Abstract: Disclosed is a vehicle control device (ECU) (10) having plural driving support modes, comprising: an obstacle information detection part (10b) for detecting obstacle information; a traveling regulation information detection part (10c) for detecting traveling regulation information; and a traveling course calculation part (10d) for calculating a future traveling course comprising a target position and a target speed of the vehicle, wherein the calculation part (10d) is operable to: execute, without taking into account the obstacle information, traveling course calculation processing (S13) of calculating traveling courses temporally repeatedly; execute, based on a selected driving support mode, traveling course selection processing (S14) of selecting one of the traveling courses as a target traveling course; and execute, based on the obstacle information and/or the traveling regulation information, traveling course correction processing (S15) of correcting the target traveling course selected in the traveling c

Abstract: Disclosed is a vehicle control device (ECU) (10) having plural driving support modes, comprising: a preceding vehicle detection part (10b); a traveling road edge detection part (10c); and a vehicle control part (10e) for controlling a vehicle (1) to follow a preceding vehicle detected by the detection part (10b), wherein the control part (10e) is operable, according to a result of the detection of the edge position of the road by the edge detection part (10c), to execute traveling course selection processing (S14) of selecting, based on the driving support mode selected by a passenger, a target traveling course from traveling courses including at least a course (R1) set to enable the vehicle to maintain traveling within the road, and a course (R2) set to enable the vehicle to follow a trajectory of the preceding vehicle and each comprises a target position and a target speed of the vehicle.

Abstract: An object is to provide a motor-driven compressor capable of reducing cost required when a failure occurs in part of components configuring an inverter device. A power substrate assembly 50 is removably fixed to a housing body 10 in an inverter accommodation chamber 13, and a control substrate assembly 70 and a filter circuit assembly 90 are removably fixed to a cover 30. Therefore, when the cover 30 is removed from the housing body 10, the power substrate assembly 50, the control substrate assembly 70, and the filter circuit assembly 90 can be independently removed from the housing body 10 or the cover 30, and new power substrate assembly 50, control substrate assembly 70, and filter circuit assembly 90 can be independently mounted on the housing body 10 or the cover 30.

Abstract: The inverter-integrated electrical compressor is provided with an inverter-accommodating case (2) partitioned by a partitioning wall (3) and a low-pressure refrigerant channel inside a housing, an inverter device (1) being incorporated within the inverter-accommodating case (2); wherein the inverter device (1) is provided with a plurality of high-voltage electric components (5, 6) constituting a filter circuit, a plurality of semiconductor switching elements (7), and a control substrate (8) on which an inverter circuit and a control circuit are mounted; and the plurality of semiconductor switching elements (7) are installed in a fixed manner on the side surfaces (17) of a heat-radiating block (16) provided perpendicularly relative to the partitioning wall (3).

Abstract: To improve the accuracy of detecting a current flowing through an electric compressor after operation of the electric compressor, the electric compressor having a large change in temperature before and after operation. An inverter-integrated electric compressor (1) that compresses and discharges a refrigerant suctioned therein, includes an inverter device (2) provided with a circuit board (60) mounted with an inverter circuit (40), the inverter device (2) being integrally incorporated in an inverter case. The circuit board (60) is provided with a current detection circuit (30) that detects an input current flowing through the inverter circuit (40), and an offset correction circuit (20). The current detection circuit (30) includes a shunt resistor (32) that is serially connected to the inverter circuit (40) and detects a current, and a first amplifier (31) that amplifies and outputs a voltage appearing as a voltage drop in the shunt resistor (32).

Abstract: This electric compressor includes a compressor which rotates around an axis to compress a fluid, a motor which rotatably drives the compressor around the axis, and a control unit having a first component and a second component and controlling current supply to the motor during driving using the first component and the second component. An allowable current when the first component and the second component are exposed to the same temperature is set to be smaller in the second component than in the first component. The second component is disposed at a place in which cooling capability is greater than that of the first component so that allowable power of the second component at rated use is set to be greater than an allowable power of the first component.

Abstract: In an inverter-integrated electric compressor (1) provided with an inverter accommodating section (9) on the periphery of a housing (2) and an inverter (20) provided therein, the inverter accommodating section (9) is divided into a first accommodating section (9) accommodating an inverter module (21) equipped with a power system board on which semiconductor switching devices etc. are mounted and a CPU board on which a control and communication circuit etc. are mounted, and a second accommodating section (40) accommodating high-voltage-system components (30), such as a common-mode coil (35), a normal-mode coil (36), and a smoothing capacitor (37), provided on a high-voltage line (34) for supplying DC power from a high-voltage power supply to the inverter module (21), the accommodating sections (9) and (40) being separately provided on the periphery of the housing (2).

Abstract: A control circuit board (25) configuring an inverter (21) serves as a thermally-conductive substrate. One surface of the control circuit board (25) is installed in a heat transferable manner on a heat-dissipating planar part (31) disposed on a housing (2), while heat-producing electrical components (39) are disposed in a heat transferable manner on the other surface of the control circuit board (25). The control circuit board (25) includes a substrate body (41) constituted of an insulator, and heat-conducting through members (42) constituted of a good thermal conductor filled through in a thickness direction of the substrate body (41). One end of each of the heat-conducting through members (42) is disposed in a heat transferable manner on the heat-dissipating planar part (31), and the electrical component (39) is disposed in a heat transferable manner on the other end.

Abstract: Provided is an inverter-integrated electrical compressor in which an inverter device has fewer components and a simpler configuration, is more compact, and is lower in cost, and the electrical compressor is made smaller, more lightweight, and lower in cost, with only one substrate being used and the need being eliminated for a large installation surface having a raised partitioning wall on which a semiconductor switching element is installed.

Abstract: An inverter module and an integrated-inverter electric compressor using the same, which can eliminate noise interference, noise leakage, and the like attributable to a smoothing capacitor accommodated therein and which can be reduced in size and weight is provided. An inverter module (11) includes a resin module case (17); a power system board (15) provided on a bottom side of the module case (17); and a control board (19) provided on an upper side of the module case (17). A smoothing capacitor (18) connected to a power supply line for the power system board (15) is incorporated into the module case (17), and the smoothing capacitor (18) is electromagnetically shielded with respect to the power system board (15) and the control board (19).

Abstract: In an inverter in which noise reducing coils and a smoothing capacitor are provided on a power line to an inverter module to achieve a no-busbar configuration, simplification of the manufacturing process, reduction of the influence on the size of the inverter, enhanced noise reducing function, reduction in cost and so on, the smoothing capacitor is electrically connected, on the inverter module, to the power line in parallel with a power system board, and the noise reducing coils are connected to the power line by directly connecting output lead wires thereof to P-N terminals of the inverter module.

Abstract: An object is to provide an inverter module that can ensure satisfactory anti-vibration strength, moisture resistance, and isolation for each of the upper and lower boards of the inverter module and that can reduce the weight and cost, and to provide an integrated-inverter electric compressor. In an inverter module (21) in which a power system board (23) and a control board (31) are integrated via a resin case (22), the inverter module (21) is configured such that the power system board (23), on which a semiconductor switching device (24) is mounted, is provided at the lower part of the resin case (22) and the control board (31), on which a control-and-communication circuit is mounted, is provided thereabove.

Abstract: An electric compressor 10 includes a compression mechanism 11, an electric motor 12 driving the compression mechanism 11, and a control portion 13 controlling to drive the electric motor 12, incorporated into a single casing, and further includes a temperature detector 14 detecting a temperature of one or more components constituting one or both of the control portion 13 and the electric motor 12, and a current detector 15 detecting a current flowing through the component. When the temperature detected by the temperature detector 14 is a temperature Td, the current detected by the current detector 15 is a current Id, and a current corresponding to the temperature Td at a temperature characteristic relating to the current specific to the component is a current Ia(Td), the control portion 13 stops driving the electric motor 12 on the basis of a result of comparison between Ia(Td) and Id.

Abstract: An integrated-inverter electric compressor whose grounding effect and grounding reliability are increased by reliably grounding an inverter device to a housing and in which the size the inverter device are reduced by simplifying the grounding structure is provided. The integrated-inverter electric compressor includes an inverter device provided in an inverter container on the outer circumference of a housing.

Abstract: An integrated-inverter electric compressor and an inverter unit thereof are provided, with which sufficient anti-vibration properties can be ensured and weight reduction can be achieved. In an integrated-inverter electric compressor, an inverter unit includes an inverter module in which a power-system metallic board having mounted thereon semiconductor switching elements and so forth is integrated with a plastic case, and a CPU board having mounted thereon a control and communication circuit that operates at a low voltage, such as a CPU, is provided on a top face of the inverter module, and inside the plastic case, a thermosetting resin layer for insulation and anti-humidity purposes is provided so as to cover a top face of the power-system metallic board, and a vibration-absorbing elastomeric adhesive layer that maintains a rubber state in an operating temperature range of the integrated-inverter electric compressor is provided between a bottom face of the CPU board and the thermosetting resin layer.

Abstract: An object is to provide a motor-driven compressor capable of reducing cost required when a failure occurs in part of components configuring an inverter device. A power substrate assembly 50 is removably fixed to a housing body 10 in an inverter accommodation chamber 13, and a control substrate assembly 70 and a filter circuit assembly 90 are removably fixed to a cover 30. Therefore, when the cover 30 is removed from the housing body 10, the power substrate assembly 50, the control substrate assembly 70, and the filter circuit assembly 90 can be independently removed from the housing body 10 or the cover 30, and new power substrate assembly 50, control substrate assembly 70, and filter circuit assembly 90 can be independently mounted on the housing body 10 or the cover 30.

Abstract: An object is to achieve a compact design by using a dead space in an inverter box effectively, to improve cooling properties of heat-generating electrical components disposed on a control circuit board of an inverter, and to increase flexibility of wiring layout. In an inverter box provided at a periphery of a housing, a heat-dissipating flat portion that is parallel to a control circuit board of an inverter is formed, and electrical components are disposed in a space between the heat-dissipating flat portion and the control circuit board. Preferably, the electrical components are installed so that the back faces thereof abut against the heat-dissipating flat portion either directly or via a heat-conducting member. More preferably, faces of the electrical components on the board side abut against the control circuit board.

Abstract: A control circuit board (25) configuring an inverter (21) serves as a thermally-conductive substrate. One surface of the control circuit board (25) is installed in a heat transferable manner on a heat-dissipating planar part (31) disposed on a housing (2), while heat-producing electrical components (39) are disposed in a heat transferable manner on the other surface of the control circuit board (25). The control circuit board (25) includes a substrate body (41) constituted of an insulator, and heat-conducting through members (42) constituted of a good thermal conductor filled through in a thickness direction of the substrate body (41). One end of each of the heat-conducting through members (42) is disposed in a heat transferable manner on the heat-dissipating planar part (31), and the electrical component (39) is disposed in a heat transferable manner on the other end.

Abstract: An inverter-integrated vehicle-air-conditioner electric compressor capable of eliminating malfunctions or the like due to electromagnetic noise interference and improving the reliability is provided. In a vehicle-air-conditioner electric compressor with which an inverter unit is integrated, lead-out positions of low-voltage cables and connectors for supplying a low voltage from a low-voltage power supply to a circuit on a low-voltage ground LV are provided either in a side surface opposite to a mounting position of high-voltage components and high-voltage cables for supplying a high voltage from a high-voltage power supply to a power system circuit on a high-voltage system ground HV; or at an end farthest away from the mounting position of the high-voltage cables and the high-voltage components in an adjacent side surface or the same side surface.

Abstract: Control device for an electric compressor and a start control method of an electric compressor that can smoothly and reliably start the electric compressor even at high temperature. Even in a high temperature state of a power transistor, a rotational speed or an acceleration rate of a motor according to the temperature is set to gradually start the electric compressor. After the commencement of the start, the temperature of the power transistor is repeatedly checked for every predetermined time to update the rotational speed or the acceleration rate of the motor, and the rotational speed or the acceleration rate of the motor is increased according to the temperature of the power transistor, thereby allowing quick start.