JP2010246462A - Rainwater-utilizing-type plant cultivation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rainwater-utilizing-type plant cultivation device which attains an energy-saving-type automatic irrigation system enabling water supply necessary for growth of plant by utilizing rainwater. <P>SOLUTION: The rainwater-utilizing-type plant cultivation device 1 includes: an upwardly opened gutter-like bottomed box 3 for housing a plant cultivation container 2 whose bottom part is provided with a drainage hole; a rainwater supply part 5 supplying rainwater to the inside of the gutter-like box 3; and a rainwater drainage part 6 draining a prescribed amount or more of rainwater inside the gutter-like box 3 to the outer part. The level H1 of the opening surface 6a of the rainwater drainage part 6 is disposed so as to be higher than the level H2 of the drainage hole of the plant cultivation container 2 housed in the inner part of the gutter-like box 3. A part ranging from the bottom surface 3a of the inner part of the gutter-like box 3 to the opening surface 6a of the rainwater drainage part 6 is prepared as a rainwater reserving part 7. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a rainwater utilization type plant cultivation apparatus that performs plant cultivation using rainwater.

  Conventionally, when plants are cultivated in a home garden, veranda, eaves, etc., tap water obtained from tap water has been sprayed, which is not preferable from the viewpoint of economy and living environment.

  On the other hand, in order to green the rooftop of a building, a rooftop greening device that supplies rainwater collected in a tank to soil suitable for cultivation spread on the rooftop is known (see, for example, Patent Document 1).

JP-A-8-278911

  However, when the rooftop greening device disclosed in Patent Document 1 is used for water supply to a flower pot installed in a home garden, piping equipment for supplying rainwater stored in a tank to the inside of the flower pot is required separately. In addition, there is a problem that energy saving cannot be achieved, for example, it is necessary to control the amount of water supplied from the tank so as not to adversely affect the root rot and growth of the plant.

  The present invention has been invented in view of the above-described conventional problems, and can realize an energy-saving type automatic irrigation system that can supply water necessary for plant growth using rainwater, and is economical and life-saving. The object is to provide a rainwater-based plant cultivation device that can further improve the environment.

  In order to solve the above-mentioned problems, the present invention provides a bottomed bowl-shaped box 3 that opens upward to accommodate a plant cultivation container 2 having a drain hole at the bottom, and rainwater is placed inside the bowl-shaped box 3. A rainwater supply unit 5 for supplying water and a rainwater drainage unit 6 for discharging a certain amount or more of rainwater inside the bowl-shaped box 3 to the outside are provided. It arrange | positions so that the level H1 of the opening surface 6a of the said rainwater drainage part 6 may become higher than the level H2 of the drainage hole of the plant cultivation container 2 accommodated in the said bowl-shaped box 3 inside. A portion from the bottom surface 3 a inside the bowl-shaped box 3 to the opening surface 6 a of the rainwater drainage portion 6 is a rainwater reservoir 7.

  With such a configuration, rainwater supplied from the rainwater supply unit 5 flows into the rainwater reservoir 7 inside the bowl-shaped box 3, and rainwater from the drain hole of the plant cultivation container 2 immersed in the rainwater reservoir 7. While the water is sucked up and supplied to the plant, excess rainwater overflows and drains from the opening surface 6a of the rainwater drainage section 6, so that plant growth can be promoted without worrying about root rot of the plant.

  In addition, the bowl-shaped boxes 3 are arranged in multiple upper and lower stages, and the downstream-side opening 6e of the rainwater drainage section 6 of the upper bowl-shaped box 3 is bowl-shaped so as to serve also as the rainwater supply section 5 to the lower bowl-shaped box 3. It is preferable to arrange the rainwater drainage section 6 between the boxes 3, and in this case, it is not necessary to provide the rainwater supply section 5 in each bowl-shaped box 3, and the structure can be simplified.

  Further, the rainwater supply section 5 of the uppermost bowl-shaped box 3, the rainwater drainage section 6 between the bowl-shaped boxes 3, and the rainwater drainage section 6 of the lowermost bowl-shaped box 3 are vertically arranged in front view. It is preferable to have an external shape that is continuous on a straight line. In this case, the water supply and drainage structure for each bowl-shaped box 3 can be made to have a clean appearance.

  Moreover, it is preferable to arrange | position the said saddle-shaped box 3 along the outer wall 8 of a building, and to cover the outer part of the saddle-shaped box 3 with the exterior member 9 attached to the building side. The bowl-shaped box 3 can be installed along the outer wall 8 of the building without a sense of incongruity.

  Moreover, it is preferable to provide the receiving part 4a which detachably mounts the bowl-shaped box 3 on the hanging tool 4 suspended between the outer wall 8 and the exterior member 9 of the building. In this case, the bowl-shaped box 3 And the hanger 4 can be concealed by the exterior member 9.

  Moreover, it is preferable to include a filter 10 that removes impurities in the rainwater supplied from the rainwater supply unit 5, and in this case, by removing impurities such as dust, dust, and contaminants contained in the rainwater, Rainwater can be made into purified water suitable for plant irrigation, and the rainwater supply unit 5 can be prevented from being clogged.

  INDUSTRIAL APPLICABILITY The present invention can realize an energy saving type automatic irrigation system capable of plant cultivation by effectively utilizing rainwater that naturally falls.

The rainwater utilization type plant cultivation apparatus of one Embodiment of this invention is shown, and it is side surface sectional drawing in alignment with the AA of FIG. It is a front view of a rainwater utilization type plant cultivation apparatus same as the above. In embodiment which arrange | positions the bowl-shaped box same as the above in the upper and lower multistage, it is a front view explaining the supply of the rainwater from the rain gutter with respect to each bowl-shaped box, and the flow of drainage. In the embodiment in which the bowl-like boxes are arranged in multiple upper and lower stages, the rainwater drainage section disposed between the bowl-like boxes is viewed from the front, and one end near the raindrop of the bowl-like box and the other far from the raindrop. It is a front view explaining the state arrange | positioned alternately at the end at the zigzag shape. (A) is a perspective view of the state which closed the upper surface opening part of the bowl-shaped box same as the above with the plate-shaped cover member, (b) is a top view of a cover member, (c) is a side view. It is explanatory drawing in the case of installing the support stand for raising a bottom on the bottom face of a bowl-like box same as the above, and aligning the height of a plant cultivation container uniformly.

  Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.

  FIG. 1 is a side sectional view of a rainwater utilization type plant cultivation apparatus 1 of the present embodiment, and FIG. 2 is a front view. The rainwater-utilizing plant cultivation apparatus 1 includes a bowl-shaped box 3 that is arranged in upper and lower stages for housing plant cultivation containers 2, a rainwater supply unit 5 that supplies rainwater to the inside of the bowl-shaped box 3, and the interior of the bowl-shaped box 3 A rainwater drainage portion 6 for draining a certain amount or more of rainwater to the outside, and a rainwater reservoir portion 7 for accumulating rainwater in a range from the bottom surface 3 a inside the bowl-shaped box 3 to the opening surface 6 a of the rainwater drainage portion 6. .

  The plant cultivation container 2 is composed of various containers such as a flower pot, a seedling pot, and a planter having a drain hole (not shown) at the bottom. The drain hole may be provided in the raised portion of the plant cultivation container.

  The bowl-shaped box 3 for housing the plant cultivation container 2 is made of a waterproof material and is formed in a bottomed box shape opened upward. The bowl-shaped box 3 of this example is formed in a horizontally long shape when viewed from the front. In the bowl-shaped box 3, a bowl-shaped rainwater supply section 5 that supplies rainwater from the rainbridge 11 and a rainwater drainage section 6 that drains a certain amount or more of rainwater to the outside of the bowl-shaped box 3 are provided.

  The rainwater drainage portion 6 of this example is connected to an upper drainage pipe portion 6A attached to a drainage port portion 3d provided on the bottom plate 3c of the bowl-shaped box 3 and a lower portion of the upstream drainage pipe portion 6A via a drainage joint 6B. It is comprised by the downstream drain pipe part 6C.

  The flange portion 6b projecting from the outer peripheral portion of the upstream drain pipe portion 6A is locked to the outer peripheral upper surface of the drain port portion 3d, so that the level H1 of the opening surface 6a at the upper end of the upstream drain pipe portion 6A becomes the bowl-shaped box 3 It is held so as to be higher than the level H2 of the drain hole of the plant cultivation container 2 housed inside. Thereby, the part from the inner bottom face 3a to the opening face 6a of the upstream drainage pipe part 6A becomes the rainwater reservoir part 7 that accumulates rainwater over the entire length of the bowl-shaped box 3, and the drainage hole of the plant cultivation container 2 surely stores the rainwater. The structure is immersed in the part 7.

  A direct entry preventing umbrella member 12 is attached above the opening surface 6a of the upstream drain pipe portion 6A. In this example, the direct entry preventing umbrella member 12 is attached to the tops of a plurality of ribs 6c erected upward from a plurality of locations on the outer peripheral edge surrounding the opening surface 6a of the upstream drain pipe 6A. Thus, the rainwater flowing from the rainwater supply section 5 is prevented from flowing directly into the opening surface 6a of the upstream drain pipe section 6A, and the rainwater is guided to the rainwater reservoir section 7. The gap between the ribs 6c is a drainage gap.

  A drainage joint 6B is screwed onto the outer peripheral surface of the upstream drainage pipe part 6A below the flange part 6b, and between the flange part 6b of the upstream drainage pipe part 6A and the flange part 6d of the drainage joint 6B. The bottom plate 3c of the bowl-shaped box 3 is sandwiched between the rainwater drainage section 6 and the drainage section 6 of the bowl-shaped box 3 in a watertight manner.

  A downstream drain pipe 6C is connected to the drain joint 6B, and the downstream drain pipe 6C also serves as a rainwater supply unit 5 to the lower bowl-shaped box 3.

  The bowl-shaped box 3 is detachably mounted on a receiving portion 4a provided on a hanging tool 4 supported by being suspended between an outer wall 8 and an exterior member 9 of the building shown in FIG.

  The exterior member 9 of this example is attached to the building so as to cover the outer portion of the bowl-shaped box 3, and is, for example, a natural wood or a material excellent in durability and weather resistance having a woody appearance similar to this. Is used. The exterior member 9 includes a vertical member 9 a that covers the outer side of the hook-shaped box 3 and the hanging tool 4, and a lower horizontal member 9 b that covers the lower surface side of the hook-shaped box 3 and the hanging tool 4. An LED light source 15 is provided at the lower corner formed by the vertical member 9a and the lower horizontal member 9b for performing effects by indirect light.

  The hanging tool 4 of this example includes a receiving part 4a having a substantially U shape in side view on which the bowl-shaped box 3 can be placed, and one end of the receiving part 4a is bent in an inverted U shape in side view and provided at the tip thereof. The fixed plate 16 is fixed to the outer wall 8 of the building with screws 17. The other end of the receiving portion 4 a is bent in an L shape when viewed from the side, and a fixing piece 19 at the upper end is fixed to the inner surface of the exterior member 9 with screws 18. Further, the central portion of the receiving portion 4a is screw-fixed to the lower lateral member 9b of the exterior member 9. The inner dimension of the receiving portion 4a is inclined so as to spread outward as it goes from the bottom to the top, so that the bowl-shaped box 3 can be easily attached and detached.

  Thus, according to the above configuration, rainwater that falls naturally is supplied from the rain gutter 11 to the rain water reservoir 7 in the upper bowl-shaped box 3, and at the same time, excess rain water is discharged from the opening 6 a of the rain water drainage section 6. Overflow is drained and supplied to the lower bowl-shaped box 3 from the downstream opening 6 e of the rainwater drainage 6. As a result, rainwater is accumulated in the rainwater reservoirs 7 in all the bowl-shaped boxes 3, and rainwater is sucked up from the drain holes on the bottom of the plant cultivation container 2 immersed in each rainwater reservoir 7 to grow the plants. On the other hand, since the rainwater in the rainwater reservoir 7 is kept below a certain amount, there is no fear of root rot. Moreover, the rainwater flowing down from the rainwater supply unit 5 is not directly drained from the rainwater drainage unit 6 due to the presence of the direct entry prevention umbrella member 12, so that a certain amount of rainwater can be always stored in the rainwater reservoir 7. it can. As a result, since it is a natural fall of rainwater, the power of a pump or the like is not required, and plant cultivation can be performed with energy saving by effectively utilizing rainwater that normally flows from the rain gutter 11 and is discarded.

  Further, since the outer surface of the bowl-shaped box 3 is covered with the exterior member 9 attached to the building side, the bowl-shaped box 3 can be installed along the outer wall 8 of the building without any discomfort in appearance and in a space-saving manner. Moreover, by placing the hook-shaped box 3 detachably on the receiving portion 4a of the hanging tool 4 suspended between the outer wall 8 of the building and the exterior member 9, the hook-shaped box 3 and the hanging tool 4 Both have an appearance that can be concealed by the exterior member 9. Further, the downstream opening 6e of the rainwater drainage section 6 of the upper bowl-shaped box 3 also serves as the rainwater supply section 5 to the lower bowl-shaped box 3, so that each rainwater supply section 5 is provided in each bowl-shaped box 3. There is an advantage that the structure can be simplified.

  In addition, as shown in FIG. 2, the rain gutter 11, the rain water supply part 5 of the upper gutter-shaped box 3, and the rain water drainage part 6 of the lower gutter-shaped box 3 are continuous in a straight line in the vertical direction. It becomes possible to make it an external appearance shape, and the designability can be improved.

  Furthermore, in this example, as shown in FIG. 1, a plate-like cover member 20 having a fitting hole 21 fitted into the plant cultivation container 2 from above is detachably covered inside the upper surface opening 3 b of the bowl-shaped box 3. It is installed. 5A is an external perspective view of the bowl-shaped box 3 to which the cover member 20 is attached, FIG. 5B is a plan view of the cover member 20, and FIG. 5C is a side view. The cover member 20 has a size that covers the upper surface opening 3b of the bowl-shaped box 3 over its entire length, and the bent pieces 22 below both ends of the cover member 20 in the front-rear direction are provided on both sides of the bowl-shaped box 3, respectively. The upper edge of the plant cultivation container 2 is held at a height that fits into the ear 3e. Cover-shaped box 3 and hanger 4 are concealed from the outside by cover member 20.

  By the way, when the heights of the plurality of plant cultivation containers 2 are not uniform, it is desirable that the heights of the plant cultivation containers 2 are made uniform by using the bottom raising support base 25 shown in FIG.

  FIG. 3 shows another embodiment of the structure in which the rainwater drainage 6 is attached to the bottom plate 3c of the bowl-shaped box 3. As shown in FIG. In FIG. 3, the rainwater drainage portion 6 is attached so as to penetrate the side plate 3 f of the gutter-shaped box 3 on the rain gutter 11 side in the lateral direction, and water supply and overflow drainage are performed from the lateral direction, respectively. Other configurations are the same as those of the embodiment shown in FIGS. The rainwater supply unit 5 of this example is configured by a branch rod 31 having one end connected to a distributor 30 that distributes part of rainwater from the raindrop 11 and the other end inserted into the uppermost box-shaped box 3. ing. Further, in this example, the downstream drainage pipe portion 6 </ b> C of the rainwater drainage section 6 disposed between the bowl-shaped boxes 3 also serves as the rainwater supply section 5. Further, the downstream drainage pipe portion 6C of the rainwater drainage portion 6 of the bottommost box 3 is joined and connected to the water collector 33 of the rainwater 11. Thereby, in addition to the effect of the above embodiment, a part of rainwater from the rain gutter 11 is distributed by the distributor 30 and supplied into the gutter-shaped box 3, so that the gutter-shaped box even if there is a lot of rain. In this example, the rainwater supply unit 5 and the rainwater drainage unit 6 are arranged together near the end of the cage box 3 near the rain gutter 11. Therefore, there is an advantage that the lengths of the rainwater supply unit 5 and the rainwater drainage unit 6 with respect to the gutter 11 can be shortened.

  FIG. 4 is a modification of FIG. 3, and the rainwater drainage 6 disposed between the bowl-shaped boxes 3 is viewed from the front side, and the side plate 3 f side of the bowl-shaped box 3 near the rainbridge 11 and rain They are alternately arranged in a zigzag manner on the side plate 3g side far from the flange 11. Other configurations are the same as those in FIG. In this example, the side plate 3g side far from the rain gutter 11 of each gutter box 3 is configured to deliver the overflow drainage, so that the rain water surely reaches the rain water reservoir 7 inside each gutter box 3. Even when the rainwater drainage section 6 on the delivery side and the rainwater drainage section 6 on the side of the rain gutter 11 are separately arranged, the rainwater drainage section 6 on the delivery side and the rain gutter 11 can be seen when each cage-shaped box 3 is viewed from the side. By arranging so that the rainwater drainage portion 6 on the side overlaps, the appearance can be prevented from being impaired.

  As another embodiment, it is desirable to provide a filter 10 such as a filter in the distributor 30 shown in FIGS. The filter 10 removes impurities such as dust, dust, and pollutants contained in the rainwater, so that the rainwater can be made into purified water suitable for plant irrigation. Can be prevented.

  In the above embodiment, the case where rainwater from the rain gutter 11 is supplied into the uppermost gutter-like box 3 directly or via the branch gutter 31 has been described. It is also possible to have a configuration in which the water is once collected in a tank and then sent from the tank to the bowl-shaped box 3 by a pump.

  In the above embodiment, the bowl-shaped boxes 3 are arranged in multiple upper and lower stages, but the present invention is not limited to this, and the number of bowl-shaped boxes 3 may be one.

  The rainwater-utilizing plant cultivation apparatus 1 of the present invention is not limited to being installed along the outer wall of a building, but extends a branch fence (rainwater supply unit) branched from a raindrop 11 to provide a garden in a home, a veranda, an eaves, etc. It is possible to supply rainwater to appropriate places. In addition to houses, it can be widely used in buildings where rain gutters 11 are installed, such as offices and public facilities.

DESCRIPTION OF SYMBOLS 1 Rainwater utilization type plant cultivation apparatus 2 Plant cultivation container 3 Bowl-shaped box 3a Bottom surface 3b Upper surface opening part 4 Hanging tool 4a Receiving part 5 Rainwater supply part 6 Rainwater drainage part 6a Opening surface 6e Downstream side opening part 7 Rainwater storage part 8 Outer wall 9 Exterior member 10 Filter 11 Rain gutter

Claims (6)

A bottomed bowl-shaped box that opens a plant cultivation container having a drain hole at the bottom, a rainwater supply section that supplies rainwater to the inside of the bowl-shaped box, and a certain amount or more inside the bowl-shaped box A rainwater drainage part for draining rainwater to the outside, and arranging the level of the opening surface of the rainwater drainage part to be higher than the level of the drainage hole of the plant cultivation container housed inside the bowl-shaped box, A rainwater-utilizing plant cultivation apparatus characterized in that a portion from the bottom surface inside the bowl-shaped box to the opening surface of the rainwater drainage portion is used as a rainwater reservoir.   The rainwater drainage section is placed between the saddle-shaped boxes so that the above-mentioned saddleboxes are arranged in multiple upper and lower stages, and the downstream opening of the rainwater drainage section of the upper bowl-shaped box also serves as the rainwater supply section to the lower bowl-shaped box. The rainwater utilization type plant cultivation apparatus according to claim 1, wherein the rainwater utilization type plant cultivation apparatus is arranged.   Appearance such that the rainwater supply section of the uppermost bowl-shaped box, the rainwater drainage section between the bowl-shaped boxes, and the rainwater drainage section of the lowermost bowl-shaped box continue in a straight line in the vertical direction when viewed from the front The rainwater-utilizing plant cultivation apparatus according to claim 2, which has a shape.   The said saddle-shaped box is arrange | positioned along the outer wall of a building, and the outer part of the saddle-shaped box was covered with the exterior member attached to the building side. Rainwater-based plant cultivation equipment.   The rainwater-utilizing plant cultivation apparatus according to claim 4, wherein a receiving part for detachably placing the bowl-shaped box is provided on a hanging tool suspended between the outer wall of the building and the exterior member. The rainwater utilization type plant cultivation apparatus according to any one of claims 1 to 5, further comprising a filter that removes impurities in rainwater supplied from the rainwater supply unit.

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