JP2012095622A - Nutrient solution-circulating type plant cultivation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a nutrient solution-circulating type plant cultivation device structured as follows: cultivation racks can be drawn out without stopping circulation of nutrient solution while being a plant growing device in which water, the nutrient solution and/or the like is circulated; and thus plants implanted on the upper steps or the inner parts of the cultivation racks can be easily picked.SOLUTION: The nutrient solution-circulating type plant cultivation device is structured as follows: a nutrient solution circulating-subsidiary material 4 composed of a nutrient solution-receiving material 4a receiving the nutrient solution discharged from a water discharge pipe 3, and a supply pipe 4b for supplying the nutrient solution discharged to the nutrient solution-receiving material 4a to the cultivation racks 2, is set between the cultivation racks 2 at a position where horizontal movement of the cultivation racks 2 is not disturbed; and the water discharge pipe 3 moves on the nutrient solution-receiving material when horizontally moving the cultivation racks 2, so that the nutrient solution can be circulated without a delay in each of conditions where the cultivation racks 2 do not horizontally move, where they are in the course of horizontal movement, and where they complete the horizontal movement.

Description

  The present invention relates to a hydroponic plant cultivation apparatus that cultivates a plant by circulating a nutrient solution.

  Conventionally, it is a plant growth device that stacks multiple growth units in multiple stages, and it is provided with a storage tank for storing water and nutrient solution, and a water supply pipe and a drain pipe for each stage of the growth unit. There is a type in which water and nutrient solution are circulated through all the cultivating units through drainage pipes and water supply pipes at each stage. (For example, patent document 1). Moreover, in the plant cultivation shelf which consists of a plurality of stages of cultivation shelves, each shelf can be pulled out, so that even plants planted on the upper stage of the shelf or the back side of the shelf can be easily harvested (For example, Patent Document 2).

JP 2004-121074 A JP 2006-294595 A

  However, in the plant growing apparatus that circulates water and nutrient solution as in Patent Document 1, since the circulation of water and nutrient solution is considered first, the structure is not configured so that each unit can be pulled out. There is a problem that it is difficult to pluck plants planted in the back of the unit. Moreover, in the case of the structure where the cultivation shelf can be pulled out as in Patent Document 2, the structure for circulating water and nutrient solution is not taken.

  In view of the above problems, the present invention enables the cultivation shelf to be pulled out without stopping the circulation of the nutrient solution, even if it is a plant growing device that circulates water, nutrient solution, etc. An object of the present invention is to provide a nutrient solution circulation type plant device capable of easily plucking a plant planted in the back.

  The above-mentioned problem is provided with a plurality of horizontally movable cultivation shelves with drainage pipes, a nutrient solution storage tank for supplying nutrient solution to the cultivation shelf, and the uppermost stage from the nutrient solution storage tank The nutrient solution is supplied to the cultivation shelf, and the supplied nutrient solution is supplied to the lower cultivation shelf through the drainage pipe after filling the cultivation shelf, and this is repeated to store the nutrient solution from the lowermost cultivation shelf. A nutrient solution circulation type plant cultivation device adapted to return to the tank, the nutrient solution receiving material receiving the nutrient solution drained from the drain pipe between the cultivation shelves, and the nutrient drained by the nutrient solution receiving material A feed pipe for supplying liquid to the cultivation shelf, and a nutrient solution circulation auxiliary material is provided at a position that does not hinder horizontal movement of the cultivation shelf, and when the cultivation shelf is moved horizontally, the drainage pipe Is configured to move on the nutrient solution receiver. It is solved by the nutrient solution circulating plant cultivating device as.

  Moreover, the nutrient solution circulation type cultivation apparatus characterized in that the nutrient solution circulation auxiliary materials are arranged in a staggered manner is also solved.

  In addition, a plurality of horizontally movable cultivation shelves equipped with drainage pipes are provided, a nutrient solution storage tank for supplying nutrient solution to the cultivation shelf is provided, and nutrient solution is supplied from the nutrient solution storage tank to each cultivation shelf. The supplied nutrient solution is a nutrient solution circulation type plant cultivation device adapted to return to the nutrient solution storage tank through the drainage pipe after filling the cultivation shelf, and between the cultivation shelves A nutrient solution receiving material for receiving nutrient solution drained from the drainage pipe, and a supply pipe for supplying the nutrient solution drained to the nutrient solution receiving material to the nutrient solution return pipe for returning the nutrient solution to the nutrient solution storage tank. A nutrient solution circulation auxiliary material is provided at a position that does not hinder horizontal movement of the cultivation shelf, and when the cultivation shelf is moved horizontally, the drainage pipe moves on the nutrient solution receiving material. It is also solved by a nutrient solution circulation type plant cultivation device characterized by .

  According to this configuration, in order to return the nutrient solution receiving the nutrient solution drained from the drain pipe between the cultivation shelves and the nutrient solution drained to the nutrient solution receiver to the cultivation shelf or the nutrient solution storage tank A supply pipe for supplying to the nutrient solution return pipe of the nutrient solution circulation auxiliary material is provided at a position that does not hinder horizontal movement of the cultivation shelf, and when the cultivation shelf is moved horizontally, the drainage Since the pipe is adapted to move on the nutrient solution receiving material, the nutrient solution can be circulated without delay in each of the state where the cultivation shelf is not horizontally moved, the process of horizontal movement, and the state of completion of horizontal movement. It can be carried out. Moreover, there is no rule of the order etc. which move the said cultivation shelf horizontally, and it can move horizontally from any stage, and can also move horizontally several stages simultaneously. Here, the nutrient solution includes all liquids capable of growing plants.

  Further, an illuminating device for irradiating the lower cultivating shelf is provided below the cultivating shelf, and the nutrient solution circulation auxiliary material is provided adjacent to the illuminating device. It is also solved by a liquid circulation type cultivation device.

  According to this configuration, since the nutrient solution circulation auxiliary material is provided so as to be adjacent to the lighting device, a desired object can be achieved while refreshing the appearance of the nutrient solution circulation type cultivation device. .

  Since the present invention is as described above, it is possible to horizontally move the cultivation shelf while performing circulation of nutrient solution without delay, and plucking of plants planted in the upper portion of the cultivation shelf or the cultivation shelf, and the like. The growth state can be easily confirmed and the appearance can be refreshed.

It is a front view of the plant cultivation apparatus in a 1st embodiment of the present invention. It is a top view of the cultivation shelf in a 1st embodiment of the present invention. It is a disassembled perspective view of the cultivation shelf and nutrient solution circulation auxiliary material in a 1st embodiment of the present invention. (A)-(c) is sectional drawing which showed the drawing-out process of the cultivation shelf in 1st Embodiment of this invention. It is a front view of the plant cultivation apparatus in 2nd Embodiment of this invention.

  Next, the best mode for carrying out the present invention will be described with reference to the drawings.

  FIG. 1 shows a nutrient solution circulation type plant cultivation apparatus 1 according to a first embodiment of the present invention. This plant cultivation device 1 is a plant cultivation device for hydroponics, is composed of a rectangular parallelepiped box, is divided into a cultivation region 1a and a nutrient solution storage region 1b, and a nutrient solution storage region 1b below the cultivation region 1a. Is provided. In the cultivation area 1a, an opening provided with an openable transparent door for plucking plants and the like and a cultivation shelf 2 supported by the inner wall surface of the plant cultivation apparatus 1 are the cultivation shelf 2a and cultivation from the top. The shelf 2b and the cultivation shelf 2c are provided in three stages, and above each cultivation shelf 2, a lighting device 7 as a light source and a support material 8 for attaching the lighting device 7 are provided, and the support material 8 is a plant cultivation device. 1 is attached to the inner wall surface. The light source of the illumination device 7 may be an LED or a fluorescent lamp.

  As shown in FIGS. 1 and 2, the cultivation shelf 2 has a rectangular shape in plan view, and a peripheral wall for constituting the frame body is erected over four circumferences, and the drainage pipe 3 and the cultivation for circulating the nutrient solution A holding part 6 for pulling out the shelf 2 and a cultivation plate 9 for planting plants are provided, and plants are planted in the holes 9a of the cultivation plate 9 for cultivation. The cultivation shelf 2 can be pulled out to the opening side provided in the plant cultivation apparatus 1 so that the plants can be easily fruited, plucked, and the like. Any material may be used as long as it can support the cultivation shelf 2 on the inner wall surface of 1 and has a known drawer mechanism such as a rail structure.

  The drainage pipe 3 is on the back side opposite to the opening side of the plant cultivation apparatus 1 and is provided so as to penetrate the cultivation shelf 2 in the vertical direction. Moreover, when the drainage pipe 3 of the cultivation shelf 2a is provided on the right side as viewed from the opening of the plant cultivation apparatus 1, the cultivation shelf 2b is provided on the left side, and the cultivation shelf 2c is provided on the right side and in a staggered manner. . In this case, the nutrient solution supply pipe 5a that supplies the nutrient solution to the cultivation shelf 2a is provided on the left side of the plant cultivation apparatus 1 and above the cultivation shelf 2a.

  In addition, in this embodiment, although the drainage pipe 3 is provided in the cultivation shelf 2, you may comprise the cultivation shelf 2 with the cultivation plate which can be attached or detached to a cultivation shelf and a cultivation shelf from the convenience on cleaning. In this case, a drainage pipe is provided in the cultivation plate, an insertion hole for inserting the drainage pipe is provided in the cultivation shelf, and the drainage pipe is inserted into the insertion hole so that the cultivation shelf and the cultivation plate are in close contact with each other. What is necessary is just to provide. According to this, the cultivation plate can be removed from the cultivation shelf and easily cleaned.

  Next, as shown in FIGS. 1 and 3, the nutrient solution circulation auxiliary material 4 is supported below the cultivation shelves 2 a and 2 b, on the vertical line of the drainage pipe 3, and adjacent to the lighting device 7. A nutrient solution receiving material 4a that is attached to the material 8 and receives the nutrient solution drained from the drainage pipe 3 of the cultivation shelf 2, and a supply pipe 4b that supplies the nutrient solution from the nutrient solution receiving material 4a to the cultivation shelves 2b and 2c; It is made up of.

Moreover, the nutrient solution receiving material 4a consists of a rectangular parallelepiped of cross-sectional view which made the back | inner side the longitudinal direction from the opening part side of the plant cultivation apparatus 1, and has the cultivation shelf 2 side as an opening surface. The supply pipe 4b is suspended from the nutrient solution receiving material 4a to the lower cultivation shelf 2,
Regardless of the state of the opening of the plant cultivation device 1 and the cultivation shelf 2 (before pulling out, in the middle of pulling out, the drawing completed state), it is fixed at a position above the cultivation shelf 2. .

  A nutrient solution circulation auxiliary material 45 is provided below the lowermost cultivation shelf 2c, and is composed of a nutrient solution receiving material 4a and a nutrient solution return pipe 5b, and below the inner wall surface of the plant cultivation device 1 or the cultivation shelf 2c. It is attached to one of the bottom plates provided in the. The nutrient solution circulation auxiliary material 45 is provided on the vertical line of the drainage pipe 3 in the same manner as the nutrient solution circulation auxiliary material 4. Since these nutrient solution circulation auxiliary materials 4 and 45 are arranged on the vertical line of the drainage pipe 3, the nutrient solution circulation auxiliary materials 4 and 45 are also arranged in a staggered manner.

  In the nutrient solution storage area 1b, there are a nutrient solution storage layer 5 for storing a nutrient solution for growing plants, a purification device for purifying the nutrient solution, and a pump for supplying the nutrient solution (not shown). Is provided. Moreover, the nutrient solution supply pipe 5a is provided from the nutrient solution storage region 1b for supplying the nutrient solution to the cultivation shelf 2a to the cultivation region 1a, and the nutrient solution is supplied only from the nutrient solution storage tank 5 to the cultivation shelf 2a. It is made to supply. In addition, it goes without saying that the plant cultivating apparatus 1 is provided with a ventilator for controlling oxygen and carbon dioxide necessary for cultivating plants, a refrigerator for adjusting temperature, a heater, and the like.

  According to this plant cultivation device 1, the nutrient solution supplied from the nutrient solution circulation pipe 5a to the cultivation shelf 2a overflows the drainage pipe 3 after overflowing the cultivation shelf 2a, and the drained nutrient solution is The nutrient solution receiving material 4a is fed and supplied from the supply pipe 4b to the cultivation shelf 2b. Thereafter, the nutrient solution filling the cultivation shelf 2b is drained from the drainage pipe 3 provided in the cultivation shelf 2b, is fed to the cultivation shelf 2c from the supply pipe 4b through the nutrient solution receiving material 4a. The nutrient solution supplied to the cultivation shelf 2c, after filling the cultivation shelf 2c, is drained from the drain pipe 3 provided in the cultivation shelf 2c, passes through the nutrient solution receiver 4a, and is fed from the nutrient solution return pipe 5b. It is made to return to the storage tank 5.

  Therefore, even if there is only one place supplied from the nutrient solution storage tank 5 to the cultivation shelf 2, the nutrient solution can be sent to the plurality of stages of the cultivation shelf 2, so the holes 9a in the cultivation plate Plants planted in can be absorbed uniformly and can absorb the nutrient solution supplied to the lower part of the cultivation plate 9. In addition, the nutrient solution once circulated can be reused without being discarded.

  Next, the situation when pulling out the cultivation shelf 2 in FIG. 4 will be described. As shown in FIGS. 4 (b) to (c), when the cultivation shelf 2 b is pulled out by grasping the grip 6 of the cultivation shelf 2 b, the drainage pipe 3 is movable on the nutrient solution receiver 4 a in the pulling direction. Has been made.

  Then, the flow of nutrient solution in the process of pulling out the cultivation shelf 2b will be described. Fig. 4 (a) shows a state before drawing, and the nutrient solution is supplied from the cultivation shelf 2a to the opening side of the cultivation shelf 2b, and from the drain pipe 3 of the cultivation shelf 2b to the back side of the nutrient solution receiving material 4a. It is drained to the cultivation shelf 2c. FIG. 4 (b) shows an intermediate stage of pulling out the cultivation shelf 2 b, the nutrient solution is supplied from the cultivation shelf 2 a to the approximate center of the cultivation shelf 2 b, and the nutrient solution receiving material 4 a is supplied from the drain pipe 3 of the cultivation shelf 2 b. It is drained to the approximate center and supplied to the cultivation shelf 2c. FIG. 4 (c) shows a state in which the drawer is completed, and the nutrient solution is supplied from the cultivation shelf 2a to the back side of the cultivation shelf 2b, and the opening of the nutrient solution receiving material 4a from the drain pipe 3 of the cultivation shelf 2b. It is drained to the side and supplied to the cultivation shelf 2c.

  Therefore, the drainage pipe 3 always exists on the nutrient solution receiving material 4a and the supply pipe 4b of the cultivation shelf 2c is in any state before the cultivation shelf 2b is withdrawn, in the middle of being drawn out, or in a state of being drawn out. Since it exists above, the nutrient solution can be circulated without delay.

  Moreover, since the drainage pipe 3 moves on the nutrient solution receiving material 4a adjacent to the lighting device 7 and the supply pipe 4b of the cultivation shelf 2a is provided on the opening side of the plant cultivation device 1, the drainage pipe 3 and The cultivation shelf 2b can be pulled out smoothly without the supply pipe 4b getting in the way. Any cultivation shelf can be pulled out to perform the same operation as the cultivation shelf 2b, and all the cultivation shelves can be pulled out simultaneously.

  FIG. 5 shows a plant cultivation apparatus 11 according to the second embodiment of the present invention. The plant cultivation apparatus 11 is provided with nutrient solution supply pipes 15a for supplying nutrient solution from the nutrient solution storage layer 15 to each stage of the cultivation shelf 12... A nutrient solution return pipe 15 b for returning the nutrient solution discharged from the nutrient solution storage layer 15 is provided. The nutrient solution return pipe 15b is communicated with the supply pipes 14b ... constituting the nutrient solution circulation auxiliary material 14 ... provided below each stage of the cultivation shelf 12 ..., and the nutrient solution supply pipe After the nutrient solution supplied from 15a to the cultivation shelf 12 ... fills the cultivation shelf 12 ..., the nutrient solution is discharged to the drain pipe 13 ..., and the nutrient solution receiving material 14a ..., supply pipe 14b... Is supplied to the nutrient solution return pipe 15b through 14b. Note that the nutrient solution supply pipes 15a and the nutrient solution circulation auxiliary materials 14 are provided at substantially the same position on the vertical line, and the others are the same as in the first embodiment of the present invention.

  According to this plant cultivation device 11, even when the circulation of the nutrient solution is completed at each stage of the cultivation shelf 12, each cultivation shelf 12 can be pulled out while circulating the nutrient solution without delay. It can be.

  Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, in the above-described embodiment, the plant cultivation device is a rectangular parallelepiped box-like device, but any configuration that can support the cultivation shelf may be used.

  Moreover, in the said embodiment, although the nutrient solution circulation auxiliary material is installed adjacent to the illuminating device, as long as it is a position which does not inhibit horizontal movement of a cultivation shelf, such as an intermediate part of cultivation shelves, it may be anywhere.

  Moreover, in the said embodiment, although the nutrient solution storage area | region was distribute | arranged to the lower part of the cultivation area | region, you may distribute a cultivation area | region below the nutrient solution storage area | region.

DESCRIPTION OF SYMBOLS 1 ... Plant cultivation apparatus 1, 11 ... Plant cultivation apparatus 1a ... Cultivation area 1b ... Nutrient solution storage area 2, 12 ... Cultivation shelf 3, 13 ... Drain pipe 4, 14, 45 ... Nutrient solution circulation auxiliary material 4a, 14a ... Nutrient solution receiving material 4b, 14b ... Supply pipe 5, 15 ... Nutrient solution storage tank 5a, 15a ... Nutrient solution supply pipe 5b, 15b ... Nutrient solution return pipe 6 ... Grasping part 7 ... Lighting device 8 ... Support material 9 ... Cultivation plate 9a ... Hole

Claims (4)

A plurality of horizontally movable cultivation shelves with drainage pipes are provided, a nutrient solution storage tank is provided for supplying nutrient solution to the cultivation shelf, and the nutrient solution is supplied from the nutrient solution storage tank to the uppermost cultivation shelf. After the filling shelf is filled, the fed nutrient solution is supplied to the lower cultivation shelf through the drainage pipe, and this is repeated to return to the nutrient solution storage tank from the lowermost cultivation shelf. It is a nutrient solution circulation type plant cultivation device,
Nutrient solution circulation support comprising a nutrient solution receiving material for receiving nutrient solution drained from the drainage pipe between the cultivation shelves, and a supply pipe for supplying the nutrient solution drained to the nutrient solution receiving material to the cultivation shelf The material is provided at a position that does not hinder horizontal movement of the cultivation shelf,
The nutrient solution circulation type plant cultivation apparatus, wherein the drainage pipe moves on the nutrient solution receiving material when the cultivation shelf is moved horizontally. A plurality of horizontally movable cultivation shelves with drainage pipes are provided, a nutrient solution storage tank is provided for supplying nutrient solution to the cultivation shelf, and nutrient solutions are supplied from the nutrient solution storage tank to each cultivation shelf. The supplied nutrient solution is a nutrient solution circulation type plant cultivation device adapted to return to the nutrient solution storage tank through the drainage pipe after filling the cultivation shelf,
A nutrient solution receiving material that receives nutrient solution drained from the drainage pipe between the cultivation shelves, and a supply that supplies the nutrient solution drained to the nutrient solution receiving material to the nutrient solution return pipe for returning to the nutrient solution storage tank A nutrient solution circulation auxiliary material comprising a pipe is provided at a position that does not hinder horizontal movement of the cultivation shelf,
The nutrient solution circulation type plant cultivation apparatus, wherein the drainage pipe moves on the nutrient solution receiving material when the cultivation shelf is moved horizontally.   The nutrient solution circulation cultivation apparatus according to claim 1, wherein the nutrient solution circulation auxiliary materials are arranged in a staggered manner. A lighting device for irradiating the lower cultivation shelf below the cultivation shelf is provided,
The nutrient solution circulation type cultivation apparatus according to claim 1, wherein the nutrient solution auxiliary material is provided adjacent to the lighting device.

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