JP5394355B2 - Rotating electric machine - Google Patents

Description

  The present invention relates to a rotating electrical machine (motor generator) that operates as an electric motor or a generator, and in particular, electrically connects a power line from a power converter and a power supply terminal of a rotating electrical machine main body housed in a casing. The present invention relates to a rotating electrical machine having a structure in which a conductive member is fixed inside the casing.

  Conventionally, as shown in FIG. 2 of Patent Document 1, one end is fastened to a power supply terminal connected to a stator coil (10) and a harness (terminal) (6) to which power is supplied from a power converter. There has been proposed a rotating electrical machine (2) having a conductive part structure that is connected to the other end of a bus bar-shaped terminal (9) by a bolt (11a).

  Moreover, in FIG.2 and FIG.3 of patent document 2, the through-hole (22) is provided in the motor case (21) which accommodates a rotary electric machine, and the rotary electric machine inside a motor case (21) is provided in the said through-hole (22). A bus bar (71) connected to a terminal (power supply terminal) (14) of the main body, and a terminal (52) connected to a power cable (power line) (51) from an inverter (130) outside the motor case (21) , A rotating electrical machine to which a substantially cylindrical terminal block (31) is attached has been proposed.

  In this case, the outer peripheral side of the terminal block (31) is a cylindrical resin portion (34) for insulation from the motor case (21), and the inner peripheral side of the terminal block (31) is a columnar metal portion ( 32). An upper surface of the columnar metal portion (32) is a pedestal portion provided with a screw groove in the axial direction. The terminal (52) connected to the power line (51) is overlapped on the pedestal portion, and the bolt (83) is screwed into the screw groove of the pedestal portion from the outside to the inside of the motor case (21). Thus, the terminal (52) connected to the power line (51) is fastened to the terminal block (31). Further, in order to prevent foreign matter from entering the inside of the motor case (21), the outer peripheral surface of the cylindrical portion of the resin portion (34) of the terminal block (31) and the peripheral surface of the through hole (22). A resin (26) is filled in between.

JP 2004-153891 A JP 2008-148409 A

  By the way, when electrically connecting the terminal of the power line from the outside of the motor and the power terminal of the rotating electrical machine main body at the terminal block, taking into account the attachment / detachment of the terminal of the power line and the simplicity of assembly, The bolt for fastening the terminal and the terminal block is preferably fastened from the outside to the inside of the casing.

  However, in the rotating electrical machine according to Patent Document 1, a bolt from the inside of the casing is provided between the power supply terminal connected to the stator coil, that is, the power supply terminal of the rotating electrical machine main body and the terminal to which power is supplied from the power converter. Since the structure is such that the nut is inserted and fastened from the outside by a nut, there is a problem that the assembling property is poor.

  On the other hand, in the rotating electrical machine according to Patent Document 2, since the bolt is structured to be fastened from the outside to the inside of the casing, the assembly of the bolt itself is considered good, but from the terminal of the power line, The conductive part structure (power part connection structure) to the terminal block, bus bar, and power supply terminal of the rotating electrical machine main body is complicated, and the inside and outside of the casing is sealed with resin filling, so there is a problem that it takes a long total assembly time. .

  The present invention has been made in consideration of the above-described problems, and the rotating electrical machine that can ensure the sealing performance inside and outside the casing for housing the rotating electrical machine main body with a simple structure and can improve the assembling property. The purpose is to provide.

  In the rotating electrical machine according to the present invention, the conductive member that electrically connects the power line from the power converter and the power supply terminal of the rotating electrical machine main body housed in the casing is fixed inside the casing. A rotating electrical machine having a structure has the following features (1) to (4).

  (1) Engage the first pedestal member made of a part of the conductive member on which the power supply terminal of the rotating electrical machine body is mounted and the power supply terminal mounted on the first pedestal member with the first pedestal member. A first fastening member to be fastened, and an opening provided in the casing that allows the inside and outside of the casing to communicate with each other and allows the first fastening member to be inserted to the engagement position with the first base member. And a cover member provided with a second pedestal member on which the other part of the conductive member is placed at the time of sealing.

  According to the invention having the feature (1), the first fastening member is inserted through the opening to the first seat member, and the first fastening member allows the power supply terminal of the rotating electrical machine main body and a part of the conductive member. After the fastening, the cover member having a seal portion that seals the opening portion is attached to the casing, so that the opening portion is sealed by the seal portion and the other portion of the conductive member is placed at the time of sealing. Since the second pedestal member in the casing is disposed in the casing, the sealing performance inside and outside the casing housing the rotating electrical machine main body is ensured with a simple structure, the assembly process is simplified, and the conductive part structure inside and outside the casing As a result, the number of parts can be reduced, and the assembling property can be improved.

  (2) In the invention having the above feature (1), the conductive member includes a terminal block and a bus bar having one end connected to the terminal block, and the first base includes the part of the conductive member. The member is the terminal block, and the other portion of the conductive member is the bus bar on which the other end is placed on the second pedestal member.

  In the invention having the feature (2), the first pedestal member formed of a part of the conductive member is a terminal block, the other part of the conductive member is a bus bar, and the other end is disposed on the second pedestal member. Therefore, when the cover member is attached to the casing after the power terminal and the terminal block of the rotating electrical machine main body are connected by the first fastening member inside the casing, the other end of the bus bar is connected to the second pedestal. Since one end portion of the bus bar can be connected to the terminal block in a state where the member is positioned, assembly man-hours can be reduced.

  (3) In the invention having the above feature (2), the first fastening member is a bolt, and the bolt is fastened to the terminal block at a position facing the opening provided in the casing. A screw groove is formed, the power supply terminal is overlaid on the screw groove of the terminal block, and a screw portion of the bolt is inserted through the opening and screwed into the screw groove, whereby the terminal block and the power supply The terminal is fastened.

  According to the invention having the feature (3), the power terminal is fastened by the bolt to the terminal block in which the screw groove is formed, so that the fastening structure can be simplified.

  (4) In the invention having the above feature (3), the second pedestal member is an insert nut, and the insert nut includes the other end portion of the bus bar and an end portion of a power line from the power converter. The terminal of the power line and the other end of the bus bar are fastened by overlapping another terminal and screwing another bolt to the insert nut.

  According to the invention having the feature (4), after the power supply terminal of the rotating electrical machine is fastened to the terminal block by the bolt inserted from the opening of the casing, the cover member is attached to the casing, and the bus bar is further attached to the terminal block. The other end of the bus bar and the terminal of the power line are overlapped with the insert nut of the cover member and fastened by another bolt, thereby easily connecting the power supply terminal and the power line of the rotating electrical machine. Electrical connection can be achieved with a structure and good assemblability.

  According to this invention, the first fastening member is inserted from the opening provided in the casing to the first pedestal portion, and the power terminal of the rotating electrical machine body and a part of the conductive member are fastened by the first fastening member. Then, by attaching a cover member having a seal portion for sealing the opening portion to the casing, the opening portion is sealed by the seal portion, and the other portion of the conductive member is arranged at the time of sealing. Since the second pedestal member is disposed in the casing, it is possible to secure the sealing performance inside and outside the casing that houses the rotating electrical machine main body with a simple structure and to improve the assembling performance.

1 is a schematic plan view of a vehicle in which a rotating electrical machine according to this embodiment is mounted on a vehicle body. FIG. 2 is a schematic side view of the vehicle shown in FIG. 1. It is a front view for demonstrating the casing of a rotary electric machine (motor). It is a partial notch partial cross section front view of a rotary electric machine (motor). FIG. 5 is a partially omitted enlarged cross-sectional view of a part including a conductive part structure in FIG. 4. It is the perspective view which looked at the cover member which seals the opening part provided in the casing from the front side. It is the perspective view which looked at the cover member from the back side. It is a partially notched expanded sectional view which shows the state which fastened the terminal to the terminal block with the volt | bolt.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 functions as a rotating electrical machine 10 {motor (electric motor) or generator (generator) according to this embodiment. Hereinafter, it is also referred to as a motor for convenience of understanding. } Is a schematic plan view of a four-wheeled vehicle 18 (electric vehicle) equipped with a front wheel 14 and a rear wheel 16 mounted on the vehicle body 12. FIG. 2 shows a schematic side view of the vehicle 18.

  A battery 20 is disposed below the floor of the vehicle 18 (not shown). In the motor room 24 in front of the dashboard lower panel 22 of the vehicle 18, the motor 10 and the power converter 26 are mounted, and the rotation of the rotation shaft of the motor 10 is transmitted to the axle 29 that rotates the left and right front wheels 14. ing.

  Two DC power lines 28 are connected between the power converter 26 mounted vertically above the motor 10 and the battery 20, and an AC three-phase 3 is connected between the power converter 26 and the motor 10. Two power lines 30 are connected.

  When the motor 10 is powered, electric power is supplied from the battery 20 to the motor 10 through the power line 28, the power converter 26, and the power line 30, while at the time of regeneration in which the motor 10 functions as a generator, the power line 30 and the power converter from the motor 10 are regenerated. 26 and the power line 28, the battery 20 is charged.

  The power converter 26 includes a controller having a microcomputer and an inverter (power converter main body) controlled by the controller.

  FIG. 3 shows a front view (a view seen from the front of the vehicle 18) for explaining the casing 32 (motor case) of the motor 10. The casing 32 includes two divided transmission casings 34a and 34b (mission case), a center casing 42 (center case), and a left side casing 46 (left side case, also simply referred to as the casing 46). .

  The mission casings 34a and 34b accommodate a mission (including a gear mechanism and a differential gear for shifting the rotation of the rotation shaft of the motor 10) that transmits the rotation of the rotation shaft of the motor 10 to the axle 29. The center casing 42 accommodates the rotating electrical machine main body 40 (motor main body). The left casing 46 accommodates a conductive portion structure 44 (connecting portion) that electrically connects each of the three-phase coils 48 of the rotating electrical machine body 40 and each of the three-phase power lines 30 from the power converter 26.

  A connection side of the conductive part structure 44 accommodated in the left casing 46 and the power converter 26 is covered with a cover 49 fastened to the left casing 46.

  The rotating electrical machine main body 40 includes a stator 50 around which a coil 48 (insulation coated electric wire) is wound, and a rotor 52 to which a permanent magnet is fixed. The end portions of the coils 48 for three phases are drawn out and connected on the rotating electrical machine main body 40 side of the conductive portion structure 44.

  The transmission casings 34a and 34b, the center casing 42, and the left casing 46 are fastened with predetermined bolts while the rotating electrical machine main body 40 is accommodated in the center casing 42.

  FIG. 4 shows a partially cutaway front view of the motor 10.

  FIG. 5 shows a partially omitted enlarged cross-sectional view of a portion including the conductive portion structure 44 in FIG.

  The conductive part structure 44 basically includes a conductive member 45 and a positioning member 54. The conductive member 45 includes a terminal block 60 (first pedestal member) and a bus bar 110. The positioning member 54 includes a metal terminal block 60 and an insulating member 56 (also referred to as a color member) that surrounds and holds the terminal block 60 from the casing 46.

  In this embodiment, the terminal block 60 constitutes a part of the conductive member 45, and the bus bar 110 constitutes the other part of the conductive member 45.

  On the rotating electrical machine main body 40 side of the conductive portion structure 44, the power supply terminal 92 connected to the coil 48 is fastened to the terminal block 60 by a bolt 82 (first fastening member). In addition, one end portion 110 a of the bus bar 110 is fastened to the terminal block 60 by a bolt 116 at an intermediate portion of the conductive portion structure 44. Further, the other end portion 110 b of the bus bar 110 is fastened together with the terminal 120 of the power line 30 by the bolt 122 and the nut 104 on the power converter 26 side of the conductive portion structure 44. In this way, the power line 30 from the power converter 26 and the coil 48 from the rotating electrical machine body 40 are electrically connected via the conductive part structure 44. In this sense, the conductive portion structure 44 including the terminal block 60 and the nut 104 can be said to be a relay structure (relay terminal structure).

  The terminal block 60 includes a rectangular parallelepiped base portion 60a and a substantially cylindrical flange portion 60b formed to expand toward one end of the base portion 60a. An O-ring 62 is fitted on the outer peripheral surface of the flange portion 60 b of the terminal block 60.

  A thread groove 60c is formed in the pedestal portion 60a (its seat surface) in a direction perpendicular to the seat surface. A thread groove 60d is also formed in the flange portion 60b (the seat surface) in a direction perpendicular to the seat surface.

  The insulating member 56 includes a cylindrical portion 56b (cylindrical portion) provided with an opening portion 56a for inserting a bolt 82 fastened to the screw groove 60c, and a seating surface of the flange portion 60b connected to the bottom surface side of the cylindrical portion 56b. And a U-shaped portion 56c surrounding the. An O-ring 64 is fitted on the outer peripheral portion of the cylindrical portion 56 b of the insulating member 56.

  FIG. 6 is a perspective view of the cover member 80 as viewed from the front side (outside of the casing 46).

  FIG. 7 shows a perspective view of the cover member 80 as seen from the back side (inside the casing 46).

  As shown in FIGS. 6 and 7, the cover member 80 integrally molded as a resin molded product has a base plate portion 80a, and a base portion 80b and a seal portion 80c are formed on the front and back of the base plate portion 80a. Yes.

  Each cylindrical part 80d which fits into each opening part 78 which mentions the detail provided in the casing 46 later on the back side of the seal part 80c of the base plate part 80a protrudes. A groove 80e into which an O-ring 99 (see FIG. 5) for sealing is fitted is formed on the outer periphery of each cylindrical portion 80d.

  A cylindrical portion 80f into which a nut 104 (second pedestal member) is inserted protrudes from the surface side of the base plate portion 80a. The base part 80b which positions the other end part 110b of the bus bar 110 is formed by inserting the nut 104 into each cylindrical part 80f (see FIG. 6). At both ends in the longitudinal direction of the base plate portion 80a, guides 80g that are bent toward the cylindrical portion 80f are provided. The nut 104 is an insert nut, and may be simultaneously molded when the cover member 80 is resin-molded, or may be press-fitted after resin molding.

  Bushes 114 that are inserted when the cover member 80 is fastened to the left casing 46 by bolts 112 (see FIG. 5) are attached to the two holes provided in the substantially central portion of the base plate portion 80a.

  As shown in FIG. 5, after the positioning member 54, which is the insulating member 56 that holds the terminal block 60, is press-fitted into the corresponding opening 72 of the left casing 46 from the outside of the left casing 46, the bolt 76 is inserted into the left casing 46. The positioning member 54 is fixed to the left casing 46 by being screwed into a screw groove that does not appear in the figure provided in FIG.

  When the positioning member 54 is fixed to the left casing 46, the inside and outside of the opening 72 provided in the left casing 46 are watertightly sealed by the O-rings 62 and 64 provided in the positioning member 54 (watertightness is obtained). ).

  A power terminal 92 that is a crimp terminal is attached to each end of the coil 48 (insulation-coated electric wire and power line) on the end side of the three-phase coil 48 of the rotating electrical machine main body 40.

  As shown in FIG. 5, the power terminal 92 is positioned on the positioning member 54 by superimposing (mounting) the hole at the tip of the power terminal 92 on the screw groove 60 c of the seat surface of the pedestal 60 a of the terminal block 60. Is done.

  FIG. 8 is a partially omitted enlarged cross-sectional view in a state where the cover member 80 is not attached to the casing 46.

  In the state of FIG. 8, the bolt 82 is inserted from the opening 78 provided in the casing 46, and the screw portion of the bolt 82 is screwed into the screw groove 60c of the pedestal portion 60a. Are fastened to establish electrical continuity.

  In this embodiment, the bolt 82 uses a washer-incorporated hexagon socket head cap screw, but may be a washer-incorporated hexagon bolt.

  In the assembled state shown in FIG. 8 in which the power terminal 92 is fastened to the terminal block 60 constituting the positioning member 54 by the bolt 82, the cylindrical portion 80d of the cover member 80 in FIG. After the cover member 80 is mounted on the casing 46 so that the outer peripheral surface of 80d fits into the opening 78, the cover member 80 is fastened to the casing 46 with bolts 112 as shown in FIG.

  In a state where the cover member 80 is fastened to the casing 46, the opening 78 of the casing 46 is sealed by the seal portion 80 c and the peripheral wall of the opening 78 is sealed watertight by the O-ring 99.

  In the state where the positioning member 54 is attached to the casing 46, the power terminal 92 is fastened to the terminal base 60 by the bolt 82, and the cover member 80 is attached to the casing 46, the bus bar 110 is attached to the base portion 80 b of the cover member 80. While positioning the other end portion 110b, in the positioning member 54, the one end portion 110a of the bus bar 110 is positioned so as to overlap the seating surface of the flange portion 60b formed with the screw groove 60c surrounded by the U-shaped portion 56c. Then, the one end 110a of the bus bar 110 is fastened by a bolt 116 (see FIG. 5).

  In an assembled state in which one end 110 a of the bus bar 110 is fastened by the bolt 116, the terminal 120, which is a crimp terminal connected to the end of the power line 30, is overlaid and positioned on the other end 110 b of the bus bar 110. The other end portion 110b of the bus bar 110 and the terminal 120 to which the power line 30 is fixed are fastened by screwing the screw portion into the nut 104.

  The power line 30 is sealed in a water-tight manner by a resilient bush 118 attached to the opening 115 of the casing 46.

  Thereafter, the cover 49 is fastened by the bolt 152, whereby the internal and external electrical connection of the rotating electrical machine 10 is completed.

  Here, as shown in FIGS. 5 and 8, an opening 78 is provided on the upper side of the left casing 46 into which the outer peripheral surface of each cylindrical portion 80 d of the cover member 80 is fitted. The obstruction member 130 protruding to the inner side of 46 is provided integrally with the left casing 46.

  The obstacle member 130 is formed integrally with the left casing 46 as a cylindrical portion so as to protrude downward from the opening 78. The obstruction member 130 is not limited to being formed in a cylindrical portion as a whole, and the protruding tip side can be formed as a comb-shaped portion or the like.

  In practice, the vehicle 18 has a weight reduction in grams for the purpose of improving the power consumption (corresponding to the fuel consumption of the internal combustion engine vehicle). There is.

  In this embodiment, the obstacle member 130 is manufactured integrally with the left casing 46 by casting, but may be a separate body.

  The outer peripheral portion of the cylindrical portion 80d of the cover member 80 is fitted into the inner peripheral surface on the upper side of the obstacle member 130 that forms the opening 78 (through hole), and the O-ring 99 causes the inner side (rotation) of the left casing 46 to rotate. The electric body 40 side) and the outside side (power converter 26 side) are sealed in a watertight manner. The inner peripheral surface on the upper side (base side) of the obstacle member 130 into which the O-ring 99 is fitted needs to be a cylindrical inner surface. What is necessary is just to form the said comb-shaped part in the lower part side (protrusion side) of this cylindrical inner surface.

  The distance C between the distal end portion 131 of the obstacle member 130 facing the positioning member 54 and the nearest point 97 of the positioning member 54 is set to a distance less than the bearing surface diameter φ of the bolt 82 (C <φ). When the bolt 82 is a hexagon socket bolt with a built-in washer, the seat surface diameter φ is the washer diameter φa, but the clearance C is less than the seat surface diameter φ of the bolt 82 main body with a margin. It is preferable that the distance is set.

  With this setting, when the bolt 82 is fastened (see FIG. 8) or the like, the bolt 82 passes through the interval C and passes through the bolt dropping path 210 shown as an example with a dotted line with an arrow in FIG. It is prevented from falling to the main body 40 side.

[Summary of Embodiment]
The rotating electrical machine 10 according to the embodiment described above electrically connects the power line 30 from the power converter 26 and the power terminal 92 of the rotating electrical machine main body 40 housed in the casing 32 (center casing 42). The rotating electrical machine 10 having a structure in which the conductive member 45 (terminal block 60, bus bar 110) is fixed inside the casing 32 (left casing 46), and the terminal block 60 on which the power supply terminal 92 of the rotating electrical machine main body 40 is mounted. (First pedestal member consisting of a part of the conductive member 45) and the power terminal 92 placed on the terminal block 60 (first pedestal member) are engaged with the terminal block 60 (first pedestal member) and fastened. The bolt 82 (first fastening member) is connected to the inside and outside of the casing 46, and the bolt 82 (first fastening member) is provided in the casing 46 that can be inserted to the terminal block 60 (first seat member). And a nut 104 (second pedestal member) on which the other part (bus bar 110) of the conductive member 45 (bus bar 110, terminal block 60) is placed at the time of sealing. And a cover member 80 provided with.

  According to this rotating electrical machine 10, the bolt 82 (first fastening member) is inserted through the opening 78 from the outside of the casing 46 to the terminal block 60 (first seat member), and the power terminal 92 of the rotating electrical machine main body 40 is inserted by the bolt 82. Is fastened to the terminal block 60 (first pedestal member), and then the cover member 80 having the seal portion 80c for sealing the opening portion 78 is attached to the casing 46, whereby the opening portion 78 is sealed by the seal portion 80c ( In the cover member 80, the power line 30 from the power converter 26 and the bus bar 110 (the other part of the conductive member 45) are fastened outside the casing 46 to conduct electricity at the time of sealing. Since the nut 104 (second pedestal member) is automatically disposed in the casing 46, the inner and outer seals of the casing 46 that houses the rotating electrical machine main body 40 are included. Together is ensured with a simple structure, assembly process can be simplified, it is possible to reduce the number of parts of the casing 46 and out of the conductive portion structure 44, it is possible to improve the assembling property.

  In this case, the conductive member 45 includes a terminal block 60 and a bus bar 110 connected to the terminal block 60, and the first pedestal member including the part of the conductive member 45 is used as the terminal block 60. It is preferable that the other portion is the bus bar 110 on which the other end 110b is placed on the nut 104 (second pedestal member). According to this configuration, the power terminal 92 and the terminal block 60 of the rotating electrical machine main body 40 are connected to each other by the bolt 82 (first fastening member) inside the casing 46, and one end portion of the bus bar 110 is connected to the terminal block 60. When 110 a is connected, the other end 110 b of the bus bar 110 is disposed outside the casing 46.

  Further, the first fastening member is a bolt 82, and a screw groove 60 c for fastening the bolt 82 is formed in the terminal block 60 at a position facing the opening 78 provided in the casing 46. The power terminal 92 is overlaid on the screw groove 60c, and the screw part of the bolt 82 is inserted through the opening 78 and screwed into the screw groove 60c, whereby the terminal block 60 and the power terminal 92 are fastened. Since the power terminal 92 is fastened to the terminal block 60 by the bolts 82, the fastening structure can be simplified.

  Furthermore, the nut 104 as the second pedestal member is an insert nut, and is provided at the other end portion 110b of the bus bar 110 and the end portion of the power line 30 from the power converter 26. The terminal 120 is overlapped, and another bolt 122 is screwed to the nut 104 which is an insert nut, whereby the terminal 120 of the power line 30 and the other end 110b of the bus bar 110 are fastened to the nut 104 by the bolt 122. According to this structure, the power supply terminal 92 of the rotating electrical machine 10 and the power line 30 can be electrically connected with a simple structure and good assemblability. As described above, since the insert nut 104 can be simultaneously molded (integrated molding) when the cover member 80 is resin-molded, the insert nut 104 (second pedestal member) and the cover member 80 with the seal portion 80c Therefore, the number of parts can be reduced. If the insert nut 104 is press-fitted after resin molding, the cover member 80 after press-fitting can be managed as one component.

  The present invention is not limited to the above-described embodiment, and it is needless to say that various configurations can be adopted based on the description of this specification.

DESCRIPTION OF SYMBOLS 10 ... Rotating electrical machine 26 ... Power converter 30 ... Power lines 32, 34a, 34b, 42, 46 ... Casing 40 ... Rotating electrical machine main body 45 ... Conductive member 54 ... Positioning member 56 ... Insulating member (color member)
60 ... Terminal block 78 ... Opening 80 ... Cover member 82 ... Bolt 92 ... Power supply terminal 130 ... Obstacle member

Claims (4)

A rotating electrical machine having a structure in which a conductive member that electrically connects a power line from a power converter and a power supply terminal of a rotating electrical machine main body accommodated in the casing is fixed inside the casing. ,
A first pedestal member comprising a part of the conductive member on which the power supply terminal of the rotating electrical machine body is mounted;
A first fastening member for engaging and fastening the power supply terminal placed on the first pedestal member with the first pedestal member;
An opening provided in the casing that allows the inside and outside of the casing to communicate with each other, and allows the first fastening member to be inserted to an engagement position with the first base member;
A cover member provided with a second pedestal member on which the other part of the conductive member is placed at the time of sealing;
A rotating electric machine comprising: The rotating electrical machine according to claim 1, wherein
The conductive member comprises a terminal block and a bus bar having one end connected to the terminal block,
A first base member comprising the part of the conductive member is the terminal block;
The rotating electrical machine, wherein the other portion of the conductive member is the bus bar on which the other end is placed on the second pedestal member. In the rotating electrical machine according to claim 2,
The first fastening member is a bolt;
The terminal block is formed with a screw groove to which the bolt is fastened at a position facing the opening provided in the casing, the power terminal is overlapped with the screw groove of the terminal block, and the screw of the bolt The rotating electrical machine is characterized in that the terminal block and the power supply terminal are fastened by inserting a portion through the opening and screwing into the screw groove. In the rotating electrical machine according to claim 3,
The second base member is an insert nut,
On the insert nut, the other end portion of the bus bar and a terminal provided at an end portion of the power line from the power converter are overlapped, and another bolt is screwed to the insert nut, thereby the power line. The rotating electric machine characterized in that the terminal of the other end of the bus bar and the other end of the bus bar are fastened together.

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