16-07-2008 дата публикации
Номер: CN0101220815A
Принадлежит:
The invention provides a fully automatic submersible pump, belonging to the mines and urban water supply and drainage fields where the pump is applied. The invention comprises a submersible motor, a water pump assembly, an automatic control circuit and an upper and lower liquid level sensor. The invention is characterized in that the automatic control circuit is connected into a whole with an engine body; the input terminal of the automatic control circuit is respectively connected with the upper liquid level sensor and the lower liquid level sensor and the output terminal thereof is connected with the main circuit of the submersible motor. The invention assembles the main parts which are electrically controlled into the submersible pump, cancels the original external electric control cabinet, greatly shortens the connecting lead, and solves the defects of lead breakage malfunction, special personnel required for watching, inconvenient installation, etc., through adopting the liquid level ...
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