3results about How to "No electromagnetic pollution" patented technology

A cage-type magnetic shielding electromagnetic induction heating device comprises: a heat insulation member and a semi-alternating magnetic field source; wherein the semi-alternating magnetic field source comprises: an alternating magnetic field generating unit and a frame; the alternating magnetic field generating unit is composed of an E-shaped magnetic core and a coil arranged on the E-shaped magnetic core. The invention adopts an electromagnetic induction heating method, and compared with the currently used electric heating coil, it saves at least 35% of electricity, is easy to install, improves thermal efficiency and thermal insulation effect, makes the working environment moderate and comfortable, has no electromagnetic pollution to the surrounding environment, and is green and environmentally friendly.

The application discloses an atmospheric water mist polarization power generation device and belongs to the technical field of clean energy power generation. The application solves the problems of the existing renewable energy power generation, such as dependence on light and wind speed, insufficient all-weather capability, low efficiency and difficulty in engineering. The device comprises an atmospheric water mist collection and regulation system, a polarization power generation core array, an electric energy conversion and grid connection system, an intelligent monitoring and protection system and an auxiliary system. The core array adopts 1m*1m standard units in series and parallel connection, and couples four effects of water mist polarization, nanometer pore channel charge separation and the like, so that stable power generation is realized under the environment of RH greater than or equal to 30% and-30 DEG C to +60 DEG C, and the system efficiency is greater than or equal to 18%. The device is suitable for all-weather zero-emission power supply in the scenes of distributed grid-connected / off-grid power stations, remote areas, islands and the like.

The invention provides a protocol conversion method and system for converting power line carrier to visible light communication, and relates to the technical field of power line carrier communication and visible light communication. The protocol conversion method comprises the following steps: sampling a power line carrier signal, filtering out a high-frequency carrier, and carrying out fidelity reduction amplification on the high-frequency carrier signal to obtain a first high-frequency filtering signal; demodulating the first high-frequency filtering signal into a digital signal, encoding the digital signal, packaging the code into a frame, and writing an LED driving instruction into a packaged data frame; and controlling and driving an LED instruction to transmit the data frame in a space in a high-frequency flickering visible light signal form, and receiving the visible light signal based on a communication terminal. According to the protocol conversion method provided by the invention, the high-cost application disadvantage of visible light communication wiring is made up, and the application development problem of limited power line carrier communication frequency bands is solved.