| 摘要 |
<p>A control board for inverter-driven, variable speed AC motors, including a casing (9), a plurality of large-sized electric parts (1), (2), (5) arranged in the interior of the casing (9) and having one connecting terminal (14) at an upper portion thereof, a short bar base plate (10) placed on the mentioned connecting terminals (14) and provided on the lower side thereof with a short bar contacting the same connecting terminals (14) and consisting of a conductor, a printed board (11) provided with small electric parts and connecting terminals, which are other than the connecting terminals (14), cylindrical connecting members (17) consisting of a conductor, retaining the printed board (11) and contacting the connecting terminals on the printed board (11) at the upper ends thereof and the short bar on the short bar base plate (10) at the lower ends thereof, screws (13) passed through the connecting other terminals on the printed board (11), cylindrical connecting members (17), short bar base plate (10), short bar and first-mentioned connecting terminals (14), and nuts (18) engaging the lower end portions of the screws (13).</p> |
