Data transmission device of water treatment equipment, management system and transmission method

The embodiment of the invention relates to the technical field of water treatment, and particularly relates to a data transmission device of water treatment equipment, a management system and a transmission method. The device comprises a Hall sensor and a data acquisition module, wherein the Hall sensor is arranged at power equipment of the water treatment equipment, a preset distance is reserved between the Hall sensor and a power line of the power equipment, and the Hall sensor is used for sensing an electric signal on the output power line; and the data acquisition module is connected with the Hall sensor and is used for acquiring the electric signal output by the Hall sensor and transmitting the electric signal to a management platform. According to the scheme, the Hall sensor is used for sensing and measuring the magnetic field generated when the current passes through the power line of the power equipment, so that the electric signal of the power equipment is sensed, and the data acquisition module is u