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Vacuum thermoelectric tube

A vacuum and thermoelectric technology, applied in thermoelectric devices, circuits, electrical components, etc., can solve problems such as low conversion rate and complex structure, and achieve the effects of improving conversion efficiency, simplifying heating methods, and simple structure

Inactive Publication Date: 2019-06-07
徐荣华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of complex structure and low conversion rate in existing thermoelectric tubes, the present invention aims to provide a vacuum thermoelectric tube with a simple structure and a simple heating method

Method used

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Embodiment Construction

[0013] The vacuum thermoelectric tube provided by the present invention will be further described in conjunction with the accompanying drawings.

[0014] Such as figure 1 with 2 As shown, the vacuum thermoelectric tube provided by the present invention includes a cavity 1 made of high temperature resistant (1700° C.) quartz glass and several thermocouples 2 connected in series, wherein the cavity 1 is vacuum, and the thermocouple 2 consists of two types Conductor A3 and conductor B4 with very different work functions, the conductor A3 and conductor B4 are respectively barium oxide and tungsten, thorium oxide and titanium, strontium oxide and iron or other conductors with very different work functions; conductors A3 and One end of conductor B4 is in direct contact to form a low-temperature electrode end, while the other end of conductor A3 and conductor B4 is non-contact to form a high-temperature electrode end, and the distance between the two conductors is 1mm, 1.5mm or 2mm;...

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Abstract

The invention discloses a vacuum thermoelectric tube, which comprises a cavity (1) and several thermocouples (2), and each thermocouple (2) consists of two conductors A (3) and B ( 4) Composition, one end of the conductor A (3) and the conductor B (4) are directly connected to form a low-temperature electrode end, and the other end is non-contact to form a high-temperature electrode end; the high-temperature electrode end is placed in the cavity (1), and the high temperature insulating material is filled between the conductor A (3) and the conductor B (4) at the high temperature electrode end; the cavity (1) is vacuum. The vacuum thermoelectric tube disclosed by the invention has simple structure and high heat and electricity conversion efficiency.

Description

technical field [0001] The invention relates to a thermoelectric tube, in particular to a vacuum thermoelectric tube. Background technique [0002] A thermoelectric tube is a device that directly converts thermal energy into electrical energy. For example, the utility model of Chinese Patent Publication No. CN204630119U discloses a solar vacuum thermoelectric tube. The thermoelectric tube includes an inner glass tube and an outer glass tube. There is an elastic tube seat, the inner glass tube is coaxially installed on the elastic tube seat, the nozzle of the inner glass tube and the nozzle of the outer glass tube are welded together at high temperature, the vacuum is drawn between the two, and the inner glass tube is fixed in the outer glass tube by an elastic bracket , the outer wall of the inner glass tube is sprayed with a high-temperature-resistant heat-conducting insulating ceramic inner layer, and the outer surface of the high-temperature-resistant heat-conducting insu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L35/32H10N10/17
CPCH10N19/101H10N10/17
Inventor 徐荣华
Owner 徐荣华