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Magnetically-packaged electrochemical gas sensor and packaging method thereof

A gas sensor, electrochemical technology, applied in the direction of electrochemical variables of materials, etc., can solve the problems that components cannot be disassembled and repaired and replaced at will, and achieve the effect of improving the sensitivity of electrochemical reactions, ensuring accuracy, and prolonging service life

Active Publication Date: 2019-12-10
广州钰芯传感科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] To sum up, in view of the shortcomings of existing sensor packages that cannot be disassembled and repaired at will, electrochemical sensors need a package design that can be disassembled, easily replaced, and maintainable.

Method used

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  • Magnetically-packaged electrochemical gas sensor and packaging method thereof
  • Magnetically-packaged electrochemical gas sensor and packaging method thereof
  • Magnetically-packaged electrochemical gas sensor and packaging method thereof

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Embodiment Construction

[0035] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but the present invention is not limited to these embodiments. The present invention covers any alternatives, modifications, equivalent methods and schemes made within the spirit and scope of the present invention.

[0036] In order to provide the public with a thorough understanding of the present invention, specific details are set forth in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details.

[0037] In the following paragraphs the invention is described more specifically by way of example with reference to the accompanying drawings. It should be noted that the drawings are all in simplified form and use inaccurate scales, which are only used to facilitate and clearly assist the purpose of illustrating the embodiments of...

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Abstract

The invention relates to a magnetically-packaged electrochemical gas sensor and a packaging method thereof, the electrochemical gas sensor comprises a sensor and a base, wherein the sensor comprises an upper cover plate (11), a sensor chip (12), a substrate (13), a magnet ring (14) and a metal thimble (15); the base comprises a magnet ring (21) and a spring needle (22). The sensor chip (12) is a micro-spacing electrode of a three-electrode coplanar system. The electrode is mounted on the substrate (13); electrical conduction is realized through a metal thimble (15); the magnet ring (14) is located between the upper cover plate (11) and the substrate (13) and made of magnetic materials, the upper cover plate (11) and the substrate (13) are plated with metal nickel layers at the position ofthe magnet ring (14), wherein the upper cover plate (11), the substrate (13) and the magnet ring (14) are tightly combined through magnetic force. Therefore, the magnetically-packaged electrochemicalgas sensor is detachable, easy to replace and good in maintainability.

Description

technical field [0001] The invention relates to the field of gas detection instruments, in particular to an electrochemical gas sensor packaged by magnetic suction. Background technique [0002] With the development of sensing technology, gas sensors are generally widely used in petrochemical, industrial production, medical, aviation and household life and other fields. With the development of Internet of Things technology, the application requirements of gas sensors are also increasing. In recent years, gas sensors based on electrochemical technology have been rapidly developed and widely used. [0003] The basic elements of a typical electrochemical sensor are: a working (or sensing) electrode, a counter electrode, and usually a reference electrode. The aforementioned electrodes are attached to the sensor, lined with electrolyte. The electrodes are located on the inner surface of a diffusion membrane, which is porous for the detection substance to pass through, but impe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26G01N27/30
CPCG01N27/26G01N27/30
Inventor 奚亚男胡淑锦
Owner 广州钰芯传感科技有限公司
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