Sensing device for supplementing water to flax

The utility model provides a sensing device for flax water replenishing, and belongs to the technical field of plant cultivation tools. The device is exquisite in structure, convenient to use, flexible to move, energy-saving, environment-friendly and suitable for various cultivation environments. The supporting structure of the device is internally provided with a fixed leg and a plurality of detection supporting legs for auxiliary supporting, and a soil humidity sensor is telescopically inserted in each detection supporting leg, so that multi-directional soil humidity detection can be carried out at a time; the energy charging top cap with the lifting position capable of being changed is arranged, the solar energy utilization rate is increased, meanwhile, interference of human factors on growth of natural objects is reduced, and environment-friendly development is better facilitated. The device is in a plug-and-play working form, so that the use efficiency is improved; the telescopic soil humidity sensor is