WO2015159761A1 - Mécanisme à bagues collectrices et machine dynamo-électrique comportant le mécanisme à bagues collectrices - Google Patents

Mécanisme à bagues collectrices et machine dynamo-électrique comportant le mécanisme à bagues collectrices Download PDF

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Publication number
WO2015159761A1
WO2015159761A1 PCT/JP2015/060868 JP2015060868W WO2015159761A1 WO 2015159761 A1 WO2015159761 A1 WO 2015159761A1 JP 2015060868 W JP2015060868 W JP 2015060868W WO 2015159761 A1 WO2015159761 A1 WO 2015159761A1
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WO
WIPO (PCT)
Prior art keywords
cover
slip ring
brush
ring mechanism
brush base
Prior art date
Application number
PCT/JP2015/060868
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English (en)
Japanese (ja)
Inventor
陽介 ▲高▼家
林　裕人
Original Assignee
株式会社豊田自動織機
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Filing date
Publication date
Application filed by 株式会社豊田自動織機 filed Critical 株式会社豊田自動織機
Publication of WO2015159761A1 publication Critical patent/WO2015159761A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation

Definitions

  • the present invention relates to a slip ring mechanism and a rotating electrical machine including the slip ring mechanism.
  • Patent Document 1 describes a rotating electrical machine in which a slip ring, a brush, a brush holder that accommodates a brush, and a brush holder support that supports the brush holder are accommodated in a collector cover.
  • the brush is arranged so as to contact each of the three slip rings provided along the axial direction of the rotation shaft.
  • each partition arranged along the axial direction protrude so as to face the slip ring.
  • An annular insulating support plate made of an insulating plate is attached to each partition.
  • a brush holder support is attached to each insulating support plate.
  • the rotating electrical machine may be incorporated in a transaxle that is mounted on the vehicle. In such a rotating electrical machine, it is necessary to perform brush replacement work in a limited narrow space. Furthermore, when replacing the brush, it is necessary to attach and detach an electric wire for connecting the brush to an electric device outside the rotating electrical machine.
  • the configuration in which the brush is housed in the collector cover and held by using a plurality of members as in the rotating electric machine of Patent Document 1 makes it very difficult to attach and detach the wire and replace the brush. Have a problem.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a slip ring mechanism and a rotating electric machine including the slip ring mechanism that facilitate the work of assembling a brush.
  • a slip ring mechanism is a slip ring mechanism including a conductive brush and a slip ring that is in contact with the brush and has conductivity.
  • a rotating shaft provided, a cylindrical brush base cover having a brush base for holding a brush inside and surrounding the slip ring, and a slip ring mechanism housing space for housing the rotating shaft and the brush base cover
  • a first cover and a second cover that extend together along a circumferential direction of the rotary shaft outside the brush base cover, and an opening on one end side of the rotary shaft.
  • the second cover is attached to the first cover so as to close the opening, and the brush base has a bus bar electrically connected to the brush. Extends to the vicinity of the second cover to protrude to the outside of the brush base cover slip ring mechanism housing space, it can be connected to the wires extending from the outside of the slip ring mechanism housing space therein.
  • the slip ring mechanism and the rotating electric machine including the slip ring mechanism according to the present invention it is possible to facilitate the work of assembling the brush.
  • FIG. 3 is a sectional view taken along line III-III in FIG.
  • FIG. 5 is a cross-sectional view of the vicinity of a brush obtained by cutting the rotating electrical machine of FIG.
  • a rotating electrical machine 100 including a slip ring mechanism 30 according to an embodiment of the present invention will be described with reference to the accompanying drawings.
  • the rotating electrical machine 100 will be described as being incorporated in a hybrid transaxle for operating a hybrid vehicle.
  • a rotating electrical machine 100 constitutes a double rotor type rotating electrical machine to which three-phase AC power is applied.
  • the rotating electrical machine 100 includes a cylindrical metal motor housing portion 1, a cylindrical metal motor cover 2 provided at an opening end portion 1 a of the motor housing portion 1, and an opening portion of the opening end portion 2 a of the motor cover 2. And a metal end cover 3 for closing 2a1.
  • the motor housing portion 1 is integrally formed with the housing of the hybrid transaxle 200 shown in FIG. 3 and constitutes a part thereof.
  • the motor housing portion 1 and the motor cover 2 constitute a housing of a rotating electrical machine
  • the motor cover 2 constitutes a first cover
  • the end cover 3 constitutes a second cover.
  • the motor cover 2 is fixed to the opening end 1 a of the motor housing portion 1 and has an annular plate-like flange portion 2 b extending in the radial direction of the opening end 1 a and a diameter smaller than that of the motor housing portion 1.
  • the substantially cylindrical small diameter cylinder part 2c extended in the motor housing part 1 perpendicularly
  • a large-diameter cylindrical portion 2d that extends.
  • the large-diameter cylindrical portion 2d constitutes the open end 2a.
  • the end cover 3 is fixed to the end of the large diameter cylindrical portion 2d.
  • a slip ring mechanism accommodating space 4 is formed in which the inner diameter increases in a step shape from the small diameter cylindrical portion 2c to the large diameter cylindrical portion 2d.
  • a motor housing space 5 is defined between the motor housing portion 1 and the small diameter cylindrical portion 2c, that is, inside the motor housing portion 1 and outside the small diameter cylindrical portion 2c.
  • the rotary electric machine 100 can rotate integrally with the rotary shaft 6 on a metal rotary shaft 6 extending through the slip ring mechanism housing space 4 and an end portion 6a of the rotary shaft 6 opposite to the end cover 3. And a metal first rotor support member 7 connected to the first metal support member 7.
  • the first rotor support member 7 is disposed coaxially with the rotation shaft 6.
  • a space between the inner peripheral surface of the end of the small diameter cylindrical portion 2c opposite to the large diameter cylindrical portion 2d and the outer peripheral surface of the rotary shaft 6 is hermetically sealed by an annular seal member 8.
  • annular partition wall 2e protruding from the small diameter cylindrical portion 2c toward the rotary shaft 6 is formed in the small diameter cylindrical portion 2c. It is integrally molded.
  • the first rotor support member 7 includes a cylindrical input shaft portion 7 a that protrudes on the opposite side of the rotation shaft 6, and a cylindrical rotor support that extends so as to surround the small-diameter cylindrical portion 2 c from the outside in the motor housing space 5.
  • the part 7b is integrally included.
  • the input shaft portion 7a is configured such that the rotational driving force of the driving device is transmitted by fitting and inserting the rotating shaft of the driving device such as an engine inside the cylinder.
  • the rotor support portion 7 b supports the cylindrical first rotor 21 provided on the outer periphery thereof and rotates integrally with the first rotor 21.
  • the first rotor 21 includes therein a three-phase winding 21a arranged along the circumferential direction.
  • the first rotor 21 constitutes a rotor.
  • the rotor support portion 7b is rotatably supported by the flange portion 2b of the motor cover 2 via a ball bearing 9 provided on the outer peripheral side thereof. For this reason, the rotation shaft 6, the first rotor support member 7, and the first rotor 21 can rotate integrally with respect to the motor housing portion 1 and the motor cover 2 around the rotation center axis of the rotation shaft 6.
  • a cylindrical second rotor 22 is provided so as to surround the outer periphery of the first rotor 21.
  • the 2nd rotor 22 has the permanent magnet 22a arrange
  • the second rotor 22 is supported by second rotor support members 10 and 11 provided so as to sandwich the second rotor 22 from both sides in the cylindrical axis direction.
  • the second rotor support member 11 has a cylindrical shape.
  • the second rotor support member 11 is disposed on the flange portion 2b side of the motor cover 2 with respect to the second rotor 22, and is coupled to the second rotor 22 so as to be integrally rotatable.
  • the 2nd rotor support member 11 is rotatably supported by the flange part 2b via the ball bearing 12 provided in the outer peripheral side.
  • the second rotor support member 10 has a bottomed cylindrical shape.
  • the second rotor support member 10 is disposed on the opposite side of the flange portion 2b with respect to the second rotor 22, and is coupled to the second rotor 22 together with the second rotor support member 11 so as to be integrally rotatable.
  • the 2nd rotor support member 10 is rotatably supported by the outer peripheral surface of the input shaft part 7a via the ball bearing 13 provided in the inner peripheral side.
  • the second rotor support member 10 integrally includes a cylindrical output shaft portion 10a extending in the same direction as the input shaft portion 7a at the center of the bottom portion of the bottomed cylinder.
  • the output shaft portion 10 a is disposed coaxially with the input shaft portion 7 a and the rotation shaft 6.
  • the second rotor 22 and the second rotor support members 10 and 11 can be integrally rotated relative to the input shaft portion 7a, that is, relative to the rotating shaft 6 and the first rotor 21.
  • the output shaft part 10a of the 2nd rotor support member 10 can output a rotational drive force to the mechanism engaged with the gear teeth formed in the outer peripheral surface.
  • a cylindrical stator 23 is provided so as to surround the outer periphery of the second rotor 22.
  • the stator 23 is fixed to the motor housing part 1. Further, the stator 23 includes therein a three-phase winding 23a arranged along the circumferential direction.
  • the stator 23 constitutes a stator. Therefore, the rotating electrical machine 100 constitutes a double rotor type rotating electrical machine including the first rotor 21, the second rotor 22, and the stator 23.
  • an inner arcuate groove 3b and an outer arcuate groove 3c that open to the slip ring mechanism housing space 4 are formed on the inner surface 3a of the end cover 3.
  • the inner arcuate groove 3b and the outer arcuate groove 3c extend so as to surround the periphery of the rotary shaft 6 with a space therebetween.
  • the outer arcuate groove 3c extends from the outer side so as to surround the inner arcuate groove 3b in the radial direction of the rotating shaft 6.
  • the inner arc-shaped groove 3b and the outer arc-shaped groove 3c constitute a first series path and a second communication path, respectively.
  • the inner arcuate groove 3b and the outer arcuate groove 3c communicate with the outside of the end cover 3.
  • the inner arcuate groove 3b communicates with an external blower (not shown) and is configured to be supplied with air as a cooling fluid.
  • the outer arcuate groove 3c is configured to release air to the outside of the transaxle 200 shown in FIG.
  • a rotation sensor 14 that detects the number of rotations of the rotating shaft 6 is embedded inside the inner arcuate groove 3 b so as to surround the rotating shaft 6.
  • a substantially cylindrical brush base cover is formed from a portion between the inner arc-shaped groove 3b and the outer arc-shaped groove 3c on the inner surface 3a of the end cover 3 toward the partition wall 2e.
  • 31 extends substantially parallel to the rotary shaft 6 so as to surround the rotary shaft 6.
  • the brush base cover 31 has a gap between the brush base cover 31 and the partition wall 2e, thereby forming a reciprocating flow path along the axial direction of the rotary shaft 6 in the slip ring mechanism accommodating space 4. .
  • This reciprocating flow path changes its direction after the air flowing in from the inner arc-shaped groove 3b collides with the partition wall 2e after passing through the inside of the brush base cover 31 between the rotating shaft 6 and the brush base cover 31.
  • the flow path passes through the outside of the brush base cover 31 between the small diameter cylindrical portion 2c and the large diameter cylindrical portion 2d and the brush base cover 31, and flows out from the outer arcuate groove 3c.
  • the brush base cover 31 has an outer shape along the small diameter cylindrical portion 2c and the large diameter cylindrical portion 2d.
  • the brush base cover 31 includes a small diameter portion 31a that faces the small diameter cylindrical portion 2c and a large diameter portion 31b that faces the large diameter cylindrical portion 2d.
  • the large diameter part 31b has a larger diameter than the small diameter part 31a.
  • the large diameter cylindrical portion 2d of the motor cover 2 and the brush base are provided so as to correspond to the inner arcuate groove 3b and the outer arcuate groove 3c whose diameters are increased by providing the rotation sensor 14 on the outer peripheral side of the rotating shaft 6.
  • the large diameter portion 31b of the cover 31 has a large diameter.
  • a slip ring mechanism 30 is provided inside the brush base cover 31.
  • the slip ring mechanism 30 is a mechanism for electrically connecting the electrical equipment outside the transaxle 200 shown in FIG. Referring to FIGS. 1, 2, 4, and 5 together, the slip ring mechanism 30 includes three annular slip rings 32 that are embedded to surround the outer periphery of the rotating shaft 6 and have conductivity, and a slip ring. 32 and a plurality of brushes 33 that are in contact with each other and have conductivity.
  • the three slip rings 32 are arranged in a line along the rotation center axis direction of the rotation shaft 6. Three brushes 33 are provided for each slip ring 32.
  • the outer peripheral surface of the rotating shaft 6 is covered with a cylindrical insulating member 40 made of resin or the like.
  • the insulating member 40 includes each slip ring 32 so that the outer peripheral surface of each slip ring 32 is exposed.
  • the insulating member 40 insulates each slip ring 32 from the rotating shaft 6 and other slip rings 32.
  • the insulating member 40 includes three slip ring bus bars 41 extending along the axial direction of the rotary shaft 6.
  • the insulating member 40 insulates each slip ring bus bar 41 from the rotating shaft 6 and other slip ring bus bars 41.
  • Each slip ring bus bar 41 has conductivity, and electrically connects each slip ring 32 to the windings 21 a of the different phases of the first rotor 21.
  • the slip ring mechanism 30 includes an annular plate-like base ring plate 35 formed of a conductive material such as metal.
  • the slip ring mechanism 30 also includes a brush holder 34, a winding spring 36, an electrical connection 37 and a spacer 38 fixed on the surface of the base ring plate 35.
  • Each brush holder 34 is made of a conductive material such as metal, and holds each brush 33 slidably inside.
  • Each winding spring 36 presses each brush 33 toward the slip ring 32.
  • Each electrical connection portion 37 is constituted by an electric wire and a terminal, and electrically connects each brush holder 34 to the base ring plate 35.
  • the spacer 38 connects the base ring plates 35 with a predetermined interval.
  • the base ring plate 35 constitutes a brush base.
  • the three base ring plates 35 are provided so as to extend along the direction perpendicular to the rotation center axis direction of the rotary shaft 6 on the outer peripheral side of each slip ring 32 and in the vicinity of each slip ring 32.
  • the three base ring plates 35 are arranged at intervals in the direction of the rotation center axis of the rotary shaft 6 and are fixed to the brush base cover 31.
  • Each base ring plate 35 is provided with three brush holders 34, three winding springs 36, three electrical connections 37 and three spacers 38.
  • a single integrally formed bus bar 39 extends from the outer peripheral edge of each base ring plate 35.
  • Each bus bar 39 protrudes outside the brush base cover 31 through a slit 31 a 1 formed in the small diameter portion 31 a of the brush base cover 31. Further, each bus bar 39 extends to a position in the vicinity of the end cover 3 between the large diameter cylindrical portion 2 d of the motor cover 2 and the large diameter portion 31 b of the brush base cover 31.
  • the three bus bars 39 are arranged at equal intervals in the circumferential direction of the brush base cover 31.
  • the end portions 39a of the three bus bars 39 are located at the same axial distance from the end cover 3, respectively.
  • the end 39a of each bus bar 39 is configured so that a terminal of an electric wire connected to an external electric device can be connected. Therefore, each brush 33 is electrically connected to an external electric device via the brush holder 34, the electrical connection portion 37, the base ring plate 35, and the bus bar 39.
  • the end 39 a to which the electric wire is connected is disposed between the motor cover 2 and the brush base cover 31 and faces the end cover 3 in the opening direction of the motor cover 2, that is, in the axial direction. To be arranged.
  • the end 39 a faces the end cover 3 in the opening direction of the motor cover 2 without the motor cover 2 and the brush base cover 31 interposed therebetween. Therefore, it becomes easy to access the end 39a from the opening 2a1 of the motor cover 2 with the end cover 3 removed.
  • the strength of the motor cover 2 is improved by integrally forming the flange portion 2b, the small diameter cylindrical portion 2c and the large diameter cylindrical portion 2d as separate members.
  • the thickness of the member at the connection portion between the portion 2b and the small diameter cylindrical portion 2c and the thickness of the member at the connection portion between the flange portion 2b and the large diameter cylindrical portion 2d could be reduced.
  • parts for connecting members are no longer necessary. Thereby, while being able to provide the edge part 39a of the bus-bar 39 between the large diameter cylinder part 2d and the large diameter part 31b of the brush base cover 31, the space for the operation
  • an external terminal block 2f is integrally formed on the outer peripheral side of the large-diameter cylindrical portion 2d.
  • the external terminal block 2f is provided with three external terminals 2g corresponding to each phase of the three-phase alternating current.
  • three electric wire holes 2i are formed extending from the inner peripheral side of the large diameter cylindrical portion 2d to the external terminal 2g through the large diameter cylindrical portion 2d and the external terminal block 2f.
  • the terminal of the edge part of the electric wire 2h extended in the motor cover 2 through each electric wire hole 2i from each external terminal 2g is connected to the edge part 39a of each bus bar 39.
  • each bus bar 39 is located outside the brush base cover 31 and in the vicinity of the opening 2a1 of the large-diameter cylindrical portion 2d. Therefore, the connection work of the terminal of the electric wire 2h to the end 39a is easy. is there.
  • the assembly of the slip ring mechanism 30 as described above to the rotating shaft 6 is performed as follows. 1 to 5 together, first, three base ring plates 35 to which a brush 33, a brush holder 34, a winding spring 36 and a spacer 38 are attached and to which an electrical connection portion 37 is connected are interposed via the spacer 38. After being assembled with each other, they are assembled inside the brush base cover 31.
  • the assembly 50 shown in FIG. 4 including the base ring plate 35 including the brush 33 and the like and the brush base cover 31 is inserted into the opening 2a1 of the opening end 2a of the motor cover 2 from the inside.
  • the rotating shaft 6 including the slip ring 32 is passed through the opening 35 a shown in FIG. 5 at the center of the base ring plate 35.
  • the external terminal 2g with the electric wire 2h is attached to the external terminal block 2f. Then, the terminals of the electric wires 2 h passed through the electric wire holes 2 i are connected to the end portions 39 a of the bus bars 39 extending from the base ring plates 35. Thereafter, the end cover 3 is attached to the motor cover 2 using a fastener such as a bolt, and the opening 2a1 is closed.
  • connection of the electric wire 2h is performed after the assembly of all the other components of the slip ring mechanism 30 into the motor cover 2, the assembly of the components is not hindered. Furthermore, the connection of the electric wire 2h is easy because it is performed within a sufficient work space near the opening 2a1. Therefore, assembly of all the components of the slip ring mechanism 30 is facilitated.
  • the end cover 3 is first removed.
  • the electric wire 2 h is removed from the bus bar 39.
  • the assembly 50 shown in FIG. 4 including the base ring plate 35 and the brush base cover 31 is extracted from the motor cover 2.
  • the replacement of the brush 33 is performed on the extracted assembly 50. Therefore, the replacement work of the brush 33 is facilitated.
  • the rotary electric machine 100 operates as follows. 1 and 3 together, when a three-phase alternating current is supplied to each brush 33 from an electric device (not shown) via the external terminal 2g, the supplied current is supplied to each slip ring 32 and each slip ring. Through the bus bar 41, the three-phase winding 21a of the first rotor 21 is supplied. Then, the rotating magnetic field generated by the current flowing through the three-phase winding 21a acts on the permanent magnet 22a to rotationally drive the second rotor 22, whereby the output shaft portion 10a is rotationally driven.
  • each bus bar 39 is arranged outside the brush base cover 31 and the end 39a of each bus bar 39 to which the electric wire 2h is connected is located in the vicinity of the outer arcuate groove 3c, each bus bar 39 and its end 39a does not hinder the flow of air that cools the brush 33.
  • the slip ring mechanism 30 includes the conductive brush 33 and the conductive slip ring 32 in contact with the brush 33.
  • the slip ring mechanism 30 includes a rotating shaft 6 in which a slip ring 32 is provided along the outer periphery, and a base ring plate 35 that holds a brush 33 inside, and a cylindrical shape that is provided so as to surround the slip ring 32.
  • a brush base cover 31, and a motor cover 2 and an end cover 3 that together form a slip ring mechanism housing space 4 for housing the rotating shaft 6 and the brush base cover 31 are provided.
  • the motor cover 2 extends along the circumferential direction of the rotating shaft 6 outside the brush base cover 31 and opens at an opening 2a1 on one end side of the rotating shaft 6, and the end cover 3 has an opening 2a1. It is attached to the motor cover 2 so as to block.
  • the base ring plate 35 has a bus bar 39 electrically connected to the brush 33, and the bus bar 39 protrudes outside the brush base cover 31 in the slip ring mechanism housing space 4 and extends to the vicinity of the end cover 3. Then, it can be connected to the electric wire 2h extending from the outside to the inside of the slip ring mechanism accommodating space 4.
  • the brush 33 is attached and detached by attaching or removing the brush base cover 31 including the base ring plate 35 holding the brush 33 to the motor cover 2 with the end cover 3 removed. Can do. Further, the connection and disconnection of the bus bar 39 electrically connected to the brush 33 and the electric wire 2h are performed by removing the slip ring mechanism 30 in addition to the bus bar 39 outside the brush base cover 31 with the end cover 3 removed. Since it can be carried out in the vicinity of the opening 2a1 of the motor cover 2 in a region where no component is present, the operation is easy. Therefore, the slip ring mechanism 30 can facilitate the work of removing the brush. In addition, since the space for connecting and releasing the connection between the bus bar 39 and the electric wire 2h is set at a radial position with respect to the rotating shaft 6, an increase in the axial length of the rotating electrical machine 100 can be suppressed.
  • the brush base cover 31 is provided so as to extend from the end cover 3 into the slip ring mechanism accommodating space 4, and the end cover 3 is accommodated in the slip ring mechanism inside the brush base cover 31.
  • An inner arc-shaped groove 3 b that communicates the space 4 with the outside of the end cover 3 and an outer arc-shaped groove 3 c that communicates the slip ring mechanism housing space 4 outside the brush base cover 31 with the outside of the end cover 3 are provided.
  • the inner arc-shaped groove 3b is a path for introducing a cooling fluid into the slip ring mechanism accommodating space 4
  • the outer arc-shaped groove 3c is a path for leading the cooling fluid out of the slip ring mechanism accommodating space 4. is there.
  • the bus bar 39 and the electric wire 2 h do not hinder the flow of the cooling fluid to the brush 33.
  • the bus bar 39 is integrally formed with the base ring plate 35.
  • the structure of the bus bar 39 can be simplified.
  • the rigidity of the connecting portion between the bus bar 39 and the base ring plate 35 can be improved. Therefore, since the bus bar 39 does not move easily, the attachment and removal work of the brush base cover 31 including the base ring plate 35 is facilitated.
  • the rotating electrical machine 100 includes a first rotor 21 that rotates integrally with the rotating shaft 6, a stator 23, a motor housing portion 1 that houses the first rotor 21 and the stator 23, and a motor cover 2.
  • the motor cover 2 includes a flange portion 2b, a small diameter cylindrical portion 2c and a large diameter cylindrical portion 2d which are integrally formed.
  • the flange portion 2b, the small diameter cylindrical portion 2c, and the large diameter cylindrical portion 2d can be thinned. Therefore, the space which can be taken between the motor cover 2 and the brush base cover 31 is expanded, and the connection and disconnection work between the bus bar 39 and the electric wire 2h becomes easy.
  • the three slip rings 32 are provided.
  • the present invention is not limited to this, and the number of slip rings is four or more even if the number is two or less. There may be.
  • the number of brushes 33 that contact each slip ring is not limited to three, and may be two or less or four or more.
  • the first rotor 21 and the stator 23 of the rotating electrical machine 100 are provided with windings, and the second rotor 22 is provided with permanent magnets. It is not limited to.
  • air that is a gas is used as the cooling fluid introduced into the slip ring mechanism accommodating space 4, but the cooling fluid is a gas other than air. It may be a liquid.
  • the liquid used as the cooling fluid is more preferably a liquid having no conductivity.
  • the inner arcuate groove 3b is used as the cooling fluid introduction path and the outer arcuate groove 3c is used as the cooling fluid lead-out path.
  • the rotary electric machine 100 is a double rotor type rotary electric machine, but is not limited to this, and the number of rotors is not limited as long as the rotary electric machine 100 includes a slip ring and a brush.
  • the rotating electrical machine 100 may include only two rotors including the first rotor 21 and the second rotor 22 without including the stator 23.
  • the slip ring mechanism 30 is provided on a rotating shaft of a rotor having a winding of two rotors.
  • the rotating electrical machine 100 is mounted on the hybrid transaxle 200 for operating the hybrid vehicle.
  • the present invention is not limited to this, and may be mounted on anything.
  • 1 motor housing part (housing machine housing), 2 motor cover (housing machine housing, first cover), 2a opening end, 2a1 opening part, 2b flange part, 2c small diameter cylindrical part, 2d large diameter cylindrical part, 2h Electric wire, 3 End cover (second cover), 3b Inner arc-shaped groove (second series path), 3c Outer arc-shaped groove (second communication path), 4 Slip ring mechanism accommodation space, 6 Rotating shaft, 21 First rotor (Rotor), 23 stator (stator), 30 slip ring mechanism, 31 brush base cover, 32 slip ring, 33 brush, 35 base ring plate (brush base), 39 bus bar, 100 rotating electric machine.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

L'invention porte sur un mécanisme à bagues collectrices (30) qui comprend les éléments suivants : un arbre rotatif (6) comportant des bagues collectrices (32) ; un recouvrement à base de balai cylindrique (31) qui est positionné de manière à enfermer les bagues collectrices (32) et comporte, à l'intérieur de ce dernier, des plaques de bague de base (35) qui maintiennent des balais (33) ; et un recouvrement de moteur (2) et un recouvrement d'extrémité (3) qui, ensemble, forment un espace contenant un mécanisme à bagues collectrices (4) qui contient l'arbre rotatif (6) et le recouvrement à base de balai (31). Le recouvrement de moteur (2) s'étend, à l'extérieur du recouvrement à base de balai (31), dans la direction circonférentielle de l'arbre rotatif (6). Le recouvrement d'extrémité (3) est fixé au recouvrement de moteur (2) de manière à fermer une ouverture (2a1). Les plaques de bague de base (35) comportent une barre omnibus (39) qui est électriquement reliée aux balais (33). Ladite barre omnibus (39) fait saillie à l'extérieur du recouvrement à base de balai (31) à l'intérieur de l'espace contenant un mécanisme à bagues collectrices (4) et s'étend jusqu'à proximité du recouvrement d'extrémité (3).
PCT/JP2015/060868 2014-04-15 2015-04-07 Mécanisme à bagues collectrices et machine dynamo-électrique comportant le mécanisme à bagues collectrices WO2015159761A1 (fr)

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JP2014-083384 2014-04-15
JP2014083384A JP2015204700A (ja) 2014-04-15 2014-04-15 スリップリング機構及びスリップリング機構を備える回転電機

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WO2015159761A1 true WO2015159761A1 (fr) 2015-10-22

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Cited By (1)

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CN113890298A (zh) * 2021-09-22 2022-01-04 苏州洛塔电机有限公司 一种双扭矩无刷电机

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6829216B2 (ja) * 2018-01-12 2021-02-10 株式会社ニフコ スリップリング装置

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Publication number Priority date Publication date Assignee Title
JPH0199451A (ja) * 1987-10-12 1989-04-18 Nippon Denso Co Ltd 車両用交流発電機
JPH09154262A (ja) * 1995-09-06 1997-06-10 Denso Corp 発電機
JP2013062921A (ja) * 2011-09-13 2013-04-04 Toyota Motor Corp 回転電機及び動力伝達装置
JP2013201844A (ja) * 2012-03-26 2013-10-03 Toyota Motor Corp 回転電機

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0199451A (ja) * 1987-10-12 1989-04-18 Nippon Denso Co Ltd 車両用交流発電機
JPH09154262A (ja) * 1995-09-06 1997-06-10 Denso Corp 発電機
JP2013062921A (ja) * 2011-09-13 2013-04-04 Toyota Motor Corp 回転電機及び動力伝達装置
JP2013201844A (ja) * 2012-03-26 2013-10-03 Toyota Motor Corp 回転電機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113890298A (zh) * 2021-09-22 2022-01-04 苏州洛塔电机有限公司 一种双扭矩无刷电机

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