JP5012733B2 - Local humidifier for hydroponics - Google Patents

Description

  The present invention relates to a local humidifier for hydroponics.

FIG. 5 is an explanatory view schematically showing an example of a humidifying method in the conventional hydroponic cultivation room 1.
The culture solution 4d is supplied to and stored in the cultivation shelf 2 arranged in the hydroponic cultivation room 1 by the culture solution circulation supply system 4 including the culture solution tank 4a, the supply pump 4b, and the piping 4c. The plant 3 cultivated by the cultivation shelf 2 is fed with the culture solution 4d and grown. In this seedling raising process, it is necessary to humidify the entire hydroponic cultivation room 1 in order to ensure the humidity set for raising the seedling of the plant 3 even though the plant 3 is short.

  For this reason, as shown in FIG. 5, the humidifier 6 for humidifying the whole hydroponic cultivation room 1 and its power supply 7 are arrange | positioned in the machine room 8 with the air conditioner 5, and the whole inside of the hydroponic cultivation room 1 is arrange | positioned. By supplying the humidified air 9 to the water, the humidity around the cultivation shelf 2 is managed to an appropriate value.

Patent Document 1 discloses an invention relating to an air conditioning system in such a plant cultivation room.
JP 2002-142585 A

  However, once the air 9 has been humidified, a great dehumidifying load is applied to the cooling coil of the air conditioner 5. Moreover, since the plant 3 produces a transpiration action as it grows, the inside of the hydroponics chamber 1 is kept at an appropriate humidity. Therefore, the period during which the humidifier 6 is required is the extreme of the cultivation period of the plant 3. It's only one time. Further, the humidifier 6 is inevitably large in order to humidify the entire hydroponic cultivation room 1, and a power source 7 for driving the humidifier 6 is also required.

  As a result of intensive studies to solve the above-mentioned problems, the present inventors have newly provided a humidifier capable of locally humidifying only the periphery of the plant arranged on the cultivation shelf, thereby The inventors have found that the problems can be solved, and have further studied to complete the present invention.

The present invention is installed above a cultivation shelf having a main body that accommodates a culture solution of the plant, which is arranged in a hydroponic cultivation room of the plant, and locally humidifies the periphery of the plant arranged on the cultivation shelf. Provided with a humidifying element and a humidifying water supply system for supplying humidifying water to the humidifying element , a plurality of humidifying elements are arranged in parallel in a direction substantially from one end side of the cultivation shelf to the other end. And the humidifying water supply system is inclined toward the direction toward the other end from the one end side to the side of the cultivation shelf, and the humidifying water supply pipe arranged on one end side. A local area for hydroponic cultivation, characterized by having a paddle for supplying humidifying water to the humidifying element by flowing the humidifying water supplied from the humidifying water supply pipe on one end side Humidifier.

In the present invention, the “periphery of a plant” means, for example, a space in the vicinity of a leaf of a plant at a stage where it has grown from a state of a seedling of about 5 cm to a height of about 30 cm.
In the local humidifier for hydroponic cultivation according to the present invention, the humidifying element includes a main body having water absorbability capable of absorbing the humidifying water, and absorbs water by an airflow in the vicinity of the main body, for example, an airflow directed from above to below. It is preferable to humidify the vaporized humidifying water. In this case, the humidifying element preferably has a folded portion that is folded in multiple stages in the installation direction, and more preferably includes a casing that surrounds at least the folded portion.

In these for hydroponics local humidifier according to the present invention, gutter, it is preferred that one by one arranged on both sides of the cultivation racks.

In these local humidifiers for hydroponics according to the present invention, it is preferable that the lower part of the main body of the humidifying element is disposed inside the cocoon and immersed in the humidifying water flowing through the inside.
Furthermore, in these local humidifiers for hydroponics according to the present invention, the main body of the cultivation shelf has a substantially rectangular planar shape, and the installation height on one end side in the longitudinal direction is the other end side. For example, it is arranged to be inclined so as to be higher than the installation height or horizontally.

  The local humidifier for hydroponic cultivation according to the present invention can keep the relative humidity around the hydroponically cultivated plant at a desired value simply and locally, and the humidified area is locally around the plant. By limiting to the area, the dehumidifying load of the air-conditioning cooling coil during the air-conditioning operation can be greatly reduced, and the installation of the air-conditioning humidifier can be omitted. Furthermore, since the humidification form is a vaporization type, the mechanism is simple and no humidification power source is required.

  Furthermore, the local humidifier for hydroponics according to the present invention can be easily removed after the plant has been brought to a sufficient transpiration as it grows and is kept at a suitable humidity. You can also.

Hereinafter, the best mode for carrying out the local humidifier for hydroponics according to the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a partially simplified perspective view illustrating a situation where hydroponics is performed using the local humidifier 10 for hydroponics according to the present embodiment. FIG. 2 is a view taken in the direction of arrow A in FIG. 3 is a view taken in the direction of arrow B in FIG. Furthermore, FIG. 4 is a C arrow view in FIG.

In the following description, the same constituent elements as those of the conventional hydroponic cultivation apparatus shown in FIG.
As shown in FIGS. 1-4, since the local humidifier 10 for hydroponics of this Embodiment is equipped with the humidification elements 11a-11e and the humidification water supply system 12, these components are demonstrated sequentially.

[Humidifying elements 11a to 11e]
As shown in FIG. 2, a cultivation shelf 2 having a main body 2 a that accommodates a culture solution 4 d of the plant 3 is disposed in the hydroponics chamber 1 of the plant 3. The main body 2a of the cultivation shelf shown in FIGS. 1 to 4 has a substantially rectangular planar shape, and the installation height on one end 2c side in the longitudinal direction (left-right direction in FIG. 2) is on the other end 2d side. It is arranged so as to be inclined so as to be higher than the installation height, whereby the culture solution 4d to be accommodated flows from the one end 2c side toward the other end 2d side, thereby promoting the raising of the plant 3 However, it is not limited to this form, and the main body 2a is horizontal so that the installation height on the one end 2c side is the same as the installation height on the other end 2d side. It may be configured so that the accommodated culture solution 4d is accumulated by being disposed in the area.

  The plant 3 cultivated on the cultivation shelf 2 is nurtured while being supplied with the culture solution 4d by the culture solution supply system 4. Since this cultivation shelf 2 is a well-known and conventional one for those skilled in the art, the further description regarding the cultivation shelf 2 is abbreviate | omitted.

  As shown in FIGS. 1 to 4, the humidifying elements 11 a to 11 e are bridged and installed above the cultivation shelf 2. As shown in FIGS. 1-4, in the local humidifier 10 for hydroponics of this Embodiment, a humidification element is headed in the direction which goes to the other edge part 2d from the one edge part 2c side of the cultivation shelf 2 to the other edge part 2d. The five humidifying elements 11a to 11d are arranged in parallel at equal intervals, but the present invention is not limited to this, and the number and setting intervals of the humidifying elements, and further the installation position, etc. Needless to say, it may be determined appropriately in consideration of the target humidity determined by the plant 3 to be nurtured.

  As shown in FIG. 1, each of the humidifying elements 11 a to 11 e has the folded portions 13 a to 13 e that are folded in multiple stages in the installation direction, and is supplied with a humidifying water supply system 12 to be described later. Main body 14a-14e which has water absorption which can absorb water. The main bodies 14a to 14e of the humidifying elements 11a to 11e are made of a nonwoven fabric or the like having water absorption (for example, a humidifying nonwoven fabric (MS200-KBH) manufactured by Mitsubishi Paper Industries, Ltd.).

  Moreover, the leg part which is the lower part of main body 14a-14e of humidification element 11a-11e is arrange | positioned in the state immersed in the humidification water which flows through the inside of the collars 17 and 18 mentioned later, as shown in FIG. The Thereby, the main bodies 14a to 14e of the humidifying elements 11a to 11e can absorb the humidifying water flowing through the flanges 17 and 18 by a capillary phenomenon.

  Since the main bodies 14a to 14e have the folded portions 13a to 13e, the contact area between the humidified water that has absorbed water and the air around the cultivation shelf 2 is increased, and the air around the cultivation shelf 2 is Since it becomes easy to flow around, the humidified water that has been absorbed can be easily vaporized by the air flow in the vicinity of the folded portions 13a to 13e, for example, the air flow from the top to the bottom, and only the periphery of the plant 3 on the cultivation shelf 2 can be Can be humidified.

  The main bodies 14a to 14e of the humidifying elements 11a to 11e do not necessarily have the folded portions 13a to 13e. Instead of having the folded portions 13a to 13e, the humidifying water and the cultivation shelf 2 such as a honeycomb-shaped portion are used. It is only necessary to have a shape that can increase the contact area with the surrounding air.

  Furthermore, as shown by the broken line in the extracted enlarged view in FIG. 1, each of the humidifying elements 11a to 11e further includes casings 15a to 15e that surround at least the folded portions 13a to 13e in the main bodies 14a to 14e. preferable. By providing the casings 15a to 15e, the deformation of the humidifying elements 11a to 11e can be prevented and the shape thereof can be maintained.

In this way, the humidifying elements 11a to 11e can locally humidify the periphery of the plant 3 of the cultivation shelf 2.
[Humidizing water supply system 12]
The local humidifier 10 for hydroponics of the present embodiment has a humidifying water supply system 12. The humidifying water supply system 12 is not limited to a specific type as long as the humidifying water can be supplied to the humidifying elements 11a to 11e described above.

  In this Embodiment, as the humidification water supply system 12, the water supply pipe 16 for humidification arrange | positioned at the one edge part 2c side of the cultivation shelf 2, and the side of the cultivation shelf 2 (in the example shown in FIGS. 1-4, both sides In the direction toward the other end 2d side, and the humidifying water supplied from the humidifying water supply pipe 16 is allowed to flow on the one end 2c side. Thus, the one having the ridges 17 and 18 for supplying the humidifying water to each of the humidifying elements 11a to 11e was used.

As shown in FIGS. 1 and 4, the straws 17 and 18 have a cross-sectional shape bent in a crank shape, and are provided by being hooked on the shoulder 2 e of the main body 2 a of the cultivation shelf 2.
As shown in FIG. 3, the end portions of the humidifying water supply pipe 16 are arranged close to the rods 17 and 18 so that the humidifying water supplied from the humidifying water supply pipe 16 flows inside. It is configured.

  As shown in FIG. 4, the shoulder 2e of the main body 2a of the cultivation shelf 2 is directed toward the inside so that the humidifying water flowing inside the straws 17 and 18 overflows into the cultivation shelf 2 side. It is desirable to incline.

  In the present embodiment, the humidification water supply system 12 is constituted by the humidification water supply pipe 16 and the rods 17 and 18, so that the humidification water supply system 12 can be configured extremely simply, and the manufacturing cost and maintenance are reduced. It is possible to reduce both the cost and the failure frequency.

The local humidifier 10 for hydroponics of this Embodiment is comprised as mentioned above. Next, the situation where hydroponics is performed using the local humidifier 10 for hydroponics shown in FIGS.
When the humidifying water is supplied from the humidifying water supply pipe 16 to the scissors 17 and 18, the humidifying water flows inside the scissors 17 and 18, whereby the main bodies 14a to 14e of the humidifying elements 11a to 11e are The water for humidification which flows through 17 and 18 is absorbed, and the water for humidification absorbed infiltrates uniformly the full length of the main body 14a-14e in the construction direction.

  As described above, the main bodies 14a to 14e have the folded portions 13a to 13e, so that the humidified water that has been absorbed and the air around the cultivation shelf 2 (supplied by the air conditioner 5 of the hydroponic cultivation room 1). Since the contact area is increased and the air around the cultivation shelf 2 easily flows around the cultivation shelf 2, the absorbed humidifying water can be easily vaporized by the airflow in the vicinity of the folded portions 13 a to 13 e. The humidified air 19 can be supplied only to the periphery of the plant 3 on the cultivation shelf 2 to humidify only the periphery of the plant 3.

  In addition, the water flow to the eaves 17 and 18 may be performed by controlling the electromagnetic valve 16a provided in the humidification water supply pipe 16 with a timer or a float switch installed inside the eaves 17 and 18.

  Thus, according to the local humidifier 10 for hydroponic cultivation of the present embodiment, the relative humidity of the air in the local area around the plant 3 to be hydroponically grown can be easily maintained at a desired value. Can do. For this reason, the humidifier 6 and its power supply 7 which had been conventionally arranged in the machine room 8 as shown in FIG. 5 can be omitted as shown in FIG. The dehumidifying load of the cooling coil can be greatly reduced.

Moreover, since the humidification form of this hydroponic local humidifier 10 is a vaporization type, the mechanism is simple and it is not necessary to provide a humidifying power source.
Furthermore, the local humidifier 10 for hydroponics according to the present embodiment can be easily used after a plant has a sufficient transpiration as it grows and is kept at an appropriate humidity. It can also be removed.

It is a perspective view which simplifies and shows partially the condition which performs hydroponics using the local humidifier for hydroponics of embodiment. It is A arrow directional view in FIG. It is a B arrow view in FIG. It is C arrow line view in FIG. It is explanatory drawing which shows typically an example of the humidification method of the conventional hydroponic cultivation room.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hydroponics room 2 Cultivation shelf 2a Main body 2c One end 2d The other end 2e Shoulder 3 Plant 4 Culture fluid circulation supply system 4a Culture fluid tank 4b Supply pump 4c Piping 4d Culture fluid 5 Air conditioner 6 Humidifier 7 Power supply 8 Machine room 9 Humidified air 10 Local humidifiers 11a to 11e for hydroponic cultivation Humidification element 12 Humidification water supply systems 13a to 13e Folded portions 14a to 14e Body 15a to 15e Casing 16 Humidity supply pipe 16a Solenoid valves 17 and 18 19 Humidified air

Claims (7)

A humidifying element that is placed in a hydroponic cultivation room of a plant, is laid over a cultivation shelf having a main body that accommodates the culture solution of the plant, and locally humidifies the periphery of the plant arranged on the cultivation shelf; A humidifying water supply system for supplying humidifying water to the humidifying element ;
A plurality of the humidifying elements are juxtaposed in a direction substantially from one end side of the cultivation shelf to the other end; and
The humidification water supply system is inclined toward a direction substantially going from the one end side to the other end side of the humidification water supply pipe arranged on the one end side and the side of the cultivation shelf. And a trough for supplying the humidifying water to the humidifying element by flowing the humidifying water supplied from the humidifying water supply pipe on the one end side. A local humidifier for hydroponics.   The hydroponic according to claim 1, wherein the humidifying element includes a main body having water absorbability capable of absorbing the humidifying water, and humidifies the liquid by evaporating the humidifying water absorbed by an airflow in the vicinity of the main body. Local humidifier for cultivation.   The main body of the said humidification element is a local humidifier for hydroponic cultivation described in Claim 2 which has the folding | returning part of the shape folded in multiple steps in the installation direction.   The said humidification element is a local humidifier for hydroponics described in Claim 3 provided with the casing which surrounds the said folding | turning part at least. The gutter is topical humidifier for hydroponics according to claim 1 which is disposed one by one on both sides of the cultivation racks. The local humidifier for hydroponic cultivation according to claim 1 or 5 , wherein a lower portion of the main body of the humidifying element is disposed inside the tub and immersed in humidifying water flowing through the interior. Whether the main body of the cultivation shelf has a substantially rectangular planar shape and is disposed so as to be inclined such that the installation height on one end side in the longitudinal direction is higher than the installation height on the other end side. Or the local humidifier for hydroponics described in any one of Claim 1- Claim 6 arrange | positioned horizontally.

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