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Full-automatic verification/calibration device and method for water quality online monitoring instrument

A technology for monitoring instruments and calibration devices, which is applied in the field of verification, and can solve problems such as preparation or data recording or processing errors, low efficiency, and difficulty in locating and tracing the source.

Pending Publication Date: 2019-11-05
XIAMEN STANDARDS SCI INSTR +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The whole process is not only inefficient, but also may cause errors and omissions in the preparation or data recording or processing, making it difficult to locate and trace the source of problems

Method used

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  • Full-automatic verification/calibration device and method for water quality online monitoring instrument
  • Full-automatic verification/calibration device and method for water quality online monitoring instrument
  • Full-automatic verification/calibration device and method for water quality online monitoring instrument

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Embodiment 1

[0042] figure 1 It is a schematic flow chart of an embodiment of a fully automatic verification / calibration device and method for an online water quality monitoring instrument provided by the present invention, figure 2 It is a structural schematic diagram of an embodiment of a fully automatic verification / calibration device for an online water quality monitoring instrument provided by the present invention, image 3 It is a structural schematic diagram of the sample cup provided by the present invention. Such as figure 1 , figure 2 and image 3 As shown, in the first embodiment of the fully automatic verification / calibration method for water quality monitoring of the present invention, step S1, prepare N standard solutions of known concentrations.

[0043] Specifically, the certified standard solution or diluted standard solution is prepared according to the parameters to be tested, and the prepared standard solution or water sample is directly delivered according to th...

Embodiment 2

[0069] Such as figure 2 As shown, the automatic verification / calibration device of the online water quality monitoring instrument mainly includes a sample preparation unit 11, a control unit 12, and equipment to be tested 20, etc. Wherein, the sample preparation unit 11 includes a sample cup 101, a reciprocating syringe pump 102, a syringe pump 103, a peristaltic pump 104, and sample bottles (105a-105e). The control unit 12 includes a controller 106 a, a communication unit 106 b, and a display unit 107 .

[0070] Further, the sample cup 101 is formed as a cuboid container with a hollow structure, at least two liquid inlets (101a, 101b) are provided on its top, a liquid discharge port 101c is formed on its right side, and a liquid discharge port 101c is formed on its bottom. Liquid / air inlet 101d. A liquid inlet 101b of the sample cup 101 is connected with the liquid discharge port of the syringe pump 103 through a pipeline, and the liquid inlet of the syringe pump 103 is co...

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Abstract

The invention relates to the technical field of verification, and discloses a full-automatic verification / calibration device and method for a water quality online monitoring instrument and with capability of eliminating manual intervention to ensure the authenticity of measurement data. The method comprises the following steps of S1, preparing N standard solutions or to-be-tested water samples with known concentrations; S2, conveying the standard solutions or water samples to a sample cup according to the sequences and volumes set by a program, wherein the sample cup is provided with three liquid level sensors which correspond to a high liquid level, a middle liquid level and a low liquid level respectively and are used for meeting sample preparing requirements for different concentrationsto obtain a test liquid; S3, detecting the test liquid through detection equipment to obtain measurement data of the test liquid; S4, transmitting the measurement data of the test liquid to a verification device through the detection equipment, and utilizing the verification device for sending the data to a data exchange platform through a wireless network; S5, utilizing a mobile terminal APP forautomatically calculating corresponding index numerical values according to the measurement data on the data exchange platform in reference to corresponding verification data, and automatically evaluating whether or not the measurement indexes are qualified.

Description

technical field [0001] The invention relates to the technical field of verification, and more specifically relates to a fully automatic verification / calibration device and method for an online water quality monitoring instrument. Background technique [0002] Water quality on-line monitors are widely used in water quality monitoring of surface water, drinking water and sewage wastewater, as an important basis for water environment evaluation. The performance of monitoring instruments directly affects the monitoring data, and whether the monitoring data is accurate and comparable has become an important factor affecting credibility. In order to ensure the effective traceability of online monitoring instruments, the national metrology department has promulgated a series of verification procedures for traceability and periodic verification of their values ​​to ensure accurate and reliable measurements, such as ammonia nitrogen, total phosphorus, chemical oxygen demand (COD), he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/18G08C17/02
CPCG01N33/18G08C17/02
Inventor 柯慧贤罗荷洲卓静沈丽松
Owner XIAMEN STANDARDS SCI INSTR
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