TW201433260A - Indoor device - Google Patents

Abstract

The present invention provides an indoor device capable of effectively irradiating cultivated plants with natural light or artificial light. The indoor device (1) comprises: a cultivation tray (3) for cultivating plants; a lighting device (5) for irradiating the cultivation tray (3) with light; and a frame body (7) for supporting the lighting device. The frame body (7) has a canopy portion (46) arranged at a position opposite to a cover portion (12) of the cultivation tray (3), and side portions (42, 44) arranged at sides of a side portion (18) of the cultivation tray (3). The canopy portion (46) and the side portions (42, 44) can shield from light, and have a reflection surface for reflecting light toward the cultivation tray (3).

Description

Indoor unit

The present invention relates to indoor devices.

As a prior art indoor device, for example, one disclosed in Japanese Laid-Open Patent Publication No. SHO 63-251021 is known. The indoor device disclosed in Japanese Laid-Open Patent Publication No. SHO63-251021 has a function of cultivating plants, and includes a cultivation bed in which a culture medium is accommodated, an illumination device disposed above the cultivation bed, and a transparent cover that partitions the cultivation space.

In order to effectively cultivate plants, it is necessary to promote the photosynthesis of plants while irradiating plants with more light. In the prior indoor device, since the cultivation space is drawn by the transparent cover region, the light irradiated from the illumination device is transmitted through the transparent cover. Therefore, in the prior indoor devices, the cultivated plants cannot be effectively irradiated with light that reaches from the reflecting surface.

It is an object of the present invention to provide an indoor device that can effectively illuminate a plant to be cultivated, whether natural or artificial.

The indoor device of the present invention includes a cultivation unit for planting a plant, a light source for irradiating light to the cultivation unit, and a support portion for supporting the light source; and the support portion has a ceiling portion disposed at a position facing the upper side of the cultivation portion, and is disposed on the ceiling portion The side portion of the lateral side of the cultivating portion; the ceiling portion and the side portion have a reflecting surface for reflecting light to the cultivating portion.

In the indoor unit, the ceiling portion and the side portion have reflectivity reflecting light reaching the surface thereof. Therefore, in the indoor device, whether it is natural light or artificial light, the light irradiated from the light source does not transmit the surface of the ceiling portion and the side portion, and the ceiling portion and the side portion are oriented toward cultivation. The reflective surface of the reflected light. Therefore, in the indoor unit, light that is directly irradiated from the light source and light that is reflected by the ceiling portion and the side portion are irradiated toward the cultivation portion. As a result, in the indoor unit, whether it is natural light or artificial light, the light emitted from the light source can be collected to effectively irradiate the cultivated plant. Thereby, in the indoor device, the photosynthesis of the plant can be promoted, thereby promoting plant growth and effectively cultivating.

In one embodiment, it is possible that the support portion includes a placement portion that mounts the cultivation portion at a position facing the ceiling portion, and the ceiling portion, the side portion, and the placement portion are integrally formed. According to this configuration, in the indoor unit, the cultivating portion can be transported while being placed on the placing portion. Therefore, in an indoor unit, operability can be improved.

In one embodiment, the pair of side portions may be sandwiched between the cultivating portions and opposed to each other, and the inner surface of the pair of side portions is a reflecting surface. According to this configuration, in the indoor unit, more light can be irradiated toward the placing portion.

In one embodiment, it is possible that the support portion forms a frame-shaped body surrounding the cultivation portion, and the frame-shaped body has at least one opening portion. According to this configuration, in the indoor unit, the removal and installation of the placing portion can be satisfactorily performed.

In one embodiment, the inner surface of the ceiling portion or the inner surface of the pair of side portions may be connected by a curved surface. According to this configuration, in the indoor unit, it is possible to suppress the light from being collected on the connecting portion between the ceiling portion and the side portion, and it is possible to more efficiently reflect the light toward the placing portion.

In one embodiment, it is possible that the cultivating portion has a storage portion that stores a liquid and has an opening that is open at the upper end side, and a lid portion that covers the opening portion of the reservoir portion; and the storage portion and the lid portion have light blocking The shielding property is transmitted to the inside of the cultivating portion; the surface of the lid portion is a reflecting surface for reflecting light. In the indoor unit, hydroponic cultivation is carried out in the cultivation unit. According to the hydroponic cultivation, when the liquid stored in the storage portion is irradiated with light, algae or the like is generated in the cultivation portion. On the other hand, in the indoor unit, since the surface material constituting the storage portion and the lid portion is shielded from light, it is possible to block the light from entering the liquid in the storage portion and prevent the light from being irradiated to the inside of the cultivation portion, thereby suppressing the generation of algae. . Moreover, in the indoor device, the surface of the cover portion is used as Since the reflecting surface reflects the light irradiated from the light source by the cover portion, the plant can be irradiated with light from below.

In one embodiment, the lid portion may have a through hole to which a culture dish for accommodating a medium for implanting a plant (seed or germinated plant root), and a foot portion from the cover The back portion of the portion extends and is housed in the storage portion in a state of being attached to the storage portion. According to this configuration, in the indoor device, since the culture dish is inserted into the through hole, the petri dish can be easily attached and detached. Further, in the indoor unit, when the lid portion is removed from the storage portion, the lid portion can be placed in a state in which the culture dish is attached. Therefore, in the indoor unit, maintenance can be improved.

In one embodiment, the lid portion may have a tubular portion that surrounds the through hole and extends from the back surface. According to this configuration, in the indoor unit, it is possible to suppress light from entering the storage portion from the through hole.

According to the present invention, both the natural light and the artificial light can be concentrated to effectively irradiate the cultivated plants.

1‧‧‧ indoor installation

3‧‧‧Cultivation tray (cultivation department)

5‧‧‧Lighting device (light source)

7‧‧‧Frame (support, loading)

7a‧‧‧ openings

7b‧‧‧ openings

10‧‧‧Storage Department

12‧‧‧ Cover (upper part)

14‧‧‧ Petri dishes

14a‧‧‧ collar

15‧‧‧ Temperature patch

16‧‧‧ bottom

18‧‧‧ side

18a‧‧‧ Opening

20‧‧‧ Body Department

20a‧‧‧ surface

20b‧‧‧back

22a‧‧‧foot

22b‧‧‧foot

22c‧‧‧foot

22d‧‧‧foot

24a‧‧‧Protruding

24b‧‧‧Protruding

26‧‧‧ tube through hole

30‧‧‧Cylinder

40‧‧‧Loading Department

40a‧‧‧Loading surface

40b‧‧‧ Lower surface (facing the facing device 1)

41‧‧‧ Positioning Department

42‧‧‧ side

42a‧‧‧ Inside the side 42

44‧‧‧ side

44a‧‧‧ Inside the side 44

45‧‧‧Slip-proof components

46‧‧‧ Ceiling Department

46a‧‧‧ inside

46b‧‧‧ upper surface

48‧‧‧heating slit

C1‧‧‧ curved surface

C2‧‧‧ curved surface

C3‧‧‧ curved surface

C4‧‧‧ curved surface

S‧‧‧ cultivation space

Fig. 1 is a perspective view showing an indoor unit of an embodiment.

Fig. 2 is a perspective view of the indoor unit shown in Fig. 1 as viewed from below.

Fig. 3 is a front view showing the indoor unit shown in Fig. 1 placed on a table or the like.

Fig. 4 is an exploded perspective view showing the cultivation tray.

Fig. 5 is a perspective view showing a lid portion and a medium.

Fig. 6(a) is a view showing the cultivation tray from above; Fig. 6(b) is a cross-sectional structural view showing the line b-b of Fig. 6(a).

Figure 7 is a perspective view showing the frame.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the description of the drawings, the same or corresponding elements are designated by the same reference numerals, and the repeated description is omitted.

Fig. 1 is a perspective view showing an indoor unit of an embodiment. Fig. 2 is a perspective view showing the indoor unit shown in Fig. 1 as viewed from below. Fig. 3 is a front view showing the indoor unit shown in Fig. 1 placed on a table or the like. In the following description, the upper and lower sides of the indoor unit 1 shown in FIG. 3 are referred to as "upper", "lower", "left", and "right".

The indoor unit 1 shown in Figs. 1 to 3 is a table type device for hydroponic cultivation of plants indoors. The indoor unit 1 has a function for cultivating plants and has a function as an upholstery. As a plant cultivated by the indoor unit 1, for example, a herbaceous plant (basil, parsley, etc.) is exemplified.

As shown in FIG. 1 and FIG. 2, the indoor unit 1 includes a cultivation tray (cultivation unit) 3, an illumination device (light source) 5, and a housing (support portion, mounting portion) 7.

Fig. 4 is an exploded perspective view showing the cultivation tray. Fig. 5 is a perspective view showing a lid portion and a medium. Fig. 6(a) is a view showing the cultivation tray from above; Fig. 6(b) is a cross-sectional structural view showing the line b-b of Fig. 6(a).

The cultivation tray 3 is for implanting plant seeds or plant roots that have been germinated. The cultivation tray 3 has a storage portion 10, a lid portion (upper portion) 12, and a petri dish 14.

The storage unit 10 stores a liquid (nutritive water in the present embodiment). The reservoir 10 is formed of a material that is shielded from light (non-transmitting light). In the present embodiment, the storage portion 10 is white. The reservoir 10 has a bottom portion 16 and a side portion 18 extending upward from the edge of the bottom portion 16. The storage portion 10 is open at its upper end side, and an opening portion 18a is formed by the side portion 18. As shown in FIG. 3, the side portion 18 has a substantially trapezoidal shape and expands upward. The shape of the reservoir 10 is not particularly limited. A temperature patch 15 for displaying the water temperature is provided in the reservoir 10.

As shown in FIGS. 4, 5, and 6, the lid portion 12 is provided to cover the opening portion 18a of the reservoir portion 10 and is detachable from the reservoir portion 10. The lid portion 12 has a body portion 20, leg portions 22a, 22b, 22c, 22d, and protruding portions 24a, 24b.

The body portion 20 covers the opening portion 18a of the reservoir portion 10. The main body portion 20 has a shape corresponding to the opening portion 18a of the reservoir portion 10. The body portion 20 is formed of a material that is shielded from light. The lid portion 12 is a color other than 0, that is, a color other than black, and is white in the present embodiment. The surface 20a of the body portion 20 (the cover portion 12) is a flat surface and is a reflection surface for reflecting light. The reflectance of the light of the surface 20a is, for example, 50 to 100%.

A through hole 26 is provided in the main body portion 20. The through hole 26 is a portion into which the petri dish 14 is inserted, and has a substantially circular shape. The through holes 26 are arranged in a plurality of spaces (three in the present embodiment) at a predetermined interval along the longitudinal direction of the main body portion 20 (the horizontal direction in FIG. 6). The number and arrangement of the through holes 26 are not particularly limited.

A tubular portion 30 is provided in the body portion 20. The tubular portion 30 surrounds the through hole 26 and protrudes from the back surface 20b of the body portion 20. The length of the tubular portion 30 is appropriately set depending on the design. Similarly to the main body portion 20, the tubular portion 30 is formed of a material that is shielded from light. The tubular portion 30 may be integrally formed with the body portion 20 in the same material.

The leg portions 22a to 22d are those that support the main body portion 20 in a horizontal plane when the lid portion 12 is placed on a table or the like. For example, when the nutrient solution is changed during the cultivation of the hydroponic cultivation plant, the convenience of temporarily removing the lid portion 12 from the storage portion 10 and performing work is increased. The leg portions 22a-22d extend from the back surface 20b of the body portion 20. The leg portions 22a to 22d are provided in plural numbers (two in the present embodiment) on both end sides of the main body portion 20 in the longitudinal direction. The length of the leg portions 22a to 22d is set to a length that can be accommodated in the reservoir portion 10 in a state where the lid portion 12 is attached to the reservoir portion 10, and is smaller than the lower end portion of the petri dish 14 when the petri dish 14 is attached to the lid portion 12. Longer.

The protruding portions 24a and 24b are disposed in a pair at a position opposite to each other in the longitudinal direction of the main body portion 20. The protruding portions 24a and 24b are provided to protrude obliquely upward from the body portion 20. The protruding portions 24a and 24b are portions that are grasped by fingers when the lid portion 12 is attached or detached.

The culture dish 14 is a member for accommodating a seed or root medium (not shown) of the cultivated plant. The culture medium is formed by, for example, filling a polyurethane resin, a fiber, or the like in place of the soil. The culture dish 14 is inserted into the through hole 26 of the lid portion 12 and held by the through hole 26.

When the culture dish 14 is inserted into the through hole 26 provided in the lid portion 12 of the cultivating portion 10, the collar 14a having a larger diameter than the through hole 26 is caught, and does not fall. It is disposed to the lower side of the through hole 26. The upper side of the cover portion 12 is in a state in which the collar 14a is visible. The collar 14a is formed of a material that is shielded from light. The collar 14a is used as a reflecting surface for reflected light. The reflectance of the light of the reflecting surface is, for example, 50 to 100%. The collar 14a is a color other than 0, that is, a color other than black, and is white in this embodiment.

Returning to Fig. 2, the artificial light source, i.e., the illumination device 5, illuminates the cultivation tray 3. The illumination device 5 is, for example, an LED (Light Emitting Diode). The illuminating device 5 has a spectral characteristic having a high light intensity in a wavelength region including, for example, wavelengths of 440 nm and 660 nm. The illuminating device 5 is provided in a plurality of (three in the present embodiment), and is arranged in a row along the longitudinal direction (the horizontal direction in FIG. 3) of the ceiling portion 46 of the casing 7 to be described later. The illuminating device 5 illuminates substantially the entire surface of the surface 20a of the body portion 20 of the lid portion 12. The illuminating device 5 has a control device (not shown) and is connected to a power source, and the control device controls the turning on and off (lighting and extinguishing) of the switch. The lighting time of the lighting device 5 is set in consideration of the sunshine time of each season in the external environment.

Figure 7 is a perspective view showing the frame. The casing 7 has a mounting portion 40 on which the cultivation tray 3 is placed, and has a support portion that supports the illumination device 5. The casing 7 has a placing portion 40, a pair of side portions 42 and 44 as a supporting portion, and a ceiling portion 46. The mounting portion 40, the pair of side portions 42, 44, and the ceiling portion 46 are colors other than 0, that is, black, and are white in the present embodiment. The width of the mounting portion 40, the pair of side portions 42, 44, and the ceiling portion 46 (the dimension in the depth direction of FIG. 3) is substantially the same, and is the width of the cultivation tray 3 (the size in the upper and lower directions in FIG. 6(a)). .

The frame body 7 is formed in a ring shape having the upper side, the left and right sides, and the lower side when viewed from the front, and is disposed on the table, and is provided with the mounting portion 40 on the lower side and a pair of sides on the left and right sides. The portions 42 and 44 and the ceiling portion 46 are provided on the upper side, and are integrally molded from a plastic resin or the like. The body of the frame 7 forms an annular hollow structure. The outer shape and the inner shape have a substantially rectangular shape when viewed from the front side and the back side, and have a specific vertical and horizontal width (thickness), and have a specific depth width in the depth direction from the front to the back.

Furthermore, the frame 7 can be regarded as a cube, and the upper surface is equivalent to the ceiling portion and the lower surface. Corresponding to the mounting portion, the left side surface and the right side surface correspond to a pair of side portions. The front surface and the back surface do not have a face material, and have an opening portion 7a and an opening portion 7b. Further, the casing 7 encloses the cultivation tray 3 in the lower surface mounting portion 40, and the cultivation tray 3 is housed inside the casing 7 so as to be surrounded by the annular casing 7, and is in the casing. The cultivation space S of the cultivated plants is drawn in the internal area of 7.

The cultivation tray 3 is placed on the placing unit 40. The placing portion 40 is a member of an annular hollow structure constituting a lower portion of the frame body 7. The mounting portion 40 has a positioning portion 41. The positioning unit 41 is fixed to the frame 7 by positioning the cultivation tray 3 in the mounting portion 40 (that is, the positioning of the cultivation tray 3 in the housing 7), and is designed to be the longitudinal direction of the cultivation tray 3 and The cultivation tray 3 is disposed in the same direction in the longitudinal direction of the placing portion 40 (the horizontal direction in FIG. 3). The positioning portion 41 is formed in a shape of an annular projection projecting upward from the mounting surface 40a of the mounting portion 40 in accordance with the contour shape of the bottom portion 16 of the cultivation tray 3.

When the cultivation tray 3 is fitted into the positioning portion 41 (annular projection), the bottom edge of the bottom portion 16 is inserted into the annular projection and inserted. The bottom portion 16 of the storage portion 10 of the cultivation tray 3 is disposed in the positioning portion 41. As a result, since the cultivation tray 3 is positioned on the placing portion 40, the movement in the horizontal direction or the like is restricted, so that it is less likely to be detached from the casing 7. The anti-slip member 45 is provided on the lower surface 40b of the placing portion 40 (the surface facing the mounting indoor device 1).

The pair of side portions 42 and 44 extend from the both ends of the mounting portion 40 to the upper side, respectively, and are disposed to face each other. The side portions 42 and 44 have a curved shape and are members of an annular hollow structure constituting the left and right side portions of the frame body 7. The pair of side portions 42 and 44 are disposed on the side portion 18 side of the cultivation tray 3 when the cultivation tray 3 is placed on the placing portion 40. The inner surface of the side portions 42, 44 (the inner faces 42a, 44a of the side portions 42, 44) are reflecting surfaces for reflecting light. The reflectance of the inner faces 42a and 44a is, for example, 50 to 100%. In the connection portion between the side portions 42, 44 and the placing portion 40, the inner surfaces 42a, 44a of the side portions 42, 44 and the mounting surface 40a of the placing portion 40 are smoothly connected by curved surfaces C1, C2 having a specific curvature.

The ceiling portion 46 connects the upper ends of the pair of side portions 42 and 44 and is disposed at a horizontal level. The member is a member of an annular hollow structure constituting the upper portion of the frame body 7. A lighting device 5 is built in the ceiling portion 46. That is, the illumination device 5 is buried and held in the annular hollow structure. The ceiling portion 46 is disposed at a position facing the placing portion 40, that is, at a position facing the cultivation tray 3 (the lid portion 12) placed on the placing portion 40. That is, the illumination device 5 irradiates light from above the cultivation tray 3. The ceiling portion 46 is disposed at a position where the distance (interval) between the cultivation tray 3 and the lid portion 12 is, for example, about 200 mm. The distance between the cultivation tray 3 and the lid portion 12 can be appropriately set as long as the artificial light source is set to the concentration of the light quantum of the plant. .

The inner surface (inner surface 46a) of the ceiling portion 46 is a reflecting surface for reflecting light. The reflectance of the inner surface 46a is, for example, 50 to 100%. At the connecting portion between the ceiling portion 46 and the side portions 42, 44, the inner surface 46a of the ceiling portion 46 and the inner surfaces 42a, 44a of the side portions 42, 44 are smoothly connected by curved surfaces C3, C4 having specific curvatures.

A plurality of heat dissipation slits 48 are provided on the surface (upper surface 46b) on the outer side of the ceiling portion 46. The heat dissipation slit 48 is a portion that radiates heat generated from the illumination device 5. The heat dissipation slits 48 are disposed at a predetermined interval from the upper surface 46b of the ceiling portion 46.

As described above, in the indoor unit 1 of the present embodiment, the surface of the frame body 7 of the annular body is completed in a color that does not transmit the brightness of light, and has a non-transmissive property and a reflective property. Thereby, in the indoor unit 1, the light irradiated from the illumination device 5 does not transmit the inner surfaces 42a and 44a of the side portions 42 and 44 of the frame 7 and the inner surface 46a of the ceiling portion 46, and is reflected as reflected light. Face to work. Thereby, in the indoor unit 1, the direct light irradiated from the illumination device 5 and the reflected light reflected by the inner surfaces 42a and 44a of the side portions 42 and 44 and the inner surface 46a of the ceiling portion 46 are irradiated toward the cultivation tray 3. Therefore, in the indoor unit 1, both natural light and artificial light can be efficiently collected to irradiate the cultivated plants. As a result, in the indoor unit 1, the photosynthesis of plants can be promoted, thereby promoting plant growth and efficiently cultivating.

In the present embodiment, the surface 20a of the lid portion 12 of the cultivation tray 3 is a reflecting surface for reflecting light. Therefore, in the indoor unit 1, the cover portion 12 can be reflected from the illumination device 5 Light, while the plants are reflected from below.

In the present embodiment, the cultivation tray 3 is fitted to the mounting portion 40 in the mounting portion 40 of the casing 7, and is fixed to the casing 7. Thereby, in the indoor unit 1, the frame 7 and the cultivation tray 3 can be integrated, and the cultivation tray 3 can be conveyed without being detached from the frame 7. Therefore, in the indoor unit 1, operability can be improved.

In the present embodiment, the casing 7 has openings 7a and 7b on the front and back surfaces. As a result, in the indoor unit 1, the plant cultivated by the cultivation tray 3 can be favorably observed, and the cultivation tray 3 can be removed and installed in the casing 7 satisfactorily, and the maintenance property can be improved.

In the present embodiment, the inner faces 42a and 44a of the side portions 42 and 44 and the mounting surface 40a of the placing portion 40 are connected by the curved faces C1 and C2, and the inner faces 46a and the side portions 42 and 44 of the ceiling portion 46 are The inner faces 42a, 44a are connected by curved faces C3, C4. Thereby, in the indoor unit 1, it is possible to suppress the light from being collected at the joint portion of each portion, and it is possible to more efficiently collect the reflected light toward the cultivation tray 3.

In the present embodiment, the storage portion 10 and the lid portion 12 of the cultivation tray 3 have shielding properties against light. When the nutrient water stored in the storage unit 10 is irradiated with light, algae or the like is generated. In the present embodiment, since the reservoir portion 10 and the lid portion 12 are shielded from light, it is possible to suppress generation of algae or the like in the nutrient water stored in the reservoir portion 10. Thereby, contamination inside the cultivation tray 3 can be prevented.

In the present embodiment, the tubular portion 30 is provided in the main body portion 20 of the lid portion 12. Like the main body portion 20, the tubular portion 30 also has a shielding property against light. Thereby, in the indoor unit 1, the light obliquely incident from the through hole 26 can be shielded by the tubular portion 30. Therefore, in the indoor unit 1, light can be prevented from entering the inside of the storage unit 10 of the cultivation tray 3. Therefore, in the indoor unit 1, it is possible to surely suppress the generation of algae or the like in the nutrient water of the storage unit 10. Thereby, contamination inside the cultivation tray 3 can be prevented.

The present invention is not limited to the above embodiment. For example, in the above-described embodiment, the configuration in which the outer shape of the casing 7 and the inner shape have a substantially rectangular shape are taken as an example. Although the outer shape and the inner shape of the frame are not particularly limited.

In the above embodiment, the configuration in which the illuminating device 5 is attached to the ceiling portion 46 will be described as an example. However, the illuminating device 5 may be attached to, for example, the side portions 42 and 44.

In the above-described embodiment, the frame 7 has openings 7a and 7b, and the frame 7 is opened on both sides. However, the frame may be closed. The housing 7 may be provided with at least an opening through which the cultivation tray 3 can be replaced.

In the above embodiment, the configuration in which the casing 7 is annular is described as an example, but the casing may have, for example, a U shape or an L shape. When the frame has a U shape, the cultivation tray 3 may be placed on the frame, or the frame may be placed so as to cover the cultivation tray 3.

In the above embodiment, the configuration in which the inner surfaces 42a and 44a of the side portions 42 and 44 and the inner surface 46a of the ceiling portion 46 are the reflecting surfaces will be described as an example. However, the side portions 42 and 44 and the ceiling portion 46 may be provided. A member such as a thin plate having a high reflectance (for example, a reflectance of 50 to 100%) is disposed inside.

In the above embodiment, the configuration in which the hydroponic cultivation is performed in the cultivation tray 3 is described as an example. However, soil cultivation may be performed in the cultivation tray.

1‧‧‧ indoor installation

3‧‧‧Cultivation tray

7‧‧‧ frame

7a‧‧‧ openings

7b‧‧‧ openings

10‧‧‧Storage Department

12‧‧‧ 盖部

14‧‧‧ Petri dishes

15‧‧‧ Temperature patch

18‧‧‧ side

20‧‧‧ Body Department

20a‧‧‧ surface

24a‧‧‧Protruding

24b‧‧‧Protruding

40‧‧‧Loading Department

40a‧‧‧Loading surface

41‧‧‧ Positioning Department

42‧‧‧ side

44‧‧‧ side

44a‧‧‧ Inside the side 44

46‧‧‧ Ceiling Department

46b‧‧‧ upper surface

48‧‧‧heating slit

C2‧‧‧ curved surface

S‧‧‧ cultivation space

Claims (8)

An indoor device comprising: a cultivating portion for feeding a plant; a light source for illuminating the cultivating portion; and a supporting portion for supporting the light source; and the supporting portion having a ceiling portion disposed in the cultivating portion a position facing the upper side; and a side portion disposed on a lateral side of the cultivating portion; and the ceiling portion and the side portion having a reflecting surface for reflecting the light to the cultivating portion. The indoor unit of claim 1, wherein the support portion includes: a mounting portion that mounts the cultivation portion at a position facing the ceiling portion; and the ceiling portion, the side portion, and the placement portion are integrated . The indoor unit according to claim 1 or 2, wherein the side portion is provided with a pair of the cultivating portions, and the inner surface of the pair of the side portions is the reflecting surface. The indoor unit of claim 3, wherein the support portion forms a frame-shaped body surrounding the cultivating portion; and the frame-shaped body has at least one opening portion. The indoor unit of claim 3, wherein the inner surface of the ceiling portion or the inner surface of the pair of side portions is connected by a curved surface. The indoor unit of claim 1, wherein the cultivating portion has a storage portion that stores a liquid and has an opening that is open at an upper end side, and a lid portion that covers the opening portion of the storage portion; and the storage portion and the cover The portion has a shielding property that hinders transmission of light to the inside of the cultivating portion; The surface of the cover portion is a reflection surface for reflecting light. The indoor device of claim 6, wherein the cover portion has a through hole to which a culture dish is housed, the culture dish houses a medium for implanting the plant, and a foot portion extending from a back surface of the cover portion, and It is stored in the storage unit in a state of being attached to the storage unit. The indoor unit of claim 7, wherein the lid portion has a tubular portion that surrounds the through hole and extends from the back surface.