Combined massage structure and suspended triboelectric nanogenerating massage bead

A suspended triboelectric nanogenerating massage bead comprising a combined massage structure, a triboelectric nanogeneration assembly, a rectification energy storage assembly, current-limiting resistors and working electrodes, wherein the combined massage structure includes massage bead, spring body insulating holder and massage hole seat, the massage bead comprises a massage structure, a connecting member and a spring body, a twisting spring at one end of the spring body is snap fitted in the spring body insulating holder, and straight spring arm at the other end thereof is connected with straight spring arm cavity on the connecting member with a clearance therebetween, the massage structure is fixedly connected to one end of the connecting member opposite to the spring body, when the external pressure is applied to the massage structure and a dynamic balance between the external pressure and the elastic force of the spring body is reached, suspended massage can be realized, the triboelectric nanogeneration assembly includes an independent friction medium layers and back electrodes, the independent friction medium layers form a friction pair composed of a nylon film and an FEP Teflon film, the nylon film is fixed inside the massage bead and connected to the connecting member, and the FEP Teflon film is disposed opposite to the nylon film, the back electrodes include a nylon film back electrode and an FEP Teflon film back electrode, which are respectively arranged on the sides of the two films away from the friction pair, the rectification energy storage assembly includes a full-bridge rectifier module and an energy storage capacitor, the input terminal of the full-bridge rectifier module is electrically connected to the back electrodes, and the positive and negative poles of DC output terminal of the full-bridge rectifier module are electrically connected in parallel with the positive and negative poles of the energy storage capacitor, the positive and negative poles of the energy storage capacitor are electrically connected in one-to-one correspondence with the positive and negative poles of the working electrodes through the current-limiting resistors, and the working electrodes are arranged on the top surface of the massage structure, when the external pressure on the massage structure and the elastic force of the spring body alternate between the dynamic balance condition and dynamic imbalance condition and a triboelectric nanogeneration state is established, suspended friction electrical pulse stimulation massage is realized.