Electrochemical sensor with solid polymer electrolyte and gas detection method using the same

A solid polymer and gas sensor technology, applied in scientific instruments, instruments, measuring devices, etc., can solve problems such as changes, affecting detection accuracy and reproducibility, and poor selectivity

Inactive Publication Date: 2006-02-15
杭州生源医疗保健技术开发有限公司
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  • Abstract
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Problems solved by technology

[0024] The present invention solves the problem that the electrochemical gas sensor using the solid polymer film still has a liquid electrolyte and the electrolyte dries up and leaks, and the water content of the solid polymer film produced without the liquid electrolyte is easy to change with time or the detection medium , thereby a

Method used

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  • Electrochemical sensor with solid polymer electrolyte and gas detection method using the same
  • Electrochemical sensor with solid polymer electrolyte and gas detection method using the same
  • Electrochemical sensor with solid polymer electrolyte and gas detection method using the same

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Embodiment Construction

[0070] The implementation of the invention includes the construction of solid polymer electrolyte electrochemical gas sensor, the program design for outputting multi-pulse control potential signal, gas sample detection and so on.

[0071] 1. Solid polymer electrolyte electrochemical sensor

[0072] see picture 1, figure 2 , the sensor has an upper housing 5 and a lower housing 4, a solid polymer electrolyte membrane 1 is arranged between the upper and lower housings, and a detection chamber 3 is provided in the lower housing, and a sensitive electrode 2 is attached to a solid On the polymer electrolyte membrane 1, a reference electrode chamber 6 and a counter electrode chamber 10 are provided in the upper case, a reference electrode 8 is provided in the reference electrode chamber, and a counter electrode 11 is provided in the counter electrode chamber to stick to the solid polymer electrolyte On the membrane 1, the reference electrode chamber 6 is filled with a stagnant elec...

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Abstract

This invention relates to a solid polymeric electrolyte electrochemical gas sensor of high precision and good reproducibility, which comprises the following parts: solid polymeric electrolytic film, checking room wherein there are present sensitive pole and reference electrode room which consists of reference electrode and double electrodes. The sensitive electrode and double electrode adhere to the electrolytic film. The reference electrode room is full of stagnant electrolyte and connects many multi-impulse signal senders and detecting routes. The sensor detects the program gas by multi-impulse signal sender, which forces electric potential between the sensitive and reference electrolyte. Two respond current differential values detect the content of present gas, which adapt an one-impulse respond current under multi-impulse controlling electric potential and a respond current under another impulse potential without present electrochemical gas for sensitive electrode.

Description

technical field [0001] The invention relates to a gas detection device and a detection method, in particular to a gas sensor device and a gas detection method using it. Background technique [0002] The detection of gas partial pressure or content in the environment or sample gas has been paid more and more attention. It is mainly used in environmental protection, life and production process control. These fields require real-time, fast and simple detection of the environment or sample gas. The gas content in the gas can be displayed in real time, such as the dynamic monitoring of the atmospheric environment, the detection of automobile exhaust, etc.; sometimes it is required to directly input the detection signal to the automatic control equipment to realize the automatic control of the process, such as combustion control, control and adjustment of the air conditioning system , Control and regulation of biological fermentation process, etc. Among the e...

Claims

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Application Information

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IPC IPC(8): G01N27/407G01N27/403
Inventor 吴秉亮莫一平刘美星吕培发
Owner 杭州生源医疗保健技术开发有限公司
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