Anti-induction circuit of operation column indicating lamp
The utility model provides an anti-induction circuit of an operation column indicating lamp. The anti-induction circuit comprises an operation circuit; the control circuit is connected with the operation circuit in parallel and is provided with an intermediate relay coil; the first operation circuit...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides an anti-induction circuit of an operation column indicating lamp. The anti-induction circuit comprises an operation circuit; the control circuit is connected with the operation circuit in parallel and is provided with an intermediate relay coil; the first operation circuit is provided with a first operation indicating lamp and two intermediate relay normally-open auxiliary contacts which are connected in series in front of and behind the first operation indicating lamp; the first stop circuit and the operation circuit are arranged in parallel; the first stop circuitis provided with a first stop indicating lamp and two intermediate relay normally-closed auxiliary contacts which are connected in series in front of and behind the first stop indicating lamp; whereinthe operation circuit receives a power-on instruction to enable an intermediate relay coil of the control circuit to be powered on, so that two intermediate relay normally-open auxiliary contacts areclosed, two intermediate r |
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