Leek planting film sunlight heat storage and disinfection greenhouse and planting process

Abstract

The present application relates to leek planting technical field, and disclose a kind of film sunlight heat storage disinfection greenhouse for leek planting, including support, drive motor and circulating pump, further include: lifting device, it is fixedly arranged on support symmetrically, and side film is also provided on support, lifting device is provided on lifting support, lifting device can drive lifting support vertical lifting, lifting support is fixedly provided with top covering film, and located at the both sides of top covering film fixedly connected with connected film. Through the setting of sunlight heat storage device and lifting support, the sunlight heat storage device is gathered to light heat, on the one hand, the light is directly transmitted to the soil layer, the soil layer is heated, on the other hand, solar energy is transmitted to water, and is converted into heat energy, in this way, through heat conduction, the soil layer is further heated, and then leek maggot, virus and the like in the soil layer can be disinfected, and lowering is completed through lifting device and lifting support.

Description

Technical Field

[0001] This invention relates to the field of leek cultivation technology, specifically to a thin-film solar heat storage and disinfection greenhouse for leek cultivation and its cultivation process. Background Technology

[0002] Chives are a widely cultivated perennial specialty vegetable in my country, characterized by strong adaptability, a long harvest cycle, and stable economic benefits. They are an important category in the greenhouse vegetable cultivation system, playing a vital role in the supply of winter vegetables in northern China and in high-efficiency agricultural production in suburban areas. With the large-scale and intensive development of greenhouse agriculture, greenhouse cultivation of chives has become widespread. However, traditional simple greenhouse cultivation methods have some shortcomings, as follows:

[0003] Currently, most chive cultivation facilities use ordinary plastic film greenhouses, which rely mainly on natural sunlight for passive heating. These greenhouses lack specialized heat storage structures, resulting in extremely poor temperature control. In the cold autumn and winter seasons of northern China, the greenhouses' nighttime insulation is insufficient, causing a sudden drop in temperature. This easily leads to stunted growth, frost damage to leaves, and weakened growth, significantly extending the planting cycle. During the hot summer and autumn off-seasons, the heat inside the greenhouses cannot be effectively utilized. Furthermore, due to continuous chive cultivation year after year, pathogens, insect eggs, and weed seeds accumulate in the soil within the greenhouses. Among these, chive maggots (chive leafminer) are the most serious pest, considered a "stubborn disease" of chive cultivation. Natural sun exposure is inefficient and uneven in heating, making it difficult to effectively heat the soil and eliminate chive maggots. Summary of the Invention

[0004] This invention provides a thin-film solar thermal storage and disinfection greenhouse for leek cultivation and a cultivation process, which has the advantages of good elimination effect on leek maggots and full utilization of solar energy, thus solving the problems in the background technology mentioned above.

[0005] This invention provides the following technical solution: a film-film solar heat storage and disinfection greenhouse for leek cultivation, comprising a frame, a drive motor, and a circulation pump, and further comprising: a lifting device, which is symmetrically fixedly mounted on the frame, and the frame is also provided with side films; the lifting device is provided with a lifting support, which can be driven to rise and fall vertically by the lifting device; a top covering film is fixedly mounted on the lifting support, and an integral film is fixedly connected to both sides of the top covering film; the bottom end of the integral film extends into the soil layer and is compacted with soil; a solar heat storage device, which is located in the middle of the lifting support and fixedly mounted in the soil layer; the solar heat storage device is filled with water to absorb light and heat, and then transfers the heat energy to the soil layer through water conduction to increase the soil temperature, thereby killing leek maggots, pests, and viruses in the soil.

[0006] Preferably, the lifting device includes a ball screw assembly and a worm gear transmission device. The ball sleeve of the ball screw assembly is fixedly connected to the lifting bracket. The worm wheel of the worm gear transmission device is fixedly connected to one end of the ball screw assembly. One end of the worm of the worm gear transmission device is connected to the output end of the drive motor through a coupling to realize the lifting of the lifting bracket.

[0007] Preferably, the solar thermal storage device includes a bottom heating chamber and a heating column. The bottom heating chamber is completely buried in the soil, and a light guide column is uniformly and vertically fixed on its top. A heat collection cylinder is uniformly fixed on the side of the bottom heating chamber and is laid horizontally in the soil. The light guide column is movably connected to the lifting bracket, and a heating column is fixedly installed above the lifting bracket.

[0008] Preferably, the heating column is semi-circular and hollow inside, filled with water to achieve a light-focusing effect and transmit the light source into the light guide column; the light guide column is a glass tube with an external coating and an external protective sleeve to transmit the light focused by the heating column to the bottom heating chamber and the heat collection cylinder, which are made of transparent plastic.

[0009] Preferably, a solenoid valve is fixedly installed at one end of the heating column, and the solenoid valve is connected to the circulation pump through a conduit.

[0010] Preferably, horizontal reinforcing strips are evenly distributed on the integral film, and the two ends of the horizontal reinforcing strips are respectively movably connected to the bracket. Suspension ropes are evenly fixed on the lifting bracket, and one end of the suspension rope suspends the horizontal reinforcing strip. Adjacent horizontal reinforcing strips are also connected by suspension ropes.

[0011] Preferably, the top covering film is in the shape of an "eight", and a water baffle is fixedly provided on the side film above the top covering film to block the gap between the side film and the top covering film.

[0012] A cultivation process for a film-film solar heat storage and disinfection greenhouse for leek cultivation, the process steps of which are as follows:

[0013] S1: When it is necessary to sterilize and disinfect the soil for long-term leek cultivation, the lifting device is used to lower the lifting support to the lowest point, so that the top covering film is close to the ground, reducing the volume of the greenhouse and reducing the air resistance inside the greenhouse. Then, under the external sunlight, the temperature inside the greenhouse can rise rapidly, increasing the peak temperature, so as to disinfect leek maggots in the soil.

[0014] S2: The solar thermal storage device is filled with water and absorbs solar energy during the day, converting it into heat energy. Since the bottom heating chamber and heat collection cylinder are directly buried in the soil, the soil can be directly heated, accelerating the soil's heating efficiency and improving the disinfection effect. At the same time, water has a lower heat dissipation efficiency than air, so at night, the heat energy of the water inside the solar thermal storage device can keep the soil warm and provide continuous disinfection. In addition, to continue heat storage and sterilization, hot water can be introduced into the solar thermal storage device through a circulation pump and solenoid valve to ensure that the planting soil maintains a certain temperature at night and continues to sterilize the soil.

[0015] The present invention has the following beneficial effects:

[0016] By installing a solar thermal storage device and a lifting support frame, the solar thermal storage device concentrates solar heat. On one hand, it directly conducts sunlight into the soil to heat the soil. On the other hand, it conducts solar energy to water, converting it into heat energy. This heat conduction further heats the soil, thus eliminating leek maggots and viruses in the soil. At the same time, the lifting device and lifting support frame lower the greenhouse, reducing the internal space. This reduces the path of sunlight transmission through the top covering film, decreases the absorption of heat by the air inside the greenhouse, and reduces the rate of heat loss. This concentrates heat to heat the soil, increasing the soil temperature and improving the elimination effect on leek maggots. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the overall half-section of the structure of the present invention;

[0019] Figure 3 This is a front view schematic diagram of the structure of the present invention;

[0020] Figure 4 This is a top view of the structure of the present invention;

[0021] Figure 5 This is a frontal half-sectional view of the structure of the present invention;

[0022] Figure 6 This is a schematic diagram of the installation of the lifting device of the present invention.

[0023] In the diagram: 1. Support frame; 2. Lifting device; 21. Ball screw device; 22. Worm gear transmission device; 3. Side membrane; 4. Lifting support frame; 5. Top covering membrane; 6. Integrated membrane; 7. Horizontal reinforcing strip; 8. Suspension rope; 9. Solar thermal storage device; 91. Bottom heating chamber; 92. Light guide column; 93. Heat collection cylinder; 94. Heating column; 10. Solenoid valve; 11. Water baffle. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] Please see Figure 1-6 A film-supported solar heat storage and disinfection greenhouse for leek cultivation includes two sets of supports 1 fixedly installed on the ground, a drive motor and a circulation pump, and further includes: a lifting device 2, which is symmetrically fixed on the supports 1, and the supports 1 are also provided with side films 3. The lifting device 2 is provided with a lifting support 4, which can be vertically raised and lowered by the lifting device 2. A top covering film 5 is fixedly installed on the lifting support 4, and an integral film 6 is fixedly connected to both sides of the top covering film 5. The bottom end of the integral film 6 extends into the soil layer and is compacted with soil; a solar heat storage device 9 is set in the middle of the lifting support 4 and fixedly installed in the soil layer. The solar heat storage device 9 is filled with water to absorb light and heat, and then transfers the heat energy to the soil layer through water conduction to increase the soil temperature, thereby killing leek maggots, pests and viruses in the soil.

[0026] The solar thermal storage device 9 concentrates solar heat, directly transmitting light into the soil to heat it. Simultaneously, it transfers solar energy to water, converting it into heat. This heat further heats the soil, effectively eliminating leek maggots and viruses. The lifting device 2 and lifting support 4 lower the greenhouse, reducing internal space. During the direct sunlight and solar thermal storage device 9's soil heating and disinfection process, the lifting support 4, carrying the top covering film 5, descends to its lowest point, allowing sunlight to directly reach the soil through the film, reducing the propagation path within the greenhouse. This also reduces internal space, lowering the rate of heat loss and concentrating heat to heat the soil, thus improving the effectiveness of leek maggot elimination.

[0027] The lifting device 2 includes a ball screw device 21 and a worm gear transmission device 22. The ball sleeve of the ball screw device 21 is fixedly connected to the lifting bracket 4. The worm wheel of the worm gear transmission device 22 is fixedly connected to one end of the screw of the ball screw device 21. One end of the worm of the worm gear transmission device 22 is connected to the output end of the drive motor through a coupling to realize the lifting of the lifting bracket 4. Through lifting, the "breathing" of the greenhouse is realized. In summer planting, when the temperature inside the greenhouse is too high, the lifting of the lifting bracket 4 drives the air circulation inside the greenhouse, exchanging the high temperature inside with the outside air, and avoiding the high temperature inside the greenhouse from scorching the chives.

[0028] The solar thermal storage device 9 includes a bottom heating chamber 91 and a heating column 94. The bottom heating chamber 91 is completely buried in the soil, and light guide columns 92 are evenly and vertically fixed on its top. Heat collection cylinders 93 are evenly and horizontally fixed on the sides of the bottom heating chamber 91. The light guide columns 92 are movably connected to the lifting bracket 4, and the heating column 94 is fixedly installed above the lifting bracket 4. The bottom heating chamber 91, light guide columns 92, heat collection cylinders 93, and heating column 94 are filled with water. Under the sunlight during the day, the water absorbs solar energy and converts it into heat energy. Since the bottom heating chamber 91 and heat collection cylinders 93 are directly buried in the soil, they can directly heat the soil, accelerate the soil heating efficiency, and improve the disinfection effect on the soil. At the same time, the heat dissipation efficiency of water is lower than that of air. Therefore, at night, the heat energy of the water inside the solar thermal storage device 9 plays a certain role in keeping the soil warm, providing a favorable environment for the growth of chives.

[0029] The heating column 94 is semi-circular and hollow inside, filled with water to achieve a light-focusing effect and guide the light source into the light guide column 92. The light guide column 92 is a glass tube with an outer coating and a protective sleeve to conduct the light focused by the heating column 94 to the bottom heating chamber 91 and the heat collection cylinder 93. The bottom heating chamber 91 and the heat collection cylinder 93 are made of transparent plastic. Through the light focusing of the heating column 94 and the conduction of the light guide column 92, the light is directly conducted to the bottom heating chamber 91 and the heat collection cylinder 93, and finally directly to the interior of the soil layer, achieving simultaneous heating of the soil layer inside and out, thereby increasing the soil layer's heating efficiency and accelerating the disinfection efficiency of the soil layer.

[0030] A solenoid valve 10 is fixedly installed at one end of the heating column 94, and the solenoid valve 10 is connected to the circulation pump through a conduit. Water at a certain temperature is introduced into the solar thermal storage device 9 through the circulation pump, so that the temperature of the soil layer can be quickly increased during the disinfection period. This avoids the problem that the temperature of the outside sunlight is insufficient and it is difficult to disinfect the leek maggots in the soil layer. By directly introducing hot water from the outside, it is conducted through the solar thermal storage device 9 and directly heats and disinfects the soil layer without direct contact with the soil, thus avoiding a large amount of hot water seeping into the soil layer and causing soil compaction.

[0031] Horizontal reinforcing strips 7 are evenly arranged on the integrated film 6, and both ends of the horizontal reinforcing strips 7 are movably connected to the bracket 1. Suspension ropes 8 are evenly fixed on the lifting bracket 4, and one end of the suspension rope 8 suspends the horizontal reinforcing strips 7. Adjacent horizontal reinforcing strips 7 are also connected by suspension ropes 8. The horizontal reinforcing strips 7 provide support for the integrated film 6, strengthening the structural strength of the greenhouse. At the same time, when the lifting bracket 4 descends, the integrated film 6 can be folded under the action of the horizontal reinforcing strips 7, so that the top covering film 5 and the integrated film 6 are connected as one, reducing the existence of gaps.

[0032] The top covering film 5 is V-shaped, and a water baffle 11 is fixedly installed on the side film 3 above the top covering film 5. The water baffle 11 blocks the gap between the side film 3 and the top covering film 5, so that the heating column 94 is at the highest point of the greenhouse, so that it can better absorb solar energy. The water baffle 11 can also block the gap between the side film 3 and the top covering film 5 when it rains, preventing external rainwater from entering the greenhouse.

[0033] A cultivation process for a film-film solar heat storage and disinfection greenhouse for leek cultivation, the process steps of which are as follows:

[0034] S1: When it is necessary to sterilize and disinfect the soil for long-term leek cultivation, the lifting device 2 lowers the lifting bracket 4 to the lowest point, so that the top covering film 5 is close to the ground, reducing the volume of the greenhouse and reducing the air resistance inside the greenhouse. Then, under the external sunlight, the temperature inside the greenhouse can rise rapidly, increasing the peak temperature, so as to disinfect leek maggots in the soil.

[0035] S2: The solar thermal storage device 9 is filled with water and absorbs solar energy under the sunlight during the day, converting the solar energy into heat energy. Since the bottom heating chamber 91 and the heat collection cylinder 93 are directly buried in the soil, the soil can be directly heated, which accelerates the heating efficiency of the soil and improves the sterilization effect on the soil. At the same time, the heat dissipation efficiency of water is lower than that of air. Therefore, at night, the heat energy of the water inside the solar thermal storage device 9 plays a certain role in keeping the soil warm and achieving a continuous sterilization effect. In addition, in order to continue heat storage and sterilization, hot water can be input into the solar thermal storage device 9 through the circulation pump and the solenoid valve 10 to ensure that the planting soil maintains a certain temperature at night and continues to sterilize the soil.

[0036] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A thin-film solar heat storage and disinfection greenhouse for leek cultivation, comprising a support frame (1), a drive motor, and a circulation pump, characterized in that, Also includes: The lifting device (2) is symmetrically fixed on the support (1), and the support (1) is also provided with a side film (3). The lifting device (2) is provided with a lifting bracket (4), which can be driven to lift the lifting bracket (4) vertically. The lifting bracket (4) is fixedly provided with a top covering film (5), and a connecting film (6) is fixedly connected to both sides of the top covering film (5). The bottom end of the connecting film (6) extends into the soil layer and is compacted with soil. The solar heat storage device (9) is set in the middle of the lifting support (4) and fixed in the soil. The interior of the solar heat storage device (9) is filled with water to absorb light and heat. Then, through the conduction of water, the heat energy is transferred to the soil to increase the temperature of the soil and kill maggots, pests and viruses in the soil.

2. The film-covered solar heat storage and disinfection greenhouse for leek cultivation according to claim 1, characterized in that: The lifting device (2) includes a ball screw device (21) and a worm gear transmission device (22). The ball sleeve of the ball screw device (21) is fixedly connected to the lifting bracket (4). The worm wheel of the worm gear transmission device (22) is fixedly connected to one end of the screw of the ball screw device (21). One end of the worm of the worm gear transmission device (22) is connected to the output end of the drive motor through a coupling to realize the lifting of the lifting bracket (4).

3. The film-film solar heat storage and disinfection greenhouse for leek cultivation according to claim 1, characterized in that: The solar thermal storage device (9) includes a bottom heating chamber (91) and a heating column (94). The bottom heating chamber (91) is completely buried in the soil, and a light guide column (92) is uniformly and vertically fixed on its top. A heat collection cylinder (93) is uniformly and fixed on the side of the bottom heating chamber (91), and the heat collection cylinder (93) is laid horizontally in the soil. The light guide column (92) is movably connected to the lifting bracket (4), and the heating column (94) is fixedly installed above the lifting bracket (4).

4. A film-covered solar heat storage and disinfection greenhouse for leek cultivation according to claim 3, characterized in that: The heating column (94) is semi-circular and hollow inside, filled with water to achieve a light-concentrating effect and transmit the light source to the light guide column (92); the light guide column (92) is a glass tube with an outer coating and an outer protective sleeve to transmit the light concentrated by the heating column (94) to the bottom heating chamber (91) and the heat collection cylinder (93). The bottom heating chamber (91) and the heat collection cylinder (93) are made of transparent plastic.

5. A film-covered solar heat storage and disinfection greenhouse for leek cultivation according to claim 4, characterized in that: A solenoid valve (10) is fixedly installed at one end of the heating column (94), and the solenoid valve (10) is connected to the circulation pump through a conduit.

6. A film-covered solar heat storage and disinfection greenhouse for leek cultivation according to claim 1, characterized in that: The integrated film (6) is uniformly provided with horizontal reinforcing strips (7), and the two ends of the horizontal reinforcing strips (7) are respectively movably connected to the bracket (1). The lifting bracket (4) is uniformly fixed with suspension ropes (8), and one end of the suspension ropes (8) suspends the horizontal reinforcing strips (7). Adjacent horizontal reinforcing strips (7) are also connected by suspension ropes (8).

7. A film-covered solar heat storage and disinfection greenhouse for leek cultivation according to claim 1, characterized in that: The top covering film (5) is in the shape of an octagon, and a water baffle (11) is fixedly installed on the side film (3) above the top covering film (5). The water baffle (11) blocks the gap between the side film (3) and the top covering film (5).

8. A cultivation process for a film-covered solar heat storage and disinfection greenhouse for leek cultivation, the process steps of which are as follows: S1: When it is necessary to sterilize and disinfect the soil for long-term leek cultivation, the lifting device (2) lowers the lifting bracket (4) to the lowest point, so that the top covering film (5) is close to the ground, reducing the volume of the greenhouse and reducing the air resistance inside the greenhouse. Then, under the external sunlight, the temperature inside the greenhouse can rise rapidly, increasing the peak temperature, so as to disinfect the leek maggots in the soil. S2: Fill the interior of the solar heat storage device (9) with water and absorb solar energy under the sunlight during the day to convert solar energy into heat energy. Since the bottom heating chamber (91) and the heat collection cylinder (93) are directly buried in the soil, the soil can be directly heated to accelerate the heating efficiency of the soil and improve the sterilization effect on the soil. At the same time, the heat dissipation efficiency of water is lower than that of air. Therefore, at night, the heat energy of the water inside the solar heat storage device (9) can play a certain role in keeping the soil warm and play a continuous sterilization effect. At the same time, in order to continuously store heat and sterilize, hot water can be input into the solar heat storage device (9) through the circulation pump and the solenoid valve (10) to ensure that the planting soil maintains a certain temperature at night and continuously sterilizes the soil.

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