Electric control system used for ship pipeline cleaning pump station
The invention discloses an electric control system used for a ship pipeline cleaning pump station. The system includes an oil pump motor, a plurality of electric heating pipes, a temperature controller, a temperature sensor, an upper oil level switch, a lower oil level switch, a first intermediate r...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses an electric control system used for a ship pipeline cleaning pump station. The system includes an oil pump motor, a plurality of electric heating pipes, a temperature controller, a temperature sensor, an upper oil level switch, a lower oil level switch, a first intermediate relay and a second intermediate relay. The temperature controller is electrically connected to a power supply terminal through the temperature sensor. The temperature controller is electrically connected with the upper oil level switch and the lower oil level switch separately through self-inspection alarm contacts of the temperature controller. The temperature controller is electrically connected with the electric heating tubes through temperature control contacts of the temperature controller. The lower oil level switch is electrically connected with the oil pump motor through the first intermediate relay. The upper oil level switch is electrically connected with the electric heating pipes through the second inter |
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