Multi-antenna high-efficiency radio frequency energy collector formed by multiple electrodes

Abstract

The invention discloses a multi-antenna high-efficiency radio frequency energy collector formed by multiple electrodes, which is composed of antennas from a first to a fourth, matching networks from a first to a fourth, micro transformers from a first to a third, a multilevel voltage doubling rectifier network, a DC voltage stabilizing module and an energy storage device, wherein output ends of the antennas from the first to the fourth are respectively connected with input ends of the matching networks from the first to the fourth; the output ends of the first matching network and the second matching network are respectively connected with two input ends of the first micro transformer; the output ends of the third matching network and the fourth matching network are respectively connected with two input ends of the second micro transformer; the output ends of the first micro transformer and the second micro transformer are respectively connected with the two input ends of the third micro transformer; and the output end of the third micro transformer is cascaded sequentially with the multilevel voltage doubling rectifier network, the DC voltage stabilizing module and the energy storage device. The multi-antenna high-efficiency radio frequency energy collector formed by multiple electrodes can provide power for implantable medical electronic equipment, and power and efficiency of radio frequency energy collection can be improved.

Description

technical field [0001] The invention belongs to the technical field of medical electronics, and relates to a wireless power supply device for implantable medical electronic equipment, and more particularly to a multi-antenna high-efficiency radio frequency energy collector composed of multi-electrodes. Background technique [0002] Energy harvesting is the process of collecting micro-energy through specific devices, then converting them into electrical energy, storing and utilizing it. Energy harvesting is mainly used in low-power electronic devices, such as wireless sensor networks and wearable electronics. In recent decades, with the continuous development of wireless communication technology, radio frequency energy is being emitted from billions of radio transmitters around the world. These transmitters include mobile phones, mobile phone base stations and TV / radio signal transmission base stations, etc. . This makes RF energy harvesting commercially viable worldwide. ...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the above-mentioned defects in the prior art, solve the technical problems of small energy collected by the existing radio frequency energy harvester, low efficiency, and complex configuration, and provide a multi-antenna high-efficiency radio frequency energy collection composed of multiple electrodes device

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