Abstract: A vehicle power conversion device is mounted in a front room of a vehicle. The vehicle power conversion device has a DCDC converter, an accommodating case configured to accommodate the DCDC converter, and a connector unit provided on the accommodating case. First and second protruding portions are provided in a front region of the accommodating case. The connector unit is provided such that, as viewed in an upper-lower direction, the connector unit is located behind a first virtual line which is a common tangent line of the first protruding portion and the second protruding portion, and at least a part of the connector unit is located in a left-right direction between a first contact point in which the first virtual line is in contact with the first protruding portion, and a second contact point in which the first virtual line is in contact with the second protruding portion.

Abstract: A power conversion device has at least one electronic component, an accommodating case configured to accommodate the electronic component, and a connector unit provided on the accommodating case. The connector unit includes a connector portion provided with an external terminal electrically connected to outside, and a conductive member extending from the connector portion and electrically connecting the connector portion and the electronic component. A fragile portion is formed in the conductive member.

Abstract: A bus bar unit includes a bus bar including two ends and tending from a first end to a second end, and a connector unit molded to be integrated with the bus bar. A first bolt insertion hole is formed in the first end. A second bolt insertion hole is formed in the connector unit. The bus bar unit is fixed, by fixing the bus bar unit to a fixing-object member, connecting the first end to a connection terminal provided on an electronic component, and connecting a cable to the second end. A bus bar unit fixing method includes a step of inserting the first bolt through the first bolt insertion hole and fastening the first end of the bus bar to the connection terminal, and a step of inserting the second bolt through the second bolt insertion hole and fixing the connector unit to the fixing-object member.

Abstract: A cable connection part structure includes a power control unit, a unit-side connector and a cable-side connector. The unit-side connector is connected to a power supply passage of an electric power control device and has a first connection terminal directed to a space below a unit case. The cable-side connector is connected to a power supply cable and has a second connection terminal connected to a first connection terminal from below the unit case. The cable-side connector has a connector case, and a bolt fixed to a connector case and having a shaft section passing upward through a part of the unit case from below. A nut is fastened to the shaft section of the bolt passing through the unit case from above.

Abstract: A rotating electric machine unit includes a first and second rotating electric machine, a power control unit (PCU), a drive shaft, and a power transmission part. The first and second rotating electric machines have rotary shafts parallel to each other, and are disposed along a vehicle front-rear direction orthogonal to an axial direction of each rotary shaft. The PCU is disposed below the first and the second rotating electric machines in a vehicle up-down direction orthogonal to the axial direction of each rotary shaft. The drive shaft is disposed below the first rotating electric machine and behind the PCU. The power transmission part transmitting power between each rotary shaft and the drive shaft is disposed on the right side of each rotating electric machine and the PCU. A direction in which an outer shape of the PCU is longest is parallel to the vehicle front-rear direction.

Abstract: The disclosure provides a cable connection structure of a power control unit that can improve the work efficiency of assembling the power control unit. A power control unit 10 is attached to an upper portion of a motor case 12 that houses a motor. The power control unit 10 has a unit-side terminal 24 connected to a power supply passage inside the power control unit 10. The motor case 12 has a cable-side terminal 20 connected to a power supply cable. The unit-side terminal 24 and the cable-side terminal 20 are arranged to face each other in an up-and-down direction at an abutting portion between a lower surface of the power control unit 10 and an upper surface of the motor case 12. The unit-side terminal 24 and the cable-side terminal 20 are connected to each other via a conductive spring member.

Abstract: A rotating electric machine unit including a connector holding six connecting terminals is provided. When viewed from an axial direction, respective one-end parts of first to third connecting terminals are arranged side by side in a row. When viewed from the axial direction, respective one-end parts of fourth and fifth connecting terminals are arranged to offset to a back side of a first row composed of the first to third connecting terminals, and the one-end parts protrude further inside a casing than the one-end parts of the connecting terminals of the first row. When viewed from the axial direction, a one-end part of a sixth connecting terminal is arranged to offset to a back side of a second row composed of the fourth and fifth connecting terminals, and the one-end part protrudes further inside the casing than the one-end parts of the connecting terminals of the second row.

Abstract: An electric apparatus including a connector holding six connecting terminals is provided. Three one-side connecting terminals held by the connector are arranged side by side in a row substantially directly below conductive terminals of three phases of one DC-AC converter. Three another-side connecting terminals held by the connector are arranged side by side in a row at positions offset to a side away from the one-side connecting terminals in an axial direction. Upper-end side connecting parts of the three one-side connecting terminals are set to be lower than upper-end side connecting parts of the three another-side connecting terminals, and are connected to the corresponding conductive terminals above via busbars extending in an up-down direction. The upper end-side connecting parts of the three another-side connecting terminals are connected to corresponding conductive terminals via busbars extending along an arrangement direction of the conductive terminals.

Abstract: An electrical connection structure includes a case in which a first electric motor and a second electric motor are housed, and electrical equipment that controls the first electric motor or the second electric motor. The first electric motor is electrically connected to a first three-phase terminal of the electrical equipment via a connecting member. The second electric motor is electrically connected to a second three-phase terminal of the electrical equipment via the connecting member. On the electrical equipment side, the first three-phase terminal and the second three-phase terminal are arranged in series. On the case side, a first electric motor side three-phase terminal, which is connected to the first electric motor, in the connecting member, and a second electric motor side three-phase terminal, which is connected to the second electric motor, in the connecting member, are arranged in parallel.

Abstract: A vehicle includes: an electric device mounted on the vehicle; a functional component placed on the electric device to extend further rearward than the electric device in plan view when mounted on the vehicle; a cable connecting the electric device and a battery mounted on the vehicle; and a cable mount that is provided below and within a plane of projection of the functional component on the electric device and has a terminal port facing downward in a vertical direction when mounted in the vehicle. The vehicle reduces the risk of a human touching an electric terminal, improving safety.

Abstract: A cable connection part structure includes a power control unit, a unit-side connector and a cable-side connector. The unit-side connector is connected to a power supply passage of an electric power control device and has a first connection terminal directed to a space below a unit case. The cable-side connector is connected to a power supply cable and has a second connection terminal connected to a first connection terminal from below the unit case. The cable-side connector has a connector case, and a bolt fixed to a connector case and having a shaft section passing upward through a part of the unit case from below. A nut is fastened to the shaft section of the bolt passing through the unit case from above.

Abstract: A power conversion apparatus includes a power module, a capacitor unit 23, and a first connection portion 80a. The first connection portion 80a connects a first power conversion circuit portion 31 of the power module and the capacitor unit 23 to each other. The first connection portion 80a includes a first positive electrode bus bar extending portion 83 and a second positive electrode bus bar extending portion 93 which extend along a first module case 61 and a first positive electrode bus bar stretching portion 85 and a second positive electrode bus bar stretching portion 95 which extend in a Z axis direction. The first connection portion 80a includes a first negative electrode bus bar extending portion 84 and a second negative electrode bus bar extending portion 94 which extend along the first module case 61 and a first negative electrode bus bar stretching portion 86 and a second negative electrode bus bar stretching portion 96 which extend in the Z axis direction.

Abstract: A rotating electric machine unit includes a first and second rotating electric machine, a power control unit (PCU), a drive shaft, and a power transmission part. The first and second rotating electric machines have rotary shafts parallel to each other, and are disposed along a vehicle front-rear direction orthogonal to an axial direction of each rotary shaft. The PCU is disposed below the first and the second rotating electric machines in a vehicle up-down direction orthogonal to the axial direction of each rotary shaft. The drive shaft is disposed below the first rotating electric machine and behind the PCU. The power transmission part transmitting power between each rotary shaft and the drive shaft is disposed on the right side of each rotating electric machine and the PCU. A direction in which an outer shape of the PCU is longest is parallel to the vehicle front-rear direction.

Abstract: An electric apparatus including a connector holding six connecting terminals is provided. Three one-side connecting terminals held by the connector are arranged side by side in a row substantially directly below conductive terminals of three phases of one DC-AC converter. Three another-side connecting terminals held by the connector are arranged side by side in a row at positions offset to a side away from the one-side connecting terminals in an axial direction. Upper-end side connecting parts of the three one-side connecting terminals are set to be lower than upper-end side connecting parts of the three another-side connecting terminals, and are connected to the corresponding conductive terminals above via busbars extending in an up-down direction. The upper end-side connecting parts of the three another-side connecting terminals are connected to corresponding conductive terminals via busbars extending along an arrangement direction of the conductive terminals.

Abstract: A rotating electric machine unit including a connector holding six connecting terminals is provided. When viewed from an axial direction, respective one-end parts of first to third connecting terminals are arranged side by side in a row. When viewed from the axial direction, respective one-end parts of fourth and fifth connecting terminals are arranged to offset to a back side of a first row composed of the first to third connecting terminals, and the one-end parts protrude further inside a casing than the one-end parts of the connecting terminals of the first row. When viewed from the axial direction, a one-end part of a sixth connecting terminal is arranged to offset to a back side of a second row composed of the fourth and fifth connecting terminals, and the one-end part protrudes further inside the casing than the one-end parts of the connecting terminals of the second row.

Abstract: The disclosure provides a cable connection structure of a power control unit that can improve the work efficiency of assembling the power control unit. A power control unit 10 is attached to an upper portion of a motor case 12 that houses a motor. The power control unit 10 has a unit-side terminal 24 connected to a power supply passage inside the power control unit 10. The motor case 12 has a cable-side terminal 20 connected to a power supply cable. The unit-side terminal 24 and the cable-side terminal 20 are arranged to face each other in an up-and-down direction at an abutting portion between a lower surface of the power control unit 10 and an upper surface of the motor case 12. The unit-side terminal 24 and the cable-side terminal 20 are connected to each other via a conductive spring member.

Abstract: A power conversion apparatus includes a power module, a capacitor unit 23, and a first connection portion 80a. The first connection portion 80a connects a first power conversion circuit portion 31 of the power module and the capacitor unit 23 to each other. The first connection portion 80a includes a first positive electrode bus bar extending portion 83 and a second positive electrode bus bar extending portion 93 which extend along a first module case 61 and a first positive electrode bus bar stretching portion 85 and a second positive electrode bus bar stretching portion 95 which extend in a Z axis direction. The first connection portion 80a includes a first negative electrode bus bar extending portion 84 and a second negative electrode bus bar extending portion 94 which extend along the first module case 61 and a first negative electrode bus bar stretching portion 86 and a second negative electrode bus bar stretching portion 96 which extend in the Z axis direction.

Abstract: A refrigerant flow channel includes a first flow channel extending in a first direction and a plurality of first branching flow channels extending in a second direction by branching from the first flow channel. Three element arrays corresponding to a first motor for driving and three element arrays corresponding to a second motor for power generation are respectively disposed side by side in the first direction on a mounting surface. The element array of the first motor in each phase and the element array of the second motor in each phase face each other in the second direction, and are disposed at positions overlapping the first branching flow channel in a plan view. The element array of the first motor is located on an upstream side of the first branching flow channel with respect to the element array of the second motor.

Abstract: A power conversion device includes a first power conversion circuit portion and a second power conversion circuit portion delivering power to and from first and second motors of which shaft centers are disposed along a first direction, three first connection terminals connecting the first power conversion circuit portion and the first motor, and three second connection terminals connecting the second power conversion circuit portion and the second motor. The first power conversion circuit portion and the second power conversion circuit portion are configured such that, when seen in radial directions of the first motor and the second motor, at least a portion thereof overlaps at least any of the first motor and the second motor. Three first connection terminals are disposed along the first direction on one side in a second direction. Three second connection terminals are disposed along the first direction on the other side in the second direction.

Abstract: There is provided an element unit including high side arm and low side arm transistors, a conductor set formed by disposing a positive bus bar and a negative bus bar to face each other while spaced apart in a Z axis direction, and a first bus bar. The first bus bar extends in the Z axis direction between a first insulating substrate and a second insulating substrate and is electrically connected to copper plates of the first insulating substrate and the second insulating substrate.