A closed crop cultivation device for experiments
By designing a closed crop cultivation device with adapter pipe and auxiliary pipe, the problems of temperature increase and poor air circulation caused by long-term light are solved, and the simulation of air circulation and light angle is realized, and the accuracy and authenticity of experimental data are improved.
Patent Information
- Application Number
- CN202421453436.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The existing closed crop cultivation device for experiments can easily lead to an increase in internal temperature and poor air flow under long-term light illumination, and the light lamp is installed and fixed, which cannot simulate the light angle of the sun during different time periods, resulting in deviations in the research data.
An experimental closed crop cultivation device including cover assembly, box assembly and base assembly was designed. The air flowability is achieved through the adapter pipe and auxiliary pipe, and the auxiliary pipe is driven to rotate the auxiliary pipe with a micro motor to realize the switching of the air outlet and the lighting lamp, and simulate the angle of sunlight illumination in different time periods.
It ensures the air flow inside the box, improves the accuracy of the experimental data, and enhances the authenticity of the experiment by simulating the light angles at different time periods.
Smart Images

Figure CN222707142U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of experimental crop cultivation, in particular to a closed crop cultivation device for experiments. Background Art
[0002] The closed crop cultivation device for experiments provides scientists with an ideal experimental platform for conducting long-term, repetitive or controlled plant growth research. By installing various monitoring equipment, it is possible to monitor various parameters such as light intensity, temperature, humidity, and carbon dioxide concentration received by crops.
[0003] At present, most of the existing closed crop cultivation devices for experiments provide light energy to crops through lighting equipment during closed experiments. However, due to long-term lighting, the temperature inside the device is easily increased, and the air circulation inside the box cannot be guaranteed, resulting in inappropriate simulation effects. There are certain deviations in the research data. At the same time, the lighting lamps are fixedly installed, which cannot simulate the problem of adjusting the lighting effects due to the different angles of the sun at different times. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides an experimental closed crop cultivation device, which has the advantages of ensuring the circulation of air inside the box and being able to switch the direction of irradiation according to the different angles of light in different time periods of the sun. This solves the problems that long-term illumination during the current cultivation process easily causes the internal temperature to rise, and the current installation position of the lighting lamp is fixed, and it is impossible to provide different angles of illumination to the crops according to the actual position of the sun in different time periods, resulting in certain deviations in research data.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an experimental closed crop cultivation device, comprising a cover assembly, a box assembly and a base assembly, the cover assembly comprising a device cover, a transfer tube is fixed on the device cover, and an auxiliary tube is movably hinged at the bottom of the device cover, the transfer tube is interconnected with the auxiliary tube, the device cover seals the interface at the top of the box assembly, and the effect of closed crop cultivation is achieved, by conveying gas into the transfer tube, the gas is input into the box assembly through the auxiliary tube, and the effect of extracting the gas inside the box assembly to the outside can be achieved.
[0006] The box assembly includes a box frame movably connected to the bottom of the device cover, a glass panel is fixed to the side of the box frame, the four sides of the box frame are hollow, and each side is installed with a glass panel that matches the internal size. At the same time, the box frame and the glass panel are sealed by sealant, which ensures the sealing of the box assembly while achieving observable cultivation effects.
[0007] The base assembly includes a device bottom plate fixed to the bottom of the box frame, a planting box is fixed on the device bottom plate, a planting pot is movably sleeved in the planting box, and the device bottom plate is used to seal the bottom of the box assembly to prevent internal air from leaking out from the bottom. At the same time, the crops to be cultivated can be planted in the planting pots, which is convenient for taking and transferring.
[0008] When conducting a closed cultivation experiment on crops, the crops to be cultivated are planted in a planting pot, and then water or nutrients required for planting are poured into the planting box, and then the planting pot is placed in the planting box. After the output end of the electric telescopic rod is controlled to drive the connecting rod to be retracted inside, the device cover seals the interface on the top of the box assembly, and the auxiliary light is controlled to light up to simulate sunlight to achieve the closed cultivation effect of crops. At the same time, when the device cover and the interface on the top of the box assembly are closed, the connecting block is plugged into the octagonal button, and the micro motor is controlled to move The output degree of the micro-motor drives the auxiliary tube to rotate 180 degrees clockwise and counterclockwise alternately, so as to switch between the air outlet and the lighting lamp. When the lighting lamp is attached to the side of the rubber plate, the air outlet is exposed inside the box assembly. At this time, the air inlet and outlet device connected to the air inlet interface is controlled to operate, and the air inside the box assembly is first extracted outwardly, and then the gas is transported into the box assembly. When it is necessary to assist in improving the lighting effect, the output end of the micro-motor is controlled to operate again, so that the air outlet is attached to the side of the rubber plate, and the lighting lamp illuminates the cultivated crops.
[0009] As a further improvement of the above solution, a delivery pipe is threadedly connected to the transfer pipe, a central connector is fixed at one end of the delivery pipe, and an air inlet interface is provided on the central connector.
[0010] Through the above technical solution, adapter tubes are installed at the four angular positions on the cover of the device, and each adapter tube is installed with a delivery pipe. The other end of the delivery pipe is connected to the central connector and is interconnected. The air inlet interface is connected to the external air inlet and outlet device. When the air inlet and outlet device is operating, the gas transmission and extraction effects can be achieved, and the gas is transported through the delivery pipe and input or output through the adapter tube.
[0011] As a further improvement of the above solution, an air outlet is opened on the side of the auxiliary pipe, and a lighting lamp is fixed on the side.
[0012] Through the above technical solution, when pumping air, the gas inside the box enters the auxiliary tube through the air outlet, and the gas in the box is pumped outward in the pumping direction. When supplying gas, the gas enters the auxiliary tube and is input into the box from the air outlet.
[0013] As a further improvement of the above solution, a reflector is fixed to the bottom of the device cover, and an auxiliary light is fixed inside the reflector.
[0014] Through the above technical solution, the auxiliary lamp is specifically a lighting lamp dedicated to crop cultivation. When the lighting is started, the reflection effect of the reflector is used to improve the uniformity of the light.
[0015] As a further improvement of the above solution, a connecting block is fixed to the bottom of the auxiliary tube, and a micro motor is fixed in the bottom plate of the device. An octagonal button is fixed to the output end of the micro motor, and the octagonal button is plugged into the connecting block.
[0016] Through the above technical solution, a hole is provided at the bottom of the connecting block which matches the side of the octagonal button. When the device cover and the top interface of the box assembly are closed, the hole at the bottom of the connecting block is inserted into the side of the octagonal button. When the micro motor is operating, its output end drives the octagonal button to rotate, thereby achieving the effect of rotating the auxiliary tube.
[0017] As a further improvement of the above solution, an arc-shaped corner plate is fixed in the box frame, a rubber plate is fixed in the arc-shaped corner plate, and the rubber plate is attached to the side of the auxiliary pipe.
[0018] Through the above technical solution, the diameter of the inner side of the arc-shaped corner plate matches the diameter of the side of the auxiliary tube, and when the auxiliary tube rotates, the effect of alternately shielding the air outlet and the lighting lamp is achieved.
[0019] As a further improvement of the above solution, an electric telescopic rod is fixed on the bottom plate of the device, and a stabilizing hole penetrating the bottom is opened on the box frame, and the electric telescopic rod is movably sleeved in the stabilizing hole.
[0020] Through the above technical solution, the diameter of the side of the electric telescopic rod matches the diameter in the stabilizing hole, thereby increasing the stability of the installation of the device bottom plate and the box frame.
[0021] As a further improvement of the above solution, a connecting rod is fixed to the bottom of the device cover, and the output end of the electric telescopic rod is fixed to one end of the connecting rod.
[0022] Through the above technical solution, when the output end of the electric telescopic rod is telescopically moved, it drives the connecting rod to move at the same time, so that the device cover can close and expand the interface on the top of the box assembly to facilitate the planting, picking up and transferring of the crops cultivated inside.
[0023] As a further improvement of the above solution, the bottom of the reflector corresponds to the top of the planting pot;
[0024] Through the above technical solution, when the auxiliary lamp is illuminating, the reflector plays a role of reflecting the light source, so that the light source can be evenly irradiated on the planted crops.
[0025] As a further improvement of the above solution, a drainage interface is provided on the side of the planting pot.
[0026] Through the above technical solution, the height position of the drainage interface is set according to the actual amount of water required for each crop cultivation, so that excess water in the planting pot is discharged from the drainage interface to avoid the effect of soaking the crop roots.
[0027] Compared with the prior art, the utility model provides a closed crop cultivation device for experiments, which has the following beneficial effects:
[0028] 1. The closed crop cultivation device used in the experiment has an auxiliary tube movably hinged at the bottom of the device cover. The auxiliary tube is interconnected with the transfer tube at the top. At the same time, the transfer tube is connected to the central connector through a delivery pipe, and is connected to an external air pumping device through an air inlet interface to achieve conversion of internal air, ensure air circulation during closed crop cultivation, and further improve the accuracy of experimental data.
[0029] 2. The closed crop cultivation device used in this experiment is operated by a micro motor, so that its output end drives the auxiliary tube to rotate, realizing the switching of ventilation function and lighting function, so that the lighting is irradiated on the side of the crop. By controlling the opening and closing of the lighting in different positions, the effect of the sun's irradiation angle in different time periods is simulated, further improving the authenticity of the experimental simulation of the actual scene. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Figure 1 This is a schematic diagram of the overall external structure of the device of the utility model;
[0031] Figure 2 This is a bottom structural diagram of the cover plate assembly of the utility model;
[0032] Figure 3 This is a schematic diagram of the connection structure between the box assembly and the base assembly of the utility model;
[0033] Figure 4 This is a top view of the structure of the base assembly of the utility model;
[0034] Figure 5 For this utility model Figure 3 Schematic diagram of the structure at point A in the middle.
[0035] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0036] 1. Cover plate assembly; 101. Device cover plate; 102. Adapter tube; 103. Delivery tube; 104. Central connector; 105. Air inlet interface; 106. Auxiliary tube; 107. Air outlet; 108. Lighting lamp; 109. Connecting block; 110. Connecting rod; 111. Reflector; 112. Auxiliary lamp;
[0037] 2. Box assembly; 201. Box frame; 202. Stability hole; 203. Glass panel; 204. Curved corner plate; 205. Rubber plate;
[0038] 3. Base assembly; 301. Installation bottom plate; 302. Electric telescopic rod; 303. Micro motor; 304. Octagonal button; 305. Planting box; 306. Planting pot; 3061. Drainage interface. DETAILED DESCRIPTION
[0039] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Embodiment 1
[0040] See also Figure 1-5As shown, the experimental closed crop cultivation device proposed in this embodiment includes a cover assembly 1, a box assembly 2 and a base assembly 3. The cover assembly 1 includes a device cover 101, on which a transfer tube 102 is fixed, and at the same time, an auxiliary tube 106 is movably hinged at the bottom of the device cover 101. The transfer tube 102 is interconnected with the auxiliary tube 106. The device cover 101 seals the interface at the top of the box assembly 2 to achieve the effect of closed crop cultivation. By conveying gas into the transfer tube 102, the gas is input into the box assembly 2 through the auxiliary tube 106, and at the same time, the effect of extracting the gas inside the box assembly 2 can be achieved. The box assembly 2 includes a box frame 201 movably connected to the bottom of the device cover 101. A glass panel 203 is fixed to the side of the body frame 201. The four sides of the box frame 201 are hollow, and each side is installed with a glass panel 203 that matches the internal size. At the same time, the box frame 201 and the glass panel 203 are sealed by sealant. While realizing the observable cultivation effect, the sealing of the box assembly is guaranteed. The base assembly 3 includes a device bottom plate 301 fixed to the bottom of the box frame 201, and a planting box 305 is fixed on the device bottom plate 301. A planting pot 306 is movably connected in the planting box 305. The device bottom plate 301 is used to seal the bottom of the box assembly 2 to prevent the internal air from seeping out from the bottom. At the same time, the crops to be cultivated can be planted in the planting pot 306, which is convenient for taking and transferring.
[0041] The working principle of the experimental closed crop cultivation device proposed in this embodiment is: when in use, the crops to be cultivated are planted in the planting pot 306, and the water or nutrients required for planting are poured into the planting box 305, and then the planting pot 306 is placed in the planting box 305. After the output end of the electric telescopic rod 302 is controlled to drive the connecting rod 110 to be retracted inside, the device cover 101 seals the interface on the top of the box assembly 2, and the auxiliary light 112 is controlled to light up to simulate sunlight, so as to achieve the closed crop cultivation effect. At the same time, when the device cover 101 and the interface on the top of the box assembly 2 are closed, the connecting block 109 is plugged into the octagonal button 304, and the micro-control is performed. The micro motor 303 is operated so that its output drives the auxiliary tube 106 to rotate 180° clockwise and counterclockwise alternately, so as to switch between the air outlet 107 and the lighting lamp 108. When the lighting lamp 108 is attached to the side of the rubber plate 205, the air outlet 107 is exposed to the outside of the box assembly 2, and the air inlet and outlet device connected to the air inlet interface 105 is controlled in real time to operate, firstly extract the air inside the box assembly 2, and then transport the gas to the inside of the box assembly 2. When it is necessary to assist in improving the lighting effect, the output end of the micro motor 303 is controlled to operate again, so that the air outlet 107 is closely attached to the side of the rubber plate 205, and the lighting lamp 108 can illuminate the cultivated crops. Embodiment 2
[0042] See also Figure 1-5 As shown, the experimental closed crop cultivation device mentioned in this embodiment, on the basis of the first embodiment, also includes: a delivery pipe 103 is threadedly connected to the transfer pipe 102, a central connector 104 is fixed at one end of the delivery pipe 103, an air inlet interface 105 is provided on the central connector 104, an air outlet 107 is provided on the side of the auxiliary pipe 106, and a lighting lamp 108 is fixed on the side, a reflector 111 is fixed at the bottom of the device cover 101, an auxiliary lamp 112 is fixed in the reflector 111, a connecting block 109 is fixed at the bottom of the auxiliary pipe 106, and a micro motor 303 is fixed in the device bottom plate 301, and an octagonal button 303 is fixed at the output end of the micro motor 303. 04, the octagonal button 304 is inserted into the connecting block 109, an arc-shaped corner plate 204 is fixed in the box frame 201, a rubber plate 205 is fixed in the arc-shaped corner plate 204, the rubber plate 205 is fitted on the side of the auxiliary pipe 106, an electric telescopic rod 302 is fixed on the device bottom plate 301, and a stabilizing hole 202 running through the bottom is opened on the box frame 201, the electric telescopic rod 302 is movably sleeved in the stabilizing hole 202, a connecting rod 110 is fixed to the bottom of the device cover 101, the output end of the electric telescopic rod 302 is fixed to one end of the connecting rod 110, the bottom of the reflector 111 corresponds to the top of the planting pot 306, and a drainage interface 3061 is opened on the side of the planting pot 306.
[0043] In this solution, transfer tubes 102 are installed at the four angular positions on the device cover 101, and each transfer tube 102 is installed with a delivery tube 103. The other end of the delivery tube 103 is connected to the central connector 104 and is interconnected. The air inlet interface 105 is connected to the external air inlet and outlet device. When the air inlet and outlet device is in operation, the gas transmission and exhaust effects can be achieved. The gas is transported through the delivery tube 103 and the gas is input or output through the transfer tube 102. When exhausting, the gas inside the box enters the auxiliary tube 106 through the air outlet hole 107, and the gas in the box is exhausted in the direction of exhaustion. The auxiliary lamp 112 is specifically a lighting lamp for crop cultivation. When the lighting is started, the reflective effect of the reflector 111 is used to improve the uniformity of the light. A hole that matches the side of the octagonal button 304 is provided at the bottom of the connecting block 109. When the device cover 101 and the top interface of the box assembly 2 are closed, the hole at the bottom of the connecting block 109 is plugged into the side of the octagonal button 304. When the micro motor 303 is in operation, its output end drives the octagonal button 304 to rotate, thereby causing the auxiliary tube 106 to rotate. In addition, the output end of the micro motor 303 has the function of bidirectional rotation in clockwise and counterclockwise directions. During operation, the output end rotates clockwise and counterclockwise alternately to realize the switching of the gas replacement and lighting functions. The diameter of the inner side of the arc-shaped corner plate 204 coincides with the diameter of the side of the auxiliary tube 106. When the auxiliary tube 106 rotates, the effect of alternately shielding the air outlet 106 and the lighting lamp 108 is realized. The diameter of the side of the electric telescopic rod 302 coincides with the diameter in the stabilizing hole 202, which increases the stability of the installation of the device bottom plate 301 and the box frame 201. The output end of the electric telescopic rod 302 is telescopic. When moving, the connecting rod 110 is driven to move at the same time, so that the device cover 101 can close and open the interface on the top of the box assembly 2 to switch, which is convenient for planting, picking up and transferring the crops cultivated inside. When the auxiliary light 112 is illuminating, the reflector 111 reflects the light source so that the light source can be evenly illuminated on the planted crops. The height position of the drainage interface 3061 is set according to the actual amount of water required for each crop cultivation, so that excess water in the planting pot 306 is discharged from the drainage interface 3061 to avoid soaking the crop roots.
[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A closed crop cultivation device for experiments, comprising a cover assembly, a box assembly and a base assembly, characterized in that: The cover plate assembly comprises a device cover plate, a transfer tube is fixed on the device cover plate, and an auxiliary tube is movably hinged at the bottom of the device cover plate, and the transfer tube is interconnected with the auxiliary tube; The box assembly includes a box frame movably connected to the bottom of the device cover plate, and a glass panel is fixed to the side of the box frame; The base assembly comprises a device bottom plate fixed on the bottom of the box frame, a planting box is fixed on the device bottom plate, and a planting pot is movably sleeved in the planting box.
2. The closed type crop cultivation device for experiments according to claim 1, characterized in that: The transfer tube is threadedly connected with a delivery tube, a central connector is fixed at one end of the delivery tube, and an air inlet interface is provided on the central connector.
3. The closed crop cultivation device for experiments according to claim 1, characterized in that: An air outlet is provided on the side of the auxiliary pipe, and a lighting lamp is fixed on the side.
4. The closed type crop cultivation device for experiments according to claim 1, characterized in that: A reflector is fixed on the bottom of the device cover, and an auxiliary is fixed inside the reflector.
5. The closed type crop cultivation device for experiments according to claim 3, characterized in that: A connecting block is fixed at the bottom of the auxiliary pipe, and a micro motor is fixed in the bottom plate of the device. An octagonal button is fixed at the output end of the micro motor, and the octagonal button is plugged into the connecting block.
6. The closed type crop cultivation device for experiments according to claim 1, characterized in that: An arc-shaped corner plate is fixed inside the box frame, a rubber plate is fixed inside the arc-shaped corner plate, and the rubber plate is attached to the side of the auxiliary pipe.
7. The closed type crop cultivation device for experiments according to claim 5, characterized in that: An electric telescopic rod is fixed on the bottom plate of the device, and a stabilizing hole penetrating the bottom is opened on the box frame, and the electric telescopic rod is movably sleeved in the stabilizing hole.
8. The closed type crop cultivation device for experiments according to claim 4, characterized in that: A connecting rod is fixed at the bottom of the device cover plate, and the output end of the electric telescopic rod is fixed at one end of the connecting rod.
9. The closed type crop cultivation device for experiments according to claim 4, characterized in that: The bottom of the reflector corresponds to the top of the planting pot.
10. The closed type crop cultivation device for experiments according to claim 9, characterized in that: A drainage interface is provided on the side of the planting pot.