Plant factory

Abstract

The invention provides a plant factory, the plant factory is arranged in a hydraulic tunnel, the plant factory comprises a first cultivation structure, and the first cultivation structure comprises a supporting frame and a plurality of first cultivation boxes arranged on the supporting frame at intervals in the vertical direction; the light supplementing structure is arranged on the supporting frame and used for supplementing light to the multiple first cultivation boxes; the second cultivation structure is arranged on the side wall of the hydraulic tunnel; and the ventilation system is arranged in the hydraulic tunnel. According to the technical scheme, the problem that the hydraulic tunnel is idle in the prior art is effectively solved.

Description

Technical Field

[0001] The present invention relates to the technical field of plant factories, and in particular to a plant factory. Background Art

[0002] In water conservancy projects, hydraulic tunnels are a key underground structure that is carefully excavated in the rock strata to meet multiple functional requirements. The construction and design of these tunnels reflect the sophistication and complexity of engineering. They not only require the surrounding rock to have high stability, but also need to withstand huge internal water pressure, especially in the environment of hydropower stations. In order to ensure smooth water flow and efficient operation of equipment, the inner wall of the tunnel is required to be flat and smooth to reduce hydraulic resistance and wear. At the same time, the support measures of the tunnel must have good durability to ensure long-term safety and stability.

[0003] Hydraulic tunnels are classified by their uses into water diversion tunnels, sand drainage tunnels, diversion tunnels and other tunnels. Since diversion tunnels are generally used for diversion during construction of hubs in canyon areas, diversion tunnels are generally abandoned after completing their diversion tasks. Summary of the invention

[0004] The main purpose of the present invention is to provide a plant factory to solve the problem of idle hydraulic tunnels in the related art.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, a plant factory is provided, which is arranged in a hydraulic tunnel, and the plant factory comprises: a first cultivation structure, which comprises a support frame and a plurality of first cultivation boxes arranged on the support frame at intervals in the vertical direction; a fill light structure, which is arranged on the support frame to provide fill light for the plurality of first cultivation boxes; a second cultivation structure, which is arranged on the side wall of the hydraulic tunnel; and a ventilation system, which is arranged in the hydraulic tunnel.

[0006] Further, the second cultivation structure includes a second cultivation box, which extends in a vertical direction, and / or the second cultivation structure includes a third cultivation box, which extends in a horizontal direction.

[0007] Furthermore, the second cultivation structure includes a second cultivation box, which extends in the vertical direction. The second cultivation box includes a box body and a plurality of first baffles arranged at intervals. The box body is provided with a plurality of cultivation holes, which are arranged at intervals in the vertical direction. The plurality of first baffles are arranged one by one above the plurality of cultivation holes. The first baffles cover the corresponding cultivation holes. A connecting port is formed between the first baffle and the inner wall of the box body. The connecting port is spaced from the corresponding cultivation holes in the lateral direction.

[0008] Furthermore, the second cultivation box also includes a plurality of second baffles arranged at intervals, a second baffle is arranged between any two first baffles, and in the circumferential direction of the box body, the adjacent first baffles and second baffles are staggered.

[0009] Furthermore, the plant factory also includes a pump body and a box body, a nutrient solution is arranged in the box body, the inlet of the pump body is connected with the outlet of the box body, the outlet of the pump body is connected with the top of the second cultivation box, and the inlet of the box body is connected with the inlet of the second cultivation box.

[0010] Furthermore, a waterproof coating is provided on the inner wall of the hydraulic tunnel.

[0011] Furthermore, the support frame includes a first support column, a second support column, a third support column, a fourth support column and a plurality of mounting components, the first support column, the second support column, the third support column and the fourth support column are arranged in sequence at intervals, and the plurality of mounting components are arranged on the first support column, the second support column, the third support column and the fourth support column at intervals along the vertical direction, each mounting component includes a first mounting rod and a second mounting rod, the first mounting rod is arranged between the first support column and the second support column, the second mounting rod is arranged between the third support column and the fourth support column, and the first cultivation box is movably arranged between the first mounting rod and the second mounting rod.

[0012] Furthermore, the plant factory also includes a lifting structure, which includes a first driving member, a lifting frame and a second driving member. The lifting frame can be lifted and lowered on the first support column and / or the fourth support column. The first driving member is connected to the lifting frame to drive the lifting frame to lift and lower. The second driving member is movably arranged on the lifting frame, and the second driving member can drive one of the multiple first cultivation boxes to move to the lifting frame.

[0013] Furthermore, the lifting frame has a lifting state and a recovery state. When the lifting frame is in the lifting state, the lifting frame is horizontally arranged. When the lifting frame is in the recovery state, the lifting frame is vertically arranged.

[0014] Furthermore, the plant factory also includes a heating device, or the plant factory also includes a heat exchange device, and the heat exchange device is connected to an external heat resource.

[0015] By applying the technical solution of the present invention, a plant factory is arranged in a hydraulic tunnel, and the plant factory includes a first cultivation structure, a supplementary light structure, a second cultivation structure and a ventilation system. The first cultivation structure includes a support frame and a plurality of first cultivation boxes, and the plurality of first cultivation boxes are arranged on the support frame at intervals along the vertical direction. The supplementary light structure is arranged on the support frame to supplement the light for the plurality of first cultivation boxes. The second cultivation structure is arranged on the side wall of the hydraulic tunnel. A ventilation system is arranged in the hydraulic tunnel. Through the above arrangement, the support frame can support the plurality of first cultivation boxes. The plurality of first cultivation boxes can cultivate plants. The supplementary light structure can supplement the light for the first cultivation box to promote the growth of plants in the first cultivation box. The second cultivation structure can also cultivate plants, and the second cultivation structure is arranged on the side wall of the hydraulic tunnel, so that the utilization rate of the space in the hydraulic tunnel can be improved. The ventilation system can promote the circulation of air and ensure the growth of plants. Therefore, the technical solution of the present application effectively solves the problem of idle hydraulic tunnels in the related art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 A schematic front view of an embodiment of a plant factory according to the present invention is shown;

[0018] Figure 2 Shows Figure 1 A schematic diagram of a main view of a third cultivation box of a plant factory;

[0019] Figure 3 Shows Figure 1 A schematic diagram of a main view of a second cultivation box of a plant factory;

[0020] Figure 4 Shows Figure 1 A schematic cross-sectional view of a second cultivation box of a plant factory;

[0021] Figure 5 Shows Figure 1 A schematic diagram of the three-dimensional structure of the support frame of the plant factory;

[0022] Figure 6 Shows Figure 5 A schematic diagram of a three-dimensional structure of a support frame from another perspective;

[0023] Figure 7 Shows Figure 1 Schematic diagram of the three-dimensional structure of the plant factory when the lifting structure is in the recovered state.

[0024] The above drawings include the following reference numerals:

[0025] 1. hydraulic tunnel; 10. first cultivation structure; 11. support frame; 111. first support column; 1111. slideway; 112. second support column; 113. third support column; 114. fourth support column; 115. mounting assembly; 1151. first mounting rod; 1152. second mounting rod; 116. connecting plate; 117. guide block; 1171. guide slope; 12. first cultivation box; 121. connecting groove; 1 22. Avoidance groove; 20. Second cultivation structure; 21. Second cultivation box; 211. Box body; 2111. Cultivation hole; 212. First baffle plate; 213. Second baffle plate; 22. Third cultivation box; 23. Connecting port; 30. Ventilation system; 40. Pump body; 50. Box body; 60. Lifting structure; 61. First driving member; 62. Lifting frame; 63. Second driving member; 64. Connecting block; 65. Support plate; 66. Sliding rod. DETAILED DESCRIPTION

[0026] 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, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. 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.

[0027] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0028] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0029] The plant factory of this embodiment makes full use of the closed environment of the hydraulic tunnel 1. By setting the first cultivation structure 10 and the second cultivation structure 20, the three-dimensional planting of plants is realized, and the space utilization rate is improved. The addition of the light-supplementing structure ensures that the plants can also get sufficient light in the tunnel, and the ventilation system 30 ensures the air circulation required for plant growth. In addition, by setting the pump body 40 and the box body 50, the recycling of the nutrient solution is realized, which not only saves resources but also improves the growth efficiency of plants. The use of the waterproof coating protects the tunnel structure from damage, and the setting of the heating device or the heat exchange device enables the plant factory to adapt to different external environments and ensures the temperature conditions for plant growth. On the whole, the plant factory of this embodiment can effectively improve the actual effect of the plant factory and provide new possibilities for agricultural planting, especially in areas with limited space or harsh environmental conditions, where its application benefits are particularly significant.

[0030] like Figure 1 As shown, the plant factory of this embodiment is arranged in a hydraulic tunnel 1, and the plant factory includes: a first cultivation structure 10, a supplementary light structure, a second cultivation structure 20 and a ventilation system 30. The first cultivation structure 10 includes a support frame 11 and a plurality of first cultivation boxes 12 arranged on the support frame 11 at intervals in the vertical direction. The supplementary light structure is arranged on the support frame 11 to supplement the plurality of first cultivation boxes 12. The second cultivation structure 20 is arranged on the side wall of the hydraulic tunnel 1. The ventilation system 30 is arranged in the hydraulic tunnel 1.

[0031] By applying the technical solution of this embodiment, a plant factory is provided in a hydraulic tunnel 1, and the plant factory includes a first cultivation structure 10, a supplementary light structure, a second cultivation structure 20, and a ventilation system 30. The first cultivation structure 10 includes a support frame 11 and a plurality of first cultivation boxes 12, and the plurality of first cultivation boxes 12 are arranged on the support frame 11 at intervals along the vertical direction. The supplementary light structure is arranged on the support frame 11 to supplement the light for the plurality of first cultivation boxes 12. The second cultivation structure 20 is arranged on the side wall of the hydraulic tunnel. A ventilation system is provided in the hydraulic tunnel. Through the above arrangement, the support frame 11 can support the plurality of first cultivation boxes 12. The plurality of first cultivation boxes 12 can cultivate plants. The supplementary light structure can supplement the light for the first cultivation box 12 to promote the growth of plants in the first cultivation box 12. The second cultivation structure 20 can also cultivate plants, and the second cultivation structure 20 is arranged on the side wall of the hydraulic tunnel 1, so that the utilization rate of the space in the hydraulic tunnel 1 can be improved. The ventilation system 30 can promote the circulation of air and ensure the growth of plants. Therefore, the technical solution of this embodiment effectively solves the problem of idle hydraulic tunnels in the related art.

[0032] The hydraulic tunnel 1 adopts a gate-shaped section. The initial support adopts a combination of anchor spraying, hanging nets, and steel arches. The secondary support adopts reinforced concrete lining for the entire tunnel section. The lining thickness varies from 0.5m to 2.5m according to the surrounding rock conditions. The cross-sectional dimensions after lining are 15.00m×17.00m (width×height). The ambient temperature in the tunnel is 22.4 degrees in summer and the humidity is 66%; the ambient temperature in the tunnel is 9.2 degrees and the humidity is 51% in winter.

[0033] The hydraulic tunnel 1 includes a water diversion tunnel, a sand drainage tunnel and a diversion tunnel. The distance between the power supply system and the plant factory is within a preset range. The power supply system includes surrounding hydropower, wind power, photovoltaic power or other power generation and energy storage devices. The varieties planted in the plant factory include leafy vegetables, eggplants, flowers and mushrooms that are adapted to the high humidity and temperature environment of the hydraulic tunnel.

[0034] The supplementary light structure is an LED lamp. A plurality of LED lamps are arranged on the support frame, and a plurality of LED lamps are arranged above each first cultivation box 12 .

[0035] like Figure 2 and Figure 3 As shown, in this embodiment, the second cultivation structure 20 includes a second cultivation box 21, which extends in the vertical direction, and the second cultivation structure 20 includes a third cultivation box 22, which extends in the horizontal direction. By providing the second cultivation box 21 extending in the vertical direction and the third cultivation box 22 extending in the horizontal direction, the utilization rate of the side wall of the hydraulic tunnel can be improved. Such a design enables the plant factory to flexibly adapt to the structure of the hydraulic tunnel 1, and both the vertical space and the horizontal space can be effectively utilized, thereby improving the flexibility of planting.

[0036] The second cultivation box 21 includes a plurality of boxes arranged at intervals. The third cultivation box 22 includes a plurality of boxes arranged at intervals.

[0037] The second cultivation box 21 and the third cultivation box 22 are both provided with LED fill lights.

[0038] like Figure 3 and Figure 4 As shown, in this embodiment, the second cultivation structure 20 includes a second cultivation box 21, which extends in the vertical direction. The second cultivation box 21 includes a box body 211 and a plurality of first baffles 212 arranged at intervals. The box body 211 is provided with a plurality of cultivation holes 2111, which are arranged at intervals in the vertical direction. The plurality of first baffles 212 are arranged one by one above the plurality of cultivation holes 2111, and the first baffles 212 block the corresponding cultivation holes 2111. A communication port 23 is formed between the first baffle 212 and the inner wall of the box body 211, and the communication port 23 is spaced from the corresponding cultivation holes 2111 in the lateral direction. The cultivation holes 2111 allow the roots of the plants to extend into the box body 211. The plurality of first baffles 212 can stop the nutrient solution to prevent the nutrient solution from directly impacting the roots of the plants and causing damage to the plants.

[0039] The box body 211 is a column, which can reduce the accumulation of debris such as broken plant roots in the box body, making the box body easier to clean.

[0040] The axis of each cultivation hole 2111 extends in the horizontal direction.

[0041] The third cultivation box 22 is also provided with a plurality of cultivation holes, and the axes of the plurality of cultivation holes provided on the third cultivation box 22 also extend in the horizontal direction.

[0042] like Figure 4 As shown, in this embodiment, the second cultivation box 21 further includes a plurality of second baffles 213 arranged at intervals, and a second baffle 213 is arranged between any two first baffles 212. In the circumferential direction of the box body 211, the adjacent first baffles 212 and second baffles 213 are staggered. Through the above arrangement, under the action of the first baffle 212 and the second baffle 213, the nutrient solution can be stopped, the flow distance of the nutrient solution can be increased, the flow speed of the nutrient solution can be reduced, and the nutrient solution can be prevented from directly impacting the plant roots.

[0043] like Figure 3As shown, in this embodiment, the plant factory further includes a pump body 40 and a box body 50, a nutrient solution is arranged in the box body 50, the inlet of the pump body 40 is connected with the outlet of the box body 50, the outlet of the pump body 40 is connected with the top of the second cultivation box 21, and the inlet of the box body 50 is connected with the inlet of the second cultivation box 21. The pump body 40 can transport the nutrient solution to the second cultivation box 21 to ensure the growth of the plant. The inlet of the box body 50 is connected with the inlet of the second cultivation box 21 to ensure the circulation of the nutrient solution.

[0044] The pump body is a water pump.

[0045] The outlet of the pump body 40 is communicated with the top of each second cultivation box 21 , and the inlet of the box body 50 is communicated with the inlet of each second cultivation box 21 .

[0046] The third cultivation box is also connected to the pump body 40 and the box body 50. Nutrient solution is arranged in the box body 50. The inlet of the pump body 40 is connected to the outlet of the box body 50. The outlet of the pump body 40 is connected to the top of each third cultivation box 22. The inlet of the box body 50 is connected to the inlet of each second cultivation box 21.

[0047] like Figure 1 As shown, in this embodiment, a waterproof coating is provided on the inner wall of the hydraulic tunnel 1. This can prevent moisture from entering the hydraulic tunnel 1, effectively protect the electrical equipment in the plant factory, avoid electrical safety hazards caused by water dripping onto electrical components, and avoid potential risks caused by ground water accumulation to the first cultivation structure, the second cultivation structure and operation and maintenance personnel.

[0048] like Figure 5 As shown, in this embodiment, the support frame 11 includes a first support column 111, a second support column 112, a third support column 113, a fourth support column 114 and a plurality of mounting components 115. The first support column 111, the second support column 112, the third support column 113 and the fourth support column 114 are arranged in sequence at intervals, and the plurality of mounting components 115 are arranged on the first support column 111, the second support column 112, the third support column 113 and the fourth support column 114 at intervals along the vertical direction. Each mounting component 115 includes a first mounting rod 1151 and a second mounting rod 1152. The first mounting rod 1151 is arranged between the first support column 111 and the second support column 112, and the second mounting rod 1152 is arranged between the third support column 113 and the fourth support column 114. The first cultivation box 12 is movably arranged between the first mounting rod 1151 and the second mounting rod 1152. The first support column 111, the second support column 112, the third support column 113 and the fourth support column 114 can support a plurality of mounting assemblies 115. The first mounting rod 1151 and the second mounting rod 1152 can support the first cultivation box 12.

[0049] like Figure 5 and Figure 6 As shown, in this embodiment, the plant factory also includes a lifting structure 60, which includes a first driving member 61, a lifting frame 62 and a second driving member 63. The lifting frame 62 is movably arranged on the first support column 111 and the fourth support column 114. The first driving member 61 is connected to the lifting frame 62 to drive the lifting frame 62 to move up and down. The second driving member 63 is movably arranged on the lifting frame 62, and the second driving member 63 can drive one of the plurality of first cultivation boxes 12 to move to the lifting frame 62. The second driving member 63 can push the first cultivation box 12 to move to the lifting frame 62.

[0050] like Figures 5 to 7 As shown, in this embodiment, the lifting frame 62 has a lifting state and a retracting state. When the lifting frame 62 is in the lifting state, the lifting frame 62 is horizontally arranged, and when the lifting frame 62 is in the retracting state, the lifting frame 62 is vertically arranged. The above arrangement enables the lifting frame 62 to occupy less space when it is not in use.

[0051] A connecting groove 121 and an avoidance groove 122 connected to the connecting groove are provided on the outer surface of the first cultivation box 12. The connecting groove 121 extends along the height direction of the first cultivation box 12, and the connecting groove 121 runs through the height direction of the first cultivation box 12. The avoidance groove 122 extends from the second support column 112 to the first support column 111, and the avoidance groove 122 is provided at the bottom of the first cultivation box 12.

[0052] The lifting structure 60 further includes a connection block 64 movably disposed in the connection groove 121 . The connection block 64 is connected to the second driving member 63 . The second driving member 63 extends from the second supporting column 112 to the first supporting column 111 .

[0053] The lifting structure 60 further includes a support plate 65 and a slide bar 66 disposed on the side of the support plate 65, wherein the first end of the slide bar 66 is movably disposed in the slide slot 1111 of the first support column 111 along the vertical direction, and the second end of the slide bar 66 is connected to the support plate 65. When the lifting frame 62 is in the lifting state, the support plate 65 supports the lifting frame 62. The first end of the lifting frame 62 is rotatably disposed on the slide bar 66.

[0054] The support frame 11 further includes a connecting plate 116 connected to the first support column 111 and a guide block 117 disposed on the connecting plate 116, wherein the guide block 117 has a guide slope 1171. The connecting plate 116 is disposed near the bottom of the first support column 111. When the lifting frame 62 moves from the lifting state to the recovery state, the lifting frame 62 abuts against the guide slope 1171, and under the guiding action of the guide slope 1171, the second end of the lifting frame 62 gradually rotates toward the support frame 11 until the side of the lifting frame 62 away from the support frame 11 abuts against the side of the guide block 117 toward the support frame 11, and the lifting frame 62 is disposed vertically.

[0055] The connecting plate 116 includes a first plate body and a second plate body connected to the first plate body, and the guide block 117 is arranged on the second plate body. The first plate body and the second plate body are arranged vertically. In the direction from the second support column 112 to the first support column 111, the distance between the guide slope 1171 and the bottom of the support frame 11 gradually increases.

[0056] A torsion spring is provided between the slide bar 66 and the first end of the lifting frame 62 to enable the lifting frame 62 to move smoothly from the retracted state to the lifted state.

[0057] like Figure 1 As shown, in this embodiment, the plant factory further includes a heating device. The heating device can ensure the temperature required for the growth of plants in the plant factory.

[0058] In other embodiments, the plant factory further comprises a heat exchange device, which is connected to an external heat resource. The heat exchange device can ensure the temperature required for plant growth in the plant factory.

[0059] According to the structural dimension characteristics and wall conditions of the hydraulic tunnel 1 space area, the scale and form of the soilless cultivation three-dimensional plant factory are set. The cultivation module layout forms include three-dimensional vertical type and wall-mounted type. In the three-dimensional vertical cultivation form, that is, the first cultivation structure 10, the upper limit of the number of layers of the first cultivation box is determined according to the tunnel space height and the system ventilation and heat dissipation requirements.

[0060] Taking full advantage of the natural advantages of the large space, ventilation, and suitable temperature and humidity of the hydraulic tunnel 1, the conventional HVAC method of the plant factory is abandoned. The plant factory space refrigeration of this embodiment adopts air cooling or water cooling. The heat dissipated by the LED fill light is dissipated to the large indoor space by wind, or fresh air or water cooling is introduced for space heat exchange. In winter, the system heating capacity adopts electric heating or introduces waste heat resources from the surrounding system.

[0061] In the wall-attached cultivation form, the second cultivation box 21 and the third cultivation box 22 are fixed to the cave wall, the plants grow horizontally, and the nutrient solution in the second cultivation box 21 and the third cultivation box 22 flows in a directional manner to flush the plant roots and provide nutrient supplements for plant photosynthesis. The wall-attached planting trough includes a horizontal type (i.e., the third cultivation box 22) and a vertical type (i.e., the second cultivation box 21). The cross-section of the planting trough is circular, which is convenient for subsequent cleaning and reduces the deposition of plant root secretions and nutrient solution sediments in the corners. The wall-attached type is suitable for tunnels with narrow space widths.

[0062] Advantages of the second cultivation box 21 and the third cultivation box 22: Compared with the first cultivation box 12, the second cultivation box 21 and the third cultivation box 22 have simpler requirements on space and terrain, and fewer restrictions, especially when the foundation and wall are irregular and uneven or the space is narrow. Compact and simple, small footprint. Compared with the inconvenience caused by the integrated design of the first cultivation box 12 and the LED fill light in the first cultivation structure 10 for installation, cleaning and disassembly, the circular planting trough (i.e., the second cultivation box 21 and the third cultivation box 22) is easier to install, clean and disassemble, and the circular planting trough and the LED fill light adopt a split design, the LED strip light or panel light is installed at a certain distance from the circular planting trough, and the LED position can be moved with the different growth stages of the plant to adjust the fill light intensity.

[0063] Advantages of the third cultivation box 22: staggered parallel layout improves space utilization. A horizontal water circulation mode is formed in the circular tube of the third cultivation box 22, and the flow time of the nutrient solution in the tube is prolonged, which further promotes plant nutrient absorption.

[0064] The second cultivation box 21 has the advantages of being arranged in staggered parallel rows to improve space utilization. The broken roots, root secretions and solid sediments of the nutrient solution during plant growth can be washed away by the longitudinal directional flow of the nutrient solution, thereby reducing the difficulty of subsequent cleaning of the planting trough.

[0065] The lower limit of the nutrient solution level in the third cultivation box 22 is not lower than the highest point of the plant root system, ensuring that the root system is completely immersed and absorbs sufficient nutrients.

[0066] The nutrient solution in the second cultivation box 21 flows from top to bottom through the plant root system under the action of gravity, and the nutrient solution in the box body 50 is pumped to the top of the second cultivation box 21 by the pump body 40 to complete the nutrient solution circulation. In order to reduce the stress damage to the root system caused by the vertical water flow impact and prolong the residence time of the nutrient solution in the second cultivation box 21, a first baffle 212 and a second baffle 213 are arranged above the plant root system and on the opposite side wall of the groove wall to form an S-shaped flow trajectory.

[0067] The plant factory also has an outer frame structure, which has a first working state, a second working state, and a third working state. When the outer frame structure is in the first working state, the outer frame structure is a closed structure. When the outer frame structure is in the second working state, the outer frame structure is a semi-closed structure. When the outer frame structure is in the third working state, the outer frame structure is an open structure.

[0068] The outer frame structure includes a first arc-shaped support rod, a second arc-shaped support rod, a first film arranged between the first arc-shaped support rod and the ground, a second film arranged between the first arc-shaped support rod and the ground, and a third film arranged between the first arc-shaped support rod and the second arc-shaped support rod.

[0069] When the outer frame structure is in the first working state, the first film covers between the first arc-shaped support rod and the ground, the second film covers between the first arc-shaped support rod and the ground, and the third film covers between the first arc-shaped support rod and the second arc-shaped support rod, so as to close the space enclosed by the first arc-shaped support rod and the second arc-shaped support rod with the ground.

[0070] When the outer frame structure is in the second working state, the first film covers between the first arc-shaped support rod and the ground, the second film covers between the first arc-shaped support rod and the ground, and the third film is removed from between the first arc-shaped support rod and the second arc-shaped support rod.

[0071] When the outer frame structure is in the third working state, the first film is removed from between the first arcuate support rod and the ground, the second film is removed from between the first arcuate support rod and the ground, and the third film is removed from between the first arcuate support rod and the second arcuate support rod.

[0072] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0073] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0074] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0075] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A plant factory, characterized in that: The plant factory is arranged in a hydraulic tunnel (1), and comprises: A first cultivation structure (10), the first cultivation structure (10) comprising a support frame (11) and a plurality of first cultivation boxes (12) arranged on the support frame (11) at intervals in a vertical direction; A light supplement structure, the light supplement structure being arranged on the support frame (11) to provide light supplement to the plurality of first cultivation boxes (12); A second cultivation structure (20), the second cultivation structure (20) being arranged on a side wall of the hydraulic tunnel (1); A ventilation system (30), wherein the ventilation system (30) is arranged in the hydraulic tunnel (1).

2. The plant factory according to claim 1, characterized in that: The second cultivation structure (20) comprises a second cultivation box (21), the second cultivation box (21) extends in a vertical direction, and / or the second cultivation structure (20) comprises a third cultivation box (22), the third cultivation box (22) extends in a horizontal direction.

3. The plant factory according to claim 1, characterized in that: The second cultivation structure (20) comprises a second cultivation box (21), the second cultivation box (21) extends in a vertical direction, the second cultivation box (21) comprises a box body (211) and a plurality of first baffles (212) arranged at intervals, a plurality of cultivation holes (2111) are arranged on the box body (211), the plurality of cultivation holes (2111) are arranged at intervals in the vertical direction, a plurality of first baffles (212) are arranged above the plurality of cultivation holes (2111) in a one-to-one correspondence, the first baffles (212) shield the corresponding cultivation holes (2111), a communication opening (23) is formed between the first baffle (212) and the inner wall of the box body (211), and the communication opening (23) is spaced from the corresponding cultivation holes (2111) in a transverse direction.

4. The plant factory according to claim 3, characterized in that: The second cultivation box (21) further comprises a plurality of second baffles (213) arranged at intervals, a second baffle (213) being arranged between any two of the first baffles (212), and in the circumferential direction of the box body (211), the adjacent first baffles (212) and second baffles (213) are staggered.

5. The plant factory according to claim 2, characterized in that: The plant factory further comprises a pump body (40) and a box body (50), wherein a nutrient solution is arranged in the box body (50), an inlet of the pump body (40) is connected to an outlet of the box body (50), the outlet of the pump body (40) is connected to the top of the second cultivation box (21), and an inlet of the box body (50) is connected to an inlet of the second cultivation box (21).

6. The plant factory according to any one of claims 1 to 5, characterized in that: A waterproof coating is provided on the inner wall of the hydraulic tunnel (1).

7. The plant factory according to any one of claims 2 to 5, characterized in that: The support frame (11) comprises a first support column (111), a second support column (112), a third support column (113), a fourth support column (114) and a plurality of mounting components (115), wherein the first support column (111), the second support column (112), the third support column (113) and the fourth support column (114) are arranged in sequence at intervals, and the plurality of mounting components (115) are arranged in the vertical direction at intervals on the first support column (111), the second support column (112), the third support column (113) and the fourth support column (114). and on the fourth support column (114), each of the mounting components (115) includes a first mounting rod (1151) and a second mounting rod (1152), the first mounting rod (1151) being arranged between the first support column (111) and the second support column (112), the second mounting rod (1152) being arranged between the third support column (113) and the fourth support column (114), and the first cultivation box (12) being movably arranged between the first mounting rod (1151) and the second mounting rod (1152).

8. The plant factory according to claim 7, characterized in that: The plant factory also includes a lifting structure (60), the lifting structure (60) includes a first driving member (61), a lifting frame (62) and a second driving member (63), the lifting frame (62) is movably arranged on the first support column (111) and / or the fourth support column (114), the first driving member (61) is connected to the lifting frame (62) to drive the lifting frame (62) to rise and fall, the second driving member (63) is movably arranged on the lifting frame (62), and the second driving member (63) can drive one of the plurality of first cultivation boxes (12) to move to the lifting frame (62).

9. The plant factory according to claim 8, characterized in that: The lifting frame (62) has a lifting state and a recovery state. When the lifting frame (62) is in the lifting state, the lifting frame (62) is horizontally arranged. When the lifting frame (62) is in the recovery state, the lifting frame (62) is vertically arranged.

10. The plant factory according to claim 1, characterized in that: The plant factory further includes a heating device, or the plant factory further includes a heat exchange device, and the heat exchange device is connected to an external heat resource.

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