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Formaldehyde electrochemical sensing detection device, calibration method and purifier

A detection device and calibration method technology, applied in the direction of measuring devices, electrochemical variables of materials, scientific instruments, etc., can solve the problems of inaccurate formaldehyde concentration values ​​and invisible aldehyde removal effects, etc.

Inactive Publication Date: 2019-04-19
GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the above-mentioned problems such as invisible aldehyde removal effect of formaldehyde removal products or formaldehyde concentration display devices or inaccurate formaldehyde concentration values, the present invention provides a formaldehyde electrochemical sensing detection device, calibration method, and purifier

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  • Formaldehyde electrochemical sensing detection device, calibration method and purifier
  • Formaldehyde electrochemical sensing detection device, calibration method and purifier
  • Formaldehyde electrochemical sensing detection device, calibration method and purifier

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Embodiment Construction

[0027] The technical solution in the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0028] Such as figure 1 As shown, a formaldehyde electrochemical sensing detection device includes a formaldehyde electrochemical sensing detector 1, an interference factor detector 2, a processor 3, and a display device 4, and the formaldehyde electrochemical sensing detector 1, interference factor The detector 2 and the processor 3 are integrated as an integrated sensor, and the integrated sensor is connected to the display screen of the display device 4 for signals, and the

[0029] Formaldehyde electrochemical sensor detector 1 is used to detect the detection value of formaldehyde concentration in the environment;

[0030] The interference factor detector 2 is used to detect the par...

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Abstract

The invention belongs to the technical field of formaldehyde detection processing and particularly relates to a formaldehyde electrochemical sensing detection device, a calibration method and a purifier. The calibration method of the formaldehyde electrochemical sensing detection device includes: acquiring interference factor parameter values, formaldehyde concentration actual values and formaldehyde concentration detection values in environments of different interference factors; performing parameter fitting according to the interference factor parameter values, the formaldehyde concentrationactual values and the formaldehyde concentration detection values to obtain compensation coefficients corresponding to different interference factors; adopting the obtained compensation coefficientsfor calibration of the formaldehyde concentration detection values. Therefore, environmental parameter sensitivity of existing sensor response output can be effectively improved, influences of environmental parameter differences on detection response output results are avoided, and the real concentration of formaldehyde in an environment can be effectively displayed by air purification products orother formaldehyde removal concentration display devices.

Description

technical field [0001] The invention belongs to the technical field of formaldehyde detection and processing, and in particular relates to a formaldehyde electrochemical sensing and detection device, a calibration method and a purifier. Background technique [0002] Formaldehyde is a colorless gas with a special pungent odor, which is irritating to human eyes and nose, and is easily soluble in water and ethanol. At present, the formaldehyde concentration display devices on the market all use electrochemical sensors. The digital display value of this type of sensor is easily affected by factors such as alcohols, temperature, humidity, etc., which reduces the reliability of the formaldehyde concentration value. In theory, the formaldehyde electrochemical sensor needs to be calibrated with standard gas every six months, and its service life is less than 3 years. However, in practical applications, it is impossible to calibrate the formaldehyde electrochemical sensor after using...

Claims

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Application Information

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IPC IPC(8): G01N27/416G01N27/26
CPCG01N27/26G01N27/4163
Inventor 肖利容王堃王贤波封宗瑜肖德玲程晨曾焕雄
Owner GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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