Crane height limiting switch monitoring system
The utility model relates to a crane height limiting switch monitoring system, which comprises a first height limiting switch, a second height limiting switch and a controller, and further consists of one conductive ring of a length angle transducer, a first sampling resistance, a second sampling re...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to a crane height limiting switch monitoring system, which comprises a first height limiting switch, a second height limiting switch and a controller, and further consists of one conductive ring of a length angle transducer, a first sampling resistance, a second sampling resistance and a current-limiting resistance, wherein the resistance values of the first sampling resistance and the second sampling resistance are different, the first height limiting switch is connected in series with the first sampling resistance as a first branch, the second height limiting switch is connected in series with the second sampling resistance as a second branch, the first and the second branches are connected with a voltage-stabilized source through the current-limiting resistance after connecting in parallel, and are connected with one sampling pin of the controller through the conductive ring of the length angle transducer after connecting in parallel, and the controller is used for monitoring the |
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