EP0491904A1 - Plankollektor. - Google Patents
Plankollektor.Info
- Publication number
- EP0491904A1 EP0491904A1 EP91911932A EP91911932A EP0491904A1 EP 0491904 A1 EP0491904 A1 EP 0491904A1 EP 91911932 A EP91911932 A EP 91911932A EP 91911932 A EP91911932 A EP 91911932A EP 0491904 A1 EP0491904 A1 EP 0491904A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit board
- commutator
- plan
- collector according
- collector
- 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
- 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
- H01R43/08—Manufacture of commutators in which segments are not separated until 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
- H01R39/02—Details for dynamo electric machines
- H01R39/04—Commutators
- H01R39/06—Commutators other than with external cylindrical contact surface, e.g. flat commutators
Definitions
- the invention is based on a plan collector according to the preamble of the main claim.
- a plan collector which has a metallic support, the surface of which is provided with an insulating coating and on which the commutator bars are glued.
- This publication also shows that the commutator lamellae are formed from a shell, the shell containing radial slots which serve to separate the commutator lamellae from one another as soon as the full-walled area of the shell has been removed.
- the adhesive does not withstand the enormous thermal effects either. That is why the commutator lamellae are also provided with an inner and outer collar, which is intended to ensure that the centrifugal forces are absorbed and the adhesive surface is enlarged.
- the plan collector according to the invention with the characterizing features of the main claim has the advantage, in contrast, that the commutator plates maintain a stable connection with the insulating support, the board, in addition to the fastening function for the commutator sections, also serving to dissipate heat.
- Another advantage of the invention is that the two-part design of the collector for the running surface of the plane collector means an abrasion-resistant and lubricious material, such as e.g. Carbon can be used, which is firmly anchored by means of the circuit board in the insulating support. This also ensures that the plane collector can be used in electric motors to convey liquids with a relatively high electrical conductivity. The running surface of the plan collector is not attacked by the liquid acting as an electrolyte, so that the operational safety of the electric motor is fully maintained.
- the measures listed in the subclaims enable advantageous further developments and improvements of the plan collector specified in the main claim.
- the plan collector can be manufactured particularly cost-effectively in that the commutator lamellae are formed from a commutator disc having radial slots, the full-walled area of which is removed after being fastened to the circuit board. This makes it possible to assemble the entire flat collector provided with the commutator segments on the rotor shaft and then to weld the coil wires to the connections without the commutator segments becoming detached. In the known solutions, the slots have to be sawn into the plank collector, which is hardly possible without damaging the rotor axis. Another advantage is that the breakthroughs acting as a heat barrier provide an additional anchoring.
- Forming element for the circuit board in the electrically insulating support form and that the connections for the coil wires attached to the edge of the circuit board segments make it possible to directly connect the second electrode to the circuit board when welding the coil wires, which also serves the purpose of improving heat dissipation.
- FIG. 1 shows a sectional view through a plan collector according to the invention
- FIG. 2 shows a plan view of the plan collector before the removal of the full-walled area of a commutator disk
- FIG. 3 shows a sectional view along line III-III in FIG. 2.
- the plan collector shown in FIG. 1 has an electrically insulating support 10 made of plastic, in which a board 11 made of copper is anchored.
- the Ko ⁇ * - mutator fins 15 are attached to the circuit board 11.
- the commutator bars 15 are electrically insulated from one another by the radial slots 13. Covering the radial slots 13, the circuit board 11 also has radial slots 14 which separate the circuit board 11 into segments 11 'which are electrically insulated from one another.
- each segment 11 'of the circuit board 11 has a connection 17 for the coil wires of the rotor.
- the connections 17 according to FIG. 2 are attached to the edge of each segment 11 '.
- each segment 11 'of the circuit board 11 each has one or more hooks 20 which engage as an anchoring element in the electrically insulating carrier 10.
- each segment 11 'of the board 11 has openings 18 ( Figure 2 and Figure 3).
- the commutator bars 15 are formed from a commutator disk 12, as can also be seen in FIG. 3.
- the commutator disk 12 is provided on one end face with radial slots 13 which, as already explained, later form the electrical insulation of the commutator bars 15 from one another.
- the circuit board 11 is cast into the carrier 10 in an injection molding process in such a way that it forms an end face of the carrier 10. Then radial slots 14 are sawn into the circuit board 11, as in the usual commutator production.
- the radial slots must be designed such that the plate 11 is divided into segments 11 'which are electrically insulated from one another. It is important that the segmentation of the circuit board 11 is congruent to the commutator bars 15 of the commutator disk 12.
- the Kummutatorefficiency 12 consists of plastic-bonded graphite and is pressed as such.
- the end face of the commutator disk 12 provided with radial slots 13 is metallized and then provided with a solder. Then the commutator disk 12 is placed in a soldering device on the carrier provided with the segmented circuit board 11 in such a way that the segments 11 'of the circuit board 11 and the lamellae 15 come congruently with one another.
- the commutator disc 12 is soldered to the segments 11 'of the circuit board by means of the joining surface 19 provided with solder, so that the plane collector has the shape which is shown in FIG. 3 as a sectional illustration.
- the plan collector thus obtained is then mounted on the rotor, not shown in the drawing.
- the coil wires of the rotor are connected to the connections 17 of the segments 11 ' Board 11 welded.
- the rotor is then clamped in a processing machine, for example a lathe, and the full-walled area 16 of the commutator disc 12 is removed until the radial slots 13 are exposed.
- plan collector consists in that the insulating carrier 10 with the segmented circuit board 11 is mounted on the rotor and the coil wires of the rotor are welded to the connections 17. As already described, the commutator disk 12 is then soldered onto the circuit board 11 connected to the rotor. Thereafter, as already explained above, the full-walled area 16 of the commutator disk 12 is removed.
- connection 17 are each attached to the edge of the segments 11 'of the circuit board 11.
- the second welding electrode can also be connected directly to the circuit board 11, which serves the purpose of improving the heat dissipation.
- each of the segments 11 'of the circuit board 11 act as a thermal barrier when welding the coil wires in such a way that they prevent heat conduction over the entire segment of the circuit board 11.
- the openings 18 fill up with the material of the carrier 10 during injection molding, they additionally anchor the segments of the circuit board 11 in the carrier 10.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Current Collectors (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9010542U | 1990-07-13 | ||
DE9010542U DE9010542U1 (de) | 1990-07-13 | 1990-07-13 | Plankollektor |
PCT/DE1991/000539 WO1992001321A1 (de) | 1990-07-13 | 1991-06-29 | Plankollektor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0491904A1 true EP0491904A1 (de) | 1992-07-01 |
EP0491904B1 EP0491904B1 (de) | 1995-01-18 |
Family
ID=6855561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91911932A Expired - Lifetime EP0491904B1 (de) | 1990-07-13 | 1991-06-29 | Plankollektor und verfahren zu seiner herstellung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0491904B1 (de) |
JP (1) | JPH05502974A (de) |
DE (2) | DE9010542U1 (de) |
WO (1) | WO1992001321A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9217259D0 (en) * | 1992-08-14 | 1992-09-30 | Johnson Electric Sa | A planar carbon segment commutor |
JP2883545B2 (ja) * | 1994-08-22 | 1999-04-19 | オーパック株式会社 | 扁平型整流子およびその製造方法 |
FR2753849B1 (fr) * | 1996-09-26 | 1998-10-23 | Valeo Equip Electr Moteur | Induit de machine electrique tournante et demarreur de vehicule automobile comportant un tel induit |
EP0935331B1 (de) * | 1997-08-21 | 2008-06-11 | Aisan Kogyo Kabushiki Kaisha | Kommutator mit verbesserten segmentverbindungen |
US5932949A (en) * | 1997-10-03 | 1999-08-03 | Mccord Winn Textron Inc. | Carbon commutator |
DE19854843A1 (de) * | 1998-11-27 | 2000-06-08 | Kirkwood Ind Gmbh | Vorrichtung zum Stromwenden, insbesondere Kommutator, und Verfahren zur Herstellung einer solchen Vorrichtung |
DE10025695B4 (de) * | 2000-05-24 | 2008-09-25 | Sugiyama Seisakusyo Co., LTD., Meguro | Flacher Kohlekollektor und Verfahren zum Herstellen desselben |
MXPA05006707A (es) | 2000-05-31 | 2005-09-08 | Kolektor Group Doo | Conmutador plano. |
DE102009057063A1 (de) | 2009-12-04 | 2011-06-09 | Kolektor Group D.O.O. | Verfahren zur Herstellung eines Plankommutators sowie Plankommutator |
CN104064936A (zh) * | 2013-03-20 | 2014-09-24 | 德昌电机(深圳)有限公司 | 换向器及其制作方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2394906A1 (fr) * | 1977-06-15 | 1979-01-12 | Landis & Gyr Ag | Procede de fabrication d'un collecteur plan de moteur electrique miniature |
FR2412184A1 (fr) * | 1977-12-15 | 1979-07-13 | Paris & Du Rhone | Perfectionnements aux collecteurs de machines tournantes dynamoelectriques et procede pour leur mise en oeuvre |
DE8908077U1 (de) * | 1988-07-04 | 1989-11-16 | Deutsche Carbone Ag, 6000 Frankfurt | Plankollektor |
-
1990
- 1990-07-13 DE DE9010542U patent/DE9010542U1/de not_active Expired - Lifetime
-
1991
- 1991-06-29 EP EP91911932A patent/EP0491904B1/de not_active Expired - Lifetime
- 1991-06-29 WO PCT/DE1991/000539 patent/WO1992001321A1/de active IP Right Grant
- 1991-06-29 DE DE59104329T patent/DE59104329D1/de not_active Expired - Fee Related
- 1991-06-29 JP JP3511036A patent/JPH05502974A/ja active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO9201321A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPH05502974A (ja) | 1993-05-20 |
EP0491904B1 (de) | 1995-01-18 |
DE9010542U1 (de) | 1991-11-07 |
WO1992001321A1 (de) | 1992-01-23 |
DE59104329D1 (de) | 1995-03-02 |
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