Gallium arsenide-based thermoelectric and photoelectric sensor in self-powered radio frequency receiving and transmitting assembly

Abstract

A gallium arsenide-based thermoelectric and photoelectric sensor in a self-powered radio frequency receiving and transmitting assembly is an array structure composed of several identical sensor modules. Each sensor module is formed by series connection of many groups of thermocouples. The hot end of the sensor is placed on the part (a cooling plate), where heat is concentrated, of a power amplifier, and the cold end of the sensor is far away from the part, where the heat is concentrated, of the power amplifier and is next to a metal shell (a heat sink plate), so that a large temperature difference is formed between the cold end and the hot end. A direct-current voltage is generated on the thermopile array structure based on the Seebeck effect and is output, and the direct-current voltage charges a rechargeable battery for energy storage; a layer of photovoltaic materialon the upper surface of the heat sink plate can be used for effectively absorbing optical energy, and then a photoelectric microsensor capable of collecting the optical energy is formed. The gallium arsenide-based thermoelectric and photoelectric sensor can collect the optical energy and thermal energy simultaneously for self power supply; compared with a traditional self-powered sensor which can only collect a single type of energy, the gallium arsenide-based thermoelectric and photoelectric sensor is smaller in size, and the power supply ability is greatly improved.

Description

technical field [0001] The invention provides a gallium arsenide-based thermoelectric and photoelectric sensor in a self-powered radio frequency transceiver component, which belongs to the technical field of micro-electromechanical systems. Background technique [0002] The Internet of Things is called the third wave of information technology. As a strategic emerging industry, it is rapidly advancing under the government's high attention. With the rapid development of the Internet of Things, the research on self-powered sensors and energy harvesting chips has received more and more attention. At present, there are problems that need to be solved urgently in the RF transceiver components of the Internet of Things: power supply and heat dissipation. About 85% of the power of the transmitting part of the radio frequency transceiver component of the Internet of Things is wasted in the form of thermal power consumption. Commonly used sensor network contacts are powered by their ...

AI Technical Summary

Problems solved by technology

At present, the problems that need to be solved urgently in the radio frequency transceiver components of the Internet of Things are: power supply problems and heat dissipation problems

About 85% of the power of the transmitting part of the radio frequency transceiver component of the Internet of Things is wasted in the form of thermal power consumption. Commonly used sensor network contacts are powered by their own batteries, and their energy is limited, especially for the radio frequency of the Internet of Things used in the wild environment. The battery of the transceiver component is not easy to replace

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