Wiring component for rotating electrical machine, its fixing structure, and rotating electrical machine

Abstract

The present invention provides a wiring component for a rotating electrical machine, a fixing structure thereof, and a rotating electrical machine, which can suppress damage caused by vibration. The wiring component (1) for a rotating electrical machine has a plurality of conductors (2) and connects the coil ends (113) of a stator (11) in the rotating electrical machine (10) and the electrodes of a terminal block, and includes a holding portion (3) for holding the plurality of conductors (2), and the holding portion (3) has an adhesive portion (33) adhesively fixed to a component to be fixed.

Description

Technical Field

[0001] The present invention relates to a wiring component for a rotating electric machine, a fixing structure for the wiring component for a rotating electric machine, and a rotating electric machine. Background Art

[0002] A wiring component for a rotating electric machine that connects the coil ends of a stator in a rotating electric machine and the electrodes of a terminal block is known. As such a wiring component for a rotating electric machine, a structure including a plurality of wires and a holding portion that holds the plurality of wires is known (for example, refer to Patent Document 1).

[0003] Existing Patent Documents

[0004] Patent Document 1: Japanese Unexamined Patent Application Publication No. 2015-133873

[0005] In the wiring component for a rotating electric machine described in Patent Document 1, since the holding portion is not fixed to the surrounding components, there is a possibility that the holding portion swings and damages the connection portion between the wire and the coil end, or the holding portion repeatedly collides with the stator core and damages the holding portion when vibration is applied. In particular, in the wiring component for a rotating electric machine used in a rotating electric machine mounted on a vehicle, due to the influence of both the vibration of the cable connected to the electrode of the terminal block and the vibration of the rotating electric machine, vibration countermeasures for suppressing damage caused by vibration are required. Summary of the Invention

[0006] Therefore, an object of the present invention is to provide a wiring component for a rotating electric machine, a fixing structure for the wiring component for a rotating electric machine, and a rotating electric machine that can suppress damage caused by vibration.

[0007] The present invention aims to solve the above problems and provides a wiring component for a rotating electric machine, which has a plurality of wires, connects the coil ends of a stator in a rotating electric machine and the electrodes of a terminal block, and includes a holding portion that holds the plurality of wires, and the holding portion has an adhesive portion that is adhesively fixed to a fixed component.

[0008] In addition, the present invention aims to solve the above problems and provides a fixing structure for a wiring component for a rotating electric machine, which fixes a wiring component for a rotating electric machine having a plurality of wires and connecting the coil ends of a stator in a rotating electric machine and the electrodes of a terminal block to a fixed component, and the wiring component for a rotating electric machine includes a holding portion that holds the plurality of wires, and the holding portion is adhesively fixed to the fixed component.

[0009] In addition, the present invention aims to solve the above problems and provides a rotating electrical machine including a stator having a stator core and a plurality of coil segments adhesively fixed to the stator core, and a wiring component for the rotating electrical machine. The fixed component is the stator core, and the adhesives for adhesively fixing the plurality of coil segments to the stator core and for adhesively fixing the holding portion to the stator core are made of the same material.

[0010] The effects of the present invention are as follows.

[0011] According to the present invention, it is possible to provide a wiring component for a rotating electrical machine, a fixing structure for the wiring component for a rotating electrical machine, and a rotating electrical machine that can suppress damage caused by vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 (a) is a perspective view when a wiring component for a rotating electrical machine according to an embodiment of the present invention is mounted on a stator core, and (b) is an enlarged view of the main part of (a).

[0013] Figure 2 It is a top view of the stator core and the wiring component for a rotating electrical machine.

[0014] Figure 3 It is a perspective view of the wiring component for a rotating electrical machine.

[0015] Figure 4 It is a perspective view of the wiring component for a rotating electrical machine.

[0016] Figure 5 It is a perspective view of the wiring component for a rotating electrical machine.

[0017] Figure 6 It is a cross-sectional view showing the bonding portion.

[0018] Figure 7 (a) and (b) are views showing a modified example of the bonding portion.

[0019] Figure 8 (a) and (b) are views showing a modified example of the bonding portion.

[0020] In the drawings: 1 - Wiring component for a rotating electrical machine; 2 - Conductive wire; 3 - Holding portion; 31 - Bracket; 32 - Resin molding portion; 321 - Batch molding portion (resin molding portion); 33 - Bonding portion; 330 - Adhesive; 331 - Introduction hole; 332 - Adhesive filling portion; 333 - Air hole; 4 - Terminal; 5 - Connection portion; 10 - Rotating electrical machine; 11 - Stator; 111 - Stator core (fixed component); 112 - Coil segment; 113 - Coil end. DETAILED DESCRIPTION OF THE INVENTION

[0021] [Embodiment]

[0022] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

[0023] Figure 1 (a) is a perspective view when a wiring component for a rotating electrical machine according to an embodiment of the present invention is mounted on a stator core. Figure 1 (b) is Figure 1 an enlarged view of the main part of (a). Figure 2 is a top view of the stator core and the wiring component for the rotating electrical machine. The rotating electrical machine 10 using the wiring component 1 for the rotating electrical machine according to this embodiment is mounted on an electrically driven vehicle such as an electric vehicle or a so-called hybrid vehicle. In the following description, the case where the rotating electrical machine 10 is used as a motor will be described, but the rotating electrical machine 10 can also be used as a generator.

[0024] The rotating electrical machine 10 includes a rotor (rotating member), which is not shown, and a stator (fixed member) 11 disposed so as to surround the rotor. The rotor is formed by embedding a plurality of magnets in a rotor core made of a soft magnetic metal and rotates together with a shaft inserted through the central portion. The stator 11 has a stator core 111 formed of a soft magnetic metal and a plurality of coil segments 112.

[0025] In the following description, the direction parallel to the rotation axis of the shaft is referred to as the axial direction, the direction passing through the rotation axis and perpendicular to the rotation axis 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. In addition, in the following description, for the sake of convenience, the side on which the wiring component 1 for the rotating electrical machine is disposed among the two axial sides of the stator core 111 is referred to as the upper side, and the opposite side is referred to as the lower side. However, the upper side and the lower side do not specifically refer to the up and down in the vertical direction in the state of being mounted on a vehicle.

[0026] The stator core 111 integrally has a cylindrical rear yoke 111a and a plurality of teeth 111b protruding radially inward from the rear yoke 111a (see Figure 2 ). Slots 111c are formed between the teeth 111b adjacent to each other in the circumferential direction.

[0027] Each coil piece 112 is received and held in the slot 111c of the stator core 111. Further, the coil piece 112 is composed of a conductive metal 112M having good electrical conductivity such as copper or aluminum, and an electrically insulating coating layer 112I covering the surface of the conductive metal 112M. In the present embodiment, the conductive metal 112M is a flat single wire having a rectangular cross-section, and the coating layer 112I is made of enameled wire. In the coil end 113 which is the end of the coil piece 112, the coating layer 112I is removed to expose the conductive metal 112M. The coil pieces 112 are welded to each other at the coil ends 113 to form two sets of three-phase (U-phase, V-phase, and W-phase) stator coils whose electric angular phases deviate from a predetermined angle.

[0028] Each coil piece 112 is adhesively fixed to the stator core 111 by an adhesive (varnish) that flows into the slot 111c and cures. As the adhesive used for fixing the coil piece 112, a material having heat resistance that does not lose its adhesive force due to the heat of the rotating electric machine 10 is preferably used, and a thermosetting resin can be used. Examples of the thermosetting resin used as the adhesive include epoxy resin, phenolic resin, melamine resin, urea resin, unsaturated polyester resin, alkyd resin, etc. By adhesively fixing each coil piece 112 to the stator core 111, the sliding friction of the coil piece 112 caused by vibration can be suppressed.

[0029] Further, the rotating electric machine 10 has a housing (not shown) that houses the stator 11, and a terminal block (not shown) fixed to the housing. The terminal block has three electrodes for supplying three-phase alternating current from a controller. The terminal block is fixed to the housing, for example.

[0030] Moreover, the rotating electric machine 10 includes the wiring component 1 for a rotating electric machine of the present embodiment. The wiring component 1 for a rotating electric machine is a component for connecting the coil ends 113 of the stator 11 and the electrodes of the terminal block. In the present embodiment, the wiring component 1 for a rotating electric machine is adhesively fixed to the upper surface of the stator core 111 which is a fixed component. Hereinafter, the details of the wiring component 1 for a rotating electric machine will be described.

[0031] (Wiring Component 1 for Rotating Electric Machine)

[0032] Figures 3 to 5 is a perspective view of the wiring component 1 for a rotating electric machine. The wiring component 1 for a rotating electric machine includes a plurality of wires 2 and a holding portion 3 that holds the plurality of wires 2.

[0033] In this embodiment, the wiring component 1 for a rotating electric machine includes six wires 2 and three terminals 4, which are respectively connected to three electrodes of a terminal block and the coil ends 113 of the coil segments 112 of each phase. Further, as a wiring component for a rotating electric machine, a so-called bus bar loop in which wires are formed in a ring shape is known. The wiring component 1 for a rotating electric machine in this embodiment is a non-ring-shaped wiring component in which the wires 2 are not formed in a ring shape, different from the bus bar loop. In addition, the rigidity of the six wires 2 is high enough to maintain their own shapes.

[0034] The six wires 2 are composed of first and second U-phase leads 21 and 22, first and second V-phase leads 23 and 24, and first and second W-phase leads 25 and 26. Each wire 2 includes a conductor 2M made of a conductive metal and an electrically insulating coating 2I covering the surface of the conductor 2M. As the conductive metal, copper or a copper alloy can be appropriately used. The conductor 2M is a single wire (a single metal conductor that is not a stranded wire). In this embodiment, a round single wire having a circular cross-sectional shape is formed into a predetermined shape by stamping. However, the conductor 2M can be formed of a flat single wire having a rectangular cross-sectional shape.

[0035] The three terminals 4 are composed of a U-phase terminal 41, a V-phase terminal 42, and a W-phase terminal 43. The U-phase terminal 41 has a plate portion 411 connected to the U-phase electrode in the terminal block and a crimping portion 412 that crimps together one ends of the first and second U-phase leads 21 and 22. A bolt insertion hole 410 is formed in the plate portion 411, and the plate portion 411 is connected to the U-phase electrode in the terminal block by a bolt (not shown) inserted through the bolt insertion hole 410. Similarly, the V-phase terminal 42 has a plate portion 421 connected to the V-phase electrode in the terminal block and a crimping portion 422 that crimps together one ends of the first and second V-phase leads 23 and 24. A bolt insertion hole 420 is formed in the plate portion 421, and the plate portion 421 is connected to the V-phase electrode in the terminal block by a bolt (not shown) inserted through the bolt insertion hole 420. Also similarly, the W-phase terminal 43 has a plate portion 431 connected to the W-phase electrode in the terminal block and a crimping portion 432 that crimps together one ends of the first and second W-phase leads 25 and 26. A bolt insertion hole 430 is formed in the plate portion 431, and the plate portion 431 is connected to the W-phase electrode in the terminal block by a bolt (not shown) inserted through the bolt insertion hole 430.

[0036] At the other end of each wire 2 (the end opposite to the terminal 4), the coating 2I is removed within a predetermined length range to provide a connection portion 5 where the conductor 2M is exposed. The connection portion 5 is welded to the coil end 113 of the corresponding coil segment 112 by TIG (Tungsten Inert Gas) welding, which is one of the welding methods using arc discharge with an inert gas. Further, the opposing surface of the connection portion 5 to the coil end 113 becomes flat by stamping.

[0037] The holding part 3 has a plurality of brackets 31 that hold each wire 2 in a predetermined wiring shape, and a resin molding part 32 that molds resin so as to cover a part of the plurality of brackets 31. The plurality of brackets 31 are arranged to sandwich the wire 2 from above and below. The plurality of brackets 31 suppress the displacement of the wire 2 due to the resin pressure during the molding of the resin molding part 32, and function to hold the wire 2 in a predetermined wiring shape. In addition, the resin molding part 32 is arranged at a plurality of locations (here, seven locations) so as to cover a part of the plurality of brackets 31 and a part of the wire 2 sandwiched by the brackets 31, and functions to integrate the plurality of brackets 31.

[0038] Moreover, the resin molding part 32 can be arranged so as to cover the whole of the plurality of brackets 31. In this case, since the wire 2 is covered with resin over a wide range, there is a possibility that the heat dissipation property of the heat generated in the wire 2 will deteriorate. As in the present embodiment, since the resin molding part 32 is arranged so as to cover only a part of the plurality of brackets 31 and the plurality of resin molding parts 32 are formed at intervals, the plurality of brackets 31 can be integrated with sufficient strength, and the exposed portion of the wire 2 can be increased to improve the heat dissipation property of the heat generated in the wire 2.

[0039] In order for the bracket 31 and the resin molding part 32 to be integrally melted during the molding of the resin molding part 32, the bracket 31 and the resin molding part 32 are preferably formed of the same material. In addition, as the bracket 31 and the resin molding part 32, a material having rigidity is preferably used to hold the wire 2. Specifically, a material formed of PPS (polyphenylene sulfide) can be used as the bracket 31 and the resin molding part 32.

[0040] At least a part (one location in the illustrated example) of the resin molding parts 32 arranged at a plurality of locations is arranged so as to cover all of the six wires 2 at once. Hereinafter, the resin molding part 32 that covers the plurality of wires 2 at once is collectively referred to as a batch molding part 321. The batch molding part 321 is a resin molding part 32 formed at the position closest to the terminal 4 in the longitudinal direction of each wire 2 among the plurality of resin molding parts 32.

[0041] (Adhesive part)

[0042] As Figures 4 to 6As shown, in the wiring component 1 for a rotating electric machine according to the present embodiment, the holding portion 3 has an adhesive portion 33 adhesively fixed to the stator core 111 as the component to be fixed. That is, the fixing structure of the wiring component for a rotating electric machine according to the present embodiment is a structure in which the holding portion 3 is adhesively fixed to the component to be fixed. Here, the case where the component to be fixed is the stator core 111 is described, but it is not limited thereto. For example, the component to be fixed may also be the housing that houses the stator 11. In addition, the component to be fixed may be an insulating plate or a metal plate disposed on the stator core 111.

[0043] By adhesively fixing the holding portion 3 to the stator core 111 as the component to be fixed, it is possible to suppress the swinging of the wiring component 1 for a rotating electric machine due to vibration, and it is possible to suppress the swinging of the holding portion 3 from damaging the connection portion between the wire 2 and the coil end 113, and the case where the holding portion 3 repeatedly collides with the stator core 111 to damage the holding portion 3.

[0044] In the present embodiment, the adhesive portion 33 is fixed to the stator core 111 by an adhesive 330. The adhesive portion 33 has an introduction hole 331 for introducing the adhesive 330 to the interface between the adhesive portion 33 and the stator core 111. As the adhesive 330, it is preferably an adhesive having heat resistance that does not lose its adhesive force due to the heat of the rotating electric machine 10, and a thermosetting resin can be used. In addition, as the adhesive 330, it is more preferably an adhesive having the same material as the adhesive used for fixing the coil sheet 112 to the stator core 111. Thus, when the adhesive flows into the slot 111c of the stator core 111, the adhesive 330 also flows into the introduction hole 331, and the two operations of adhesively fixing the coil sheet 112 of the stator core 111 and adhesively fixing the wiring component 1 for a rotating electric machine are performed substantially simultaneously, which can simplify the operation. And it is also possible to consider previously applying the adhesive 330 on the bottom surface of the adhesive portion 33. In this case, when fixing the position of the wiring component 1 for a rotating electric machine before welding the connection portion 5 of the wire 2, there is a possibility that the adjustment of the welding position is difficult. In addition, as described above, since the application of the adhesive 330 to the adhesive portion 33 needs to be performed by an operation different from the adhesive operation of the coil sheet 112, it takes time in the operation. As in the present embodiment, by having a structure in which the adhesive 330 is introduced from the introduction hole 331, the welding operation to the coil end 113 of the connection portion 5 of the wire 2 can be made easy, and the wiring component 1 for a rotating electric machine can be easily adhesively fixed to the stator core 111.

[0045] In addition, in the present embodiment, the bonding portion 33 has an adhesive filling portion 332 formed in a concave shape on the bottom surface of the bonding portion 33, and the introduction hole 331 is configured to introduce the adhesive 330 into the adhesive filling portion 332. Thereby, the amount of the adhesive 330 filled between the bonding portion 33 and the stator core 111 can be ensured, and the bonding portion 33 can be more firmly bonded and fixed to the stator core 111. The depth of the adhesive filling portion 332 only needs to be such that an enough amount of the adhesive 330 can be filled in the fixing of the bonding portion 33, and is preferably 1 mm or more.

[0046] In the illustrated example, a case where four bonding portions 33 are provided is shown. Specifically, in the present embodiment, four adhesive filling portions 332 are formed on the bottom surface of the bracket 31 disposed on the lowermost side (stator core 111 side), and four introduction holes 331 that open upward (opposite side to the bottom surface) and can introduce the adhesive 330 into each adhesive filling portion 332 are formed. By forming a plurality of bonding portions 33, the wiring component 1 for a rotating electric machine can be more firmly fixed to the stator core 111. In addition, since the adhesive 330 can be easily introduced into the introduction hole 331 by forming the introduction hole 331 to open upward. Also, the bonding portion 33 (introduction hole 331 and adhesive filling portion 332) can be formed on the resin molding portion 32, but since the metal mold used at the time of molding is complicated, it is more preferable to form the introduction hole 331 and the adhesive filling portion 332 in advance on the bracket 31 that can be easily formed into a complicated shape.

[0047] The bonding portion 33 is preferably provided on the extending side (center axis side of the stator core 111) of the plurality of wires 2 connected to the coil end 113 side rather than the mass molding portion 321. Thereby, an increase in the size of the wiring component 1 for a rotating electric machine due to the provision of the bonding portion 33 can be suppressed. In addition, since there is a case where it becomes difficult to store the stator core 111 in the housing if the adhesive 330 adheres to the outer peripheral surface of the stator core 111, it is necessary to suppress the leakage of the adhesive 330 to the outer peripheral side of the stator core 111. However, by providing the bonding portion 33 on the center axis side of the stator core 111 rather than the mass molding portion 321, the adhesive 330 hardly leaks to the outer peripheral side of the stator core 111.

[0048] Moreover, in the holding portion 3, since the vicinity of the mass molding portion 321 is the heaviest, it is desirable to provide the bonding portion 33 at least in the vicinity of the mass molding portion 321. In addition, in the bonding portion 33 provided closest to the mass molding portion 32, in order to suppress the peeling of the mass molding portion 321 against vibration, it is desirable to maximize the adhesive force as much as possible. Therefore, in the present embodiment, the adhesive filling portion 332 of the bonding portion 33 provided closest to the mass molding portion 321 is made the largest (the opening area and the volume of the adhesive filling portion 332 are made the largest).

[0049] (Manufacturing method of rotary electric machine 10)

[0050] When manufacturing the rotary electric machine 10, first, coil pieces 112 are inserted into the slots 111c of the stator core 111, and the coil pieces 112 on the side of the coil ends 113 are subjected to twisting processing to arrange the shapes of the coil pieces 112. Then, the connecting portions 5 of the respective wires 2 in the wiring component 1 for the rotary electric machine are welded to the corresponding coil ends 113 by TIG welding.

[0051] Then, an adhesive is made to flow into the slots 111c of the stator core 111, and the adhesive 330 is made to flow into the adhesive filling portion 332 through the introduction hole 331. The stator 11 and the wiring component 1 for the rotary electric machine are placed in a thermostat for heating to thermally harden the adhesive 330. Thus, the coil pieces 112 are adhesively fixed to the stator core 111, and the wiring component 1 for the rotary electric machine is adhesively fixed to the stator core 111. The stator 11 to which the wiring component 1 for the rotary electric machine is adhesively fixed is housed in the housing, the terminals 4 of the respective wires 2 are connected to the corresponding electrodes of the terminal block, and if a rotor manufactured by other means is housed in the stator 11, the rotary electric machine 10 can be obtained.

[0052] (Modification example)

[0053] In the above-described embodiment, the adhesive filling portion 332 is formed on the holding portion 3. As shown in Figure 7 (a), a concave adhesive filling portion 332 can be formed on the upper surface of the stator core 111 as the fixed component. Further, as shown in Figure 7 (b), the adhesive filling portion 332 can be formed on both the holding portion 3 and the stator core 111.

[0054] In addition, although not mentioned in the above-described embodiment, as shown in Figure 8 (a), when filling the adhesive 330 into the adhesive filling portion 332, an air hole 333 for releasing the air in the adhesive filling portion 332 can be provided. Thereby, it is possible to suppress poor filling of the adhesive 330 caused by the air in the adhesive filling portion 332 not being discharged. And in Figure 8 (a), the air hole 333 is provided so as to open upward, but the air hole 333 can be provided so as to open sideways (in a direction perpendicular to the axial direction). However, in this case, in order to suppress the leakage of the adhesive 330 from the air hole 333 to the outer peripheral side of the stator core 111, it is preferable to form the air hole 333 so as to open radially inward. The air hole 333 can also be provided on the stator core 111.

[0055] Moreover, in the above-described embodiment, the introduction hole 331 is formed so as to open upward, but as shown in Figure 8(As shown in (b), for example, the introduction hole 331 can be formed to open laterally (in a direction perpendicular to the axial direction). In this case, in order to suppress the leakage of the adhesive 330 to the outer peripheral side of the stator core 111 when the adhesive enters the introduction hole 331, it is preferable to form the introduction hole 331 to open radially inward. Further, from the viewpoint of facilitating the introduction of the adhesive 330, it is more preferable to form the introduction hole 331 to open upward.)

[0056] In addition, although not mentioned in the above embodiment, a resin molded part may be further provided so as to cover a part of the stator core 111, the coil piece 112, and the wiring component 1 for the rotating electric machine, which are the components to be fixed. In this embodiment, since the holding part 3 is adhesively fixed to the stator core 111 which is the component to be fixed, it is possible to suppress the positional deviation of the wiring component 1 for the rotating electric machine due to the resin pressure during the resin molding.)

[0057] (Function and effect of the embodiment)

[0058] As described above, in the wiring component 1 for the rotating electric machine of this embodiment, the holding part 3 that holds a plurality of wires 2 is provided, and the holding part 3 has an adhesive part 33 that is adhesively fixed to the component to be fixed (here, the stator core 111).)

[0059] Accordingly, since the wiring component 1 for the rotating electric machine is adhesively fixed to the component to be fixed (here, the stator core 111), it is possible to suppress the situation where the connection part between the wire 2 and the coil end 113 is damaged due to the swing of the holding part 3 caused by vibration, and the holding part 3 repeatedly collides with the stator core 111 to damage the holding part 3.)

[0060] (Summary of the embodiment)

[0061] Next, the technical idea grasped from the above-described embodiment is described by referring to the symbols in the embodiment. However, each symbol etc. in the following description is not limited to the component etc. that specifically represents the constituent element in the technical solution in the embodiment.)

[0062] [1] A wiring component 1 for a rotating electric machine, having a plurality of wires 2, connecting the coil ends 113 of the stator 11 in the rotating electric machine 10 and the electrodes of the terminal block, and including a holding part 3 that holds the plurality of wires 2, wherein the holding part 3 has an adhesive part 33 that is adhesively fixed to the component to be fixed.)

[0063] [2] The wiring component 1 for a rotating electric machine according to [1], wherein the adhesive part 33 has an introduction hole 331 for introducing an adhesive 330 to the interface between the holding part 3 and the component to be fixed.)

[0064] [3]For the wiring component 1 for a rotating electric machine according to [2], the bonding portion 33 has an adhesive filling portion 332 formed in a concave shape on the bottom surface of the holding portion 3, and the introduction hole 331 is configured to be able to introduce the adhesive 330 into the adhesive filling portion 332.

[0065] [4]For the wiring component 1 for a rotating electric machine according to any one of [1] to [3], the holding portion 3 includes a plurality of brackets 31 that hold the wire 2 in a wiring shape, and a resin molding portion 32 that molds resin so as to cover a part of the plurality of brackets 31 and integrates the plurality of brackets 31, and the bonding portion 33 is provided on the bracket 31.

[0066] [5]For the wiring component 1 for a rotating electric machine according to [4], the holding portion 3 includes the resin molding portion 321 provided so as to cover the plurality of wires 2 together, and the bonding portion 33 is provided on the extension side of the plurality of wires 2 that are connected to the coil end 113 of the stator 11 in the rotating electric machine 10 and are closer to the resin molding portion 321.

[0067] [6]A fixing structure for a wiring component for a rotating electric machine, which fixes the wiring component 1 for a rotating electric machine having a plurality of wires 2 and connecting the coil end 113 of the stator 11 in the rotating electric machine 10 and the electrode of the terminal block to a component to be fixed. The wiring component 1 for a rotating electric machine includes a holding portion 3 that holds the plurality of wires 2, and the holding portion 3 is adhesively fixed to the component to be fixed.

[0068] [7]For the fixing structure for a wiring component for a rotating electric machine according to [6], a concave adhesive filling portion 332 for filling the adhesive 330 is provided on the bottom surface of the holding portion 3, or on one or both of the components to be fixed. The holding portion 3 is adhesively fixed to the component to be fixed by the adhesive 330 filled in the adhesive filling portion 332.

[0069] [8]For the fixing structure for a wiring component for a rotating electric machine according to [7], an introduction hole 331 that opens to the side opposite to the bottom surface and is used to introduce the adhesive 330 into the adhesive filling portion 332 is formed on the holding portion 3.

[0070] [9]For the fixing structure for a wiring component for a rotating electric machine according to [7] or [8], the adhesive 330 is a thermosetting resin.

[0071]

[10] A rotary electric machine 10 includes a stator 11 having a stator core 111 and a plurality of coil segments 112 adhesively fixed to the stator core 111, and includes the wiring component 1 for a rotary electric machine according to any one of [1] to [5]. The fixed component is the stator core 111, and the adhesive for adhesively fixing the plurality of coil segments 112 to the stator core 111 and the adhesive 330 for adhesively fixing the holding portion 3 to the stator core 111 are made of the same material.

[0072] As described above, embodiments of the present invention have been described. However, the above-described embodiments do not limit the invention related to the technical solution. It should also be noted that not all combinations of all the features described in the embodiments are necessarily essential for the method of solving the invention problem.

[0073] The present invention can be appropriately modified and implemented without departing from its gist. For example, in the above embodiment, the adhesive 33 is adhesively fixed to the stator core 111 by the adhesive 330, but this is not limited thereto. A double-sided tape, a sheet-like adhesive tape, etc. can be used to adhesively fix the adhesive portion 33 to the stator core 111.

[0074] In addition, in the above embodiment, the case where the adhesive used for fixing the coil segment 112 and the adhesive 330 used for fixing the wiring component 1 for a rotary electric machine are the same substance has been described. However, this is not limited thereto, and the adhesive used for fixing the coil segment 112 and the adhesive 330 used for fixing the wiring component 1 for a rotary electric machine may be different substances.

Claims

1. A wiring component for a rotating electric machine, which connects the coil ends of a stator in a rotating electric machine and the electrodes of a terminal block, the rotating electric machine including a rotor, the wiring component for a rotating electric machine being characterized in that it comprises: a plurality of wires; and a holding portion for holding the plurality of wires, the holding portion having an adhesive portion adhesively fixed to a fixed component, the adhesive portion having an introduction hole for introducing an adhesive into the interface between the holding portion and the fixed component, the introduction hole penetrating a part of the adhesive portion in a facing direction, in which the adhesive portion and the fixed component face each other in the rotational axis direction of the rotor.

2. The wiring component for a rotating electric machine according to claim 1, characterized in that the adhesive portion has an adhesive filling portion formed in a concave shape on the bottom surface of the holding portion, and the introduction hole is configured to be able to introduce the adhesive into the adhesive filling portion.

3. The wiring component for a rotating electric machine according to claim 1 or 2, characterized in that the holding portion has a plurality of brackets for holding the wires in a wiring shape and a resin molding portion that molds resin so as to cover a part of the plurality of brackets and integrates the plurality of brackets, the adhesive portion is provided on the bracket.

4. The wiring component for a rotating electric machine according to claim 3, characterized in that the holding portion has the resin molding portion provided so as to cover the plurality of wires together, the adhesive portion is provided on the extension side of the plurality of wires on the side connected to the coil ends, which is closer to the resin molding portion.

5. A fixing structure for a wiring component for a rotating electric machine, which fixes a wiring component for a rotating electric machine having a plurality of wires and connecting the coil ends of a stator in a rotating electric machine and the electrodes of a terminal block to a fixed component, the rotating electric machine including a rotor, the fixing structure for a wiring component for a rotating electric machine being characterized in that the wiring component for a rotating electric machine has a holding portion for holding the plurality of wires, the holding portion having an adhesive portion adhesively fixed to the fixed component, the adhesive portion having an introduction hole for introducing an adhesive into the interface between the holding portion and the fixed component, the introduction hole penetrating a part of the adhesive portion in a facing direction, in which the adhesive portion and the fixed component face each other in the rotational axis direction of the rotor.

6. The fixing structure for a wiring component for a rotating electric machine according to claim 5, characterized in that a concave adhesive filling portion for filling the adhesive is provided on one or both of the bottom surface of the holding portion and the fixed component, the holding portion is adhesively fixed to the fixed component by the adhesive filled in the adhesive filling portion.

7. The fixing structure for a wiring component for a rotating electric machine according to claim 6, characterized in that an introduction hole that opens to the side opposite to the bottom surface and is used for introducing the adhesive into the adhesive filling portion is formed on the holding portion.

8. The fixing structure for a wiring component for a rotating electric machine according to claim 6 or 7, characterized in that the adhesive is a thermosetting resin.

9. A rotating electric machine includes a stator having a stator core and a plurality of coil segments adhesively fixed to the stator core. The rotating electric machine is characterized in that it includes the wiring component for a rotating electric machine according to any one of claims 1 to 4, the fixed component is the stator core, the adhesive for adhesively fixing the plurality of coil segments to the stator core and the adhesive for adhesively fixing the holding portion to the stator core are made of the same material.

Images