JP6615326B2 - モータ駆動装置および空気調和機 - Google Patents
モータ駆動装置および空気調和機 Download PDFInfo
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- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
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- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
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- F24—HEATING; RANGES; VENTILATING
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- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
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- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
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Description
図1は本発明の実施の形態に係るモータ駆動装置100の構成図である。モータ駆動装置100は、交流電源1から供給される交流電圧を整流する整流器2と、リアクトル3と、整流器2で整流された電圧を平滑するコンデンサ4と、コンデンサ4の両端電圧を検出する電圧検出部11と、コンデンサ4で平滑された直流電圧を交流電圧に変換して3相モータであるモータ8を駆動するインバータ回路101と、インバータ回路101を制御するためのパルス幅変調(PWM:Pulse Width Modulation)信号を生成する制御回路9と、モータ電流を計測する複数の電流計測部10a,10bとを備える。モータ8としては三相誘導回転電機を例示できる。
Claims (6)
- 交流電力を直流電力に変換してモータを駆動するモータ駆動装置であって、
第1の板面および第2の板面とを有し、前記第1の板面に設けられた第1のインバータモジュールおよび第2のインバータモジュールを有し、前記第2の板面に設けられ前記第1のインバータモジュールに接続される第1のパワーパターンを有し、前記第2の板面に設けられ前記第2のインバータモジュールに接続される第2のパワーパターンを有し、前記第1のパワーパターンと前記第2のパワーパターンとを接続する第1のジャンパー部を有するプリント基板を備え、
前記第1のジャンパー部は、前記第1のパワーパターンに接続される第1のスルーホールに一端が挿入されて前記第2の板面から立ち上がる第1の基部と、前記第2のパワーパターンに接続される第2のスルーホールに一端側が挿入されて前記第2の板面から立ち上がる第2の基部と、前記第1の基部の他端と前記第2の基部の他端とを連結する第1の連結部とを有し、
前記第1のジャンパー部の前記第1の基部、前記第1の連結部および前記第2の基部の断面積は、前記第1のパワーパターンおよび前記第2のパワーパターンの断面積よりも大きいことを特徴とするモータ駆動装置。 - 前記プリント基板は、前記第1の板面に設けられた第3のインバータモジュールと、前記第2の板面に設けられ前記第3のインバータモジュールに接続される第3のパワーパターンと、前記第2のパワーパターンと前記第3のパワーパターンとを接続する第2のジャンパー部と、前記第1のインバータモジュール、前記第2のインバータモジュールおよび前記第3のインバータモジュールに接するヒートシンクとを有し、
前記ヒートシンクは、前記第1のインバータモジュール、前記第2のインバータモジュールおよび前記第3のインバータモジュールに接するフィンベースと前記フィンベースに設置される複数のフィンとを有し、前記モータ駆動装置を備えた機器の風路に流れる風が隣接する前記フィンの間の隙間に流れるように配置され、
前記第2のジャンパー部は、前記第2のパワーパターンに接続される第3のスルーホールに一端が挿入されて前記第2の板面から立ち上がる第3の基部と、前記第3のパワーパターンに接続される第4のスルーホールに一端側が挿入されて前記第2の板面から立ち上がる第4の基部と、前記第3の基部の他端と前記第4の基部の他端とを連結する第2の連結部とを有し、
前記第2のジャンパー部の前記第3の基部、前記第2の連結部および前記第4の基部の断面積は、前記第2のパワーパターンおよび前記第3のパワーパターンの断面積よりも大きく、
前記第1のジャンパー部および前記第2のジャンパー部は、前記複数のフィンの各々が延びる方向に沿って配列されることを特徴とする請求項1に記載のモータ駆動装置。 - 前記プリント基板を内蔵する電気品箱を備え、
前記電気品箱は、前記モータ駆動装置を備えた機器の風路に流れる風の一部が侵入する第1の開口部と、前記電気品箱に侵入した風が排出される第2の開口部とを備え、
前記第1のジャンパー部は、前記第1の開口部と前記第2の開口部との間に配置されることを特徴とする請求項1または請求項2に記載のモータ駆動装置。 - 前記プリント基板を内蔵する電気品箱を備え、
前記電気品箱は、前記モータ駆動装置を備えた機器の風路に流れる風の一部が侵入する第1の開口部と、前記電気品箱に侵入した風が排出される第2の開口部とを備え、
前記第1のジャンパー部および前記第2のジャンパー部は、前記第1の開口部と前記第2の開口部との間に配置されることを特徴とする請求項2に記載のモータ駆動装置。 - 前記第1のインバータモジュールに内蔵されるスイッチング素子は、ワイドバンドギャップ半導体を用いて構成されることを特徴とする請求項1から請求項4の何れか一項に記載のモータ駆動装置。
- 請求項1から請求項5の何れか一項に記載のモータ駆動装置を備えたことを特徴とする空気調和機。
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PCT/JP2016/063291 WO2017187578A1 (ja) | 2016-04-27 | 2016-04-27 | モータ駆動装置および空気調和機 |
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CN (1) | CN109075733B (ja) |
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