Wearable flexible thermoelectric power generation structure with stretchable wires

Abstract

The invention discloses a wearable flexible thermoelectric power generation structure with extensible wires. From the wearing surface outward, it includes a flexible heat-conducting silicone pad, a thermoelectric power generation layer, a heat-conducting patch, and a metal heat sink; Connect to the bottom surface of the metal heat sink. When the wearing surface is attached to the non-planar human epidermis, the stretchable metal wire and polydimethylsiloxane package can absorb the deformation stress, avoiding the fracture of the bismuth telluride-based thermoelectric arm with poor mechanical properties and the failure of the electrode connection; the thermoelectric power generation layer The hot side of the hot end is packaged with a flexible heat-conducting silicone pad to ensure tight contact with the wearer's skin and improve heat transfer efficiency; the cold end of each rigid thermoelectric power generation module has an independent heat-conducting patch and metal heat sink, which reduces the structure. The thickness and quality increase the temperature difference between the hot and cold ends. It can supply energy to wearable medical devices and has the value of popularization and application.

Description

technical field [0001] The invention relates to a thermoelectric power generation structure, in particular to a wearable flexible thermoelectric power generation structure with extensible wires. Background technique [0002] Wearable medical devices are more and more widely used, such as pulse oximeter, EEG monitor, ECG monitor, toxin detector and blood glucose tester, etc., which can detect human health indicators in real time or assist in the treatment of diseases. Providing durable and stable energy supply for wearable medical devices is a research hotspot and difficult problem in the world today. The existing energy supply mainly relies on lithium batteries, and its effective working time is generally several hours to several days, and the equipment needs to be removed frequently for charging, which limits the patient's range of action and brings a lot of inconvenience to the patient; For patients with poor abilities, frequent replacement of batteries will increase the ...

AI Technical Summary

Problems solved by technology

However, there are many curved surfaces on the human body surface and the flexibility of human body activities requires smaller size and better flexibility of wearable thermoelectric power generation components; bismuth telluride-based materials have poor mechanical properties, and stress can easily lead to fracture and deformation, so Bismuth telluride-based materials processed directly on flexible substrates are prone to fracture, rendering thermoelectric units useless

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