Space planting device

Abstract

The invention relates to a space planting device, and relates to the technical field of space plant planting. A space planting device comprises a driving motor, a rotating rod fixedly connected with an output shaft of the driving motor and vertically arranged, a water tank shell located above the driving motor and a rotating disc located above the water tank shell, and the rotating rod sequentially penetrates through the center of the water tank shell and the rotating disc. The rotating rod is fixedly connected with the rotating disc; at least one cultivation container is fixedly arranged on the upper surface of the rotating disc, an intermittent circulating water assembly communicated with the cultivation containers is arranged in the water tank shell, and the rotating rod located in the water tank shell is sleeved with driving discs used for driving water in the water tank shell into the intermittent circulating water assembly at intervals. The lower portion of the driving motor is arranged on a base, and the driving disc is fixed to the base. According to the space planting device, space planting is achieved, and meanwhile oxygen is released to be used by astronauts.

Description

Technical Field

[0001] The invention belongs to the field of space plant cultivation, and in particular relates to a space plant cultivation device. Background Art

[0002] Space farming, also known as space agriculture, is an agricultural field based on aerospace technology that develops and utilizes space environment resources. As early as 1975, the Soviet Union began to explore space agriculture. They tried to grow wheat, onions, oats, peas, cabbage, radish and lettuce in the Salyut space station.

[0003] By producing food directly in space, the need to transport supplies from Earth can be reduced, which can not only reduce dependence on Earth supplies, but also reduce the cost and risk of space exploration missions. In addition, since the oxygen supply on the International Space Station is partially dependent on water electrolysis technology, plants can consume carbon dioxide and release oxygen through photosynthesis. This helps maintain the air quality in the cabin and reduces dependence on external oxygen supplies.

[0004] Since the environment in space is different from that on Earth, objects in space are in a state of weightlessness, and plants and water in space are in a discrete state. It is urgent to find a way to effectively adsorb water to plants so that they can get moisture. Summary of the invention

[0005] We hope to simulate the earth's gravity environment by rotating centrifugal force in the plant grower, destroy the surface tension of water and make the water adhere to the roots of the plants through centrifugal force, thereby providing water to the plants.

[0006] The present application provides a space plant growing device, which adopts the following technical solution: A space planter, comprising: a driving motor, a vertically arranged rotating rod fixedly connected to an output shaft of the driving motor, a water tank housing located above the driving motor, and a rotating disk located above the water tank housing, wherein the rotating rod sequentially passes through the center of the water tank housing and the rotating disk, and the rotating rod and the rotating disk are fixedly connected; At least one cultivation container is fixedly arranged on the upper surface of the rotating disk, an intermittent circulating water component connected to the cultivation container is arranged in the water tank shell, a driving disk for driving water in the water tank shell to the intermittent circulating water component is sleeved on the rotating rod located in the water tank shell, the lower part of the driving motor is arranged on the base, and the driving disk is fixed on the base.

[0007] By adopting the above technical solution, the driving motor is fixed on the base, and the output shaft of the driving motor drives the rotating rod to rotate. The rotating rod drives the rotating disk to rotate, and the rotating disk drives the cultivation container on its surface to rotate, and the cultivation container drives the intermittent circulating water component connected to it to rotate. During the rotation of the intermittent circulating water component, it is intermittently squeezed by the driving disk, and then water is sent to the cultivation container for absorption and use by the hydroponic plants in the cultivation container.

[0008] Since objects are in a weightless state in the space environment, the rotating rod will stir the water in the water tank shell during rotation, thus destroying the surface tension of the water. Under the action of centrifugal force, the water at the roots of the plants in the cultivation container can be adsorbed on the surface of the plants for absorption and use by the plants. During the growth process, the plants can absorb the carbon dioxide exhaled by astronauts through photosynthesis, and at the same time produce oxygen for astronauts to use, and the fruits produced by the plants can be eaten by astronauts.

[0009] Optionally, there are multiple cultivation containers and they are evenly arranged around the rotating rod on the rotating disk, each of the cultivation containers is connected to an intermittent circulating water component, and the driving disk drives the water in the water tank shell into each of the intermittent circulating water components.

[0010] By adopting the above technical solution, multiple cultivation containers are formed into a ring and rotated around the rotating rod, so that the entire circle of cultivation containers can be affected by centrifugal force, and the plants in each cultivation container can absorb water, thereby maximizing the utilization rate of the rotating disk.

[0011] Optionally, the intermittent circulating water assembly includes a water inlet pipe connected to the inner side of the cultivation container and a water outlet pipe connected to the outer side of the cultivation container, and the water inlet end of the water inlet pipe and the water outlet end of the water outlet pipe are both located in the water tank housing; The water inlet pipe is provided with a bubble ball on the pipeline inside the water tank shell. When the driving disk squeezes the bubble ball, water in the water tank shell enters the bubble ball and enters the inner side of the cultivation container through the bubble ball, and flows out from the water outlet pipe outside the cultivation container.

[0012] By adopting the above technical solution, during the rotation of the intermittent circulating water component, the bubble ball located inside is intermittently squeezed by the driving disk. When there is no water in the bubble ball, the driving disk releases the bubble ball, and the water in the water tank shell enters the bubble ball. When there is water in the bubble ball, the water in the bubble ball will be squeezed into the water inlet pipe at its upper end. Driven by centrifugal force, the water in the water inlet pipe flows into the cultivation container and is absorbed by the plants. Part of the water flows from the inside of the cultivation container to the outside and then enters the water outlet pipe and flows out from the water outlet pipe. The driving disk intermittently squeezes the bubble ball, that is, squeezes the bubble ball again after releasing the bubble ball, so that the water can flow into the cultivation container in a reciprocating manner for the plants to absorb and use for growth.

[0013] Optionally, the water inlet pipe includes a horizontal water inlet pipe and a vertical water inlet pipe connected to the water tank housing, both of which are located in the water tank housing, the water bubble ball is located on the vertical water inlet pipe, and a first one-way valve is provided on the vertical water inlet pipe below the water bubble ball; The water outlet pipe includes a vertical water outlet pipe located in the water tank shell, a horizontal pipe is connected between the vertical water outlet pipe and the vertical water inlet pipe, the horizontal pipe is located in the water tank shell, the horizontal pipe is connected to the vertical water inlet pipe and is higher than the bubble ball.

[0014] By adopting the above technical solution, when the intermittent circulating water component rotates, the gas moves along the horizontal tube to the outside of the horizontal tube under the action of centrifugal force, and the water in the water tank shell enters the bubble ball. When the driving disk squeezes the bubble ball, the water in the bubble ball enters the cultivation container. The water entering the cultivation container flows into the outside of the cultivation container and enters the water inlet pipe under the action of centrifugal force.

[0015] Optionally, a piston is provided in the transverse tube, and an end of the piston facing away from the vertical water inlet pipe is connected to a spring, and an end of the spring is fixedly connected to a fixed plate in the transverse tube.

[0016] By adopting the above technical solution, a piston is arranged in the transverse tube, which can be equivalent to a cylinder, and the piston divides the cylinder into two parts. When the transverse tube rotates, the piston moves outward, and the side close to the bubble ball is evacuated into a vacuum. When there is no water in the bubble ball, the water in the water tank shell is helped to flow into the bubble ball. However, when the rotating rod does not rotate, a spring is arranged to help the piston return to its original position. The fixing plate is used for fixing the spring, reducing the spring fixed on the water outlet pipe and causing damage to the water outlet pipe.

[0017] Optionally, the lower portion of the horizontal water inlet pipe and the lower portion of the transverse pipe are both fixedly connected with stirring blades.

[0018] By adopting the above technical solution, the stirring blade rotates with the rotating rod to stir the water in the water tank shell, promoting the rotation of the water so that the water further rotates centrifugally outward.

[0019] Optionally, an elastic cover is provided on the upper part of the cultivation container, a hole is opened in the center of the cover, and absorbent cotton is provided in the cultivation container.

[0020] By adopting the above technical solution, the absorbent cotton can absorb and store water, so that the plants in the cultivation container can continuously absorb water, and the plants can grow through the elastic central opening of the cover body. The elastic cover body can fit the plants and change with the growth of the plants, so as to provide a better seal. Since the spacecraft is also rotating, in order to prevent water leakage, the cover body can seal the water in the cultivation container.

[0021] Optionally, a motor housing is provided on the base, the drive motor is located in the motor housing, and the water tank housing is provided on the motor housing; A cover body is provided around each of the cultivation containers, the cover body is provided on the water tank shell, an air inlet is provided at one end of the cover body, the rotating rod is hollow and has an air inlet pipe, an air outlet pipe is provided on the part of the rotating rod located in the motor shell, and the motor shell is connected to the outside.

[0022] By adopting the above technical solution, the cover body does not rotate with the rotating rod, but is fixed. By setting the cover body, the carbon dioxide exhaled by the astronauts can be collected together for use by the photosynthesis of the plants. The oxygen released by the plants after photosynthesis enters the rotating rod through the air inlet pipe on the rotating rod, and then is discharged through the air outlet pipe on the rotating rod located in the motor housing, and is discharged to the outside by the motor housing for the astronauts to inhale.

[0023] Optionally, a circle of lighting lamps is arranged on the top of the cover body, a generator is arranged at the center of the top of the cover body, four air inlets are arranged evenly around the generator, a fan is arranged on the air inlet, and the generator is used to power the lighting lamps and the fan.

[0024] By adopting the above technical solution, the generator supplies power to the lighting lamp, and the lighting lamp is lit to simulate light and promote plant growth. The generator drives the fan to rotate, and the fan sends carbon dioxide into the cover.

[0025] Optionally, climbing rods are vertically arranged on the rotating disk corresponding to each of the cultivation containers, and a vertical supporting rod is arranged at the lower part of the driving disk, and the lower end of the supporting rod is fixedly connected to the base.

[0026] By adopting the above technical solution and setting a climbing rod, when the plant in the cultivation container is a climbing plant, the plant can climb along the climbing rod. The support rod supports and fixes the driving disk to prevent it from rotating, so that the bubble ball can contact the protrusion of the driving disk during the rotation process, or break away from the protrusion and be located between two protrusions, thereby causing the bubble ball to be crushed or restored to a spherical shape.

[0027] In summary, the present application includes at least one of the following beneficial technical effects: Since objects are in a weightless state in the space environment, plants and water are in a discrete state, and water cannot be well adsorbed on the roots of plants. The intermittent circulation water assembly and the cultivation container are driven to rotate by the rotating rod, and the stirring blades stir the water in the water tank shell. The centrifugal force causes the water to further rotate centrifugally outward, while destroying the water tension, so that the water can be adsorbed on the roots of the plants. The driving disk squeezes or releases the rotating water bubble ball, causing the water bubble ball to be crushed or restored to a spherical shape, so that the water enters the cultivation container for absorption by the plant. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the space planter of the present application; Figure 2 It is a schematic diagram of the structure of the space planter of the present application after the cover is hidden; Figure 3 It is a schematic diagram of the structure of the rotating workbench of the space planter of the present application; Figure 4 This is a schematic diagram showing the structure of the space planter of the present application after the rotating workbench is hidden; Figure 5 This is a cross-sectional view of the space planter of the present application after the cover is hidden; Description of reference numerals: 1. Driving motor; 2. Water tank housing; 3. Rotating plate; 4. Base; 5. Motor housing; 6. Lighting lamp; 7. Generator; 8. Climbing pole; 9. Ground anchor; 10. Rotating rod; 11. Air inlet pipe; 12. Air outlet pipe; 20. Cultivation container; 21. Cover body; 30. Intermittent circulating water assembly; 31. Water inlet pipe; 311. Horizontal water inlet pipe; 312. Vertical water inlet pipe; 313. First one-way valve; 314. Second one-way valve; 315. Third one-way valve; 32. Water outlet pipe; 321. Vertical water outlet pipe; 33. Bubble ball; 34. Horizontal pipe; 341. Piston; 342. Spring; 35. Stirring blade; 40. Drive disk; 41. Support rod; 50. Cover body; 51. Air inlet; 52. Fan; 53. Air outlet pipe; 54. Control panel. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-Figure 5 This application is described in further detail.

[0030] The embodiment of the present application discloses a space plant growing device.

[0031] See also Figure 1 , Figure 2 and Figure 3 , a space planter, comprising a base 4, on which a drive motor 1 is fixedly arranged (see Figure 5 ), the output shaft of the driving motor 1 is fixedly connected to a hollow rotating rod 10 vertically arranged upward, a motor housing 5 is arranged on the base 4, and the driving motor 1 is located in the motor housing 5. A water tank housing 2 is fixed on the motor housing 5, and a rotating disk 3 is fixed above the water tank housing 2. The rotating rod 10 passes through the motor housing 5, the water tank housing 2 and the rotating disk 3 in sequence. The rotating rod 10 is fixedly connected to the rotating disk 3, and the rotating disk 3 rotates with the rotating rod 10.

[0032] The motor housing 5 and the water tank housing 2 do not rotate with the rotating rod 10. Ground anchors 9 for fixing the planter to the bilge are also provided on both sides of the motor housing 5. The water tank housing 2 can be connected to a water pipe to replenish the water in the water tank housing 2.

[0033] One or more cultivation containers 20 are fixedly arranged on the upper surface of the rotating disk 3 , and the figure shows that there are four cultivation containers 20 . The four cultivation containers 20 are evenly arranged on the rotating disk 3 around the rotating rod 10 .

[0034] A cover 21 is provided on the upper part of the cultivation container 20, and a hole is opened in the center of the cover 21. Water-absorbing cotton is provided in the cultivation container 20. The water-absorbing cotton can absorb and store water, so that the plants in the cultivation container 20 can continuously absorb water, and the plants can grow out of the center hole of the cover 21. Since the spacecraft is also rotating, in order to prevent water leakage, the cover 21 can be provided to seal the water in the cultivation container 20.

[0035] A cover body 50 is provided around each cultivation container 20, and the cover body 50 is fixed on the water tank housing 2 and does not rotate with the rotating rod 10. The cover body 50 can also be fixed on the base 4. The cover body 50 is made of a transparent acrylic plate, so that the growth of the plants in the cover body 50 can be observed. The cover body 50 is provided with an inlet and outlet door for people to enter and exit the planting management and picking.

[0036] An air inlet 51 is provided at one end of the cover 50. Four air inlets 51 are provided and evenly surround the rotating rod 10. A fan 52 is provided on the air inlet 51. A generator 7 is provided at the center of the top of the cover 50. The top center of the cover 50 is provided as a stator, and the top center of the rotating rod 10 is provided as a rotor to form the generator 7. A coil is wound around the stator to generate a rotating magnetic field. The rotor is the rotating part of the generator, which is usually made of permanent magnetic material or electromagnet. Its main function is to be cut by magnetic lines of force in the rotating magnetic field to generate current. The generator 7 is any existing device that can supply power. It is not the invention point of the present application and will not be described here.

[0037] A circle of lighting lamps 6 are arranged on the top of the cover 50, and the generator 7 is used to supply power to the lighting lamps 6 and the fan 52. The lighting lamps 6 are turned on to simulate light, promoting the growth of plants towards light. The generator 7 drives the fan 52 to rotate, and the fan 52 delivers carbon dioxide into the cover 50.

[0038] Please also read Figure 4 and Figure 5The rotating rod 10 is hollow and has an air inlet pipe 11. The portion of the rotating rod 10 located in the motor housing 5 is provided with an air outlet pipe 12. The motor housing 5 is connected with an air outlet pipe 53, so that the gas entering the motor housing 5 can be transported to the outside. Multiple air inlet pipes 11 at the same height can be opened and evenly arranged on the rotating rod 10. Multiple air inlet pipes 11 can also be arranged at intervals along the height direction of the rotating rod 10. Multiple air outlet pipes 12 at the same height are also evenly arranged around the rotating rod 10. The oxygen released by the plants after photosynthesis enters the rotating rod 10 through the air inlet pipe 11 on the rotating rod 10, and is then discharged through the air outlet pipe 12 on the rotating rod 10 located in the motor housing 5, and is discharged to the outside through the air outlet pipe 53 on the motor housing 5 for inhalation by astronauts.

[0039] Each cultivation container 20 is connected to an intermittent circulating water assembly 30, which includes a water inlet pipe 31 connected to the inner side of the cultivation container 20 and a water outlet pipe 32 connected to the outer side of the cultivation container 20. The water inlet end of the water inlet pipe 31 and the water outlet end of the water outlet pipe 32 are both located in the water tank shell 2.

[0040] The water inlet pipe 31 includes a horizontal water inlet pipe 311 and a vertical water inlet pipe 312 both located in the water tank housing 2, and a water bubble ball 33 is arranged on the vertical water inlet pipe 312. A driving disk 40 is sleeved on the rotating rod 10 located in the water tank housing 2, and a plurality of support rods 41 are evenly spaced and vertically arranged at the lower part of the driving disk 40. The lower end of the support rod 41 is fixedly connected to the base 4, and the support rod 41 supports the driving disk 40 and the driving disk 40 does not contact the rotating rod 10.

[0041] The outer ring of the driving disk 40 is evenly spaced with a circle of protrusions, which are used to squeeze the bubble ball 33. When the driving disk 40 squeezes the bubble ball 33, the water in the water tank housing 2 enters the bubble ball 33 and enters the inner side of the cultivation container 20 along the vertical water inlet pipe 312, and flows out from the water outlet pipe 32 outside the cultivation container 20.

[0042] The water outlet pipe 32 includes a vertical water outlet pipe 321 located in the water tank shell 2 . A horizontal pipe 34 is connected between the vertical water outlet pipe 321 and the vertical water inlet pipe 312 . The horizontal pipe 34 is connected to the vertical water inlet pipe 312 and is located higher than the bubble ball 33 .

[0043] A piston 341 is arranged in the transverse tube 34. One end of the piston 341 which faces away from the vertical water inlet pipe 312 is connected to a spring 342. The end of the spring 342 is fixedly connected to a fixed plate in the transverse tube 34. The transverse tube 34 is equivalent to a piston cylinder. When the transverse tube 34 rotates, the piston 341 moves outward and is evacuated to a vacuum on the side close to the bubble ball 33. When there is no water in the bubble ball 33, the water in the water tank housing 2 can flow into the bubble ball 33. When the rotating rod 10 does not rotate, the spring 342 can be arranged to help the piston 341 return to its original position. A fixed plate is arranged in the transverse tube 34 to fix the spring 342, so that the spring 342 is fixed on the water outlet pipe 32 and is broken.

[0044] The lower part of the horizontal water inlet pipe 311 and the lower part of the transverse pipe 34 are fixedly connected with stirring blades 35. The stirring blades 35 rotate with the rotating rod 10 to stir the water in the water tank housing 2, promote the rotation of the water and make the water further rotate centrifugally outward.

[0045] A first one-way valve 313 is provided on the vertical water inlet pipe 312 below the bubble ball 33, and a second one-way valve 314 and a third one-way valve 315 are provided on the vertical water inlet pipe 312 above the bubble ball 33 in sequence, wherein the second one-way valve 314 is located below the transverse pipe 34, and the third one-way valve 315 is located above the transverse pipe 34. The first one-way valve 313 can be provided to prevent water entering the bubble ball 33 from flowing out from the transverse pipe 34 and entering the water tank housing 2. The second one-way valve 314 can be provided to prevent water entering the transverse pipe 34 from flowing back into the bubble ball 33, but the water can flow into the cultivation container 20 along the vertical water inlet pipe 312, and the third one-way valve 315 can be provided to prevent water entering above the transverse pipe 34 from flowing back into the bubble ball 33.

[0046] The vertical water inlet pipe 312 is close to one end of the inner side of the cultivation container 20, and is connected to the bottom of the cultivation container 20 after being bent horizontally, and is used to transport water in the water tank shell 2 to the cultivation container 20. The vertical water outlet pipe 321 is close to one end of the outer side of the cultivation container 20, and is connected to the bottom of the cultivation container 20 after being bent horizontally.

[0047] The end of the vertical water outlet pipe 321 located at the cultivation container 20 is connected with a bent pipe, which is composed of a vertical pipe and a horizontal pipe. One end connected to the vertical water outlet pipe 321 is a horizontal pipe, which is connected to a vertical pipe, and the vertical pipe is connected to a horizontal pipe. The bent pipe can prevent water from flowing back to the vertical water outlet pipe 321. Moreover, under the action of centrifugal force, the pressure at the lower end of the vertical water outlet pipe 321 is greater than the pressure of the vertical pipe, and water will not flow back.

[0048] Four climbing rods 8 are vertically arranged on the rotating disk 3 corresponding to the four cultivation containers 20 . When the plants in the cultivation containers 20 are climbing plants, the plants can climb along the climbing rods 8 .

[0049] The motor housing 5 is provided with a control panel 54 for controlling the rotation of the motor. The control panel 54 may also be provided with a switch for controlling the fan 52 to be turned on and a switch for controlling the lighting lamp 6 to be turned on.

[0050] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A space planter, characterized in that: It comprises a driving motor (1), a vertically arranged rotating rod (10) fixedly connected to an output shaft of the driving motor (1), a water tank housing (2) located above the driving motor (1), and a rotating disk (3) located above the water tank housing (2), wherein the rotating rod (10) passes through the center of the water tank housing (2) and the rotating disk (3) in sequence, and the rotating rod (10) and the rotating disk (3) are fixedly connected; At least one cultivation container (20) is fixedly arranged on the upper surface of the rotating disk (3); an intermittent circulating water assembly (30) connected to the cultivation container (20) is arranged in the water tank housing (2); a driving disk (40) for driving water in the water tank housing (2) to the intermittent circulating water assembly (30) is sleeved on the rotating rod (10) located in the water tank housing (2); the lower part of the driving motor (1) is arranged on a base (4); and the driving disk (40) is fixed on the base (4).

2. The space planter according to claim 1, characterized in that: The cultivation containers (20) are multiple and are evenly arranged on the rotating disk (3) around the rotating rod (10); each cultivation container (20) is connected to an intermittent circulating water component (30); and the driving disk (40) drives the water in the water tank housing (2) into each of the intermittent circulating water components (30).

3. The space plant growing device according to claim 2, characterized in that: The intermittent circulating water assembly (30) comprises a water inlet pipe (31) arranged in communication with the inner side of the cultivation container (20), and a water outlet pipe (32) arranged in communication with the outer side of the cultivation container (20), wherein the water inlet end of the water inlet pipe (31) and the water outlet end of the water outlet pipe (32) are both located inside the water tank housing (2); The water inlet pipe (31) is provided with a water bubble ball (33) on the pipeline inside the water tank housing (2); the driving disk (40) is used to squeeze the water bubble ball (33); water in the water tank housing (2) enters the water bubble ball (33) and enters the inner side of the cultivation container (20), and flows out from the water outlet pipe (32) outside the cultivation container (20).

4. The space plant growing device according to claim 3, characterized in that: The water inlet pipe (31) comprises a horizontal water inlet pipe (311) and a vertical water inlet pipe (312) both located inside the water tank housing (2); the water bubble ball (33) is located on the vertical water inlet pipe (312); and a first one-way valve (313) is provided on the vertical water inlet pipe (312) below the water bubble ball (33); The water outlet pipe (32) comprises a vertical water outlet pipe (321) located in the water tank shell (2); a horizontal pipe (34) is connected between the vertical water outlet pipe (321) and the vertical water inlet pipe (312); the horizontal pipe (34) is located in the water tank shell (2); the horizontal pipe (34) is connected to the vertical water inlet pipe (312) and is higher than the water bubble ball (33).

5. The space plant growing device according to claim 4, characterized in that: A piston (341) is arranged in the transverse tube (34), and one end of the piston (341) facing away from the vertical water inlet pipe (312) is connected to a spring (342), and the end of the spring (342) is fixed to a fixing plate connected to the transverse tube (34).

6. The space plant growing device according to claim 4, characterized in that: The lower portion of the horizontal water inlet pipe (311) and the lower portion of the transverse pipe (34) are both fixedly connected with stirring blades (35).

7. The space plant growing device according to claim 1, characterized in that: An elastic cover (21) is arranged on the upper part of the cultivation container (20), a hole is opened in the center of the cover (21), and water-absorbing cotton is arranged in the cultivation container (20).

8. The space plant growing device according to claim 1, characterized in that: A motor housing (5) is disposed on the base (4), the drive motor (1) is located in the motor housing (5), and the water tank housing (2) is disposed on the motor housing (5); A cover body (50) is provided around each of the cultivation containers (20); the cover body (50) is provided on the water tank housing (2); an air inlet (51) is provided at one end of the cover body (50); the rotating rod (10) is hollow and has an air inlet pipe (11); an air outlet pipe (12) is provided on the portion of the rotating rod (10) located in the motor housing (5); and the motor housing (5) is in communication with the outside.

9. The space plant growing device according to claim 8, characterized in that: A circle of lighting lamps (6) is arranged on the top of the cover body (50), a generator (7) is arranged at the center of the top of the cover body (50), four air inlets (51) are arranged evenly around the generator (7), a fan (52) is arranged on the air inlet (51), and the generator (7) is used to supply power to the lighting lamps (6) and the fan (52).

10. The space plant growing device according to claim 2, characterized in that: The rotating disk (3) is provided with climbing rods (8) vertically corresponding to the respective cultivation containers (20), and a vertical support rod (41) is provided at the lower part of the driving disk (40), and the lower end of the support rod (41) is fixedly connected to the base (4).

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