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Self-correction method for sensor of water purifier

A water quality sensor and self-calibration technology, which is applied in the field of water purification devices, can solve problems such as inaccurate measurement, time-consuming and laborious, and measurement data errors, and achieve good long-term use effects, reduced use costs, and high degree of intelligence.

Active Publication Date: 2018-01-05
JOYOUNG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing water purifiers are becoming more and more intelligent, and more and more water quality sensors are used, but a large part of water quality sensors, such as sensors used to detect water quality parameters such as TOC, COD, chromaticity, and turbidity, are There is calibration. After a period of use, the use environment of the water quality sensor changes, the surface of the water quality sensor is dirty or the water quality sensor itself drifts, resulting in a large error in the measurement data, resulting in inaccurate measurement, and needs to be recalibrated
The calibration of the water quality sensor generally requires the use of standard liquid, and the water quality sensor needs to be removed for recalibration. For ordinary users, it is not only time-consuming and laborious, but most users do not know how to operate it.
In addition, it is difficult for ordinary users to grasp the circumstances under which calibration is required.

Method used

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  • Self-correction method for sensor of water purifier
  • Self-correction method for sensor of water purifier
  • Self-correction method for sensor of water purifier

Examples

Experimental program
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Embodiment 1

[0022] The present invention provides a sensor self-calibration method for a water purifier. The water purifier includes a first filter element 1, a water quality sensor 21, a raw water pipeline 2, a pure water pipeline 3, a concentrated water pipeline 4, a raw water pipeline 2, and a pure water pipeline. The road 3 and the concentrated water pipeline 4 are connected with the first filter element 1 respectively, and the water quality sensor 21 is set in the raw water pipeline 2. The first filter element 1 of this embodiment adopts a reverse osmosis filter element, so a booster pump 22 is also set in the raw water pipeline 2 . The water purifier sensor self-calibration method includes diverting the pure water from the pure water pipeline 3 to the upstream side of the water quality sensor 21 to perform flushing self-calibration on the water quality sensor 21 .

[0023] Since the pure water in the pure water pipeline 3 is already a relatively clean liquid with basically no other ...

Embodiment 2

[0030] In Embodiment 1, only one water quality sensor 21 is provided. In actual products, there may be multiple water quality sensors 21, such as two, three or more. Each water quality sensor 21 corresponds to a k, so the correction of self-calibration The K associated with the period T is the largest of all k or K= a1*k1+a2*k2+...+an*kn, where a1, a2...an are constants and a1+a2+...+an=1.

[0031] For other content not described in this embodiment, reference may be made to Embodiment 1.

Embodiment 3

[0033] Such as Figure 5 As shown, the pure water pipeline 3 is also connected with a water storage bucket 33 , and the water storage bucket 33 can provide pure water to flush the water quality sensor 21 after the calibration work of the water quality sensor 21 starts.

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Abstract

The invention discloses a self-correction method for a sensor of a water purifier, and belongs to the field of water purification devices. The problem that a water quality sensor is difficult to correct is solved. According to the technical scheme for solving the problem, the method mainly includes the step of leading pure water in a pure water pipeline to the upstream side of the water quality sensor to conduct washing and self-correction on the water quality sensor. The method is mainly used for achieving automatic and low-cost correction of the water quality sensor of the water purifier.

Description

technical field [0001] The invention relates to a water purifier, in particular to a water purifier sensor self-calibration method. Background technique [0002] Existing water purifiers are becoming more and more intelligent, and more and more water quality sensors are used, but a large part of water quality sensors, such as sensors used to detect water quality parameters such as TOC, COD, chromaticity, and turbidity, are There is calibration. After a period of use, the use environment of the water quality sensor changes, the surface of the water quality sensor is dirty or the water quality sensor itself drifts, resulting in a large error in the measurement data, resulting in inaccurate measurement, and needs to be recalibrated. The calibration of the water quality sensor generally requires the use of standard liquids, and the water quality sensor needs to be dismantled and recalibrated. For ordinary users, it is not only time-consuming and laborious, but most users do not ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/18
Inventor 王旭宁唐拥华
Owner JOYOUNG CO LTD