the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to rail automation and u0442u0435u043bu0435u043cu0435u0445u0430u043du0438u043au0435. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - increased reliability. u0440u0435u043bu044cu0441u043eu0432u0430u00a0 chain 4 contained in the supply end connected in parallel through a reactor 3, a ground transformer 14, power to the primary coil which u043fu043eu0434u0430u0435u0442u0441u00a0 in the switching contact of the relay 5, 51 u0442u0440u0430u043du0441u043cu0438u0442u0442u0435u0440u043du043eu0433u043e;at the end of the associated rail u0440u0435u043bu0435u0439u043du043eu043c chain 10 in parallel to the additional u0440u0435u0437u0438u0441u0442u043eu0440u0443 16 connected successively with the coils auxiliary relay 8 to the secondary u043eu0431u043cu043eu0442 ke a transformer 14 through an amplifier - line 17 has consistently included u043au043eu043cu043cu0443u0442u0438u0440u0443u0435u043cu044bu0435 keys 18, 20, a band pass filter 23, u0432u044bu043fu0440u00a0u043cu0438u0442u0435u043bu044c 24, integrator 25,at the outlet of which included block 26 and 27 u043au043eu043du0442u0440u043eu043bu00a0 normal and critical u0441u043eu0441u0442u043eu00a0u043du0438u00a0 insulation interface, and a signal output u0434u0435u0448u0438u0444u0440u0430u0442u043eu0440u0430 7 u0443u043fu0440u0430u0432u043bu00a0u0435u0442 work key 20. and the integrator 21 with the block 22 and a short u0437u0430u043cu044bu043au0430u043du0438u00a0.the fixed insulating joints through the coil auxiliary relay 8 u043fu0440u043eu0445u043eu0434u00a0u0442 impulse current only from your own source code of pulses of alternating current, etc. and the normal u0441u043eu0441u0442u043eu00a0u043du0438u0438 isolated joints 11, 12 u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 entrance block 26.in case of a deterioration of u0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0 isolated joints 11, 12 of the current from the source 1 code pulses u043eu0442u0432u0435u0442u0432u043bu00a0u0435u0442u0441u00a0 through u0443u043cu0435u043du044cu0448u0438u0432u0448u0438u0435u0441u00a0 u0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0 these joints in u0441u043cu0435u0436 by u0440u0435u043bu044cu0441u043eu0432u0443u044e chain 10 and starts to interfere with her fur coat u043du0430u043fu0440u00a0u0436u0435u043du0438u0435 auxiliary relays 8 and an additional resistor 16, which leads to u043fu043eu00a0u0432u043bu0435u043du0438u044e signal interference at an integrator 25.if the signal level of interference at the output of integrator 25 is small, the units 26 and 27 does not respond. with the increase of signal to interference to u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 u0441u0440u0430u0431u0430u0442u044bu0432u0430u043du0438u00a0 block 26 is the last operation that signals the occurrence of u043fu0440u0435u0434u043eu0442u043au0430u0437u043du043eu0433u043e u0441u043eu0441u0442u043eu00a0u043du0438u00a0 u043eu043bu00a0u0446u0438u0438 joints. to further increase the signal will trigger the block 27, indicating a critical u0441u043eu0441u0442u043eu00a0u043du0438u0438 u0438u0437u043eu043bu00a0u0446u0438u0438 joints. 2).
展开▼
