EP3841641A1 - Schleifringübertrager - Google Patents
SchleifringübertragerInfo
- Publication number
- EP3841641A1 EP3841641A1 EP19768701.5A EP19768701A EP3841641A1 EP 3841641 A1 EP3841641 A1 EP 3841641A1 EP 19768701 A EP19768701 A EP 19768701A EP 3841641 A1 EP3841641 A1 EP 3841641A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- slip ring
- brush
- cleaning
- contact
- cleaning brush
- 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
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
- H01R39/56—Devices for lubricating or polishing slip-rings or commutators during operation of the collector
-
- 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
- H01R43/002—Maintenance of line connectors, e.g. cleaning
-
- 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
- H01R43/14—Maintenance of current collectors, e.g. reshaping of brushes, cleaning of commutators
Definitions
- the invention relates to a slip ring transmitter according to the features in the preamble of claim 1.
- Slip ring transmitters are electromechanical components with the aid of which energy, data and / or control signals are transferred from a rotating to a fixed component or vice versa. They are used in applications that, due to their rotary motion, do not allow energy and data to be supplied via a fixed line.
- a slip ring transmitter of the usual type has a slip ring carrier and at least one slip ring arranged on the slip ring carrier and a contact module with contact elements, in particular contact springs.
- a contact module is also called a brush block from a technical point of view.
- the slip rings and contact elements are an integral part of the designs.
- the contact elements contact a sliding path of the slip ring and together with this form a sliding contact. Due to the relative movement between the components, slight abrasion occurs continuously during operation. In order to keep the abrasion as low as possible, the running partners are wetted with oil. Despite this lubrication, the abrasion cannot be avoided.
- the abrasion combines with the oil and adheres to the components, especially the grinding track. This pollution is not only detrimental to the transmission of energy and data, but can also lead to a fault in the insulation, with the result of operational interruptions.
- DE 298 07 515 U1 proposes a rotating cleaning device for the continuous cleaning or keeping clean of contact-grinding devices.
- the device has a cleaning roller formed from cleaning rings, which is pressed against the sliding track.
- the cleaning roller moves at low speed, with existing dirt being embedded in the spaces between the cleaning channel.
- the invention is based on the object of creating a slip ring transmitter with a functionally and operationally improved cleaning device.
- a slip ring transmitter has a slip ring carrier and at least one slip ring arranged on the slip ring carrier and a contact module with contact elements.
- the contact elements are in particular Contact springs. However, other contact elements, for example carbon brushes, can also be used as contact elements.
- the contact elements contact a slip path of the slip ring.
- a cleaning device is provided for cleaning the grinding track.
- the cleaning device has a cleaning brush with a brush set that contacts the sliding track.
- the cleaning brush absorbs the abrasion and ensures a thin, even oil film on the grinding track. In this way, impairments due to abrasion or contamination can be avoided. In particular, very good energy and / or data transmission between the slip ring or slide track and the contact elements is ensured.
- the cleaning brush has a base body which has a back web and a brush holder.
- the cleaning brush is attached to the back plate and connecting elements on a carrier plate of the contact module.
- the cleaning brush preferably extends across the width of the carrier board.
- the brush holder protrudes transversely to the back web, in particular at right angles in the direction of the sliding track. This enables a compact design of the cleaning brush with an efficient cleaning of the grinding track via the brush set.
- the brush trim is preferably formed from fibers, bristles or wires made of electrically non-conductive material.
- the brush set can consist of different materials.
- a brush with fibers made of polyamide is considered to be particularly advantageous.
- the cleaning brush is installed using lanyards.
- This can be a form-fitting and / or non-positive connection means.
- One type of connecting means can be clips, which can be snapped into conformally designed openings or counterholders.
- a screw fixing of the cleaning brush in the system is also possible, in particular on the carrier board of the contact module.
- connection means can be screw connection elements, for example screws and threaded bores or nuts.
- Locking connecting means which connect the cleaning brush to the carrier board via the abutment piece, are also advantageously possible.
- Such an abutment piece advantageously has a receptacle adapted to the width and the thickness of the carrier board.
- the abutment piece can be placed on the side of the carrier plate opposite the cleaning brush and thereby encloses the carrier plate with the receptacle.
- connecting means for example threaded bores or assembly openings, are provided for carrying out or receiving screw connecting means.
- FIG. 1 shows a slip ring transmitter according to the invention in a perspective representation
- Figure 2 is also a perspective view of a contact module with mounted cleaning device;
- Figure 3 shows a first embodiment of a cleaning brush and
- Figure 4 shows a second embodiment of a cleaning brush.
- FIG. 1 shows a section of a system with a slip ring transmitter 1 installed there.
- the slip ring transmitter 1 comprises a stationary machine part (stator) 2 and a rotating shaft (rotor) 3 on which a slip ring carrier 4 and slip rings 5 are arranged.
- Contact modules 7 are mounted on support arms 6 of the stator 2.
- the contact modules 7 have contact elements in the form of contact springs 8.
- the contact elements are in sliding contact with sliding tracks 9 of the slip rings 5.
- electrical currents or energy and data are transmitted from the stationary machine part 2 to the shaft 3 or in the opposite direction.
- a cleaning device 10 is provided for cleaning the grinding tracks 9. Only one cleaning device 10 is shown in FIG. It goes without saying that each contact module 7 can be equipped with a cleaning device 10.
- a contact module 7 with a mounted cleaning device 10 can be seen in more detail in FIG.
- the cleaning device 10 is incorporated between the contact springs 8.
- the contact module 7 has a carrier board 11 and is equipped with conductor tracks 12 which are electrically conductively connected to the contact springs 8 mounted on the carrier board 11.
- the conductor tracks 12 lead to a plug contact 13, via which an electrical connection can be made.
- Reinforced contact areas 14 are formed on the free ends of the contact springs 8, with which the contact springs 8 contact the sliding tracks 9 of the slip rings 5.
- a cleaning device 10 has a cleaning brush 15 with a brush set 16.
- the cleaning brush 15 contacts one or more grinding tracks 6 with the brush trim 16.
- the brush trim 16 consists of fibers 17 made of polyamide.
- FIGS. 3 and 4 Two configurations of a cleaning brush 15 are shown in FIGS. 3 and 4.
- Each cleaning brush 15 has a base body 18 which has a back web 19 and a brush holder 20.
- the cleaning brush 15 is fixed under the carrier board 11 of a contact module 7 on the carrier board 11 via the back web 19 and connecting elements 21.
- the cleaning brushes 15 in the representations of FIGS. 3 and 4 differ in the type of fixing.
- 19 mounting openings 22 are provided in the back web for the passage of screw connection means.
- the cleaning brush 15 according to the illustration in FIG. 4 has spring clip elements 23 with flake projections 24 projecting from the back web 19.
- the brush holder 20 protrudes transversely to the back web 19 at right angles to it in the direction of the sliding track 9.
- the fibers 17 of the brush trimmings 16 are in one row, that is to say in a row. However, it is also possible to provide several rows of fibers 17 in the brush trim 16.
- the cleaning device 10 is fixed in the embodiment according to the illustration in FIG. 2 by means of a yoke-like abutment piece 25 on the carrier board 11 of the contact module 7.
- the abutment piece 25 extends beyond the long sides 26 of the support plate 11.
- the abutment piece 25 is clamped to the cleaning brush 15 via the back web 19 via connecting elements 21 in the form of screws.
- the connecting elements 21 in the form of screws are inserted through openings in the abutment piece 25 into the mounting opening 22 in the back web 19.
- the abutment piece 25 has a receptacle 28 which is adapted to the width and the thickness of the carrier plate 11. In this way, the abutment piece 25 can overlap the carrier board 11 in the region of the conductor tracks 12 and can be clamped with the cleaning brush 15.
- the cleaning brush 15 absorbs any abrasion in the area of the slideways 9 via the brush stock 16 with the fibers 17 contacting the slideways 9 and ensures a distribution of applied oil, so that a thin, uniform oil film is ensured on the sliding track or tracks 9.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cleaning In General (AREA)
- Motor Or Generator Current Collectors (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Friction Gearing (AREA)
- Burglar Alarm Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018120326.8A DE102018120326B3 (de) | 2018-08-21 | 2018-08-21 | Schleifringübertrager |
| PCT/DE2019/100751 WO2020038530A1 (de) | 2018-08-21 | 2019-08-20 | Schleifringübertrager |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3841641A1 true EP3841641A1 (de) | 2021-06-30 |
| EP3841641B1 EP3841641B1 (de) | 2022-06-22 |
Family
ID=67953505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19768701.5A Active EP3841641B1 (de) | 2018-08-21 | 2019-08-20 | Schleifringübertrager |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11611184B2 (de) |
| EP (1) | EP3841641B1 (de) |
| CN (1) | CN112534658B (de) |
| DE (1) | DE102018120326B3 (de) |
| ES (1) | ES2924627T3 (de) |
| WO (1) | WO2020038530A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019217864B3 (de) * | 2019-11-20 | 2020-12-03 | Zf Friedrichshafen Ag | Wellenerdungsvorrichtung einer Welle eines Antriebsstrangs eines Kraftfahrzeugs |
| CN113783058B (zh) * | 2021-10-29 | 2025-02-07 | 九江精密测试技术研究所 | 一种免拆装的自清洁滑环 |
| DE102023121927B3 (de) | 2023-08-16 | 2025-01-30 | Audi Aktiengesellschaft | Nasslaufendes Bürsten-Schleifring-System, Elektromotor mit einem Bürsten-Schleifring-System und Fahrzeug mit einem derartigen Elektromotor |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2439114A (en) * | 1943-09-16 | 1948-04-06 | First Ind Corp | Electrical apparatus collector conditioning |
| US5416572A (en) * | 1994-01-03 | 1995-05-16 | Xerox Corporation | Cleaning apparatus for an electrophotographic printing machine |
| DE29807515U1 (de) | 1998-04-25 | 1998-07-09 | Mamerow, Bernd, 22339 Hamburg | Rotierende Reinigungsvorrichtung zur kontinuierlichen Reinigung bzw. Reinhaltung kontaktabgreifender Schleifringeinrichtungen |
| WO2000078216A1 (en) * | 1999-06-22 | 2000-12-28 | Koninklijke Philips Electronics N.V. | Method of and device for cleaning a slip ring |
| DE10215214A1 (de) | 2002-04-06 | 2003-10-16 | Thomas Lasmann | Vorrichtung zur Reinigung von Kollektoren für Elektromotoren |
| CN104218419B (zh) * | 2013-05-29 | 2017-09-22 | 中航光电科技股份有限公司 | 接触簧片以及使用该接触簧片的电刷接触件 |
| CN105594104B (zh) * | 2013-10-15 | 2018-03-09 | 株式会社安川电机 | 旋转电机 |
| US9991661B2 (en) * | 2015-09-30 | 2018-06-05 | General Electric Company | Cleaning system for slip ring of medical imaging apparatus |
| CN206401690U (zh) * | 2017-01-20 | 2017-08-11 | 湖南衡岳中药饮片有限公司 | 一种用于中药饮片烘干设备的碳刷座 |
-
2018
- 2018-08-21 DE DE102018120326.8A patent/DE102018120326B3/de not_active Expired - Fee Related
-
2019
- 2019-08-20 CN CN201980052280.1A patent/CN112534658B/zh active Active
- 2019-08-20 WO PCT/DE2019/100751 patent/WO2020038530A1/de not_active Ceased
- 2019-08-20 US US17/269,864 patent/US11611184B2/en active Active
- 2019-08-20 ES ES19768701T patent/ES2924627T3/es active Active
- 2019-08-20 EP EP19768701.5A patent/EP3841641B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20210242646A1 (en) | 2021-08-05 |
| US11611184B2 (en) | 2023-03-21 |
| ES2924627T3 (es) | 2022-10-10 |
| EP3841641B1 (de) | 2022-06-22 |
| DE102018120326B3 (de) | 2019-12-19 |
| CN112534658B (zh) | 2021-10-22 |
| WO2020038530A1 (de) | 2020-02-27 |
| CN112534658A (zh) | 2021-03-19 |
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