EP1320155A2 - Schleifringübertrager - Google Patents
Schleifringübertrager Download PDFInfo
- Publication number
- EP1320155A2 EP1320155A2 EP02027223A EP02027223A EP1320155A2 EP 1320155 A2 EP1320155 A2 EP 1320155A2 EP 02027223 A EP02027223 A EP 02027223A EP 02027223 A EP02027223 A EP 02027223A EP 1320155 A2 EP1320155 A2 EP 1320155A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- rings
- insulating
- inner ring
- outer ring
- 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.)
- Granted
Links
Images
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
- H01R39/08—Slip-rings
- H01R39/085—Slip-rings the slip-rings being made of carbon
-
- 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
- H01R39/14—Fastenings of commutators or slip-rings to shafts
- H01R39/16—Fastenings of commutators or slip-rings to shafts by means of moulded or cast material applied during or after assembly
-
- 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
- H01R39/64—Devices for uninterrupted current collection
Definitions
- the invention relates to a slip ring transmitter for the transmission of electrical Currents and / or signals between a stator and a rotor.
- slip ring transmitters of larger diameter it is known, the so-called Use coal / coal technology. This is the case with larger ones, for example Generators the case. To do this in the circumferentially closed
- the slip rings must be able to define slip rings for electrical contacts have large wall thicknesses, so that threads are sufficiently large can be accommodated.
- the object of the invention is based on the prior art to create a slip ring transmitter that works even with a small Diameter in the coal / coal technology is economically producible and can be operated.
- an inner ring closed on the circumference is now made from one Non-ferrous metal, especially brass, in an insulating compound as a component embedded in a rotor.
- the insulating compound can, for example Be epoxy resin.
- the inner ring is assigned to the rotor electrical connection electrically contacted and from here with an end Cable gland connected.
- a circumferentially closed one also extends Graphite outer ring.
- This outer ring is laterally through Insulating materials fixed that it is perfectly concentric with the inner ring is centered.
- a gap is formed, which the different when exposed to heat Expansion coefficients of e.g. Takes account of brass and graphite.
- the temperature range between the ambient temperature is up to the maximum permissible operating temperature.
- the contact blades can e.g. made from a copper-beryllium alloy and then be thermally treated.
- the invention is associated with the particular advantage that the outer ring made of graphite not only small in wall thickness, but also small in diameter can be held. In this way it is possible to be compact Slip ring transmitters with outer diameters of 200mm and smaller ready to provide, in addition to signals, especially measurement signals, also electrical Currents up to about 50 amps can be transmitted.
- the invention ensures that now speeds up can be reached at about 60 m / s.
- the sliding contact with only one comparatively small force must be pressed against the outer ring to ensure proper signal and / or power transmission.
- On low contact pressure leads to significantly less wear and tear ultimately to a longer service life of a slip ring transmitter.
- the abrasion is very low, so that inside the slip ring In principle, no pollution can occur and therefore no pollution electrical caused by abrasion-related contamination Short circuits can occur.
- the contact lamellae are defined in the circumferential groove by clamping over bars located on the side of the crown.
- the measure of claim 4 also contributes to the fact that a perfect power and signal transmission can be guaranteed, without the need for high contact pressure of the sliding contact on the outer ring would.
- a particularly advantageous embodiment of the invention is in the Features of claim 5 sees.
- Such an embodiment usually has several inner rings coaxially associated with each other and outer rings and sliding contacts assigned to the outer rings.
- the inner rings are in an insulating compound in the form of an insulating bush cast.
- the outer rings are insulated in the form of Isolation rings spaced apart.
- the Swivel arms point in opposite directions.
- To an axial to realize compact design are those assigned to each outer ring Swivel arms to the adjacent outer ring in the circumferential direction staggered. A mutual disruptive influence is on this Avoided way.
- Each inner ring is via electrical connection lines embedded in the insulating bush to a contact connection at one end of the insulating bush guided. Lines then lead from this contact connection to one front cable gland on the rotor.
- the insulating sleeve is on one Hollow shaft of the rotor is fixed by gluing. This is preferably done only on the ends of the insulating bush.
- a length section of the hollow shaft which can be made of steel or another material, approximately middle length range of the insulating bush on the circumference with a smaller one Diameter.
- the outer rings and the insulating rings are one End of the insulating bushing one after the other on the inner rings or Insulated sleeve pushed.
- the insulating bush has one at one end collar on the circumference. At the other end, a disc is against the last insulating ring clamped, so that then all outer rings and insulating rings are securely fixed in position.
- the hollow shaft can be in via end bearings Front walls of the stator be mounted.
- the swivel arms assigned to each outer ring are each attached to a holder hinged.
- This bracket is on a parallel to the axis of rotation of the rotor extending, fixed in the stator support rod by clamping established.
- the support rod can, for example, in the end walls of the Stator.
- the successive brackets are through the spacer sleeves surrounding the support rod are positioned.
- FIGS. 1 to 3 is a slip ring transmitter for the transmission of referred to electrical currents and / or signals.
- the slip ring transmitter 1 has a hollow shaft 2 made of steel as a component of a rotor 3. Rolling bearings 4, 5 are provided at the end of the hollow shaft 2, which are inserted into end walls 6, 7 of a stator 8. girth the end walls 6, 7, a cylindrical jacket 9 is fastened by screws 10.
- an insulating compound up to the stop on a collar 11, in particular epoxy resin, pushed in the form of an insulating bush 12 and attached by gluing.
- the gluing takes place only at the ends of the Insulating bushing 12.
- the insulating bushing is in the approximate middle length range 12 provide the hollow shaft 2 with a circumferential recess 13.
- a total of nine inner rings 14 are made on the circumference of the insulating bushing 12 Cast in brass.
- the inner rings 14 have the same outer diameter as the insulating bush 12 on.
- An outer ring 15 is located on the circumference of each inner ring 14 Graphite. Between the outer surface 16 of the inner ring 14 and the inner surface 17 of the outer ring 15, a gap 18 is present, the different coefficients of thermal expansion of the materials of the inner ring 14 and the outer ring 15 are taken into account.
- the orientation each outer ring 15 is made via lateral insulating materials, in particular Epoxy resin, in the form of insulating rings 19.
- the outer diameter of the insulating rings 19 is smaller than the outer diameter of the outer rings 15.
- the inner rings 14 have circumferential grooves introduced into their outer surface 16 20.
- the areas 21 of the outer surfaces 16 next to the Circumferential grooves 20 are gold-plated.
- contact blades 22 used in the circumferential grooves 20 are, like the figure 3 reveals in more detail, contact blades 22 used.
- These contact blades 22 have lateral webs 23 and a central crowning 24.
- the crowns 24 are permanently on the inside Surfaces 17 of the outer rings 15. Because of this design, everyone Gap size between the inner rings 14 and the outer rings 15 a contact the inner rings 14 with the outer rings 15 via the contact plates 22 ensured.
- Each inner ring 14 is in a manner not shown with a contact connection 28 connected in the radial collar 27 of the insulating sleeve 12. About this Contact connection 28 then makes an electrical connection to one provided on the face of the hollow shaft 2 cable gland 29.
- Support rods 30 releasably set.
- the support rods 30 extend parallel to the axis of rotation 45 of the rotor 3.
- Brackets 31 threaded and clamped.
- the axial distance of the Mounts 31 is fixed by sleeves 32 surrounding the support rods 30.
- the end sliding contacts 34 made of graphite wear.
- the sliding contacts 34 are by tension springs 35 against the outer Surface 36 of the outer rings 15 pressed.
- roller bearing 4 designed as a floating bearing is in the by a snap ring 38 End wall 6 set. It also lies against an inner ring collar 39 the end wall 6.
- the other roller bearing 5 is on the one hand as a fixed bearing a snap ring 40 and an annular collar 41 on the hollow shaft 2 and on the other via a fixed by screws 42 on the end wall 7 Cover 43 and an annular collar 44 fixed to the end wall 7.
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Motor Or Generator Current Collectors (AREA)
- Friction Gearing (AREA)
- Burglar Alarm Systems (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Motor Or Generator Frames (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
Description
- Figur 1
- in der Stirnansicht einen Schleifringübertrager;
- Figur 2
- einen vertikalen Längsschnitt durch die Darstellung der Figur 1 entlang der Linie II-II in Richtung der Pfeile lla gesehen und
- Figur 3
- in vergrößerter Darstellung den Ausschnitt III der Figur 2.
- 1 -
- Schleifringübertrager
- 2 -
- Hohlwelle
- 3 -
- Rotor
- 4 -
- Wälzlager
- 5 -
- Wälzlager
- 6 -
- Stirnwand v. 8
- 7 -
- Stirnwand v. 8
- 8 -
- Stator
- 9 -
- Mantel v. 8
- 10 -
- Schrauben f. 9
- 11 -
- Kragen an 2
- 12 -
- Isolierbuchse
- 13 -
- Ausdrehung an 2
- 14-
- Innenringe
- 15-
- Außenringe
- 16 -
- äußere Oberfläche v. 14
- 17 -
- innere Oberfläche v. 15
- 18 -
- Spalt zw. 16 u. 17
- 19 -
- Isolierringe
- 20 -
- Umfangsnuten in 16
- 21 -
- Bereiche neben 20
- 22 -
- Kontaktlamellen
- 23 -
- Stege v. 22
- 24 -
- Bombierung v. 22
- 25 -
- Schrauben f. 26
- 26 -
- Scheibe
- 27 -
- Radialkragen an 12
- 28 -
- Kontaktanschluss
- 29 -
- Kabelverschraubung
- 30 -
- Tragstangen
- 31 -
- Halterungen auf 30
- 32 -
- Hülsen auf 30
- 33 -
- Schwenkarme
- 34 -
- Schleifkontakte
- 35 -
- Zugfedern an 33
- 36 -
- äußere Oberfläche v. 15
- 37 -
- Kabelverschraubung
- 38 -
- Sprengring f. 4
- 39 -
- Ringkragen an 6
- 40 -
- Sprengring f. 5
- 41 -
- Ringkragen an 2
- 42 -
- Schrauben f. 43
- 43 -
- Deckel an 7
- 44 -
- Ringkragen an 7
- 45 -
- Drehachse v. 3
Claims (7)
- Schleifringübertrager, der mindestens einen in eine Isoliermasse (12) als Bestandteil eines Rotors (3) eingebetteten Innenring (14) aus einem Nichteisenmetall und einen den Innenring (14) unter Ausbildung eines Spalts (18) mit radialem Abstand umgebenden Außenring (15) aus Graphit aufweist, der durch seitliche Isoliermassen (19) zum Innenring (14) konzentrisch zentriert und mit dem Innenring (14) durch den Spalt (18) überbrückende metallische Kontaktlamellen (22) elektrisch gekoppelt ist, wobei an den Außenring (15) mindestens ein aus Graphit bestehender Schleifkontakt (34) als Bestandteil eines Stators (8) angedrückt ist.
- Schleifringübertrager nach Patentanspruch 1, bei welchem die Kontaktlamellen (22) in einer Umfangsnute (20) in der äußeren Oberfläche (16) des Innenrings (14) lagefixiert und unter Überbrückung des Spalts (18) zwischen Innenring (14) und Außenring (15) gegen die innere Oberfläche (17) des Außenrings (15) federnd angedrückt sind.
- Schleifringübertrager nach Patentanspruch 1 oder 2, bei welchem die neben den Kontaktlamellen (22) liegenden Bereiche (21) der äußeren Oberfläche (16) des Innenrings (14) vergoldet sind.
- Schleifringübertrager nach einem der Patentansprüche 1 bis 3, bei welchem der Schleifkontakt (34) federnd an die äußere Oberfläche (36) des Außenrings (15) gedrückt ist.
- Schleifringübertrager nach einem der Patentansprüche 1 bis 4, der mindestens zwei jeweils koaxial einander zugeordnete Innenringe (14) und Außenringe (15) sowie den Außenringen (15) zugeordnete Schleifkontakte (34) aufweist, bei welchem die Innenringe (14) mit axialem Abstand zueinander in eine Isoliermasse (12) in Form einer Isolierbuchse eingegossen, die Außenringe (15) durch Isoliermassen (19) in Form von Isolierringen zueinander distanziert und die Schleifkontakte (34) in paarweiser Zuordnung an jeden Außenring (15) gedrückt sind, wobei die Schleifkontakte (34) an den Enden von in entgegengesetzte Richtungen weisenden Schwenkarmen (33) vorgesehen und die einem Außenring (15) zugeordneten Schwenkarme (33) zu den Schwenkarmen (33) des benachbarten Außenrings (15) umfangsseitig versetzt sind.
- Schleifringübertrager nach Patentanspruch 5, bei welchem die Isolierbuchse (12) auf einer Hohlwelle (2) durch Klebung festgelegt ist und die Außenringe (15) sowie die Isolierringe (19) axial auf die Innenringe (14) bzw. die Isolierbuchse (12) geschoben und an der Isolierbuchse (12) lagefixiert sind.
- Schleifringübertrager nach Patentanspruch 5 oder 6, bei welchem die einem Außenring (15) zugeordneten Schwenkarme (33) an eine Halterung (31) angelenkt sind, die auf einer sich parallel zur Drehachse (45) des Rotors (3) erstreckenden, im Stator (8) fixierten Tragstange (30) durch Klemmung festgelegt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10161740A DE10161740B4 (de) | 2001-12-15 | 2001-12-15 | Schleifringübertrager |
DE10161740 | 2001-12-15 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1320155A2 true EP1320155A2 (de) | 2003-06-18 |
EP1320155A3 EP1320155A3 (de) | 2006-03-29 |
EP1320155B1 EP1320155B1 (de) | 2007-08-15 |
Family
ID=7709393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02027223A Expired - Lifetime EP1320155B1 (de) | 2001-12-15 | 2002-12-06 | Schleifringübertrager |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1320155B1 (de) |
AT (1) | ATE370535T1 (de) |
DE (2) | DE10161740B4 (de) |
DK (1) | DK1320155T3 (de) |
ES (1) | ES2290235T3 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1524737A1 (de) * | 2003-10-17 | 2005-04-20 | Rigaku Corporation | Stromdrehkollektor und Drehanoden-Röntgenröhre |
CN107978944A (zh) * | 2017-12-29 | 2018-05-01 | 扬州海通电子科技有限公司 | 一种大型滑环组的同步转动装置 |
EP3683902A1 (de) | 2019-01-17 | 2020-07-22 | Schleifring GmbH | Einrastbarer schleifringmodul |
CN113422271A (zh) * | 2021-07-28 | 2021-09-21 | 中国兵器装备集团上海电控研究所 | 一种用立体电路设计的滑环芯轴及其制造方法 |
CN116799584A (zh) * | 2023-05-18 | 2023-09-22 | 广东明阳电气股份有限公司 | 滑环总成及旋转输送电设备 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009040106A1 (de) * | 2009-09-04 | 2011-03-10 | Schunk Kohlenstofftechnik Gmbh | Schleifringvorrichtung |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH215756A (de) * | 1940-07-31 | 1941-07-15 | Bbc Brown Boveri & Cie | Schleifring für elektrische Maschinen. |
FR1063144A (fr) * | 1952-06-06 | 1954-04-29 | Conradty Fa C | Bague collectrice en charbon à conductance améliorée |
US3636394A (en) * | 1970-05-18 | 1972-01-18 | Suhl Elektrogeraete Veb K | Elastic contacts for carbon collector rings having insulating bodies in electric motors |
GB1526401A (en) * | 1975-10-28 | 1978-09-27 | Mcgeoch & Co Ltd W | Slip-ring assembly |
US20010033117A1 (en) * | 2000-02-25 | 2001-10-25 | Wolfgang Vesper | Slip-ring configuration in electric motors and generators, slip-ring body and method for retooling slip-ring bodies |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA741589B (en) * | 1974-03-12 | 1975-07-30 | Rilectric Motor Spares Ltd | Slipring assembly |
DD248909A1 (de) * | 1986-03-03 | 1987-08-19 | Dessau Elektromotorenwerk | Schleifringkoerper mit kohlegleitring, insbesondere fuer hohe spezifische belastungen |
-
2001
- 2001-12-15 DE DE10161740A patent/DE10161740B4/de not_active Expired - Fee Related
-
2002
- 2002-12-06 AT AT02027223T patent/ATE370535T1/de active
- 2002-12-06 DE DE50210692T patent/DE50210692D1/de not_active Expired - Lifetime
- 2002-12-06 DK DK02027223T patent/DK1320155T3/da active
- 2002-12-06 EP EP02027223A patent/EP1320155B1/de not_active Expired - Lifetime
- 2002-12-06 ES ES02027223T patent/ES2290235T3/es not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH215756A (de) * | 1940-07-31 | 1941-07-15 | Bbc Brown Boveri & Cie | Schleifring für elektrische Maschinen. |
FR1063144A (fr) * | 1952-06-06 | 1954-04-29 | Conradty Fa C | Bague collectrice en charbon à conductance améliorée |
US3636394A (en) * | 1970-05-18 | 1972-01-18 | Suhl Elektrogeraete Veb K | Elastic contacts for carbon collector rings having insulating bodies in electric motors |
GB1526401A (en) * | 1975-10-28 | 1978-09-27 | Mcgeoch & Co Ltd W | Slip-ring assembly |
US20010033117A1 (en) * | 2000-02-25 | 2001-10-25 | Wolfgang Vesper | Slip-ring configuration in electric motors and generators, slip-ring body and method for retooling slip-ring bodies |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1524737A1 (de) * | 2003-10-17 | 2005-04-20 | Rigaku Corporation | Stromdrehkollektor und Drehanoden-Röntgenröhre |
US7005774B2 (en) | 2003-10-17 | 2006-02-28 | Rigaku Corporation | Rotary current-collecting device and rotating anode X-ray tube |
CN107978944A (zh) * | 2017-12-29 | 2018-05-01 | 扬州海通电子科技有限公司 | 一种大型滑环组的同步转动装置 |
CN107978944B (zh) * | 2017-12-29 | 2024-06-07 | 扬州海通电子科技有限公司 | 一种大型滑环组的同步转动装置 |
EP3683902A1 (de) | 2019-01-17 | 2020-07-22 | Schleifring GmbH | Einrastbarer schleifringmodul |
WO2020148221A1 (en) | 2019-01-17 | 2020-07-23 | Schleifring Gmbh | Snap-in slipring module |
CN113422271A (zh) * | 2021-07-28 | 2021-09-21 | 中国兵器装备集团上海电控研究所 | 一种用立体电路设计的滑环芯轴及其制造方法 |
WO2023005187A1 (zh) * | 2021-07-28 | 2023-02-02 | 中国兵器装备集团上海电控研究所 | 一种用立体电路设计的滑环芯轴及其制造方法 |
CN116799584A (zh) * | 2023-05-18 | 2023-09-22 | 广东明阳电气股份有限公司 | 滑环总成及旋转输送电设备 |
Also Published As
Publication number | Publication date |
---|---|
DE10161740A1 (de) | 2003-07-03 |
DE50210692D1 (de) | 2007-09-27 |
ATE370535T1 (de) | 2007-09-15 |
DK1320155T3 (da) | 2007-10-15 |
EP1320155B1 (de) | 2007-08-15 |
ES2290235T3 (es) | 2008-02-16 |
EP1320155A3 (de) | 2006-03-29 |
DE10161740B4 (de) | 2006-01-26 |
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