Extensible distributed multi-leaf chamber open path photosynthetic measurement system and method

The distributed multi-leaf chamber open pathway photosynthesis measurement system realizes high-precision and fast-response parallel measurement of multi-leaf chambers, solving the problems of slow response speed and high cost in existing technologies, and is suitable for high-throughput plant phenomics research.

CN122084829APending Publication Date: 2026-05-26YANGZHOU UNIV
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Patent Information

Application Number
CN202610074776.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-20
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing photosynthesis measurement technologies suffer from slow response speed, long measurement cycle, low accuracy, and high cost, making it difficult to meet the needs of high-throughput, multi-genotype, and multi-environmental treatment plant phenomics research.

Method used

A distributed multi-leaf chamber open-path photosynthesis measurement system is adopted. Through centralized gas control and analysis of the main unit, distributed environmental control of the leaf chambers, and multi-channel automatic polling switching, parallel measurement of multiple leaf chambers is realized. Combined with wireless communication and remote monitoring, the system cost is reduced and the measurement efficiency is improved.

Benefits of technology

It achieves high-precision, fast-response multi-leaf chamber parallel measurement, significantly reduces measurement costs, enhances the adaptability and reliability of in-situ field measurements, improves the automation of the measurement process and the efficiency of data management, and optimizes engineering design and measurement stability.

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Abstract

The invention discloses an extensible distributed multi-leaf chamber open passage photosynthetic measurement system and method, and relates to the technical field of plant physiological ecological measurement, and the system comprises a host and at least two distributed leaf chambers. The main machine is in centralized charge of gas supply, concentration mixing, flow control and high-precision concentration differential analysis. Each leaf chamber is an independent unit and is provided with an adjustable LED light source, a thermoelectric temperature control module, a multi-type sensor, an independent power supply and a wireless communication module. And an open passage is formed by the air supply pipeline and the return pipeline. The core of the method is that the host performs polling sampling on return gas of each leaf chamber through a multi-path automatic switching valve group according to a preset program, and high-precision and high-flux parallel measurement of the multiple leaf chambers is realized by combining a'washing stabilization 'strategy and utilizing a single gas analysis unit. According to the invention, the problems of low flux and high cost of a traditional open channel instrument are solved, the unification of high precision and high flux is realized, and field in-situ deployment and remote monitoring are supported.
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