Configuration Structure of Wiring Components for Rotating Electrical Machines

Abstract

The present invention provides a configuration structure of a wiring component for a rotating electric machine that can suppress breakage of a holding portion caused by vibration. A configuration structure in which a wiring component (2) for a rotating electric machine is disposed on a fixed component. The wiring component (2) for a rotating electric machine has a plurality of conductive wires (21 to 26) and connects the coil ends (520) of a stator (5) in a rotating electric machine (1) to electrodes (31 to 33) of a terminal board (3). Among them, the wiring component (2) for a rotating electric machine includes a holding portion (201) that holds the plurality of conductive wires (21 to 26). The holding portion (201) is formed by molding resin so as to cover the plurality of conductive wires (21 to 26) together. A buffer member (101) made of an elastomer is provided between the holding portion (201) and the fixed component, and the holding portion (201) is disposed on the fixed component via the buffer member (101).

Description

Technical Field

[0001] The present invention relates to an arrangement structure of a wiring component for a rotating electric machine. Background Art

[0002] A wiring component for a rotating electric machine that connects the coil end of a stator in a rotating electric machine to an electrode of a terminal board is known. As such a wiring component for a rotating electric machine, a wiring component for a rotating electric machine is known that includes a plurality of conductive wires and a holding portion that is formed by molding resin so as to cover the plurality of conductive wires together and holds the plurality of conductive wires.

[0003] Particularly in a wiring component for a rotating electric machine used in a rotating electric machine mounted on a vehicle, in order to suppress the influence of vibration, it has been studied to arrange the holding portion on a fixed component such as a stator core (for example, refer to Patent Document 1).

[0004] Prior Art Documents

[0005] Patent Documents

[0006] Patent Document 1: Japanese Patent No. 5902726 Gazette Summary of the Invention

[0007] Problems to be Solved by the Invention

[0008] However, in the case where the holding portion is arranged on the fixed component as described above, there is a possibility that a gap caused by manufacturing errors is generated between the holding portion and the fixed component. If vibration is applied in a state where this gap is generated, the holding portion and the fixed component repeatedly collide, and there is a concern that the holding portion may be damaged.

[0009] Therefore, an object of the present invention is to provide an arrangement structure of a wiring component for a rotating electric machine that can suppress breakage of the holding portion caused by vibration.

[0010] Means for Solving the Problems

[0011] The present invention aims to solve the above problems and provides an arrangement structure of a wiring component for a rotating electric machine, which arranges the wiring component for a rotating electric machine on a fixed component. The wiring component for a rotating electric machine has a plurality of conductive wires and connects the coil end of a stator in the rotating electric machine to an electrode of a terminal board. Among them, the wiring component for a rotating electric machine includes a holding portion that holds the plurality of conductive wires, and the holding portion is formed by molding resin so as to cover the plurality of conductive wires together. A buffer member made of an elastic body is provided between the holding portion and the fixed component, and the holding portion is arranged on the fixed component via the buffer member.

[0012] The effects of the invention are as follows.

[0013] According to the present invention, a configuration structure of a wiring component for a rotating electric machine capable of suppressing breakage of a holding portion caused by vibration can be provided. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 FIG. 1 shows a structural example of a rotating electric machine having a configuration structure of a wiring component for a rotating electric machine according to an embodiment of the present invention, (a) is an overall view, and (b) is a partially enlarged view of (a).

[0015] Figure 2 FIG. 2 is a structural diagram of a wiring component for a rotating electric machine, a terminal board, and a stator core viewed axially.

[0016] Figure 3 FIG. 3 is a perspective view showing a coil unit formed by combining four coil pieces.

[0017] Figure 4 FIG. 4 is a perspective view showing a part of a wiring component for a rotating electric machine and a straight portion of a part of the coil pieces among a plurality of coil pieces mounted on a stator core.

[0018] Figure 5 FIG. 5 shows a wiring component for a rotating electric machine, (a) is an axial view, (b) is a circumferential view, and (c) is a perspective view.

[0019] Figure 6 FIG. 6(a) is a view showing a configuration structure of a wiring component for a rotating electric machine according to an embodiment of the present invention, and (b) is a top view observed from the lower surface side of the first holding portion.

[0020] Figure 7 FIGS. 7(a) and (b) are views showing a configuration structure of a wiring component for a rotating electric machine according to a modification example of the present invention.

[0021] Figure 8 FIGS. 8(a) and (b) are views showing a configuration structure of a wiring component for a rotating electric machine according to a modification example of the present invention.

[0022] Figure 9 FIG. 9 is a view showing a configuration structure of a wiring component for a rotating electric machine according to a modification example of the present invention.

[0023] DESCRIPTION OF SYMBOLS

[0024] 1 - Rotating electric machine, 100 - Configuration structure of wiring components for rotating electric machine, 101 - Buffer component, 2 - Wiring components for rotating electric machine, 21 - First U-phase wire (conductive wire), 22 - Second U-phase wire (conductive wire), 23 - First V-phase wire (conductive wire), 24 - Second V-phase wire (conductive wire), 25 - First W-phase wire (conductive wire), 26 - Second W-phase wire (conductive wire), 201 - First holding part (holding part), 202 - Second holding part, 203 - Third holding part, 3 - Terminal board, 31 - First electrode (electrode), 32 - Second electrode (electrode), 33 - Third electrode (electrode), 5 - Stator, 51 - Stator core, 520 - Coil end part. Detailed implementation mode

[0025] [Implementation mode]

[0026] Hereinafter, the implementation mode of the present invention will be described with reference to the drawings.

[0027] Figure 1 Fig. shows a structural example of a rotating electric machine having a configuration structure of wiring components for a rotating electric machine according to the present embodiment. (a) is an overall view, and (b) is a partial enlarged view of (a).

[0028] The rotating electric machine 1 includes wiring components 2 for a rotating electric machine, a terminal board 3, a rotor (rotating part) 4 having a shaft 11 inserted through its central part, and a stator (fixed part) 5 configured to surround the rotor 4. The rotor 4 has a plurality of magnets 42 embedded in a rotor core 41 made of a soft magnetic metal and rotates together with the shaft 11. The stator 5 has a stator core 51 made of a soft magnetic metal and a plurality of coil segments 52.

[0029] The rotating electric machine 1 is mounted on an electric vehicle such as an electric vehicle or a so-called hybrid vehicle driven by electric power. In the following description, the case where the rotating electric machine 1 is used as a motor is described, but the rotating electric machine 1 can also be used as a generator. And, in the following description, the direction parallel to the rotation axis O of the shaft 11 is referred to as the axial direction, the direction passing through the rotation axis O and perpendicular to the rotation axis O is referred to as the radial direction, and the direction perpendicular to the axial direction and the radial direction is referred to as the circumferential direction.

[0030] Figure 2 It is a structural diagram of the wiring components 2 for a rotating electric machine, the terminal board 3, and the stator core 51 viewed from the axial direction. Figure 3 It is a perspective view showing a coil unit 50 formed by combining 4 coil segments 52. In addition, in the following description, for convenience of explanation, the side on which the wiring components 2 for a rotating electric machine and the terminal board 3 are arranged among the two axial sides of the stator core 51 is referred to as the upper side, and the opposite side is referred to as the lower side. Here, the upper side and the lower side are not the vertical up and down in the state of being specifically mounted on a vehicle.

[0031] The terminal block 3 has a base 30 made of resin and first to third electrodes 31 to 33. The base 30 is fixed to a housing (not shown) that houses the stator 5, and three-phase alternating current is supplied from the controller to the first to third electrodes 31 to 33.

[0032] The stator core 51 integrally has a cylindrical back yoke 511 and a plurality of teeth 512 protruding radially inward from the back yoke 511. In the present embodiment, 72 teeth 512 are provided at equal intervals in the circumferential direction, and notches 510 are formed between the circumferentially adjacent teeth 512.

[0033] Each coil piece 52 has: a pair of linear main body portions 521 housed in the notch 510 of the stator core 51; a pair of inclined portions 522 protruding from the notch 510 and disposed above the stator core 51; a pair of linear portions 523 extending further upward in the axial direction from the upper end portions of the respective inclined portions 522; and a connecting portion 524 connecting the pair of main body portions 521 on the lower side of the stator core 51. The inclined portion 522 is inclined at an obtuse angle with respect to the main body portion 521.

[0034] Moreover, the coil piece 52 is composed of a conductive metal 52M such as copper or aluminum having good conductivity and an insulating coating layer 52I covering the surface of the conductive metal 52M. In the present embodiment, the conductive metal 52M is a flat single wire having a rectangular cross section, and the coating layer 52I is made of an enamel coating. In the coil end portion 520 which is the upper end portion of the linear portion 523, the coating layer 52I is removed and the conductive metal 52M is exposed.

[0035] In the present embodiment, 288 coil pieces 52 are mounted on the stator core 51, and 8 main body portions 521 are housed in each notch 510. The coil end portions 520 of the 288 coil pieces 52 are welded to each other to form two sets of three-phase (U-phase, V-phase, and W-phase) stator windings. And the electrical angular phase of the first set of three-phase stator windings among the two sets of three-phase stator windings deviates from the second set of three-phase stator windings by a predetermined angle. The first set of three-phase stator windings is formed on the outer peripheral side of the stator core 51 compared to the second set of three-phase stator windings. In addition, the welded portions between the coil end portions 520 may also be coated with resin.

[0036] Figure 4 It is a perspective view showing a part of the wiring component 2 for a rotating electrical machine and a part of the linear portions 523 of a plurality of coil pieces 52 mounted on the stator core 51. Figure 5 Shows the wiring component 2 for a rotating electrical machine, (a) is an axial view, (b) is a circumferential view, and (c) is a perspective view.

[0037] The wiring component 2 for a rotating electric machine has six conductive wires and three terminals, and connects the first electrode 31 to the third electrode 33 of the terminal board 3 to the coil ends 520 of the coil pieces 52 of each phase respectively. As a wiring component for a rotating electric machine, it is well-known that a conductive wire is formed into a so-called slip ring in a ring shape. However, the wiring component 2 for a rotating electric machine in the present embodiment is different from a slip ring and is a non-ring-shaped wiring component in which the conductive wires are not formed into a ring shape. Moreover, the six conductive wires are highly rigid to the extent that they can maintain their own shapes.

[0038] The six conductive wires are composed of a first U-phase wire 21 and a second U-phase wire 22, a first V-phase wire 23 and a second V-phase wire 24, and a first W-phase wire 25 and a second W-phase wire 26. The three terminals are composed of a U-phase terminal 27, a V-phase terminal 28, and a W-phase terminal 29. The U-phase terminal 27 has a plate portion 271 connected to the first electrode 31 of the terminal board 3 and a riveting portion 272 that rivets the first U-phase wire 21 and the second U-phase wire 22 together. A bolt insertion hole 270 is formed in the plate portion 271, and the plate portion 271 is connected to the first electrode 31 by a bolt 34 (refer to Figure 2 ) inserted into the bolt insertion hole 270.

[0039] Similarly, the V-phase terminal 28 has a plate portion 281 connected to the second electrode 32 of the terminal board 3 and a riveting portion 282 that rivets the first V-phase wire 23 and the second V-phase wire 24 together. A bolt insertion hole 280 is formed in the plate portion 281, and the plate portion 281 is connected to the second electrode 32 by a bolt 35 (refer to Figure 2 ). And, similarly, the W-phase terminal 29 has a plate portion 291 connected to the third electrode 33 of the terminal board 3 and a riveting portion 292 that rivets the first W-phase wire 25 and the second W-phase wire 26 together. A bolt insertion hole 290 is formed in the plate portion 291, and the plate portion 291 is connected to the third electrode 33 by a bolt 36 (refer to Figure 2 ).

[0040] The first U-phase wire 21, the first V-phase wire 23, and the first W-phase wire 25 electrically connect the terminals 27, 28, 29 of each phase to the coil ends 520 of the coil pieces 52 at the ends of the U-phase, V-phase, and W-phase stator windings respectively, which correspond to the first set of three-phase stator windings. The second U-phase wire 22, the second V-phase wire 24, and the second W-phase wire 26 electrically connect the terminals 27, 28, 29 of each phase to the coil ends 520 of the coil pieces 52 at the ends of the U-phase, V-phase, and W-phase stator windings respectively, which correspond to the second set of three-phase stator windings.

[0041] The surfaces of the conductors 2M made of conductive metal of the first U-phase wire 21, the second U-phase wire 22, the first V-phase wire 23, the second V-phase wire 24, the first W-phase wire 25, and the second W-phase wire 26 are each covered with an insulating coating 2I. As the conductive metal, for example, copper or a copper alloy can be suitably used. As the coating 2I, an enamel coating can be suitably used. The conductor 2M is a single wire (a single metal conductor that is not a stranded wire). In the present embodiment, a round single wire having a circular cross-section is formed into a predetermined shape by stamping. Alternatively, the conductor 2M can be formed of a flat single wire having a rectangular cross-section.

[0042] Moreover, in the wiring component 2 for a rotating electrical machine, the first U-phase wire 21, the second U-phase wire 22, the first V-phase wire 23, the second V-phase wire 24, the first W-phase wire 25, and the second W-phase wire 26 are held by a first holding portion 201. The first holding portion 201 is a form of the holding portion of the present invention, and is formed by molding resin so as to cover the first U-phase wire 21, the second U-phase wire 22, the first V-phase wire 23, the second V-phase wire 24, the first W-phase wire 25, and the second W-phase wire 26 together. Also, the second V-phase wire 24 and the first W-phase wire 25 are held by a second holding portion 202. In addition, the first U-phase wire 21, the first V-phase wire 23, and the second W-phase wire 26 are held by a third holding portion 203. The first holding portion 201 to the third holding portion 203 are formed separately from each other, and the first holding portion 201 and the second holding portion 202 are connected by a connecting portion 204, and the first holding portion 201 and the third holding portion 203 are connected by a connecting portion 205. The first holding portion 201 to the third holding portion 203 and the connecting portions 204 and 205 are made of resin integrally formed by injection molding. The first holding portion 201 to the third holding portion 203 and the connecting portions 204 and 205 preferably have rigidity for holding the conductive wires, and for example, a material made of PPS (polyphenylene sulfide) can be used.

[0043] The first U-phase wire 21, the first V-phase wire 23, and the first W-phase wire 25 each have: protruding portions 211, 231, and 251 that extend axially from the first holding portion 201 and are respectively connected to the terminals 27, 28, and 29 of each phase; extending portions 212, 232, and 252 that extend from the first holding portion 201 in a direction perpendicular to the axial direction; axially extending portions 213, 233, and 253 that extend axially upward from the ends of the extending portions 212, 232, and 252; and connecting portions 214, 234, and 254 that are welded to the coil ends 520 of the coil pieces 52.

[0044] The connecting portions 214, 234, and 254 extend axially upward from the upper ends of the axially extending portions 213, 233, and 253, and are respectively welded to the coil ends 520 of the coil sheets 52 corresponding to the ends of the U-phase, V-phase, and W-phase stator windings of the first set of three-phase stator windings protruding axially from the stator core 51. Moreover, the first U-phase wire 21, the first V-phase wire 23, and the first W-phase wire 25 have their coating layers 2I removed in a predetermined length range including the connecting portions 214, 234, and 254, so that the conductor 2M is exposed.

[0045] The second U-phase wire 22, the second V-phase wire 24, and the second W-phase wire 26 have: extending portions 221, 241, and 261 that extend axially from the first holding portion 201 and are respectively connected to the terminals 27, 28, and 29 of each phase; extending portions 222, 242, and 262 that extend from the first holding portion 201 in a direction perpendicular to the axial direction; axially extending portions 223, 243, and 263 that extend axially upward from the ends of the extending portions 222, 242, and 262; radially extending portions 224, 244, and 264 that extend radially from the ends of the axially extending portions 223, 243, and 263 and face the inside of the stator core 51; and connecting portions 225, 245, and 265 that are bent circumferentially with respect to the radial direction along the circumferential direction of the stator core 51 and are welded to the coil ends 520 of the coil sheets 52.

[0046] The connecting portions 225, 245, and 265 extend circumferentially from the radially inner ends of the radially extending portions 224, 244, and 264, and are respectively welded to the coil ends 520 of the coil sheets 52 corresponding to the ends of the U-phase, V-phase, and W-phase stator windings of the second set of three-phase stator windings protruding axially from the stator core 51. Moreover, the second U-phase wire 22, the second V-phase wire 24, and the second W-phase wire 26 have their coating layers 2I removed in a predetermined length range including the connecting portions 225, 245, and 265, so that the conductor 2M is exposed. The connecting portions 225, 245, and 265 are bent from the radially inner ends of the radially extending portions 224, 244, and 264 toward the circumferential direction of the stator core 51 and extend circumferentially.

[0047] The connecting portions 225, 245, and 265 of the second U-phase wire 22, the second V-phase wire 24, and the second W-phase wire 26 are connected to the coil ends 520 at positions radially inner than the connecting portions 214, 234, and 254 of the first U-phase wire 21, the first V-phase wire 23, and the first W-phase wire 25 with respect to the stator core 51. The opposing surfaces of the connecting portions 214, 225, 234, 245, 254, and 265 that oppose the coil ends 520 are formed into planar shapes by stamping.

[0048] In the present embodiment, the welding of the connecting portions 214, 225, 234, 245, 254, 265 to the coil end portions 520 of the coil sheet 52 is performed by TIG (Tungsten Inert Gas) welding, which is one of the welding methods using arc discharge with an inert gas. During TIG welding, the stator 5 is fixed to the jig such that the coil end portions 520 project upward in the vertical direction from the stator core 51, and the electrode of the welding torch faces the coil end portions 520 in the axial direction.

[0049] Taking the second U-phase wire 22 and the first W-phase wire 25 as examples, as Figure 4 shown, during TIG welding, the coil end portions 520 project axially longer than the connecting portions 225, 254, and the coil end portions 520 of the parts that project axially more than the connecting portions 225, 254 are melted by the heat generated by the discharge and welded to the connecting portions 225, 254. The molten metal flowing down after the front end portions of the coil end portions 520 are melted contacts the upper side surface 225a of the connecting portion 226 of the second U-phase wire 22 and the upper surface 255a of the connecting portion 254 of the first W-phase wire 25. However, it is not limited thereto, and the axial positions of the front end surface of the coil end portion 520 and the upper side surface 225a of the connecting portion 225 and the upper surface 254a of the connecting portion 254 may also be the same. That is, the coil end portions 520 may not project axially compared to the connecting portions 225, 254.

[0050] The first holding portion 201 has a main body portion 201a that holds six conductive wires, and a plurality of protruding portions 201b to 201d that are provided to protrude from the main body portion 201 so as to cover the periphery of the conductive wires (extension portions 212, 222, 232, 242, 252, 262) extending from the main body portion 201a to the coil end portion 520 side. In the present embodiment, the first protruding portion 201b is provided so as to cover the periphery of the portion of the extension portion 222 that extends from the main body portion 201a. And the second protruding portion 201c is provided so as to cover the periphery of the portions of the extension portions 242, 252 that extend from the main body portion 201a together. In addition, the third protruding portion 201d is provided so as to cover the periphery of the portions of the extension portions 212, 232, 262 that extend from the main body portion 201a together. The respective protruding portions 201b to 201d are integrated with the main body portion 201a so as to protrude from the main body portion 201a in a direction perpendicular to the axial direction.

[0051] Further, the first holding portion 201 is provided with a plurality of terminal-side protruding portions 201e to 201g protruding from the main body portion 201a so as to cover the periphery of the conductive wires (the protruding portions 211, 221, 231, 241, 251, 261) extending from the main body portion 201a toward the terminals 27, 28, 29 of each phase. In the present embodiment, the first terminal-side protruding portion 201e is provided so as to cover the periphery of the protruding portions of the protruding portions 211 and 221 protruding from the main body portion 201a together. Further, the second terminal-side protruding portion 201f is provided so as to cover the periphery of the protruding portions of the protruding portions 231 and 241 protruding from the main body portion 201a together. In addition, the third terminal-side protruding portion 201g is provided so as to cover the periphery of the protruding portions of the protruding portions 251 and 261 protruding from the main body portion 201a together. Each of the terminal-side protruding portions 201e to 201g is integrally provided with the main body portion 201a so as to protrude in the axial direction from the main body portion 201a.

[0052] (Configuration structure of wiring component for rotating electrical machine)

[0053] As Figure 1 shown in (b) of Figure 6 and (a) and (b) of

[0054] The configuration structure 100 of the wiring component for a rotating electrical machine according to the present embodiment is configured such that a buffer member 101 made of an elastic body is provided between the first holding portion 201 and the stator core 51, and the first holding portion is fixed to the stator core 51 via the buffer member 101.

[0055] The buffer member 101 is composed of an elastic sheet-like member and serves to suppress the first holding portion 201 from repeatedly colliding with the stator core 51 due to vibration and being damaged. In order to absorb the swing of the first holding portion 201 caused by vibration, as the buffer member 101, it is preferable to use a member having flexibility, and a member made of a material softer than the stator core 51 and the first holding portion 201 as the fixed member can be used.

[0056] Also, during use, the surrounding temperature rises. Therefore, as the buffer member 101, it is preferably a member made of a material that can withstand high temperatures (e.g., 150°C to 200°C). Additionally, when the rotating electric machine 10 is an oil-cooled motor, it comes into contact with the cooling oil during use. Thus, as the buffer member 101, it is preferably a member with excellent oil resistance. Examples of materials that satisfy such characteristics include fluororubber, silicone rubber, acrylic rubber, hydrogenated nitrile rubber, etc.

[0057] Considering the elastic modulus and the like of the material used for the buffer member 101, the thickness of the buffer member 101 may be set to a thickness that can sufficiently suppress the influence of vibration on the first holding portion 201. Specifically, as the buffer member 101, when using a member made of rubber such as fluororubber, its thickness is preferably 0.5 mm or more and 5 mm or less, more preferably 1 mm or more and 2 mm or less.

[0058] In the present embodiment, the buffer member 101 has a main body protection portion 101a that covers the bottom surface of the main body portion 201a and first to third protrusion protection portions 101b to 101d that cover the bottom surfaces of the first to third protrusion portions 201b to 201d, and is provided to cover substantially the entire bottom surface of the first protection portion 201. In addition, the buffer member 101 may not be formed integrally. For example, the main body protection portion 101a and the first to third protrusion protection portions 101b to 101d may be separate.

[0059] The buffer member 101 is fixed to at least one of the first holding portion 201 and the stator core 51. In the present embodiment, it is configured such that one surface (upper surface) of the buffer member 101 is adhesively fixed to the bottom surface of the first holding portion 201 in advance, and the other surface (lower surface) of the buffer member 101 is adhesively fixed to the upper surface of the stator core 51 when installing the rotating electric machine wiring member 2. However, it is not limited thereto. It is also possible to adhesively fix the buffer member 101 to the upper surface of the stator core 51 in advance, and adhesively fix the first holding portion 201 and the buffer member 101 when installing the rotating electric machine wiring member 2.

[0060] Also, preferably, when installing the wiring component 2 for the rotating electric machine, by pressing the first holding portion 201 against the stator core 51 side, the buffer member 101 is deformed in a flattened manner. Thereby, the swaying of the first holding portion 201 caused by vibration is suppressed, and thus the damage to the first holding portion 201 due to vibration is further suppressed. In addition, since the buffer member 101 is held by pressing the first holding portion 201 against the stator core 51, the buffer member 101 can also be adhesively fixed only to one of the first holding portion 201 and the stator core 51. In addition, when the buffer member 101 is not fixed to both the first holding portion 201 and the stator core 51, there is a concern that the buffer member 101 may fall off due to position deviation caused by vibration or the like. Therefore, the buffer member 101 is preferably adhesively fixed to at least one of the first holding portion 201 and the stator core 51.

[0061] (Modification example)

[0062] In the present embodiment, the buffer member 101 is formed in a shape substantially the same as the bottom surface of the first holding portion 201, and the buffer member 101 is provided so as to cover substantially the entire bottom surface of the first holding portion 201. However, as shown in (a) and (b) of Figure 7 , the buffer member 101 may be provided so as to cover only a part of the bottom surface of the first holding portion 201. As shown in (a) of Figure 7 , the buffer member 101 may be provided at the central portion of the bottom surface of the first holding portion 201. Or as shown in (b) of Figure 7 , a plurality of buffer members 101 may be provided separately. Thereby, the usage amount of the buffer member 101 can be reduced, and thus the cost can be reduced. Figure 7 The methods of (a) and (b) of

[0063] are particularly applicable to the case where the buffer member 101 is pre-fixed to the first holding portion 201.

[0063] Also, as shown in (a) of Figure 8 , the buffer member 101 may be provided so as to protrude laterally from the bottom surface of the first holding portion 201. In this case, it is preferable to firmly fix the buffer member 101 to the stator core 51 so that the edge portion of the buffer member 101 not pressed by the first holding portion 201 is not peeled off due to the influence of vibration. In addition, in this case, the edge portion of the buffer member 101 can also be firmly fixed to the stator core 51 by screw fastening or the like. Figure 8 The method of (a) of

[0064] In addition, as shown in (a) of Figure 8As shown in FIG. (b), buffer members 102 and 103 are also provided between the second holding portion 202 and the third holding portion 203 and the stator core 51. Thereby, damage to the second holding portion 202 and the third holding portion 203 caused by vibration is suppressed. The buffer members 102 and 103 may be fixed to at least one of the second holding portion 202 and the third holding portion 203 and the stator core 51.

[0065] Moreover, in the present embodiment, the case where the buffer member 101 is provided on the upper surface of the stator core 51 has been described, but the following case is also considered: As Figure 9 shown, a step is provided on the bottom surface of the first holding portion 201, and the step surface 201h facing the side surface of the stator core 51 abuts against the side surface of the stator core 51, and the first holding portion 201 is provided so as to cover the corner portion of the stator core 51. In such a case, in order to suppress the collision between the first holding portion 201 and the side surface of the stator core 51 due to vibration, it is preferable to also provide a buffer member 101 between the step surface 201h and the side surface of the stator core 51, and it is preferable to provide the buffer member 101 on both the upper surface and the side surface of the stator core 51. Here, one buffer member 101 is provided over the upper surface and the side surface of the stator core 51, but the buffer member 101 provided on the upper surface of the stator core 51 and the buffer member 101 provided on the side surface of the stator core 51 may be separate.

[0066] Furthermore, in the present embodiment, the case where the sheet-like buffer member 101 is adhesively fixed to the first holding portion 201 and the stator core 51 has been described, but it is not limited thereto, and the buffer member 101 may be integrally formed with the first holding portion 201 by two-color molding. In two-color molding, the resin constituting the first holding portion 201 and the resin constituting the buffer member 101 may be made to flow into the mold to integrally form the first holding portion 201 and the buffer member 101.

[0067] Moreover, although not mentioned in the above embodiment, a resin molded article may be further provided so as to cover a part of the stator core 51, the coil piece 52, and the wiring member 2 for a rotating electric machine as the fixed member. In the present embodiment, since the first holding portion 201 is fixed to the stator core 51 as the fixed member via the buffer member 101, it is possible to suppress the positional deviation of the wiring member 2 for a rotating electric machine due to the resin pressure during the resin molding.

[0068] (Functions and Effects of the Embodiment)

[0069] As described above, in the configuration structure 100 of the wiring component for a rotating electric machine according to the present embodiment, a buffer member 101 made of an elastic body is provided between the first holding portion 201 and the stator core 51 as the fixed component, and the first holding portion 201 is disposed on the stator core 51 via the buffer member 101. Thus, even when a gap is generated between the first holding portion 201 and the stator core 51 due to manufacturing errors or the like, the buffer member 101 can fill the gap, thereby suppressing the case where the first holding portion 201 collides with the stator core 51 and is damaged.

[0070] (Summary of the embodiment)

[0071] Next, the technical idea grasped from the above-described embodiment will be described by citing the symbols in the embodiment. Among them, each symbol in the following description does not limit the components in the claims to the components specifically shown in the embodiment.

[0072] [1] A configuration structure 100 of a wiring component for a rotating electric machine, which disposes the wiring component 2 for a rotating electric machine on a fixed component. The wiring component 2 for a rotating electric machine has a plurality of conductive wires 21 to 26 and connects the coil ends 520 of the stator 5 in the rotating electric machine 1 and the electrodes 31 to 33 of the terminal board 3. Among them, the wiring component 2 for a rotating electric machine includes a holding portion 201 that holds the plurality of conductive wires 21 to 26, and the holding portion 201 is molded with resin so as to cover the plurality of conductive wires 21 to 26 together. A buffer member 101 made of an elastic body is provided between the holding portion 201 and the fixed component, and the holding portion 201 is disposed on the fixed component via the buffer member 101.

[0073] [2] According to the configuration structure 100 of the wiring component for a rotating electric machine described in [1], the buffer member 101 is made of a material softer than the holding portion 201.

[0074] [3] According to the configuration structure 100 of the wiring component for a rotating electric machine described in [1] or [2], the buffer member 101 is fixed to at least one of the holding portion 201 and the fixed component.

[0075] [4] According to the configuration structure 100 of the wiring component for a rotating electric machine described in [3], the buffer member 101 is composed of a sheet-like member adhesively fixed to at least one of the holding portion 201 and the fixed component.

[0076] [5] According to the configuration structure 101 of the wiring component for a rotating electric machine described in [3], the buffer member 101 is integrally formed with the holding portion 201.

[0077] [6]The configuration structure 100 of the wiring component for a rotating electrical machine according to any one of [1] to [5], wherein the fixed component is the stator core 51 or the housing of the rotating electrical machine 1.

[0078] As described above, embodiments of the present invention have been described, but the described embodiments do not limit the invention of the claims. Also, it should be noted that all combinations of features described in the embodiments are not necessarily limited to the solutions necessary for solving the problems of the invention. In addition, the present invention can be appropriately modified and implemented without departing from its gist.

Claims

1. A configuration structure of a wiring component for a rotating electric machine, which configures the wiring component for a rotating electric machine on a fixed component. The wiring component for a rotating electric machine has a plurality of conductive wires and connects the coil ends of a stator in the rotating electric machine to the electrodes of a terminal board. It is characterized in that the wiring component for a rotating electric machine includes a holding portion that holds the plurality of conductive wires. The holding portion is molded from resin so as to cover the plurality of conductive wires together. A buffer member made of an elastomer is provided between the holding portion and the fixed component, and the holding portion is configured on the fixed component via the buffer member. The holding portion includes: a main body portion that holds the plurality of conductive wires; and a plurality of protruding portions that are protrudingly provided from the main body portion to cover the portions where the plurality of conductive wires extend from the main body portion toward the coil ends. The buffer member includes a main body portion protection portion that covers the bottom surface of the main body portion and a protruding portion protection portion that covers the bottom surfaces of the plurality of protruding portions.

2. The configuration structure of the wiring component for a rotating electric machine according to claim 1, characterized in that the buffer member is made of a material softer than the holding portion.

3. The configuration structure of the wiring component for a rotating electric machine according to claim 1 or 2, characterized in that the buffer member is fixed to at least one of the holding portion and the fixed component.

4. The configuration structure of the wiring component for a rotating electric machine according to claim 3, characterized in that the buffer member is formed of a sheet-like member adhesively fixed to at least one of the holding portion and the fixed component.

5. The configuration structure of the wiring component for a rotating electric machine according to claim 3, characterized in that the buffer member is integrally formed with the holding portion.

6. The configuration structure of the wiring component for a rotating electric machine according to any one of claims 1, 2, 4, and 5, characterized in that the fixed component is a stator core or a housing of the rotating electric machine.

7. The configuration structure of the wiring component for a rotating electric machine according to claim 3, characterized in that the fixed component is a stator core or a housing of the rotating electric machine.

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