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6results about How to "Self-powered" patented technology

Self-assembled omnidirectional high temperature vibration sensor array and manufacturing method

ActiveCN115096430BOmni-directional vibration signal detection capabilityReduce structural complexitySubsonic/sonic/ultrasonic wave measurementUsing electrical means
The present invention provides a self-assembled omnidirectional high-temperature vibration sensor array based on two-dimensional crystal piezoelectric materials, belonging to the field of vibration sensor technology, wherein each unit includes a single crystal silicon substrate; a stress layer formed on the single crystal silicon substrate; a heterojunction formed on the stress layer, the heterojunction including a gate electrode, a dielectric layer, a two-dimensional crystal piezoelectric material layer, a source electrode, a drain electrode and a nano protective layer arranged in sequence; driven by the stress layer, the heterojunction is self-assembled into a curled semicircular three-dimensional structure. A multi-layer (≥3) circular array is performed on the above structure to obtain a three-dimensional self-assembled omnidirectional piezoelectric vibration sensor array structure. The present invention also discloses a method for making a self-assembled omnidirectional high-temperature vibration sensor array based on two-dimensional crystal piezoelectric materials. The miniaturization of the omnidirectional vibration sensor is achieved through monolithic integration, and high sensitivity, wide range and high temperature resistance detection are also achieved.
Owner:BEIJING JIAOTONG UNIV

A method, apparatus and display screen for energy management

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.
Owner:CHANGZHI CITY HUAJIE GUANG TECH CO LTD

Self-powered-solid non-contact collision avoidance sensor based on liquid TVNG

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.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY

Self-powered switch control circuit

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.
Owner:DONGGUAN DFM ELECTRONIC CO LTD

Self-powering method for electrochemical production systems and related devices

PendingCN122697441Aself-poweredlow cost
The application provides a self-power supply method of an electrochemical production system and related devices, which are applied to a processing module of the electrochemical production system. The electrochemical production system further includes an energy storage module, a first power supply module, a first power supply ring network, a second power supply module, a second power supply ring network, a first load module and a second load module. The first power supply module obtains a current of a first voltage from the energy storage module and converts the current into a current of a second voltage to input the first power supply ring network, so as to supply power to the first load module through the first power supply ring network. The second voltage is less than the first voltage. The second power supply module obtains a current of the first voltage from the energy storage module and converts the current into a current of a third voltage to input the second power supply ring network, so as to supply power to the second load module through the second power supply ring network. The third voltage is greater than the second voltage and less than the first voltage. The self-power supply of the electrochemical production system can be realized without the power grid, the hardware cost is reduced, and the power supply efficiency is greatly improved.
Owner:HUIZHOU YIWEI HYDROGEN ENERGY CO LTD

Modularized planting square cabin for realizing cooling or heating based on water flow window

The invention provides a modular planting square cabin for realizing cooling or heating based on a water flow window, in the field of water flow window application, the modular planting square cabin comprises a cabin body, a water flow window module, an electrolytic cell, a first heat exchanger, a core reactor and a circulating water pump, the water flow window module is a partition in a cabin body space, and the space in the cabin body is divided into a plurality of planting spaces; a waterway in the water flow window module is connected with the electrolytic cell, an oxygen pipeline in the water flow window module is connected with the electrolytic cell, and the electrolytic cell is connected with the power module; a first inlet of the first heat exchanger is connected with a hydrogen outlet of the electrolytic cell, a second inlet of the first heat exchanger is connected with a reactor outlet, and a heat exchanger outlet is connected with a reactor inlet; a hot water outlet of the heat-insulating tank is connected with a water inlet of a waterway of the water flow window module; according to the shelter, specific temperature building and specific oxygen amount supply are carried out according to different oxygen and temperatures required by different plant varieties.
Owner:UNIV OF SCI & TECH BEIJING +1