JP6310762B2 - Plant cultivation equipment - Google Patents

Description

  The present invention relates to a plant cultivation apparatus that uses, for example, an LED lighting device as a light source and is used in a plant factory, a vegetable factory, a seedling raising apparatus, or the like.

  In this specification and claims, the top and bottom, left and right in FIG. 1 are referred to as top and bottom, and left and right, the left side in FIG. 2 is the front, and the opposite side is the back.

  As a plant cultivation device using an LED lighting device, the present applicant previously has a plurality of support columns, and a cultivation rack having a placement unit on which a cultivation tank provided with plants and planted using the support columns is placed. A lighting device disposed on the cultivation rack with an interval above the mounting portion, and the cultivation rack is configured to form a pair of struts composed of two struts disposed at intervals in the front-rear direction. 3 or more pairs are provided, and a plurality of support portions for supporting left and right side edges of the lighting device are provided at intervals in the vertical direction on a pair of support columns adjacent to each other in the left and right direction. The plant cultivation apparatus with which the illuminating device was attached to the cultivation rack was proposed so that the height position of the illuminating device with respect to a mounting part could be changed according to the growth condition of a plant (refer patent document 1).

  According to the plant cultivation apparatus described in Patent Document 1, the light intensity applied to the plant is adjusted by changing the height position of the LED lighting device with respect to the mounting shelf according to the type of plant and the growth situation of the plant. Is possible.

  Recently, however, the minimum number of LEDs necessary to secure the photon flux density necessary for the growth of plants planted in the cultivation tank placed on the mounting unit, with the aim of reducing equipment costs and power consumption costs. It is required to uniformize the photon flux density emitted from all plants planted in the cultivation tank placed on the placement unit after using the lamp.

JP 2013-17397 A

  The purpose of the present invention is to meet the above requirements by using a minimum number of LED lamps to secure the photon flux density necessary for the growth of the plant, and then to the cultivation tank placed on the cultivation rack mounting portion. An object of the present invention is to provide a plant cultivation apparatus capable of uniformizing the photon flux density emitted from all planted plants.

  In order to achieve the above object, the present invention comprises the following aspects.

1) A cultivation rack having a plurality of support columns and a mounting unit on which a cultivation tank in which a plant is planted and which is provided using the support columns is placed, and illumination disposed on the cultivation rack at an interval above the mounting unit A plant cultivation device that is attached to the cultivation rack so that the illumination device can change the height position of the illumination device relative to the placement unit,
The lighting device is a frame-shaped frame, a plurality of LED lamps that are detachably attached to the frame, and a reflection surface that is detachably attached to the frame so as to be positioned above the LED lamps, and the reflection surface faces downward. The plant cultivation apparatus provided with the member.

  2) The reflecting member of the lighting device is plate-shaped, and extends in the front-rear direction and opens toward the inside of the frame at a portion above the LED lamp in the frame of the lighting device and near the left and right side edges, and Reflecting member insertion grooves into which the left and right side edges of the reflecting member are fitted are formed, and either one of the front and rear ends of both reflecting member insertion grooves is open, and the left and right side edges of the reflecting member are The plant cultivation apparatus according to 1), wherein the plant cultivation apparatus is configured to be fitted through an opening at one end before or after the reflection member insertion groove.

  3) The above description 2), wherein an upper folded portion is provided at both left and right edges of the reflecting member, and a convex portion protruding inward from the groove is provided at the opening side end of the groove on the upper side wall of the reflecting member insertion groove. Plant cultivation equipment.

  4) The reflecting member of the lighting device is plate-shaped, and a flat plate portion that receives the reflecting member on a pair of frame members facing each other in the frame of the lighting device is provided in a portion above the LED lamp in the frame of the lighting device. The plant cultivation apparatus according to 1), wherein the reflection member is detachably attached to the flat plate portion using a lock device that can be fixed and released.

  5) The locking device is composed of a through hole formed in the reflecting member, a grommet passed through the through hole formed in the flat plate portion, and a plunger having a shaft portion movably inserted into the grommet from above. A plurality of legs with a grommet integrally provided along the circumferential portion of the through hole on the upper surface of the reflecting member and a single circumferential surface spaced apart in the circumferential direction and passed through both through holes The leg portion of the grommet is elastically deformed by pushing and pulling the plunger, spreads radially outward, engages with the portion around the through hole in the flat plate portion, and fixes the reflecting member to the flat plate portion. The plant cultivation apparatus according to 4) above, which is switched between a fixed position and a release position that can pass through both through holes.

  6) The locking device has a male member having a fitting convex portion and a female member having a fitting concave portion into which the fitting convex portion of the male member is fitted, and the female member of the locking device is attached to the flat plate portion and is male. The plant cultivation apparatus according to 4) above, wherein the member is attached to the reflection member, and is repeatedly fixed and released each time the male member is pressed.

  7) The LED lamp has a straight tube shape, and the pair of frame members facing each other in the frame of the lighting device has a vertical lamp receiving portion, and the lamp receiving portion of the pair of frame members is below the upper end thereof. A plurality of notches extending are formed at intervals in the length direction of the lamp receiver, and both ends of the LED lamp are fitted into the notches of the lamp receiver of the pair of frame members, The plant cultivation apparatus according to any one of 1) to 6) above, wherein both ends of the LED lamp are pressed from above by a pressing member fixed detachably, and a reflection member insertion groove is formed in the pressing member. .

  8) A socket attached to the power supply wiring is connected to a power supply pin provided at one end of at least one of the LED lamps in a portion outside the frame from the lamp receiving portion of the pair of frame members. The plant cultivation apparatus according to 7) above.

  9) The LED lamp has a straight tube shape, and a pair of frame members facing each other in the frame of the lighting device have a vertical lamp mounting portion, and a pin mounting portion is provided on the lamp mounting portion of the pair of frame members. The plant cultivation device according to any one of 1) to 6) above, wherein a socket having a detachable attachment is provided, and pins provided at both ends of the LED lamp are detachably attached to a pin attachment portion of the socket.

  10) A pair of elastic fingers are provided in the socket so as to be spaced apart from each other and protrude outward from the pin mounting portion, and opposite to the other fingers at the tip of each finger A claw portion protruding to the side is provided, and each finger portion is passed through a through hole formed at a distance from the lamp mounting portion, and the claw portion engages with a portion around the through hole in the lamp mounting portion. The plant cultivation apparatus according to 9) above.

  11) The LED lamp has a straight tube shape, and a holder for holding the LED lamp is attached to a pair of frame members facing each other in the frame of the lighting device so as to be movable in the longitudinal direction of the frame member. The plant cultivation apparatus according to any one of the above 1) to 6), which is fixed to the frame member by a fixing member at an arbitrary position in the longitudinal direction.

  12) A pair of opposing frame members in the frame of the lighting device is provided with a holder guide groove that opens downward and extends in the longitudinal direction of the frame member. A projecting piece projecting on the base member is provided, and the holder is provided with a base portion along the lower surface of both projecting pieces in a state of straddling both projecting pieces of the frame member, and a gripping portion integrally provided on the base portion for gripping the LED lamp. A holder guide groove having a nut that is arranged so that the fixing member does not rotate in the holder guide groove of the frame member and the base portion of the holder from below and between the tips of both projecting pieces of the frame member The plant cultivation apparatus according to the above 11), wherein the plant cultivation apparatus comprises a male screw part inserted into the bolt and the male screw part screwed into a nut.

  13) A plurality of mounting portions are provided in the cultivation rack at intervals in the vertical direction, and a plurality of portions that support the left and right long side edges of the lighting device are provided above the respective mounting portions in the cultivation rack. The plant cultivation apparatus according to any one of 1) to 12) above, wherein the support portions are provided at intervals in the vertical direction.

  According to the plant cultivation apparatus of 1) to 13) above, the lighting device is attached to and detached from the frame so as to be positioned above the LED lamp, a frame-shaped frame, a plurality of LED lamps detachably attached to the frame, and Since it is provided with a reflecting member that is freely attached and the reflecting surface faces downward, the light emitted from the LED lamp of the lighting device is not directly irradiated to the plant but also reflected by the reflecting surface of the reflecting member. And then irradiate the plant. Therefore, after using the minimum number of LED lamps necessary to secure the photon flux density necessary for the growth of the plant planted in the cultivation tank placed on the placement section, the cultivation tank placed on the placement section It is possible to make the photon flux density emitted to all plants planted in the plant uniform, and to reduce the equipment cost and the power consumption cost. In addition, since the position of the reflecting member with respect to the LED lamp is constant, even when the height position of the lighting device with respect to the mounting portion of the lighting device is changed, the necessary photon density is ensured according to the growing condition of the plant. be able to.

  According to the plant cultivation apparatus of 2), it is possible to replace the reflecting member relatively easily separately from the LED lamp.

  According to the plant cultivation apparatus of 3), it is possible to prevent the right and left side edges of the reflecting member from falling out of the reflecting member insertion groove.

  According to the plant cultivation apparatus of 4) above, it is possible to replace the reflecting member separately from the LED lamp.

  According to the plant cultivation apparatus of the above 5) and 6), the reflection member can be replaced relatively easily.

  According to the plant cultivation apparatus of 7) and 8) above, the LED lamp can be easily replaced as compared with the case where the LED lamp is attached via a mounting bracket as in the plant cultivation apparatus described in Patent Document 1. be able to.

  According to the plant cultivation apparatus of 9) above, it is possible to easily replace the LED lamp as compared with the case where the LED lamp is attached via a mounting bracket as in the plant cultivation apparatus described in Patent Document 1. .

  According to the plant cultivation apparatus of 10) above, it is possible to relatively easily attach the socket to the lamp attachment part. Further, a plurality of pairs of through holes through which a pair of finger portions of a socket corresponding to one LED lamp are passed with a distance in the longitudinal direction of the lamp mounting portion of the frame member with respect to one LED lamp. By forming it, it becomes possible to change the mounting position of each LED lamp in the longitudinal direction of the lamp mounting portion of the frame member. Therefore, it is possible to change the position of the LED lamp according to the type of plant to be planted in the cultivation tank and the growth situation, thereby adjusting the photon flux density irradiated to the plant.

  According to the plant cultivation apparatus of 11) and 12) above, it is possible to change the mounting position of each LED lamp in the longitudinal direction of the lamp mounting portion of the frame member. Therefore, it is possible to change the position of the LED lamp according to the type of plant to be planted in the cultivation tank and the growth situation, thereby adjusting the photon flux density irradiated to the plant.

  According to the plant cultivation apparatus of the above 12), the structure of the fixing member is simplified, and the fixing / releasing of the holder to the fixing member can be performed relatively easily.

It is a front view which shows the plant cultivation apparatus of this invention. It is the right view which abbreviate | omitted the cultivation tank of the plant cultivation apparatus of FIG. It is the sectional view on the AA line which omitted the cultivation tank of FIG. It is a principal part enlarged view of FIG. It is the BB sectional view taken on the line of FIG. FIG. 3 is an enlarged cross-sectional view taken along the line CC in FIG. 1. It is a principal part enlarged view of FIG. It is the DD sectional view taken on the line of FIG. It is a figure equivalent to FIG. 8 which shows the modification of the reflective member and pressing member of an illuminating device. FIG. 10 is a view corresponding to FIG. 7 showing the reflecting member and the pressing member of FIG. 9. A modification example of the receiving rail that supports the left and right side edges of the lighting device, the horizontal frame of the lighting device, a detachable mounting structure of the reflecting member to the horizontal frame, and a modified example of the mounting structure of the LED lamp to the horizontal frame FIG. 9 is a view corresponding to FIG. FIG. 12 is a view corresponding to FIG. 11 showing a state before the reflecting member is attached to the horizontal frame in the detachable attachment structure of the reflecting member to the horizontal frame shown in FIG. 11. It is the EE sectional view taken on the line of FIG. FIG. 14 is a view corresponding to FIG. 13 showing a state before the socket is attached to the lamp attachment portion in the structure for attaching the LED lamp to the horizontal frame. It is a figure equivalent to FIG. 8 which shows the other modification of the attachment structure to the horizontal frame of a LED lamp. It is the FF sectional view taken on the line of FIG.

  Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, the plant cultivation apparatus according to the present invention is applied to soil cultivation cultivation of plants.

  1 and 2 show the overall configuration of the plant cultivation apparatus of the present invention, and FIGS. 3 to 8 show the configuration of the main part thereof.

  In the following description, the term “aluminum” includes aluminum alloys in addition to pure aluminum.

  Moreover, the same code | symbol is attached | subjected to the same thing and the same part through all drawings.

  1 to 3, the plant cultivation device (1) is a cultivation rack in which a plurality of placement portions (4) for placing a cultivation tank (2) in which plants are planted in soil are provided at intervals in the vertical direction. (3) and an illuminating device (5) disposed on the cultivation rack (3) with an interval above each placement unit (4), and the illumination device (5) is provided with a placement unit ( It is attached to the cultivation rack (3) so that the height position of the lighting device (5) relative to 4) can be changed. The plant is planted in the soil placed in the cultivation tank (2).

  The cultivation rack (3) includes at least a pair of struts (6) made of two extruded aluminum columns (7) arranged in the front-rear direction and spaced in the left-right direction. There are 2 pairs, here 4 pairs. That is, three struts (7) are provided at the left and right ends of the cultivation rack (3) at intervals in the front-rear direction, and the front strut (7) and the middle strut (7) in the front-rear direction are provided. The front strut pair (6) is formed, and the rear strut pair (6) is formed by the rear end strut (7) and the middle strut (7) in the front-rear direction. Two sets of two support pairs (6) are provided side by side. The intermediate strut (7) in the front-rear direction is shared by the front and rear strut pairs (6).

  A plurality of extruded aluminum first crosspieces extending in the left-right direction between the front and rear struts (7) of the two strut pairs (6) adjacent to each other in the left-right direction of the cultivation rack (3) (8) is arranged at intervals in the vertical direction, and both ends of the first horizontal rail (8) are fixed to the column (7). In addition, a plurality of second extruded aluminum bars (9) extending in the front-rear direction are arranged at intervals in the vertical direction between the front and rear struts (7) forming each pair of struts (6). In addition, both the front and rear ends of the second horizontal rail (9) are fixed to the column (7). The first horizontal rail (8) and the second horizontal rail (9) are located at the same height.

  Placement section using at least one of the first horizontal beam (8) and the second horizontal beam (9) located at the same height excluding the upper horizontal rails (8, 9) ( 4) is formed. For example, a plurality of aluminum extruded profile receiving members (11) extending in the front-rear direction are arranged at intervals in the left-right direction between first horizontal bars (8) adjacent in the front-rear direction. A plurality of cultivation tanks (2) are placed on both the front and rear placement units (4) at intervals in the left-right direction.

  A plurality of extruded aluminum suspension members (12) for suspending the lighting device (5) are spaced in the left-right direction on the other first horizontal beam (8) except for the first horizontal beam (8) at the lower end. Fixed. The suspension members (12) of the first horizontal bars (8) adjacent in the vertical direction are fixed at the same position in the horizontal direction.

  As shown in FIGS. 4 and 5, the suspension member (12) has a vertical rectangular tube shape, and the length in the vertical direction is shorter than the interval between the mounting portions (4) adjacent in the vertical direction. Yes. On the front and rear sides of the first horizontal beam (8), an aluminum plate (13) with the upper part fixed to the first horizontal beam (8) and the lower part protruding downward from the first horizontal beam (8) is arranged. A portion near the upper end of the suspension member (12) is disposed between the lower portions of both plates (12) and is screwed to both plates (13). Lighting devices (on the left and right inner surfaces of both front and rear struts (7) of two pairs of front and rear struts (6) adjacent to each other with a spacing in the left and right direction and on both left and right side surfaces of all the suspension members (12) A plurality of extruded aluminum receiving rails (14) are provided at intervals in the vertical direction as support portions for supporting the left and right side edges of 5). Each receiving rail (14) is integrally provided in the vicinity of the upper end of the vertical portion (14a) and the vertical portion (14a) and from the horizontal portion (14b) protruding from the vertical portion (14a) to the lighting device (5) side. Become. Each receiving rail (14) provided on both front and rear struts (7) of each strut pair (6) has two sets of front and rear positioned at the left and right ends of the cultivation rack (3) with the longitudinal direction facing the front and rear direction. Arranged across the three columns (7) of the column pair (6), the vertical part (14a) is fixed to the column (7). Each of the receiving rails (14) provided on the left and right side surfaces of the suspension member (12) has three suspension members (12) provided at intervals in the front-rear direction with the longitudinal direction directed in the front-rear direction. The vertical portion (14a) is fixed to the suspension member (12).

  As shown in FIGS. 4 to 8, the lighting device (5) includes a frame-like horizontal frame (15) and a plurality of detachable attachments to the horizontal frame (15) with the longitudinal direction facing the left-right direction. A straight tubular LED lamp (16), and a plate-like reflecting member (17) which is detachably attached to the horizontal frame (15) so as to be positioned above the LED lamp (16) and whose reflecting surface faces downward. And is arranged between a pair of support columns (6) arranged at intervals in the left-right direction.

  The horizontal frame (15) consists of left and right frame members (18) made of extruded aluminum with the longitudinal direction oriented in the front-rear direction, and both front and rear ends of the left and right frame members (18) with the longitudinal direction oriented in the left-right direction. The front and rear frame members (19) are made of an aluminum extruded profile and are disposed between them and have both left and right ends fixed to the left and right frame members (18).

  The left and right frame members (18) are integrally provided at the lower end of the vertical lamp receiving portion (21) and the lamp receiving portion (21), project outward from the horizontal frame (15), and the receiving rail (14) The receiving portion (22) is received by the horizontal portion (14b). A plurality of notches (23) extending downward from the upper end are formed in the lamp receiving portion (21) at intervals in the front-rear direction. The lamp receiving part (21) is located inside the horizontal frame (15) from the projecting end of the horizontal part (14b) of the receiving rail (14) to the inside of the lighting device (5). The receiving part (22) has a first horizontal part (22a) connected to the lower end of the lamp receiving part (21) and a stepped part at the protruding end of the first horizontal part (22a) to the outside of the horizontal frame (15). And the second horizontal portion (22b) located below the first horizontal portion (22a), and the second horizontal portion (22b) is located on the horizontal portion (14b) of the receiving rail (14). Are slidable in the front-rear direction.

  Both the front and rear frame members (19) are substantially L-shaped in cross section comprising a horizontal portion (19a) and a vertical portion (19b) which is provided integrally with the outer edge of the horizontal frame (15) of the horizontal portion (19a) and extends downward. Is. Screw screw fitting grooves (24) for screwing tapping screw screws are formed on the lower surface of the horizontal portion (19a) and the surface facing the inner side of the horizontal frame (15) of the vertical portion (19b), and both left and right frame members (18) By screwing a tapping screw (not shown) that penetrates the lamp receiver (21) from the outside in the left and right direction into the screw screw fitting groove (24), the both front and rear frame members (19) are attached to the left and right frame members (18). It is fixed.

  The straight tubular LED lamp (16) is fitted into the notches (23) of the lamp receiver (21) of the left and right frame members (18) of the horizontal frame (15) at both left and right ends, and the horizontal frame (15 ) Is detachably attached to an aluminum extruded member pressing member (25). The holding member (25) is in the form of a horizontal strip with its longitudinal direction oriented in the front-rear direction, and both front and rear end portions are on the left and right end portions of the horizontal portion (19a) of the front and rear frame members (19) of the horizontal frame (15). It is fixed by a screw (26). On the lower surface of the pressing member (25), a lower projecting portion projecting downward from an intermediate portion in the left-right direction, and extending to the inner side of the horizontal frame (15) connected to the lower end of the lower projecting portion, and the projecting end is the retaining member (25 ) Of the horizontal frame (15) is formed integrally with a groove forming member (27) consisting of an inwardly projecting portion located at the same position as the inner end of the horizontal frame (15). A reflection member insertion groove (28) opened inward is formed. Further, an elastic member (29) extending in the front-rear direction is fixed to the outer portion of the horizontal frame (15) with respect to the groove forming member (27) on the lower surface of the pressing member (25). The left and right ends of the LED lamp (16) are pressed from above by the pressing member (25) through the elastic portion (29) material, thereby fixing the LED lamp (16). On the outer side of the horizontal frame (15) than the lamp receiving part (18) of the left and right frame members (18) of the horizontal frame (15), an energizing pin provided at one end of the LED lamp (16) ( A socket (32) attached to the power supply wiring (31) is connected to 16a). In the lighting device (5) adjacent in the left-right direction, the energizing pin (16a) is provided at the adjacent end of the LED lamp (16), and the socket (32) is connected to the energizing pin (16a). ing.

  The reflection member (17) has left and right side edges fitted into the reflection member insertion groove (28) of the pressing member (25), and a screw (33) penetrating the pressing member (25) and the reflecting member (17). Is screwed into a screw hole (not shown) provided in the groove forming member (27) to be detachably fixed to the pressing member (25). Therefore, the reflecting member (17) is detachable from the horizontal frame (15) separately from the LED lamp (16). The reflecting member (17) is formed with a through hole (35) for releasing heat generated from the power source (not shown) of the LED lamp (16).

  The receiving parts (22) of the left and right frame members (18) of the horizontal frame (15) of the lighting device (5) are each in accordance with the type of plant planted in the cultivation tank (2) and the growth status of the plant. It is placed on the horizontal part (14b) of the receiving rail (14) at any height provided above the placing part (4). And by changing the height position of the lighting device (5) with respect to the plant in the cultivation tank (2) placed on the mounting part (4), depending on the type of plant and the growth situation of the plant, It becomes possible to adjust the light intensity to irradiate.

  When it is necessary to replace the LED lamp (16), the socket (32) is removed from the energizing pin (16a), and then the screw (26) is removed to remove the pressing member (25). When maintenance or replacement of the reflecting member (17) becomes necessary, after removing the screw (33), the reflecting member (17) is moved forward or backward with respect to the pressing member (25). After removing from the horizontal frame (15), after maintenance, or the left and right side edges of the new reflecting member (17) from the front or rear in the reflecting member insertion groove (28) of the left and right holding members (25). Then, the screw (33) penetrating the pressing member (25) and the reflecting member (17) is screwed into a screw hole (not shown) provided in the groove forming member (27).

  In the above embodiment, the plant cultivation device is applied to soil cultivation of plants planted in the soil placed in the cultivation tank (2), but is not limited thereto, Sometimes applied to hydroponics of plants. In this case, a single cultivation tank that is long in the left-right direction is placed on each mounting part (4), the upper side of the cultivation tank is covered with a cover, and the roots extend under the cover and the stem covers It is planted in the cultivation tank so as to extend above the cover through the through-hole formed in. And the nutrient solution containing a water | moisture content and a nutrient is supplied to a cultivation tank, and this nutrient solution is circulated and utilized.

  9 and 10 show a modification of the reflecting member (17) of the lighting device and the pressing member (25) for detachably fixing the LED lamp (16) to the horizontal frame (15).

  9 and 10, upper folding portions (40) are respectively provided on the entire circumference of the reflecting member (17), that is, on both the left and right side edges and the front and rear side edges. Further, the groove (28) is formed in the inner end of the horizontal frame (15) of the upper wall of the reflection member insertion groove (28) of the holding member (25) for detachably fixing the LED lamp (16) to the horizontal frame (15). A convex portion (41) protruding inward (downward) is provided. The lower surface of the convex portion (41) has a semi-cylindrical surface shape.

  Other configurations of the plant cultivation device (1) are the same as those in the above-described embodiment.

  When a force is applied to the reflecting member (17) to pull the part fitted in the reflecting member insertion groove (28) outward from the groove (28) (inward of the horizontal frame (15)), the left and right edges When the upper folded portion (40) is engaged with the convex portion (41), the reflection member (17) is prevented from coming off from the reflection member insertion groove (28). Further, the left and right side edges of the reflecting member (17) and the upper folded parts (40) of the front and rear side edges have a function of preventing deformation of the reflecting member (17) when the reflecting member (17) is replaced. Therefore, the replacement work of the reflecting member (17) is simplified.

  FIGS. 11-14 are the receiving rail which supports the right-and-left both-sides edge part of an illuminating device, the modification of the horizontal frame of an illuminating device, the detachable attachment structure to the horizontal frame of a reflecting member, and the horizontal frame of an LED lamp The modification of the attachment structure to is shown.

  As shown in FIG. 11 and FIG. 12, the left and right inner surfaces of both front and rear struts (7) of two pairs of front and rear struts (6) adjacent to each other with a spacing in the left and right direction, and all the suspension members (12) The aluminum extruded profile receiving rails (50) provided on the left and right side surfaces of the vertical portion (50a) fixed to the support column (7) or the suspension member (12) and the upper end of the vertical portion (50a) It consists of a horizontal part (50b) projecting toward the illuminating device (5) side by side and a vertical receiving part (50c) projecting upwards integrally from the tip of the horizontal part (50b).

  The left and right frame members (51) made of aluminum extruded profile of the horizontal frame (15) of the lighting device (5) are integrally provided at the upper end of the vertical lamp mounting portion (52) and the lamp mounting portion (52). And a horizontal flat plate-shaped receiving portion (53) (flat plate portion) that projects outward from the horizontal frame (15) and is received by the vertical receiving portion (50c) of the receiving rail (50). Then, by tapping a tapping screw (not shown) penetrating the lamp mounting part (52) of the left and right frame members (51) from the outside in the left and right direction into the screw screw fitting grooves (24) of the front and rear frame members (19). Both the front and rear frame members (19) and the left and right frame members (51) are fixed.

  In the portion of the horizontal frame (15) that is received by the vertical receiving portion (50c) of the receiving rail (50) in the receiving portion (53) of the left and right frame members (51), the receiving portion ( 53) A plurality of through-holes (54) are formed at intervals in the longitudinal direction (front-rear direction), and a through-hole (55) is formed at the portion of the reflective member (17) that coincides with the through-hole (54) Has been. Then, the reflecting member (17) uses both through holes (54) and (55), and uses a locking device (56) that can be fixed and released, and the left and right frame members (51) of the horizontal frame (15). It is detachably attached to the receiving part (53).

  The locking device (56) is movably inserted into the grommet (57) passed through the receiving portion (53) and the through holes (54) and (55) of the reflecting member (17) and the grommet (57) from above. And a plunger (58) having a shaft portion (58a). The grommet (57) is integrally formed with an annular seat (57a) along a portion around the through hole (55) on the outer surface of the reflecting member (17), and one surface of the annular seat (57a) at a circumferential interval. And a plurality of legs (57b) that are passed through the through holes (54) and (55), and by pushing and pulling the plunger (58), the legs (57b) of the grommet (57) A fixed position that elastically deforms and expands radially outward to engage with a portion around the through hole (54) in the receiving portion (53) to fix the reflecting member (17) to the receiving portion (53) ( 11) and a release position that can pass through both through holes (54) and (55) (see FIG. 12).

  As the locking device (56), for example, a latch made by Tochigiya Co., Ltd., “Nai Latch” can be adopted.

  Further, the detachable attachment of the reflecting member (17) to the receiving portion (53) is performed by replacing the locking device (56) shown in FIGS. 10 and 11 with a male member having a fitting convex portion and a male member. And a female member having a fitting concave part into which the fitting convex part is fitted, the female member is attached to the receiving part (53) and the male member is attached to the reflecting member (17), and the male member is pushed. You may use the locking device which repeats fixation and cancellation | release every time. As this locking device, for example, a small fastener, “Cam Lock Fastener” manufactured by TAKIGEN Manufacturing Co., Ltd. can be used. Furthermore, a locking device comprising a snap button can be used.

  As shown in FIG. 11 to FIG. 14, the power supply wiring (in the portion facing the inner side of the horizontal frame (15) in the lamp mounting portion (52) of the left and right frame members (51) of the horizontal frame (15). 59) and a socket (60) having a pin mounting portion (not shown) is detachably attached, and pins (60a) provided at both left and right ends of the straight tubular LED lamp (16) are sockets. It is detachably mounted on the pin mounting portion of (60).

  A pair of elastic fingers (61) are provided on the socket (60) so as to be spaced apart at equal angular intervals in the circumferential direction and project outward, and at the tip of each finger (61), A claw portion (62) protruding on the opposite side to the other finger portion (61) is provided. Each finger part (61) is passed through a through hole (63) formed in the lamp mounting part (52) of the left and right frame members (51) at intervals in the front-rear direction, and the claw part (62 ) Engages with the part around the through hole (63) in the lamp mounting part (52), so that the socket (60) is detachably mounted on the lamp mounting part (52) of the left and right frame members (51). ing. That is, the claw portion (62) is sized so as to pass through the through hole (63), and the shape of the claw portion (62) penetrates when the claw portion (62) passes through the through hole (63). The claw part (62) is pushed by the edge of the hole (63), and the finger part (61) has a shape that can be elastically deformed as shown by a chain line in FIG. When the claw portion (62) passes through the through hole (63), the finger portion (61) returns to its original shape due to its own elastic force, and the claw portion (62) becomes the through hole (63) in the lamp mounting portion (52). Engage with the surrounding parts.

  Although not shown in the drawing, a pair of through holes (63) through which a pair of fingers (61) of a socket (60) corresponding to one LED lamp (16) is passed are provided as one LED lamp (16). On the other hand, it is preferable to form a plurality of pairs at intervals in the longitudinal direction of the lamp mounting portion (52) of the left and right frame members (51).

  Other configurations of the plant cultivation device (1) are the same as those in the above-described embodiment.

  15 and 16 show another modification of the structure for attaching the LED lamp to the horizontal frame.

  15 and 16, the holder (75) for holding the LED lamp (16) is mounted on the left and right frame members (70) made of aluminum extruded profile of the horizontal frame (15) of the lighting device (5). The holder (75) is movably attached in the longitudinal direction of the member (70), and the holder (75) is fixed to the left and right frame members (70) by a fixing member (76) at an arbitrary position in the longitudinal direction of the left and right frame members (70). It is fixed.

  The left and right frame members (70) each include a horizontal flat plate-shaped receiving portion (71) that is received by the vertical receiving portion (50c) of the receiving rail (50), and the receiving rail (50) in the receiving portion (71) A holder guide groove (72) that opens downward and extends in the longitudinal direction of both the left and right frame members (70) is provided at the end located inward of the horizontal frame (15). Protruding pieces (73) projecting inward from the groove (72) are provided at the lower edge portions of both side surfaces of the holder guide groove (72).

  The holder (75) is integrated with the base part (77) and the base part (77) along the lower surface of both projecting pieces (73) in a state straddling both projecting pieces (73) of the left and right frame members (70). It has a holding part (78) that is provided and holds the LED lamp (16). The fixing member (76) includes a nut (79) and a bolt (80) arranged so as not to rotate in the holder guide groove (72) of the left and right frame members (70). The bolt (80) penetrates the base part (77) of the holder (75) from below and passes between the tips of the protruding pieces (73) of the left and right frame members (70) into the holder guide groove (72). The male screw portion (80a) is inserted, and the male screw portion (80a) is screwed into the nut (79).

  Other configurations of the plant cultivation apparatus (1) are the same as those shown in FIGS.

  The plant cultivation device according to the present invention is suitably used in plant factories, vegetable factories, seedling raising devices and the like using an illumination device as an artificial light source.

(1): Plant cultivation equipment
(2): Cultivation tank
(3): cultivation rack
(4): Placement section
(5): Lighting device
(7): Prop
(14): Receiving rail (support)
(15): Horizontal frame
(16): LED lamp
(16a): Power supply pin
(17): Reflective member
(18): Left and right frame members
(21): Lamp holder
(23): Notch
(25): Holding member
(28): Reflecting member insertion groove
(31): Power supply wiring
(32): Socket
(40): Upper folded part
(41): Convex
(51): Left and right frame members
(52): Lamp mounting part
(53): Receiving part (flat part)
(54) (55): Through hole
(56): Locking device
(57): Grommet
(57a): Circular seat
(57b): Leg
(58): Plunger
(59): Power supply wiring
(60): Socket
(60a): Pin
(61): Finger
(62): Claw
(63): Through hole
(70): Left and right frame members
(72): Holder insertion groove
(73): Convex
(75): Holder
(76): Fixed member
(77): Base part
(78): Grasping part
(79): Nut
(80): Bolt
(80a): Male thread

Claims (12)

A plurality of support columns, and a cultivation rack having a placement unit on which a cultivation tank in which plants are planted and which are provided using the support columns are placed, and an illumination device arranged on the cultivation rack with an interval above the placement unit, A plant cultivation device attached to the cultivation rack so that the illumination device can change the height position of the illumination device with respect to the placement unit,
The lighting device is a frame-shaped frame, a plurality of LED lamps that are detachably attached to the frame, and a reflection surface that is detachably attached to the frame so as to be positioned above the LED lamps, and the reflection surface faces downward. With members ,
The reflecting member of the lighting device is plate-shaped, and extends in the front-rear direction and opens toward the inner side of the frame at a portion above the LED lamp in the frame of the lighting device and near the left and right side edges, and the reflecting member The reflection member insertion grooves into which the left and right side edges of the reflection member are inserted are formed, and either one of the front and rear ends of both reflection member insertion grooves is open, and the left and right side edges of the reflection member are the reflection members. A plant cultivation device adapted to be fitted through an opening at either one of the front and rear of the fitting groove . Upper folded portion is provided on the right and left side edge portions of the reflecting member, the reflecting member fitting groove on claim 1, wherein the plant protruding portion protruding into a groove inwardly opening end of the groove is provided in the side wall Cultivation equipment. A plurality of support columns, and a cultivation rack having a placement unit on which a cultivation tank in which plants are planted and which are provided using the support columns are placed, and an illumination device arranged on the cultivation rack with an interval above the placement unit, A plant cultivation device attached to the cultivation rack so that the illumination device can change the height position of the illumination device with respect to the placement unit,
The lighting device is a frame-shaped frame, a plurality of LED lamps that are detachably attached to the frame, and a reflection surface that is detachably attached to the frame so as to be positioned above the LED lamps, and the reflection surface faces downward. With members,
The reflecting member of the lighting device is plate-shaped, and a flat plate portion that receives the reflecting member is provided in a pair of frame members facing each other in the frame of the lighting device in a portion above the LED lamp in the frame of the lighting device, and is reflected member, plant cultivation device that has been removably attached to the flat plate portion with a fixed-releasable locking device. The locking device includes a through hole formed in the reflecting member, a grommet passed through the through hole formed in the flat plate portion, and a plunger having a shaft portion that is movably inserted into the grommet from above. An annular seat portion along a portion around the through hole on the upper surface of the reflecting member, and a plurality of leg portions that are integrally provided on one surface of the annular seat portion at intervals in the circumferential direction and passed through the through holes. A fixing position in which the leg portion of the grommet is elastically deformed by pushing and pulling the plunger, spreads radially outward, engages with a portion around the through hole in the flat plate portion, and fixes the reflecting member to the flat plate portion. The plant cultivation apparatus according to claim 3 , wherein the plant cultivation apparatus is switched between a release position that can pass through both through holes. The locking device includes a male member having a fitting convex portion and a female member having a fitting concave portion into which the fitting convex portion of the male member is fitted, and the female member of the locking device is attached to the flat plate portion and the male member is The plant cultivation device according to claim 3 , wherein the plant cultivation device is attached to the reflection member, and is repeatedly fixed and released each time the male member is pressed. The LED lamp has a straight tube shape, and a pair of frame members facing each other in the frame of the lighting device has a vertical lamp receiving part, and extends downward from the upper end of the lamp receiving part of the pair of frame members. A plurality of notches are formed at intervals in the length direction of the lamp receiver, and both ends of the LED lamp are fitted into the notches of the lamp receiver of the pair of frame members, and are detachable from the frame. and both ends of the LED lamp is pressed from above by a fixed pressing member, plant cultivation device according to claim 1 or 2, wherein the reflecting member fitting groove in the pressing member is formed. The socket attached to the wiring for electric power feeding is connected to the energizing pin provided in the at least any one end part of the LED lamp in the part outside a frame rather than the lamp receiving part of a pair of said frame member. 6. The plant cultivation apparatus according to 6 . The LED lamp has a straight tube shape, a pair of frame members facing each other in the frame of the lighting device have a vertical lamp mounting portion, and a socket having a pin mounting portion on the lamp mounting portion of the pair of frame members The plant cultivation apparatus according to any one of claims 1 to 5 , wherein the pin is detachably attached, and pins provided at both ends of the LED lamp are detachably attached to the pin attachment portion of the socket. A pair of elastic fingers are provided on the socket so as to be spaced apart from each other and to protrude outward from the pin mounting portion, and at the tip of each finger on the side opposite to the other fingers A protruding claw portion is provided, and each finger portion is passed through a through hole formed at a distance from the lamp mounting portion, and the claw portion is engaged with a portion around the through hole in the lamp mounting portion. The plant cultivation apparatus according to claim 8 . The LED lamp has a straight tube shape, and a holder for holding the LED lamp is attached to a pair of frame members facing each other in the frame of the lighting device so as to be movable in the longitudinal direction of the frame member. at any position in the direction, the plant cultivation device according to any one of claims 1 to 5 which is fixed to the frame member by a fixing member. A pair of frame members facing each other in the frame of the lighting device is provided with a holder guide groove that opens downward and extends in the longitudinal direction of the frame member, and projects inwardly at the lower edge of both side surfaces of the holder guide groove. The holder has a base portion along the lower surface of both protruding pieces in a state straddling both protruding pieces of the frame member, and a gripping portion that is provided integrally with the base portion and grips the LED lamp. The fixing member passes through the base portion of the holder from below and the nut arranged so as not to rotate in the holder guide groove of the frame member, and passes between the tips of both protruding pieces of the frame member into the holder guide groove. The plant cultivation device according to claim 10 , wherein the plant cultivation device includes an inserted male screw portion, and the male screw portion is a bolt that is screwed onto a nut.   A plurality of mounting portions are provided in the cultivation rack at intervals in the vertical direction, and a plurality of supports that support the left and right long side edges of the lighting device in a portion above each mounting portion in the cultivation rack The plant cultivation apparatus according to any one of claims 1 to 11, wherein the portions are provided at intervals in the vertical direction.

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