Networking monitor for organic matters of fiber-optical communication ultraviolet absorption water
A technology of optical fiber communication and external absorption, applied in the direction of color/spectral characteristic measurement, etc., can solve the problem of low reliability and achieve the effect of enhancing reliability
Inactive Publication Date: 2012-09-12
UNIV OF SHANGHAI FOR SCI & TECH
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Problems solved by technology
[0009] The present invention is aimed at the problem of low reliability of the main unit of the existing structure of the UV instrument placed in water, and proposes a networked monitoring instrument for optical fiber communication ultraviolet absorption of organic matter in water, using optical fiber as the signal transmission mode, adjusting the structure, and underwater probe Small size, high reliability, easy on-site maintenance
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[0019] Such as figure 2 Shown is a schematic block diagram of an embodiment of a networked monitoring instrument for ultraviolet absorption of organic matter in optical fiber communication, including: a light source 221, a corresponding photodetector 223, an absorption pool 222 between the light source and the corresponding photodetector 223, and an optical fiber path The measurement unit consists of a data processing and transmission unit 21 connected with the photodetector 223, and a data control display unit 20 connected with the data processing and transmission unit 21 placed on land.
[0020] Wherein the light source 221 is composed of a light source lamp 2211 and a power supply. The light source lamp 2211 is an ultraviolet light emitting diode or a combination of ultraviolet light emitting diode and visible light emitting diode, or a combination of ultraviolet light emitting diodes with multiple wavelengths. The power supply is a low-voltage working power supply, which...
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The invention provides a networking monitor for organic matters of fiber-optical communication ultraviolet absorption water. The networking monitor comprises a measurement unit, a data processing and transmitting unit, and a data control and display unit. The measurement unit comprises a light source, a photoelectric detector, an absorption cell and a fiber passage, wherein the absorption cell and the fiber passage are located between the light source and the photoelectric detector. The data processing and transmitting unit is connected with the data control and display unit; and the data control and display unit is connected with the photoelectric detector. Signals are transmitted by fibers without being influenced by electromagnetic radiation, the anti-jamming capability is strong, and non-contact, non-destructive and long-distance measurement can be carried out in a severe environment.. Furthermore, the frequency band of the fibers is wide, so that the ultra-high speed measurement can be carried out. The monitor provided by the invention has a simple design and can carry out networking control through an internet.
Description
technical field [0001] The invention relates to an organic matter monitoring device, in particular to a networked monitoring instrument for optical fiber communication ultraviolet absorption of organic matter in water. Background technique [0002] In water quality monitoring, the reliability of the probe's signal transmission in water is a very important indicator. [0003] The realization and development of optical cable transmission have formed several advantages of it. Compared with the rate of 1.54MHZ per second of copper wire, the operating rate of optical fiber network has reached 2.5GB per second. From the perspective of bandwidth, the great advantage is that the optical fiber has a large information capacity, which means that a cable with a small size can be used, and there is no need to update or enhance the signal in the transmission cable in the future. Fiber optic cables have a high impedance to electromagnetic noise such as radio, motor, or other adjacent cab...
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IPC IPC(8): G01N21/33
Inventor 张学典常敏张平姚晨
Owner UNIV OF SHANGHAI FOR SCI & TECH