Cleaning device

• Main Author: HE SHIYOU
• Format: Patent
• Language: Chinese; English
• Published: 14.06.2022
• Subjects: MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; TESTING

The cleaning device comprises a sewage tank, a first liquid level contact piece, a second liquid level contact piece, a detection circuit and a control circuit, an opening is formed in the bottom of the sewage tank, a sewage inlet pipe is arranged in the sewage tank, and the sewage inlet pipe is communicated with the opening and extends to the upper side of the interior of the sewage tank; the first liquid level contact piece is electrically connected with the detection circuit, the second liquid level contact piece is electrically connected with the detection circuit, and the first liquid level contact piece and the second liquid level contact piece are arranged at preset positions on the upper side in the sewage tank and used for conducting a detection loop between the first liquid level contact piece and the second liquid level contact piece when the liquid level rises to a preset height. The detection circuit is connected with the control circuit; when the liquid level contact piece makes contact with liq