JP6587419B2 - Cultivation production equipment - Google Patents

Description

The present invention relates to a cultivation production facility for cultivating and producing plants such as vegetables on indoor shelves,
Specifically, a plurality of production shelves in which a plurality of cultivation stages are arranged in the vertical direction are formed with work paths between adjacent production shelves and between the wall of the installation room and the adjacent production shelves. In the state to be installed in the installation room side by side in the short side of the shelf,
While providing an air conditioner that adjusts the temperature of the air supplied to this installation room,
In the state where every other work passage in the short shelf side direction among the work passages as an air supply area and the other work passages as an exhaust area,
A plurality of ventilation fans that ventilate the air in the air supply area adjacent to the cultivation stage toward the exhaust area adjacent to the cultivation stage in a parallel arrangement in which the plurality of ventilation fans are dispersed in the shelf long side direction. The present invention relates to a cultivation production facility equipped in each of the cultivation stages.

  In the conventional cultivation production facility disclosed in the following Patent Document 1, as shown in FIGS. 7 and 8, two production shelves are provided in each of the half on the entrance side and the half on the back side in the installation room 1. 2 are arranged side by side in the direction of the short side of the shelf in a state where a work passage 3 is formed between the production shelves 2, and a plurality of cultivation stages 4 are arranged in parallel in the vertical direction on these production shelves 2.

  And the air conditioner 11 is equipped in the upper part of each chamber wall 1b which mutually opposes with the attitude | position in alignment with a shelf long side direction, The clearance gap area between the production shelf 2 and the chamber wall 1b in the downward direction by these air conditioners 11 Air is sucked from E, and adjusted air sa whose temperature is adjusted is blown out to the upper area of the installation chamber 1.

  On the other hand, each of the cultivation stages 4 in each production shelf 2 is equipped with a plurality of ventilation fans 16 arranged in parallel in the shelf long side direction, and these ventilation fans 16 allow air in the work path 3 to be produced in the production shelf. Ventilation is conducted through each of the cultivation stages 4 toward the gap area E between the wall 2 and the chamber wall 1b.

  That is, in the cultivation production facility disclosed in Patent Document 1, air taken from the side of the work path 3 to each of the cultivation stages 4 in each production shelf 2 by the operation of the ventilation fan 16 under the operation of the air conditioner 11. By ventilating, each of the cultivation stages 4 is maintained in an environment suitable for the growth of the cultivated plants.

JP 2014-233231 A

  However, in the cultivation production facility disclosed in Patent Document 1, the regulated air sa adjusted in temperature by the air conditioner 11 is blown out to the upper area of the installation chamber 1, but the work passage 3 is a restricted space sandwiched between two production shelves 2. Therefore, it is difficult for the adjustment air sa from the air conditioner 11 to reach the work passage 3. For this reason, in the installation room 1 (particularly the work passage 3), the air temperature tends to increase toward the upper part due to the difference in specific gravity of the air due to the temperature difference. Therefore, the temperature of the air that is ventilated to the cultivation stage 4 of each production shelf 2 by the ventilation fan 16 (that is, the ventilation temperature) also tends to be higher in the upper cultivation stage 4.

Due to the variation in the ventilation temperature, a difference in growth occurs in the cultivated plant between the upper cultivation stage 4 and the lower cultivation stage 4 in the production shelf 2, or a temperature failure occurs in a part of the cultivation plant in the production shelf 2. There was a problem that occurred.

  In view of this situation, the main problem of the present invention is to eliminate the above-mentioned problem by adopting a rational air guide form for the regulated air supplied from the air conditioner.

The first characteristic configuration of the present invention relates to cultivation production equipment,
With a plurality of production shelves in which a plurality of cultivation stages are arranged in the vertical direction, a work path is formed between adjacent production shelves and between the room wall of the installation room and the production shelves adjacent thereto. Installed in the installation room side by side in the short side of the shelf,
While providing an air conditioner that adjusts the temperature of the air supplied to this installation room,
In the state where every other work passage in the short shelf side direction among the work passages as an air supply area and the other work passages as an exhaust area,
A plurality of ventilation fans that ventilate the air in the air supply area adjacent to the cultivation stage toward the exhaust area adjacent to the cultivation stage in a parallel arrangement in which the plurality of ventilation fans are dispersed in the shelf long side direction. It is a cultivation production facility equipped in each of the cultivation stages,
Discharging means for discharging the adjusted air whose temperature has been adjusted by the air conditioner from above each of the air supply areas to the air supply area below is provided,
In the cultivation stage, a nutrient solution storage tank in which the roots of the cultivated plants are immersed in the cultivation nutrient solution in the tank, a cultivation space that is an upper space of the nutrient solution storage tank, and a ceiling plate that forms the ceiling of the cultivation space And a ceiling space that is the space above the ceiling plate,
While providing an upper shielding wall that closes the opening on the air supply area side in the ceiling space, and providing a lower shielding wall that blocks the opening on the exhaust area side in the cultivation space,
The ventilation fan is provided in a delivery port formed in a portion of the ceiling plate near the exhaust area .

  In this configuration, the regulated air whose temperature has been adjusted by the air conditioner is discharged from the upper air supply area to the lower air supply area by the discharge means, so that the restricted air space is sandwiched between the production shelves and the chamber walls. However, it is possible to efficiently supply the adjusted air by the air conditioner to the air supply area in a state where the restricted space is utilized, and the air supply by the discharge air flow from the discharge means It is possible to effectively generate agitating air convection in the area, and by this, the temperature of the air in the area in the air supply area is effectively equalized in both the vertical and horizontal directions. It can be adjusted efficiently and the state can be kept stable.

  Therefore, for any cultivation stage of multiple stages in the vertical direction on the production shelf, and for any part in the shelf long side direction of each cultivation stage, within the region of the uniform required temperature in the air supply area Air can be ventilated by a ventilation fan, and the ventilation temperature for each of the cultivation stages and the ventilation temperature for each part in the long side of the shelf at each cultivation stage can be effectively equalized, thereby providing a production shelf. Effectively avoids various inconveniences caused by variations in ventilation temperature, such as differences in growth between cultivated plants at the upper and lower cultivating stages, and temperature disturbances at some cultivated plants on the production shelf. can do.

In the first feature configuration,
In the cultivation stage, a nutrient solution storage tank in which the roots of the cultivated plants are immersed in the cultivation nutrient solution in the tank, a cultivation space that is an upper space of the nutrient solution storage tank, and a ceiling plate that forms the ceiling of the cultivation space And a ceiling space that is the space above the ceiling plate,
While providing an upper shielding wall that closes the opening on the air supply area side in the ceiling space, and providing a lower shielding wall that blocks the opening on the exhaust area side in the cultivation space,
Since the ventilation fan is equipped at a delivery port formed in a portion near the exhaust area of the ceiling plate, the following function and effect are also achieved .

In this configuration, in each cultivation stage, the upper air barrier prevents the air in the supply area from entering the ceiling back space, and the lower air barrier prevents the air in the exhaust area from entering the cultivation space. In the blocked state, the air outlet in the air supply area is made uniform at the required temperature in the air supply area side of the cultivation space, and the outlet formed on the ceiling plate near the exhaust area (i.e. Through the opening equipped with a ventilation fan), it is possible to accurately ventilate the cultivation space in each cultivation stage.

In general, the ceiling plate is equipped with a lighting device for the cultivation space, but the heat generated by the lighting device in the cultivation space can be effectively removed from the cultivation space by the above-described ventilation with respect to the cultivation space, and is generated in the ceiling space. The heat generated by the luminaire (that is, the heat generated at the mounting base of the luminaire), etc., together with the ventilated air discharged from the outlet to the exhaust area through the opening on the exhaust area side in the ceiling space, and the space behind the ceiling Can be effectively removed.

Therefore, it is possible to effectively avoid the adverse effects on the cultivated plants caused by the heat generated by the lighting equipment, and to maintain the cultivation space in each cultivation stage in a space suitable for growing the cultivated plants more effectively and stably. .

The second feature configuration of the present invention specifies an embodiment suitable for the implementation of the first feature configuration.
The ventilation fan is characterized in that it is a variable air flow rate fan capable of individually adjusting the air flow rate.

In this configuration, the distribution of the air flow rate with respect to the cultivation stage of the production shelf is adjusted by individually adjusting the air flow rate of each ventilation fan installed in each cultivation stage in a parallel arrangement distributed in the shelf long side direction. Each shelf can be adjusted in the direction of the long side of the shelf, and the vertical direction of the production shelf can also be adjusted, thereby adjusting the cultivation environment in each part of the production shelf according to the growth situation of the cultivated plant in each part. And the cultivation efficiency of the entire production shelf can be further increased.

In the implementation of this configuration, monitoring means for monitoring the growth status of cultivated plants in each part of the production shelf is provided, and the air flow rate of each ventilation fan is automatically adjusted or manually adjusted according to the monitoring result by the monitoring means. You may make it do.

The third feature configuration of the present invention specifies an embodiment suitable for the implementation of the first or second feature configuration.
The cultivation stage is equipped with a plurality of cultivation floors holding cultivated plants, arranged in the shelf long side direction in a state that is movable in the shelf long side direction,
One end part of the cultivation stage in the shelf long side direction is a cultivation start part in which the cultivation floor is installed in the cultivation stage at one end part thereof,
The other end part of the cultivation stage in the shelf long side direction is that the other end part is a cultivation end part for taking out the cultivation bed from the cultivation stage.

In this configuration, the cultivation bed that has reached the cultivation end portion at the other end of the cultivation stage is taken out from the cultivation stage, and a plurality of cultivation beds in the cultivation stage are cultivated by the empty space generated in the cultivation end part by taking out the cultivation bed. It moves in the state packed in the end part side, and takes the cultivation operation form which installs a new cultivation floor in the empty space produced in the cultivation start part of the cultivation stage one end part by this filling movement.

And in this cultivation operation form, by adjusting the repetition cycle of the above-mentioned stuffing movement operation, the cultivation floor installed in the cultivation start part while holding the cultivated plant at the initial stage of cultivation is cultivated by repeating the above-mentioned stuffing movement operation. When the end portion is reached, the cultivated plant held on the cultivation floor is grown to a state where it can be harvested.

  That is, by this, in the cultivation end part which is the other end part of each cultivation stage in a production shelf, the cultivated plant which reached the harvest period can be continuously harvested, and the productivity of the cultivated plant is stabilized. At the same time, the harvesting operation can be facilitated.

In addition, by carrying out the above-mentioned second characteristic configuration in parallel for this cultivation operation mode, by adjusting the distribution state of the air ventilation amount for each cultivation stage in the long side direction of the shelf by adjusting the individual ventilation amount of each ventilation fan If the cultivation environment of each part in the longitudinal direction of the shelf in each cultivation stage is adjusted according to the growth situation of the cultivation plant in each part (that is, the growth situation in each growth stage of the cultivation plant here), Productivity can be further increased while stabilizing productivity.

The fourth characteristic configuration of the present invention specifies an embodiment suitable for the implementation of any of the first to third characteristic configurations,
The air conditioner is disposed in a state in which the temperature-adjusted adjusted air is blown out above the supply area in the shelf long side direction,
As the discharge means, a ceiling ventilation fan is provided above the air supply area to discharge adjusted air blown above the air supply area by the air conditioner to the air supply area below. is there.

  In this configuration, the air conditioner takes a simple installation form in which the adjusted air is simply blown upward in the long side direction of the shelf and above the air supply area, but the adjusted air blown from the air conditioner is supplied downward by the ceiling ventilation fan. Efficient discharge can be supplied to the air region.

  Therefore, the effect of the first characteristic configuration described above can be obtained while reducing the equipment cost.

The fifth feature configuration of the present invention specifies an embodiment suitable for the implementation of the fourth feature configuration.
Above the air supply area, a plurality of the ceiling ventilation fans are distributed in parallel in the shelf long side direction.

  In this configuration, even when the area length in the shelf long side direction of the air supply area is relatively large, the air conditioning air conditioning air is made uniform in the shelf long side direction by the plurality of ceiling ventilation fans arranged in parallel as described above Thus, it can be discharged and supplied to the lower air supply area.

  Therefore, even when the area length in the shelf long side direction of the air supply area is relatively large, the effect of the first characteristic configuration described above can be reliably obtained.

The sixth feature configuration of the present invention specifies an embodiment suitable for any one of the first to third feature configurations, and the feature is
As the discharge means, an air outlet for discharging adjusted air to the lower air supply area is provided above the air supply area,
A duct is provided to guide the adjusted air whose temperature is adjusted by the air conditioner to the outlet.

  In this configuration, while the air conditioner is installed at an appropriate location, the adjusted air guided from the air conditioner through the duct can be efficiently discharged from the air outlet to the lower air supply area.

  Therefore, the effect of the first characteristic configuration described above can be obtained while facilitating securing the air conditioner installation space.

The seventh feature configuration of the present invention specifies an embodiment suitable for the implementation of the sixth feature configuration.
Above the air supply area, a plurality of the air outlets are arranged in parallel and dispersed in the shelf long side direction.

  In this configuration, even when the area length in the shelf long side direction of the air supply area is relatively large, the air conditioning air conditioning air is made uniform in the shelf long side direction by the plurality of outlets arranged in parallel as described above Thus, it can be discharged and supplied to the lower air supply area.

  Therefore, even when the area length in the shelf long side direction of the air supply area is relatively large, the effect of the first characteristic configuration described above can be reliably obtained.

The eighth characteristic configuration of the present invention specifies an embodiment suitable for implementation of any of the fourth to seventh characteristic configurations,
A partition wall is provided to partition the upper area of the air supply area with respect to adjacent areas on both sides in the shelf short side direction.

  In this configuration, by dividing the upper area of the air supply area from the adjacent areas on both sides in the shelf short side direction by the partition wall, the upper area of the air supply area to which the regulated air is supplied from the air conditioner, and It is possible to positively positively communicate the lower air supply region communicating with the exhaust region.

  Therefore, it is possible to ventilate the area air in the air supply area (that is, the area air having a uniform required temperature) to each of the cultivation stages in the production shelf more reliably and satisfactorily.

Plan view of cultivation production equipment in the first embodiment II-II line enlarged sectional view in FIG. Top view explaining cultivation operation form Front view of the main part showing a modification Plan view of cultivation production equipment in the second embodiment VI-VI line enlarged sectional view in FIG. Plan view showing conventional cultivation production equipment Front view showing conventional cultivation production equipment

[First Embodiment]
FIG. 1 shows a cultivation production facility for cultivating and producing vegetables on indoor shelves. In this cultivation production facility, a plurality of production shelves (12 in this example) with a length in the shelf long side direction of more than a dozen m are shown. 2 are installed in the installation room 1 in a parallel posture in the shelf short side direction d.

  The production shelves 2 are installed at predetermined intervals, and a space between adjacent production shelves 2 is a work path 3.

  As shown in FIG. 2, multiple stages (four in this example) of cultivation stages 4 are arranged in the vertical direction on the production shelf 2, and vegetables are cultivated in each of these cultivation stages 4.

  Each cultivation stage 4 includes a nutrient solution storage tank 5 in which the root of the cultivated vegetable a is immersed in the cultivation nutrient solution L in the tank, a cultivation space 6 that is an upper space of the nutrient solution storage tank 5, and the cultivation space 6. The ceiling board 7 which forms a ceiling, and the ceiling back space 8 which is the space above the ceiling board 7 are comprised.

  Moreover, the ceiling board 7 is equipped with the lighting fixture 9 for cultivation with respect to the cultivation space 6, and the nutrient solution storage tank 5 has a plurality of cultivation floors 10 for holding the cultivated vegetables a in one row as shown in FIG. In a state of being arranged in the shelf long side direction w, the tank is floated on the surface of the nutrient solution L in the tank.

  These cultivated floors 10 can be moved in the shelf long side direction w while being kept floating in the cultivating nutrient solution L together with the cultivated vegetables a held by them.

  As shown in FIG. 3, one end portion of each cultivation stage 4 in the shelf long side direction w is a state in which the cultivation bed 10 holding the cultivated vegetable a in the initial cultivation stage is floated in the cultivation nutrient solution L in the nutrient solution storage tank 5. The cultivation start unit 4a installed in the cultivation stage 4 is used.

  On the other hand, the other end portion in the shelf long side direction w of each cultivation stage 4 is a cultivation end part 4b for taking out the cultivation floor 10 holding the cultivated vegetable a grown until the harvesting period from the cultivation stage 4.

  That is, in this cultivation production facility, when the cultivation floor 10 holding the cultivated vegetable a in the harvesting period is taken out from the cultivation stage 4 in the cultivation end part 4b, the cultivation stage corresponding to the empty space generated in the cultivation end part 4b by the removal. Each of the plurality of cultivation floors 10 in 4 is packed and moved to the cultivation end portion 4b side.

  Moreover, the cultivation floor 10 which hold | maintained the vegetable at the initial stage of cultivation is newly installed in the empty space produced in the cultivation start part 4a by this packing movement.

  And in taking this cultivation operation form, the cultivation floor 10 installed in the cultivation start part 4a in the state holding the cultivation vegetable a of the cultivation initial stage by adjusting the repetition period of the said filling movement operation is as above. When the cultivation end part 4b is reached by repeating the stuffing movement operation, the cultivated vegetable a held on the cultivation floor 10 is grown to a harvestable state.

  That is, by doing in this way, the cultivation vegetable a can be regularly harvested in the cultivation end part 4b of each cultivation stage 4.

  As shown in FIG. 1, among the work paths 3 between the production shelves 2, every other work path 3 in the shelf short side direction d is an air supply area S, and the remaining work paths 3 and chamber walls and The space between adjacent production shelves 2 is an exhaust area E.

  The air conditioner 11 that blows the temperature-adjusted adjusted air sa in the long side direction of the shelf in the long side direction of the shelf is supplied to a portion corresponding to the extension in the long side direction of the shelf S in the plan view. Each zone S is installed.

  In addition, above each air supply area S, a plurality of (three in this example) that discharge the adjusted air sa blown above the air supply area S by each air conditioner 10 to the lower air supply area S. Are arranged in a parallel arrangement in which the ceiling fan 12 is distributed in the shelf long side direction w.

  In other words, the adjusted air sa blown above the air supply area S from each air conditioner 11 is discharged to the lower air supply area S by the ceiling ventilation fan 12 arranged in parallel, so that the adjusted air sa is supplied to each air supply area S. In addition, the convection of the agitating air is generated in each air supply area S by the flow of air discharged from the ceiling ventilation fan 12, and thereby the temperature of the air in each air supply area S is increased in the vertical direction and in the horizontal direction. In each of the directions, the temperature is effectively adjusted to the required temperature ts in a uniformly uniform state so that the state can be kept stable.

  On the other hand, each cultivation stage 4 in each production shelf 2 is provided with an upper shielding wall 13 that closes the opening on the side of the air supply area S in the ceiling space 8 and the exhaust area E side in the cultivation space 6. A lower shielding wall 14 is provided to close the opening.

  Moreover, in the part near the exhaust area E in the ceiling board 7, it distributes in the shelf long side direction w, and forms a plurality (five in this example) of outlets 15, and in these outlets 15, the cultivation space 6 It is equipped with a ventilation fan 16 that sucks air from the side and sends the sucked air to the ceiling space 8 side.

  That is, by operating the ventilation fans 16 arranged in parallel for each of the cultivation stages 4 in each production shelf 2, the air in the area of the required temperature ts in the supply area S is supplied to the supply area in the cultivation space 6. In the ventilation mode of taking in the cultivation space 6 through the opening on the S side and sending the intake air to the exhaust area E through the outlet 15, each cultivation stage 4 is also directed to the cultivation space 6 in each cultivation stage 4. The air in the region of the air supply region S having the uniform required temperature ts can be ventilated in the cultivation space 6 of each part in the shelf long side direction.

  In addition, the air conditioner 11 is installed only in an extension corresponding place on one side or the other side in the shelf long side direction w of each air supply area S in plan view, or each air supply in plan view. Any of the installation forms that are installed in the corresponding portions of the extension in both sides in the shelf long side direction w of the zone S may be adopted.

  In addition, when the air conditioner 11 is installed only in a portion corresponding to an extension on one side in the shelf long side direction w of each air supply region S in plan view, the air supply region S in which the air conditioner 11 is installed only in a portion corresponding to the extension on one side. And the air supply area S in which the air conditioner 11 is installed only in the portion corresponding to the extension on the other side may be alternately positioned in the shelf short side direction d.

  The air conditioner 11 is not limited to a ceiling-mounted air conditioner, and may be a floor-mounted or wall-mounted air conditioner.

  The air that has passed through the cultivation stage 4 of each production shelf 2 and reached the exhaust area E is sucked into the suction port of the nearest air conditioner 11 to be temperature-adjusted, and then the air supply area S from the air conditioner 11. It is blown out again above.

  The ventilation fans 16 that are equipped in parallel in each of the cultivation stages 4 in each production shelf 2 are variable ventilation fans that can individually adjust the ventilation volume. Accompanying the cultivation operation form in which the cultivation floor 10 is sequentially packed and moved to the cultivation end section 4b side, the distribution of the air ventilation amount in each cultivation stage 4 in the shelf long side direction by adjusting the ventilation amount of each ventilation fan 16 By adjusting the state, the cultivation environment of each part in the long side direction of the shelf in the cultivation stage 4 is optimized according to the growth situation of the cultivated vegetable a in each part (that is, the growth situation in each growth stage of the cultivated vegetable a). It is like that.

  In addition, as shown in FIG. 4, the upper area of the air supply area S (that is, the blowing area of the adjusted air sa from the air conditioner 11) is partitioned from the adjacent areas on both sides in the shelf short side direction d. If it exists, you may provide the partition wall 17 which partitions off the upper area of the supply area S with respect to each of the adjacent area of the both sides in the shelf short side direction d, and the adjacent area of the both sides in the shelf long side direction w.

  That is, by providing the partition wall 17, the upper region of the air supply region S and the lower air supply region S communicating therewith can be positively positively applied to the exhaust region E. The air in the region having the uniform required temperature in the supply region S can be ventilated more reliably and satisfactorily with respect to each of the cultivation stages 4 in the production shelf 2.

  In addition, when the partition wall 17 is provided, a small-diameter bypass passage 18 is provided to connect the air supply area S and the nearest exhaust area E, thereby bypassing excess air in the air supply area S. You may make it escape in short circuit to the exhaust_gas | exhaustion area E side through the path | route 18. FIG.

[Second Embodiment]
FIG. 5 shows the cultivation production facility of the second embodiment. In the cultivation production facility of the second embodiment, a plurality (eight in this example) of production shelves 2 are arranged side by side in the short shelf direction d in a parallel posture. It is installed in chamber 1.

  As shown in FIG. 6, the number of cultivation stages 4 in each production shelf 2 is large (10 stages in this example) and the height dimension of the production shelf 2 is large, whereas the space between adjacent production shelves 2 is large. Are divided into upper, middle and lower three layers of work passages 3a to 3c by a lattice floor 19 having air permeability.

  That is, in the lower working path 3a, as in the first embodiment, the worker walks on the floor of the installation room 1 to manage the cultivated vegetables a in the lower cultivation stages 4, whereas the middle and upper working paths. In 3b and 3c, the worker walks on the lattice floor 19 and manages the cultivated vegetables a in the middle and lower cultivation stages 4.

  As described above, the work paths 3a to 3c between the production shelves 2 are divided into upper, middle, and lower three layers. Each of these spaces can be treated as one area as an air area (that is, an air supply area S or an exhaust area E).

  From this point, as in the first embodiment, among the spaces between adjacent production shelves 2, every other space in the shelf short side direction d is the supply area S, and the remaining space (and the room wall) The space between the adjacent production shelves 2) is an exhaust area E.

  The structure of the cultivation stage 4 in each production shelf 2 is the same as that of the first embodiment, and each cultivation stage 4 includes a nutrient solution storage tank 5, a cultivation space 6, a ceiling board 7, and a ceiling back space 8. Thus, the ceiling plate 7 is equipped with a lighting fixture 9 for cultivation in the cultivation space 6, and the cultivation liquid storage tank 5 is installed with the cultivation floor 10 floating above the liquid surface of the cultivation liquid L in the tank.

  Moreover, the ceiling board 7 is equipped with the lighting fixture 9 for cultivation with respect to the cultivation space 6, and the nutrient solution storage tank 5 has a plurality of cultivation floors 10 for holding the cultivated vegetables a in one row as shown in FIG. In a state of being arranged in the shelf long side direction w, the tank is floated on the surface of the nutrient solution L in the tank.

  The air conditioner 11 is installed outside the installation room 1, and on the other hand, the adjusted air sa is provided to the lower supply area S at a position above each supply area S in the ceiling 1 a of the installation room 1. A plurality of (five in this example) outlets 12A to be discharged are installed in a parallel arrangement in which they are dispersed in the shelf long side direction w.

  And the air supply duct 20 which guides the adjustment air sa by the air conditioner 11 is provided in these blower outlets 12A.

  That is, as in the first embodiment in which the ceiling ventilation fan 12 is used instead of the air outlet 12A, the adjusted air sa supplied from the air conditioners 11 through the air supply duct 20 is supplied from the parallel air outlet 12A to the lower air supply area S. The regulated air sa is efficiently supplied to each air supply area S by discharging the air into the air supply area S, and agitation air convection is generated in each air supply area S by the air flow discharged from the air outlet 12A. Thus, the temperature of the air in each supply region S can be efficiently adjusted to the required temperature ts in a state where the temperature of the air in the region is effectively equalized in both the vertical and horizontal directions, and the state can be maintained stably. It is.

  Thereby, by operating the ventilation fan 16 equipped with each of the cultivation stages 4 in each production shelf 2 in parallel arrangement, the air in the cultivation space 6 is supplied with the air in the area of the uniform required temperature ts in the supply area S. In the ventilation mode in which the intake air is taken into the cultivation space 6 through the opening on the side of the region S and the intake air is sent to the exhaust region E through the outlet 15, each cultivation step 6 with respect to the cultivation space 6 in each cultivation step 4 The air in the region of the required temperature ts in the air supply region S is ventilated through the cultivation space 6 of each part in the long side direction of the shelf 4.

  In addition, the upper area of the air supply area S (that is, the blowing area of the adjusted air sa from the air outlet 12A) is adjacent to the adjacent areas on both sides in the shelf short side direction d, and if necessary, the shelf short side direction. Each of the adjacent areas on both sides in d and the adjacent areas on both sides in the shelf long side direction w is partitioned by the partition wall 17, whereby each supply area S is supplied by the supply of the adjustment air sa from the air outlet 12A. The exhaust area E is positively positively pressured, and the air in the air supply area S having a uniform required temperature is ventilated more reliably and satisfactorily with respect to each of the cultivation stages 4 in each production shelf 2. .

  A plurality of (six in this example) exhaust ports 21 are arranged in a parallel arrangement in the shelf long side direction w at locations near the exhaust region E on the top plate of each production shelf 2. The port 21 is connected to the suction port of the air conditioner 11 by a return air duct 22.

  Further, a bypass duct 23 is branched from the return air duct 22, and this bypass duct 23 is connected to the air supply duct 20 on the suction side of the air supply fan 24 interposed in the air supply duct 20.

  That is, the air passing through the cultivation stage 4 of each production shelf 2 and reaching the exhaust area E is sucked from the nearest exhaust port 21 and returned to the air conditioner 11 side as return air ra through the return air duct 22, A part of the return air ra is introduced into the air conditioner 11, and the temperature is adjusted again by the heat exchanger 11a in the machine.

  On the other hand, the other part of the return air ra diverts the air conditioner 11 through the bypass duct 23, and then combines the air adjusted in temperature by the air conditioner 11 and the air bypassed the air conditioner 11 through the bypass duct 23, The combined air is supplied as adjustment air sa to each air outlet 12A through the air supply duct 20 by the air supply fan 24.

  A temperature sensor 25 that detects the temperature t of the adjusted air sa discharged from the representative air outlet 12A among the air outlets 12A arranged in parallel to each air supply region S is provided. The controller 26 adjusts the flow rate adjustment valve 27 based on the controller 26 to adjust the heat medium supply flow rate to the in-machine heat exchanger 11a of the air conditioner 11, thereby adjusting the temperature t of the adjusted air sa discharged from each outlet 12A to the set temperature tss. Automatically adjust to.

  As in the first embodiment, the ventilation fans 16 that are installed in parallel in each of the cultivation stages 4 in each production shelf 2 are each an air flow rate variable fan capable of individual air flow rate adjustment. In contrast to adopting a cultivation operation form in which the cultivation floor 10 is sequentially packed and moved to the cultivation end portion 4b side as the holding vegetables grow, the air ventilation amount in each cultivation stage 4 by adjusting the ventilation amount of each ventilation fan 16 By adjusting the distribution state in the shelf long side direction, the cultivation environment of each part in the shelf long side direction in the cultivation stage 4 is changed to the growth state of the cultivated vegetable a in each part (that is, the growth state in each growth stage of the cultivated vegetable a). ) To optimize.

[Another embodiment]
Next, other embodiments of the present invention will be listed.

  In each of the above-described embodiments, an example in which the space between the chamber wall existing in the installation chamber 1 and the production shelf 2 adjacent thereto in the shelf short side direction d is the exhaust area E has been described. The space between the chamber wall and the production shelf 2 adjacent thereto may be used as the air supply area S depending on the number of the parallel arrangements.

  The structure of the production shelf 2 and the structure of the cultivation stage 4 are not limited to the structures shown in the above-described embodiments, and various changes can be made.

Also, the equipment structure of the ventilation fan 16 for the cultivation stage 4 can be changed in various ways within the range of the first characteristic configuration described above.

  The air conditioner 11 may be any one of a cooling only machine, a heating only machine, or an air conditioner capable of switching between cooling and heating or switching between cooling and heating and ventilation. In addition to the function, a dehumidifying function or a humidifying function may be provided.

  The cultivation stage 4 in the production shelf 2 is not limited to the one in the shelf long side direction having the cultivation start part 4a and the other end in the cultivation end part 4b, and the cultivation plant is fixed in each part in the shelf long side direction. It may be cultivated in a state.

  The cultivation production equipment according to the present invention can be used for cultivation of various plants.

4 Cultivation stage 2 Production shelf 1 Installation room 3, 3a-3c Work passage d Shelf short side direction 11 Air conditioner sa Adjusted air S Air supply area E Exhaust area 16 Ventilation fan w Shelf long side direction 12 Discharge means, ceiling ventilation fan 12A discharge Means, outlet 10 Cultivation floor 4a Cultivation start part 4b Cultivation end part L Cultivation nutrient solution 5 Nutrient solution storage tank 6 Cultivation space 7 Ceiling plate 8 Ceiling back space 13 Upper shielding wall 14 Lower shielding wall 15 Delivery port 20 Duct 17 Partition wall

Claims (8)

With a plurality of production shelves in which a plurality of cultivation stages are arranged in the vertical direction, a work path is formed between adjacent production shelves and between the room wall of the installation room and the production shelves adjacent thereto. Installed in the installation room side by side in the short side of the shelf,
While providing an air conditioner that adjusts the temperature of the air supplied to this installation room,
In the state where every other work passage in the short shelf side direction among the work passages as an air supply area and the other work passages as an exhaust area,
A plurality of ventilation fans that ventilate the air in the air supply area adjacent to the cultivation stage toward the exhaust area adjacent to the cultivation stage in a parallel arrangement in which the plurality of ventilation fans are dispersed in the shelf long side direction. It is a cultivation production facility equipped in each of the cultivation stages,
Setting a discharging means for discharging the conditioned air whose temperature has been adjusted by the air conditioner to the air supply area of the lower from above s the air supply range husband,
In the cultivation stage, a nutrient solution storage tank in which the roots of the cultivated plants are immersed in the cultivation nutrient solution in the tank, a cultivation space that is an upper space of the nutrient solution storage tank, and a ceiling plate that forms the ceiling of the cultivation space And a ceiling space that is the space above the ceiling plate,
While providing an upper shielding wall that closes the opening on the air supply area side in the ceiling space, and providing a lower shielding wall that blocks the opening on the exhaust area side in the cultivation space,
The ventilation fan is a cultivating and production facility equipped with a delivery port formed in a portion of the ceiling plate near the exhaust area .   The cultivation production facility according to claim 1, wherein the ventilation fan is an air flow rate variable fan capable of individually adjusting the air flow rate. The cultivation stage is equipped with a plurality of cultivation floors holding cultivated plants, arranged in the shelf long side direction in a state that is movable in the shelf long side direction,
One end part of the cultivation stage in the shelf long side direction is a cultivation start part in which the cultivation floor is installed in the cultivation stage at one end part thereof,
The cultivation production facility according to claim 1 or 2, wherein the other end portion of the cultivation stage in the shelf long side direction is a cultivation end part that takes out the cultivation bed from the cultivation stage at the other end. The air conditioner is disposed in a state in which the temperature-adjusted adjusted air is blown out above the supply area in the shelf long side direction,
The ceiling ventilation fan that discharges the adjusted air blown above the air supply area by the air conditioner to the air supply area below is provided as the discharge means above the air supply area. The cultivation production facility of any one of 1-3 . The cultivation production facility according to claim 4, wherein a plurality of the ceiling ventilation fans are distributed in parallel in the long side direction of the shelf above the supply area . As the discharge means, an air outlet for discharging adjusted air to the lower air supply area is provided above the air supply area,
The cultivation production equipment according to any one of claims 1 to 3, wherein a duct is provided to guide the adjusted air whose temperature is adjusted by the air conditioner to the air outlet . The cultivation production facility according to claim 6, wherein a plurality of the air outlets are arranged in parallel above the air supply area in a shelf long side direction . The cultivation production equipment according to any one of claims 4 to 7, wherein a partition wall is provided to partition the upper area of the air supply area with respect to adjacent areas on both sides in the shelf short side direction .

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