Online real-time solution concentration detection system
A detection system and solution concentration technology, applied in the direction of color measurement device, color/spectral characteristic measurement, color measurement using color chart, etc., can solve the problems of long training time and long time consumption, and achieve high recognition accuracy and low Low cost and high scalability
Pending Publication Date: 2021-12-17
NANJING LONGYUAN MICROELECTRONICS TECH CO LTD +4
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However, these algorithms usually require a large number of samples for training and learning, and the training time will become longer as the number of samples increases, and the process of obtaining a large number of samples also takes a long time
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[0019] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments.
[0020] Such as figure 1 As shown, an online real-time solution concentration detection system is designed with a TCS3200 color sensor and STM32 single-chip microcomputer to design a system for testing the color of the solution, using a solenoid valve and a peristaltic pump to control the in and out of the solution, and using an air pump to generate air pressure to Ensure that all the liquid in the observation vessel is discharged, the specific steps are as follows:
[0021] Step 1: Use ammonia nitrogen standard solution and distilled water to prepare concentrations of 2mg / L, 3mg / L, 4mg / L, 5mg / L, 6mg / L, 8mg / L, 9mg / L, 10mg / L, 12mg / L, 15mg / L Ten standard concentration points of L; color development of solutions with different concentrations using rapid detection reagents.
[0022] Step 2: If figure 2 As shown, this part is a cassette part of t...
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The invention discloses an online real-time solution concentration detection system, and belongs to the field of digital communication. The method comprises the following steps: 1, a set of system for testing the color of a solution is designed by building a TCS3200 color sensor and an STM32 single chip microcomputer, an electromagnetic valve and a peristaltic pump are used for controlling the inlet and outlet of the solution, and an air pump is used for generating air pressure to ensure that the liquid in an observation vessel is completely discharged; and 2, a set of high-precision colorimetric card belonging to the method is formed according to the measured RGB value, so that the solution concentration can be detected by high-precision colorimetric detection. The method is suitable for field environment index monitoring, pond industrial culture and other application scenes, compared with a chemical spectrophotometer method, the method is high in speed, high in reliability and easy to maintain, and the detection cost is greatly reduced.
Description
technical field [0001] The invention relates to an online real-time solution concentration detection system, which belongs to the field of digital communication. Background technique [0002] In scenarios such as pond industrial farming and field environmental indicator monitoring, it is often necessary to use various color reaction reagents and test papers for qualitative or quantitative detection of solution samples. Traditional solution sample detection mainly relies on manual titration detection, which has low efficiency and accuracy and low reliability. The earliest method of detecting the concentration of a solution is the chemical spectrophotometer method, which is suitable for chemical laboratories, but is expensive and not suitable for large-scale production. In recent years, with the development of machine learning, some scholars at home and abroad have also done a lot of research on impurity detection. Some pattern recognition algorithms and machine learning algo...
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IPC IPC(8): G01N21/25G01N21/78G01J3/52
CPCG01N21/25G01N21/78G01J3/52
Inventor 吴雨桐张军吕太之刘炜张娟徐大专徐钊陈勇梁文龙
Owner NANJING LONGYUAN MICROELECTRONICS TECH CO LTD