3results about How to "Self-powered" patented technology

This invention relates to an energy management method, apparatus, and display screen for a display screen. The energy management method of this application is applied to a display control system. The method includes: analyzing and processing energy parameters acquired by an energy harvester to obtain an energy intensity curve representing intensity changes and stability; processing the energy intensity curve based on a preset energy assessment model to obtain collectable energy data and controlling the energy harvester to collect the energy; the display control system can process the power supply requirements of the display module and the energy conversion information fed back by the energy conversion memory to generate energy allocation instructions to control the energy conversion memory to rationally allocate the converted and stored energy. This method can convert renewable resources into electrical energy, achieving self-powering of the display screen, which is more energy-efficient and environmentally friendly, while also eliminating dependence on the power grid and expanding the application scenarios of the display screen.

The invention relates to the technical field of semiconductor devices, in particular to a self-powered-solid non-contact collision avoidance sensor based on liquid TVNG, and solves the technical problems of serious mechanical wear, tedious wiring and insensitive non-contact monitoring of fine gaps due to the fact that a contact limit switch or a pressure-sensitive film is additionally arranged at the front end of a mechanical arm. The device comprises a gold electrode layer, a semiconductor layer and a metal moving electrode, the gold electrode layer is plated on the bottom surface of the semiconductor layer, the top surface of the semiconductor layer is fixedly connected with a hemispherical flexible packaging cover body, the metal moving electrode is fixedly connected to the inner top of the flexible packaging cover body, and a certain gap is kept between the metal moving electrode and the top surface of the semiconductor layer. And the gap is filled with interface liquid. According to the sensor, the interface liquid with the mm-level thickness is added between the metal moving electrode and the semiconductor layer, an instantaneous signal can be generated when the interface liquid slides relative to the semiconductor layer, and high-sensitivity mm-level rapid sensing feedback is successfully achieved.

The utility model discloses a self-powered switch control circuit, and relates to the technical field of switch products, the self-powered switch control circuit comprises a pressing power generation unit, a power management circuit and a signal generation circuit, the power management circuit comprises a rectification module and a power management chip, the input end of the rectification module is connected with the output end of the pressing power generation unit, and the input end of the rectification module is connected with the output end of the pressing power generation unit; the rectifier module is used for converting alternating-current voltage generated by the pressing power generation unit into direct-current voltage, and the output end of the rectifier module is connected with the input end of the power management chip; the signal generation circuit comprises a switching module and a wireless radio frequency emission chip, and the input end and the control end of the wireless radio frequency emission chip are connected with the output end of the power management chip and the switching module respectively; and the switching module is used for changing the type of a signal transmitted by the radio frequency output end of the wireless radio frequency transmitting chip. The environment-friendly benefit of the product can be improved in a self-powered mode, and the diversified control requirements of the switch are met.