JPH0633452U - Spray type hydroponics device - Google Patents

Abstract

(57) [Abstract] [Purpose] A hydroponic cultivation apparatus that is compact and can be installed at low cost by eliminating the mechanism for supplying oxygen and using both the solution tank and the nursery tank. [Structure] A cultivation panel 1 having a hole 1a for projecting a root of a plant 2 inward to support the plant 2, and a nutrient solution spraying mechanism having a nozzle 3 for spraying a nutrient solution to the root of the plant 2. ,
The recovery groove 9 for recovering the sprayed solution and the nutrient solution tank 7 for receiving the nutrient solution while collecting the nutrient solution and receiving the nutrient solution recovered by the recovery groove 9 are provided, and the nutrient solution tank 7 also serves as a nursery tank. The seedlings are raised on a seedling raising panel 10 provided above the nutrient solution tank 7.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a spray-type hydroponic cultivation apparatus capable of performing work from raising seedlings to cultivation with good workability and economically, and is intended to be compact and cost-effective so as to be most suitable for home use.

[0002]

[Prior art]

 In hydroponics, two important issues have traditionally been how to maintain the roots of plants and how to supply nutrients and oxygen to the roots. With respect to the above, various methods have been devised, and various types of hydroponic cultivation devices have been proposed. For example, Japanese Utility Model Laid-Open No. 58-85949 discloses a device for cultivating a plant on a cultivation tank, and when the nutrient solution is supplied from a nutrient solution tank separately provided in the cultivation tank, the nutrient solution is fed toward the cultivation tank. There is disclosed a device which is provided with a device for injecting oxygen to supply oxygen to the nutrient solution. Further, in Japanese Utility Model Laid-Open No. 56-28657, a nutrient solution tank for replenishing a nutrient solution to a cultivation tank is formed of two chambers, a retention chamber and a delivery chamber, and air cells are transferred from the retention chamber to the delivery chamber. Disclosed is a hydroponic cultivation device in which the dissolved oxygen in the nutrient solution is increased by feeding the solution by the airlift effect.

[0003]

[Problems to be solved by the device]

 In the above-mentioned hydroponic cultivation apparatus, it is necessary to provide a solution tank separately from the cultivation tank and a mechanism for supplying oxygen to the solution separately. Since there is a need to install a tank, it has the drawbacks that it requires a large space and the equipment cost is very high.

Therefore, in view of such circumstances, the present invention eliminates the above-mentioned mechanism for supplementing oxygen and makes the solution tank and the nursery tank both serve as a solution tank, so that the hydroponics can be compact and can be installed at low cost. The purpose is to provide a cultivation device.

[0005]

[Means for Solving the Problems]

 A spray-type hydroponic cultivation apparatus according to the present invention which achieves the above-mentioned object, comprises a cultivation panel having a hole for supporting a root of a plant by projecting the root of the plant inward, and from the inside of the cultivation panel, A nutrient solution spraying mechanism for spraying and supplying the nutrient solution to the roots of the plant; a solution collecting means provided in the lower inner part of the cultivation panel for collecting the solution sprayed by the nutrient solution spraying mechanism; A nutrient solution tank that fills the nutrient solution to be supplied to the solution spraying mechanism and receives the nutrient solution that is collected by the nutrient solution collecting means, and a root of the seedling that is provided above the nutrient solution tank and projects downward. And a panel for growing seedlings, which has a hole for supporting the seedling and which directly immerses the root of the seedling supported by the hole in the nutrient solution in the nutrient solution tank to raise the seedling. .

[0006]

[Action]

 In the above configuration, a seedling raising panel is provided on the nutrient solution tank, and the roots of the seedlings supported by the seedling raising panel are directly immersed in the nutrient solution in the nutrient solution tank to raise seedlings. No need to provide. Further, in the above configuration, the nutrient solution in the nutrient solution tank is continuously atomized by the nutrient solution spraying mechanism and is supplied to the root of the plant in a state of being in contact with air and being sufficiently supplemented with oxygen. At the same time, the sprayed nutrient solution is collected in the nutrient solution tank in a state where dissolved oxygen is increased, so that it is not necessary to provide a mechanism for supplying oxygen separately.

[0007]

【Example】

 Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view of a spray-type hydroponic cultivation apparatus according to the first embodiment, FIG. 2 is a front view thereof, and FIG. 3 is a side view thereof. As shown in these drawings, the cultivation panel 1 has a large number of plant supporting holes 1a for supporting the plant 2 by projecting the root of the plant 2 inward on a slope inclined at about 45 degrees. There is. A nozzle 3 for spraying and supplying the nutrient solution toward the root of the plant body 2 is arranged inside the cultivation panel 1, and the nutrient solution in the nutrient solution tank 7 adjacent to the cultivation panel 1 is provided. The liquid is sucked up by the pressure pump 5 through the water suction port 6, is pressure-fed to the nozzle 3 through the pipe 4, and is sprayed. That is, in the present embodiment, the nozzle 3, the pipe 4, the pressure pump 5 and the water inlet 6 form a nutrient solution spraying mechanism. In addition, a bottom plate 8 that is inclined toward the center is provided in the lower inner stage of the cultivation panel 1, and a recovery groove 9 that is inclined and communicates toward the upper end of the nutrient solution tank 7 is formed in the center thereof. The bottom plate 8 and the recovery groove 9 are the nutrient solution recovery means of this embodiment. In this case, the nutrient solution tank 7 itself may be provided to the lower side of the cultivation panel 1 without providing the bottom plate 8 and the recovery groove 9 to serve as the nutrient solution recovery means. Further, the above-mentioned nutrient solution tank 7 also serves as a nursery tank, and the roots of the seedlings 11 are projected downward on the upper side of the nutrient solution tank 7 and directly immersed in the nutrient solution in the nutrient solution tank 7. A seedling raising panel 10 having a large number of seedling supporting holes 10a for raising seedlings is installed. The seedling raising panel 10 may be provided so as to float directly on the liquid surface of the nutrient solution tank 7.

In such an apparatus, the seedlings raised on the post-emergence seedling raising panel 10 are planted in the cultivation panel 1 (meaning transplanting seedlings), and the nutrient solution is sprayed and supplied from the nozzle 3. Be raised. The nutrient solution sprayed from the nozzle 3 on the bottom plate 8 flows in the recovery groove 9 in a state where the nutrient solution is in contact with the air and the dissolved oxygen is increased, and is recovered in the nutrient solution tank 7. It should be noted that the water level in the nutrient solution tank 7 is preferably such that it comes into contact with the nursery panel 10.

FIG. 4 is a perspective view of the spray-type hydroponic cultivation apparatus according to the second embodiment. In this example, the cultivation panel 1 is curved in a bulge shape. As a result, since the distance between the nozzle 3 and the root of each plant 2 planted in the cultivation panel 1 becomes substantially the same, a more uniform spray state can be obtained and a plant with a uniform growth state can be harvested.

FIG. 5 is a perspective view of the spray-type hydroponic cultivation apparatus according to the third embodiment, and FIG. 6 is a sectional view taken along the line AA. In this example, the cultivation panel 1 is formed into a substantially conical shape, and the cultivation panel 1 is installed in the center of a circular nutrient solution tank 7, and the donuts are arranged around the cultivation panel 1. A seedling raising panel 10 is provided. The nutrient solution sprayed by the nozzle 3 is directly collected in the nutrient solution tank 7. That is, in this embodiment, the nutrient solution tank 7 itself serves as the nutrient solution collecting means. By thus forming the cultivation panel 1 into a substantially conical shape, the appearance is improved and the cultivation efficiency is further improved.

FIG. 7 shows a spray-type hydroponic cultivation apparatus according to the fourth embodiment. In this embodiment, the apparatus of the first embodiment is provided with a cultivation room which is entirely covered by the frame 12 and the glass 13. By providing a cultivation room like this, it will be less likely to be affected by outside air and more uniform cultivation will be possible. Further, in this embodiment, the heater portion 14 is provided so that the temperature in the cultivation room can be raised, so that cultivation can be performed even in winter.

Although various embodiments have been described above, the present invention is not limited to these. In the spray type hydroponic cultivation apparatus of the present invention, the material of the cultivation panel 1 and the seedling raising panel 10 is preferably foamed polystyrene, synthetic resin, reinforced plastic (FRP, etc.), ceramics, stainless steel and the like. Further, the nozzle 3 may be a fixed type or a rotary type, and a more uniform spray state can be obtained when the nozzle 3 is of the rotary type. Further, when the cultivation panel 1 is installed all around the nozzle 3 as in the third embodiment, a rotary nozzle is suitable, but the cultivation panel 1 itself is further centered around the nozzle 3. You may make it rotate.

The spray-type hydroponic cultivation apparatus of the present invention is suitable for home use because it can grow seedlings and grow and is compact, and the plants to be cultivated are lettuce, spinach, strawberries, shungiku, Komatsuna and Saladana are suitable. As the illumination source, sunlight or artificial light may be used alone, or both may be used together.

[0015]

[Effect of device]

 As described above in detail with reference to the examples, the spray-type hydroponic cultivation apparatus according to the present invention has a mechanism for making the nutrient solution tank also serve as a nursery tank and further for supplying oxygen to the nutrient solution. Instead, the nutrient solution with the oxygen concentration increased by spraying can be used as it is for growing seedlings, so it is very compact and low-cost that the same nutrient solution can be used from seedling raising to cultivation. It is a device. In addition, the workability of raising seedlings, planting, cultivation, and harvesting is good, and the handling is simple, so it is ideal for home use.

[Brief description of drawings]

FIG. 1 is a perspective view of a spray-type hydroponic cultivation apparatus according to a first embodiment.

FIG. 2 is a front view of FIG.

FIG. 3 is a side view of FIG.

FIG. 4 is a perspective view of a spray-type hydroponic cultivation apparatus according to a second embodiment.

FIG. 5 is a perspective view of a spray-type hydroponic cultivation device according to a third embodiment.

6 is a cross-sectional view taken along the line AA of FIG.

FIG. 7 is a perspective view of a spray-type hydroponic cultivation device according to a fourth embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cultivation panel 1a Plant support hole 3 Nozzle 5 Pressure pump 7 Nutrient solution tank 8 Bottom plate 9 Recovery groove 10 Raising seedling panel 10a Seedling support hole

Claims (5)

[Scope of utility model registration request] 1. A cultivation panel having a hole for supporting a plant by projecting a root of the plant inward, and a nutrient solution for spraying and supplying a nutrient solution from the inside of the cultivation panel to the root of the plant. A spraying mechanism, a solution collecting means for collecting the solution sprayed by the nutrient solution spraying mechanism provided on the lower inner side of the cultivation panel, and a nutrient solution supplied to the nutrient solution spraying mechanism together with the solution. A nutrient solution tank for receiving the nutrient solution collected by the nutrient solution collecting means, and a hole provided above the nutrient solution tank and supporting the seedling by projecting the roots of the seedling downward are provided in the hole. A spray-type hydroponic cultivation device comprising the seedling raising panel for directly raising the roots of the supported seedlings in the nutrient solution in the nutrient solution tank to raise the seedlings. 2. The spray-type hydroponic cultivation device according to claim 1, wherein the cultivation panel has a medium bulge shape. 3. A gable-shaped cultivation panel.
The spray-type hydroponic cultivation apparatus described. 4. The cultivation panel has a substantially conical shape.
The spray-type hydroponic cultivation apparatus described. 5. The spray-type hydroponic cultivation apparatus according to claim 1, wherein the cultivation panel has a hemispherical shape.