Wireless charging node capable of monitoring signal strength in real time

Abstract

The invention discloses a wireless charging node capable of monitoring signal strength in real time. The node is mainly composed of a printed circuit board (PCB) antenna, an energy conversion module, a microprocessor module, a signal strength monitoring module, a sensor module and a wireless radio frequency module. The PCB antenna is connected with the energy conversion module which is connected with the microprocessor module through a constant voltage sub-module, the signal strength monitoring module of the microprocessor module monitors the signal strength acquired by the energy conversion module in real time, and the microprocessor module is connected with the signal strength monitoring module and the sensor module through input-output (IO) ports and connected with the wireless radio frequency module through a serial peripheral interface (SPI). The sensor node cannot only perform wireless charging and acquisition and communication of information, but also monitor the signal strength in real time and manage energy. According to the wireless charging node capable of monitoring signal strength in real time, integrated chips are used, so that the product packaging is facilitated. Besides, the energy conversion ratio is high, usable power is large, and the sensor expansibility is good.

Description

technical field

[0001] The invention relates to a new type of wireless sensor node that can collect radio frequency energy for wireless charging and collect sensor node data, especially a wireless charging sensor node that can monitor signal strength in real time, perform energy management, and improve energy conversion rate. Background technique

[0002] With the development of science and technology and the needs of industry, more and more wireless sensor networks are used in production and life. However, due to the large number of nodes, the random distribution of nodes, the harsh environment where nodes are located, and the nodes themselves embedded in solid structures, using traditional batteries to power nodes will bring problems such as difficult battery replacement and high cost, which seriously shortens the life cycle of nodes. . In addition, due to the limited energy of nodes, it is impossible to monitor energy in real time for energy management, which will seriou...

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