Device for automatically controlling acidity and alkalinity of soil

The utility model belongs to the technical field of automatic control, and particularly discloses a device for automatically controlling the acidity and alkalinity of soil, which comprises an acidity and alkalinity control device main body, a shell cover, a display screen and a transmission pipe, one side of the acidity and alkalinity control device main body is fixedly connected with the shell cover, and two ends of the other side of the shell cover are movably connected with movable shafts; a second booster pump is fixedly connected to the other side of the top in the acid-base control device body, an A/D converter is fixedly connected to the middle of the bottom in the acid-base control device body, and acid-base value data detected by the detection mechanism is converted into data information under the action of the A/D converter. Then data information detected under the action of the single chip microcomputer is analyzed, and meanwhile, the analyzed data can be displayed on the display screen by a user,