Layered soil simulation device for agricultural seed variety test
The design of the limiting mechanism and the spraying mechanism solved the problem of container tipping, ensured the stability of the experimental container, and enabled the accuracy of experimental results and the function of soil moisture control experiment.
Patent Information
- Application Number
- CN202422846679.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-11-21
AI Technical Summary
In long-term experiments, existing stratified soil simulation devices are prone to tipping over and shifting due to the lack of limiting devices, which affects the experimental results.
The system is designed with a limiting mechanism, including forward and reverse toothed ball screws and sliders, which fix the container by clamping a metal strip. Combined with a spraying mechanism, it automatically replenishes water when the humidity is low. The entire system is controlled by a main control panel.
It effectively prevents containers from tipping over, increases equipment applicability, ensures the accuracy of experimental results, and enables control experiments on the effects of soil moisture on seedlings.
Smart Images

Figure CN223501003U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of stratified soil simulation equipment, and in particular to a stratified soil simulation device for agricultural seed variety testing. Background Technology
[0002] The purpose of a stratified soil simulation device is to realistically simulate different soil layers and environmental conditions in a laboratory setting, so as to conduct research experiments on seed growth under different soil conditions. The device is usually designed with multiple stratified areas, each of which can hold soil of different textures and compositions. For example, the top layer may be a lighter, more permeable topsoil to simulate the soil environment that seeds come into contact with in the natural environment; the lower layers may be denser soil layers with different nutrient contents to simulate the growth environment of seed roots at different soil depths. Through this stratified design, the stratified structure of natural soil can be simulated relatively accurately.
[0003] When conducting experiments, it is usually necessary to select and change containers of different sizes and models according to different experimental requirements in order to achieve the purpose of comparative experiments. However, the existing equipment is mostly equipped with shelves. Due to the long experimental cycle, when the containers are placed on the shelves, the lack of limiting devices makes it easy for the staff to tilt and shift the containers when they open the equipment to observe and take samples, thus affecting the experimental results. Utility Model Content
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A stratified soil simulation device for agricultural seed variety testing includes a simulation cabinet for stratified soil simulation in agricultural seed variety testing. A sealed door is rotatably installed on one side of the simulation cabinet. Multiple storage frames are fixedly installed on the inner side of the simulation cabinet. Each of the multiple storage frames is equipped with a limiting mechanism. Multiple test containers are placed on the multiple storage frames. The multiple limiting mechanisms clamp and limit the corresponding test containers. Spraying bases are fixedly installed on the multiple storage frames. Spraying mechanisms are provided on the multiple spraying bases.
[0006] Specifically, a main control panel is fixedly installed on one side of the simulation cabinet.
[0007] Specifically, multiple fluorescent lights are fixedly installed on the inside of the simulation cabinet, and a temperature and humidity sensor is fixedly installed on one inner wall of the simulation cabinet.
[0008] Specifically, the limiting mechanism includes two forward and reverse toothed ball screws, two forward sliders and two reverse sliders. The top of the storage frame has two moving slots. The forward and reverse toothed ball screws are rotatably installed on the inner side of the two moving slots. The forward and reverse toothed ball screws are threaded onto the two forward and reverse toothed ball screws. The two forward sliders and the two reverse sliders are slidably installed in the corresponding moving slots.
[0009] Specifically, clamping metal strips are fixedly installed on both sides of the two forward sliders and the two reverse sliders. Multiple clamping metal strips are slidably installed on the inner side of the storage frame. The storage frame has a motor slot inside. A dual-axis servo motor is fixedly installed on the inner wall of one side of the motor slot. The two output shafts of the dual-axis servo motor are respectively connected to the corresponding forward and reverse toothed ball screws, so that the dual-axis servo motor can drive the two forward and reverse toothed ball screws to rotate.
[0010] Specifically, the spraying mechanism includes a spraying pipe, multiple spray heads, and a water supply pipe. The spraying pipe is fixedly installed on the top of the spraying base, and multiple spray heads are fixedly installed on the spraying pipe. A water supply pipe is fixedly installed on one side of the spraying pipe.
[0011] Specifically, a water tank is fixedly installed on one side of the simulation cabinet, a water pump is fixedly installed inside the water tank, a water pump pipe is fixedly installed on the top of the water pump, and one end of multiple water supply pipes is connected to the same water pump pipe.
[0012] Specifically, the temperature and humidity sensor, multiple water pumps, and multiple dual-axis servo motors are all connected to the same main control panel circuit, which facilitates the control of the equipment through the main control panel.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: The layered soil simulation device for agricultural seed variety testing of this utility model can conveniently and quickly limit and clamp experimental containers of different sizes through the setting of the limiting mechanism, preventing them from tipping over and spilling when the staff opens the equipment for observation and sampling, thus increasing the applicability of the equipment. At the same time, the setting of the spraying mechanism can spray liquid or nutrient agent on the soil and experimental seedlings when the moisture content inside the equipment is low. The spraying mechanism can also be used in the control experiment of the effect of soil moisture on seedlings. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of a layered soil simulation device for agricultural seed variety testing proposed in this utility model;
[0015] Figure 2 This is a three-dimensional cross-sectional view of a layered soil simulation device for agricultural seed variety testing proposed in this utility model;
[0016] Figure 3 This is a three-dimensional structural diagram of the spraying mechanism of a layered soil simulation device for agricultural seed variety testing proposed in this utility model;
[0017] Figure 4 This is a three-dimensional structural disassembly diagram of the limiting mechanism of a layered soil simulation device for agricultural seed variety testing proposed in this utility model.
[0018] Figure 5 This is a three-dimensional cross-sectional view of the limiting mechanism of a layered soil simulation device for agricultural seed variety testing proposed in this utility model.
[0019] In the diagram: 1. Simulation cabinet; 2. Sealed door; 3. Main control panel; 4. Fluorescent lamp; 5. Temperature and humidity sensor; 6. Storage frame; 7. Test container; 8. Spray base; 9. Spray pipe; 10. Spray head; 11. Water supply pipe; 12. Pump pipe; 13. Water pump; 14. Water tank; 15. Forward and reverse toothed ball screw; 16. Forward slider; 17. Reverse slider; 18. Dual-axis servo motor; 19. Clamping metal strip; 20. Moving slot. Detailed Implementation
[0020] Reference Figure 1-5 A stratified soil simulation device for agricultural seed variety testing includes a simulation cabinet 1 for stratified soil simulation in agricultural seed variety testing. A sealing door 2 is rotatably installed on one side of the simulation cabinet 1. Multiple storage frames 6 are fixedly installed on the inner side of the simulation cabinet 1. Each of the multiple storage frames 6 is equipped with a limiting mechanism. Multiple test containers 7 are placed on each of the multiple storage frames 6. The multiple limiting mechanisms clamp and limit the corresponding test containers 7. Spraying bases 8 are fixedly installed on each of the multiple storage frames 6. Each of the multiple spraying bases 8 is equipped with a spraying mechanism.
[0021] In this embodiment, a main control panel 3 is fixedly installed on one side of the simulated cabinet 1.
[0022] In this embodiment, multiple fluorescent lamps 4 are fixedly installed on the inner side of the simulated cabinet 1, and a temperature and humidity sensor 5 is fixedly installed on one inner wall of the simulated cabinet 1.
[0023] In this embodiment, the limiting mechanism includes two forward and reverse toothed ball screws 15, two forward sliders 16, and two reverse sliders 17. The top of the storage frame 6 has two moving slots 20. The forward and reverse toothed ball screws 15 are rotatably installed on the inner side of the two moving slots 20. The forward sliders 16 and reverse sliders 17 are threaded on the two forward and reverse toothed ball screws 15. The two forward sliders 16 and the two reverse sliders 17 are slidably installed in the corresponding moving slots 20.
[0024] In this embodiment, clamping metal strips 19 are fixedly installed on both sides of the two forward sliders 16 and the two reverse sliders 17. Multiple clamping metal strips 19 are slidably installed on the inner side of the storage frame 6. The storage frame 6 has a motor slot inside. A dual-axis servo motor 18 is fixedly installed on the inner wall of one side of the motor slot. The two output shafts of the dual-axis servo motor 18 are respectively connected to the corresponding forward and reverse tooth ball screws 15, so that the dual-axis servo motor 18 can drive the two forward and reverse tooth ball screws 15 to rotate.
[0025] In this embodiment, the spraying mechanism includes a spraying pipe 9, multiple spray heads 10 and a water supply pipe 11. The spraying pipe 9 is fixedly installed on the top of the spraying base 8, multiple spray heads 10 are fixedly installed on the spraying pipe 9, and a water supply pipe 11 is fixedly installed on one side of the spraying pipe 9.
[0026] In this embodiment, a water tank 14 is fixedly installed on one side of the simulated cabinet 1, a water pump 13 is fixedly installed on the inner side of the water tank 14, a water pump pipe 12 is fixedly installed on the top of the water pump 13, and one end of multiple water supply pipes 11 is connected to the same water pump pipe 12.
[0027] In this embodiment, the temperature and humidity sensor 5, multiple water pumps 13, and multiple dual-axis servo motors 18 are all connected to the same main control panel 3, facilitating the control of the equipment through the main control panel 3. The control method of the temperature and humidity sensor 5, water pumps 13, and dual-axis servo motors 18 mentioned in this utility model patent is automatic control through the main control panel 3. The main control panel 3 is a PLC controller. The main control panel 3 operates according to a preset program and automatically starts the equipment in some cases. The control circuit of the main control panel 3 can be implemented by simple programming by those skilled in the art and is common knowledge in the field. Therefore, the control method and circuit connection will not be explained in detail.
[0028] Working principle: During the experiment, the staff poured soil of different densities and depths into the test container 7 and buried the same test seeds. Then, the test container 7 was placed on the holding frame 6. Subsequently, the dual-axis servo motor 18 was started through the main control panel 3. The dual-axis servo motor 18 drove two forward and reverse threaded ball screws 15 to rotate. The rotation of the two forward and reverse threaded ball screws 15 drove the corresponding forward slider 16 and reverse slider 17 to move. The forward slider 16 and reverse slider 17 on the same forward and reverse threaded ball screw 15 moved closer to each other. The movement of the forward slider 16 and reverse slider 17 drove the corresponding two clamping metal strips 19 to move closer to each other. The two clamping metal strips 19 on the same side clamped the corresponding test container 7. After placing the test container 7, the staff closes the sealed door 2 to conduct the test. During the test, the staff can observe the internal temperature and humidity through the temperature and humidity sensor 5. When the temperature and humidity sensor 5 detects that the humidity inside the simulation cabinet 1 is low, the temperature and humidity sensor 5 transmits the information to the main control panel 3. The main control panel 3 starts the water pump 13 according to the preset program. The liquid in the water tank 14 of the water pump 13 is transported to multiple water pipes 11 through the pump water pipe 12. Then, multiple spray heads 10 spray the liquid to increase the humidity inside the simulation cabinet 1. During daily tests, multiple fluorescent lights 4 inside the simulation cabinet 1 can provide light for the seedlings, simulate the natural environment, and increase the accuracy of the test.
[0029] The technological advancements of this invention compared to existing technologies are: it can conveniently and quickly limit and clamp test containers 7 of different sizes, preventing them from tipping over and spilling when staff open the equipment for observation and sampling, thus increasing the applicability of the equipment. At the same time, the spraying mechanism can spray liquid or nutrient agents onto the soil and experimental seedlings when the moisture content inside the equipment is low. The spraying mechanism can also be used in control experiments on the effects of soil moisture on seedlings.
Claims
1. A stratified soil simulation device for agricultural seed variety testing, characterized in that, The system includes a simulation cabinet (1) for stratified soil simulation in agricultural seed variety testing. A sealed door (2) is rotatably installed on one side of the simulation cabinet (1). Multiple storage frames (6) are fixedly installed on the inner side of the simulation cabinet (1). Each of the multiple storage frames (6) is equipped with a limiting mechanism. Multiple test containers (7) are placed on each of the multiple storage frames (6). The multiple limiting mechanisms clamp and limit the corresponding test containers (7). Spraying bases (8) are fixedly installed on multiple storage frames (6), and spraying mechanisms are provided on multiple spraying bases (8).
2. The stratified soil simulation device for agricultural seed variety testing according to claim 1, characterized in that, The main control panel (3) is fixedly installed on one side of the simulation cabinet (1).
3. The stratified soil simulation device for agricultural seed variety testing according to claim 2, characterized in that, Multiple fluorescent lamps (4) are fixedly installed on the inner side of the simulation cabinet (1), and a temperature and humidity sensor (5) is fixedly installed on one inner wall of the simulation cabinet (1).
4. The stratified soil simulation device for agricultural seed variety testing according to claim 3, characterized in that, The limiting mechanism includes two forward and reverse toothed ball screws (15), two forward sliders (16) and two reverse sliders (17). The top of the storage frame (6) has two moving slots (20). The forward and reverse toothed ball screws (15) are rotatably installed on the inner side of the two moving slots (20). The forward sliders (16) and reverse sliders (17) are threaded on the two forward and reverse toothed ball screws (15). The two forward sliders (16) and the two reverse sliders (17) are slidably installed in the corresponding moving slots (20).
5. The stratified soil simulation device for agricultural seed variety testing according to claim 4, characterized in that, Two forward sliders (16) and two reverse sliders (17) are fixedly mounted with clamping metal strips (19) on both sides. Multiple clamping metal strips (19) are slidably mounted on the inner side of the storage frame (6). The storage frame (6) has a motor slot inside. A dual-axis servo motor (18) is fixedly mounted on the inner wall of one side of the motor slot. The two output shafts of the dual-axis servo motor (18) are respectively connected to the corresponding forward and reverse toothed ball screws (15).
6. The stratified soil simulation device for agricultural seed variety testing according to claim 5, characterized in that, The spraying mechanism includes a spraying pipe (9), multiple spray heads (10) and a water supply pipe (11). The spraying pipe (9) is fixedly installed on the top of the spraying base (8). Multiple spray heads (10) are fixedly installed on the spraying pipe (9). A water supply pipe (11) is fixedly installed on one side of the spraying pipe (9).
7. The stratified soil simulation device for agricultural seed variety testing according to claim 6, characterized in that, A water tank (14) is fixedly installed on one side of the simulation cabinet (1), a water pump (13) is fixedly installed inside the water tank (14), a water pump pipe (12) is fixedly installed on the top of the water pump (13), and one end of multiple water pipes (11) is connected to the same water pump pipe (12).
8. The stratified soil simulation device for agricultural seed variety testing according to claim 7, characterized in that, The temperature and humidity sensor (5), multiple water pumps (13) and multiple dual-axis servo motors (18) are all connected to the same main control panel (3) circuit.