| 摘要 |
A device for monitoring resource of air high-voltage switches comprises first, second and third current sensors, comparators, first, second, third, fourth, fifth, sixth, seventh digital comparators, first, second and third electronic switches, first, second, third and fourth pulse counters, first, second and third OR gates, zero adjustment unit, pulse former, switching sensor, differentiator, first, second, third, fourth, fifth, sixth, seventh, eighth, ninth AND gates, first and second pulse generators, pressure sensor, decipher, functional generator, digital bus. Introduced are eighth, ninth and tenth comparators, OR-NOT gate, second monovibrator, third OR gate, first, second and third EXCLUSIVE OR gates, third pulse generator, flip-flop, tenth, eleventh, twelfth and thirteen AND gates, standard delay setup unit, sixth, seventh and eighth pulse counters, second, third and fourth digital comparators, first, second and third indicators. |
