Device for growing plants

 

(57) Abstract:

Usage: agriculture, field crop production in buildings protected ground. The inventive device for growing plants includes a system of cultivation, including vegetation blocks of pairwise connected by inclined beams with mounted trays for growing plants, the irradiation system. In addition, each source of radiation of the latter attached to the outer surface at the bottom of the corresponding tray with plants, in addition to the trays of the lower tier of the vegetation units. The invention allows to increase the yield of plants grown crops. 6 C. p. F.-ly, 4 Il.

The invention relates to agriculture, in particular to plants in greenhouses, greenhouses with artificial additional light.

A device for growing plants containing the system of cultivation, including vegetation blocks, made in the form of pairwise connected by inclined beams, in which tiered installed trays with plants, and the irradiation system including a source of optical radiation (Greenhouse square 1190 m2with tiered hydroponic technology at the farm "suburb North-East, what about it is not ensured uniformity of exposure cenosis, because with the removal of plants from sources of exposure illumination significantly (quadratic dependence) falls. In addition, the light is not enough penetrates deep into the cenosis and inside frames, which reduces the yield of crops.

The task was to create a device for growing plants, which ensures the uniformity of irradiation plants, internal parts cenosis.

The claimed invention solved the problem of ensuring the uniformity of irradiation plants, improve yield, reduce energy consumption.

A device for growing plants containing the system of cultivation, including vegetation blocks, made in the form of pairwise connected by inclined beams, in which tiered installed trays with plants, and the irradiation system including a source of optical radiation. According to the invention, each optical radiation source attached to the outer surface of this part of the corresponding tray with plants, in addition to the trays of the lower tier of each vegetation unit.

In the preferred embodiment, each optical radiation source is placed in the zone of junction of the bottom and side, the most in the m telescopic holder.

In the zone of junction of the bottom and side, farthest from the corresponding inclined bolt surfaces of each tray is made cylindrical groove, the surface of which is covered with a reflective layer, and the radius of curvature of the specified slot is chosen in the range R2(0,04 0,06)l1and the radius of curvature of the outer reflector in the range R3(0,6 - 0,7)l1where l1the distance between the cylindrical grooves of the tray adjacent tiers of each inclined bolts.

Preferably each tray with plants installed external reflector, the corresponding part of the surface of which facing the tray upper tiers of this inclined bolts coated material with a maximum transmittance of the incident optical flow, respectively, in the spectral ranges of 400-500 nm, 500-600 nm and 600-700 nm.

Each optical radiation source is mounted for placement on the distance from the center of symmetry of the cenosis downstream of the tray, where R1the radius of the cenosis of the corresponding tray.

In Fig. 1 shows a diagram of a device for growing plants; Fig. 2 a fragment of the device of Fig. 3 scheme of the irradiation plants; Fig.4 tray system of cultivation, including vegetation blocks, made in the form of pairwise connected by inclined beams 2, in which tiered set tray 3 for growing plants 4. The irradiation system includes a source of optical radiation 5, placed in the zone of junction of the bottom 6 and side 7, the most remote from the respective inclined bolt 2, surfaces of the respective tray 3. Each optical radiation source 5 is fixed by means of the telescopic holder 8 on the outer surface of the bottom 6 of the tray 3 with plants 4, except the trays of the lower tier of each vegetation unit. In the zone of junction of the bottom 6 and side surfaces 7 of each tray 3 is cylindrical groove 9, the surface of which is covered with a reflective layer. Fixed on each tray 3, the holder 10 is set to the external reflector 11. The surface areas of the outer reflector 11 facing the tray 3 upper tiers of this inclined bolt 2, covered with material filters with a maximum transmittance of the incident optical flow, respectively, in the spectral ranges of 400 to 500 nm, 500 to 600 nm and 600 to 700 nm. Filters applied or strips, or layers within the ranges shown above. When this dot in the range R2(0,04 - 0,06)l1and the radius of curvature of the outer reflector 10 in the range R3(0,6 0,7)l1where l1the distance between the cylindrical grooves 9 of the adjacent tiers of each inclined bolt 2.

Each optical radiation source 5 sets with the possibility of placing on the distance from the center of symmetry of the cenosis downstream of the tray 3, where R1the radius of the cenosis of the corresponding tray 3.

In the system of the exposure radiation sources 5 made in the form of extended sources fluorescent lamps, mounted on telescopic holders 8, pivoted in the groove 9 of the tray 3. Through rotary coupling 13 lamp 5 in the holder 8 can be rotated around an axis parallel to the axis of the lamp 5 via the actuator 14.

Feed system the nutrient solution in the tray 3 with plants contains a pipe 15 of the nutrient solution, the collector 16 of the solution, the discharge pipe 17 of the nutrient solution, the pipes 18 and 19 supply and discharge of the solution directly in the trays 3.

In Fig.2 shows the 20 pots with plants, cenosis of which is indicated by the position 21 position 22 cover of tray 3.

Device for growing plants is as follows.

With the growth of the plants 4 and ascending cenosis 21 lamp reset in the optimum position for maximum and uniform illumination of plants. Luminous flux from the lamp 5 passes through the cenosis 21 and is supplied to the outer reflector 11, which filters regulate spectral composition, increasing, for example, "red" absorbing component and green light component. Installation of lamps 5 defined cenosis position is performed with the help of telescopic holder 8 and the rotary coupling 13. Light emitted by the lamp 5, is reflected from the surface of the cylindrical groove 9 on the tray 3, and is sent to the cenosis 21.

Using a device for growing plants with radiation sources mounted on the bottom tray, and equipping it with reflectors provides an approximation of the radiation sources to the cenosis, reduces the loss of light energy, the light inside the cenosis, improves the radiation mode in the cenosis and allows these to increase the yield of crops.

1. Device for versiani the United inclined beams, where tiered installed trays with plants, and the irradiation system including a source of optical radiation, characterized in that each optical radiation source mounted on the outer surface of the bottom part of the corresponding tray with plants, in addition to the trays of the lower tier of each vegetation unit.

2. The device under item 1, characterized in that each optical radiation source is placed in the zone of junction of the bottom and side, farthest from the corresponding inclined bolts, surfaces of the respective tray.

3. The device according to p. 2, characterized in that each optical radiation source is fixed by means of the telescopic holder.

4. The device according to p. 2, characterized in that in the zone of junction of the bottom and side, farthest from the corresponding inclined bolt surfaces of each tray is made cylindrical groove, the surface of which is covered with a reflective layer.

5. The device according to p. 3, characterized in that each tray with plants installed external reflector, the corresponding part of the surface of which facing the tray upper tiers of this inclined bolts, covered with material onah 400-500, 500-600 and 600-700 nm.

6. The device according to p. 4, characterized in that the radius of curvature of the specified slot is chosen in the range R2(0,04 0,06)l1and radius R3curvature of the outer reflector in range (0,6 0,7)l1where l1- the distance between the cylindrical grooves of the tray adjacent tiers of each inclined bolts.

7. The device according to p. 3, characterized in that each optical radiation source is installed with the possibility of placing at a distance of l2(1/3 - 2/3)R1from the center of symmetry of the cenosis downstream of the tray, where R1the radius of the cenosis of the corresponding tray.

 

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