Incubator for rapid propagation and seedling culture of plants

By designing a combination of incubator and adjustment plate in the plant seedling incubator, the flow supplement and automatic adjustment of the nutrient solution are achieved, which solves the problems of high cost and low reliability of the existing system, and improves the seedling efficiency and seedling quality.

CN119631890AInactive Publication Date: 2025-03-18YULIN UNIV
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Patent Information

Application Number
CN202411907988.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-03-18
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the case of large-scale plant incubators, the CNC electronic control system is costly and has low reliability, making it difficult to effectively control the flow and pH of nutrient solution.

Method used

A rapid plant breeding incubator was designed, using a combination of incubator and adjustment plate to realize flow supplementation and automatic adjustment of nutrient solution through the structure of rectangular depression area, adjustment plate and overflow area to avoid nutrient solution deposition.

Benefits of technology

The continuous flow and automatic adjustment of nutrient solution are achieved, the cost is reduced, the reliability of the system is improved, and the deposition of nutrient solution and pH changes are avoided.

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Abstract

The invention discloses a plant rapid propagation seedling culture incubator, and relates to the technical field of plant seedling culture. Comprising a parking station, a support and a cultivation box, the cultivation box comprises an interlayer box plate, a carrying plate and a top plate, a rectangular concave area is formed in the top of the interlayer box plate, adjusting plates are arranged on the two sides of the rectangular concave area, a water containing area is formed between the two adjusting plates, and overflow areas are formed between the adjusting plates and the inner wall of one side of the rectangular concave area; the adjusting plate is used for adjusting the water area height of the water containing area, the cultivation boxes are installed on the movable support from top to bottom, the parking station is in a box body shape with one side open, and flowing supplement of nutrient solution is achieved. The water containing area is formed between the two adjusting plates, redundant nutrient solution is discharged from the water overflowing area, the nutrient solution is continuously supplied to the containing area, deposition of the nutrient solution is avoided, flowing and control of the nutrient solution are achieved through a mechanical structure, reliability is relatively high, and cost expenditure is reduced.
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Description

Technical Field

[0001] The invention relates to the technical field of plant seedling cultivation, in particular to a plant rapid propagation seedling incubator. Background Art

[0002] A breeding and seedling incubator is a device specially used for rapid plant propagation and seedling cultivation. It provides a suitable growth environment for plant tissue culture by precisely controlling environmental conditions such as temperature and light, promotes the dedifferentiation of plant explants to form callus tissue, and then differentiates into adventitious buds or adventitious roots, and finally develops into complete plants. It is widely used in agriculture, horticulture, forestry and other fields, and can improve the reproduction rate and seedling quality of crops, flowers and trees.

[0003] Incubators have been widely used in agricultural production. Since the nutrient solution does not flow for a long time, it will cause the precipitation of nutrients and the pH value of the nutrient solution will also change. Therefore, a numerical control electronic control system is usually used to control the nutrient solution. However, for large-scale seedling cultivation, batch numerical control electronic control systems are costly and have relatively low reliability. In view of this situation, the present invention proposes a new solution. Summary of the invention

[0004] The object of the present invention is to provide a plant rapid propagation seedling incubator to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a plant rapid propagation seedling incubator, comprising: Docking stations, stands and incubators; The incubator comprises a sandwich box plate, a carrier plate and a top plate. A rectangular recessed area is arranged on the top of the sandwich box plate. Adjustment plates are arranged on both sides of the rectangular recessed area. A water storage area is formed between the two adjustment plates. An overflow area is formed between the adjustment plate and an inner wall of one side of the rectangular recessed area. The adjustment plate is used to adjust the water height of the water storage area. The incubator is installed on a movable bracket from top to bottom. The docking station is in the shape of a box with one side open. After the incubator is installed on the bracket, it is pushed into the docking station. After the bracket is pushed into the docking station, the docking station automatically supplies nutrient solution to each incubator.

[0006] Further regarding this scheme, one side of the interlayer box plate is rotatably installed with pulley gear one, pulley gear two and pulley gear three, and the side of pulley gear one, pulley gear two and pulley gear three facing the interlayer box plate are all fixed with belt shafts, wherein the belt shafts of pulley gear one and pulley gear three are coaxially fixed with the rotating shaft of the adjustment plate, and pulley gear two is meshingly connected with pulley gear three, wherein the belt shafts of pulley gear two and pulley gear one are connected by a transmission belt.

[0007] Further to this solution, a top plate is provided on the top of the incubation box, a cultivation area is provided in the middle of the top plate corresponding to the water storage area, a number of cultivation boxes are distributed in a matrix in the cultivation area, the cultivation boxes can be taken out for cultivating plants, and handles are installed at both ends of the top of the top plate, and the handles are used to place the top plate on the interlayer box plate.

[0008] Further to this scheme, a bottom plate is arranged below the sandwich box panel, a gap is arranged between the bottom plate and the sandwich box panel, a heating rod is installed on the bottom plate, a gap width of 20cm-30cm is left between the bottom plate and the sandwich box panel, side plates are fixed at both ends of the bottom plate, bolts are arranged on the side plates, and the side plates are fixed to both ends of the sandwich box panel by bolts.

[0009] Further to this solution, a bottom plate is installed at the bottom of the bracket, a plurality of universal wheels are arranged at the bottom of the carrier plate, a push handle is installed on the bracket, and the maximum width of the bracket is smaller than the width between the two sides of the parking station.

[0010] Further regarding this scheme, a water tank is provided at the bottom of the side of the parking station facing away from the bracket, and a liquid supply pipe is installed on the water tank. The liquid supply pipe is a circulation pipe, and the water inlet end and the water inlet end of the liquid supply pipe are both connected to the water tank. A pump is provided in the water tank to pressurize the water supply for the liquid supply pipe. A section of the liquid supply pipe is located in the parking station and is perpendicular to the horizontal plane. A docking piece is provided between the incubator and the liquid supply pipe to realize the circulation of nutrient solution between the liquid supply pipe and the incubator.

[0011] Further regarding this solution, the docking piece includes a docking tube fixed to one side of the interlayer box plate, the docking tube is located on one side of the water holding area, a feeler is provided on one side of the docking tube, a branch pipe is provided at each docking tube corresponding to the liquid supply pipe, a hole is opened at the connection between the docking tube and the branch pipe, and a valve plate is provided at the position corresponding to the branch pipe in the liquid supply pipe.

[0012] Further to this solution, the valve plate is adapted to the curvature of the inner wall of the liquid supply pipe, a spring is arranged between the valve plate and the inner wall of the liquid supply pipe, a push rod is fixed on one side of the valve plate, the push rod extends to the inside of the branch pipe, and the push rod corresponds exactly to the contact finger.

[0013] Furthermore, regarding this scheme, two water guide interfaces are provided on the top of the top plate and on the side of the interlayer box plate facing the liquid supply pipe, and the water guide interface on the top plate and the water guide interface on the interlayer box plate are both opposite to the overflow area, one end of the downstream pipe is installed at the water guide interface of the upper interlayer box plate, and the other end of the downstream pipe is installed at the water guide interface of the top plate, and a return pipe is connected to the water guide interface of the lowest interlayer box plate, and the return pipe is connected to the inside of the water tank.

[0014] Further to this solution, artificial light panels corresponding to the number of incubators are installed on the inner wall of one side of the parking station, and the gap between the artificial light panels and the corresponding top panels is 30cm-50cm.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The plant rapid propagation seedling incubator realizes the flow replenishment of nutrient solution through the design of the incubator and the regulating plate. A water storage area is formed between the two regulating plates, and the excess nutrient solution is discharged from the overflow area. The nutrient solution is also continuously supplied to the storage area, which avoids the deposition of the nutrient solution. The flow and control of the nutrient solution are realized through the mechanical structure, which has relatively high reliability and reduces cost expenditure.

[0016] At the same time, when the incubator is in use, the flow of nutrient solution can be achieved by pushing the bracket and the incubator into the parking station, and the flow of nutrient solution can be automatically stopped by pushing the bracket out of the parking station. The operation is simple and convenient, and the practical difficulty is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the position structure of the support and the incubator of the present invention; Figure 3 It is a schematic diagram of the overall structure of the incubator of the present invention; Figure 4 It is a schematic diagram of the explosion structure of the incubator of the present invention; Figure 5 It is a schematic diagram of the position structure of the downstream pipe and the return pipe of the present invention; Figure 6 It is a schematic diagram of the cross-sectional structure of the present invention; Figure 7 For the present invention Figure 6 A schematic diagram of the enlarged structure of part A.

[0018] In the figure: 1. parking station; 2. bracket; 3. carrier plate; 4. universal wheel; 5. push handle; 6. incubator; 601. sandwich box plate; 602. adjustment plate; 603. pulley gear one; 604. transmission belt; 605. pulley gear two; 606. pulley gear three; 607. crank; 608. bottom plate; 609. heating rod; 610. side plate; 611. top plate; 612. incubator; 613. water guide interface; 614. handle; 615. rubber isolation pad; 7. artificial light board; 8. liquid supply pipe; 9. water tank; 10. downstream pipe; 11. return pipe; 12. butt pipe; 121. touch finger; 13. valve plate; 14. spring; 15. branch pipe; 16. push rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] like Figure 1 and Figure 2 As shown, the present invention provides a technical solution: a plant rapid propagation seedling incubator, comprising a docking station 1, a bracket 2 and a cultivation box 6, the cultivation box 6 is installed on the movable bracket 2 from top to bottom, the docking station 1 is in the shape of a box with one side open, and the cultivation box 6 can be pushed into the docking station 1 after being installed on the bracket 2. After the bracket 2 is pushed into the docking station 1, the docking station 1 automatically supplies culture solution to each cultivation box 6, and the culture solution always flows and circulates. Artificial light is also provided in the docking station 1 to supply plants with photosynthesis, and the cultivation box 6 can also provide heat. Therefore, the incubator can provide a good cultivation environment for the plants.

[0021] like Figure 3 and Figure 4 As shown, the cultivation box 6 includes a sandwich box plate 601, a bottom plate 608 and a top plate 611. A rectangular recessed area is arranged on the top of the sandwich box plate 601. Adjustment plates 602 are arranged on both sides of the rectangular recessed area. A water holding area is formed between the two adjustment plates 602 for holding nutrient solution for plants. The two adjustment plates 602 and one side of the corresponding rectangular recessed area form an overflow area. The two adjustment plates 602 are used to adjust the water height of the water holding area. Excess nutrient solution is discharged from the overflow area, and the holding area is also continuously supplied with nutrient solution, so as to realize the flow replenishment of nutrient solution and avoid the deposition of nutrient solution.

[0022] like Figure 4As shown, in order to facilitate the adjustment of the adjustment plate 602, a pulley gear 1 603, a pulley gear 2 605 and a pulley gear 3 606 are rotatably installed on one side of the sandwich box plate 601, and a belt shaft is fixed on the side of the pulley gear 1 603, the pulley gear 2 605 and the pulley gear 3 606 facing the sandwich box plate 601, wherein the belt shafts of the pulley gear 1 603 and the pulley gear 3 606 are coaxially fixed with the rotating shaft of the adjustment plate 602, and the pulley gear 2 605 is meshed with the pulley gear 3 606, wherein the belt shafts of the pulley gear 2 605 and the pulley gear 1 603 are connected by a transmission belt 604. Through the arrangement of the above structure, only one pulley gear needs to be rotated to realize the rotation of the adjustment plates 602 on both sides. A rubber isolation pad 615 is provided at the bottom of the adjustment plate 602, and the rubber isolation pad 615 can seal the bottom of the adjustment plate 602. In this case, the adjustment plate 602 can isolate the water storage area and the overflow area. That is to say, if you want the nutrient solution in the water storage area to enter the overflow area, you can only adjust the height of the adjustment plate 602. A crank 607 is fixed on one side of the pulley gear 2 605. The pulley gear 2 605 can be rotated by the crank 607. Under the transmission belt 604 and the meshing effect, several driving gears rotate synchronously, and the two adjustment plates 602 can be allowed to rotate in opposite directions during the rotation. The top height of the adjustment plate 602 can be adjusted during the rotation, that is to say, the liquid level of the nutrient solution in the water storage area can be adjusted in this way.

[0023] like Figure 3 and Figure 4 As shown, a top plate 611 is provided on the top of the cultivation box 6, and a cultivation area is provided in the middle of the top plate 611 corresponding to the water storage area. A plurality of cultivation boxes 612 are distributed in a matrix in the cultivation area. The cultivation boxes 612 can be taken out for cultivating plants. Handles 614 are installed at both ends of the top of the top plate 611, and the handles 614 are used to place the top plate 611 on the interlayer box board 601.

[0024] like Figure 4 As shown, a bottom plate 608 is arranged below the interlayer box plate 601, a gap is arranged between the bottom plate 608 and the interlayer box plate 601, a heating rod 609 is installed on the bottom plate 608, and the ambient temperature of the entire incubator can be adjusted by the heating rod 609. A gap width of at least 20cm-30cm needs to be ensured between the bottom plate 608 and the interlayer box plate 601 to prevent the heating rod 609 from directly baking the interlayer box plate 601. Side plates 610 are fixed at both ends of the bottom plate 608, and bolts are arranged on the side plates 610. The side plates 610 are fixed to the two ends of the interlayer box plate 601 by bolts. That is to say, the bottom plate 608 is fixed to the interlayer box plate 601 by the side plates 610.

[0025] Replay Figure 1 and Figure 2The parking station 1 is in the shape of a box with one side open. The incubators 6 are installed on the bracket 2 from top to bottom. A carrier plate 3 is installed at the bottom of the bracket 2. A plurality of universal wheels 4 are arranged at the bottom of the carrier plate 3. A push handle 5 is installed on the bracket 2. The bracket 2 can be directly pushed into the parking station 1 from one side to complete the docking with the parking station 1. Artificial light panels 7 corresponding to the number of incubators 6 are installed on the inner wall of one side of the parking station 1. The gap between the artificial light panel 7 and the corresponding top plate 611 is 30cm-50cm.

[0026] like Figure 5 and Figure 6 As shown, a water tank 9 is provided at the bottom of the side of the parking station 1 away from the bracket 2, and a liquid supply pipe 8 is installed on the water tank 9. The liquid supply pipe 8 is a circulation pipe. The water inlet end and the water inlet end of the liquid supply pipe 8 are both connected to the water tank 9. A pump is provided in the water tank 9 for pressurizing the water supply for the liquid supply pipe 8, wherein a section of the liquid supply pipe 8 is located in the parking station 1 and is perpendicular to the horizontal plane.

[0027] like Figure 7 As shown, a docking piece is provided between the incubator 6 and the liquid supply pipe 8 to realize the flow of nutrient solution between the liquid supply pipe 8 and the incubator 6, and the docking piece includes a docking pipe 12 fixed to one side of the sandwich box plate 601, the docking pipe 12 is located on one side of the water storage area, a touch finger 121 is provided on one side of the docking pipe 12, and the touch finger 121 does not affect the liquid flow of the docking pipe 12, and the liquid supply pipe 8 is provided with a branch pipe 15 corresponding to each docking pipe 12, and a hole is provided at the connection between the docking pipe 12 and the branch pipe 15, and a valve plate 13 is provided at the position corresponding to the branch pipe 15 in the liquid supply pipe 8, and the valve plate 13 is adapted to the curvature of the inner wall of the liquid supply pipe 8, and a spring is provided between the valve plate 13 and the inner wall of the liquid supply pipe 8. Spring 14, through the spring 14, the valve plate 13 can always be against the inner wall surface of the liquid supply pipe 8, blocking the hole at the connection between the docking pipe 12 and the branch pipe 15, and avoiding the loss of nutrient solution when the parking station 1 is idle. A push rod 16 is fixed on one side of the valve plate 13, and the push rod 16 extends to the inside of the branch pipe 15, and the push rod 16 just corresponds to the feeler 121. When the cultivation box 6 is pushed into the parking station 1, the docking pipe 12 is inserted into the branch pipe 15. When the feeler 121 contacts the push rod 16, it pushes the valve plate 13 to move. The valve plate 13 is separated from the inner wall surface of the liquid supply pipe 8 under the action of external force, and the nutrient solution enters the interlayer box board 601 from the branch pipe 15, thereby realizing the supply of nutrient solution to the plants.

[0028] Replay Figure 4 and Figure 5Two water guide interfaces 613 are provided on the top of the top plate 611 and on the side of the sandwich box plate 601 facing the liquid supply pipe 8. The water guide interface 613 on the top plate 611 and the water guide interface 613 on the sandwich box plate 601 are both directly opposite to the overflow area. Several culture boxes 6 are connected through a downstream pipe 10. One end of the downstream pipe 10 is installed at the water guide interface 613 of the upper sandwich box plate 601, and the other end of the downstream pipe 10 is installed at the water guide interface 613 of the top plate 611. Through the setting of this structure, the overflowing part of the nutrient solution located above can be transferred to the next culture box 6 through the downstream pipe 10. At the bottom interlayer box plate 601, the water guide interface 613 is connected to a return pipe 11, and the return pipe 11 is connected to the inside of the water tank 9. That is to say, the nutrient solution can be continuously transferred between the incubators 6 under the condition of continuous overflow, and until it is transferred to the water tank 9, and the liquid supply pipe 8 can continuously supply nutrient solution to the incubator 6, so as to realize the flow of nutrient solution inside each incubator 6. It should be noted that the nutrient solution supplied to the incubator 6 by the liquid supply pipe 8 needs to be relatively consistent with the liquid overflow between the incubators 6, and the water guide interface 613 and each tube are threadedly connected, which is simple and reliable.

[0029] When the incubator is in use, plant seedlings are cultivated on the cultivation box 612, and then the top plate 611 is placed on the interlayer box plate 601, the bracket 2 together with the cultivation box 6 is pushed into the parking station 1, and the docking tube 12 is inserted into the branch pipe 15. At this time, the docking tube 12 is prevented from contacting with the support rod 16. After pouring a proper amount of nutrient solution into the interlayer box plate 601, the bracket 2 is pushed again to make the docking tube 12 contact with the support rod 16 to achieve liquid connection between the liquid supply pipe 8 and the cultivation box 6. In this case, the circulation of the nutrient solution can be realized, and while ensuring the balance of the liquid level of the nutrient solution in the cultivation box 6, the nutrient solution is always in a flowing state to avoid the deposition of the nutrient solution.

[0030] 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 limited by the attached embodiments and their equivalents.

Claims

1. A plant rapid propagation seedling incubator, characterized in that: include: A docking station (1), a support (2) and an incubator (6); The incubation box (6) comprises an interlayer box plate (601), a carrier plate (608) and a top plate (611); a rectangular recessed area is arranged on the top of the interlayer box plate (601); adjustment plates (602) are arranged on both sides of the rectangular recessed area; a water storage area is formed between the two adjustment plates (602); a water overflow area is formed between the adjustment plate (602) and an inner wall of one side of the rectangular recessed area; the adjustment plate (602) is used to adjust the water height of the water storage area; The cultivation box (6) is mounted on a movable support (2) from top to bottom. The parking station (1) is in the shape of a box with one side open. After the cultivation box (6) is mounted on the support (2), it is pushed into the parking station (1). After the support (2) is pushed into the parking station (1), the parking station (1) automatically supplies nutrient solution to each cultivation box (6).

2. A plant rapid propagation seedling incubator according to claim 1, characterized in that: One side of the interlayer box plate (601) is rotatably mounted with a pulley gear 1 (603), a pulley gear 2 (605) and a pulley gear 3 (606); the pulley gear 1 (603), the pulley gear 2 (605) and the pulley gear 3 (606) are all fixed with a belt shaft on the side facing the interlayer box plate (601); the belt shafts of the pulley gear 1 (603) and the pulley gear 3 (606) are coaxially fixed with the rotating shaft of the adjustment plate (602); the pulley gear 2 (605) is meshedly connected with the pulley gear 3 (606); the belt shafts of the pulley gear 2 (605) and the pulley gear 1 (603) are connected via a transmission belt (604).

3. A plant rapid propagation seedling incubator according to claim 1, characterized in that: The cultivation box (6) is provided with a top plate (611) on the top, a cultivation area is provided in the middle of the top plate (611) corresponding to the water storage area, a plurality of cultivation boxes (612) are distributed in a matrix in the cultivation area, the cultivation boxes (612) can be taken out for cultivating plants, and handles (614) are installed at both ends of the top of the top plate (611), and the handles (614) are used to place the top plate (611) on the interlayer box plate (601).

4. A plant rapid propagation seedling incubator according to claim 1, characterized in that: A bottom plate (608) is arranged below the sandwich box plate (601), a gap is arranged between the bottom plate (608) and the sandwich box plate (601), a heating rod (609) is installed on the bottom plate 608, a gap width of 20 cm to 30 cm is left between the bottom plate (608) and the sandwich box plate (601), side plates (610) are fixed at both ends of the bottom plate (608), bolts are arranged on the side plates (610), and the side plates (610) are fixed to the two ends of the sandwich box plate (601) by bolts.

5. A plant rapid propagation seedling incubator according to claim 1, characterized in that: A bottom plate (3) is installed at the bottom of the bracket (2), a plurality of universal wheels (4) are arranged at the bottom of the carrier plate (3), a push handle (5) is installed on the bracket (2), and the maximum width of the bracket (2) is smaller than the width between the two sides of the parking station (1).

6. A plant rapid propagation seedling incubator according to claim 1, characterized in that: A water tank (9) is arranged at the bottom of the side of the parking station (1) away from the support (2), and a liquid supply pipe (8) is installed on the water tank (9). The liquid supply pipe (8) is a circulation pipe. The water inlet end and the water inlet end of the liquid supply pipe (8) are both connected to the water tank (9). A pump is arranged in the water tank (9) to pressurize the liquid supply pipe (8) and supply water. A section of the liquid supply pipe (8) is located in the parking station (1) and is perpendicular to the horizontal plane. A docking piece is arranged between the cultivation box (6) and the liquid supply pipe (8) to realize the circulation of nutrient solution between the liquid supply pipe (8) and the cultivation box (6).

7. A plant rapid propagation seedling incubator according to claim 6, characterized in that: The docking member comprises a docking pipe (12) fixed to one side of the sandwich box plate (601), the docking pipe (12) being located at one side of the water storage area, a contact finger (121) being provided on one side of the docking pipe (12), a branch pipe (15) being provided at each docking pipe (12) of the liquid supply pipe (8), a hole being provided at the connection between the docking pipe (12) and the branch pipe (15), and a valve plate (13) being provided at a position corresponding to the branch pipe (15) in the liquid supply pipe (8).

8. A plant rapid propagation seedling incubator according to claim 1, characterized in that: The valve plate (13) is adapted to the curvature of the inner wall of the liquid supply pipe (8), a spring (14) is provided between the valve plate (13) and the inner wall of the liquid supply pipe (8), a push rod (16) is fixed to one side of the valve plate (13), the push rod (16) extends into the interior of the branch pipe (15), and the push rod (16) just corresponds to the contact finger (121).

9. A plant rapid propagation seedling incubator according to claim 1, characterized in that: Two water guide interfaces (613) are provided on the top of the top plate (611) and on the side of the sandwich box plate (601) facing the liquid supply pipe (8); the water guide interface (613) on the top plate (611) and the water guide interface (613) on the sandwich box plate (601) are both directly opposite to the overflow area; one end of the downstream pipe (10) is installed at the water guide interface (613) of the upper sandwich box plate (601); the other end of the downstream pipe (10) is installed at the water guide interface (613) of the top plate (611); a return pipe (11) is connected to the water guide interface (613) of the lowermost sandwich box plate (601); and the return pipe (11) is connected to the inside of the water tank (9).

10. A plant rapid propagation seedling incubator according to claim 1, characterized in that: The inner wall of one side of the parking station (1) is installed with artificial light panels (7) corresponding to the number of the incubators (6), and the gap between the artificial light panels (7) and the corresponding top panels (611) is 30 cm to 50 cm.