A planting tray and corresponding vertical cultivation system

Abstract

The present invention provides a planting tray, comprising a tray body with a rectangular outer contour, the tray body being provided with a water inlet, a water outlet, and a receiving cavity for placing a plug tray, the water inlet being connected to the water outlet through the receiving cavity, and the water inlet and the water outlet being located on either side of the receiving cavity. Since the water inlet and the water outlet of the tray are located on either side of the receiving cavity, when the irrigation nutrient solution flows into the receiving cavity, the irrigation nutrient solution flows in one direction, and the horizontality requirement for the placement of the tray is low; during the flow process, it is not easy for the nutrient solution to be locally retained and breed bacteria and algae. The water inlet and the water outlet can be simple holes, without the need for a complex structure, so the tray manufacturing mold is simple, low-cost, not prone to clogging, and easy to install.

Description

Technical Field

[0001] The present invention relates to the field of planting technology, in particular to a planting tray and a corresponding vertical cultivation system. Background Art

[0002] A planting tray is an instrument used for cultivating and planting plants. Plants are relatively fragile during the seedling stage and generally need to be cultivated in a greenhouse environment to allow them to adapt to the natural environment before being transplanted to an outdoor environment for planting. Currently, many planting trays used for seedling cultivation only have basic water supply and drainage functions, and some even have no drainage function. Therefore, water cannot be drained quickly, which leads to a series of plant growth problems such as exposed plant roots and uneven growth. At the same time, green algae are easily generated inside existing planting trays, breeding bacteria, affecting environmental hygiene, and requiring a lot of time and cost to clean the planting trays, affecting the efficiency of plant cultivation.

[0003] In order to maximize the use of space, vertical multi-layered cultivation is currently generally used for seedling cultivation. During the cultivation process, it is often necessary to rotate planting trays (for example, during the germination stage, the planting trays need to be transferred to the germination room for germination), and the planting trays need to be transferred one by one by manpower. The operation is relatively cumbersome, the labor cost is high, and the efficiency of seedling cultivation is low. In addition, the vertical multi-layered cultivation form generally uses artificial lighting for cultivation, and artificial lighting consumes a lot of electricity and loss costs. Especially when electricity resources are tight, it invisibly increases the cultivation cost and selling price of seedlings, thereby affecting farmers' enthusiasm for planting and growers' income. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to design a planting tray and a corresponding vertical culture rack and a vertical culture system that are easy to clean, not prone to producing green algae, not prone to breeding bacteria, and easy to install and adjust.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A planting tray comprises a tray body with a rectangular outer contour, the tray body being provided with a water inlet, a water outlet and a receiving cavity for placing a plug tray, the water inlet being connected to the water outlet through the receiving cavity, and the water inlet and the water outlet being located on both sides of the receiving cavity.

[0007] Furthermore, the water outlet is connected to the accommodating chamber through a connecting port, and the connecting port includes a vertical groove and a horizontal groove; the bottom end of the vertical groove is connected to the bottom surface of the accommodating chamber, and the top end is connected to the horizontal groove; the length direction of the horizontal groove is parallel to the bottom surface of the accommodating chamber; the horizontal height of the water inlet is higher than the horizontal height of the bottom end of the vertical groove, and the bottom surface of the accommodating chamber is inclined along the direction from the water inlet to the water outlet, and the inclination angle is less than or equal to 1°.

[0008] Furthermore, the water inlet is connected to the accommodating chamber through a buffer zone; a first support platform and a second support platform for supporting the hole tray are provided on the bottom surface of the accommodating chamber; the first support platform and the second support platform are both long strips, and the length direction of the two is parallel to the direction from the water inlet to the water outlet.

[0009] Furthermore, an annular limiting guardrail and an annular step are provided at the edge of the tray body; the heights of the first support platform and the second support platform are equal, and the height of the step is higher than the height of the first support platform; the step is located between the limiting guardrail and the accommodating cavity, and the height of the limiting guardrail is higher than the height of the step; a groove is provided on the side of the limiting guardrail close to the step, and the accommodating cavity is connected to the outside of the tray body through the groove.

[0010] Furthermore, the water inlet and the water outlet are both located near the middle part of the short side edge of the tray body; the connecting port is T-shaped; the first support platform is provided with one, and the second support platform is provided with at least four, and drainage ditches are formed between two adjacent second support platforms, between the first support platform and the second support platform, and between the second support platform and the step; the bottom of the drainage ditch is V-shaped, and the length direction of the drainage ditch is parallel to the length direction of the first support platform.

[0011] A vertical cultivation system comprises an irrigation network, a lamp rack and a movable planting rack; the planting rack comprises a planting tray group and a planting rack body for supporting and fixing the planting tray group, the planting tray group consists of at least two planting trays as described above, and the planting trays are all fixed in the same vertical direction; the lamp rack comprises a lamp group and a lamp rack body for supporting and fixing the lamp group; the lamp group consists of at least two layers of lamps, and the lamp layers are all fixed in the same vertical direction; the number of the planting trays matches the number of the lamp layers, and the planting trays and the lamp layers are placed alternately; as the planting rack moves, the planting trays are displaced between the bottom of the lamp layer and the periphery of the lamp rack; the irrigation network is connected to the planting trays.

[0012] Furthermore, the planting rack also includes a connecting water pipe; between two adjacent planting trays, the water outlet of the upper planting tray is connected to the water inlet of the lower planting tray through the connecting water pipe; the irrigation network includes a water supply pipe and a return pipe, and a water receiving tray is also provided at the water inlet of the planting tray at the top of the planting rack, the water outlet position of the water supply pipe is suspended above the water receiving tray, and the return position of the return pipe is located directly below the water outlet of the planting tray at the bottom of the planting rack.

[0013] Furthermore, the lamp layer includes at least one plant growth lamp, which is one or both of a light bar and a light tube; the length direction of the plant growth lamp is orthogonal to one side of the tray body; the connecting water pipe is a straight pipe; between two adjacent planting trays, the projection of the water outlet of the upper planting tray falls on the water inlet of the lower planting tray.

[0014] Furthermore, the lamp groups are provided in two groups, and the two groups of lamp groups are mirror-symmetrical with respect to the lamp rack body; and one group of lamp groups is provided with one or two planting racks correspondingly.

[0015] Furthermore, the planting rack also includes a first connecting member group, a universal wheel group and a guide pulley group, the number of first connecting members in the first connecting member group matches the number of the planting trays; the planting trays are fixed to the planting rack body through the first connecting member; the universal wheels in the universal wheel group and the guide pulleys in the guide pulley group are evenly fixed on the bottom of the planting rack body; the lamp rack also includes a second connecting member group and a fixed rail matching the guide pulley group; the number of second connecting members in the second connecting member group matches the number of the lamp layers, and the lamp layers are fixed to the lamp rack body through the second connecting member; the fixed rail is located at the bottom of the lamp rack, and the fixed rail is provided with a limit block matching the planting rack body.

[0016] The present invention has the following advantages: because the tray's water inlet and outlet are located on either side of the chamber, the nutrient solution flows in a single direction, reducing the need for horizontal placement of the tray. This reduces the likelihood of localized nutrient solution stagnation and the growth of bacteria and algae. The inlet and outlet can be simple holes, eliminating the need for complex structures. This allows for simple and cost-effective mold production for the tray, reduces clogging, and facilitates installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The specific structure of the present invention is described in detail below with reference to the accompanying drawings

[0018] Figure 1 A three-dimensional diagram of a planting tray according to the present invention;

[0019] Figure 2It is a right side view of a planting tray of the present invention;

[0020] Figure 3 is a three-dimensional diagram of a vertical culture system of the present invention;

[0021] Figure 4 It is a front view of a vertical culture system of the present invention;

[0022] Figure 5 A three-dimensional diagram of a lamp stand for a vertical culture system of the present invention;

[0023] Figure 6 A three-dimensional diagram of a planting rack of a vertical cultivation system of the present invention;

[0024] Figure 7 A detailed diagram of the bottom structure of a planting rack of a vertical cultivation system of the present invention;

[0025] Among them, 1-planting rack body, 11-connecting water pipe, 12-water receiving tray, 13-universal wheel, 14-guide pulley, 2-tray body, 21-water inlet, 22-water outlet, 23-accommodating cavity, 24-vertical groove, 25-horizontal groove, 26-drainage ditch, 27-first support platform, 28-second support platform, 29-step, 30-limiting guardrail, 31-groove, 4-lamp rack body, 41-fixed rail, 42-limiting baffle, 5-lamp layer, 51-plant growth lamp. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0027] Example 1

[0028] See also Figure 1 as well as Figure 2 A planting tray includes a tray body 2 with a rectangular outer contour, the tray body 2 is provided with a water inlet 21, a water outlet 22 and a receiving cavity 23 for placing a plug tray, the water inlet 21 is connected with the water outlet 22 through the receiving cavity 23, and the water inlet 21 and the water outlet 22 are separated on both sides of the receiving cavity 23.

[0029] Because the tray's water inlet 21 and water outlet 22 are located on either side of the accommodating chamber 23, the nutrient solution flows unidirectionally from the inlet 21 into the accommodating chamber 23. This reduces the need for horizontal placement of the tray body 2 and facilitates its flow through the outlet 22. This prevents localized nutrient solution retention, which could potentially breed bacteria and algae. The inlet 21 and outlet 22 can be simple holes, eliminating the need for complex structures. This allows for simple and cost-effective molds for the tray, reduces clogging, and facilitates installation.

[0030] Example 2

[0031] Based on the above structure, the water outlet 22 is connected to the accommodating chamber 23 through a connecting port, and the connecting port includes a vertical groove 24 and a horizontal groove 25; the bottom end of the vertical groove 24 is connected to the bottom surface of the accommodating chamber 23, and the top end is connected to the horizontal groove 25; the length direction of the horizontal groove 25 is parallel to the bottom surface of the accommodating chamber 23; the horizontal height of the water inlet 21 is higher than the horizontal height of the bottom end of the vertical groove 24, and along the direction of the water inlet 21 pointing to the water outlet 22, the bottom surface of the accommodating chamber 23 is inclined, and the inclination angle is less than or equal to 1°.

[0032] The cross-sectional area of ​​vertical grooves 24 is smaller than that of water inlet 21, allowing the irrigation nutrient solution in chamber 23 to rise slowly. When chamber 23 is filled with irrigation nutrient solution, the irrigation nutrient solution overflows from horizontal grooves 25 into outlet 22. The bottom of chamber 23 is inclined, and the bottom of vertical grooves 24 is connected to the bottom of chamber 23, further ensuring that the irrigation nutrient solution in chamber 23 can be drained as much as possible, preventing the accumulation of liquid that can breed bacteria, algae, etc.

[0033] Example 3

[0034] On the basis of the above structure, the water inlet 21 is connected to the accommodating chamber 23 through a buffer zone to ensure the smooth flow of the irrigation liquid in the accommodating chamber 23. Preferably, the buffer zone is a small cavity, the horizontal height of the bottom of the small cavity is greater than or equal to the horizontal height of the bottom of the accommodating chamber 23, and the water flow from the water inlet 21 changes the direction of the water flow in the small cavity; the bottom of the accommodating chamber 23 is provided with a first support platform 27 and a second support platform 28 for supporting the plug tray; the first support platform 27 and the second support platform 28 are both long strips, and the length direction of the two is 2. They are all parallel to the direction of the water inlet 21 pointing to the water outlet 22. Preferably, the distance from the buffer zone to the connecting port is A, the length of the first support platform 27 is greater than 0.9A, and a line is provided, one end of which is located next to the buffer zone and the other end is located next to the connecting port, which is conducive to manual drainage of the irrigation nutrient solution. The irrigation nutrient solution flows along the edge of the first support platform 27 to the position of the vertical groove 24 for discharge; the length of the second support platform 28 does not exceed 0.25A, which facilitates the irrigation nutrient solution to flow along the gap between the ends of the two adjacent second support platforms 28 to various positions of the accommodating cavity 23.

[0035] Example 4

[0036] Based on the above structure, an annular limiting guardrail 30 and an annular step 29 are provided at the edge of the tray body 2; the heights of the first support platform 27 and the second support platform 28 are equal, and the height of the step 29 is higher than the height of the first support platform 27; the step 29 is located between the limiting guardrail 30 and the accommodating cavity 23, and the height of the limiting guardrail 30 is higher than the height of the step 29; a groove 31 is provided on the side of the limiting guardrail 30 close to the step 29, and the accommodating cavity 24 is connected to the outside of the tray body 2 through the groove 30.

[0037] After the hole tray is loaded with the matrix, the edge of the hole tray will be deformed to a certain extent, and the step 29 can play a good role in supporting the hole tray. Due to the influence of the restricted guardrail 30, the step 29 and the edge of the hole tray, a relatively closed space is formed in the accommodating cavity 23, and it is difficult for light to shine into the accommodating cavity 23, thereby preventing algae from growing in the tray. Due to the restriction of the restricted guardrail 30, the hole tray will not slide off the tray during transportation. The hole tray can be easily taken out or lifted from the groove 31. In addition, there is a certain gap between the edge of the hole tray and the step 29, and the accommodating cavity 23 can exchange air with the gap through the groove 31.

[0038] Example 5

[0039] Based on the above structure, the water inlet 21 and the water outlet 22 are both located near the middle of the short edge of the tray body 2; the connection port is T-shaped; the first support platform 27 is provided with one, and the second support platform 28 is provided with at least four. Drainage ditches 26 are formed between adjacent second support platforms 28, between the first support platform 27 and the second support platform 28, and between the second support platform 28 and the step 29; the bottom of the drainage ditch 26 is V-shaped, and the length direction of the drainage ditch 26 is parallel to the length direction of the first support platform 27. The length direction of the first support platform 27 is parallel to the length direction of the second support platform 28.

[0040] Since the drainage ditch 26 is V-shaped and the bottom surface of the accommodating cavity 23 is slightly inclined toward the water outlet 22, it further ensures that the irrigation nutrient solution can be easily discharged from the tray, avoiding liquid accumulation in the tray and the breeding of bacteria and algae.

[0041] Example 6

[0042] See also Figures 1 to 7 , a vertical cultivation system, comprising an irrigation network, a lamp rack and a movable planting rack; the planting rack comprises a planting tray group and a planting rack body 1 for supporting and fixing the planting tray group, the planting tray group is composed of at least two planting trays described in embodiments 1 to 5 above, and the planting trays are all fixed in the same vertical direction; the lamp rack comprises a lamp group and a lamp rack body 4 for supporting and fixing the lamp group; the lamp group is composed of at least two layers of lamp layers 5, and the lamp layers 5 are all fixed in the same vertical direction; the number of the planting trays matches the number of the lamp layers 5, and the planting trays and the lamp layers 5 are placed alternately; as the planting rack moves, the planting trays are displaced between the bottom of the lamp layer 5 and the periphery of the lamp rack, that is, the lamp rack and the planting rack are separable, which is convenient for batch transfer of the hole trays on the planting rack. During the transfer process, the planting rack is directly pushed, and the lamp rack is fixed, so the circuit of the lamp rack is stable and easy to maintain. The irrigation network is connected to the planting tray.

[0043] Since the vertical cultivation system adopts the above-mentioned planting tray, it has good adaptability to the ground. Slight unevenness of the ground does not affect the water inlet and drainage of the planting tray, there will be no locations that cannot be irrigated or where water accumulates, and there is no need to install a horizontal adjustment device for adjusting the planting rack horizontally after transferring the planting rack.

[0044] Example 7

[0045] Based on the above structure, the planting rack further includes a connecting water pipe 11; between two adjacent planting trays, the water outlet 22 of the upper planting tray is connected to the water inlet 21 of the lower planting tray through the connecting water pipe 11; the irrigation network includes a water supply pipe and a return pipe, and a water receiving tray 12 is also provided at the water inlet 21 of the planting tray at the top of the planting rack. The water outlet of the water supply pipe is suspended above the water receiving tray 12, and the cross-sectional area of ​​the water receiving tray 12 is larger than the cross-sectional area of ​​the water outlet of the water supply pipe; the return water pipe is located directly below the water outlet 22 of the planting tray at the bottom of the planting rack, that is, the water outlet 22 of the planting tray at the bottom of the planting rack is suspended above the return water pipe, and the cross-sectional area of ​​the interface at the return water position is larger than the cross-sectional area of ​​the water outlet 22. Therefore, only one irrigation network is required for each planting rack, with fewer interfaces, making it easier to disassemble and assemble the planting rack. Preferably, a water receiving tray 12 is provided at the connection between the water supply pipe and the water inlet 21 to facilitate the storage of irrigation nutrient solution. Furthermore, since the outlet of the water supply pipe is suspended above the water receiving tray 12, and the water outlet 22 of the planting tray at the bottom of the planting rack is suspended above the return water position of the return pipe, the water supply pipe and the return pipe can be quickly connected to each other, eliminating the need for manual operation to connect the irrigation network, while the irrigation network can still achieve an irrigation cycle. The irrigation nutrient solution enters the water receiving tray 12 from the water supply pipe and flows to the water inlet of the planting tray at the top of the planting rack. Since the water supply pipe and the water receiving tray 12 are not fixedly connected, and the return pipe and the water outlet 22 are fixedly connected, the planting rack can be quickly pushed in or out, thereby improving the transfer efficiency of the planting rack.

[0046] Example 8

[0047] Based on the above structure, the light layer 5 includes at least one plant growth light 51, which can be a light bar, a light tube, or both. The length of the plant growth light 51 is perpendicular to one side of the tray body 2, facilitating insertion of the light layer 5 into the gap between two planting trays. The connecting water pipe 11 is a straight pipe. Between two adjacent planting trays, the projection of the water outlet 22 of the upper planting tray falls on the water inlet 21 of the lower planting tray. This allows the nutrient solution to flow back and forth in a bow-shaped pattern. Since the water inlet 21 and outlet 22 of the planting trays are circular holes, the connecting water pipe 11 is a straight pipe. Only a cover or connecting cap is required above the water inlet 21 and outlet 22 to maintain aesthetics. Large debris will be trapped at the T-shaped connection, making it less prone to clogging. The lower end of the connecting water pipe 11 is secured above the buffer zone of the planting tray below it via a connecting cap. Therefore, if a blockage occurs, the connecting water pipe 11 and the connecting cap can be simply removed and replaced or unblocked.

[0048] Example 8

[0049] Based on the above structure, the lamp groups are provided in two groups, and the two groups of lamp groups are mirror-symmetrical about the lamp rack body 4; each group of lamp groups is provided with one or two planting racks. When a group of lamp groups is provided with two planting racks, the planting racks are relatively small and easy to move and transport.

[0050] Example 9

[0051] On the basis of the above structure, the planting rack also includes a first connecting member group, a universal wheel group and a guide pulley group, the number of first connecting members in the first connecting member group matches the number of the planting trays; the planting tray is fixed to the planting rack body 1 through the first connecting member; the universal wheel 13 in the universal wheel group and the guide pulley 14 in the guide pulley group are evenly fixed on the bottom of the planting rack body 1; the lamp rack also includes a second connecting member group and a fixed rail 41 matching the guide pulley group; the number of second connecting members in the second connecting member group matches the number of the lamp layers 5, and the lamp layer 5 is fixed to the lamp rack body 4 through the second connecting member; the fixed rail 41 is located at the bottom of the lamp rack, and a limit block 42 matching the planting rack body 1 is provided on the fixed rail 41, and the planting rack slides in with the fixed rail 41, so that the planting trays are all located under one lamp layer 5; restricted by the limit block 42, the planting trays are not easy to collide with the lamp rack during the movement, thereby improving safety performance. The first connector includes a support plate, a column connecting rod, and a fixing knob. The second connector includes the plug-in mounting bracket, support bracket, lamp frame, screws, and decorative cover for the plant growth lamp 51. The water inlet 21 connects to the water tray 12 or the connecting water pipe 11 via a first snap-fit ​​structure. Between adjacent planting trays, the water outlet 22 also connects to the connecting water pipe 11 via a second snap-fit ​​structure. The first and second snap-fit ​​structures allow for quick assembly of the planting rack. Furthermore, the connecting water pipe 11 is easily disassembled to clear any blockages.

[0052] In summary, the present invention provides a planting tray and a corresponding vertical cultivation system. Since the water inlet and water outlet of the tray are located on both sides of the accommodating chamber, the bottom surface of the accommodating chamber is inclined toward the location of the water outlet, the drainage ditch is V-shaped, and the first support platform is located in the middle of the accommodating chamber and extends from the water inlet to the water outlet. Therefore, although no horizontal adjustment device is added, it is still convenient for the irrigation nutrient solution to be discharged. Therefore, there will be no local nutrient solution retention and breeding of bacteria and algae in the planting tray, and the labor cost required for horizontal adjustment is also reduced. The water inlet, water outlet and connecting water pipes have simple structures, and the mold for making the planting tray is simple and low-cost, not easy to clog, and easy to install. The entire vertical cultivation system can be disassembled and transferred, which is suitable for different requirements of the seedling raising process and reduces the labor cost of transportation.

[0053] Here, first, second... only represent the distinction in their names, and do not represent any difference in their importance and position.

[0054] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention's description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A planting tray, comprising a tray body with a rectangular outer contour, wherein the tray body is provided with a water inlet, a water outlet and a receiving cavity for placing a plug tray, characterized in that: The water inlet is connected to the water outlet through the accommodating cavity, and the water inlet and the water outlet are located on both sides of the accommodating cavity; The water outlet is connected to the accommodating chamber via a connecting port, the connecting port comprising a vertical groove and a horizontal groove; the bottom end of the vertical groove is connected to the bottom surface of the accommodating chamber, and the top end is connected to the horizontal groove; the length direction of the horizontal groove is parallel to the bottom surface of the accommodating chamber; the level of the water inlet is higher than the level of the bottom end of the vertical groove, and the bottom surface of the accommodating chamber is inclined along the direction from the water inlet to the water outlet, with an inclination angle of less than or equal to 1°; The water inlet is connected to the accommodating chamber via a buffer zone; a first support platform and a second support platform for supporting the plug tray are provided on the bottom surface of the accommodating chamber; the first support platform and the second support platform are both long and narrow, and the length direction of the two is parallel to the direction from the water inlet to the water outlet; The distance from the buffer zone to the connection port is A, the length of the first support platform is greater than 0.9A, and the length of the second support platform does not exceed 0.25A.

2. The planting tray according to claim 1, wherein: An annular limiting guardrail and an annular step are provided at the edge of the tray body; the heights of the first support platform and the second support platform are equal, and the height of the step is higher than the height of the first support platform; the step is located between the limiting guardrail and the accommodating cavity, and the height of the limiting guardrail is higher than the height of the step; a groove is provided on the side of the limiting guardrail close to the step, and the accommodating cavity is connected to the outside of the tray body through the groove.

3. The planting tray according to claim 2, characterized in that The water inlet and the water outlet are both located near the middle part of the short side edge of the tray body; the connecting port is T-shaped; the first support platform is provided with one, and the second support platform is provided with at least four, and drainage ditches are formed between two adjacent second support platforms, between the first support platform and the second support platform, and between the second support platform and the step; the bottom of the drainage ditch is V-shaped, and the length direction of the drainage ditch is parallel to the length direction of the first support platform.

4. A vertical culture system, characterized in that: It comprises an irrigation network, a lamp rack and a movable planting rack; the planting rack comprises a planting tray group and a planting rack body for supporting and fixing the planting tray group, the planting tray group consists of at least two planting trays as described in any one of claims 1 to 3, and the planting trays are all fixed in the same vertical direction; the lamp rack comprises a lamp group and a lamp rack body for supporting and fixing the lamp group; the lamp group consists of at least two layers of lamps, and the lamp layers are all fixed in the same vertical direction; the number of the planting trays matches the number of the lamp layers, and the planting trays and the lamp layers are placed alternately; as the planting rack moves, the planting trays are displaced between the bottom of the lamp layer and the periphery of the lamp rack; the irrigation network is connected to the planting trays.

5. The vertical culture system according to claim 4, characterized in that: The planting rack also includes a connecting water pipe; between two adjacent planting trays, the water outlet of the upper planting tray is connected to the water inlet of the lower planting tray through the connecting water pipe; the irrigation network includes a water supply pipe and a return pipe, and a water receiving tray is also provided at the water inlet of the planting tray at the top of the planting rack, the water outlet position of the water supply pipe is suspended above the water receiving tray, and the return position of the return pipe is located directly below the water outlet of the planting tray at the bottom of the planting rack.

6. The vertical culture system according to claim 5, characterized in that: The lamp layer includes at least one plant growth lamp, which is one or both of a light bar and a light tube; the length direction of the plant growth lamp is orthogonal to one side of the tray body; the connecting water pipe is a straight pipe; between two adjacent planting trays, the projection of the water outlet of the upper planting tray falls on the water inlet of the lower planting tray.

7. The vertical cultivation system according to any one of claims 4 to 6, characterized in that: There are two groups of lamp groups, and the two groups of lamp groups are mirror-symmetrical with respect to the lamp rack body; one group of lamp groups is correspondingly provided with one or two planting racks.

8. The vertical culture system according to claim 7, characterized in that: The planting rack also includes a first connecting member group, a universal wheel group and a guide pulley group, the number of first connecting members in the first connecting member group matches the number of the planting trays; the planting trays are fixed to the planting rack body through the first connecting member; the universal wheels in the universal wheel group and the guide pulleys in the guide pulley group are evenly fixed on the bottom of the planting rack body; the lamp rack also includes a second connecting member group and a fixed rail matching the guide pulley group; the number of second connecting members in the second connecting member group matches the number of the lamp layers, and the lamp layers are fixed to the lamp rack body through the second connecting member; the fixed rail is located at the bottom of the lamp rack, and a limit block matching the planting rack body is provided on the fixed rail.

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