Hydroponic cultivation equipment

Abstract

To provide a hydroponic apparatus whose installation site is not restricted, and which does not uselessly occupy a living space.SOLUTION: A hydroponic apparatus has: a support rod; a cultivation container for hydroponic cultivation which is supported by the support rod; and an illumination unit which is supported by the support rod and arranged so as to be overlapped with the cultivation container in a plane view. The cultivation container and the illumination unit are provided for the support rod in a detachable manner, and the height from a floor surface is changeable. The cultivation container has a structure which is dividable into a first container and a second container, and may have a structure in which the first container and the second container are arranged while sandwiching the support rod when the cultivation container is attached to the support rod. The cultivation container has a surface on which the first container and the second container are connected, and a magnet may be provided for the connecting surface.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] An embodiment of the present invention relates to a structure of a cultivation container and a lighting unit of a hydroponic cultivation device. [Background technology]

[0002] Hydroponic cultivation devices are commercially available not only in large-scale devices used in plant factories, but also in small devices that can be used at home. A known hydroponic cultivation device for home use is one that integrates a lighting unit that irradiates plants with a cultivation container in which the plants are cultivated (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2017-509348 Summary of the Invention [Problem to be solved by the invention]

[0004] Home hydroponic cultivation has attracted attention because it allows for the harvesting of fresh vegetables without the use of pesticides. However, to cultivate hydroponic plants at home, it is necessary to allocate living space and select an appropriate installation location. For example, because hydroponic cultivation devices use lighting units, they cannot be placed far from an electrical outlet. Furthermore, in homes with children or pets, there is a concern that the cultivation containers may tip over if placed on the floor. Furthermore, conventional hydroponic cultivation devices have no other use when hydroponic cultivation is not being carried out, and they occupy living space unnecessarily, which is a problem.

[0005] The present invention has been made in consideration of such problems, and one of its objects is to provide a hydroponic cultivation device that is not limited in its installation location and does not unnecessarily occupy living space. [Means for solving the problem]

[0006] A hydroponic cultivation device according to one embodiment of the present invention includes a support, a cultivation container for hydroponic cultivation supported by the support, and a lighting unit supported by the support and arranged to overlap the cultivation container in a plan view. The cultivation container and the lighting unit are detachably attached to the support, and their heights from the floor surface are adjustable.

[0007] In one embodiment of the present invention, the cultivation container may have a structure that can be separated into multiple parts. The cultivation container may have a structure that can be separated into a first container and a second container, and when the cultivation container is attached to a support, the first container and the second container may be arranged on either side of the support. The cultivation container may have a surface where the first container and the second container are joined, and a magnet may be provided on the joining surface.

[0008] In one embodiment of the present invention, the first container and the second container constituting the cultivation container may have different shapes in a plan view, with the second container having a flatter shape than the first container. The cultivation container may have an outer container and an inner container housed in the outer container and containing a culture solution, and the inner container may be provided so as to be freely inserted and removed from the outer container with the outer container attached to a support.

[0009] In one embodiment of the present invention, a plurality of power supply units may be provided along the vertical direction of the support, and the lighting unit may be fixed at the position of any one of the plurality of power supply units. The lighting unit may be attachable to the support so as to have two states: a state in which light is emitted toward the cultivation container, and a state in which light is emitted toward the ceiling. The lighting unit may be configured to be able to emit light both downward and upward. A translucent cover may be provided on the upper surface of the lighting unit. [Effects of the Invention]

[0010] According to one embodiment of the hydroponic cultivation device of the present invention, the cultivation containers and lighting units are detachably attached to the support posts and their height from the floor can be adjusted, which prevents the cultivation containers from taking up unnecessary living space and prevents the cultivation containers from tipping over even in homes with children or pets.

[0011] According to one embodiment of the present invention, the hydroponic cultivation device has a lighting unit detachably attached to the support and the lighting direction can be changed, allowing the device to be used for other purposes when not performing hydroponic cultivation. Also, the cultivation container is composed of an outer container and an inner container, and the inner container is provided so that it can be freely inserted and removed from the outer container, allowing the device to be used for other purposes when not performing hydroponic cultivation. [Brief explanation of the drawings]

[0012] [Figure 1] 1A and 1B show a hydroponic cultivation device according to one embodiment of the present invention, in which (A) is a front view, (B) is a side view, and (C) and (D) show the mounting structure of the cultivation container. [Figure 2] 1 shows a hydroponic cultivation device according to one embodiment of the present invention, in which (A-1) and (A-2) are top views of a cultivation container, and (B-1) and (B-2) are side views of the cultivation container. [Figure 3] 1 shows a hydroponic cultivation device according to one embodiment of the present invention, in which (A) to (C) show variations in the angle at which the cultivation container is attached to the support, and (D) to (E) show the relationship between the shape of the cultivation container and its installation position. [Figure 4] 1A and 1B show a cultivation container used in a hydroponic cultivation device according to one embodiment of the present invention, in which FIG. 1A is a top view and FIG. 1B is a side view. [Figure 5] 1 shows the structure of a cultivation container used in a hydroponic cultivation device according to one embodiment of the present invention, illustrating that an inner container is detachable from an outer container. [Figure 6] 1A and 1B show the configuration of a lighting unit used in a hydroponic cultivation device according to one embodiment of the present invention, in which (A) shows an aspect for illuminating downward, and (B) shows an aspect for illuminating upward. [Figure 7] 1A and 1B show the configuration of a lighting unit used in a hydroponic cultivation device according to one embodiment of the present invention, in which FIG. 1A shows an aspect in which the lighting unit illuminates downward, and FIG. 1B shows an aspect in which the lighting unit illuminates downward and upward. DETAILED DESCRIPTION OF THE INVENTION

[0013] Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, the present invention can be implemented in many different forms, and should not be construed as being limited to the description of the embodiments exemplified below. For clarity of explanation, the drawings may show the width, thickness, shape, etc. of each part schematically compared to the actual form, but these are merely examples and do not limit the interpretation of the present invention. Furthermore, in this specification and each drawing, elements similar to those previously described with reference to the previous drawings are designated by the same reference numerals (or reference numerals with a, b, etc. suffixed thereto), and detailed descriptions may be omitted as appropriate. Furthermore, the letters "first" and "second" attached to each element are convenient labels used to distinguish each element and have no further meaning unless otherwise specified.

[0014] 1(A) and (B) show a hydroponic cultivation device 100 according to one embodiment of the present invention. In Fig. 1, (A) shows a front view of the hydroponic cultivation device 100, and (B) shows a side view. The hydroponic cultivation device 100 includes a cultivation container 102, a lighting unit 104, and a support 108.

[0015] The support 108 is strong enough to support the cultivation container 102 and the lighting unit 104. The support 108 is made of a material such as metal or plastic. There is no limitation on the length of the support 108, and it is required to have a length that allows the cultivation container 102 and the lighting unit 104 to be supported at a position higher than the floor 202 indoors (living space). The support 108 may have an extendable structure so that its length can be adjusted. By making the length of the support 108 adjustable, it can be set to an appropriate length depending on the installation location of the hydroponic cultivation device 100.

[0016] The support 108 may be erected on a base 109. The base 109 is optional, and there are no limitations on its shape or structure as long as it is capable of supporting the support 108 vertically. The support 108 may have a length that reaches from the floor to the ceiling 204. In this case, the support 108 may be flexible (may be a tension rod), and if this allows it to be pressed against the floor and ceiling and fixed, the base may be omitted.

[0017] The cultivation container 102 is supported by supports 108 at a position higher than the floor 202. The height of the cultivation container 102 from the floor 202 can be changed along the supports 108. The height of the cultivation container 102 can be set, for example, at knee height of an adult, or at waist height or higher. In other words, the cultivation container 102 can be installed at a height that makes it easy to care for the plants being grown, or can be installed at eye level so that the plants can be admired.

[0018] As will be described later, the cultivation container 102 can be attached to the support 108 by a magnet. Alternatively, the cultivation container 102 can be attached to the support 108 by a mechanical element. For example, as shown in FIG. 1(C), the cultivation container 102 may be fastened at a predetermined height to the support 108 by a fastener 110 disposed at the bottom. The fastener 110 may have any configuration, and may be composed of, for example, a main body portion that is inserted into the support 108 and a screw that fixes the main body portion to the support 108. Alternatively, as shown in FIG. 1(D), the cultivation container 102 may be fastened at a predetermined height to the support 108 by a pin 113. The support 108 is preferably provided with insertion holes 112 into which the pins 113 are inserted at multiple locations, thereby allowing the cultivation container 102 to be attached at an appropriate height.

[0019] The lighting unit 104 is attached to a support 108. The vertically extending support 108 supports the lighting unit 104 at a position higher than the floor 202. The height of the lighting unit 104 from the floor 202 can be changed depending on the attachment position to the support 108.

[0020] The cultivation container 102 and the lighting unit 104 are attached to a support 108 at different heights. Specifically, the lighting unit 104 is attached at a higher position than the cultivation container 102. Plants (e.g., vegetables, ornamental plants, etc.) are grown in the cultivation container 102, and the lighting unit 104 irradiates light to grow the plants. Typically, plants are planted on the upper surface of the cultivation container 102 and their leaves spread out, so the lighting unit 104 is placed at a higher position than the cultivation container 102 so as to irradiate light from above the plants.

[0021] The cultivation container 102 has a configuration that can be separated into multiple parts. For example, as shown in Fig. 1(B), the cultivation container 102 may be composed of a first container 102A and a second container 102B. As will be described later, the first container 102A and the second container 102B are detachable via a support 108, which allows the cultivation container 102 to be easily attached to and detached from the support 108.

[0022] The hydroponic cultivation apparatus 100 according to this embodiment has a structure in which the cultivation containers 102 and the lighting unit 104 are attached to the support 108 and can be placed at a position higher than the floor 202, thereby reducing the floor space occupied and easing restrictions on installation locations. In other words, the hydroponic cultivation apparatus 100 according to this embodiment has the cultivation containers 102 and the lighting unit 104 placed in the air by the support 108, thereby making it possible to effectively utilize living space and also eliminating the risk of children or pets tipping over the cultivation containers 102 and causing the nutrient solution to spill.

[0023] 2(A-1) and (A-2) show top views of the cultivation container 102, and FIGS. 2(B-1) and (B-2) show side views. The cultivation container 102 includes a first container 102A and a second container 102B. FIGS. 2(A-1) and (B-1) show the state in which the first container 102A and the second container 102B are combined and integrated into the cultivation container 102. FIGS. 2(A-2) and (B-2) show the state in which the first container 102A and the second container 102B are separated.

[0024] The first container 102A and the second container 102B may be connected by magnetic force using magnets. For example, as shown in the figure, a magnet 118a may be provided in the first container 102A, and a magnet 118b may be provided in the second container 102B, with the two containers being connected by the attractive force between the magnets 118a and 118b. The magnets 118a and 118b are provided on the opposing surfaces of the first container 102A and the second container 102B, respectively. The magnets 118a and 118b are provided in a planar configuration, and the first container 102A and the second container 102B are connected by the surfaces, thereby enabling a strong connection.

[0025] The first container 102A and the second container 102B, which are coupled by the magnetic force of the magnet, can be separated by applying an external force. For example, the state in which the first container 102A and the second container 102B are coupled and integrated as shown in Figures 2(A-1) and (B-1) can be easily changed to the state in which the first container 102A and the second container 102B are separated as shown in Figures 2(A-2) and (B-2), and vice versa.

[0026] When the support 108 is made of metal (a ferromagnetic metal such as iron or nickel), it is preferable that magnets 118a and 118b are also provided on the surface where the first container 102A and the second container 102B surround the support 108. With this configuration, the first container 102A and the second container 102B are attracted to the support 108 by the magnetic force of the magnets 118a and 118b, and the cultivation container 102 can be attached to any position (any height) on the support 108.

[0027] Although not shown, the first container 102A and the second container 102B may be detachably connected by a fastener. For example, the first container 102A and the second container 102B may have a structure in which fastening margins are provided on the peripheries thereof, and the first container 102A and the second container 102B can be integrated by fastening with screws or bolts and nuts, and can be separated by releasing the fastening.

[0028] The shape of the cultivation container 102 in a plan view is arbitrary, but may be, for example, a circular shape with one end cut out, or a shape that combines a semicircular shape and a rectangular shape, as shown in Fig. 2(A-1). In other words, the second container 102B may have a flatter shape compared to the shape of the first container 102A in a plan view. For example, the first container 102A may have a semicircular shape, and the second container 102B may have a rectangular shape.

[0029] The first container 102A and the second container 102B preferably have curved corners. For example, as shown in Fig. 2(A-1), it is preferable that the corner C of the second container 102B is not square, but is chamfered and rounded. The inner surface of the cultivation container 102 (the inner surface of the container in which the culture solution is placed) is prone to getting dirty and growing algae, but if the corners of the container are rounded, they can be easily cleaned.

[0030] 3A to 3C are top views showing the state in which the cultivation container 102 is attached to the support 108. As shown in FIGS. 3A to 3C, the cultivation container 102 can be attached to the support 108 at any angle. FIG. 3A shows an example in which the cultivation container 102 is arranged facing forward, and FIGS. 3B and 3C show examples in which the cultivation container 102 is rotated by ±45 degrees. The rotation angle of the cultivation container 102 is free, and it may be rotated by 90 degrees or 180 degrees. In the hydroponic cultivation device 100 according to this embodiment, the cultivation container 102 can be attached while being freely rotated around the support 108. With these advantages, the hydroponic cultivation device 100 can alleviate restrictions on the installation location and make effective use of living space.

[0031] As described with reference to FIGS. 2(A-1) and (A-2), when the cultivation container 102 has a shape in which one end of a circular shape is cut out, or a shape in which a semi-circular shape and a rectangular shape are combined, due to the synergistic effect with the rotatable mounting structure, it can be arranged to effectively utilize the living space. For example, as shown in FIG. 3(D), when the hydroponic cultivation device 100 is installed close to the wall surface, by arranging the cultivation container 102 facing forward, the space required for installation can be reduced.

[0032] FIG. 3(D) shows a case where the cultivation container 102 in which the first container 102A is semi-circular with a radius R and the second container 102B has a rectangular shape is arranged in contact with the wall 200. In this case, let the length by which the cultivation container 102 protrudes from the wall 200 be L1. Here, for comparison, assuming that the cultivation container is circular with a radius R, when this circular cultivation container is arranged in contact with the wall 200, the length by which it protrudes from the wall 200 is L2 (= 2R). It is clear that when comparing the protruding lengths L1 and L2 of both, L1 < L2.

[0033] Actually, the cultivation container 102 is arranged slightly away from the wall 200. Even considering this, by using the irregular-shaped cultivation container 102 compared to using a simple circular container, the length by which it protrudes from the wall 200 can be made sufficiently small. That is, by using the cultivation container 102 that combines the semi-circular first container 102A and the rectangular second container 102B, while suppressing a decrease in the cultivation area, the length by which it protrudes from the wall 200 can be shortened. In other words, by placing the first container 102A on the front side and the second container 102B on the back side, the hydroponic cultivation device 100 can be arranged close to the wall 200 so that the cultivation container 102 does not protrude from the wall 200. Thereby, even when the hydroponic cultivation device 100 is installed in the living space (indoors), a feeling of oppression can be avoided.

[0034] 3(E) shows an example of placing the hydroponic cultivation device 100 in a corner of a room. For example, even if a room corner is in a rigid-frame building with a protruding pillar, the hydroponic cultivation device 100 can be installed without being affected by the protruding wall 200 by rotatably attaching the irregularly shaped cultivation container 102 to the support 108.

[0035] As shown in Figures 3(D) and (E), the hydroponic cultivation device 100 of this embodiment can reduce the protrusion size even when installed near a wall 200, thereby reducing the feeling of oppression in the living space.

[0036] 4(A) and (B) show details of the cultivation container 102. Fig. 4(A) shows a top view of the cultivation container 102, and Fig. 4(B) shows a cross-sectional structure corresponding to the section A1-B1.

[0037] The cultivation container 102 includes a first container 102A and a second container 102B. The first container 102A includes a first outer container 1021A and a first inner container 1022A, and the second container 102B includes a second outer container 1021B and a second inner container 1022B. The first outer container 1021A and the second outer container 1021B are containers that form the outer shapes of the first container 102A and the second container 102B, respectively, and are connected to each other by magnets 118a and 118b. That is, the magnet 118a is provided on the outer surface of the first outer container 1021A, and the magnet 118b is provided on the outer surface of the second outer container 1021B.

[0038] A cultivation plate 120A is provided on the top of the first inner container 1022A, and a cultivation plate 120B is provided on the upper surface of the second inner container 1022B. The cultivation plates 120A and 120B are detachably provided so as to fit into the openings on the upper surfaces of the first inner container 1022A and the second inner container 1022B, respectively. One or more through-holes 122 are provided in the cultivation plates 120A and 120B. Seeds or seedlings of plants to be cultivated are sown or planted in the positions of the through-holes 122. The number, positions, and sizes of the through-holes 122 are arbitrary and are set appropriately depending on the variety of plants to be cultivated.

[0039] The first inner container 1022A is housed in the first outer container 1021A. The first outer container 1021A and the first inner container 1022A preferably have similar shapes. The first inner container 1022A is smaller than the first outer container 1021A and has a similar shape, so that it can be snugly housed in the first outer container 1021A. The first inner container 1022A may be divided into multiple pieces. For example, the first inner container 1022A may be divided into multiple pieces so that the similar shapes are maintained when the individual containers are combined. This relationship between the outer container and the inner container in the growing container 102 is also the same for the relationship between the second outer container 1021B and the second inner container 1022B.

[0040] FIG. 5 shows the configuration and function of each part when the cultivation container 102 is unfolded, and shows that the first inner container 1022A and the second inner container 1022B can be inserted into and removed from the first outer container 1021A and the second outer container 1021B.

[0041] 5, the first inner container 1022A can be inserted and removed from the first outer container 1021A, and the second inner container 1022B can be inserted and removed from the second outer container 1021B. A nutrient solution is poured into the first inner container 1022A and the second inner container 1022B. In a hydroponic cultivation device in which the nutrient solution circulates, there is no need to replace the nutrient solution in the cultivation containers, but in a small or simple hydroponic cultivation device, the nutrient solution remains stored in the cultivation containers for a certain period of time, and the nutrient solution must be replaced at appropriate times to ensure the smooth growth of plants.

[0042] One method for replacing the culture solution involves removing the entire first container 102A and the second container 102B from the support 108, but it requires a lot of effort to attach and detach the cultivation containers 102 containing the culture solution to and from the support 108. In contrast, as shown in Figure 5, the first inner container 1022A is provided so that it can be inserted and removed from the first outer container 1021A, and the second inner container 1022B is provided so that it can be inserted and removed from the first outer container 1021B, which makes it easier to replace the culture solution 206. That is, the first inner container 1022A and the second inner container 1022B can be removed while the first outer container 1021A and the second outer container 1021B remain attached to the support 108, and the culture solution can be replaced. This allows the work to be done at a location away from the installation site, improving convenience.

[0043] 6(A) and (B) show the configuration and operation of the lighting unit 104 in the hydroponic cultivation device 100. As shown in FIG. 6(A), the lighting unit 104 includes a light source 105 and a light source control circuit .

[0044] As the light source 105, it is preferable to use a light emitting diode (LED) because it consumes low power and can provide sufficient illuminance. A white light emitting diode is an example of a light emitting diode that can be used as the light source 105. Alternatively, a red light emitting diode (660 nm) or a blue light emitting diode (440 nm) may be used as the light source 105, as these have wavelengths suitable for photosynthesis and growth of plants.

[0045] As shown in Fig. 6(A), in normal operation of the hydroponic cultivation device 100, the light source 105 emits light toward the cultivation container 102 disposed below. The light source 105 may be provided with a reflector to effectively utilize the light emitted from the light emitting diode. It is preferable that the light source 105 has a plurality of light emitting diodes arranged therein to uniformly irradiate light.

[0046] The lighting unit 104 is attached to the support 108 at a position higher than the cultivation container 102. The lighting unit 104 is attached using fasteners 110 and pins 113 as shown in Figures 1(C) and 1(D), so that the height from the floor 202 can be adjusted as needed.

[0047] The light source control circuit 106 has a function of receiving power from a power source and controlling the light emission of the light source 105. The light source control circuit 106 may be operated by an on / off switch (not shown), or may have a built-in timer and a function of controlling the light source 105 to turn on or off at a predetermined time. The light source control circuit 106 may also be connected to a wireless network, and its operation may be controlled by a user's terminal device (mobile terminal).

[0048] The power required to light the light source 105 may be supplied from a battery 114 or from a commercial power source. The battery 114 may be housed in the hydroponic cultivation device 100. For example, the battery 114 may be disposed inside the base 109. By housing the battery 114 in the base 109, the device can be housed compactly without being exposed to the outside, and the center of gravity of the device can be lowered to improve stability. Furthermore, the power cable 115 extending from the battery 114 can be wired inside the support 108 so as not to be exposed to the outside.

[0049] Although not shown, the battery 114 may be disposed in the lighting unit 104. Disposing the battery 114 in the lighting unit 104 eliminates the need for wiring within the device, simplifying the structure. The lighting unit 104 is detachably attached to the support 108, so it may be removed during the day to charge the battery 114 and used as lighting for growing plants at night. In yet another embodiment, the battery 114 may be attached to the cover 107 shown in FIG. 6(B). Because the cover 107 is detachable from the lighting unit 104, it is possible to remove the cover 107 and charge the battery 114 while the lighting unit 104 is attached to the support 108. The cover 114 is a thin and lightweight member, but using a sheet-shaped battery 114 can avoid affecting the appearance and contribute to weight reduction.

[0050] The power cable 115 is connected to a power supply unit 116 provided on the support pole 108. It is preferable that the power supply units 116 are provided at multiple locations along the longitudinal direction of the support pole 108. Since the height of the lighting unit 104 from the floor 202 can be changed, providing the power supply units 116 at multiple locations on the support pole 108 allows the lighting unit 104 to receive power from the power supply unit 116 closest to the installation height. In this way, providing the power supply units 116 at multiple locations along the support pole 108 allows the lighting unit 104 to be installed at any height without having to worry about wiring.

[0051] The hydroponic cultivation device 100 has a configuration in which the cultivation container 102 is detachable, so the cultivation container 102 can be removed when hydroponic cultivation is not being performed. Since the cultivation container 102 and the lighting unit 104 are separate, the lighting unit 104 can be left on the support 108 even when the cultivation container 102 is removed. When the cultivation container 102 is removed, the lighting unit 104 can be used as a lighting fixture by pointing it downward. Furthermore, as shown in FIG. 6(B), when the lighting unit 104 is inverted and attached to the support 108, it can irradiate light toward the ceiling 204 and can be used as a lighting fixture for indirect lighting.

[0052] As shown in FIG. 6(B), a light-transmitting cover 107 may be provided on the upper side of the lighting unit 104. The light-transmitting cover 107 may be surface-treated to diffuse light. The light-transmitting cover 107 may also be designed so that a pattern, figure, color, or a specific image that is a combination of these may be projected onto the ceiling side. Providing such a light-transmitting cover 107 not only prevents dust from accumulating on the light source 105, but also increases its usefulness as an interior decoration.

[0053] 7(A) and (B) show another embodiment of the lighting unit 104. The lighting unit 104 shown in Fig. 7(A) and (B) has a configuration that allows light to be emitted both downward and upward. The lighting unit 104 shown in Fig. 6(A) has its body inverted to illuminate upward (the ceiling side), but the configuration shown in Fig. 7(A) and (B) makes it possible to illuminate downward, upward, or both downward and upward while remaining fixed to the support 108.

[0054] The lighting unit 104 includes a light source 105a that illuminates downward and a light source 105b that illuminates upward. The lighting of the light sources 105a and 105b is controlled by a light source control circuit 106. Fig. 7(A) shows a form in which the hydroponic cultivation device 100 is used as a normal hydroponic cultivation device, in which only the light source 105a is turned on. Fig. 7(B) shows a form in which both the light source 105a and the light source 105b are turned on, in which the hydroponic cultivation device 100 is used for hydroponic cultivation purposes and also as indirect lighting.

[0055] In this way, the hydroponic cultivation device 100 shown in FIGS. 7(A) and (B) can be used for both hydroponic cultivation and as an interior decoration, thereby increasing added value.

[0056] 6(A), 7(A), and 7(B), when hydroponic cultivation is not being performed, the first inner container 1022A and the second inner container 1022B of the cultivation container 102 may be removed, and the first outer container 1021A and the second outer container 1021B may be left attached. In this case, the first outer container 1021A and the second outer container 1021B can be used as storage containers such as a storage box for small items, and the hydroponic cultivation device 100 can be used as furniture with a lighting function.

[0057] As described above, according to the hydroponic cultivation device 100 of this embodiment, the cultivation containers 102 and the lighting units 104 are detachably mounted on the support posts 108, so that the height from the floor can be adjusted, the floor area required can be reduced, and restrictions on installation locations can be eliminated. Furthermore, by installing the cultivation containers 102 in the air using the support posts 108, there is no need to worry about the culture solution leaking if the device falls over.

[0058] Furthermore, since the lighting unit 104 is detachably attached to the support 108 and the lighting direction can be changed, it can be used for other purposes when hydroponic cultivation is not being performed. Furthermore, the cultivation container 102 is composed of outer containers (1021A, 1021B) and inner containers (1022A, 1022B), and the inner container is arranged so that it can be freely inserted and removed from the outer container, thereby reducing the effort required to change the nutrient solution. Furthermore, when hydroponic cultivation is not being performed, the outer containers (1021A, 1021B) can be used as storage containers and as furniture with lighting functions. [Explanation of symbols]

[0059] 100: hydroponic cultivation device, 102: cultivation container, 102A: first container, 102B: second container, 1021A: outer container, 1021B: outer container, 1022A: inner container, 1022B: inner container, 104: lighting unit, 105: light source, 106: light source control circuit, 107: cover, 108: support, 109: base, 110: fastener, 112: insertion hole, 113: pin, 114: battery, 115: power cable, 116: power supply unit, 118: magnet, 120A: cultivation plate, 120B: cultivation plate, 122: through hole, 200: wall, 202: floor, 204: ceiling, 206: nutrient solution

Claims

1. The pillars and a hydroponic cultivation container supported by the support; A lighting unit supported by the support and arranged to overlap the cultivation container in a plan view, The cultivation container and the lighting unit are detachably attached to the support, and the height from the floor surface is changeable, The hydroponic cultivation device is characterized in that the lighting unit can be attached to the support so that it has two states: a state in which light is emitted toward the cultivation container, and a state in which light is emitted toward the ceiling.

2. A support; a hydroponic cultivation container supported by the support; A lighting unit supported by the support and arranged to overlap the cultivation container in a plan view, The cultivation container and the lighting unit are detachably attached to the support, and the height from the floor surface is changeable, The hydroponic cultivation device is characterized in that the lighting unit is capable of emitting light both downward and upward.

3. The hydroponic cultivation device according to claim 1 or 2, wherein the cultivation container has a structure that can be separated into a plurality of containers.

4. The cultivation container has a structure that can be separated into a first container and a second container, The hydroponic cultivation device according to claim 1 or 2, wherein when the cultivation containers are attached to the support, the first container and the second container are disposed with the support between them.

5. 5. The hydroponic cultivation device according to claim 4, wherein the cultivation container has a surface where the first container and the second container are joined, and a magnet is provided on the joining surface.

6. The hydroponic cultivation device according to claim 4 or 5, wherein the first container and the second container have different shapes in a plan view, and the second container has a shape that is flatter than the first container.

7. 3. The hydroponic cultivation device according to claim 1, wherein the cultivation container has an outer container and an inner container that is housed in the outer container and contains a culture solution, and the inner container is arranged so that it can be freely inserted and removed from the outer container when the outer container is attached to the support.

8. The hydroponic cultivation device according to claim 1 , wherein a plurality of power supply parts are provided along the vertical direction of the support pole, and the lighting unit is fixed at the position of any one of the plurality of power supply parts.

9. The hydroponic cultivation device according to claim 1 or 2, wherein a light-transmitting cover is provided on an upper surface of the lighting unit.

Images