ITMO University has presented the first Russian technology for wireless power supply for Internet of Things (IoT) devices and smart home systems. This was reported by the university's press service.
Only a few companies in the global market have similar technologies, and no such developments have been presented in the Russian market before.
Many IoT and smart home devices are connected to the mains using wires. At the same time, sensors for measuring movement, temperature and humidity receive energy from rechargeable batteries, which require regular replacement. The new wireless power system solves these problems.
The key difference of this technology lies in the distance between the receiver and the transmitter, which can range from a few to tens and hundreds of meters, depending on the specific application. Energy in this system is transmitted using propagating electromagnetic waves.
The developed device consists of two blocks — a transmitter and a receiver. The generator in the transmitter creates a radio frequency signal, which is amplified by an amplifier.
The transmitting antenna emits waves that propagate through the air, reach the receiver antenna and are converted into alternating current. Then the rectifier converts the alternating current into direct current. The power management system accumulates energy and adapts the current parameters depending on the connected device, sending it energy every few seconds.
The new technology can be used in smart home systems. It is enough to place an unlimited number of transmitters along the walls or throughout the area of the room.
Earlier www1.ru reported that a system for wireless power transmission from space has been developed in Russia.
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