DANGEROUS WARNING SYSTEM FOR MOVING HEAVY OBJECT WITH ELECTRIC LINES
The present invention relates to a warning system with electric wires against moving weights. A first switch (100) comprising a pair of connectors (31, 32, 33, 41, 42, 43) is connected to a lock detection circuit (71, 72, 73) and a second switch (110) comprises a limit switch (51, 52, 53, 54). A war...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | The present invention relates to a warning system with electric wires against moving weights. A first switch (100) comprising a pair of connectors (31, 32, 33, 41, 42, 43) is connected to a lock detection circuit (71, 72, 73) and a second switch (110) comprises a limit switch (51, 52, 53, 54). A warning output device (80) generating an aural or a visual output sends the current of battery (90) to the first switch and the second switch converted to CLOSE. A safety accident and a breakage of a cable under poor environment such as night work is prevented in an industrial site where the weights (10) connected to a fixed pad with the electrical wire is moved by a crane (60). A repair expense for a launch pad cable and the mistakes of workers capable of generating an electric power shortage are basically prevented by applying the invention to a guided missile system comprising a periodical checkup and reload. [Reference numerals] (AA) Switch 1;(BB) Switch 2 |
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