Aquaculture oxygen content detection device

The utility model discloses an aquaculture oxygen content detection device which comprises a dissolved oxygen meter body, an air pump and an installation box, a partition plate is transversely arranged in the installation box and divides the interior of the installation box into an instrument box and a pump box which are arranged up and down, the dissolved oxygen meter body is installed in the instrument box, and the air pump is arranged in the pump box. Two detection plates are arranged at the bottom of the installation box, a detection mechanism is arranged on the two detection plates in a sliding mode, the detection mechanism comprises a sliding plate, an air bag, two balancing weights, a Z-shaped installation pipe, an electromagnetic valve, an air outlet pipe, an inflation pipe and a detection electrode matched with the dissolved oxygen meter body, and a controller is arranged on one side of the dissolved oxygen meter body in the instrument box. The controller is respectively connected with the dissolved