JP5875806B2 - Illuminated cultivation system - Google Patents

Description

  The present invention relates to a lighted cultivation system installed in a plant factory or the like.

  In a plant factory, in order to increase the number of cultivation per unit area, a multistage cultivation system in which cultivation parts are multistaged is generally used. Lighting equipment (fluorescent lamps, LEDs, high-pressure Na lamps, etc.) for promoting the photosynthesis of plants is attached at predetermined positions to the cultivation parts of each stage in the multi-stage cultivation system regardless of the size of the plant to be cultivated. It has been. For this reason, the illumination intensity of the light irradiated to the cultivation part from a lighting fixture is always constant.

JP 2011-50288 A JP-A-8-266152 JP-A-6-197673

  However, in the above-described conventional multistage cultivation system, light is always applied to the plant body by a lighting fixture attached at a fixed position regardless of the size of the plant to be cultivated. Therefore, if the required illuminance is set in accordance with the time when the plant body to be cultivated is small, light exceeding the required illuminance is irradiated when the plant body becomes larger due to growth. Alternatively, if the necessary illuminance is set according to the time when the plant body becomes large, the illuminance is insufficient when the plant body is small. In addition, when the illuminance is set / adjusted as necessary, regardless of the size of the plant body, the illuminance control for the lighting fixture is required, which causes a problem that the equipment cost increases.

  An object of the present invention is to provide a lighted cultivation system that can always irradiate a plant with light having a necessary illuminance, and can suppress equipment costs, regardless of a change in size due to growth of the plant to be cultivated.

The illuminated cultivation system according to the present invention includes, as a basic configuration, a rack in which the cultivation product placement shelves are installed in a plurality of stages on the rack body, and a cultivation product placement shelf that is positioned above each cultivation product placement shelf. A plurality of lighting fixtures for irradiating the cultivated product and a lighting fixture lifting mechanism for supporting these lighting fixtures so that the vertical position can be changed with respect to the rack body.

  According to this structure, since the lighting fixture lifting mechanism that supports the lighting fixture in such a manner that the vertical position can be changed with respect to the rack body is provided, it is only necessary to adjust the height against the change in size due to the growth of the plant body to be cultivated. The plant body can always be irradiated with light of the required illuminance. Therefore, since excessive equipment such as a control device is not required and simple equipment can be used, equipment costs can be suppressed. Moreover, when increasing required illumination intensity, it can respond by making it adjoin to the plant body which grows a lighting fixture, Therefore The load of a lighting fixture can be reduced. Furthermore, adjustment of illuminance can be used by anyone without requiring skill.

Before SL luminaire lifting mechanism, illumination stop and lifting unit which biases lift the luminaire mounted on the rack body, an increase in the lighting device attachment positions of the upper and lower in the rack body mounted variably It consists of a stopper tool .
In this case, since the weight of the lighting fixture is lifted and biased by the lifting unit, it is not necessary for the operator to support the lighting fixture when changing the vertical position manually. Easy.

Before SL luminaire reflector and has a fixture main body extending in the width direction of the rack body having a plurality of light sources retainer and a plurality of light sources held the each light source holder, the lifting unit And the said illumination stopper tool may be provided in the multiple places of the width direction of the said rack main body.

Before SL lifting unit includes a vertical frame and the parallel link mechanism in which the upper and lower frame having a plurality of links for connecting the upper and lower frames are respectively attached to the instrument body of the rack body and luminaire, the upper and lower A lifting force applying mechanism that is provided between the frames and lifts and biases the lower frame with respect to the upper frame by a spring member may be used.
Thus, when the raising / lowering unit is configured using the parallel link mechanism, the lighting fixture can be raised and lowered without being displaced in the front-rear direction and the left-right direction. In addition, the parallel link mechanism makes the configuration compact compared to the case where guides for preventing displacement are provided around the periphery.

Before Symbol illumination stopper member includes a repositionable clamping with tool up and down clamping with force releasing state vertical frame of the rack body sandwiching releasably clamping with force, the stopper piece which engages with the luminaire It may be made up of.
When the lighting stopper device is configured in this manner, it is possible to easily perform an operation of stopping the lighting device from rising.

The first and second illuminated cultivation systems of the present invention both have a rack in which a cultivation product shelf is installed in a plurality of stages above and below the rack body, and a cultivation product located above each cultivation product shelf. A plurality of lighting fixtures that irradiate the cultivation on the mounting shelf and a lighting fixture lifting mechanism that supports the lighting fixtures so that the vertical position can be changed with respect to the rack main body. Regardless of the size, the plant body can always be irradiated with light having the required illuminance, and the equipment cost can be suppressed.
The lighting fixture elevating mechanism includes a lifting unit that is attached to the rack body and lifts and urges the lighting fixture, and an illumination stopper that is vertically attached to the rack body to stop the lighting fixture from rising. Therefore, when the operator manually changes the vertical position, it is not necessary to support the lighting apparatus, and the position changing operation is easy.
In the first illuminated cultivation system according to the present invention, the lighting fixture further includes a reflector plate and a plurality of light source holders, and is held by the fixture body and the light source holders extending in the width direction of the rack body. A plurality of light sources, and the lifting unit and the lighting stopper are provided at a plurality of locations in the width direction of the rack body, and the lifting unit further includes upper and lower frames and the upper and lower frames. A parallel link mechanism having a plurality of links to be connected, and the upper and lower frames are respectively attached to the rack body and the fixture body of the lighting fixture, and the lower frame is spring-loaded with respect to the upper frame provided between the upper and lower frames Because it consists of a lifting force application mechanism that lifts and biases by a member, the lighting fixture can be raised and lowered without being displaced forward and backward or left and right In addition, the parallel link mechanism makes the configuration compact compared to the case where guides for preventing displacement are provided around the periphery.
In the second cultivation system with illumination according to the present invention, the illumination stopper device sandwiches the vertical frame of the rack body so as to be able to release the clamping force, and the clamping tool capable of changing the position vertically in the clamping force released state. Since the stopper piece engages with the lighting fixture, the work for stopping the lighting fixture from rising can be easily performed.

(A) is the perspective view which looked at the cultivation system with illumination which concerns on one Embodiment of this invention from the front side, (B) is the perspective view which looked at the cultivation system with illumination from the back side. It is a front view of the cultivation system. It is a right view of the cultivation system. It is a rear view of the cultivation system. (A) is a top view of the cultivation system, (B) is a sectional view of a horizontal frame of the rack body in the cultivation system, and (C) is a sectional view of a vertical frame of the rack body. (A) is a sectional view taken along the line VI-VI in FIG. 2 showing the lighting fixture of the cultivation system set at the lower position, and (B) is a diagram showing the lighting fixture of the cultivation system set at the upper position. FIG. 6 is a sectional view taken along the line VI-VI in FIG. It is VII-VII arrow sectional drawing of FIG. 5 (A). (A) is the perspective view shown in the state which set the lighting fixture of the cultivation system to the upper position, (B) is the perspective view which shows the state in which the lighting fixture of the cultivation system was set to the lower position. It is sectional drawing of the lighting fixture in the cultivation system. It is a perspective view which shows the lighting fixture and lighting fixture raising / lowering mechanism in the cultivation system. (A) is the perspective view which looked at the state which the lighting fixture raising / lowering mechanism in the cultivation system supports a lighting fixture in a downward position from the upper direction, (B) is the perspective view which looked at the lighting fixture raising / lowering mechanism from the bottom. (A) is a front view which shows the state which a lighting fixture lifting mechanism supports a lighting fixture in a downward position, (B) is the side view. It is XIII-XIII arrow sectional drawing of FIG. 12 (B). (A) is the perspective view which looked at the state which the lighting fixture raising / lowering mechanism in the cultivation system supports a lighting fixture in an upper position from the upper direction, (B) is the perspective view which looked at the lighting fixture raising / lowering mechanism from the bottom. (A) is the front view which shows the state which the lighting fixture raising / lowering mechanism in the cultivation system supports a lighting fixture in an upper position, (B) is the same side view, (C) is the same top view, (D) is the same bottom view. It is. It is XV1-XVI arrow sectional drawing of FIG. 15 (B). 15A is a sectional view taken along the arrow XVIIa-XVIIa in FIG. 15A, FIG. 15B is a sectional view taken along the arrow XVIIb-XVIIb in FIG. 15A, and FIG. 15C is a sectional view taken along the arrow XVIIc-XVIIc in FIG. FIG. 15D is a sectional view taken along the line XVIId-XVIId in FIG. (A) (B) is a perspective view which respectively shows the installation part of the illumination stopper tool in the cultivation system. (A) is the perspective view which looked at the illumination stopper tool from the front side, (B) is the perspective view which looked at the illumination stopper tool from the back side. (A) is a top view of the illumination stopper tool, and (B) is a front view of the same. It is XXI-XXI arrow sectional drawing of FIG. 20 (B). (A) is a right side view of the illumination stopper device, and (B) is a rear view thereof.

  An embodiment of the present invention will be described with reference to FIGS. 1 (A) and 1 (B) show perspective views of the illuminated cultivation system of this embodiment as viewed from the front side and the back side, and FIGS. 2, 3, 4 and 5 (A) are front views. Figure, right side view, rear view and plan view are shown. This illuminated cultivation system is a multi-stage cultivation system that is installed in a plant factory and is used for plant cultivation, and a rack 1 in which a cultivation product mounting shelf 3 is installed in a plurality of upper and lower stages on a rack body 2; A plurality of lighting fixtures 4 (FIG. 6) that are positioned above each of the crop placement shelves 3 and irradiate the crops on the crop placement shelves 3, and these lighting fixtures 4 are moved up and down with respect to the rack body 2. And a lighting fixture lifting mechanism 5 that supports the position changeable.

  The rack body 2 includes a plurality of vertical frames 14 erected at front and rear positions at both left and right ends, a width direction extending between the front left and right vertical frames 14 and 14, and a rear left and right vertical frames 14 and 14. A plurality of upper and lower steps in the width direction and a plurality of upper and lower steps extending in the depth direction and connecting the left and right vertical frames 14 and 14 and the right and left vertical frames 14 and 14. And a horizontal frame 16. 5B shows a cross-sectional view of the horizontal frame 15 in the depth direction, and FIG. 5C shows a cross-sectional view of the vertical frame 14.

  In the example shown in the figure, the cultivation product placing shelves 3 are installed in four stages. The cultivar mounting shelves 3 at each stage share the width-direction horizontal frame 15 and the depth-direction horizontal frame 16 of the rack body 2 as part of the constituent members, respectively, and further, between the front and rear width-direction horizontal frames 15, 15. A plurality of crosspiece members 17 arranged in the width direction are connected to each other. A cultivation tray 13 is placed on the cultivation product placement shelf 3 at each stage as shown in FIG. Further, immediately below the illuminated cultivation system, a nutrient solution tank 18 is arranged as shown in FIG. 2, and a nutrient solution supply pipe 19 and a nutrient solution supply valve 20 (FIG. 2) piped along the rack body 2. 5 and 6), the nutrient solution is supplied to the cultivation tray 13 on each cultivation product mounting shelf 3.

  Corresponding to the cultivation product mounting shelves 3 of each stage, the lighting fixtures 4 are provided above the cultivation product mounting shelves 3. The lighting fixture 4 includes a lighting reflector 6 and a plurality of light source holders 8 extending in the width direction of the rack body 2, as shown in cross-sectional and perspective views in FIGS. A plurality of light sources 9 held by the respective light source holders 8. The light source holder 8 is a socket or the like having a terminal (not shown) that is electrically connected to the light source 9. The light source 9 is composed of, for example, a round bar-shaped fluorescent lamp or an LED lamp. Each light source 9 is attached to the back surface of the illumination reflector 7 in parallel in the front-rear direction. White coating is applied to the back surface, which is the reflection surface of the illumination reflector 7. The illumination reflector 7 has downward bent portions 7a at the front and rear ends thereof, and a handle 10 for adjusting the height position of the luminaire 4 is provided on the front surface of the bent portion 7a at the front end. Thereby, the light from the lighting fixture 4 is efficiently irradiated to the plant of the cultivation product mounting shelf 3. In addition, as shown in FIG. 1, the side reflector 11 and the back reflector 12 are provided in the both sides | surfaces and back surface of the rack main body 2, and, thereby, the light from the lighting fixture 4 is irradiated to a plant more efficiently.

  The lighting fixture lifting mechanism 5 shown in FIG. 1 includes a lifting unit 21 shown in perspective views in FIGS. 10 and 11 and a lighting stopper tool 22 shown in an enlarged perspective view in FIG. As shown in FIG. 5A and FIG. 7 showing a cross-sectional view taken along the arrow VII-VII in the same figure, the lifting unit 21 spans between the widthwise horizontal frames 15 and 15 before and after each stage in the rack body 2. Are attached to lift the illuminating device 4 at each stage. Here, two lifting / lowering units 21 are used for each stage of the lighting fixture 4, and these lifting / lowering units 21 are arranged side by side in the width direction. As shown in FIG. 8, the lighting stoppers 22 are attached to the left and right ends of the front portion of the rack body 2 so that the upper and lower mounting positions are variably stopped to prevent the lighting fixtures 4 at each stage from rising.

  The lifting unit 21 includes a parallel link mechanism 23 and a lifting force applying mechanism 24 as shown in front and side views in FIGS. The parallel link mechanism 23 includes upper and lower frames 25 and 26 and a plurality of (here, two) links 27A and 27B connecting the upper and lower frames 25 and 26. The upper frame 25 is directly attached to the widthwise horizontal frame 15 before and after the rack body 2, and the lower frame 26 is attached to the upper surface of the illumination reflector 7 that constitutes the fixture body 6 of the lighting fixture 4. The links 27 </ b> A and 27 </ b> B are pivotally mounted at an intermediate portion that intersects with each other, and one link 27 </ b> A has a lower end rotatably connected to the lower frame 26, and an upper end in the longitudinal direction of the upper frame 25. The elongated guide long hole 25a is movably engaged along the long guide hole 25a. The other link 27B has an upper end rotatably connected to the upper frame 25, and a lower end that is movable along the guide long hole 26a into a guide long hole 26a extending in the longitudinal direction of the lower frame 26. Is engaged. By this parallel link mechanism 23, the lighting fixture 4 is supported so that the position of the lighting fixture 4 can be adjusted vertically.

  The lifting force applying mechanism 24 is a mechanism that is provided between the upper and lower frames 25 and 26 of the parallel link mechanism 23 and lifts and biases the lower frame 26 against the upper frame 25 by a spring member 24a. Here, the lifting force applying mechanism 24 has a winding type structure, and one end of a flexible band member 28 urged toward the winding side is attached to the upper frame 25 of the parallel link mechanism 23, and the band member 28. The other end is fixed to the lower frame 23 of the parallel link mechanism 20 with a stop member 29 (FIG. 13). The spring member 24a is made of, for example, a spring.

  12 shows the elevating unit 21 in a state where the lower frame 26 of the parallel link mechanism 23 is spaced downward from the upper frame 25. 11A shows a perspective view of the lifting unit 21 in this state as seen from above, FIG. 11B shows a perspective view as seen from below, and FIG. 13 shows XIII- in FIG. XIII shows a cross-sectional view taken along the arrow. 14A is a perspective view of the lifting unit 21 in a state where the lower frame 26 of the parallel link mechanism 23 is close to the upper frame 25, and FIG. 14B is viewed from the lower side. 15A to 15D show a front view, a side view, a plan view, and a bottom view of the lifting unit 21 in that state, respectively, and FIG. 16 shows an XVI in FIG. -XVI Shows a cross-sectional view.

  17 (A) to 17 (D) are XVIIa-XVIIa arrow sectional view, XVIIb-XVIIb arrow sectional view, XVIIc-XVIIc arrow sectional view, and XVIId-XVIId arrow sectional view of FIG. 15 (A). Each is shown. Details of the configuration of the lifting unit 21 will be described below with reference to these drawings. As shown in FIG. 17A, the upper end of the link 27A having a U-shaped cross section of the parallel link mechanism 23 is disposed in the upper frame 25 having the same U-shaped cross section. A guide shaft 30 penetrating through the guide frame 30 is engaged with a guide long hole 25 a of the upper frame 25. The guide shaft 30 is provided with a resin bush 31 and a resin washer 32 interposed between the inner wall surface of the upper frame 25 and the outer wall surface of the link 27A, and a resin collar 33 in contact with the guide long hole 25a of the upper frame 25, respectively. The guide shaft 30 is prevented from coming off by a push nut 34 that is separately attached to the guide shaft 30 and contacts the outer wall surface of the upper frame 25. The lower end of the other link 27B having a U-shaped cross section of the parallel link mechanism 23 is also disposed in the lower frame 26 having the same U-shaped cross section, and the guide penetrates in the width direction at the lower end of the link 27B. The shaft 35 is engaged with the guide long hole 26 a of the lower frame 26. The guide shaft 35 is provided with a resin bush 36 interposed between the inner wall surface of the lower frame 26 and the outer wall surface of the link 27B, and a resin collar 37 in contact with the guide long hole 26a of the lower frame 26, respectively. Separately, the guide shaft 35 is prevented from coming off by a push nut 38 attached to the guide shaft 35 and in contact with the outer wall surface of the lower frame 26.

  As shown in FIG. 17B, a support shaft 39 that penetrates both links 27A and 27B in the width direction is provided at the intersection of both links 27A and 27B of the parallel link mechanism 23. The support shaft 39 has a link 27A. The resin bush 40 interposed between the outer wall surface of the link 27B and the inner wall surface of the link 27B and the resin bush 41 in contact with the outer wall surface of the link 27B are mounted, respectively, and are separately mounted on the support shaft 39 and in contact with the resin bush 41. The support shaft 39 is prevented from coming off by the nut 42.

  As shown in FIG. 17C, in a portion where the link 27B of the parallel link mechanism 23 is rotatably connected to the upper frame 25, a support shaft 43 that penetrates the upper frame 25 and the link 27B in their width direction is provided. A resin bush 44 interposed between the inner wall surface of the upper frame 25 and the outer wall surface of the link 27B and a resin bush 45 in contact with the outer wall surface of the upper frame 25 are mounted on the support shaft 43, respectively. The support shaft 43 is prevented from coming off by a push nut 46 attached to the shaft 43 and in contact with the resin bush 45. Further, in a portion where the other link 27A is pivotally attached to the lower frame 26, a support shaft 47 that penetrates the lower frame 26 and the link 27A in the width direction thereof is provided. A resin bush 48 and a resin washer 63 interposed between the inner wall surface of the side frame 26 and the outer wall surface of the link 27 </ b> A, and a resin bush 49 in contact with the outer wall surface of the lower frame 26 are respectively mounted on the support shaft 47. The support shaft 47 is prevented from coming off by the push nut 50 in contact with the resin bush 49.

  As shown in FIG. 17D, the attachment portion of the lifting force applying mechanism 24 in the upper frame 25 of the parallel link mechanism 23 is provided with a winding shaft 51 that penetrates the upper frame 25 in the width direction. Resin collars 52 that are in contact with the shaft through-holes of the upper frame 25 are attached to both ends of the upper frame 25, and the take-up shaft 51 is prevented from coming off by cap bolts 53 that are screwed into both ends of the take-up shaft 51. A washer 71 is interposed between the head of the cap bolt 53 and the end surface of the winding shaft 51.

  As shown in FIGS. 19 (A) and 19 (B), a perspective view seen from the front and a perspective view seen from the rear, the lighting stopper device 22 sandwiches the vertical frame 14 of the rack body 2 so that the clamping force can be released. A clamping tool 54 that can be moved up and down in a clamping force released state and a stopper piece 55 that engages with the luminaire 4. The illumination stoppers 22 are provided at a plurality of locations in the width direction of the rack body 2. Specifically, it is provided on the vertical frames 14 at the left and right ends in front of the rack body 2. 20A and 20B show a plan view and a front view of the illumination stopper 22, and FIG. 21 shows a cross-sectional view taken along the line XXI-XXI in FIG. ) Shows a right side view and a rear view.

  The clamping tool 54 includes a clamping tool main body 56 and a knob 57. As shown in FIG. 20A, the sandwiching tool main body 56 is divided into a front plate portion 56a and a back plate portion 56b by a vertical crack 58 extending from the widthwise intermediate portion on one side surface to the vicinity of the other side surface. It is a bifurcated member. A pair of flange portions 56 c that sandwich the vertical frame 14 of the rack main body 2 are formed in front and rear portions of one side surface where the vertical crack portion 58 of the sandwiching tool main body 56 opens. As shown in FIG. 18, the vertical frames 14 at the left and right ends of the front of the rack body 2 are provided with stopper guide members 59 having protrusions 59a that protrude inward from the rack body 2 and extend in the vertical direction. Both flange portions 56c of the clamping tool main body 56 are clamped between the protrusions 59a of the member 59.

  As shown in FIG. 21, the knob 57 of the clamping tool 54 has a clamping bolt 57a that passes through the front plate portion 56a and the back plate portion 56b of the clamping tool body 56, and the clamping bolt 57a is connected to the back plate. The nut 56 is screwed into the nut 60 disposed on the back side of the portion 56b. By adjusting the degree of screwing of the fastening bolt 57a to the nut 60 by turning the knob 57, the clamping force of the clamping tool 54 with respect to the stopper guide member 59 is increased or the clamping force is released. be able to. The stopper piece 55 is connected to the clamping tool 54 by tightening one end of the stopper piece 55 with a bolt 61 and a nut 62 on the back surface of the clamping tool main body 56. As shown in FIG. 20 (B), the other end of the stopper piece 55 is formed with an engagement notch 55a that engages with the upper surface corner of the fixture body 6 of the lighting fixture 4.

  In this cultivated system with illumination, when it is desired to adjust the position of the lighting device 4 at each stage to a lower position close to the corresponding cultivation product mounting shelf 3, the parallel link mechanism 23 in the lifting unit 21 at each stage is moved to the lower side. Adjustment is made so that the frame 26 is separated from the upper frame 25. At the same time, the belt material 28 is fed out from the lifting force applying mechanism 24 in the lifting unit 21 against the lifting force. As it is, the lighting fixture 4 tries to return to the upper position by the lifting force of the lifting force applying mechanism 24, so that the clamping tool 54 is also shifted to the lower position along the stopper guide member 59, and the stopper piece 55 becomes the stopper piece 55 of the lighting fixture 6. The clamping tool 54 is clamped and fixed to the stopper guide member 59 at a position in contact with the upper surface of the instrument body 6. FIG. 6A shows the position adjustment state as a sectional view taken along the line VI-VI in FIG.

  Conversely, when it is desired to adjust the position of each stage of the lighting fixture 4 to the upper position separated from the corresponding cultivated product placement shelf 3 from the state of FIG. 6A, first, the clamping tool 54 is moved along the stopper guide member 59. The parallel link mechanism 23 in the lifting unit 21 at each stage is adjusted so that the lower frame 26 is close to the upper frame 25. FIG. 6B shows the position adjustment state as a cross-sectional view taken along the line VI-VI in FIG.

  Thus, in this cultivated system with illumination, the rack 1 in which the cultivation product placement shelves 3 are installed in the upper and lower stages in the rack body 2 and the cultivation product placement are positioned above each cultivation product placement shelf 3. The plant body to be cultivated includes a plurality of lighting fixtures 4 for irradiating the cultivation on the shelf 3 and a lighting fixture lifting mechanism 5 that supports the lighting fixtures 4 so that the vertical position of the lighting fixtures 4 can be changed. Regardless of the size of the plant, the plant body can always be irradiated with light of the required illuminance. Moreover, since excessive equipment such as a control device is not required and simple equipment can be used, equipment costs can be suppressed. Moreover, when increasing required illumination intensity, it can respond by making it adjoin to the plant body which grows the lighting fixture 4, Therefore The load of the lighting fixture 4 can be reduced. Furthermore, adjustment of illuminance can be used by anyone without requiring skill.

  In this embodiment, the lighting fixture lifting mechanism 5 is attached to the rack body 2 to lift and bias the lighting fixture 4, and the vertical mounting position is variably attached to the rack body 2. Since it consists of the lighting stopper tool 22 that stops the lighting device 4 from rising, the weight of the lighting device 4 is lifted and biased by the lifting / lowering unit 21. For this reason, when the operator manually changes the vertical position, there is no need to support the luminaire 4 and the position change work is easy.

  In this embodiment, the elevating unit 21 has upper and lower frames 25 and 26 and a plurality of links 27A and 27B for connecting the upper and lower frames 25 and 26, and the upper and lower frames 25 and 26 are rack bodies. 2 and a parallel link mechanism 23 attached to the fixture body 6 of the lighting fixture 4 and a lift provided between the upper and lower frames 25 and 26 to lift and urge the lower frame 26 against the upper frame 25 by a spring member. Since it is composed of the force applying mechanism 24, the lighting fixture 4 can be lifted and lowered without being displaced forward and backward or left and right. Further, the parallel link mechanism 23 makes the configuration compact compared to the case where guides for preventing displacement are provided around the periphery.

  Further, in this embodiment, the illumination stopper tool 22 sandwiches the vertical frame 14 of the rack body 2 (specifically, the stopper guide member 59 attached to the vertical frame 14) so that the clamping force can be released. Since the clamping tool 54 whose position can be changed up and down in the state where the applied force is released and the stopper piece 55 that engages with the lighting apparatus 4, the operation of stopping the lighting apparatus 4 from rising can be easily performed.

DESCRIPTION OF SYMBOLS 1 ... Rack 2 ... Rack main body 3 ... Cultivation mounting shelf 4 ... Lighting fixture 5 ... Lighting fixture raising / lowering mechanism 6 ... Appliance main body 7 ... Illumination reflector 8 ... Light source holder 9 ... Light source 21 ... Lifting unit 22 ... Lighting stopper Tool 23 ... Parallel link mechanism 24 ... Lifting force applying mechanism 25 ... Upper frame 26 ... Lower frames 27A, 27B ... Link 54 ... Clamping tool 55 ... Stopper piece

Claims (4)

A rack in which the cultivation product racks are installed in a plurality of stages above and below the rack body, a plurality of lighting fixtures that are positioned above each cultivation product shelf and irradiate the cultivation products on the cultivation product racks, and these lights e Bei a luminaire lifting mechanism for supporting to be vertically reposition the instrument relative to the rack body, the luminaire lifting mechanism has a lifting unit for biasing lift the luminaire mounted on said rack body An upper and lower mounting position of the rack body is variably mounted to stop the lighting apparatus from rising, and the lighting apparatus includes a reflector and a plurality of light source holders. an instrument body that extends in a direction, the a plurality of light sources held in the light source holder, the lifting unit and the illumination stopper member is provided at a plurality of positions in the width direction of the rack body, before The lifting unit has an upper and lower frame and a plurality of links connecting the upper and lower frames, and the upper and lower frames are respectively attached to the rack body and the fixture body of the lighting fixture, and between the upper and lower frames. An illuminated cultivation system comprising a lifting force application mechanism that is provided on the upper frame and lifts and biases the lower frame with a spring member relative to the upper frame. A rack in which the cultivation product racks are installed in a plurality of stages above and below the rack body, a plurality of lighting fixtures that are positioned above each cultivation product shelf and irradiate the cultivation products on the cultivation product racks, and these lights A lighting fixture lifting mechanism that supports the fixture so that its vertical position can be changed with respect to the rack body, and the lighting fixture lifting mechanism is attached to the rack body to lift and bias the lighting fixture; and An upper and lower mounting position is variably attached to the rack body to form a lighting stopper device that stops the lighting device from rising. The lighting stopper device sandwiches the vertical frame of the rack body so as to release the clamping force. An illuminated cultivation system comprising a clamping tool whose position can be changed in the vertical direction when the clamping force is released, and a stopper piece that engages with the lighting apparatus. In the cultivation system with illumination according to claim 2, the lighting fixture has a reflector and a plurality of light source holders, and has a fixture main body extended in the width direction of the rack main body, and a plurality of light fixtures held by the respective light source holders. A lighting cultivation system in which the lifting unit and the lighting stopper are provided at a plurality of locations in the width direction of the rack body. The cultivation system with illumination of Claim 3 WHEREIN: The said raising / lowering unit has a some link which connects an upper and lower frame and these upper and lower frames, and the said upper and lower frames are the instrument main body of the said rack main body and a lighting fixture. An illuminated cultivation system comprising a parallel link mechanism attached to each of the upper and lower frames and a lifting force application mechanism that lifts and biases the lower frame with a spring member with respect to the upper frame.

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