Novel high-precision fluorescence-method dissolved oxygen detector
A high-precision technology for dissolved oxygen detection, applied in fluorescence/phosphorescence, material excitation analysis, etc., can solve the problems of high cost and long time, and achieve the effect of simple maintenance, high product accuracy and stability
Inactive Publication Date: 2013-11-20
中山欧麦克仪器设备有限公司
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Problems solved by technology
At present, water quality testing in China must carry out multiple complicated tests in different laboratories to identify and test separately, which is expensive and takes a long time. Therefore, it is necessary to introduce advanced technology to improve the level of detection and treatment.
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[0027] In conjunction with the description of the accompanying drawings, this embodiment is described in detail:
[0028] see Figure 1-3 As shown, the present invention relates to a new type of high-precision fluorescence dissolved oxygen detector, including: a controller 2, including: an input module 21 for inputting dissolved oxygen content data, and a main control module connected to the input module 21 22. The display and key module 23 connected to the main control module 22, the storage module 24 connected to the display and key module 23, the output module 25 connected to the storage module 24, and the output module 25 connected A control module 26, and a power supply module 27 for supplying power to each module; and the sensor 1 detects the dissolved oxygen content in water or air by means of fluorescence quenching, and is connected to the input module through a cable.
[0029] The above-mentioned sensor 1 adopts 4 to 20mA analog current signal to transmit voltage...
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The invention discloses a novel high-precision fluorescence-method dissolved oxygen detector including: a controller including an input module for inputting data of the dissolved oxygen content, a main control module connected with the input module, a display and key module connected with the main control module, a storage module connected with the display and key module, an output module connected with the storage module, a control module connected with the output module, and a power supply module for supplying power for each module in the controller; and a sensor for detecting the dissolved oxygen content in water or air by a fluorescence quenching way and connected with the input module through a cable. By adopting the above technical schemes, the dissolved oxygen detector can realize online continuous measurement of the dissolved oxygen, is guardless, realizes real water quality automatic monitoring, and has the characteristics of small amount of maintenance, Chinese digital output, stable function, high accuracy and the like.
Description
technical field [0001] The invention relates to the field of dissolved oxygen detection, in particular to a novel high-precision fluorescence method dissolved oxygen detector. Background technique [0002] At present, with the improvement of people's living standards, the discharge of urban sewage pollution in our country has caused unpredictable harm to rivers, lakes and seas, and it is urgent to control pollution. Harmful substances that may pollute water bodies include organic and inorganic substances, natural (such as heavy metals) and man-made (such as pesticides), in the form of gas, liquid, suspension, emulsification, dissolution, colloid, etc., with many and complex types. At present, water quality testing in China must carry out multiple complicated tests in different laboratories to identify and test separately, which is costly and time-consuming. Therefore, it is necessary to introduce advanced technology to improve the level of detection and treatment. Contents...
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Inventor 石冰鑫李景云
Owner 中山欧麦克仪器设备有限公司