VOLTAGE DETECTION CAPACITOR, VOLTAGE DETECTION CAPACITOR UNIT, AND INSULATING FILM

To provide a voltage detection capacitor, a voltage detection capacitor unit, and an insulating film that can reduce manufacturing costs by reducing the number of components and simplifying assembly.SOLUTION: A voltage detection capacitor 71 is composed of an insulating film 73 inside which a capaci...

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Hauptverfasser: YOSHIHARA SHOJIRO, MARUI SHOGO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a voltage detection capacitor, a voltage detection capacitor unit, and an insulating film that can reduce manufacturing costs by reducing the number of components and simplifying assembly.SOLUTION: A voltage detection capacitor 71 is composed of an insulating film 73 inside which a capacitor element 72 is filled. The insulating film 73 has a body portion 731 and a base end portion 732 integrally formed, the body portion made of a bellows-shaped elastic material and the base end portion made of the same material as the body portion. The base end portion 732 has an inner flange portion 732b and an outer flange portion 732c, and a fitting groove 732a is formed along a circumferential direction between the inner flange portion 732b and the outer flange portion 732c. A mounting plate 74, which is a grounding plane, and the voltage detection capacitor 71 can be assembled by simple work, by inserting into an insertion hole 741 of the mounting plate 74 from the body portion 731 side of the insulating film 73 and fitting an edge portion 742 of the insertion hole 741 into the fitting groove 732a.SELECTED DRAWING: Figure 3 【課題】部品点数を少なくして組み付けを簡略化することにより製造コストを低減することができる電圧検出用コンデンサ、電圧検出用コンデンサユニット、及び絶縁被膜を提供することを目的とする。【解決手段】電圧検出用コンデンサ71は、コンデンサ素子72を内部に装填する絶縁被膜73から構成されている。絶縁被膜73は蛇腹状の弾性材料からなる本体部731、及び本体部と同材質の基端部732が一体成型されている。基端部732は内側フランジ部732b、及び外側フランジ部732cを有し、内側フランジ部732bと外側フランジ部732cの間には周方向に沿って嵌合溝732aが形成されている。取付板74の挿通孔741に絶縁被膜73の本体部731側から通し、嵌合溝732aに挿通孔741の縁部742を嵌合させることで、簡単な作業により接地面である取付板74と電圧検出用コンデンサ71を組み付けることができる。【選択図】図3