Optical fiber type full-spectrum water quality sensor optical probe

A technology of water quality sensor and optical probe, applied in the direction of color/spectral characteristic measurement, etc., can solve problems such as complex structure, achieve the effects of simplifying system structure, ensuring consistency, improving stability and practicability

Pending Publication Date: 2021-01-08
北京微芯区块链与边缘计算研究院
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Problems solved by technology

[0005] In view of the above-mentioned technical defects and application requirements, this application proposes an optical probe of a fiber-optic full-spectrum water quality sensor to solve the problem of complex structure existing in the existing full-spectrum water quality sensor

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  • Optical fiber type full-spectrum water quality sensor optical probe

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Embodiment Construction

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of 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 It is a part of embodiments of the present invention, but not all embodiments. 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.

[0019] figure 1 It is a structural schematic diagram of the optical probe of the fiber-optic full-spectrum water quality sensor provided by the embodiment of the present invention, as figure 1 As shown, the fiber-optic full-spectrum water quality sensor optical probe provided by the embodiment of the present invention includes: a light sourc...

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Abstract

The invention relates to the technical field of water quality monitoring equipment, and provides an optical fiber type full-spectrum water quality sensor optical probe. The optical probe comprises a body provided with a blind groove, the body is internally provided with a measurement channel and a reference channel which are arranged in parallel, and the measurement channel penetrates through theblind groove; a collimating lens is arranged at the inlet of the measurement channel, and a coupling lens is arranged at the outlet; the input end of an optical fiber beam splitter is used for receiving light beams provided by a light source; measurement light emitted by a first output end of the optical fiber beam splitter sequentially passes through the collimating lens and the coupling lens andthen enters a first input end of an optical fiber coupler; reference light emitted by a second output end of the optical fiber beam splitter located in the reference channel enters a second input endof the optical fiber coupler; and a light beam emitted by the output end of the optical fiber coupler enters a spectrograph. According to the optical fiber type full-spectrum water quality sensor optical probe, measurement light and reference light are stably output, the consistency of zero calibration is guaranteed, and the stability and practicability of the sensor are improved.

Description

technical field [0001] The invention relates to the technical field of water quality monitoring equipment, in particular to an optical probe of a fiber-optic full-spectrum water quality sensor. Background technique [0002] The full-spectrum water quality online monitoring device can simultaneously monitor various pollutant parameters such as COD, temperature, TOC, BOD, O3, turbidity, organic matter (benzene), nitrate nitrogen, etc., and has not produced secondary pollution emissions, and has been widely used applied to water quality monitoring. [0003] The key technology of the full-spectrum water quality sensor is that a wide-spectrum light source is required to split light according to a certain ratio, so as to ensure the stable and alternating output of the two beams of light intensity, thereby ensuring the accuracy of zero point calibration. At the same time, it is necessary to simplify the structure as much as possible to realize the miniaturization of the system. H...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25
CPCG01N21/25
Inventor 董祥明王宇王顺平索腾飞
Owner 北京微芯区块链与边缘计算研究院
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