Corn plant type measurement and ventilation simulation device for compact planting resistance breeding
By designing a plant type measurement and ventilation simulation device for maize high-density planting breeding, the problem of performance comparison measurement of plant type and planting density of different maize varieties was solved, and scientific guidance for maize breeding work was realized.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN YONGYOU SEED TECH CO LTD
- Filing Date
- 2025-06-24
- Publication Date
- 2026-07-21
AI Technical Summary
The lack of a simulation device capable of comparing and measuring the plant type tolerance and lodging resistance of different maize varieties makes it inconvenient to cultivate plant types for maize high-density planting.
A plant type measurement and ventilation simulation device for maize high-density planting breeding was designed. It includes multiple simulation chambers, air ducts, fans, gas detectors and cameras. The fans and air ducts simulate the ventilation environment, and the lodging of maize is observed by gas detection and cameras, so as to realize the performance measurement of plant type and planting density of different varieties.
This study enabled effective comparative measurements of the plant type and planting density tolerance and lodging resistance of different maize varieties, providing scientific guidance for maize breeding work.
Smart Images

Figure CN224521885U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of measurement and simulation technology in maize breeding, specifically a plant type measurement and ventilation simulation device for maize dense planting tolerance breeding. Background Technology
[0002] Breeding is a technology that cultivates superior new varieties of plants and animals by creating genetic variations and improving genetic characteristics. Based on genetics, it integrates knowledge from multiple disciplines such as ecology, physiology, biochemistry, pathology, and biostatistics, and is of great significance to the development of animal husbandry and crop cultivation. Maize is one of the most widely cultivated crops in my country. In the process of maize breeding, it is necessary to measure maize in a specific simulated environment to obtain parameters that guide subsequent maize cultivation work. Currently, there is a lack of simulation devices capable of comparing and measuring the plant type tolerance and lodging resistance of different maize varieties, which hinders the development of plant types suitable for high-density planting.
[0003] Therefore, we proposed a plant type measurement and ventilation simulation device for maize high-density planting breeding to solve the problems mentioned above. Utility Model Content
[0004] The purpose of this invention is to solve the problem that there is currently a lack of simulation devices that can compare and measure the plant type tolerance and lodging resistance of different maize varieties, which is inconvenient for the breeding of maize plant types for high-density planting.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a plant type measurement and ventilation simulation device for maize dense planting breeding, comprising: a device platform, wherein multiple simulation chambers are provided on the device platform;
[0006] Multiple incubation sites are set up in multiple simulation chambers;
[0007] Multiple air ducts are installed in multiple simulation chambers, and each air duct is equipped with an air outlet.
[0008] A fan is installed on the device platform, and a first flexible hose is installed between each of the multiple air guide pipes and the fan;
[0009] Multiple gas detectors and cameras are installed in multiple simulation chambers.
[0010] Furthermore, each of the simulation chambers is equipped with a threaded rod, and a lifting plate is threadedly connected to the threaded rod. The lifting plate is connected to the air guide pipe. A limit rod is provided in each simulation chamber, and a limit hole is provided on the lifting plate to slide with the limit rod. A device cavity is provided in the device platform, and a drive motor is provided in the device cavity. A first gear is provided at one end of the output shaft of the drive motor, and a second gear is provided at the bottom end of the threaded rod. The second gear meshes with the first gear.
[0011] Furthermore, the cultivation base includes a cultivation frame, a partition plate is fixed inside the cultivation frame, a plurality of evenly distributed ventilation holes are provided on the partition plate, a placement groove is provided on the top of the cultivation frame, a dense planting plate is placed in the placement groove, a plurality of evenly distributed cultivation holes are provided on the dense planting plate, and a plurality of water passage holes are provided around the bottom of the cultivation frame surface.
[0012] Furthermore, each of the simulation chambers is equipped with a lighting fixture on its inner top wall.
[0013] Furthermore, a support is provided on the device platform, the fan is mounted on the support, and a water pump is provided on the support. Liquid guide pipes are provided near the top of each of the multiple simulation chambers. Multiple evenly distributed branch pipes are provided on the liquid guide pipes. Water outlet holes are opened on the branch pipes, and a connecting column is provided between the branch pipes and the top wall of the simulation chamber. Second hoses are provided on each of the multiple liquid guide pipes. Multiple second hoses are connected to the output end of the water pump, and a third hose is connected to the input end of the water pump.
[0014] Furthermore, the device cavity is provided with an annular tube, and the annular tube is provided with a plurality of first drain pipes, which are respectively connected to a plurality of simulation chambers. The annular ring is provided with a second drain pipe.
[0015] Furthermore, the simulated chamber is equipped with a door on its side.
[0016] The beneficial effects of this utility model are as follows: By setting multiple simulation chambers on the device platform, setting a cultivation seat in the simulation chamber, setting an air guide pipe in the simulation chamber, setting an air outlet on the air guide pipe, setting a fan on the device platform, setting a first flexible hose between the air guide pipe and the fan, and setting a gas detector and a camera in the simulation chamber, a ventilation environment can be simulated in the simulation chamber through the cooperation of the fan, the first flexible hose, the air guide pipe and the air outlet. A dense planting plate is placed in the placement slot on the top of the cultivation seat, and multiple evenly distributed cultivation holes are opened on the dense planting plate, which can be used to compare and measure the tolerance to dense planting and lodging resistance of different corn varieties with different plant types and different planting densities. Attached Figure Description
[0017] Figure 1This is a schematic diagram of the structure of the corn dense planting breeding plant type measurement and ventilation simulation device of this utility model;
[0018] Figure 2 This is a cross-sectional schematic diagram of the plant type measurement and ventilation simulation device for maize high-density planting breeding of this utility model;
[0019] Figure 3 This is a utility model Figure 2 A magnified schematic diagram of the local structure A;
[0020] Figure 4 This is a partial structural schematic diagram of the corn dense planting breeding plant type measurement and ventilation simulation device of this utility model.
[0021] The names corresponding to each mark in the diagram:
[0022] 1. Device platform; 2. Simulation chamber; 3. Cultivation seat; 31. Cultivation frame; 311. Water passage hole; 32. Divider plate; 33. Dense planting plate; 331. Cultivation hole; 4. Air guide pipe; 5. Air outlet; 6. Fan; 7. First flexible hose; 8. Gas detector; 9. Camera; 10. Threaded rod; 11. Lifting plate; 12. Limiting rod; 13. Device cavity; 14. Drive motor; 15. First gear; 16. Second gear; 17. Illuminator; 18. Support; 19. Water pump; 20. Liquid guide pipe; 21. Branch pipe; 22. Connecting column; 23. Second flexible hose; 24. Third flexible hose; 25. Annular pipe; 26. First drain pipe; 27. Second drain pipe; 28. Chamber door; 29. Filter screen. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.
[0024] Embodiments of this utility model:
[0025] like Figures 1-4 As shown, this utility model provides a plant type measurement and ventilation simulation device for maize high-density planting breeding, including a device platform 1, multiple cultivation seats 3, multiple air ducts 4, multiple gas detectors 8 and cameras 9. Multiple simulation chambers 2 are set on the device platform 1. The simulation chambers 2 are provided with chamber doors 28 on their sides. Both the simulation chambers 2 and the chamber doors 28 are made of transparent glass for easy observation. Ventilation openings are provided on the simulation chambers 2, and filters 29 are provided at the ventilation openings. Light lamps 17 are provided on the inner top walls of multiple simulation chambers 2. Through this setting, a light environment is provided for the maize.
[0026] like Figures 1-4 As shown, multiple cultivation seats 3 are respectively set in multiple simulation chambers 2. The cultivation seat 3 includes a cultivation frame 31, a partition plate 32 is fixed inside the cultivation frame 31, and multiple evenly distributed ventilation holes are opened on the partition plate 32. A placement groove is opened on the top of the cultivation frame 31, and a dense planting plate 33 is placed in the placement groove. Multiple evenly distributed cultivation holes 331 are opened on the dense planting plate 33. Multiple water passage holes 311 are opened around the bottom of the surface of the cultivation frame 31. With this setting, cultivation soil can be placed on the partition plate 32 inside the cultivation frame 31, and the planting density of corn can be selected through the cultivation holes 331 on the dense planting plate 33.
[0027] like Figures 1-4 Multiple air ducts 4 are respectively installed in multiple simulation chambers 2. Air outlets 5 are provided on the air ducts 4. A fan 6 is provided on the device platform 1. A first flexible hose 7 is provided between each of the multiple air ducts 4 and the fan 6. By coordinating the fan 6, the first flexible hose 7, the air ducts 4 and the air outlets 5, air can be blown into the corn in the simulation chamber 2 to measure the lodging resistance. Multiple gas detectors 8 and cameras 9 are respectively installed in multiple simulation chambers 2. The gas detectors 8 and cameras 9 are electrically connected to external computer equipment. The gas detectors 8 can detect the gas concentration of corn of different varieties, plant types and planting densities. By comparison, the gas exchange efficiency can be reflected. The lodging of corn can be observed through the cameras 9.
[0028] like Figures 1-4 Each of the multiple simulation chambers 2 is equipped with a threaded rod 10, and a lifting plate 11 is threadedly connected to the threaded rod 10. The lifting plate 11 is connected to the air guide pipe 4. A limit rod 12 is provided in the simulation chamber 2, and a limit hole is opened on the lifting plate 11 to slide with the limit rod 12. A device cavity 13 is provided in the device platform 1, and a drive motor 14 is provided in the device cavity 13. A first gear 15 is provided at one end of the output shaft of the drive motor 14, and a second gear 16 is provided at the bottom end of the threaded rod 10. The second gear 16 meshes with the first gear 15. A sealed bearing adapted to the threaded rod 10 is provided on the simulation chamber 2. With this configuration, the first gear 15 can be rotated by the drive motor 14. With the cooperation of the first gear 15 and the second gear 16, the second gear 16 drives the threaded rod 10 to rotate. With the threaded engagement, the lifting plate 11 drives the air guide pipe 4 and the air outlet 5 to move up and down, thereby discharging air at different heights.
[0029] like Figures 1-4A support frame 18 is installed on the device platform 1, and a fan 6 is mounted on the support frame 18. A water pump 19 is also installed on the support frame 18. Liquid guide pipes 20 are installed near the top of each of the multiple simulation chambers 2. Multiple evenly distributed branch pipes 21 are installed on each liquid guide pipe 20. Water outlets are opened on each branch pipe 21, and a connecting column 22 is installed between each branch pipe 21 and the top wall of the simulation chamber 2. Second flexible hoses 23 are installed on each of the multiple liquid guide pipes 20, and each of the second flexible hoses 23 is connected to the output end of the water pump 19. A third flexible hose 24 is connected to the input end of the water pump 19, and the third flexible hose 24 is connected to an external water tank. The device is connected to a ring-shaped pipe 25 inside the cavity 13. Multiple first drain pipes 26 are installed on the ring-shaped pipe 25, and the multiple first drain pipes 26 are respectively connected to multiple simulation chambers 2. A second drain pipe 27 is installed on the ring. With this configuration, water can be drawn from the external water tank through the water pump 19 and the third hose 24, and introduced into the liquid guide pipe 20 through the second hose 23. Then, the water is sprayed out through the water outlet of the branch pipe 21 to supply water for the cultivation of corn. Excess water in the simulation chamber 2 will enter the ring through the first drain pipe 26 and then be discharged through the second drain pipe 27.
Claims
1. A device for measuring plant type and simulating ventilation in maize high-density planting breeding, characterized in that, include: A device platform (1) is provided with multiple simulation chambers (2); Multiple incubation chambers (3) are set up in multiple simulation chambers (2); Multiple air ducts (4) are respectively installed in multiple simulation chambers (2), and air outlets (5) are provided on the air ducts (4); A fan (6) is provided on the device platform (1), and a first flexible hose (7) is provided between each of the multiple air guide pipes (4) and the fan (6); Multiple gas detectors (8) and cameras (9) are installed in multiple simulation chambers (2).
2. The plant type measurement and ventilation simulation device for maize high-density planting breeding according to claim 1, characterized in that: Each of the simulation chambers (2) is provided with a threaded rod (10), and a lifting plate (11) is threadedly connected to the threaded rod (10). The lifting plate (11) is connected to the air duct (4). A limit rod (12) is provided in each simulation chamber (2). A limit hole is provided on the lifting plate (11) that is slidably connected to the limit rod (12). A device cavity (13) is provided in the device platform (1). A drive motor (14) is provided in the device cavity (13). A first gear (15) is provided at one end of the output shaft of the drive motor (14). A second gear (16) is provided at the bottom end of the threaded rod (10). The second gear (16) meshes with the first gear (15).
3. The plant type measurement and ventilation simulation device for maize high-density planting breeding according to claim 1, characterized in that: The cultivation base (3) includes a cultivation frame (31), a partition plate (32) is fixed inside the cultivation frame (31), a plurality of evenly distributed ventilation holes are provided on the partition plate (32), a placement groove is provided on the top of the cultivation frame (31), a dense planting plate (33) is placed in the placement groove, a plurality of evenly distributed cultivation holes (331) are provided on the dense planting plate (33), and a plurality of water passage holes (311) are provided around the bottom of the surface of the cultivation frame (31).
4. The plant type measurement and ventilation simulation device for maize high-density planting breeding according to claim 1, characterized in that: Each of the simulation chambers (2) is equipped with a light lamp (17) on its inner top wall.
5. The plant type measurement and ventilation simulation device for maize high-density planting breeding according to claim 1, characterized in that: A bracket (18) is provided on the device platform (1), the fan (6) is installed on the bracket (18), and a water pump (19) is provided on the bracket (18). Liquid guide pipes (20) are provided near the top of each of the multiple simulation chambers (2). Multiple evenly distributed branch pipes (21) are provided on the liquid guide pipes (20). Water outlet holes are opened on the branch pipes (21), and a connecting column (22) is provided between the branch pipes (21) and the top wall of the simulation chamber (2). Second hoses (23) are provided on each of the multiple liquid guide pipes (20). Multiple second hoses (23) are connected to the output end of the water pump (19). A third hose (24) is connected to the input end of the water pump (19).
6. The plant type measurement and ventilation simulation device for maize high-density planting breeding according to claim 2, characterized in that: The device cavity (13) is provided with an annular pipe (25), and a plurality of first drain pipes (26) are provided on the annular pipe (25). The plurality of first drain pipes (26) are respectively connected to a plurality of simulation chambers (2). A second drain pipe (27) is provided on the annular pipe.
7. The plant type measurement and ventilation simulation device for maize high-density planting breeding according to claim 1, characterized in that: The simulation chamber (2) has a door (28) on its side.