Line fault detector
The utility model discloses a line fault indicator which comprises casing and fault indicating module arranged in the casing. In the fault indicating module input of pressure swing unit is connected with external power source, output of the pressure swing is connected with input of rectifying unit,...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model discloses a line fault indicator which comprises casing and fault indicating module arranged in the casing. In the fault indicating module input of pressure swing unit is connected with external power source, output of the pressure swing is connected with input of rectifying unit, output of the rectifying unit is divided into two lines, one line is connected with indicating unit by relay, the other line is connected with relay by filtering unit and oscillating circuit unit, delay unit is connected between the filtering unit and the oscillating unit, the indicating unit includes two line indicating wire, one end of which is connected with two adhesive switches of the relay, the other end of which is respectively connected with signal live wire L[3] and the tested wire L[4]. The utility model is of line fault indicator that has simple structure, convenient operation, wide applicability, and is capable of high improving line fault indicating efficiency and decrease labor intensity. |
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