Long-optical-path detection pool

An optical path detection and photodetector technology, which is used in measurement devices, material analysis by optical means, instruments, etc. The effect of fragile structure and simple structure

Inactive Publication Date: 2014-10-01
苏州卫水环保科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, its disadvantages are also obvious. The slender cuvette will inevitably make the overall size of the instrument large, and the cuvette is mostly made of glass material with good optical properties, which is fragile and has such a slender shape. , making the colorimetric cell very fragile and fragile, and the t

Method used

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  • Long-optical-path detection pool

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Embodiment Construction

[0021] Specific embodiments of the present invention will be further described in detail below.

[0022] Such as figure 1 As shown, a large optical path detection cell of the present invention includes a tubular colorimetric cell 10 with both ends closed. The colorimetric cell 10 can be designed as a round tube, a square tube or a special-shaped tube as required. One end of the colorimetric cell 10 is provided with a detection light source 12, and the other end is provided with a photodetector 14. The colorimetric cell 10 includes a helical helix 16 .

[0023] In the preferred embodiment of the present invention, both ends of the helical part 16 are connected with straight pipes 18, and a structure in which both ends are not connected with straight pipes 18 or only one end is connected with straight pipes 18 can also be adopted.

[0024] An inlet pipe 20 and an outlet pipe 22 connected to the straight pipes 18 are respectively arranged on the side walls of the two straight p...

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Abstract

The invention discloses a long-optical-path detection pool. The long-optical-path detection pool comprises a tubular colorimetric pool with two opened ends, wherein a detection light source is arranged at one end of the colorimetric pool, and an optical detector is arranged at the other end of the colorimetric pool. The long-optical-path detection pool is characterized in that the colorimetric pool comprises a spiral portion. According to the long-optical-path detection pool adopting a spiral structure, the optical path is greatly increased, the integral size is reduced, and the defect of fragile structure due to the overlong colorimetric pool is overcome. The long-optical-path detection pool has the advantages of simple structure, long optical path, high strength and the like.

Description

[0001] technical field [0002] The invention relates to an optical detection device, especially an optical detection device for fluid detection. Background technique [0003] In the current fluid detection technology in the market, the colorimetric cell is one of the core components, and its structure plays a decisive role in the accuracy of detection performance. Different substances in the fluid absorb light of different wavelengths differently, so the method to detect this substance is to use the detection light that it absorbs most easily to walk a certain distance (that is, the optical path) in the colorimetric cell, and measure the light passing through from the other end. The specific detection light intensity of the colorimetric cell is used to calculate the consumption of the light intensity by the fluid in the colorimetric cell (ie light loss), and then calculate the concentration of this substance in the fluid in the colorimetric cell. When the concentration of ...

Claims

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Application Information

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IPC IPC(8): G01N21/03
Inventor 盛阳
Owner 苏州卫水环保科技有限公司
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