WO2017026412A1 - モータ - Google Patents
モータ Download PDFInfo
- Publication number
- WO2017026412A1 WO2017026412A1 PCT/JP2016/073186 JP2016073186W WO2017026412A1 WO 2017026412 A1 WO2017026412 A1 WO 2017026412A1 JP 2016073186 W JP2016073186 W JP 2016073186W WO 2017026412 A1 WO2017026412 A1 WO 2017026412A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bus bar
- coil end
- end connection
- main body
- coil
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
- H02K3/505—Fastening of winding heads, equalising connectors, or connections thereto for large machine windings, e.g. bar windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/0056—Manufacturing winding connections
- H02K15/0068—Connecting winding sections; Forming leads; Connecting leads to terminals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/325—Windings characterised by the shape, form or construction of the insulation for windings on salient poles, such as claw-shaped poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/09—Machines characterised by wiring elements other than wires, e.g. bus rings, for connecting the winding terminations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
Definitions
- the present invention relates to a motor.
- the conductive member disclosed in Patent Document 1 includes a strip-shaped conductive portion, an arm portion extending from the strip-shaped conductive portion, and a hook-shaped coil connection terminal that is integrated with the arm portion and located at the distal end portion of the arm portion. Part. The coil terminal is held by the arm portion and the coil connection terminal portion and joined to the conductive member by welding or the like.
- the coil connection terminal portion is bent, thereby contacting the arm portion and the coil connection terminal portion. It is gripped in a state.
- the arm portion and the coil connection terminal portion are integrated, it is difficult to bend the coil connection terminal portion near the hook root, which is a connection portion between the arm portion and the coil connection terminal portion. Therefore, there may be a gap between the arm portion and the coil connection terminal portion.
- a plurality of coil terminals may be held together by the arm portion and the coil connection terminal portion.
- a gap is easily generated between the arm portion and the coil connection terminal portion. Therefore, it is difficult to hold all the coil terminals in contact with the arm portion and the coil connection terminal portion. As a result, some of the plurality of coil terminals do not properly contact the arm part and the coil connection terminal part, and there is a possibility that poor bonding may occur in welding the coil terminal and the conductive member.
- the present invention has a structure that can suppress the occurrence of poor bonding between a coil end connection portion and a plurality of coil ends when a plurality of coil ends are joined together at a coil end connection portion.
- One of the purposes is to provide a motor.
- a motor includes a rotor having a shaft disposed along a central axis extending in the up-down direction, a stator having a plurality of coils opposed to the rotor in a radial direction via a gap, A bus bar electrically connected to the coil, the coil having a coil end that is an end of a conductive wire, the bus bar having a first conductive member and a second conductive member that are separate members from each other.
- the first conductive member has a first coil end connection portion electrically connected to the coil end, and the second conductive member is a second coil electrically connected to the coil end.
- a plurality of the coil ends sandwiched between the first coil end connection portion and the second coil end connection portion, and the first coil end connection portion and the second coil end connection portion are connected to each other. Conducts electrically.
- a motor having a structure capable of suppressing the occurrence of poor bonding between the coil end connection portion and the plurality of coil ends.
- FIG. 1 is a cross-sectional view showing the motor of this embodiment.
- FIG. 2 is a perspective view showing the upper bus bar assembly of the present embodiment.
- FIG. 3 is a plan view showing the upper bus bar assembly of the present embodiment.
- FIG. 4 is a perspective view showing a part of the upper bus bar assembly of the present embodiment.
- FIG. 5 is a perspective view showing a part of the upper bus bar assembly of the present embodiment.
- FIG. 1 in the axial direction of the central axis J extending in the vertical direction is simply referred to as “upper side”, and the lower side is simply referred to as “lower side”.
- the vertical direction does not indicate the positional relationship or direction when incorporated in an actual device.
- a direction parallel to the central axis J is referred to as an “axial direction”
- a radial direction around the central axis J is simply referred to as a “radial direction”
- a circumferential direction around the central axis J is simply referred to as a “circumferential direction”.
- extending in the axial direction includes not only strictly extending in the axial direction but also extending in a direction inclined with respect to the axial direction within a range of less than 45 °. “Extending in the radial direction” means strictly extending in the direction inclined in the range of less than 45 ° with respect to the radial direction in addition to extending in the radial direction, that is, in the direction perpendicular to the axial direction. Including. *
- the motor 10 is, for example, an inner rotor type motor.
- the motor 10 includes a housing 20 that can accommodate various components, a rotor 30, a cylindrical stator 40, a bearing holder 50, a lower bearing 60 that is held by the housing 20, and an upper bearing that is held by the bearing holder 50. 61, a lower bus bar assembly 70, an upper bus bar assembly 80, and terminals 92A and 92B. *
- the rotor 30 includes a shaft 31, a first rotor core 33A, a second rotor core 33B, a third rotor core 33C, a first magnet 34A, a second magnet 34B, and a third magnet disposed along the central axis J. 34C.
- the lower bearing 60 and the upper bearing 61 support the shaft 31 so as to be rotatable around the central axis J.
- the rotor 30 is rotatable with respect to the stator 40 inside the stator 40. *
- the first rotor core 33A, the second rotor core 33B, and the third rotor core 33C are cylindrical.
- the first rotor core 33A, the second rotor core 33B, and the third rotor core 33C are arranged in this order from the lower side to the upper side in the axial direction.
- the inner surface of the first rotor core 33A, the inner surface of the second rotor core 33B, and the inner surface of the third rotor core 33C are cylindrical with the central axis J as the center.
- the first rotor core 33A, the second rotor core 33B, and the third rotor core 33C are fitted and fixed to the shaft 31 by, for example, press fitting.
- the first rotor core 33A, the second rotor core 33B, and the third rotor core 33C may be indirectly fixed to the shaft 31 via other members. *
- the first magnet 34A, the second magnet 34B, and the third magnet 34C have a plate shape extending in the circumferential direction.
- the first magnet 34A is fixed to the outer surface of the first rotor core 33A.
- the second magnet 34B is fixed to the outer surface of the second rotor core 33B.
- the third magnet 34C is fixed to the outer surface of the third rotor core 33C.
- a plurality of first magnets 34A, second magnets 34B, and third magnets 34C are provided along the circumferential direction.
- the first magnet 34A, the second magnet 34B, and the third magnet 34C may each be a single member.
- the first magnet 34A, the second magnet 34B, and the third magnet 34C are, for example, annular.
- the stator 40 is opposed to the rotor 30 in the radial direction via a gap.
- the stator 40 is disposed, for example, on the radially outer side of the rotor 30. In other words, the stator 40 surrounds the rotor 30 in the circumferential direction.
- the stator 40 includes a stator core 40a, a plurality of coils 43, and a plurality of insulators 44.
- the stator core 40a is configured by stacking a plurality of electromagnetic steel plates, for example.
- the stator core 40 a includes an annular core back 41 that extends in the circumferential direction, and a plurality of teeth 42 that extend from the core back 41 in the radial direction. That is, the stator 40 includes a core back 41 and teeth 42.
- the core back 41 has, for example, an annular shape centered on the central axis J.
- the outer peripheral surface of the core back 41 is fixed to the inner peripheral surface of the housing 20 by, for example, press fitting.
- the plurality of teeth 42 extend radially inward from the inner surface of the core back 41.
- the plurality of teeth 42 are arranged at equal intervals along the circumferential direction.
- the coil 43 includes a conductive wire 43 a wound around the tooth 42 via the insulator 44.
- the coil 43 is disposed on each tooth 42.
- the coil 43 has a coil end 43b which is an end of the conductive wire 43a.
- the coil end 43 b extends upward from a portion of the coil 43 wound around the tooth 42.
- At least a part of the insulator 44 is disposed between the tooth 42 and the coil 43.
- the insulator 44 covers at least a part of the tooth 42. *
- the lower bus bar assembly 70 is substantially cylindrical.
- the lower bus bar assembly 70 is disposed on the upper side of the stator 40.
- the lower bus bar assembly 70 includes a neutral point bus bar 90 and a lower bus bar holder 71. That is, the motor 10 includes a neutral point bus bar 90 and a lower bus bar holder 71.
- the lower bus bar holder 71 has a substantially cylindrical shape and holds the neutral point bus bar 90. *
- the lower bus bar holder 71 is made of an insulating resin, for example.
- the lower bus bar holder 71 is fixed to the insulator 44.
- the neutral point bus bar 90 is electrically connected to the coil 43. More specifically, the neutral point bus bar 90 is connected to the coil end 43b. Thereby, the neutral point bus bar 90 is electrically connected to the stator 40.
- the neutral point bus bar 90 connects a plurality of coil ends 43b as neutral points. *
- the upper bus bar assembly 80 is substantially cylindrical.
- the upper bus bar assembly 80 is disposed above the lower bus bar assembly 70.
- the upper bus bar assembly 80 includes a phase bus bar 91 and an upper bus bar holder 81 that holds the phase bus bar 91. That is, the motor 10 includes a phase bus bar 91 and an upper bus bar holder 81.
- the upper bus bar holder 81 has a substantially cylindrical shape, and is made of, for example, an insulating resin.
- the upper bus bar holder 81 is fixed to the housing 20.
- the phase bus bar 91 is electrically connected to the coil 43. More specifically, the phase bus bar 91 is connected to the coil end 43b.
- the phase bus bar 91 is connected to the terminals 92A and 92B. Thereby, the phase bus bar 91 is electrically connected to the stator 40.
- the terminals 92A and 92B are plate-like members extending upward.
- the upper ends of the terminals 92 ⁇ / b> A and 92 ⁇ / b> B are disposed above the upper end of the housing 20.
- Terminals 92A and 92B are connected to an external power source (not shown). *
- the upper bus bar holder 81 includes a substantially annular plate-shaped second coil support 82, a cylindrical outer cylinder portion 83, a first peripheral wall portion 84, and a second peripheral wall portion 85. And a third peripheral wall portion 86 and terminal holding portions 87A and 87B.
- the motor 10 includes a second coil support 82 having insulating properties.
- the outer cylinder portion 83 extends upward from the outer edge of the second coil support 82.
- the first peripheral wall portion 84, the second peripheral wall portion 85, and the third peripheral wall portion 86 are located on the radially inner side of the outer cylinder portion 83 and extend upward from the second coil support 82.
- the terminal holding portions 87A and 87B protrude radially outward from the outer tube portion 83. *
- the center axis J passes through the center of the second coil support 82.
- the second coil support 82 has a second support portion 82a that supports the coil end 43b.
- the second coil support 82 is located between the neutral point bus bar 90 and the phase bus bar 91 in the axial direction. Therefore, the neutral point bus bar 90 can be divided into upper and lower portions with the phase bus bar 91 and the second coil support 82 interposed therebetween. Thereby, when the motor is assembled, the coil end 43b can be easily arranged at a predetermined position.
- the second support portion 82 a is a recess that is recessed radially outward from the inner edge of the second coil support 82.
- the coil end 43b passes inside the second support portion 82a.
- the coil end 43b is supported from both sides in the circumferential direction by the inner surface of the second support portion 82a.
- the outer cylinder part 83 is centered on the central axis J.
- the outer cylinder portion 83 has a cylindrical shape centered on the central axis J.
- the first peripheral wall portion 84, the second peripheral wall portion 85, and the third peripheral wall portion 86 extend in the circumferential direction.
- the first peripheral wall portion 84 has an arc shape.
- the second peripheral wall portion 85 and the third peripheral wall portion 86 have a cylindrical shape concentric with the outer cylinder portion 83.
- the second peripheral wall portion 85 is located on the radially inner side than the first peripheral wall portion 84.
- the third peripheral wall portion 86 is located on the radially inner side than the second peripheral wall portion 85.
- the upper end portion of the first peripheral wall portion 84 is substantially at the same position as the upper end portion of the outer cylinder portion 83 in the axial direction.
- the upper end portion of the second peripheral wall portion 85 is positioned below the upper end portion of the first peripheral wall portion 84 in the axial direction.
- the upper end portion of the third peripheral wall portion 86 is positioned below the upper end portion of the second peripheral wall portion 85 in the axial direction.
- the upper bus bar holder 81 has a first groove part 81a, a second groove part 81b, and a third groove part 81c that are recessed downward and extend in the circumferential direction.
- the first groove portion 81 a is located between the outer cylinder portion 83 and the first peripheral wall portion 84 in the radial direction.
- the second groove portion 81 b is located between the first peripheral wall portion 84 and the second peripheral wall portion 85 in the radial direction.
- the third groove portion 81 c is located between the second peripheral wall portion 85 and the third peripheral wall portion 86 in the radial direction.
- the bottom portion of the first groove portion 81a is located above the bottom portion of the second groove portion 81b in the axial direction.
- the bottom part of the second groove part 81b is located above the bottom part of the third groove part 81c in the axial direction.
- the terminal holding portions 87A and 87B are substantially rectangular in plan view.
- the terminal holding part 87A holds the terminal 92A.
- the terminal holding part 87B holds the terminal 92B. *
- the phase bus bar 91 includes first phase bus bars 93A and 93B, second phase bus bars 94A and 94B, and third phase bus bars 95A and 95B. That is, the motor 10 includes a plurality of phase bus bars 91.
- the first-phase bus bars 93A and 93B are held in the first groove 81a.
- Second-phase bus bars 94A and 94B are held in second groove 81b.
- Third-phase bus bars 95A and 95B are held in third groove portion 81c. *
- the plurality of phase bus bars 91 constitute a plurality of bus bar groups having different connection systems.
- the first bus bar group including the first phase bus bar 93A, the second phase bus bar 94A, and the third phase bus bar 95A, the first phase bus bar 93B, the second phase bus bar 94B, and the third phase bus bar 93A.
- Two bus bar groups including the second bus bar group including the phase bus bar 95B are configured.
- connection system A connection system including the first bus bar group
- connection system B connection system including the second bus bar group
- connection systems of certain objects are different
- external power sources electrically connected to a certain object are different and power is supplied independently for each connection system.
- an external power source that supplies power to the motor 10 is electrically connected to an external power source that is electrically connected to the connection system A and a connection system B.
- Two external power sources are provided.
- the two external power sources can supply power to the motor 10 independently. Even when one external power supply that supplies power to one connection system cannot supply power to the motor 10 for some reason, the other external power supply can supply power to the other connection system. Thereby, for example, even if power is not supplied to one connection system due to a failure of the external power supply and the control device for the external power supply, the motor 10 can be rotated by supplying a current to the other connection system. is there. *
- the first-phase bus bar 93 ⁇ / b> A includes a first conductive member 93 ⁇ / b> Aa and a second conductive member 93 ⁇ / b> Ab that are separate members.
- the first conductive member 93Aa includes a first bus bar main body portion 93Ac and a first bus bar bent portion 93Ae.
- 1st bus-bar main-body part 93Ac is circular arc shape, and is extended in the circumferential direction.
- the first bus bar bent portion 93Ae extends radially inward from the first bus bar main body portion 93Ac.
- the first bus bar bent portion 93Ae has a plate shape whose plate surface is parallel to the axial direction.
- the first bus bar bent portion 93Ae is bent and extends from one end portion in the circumferential direction of the first bus bar main body portion 93Ac.
- the first bus bar body portion 93Ac and the first bus bar bent portion 93Ae can be made by bending the elongated plate-like member. Thereby, 1st conductive member 93Aa can be manufactured easily.
- the shape of the first bus bar main body 93Ac does not necessarily have an arc shape. *
- the second conductive member 93Ab includes a second bus bar main body portion 93Ad, a second bus bar bent portion 93Af, and a third bus bar bent portion 93Ag.
- 2nd bus-bar main-body part 93Ad is circular arc shape, and is extended in the circumferential direction.
- the second bus bar main body portion 93Ad is aligned with the first bus bar main body portion 93Ac in the circumferential direction.
- 2nd bus-bar main-body part 93Ad is arrange
- the second bus bar bent portion 93Af has a plate shape whose plate surface is parallel to the axial direction.
- the second bus bar bent portion 93Af extends radially inward from the second bus bar main body portion 93Ad.
- the second bus bar bent portion 93Af is bent and extends from the end portion on the first bus bar main body portion 93Ac side in the circumferential direction of the second bus bar main body portion 93Ad.
- the third bus bar bent portion 93Ag has a plate shape whose plate surface is parallel to the axial direction.
- the third bus bar bent portion 93Ag is bent and extends from the end opposite to the first bus bar main body portion 93Ac in the circumferential direction of the second bus bar main body portion 93Ad.
- the third bus bar bent portion 93Ag extends radially inward from the second bus bar main body portion 93Ad.
- the tip of the third bus bar bent portion 93Ag has a hook shape. In other words, at least a part of the tip of the third bus bar bent portion 93Ag is curved.
- the third bus bar bent portion 93Ag holds one coil end 43b.
- Third bus bar bent portion 93Ag is joined to one coil end 43b by welding or the like.
- the first bus bar bent portion 93Ae has a first coil end connection portion 93Ah that is electrically connected to the coil end 43b. That is, the first conductive member 93Aa has a first coil end connection portion 93Ah.
- 2nd bus-bar bending part 93Af has 2nd coil end connection part 93Ai electrically connected with the coil end 43b.
- the second conductive member 93Ab has a second coil end connection portion 93Ai.
- the plurality of coil ends 43b are sandwiched between the first coil end connection portion 93Ah and the second coil end connection portion 93Ai.
- the plurality of coil ends 43b electrically conduct the first coil end connection portion 93Ah and the second coil end connection portion 93Ai.
- the first conductive member 93Aa and the second conductive member 93Ab which are separate members, sandwich the plurality of coil ends 43b. Therefore, there is no need to bend the conductive member. Therefore, for example, it is possible to suppress a gap from being generated between the coil end 43b and the bus bar due to insufficient bending of the conductive member. Thereby, when the first conductive member 93Aa and the second conductive member 93Ab grip the plurality of coil ends 43b, it is possible to prevent a part of the coil ends 43b from contacting the first conductive member 93Aa and the second conductive member 93Ab. it can.
- the two coil ends 43b are sandwiched and contacted by the first coil end connection portion 93Ah and the second coil end connection portion 93Ai. Note that the number of the coil ends 43b sandwiched between these may be three or more, for example.
- the first coil end connection portion 93Ah, the second coil end connection portion 93Ai, and the coil end 43b are joined by welding or the like, for example. *
- the number of coil ends 43 b drawn from the coil 43 tends to increase. Therefore, it is preferable that the plurality of coil ends 43b are collectively joined to the coil end connection portion. Thereby, the space where the coil end 43b is disposed can be reduced, and the number of bus bars connected to the coil end 43b can be reduced. Therefore, it is possible to suppress the occurrence of bonding failure when the plurality of coil ends 43b are bonded together. In particular, when there are a plurality of connection systems to which the coil end 43b and the phase bus bar 91 are connected, it is possible to further suppress the occurrence of poor bonding. *
- At least a part of the first bus bar bent part 93Ae opposes at least a part of the second bus bar bent part 93Af via the gap DP. Therefore, when the motor is manufactured, the plurality of coil ends 43b can be easily sandwiched between the first bus bar bent portion 93Ae and the second bus bar bent portion 93Af. Thereby, it can suppress more that the joining defect between 1st coil end connection part 93Ah and 2nd coil end connection part 93Ai, and the some coil end 43b arises.
- the first bus bar bent portion 93Ae and the second bus bar bent portion 93Af extend in parallel to each other. Therefore, at the time of manufacturing the motor, the plurality of coil ends 43b can be more easily sandwiched between the first bus bar bent portion 93Ae and the second bus bar bent portion 93Af. Note that the first bus bar bent portion 93Ae and the second bus bar bent portion 93Af do not necessarily have to extend in parallel to each other. *
- the first bus bar main body 93Ac and the second bus bar main body 93Ad are disposed in the first groove 81a. Therefore, the upper bus bar holder 81 can stably hold the first bus bar main body portion 93Ac and the second bus bar main body portion 93Ad. Accordingly, when the first coil end connection portion 93Ah and the second coil end connection portion 93Ai are joined to the coil end 43b, the relative positions of the first coil end connection portion 93Ah and the second coil end connection portion 93Ai are shifted. This can be suppressed. *
- the upper bus bar holder 81 has a plurality of protrusions 81h that protrude in the radial direction from the inner surface of the first groove 81a. Although illustration is omitted, the first bus bar main body portion 93Ac and the second bus bar main body portion 93Ad are fitted into the first groove portion 81a and come into contact with the protruding portion 81h. In FIG. 5, the phase bus bar 91 is not shown. *
- the protruding portion 81h presses the first bus bar main body portion 93Ac and the second bus bar main body portion 93Ad in the radial direction. Thereby, 1st bus-bar main-body part 93Ac and 2nd bus-bar main-body part 93Ad are hold
- the shape of the cross section orthogonal to the axial direction of the protrusion 81h is a triangle.
- the protrusion 81h protrudes radially inward from the radially outer surface of the inner surface of the first groove 81a.
- the protruding portion 81h extends in the axial direction from the lower end of the inner surface of the first groove portion 81a to the upper end of the inner surface of the first groove portion 81a.
- the shape of the cross section orthogonal to the axial direction of the protrusion 81h is not limited to a triangle, and may be, for example, a semicircular shape, a semielliptical shape, a polygonal shape, and the like, and is not particularly limited. *
- a plurality of protrusions 81h are provided in each of the second groove 81b and the third groove 81c. However, only one protrusion 81h may be provided for each groove.
- Each of the first bus bar main body 93Ac and the second bus bar main body 93Ad only needs to be in contact with at least one protrusion 81h.
- the upper bus bar holder 81 has a plurality of claw portions 81g.
- the claw portion 81g protrudes radially outward from the first peripheral wall portion 84. That is, the claw portion 81g protrudes toward the first groove portion 81a.
- the claw portion 81g presses the upper end portion of the first bus bar main body portion 93Ac and the upper end portion of the second bus bar main body portion 93Ad, respectively.
- the claw portion 81g fixes the first bus bar main body portion 93Ac and the second bus bar main body portion 93Ad in the first groove portion 81a by a snap fit structure.
- a plurality of claw portions 81g are also provided on the second peripheral wall portion 85 and the third peripheral wall portion 86, respectively.
- the upper bus bar holder 81 has a first wall portion 81d, a second wall portion 81e, and a third wall portion 81f.
- Each of the first wall portion 81d, the second wall portion 81e, and the third wall portion 81f has a columnar shape protruding upward.
- the first wall 81d, the second wall 81e, and the third wall 81f are arranged with a gap in the circumferential direction.
- the first wall 81d is disposed between the first conductive member 93Aa and the second conductive member 93Ab in the circumferential direction. Therefore, the circumferential interval between the first conductive member 93Aa and the second conductive member 93Ab can be made larger than the circumferential dimension of the first wall portion 81d. Thereby, for example, it is possible to suppress a narrow gap in the circumferential direction between the first bus bar bent portion 93Ae and the second bus bar bent portion 93Af. Therefore, the coil end 43b can be easily sandwiched between the first coil end connection portion 93Ah and the second coil end connection portion 93Ai. *
- One end of the first wall portion 81d in the circumferential direction is in contact with the first bus bar bent portion 93Ae. That is, the end portion on the one circumferential side of the first wall portion 81d is in contact with the first conductive member 93Aa.
- the end portion on the other circumferential side of the first wall portion 81d is in contact with the second bus bar bent portion 93Af. That is, the end portion on the other circumferential side of the first wall portion 81d is in contact with the second conductive member 93Ab.
- the circumferential interval between the first conductive member 93Aa and the second conductive member 93Ab can be increased by the circumferential dimension of the first wall portion 81d.
- the coil end 43b can be easily sandwiched between the first coil end connection portion 93Ah and the second coil end connection portion 93Ai.
- the circumferential interval between the first conductive member 93Aa and the second conductive member 93Ab may be equal to or greater than the circumferential dimension of the first wall portion 81d.
- the second wall portion 81e is disposed on one side in the circumferential direction of the first wall portion 81d.
- the third wall portion 81f is disposed on the other circumferential side of the first wall portion 81d.
- the first bus bar bent portion 93Ae is arranged between the first wall portion 81d and the second wall portion 81e in the circumferential direction.
- the second bus bar bent portion 93Af is arranged between the first wall portion 81d and the third wall portion 81f in the circumferential direction.
- the first wall portion 81d suppresses the first bus bar bent portion 93Ae and the second bus bar bent portion 93Af from being too close to each other in the circumferential direction, and the first wall portion 81d and the third wall portion 81f It can suppress that bus bar bending part 93Ae and 2nd bus bar bending part 93Af leave
- the first coil end connection portion 93Ah and the second coil end connection portion 93Ai are sandwiched between the coil end 43b between the circumferential direction of the first bus bar bent portion 93Ae and the second bus bar bent portion 93Af. And the coil end 43b can be bonded satisfactorily.
- the first wall portion 81d and the second wall portion 81e sandwich the first bus bar bent portion 93Ae in the circumferential direction while being in contact with each other.
- the first wall portion 81d and the third wall portion 81f sandwich the second bus bar bent portion 93Af in the circumferential direction while being in contact with each other.
- the circumferential position of the first bus bar bent portion 93Ae can be determined by the first wall portion 81d and the second wall portion 81e.
- the circumferential position of the second bus bar bent portion 93Af can be determined by the first wall portion 81d and the third wall portion 81f.
- interval of the circumferential direction of 1st bus-bar bending part 93Ae and 2nd bus-bar bending part 93Af can be opened suitably. Therefore, the first coil end connection portion 93Ah, the second coil end connection portion 93Ai, and the coil end 43b are sandwiched between the first bus bar bent portion 93Ae and the second bus bar bent portion 93Af in the circumferential direction. It can join more favorably. *
- the first wall portion 81d and the second wall portion 81e do not necessarily need to contact the first bus bar bent portion 93Ae. Only one of the first wall portion 81d and the second wall portion 81e may be in contact with the first bus bar bent portion 93Ae. Both the first wall portion 81d and the second wall portion 81e may not be in contact with the first bus bar bent portion 93Ae. The first wall portion 81d and the third wall portion 81f may not necessarily be in contact with the second bus bar bent portion 93Af. Only one of the first wall portion 81d and the third wall portion 81f may be in contact with the second bus bar bent portion 93Af. Both the first wall portion 81d and the third wall portion 81f may contact the second bus bar bent portion 93Af and the second bus bar bent portion 93Af. *
- the first bus bar bent portion 93Ae is disposed between the first wall portion 81d and the second wall portion 81e. Therefore, the circumferential position of the first bus bar bent portion 93Ae can be determined. Further, the second bus bar bent portion 93Af is disposed between the first wall portion 81d and the third wall portion 81f. Therefore, the circumferential position of the second bus bar bent portion 93Af can be determined. Thereby, the space
- first coil end connection portion 93Ah, the second coil end connection portion 93Ai, and the coil end 43b are sandwiched between the first bus bar bent portion 93Ae and the second bus bar bent portion 93Af in the circumferential direction. It can join more favorably.
- the first wall portion 81d, the second wall portion 81e, and the third wall portion 81f are part of the first peripheral wall portion 84.
- the inner surface of the first groove portion 81a includes the first wall portion 81d, the second wall portion 81e, and the third wall portion 81f.
- the root connected to each bus-bar main-body part in 1st bus-bar bending part 93Ae and 2nd bus-bar bending part 93Af can be pinched
- interposed by the 1st wall part 81d, the 2nd wall part 81e, and the 3rd wall part 81f to 1st coil end connection part 93Ah and 2nd coil end connection part 93Ai can be lengthened. Therefore, in the first coil end connection portion 93Ah and the second coil end connection portion 93Ai, the first bus bar bent portion 93Ae and the second bus bar bent portion 93Af can be easily elastically deformed, and the coil end 43b is easily sandwiched. be able to. *
- the second phase bus bar 94A includes a first conductive member 94Aa and a second conductive member 94Ab.
- the first conductive member 94Aa is a separate member from the second conductive member 94Ab.
- the first conductive member 94Aa includes a first bus bar main body portion 94Ac and a first bus bar bent portion 94Ae.
- the second conductive member 94Ab includes a second bus bar main body portion 94Ad, a second bus bar bent portion 94Af, and a third bus bar bent portion 94Ag. *
- Third-phase bus bar 95A has a first conductive member 95Aa and a second conductive member 95Ab.
- the first conductive member 95Aa is a separate member from the second conductive member 95Ab.
- the first conductive member 95Aa includes a first bus bar main body portion 95Ac and a first bus bar straight portion 95Ae.
- the second conductive member 95Ab includes a second bus bar main body portion 95Ad, a second bus bar bent portion 95Af, and a third bus bar bent portion 95Ag. *
- first bus bar main body portion 94Ac and the second bus bar main body portion 94Ad are the same as the structures of the first bus bar main body portion 93Ac and the second bus bar main body portion 93Ad, except that they are arranged in the second groove portion 81b. is there. *
- the first bus bar main body 95Ac extends in the axial direction. 1st bus-bar main-body part 95Ac is arrange
- the structure of the second bus bar main body portion 95Ad is the same as the structure of the second bus bar main body portion 93Ad except that the second bus bar main body portion 95Ad is disposed in the third groove portion 81c. *
- the bottom of the first groove 81a, the bottom of the second groove 81b, and the bottom of the third groove 81c have different axial positions. Therefore, the axial positions of the bus bar main body portions disposed in the groove portions are also different from each other.
- first bus bar main body portion 94Ac and the second bus bar main body portion 94Ad are disposed below the first bus bar main body portion 93Ac and the second bus bar main body portion 93Ad.
- the first bus bar main body portion 94Ac and the second bus bar main body portion 94Ad are disposed above the first bus bar main body portion 95Ac and the second bus bar main body portion 95Ad. That is, the second-phase bus bar 94A is disposed below the first-phase bus bar 93A, and is disposed above the third-phase bus bar 95A. Therefore, it is possible to easily insulate each phase bus bar 91 from each other. *
- a certain bus bar is disposed above or below other bus bars” means that the entire certain bus bar is disposed above or below other bus bars. Not limited. “A certain bus bar is located above or below the other bus bar” means that the bus bar main body of a certain bus bar is located above or below the bus bar main body of another bus bar. including. *
- the first bus bar main body portion 94Ac and the second bus bar main body portion 94Ad are disposed on the radially outer side than the first bus bar main body portion 93Ac and the second bus bar main body portion 93Ad.
- the first bus bar main body portion 94Ac and the second bus bar main body portion 94Ad are disposed on the radially inner side than the first bus bar main body portion 95Ac and the second bus bar main body portion 95Ad. That is, the second-phase bus bar 94A is disposed on the radially inner side with respect to the first-phase bus bar 93A, and is disposed on the radially outer side with respect to the third-phase bus bar 95A.
- each phase bus bar 91 can be easily arranged from the upper side of the upper bus bar holder 81.
- a first groove portion 81a, a second groove portion 81b, and a third groove portion 81c that are different in the radial direction are arranged. Therefore, the upper bus bar holder 81 can have a simple structure as compared with the case where the bus bars for each phase 91 overlap in the axial direction.
- a certain bus bar is disposed radially inward or radially outward from another bus bar, and the entire bus bar is disposed radially inward or radially outward from another bus bar. Not only that.
- a certain bus bar is arranged radially inward or radially outside of another bus bar.
- a bus bar body part of a bus bar is located radially inward or radially outward of a bus bar body part of another bus bar. Including being placed.
- the first bus bar bent portion 94Ae has a first coil end connection portion 94Ah.
- the second bus bar bent portion 94Af has a second coil end connection portion 94Ai. *
- the first bus bar straight portion 95Ae has a plate shape whose plate surface is parallel to the axial direction.
- the first bus bar straight portion 95Ae extends radially inward from the first bus bar main body portion 95Ac.
- the first bus bar straight line portion 95Ae has a first coil end connection portion 95Ah.
- the second bus bar bent portion 95Af has a second coil end connection portion 95Ai.
- the first bus bar straight line portion 95Ae and the second bus bar bent portion 95Af are opposed to each other via a gap at least partially.
- the first bus bar straight line portion 95Ae and the second bus bar bent portion 95Af preferably extend in parallel with each other. *
- the first coil end connection portions and the second coil end connection portions of the plurality of phase bus bars 91 are in the same position in the axial direction. More specifically, the first coil end connection portion 93Ah and the second coil end connection portion 93Ai of the first phase bus bar 93A, and the first coil end connection portion 94 of the second phase bus bar 94A. Ah and second coil end connection portion 94Ai, and first coil end connection portion 95Ah and second coil end connection portion 95Ai of third-phase bus bar 95A are arranged on the same plane perpendicular to the axial direction. .
- the axial position where the first coil end connection portions 93Ah, 94Ah, 95Ah and the second coil end connection portions 93Ai, 94Ai, 95Ai are joined to the coil ends 43b is the same for each phase bus bar 91. it can. Moreover, the part which peels the film in the coil end 43b joined to each coil end connection part can be unified at the same position. Thereby, the workability
- each coil end connection is the same as the axial position of the first bus bar body 94Ac and the second bus bar body 94Ad. Therefore, the first bus bar bent portion 94Ae and the second bus bar bent portion 94Af linearly extend radially inward from the first bus bar main body portion 94Ac and the second bus bar main body portion 94Ad.
- the first bus bar bent portion 93Ae and the second bus bar bent portion 93Af have inclined portions that are inclined downward from the radially outer side toward the radially inner side. Accordingly, the first coil end connection portion 93Ah and the second coil end connection portion 93Ai of the first phase bus bar 93A in the axial direction are positioned at the first coil end connection portion 94Ah and the second coil of the second phase bus bar 94A. It is the same as the position in the axial direction of the end connecting portion 94Ai. *
- the first bus bar straight line portion 95Ae is connected to the first bus bar main body portion 95Ac extending in the axial direction.
- the second bus bar bent portion 95Af has a portion extending upward from the second bus bar main body portion 95Ad.
- the axial positions of the first coil end connection portion 95Ah and the second coil end connection portion 95Ai are the axial positions of the first coil end connection portion 94Ah and the second coil end connection portion 94Ai of the second phase bus bar 94A. Will be the same. *
- the first conductive members 93Aa, 94Aa, and 95Aa have bus bar terminal portions 97a.
- the bus bar terminal portion 97a is connected to the end in the circumferential direction on the opposite side of the first bus bar bent portions 93Ae and 94Ae of the first bus bar main body portions 93Ac and 94Ac.
- the bus bar terminal portion 97a is connected to the upper end portion of the first bus bar main body portion 95Ac.
- Each bus bar terminal portion 97a includes a first extending portion 97b and a second extending portion 97c.
- the first extending portion 97b extends upward from each first bus bar main body portion.
- the second extending portion 97c extends from the upper end portion of the first extending portion 97b to the terminal 92A.
- the second extending portion 97c preferably extends in a plane perpendicular to the axial direction. The second extending portion 97c is held by the terminal holding portion 87A. *
- the connection location with the 1st extension part 97b in a 1st bus-bar main-body part is arrange
- the lower end of the first extension 97b in the second phase bus bar 94A and the lower end of the first extension 97b in the third phase bus bar 95A are lower than the lower end of the terminal 92A. Placed in. In this case, if the first extension portion extends to the terminal 92A in a plane perpendicular to the axial direction, the dimension in the axial direction of the terminal holding portion 87A that holds the terminal 92A increases. *
- the first extending portion 97b extends upward from each first bus bar main body. Therefore, the position in the axial direction of the second extending portion 97c extending in a plane perpendicular to the axial direction can be brought close to the position in the axial direction of the terminal 92A. Thereby, it can suppress that the dimension of the axial direction of 87 A of terminal holding parts becomes large.
- the lower end part of the 1st extension part 97b in 93 A of bus bars for 1st phases is arrange
- the position of the upper end portion of the first extension portion 97b is the same as the lower end portion of the terminal 92A in the axial direction, or is higher than the lower end portion of the terminal 92A. Therefore, the axial direction position of the second extending portion 97c can be the same as the lower end portion of the terminal 92A, or can be disposed above the lower end portion of the terminal 92A. Thereby, it can suppress more that the dimension of the axial direction of terminal holding part 87A becomes large.
- the first-phase bus bar 93B of the second bus bar group includes a first conductive member 93Ba and a second conductive member 93Bb.
- the first conductive member 93Ba is the same as the first conductive member 93Aa in the first-phase bus bar 93A of the first bus bar group.
- the second conductive member 93Bb has a second bus bar main body 93Bd.
- a portion on one side in the circumferential direction of the second bus bar main body portion 93Bd is disposed in the second groove portion 81b.
- the portion on the other circumferential side of the second bus bar main body portion 93Bd is disposed in the first groove portion 81a. That is, in the phase bus bar 91, one bus bar main body portion is disposed across two or more groove portions.
- the phase bus bars 91 can be easily insulated from each other while effectively using the arrangement space of the phase bus bars 91 in the upper bus bar holder 81. *
- positioned in the 2nd groove part 81b is arrange
- the present invention is not limited to the above-described embodiment, and other configurations can be employed.
- the shape of the first conductive member 93Aa and the shape of the second conductive member 93Ab are not particularly limited.
- the coil end connection portions to which the plurality of coil ends 43b are joined together is sandwiched and connected by the first conductive member and the second conductive member, for example, other coil end connections
- the part may be composed of a single member.
- the coil end connection portion made of a single member may have a hook shape like the third bus bar bent portion 93Ag. *
- connection system Only one connection system may be configured, or three or more connection systems may be configured. *
- the bus bar to which the configuration of the present invention is applied is not limited to the phase bus bar, and may be, for example, a neutral point bus bar.
- the number of rotor cores in the rotor 30 may be one.
- the motor 10 may be, for example, an outer rotor type motor. *
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Abstract
Description
筒部83と同心の円筒状である。第2周壁部85は、第1周壁部84よりも径方向内側に位置する。第3周壁部86は、第2周壁部85よりも径方向内側に位置する。
本体部93Adの上側の端部を、それぞれ押さえる。爪部81gは、スナップフィット構造により、第1バスバー本体部93Acおよび第2バスバー本体部93Adを、第1溝部81a内に固定する。そのため、第1バスバー本体部93Acおよび第2バスバー本体部93Adが第1溝部81aから上側に外れることを抑制できる。したがって、第1コイル端接続部93Ahおよび第2コイル端接続部93Aiと、コイル端43bとを接合する際に、第1コイル端接続部93Ahと第2コイル端接続部93Aiとの相対位置がずれることをより抑制できる。
Ahおよび第2コイル端接続部94Aiと、第3相用バスバー95Aの第1コイル端接続部95Ahおよび第2コイル端接続部95Aiとは、軸方向に対して垂直な同一面上に配置される。
Claims (13)
- 上下方向に伸びる中心軸に沿って配置されるシャフトを有するロータと、
前記ロータと隙間を介して径方向に対向し、複数のコイルを有するステータと、
前記コイルと電気的に接続されるバスバーと、
を備え、
前記コイルは、導電線の端部であるコイル端を有し、
前記バスバーは、互いに別部材である第1導電部材および第2導電部材を有し、
前記第1導電部材は、前記コイル端と電気的に接続される第1コイル端接続部を有し、
前記第2導電部材は、前記コイル端と電気的に接続される第2コイル端接続部を有し、
複数の前記コイル端は、前記第1コイル端接続部および前記第2コイル端接続部に挟まれ、前記第1コイル端接続部と前記第2コイル端接続部とを電気的に導通する、モータ。 - 前記第1導電部材は、周方向に延びる第1バスバー本体部と、前記第1バスバー本体部の周方向の端部から屈曲して延びる第1バスバー屈曲部と、を有し、
前記第2導電部材は、周方向に延び前記第1バスバー本体部と周方向に並ぶ第2バスバー本体部と、前記第2バスバー本体部の周方向における前記第1バスバー本体部側の端部から屈曲して延びる第2バスバー屈曲部と、を有し、
前記第1バスバー屈曲部は、前記第1コイル端接続部を有し、
前記第2バスバー屈曲部は、前記第2コイル端接続部を有し、
前記第1バスバー屈曲部と前記第2バスバー屈曲部とは、少なくとも一部において隙間を介して対向する、請求項1に記載のモータ。 - 前記バスバーを保持するバスバーホルダを備え、
前記バスバーホルダは、下側に窪み周方向に延びる溝部を有し、
前記第1バスバー本体部および前記第2バスバー本体部は、前記溝部内に配置される、請求項2に記載のモータ。 - 前記バスバーホルダは、下側に窪み周方向に延びる溝部と、前記溝部の内側面から径方向に突出する複数の突出部と、を有し、
前記第1バスバー本体部および前記第2バスバー本体部は、前記突出部と接触する、請求項3に記載のモータ。 - 前記バスバーホルダは、前記第1バスバー本体部の上側の端部および前記第2バスバー本体部の上側の端部をそれぞれ押さえる複数の爪部を有する、請求項3または4に記載のモータ。
- 前記バスバーホルダは、前記第1導電部材と前記第2導電部材との周方向の間に配置される第1壁部を有する、請求項3から5のいずれか一項に記載のモータ。
- 前記バスバーホルダは、前記第1壁部の周方向一方側に配置される第2壁部と、前記第1壁部の周方向他方側に配置される第3壁部と、を有し、
前記第1バスバー屈曲部は、前記第1壁部と前記第2壁部との周方向の間に配置され、
前記第2バスバー屈曲部は、前記第1壁部と前記第3壁部との周方向の間に配置される、請求項6に記載のモータ。 - 前記溝部の内側面は、前記第1壁部、前記第2壁部および前記第3壁部を含む、請求項7に記載のモータ。
- 前記バスバーは、第1バスバー、第2バスバー、および第3バスバーを含み、
前記第2バスバーは、前記第1バスバーよりも下側に配置され、かつ、前記第3バスバーよりも上側に配置される、請求項2から8のいずれか一項に記載のモータ。 - 前記第2バスバーは、前記第1バスバーよりも径方向内側に配置され、かつ、前記第3バスバーよりも径方向外側に配置される、請求項9に記載のモータ。
- 前記第1バスバーの前記第1コイル端接続部および前記第2コイル端接続部と、前記第2バスバーの前記第1コイル端接続部および前記第2コイル端接続部と、前記第3バスバーの前記第1コイル端接続部および前記第2コイル端接続部とは、軸方向に対して垂直な同一面上に配置される、請求項9または10に記載のモータ。
- 電源と接続される端子を備え、
前記バスバーは、前記端子と接続されるバスバー端子部を有する相用バスバーであり、
前記バスバー端子部は、前記第1バスバー本体部から上側に延びる第1延出部と、前記第1延出部の上側の端部から前記端子まで延びる第2延出部と、を有し、
軸方向において、前記第1延出部の下端部は、前記端子の下端部よりも下側にある、請求項9から11のいずれか一項に記載のモータ。 - 複数の前記バスバーは、複数の接続系統を構成する、請求項9から12のいずれか一項に記載のモータ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US15/751,492 US20180241272A1 (en) | 2015-08-10 | 2016-08-05 | Motor |
JP2017534423A JPWO2017026412A1 (ja) | 2015-08-10 | 2016-08-05 | モータ |
CN201680046914.9A CN107925296A (zh) | 2015-08-10 | 2016-08-05 | 马达 |
KR1020187003504A KR20180023002A (ko) | 2015-08-10 | 2016-08-05 | 모터 |
DE112016003648.5T DE112016003648T5 (de) | 2015-08-10 | 2016-08-05 | Motor |
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JP2015-158394 | 2015-08-10 | ||
JP2015158394 | 2015-08-10 |
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PCT/JP2016/073186 WO2017026412A1 (ja) | 2015-08-10 | 2016-08-05 | モータ |
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JP (1) | JPWO2017026412A1 (ja) |
KR (1) | KR20180023002A (ja) |
CN (1) | CN107925296A (ja) |
DE (1) | DE112016003648T5 (ja) |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019065584A1 (ja) * | 2017-09-28 | 2019-04-04 | 日本電産株式会社 | モータ |
CN109586473A (zh) * | 2017-09-28 | 2019-04-05 | 日本电产株式会社 | 汇流条单元和马达 |
CN110299780A (zh) * | 2018-03-23 | 2019-10-01 | 日本电产株式会社 | 马达和电动助力转向装置 |
JP2020099174A (ja) * | 2018-12-13 | 2020-06-25 | 株式会社デンソー | 回転電機 |
WO2021033896A1 (ko) * | 2019-08-22 | 2021-02-25 | 엘지이노텍 주식회사 | 모터 |
JP2021057999A (ja) * | 2019-09-30 | 2021-04-08 | 日本電産株式会社 | ステータおよびモータ |
US20210167656A1 (en) * | 2018-07-30 | 2021-06-03 | Valeo Equipements Electriques Moteur | Rotary electrical machine |
US11165300B2 (en) | 2019-03-27 | 2021-11-02 | Yamada Manufacturing Co., Ltd. | Motor stator |
US11411453B2 (en) * | 2017-09-28 | 2022-08-09 | Nidec Corporation | Motor |
JP7491170B2 (ja) | 2020-09-30 | 2024-05-28 | ニデックパワートレインシステムズ株式会社 | 電動ポンプ |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017106399B4 (de) * | 2017-03-24 | 2023-10-05 | Nidec Corporation | Elektromotor |
WO2020035939A1 (ja) | 2018-08-17 | 2020-02-20 | 三菱電機株式会社 | 回転電機 |
CN110912312A (zh) * | 2018-09-17 | 2020-03-24 | 李岳翰 | 电机导线座 |
DE102019103191A1 (de) * | 2019-02-08 | 2020-08-13 | Schaeffler Technologies AG & Co. KG | Stator für eine elektrische Maschine |
KR20210006655A (ko) * | 2019-07-09 | 2021-01-19 | 현대모비스 주식회사 | 모터 결선용 터미널블럭 조립체 및 그 조립방법 |
DE102019121186A1 (de) * | 2019-08-06 | 2021-02-11 | Schaeffler Technologies AG & Co. KG | Elektrische Maschine |
EP3989407A1 (en) * | 2020-10-20 | 2022-04-27 | Mahle International GmbH | Electrical machine |
DE102021111449A1 (de) | 2021-05-04 | 2022-11-10 | HELLA GmbH & Co. KGaA | Bürstenloser Elektromotor |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014014254A (ja) * | 2012-06-07 | 2014-01-23 | Hitachi Metals Ltd | 集配電リング、電動機、及び電動機の製造方法 |
JP2015046959A (ja) * | 2013-08-27 | 2015-03-12 | 日立金属株式会社 | 集配電部材の保持構造、電動機、及び電動機の製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3613262B2 (ja) | 2002-04-26 | 2005-01-26 | 三菱電機株式会社 | 回転電機およびその製造方法 |
JP3701639B2 (ja) * | 2002-08-29 | 2005-10-05 | 本田技研工業株式会社 | 電動機のリードフレーム及びこれを用いた配電部品 |
JP5176283B2 (ja) * | 2006-03-30 | 2013-04-03 | 日産自動車株式会社 | 回転電機のバスバー絶縁構造 |
JP2013243800A (ja) * | 2012-05-18 | 2013-12-05 | Honda Motor Co Ltd | 回転電機 |
-
2016
- 2016-08-05 WO PCT/JP2016/073186 patent/WO2017026412A1/ja active Application Filing
- 2016-08-05 CN CN201680046914.9A patent/CN107925296A/zh not_active Withdrawn
- 2016-08-05 JP JP2017534423A patent/JPWO2017026412A1/ja not_active Ceased
- 2016-08-05 DE DE112016003648.5T patent/DE112016003648T5/de not_active Withdrawn
- 2016-08-05 US US15/751,492 patent/US20180241272A1/en not_active Abandoned
- 2016-08-05 KR KR1020187003504A patent/KR20180023002A/ko not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014014254A (ja) * | 2012-06-07 | 2014-01-23 | Hitachi Metals Ltd | 集配電リング、電動機、及び電動機の製造方法 |
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Also Published As
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DE112016003648T5 (de) | 2018-05-09 |
JPWO2017026412A1 (ja) | 2018-06-21 |
US20180241272A1 (en) | 2018-08-23 |
CN107925296A (zh) | 2018-04-17 |
KR20180023002A (ko) | 2018-03-06 |
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