| 摘要 |
<p>A high-voltage switch (10), suitable in particular as an ignition voltage distributor for applying the ignition voltage to the spark plugs in an internal combustion engine, comprises a cascade connection of optoelectrical semiconductor elements (11) activated or switched by incident light radiation. A plurality of semiconductor elements (11) are controlled by a single light-emitting element (12). A shaft (13) or a biconvex cylindrical lens (30) is provided for this purpose. The radiation may also be distributed by optical fibers (37). The use of optical fibres (37) makes it possible to arrange the light-emitting elements (12) which operate on a low-voltage in a housing (36) separate from the high-voltage side, thereby ensuring perfect electric insulation.</p> |
