Integrated dissolved oxygen analyzer and method
A dissolved oxygen and analyzer technology, which is applied in the analysis of materials, material analysis by optical means, instruments, etc., can solve the problems of high maintenance cost and unstable measurement performance, and achieves less maintenance workload, rich interfaces, and high precision. high effect
Active Publication Date: 2014-08-06
SOUTHEAST UNIV +1
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Problems solved by technology
[0005] The problem solved by the technology of the present invention is: it can overcome the shortcomings of the existing membrane structure dissolved oxygen meter, such as high maintenance cost and unstable measurement performance.
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[0019] Specific implementation plan
[0020] The technical scheme of the invention will be described in detail below in conjunction with the drawings:
[0021] Such as figure 1 As shown, the design and method of an integrated dissolved oxygen analyzer device is characterized by including the following steps:
[0022] (1) In order to improve the detection accuracy of the dissolved oxygen content in water, the present invention adopts the fluorescence method to measure the dissolved oxygen content in water. Thus, a new dissolved oxygen measurement method that is more accurate and more stable than the traditional measurement method is obtained, which makes up for the shortcomings of the traditional measurement method.
[0023] (2) The probe part is composed of special coatings (containing special fluorescent substances), light signal generating LEDs, lenses, photocouplers, temperature sensors and other devices (such as figure 2 Shown). The blue LED generates blue light under the contro...
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The invention discloses an integrated dissolved oxygen analyzer and a method. The analyzer comprises probe, sensing and control parts. The method provided in the invention comprises the following steps of: submerging the probe part which is provided with an optical device as the main body thereof in water, performing a series of conversion processing and then transmitting an electric signal obtained through conversion to the main body part; and performing the courses of correction, conversion, processing and the like on the signal transmitted from the probe part, and completing communication with the control part. Besides, the sensing part is designed with two acquisition and conversion manners which can be also multiplexed. The integrated dissolved oxygen analyzer has the advantages of small volume, high integration level, low power consumption, low cost, good adaptability to multi-point networking and the like, and also has complete functions and rich interfaces; therefore, the integrated dissolved oxygen analyzer is completely capable of meeting the requirements of dissolved oxygen content and temperature detection in water under complex conditions.
Description
Technical field [0001] The invention relates to a design and method of an integrated dissolved oxygen analyzer device, which can be used for water quality detection and complete the flexible and accurate measurement of the dissolved oxygen content and temperature in the water. Background technique [0002] As an important water quality indicator, dissolved oxygen plays an important role both in water quality evaluation and scientific research. How to accurately, continuously and quickly determine the concentration of dissolved oxygen has always been an important issue in analytical chemistry. Therefore, the method of using chemical theories and methods to detect dissolved oxygen first appeared in the field of chemistry, and such methods are called chemical methods. With the continuous development of other disciplines and technologies, the instrumental method derived from the integration of various disciplines has gradually become a hot spot in the field of dissolved oxygen conce...
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IPC IPC(8): G01N21/17
Inventor 陈熙源黄浩乾徐元刘明初刘丙圣
Owner SOUTHEAST UNIV