Aquatic plant photosynthesis intensity measuring device

By designing a device for photosynthesis intensity measurement of aquatic plants including clamping units, sealing covers and stirring pumps, the problems of inconvenient fixation of plants, inconvenient light source adjustment and low experimental efficiency in the existing devices are solved, and the simplicity of experimental operation and the accuracy of results are achieved.

CN119985861APending Publication Date: 2025-05-13CROP RES INST OF JIANGXI ACAD OF AGRI SCI
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Patent Information

Application Number
CN202510254102.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2025-05-13

AI Technical Summary

Technical Problem

The existing aquatic plants photosynthesis intensity measurement device is not convenient for plant position fixation and adjustment, resulting in plant position movement, affecting the accuracy of experimental results; it is not convenient for aquatic plants to replace, slow down the experiment speed and reduce efficiency; it is impossible to adjust the light source intensity, and cannot simulate the lighting conditions in the real environment, resulting in a deviation from the actual situation.

Method used

A device for measuring the intensity of aquatic plant photosynthesis including a support unit, a clamping unit, a sealing cover and a container is designed. The clamping unit enables plant fixation and position adjustment through threaded rods and lifting plates. The sealing cover is equipped with a light source and color-changing glass, which can adjust the light source intensity to simulate lighting conditions in different environments. Agitating pumps and circulation pumps are used to ensure uniform liquid quality and water temperature regulation.

Benefits of technology

It realizes convenient fixation and position adjustment of aquatic plants, improving the simplicity and efficiency of the experiment; by adjusting the light source intensity, the lighting conditions in the real environment are simulated, and the accuracy and rigor of the experimental results are improved.

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Abstract

The invention discloses an aquatic plant photosynthesis intensity determination device, and relates to the technical field of photosynthesis determination. The aquatic plant photosynthesis intensity measuring device comprises a supporting unit, a clamping unit, a sealing cover and a containing barrel, the clamping unit is located on the inner side of the supporting unit, the sealing cover is located on the inner side of the supporting unit, the containing barrel is located on the inner side of the supporting unit, the clamping unit is used for clamping and fixing a plant, the sealing cover is used for sealing the containing barrel, and the clamping unit is used for clamping and fixing the plant. The sealed containing barrel is used for containing water and plants, and the supporting unit comprises a power box and a supporting column. The aquatic plant photosynthesis intensity measuring device is provided with the sealing cover and comprises the light source and the photochromic glass, the photochromic glass is located below the light source, the irradiation intensity of the light source on the plants in an experiment is changed by adjusting the color depth of the photochromic glass, the light effect in different environments is simulated, the experiment environment is made to fit the reality, and the experiment efficiency is improved. And the accuracy of experimental results is ensured.
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Description

Technical Field

[0001] The invention relates to the technical field of photosynthesis measurement, in particular to a device for measuring the photosynthesis intensity of an aquatic plant. Background Art

[0002] In recent years, the ecosystems of water bodies such as lakes and rivers have been damaged, suspended matter has increased, and transparency has decreased, affecting the ecological functions and landscape effects of the water bodies. Restoring aquatic plants is an important measure for ecological restoration of damaged water bodies. Therefore, research on aquatic plants has attracted the attention of researchers.

[0003] The existing aquatic plant photosynthesis intensity measuring device is not convenient for fixing and adjusting the position of the plants required for the experiment, which easily causes the position of the plants to move during the experiment, causing damage to the plants and affecting the rigor of the experimental results; it is not convenient to replace the aquatic plants to be measured during the experiment, which slows down the experimental speed and reduces the experimental efficiency; the light source intensity cannot be adjusted, and the transmittance of different water depths and turbid water bodies cannot be simulated, which causes the experimental results to deviate from reality and lead to inaccurate experimental results.

[0004] It is inconvenient to fix and adjust the position of the plants required for the experiment, which may easily cause the plants to move during the experiment, causing damage to the plants and affecting the accuracy of the experimental results; it is inconvenient to replace the aquatic plants to be measured, which slows down the experimental speed and reduces the experimental efficiency; the light source intensity cannot be adjusted, resulting in the inability to simulate the lighting conditions in the real environment, causing the experimental results to deviate from reality and resulting in inaccurate experimental results. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a device for measuring the photosynthesis intensity of an aquatic plant, which solves the problems that it is inconvenient to fix and adjust the position of the plants to be tested, which easily leads to the movement of the plants during the experiment, causing damage to the plants and affecting the accuracy of the experimental results; it is inconvenient to replace the aquatic plants to be measured, which slows down the experimental speed and reduces the experimental efficiency; the intensity of the light source cannot be adjusted, resulting in the inability to simulate the lighting conditions in the real environment, causing the experimental results to deviate from reality, resulting in inaccurate experimental results.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a device for measuring the photosynthesis intensity of an aquatic plant, comprising a support unit, a clamping unit, a sealing cover and a container, wherein the clamping unit is located inside the support unit, the sealing cover is located inside the support unit, the container is located inside the support unit, the clamping unit is used to clamp and fix the plant, the sealing cover is used to seal the container, the sealed container is used to contain water and plants, the support unit comprises a power box and a support column, the support column is located at the bottom of the power box, the support column is fixedly connected to the power box, a heating aluminum platform is fixedly provided at the lower part of the support column, the heating aluminum platform is used to heat the container, and a bottom plate is fixedly provided at the bottom of the support column; The clamping unit includes a power motor and a transmission gear, wherein the transmission gear is fixedly plugged into the output end of the power motor, the power motor is fixed to the top of the power box, the power motor passes through the power box to the inside of the power box, the transmission gear is located inside the power box, the transmission gear is meshedly connected with a linkage gear, and the linkage gear is sleeved on the outside of the threaded rod.

[0007] Preferably, a lifting plate is sleeved on the outer side of the threaded rod, and the threaded rod is used to drive the lifting plate to move up and down. A push rod is provided on the top of the lifting plate, and the push rod is fixed on the top of the lifting plate. The push rod is located on the outer side of the lifting plate, and the push rod is used to lift the sealing cover. A fixing rod is provided on the top of the lifting plate, and the fixing rod is fixedly connected to the lifting plate. A planting clamp is provided on the top of the fixing rod, and the planting clamp is used to clamp the plants measured by the fixing belt.

[0008] Preferably, the sealing cover includes a cover plate and a light source control panel, wherein the light source control panel is located on the top of the cover plate, and is fixedly connected to the cover plate; a light source switch and a light source intensity adjustment key are provided on the light source control panel; fixing blocks are evenly provided on the outside of the cover plate, and a sealing buckle is clamped on the outside of the fixing block, and the sealing buckle is used to fix the connection to the container barrel and achieve the purpose of sealing the container barrel.

[0009] Preferably, a circular groove is provided on the inner side of the cover plate, and a light source is fixedly installed in the circular groove. The light source is used to provide simulated natural light for the determination of photosynthesis intensity of aquatic plants. A photochromic glass is fixedly installed in the circular groove. The photochromic glass can adjust the transparency by electric current, thereby changing the light transmittance of the photochromic glass itself. The photochromic glass changes the light intensity of the light source in the experiment of determining the photosynthesis intensity of aquatic plants by adjusting the light transmittance, so as to simulate the sunlight intensity received by aquatic plants in different water depths or different water turbidity, so as to meet the experimental needs that meet the actual environment.

[0010] Preferably, the container barrel includes a barrel wall and a sealing ring, the sealing ring is located at the top of the barrel wall, an arc groove is opened on the top of the barrel wall, the sealing ring is clamped on the inner side of the arc groove, a clamping platform is provided on the top of the barrel wall, the clamping platform is used to clamp the sealing buckle, and a front panel is fixedly provided on the outside of the barrel wall.

[0011] Preferably, a temperature control panel is provided on the outside of the front panel, and the temperature control panel is used to monitor the temperature in the container during the experiment, and the temperature control panel can adjust and control the temperature in the container. A control panel is fixedly provided on the outside of the front panel, and the control panel is located above the temperature control panel. The control panel collects various data in the container by connecting a sensor, and controls the aquatic plant photosynthesis intensity measuring device.

[0012] Preferably, the container barrel also includes a stirring pump and a circulation pump, the stirring pump is located on the outside of the barrel wall, the output end of the stirring pump is plugged into the barrel wall, and the output end of the stirring pump passes through the barrel wall to the inside of the barrel wall, and an impeller is sleeved on the outside of the output end of the stirring pump, and the impeller is driven by the stirring pump to stir the water in the container barrel.

[0013] Preferably, the circulating pump is arranged on the outside of the barrel wall, and the circulating pump is located between the heating aluminum table and the bottom plate. The circulating pump is connected to a circulating water pipe, both ends of the circulating water pipe are fixedly connected to the barrel wall, and the circulating water pipe is connected to the inner side of the barrel wall. The circulating water pipe is provided with an "S"-shaped part, which is used to increase the circulation distance of the water flow outside the barrel wall to achieve a good cooling effect.

[0014] Preferably, the threaded rod passes through the bottom of the power box, is inserted into the threaded hole, and is movably inserted into the bottom of the container.

[0015] The present invention discloses a device for measuring photosynthesis intensity of aquatic plants, which has the following beneficial effects: a clamping unit is provided, the clamping unit comprises a threaded rod, a lifting plate, a push rod and a planting clamp, the threaded rod is threadedly connected with the lifting plate, and can drive the lifting plate to move up and down, the push rod is arranged on the top of the lifting plate, when the lifting plate rises, the push rod abuts against the sealing cover, and can drive the sealing cover to move up and open the device, so as to facilitate the replacement of experimental plants, and the planting clamp is fixedly connected to the top of the lifting plate, so as to facilitate the fixing of the plants in the experiment; A sealing cover is provided, including a light source and a color-changing glass. The color-changing glass is located below the light source. By adjusting the color depth of the color-changing glass, the irradiation intensity of the light source on the plants in the experiment is changed to simulate the light effects in different environments, so that the experimental environment fits the reality and the accuracy of the experimental results is guaranteed; A stirring pump and a circulating pump are provided. The stirring pump can stir the water in the container during the experiment to ensure uniform liquid quality and achieve uniform oxygen dissolution in the water body, thereby ensuring the accuracy of data recorded on the control panel. The circulating pump can circulate the water in the container. The water is fully cooled through the "S"-shaped circulating water ring arranged on the outside of the barrel wall to quickly adjust the water temperature in the container. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a structural schematic diagram of the support unit of the present invention; Figure 3 It is a structural schematic diagram of the clamping unit of the present invention; Figure 4 It is a structural schematic diagram of the sealing cover of the present invention; Figure 5 It is a schematic diagram of the inner structure of the sealing cover of the present invention; Figure 6 It is a structural schematic diagram of the container of the present invention; Figure 7 It is a schematic diagram of the inner structure of the container barrel of the present invention.

[0018] In the figure: 1. support unit; 11. power box; 12. support column; 13. heating aluminum table; 14. bottom plate; 2. clamping unit; 21. power motor; 22. transmission gear; 23. linkage gear; 24. threaded rod; 25. lifting plate; 251. push rod; 252. fixing rod; 253. planting clamp; 3. sealing cover; 31. cover plate; 311. threaded hole; 32. light source control panel; 321. light source switch; 322. light source intensity adjustment key; 33. sealing buckle; 34. light source; 35. color-changing glass; 4. container; 41. barrel wall; 42. sealing ring; 43. front panel; 431. temperature control panel; 432. control panel; 44. stirring pump; 441. impeller; 45. circulation pump; 451. circulating water pipe. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] The embodiment of the present application provides an aquatic plant photosynthesis intensity measuring device, which solves the problems of being inconvenient to fix and adjust the position of the plants required for the experiment, which easily leads to the movement of the plants during the experiment, causing damage to the plants and affecting the accuracy of the experimental results; it is inconvenient to replace the aquatic plants to be measured, which slows down the experimental speed and reduces the experimental efficiency; the light source intensity cannot be adjusted, resulting in the inability to simulate the lighting conditions in the real environment, causing the experimental results to deviate from the reality, resulting in inaccurate experimental results, thereby achieving the purpose of simple and quick operation of the experimental process and rigorous and accurate experimental results.

[0021] The embodiment of the present invention discloses a device for measuring the photosynthesis intensity of an aquatic plant.

[0022] According to the attached Figure 1-7 As shown, it includes a support unit 1, a clamping unit 2, a sealing cover 3 and a container 4, the clamping unit 2 is located on the inner side of the support unit 1, the sealing cover 3 is located on the inner side of the support unit 1, the container 4 is located on the inner side of the support unit 1, the clamping unit 2 is used to clamp and fix plants, the sealing cover 3 is used to seal the container 4, the sealed container 4 is used to contain water and plants, the support unit 1 includes a power box 11 and a support column 12, the support column 12 is located at the bottom of the power box 11, the support column 12 is fixedly connected to the power box 11, a heating aluminum platform 13 is fixedly provided at the lower part of the support column 12, the heating aluminum platform 13 is used to heat the container 4, and a bottom plate 14 is fixedly provided at the bottom of the support column 12; The clamping unit 2 includes a power motor 21 and a transmission gear 22. The transmission gear 22 is fixedly plugged into the output end of the power motor 21. The power motor 21 is fixed on the top of the power box 11. The power motor 21 passes through the power box 11 to the inside of the power box 11. The transmission gear 22 is located on the inside of the power box 11. The transmission gear 22 is meshed with a linkage gear 23. The linkage gear 23 is sleeved on the outside of the threaded rod 24. The transmission gear 22 is meshed with two sets of linkage gears 23 at the same time, which is convenient for driving the two sets of threaded rods 24 at the same time, so that the lifting plate 25 can be lifted and lowered smoothly.

[0023] A clamping unit 2 is provided, and the clamping unit 2 includes a threaded rod 24, a lifting plate 25, a push rod 251 and a planting clamp 252. The threaded rod 24 is threadedly connected to the lifting plate 25, and can drive the lifting plate 25 to move up and down. The push rod 251 is arranged on the top of the lifting plate 25. When the lifting plate 25 rises, the push rod 251 abuts against the sealing cover 3, and can drive the sealing cover 3 to move up and open the device, so as to facilitate the replacement of experimental plants. The planting clamp 252 is fixedly connected to the top of the lifting plate 25, so as to facilitate the fixing of the plants in the experiment. A sealing cover 3 is provided, including a light source 34 and a color-changing glass 35. The color-changing glass 35 is located below the light source 34, and the color-changing glass 35 is adjusted The illumination intensity of the light source 34 on the plants in the experiment is changed by adjusting the color depth of the photochromic glass 35, so as to simulate the light effects in different environments, make the experimental environment fit the reality, and ensure the accuracy of the experimental results; a stirring pump 44 and a circulating pump 45 are provided. The stirring pump 44 can stir the water in the container 4 during the experiment to ensure that the liquid quality is uniform, achieve the effect of uniform oxygen dissolution in the water body, and ensure the accuracy of the data recorded by the control panel 432. The circulating pump 45 can circulate the water in the container 4, and the water is fully cooled by the "S"-shaped circulating water pipe 451 arranged on the outside of the barrel wall to achieve the effect of quickly adjusting the water temperature in the container 4.

[0024] Furthermore, a lifting plate 25 is sleeved on the outer side of the threaded rod 24, and the threaded rod 24 is used to drive the lifting plate 25 to move up and down. A push rod 251 is arranged on the top of the lifting plate 25, and the push rod 251 is fixed on the top of the lifting plate 25. The push rod 251 is located on the outer side of the lifting plate 25, and the push rod 251 is used to lift the sealing cover 3. A fixing rod 252 is arranged on the top of the lifting plate 25, and the fixing rod 252 is fixedly connected to the lifting plate 25. A planting clamp 253 is arranged on the top of the fixing rod 252, and the planting clamp 253 is used to clamp the plants measured by the fixing belt.

[0025] Furthermore, the sealing cover 3 includes a cover plate 31 and a light source control panel 32. The light source control panel 32 is located on the top of the cover plate 31 and is fixedly connected to the cover plate 31. A light source switch 321 and a light source intensity adjustment key 322 are provided on the light source control panel 32. Fixed blocks are evenly provided on the outside of the cover plate 31. Sealing buckles 33 are clamped on the outside of the fixing blocks. The sealing buckles 33 are used to fix the connection to the container barrel 4 and achieve the purpose of sealing the container barrel 4.

[0026] It is particularly disclosed that a circular groove is opened on the inner side of the cover plate 31, and a light source 34 is fixedly arranged in the circular groove. The light source 34 is used to provide simulated natural light for the determination of the photosynthesis intensity of aquatic plants. A photochromic glass 35 is fixedly arranged in the circular groove. The photochromic glass 35 can adjust the transparency through electric current, thereby changing the light transmittance of the photochromic glass 35 itself. The photochromic glass 35 changes the light intensity of the light source 34 in the experiment of determining the photosynthesis intensity of aquatic plants by adjusting the light transmittance, so as to simulate the sunlight intensity received by aquatic plants in different water depths or different water turbidity, so as to meet the experimental needs that meet the actual environment.

[0027] It is particularly disclosed that the container barrel 4 includes a barrel wall 41 and a sealing ring 42. The sealing ring 42 is located at the top of the barrel wall 41. A circular arc groove is opened at the top of the barrel wall 41. The sealing ring 42 is clamped on the inner side of the circular arc groove. A clamping platform is provided on the top of the barrel wall 41. The clamping platform is used to clamp the sealing buckle 33. A front panel 43 is fixedly provided on the outer side of the barrel wall 41.

[0028] It is particularly disclosed that a temperature control panel 431 is arranged on the outside of the front panel 43, and the temperature control panel 431 is used to monitor the temperature in the container 4 during the experiment, and the temperature control panel 431 can adjust and control the temperature in the container 4, and a control panel 432 is fixedly arranged on the outside of the front panel 43, and the control panel 432 is located above the temperature control panel 431. The control panel 432 collects various data in the container 4 by connecting a sensor, and controls the aquatic plant photosynthesis intensity measuring device.

[0029] It should be particularly emphasized that the container 4 also includes a stirring pump 44 and a circulation pump 45. The stirring pump 44 is located on the outside of the barrel wall 41. The output end of the stirring pump 44 is plugged into the barrel wall 41, and the output end of the stirring pump 44 passes through the barrel wall 41 to the inside of the barrel wall 41. The outer side of the output end of the stirring pump 44 is sleeved with an impeller 441, and the impeller 441 is driven by the stirring pump 44 to stir the water in the container 4.

[0030] It should be particularly emphasized that the circulation pump 45 is arranged on the outside of the barrel wall 41, and the circulation pump 45 is located between the heating aluminum platform 13 and the bottom plate 14. The circulation pump 45 is connected to a circulation water pipe 451. Both ends of the circulation water pipe 451 are fixedly connected to the barrel wall 41, and the circulation water pipe 451 is connected to the inner side of the barrel wall 41. The circulation water pipe 451 is provided with an "S"-shaped part for increasing the circulation distance of the water flow outside the barrel wall 41 to achieve a good cooling effect.

[0031] It should be particularly emphasized that the threaded rod 24 passes through the bottom of the power box 11, is inserted into the threaded hole 311, and is movably inserted into the bottom of the container 4.

[0032] Working principle: The device measures plant photosynthesis by measuring the change of dissolved oxygen concentration in water through the control panel 432. During the measurement process, the system monitors and records the changes of various parameters in real time, and transmits the data to the computer for analysis and processing. By analyzing these data, the photosynthesis intensity, respiration intensity and other related physiological indicators of aquatic plants can be obtained.

[0033] First, the clamping unit 2 is controlled through the control panel 432. The power motor 21 drives the transmission gear 22 to drive the linkage gear 23, and then drives the threaded rod 24. The threaded rod 24 passes through the cover plate 31 and is threadedly connected with the lifting plate 25. The threaded rod 24 drives the lifting plate 25 to rise. During the lifting process of the lifting plate 25, the top rod 251 arranged thereon abuts against the cover plate 31, driving the cover plate 31 to move upward, opening the sealing cover 3, and then injecting a sufficient amount of water to meet the experimental requirements into the container 4; Then, the prepared aquatic plants are clamped and fixed by the planting clamp 253, and then the control panel 432 is used to control the threaded rod 24 to drive the lifting plate 25 to descend, so that the aquatic plants to be tested reach the specified position. During the descending process, the cover plate 31 stays on the top of the barrel wall 41, and then the sealing buckle 33 provided on the outer side of the cover plate 31 is clamped to the outer side of the barrel wall 41, and the cover plate is tightly abutted against the sealing ring 42, so that the sealing cover 3 achieves a sealing effect; Then, the light source 34 is started through the light source control panel 32 disposed on the top of the cover plate 31, and the color-changing glass 35 is set so that the light intensity in the container 4 meets the experimental requirements, and then the temperature in the container 4 is adjusted through the temperature control panel 431 so that the temperature in the container 4 meets the experimental requirements; Finally, the initial experimental data in the container 4 is recorded through the control panel 432, and the experiment is started. During the experiment, the stirring pump 44 needs to be in the open state to ensure the uniformity of the liquid quality in the container 4 and ensure the accuracy of the data collected by the control panel 432. The control panel 432 records and stores the data during the experiment to facilitate the analysis of the results.

[0034] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A device for measuring photosynthesis intensity of aquatic plants, comprising a support unit (1), a clamping unit (2), a sealing cover (3) and a container (4), wherein the clamping unit (2) is located on the inner side of the support unit (1), the sealing cover (3) is located on the inner side of the support unit (1), the container (4) is located on the inner side of the support unit (1), the clamping unit (2) is used to clamp and fix the plant, the sealing cover (3) is used to seal the container (4), and the sealed container (4) is used to contain water and plants, characterized in that: The support unit (1) comprises a power box (11) and a support column (12); the support column (12) is located at the bottom of the power box (11); the support column (12) is fixedly connected to the power box (11); a heating aluminum platform (13) is fixedly arranged at the bottom of the support column (12); the heating aluminum platform (13) is used to heat the container barrel (4); and a bottom plate (14) is fixedly arranged at the bottom of the support column (12); The clamping unit (2) comprises a power motor (21) and a transmission gear (22), wherein the transmission gear (22) is fixedly plugged into the output end of the power motor (21), the power motor (21) is fixed to the top of the power box (11), the power motor (21) passes through the power box (11) to the inside of the power box (11), the transmission gear (22) is located inside the power box (11), the transmission gear (22) is meshedly connected with a linkage gear (23), and the linkage gear (23) is sleeved on the outside of the threaded rod (24).

2. The device for measuring photosynthesis intensity of aquatic plants according to claim 1, characterized in that: A lifting plate (25) is sleeved on the outer side of the threaded rod (24), the threaded rod (24) is used to drive the lifting plate (25) to move up and down, a push rod (251) is arranged on the top of the lifting plate (25), the push rod (251) is fixed on the top of the lifting plate (25), the push rod (251) is located on the outer side of the lifting plate (25), the push rod (251) is used to lift the sealing cover (3), a fixing rod (252) is arranged on the top of the lifting plate (25), the fixing rod (252) is fixedly connected to the lifting plate (25), a planting clamp (253) is arranged on the top of the fixing rod (252), and the planting clamp (253) is used to clamp and fix the plant to be measured by the belt.

3. The device for measuring photosynthesis intensity of aquatic plants according to claim 1, characterized in that: The sealing cover (3) comprises a cover plate (31) and a light source control panel (32); the light source control panel (32) is located on the top of the cover plate (31); the light source control panel (32) is fixedly connected to the cover plate (31); a light source switch (321) and a light source intensity adjustment key (322) are provided on the light source control panel (32); fixing blocks are evenly arranged on the outside of the cover plate (31); sealing buckles (33) are clamped on the outside of the fixing blocks; the sealing buckles (33) are used to be fixedly connected to the container barrel (4).

4. The device for measuring photosynthesis intensity of aquatic plants according to claim 3, characterized in that: A circular groove is provided on the inner side of the cover plate (31), and a light source (34) is fixedly arranged in the circular groove. The light source (34) is used to provide simulated natural light for the determination of the photosynthesis intensity of aquatic plants. A color-changing glass (35) is fixedly arranged in the circular groove. The color-changing glass (35) can adjust the transparency through electric current, thereby changing the light transmittance of the color-changing glass (35) itself. The color-changing glass (35) changes the light intensity of the light source (34) in the experiment of determining the photosynthesis intensity of aquatic plants by adjusting the light transmittance, so as to simulate the sunlight intensity received by aquatic plants under different water depths or different water turbidity.

5. The device for measuring photosynthesis intensity of aquatic plants according to claim 1, characterized in that: The container barrel (4) comprises a barrel wall (41) and a sealing ring (42), wherein the sealing ring (42) is located at the top of the barrel wall (41), a circular arc groove is provided at the top of the barrel wall (41), the sealing ring (42) is clamped on the inner side of the circular arc groove, a clamping platform is provided at the top of the barrel wall (41), the clamping platform is used to clamp the sealing buckle (33), and a front panel (43) is fixedly provided on the outer side of the barrel wall (41).

6. The device for measuring photosynthesis intensity of aquatic plants according to claim 5, characterized in that: A temperature control panel (431) is arranged outside the front panel (43), and the temperature control panel (431) is used to monitor the temperature in the container (4) during the experiment, and the temperature control panel (431) can adjust and control the temperature in the container (4). A control panel (432) is fixedly arranged outside the front panel (43), and the control panel (432) is located above the temperature control panel (431). The control panel (432) collects various data in the container (4) by connecting a sensor, and controls the aquatic plant photosynthesis intensity measuring device.

7. The device for measuring photosynthesis intensity of aquatic plants according to claim 1, characterized in that: The container barrel (4) further comprises a stirring pump (44) and a circulation pump (45); the stirring pump (44) is located outside the barrel wall (41); an output end of the stirring pump (44) is plugged into the barrel wall (41), and the output end of the stirring pump (44) passes through the barrel wall (41) to the inside of the barrel wall (41); an impeller (441) is sleeved outside the output end of the stirring pump (44); the impeller (441) is driven by the stirring pump (44) to stir the water in the container barrel (4).

8. The device for measuring photosynthesis intensity of aquatic plants according to claim 7, characterized in that: The circulation pump (45) is arranged outside the barrel wall (41), and the circulation pump (45) is located between the heating aluminum platform (13) and the bottom plate (14). The circulation pump (45) is connected to a circulation water pipe (451). Both ends of the circulation water pipe (451) are fixedly connected to the barrel wall (41), and the circulation water pipe (451) is connected to the inner side of the barrel wall (41). The circulation water pipe (451) is provided with an "S"-shaped portion for increasing the circulation stroke of water flow outside the barrel wall (41).

9. The device for measuring photosynthesis intensity of aquatic plants according to claim 1, characterized in that: The threaded rod (24) passes through the bottom of the power box (11), is inserted into the threaded hole (311), and is movably inserted into the bottom of the container barrel (4).

Citation Information

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