WO2019208420A1 - Motor unit - Google Patents

Motor unit Download PDF

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Publication number
WO2019208420A1
WO2019208420A1 PCT/JP2019/016776 JP2019016776W WO2019208420A1 WO 2019208420 A1 WO2019208420 A1 WO 2019208420A1 JP 2019016776 W JP2019016776 W JP 2019016776W WO 2019208420 A1 WO2019208420 A1 WO 2019208420A1
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WO
WIPO (PCT)
Prior art keywords
signal line
sensor
connector
motor
unit
Prior art date
Application number
PCT/JP2019/016776
Other languages
French (fr)
Japanese (ja)
Inventor
陽平 宮田
大輔 村田
修平 中松
慶介 福永
Original Assignee
日本電産株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電産株式会社 filed Critical 日本電産株式会社
Priority to CN201980027914.8A priority Critical patent/CN112042086B/en
Publication of WO2019208420A1 publication Critical patent/WO2019208420A1/en

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/25Devices for sensing temperature, or actuated thereby
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30Structural association with control circuits or drive circuits
    • H02K11/33Drive circuits, e.g. power electronics
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

Definitions

  • the present invention relates to a motor unit.
  • This application claims priority based on Japanese Patent Application No. 2018-084482 for which it applied to Japan on April 25, 2018, and uses the content here.
  • One aspect of the motor unit of the present invention includes a motor, a sensor unit that measures the state of the motor, an inverter unit that supplies power to the motor, a wiring module that connects the motor and the inverter unit, A motor, a housing for housing the sensor unit, and the wiring module.
  • the housing includes a connector portion that outputs an output signal from the sensor portion to the outside.
  • the connector part is a connector body fixed to the housing and connecting the inside and outside of the housing, a connector signal line drawn from the connector body to the inside of the housing, a connector relay terminal located at the tip of the connector signal line,
  • the sensor unit includes a sensor main body, a sensor signal line drawn from the sensor main body, and a sensor relay terminal positioned at the tip of the sensor signal line. The sensor relay terminal and the connector relay terminal are connected to each other and held by the wiring module.
  • FIG. 1 is a schematic cross-sectional view of a motor unit according to an embodiment.
  • FIG. 2 is a perspective view of a bus bar unit according to an embodiment.
  • FIG. 3 is a perspective view of the bus bar unit according to the first modification.
  • FIG. 4 is a perspective view of the bus bar unit of Modification 2 and a stator to which the bus bar unit is connected.
  • FIG. 5 is a perspective view of a bus bar unit according to the second modification.
  • FIG. 6 is a cross-sectional view of the bus bar unit of this modification and a stator to which the bus bar unit is connected.
  • the direction parallel to the motor shaft J2 of the motor 2 (Z-axis direction) is simply referred to as “axial direction”, and the radial direction around the motor shaft J2 is simply referred to as “radial direction”.
  • the circumferential direction around the motor shaft J2, that is, the circumference of the motor shaft J2 is simply referred to as “circumferential direction”.
  • the motor unit 1 of this embodiment is mounted on a vehicle using a motor as a power source, such as a hybrid vehicle (HEV), a plug-in hybrid vehicle (PHV), and an electric vehicle (EV), and is used as the power source.
  • a motor such as a hybrid vehicle (HEV), a plug-in hybrid vehicle (PHV), and an electric vehicle (EV)
  • FIG. 1 is a schematic cross-sectional view of the motor unit 1.
  • the motor unit 1 includes a motor 2, a temperature sensor (sensor unit) 4, a bus bar unit (wiring module) 5, a housing 6, and an inverter unit 8.
  • the motor unit 1 may have a reduction device (not shown) that reduces the rotation of the motor 2 and outputs it to the outside.
  • the motor 2 of this embodiment is a three-phase motor.
  • the motor 2 is housed inside the housing 6.
  • the motor 2 includes a rotor 20 that rotates about a motor axis J2 that extends in the horizontal direction, a stator 30 that is positioned radially outward of the rotor 20, and a pair of bearings 26 and 27 that rotatably support the rotor 20.
  • the motor 2 of this embodiment is an inner rotor type motor.
  • the shaft 21 extends along the axial direction around the motor shaft J2.
  • the shaft 21 rotates about the motor shaft J2.
  • the shaft 21 is rotatably supported by a pair of bearings 26 and 27.
  • the pair of bearings 26 and 27 are located on both sides in the axial direction of the shaft 21 with the rotor core 24 interposed therebetween.
  • the pair of bearings 26 and 27 are held by the housing 6.
  • the rotor core 24 is configured by laminating silicon steel plates.
  • the rotor core 24 is a cylindrical body extending along the axial direction.
  • a plurality of rotor magnets (not shown) are fixed to the rotor core 24.
  • the plurality of rotor magnets are arranged along the circumferential direction with alternating magnetic poles.
  • the stator 30 has a stator core 32, a coil 31, and an insulator (not shown) interposed between the stator core 32 and the coil 31.
  • the stator 30 is held by the housing 6.
  • the stator core 32 has a plurality of magnetic pole teeth (not shown) radially inward from the inner peripheral surface of the annular yoke.
  • a coil wire is wound between the magnetic pole teeth.
  • the coil wire wound around the magnetic pole teeth constitutes the coil 31. That is, the coil 31 is wound around the stator core 32 via the insulator.
  • a coil wire extending from the coil 31 is connected to the inverter unit 8 via a bus bar (not shown).
  • the housing 6 accommodates the motor 2, the bus bar unit 5, and the temperature sensor 4.
  • a housing space 60 is provided inside the housing 6.
  • the motor 2, the bus bar unit 5 and the temperature sensor are located in the accommodation space 60.
  • the housing 6 is provided with a first connector portion (connector portion) 7.
  • the housing 6 includes a housing main body 65 and a closing member 61.
  • the accommodation space 60 is a space surrounded by the housing main body 65 and the closing member 61.
  • the housing body 65 and the closing member 61 are made of, for example, aluminum die casting.
  • the housing main body 65 has a cylindrical portion 66 extending along the motor shaft J2 and a bottom portion 67 that closes one opening of the cylindrical portion 66.
  • the housing body 65 opens in the axial direction of the motor 2.
  • the opening of the housing main body 65 faces one side in the axial direction ( ⁇ Y direction).
  • the bottom 67 holds the bearing 27.
  • the bottom 67 supports the shaft 21 via the bearing 27.
  • the cylindrical portion 66 of the housing body 65 is provided with a fixing hole 65a and a terminal passage hole 65b penetrating in the radial direction.
  • the connector main body 70 of the first connector portion 7 is fixed to the fixing hole 65a. Further, the terminal 81 of the inverter unit 8 is inserted through the terminal passage hole 65b.
  • a pedestal portion 6b to which the bus bar unit 5 is fixed is provided on the inner wall surface of the housing main body 65.
  • the pedestal portion 6 b has a pedestal surface 6 a that faces the opening side of the housing body 65. Screw holes are provided in the pedestal surface 6a.
  • the bus bar unit 5 is screwed into the screw hole of the base surface 6a. That is, the housing 6 is provided with a screw hole for screwing the bus bar unit 5.
  • the closing member 61 covers the opening of the housing main body 65.
  • the closing member 61 is fixed to the cylindrical portion of the housing main body 65.
  • the closing member 61 faces the bottom 67 in the axial direction.
  • the closing member 61 holds the bearing 26.
  • the closing member 61 supports the shaft 21 via the bearing 26.
  • the connector main body 70 is attached to a fixing hole 65 a provided in the housing main body 65.
  • the connector body 70 is inserted into the fixing hole 65 a from the outside in the radial direction, and is screwed to the outer surface of the housing body 65. That is, the connector main body 70 is fixed to the housing 6. Thereby, the connector main body 70 connects the inside and outside of the housing 6.
  • the controller 83 is connected to the motor 2 via the inverter 82 and controls the motor 2.
  • the control unit 83 monitors the temperature of the motor 2 measured by the temperature sensor 4.
  • the control unit 83 feedback-controls the rotational speed of the motor 2 based on the rotational speed of the motor 2 measured by a resolver (not shown).
  • the temperature sensor 4 measures the temperature of the motor 2. More specifically, the temperature sensor 4 measures the temperature of the coil 31 of the stator 30 where the temperature is highest in the motor 2. That is, the temperature sensor 4 measures the temperature state of the motor 2.
  • the temperature sensor 4 has a sensor main body 40, a sensor signal line 41 drawn from the sensor main body 40, and a sensor relay terminal 42 positioned at the tip of the sensor signal line 41.
  • the sensor body 40 is fixed to the coil 31 of the motor 2.
  • a thermistor can be employed as the sensor body 40.
  • the bus bar holder 51 is made of an insulating material. In the present embodiment, the bus bar holder 51 is made of a resin material.
  • the bus bar holder 51 includes a holder main body portion 54 that holds the bus bar 50, a relay terminal holding portion 52 that protrudes from the holder main body portion 54, and a fixing portion 53.
  • FIG. 2 is a perspective view of the bus bar unit 5.
  • the fixing portion 53 protrudes from the holder main body portion 54 in a direction orthogonal to the axial direction (Y-axis direction).
  • the fixed portion 53 has a plate shape extending along a plane (XZ plane) orthogonal to the axial direction.
  • the fixing portion 53 is provided with a through hole extending in the axial direction.
  • a fixing screw 59 is inserted through the through hole.
  • the fixing screw 59 is screwed into a screw hole provided in the pedestal surface 6 a of the housing 6. Thereby, the bus bar unit 5 is fixed to the housing 6.
  • the pedestal surface 6a of the housing 6 to which the bus bar unit 5 is fixed faces the one side in the axial direction ( ⁇ Y direction). That is, the pedestal surface 6 a faces the opening direction of the housing body 65. Accordingly, the bus bar unit 5 is screwed into the screw hole of the pedestal surface 6 a from the opening direction of the housing main body 65. According to this embodiment, the process of assembling the bus bar unit 5 to the housing main body 65 can be performed from the opening side of the housing main body 65, and the simplicity of the assembly process can be improved.
  • the relay terminal holding part 52 protrudes from the holder main body part 54 in a direction orthogonal to the axial direction (Y-axis direction).
  • the relay terminal holding portion 52 is provided with a fitting recess 52a that opens to one side in the axial direction.
  • the fitting recess 52a has a rectangular shape when viewed from the opening direction of the fitting recess 52a.
  • the temperature sensor 4 is attached to the motor 2 in advance before being assembled to the housing 6.
  • the first connector portion 7 is attached to the fixing hole 65 a from the outside of the housing 6. Therefore, the sensor signal line 41 of the temperature sensor 4 and the first connector signal line 71 of the first connector portion 7 are connected to each other after the motor 2 is assembled to the housing 6.
  • the signal line relay unit 3 configured by connecting the sensor relay terminal 42 and the connector relay terminal 72 to each other is a heavy object provided in the signal line path. For this reason, the signal line relay portion 3 may be damaged by colliding with the inner wall of the housing 6 due to vibration or the like.
  • the signal line relay unit 3 is held by the bus bar unit 5. For this reason, it is possible to suppress the signal line relay unit 3 from colliding with the inner wall of the housing 6 in the accommodation space 60. Thereby, the damage of the signal line relay part 3 can be suppressed and the reliability of the motor unit 1 can be improved.
  • the relay terminal holding part 52 has a bottom part 52q facing the opening of the fitting concave part 52a, and a side wall part 52p extending in the axial direction from the outer edge of the bottom part 52q.
  • the fitting recess 52a is a space surrounded by the bottom 52q and the side wall 52p.
  • the surface on one side ( ⁇ Y direction) in the axial direction of the bottom 52q is in contact with the end surface of the signal line relay unit 3 (more specifically, the end surface of the sensor relay terminal 42). Further, the inner wall surface of the side wall portion 52 p is in contact with the outer peripheral surfaces of the sensor relay terminal 42 and the connector relay terminal 72.
  • the signal line relay part 3 of this embodiment is inserted in the fitting recess 52a with the sensor relay terminal 42 on the bottom 52q side, the sensor signal line 41 passes through the signal line insertion hole 52c. To do. However, when the signal line relay portion 3 is inserted into the fitting recess 52a with the connector relay terminal 72 facing the bottom 52q, the first connector signal line 71 passes through the signal line insertion hole 52c. . That is, the signal line insertion hole 52c allows the sensor signal line 41 or the first connector signal line 71 to pass through.
  • the side wall 52p is provided with a slit 52b extending along the axial direction.
  • the slits 52b open on both sides in the axial direction (+ Y direction and -Y direction).
  • the slit 52b penetrates in the thickness direction of the side wall 52p.
  • the slit 52b is connected to the signal line insertion hole 52c.
  • the sensor signal line 41 can be inserted from the side of the side wall 52p in the step of inserting the signal line relay 3 into the relay terminal holding part 52. it can. Thereby, the process of inserting the signal line relay part 3 into the relay terminal holding part 52 can be facilitated.
  • FIG. 3 is a perspective view of the bus bar unit 105 of this modification.
  • the bus bar unit 105 of this modification is different from the above-described embodiment in the holding structure of the signal line relay unit 103.
  • symbol is attached
  • the bus bar holder 151 of this modification has a holder main body 154 that holds the bus bar 50 and a fixing portion 153.
  • the fixing portion 153 protrudes from the holder main body portion 154 in a direction orthogonal to the axial direction (Y-axis direction).
  • the fixing portion 153 has a plate shape extending along a plane (XZ plane) orthogonal to the axial direction.
  • the fixing portion 153 is provided with a through hole extending in the axial direction.
  • the signal line relay unit 103 is configured by connecting the sensor relay terminal 142 of the temperature sensor (sensor unit) 104 and the connector relay terminal 172 of the first connector unit 107 to each other.
  • the sensor relay terminal 142 has a terminal fixing part 143.
  • the terminal fixing portion 143 has a plate shape extending along a plane (XZ plane) orthogonal to the axial direction (Y-axis direction).
  • the terminal fixing portion 143 is provided with a through hole extending in the axial direction.
  • a fixing screw 59 is inserted through the through hole of the fixing portion 153 of the bus bar holder 151 and the terminal fixing portion 143 of the sensor relay terminal 142 and is fixed to the base surface 6 a of the housing 6. Thereby, the bus bar holder 151 and the sensor relay terminal 142 are fixed to the housing 6. That is, the sensor relay terminal 142 is fastened together with the bus bar unit 105 to the housing 6. As a result, the signal line relay unit 103 is held by the bus bar unit 105.
  • the bus bar unit 105 and the signal line relay unit 103 are fastened together with the housing 6. For this reason, in the process of fixing the bus bar unit 105 to the housing 6, the signal line relay unit 103 can be held by the bus bar unit 105. For this reason, it is not necessary to separately prepare parts for fixing the bus bar unit 105 and the housing 6, and an increase in the number of parts can be suppressed. In addition, since it is not necessary to separately perform a process of fixing the bus bar unit 105 and the housing 6, the assembly process can be simplified.
  • FIG. 4 is a perspective view of the bus bar unit 205 and the stator 30 to which the bus bar unit 205 of the present modification is connected.
  • symbol is attached
  • the bus bar unit 205 connects the motor 2 and the inverter unit 8.
  • the bus bar unit 205 includes three bus bars 250 and a bus bar holder 251 that holds the bus bar 250.
  • the inverter connection portion 250a is located on the radially outer side of the stator core 32.
  • the inverter connecting part 250a is connected to the terminal 81 (see FIG. 1) of the inverter 82.
  • the terminal connecting portion 250b is located on the other axial side (+ Y side) of the stator core 32.
  • the terminal connection part 250 b is connected to the coil 31 of the motor 2. More specifically, the terminal connection portion 250b is connected to a conductive wire that extends from the coil 31 and is bundled.
  • the axially extending portion 250c is located between the inverter connecting portion 250a and the terminal connecting portion 250b and connects them.
  • a portion extending in a direction other than the axial direction may be interposed between the axially extending portion 250c and the inverter connecting portion 250a.
  • a portion extending in a direction other than the axial direction may be provided between the axially extending portion 250c and the terminal connecting portion 250b.
  • the bus bar holder 251 includes a holder main body 254 that holds the bus bar 250, a relay terminal holding part 252 that holds the signal line relay part 3, and a signal line holding part 255 that holds the sensor signal line 41.
  • bus bars 250 are embedded in the holder main body 254. That is, the bus bar holder 251 is insert-molded with the bus bar 250 held in the mold.
  • the holder body 254 is a part surrounding the bus bar 250 in the bus bar holder 251.
  • the holder main body 254 mainly holds the axially extending portion 250c of the bus bar 250. For this reason, the holder body 254 extends along the axial direction. Note that the inverter connection portion 250 a and the terminal connection portion 250 b of the bus bar 250 are exposed from the holder main body portion 254.
  • the relay terminal holding portion 252 protrudes radially outward from the surface of the holder main body 254 that faces radially outward.
  • the relay terminal holding part 252 is provided with a fitting recess 252a that opens to the other side in the first direction D1.
  • the signal line relay unit 3 is inserted into the fitting recess 252a.
  • the inner peripheral surface of the fitting recess 252 a is fitted with the outer peripheral surface of the signal line relay unit 3. Thereby, the bus bar unit 205 holds the signal line relay unit 3.
  • the signal line holding portion 255 includes a first wall portion (wall portion) 256, a second wall portion (wall portion) 257, and a third wall portion that protrude radially outward from the surface of the holder main body portion 254 that faces radially outward. It has a wall portion (opposing wall portion) 258. That is, the signal line holding part 255 has a plurality of wall parts.
  • the first wall 256 extends along the first direction D1.
  • the first wall portion 256 extends the sensor signal line 41 along the surface facing the one side in the second direction D2.
  • the first wall portion 256 guides the sensor signal line 41 from the other side in the second direction D2.
  • the second wall portion 257 is located on one side in the first direction D1 with respect to the first wall portion 256.
  • the second wall portion 257 extends along the first direction D1.
  • the second wall portion 257 is located on an extension line of the second wall portion 257 in the first direction D1.
  • the second wall portion 257 runs along the sensor signal line 41 on the surface facing the one side in the second direction D2.
  • the second wall portion 257 guides the sensor signal line 41 along with the first wall portion 256 on the other side in the second direction D2.
  • the third wall portion 258 is located on one side in the second direction D2 with respect to the second wall portion 257.
  • the third wall portion 258 extends along the first direction D1.
  • the third wall portion 258 runs along the sensor signal line 41 on the surface facing the other side in the second direction D2.
  • the third wall portion 258 faces the second wall portion 257 with the sensor signal line 41 interposed therebetween.
  • the distance dimension along the second direction D2 between the second wall portion 257 and the third wall portion 258 is substantially the same as the diameter of the sensor signal line 41.
  • the bus bar holder 251 includes the relay terminal holding unit 252 that holds the signal line relay unit 3 and the signal line holding unit 255 that holds the sensor signal line 41, respectively. For this reason, even if the sensor signal line 41 is long and the sensor body 40 is far from the relay terminal holding part 252, the sensor signal line 41 can be prevented from colliding with the inner wall of the housing 6. Thereby, damage to the sensor signal line 41 can be suppressed. In addition, since the sensor signal line 41 is positioned in the housing 6, it is possible to improve the simplicity of the assembly process of other components in the subsequent process.
  • the sensor signal line 41 is sandwiched and held between the second wall portion 257 and the third wall portion 258.
  • the signal line held by the signal line holding unit 255 may be at least one of the first connector signal line 71 and the sensor signal line 41.
  • the first wall portion 256 and the second wall portion 257 are arranged in the bus bar holder 251 so as to be biased toward one side in the second direction D2.
  • the sensor signal line 41 is routed along a surface of the first wall portion 256 and the second wall portion 257 that faces the one side in the second direction D2.
  • the first wall portion 256 and the second wall portion 257 maintain the distance between the three axially extending portions 250c held by the holder main body portion 254 and the sensor signal line 41 at a certain level or more. Thereby, the influence of the magnetic noise on the sensor signal line 41 can be suppressed.
  • the sensor signal line 41 and the first connector signal line 71 are preferably twisted pair cables that are not easily affected by magnetic noise.
  • the second wall portion 257 of this modification has a curved portion 257a located at the end portion on one side in the first direction D1.
  • the 3rd wall part 258 has the curved part 258a located in the edge part of the 1st direction D1 one side.
  • the curved portions 257a and 258a bend toward the other side in the second direction D2 as it goes toward the one side in the first direction D1.
  • the sensor signal line 41 sandwiched between the second wall portion 257 and the third wall portion 258 is routed along the curved portions 257a and 258a between the curved portions 257a and 258a. Therefore, the sensor signal line 41 extends on the one side in the first direction D1 of the signal line holding unit 255 and on the other side in the second direction D2.
  • the relay terminal holding part 252 of this modification is located on one side in the first direction D1 of the bending parts 257a and 258a.
  • the relay terminal holding unit 252 holds the signal line relay unit 3 in a state where the sensor signal line 41 extends to one side in the second direction D2.
  • the sensor signal line 41 extends from the signal line holding unit 255 to the other side in the second direction D2. Further, the sensor signal line 41 extends from the relay terminal holding part 252 to one side in the second direction D2. For this reason, the sensor signal line 41 is bent in an S shape between the signal line holding part 255 and the relay terminal holding part 252, and the sensor signal line 41 is bent by the elastic part of the third wall part 258. 258a. As a result, it is possible to suppress the sensor signal line 41 from being detached from the signal line holding unit 255.
  • a contact surface 251b that contacts the outer peripheral surface of the stator core 32 is provided at the tips of the first rib 259A and the second rib 259B. That is, the bus bar holder 251 contacts the outer peripheral surface of the stator core 32 at the contact surface 251b.
  • the contact surface 251 b is recessed in an arc shape along the outer peripheral surface of the stator core 32. In FIG. 5, the contact surface 251b is highlighted with a dot pattern.
  • a gap is provided at the notch 251 c between the outer peripheral surface of the stator core 32 and the bus bar holder 251.
  • the bus bar holder 251 can flow the oil from the upper side to the lower side through the notch 251 c without blocking the oil transmitted along the outer peripheral surface of the stator core 32.
  • the oil can be spread over the entire outer peripheral surface of the stator core 32, and the cooling effect of the stator core 32 by the oil can be enhanced.
  • the sensor unit may be another sensor as long as it measures the state of the motor.
  • the sensor unit may be an encoder such as a resolver that detects the rotation angle of the motor and measures the rotation state of the rotor.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)

Abstract

An aspect of a motor unit of the present invention is provided with: a motor; a sensor unit which measures the state of the motor; an inverter unit which supplies power to the motor; a wiring module which connects the motor and the inverter unit; and a housing which accommodates the motor, the sensor unit, and the wiring module. The housing has a connector unit which outputs an output signal from the sensor unit to the outside. The connector unit has: a connector body which is fixed to the housing and connects the inside and the outside of the housing; a connector signal line which is extracted into the housing from the connector body; and a connector relay terminal located at a distal end of the connector signal line. The sensor unit has: a sensor body; a sensor signal line extracted from the sensor body; and a sensor relay terminal located at a distal end of the sensor signal line. The sensor relay terminal and the connector relay terminal are connected to each other, and is held in a wiring module.

Description

モータユニットMotor unit
 本発明は、モータユニットに関する。
 本願は、2018年4月25日に日本に出願された特願2018-084482に基づき優先権を主張し、その内容をここに援用する。
The present invention relates to a motor unit.
This application claims priority based on Japanese Patent Application No. 2018-084482 for which it applied to Japan on April 25, 2018, and uses the content here.
 モータの温度を検出する温度センサなどのセンサ部が設けられたモータユニットが知られている。この場合、センサ部から引き出される信号線は、モータのハウジングの内部から外部へ引き出される。信号線が、ハウジングの内部で自由形状のままであると、他の部品との干渉を起こす虞がある。特許文献1には、ワイヤハーネス(信号線)を冷却用パイプに固定することで、他の部品と干渉せず安定した位置を取ることを可能にした構造が開示されている。 A motor unit provided with a sensor unit such as a temperature sensor for detecting the temperature of the motor is known. In this case, the signal line drawn from the sensor portion is drawn from the inside of the motor housing to the outside. If the signal line remains in a free shape inside the housing, there is a risk of interference with other components. Patent Document 1 discloses a structure in which a wire harness (signal line) is fixed to a cooling pipe so that a stable position can be obtained without interfering with other components.
特開2016-59131号公報Japanese Unexamined Patent Publication No. 2016-59131
 従来のモータユニットでは、信号線を他の部材に固定するために固定部材を用いていた。このため、モータユニットの部品点数が増加するとともに組み立て工程が煩雑化するという問題があった。 In the conventional motor unit, a fixing member is used to fix the signal line to another member. For this reason, there existed a problem that the assembly process became complicated while the number of parts of a motor unit increased.
 本発明の一つの態様は、部品点数の増加を抑制しつつセンサ部の信号線を固定できるモータユニットの提供を目的の一つとする。 One aspect of the present invention is to provide a motor unit capable of fixing a signal line of a sensor unit while suppressing an increase in the number of parts.
 本発明のモータユニットの一つの態様は、モータと、前記モータの状態を測定するセンサ部と、前記モータに電力を供給するインバータユニットと、前記モータと前記インバータユニットとを繋ぐ配線モジュールと、前記モータ、前記センサ部および前記配線モジュールを収容するハウジングと、を備える。前記ハウジングは、前記センサ部からの出力信号を外部に出力するコネクタ部を有する。前記コネクタ部は、前記ハウジングに固定され前記ハウジングの内外を繋ぐコネクタ本体と、前記コネクタ本体から前記ハウジングの内部に引き出されるコネクタ信号線と、前記コネクタ信号線の先端に位置するコネクタ中継端子と、を有する。前記センサ部は、センサ本体と、前記センサ本体から引き出されるセンサ信号線と、前記センサ信号線の先端に位置するセンサ中継端子と、を有する。前記センサ中継端子と前記コネクタ中継端子とは、互いに接続され、前記配線モジュールに保持される。 One aspect of the motor unit of the present invention includes a motor, a sensor unit that measures the state of the motor, an inverter unit that supplies power to the motor, a wiring module that connects the motor and the inverter unit, A motor, a housing for housing the sensor unit, and the wiring module. The housing includes a connector portion that outputs an output signal from the sensor portion to the outside. The connector part is a connector body fixed to the housing and connecting the inside and outside of the housing, a connector signal line drawn from the connector body to the inside of the housing, a connector relay terminal located at the tip of the connector signal line, Have The sensor unit includes a sensor main body, a sensor signal line drawn from the sensor main body, and a sensor relay terminal positioned at the tip of the sensor signal line. The sensor relay terminal and the connector relay terminal are connected to each other and held by the wiring module.
 本発明の一つの態様によれば、部品点数の増加を抑制しつつセンサ部の信号線を固定できるモータユニットが提供される。 According to one aspect of the present invention, there is provided a motor unit that can fix a signal line of a sensor unit while suppressing an increase in the number of parts.
図1は、一実施形態のモータユニットの断面模式図である。FIG. 1 is a schematic cross-sectional view of a motor unit according to an embodiment. 図2は、一実施形態のバスバーユニットの斜視図である。FIG. 2 is a perspective view of a bus bar unit according to an embodiment. 図3は、変形例1のバスバーユニットの斜視図である。FIG. 3 is a perspective view of the bus bar unit according to the first modification. 図4は、変形例2のバスバーユニットおよびバスバーユニットが接続されるステータの斜視図である。FIG. 4 is a perspective view of the bus bar unit of Modification 2 and a stator to which the bus bar unit is connected. 図5は、変形例2のバスバーユニットの斜視図である。FIG. 5 is a perspective view of a bus bar unit according to the second modification. 図6は、本変形例のバスバーユニットおよびバスバーユニットが接続されるステータの断面図である。FIG. 6 is a cross-sectional view of the bus bar unit of this modification and a stator to which the bus bar unit is connected.
 以下、図面を参照しながら、本発明の実施形態に係るモータユニットについて説明する。なお、本発明の範囲は、以下の実施の形態に限定されず、本発明の技術的思想の範囲内で任意に変更可能である。 Hereinafter, a motor unit according to an embodiment of the present invention will be described with reference to the drawings. The scope of the present invention is not limited to the following embodiments, and can be arbitrarily changed within the scope of the technical idea of the present invention.
 以下の説明では、モータユニット1が水平な路面上に位置する車両に搭載された場合の位置関係を基に、重力方向を規定して説明する。また、図面においては、適宜3次元直交座標系としてXYZ座標系を示す。XYZ座標系において、Z軸方向は、鉛直方向(すなわち上下方向)を示し、+Z方向が上側(重力方向の反対側)であり、-Z方向が下側(重力方向)である。また、X軸方向は、Z軸方向と直交する方向であってモータユニット1が搭載される車両の前後方向を示す。Y軸方向は、X軸方向とZ軸方向との両方と直交する方向であって、車両の幅方向(左右方向)を示す。 In the following description, the direction of gravity will be defined and described based on the positional relationship when the motor unit 1 is mounted on a vehicle located on a horizontal road surface. In the drawings, an XYZ coordinate system is appropriately shown as a three-dimensional orthogonal coordinate system. In the XYZ coordinate system, the Z-axis direction indicates the vertical direction (that is, the vertical direction), the + Z direction is the upper side (opposite to the gravity direction), and the −Z direction is the lower side (gravity direction). The X-axis direction is a direction orthogonal to the Z-axis direction and indicates the front-rear direction of the vehicle on which the motor unit 1 is mounted. The Y-axis direction is a direction orthogonal to both the X-axis direction and the Z-axis direction, and indicates the width direction (left-right direction) of the vehicle.
 以下の説明において特に断りのない限り、モータ2のモータ軸J2に平行な方向(Z軸方向)を単に「軸方向」と呼び、モータ軸J2を中心とする径方向を単に「径方向」と呼び、モータ軸J2を中心とする周方向、すなわち、モータ軸J2の軸周りを単に「周方向」と呼ぶ。 In the following description, unless otherwise specified, the direction parallel to the motor shaft J2 of the motor 2 (Z-axis direction) is simply referred to as “axial direction”, and the radial direction around the motor shaft J2 is simply referred to as “radial direction”. The circumferential direction around the motor shaft J2, that is, the circumference of the motor shaft J2, is simply referred to as “circumferential direction”.
 以下、本発明の例示的な一実施形態に係るモータユニット1について説明する。 本実施形態のモータユニット1は、ハイブリッド自動車(HEV)、プラグインハイブリッド自動車(PHV)、電気自動車(EV)等、モータを動力源とする車両に搭載され、その動力源として使用される。 Hereinafter, a motor unit 1 according to an exemplary embodiment of the present invention will be described. The motor unit 1 of this embodiment is mounted on a vehicle using a motor as a power source, such as a hybrid vehicle (HEV), a plug-in hybrid vehicle (PHV), and an electric vehicle (EV), and is used as the power source.
 図1は、モータユニット1の断面模式図である。
 モータユニット1は、モータ2と、温度センサ(センサ部)4と、バスバーユニット(配線モジュール)5と、ハウジング6と、インバータユニット8と、を備える。なお、モータユニット1は、モータ2の回転を減速して外部に出力する減速装置(図示略)を有していてもよい。
FIG. 1 is a schematic cross-sectional view of the motor unit 1.
The motor unit 1 includes a motor 2, a temperature sensor (sensor unit) 4, a bus bar unit (wiring module) 5, a housing 6, and an inverter unit 8. The motor unit 1 may have a reduction device (not shown) that reduces the rotation of the motor 2 and outputs it to the outside.
 <モータ>
 本実施形態のモータ2は、3相モータである。モータ2は、ハウジング6の内部に収容される。モータ2は、水平方向に延びるモータ軸J2を中心として回転するロータ20と、ロータ20の径方向外側に位置するステータ30と、ロータ20を回転可能に支持する一対のベアリング26,27と、を備える。本実施形態のモータ2は、インナーロータ型モータである。
<Motor>
The motor 2 of this embodiment is a three-phase motor. The motor 2 is housed inside the housing 6. The motor 2 includes a rotor 20 that rotates about a motor axis J2 that extends in the horizontal direction, a stator 30 that is positioned radially outward of the rotor 20, and a pair of bearings 26 and 27 that rotatably support the rotor 20. Prepare. The motor 2 of this embodiment is an inner rotor type motor.
 ロータ20は、インバータユニット8からステータ30に交流電流が供給されることで回転する。ロータ20は、シャフト21と、ロータコア24と、ロータマグネット(図示略)と、を有する。ロータ20(すなわち、シャフト21、ロータコア24およびロータマグネット)は、水平方向かつ車両の幅方向に延びるモータ軸J2を中心として回転する。 The rotor 20 rotates when an alternating current is supplied from the inverter unit 8 to the stator 30. The rotor 20 includes a shaft 21, a rotor core 24, and a rotor magnet (not shown). The rotor 20 (that is, the shaft 21, the rotor core 24, and the rotor magnet) rotates around a motor shaft J2 that extends in the horizontal direction and the width direction of the vehicle.
 シャフト21は、モータ軸J2を中心として軸方向に沿って延びる。シャフト21は、モータ軸J2を中心として回転する。シャフト21は、一対のベアリング26、27により回転可能に支持される。一対のベアリング26、27は、ロータコア24を挟んでシャフト21の軸方向両側にそれぞれ位置する。一対のベアリング26、27は、ハウジング6に保持される。 The shaft 21 extends along the axial direction around the motor shaft J2. The shaft 21 rotates about the motor shaft J2. The shaft 21 is rotatably supported by a pair of bearings 26 and 27. The pair of bearings 26 and 27 are located on both sides in the axial direction of the shaft 21 with the rotor core 24 interposed therebetween. The pair of bearings 26 and 27 are held by the housing 6.
 ロータコア24は、珪素鋼板を積層して構成される。ロータコア24は、軸方向に沿って延びる円柱体である。ロータコア24には、図示略の複数のロータマグネットが固定される。複数のロータマグネットは、磁極を交互にして周方向に沿って並ぶ。 The rotor core 24 is configured by laminating silicon steel plates. The rotor core 24 is a cylindrical body extending along the axial direction. A plurality of rotor magnets (not shown) are fixed to the rotor core 24. The plurality of rotor magnets are arranged along the circumferential direction with alternating magnetic poles.
 ステータ30は、ステータコア32と、コイル31と、ステータコア32とコイル31との間に介在するインシュレータ(図示略)とを有する。ステータ30は、ハウジング6に保持される。ステータコア32は、円環状のヨークの内周面から径方向内方に複数の磁極歯(図示略)を有する。磁極歯の間には、コイル線が掛けまわされる。磁極歯に掛けまわされたコイル線は、コイル31を構成する。すなわち、コイル31は、インシュレータを介してステータコア32に巻き付けられる。コイル31から延び出るコイル線は、図示略のバスバーを介してインバータユニット8に接続される。 The stator 30 has a stator core 32, a coil 31, and an insulator (not shown) interposed between the stator core 32 and the coil 31. The stator 30 is held by the housing 6. The stator core 32 has a plurality of magnetic pole teeth (not shown) radially inward from the inner peripheral surface of the annular yoke. A coil wire is wound between the magnetic pole teeth. The coil wire wound around the magnetic pole teeth constitutes the coil 31. That is, the coil 31 is wound around the stator core 32 via the insulator. A coil wire extending from the coil 31 is connected to the inverter unit 8 via a bus bar (not shown).
 <ハウジング>
 ハウジング6は、モータ2、バスバーユニット5および温度センサ4を収容する。ハウジング6の内部には、収容空間60が設けられる。モータ2、バスバーユニット5および温度センサは、収容空間60に位置する。また、ハウジング6には、第1のコネクタ部(コネクタ部)7が設けられる。
<Housing>
The housing 6 accommodates the motor 2, the bus bar unit 5, and the temperature sensor 4. A housing space 60 is provided inside the housing 6. The motor 2, the bus bar unit 5 and the temperature sensor are located in the accommodation space 60. The housing 6 is provided with a first connector portion (connector portion) 7.
 ハウジング6は、ハウジング本体65と閉塞部材61とを有する。収容空間60は、ハウジング本体65と閉塞部材61とに囲まれた空間である。ハウジング本体65および閉塞部材61は、例えばアルミダイカスト製である。 The housing 6 includes a housing main body 65 and a closing member 61. The accommodation space 60 is a space surrounded by the housing main body 65 and the closing member 61. The housing body 65 and the closing member 61 are made of, for example, aluminum die casting.
 ハウジング本体65は、モータ軸J2に沿って延びる筒状部66と、筒状部66の一方の開口を塞ぐ底部67と、を有する。ハウジング本体65は、モータ2の軸方向に開口する。ハウジング本体65の開口は、軸方向一方側(-Y方向)を向く。底部67は、ベアリング27を保持する。底部67は、ベアリング27を介してシャフト21を支持する。 The housing main body 65 has a cylindrical portion 66 extending along the motor shaft J2 and a bottom portion 67 that closes one opening of the cylindrical portion 66. The housing body 65 opens in the axial direction of the motor 2. The opening of the housing main body 65 faces one side in the axial direction (−Y direction). The bottom 67 holds the bearing 27. The bottom 67 supports the shaft 21 via the bearing 27.
 ハウジング本体65の筒状部66には、径方向に貫通する固定孔65aおよび端子通過孔65bが設けられる。固定孔65aには、第1のコネクタ部7のコネクタ本体70が固定される。また、端子通過孔65bには、インバータユニット8の端子81が挿通される。 The cylindrical portion 66 of the housing body 65 is provided with a fixing hole 65a and a terminal passage hole 65b penetrating in the radial direction. The connector main body 70 of the first connector portion 7 is fixed to the fixing hole 65a. Further, the terminal 81 of the inverter unit 8 is inserted through the terminal passage hole 65b.
 ハウジング本体65の内壁面には、バスバーユニット5が固定される台座部6bが設けられる。台座部6bは、ハウジング本体65の開口側を向く台座面6aを有する。台座面6aには、ネジ孔が設けられる。台座面6aのネジ孔には、バスバーユニット5がネジ止めされる。すなわち、ハウジング6には、バスバーユニット5をネジ止めするネジ孔が設けられる。 On the inner wall surface of the housing main body 65, a pedestal portion 6b to which the bus bar unit 5 is fixed is provided. The pedestal portion 6 b has a pedestal surface 6 a that faces the opening side of the housing body 65. Screw holes are provided in the pedestal surface 6a. The bus bar unit 5 is screwed into the screw hole of the base surface 6a. That is, the housing 6 is provided with a screw hole for screwing the bus bar unit 5.
 閉塞部材61は、ハウジング本体65の開口を覆う。閉塞部材61は、ハウジング本体65の筒状部に固定される。閉塞部材61は、軸方向において底部67と対向する。閉塞部材61は、ベアリング26を保持する。閉塞部材61は、ベアリング26を介してシャフト21を支持する。 The closing member 61 covers the opening of the housing main body 65. The closing member 61 is fixed to the cylindrical portion of the housing main body 65. The closing member 61 faces the bottom 67 in the axial direction. The closing member 61 holds the bearing 26. The closing member 61 supports the shaft 21 via the bearing 26.
 <第1のコネクタ部>
 第1のコネクタ部7は、温度センサ4からの出力信号を外部に出力する。第1のコネクタ部7は、コネクタ本体70と、第1のコネクタ信号線(コネクタ信号線)71と、コネクタ中継端子72と、第2のコネクタ信号線79と、を有する。
<First connector portion>
The first connector unit 7 outputs an output signal from the temperature sensor 4 to the outside. The first connector section 7 includes a connector body 70, a first connector signal line (connector signal line) 71, a connector relay terminal 72, and a second connector signal line 79.
 第1のコネクタ信号線71、コネクタ中継端子72および第2のコネクタ信号線79は、ハウジング6の内部(収容空間60)内に位置する。第1のコネクタ信号線71および第2のコネクタ信号線79は、コネクタ本体70からハウジング6の内部に引き出される。第1のコネクタ信号線71の先端には、コネクタ中継端子72が位置する。コネクタ中継端子72は、温度センサ4のセンサ中継端子42に接続される。第1のコネクタ信号線71は、温度センサ4からの出力信号をコネクタ本体70に伝える。第2のコネクタ信号線79は、図示略のレゾルバに接続される第2のコネクタ信号線79は、レゾルバで検出したロータ20の回転角をコネクタ本体70に伝える。 The first connector signal line 71, the connector relay terminal 72, and the second connector signal line 79 are located inside the housing 6 (accommodating space 60). The first connector signal line 71 and the second connector signal line 79 are drawn from the connector main body 70 into the housing 6. A connector relay terminal 72 is located at the tip of the first connector signal line 71. The connector relay terminal 72 is connected to the sensor relay terminal 42 of the temperature sensor 4. The first connector signal line 71 transmits an output signal from the temperature sensor 4 to the connector main body 70. The second connector signal line 79 is connected to a resolver (not shown), and the second connector signal line 79 transmits the rotation angle of the rotor 20 detected by the resolver to the connector body 70.
 コネクタ本体70は、ハウジング本体65に設けられた固定孔65aに取り付けられる。コネクタ本体70は、固定孔65aに径方向外側から挿入され、ハウジング本体65の外側面にネジ止めされる。すなわち、コネクタ本体70は、ハウジング6に固定される。これにより、コネクタ本体70は、ハウジング6の内外を繋ぐ。 The connector main body 70 is attached to a fixing hole 65 a provided in the housing main body 65. The connector body 70 is inserted into the fixing hole 65 a from the outside in the radial direction, and is screwed to the outer surface of the housing body 65. That is, the connector main body 70 is fixed to the housing 6. Thereby, the connector main body 70 connects the inside and outside of the housing 6.
 コネクタ本体70は、ハウジング6の外部において、外部配線73に接続される。外部配線73の一端は、第1のコネクタ部7のコネクタ本体70に接続される。また、外部配線73の他端は、インバータユニット8に設けられる第2のコネクタ部74に接続される。したがって、温度センサ4およびレゾルバ(図示略)からの出力信号は、外部配線73を介してインバータユニット8に送信される。 The connector body 70 is connected to the external wiring 73 outside the housing 6. One end of the external wiring 73 is connected to the connector main body 70 of the first connector portion 7. The other end of the external wiring 73 is connected to a second connector part 74 provided in the inverter unit 8. Therefore, output signals from the temperature sensor 4 and the resolver (not shown) are transmitted to the inverter unit 8 via the external wiring 73.
 <インバータユニット>
 インバータユニット8は、モータ2に電力を供給するとともにモータ2を制御する。インバータユニット8は、ハウジング6の外側面に固定される。インバータユニット8は、インバータ82と、制御部83と、ケース80と、を有する。
<Inverter unit>
The inverter unit 8 supplies power to the motor 2 and controls the motor 2. The inverter unit 8 is fixed to the outer surface of the housing 6. The inverter unit 8 includes an inverter 82, a control unit 83, and a case 80.
 ケース80は、インバータ82および制御部83を収容する。ケース80には、第2のコネクタ部74が設けられる。第2のコネクタ部74は、ケース80の外側面に固定される。第2のコネクタ部74には、外部配線73が接続される。第2のコネクタ部74は、ケース80の内部において、制御部83に接続される。 Case 80 accommodates an inverter 82 and a control unit 83. The case 80 is provided with a second connector portion 74. The second connector portion 74 is fixed to the outer surface of the case 80. An external wiring 73 is connected to the second connector portion 74. The second connector unit 74 is connected to the control unit 83 inside the case 80.
 インバータ82は、図示略の外部装置から供給された直流電流を交流電流に変換してモータ2に供給する。インバータ82は、例えば、パワー基板、コンデンサ、スイッチング素子などを有する。インバータ82は、外部電源装置(図示略)に接続される。外部電源装置は、例えば車両に搭載された二次電池である。 The inverter 82 converts a direct current supplied from an external device (not shown) into an alternating current and supplies it to the motor 2. The inverter 82 includes, for example, a power board, a capacitor, a switching element, and the like. The inverter 82 is connected to an external power supply device (not shown). The external power supply device is, for example, a secondary battery mounted on a vehicle.
 インバータ82は、3つの端子81を有する。3つの端子81は、モータ2側に突出する。3つの端子81は、ハウジング6に設けられる端子通過孔65bを通過する。3つの端子81の先端は、ハウジング6の内部に位置する。 The inverter 82 has three terminals 81. The three terminals 81 protrude to the motor 2 side. The three terminals 81 pass through a terminal passage hole 65 b provided in the housing 6. The tips of the three terminals 81 are located inside the housing 6.
 制御部83は、インバータ82を介してモータ2に接続されてモータ2を制御する。制御部83は、温度センサ4で測定されたモータ2の温度を監視する。また、制御部83は、レゾルバ(図示略)により測定されるモータ2の回転数を基に、モータ2の回転数をフィードバック制御する。 The controller 83 is connected to the motor 2 via the inverter 82 and controls the motor 2. The control unit 83 monitors the temperature of the motor 2 measured by the temperature sensor 4. The control unit 83 feedback-controls the rotational speed of the motor 2 based on the rotational speed of the motor 2 measured by a resolver (not shown).
 <温度センサ(センサ部)> <Temperature sensor (sensor part)>
 温度センサ4は、モータ2の温度を測定する。より具体的には、温度センサ4は、モータ2において最も温度が高まるステータ30のコイル31の温度を測定する。すなわち、温度センサ4は、モータ2の温度の状態を測定する。 The temperature sensor 4 measures the temperature of the motor 2. More specifically, the temperature sensor 4 measures the temperature of the coil 31 of the stator 30 where the temperature is highest in the motor 2. That is, the temperature sensor 4 measures the temperature state of the motor 2.
 温度センサ4は、センサ本体40と、センサ本体40から引き出されるセンサ信号線41と、センサ信号線41の先端に位置するセンサ中継端子42と、を有する。センサ本体40は、モータ2のコイル31に固定される。センサ本体40としては、例えば、サーミスタを採用することができる。 The temperature sensor 4 has a sensor main body 40, a sensor signal line 41 drawn from the sensor main body 40, and a sensor relay terminal 42 positioned at the tip of the sensor signal line 41. The sensor body 40 is fixed to the coil 31 of the motor 2. As the sensor body 40, for example, a thermistor can be employed.
 センサ中継端子42は、第1のコネクタ部7のコネクタ中継端子72に接続される。センサ中継端子42とコネクタ中継端子72とは、互いに接続されて、信号線中継部3を構成する。センサ中継端子42およびコネクタ中継端子72は、それぞれ軸方向に沿って延びる角柱形状である。センサ中継端子42とコネクタ中継端子72とは、軸方向を向く端面同士を互いに向い合せて接続される。センサ中継端子42とコネクタ中継端子72とは、スナップフィットにより互いに機械的に固定される。また、センサ中継端子42とコネクタ中継端子72とは、互いに電気的に接続される。 The sensor relay terminal 42 is connected to the connector relay terminal 72 of the first connector portion 7. The sensor relay terminal 42 and the connector relay terminal 72 are connected to each other to form the signal line relay unit 3. The sensor relay terminal 42 and the connector relay terminal 72 each have a prismatic shape extending along the axial direction. The sensor relay terminal 42 and the connector relay terminal 72 are connected with their end faces facing in the axial direction facing each other. The sensor relay terminal 42 and the connector relay terminal 72 are mechanically fixed to each other by snap fit. The sensor relay terminal 42 and the connector relay terminal 72 are electrically connected to each other.
 <バスバーユニット(配線モジュール)>
 バスバーユニット5は、モータ2とインバータユニット8とを繋ぐ。バスバーユニット5は、3つのバスバー50と、バスバー50を保持するバスバーホルダ51と、を有する。
<Bus bar unit (wiring module)>
The bus bar unit 5 connects the motor 2 and the inverter unit 8. The bus bar unit 5 includes three bus bars 50 and a bus bar holder 51 that holds the bus bar 50.
 バスバー50は、導体からなる。3つのバスバー50は、例えば、モータ2のU相、V相およびW相のコイル31に接続される。また、3つのバスバー50は、それぞれ、インバータユニット8から延び出る3つの端子81に接続される。バスバー50は、インバータユニット8のインバータ82から出力される交流電流をモータ2に供給する。バスバー50は、バスバーホルダ51に固定される。 The bus bar 50 is made of a conductor. The three bus bars 50 are connected to, for example, the U-phase, V-phase, and W-phase coils 31 of the motor 2. The three bus bars 50 are connected to three terminals 81 extending from the inverter unit 8, respectively. The bus bar 50 supplies the alternating current output from the inverter 82 of the inverter unit 8 to the motor 2. The bus bar 50 is fixed to the bus bar holder 51.
 バスバーホルダ51は、絶縁性の材料からなる。本実施形態において、バスバーホルダ51は、樹脂材料からなる。バスバーホルダ51は、バスバー50を保持するホルダ本体部54と、ホルダ本体部54から突出する中継端子保持部52および固定部53を有する。 The bus bar holder 51 is made of an insulating material. In the present embodiment, the bus bar holder 51 is made of a resin material. The bus bar holder 51 includes a holder main body portion 54 that holds the bus bar 50, a relay terminal holding portion 52 that protrudes from the holder main body portion 54, and a fixing portion 53.
 図2は、バスバーユニット5の斜視図である。
 固定部53は、ホルダ本体部54から軸方向(Y軸方向)と直交する方向に突出する。固定部53は、軸方向と直交する平面(X-Z平面)に沿って延びる板状である。固定部53には、軸方向に延びる貫通孔が設けられる。貫通孔には、固定ネジ59が挿通される。固定ネジ59は、ハウジング6の台座面6aに設けられたネジ孔にネジ止めされる。これにより、バスバーユニット5は、ハウジング6に固定される。
FIG. 2 is a perspective view of the bus bar unit 5.
The fixing portion 53 protrudes from the holder main body portion 54 in a direction orthogonal to the axial direction (Y-axis direction). The fixed portion 53 has a plate shape extending along a plane (XZ plane) orthogonal to the axial direction. The fixing portion 53 is provided with a through hole extending in the axial direction. A fixing screw 59 is inserted through the through hole. The fixing screw 59 is screwed into a screw hole provided in the pedestal surface 6 a of the housing 6. Thereby, the bus bar unit 5 is fixed to the housing 6.
 本実施形態によれば、バスバーユニット5が固定されるハウジング6の台座面6aは、軸方向一方側(-Y方向)を向く。すなわち、台座面6aは、ハウジング本体65の開口方向を向く。したがって、バスバーユニット5は、ハウジング本体65の開口方向から台座面6aのネジ孔にネジ止めされる。本実施形態によれば、バスバーユニット5をハウジング本体65に組み付ける工程を、ハウジング本体65の開口側から行うことができ、組み立て工程の簡易性を高めることができる。 According to the present embodiment, the pedestal surface 6a of the housing 6 to which the bus bar unit 5 is fixed faces the one side in the axial direction (−Y direction). That is, the pedestal surface 6 a faces the opening direction of the housing body 65. Accordingly, the bus bar unit 5 is screwed into the screw hole of the pedestal surface 6 a from the opening direction of the housing main body 65. According to this embodiment, the process of assembling the bus bar unit 5 to the housing main body 65 can be performed from the opening side of the housing main body 65, and the simplicity of the assembly process can be improved.
 中継端子保持部52は、ホルダ本体部54から軸方向(Y軸方向)と直交する方向に突出する。中継端子保持部52には、軸方向の一方側に開口する嵌合凹部52aが設けられる。嵌合凹部52aは、嵌合凹部52aの開口方向から見て矩形状である。 The relay terminal holding part 52 protrudes from the holder main body part 54 in a direction orthogonal to the axial direction (Y-axis direction). The relay terminal holding portion 52 is provided with a fitting recess 52a that opens to one side in the axial direction. The fitting recess 52a has a rectangular shape when viewed from the opening direction of the fitting recess 52a.
 嵌合凹部52aには、互いに接続されて信号線中継部3を構成するセンサ中継端子42およびコネクタ中継端子72が挿入される。嵌合凹部52aの内周面は、信号線中継部3の外周面と嵌合する。これにより、バスバーユニット5は、センサ中継端子42およびコネクタ中継端子72を保持する。 The sensor relay terminal 42 and the connector relay terminal 72 that are connected to each other and constitute the signal line relay unit 3 are inserted into the fitting recess 52a. The inner peripheral surface of the fitting recess 52 a is fitted with the outer peripheral surface of the signal line relay unit 3. Thereby, the bus bar unit 5 holds the sensor relay terminal 42 and the connector relay terminal 72.
 本実施形態において、温度センサ4は、ハウジング6に組み付けられる前にモータ2に予め取り付けられる。また、第1のコネクタ部7は、ハウジング6の外側から固定孔65aに取り付けられる。したがって、温度センサ4のセンサ信号線41と、第1のコネクタ部7の第1のコネクタ信号線71とは、モータ2がハウジング6に組み付けられた後に、互いに接続される。センサ中継端子42とコネクタ中継端子72とが互いに接続されて構成される信号線中継部3は、信号線の経路中に設けられた重量物である。このため、信号線中継部3は、振動などによってハウジング6の内壁に衝突して損傷を受ける虞がある。 In this embodiment, the temperature sensor 4 is attached to the motor 2 in advance before being assembled to the housing 6. The first connector portion 7 is attached to the fixing hole 65 a from the outside of the housing 6. Therefore, the sensor signal line 41 of the temperature sensor 4 and the first connector signal line 71 of the first connector portion 7 are connected to each other after the motor 2 is assembled to the housing 6. The signal line relay unit 3 configured by connecting the sensor relay terminal 42 and the connector relay terminal 72 to each other is a heavy object provided in the signal line path. For this reason, the signal line relay portion 3 may be damaged by colliding with the inner wall of the housing 6 due to vibration or the like.
 本実施形態によれば、信号線中継部3は、バスバーユニット5に保持される。このため、信号線中継部3が、収容空間60においてハウジング6の内壁に衝突することを抑制できる。これにより、信号線中継部3の損傷を抑制し、モータユニット1の信頼性を高めることができる。 According to the present embodiment, the signal line relay unit 3 is held by the bus bar unit 5. For this reason, it is possible to suppress the signal line relay unit 3 from colliding with the inner wall of the housing 6 in the accommodation space 60. Thereby, the damage of the signal line relay part 3 can be suppressed and the reliability of the motor unit 1 can be improved.
 本実施形態によれば、信号線中継部3が、バスバーユニット5に保持されるため、センサ信号線41および第1のコネクタ信号線71の位置を収容空間60において位置決めすることができる。これにより、後工程の他の部品の組み立て工程において、センサ信号線41および第1のコネクタ信号線71と他の部品とが干渉することを抑制できる。これにより、後工程の他の部品の組み立て工程における、センサ信号線41および第1のコネクタ信号線71の損傷を抑制することができる。また、後工程の他の部品の組み立て工程の簡易性を高めることができる。 According to this embodiment, since the signal line relay unit 3 is held by the bus bar unit 5, the positions of the sensor signal line 41 and the first connector signal line 71 can be positioned in the accommodation space 60. Thereby, it can suppress that the sensor signal wire | line 41 and the 1st connector signal wire | line 71 and other components interfere in the assembly process of the other components of a post process. Thereby, damage to the sensor signal line 41 and the first connector signal line 71 in the assembly process of other components in the subsequent process can be suppressed. Moreover, the simplicity of the assembly process of other components in the post-process can be enhanced.
 本実施形態において、センサ本体40からコネクタ本体70に達する信号線(センサ信号線41および第1のコネクタ信号線71)は、ステータコア32の外周面に沿って延びる。また、バスバーユニット5は、モータ2の径方向外側において、ステータコア32の外周面に沿って設けられる。このため、信号線中継部3をバスバーユニット5に保持させることで、センサ信号線41および第1のコネクタ信号線71を迂回させて引き回す必要がなく、センサ信号線41および第1のコネクタ信号線71を短くすることができる。 In the present embodiment, signal lines (sensor signal line 41 and first connector signal line 71) reaching the connector body 70 from the sensor body 40 extend along the outer peripheral surface of the stator core 32. The bus bar unit 5 is provided along the outer circumferential surface of the stator core 32 on the outer side in the radial direction of the motor 2. Therefore, by holding the signal line relay unit 3 in the bus bar unit 5, there is no need to bypass the sensor signal line 41 and the first connector signal line 71, and the sensor signal line 41 and the first connector signal line. 71 can be shortened.
 本実施形態によれば、信号線中継部3を嵌合凹部52aに挿入することで、信号線中継部3をバスバーユニット5に保持させることができる。すなわち、本実施形態によれば、信号線中継部3を容易にバスバーユニット5に保持させることができる。 According to this embodiment, the signal line relay unit 3 can be held by the bus bar unit 5 by inserting the signal line relay unit 3 into the fitting recess 52a. That is, according to the present embodiment, the signal line relay unit 3 can be easily held by the bus bar unit 5.
 本実施形態の嵌合凹部52aの開口は、軸方向一方側(-Y方向)を向く。すなわち、嵌合凹部52aの開口は、ハウジング本体65の開口を向く。本実施形態によれば、モータ2をハウジング6の内部(収容空間60)に収容した状態で、信号線中継部3を、ハウジング本体65の開口側から嵌合凹部52aに挿入することができる。このため、モータユニット1の組み立て工程において、信号線中継部3を容易にバスバーユニット5に保持させることができる。 The opening of the fitting recess 52a of this embodiment faces one side in the axial direction (−Y direction). In other words, the opening of the fitting recess 52 a faces the opening of the housing body 65. According to the present embodiment, the signal line relay portion 3 can be inserted into the fitting recess 52a from the opening side of the housing body 65 in a state where the motor 2 is accommodated in the housing 6 (accommodating space 60). For this reason, the signal line relay part 3 can be easily held by the bus bar unit 5 in the assembly process of the motor unit 1.
 中継端子保持部52は、嵌合凹部52aの開口と対向する底部52qと、底部52qの外縁から軸方向に延びる側壁部52pと、を有する。嵌合凹部52aは、底部52qと側壁部52pとに囲まれた空間である。底部52qの軸方向一方側(-Y方向)の面は、信号線中継部3の端面(より具体的には、センサ中継端子42の端面)に接触する。また、側壁部52pの内壁面は、センサ中継端子42およびコネクタ中継端子72の外周面に接触する。 The relay terminal holding part 52 has a bottom part 52q facing the opening of the fitting concave part 52a, and a side wall part 52p extending in the axial direction from the outer edge of the bottom part 52q. The fitting recess 52a is a space surrounded by the bottom 52q and the side wall 52p. The surface on one side (−Y direction) in the axial direction of the bottom 52q is in contact with the end surface of the signal line relay unit 3 (more specifically, the end surface of the sensor relay terminal 42). Further, the inner wall surface of the side wall portion 52 p is in contact with the outer peripheral surfaces of the sensor relay terminal 42 and the connector relay terminal 72.
 底部52qには、軸方向に貫通する信号線挿通孔52cが設けられる。信号線挿通孔52cには、センサ信号線41が通過する。底部52qに信号線挿通孔52cが設けられることで、中継端子保持部52が信号線中継部3を保持した状態で、信号線中継部3から延び出るセンサ信号線41に負荷が加わることを抑制できる。 In the bottom 52q, a signal line insertion hole 52c penetrating in the axial direction is provided. The sensor signal line 41 passes through the signal line insertion hole 52c. By providing the signal line insertion hole 52c in the bottom 52q, it is possible to suppress a load from being applied to the sensor signal line 41 extending from the signal line relay unit 3 while the relay terminal holding unit 52 holds the signal line relay unit 3. it can.
 なお、本実施形態の信号線中継部3は、センサ中継端子42を底部52q側にした状態で、嵌合凹部52aに挿入されるため、信号線挿通孔52cには、センサ信号線41が通過する。しかしながら、信号線中継部3が、コネクタ中継端子72を底部52q側にした状態で、嵌合凹部52aに挿入される場合、信号線挿通孔52cには、第1のコネクタ信号線71が通過する。すなわち、信号線挿通孔52cは、センサ信号線41又は第1のコネクタ信号線71を通過させる。 In addition, since the signal line relay part 3 of this embodiment is inserted in the fitting recess 52a with the sensor relay terminal 42 on the bottom 52q side, the sensor signal line 41 passes through the signal line insertion hole 52c. To do. However, when the signal line relay portion 3 is inserted into the fitting recess 52a with the connector relay terminal 72 facing the bottom 52q, the first connector signal line 71 passes through the signal line insertion hole 52c. . That is, the signal line insertion hole 52c allows the sensor signal line 41 or the first connector signal line 71 to pass through.
 側壁部52pには、軸方向に沿って延びるスリット52bが設けられる。スリット52bは、軸方向の両側(+Y方向および-Y方向)に開口する。スリット52bは、側壁部52pの厚さ方向に貫通する。スリット52bは、信号線挿通孔52cに繋がる。 The side wall 52p is provided with a slit 52b extending along the axial direction. The slits 52b open on both sides in the axial direction (+ Y direction and -Y direction). The slit 52b penetrates in the thickness direction of the side wall 52p. The slit 52b is connected to the signal line insertion hole 52c.
 本実施形態によれば、側壁部52pスリット52bが設けられるため、信号線中継部3を中継端子保持部52に挿入する工程において、センサ信号線41を側壁部52pの側部から挿入することができる。これにより、信号線中継部3を中継端子保持部52に挿入する工程を容易とすることができる。 According to this embodiment, since the side wall 52p slit 52b is provided, the sensor signal line 41 can be inserted from the side of the side wall 52p in the step of inserting the signal line relay 3 into the relay terminal holding part 52. it can. Thereby, the process of inserting the signal line relay part 3 into the relay terminal holding part 52 can be facilitated.
 本実施形態によれば、信号線中継部3が、バスバーホルダ51に保持される。すなわち、バスバーユニット5は、バスバーホルダ51において、センサ中継端子42およびコネクタ中継端子72を保持する。バスバーホルダ51は、樹脂材料から構成されるため、部品点数を増加させることなく、信号線中継部3を保持する構造を容易に設けることができる。すなわち、本実施形態によれば、信号線中継部3を強固に固定できる構造を、バスバーユニット5に容易に設けることができ、バスバーユニット5による信号線中継部3の保持を強固とすることができる。 According to the present embodiment, the signal line relay unit 3 is held by the bus bar holder 51. That is, the bus bar unit 5 holds the sensor relay terminal 42 and the connector relay terminal 72 in the bus bar holder 51. Since the bus bar holder 51 is made of a resin material, a structure for holding the signal line relay portion 3 can be easily provided without increasing the number of parts. That is, according to the present embodiment, a structure capable of firmly fixing the signal line relay unit 3 can be easily provided in the bus bar unit 5, and the holding of the signal line relay unit 3 by the bus bar unit 5 can be strengthened. it can.
 (変形例1)
 本実施形態のモータユニット1に採用可能な、変形例1のバスバーユニット(配線モジュール)105および信号線中継部103について説明する。図3は、本変形例のバスバーユニット105の斜視図である。本変形例のバスバーユニット105は、上述の実施形態と比較して、信号線中継部103の保持構造が異なる。なお、上述の実施形態と同一態様の構成要素については、同一符号を付し、その説明を省略する。
(Modification 1)
The bus bar unit (wiring module) 105 and the signal line relay unit 103 of Modification 1 that can be employed in the motor unit 1 of the present embodiment will be described. FIG. 3 is a perspective view of the bus bar unit 105 of this modification. The bus bar unit 105 of this modification is different from the above-described embodiment in the holding structure of the signal line relay unit 103. In addition, about the component of the same aspect as the above-mentioned embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.
 上述の実施形態と同様に、バスバーユニット105は、モータ2とインバータユニット8とを繋ぐ。バスバーユニット105は、3つのバスバー50と、バスバー50を保持するバスバーホルダ151と、を有する。 As in the above-described embodiment, the bus bar unit 105 connects the motor 2 and the inverter unit 8. The bus bar unit 105 includes three bus bars 50 and a bus bar holder 151 that holds the bus bars 50.
 本変形例のバスバーホルダ151は、バスバー50を保持するホルダ本体部154と、固定部153と、を有する。固定部153は、ホルダ本体部154から軸方向(Y軸方向)と直交する方向に突出する。固定部153は、軸方向と直交する平面(X-Z平面)に沿って延びる板状である。固定部153には、軸方向に延びる貫通孔が設けられる。 The bus bar holder 151 of this modification has a holder main body 154 that holds the bus bar 50 and a fixing portion 153. The fixing portion 153 protrudes from the holder main body portion 154 in a direction orthogonal to the axial direction (Y-axis direction). The fixing portion 153 has a plate shape extending along a plane (XZ plane) orthogonal to the axial direction. The fixing portion 153 is provided with a through hole extending in the axial direction.
 上述の実施形態と同様に、信号線中継部103は、温度センサ(センサ部)104のセンサ中継端子142と第1のコネクタ部107のコネクタ中継端子172とが互いに接続されて構成される。 As in the above-described embodiment, the signal line relay unit 103 is configured by connecting the sensor relay terminal 142 of the temperature sensor (sensor unit) 104 and the connector relay terminal 172 of the first connector unit 107 to each other.
 センサ中継端子142は、端子固定部143を有する。端子固定部143は、軸方向(Y軸方向)と直交する平面(X-Z平面)に沿って延びる板状である。端子固定部143には、軸方向に延びる貫通孔が設けられる。 The sensor relay terminal 142 has a terminal fixing part 143. The terminal fixing portion 143 has a plate shape extending along a plane (XZ plane) orthogonal to the axial direction (Y-axis direction). The terminal fixing portion 143 is provided with a through hole extending in the axial direction.
 バスバーホルダ151の固定部153の貫通孔およびセンサ中継端子142の端子固定部143の貫通孔には、固定ネジ59が挿通され、ハウジング6の台座面6aにネジ止めされる。これにより、バスバーホルダ151およびセンサ中継端子142は、ハウジング6に固定される。すなわち、センサ中継端子142は、バスバーユニット105とともにハウジング6に共締めされる。これにより、信号線中継部103は、バスバーユニット105に保持される。 A fixing screw 59 is inserted through the through hole of the fixing portion 153 of the bus bar holder 151 and the terminal fixing portion 143 of the sensor relay terminal 142 and is fixed to the base surface 6 a of the housing 6. Thereby, the bus bar holder 151 and the sensor relay terminal 142 are fixed to the housing 6. That is, the sensor relay terminal 142 is fastened together with the bus bar unit 105 to the housing 6. As a result, the signal line relay unit 103 is held by the bus bar unit 105.
 本変形例の信号線中継部103において、端子固定部143は、センサ中継端子142に設けられる。したがって、信号線中継部103は、センサ中継端子142において、バスバーユニット105に固定される。しかしながら、信号線中継部103は、コネクタ中継端子172に端子固定部が設けられ、コネクタ中継端子172においてバスバーユニット105に固定されていてもよい。 In the signal line relay unit 103 of this modification, the terminal fixing unit 143 is provided on the sensor relay terminal 142. Therefore, the signal line relay unit 103 is fixed to the bus bar unit 105 at the sensor relay terminal 142. However, the signal line relay unit 103 may be fixed to the bus bar unit 105 at the connector relay terminal 172 by providing a terminal fixing unit at the connector relay terminal 172.
 また、センサ中継端子142とコネクタ中継端子172とに、端子固定部がそれぞれ設けられていてもよい。この場合、センサ中継端子142の端子固定部とコネクタ中継端子172の端子固定部は、軸方向に対向して互いに接触する。また、センサ中継端子142の端子固定部とコネクタ中継端子172の端子固定部は、バスバーユニット105とともにハウジング6に共締めされる。すなわち、センサ中継端子142およびコネクタ中継端子172のうち少なくとも一方が、バスバーユニット105とともにハウジング6に共締めされていればよい。 Further, terminal fixing portions may be provided on the sensor relay terminal 142 and the connector relay terminal 172, respectively. In this case, the terminal fixing portion of the sensor relay terminal 142 and the terminal fixing portion of the connector relay terminal 172 are opposed to each other in the axial direction. Further, the terminal fixing portion of the sensor relay terminal 142 and the terminal fixing portion of the connector relay terminal 172 are fastened together with the bus bar unit 105 to the housing 6. That is, at least one of the sensor relay terminal 142 and the connector relay terminal 172 only needs to be fastened together with the bus bar unit 105 to the housing 6.
 本変形例によれば、バスバーユニット105と信号線中継部103とがハウジング6に共締めされる。このため、バスバーユニット105をハウジング6に固定する工程において、バスバーユニット105に信号線中継部103を保持させることができる。このため、バスバーユニット105とハウジング6とを固定する為に別途部品を用意する必要がなく、部品点数の増加を抑制できる。加えて、バスバーユニット105とハウジング6とを固定する工程を別途行う必要がないため、組み立て工程を簡素化できる。 According to this modification, the bus bar unit 105 and the signal line relay unit 103 are fastened together with the housing 6. For this reason, in the process of fixing the bus bar unit 105 to the housing 6, the signal line relay unit 103 can be held by the bus bar unit 105. For this reason, it is not necessary to separately prepare parts for fixing the bus bar unit 105 and the housing 6, and an increase in the number of parts can be suppressed. In addition, since it is not necessary to separately perform a process of fixing the bus bar unit 105 and the housing 6, the assembly process can be simplified.
 本変形例において、バスバーユニット105および信号線中継部103が固定されるハウジング6の台座面6aは、軸方向一方側(-Y方向)を向く。したがって、バスバーユニット105および信号線中継部103は、ハウジング本体65の開口方向から台座面6aのネジ孔にネジ止めされる。本変形例によれば、バスバーユニット105および信号線中継部103をハウジング本体65に組み付ける工程を、ハウジング本体65の開口側から行うことができ、組み立て工程の簡易性を高めることができる。 In this modification, the pedestal surface 6a of the housing 6 to which the bus bar unit 105 and the signal line relay unit 103 are fixed faces one side in the axial direction (−Y direction). Therefore, the bus bar unit 105 and the signal line relay portion 103 are screwed into the screw holes of the pedestal surface 6a from the opening direction of the housing body 65. According to this modification, the process of assembling the bus bar unit 105 and the signal line relay portion 103 to the housing body 65 can be performed from the opening side of the housing body 65, and the simplicity of the assembly process can be improved.
 (変形例2)
 本実施形態のモータユニット1に採用可能な、変形例のバスバーユニット(配線モジュール)205について説明する。図4は、本変形例のバスバーユニット205およびバスバーユニット205が接続されるステータ30の斜視図である。なお、上述の実施形態と同一態様の構成要素については、同一符号を付し、その説明を省略する。
(Modification 2)
A modified bus bar unit (wiring module) 205 that can be employed in the motor unit 1 of the present embodiment will be described. FIG. 4 is a perspective view of the bus bar unit 205 and the stator 30 to which the bus bar unit 205 of the present modification is connected. In addition, about the component of the same aspect as the above-mentioned embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.
 以下の説明において、第1方向D1と、第1方向と直交する第2方向D2を想定する。本変形例において、第1方向D1は、軸方向と平行な方向である。第1方向D1一方側とは、図4において矢印D1が向く方向であり-Y方向を意味し、他方側とは+Y方向を意味する。また、本変形例において、第2方向D2は、径方向と直交する方向であって、周方向に沿う方向である。第2方向D2一方側とは図4において矢印D2が向く方向である。 In the following description, a first direction D1 and a second direction D2 orthogonal to the first direction are assumed. In the present modification, the first direction D1 is a direction parallel to the axial direction. The first direction D1 on one side is the direction in which the arrow D1 faces in FIG. 4 and means the −Y direction, and the other side means the + Y direction. In the present modification, the second direction D2 is a direction orthogonal to the radial direction and along the circumferential direction. The second direction D2 one side is the direction in which the arrow D2 faces in FIG.
 上述の実施形態と同様に、バスバーユニット205は、モータ2とインバータユニット8とを繋ぐ。バスバーユニット205は、3つのバスバー250と、バスバー250を保持するバスバーホルダ251と、を有する。 As in the above-described embodiment, the bus bar unit 205 connects the motor 2 and the inverter unit 8. The bus bar unit 205 includes three bus bars 250 and a bus bar holder 251 that holds the bus bar 250.
 バスバー250は、板状の導体からなる。3つのバスバー250は、それぞれインバータ接続部250aと、端子接続部250bと、軸方向延在部(延在部)250c、を有する。 The bus bar 250 is made of a plate-like conductor. Each of the three bus bars 250 has an inverter connection part 250a, a terminal connection part 250b, and an axially extending part (extending part) 250c.
 インバータ接続部250aは、ステータコア32の径方向外側に位置する。インバータ接続部250aは、インバータ82の端子81(図1参照)に接続される。 The inverter connection portion 250a is located on the radially outer side of the stator core 32. The inverter connecting part 250a is connected to the terminal 81 (see FIG. 1) of the inverter 82.
 端子接続部250bは、ステータコア32の軸方向他方側(+Y側)に位置する。端子接続部250bは、モータ2のコイル31に接続される。より具体的には、端子接続部250bは、コイル31から延び出て束ねられた導線に接続される。 The terminal connecting portion 250b is located on the other axial side (+ Y side) of the stator core 32. The terminal connection part 250 b is connected to the coil 31 of the motor 2. More specifically, the terminal connection portion 250b is connected to a conductive wire that extends from the coil 31 and is bundled.
 軸方向延在部250cは、軸方向に沿って延びる。すなわち、軸方向延在部250cは、第1方向D1に沿って延びる。3つのバスバー250の軸方向延在部250cは、周方向に沿って並ぶ。軸方向延在部250cは、ステータコア32の径方向外側に位置する。軸方向延在部250cは、モータ軸J2の径方向に沿う方向を板厚方向とする。 The axially extending portion 250c extends along the axial direction. That is, the axially extending portion 250c extends along the first direction D1. The axially extending portions 250c of the three bus bars 250 are arranged along the circumferential direction. The axially extending portion 250 c is located on the radially outer side of the stator core 32. The axially extending portion 250c has a direction along the radial direction of the motor shaft J2 as a plate thickness direction.
 軸方向延在部250cは、インバータ接続部250aと端子接続部250bとの間に位置しこれらを繋ぐ。軸方向延在部250cとインバータ接続部250aとの間には、軸方向以外方向に延びる部位が介在していてもよい。同様に、軸方向延在部250cと端子接続部250bとの間には、軸方向以外方向に延びる部位が設けられていてもよい。 The axially extending portion 250c is located between the inverter connecting portion 250a and the terminal connecting portion 250b and connects them. A portion extending in a direction other than the axial direction may be interposed between the axially extending portion 250c and the inverter connecting portion 250a. Similarly, a portion extending in a direction other than the axial direction may be provided between the axially extending portion 250c and the terminal connecting portion 250b.
 バスバーホルダ251は、バスバー250を保持するホルダ本体部254と、信号線中継部3を保持する中継端子保持部252と、センサ信号線41を保持する信号線保持部255と、を有する。 The bus bar holder 251 includes a holder main body 254 that holds the bus bar 250, a relay terminal holding part 252 that holds the signal line relay part 3, and a signal line holding part 255 that holds the sensor signal line 41.
 ホルダ本体部254には、3つのバスバー250が埋め込まれる。すなわち、バスバーホルダ251は、バスバー250を金型内で保持した状態でインサート成形される。ホルダ本体部254は、バスバーホルダ251において、バスバー250の周囲を囲む部位である。 Three bus bars 250 are embedded in the holder main body 254. That is, the bus bar holder 251 is insert-molded with the bus bar 250 held in the mold. The holder body 254 is a part surrounding the bus bar 250 in the bus bar holder 251.
 ホルダ本体部254は、主にバスバー250の軸方向延在部250cを保持する。このため、ホルダ本体部254は、軸方向に沿って延びる。なお、バスバー250のインバータ接続部250aおよび端子接続部250bは、ホルダ本体部254から露出する。 The holder main body 254 mainly holds the axially extending portion 250c of the bus bar 250. For this reason, the holder body 254 extends along the axial direction. Note that the inverter connection portion 250 a and the terminal connection portion 250 b of the bus bar 250 are exposed from the holder main body portion 254.
 中継端子保持部252は、ホルダ本体部254の径方向外側を向く面から径方向外側に突出する。中継端子保持部252には、第1方向D1他方側に開口する嵌合凹部252aが設けられる。嵌合凹部252aには、信号線中継部3が挿入される。嵌合凹部252aの内周面は、信号線中継部3の外周面と嵌合する。これにより、バスバーユニット205は、信号線中継部3を保持する。 The relay terminal holding portion 252 protrudes radially outward from the surface of the holder main body 254 that faces radially outward. The relay terminal holding part 252 is provided with a fitting recess 252a that opens to the other side in the first direction D1. The signal line relay unit 3 is inserted into the fitting recess 252a. The inner peripheral surface of the fitting recess 252 a is fitted with the outer peripheral surface of the signal line relay unit 3. Thereby, the bus bar unit 205 holds the signal line relay unit 3.
 信号線保持部255は、ホルダ本体部254の径方向外側を向く面から径方向外側に突出する第1の壁部(壁部)256、第2の壁部(壁部)257および第3の壁部(対向壁部)258を有する。すなわち、信号線保持部255は、複数の壁部を有する。 The signal line holding portion 255 includes a first wall portion (wall portion) 256, a second wall portion (wall portion) 257, and a third wall portion that protrude radially outward from the surface of the holder main body portion 254 that faces radially outward. It has a wall portion (opposing wall portion) 258. That is, the signal line holding part 255 has a plurality of wall parts.
 第1の壁部256は、第1方向D1に沿って延びる。第1の壁部256は、第2方向D2一方側を向く面において、センサ信号線41を沿わせる。第1の壁部256は、第2方向D2他方側からセンサ信号線41をガイドする。 The first wall 256 extends along the first direction D1. The first wall portion 256 extends the sensor signal line 41 along the surface facing the one side in the second direction D2. The first wall portion 256 guides the sensor signal line 41 from the other side in the second direction D2.
 第2の壁部257は、第1の壁部256に対し第1方向D1一方側に位置する。第2の壁部257は、第1方向D1に沿って延びる。第2の壁部257は、第2の壁部257の第1方向D1への延長線上に位置する。第2の壁部257は、第2方向D2一方側を向く面において、センサ信号線41を沿わせる。第2の壁部257は、第1の壁部256とともに、第2方向D2他方側において、センサ信号線41をガイドする。 The second wall portion 257 is located on one side in the first direction D1 with respect to the first wall portion 256. The second wall portion 257 extends along the first direction D1. The second wall portion 257 is located on an extension line of the second wall portion 257 in the first direction D1. The second wall portion 257 runs along the sensor signal line 41 on the surface facing the one side in the second direction D2. The second wall portion 257 guides the sensor signal line 41 along with the first wall portion 256 on the other side in the second direction D2.
 第3の壁部258は、第2の壁部257に対し第2方向D2一方側に位置する。第3の壁部258は、第1方向D1に沿って延びる。第3の壁部258は、第2方向D2他方側を向く面において、センサ信号線41を沿わせる。第3の壁部258は、センサ信号線41を挟んで第2の壁部257と対向する。第2の壁部257と第3の壁部258の第2方向D2に沿う距離寸法は、センサ信号線41の線径と略同じである。 The third wall portion 258 is located on one side in the second direction D2 with respect to the second wall portion 257. The third wall portion 258 extends along the first direction D1. The third wall portion 258 runs along the sensor signal line 41 on the surface facing the other side in the second direction D2. The third wall portion 258 faces the second wall portion 257 with the sensor signal line 41 interposed therebetween. The distance dimension along the second direction D2 between the second wall portion 257 and the third wall portion 258 is substantially the same as the diameter of the sensor signal line 41.
 本変形例によれば、バスバーホルダ251は、信号線中継部3を保持する中継端子保持部252と、センサ信号線41を保持する信号線保持部255と、をそれぞれ有する。このため、センサ本体40から中継端子保持部252までが遠くセンサ信号線41が長く構成される場合であっても、センサ信号線41がハウジング6の内壁に衝突することを抑制できる。これにより、センサ信号線41の損傷を抑制できる。また、センサ信号線41が、ハウジング6内で位置決めされるため、後工程の他の部品の組み立て工程の簡易性を高めることができる。 According to this modification, the bus bar holder 251 includes the relay terminal holding unit 252 that holds the signal line relay unit 3 and the signal line holding unit 255 that holds the sensor signal line 41, respectively. For this reason, even if the sensor signal line 41 is long and the sensor body 40 is far from the relay terminal holding part 252, the sensor signal line 41 can be prevented from colliding with the inner wall of the housing 6. Thereby, damage to the sensor signal line 41 can be suppressed. In addition, since the sensor signal line 41 is positioned in the housing 6, it is possible to improve the simplicity of the assembly process of other components in the subsequent process.
 本変形例によれば、センサ信号線41は、第2の壁部257と第3の壁部258との間に挟まれて保持される。センサ信号線41を、壁部の互いに対向する面で挟むことで、センサ信号線41に局所的な力が付与されることを抑制できる。
 なお、信号線保持部255が保持する信号線は、第1のコネクタ信号線71およびセンサ信号線41のうち少なくとも一方であればよい。
According to this modification, the sensor signal line 41 is sandwiched and held between the second wall portion 257 and the third wall portion 258. By sandwiching the sensor signal line 41 between the opposing surfaces of the wall portion, it is possible to suppress a local force from being applied to the sensor signal line 41.
The signal line held by the signal line holding unit 255 may be at least one of the first connector signal line 71 and the sensor signal line 41.
 バスバー250には、周波数が高くかつ大電流の交流電流が流れる。このため、バスバー250の周囲には大きな磁場が発生する。また、軸方向延在部250cの周囲では、3本のバスバー250が同一方向(第1方向D1)に延びるため周囲を通過する導線に磁気ノイズが生じやすくなる場合がある。
 本変形例によれば、第1の壁部256および第2の壁部257は、バスバーホルダ251において第2方向D2一方側に偏って配置される。また、センサ信号線41は、第1の壁部256および第2の壁部257の第2方向D2一方側を向く面に沿って引き回される。第1の壁部256および第2の壁部257は、ホルダ本体部254に保持される3つの軸方向延在部250cとセンサ信号線41との距離を一定以上に維持させている。これにより、センサ信号線41への磁気ノイズの影響を抑制することができる。
 なお、センサ信号線41および第1のコネクタ信号線71には、磁気ノイズの影響を受けにくいツイストペアケーブルを用いることが好ましい。
A large alternating current having a high frequency flows through the bus bar 250. For this reason, a large magnetic field is generated around the bus bar 250. In addition, since the three bus bars 250 extend in the same direction (first direction D1) around the axially extending portion 250c, magnetic noise may easily occur in the conducting wire passing therearound.
According to the present modification, the first wall portion 256 and the second wall portion 257 are arranged in the bus bar holder 251 so as to be biased toward one side in the second direction D2. The sensor signal line 41 is routed along a surface of the first wall portion 256 and the second wall portion 257 that faces the one side in the second direction D2. The first wall portion 256 and the second wall portion 257 maintain the distance between the three axially extending portions 250c held by the holder main body portion 254 and the sensor signal line 41 at a certain level or more. Thereby, the influence of the magnetic noise on the sensor signal line 41 can be suppressed.
The sensor signal line 41 and the first connector signal line 71 are preferably twisted pair cables that are not easily affected by magnetic noise.
 本変形例の第2の壁部257は、第1方向D1一方側の端部に位置する湾曲部257aを有する。同様に、第3の壁部258は、第1方向D1一方側の端部に位置する湾曲部258aを有する。湾曲部257a、258aは、第1方向D1一方側に向かうに従い第2方向D2他方側に向かって湾曲する。第2の壁部257と第3の壁部258との間に挟まれるセンサ信号線41は、湾曲部257a、258aの間で、湾曲部257a、258aに沿って引き回される。このため、センサ信号線41は、信号線保持部255の第1方向D1一方側で、第2方向D2他方側に延び出る。 The second wall portion 257 of this modification has a curved portion 257a located at the end portion on one side in the first direction D1. Similarly, the 3rd wall part 258 has the curved part 258a located in the edge part of the 1st direction D1 one side. The curved portions 257a and 258a bend toward the other side in the second direction D2 as it goes toward the one side in the first direction D1. The sensor signal line 41 sandwiched between the second wall portion 257 and the third wall portion 258 is routed along the curved portions 257a and 258a between the curved portions 257a and 258a. Therefore, the sensor signal line 41 extends on the one side in the first direction D1 of the signal line holding unit 255 and on the other side in the second direction D2.
 また、本変形例の中継端子保持部252は、湾曲部257a、258aの第1方向D1一方側に位置する。中継端子保持部252は、センサ信号線41が第2方向D2一方側に延び出た状態で信号線中継部3を保持する。 Moreover, the relay terminal holding part 252 of this modification is located on one side in the first direction D1 of the bending parts 257a and 258a. The relay terminal holding unit 252 holds the signal line relay unit 3 in a state where the sensor signal line 41 extends to one side in the second direction D2.
 本変形例によれば、センサ信号線41は、信号線保持部255から第2方向D2他方側に延び出る。また、センサ信号線41は、中継端子保持部252から第2方向D2一方側に延び出る。このため、センサ信号線41は、信号線保持部255と中継端子保持部252との間でS字状に湾曲し、センサ信号線41は、自身の弾性で第3の壁部258の湾曲部258aに押し付けられる。結果的に、センサ信号線41が信号線保持部255から離脱することを抑制できる。 According to this modification, the sensor signal line 41 extends from the signal line holding unit 255 to the other side in the second direction D2. Further, the sensor signal line 41 extends from the relay terminal holding part 252 to one side in the second direction D2. For this reason, the sensor signal line 41 is bent in an S shape between the signal line holding part 255 and the relay terminal holding part 252, and the sensor signal line 41 is bent by the elastic part of the third wall part 258. 258a. As a result, it is possible to suppress the sensor signal line 41 from being detached from the signal line holding unit 255.
 図5は、バスバーホルダ251の裏面251a側から見たバスバーユニット205の斜視図である。また、図6は、本変形例のバスバーユニット205およびバスバーユニット205が接続されるステータ30の断面図である。なお、本明細書において、バスバーホルダ251の裏面251aとは、バスバーホルダ251の外周面のうちステータコア32の外周面と対向する面である。 FIG. 5 is a perspective view of the bus bar unit 205 viewed from the back surface 251a side of the bus bar holder 251. FIG. FIG. 6 is a cross-sectional view of the bus bar unit 205 and the stator 30 to which the bus bar unit 205 of the present modification is connected. In the present specification, the back surface 251 a of the bus bar holder 251 is a surface facing the outer peripheral surface of the stator core 32 among the outer peripheral surfaces of the bus bar holder 251.
 図5に示すように、バスバーホルダ251の裏面251aには、第1方向D1(すなわち軸方向)に延びる複数の第1リブ259Aと第2方向D2に延びる複数の第2リブ259Bとが設けられる。第1リブ259Aと第2リブ259Bとは、互いに交差する。 As shown in FIG. 5, a plurality of first ribs 259A extending in the first direction D1 (that is, the axial direction) and a plurality of second ribs 259B extending in the second direction D2 are provided on the back surface 251a of the bus bar holder 251. . The first rib 259A and the second rib 259B intersect each other.
 第1リブ259Aおよび第2リブ259Bの先端には、ステータコア32の外周面に接触する接触面251bが設けられる。すなわち、バスバーホルダ251は、接触面251bにおいて、ステータコア32の外周面に接触する。接触面251bは、ステータコア32の外周面に沿って円弧状に凹む。なお、図5において、接触面251bをドット模様で強調して示す。 A contact surface 251b that contacts the outer peripheral surface of the stator core 32 is provided at the tips of the first rib 259A and the second rib 259B. That is, the bus bar holder 251 contacts the outer peripheral surface of the stator core 32 at the contact surface 251b. The contact surface 251 b is recessed in an arc shape along the outer peripheral surface of the stator core 32. In FIG. 5, the contact surface 251b is highlighted with a dot pattern.
 接触面251bには複数の切欠部251cが設けられる。切欠部251cは、径方向外側に凹み、第2方向D2(すなわち周方向)に沿って延びる。本変形例において、接触面251bは、第1リブ259Aの先端に位置するため、複数の切欠部251cは、第1リブ259Aを厚さ方向に貫通する。 The contact surface 251b is provided with a plurality of notches 251c. The notch 251c is recessed outward in the radial direction and extends along the second direction D2 (that is, the circumferential direction). In the present modification, the contact surface 251b is located at the tip of the first rib 259A, and thus the plurality of notches 251c penetrate the first rib 259A in the thickness direction.
 ステータ30のコイル31に電力が供給されるとステータ30は、発熱する。出力の大きなモータ2では、ステータ30を冷却するために、ステータ30の上側からステータ30に冷却用のオイルを供給することが行われる。オイルの一部は、ステータコア32の上側からステータコア32の外周面を伝ってステータコア32全体を冷却する。 When the power is supplied to the coil 31 of the stator 30, the stator 30 generates heat. In the motor 2 having a large output, cooling oil is supplied to the stator 30 from above the stator 30 in order to cool the stator 30. A portion of the oil travels along the outer peripheral surface of the stator core 32 from above the stator core 32 and cools the entire stator core 32.
 図6に示すように、ステータコア32の外周面とバスバーホルダ251の間には、切欠部251cにおいて隙間が設けられる。このため、バスバーホルダ251がステータコア32の外周面を伝うオイルを堰き止めることがなく、切欠部251cを通してオイルを上側から下側に流すことができる。結果的に、ステータコア32の外周面全体にオイルを行き渡らせることができ、オイルによるステータコア32の冷却効果を高めることができる。 As shown in FIG. 6, a gap is provided at the notch 251 c between the outer peripheral surface of the stator core 32 and the bus bar holder 251. For this reason, the bus bar holder 251 can flow the oil from the upper side to the lower side through the notch 251 c without blocking the oil transmitted along the outer peripheral surface of the stator core 32. As a result, the oil can be spread over the entire outer peripheral surface of the stator core 32, and the cooling effect of the stator core 32 by the oil can be enhanced.
 以上に、本発明の実施形態およびその変形例を説明したが、実施形態における各構成およびそれらの組み合わせ等は一例であり、本発明の趣旨から逸脱しない範囲内で、構成の付加、省略、置換およびその他の変更が可能である。また、本発明は実施形態によって限定されることはない。 Although the embodiment of the present invention and the modifications thereof have been described above, each configuration in the embodiment and combinations thereof are examples, and additions, omissions, and substitutions of configurations are within the scope not departing from the gist of the present invention. And other changes are possible. Further, the present invention is not limited by the embodiment.
 例えば、上述の実施形態では、センサ部として温度センサが設けられる場合を例示した。しかしながら、センサ部は、モータの状態を測定するものであれば、他のセンサであってもよい。一例として、センサ部は、モータの回転角を検出しロータの回転状態を測定するレゾルバ等のエンコーダであってもよい。 For example, in the above-described embodiment, the case where a temperature sensor is provided as the sensor unit is illustrated. However, the sensor unit may be another sensor as long as it measures the state of the motor. As an example, the sensor unit may be an encoder such as a resolver that detects the rotation angle of the motor and measures the rotation state of the rotor.
1…モータユニット、2…モータ、4,104…温度センサ(センサ部)、5,105,205…バスバーユニット(配線モジュール)、6…ハウジング、7…第1のコネクタ部(コネクタ部)、8…インバータユニット、31…コイル、40…センサ本体、41…センサ信号線、42,142…センサ中継端子、50,250…バスバー、51,151,251…バスバーホルダ、52,252…中継端子保持部、52a,252a…嵌合凹部、52b…スリット、52c…信号線挿通孔、52p…側壁部、52q…底部、54,154,254…ホルダ本体部、61…閉塞部材、65…ハウジング本体、70…コネクタ本体、71…第1のコネクタ信号線(コネクタ信号線)、72,172…コネクタ中継端子、82…インバータ、250c…軸方向延在部(延在部)、255…信号線保持部、256…第1の壁部(壁部)、257…第2の壁部(壁部)、258…第3の壁部(対向壁部)、257a,258a…湾曲部、D1…第1方向、D2…第2方向、J2…モータ軸 DESCRIPTION OF SYMBOLS 1 ... Motor unit, 2 ... Motor, 4,104 ... Temperature sensor (sensor part), 5, 105, 205 ... Bus bar unit (wiring module), 6 ... Housing, 7 ... 1st connector part (connector part), 8 ... inverter unit, 31 ... coil, 40 ... sensor body, 41 ... sensor signal line, 42,142 ... sensor relay terminal, 50,250 ... bus bar, 51,151,251 ... bus bar holder, 52,252 ... relay terminal holding part , 52a, 252a ... fitting recess, 52b ... slit, 52c ... signal line insertion hole, 52p ... side wall, 52q ... bottom, 54, 154, 254 ... holder body, 61 ... closing member, 65 ... housing body, 70 ... Connector body, 71 ... First connector signal line (connector signal line), 72, 172 ... Connector relay terminal, 82 ... Inverter, 25 c: axially extending portion (extending portion), 255: signal line holding portion, 256 ... first wall portion (wall portion), 257 ... second wall portion (wall portion), 258 ... third wall Part (opposite wall part), 257a, 258a ... curved part, D1 ... first direction, D2 ... second direction, J2 ... motor shaft

Claims (11)

  1.  モータと、
     前記モータの状態を測定するセンサ部と、
     前記モータに電力を供給するインバータユニットと、
     前記モータと前記インバータユニットとを繋ぐ配線モジュールと、
     前記モータ、前記センサ部および前記配線モジュールを収容するハウジングと、を備え、
     前記ハウジングには、前記センサ部からの出力信号を外部に出力するコネクタ部が設けられ、
     前記コネクタ部は、
      前記ハウジングに固定され前記ハウジングの内外を繋ぐコネクタ本体と、
      前記コネクタ本体から前記ハウジングの内部に引き出されるコネクタ信号線と、
      前記コネクタ信号線の先端に位置するコネクタ中継端子と、を有し、
     前記センサ部は、
      センサ本体と、
      前記センサ本体から引き出されるセンサ信号線と、
      前記センサ信号線の先端に位置するセンサ中継端子と、を有し、
     前記センサ中継端子と前記コネクタ中継端子とは、互いに接続されて信号線中継部を構成し、
     前記信号線中継部は、前記配線モジュールに保持される、
    モータユニット。
    A motor,
    A sensor unit for measuring the state of the motor;
    An inverter unit for supplying power to the motor;
    A wiring module connecting the motor and the inverter unit;
    A housing for housing the motor, the sensor unit, and the wiring module;
    The housing is provided with a connector portion that outputs an output signal from the sensor portion to the outside,
    The connector part is
    A connector body fixed to the housing and connecting the inside and outside of the housing;
    A connector signal line drawn from the connector body into the housing;
    A connector relay terminal located at the tip of the connector signal line,
    The sensor unit is
    A sensor body;
    A sensor signal line drawn from the sensor body;
    A sensor relay terminal located at the tip of the sensor signal line,
    The sensor relay terminal and the connector relay terminal are connected to each other to form a signal line relay unit,
    The signal line relay unit is held by the wiring module;
    Motor unit.
  2.  前記配線モジュールは、嵌合凹部が設けられた中継端子保持部を有し、
     前記嵌合凹部の内周面は、互いに接続された前記センサ中継端子および前記コネクタ中継端子の外周面と嵌合する、
    請求項1に記載のモータユニット。
    The wiring module has a relay terminal holding part provided with a fitting recess,
    The inner peripheral surface of the fitting recess fits with the sensor relay terminal and the outer peripheral surface of the connector relay terminal connected to each other,
    The motor unit according to claim 1.
  3.  前記ハウジングは、
      前記モータの軸方向に開口するハウジング本体と、
      前記ハウジング本体の開口を覆う閉塞部材と、を有し、
     前記嵌合凹部の開口は、前記ハウジング本体の開口を向く、
    請求項2に記載のモータユニット。
    The housing is
    A housing body that opens in the axial direction of the motor;
    A closing member that covers the opening of the housing body,
    The opening of the fitting recess faces the opening of the housing body,
    The motor unit according to claim 2.
  4.  前記中継端子保持部は、
      前記嵌合凹部の開口と対向する底部と、
      底部の外縁から軸方向に延びる側壁部と、を有し、
     前記底部には、軸方向に貫通し記センサ信号線又は前記コネクタ信号線を通過させる信号線挿通孔が設けられ、
     前記側壁部には、軸方向に沿って延び軸方向両側に開口するとともに前記信号線挿通孔に繋がるスリットが設けられる、
    請求項3に記載のモータユニット。
    The relay terminal holding part is
    A bottom portion facing the opening of the fitting recess,
    A side wall portion extending in the axial direction from the outer edge of the bottom portion, and
    The bottom portion is provided with a signal line insertion hole that penetrates in the axial direction and passes the sensor signal line or the connector signal line,
    The side wall is provided with a slit extending along the axial direction and opening on both sides in the axial direction and connected to the signal line insertion hole.
    The motor unit according to claim 3.
  5.  前記ハウジングには、前記配線モジュールをネジ止めするネジ孔が設けられ、
     前記センサ中継端子および前記コネクタ中継端子のうち少なくとも一方は、前記配線モジュールとともに前記ハウジングに共締めされる、
    請求項1に記載のモータユニット。
    The housing is provided with a screw hole for screwing the wiring module,
    At least one of the sensor relay terminal and the connector relay terminal is fastened together with the wiring module together with the housing.
    The motor unit according to claim 1.
  6.  前記ハウジングは、
      前記モータの軸方向に開口するハウジング本体と、
      前記ハウジング本体の開口を覆う閉塞部材と、を有し、
     前記配線モジュールは、前記ハウジング本体の開口方向から前記ネジ孔にネジ止めされる、
    請求項5に記載のモータユニット。
    The housing is
    A housing body that opens in the axial direction of the motor;
    A closing member that covers the opening of the housing body,
    The wiring module is screwed into the screw hole from the opening direction of the housing body.
    The motor unit according to claim 5.
  7.  前記配線モジュールは、
      導体からなり前記モータのコイルに接続される複数のバスバーと、
      前記バスバーを保持するバスバーホルダと、を備え、
     前記配線モジュールは、前記バスバーホルダにおいて前記センサ中継端子および前記コネクタ中継端子を保持する、
    請求項1~6の何れか一項に記載のモータユニット。
    The wiring module
    A plurality of bus bars made of a conductor and connected to the motor coil;
    A bus bar holder for holding the bus bar,
    The wiring module holds the sensor relay terminal and the connector relay terminal in the bus bar holder.
    The motor unit according to any one of claims 1 to 6.
  8.  前記バスバーホルダは、
      前記信号線中継部を保持する中継端子保持部と、
      前記バスバーを保持するホルダ本体部と、
      前記コネクタ信号線および前記センサ信号線のうち少なくとも一方の信号線を保持する信号線保持部と、を有する、
    請求項7に記載のモータユニット。
    The bus bar holder is
    A relay terminal holding unit for holding the signal line relay unit;
    A holder main body for holding the bus bar;
    A signal line holding unit that holds at least one signal line of the connector signal line and the sensor signal line,
    The motor unit according to claim 7.
  9.  前記バスバーは、第1方向に沿って延びる延在部を有し、
     前記信号線保持部は、前記第1方向に沿って延びる壁部を有し、
     前記信号線は、前記第1方向と直交する第2方向一方側において前記壁部に沿って引き回され、
     前記壁部は、前記バスバーホルダにおいて前記第2方向一方側に偏って配置される、
    請求項8に記載のモータユニット。
    The bus bar has an extending portion extending along the first direction;
    The signal line holding portion has a wall portion extending along the first direction,
    The signal line is routed along the wall portion on one side in a second direction orthogonal to the first direction,
    The wall portion is arranged to be biased to the one side in the second direction in the bus bar holder.
    The motor unit according to claim 8.
  10.  前記信号線保持部は、前記信号線を挟んで前記壁部と対向する対向壁部を有し、
     前記壁部および前記対向壁部は、前記第1方向一方側の端部に位置し、前記第1方向一方側に向かうに従い前記第2方向他方側に向かって湾曲する湾曲部を有し、
     前記中継端子保持部は、前記湾曲部の前記第1方向一方側に位置し、前記信号線が前記第2方向一方側に延び出た状態で前記信号線中継部を保持する、
    請求項9に記載のモータユニット。
    The signal line holding part has an opposing wall part facing the wall part across the signal line,
    The wall portion and the opposing wall portion are located at an end portion on one side in the first direction, and have a curved portion that curves toward the other side in the second direction as it goes to the one side in the first direction,
    The relay terminal holding part is located on the one side in the first direction of the bending part, and holds the signal line relay part in a state where the signal line extends to the one side in the second direction.
    The motor unit according to claim 9.
  11.  前記センサ部は、前記モータのコイルの温度を測定する温度センサである、
    請求項1~10の何れか一項に記載のモータユニット。
    The sensor unit is a temperature sensor that measures the temperature of the coil of the motor.
    The motor unit according to any one of claims 1 to 10.
PCT/JP2019/016776 2018-04-25 2019-04-19 Motor unit WO2019208420A1 (en)

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JP2015122890A (en) * 2013-12-24 2015-07-02 アイシン・エィ・ダブリュ株式会社 Drive unit
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JP2009219335A (en) * 2008-03-13 2009-09-24 Nippon Densan Corp Motor
JP2009232602A (en) * 2008-03-24 2009-10-08 Mitsuba Corp Electric motor and method of manufacturing that electric motor
JP2015122890A (en) * 2013-12-24 2015-07-02 アイシン・エィ・ダブリュ株式会社 Drive unit
JP2016140200A (en) * 2015-01-28 2016-08-04 本田技研工業株式会社 Integrated type unit
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