Portable intelligent plant physiological state detection system and method
A physiological state, portable technology, used in material excitation analysis, fluorescence/phosphorescence, etc., can solve the problems of inability to meet measurement requirements, poor excitation light uniformity, weak excitation light intensity, etc., to achieve simple structure, improved contrast, The effect of increasing contrast
Active Publication Date: 2018-07-31
ZHEJIANG UNIV
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Problems solved by technology
However, because the uniform illumination area is limited to a specific illumination distance, the uniformity of the excitation light becomes worse after leaving this distance, and due to the divergence characteristics of the light source, the excitation light intensity becomes weaker after the distance increases, which cannot meet the measurement requirements
For the whole plant, due to the different heights of different leaves, it is impossible to measure these leaves at the same time
Method used
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[0035] like figure 1 As shown, a portable intelligent plant physiological state detection system includes: an illumination module 1, a communication and control module 2, a bracket 3, a zoom lens 4, a CCD industrial camera 5, and a handle 6.
[0036] The bracket 3 is to realize the fixation of the lighting module 1, the communication and control module 2, the zoom lens 4 and the CCD industrial camera 5, and assemble a plurality of components into an integrated structure, which is convenient to carry; the handle 6 is convenient for the user to detect and is used for The grip of the human hand.
[0037] like figure 2 Shown is a schematic diagram of a lighting module 1 . The module is composed of an optimally arranged LED array 7 , an optimally designed multi-layer dielectric optical film, and a cube box 8 . LED is embedded in the top surface A1B1C1D1 inner wall of box 8, and the top surface A1B1C1D of box 8 is provided with a circular hole identical with zoom lens 4 outer ap...
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Abstract
The invention discloses a portable intelligent plant physiological state detection system and method. The system includes a lighting module and a camera unit for collecting fluorescence images of the plants to be tested. The lighting module includes: an LED array that provides excitation light illumination and a setting For the optical film on the light-emitting side of the LED array, the reflectance of the optical film to be tested for plant fluorescence is less than 5%, and the reflectance of the optical film to the LED light is greater than 95%. The invention enables users to carry out chlorophyll fluorescence detection on plants in the field, and to process and analyze the measured fluorescence images in real time, and to match the measurement results with the physiological states of plants in the database of the remote cloud sharing server in real time. And realize the update and machine learning of new samples in the database.
Description
technical field [0001] The invention relates to the field of chlorophyll fluorescence detection, in particular to a method and system device capable of carrying out plant chlorophyll fluorescence detection under field conditions and realizing intelligent real-time data analysis. Background technique [0002] Photosynthesis is one of the most important chemical reactions on the earth. It uses sunlight to split water to release most of the oxygen needed on the earth, and at the same time fixes carbon dioxide in the atmosphere to provide glucose for metabolism. In the light reaction process of photosynthesis, the absorbed light energy is transferred. In the process of converting into electrical energy, part of the light energy loss is released in the form of longer-wavelength fluorescence. Under natural conditions, chlorophyll fluorescence has a very close relationship with photosynthesis. Many changes in the photosynthesis process can be reflected by chlorophyll fluorescence....
Claims
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IPC IPC(8): G01N21/64
Inventor 卞殷旭王恒李海峰刘旭徐良郭添翼张诗雨
Owner ZHEJIANG UNIV