Miniature electrochemical sensor reference electrode potential measuring and calculating device

A reference electrode and conductivity sensor technology, applied in the field of sensors, can solve the problems of difficult adjustment of the sensor drive circuit, inability to conduct experiments or measurements at the same time, and achieve the effect of maintaining measurement accuracy and prolonging service life

Pending Publication Date: 2021-03-19
江苏英诺麦德科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0041] Fourth, when performing calibration, the user is required to calibrate the reference electrode, and experiments or measurements cannot be performed at the same time
[0042] Fifth, it is difficult to adjust the sensor drive circuit or calibrate and compensate the measurement results by directly measuring the electrode potential of the reference electrode

Method used

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  • Miniature electrochemical sensor reference electrode potential measuring and calculating device
  • Miniature electrochemical sensor reference electrode potential measuring and calculating device
  • Miniature electrochemical sensor reference electrode potential measuring and calculating device

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Embodiment Construction

[0064] The implementation mode of the present invention is illustrated by specific specific examples below, and those who are familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this description. Obviously, the described embodiments are a part of the present invention. , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0065] Such as figure 1 and figure 2 As shown, a kind of miniature electrochemical sensor reference electrode potential measuring device in the embodiment of the first aspect of the present invention includes an airtight casing 2, a reference electrode 1, a temperature sensor 5, a conductivity sensor 6, a measurement circuit and a working electrode As well as other sensor electrodes 11 that m...

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Abstract

The invention discloses a miniature electrochemical sensor reference electrode potential measuring and calculating device which comprises a closed shell, a reference electrode, a temperature sensor, aconductivity sensor, a measuring circuit and a working electrode. The reference electrode, the temperature sensor and the conductivity sensor are arranged in the closed shell; and the reference electrode, the temperature sensor, the conductivity sensor and the working electrode are electrically connected with the measuring circuit through connecting wires. The invention belongs to the technical field of sensors, and aims to solve the problems of low stability of reference potential, potential drift, limited service life and difficulty in direct measurement of reference electrode potential during measurement of an electrochemical sensor in the prior art. The device has the technical effects that the device solves the problem that the reference electrode of the miniature electrochemical sensor is difficult to directly measure the electrode potential, and further solves the problems that the measurement precision of the sensor is reduced and the service life of the sensor is limited dueto degradation and drifting of the reference electrode.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to a device for measuring and calculating the potential of a reference electrode of a miniature electrochemical sensor. Background technique [0002] Electrochemical sensor is a sensor based on the electrochemical properties of the analyte and converts the chemical quantity of the analyte into an electrical quantity for sensing and detection. When in use, it measures electrical signals such as potential and current generated in the target electrochemical reaction. To characterize the electrochemical properties of the analyte. [0003] Among the many sensor types, electrochemical sensors have the advantages of relatively small size, low power consumption, simple structure, and low cost. They have gradually become the focus of research and have a wide range of applications. However, it also has problems such as measurement drift, decreased measurement accuracy, and the need for regul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/416G01N27/30G01D21/02
CPCG01D21/02G01N27/301G01N27/4163
Inventor 陆世龙黄欣吴江
Owner 江苏英诺麦德科技有限公司
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