Water quality detection system and water quality detection device

A water quality detection system, configured to measure a concentration of a component to be measured in an aqueous solution, the water quality detection system comprising a water quality detection device and a water-leaving airbag and a gas filling module connected to the water quality detection device, the water quality detection device comprising:

• a body;
• a sensing light source disposed in the body and configured to emit sensing light;
• a fluorescent sensing film disposed on a surface of the body and configured to receive the sensing light to generate feedback light;
• an optical detector disposed in the body and configured to receive the feedback light to generate a concentration signal;
• and
• a processor disposed in the body and electrically connected to the optical detector, and configured to determine the concentration of the component to be measured in the aqueous solution according to the concentration signal,
• wherein the gas filling module is configured to inflate or deflate the water-leaving airbag, and the water-leaving airbag is disposed at the body and configured to float the fluorescent sensing film to be above liquid surface when filled with gas.