Soluble substance content test auxiliary control device

The utility model discloses an auxiliary control device for a soluble substance content test, which comprises a controller and a base, the upper end of the base is fixedly connected with a stand column, the controller is provided with a control mechanism for controlling the start and stop of the test, the control mechanism comprises a light path emitter electrically connected with the controller, and the light path emitter is electrically connected with the controller. The controller is electrically connected with a light path receiver, a water supply control valve and a heating furnace, the heating furnace is arranged on the base, and the base is provided with an extraction mechanism for extracting the content of a test soluble substance. According to the utility model, the light path receiver and the transmitter are arranged, the color change does not need to be observed manually, the test process can be accurately controlled, the test precision is improved, the controller is additionally arranged, the valv