Novel corn cultivation and seedling raising device

Abstract

The utility model discloses a novel corn cultivating and seedling raising device, and belongs to the technical field of corn planting. The device comprises a combined seedling raising frame, a layered seedling raising system, a precise spraying assembly and a bud promoting and light supplementing module. The seedling raising frame is composed of stand columns and a seedling raising frame, and supporting strips are arranged at the bottom of the seedling raising frame and used for bearing PP seedling raising plates with air holes. The spraying assembly adopts a circulating water pipe and a 60-degree conical atomizing nozzle, so that no-dead-corner wetting is realized; the light supplementing module integrates red light and blue light LEDs, and seed germination is accelerated; rectangular fixing grooves and pressing strips are arranged on the surface of the seedling raising frame, and film second-level fixing and germination observation are achieved. The device solves the problems of slow seedling emergence, easy water accumulation and tedious operation of traditional seedling raising through the collaborative design of adjustable layer height, spectrum bud promotion and accurate spraying, and improves the seedling raising efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of corn planting technology, specifically relating to a novel corn planting and seedling raising device. Background Technology

[0002] There are many varieties of corn. Some corn, like sweet corn, is edible and delicious, while others, like glutinous corn, are dry and can only be dried and fed to livestock. Sweet corn is mostly grown using seedling transplanting instead of direct sowing. This ensures early maturity, robust seedling growth, and quick market access. Traditional seedling cultivation involves filling seedling trays with nutrient substrate, watering them, and then planting individual corn seeds into each seedling hole. The trays are then neatly arranged outdoors to germinate. This method requires a large area for the seedling trays, resulting in significant space consumption. Furthermore, irrigation is inconvenient, as water spraying can easily wash the seeds out of the holes. Corn also has a long germination period; sunlight alone cannot germinate the seeds quickly. Farmers cannot transplant quickly to shorten the growth time, potentially missing the market window and resulting in lower prices. Utility Model Content

[0003] In order to overcome the problems in the background art, this utility model provides a novel corn planting and seedling raising device.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution:

[0005] A novel corn seedling cultivation device includes:

[0006] The modular seedling rack consists of four L-shaped uprights and four layers of horizontal seedling frames. Each upright is composed of two symmetrically interlocking L-shaped galvanized steel profiles, with a support plate on its inner right-angled surface. The four corners of the seedling frames are installed on the support plates, and the seedling frames can be adjusted in 45-55cm intervals through positioning holes and fastening bolts on the uprights.

[0007] The layered seedling system has parallel anti-slip support strips welded to the bottom of each seedling frame, with a spacing of 20cm between the support strips. A PP seedling tray with ventilation holes is placed on the support strip.

[0008] The precision spraying assembly includes a fixing strip spanning both sides of the seedling rack and a serpentine PVC circulating water pipe. The circulating water pipe is fixed below the fixing strip by plastic clamps. Atomizing nozzles that spray downwards are provided every 15cm along the pipe, and the nozzles have a 60° conical coverage angle.

[0009] The bud-promoting supplemental lighting module includes two mounting rods installed horizontally between the fixing bars. Each mounting rod has a height-adjustable supplemental lighting bracket suspended below it. The bracket integrates two independent light source modules: a 660±5nm red LED and a 450±5nm blue LED.

[0010] Furthermore, the upper surface of the seedling frame is provided with a rectangular fixing groove with a depth of 3mm. Two sets of vertically intersecting plastic strips are symmetrically arranged in the groove. After the matching moisturizing film is unfolded, it can be quickly fixed and disassembled by pressing the plastic strips.

[0011] Furthermore, the inlet and outlet of the circulating water pipe are located on the same side, and a manual flow valve is installed on the inlet.

[0012] Furthermore, the height of the inner frame of the seedling frame is greater than the height of the seedling tray.

[0013] The beneficial effects of this utility model are:

[0014] (1) Improved space utilization: The adjustable floor height design adapts to different growth stages, increases the seedling capacity per unit area, and reduces space occupation;

[0015] (2) Improved irrigation effect: Irrigation through atomizing nozzles can effectively save water and avoid excessive water flow that washes the seeds out of the soil and damages the seeds;

[0016] (3) Shortened germination cycle: The red-blue light combined spectrum significantly enhances seed metabolic activity;

[0017] (4) Improved operational efficiency: The film strip can quickly fix and remove the moisturizing film without the need for auxiliary tools. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a three-dimensional schematic diagram of the device of this utility model;

[0020] Figure 2 This is an exploded schematic diagram of the device of this utility model;

[0021] Figure 3 This is a schematic diagram of the seedling rack structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the seedling frame structure of this utility model;

[0023] Figure 5 This is the utility model Figure 4 Enlarged view of a portion of point A in the middle;

[0024] Figure 6 This is a schematic diagram of the column structure of this utility model;

[0025] 1-Column, 2-Seedling frame, 21-Fixing groove, 22-Plastic pressure strip, 3-Fasting bolt, 4-Supporting strip, 5-Seedling tray, 6-Fixing strip, 7-Circulating water pipe, 8-Plastic clamp, 9-Nozzle, 10-Installation rod, 11-Support plate, 12-Positioning hole, 13-Red LED, 14-Blue LED, 15-Water inlet, 16-Water outlet, 17-Manual flow valve. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] Example 1

[0028] See Figures 1 to 6 This utility model discloses a novel corn seedling cultivation device, comprising:

[0029] The modular seedling rack consists of four L-shaped uprights 1 and four horizontal seedling frames 2. Each upright is composed of two symmetrically interlocked L-shaped galvanized steel profiles, with a support plate 11 on its inner right-angled surface. The seedling frames 2 are installed on the support plates 11 at their four corners. The seedling frames 2 can be adjusted in spacing of 45-55cm through positioning holes 12 and fastening bolts 3 on the uprights. The uprights 1 are formed by symmetrically interlocking two L-shaped galvanized steel profiles, with a 3mm thick support plate 11 welded to the inside. The four seedling frames 2 are installed on the support plates 11 through the four corner slots.

[0030] The layered seedling system has parallel anti-slip support strips 4 welded to the bottom of each seedling frame 2, with a spacing of 20cm between the support strips 4. A PP seedling tray 5 with ventilation holes is placed on the support strips 4.

[0031] The precision spraying assembly includes a fixing strip 6 spanning both sides of the seedling rack and a serpentine PVC circulating water pipe 7. The circulating water pipe 7 is fixed below the fixing strip 6 by a plastic clamp 8. Atomizing nozzles 9 that spray downwards at an angle are provided on the pipe every 15cm. The nozzles 9 have a 60° conical coverage surface with water outlet angle.

[0032] The bud-promoting supplemental lighting module includes two mounting rods 10 horizontally installed between the fixing bars 6. Each mounting rod 10 has a height-adjustable supplemental lighting frame suspended below it. The frame integrates two independent light source modules: a 660±5nm red LED 13 and a 450±5nm blue LED 14.

[0033] It should be noted that during assembly, the four L-shaped galvanized steel columns 1 are symmetrically fastened together, and the four-layer seedling frame 2 is supported by the support plate 11. When adjusting the layer height, loosen the fastening bolts 3, move the frame to the target positioning hole 12 and then lock it (layer spacing 45-55cm). Place the seedling tray 5 on the anti-slip support strip 4, turn on the supplementary lighting fixture, and irradiate for 8 hours a day with red LED 13 and blue LED 14 at a ratio of 1:2. Open the manual flow valve 17 and spray the misting nozzle 9 at a 60° cone angle. Finally, cover with a moisturizing film.

[0034] The spectral mechanism of the bud-promoting supplemental lighting module is mainly as follows:

[0035] ①660±5nm red light: activates the phytochrome PhyB, promotes gibberellin synthesis, and breaks seed dormancy.

[0036] ②450±5nm blue light: stimulates cryptochrome CRY1, enhances amylase activity, and accelerates endosperm decomposition.

[0037] Implementation method:

[0038] Lighting configuration: Two LED lights are installed on each floor, with a light intensity ratio of 2:1 between red LED13 and blue LED14;

[0039] Hanging adjustment: Initial height of the light stand 40cm from the seedling tray (light intensity: red light 120μmol / m²) 2 / s, blue light 60μmol / m 2 / s);

[0040] Photoperiod control: During the pre-germination stage, provide 16 hours of light daily (6:00-22:00). After germination, adjust to 12 hours of light daily (7:00-19:00). Dynamic adjustment: Raise the light stand by 5cm every 3 days to maintain optimal light intensity (red light attenuated to 80μmol / m²). 2 Reset height every / s).

[0041] Comparative test data

[0042]

[0043] In conclusion, the use of germination-promoting and light-supplementing modules can shorten the germination time of corn, allowing farmers to quickly transplant them into the field and sell them at good prices during the peak sales season.

[0044] Example 2

[0045] See figure Figure 4 , Figure 5 As shown in this embodiment, the upper surface of the seedling frame 2 is provided with a rectangular fixing groove 21 with a depth of 3mm. Two sets of vertically intersecting plastic strips 22 are symmetrically arranged in the groove. After the matching moisturizing film is unfolded, it can be quickly fixed and disassembled by pressing the plastic strips 22.

[0046] When laying the film, unfold the moisturizing film and lay it flat on the seedling frame 2, aligning the edge of the film with the rectangular fixing groove 21. Press the two sets of cross-shaped plastic strips 22 into the groove. The anti-slip texture at the bottom of the strips will fit tightly against the groove wall. Fixing is completed within 10 seconds. After germination, the film can be quickly removed by lifting the two ends of the strips upwards.

[0047] Example 3

[0048] See Figure 2 , Figure 3 Figure 4 As shown, the inlet 15 and outlet 16 of the circulating water pipe 7 are located on the same side, and a manual flow valve 17 is installed on the inlet 15. During installation of the sprinkler system, connect the water pump to the same side of the inlet 15 and outlet 16 of the circulating water pipe 7, and adjust the manual flow valve 17 to a flow rate of 200 mL per minute. The sprinkler system irrigates the seedling trays 5 until the seedling substrate is completely moistened, then the manual flow valve 17 is closed.

[0049] The height of the inner frame of the seedling frame 2 is greater than the height of the seedling tray 5.

[0050] The inner frame of the seedling frame 2 is designed to be 12cm high, and the seedling tray 5 is 6cm high. After the film is laid, six cavities are formed between the film and the substrate in the tray. Seed germination can be clearly observed through the film. When 80% of the seeds show white sprouts, the film should be removed immediately to prevent high temperature burns.

[0051] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A novel corn seedling cultivation device, characterized in that, include: The modular seedling rack consists of four L-shaped columns (1) and four horizontal seedling frames (2). Each column (1) is composed of two symmetrically interlocked L-shaped galvanized steel profiles, with a support plate (11) on its inner right-angled surface. The seedling frames (2) are installed on the support plates (11) at their four corners. At the same time, the seedling frames (2) can be adjusted to a spacing of 45-55cm through the positioning holes (12) and fastening bolts (3) on the columns (1). The layered seedling system has parallel anti-slip support strips (4) welded to the bottom of each seedling frame (2), with a spacing of 20cm between the support strips (4), and a PP seedling tray (5) with ventilation holes is placed on the support strips (4). The precision spraying assembly includes a fixing strip (6) spanning both sides of the seedling rack and a serpentine PVC circulating water pipe (7). The circulating water pipe (7) is fixed below the fixing strip (6) by a plastic clamp (8). Atomizing nozzles (9) that spray downwards are provided every 15cm along the pipe. The nozzles (9) have a 60° conical coverage angle. The bud-promoting supplemental lighting module includes two mounting rods (10) installed horizontally between the fixing strips (6). Each mounting rod (10) has a liftable supplemental lighting frame suspended below it. The frame integrates two independent light source modules: a 660±5nm red LED (13) and a 450±5nm blue LED (14).

2. The novel corn seedling cultivation device according to claim 1, characterized in that, The seedling frame (2) has a rectangular fixing groove (21) with a depth of 3mm on its upper surface. Two sets of vertically intersecting plastic strips (22) are symmetrically arranged in the groove. After the matching moisturizing film is unfolded, it can be quickly fixed and disassembled by pressing the plastic strips (22).

3. The novel corn seedling cultivation device according to claim 1, characterized in that, The inlet (15) and outlet (16) of the circulating water pipe (7) are located on the same side, and a manual flow valve (17) is installed on the inlet (15).

4. The novel corn seedling cultivation device according to claim 1, characterized in that, The height of the inner frame of the seedling frame (2) is greater than the height of the seedling tray (5).

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