
Summary of the invention
The sliding contact device tool with claim 1 feature according to the present invention has the following advantages: the running that enters of sliding contact device is accelerated, king-sized contact-making surface is provided under the state that enters running, this contact-making surface plays a part positive to the current density in friction system and temperature, wherein reduced generally carbon brush abrasion.For this reason, the sliding contact device characteristic with claim 1 feature is, the spine that surface configuration portion comprises a large amount of uneven distributions and arranges and/or form.By the spine of this discontinuous spine structure inhomogeneous setting in other words, new state at sliding contact device is issued to high current density and the wearing and tearing of increase thus, wherein, two friction surfaces, be the end face on outer peripheral face that is pressed against of the outer peripheral face of annular contact devices and contact brush, work in coordination at short notice.By loss and the rubbing surface quick-fit each other of initial increase, realize the friction system that an optimization is provided at short notice, it seldom has spark and has the variations in temperature of having optimized.
Preferably, between adjacent spine, at least at the circumferencial direction of outer peripheral face, form respectively the recess of wedge shape or part circular.Thus, the recess between spine also has the identical height level identical degree of depth in other words discontinuously, can realize equally thus the quick-fit of rubbing surface.
Particularly preferably, at least several recesses have different profiles, and particularly have the different degree of depth.Especially, therefore the adjacent recesses of surface configuration portion is not same configuration, but has at least in part the different height levels degree of depth in other words, and has if desired different profiles, and wearing and tearing when this makes friction system enter running equally increase.
According to a kind of favourable improvement project of the present invention, described spine is constructed to point or mild.It is very sharp that described spine can become gradually, or also can construct widelyr, and correspondingly described spine can be configured at its peak point or flat, and rounding particularly, so that the wearing and tearing while increasing when starting or more particularly in the entry into service of sliding contact device.
Preferably, described spine has identical axial width at least substantially.This has reduced the cost when manufacturing surface configuration portion especially, because can use respectively identical instrument to manufacture spine or recess.
Particularly preferably, in the read fortune that makes progress in week, continue the spine of same widths is set, to be formed on the spine's groove extending on the whole circumference of outer peripheral face.Preferably form thus a plurality of axial components, that it has an arranged in succession and there is differently contoured, height or the spine of length looking up in week.See in the axial direction, preferably form a plurality of spines groove, it extends parallel to each other extending axially of annular contact devices.Particularly preferably be, between adjacent spine's groove, form continuous edge strip, described edge strip extends respectively on the whole circumference of contact devices.
According to a kind of favourable improvement project regulation of the present invention, contact devices can be configured to slip ring or have the commutator ring of a plurality of thin slices.The difference of commutator ring and slip ring is substantially, and it comprises the thin slice being separated from each other looking up in week, and as previously described, these thin slices form outer peripheral face jointly.Thin slice can extend parallel with the longitudinal axis of commutator ring or with it obliquely at this.
The motor with claim 8 feature is characterised in that and comprises sliding contact device as above.Stipulate especially, annular contact devices is assigned to armature spindle or the armature shaft of the axle being supported rotationally, particularly motor of motor, and described at least one brush is assigned to the shell of bolster.Especially, for each contact brush being arranged on shell arranges at least one brush carrier, this brush carrier is for example pushed each brush/press against on the outer peripheral face of annular contact devices, particularly slip ring or commutator ring by spring force.
The method for the manufacture of sliding contact device with claim 9 feature according to the present invention is characterised in that, surface configuration portion forms by the spine that introduces a plurality of uneven distributions and arrange and/or construct.Preferably, in outer peripheral face, mill out spine, or by jet technique, for example, by laser jet or water jet, or in outer peripheral face, introduce spine therefore by deformation technique, obtain described before advantage.
Accompanying drawing explanation
Present invention will be described in detail with reference to the accompanying hereinafter.Wherein:
Fig. 1 shows sliding contact device with simple cutaway view;
Fig. 2 shows the slip ring of sliding contact device with vertical view; And
Fig. 3 shows the schematic diagram of slip ring manufacture method.
Embodiment
Fig. 1 shows the sliding contact device 1 of motor 2 (not being shown specifically at this) with the cutaway view of simplifying.Motor 2 has axle 3, and this axle is for example for armature or the rotor of supporting motor 2.Slip ring 4 is non-rotatably arranged on axle 3 as annular contact devices 5.In addition, position is fixedly provided with contact brush 6, on be for example maintained in the shell of motor 2/this shell of this contact brush, and this contact brush keeps pretensions be resisted against on the outer peripheral face 8 of slip ring 4 or remain pressed against on the outer peripheral face 8 of slip ring 4 with an end face 7.
In order to obtain long useful life, particularly in order to avoid spark, as shown in FIG. 2, outer peripheral face 8 comprises surface configuration portion 9.Fig. 2 shows the vertical view of slip ring 4, and its surface configuration portion 9 comprises a large amount of uneven distributions and arrange the spine 10 with inhomogeneous structure.For clarity sake, herein only several spines 10 with Reference numeral.Spine 10 by inhomogeneous structure (this its height and its appearance aspect) be distinguished from each other.Equally, the recess 11 between spine 10 is difference to some extent also, only has equally several recesses here with Reference numeral.Recess 11 has respectively the section of part circular.
By recess 11 being set in the outer peripheral face 9 at slip ring 4, make spine 10.Recess 11 and then spine 10 have respectively identical width b at this, and the read fortune that makes progress in week continue (embark on journey ground) be distributed on circumference, thereby spine in succession 10 forms respectively Yi Ge spine groove 12.See that in the axial direction spine adjacent one another are 10 and recess 11 arrange spaced reciprocally or make, make the narrow edge strip 13 of the remaining original outer peripheral face 8 of difference between adjacent spine's groove 12.
Be in operation, edge strip 13 is substantially for preventing contact brush 6 and contact devices 5 or more particularly relative motion in the axial direction between slip ring 4.Uneven distribution ground arranges and the spine 10 of structure guarantees, in the new state that is configured to the sliding contact device 1 of slip-ring device 14 with regard to this respect, be issued to high current density and then the wearing and tearing of increase, to the end face 7 of outer peripheral face 8 and contact brush 6 is cooperatively interacted rapidly.The profile of the part circular by recess 11 has been realized the discontinuous height level of recess 11, thereby has also realized herein the quick-fit of rubbing surface.Alternatively, for example the Wedge-shape structures of recess 11 or profile also can be imagined.
Fig. 3 shows the possible production method for the manufacture of the surface configuration portion 9 on sliding contact device 1 and slip ring 4 with the diagram of simplifying.According to the embodiment of Fig. 3, surface configuration portion 9 makes by rotation milling campaign, and in this rotation milling campaign, not only annular contact devices 5 but also clamping tool 15 all rotate, for example, pass through shown in arrow 16 and 17.Thus, automatically produce the part circular profile of recess 11, make profile tip in other words spine 10 partly very sharp or narrow, be for example less than or equal to 10 μ m, or wider, be for example several mm wides.The rotary speed of the variation by contact devices 5 and/or instrument 15, guarantees inhomogeneous distribution and the structure of spine 10.According to the amount of feeding V of clamping tool 15
fmake successively each spine's groove 12.
Alternatively also contemplated that, spine 10 or recess 11 pass through deformation technique, for example compacting or roll extrusion, or manufacture by jet technique, the processing of for example laser jet or water jet machining.
By inhomogeneous distribution and the structure of spine 10, accelerate to make the friction system between contact brush 6 and slip ring 4 enter running, and make to expand at the contact-making surface entering under the state of running, reduced thus current density and temperature.The carbon brush abrasion that final generation reduces thus, the useful life of having improved sliding contact device 1 or motor 2.
Claims (9)
1. the sliding contact device (1) for motor (2), particularly reverser assembly or slip-ring device (1), described sliding contact device comprises the annular contact devices (5)/form with outer peripheral face (8), and comprise at least one contact brush (6), this at least one contact brush keeps pretension to be resisted against on described outer peripheral face (8) with an end face (7), wherein, described outer peripheral face (8) is provided with surface configuration portion (9), it is characterized in that the spine (10) that described surface configuration portion (9) has a large amount of uneven distributions and arranges and/or construct.
2. sliding contact device according to claim 1, is characterized in that, at least, the looking up in week of described outer peripheral face (8), is configured with respectively the recess (11) of wedge shape or part circular between adjacent spine (10).
3. according to the sliding contact device described in any one in the claims, it is characterized in that, at least several in described recess (11) have different profiles, and particularly have the different degree of depth.
4. according to the sliding contact device described in any one in the claims, it is characterized in that, described spine (10) is point or mild.
5. according to the sliding contact device described in any one in the claims, it is characterized in that, described spine (10) has identical axial width (b) at least substantially.
6. according to the sliding contact device described in any one in the claims, it is characterized in that, in week, look up, the spine (10) of same widths is one after the other set, to be formed on the spine's groove (12) extending on the whole circumference of described outer peripheral face (8).
7. according to the sliding contact device described in any one in the claims, it is characterized in that, described contact devices (5) is slip ring (4) or is the commutator ring with a plurality of thin slices.
8. a motor, especially for the motor of automobile, has the sliding contact device (1) as described in one or more in the claims.
9. the method for the manufacture of sliding contact device (1), especially for manufacturing according to the method for the sliding contact device (1) described in any one in claim 1 to 7, described sliding contact device (1) comprises the annular contact devices (5)/form with outer peripheral face (8), and comprise at least one contact brush (6), this at least one contact brush keeps pretension to be resisted against on described outer peripheral face (8) with an end face (7), wherein, described outer peripheral face (8) is provided with surface configuration portion (9), it is characterized in that, described surface configuration portion (9) forms by introducing the spine (10) of the ground setting of a large amount of uneven distributions and/or structure.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210218095 DE102012218095A1 (en) | 2012-10-04 | 2012-10-04 | Sliding contact device for electrical machine for motor car, has contact ring including external surface that is equipped with surface structure which is distributed and arranged with irregular grooves |
| DE102012218095.8 | 2012-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103715580A true CN103715580A (en) | 2014-04-09 |
Family
ID=50336942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310637159.XA Pending CN103715580A (en) | 2012-10-04 | 2013-09-29 | Sliding contact device, motor and manufacture method for the same |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103715580A (en) |
| DE (1) | DE102012218095A1 (en) |
| FR (1) | FR2996689A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106663908A (en) * | 2014-07-18 | 2017-05-10 | 罗伯特·博世有限公司 | Electric machine with special contact brush geometry |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016059105A2 (en) * | 2014-10-14 | 2016-04-21 | Schleifring Und Apparatebau Gmbh | Slip-ring with wear monitoring |
| CN110912345B (en) * | 2019-11-19 | 2021-11-09 | 辽宁红德电碳制品有限公司 | Electric brush for traction motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1495780A (en) * | 1923-04-16 | 1924-05-27 | Westinghouse Electric & Mfg Co | Current-collecting device |
| EP0966072A2 (en) * | 1998-06-17 | 1999-12-22 | Robert Bosch Gmbh | Commutator device for electrical machines |
| US20010024735A1 (en) * | 1996-04-05 | 2001-09-27 | University Of Virginia Patent Foundation | Continuous metal fiber brushes |
| US20020060506A1 (en) * | 1996-04-05 | 2002-05-23 | Doris Kuhlmann-Wilsdorf | Management of contact spots between an electrical brush and substrate |
| CN201515292U (en) * | 2009-08-20 | 2010-06-23 | 上海曼科电机制造有限公司 | Slip ring structure used in three-phase asynchronous motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE573640C (en) | 1930-04-25 | 1933-04-03 | Siemens Schuckertwerke Akt Ges | Current collecting device for electrical machines, especially commutators, with screwed-in helical grooves |
| DE2225187A1 (en) | 1972-05-24 | 1973-11-29 | Schunk & Ebe Gmbh | SLIP RING OR COMMUTATOR OF AN ELECTRIC MACHINE |
-
2012
- 2012-10-04 DE DE201210218095 patent/DE102012218095A1/en not_active Withdrawn
-
2013
- 2013-09-29 CN CN201310637159.XA patent/CN103715580A/en active Pending
- 2013-10-03 FR FR1359570A patent/FR2996689A1/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1495780A (en) * | 1923-04-16 | 1924-05-27 | Westinghouse Electric & Mfg Co | Current-collecting device |
| US20010024735A1 (en) * | 1996-04-05 | 2001-09-27 | University Of Virginia Patent Foundation | Continuous metal fiber brushes |
| US20020060506A1 (en) * | 1996-04-05 | 2002-05-23 | Doris Kuhlmann-Wilsdorf | Management of contact spots between an electrical brush and substrate |
| EP0966072A2 (en) * | 1998-06-17 | 1999-12-22 | Robert Bosch Gmbh | Commutator device for electrical machines |
| CN201515292U (en) * | 2009-08-20 | 2010-06-23 | 上海曼科电机制造有限公司 | Slip ring structure used in three-phase asynchronous motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106663908A (en) * | 2014-07-18 | 2017-05-10 | 罗伯特·博世有限公司 | Electric machine with special contact brush geometry |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2996689A1 (en) | 2014-04-11 |
| DE102012218095A1 (en) | 2014-04-10 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140409 |