To disclose a novel structure of a circuit unit in an onboard electrical component that can improve the workability of connecting the connector to the circuit components of the circuit unit and improve heat dissipation.SOLUTION: In a circuit unit in an onboard electric component 10, a connection member 100 has a circuit side connection part 100b provided at the protruding end of a plate wall 34 toward the second side 82 opposite the first side 78, the circuit side connection part 100b is connected to the circuit member 40, a retainer 32 has a heat transfer surface 28 that thermally contacts the enclosure 124, the retainer 32 is fixed to the enclosure 124 in a state that the heat transfer surface 28 thermally contacts the enclosure 124, and the plate wall 34 covers the enclosure through-hole 148 so that a seal member 88 contacts the peripheral edge of the enclosure through-hole 148 from the inner side of the enclosure 124 in a state that the retainer 32 is fixed to the enclosure 124.SELECTED DRAWING: Figure 2
【課題】コネクタと回路ユニットの回路部材との接続作業性の向上と、放熱性の向上を図ることができる、新規な構造の車載電気部品内回路ユニットを開示する。【解決手段】車載電気部品内回路ユニット10は、接続部材100が、板壁部34の第1面78と反対側の第2面82側への突出端部に設けられた回路側接続部100bを有し、回路側接続部100bは、回路部材40に接続されており、保持体32は筐体124に熱的に接触する伝熱面28を有し、伝熱面28が筐体124に熱的に接触した状態で保持体32が筐体124に固定されるようになっており、保持体32が筐体124に固定された状態で、板壁部34が筐体貫通孔148を覆ってシール部材88が筐体124の内部側から筐体貫通孔148の周縁に接触するようになっている。【選択図】図2
CIRCUIT UNIT IN ONBOARD ELECTRICAL COMPONENT
車載電気部品内回路ユニット
2021-10-28
Patent
Electronic Resource
Japanese
IPC: | H05K PRINTED CIRCUITS , Gedruckte Schaltungen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H01R Elektrisch leitende Verbindungen , ELECTRICALLY-CONDUCTIVE CONNECTIONS / H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES , Verlegen oder Installieren elektrischer Kabel oder Leitungen, Verlegen oder Installieren kombinierter optischer und elektrischer Kabel oder Leitungen |