JP2016220356A5

JP2016220356A5 -

Info

Publication number: JP2016220356A5
Application number: JP2015101489A
Authority: JP
Filing date: 2015-05-19
Publication date: 2017-09-21
Anticipated expiration: 2035-05-19

Claims

A plurality of switching modules constituting upper and lower arm elements for three phases;
A smoothing capacitor connected between a DC power supply and the switching module;
A control circuit board for outputting an electrical signal for controlling on / off of the switching module;
A plate-like P-pole conductor that electrically connects the high potential side of the smoothing capacitor and the positive terminals of the upper arm elements of the plurality of switching modules;
A plate-like N-pole conductor that electrically connects a low potential side of the smoothing capacitor and negative terminals of lower arm elements of the plurality of switching modules;
A plate-like M pole conductor that is electrically connected to the negative terminal of the upper arm element and the positive terminal of the lower arm element and outputs an alternating voltage to a load;
A plate-like G-pole conductor that electrically connects the gate control terminals of the plurality of switching modules and the control circuit board;
A power converter having a negative electrode control terminal of the plurality of switching modules and a plate-like E-pole conductor that electrically connects the control circuit board,
The P-pole conductor, the N-pole conductor, the M-pole conductor, the G-pole conductor, and the E-pole conductor are laminated and joined via an insulating material, respectively, and the switching module and the smoothing capacitor are formed as an integral conductor member It is fixed to the power converter.

The power conversion device according to claim 1,
The M converter and the E conductor are stacked so as to be adjacent to each other with the insulating material interposed therebetween.

The power conversion device according to claim 2,
The M pole conductor is disposed at a position overlapping with the E pole conductor connected to the switching module constituting the upper arm element, and is disposed at a position overlapping with the E pole conductor connected to the switching module constituting the lower arm element. The power converter characterized by not being performed.

The power conversion device according to claim 1,
The power conversion device, wherein the M pole conductor and the G pole conductor are stacked so as to be adjacent to each other via the insulating material.

The power conversion device according to claim 4,
The M pole conductor is disposed at a position overlapping with the G pole conductor connected to the switching module constituting the upper arm element, and is disposed at a position overlapping with the G pole conductor connected to the switching module constituting the lower arm element. The power converter characterized by not being performed.

The power conversion device according to any one of claims 1 to 5,
A main circuit bus bar constructed by laminating the P-pole conductor, the N-pole conductor, and the M-pole conductor via insulating materials, and the G-pole conductor and the E-pole conductor laminated via insulating materials. A control circuit busbar is laminated and bonded via an insulating material.

The power conversion device according to any one of claims 1 to 6,
The power conversion device, wherein the insulating material that joins the P-pole conductor, the N-pole conductor, the M-pole conductor, the G-pole conductor, and the E-pole conductor is an adhesive or a double-sided tape.

The power conversion device according to claim 6,
The power converter according to claim 1, wherein the control circuit bus bar is disposed between the main circuit bus bar and the switching module.

The power conversion device according to claim 8, wherein
The main circuit bus bar is laminated in order of the M pole conductor, the N pole conductor, and the P pole conductor from the control circuit bus bar side.

A power conversion device according to any one of claims 1 to 9,
The N pole conductor, the M pole conductor, and the insulating material disposed between these conductors are provided with through holes at positions corresponding to the gate control terminal and the negative electrode control terminal. Power conversion device.

A power conversion device according to any one of claims 1 to 10,
A through hole is provided at a position corresponding to the gate control terminal, the negative electrode control terminal, the positive electrode terminal, and the negative electrode terminal of an insulating material disposed between the G pole conductor and the E pole conductor. A power converter.

The power conversion device according to any one of claims 1 to 11,
The plurality of G pole conductors connected to the gate control terminal of each switching module are arranged on the same plane via an insulating distance or an insulating material, respectively.

A power conversion device according to any one of claims 1 to 12,
The plurality of M pole conductors connected to the plurality of switching modules are arranged in the same plane via insulating distances or insulating materials, respectively.

The power conversion device according to any one of claims 1 to 13,
A connection terminal with the power supply of the P-pole conductor and the N-pole conductor is arranged above or below the switching module, and the connection terminal with the control circuit board of the control circuit bus bar is placed in the right or left direction of the switching module. The power conversion device is characterized in that the path of the current flowing through the P-pole conductor and the N-pole conductor and the path of the electric signal flowing through the control circuit bus bar are orthogonal to each other.