JP2014230508A - Air blowing device of plant cultivation apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air blowing device of a plant cultivation apparatus in which supply of appropriate air stream and humidification to domesticated plants by each plant cultivation shelf can be realized by a relatively simple structure.SOLUTION: An air blowing device 1 blows air to a plurality of stages of plant cultivation shelves 61 in a cultivation shelf frame 6, and comprises: an air-blow fan part 2 which is arranged on an upper side and blows air downward; a humidifier 3 which generates humidified air; an air channel 12 which sends the humidified air to the air-blow fan part 2; an air guide part 13 which adjusts a course of air sent out downward from the air-blow fan part 2 and gives air stream to the plant cultivation shelf 61 of each stage.

Description

  The present invention relates to an air blower used for a plant cultivation apparatus for growing plants.

Patent Document 1 discloses a cultivation bed arranged in a plurality of upper and lower stages, an artificial light source that is moved up and down according to the growth of cultivated plants, and air in which temperature, humidity, CO ₂ concentration, and the like are adjusted in an air passage. The plant cultivation system provided with the air-conditioner which sends in order is disclosed. The cultivation bed is planted in a cultivation tank and in a planting state so that the plant root is exposed toward the flow path while being fitted to the upper part of the cultivation tank to form a nutrient solution flow path. Panel. In the plant cultivation system, the nutrient solution supplied to the cultivation bed is circulated and reused after continuously passing through the channel and discharged, and the nutrient solution is intermittently supplied to the channel. It is controlled to flow in.

  Further, Patent Document 2 describes a row of a plurality of box-shaped crop cultivation containers, and an interval more than the height at the time of growth of a crop that is arranged below the rows and is intended to grow an upper container. A cultivation device comprising a row of lower containers that are held open is disclosed. Each container is provided with a support column that supports the upper container and a blocking film that is stretched between the left and right support columns before and after the container. An air conditioner is disposed at one end of the row of containers, and a direction changing chamber is provided at the other end.

JP 2010-88425 A International Publication No. 2009/119778

  However, none of the above prior arts has been able to realize an appropriate air flow and humidity with respect to the cultivated plants in each stage of the plant cultivation shelf with a relatively simple structure.

  This invention makes it a subject to provide the air blower of the plant cultivation apparatus which can implement | achieve the moderate airflow and humidity with respect to the cultivated plant of the plant cultivation shelf of each stage with a comparatively simple structure in view of said situation.

  In order to solve the above-described problem, the air blower of the plant cultivation device according to the present invention is a air blower that blows air to the plant cultivation shelf of the plant cultivation device, and the air blower that is disposed in the upper portion and blows downward. And a humidifier that supplies humidified air to the blower, and an air guide that adjusts the path of air sent downward from the blower and provides airflow to the plant cultivation shelves at each stage. It is characterized by.

  If it is said structure, the air humidified by the said humidifier is mixed with blowing air in the said ventilation part, The course of the airflow which mixed humidified air in this way is adjusted by the said air guide part, and each stage is adjusted. Since it is guided to the plant cultivation shelf, an appropriate air flow and humidity for the cultivated plants in each stage of the plant cultivation shelf are realized with a relatively simple structure.

  The humidifier may be disposed in the lower part, and the humidified air generated by the humidifier may be supplied to the air blowing unit through an air passage. According to this, the problem of each volume reduction when the said ventilation part and the said humidifier are provided in the same height position can be avoided. Moreover, the weight balance of an air blower also improves because the humidifier which requires a water tank is placed in the lower side.

  You may make it the said air guide part give an airflow to the plant cultivation shelf of each step | level in the plant cultivation apparatus arrange | positioned at the both sides of the said air blower. According to this, moderate airflow and humidity can be given to the plant cultivation shelf of each step of two plant cultivation apparatuses arranged on both sides using one air blower.

  The air guide part may include an air guide plate, and the inclination angle of the air guide plate with respect to the blowing direction of the air blowing part may be increased as the air guide plate located on the lower side. According to this, it becomes possible to generate an air current with a substantially equal air volume from the plant cultivation shelf located on the upper side to the plant cultivation shelf located on the lower side.

  A gas introduction part for supplying carbon dioxide gas may be provided in the air blowing part. According to this, the carbon dioxide required for growth can be mixed with the said airflow, and can be supplied to the plant cultivation shelf of each step.

  According to the present invention, it is possible to realize a moderate air flow and humidity for the cultivated plants in each stage of the plant cultivation shelf with a relatively simple configuration, and various effects such as easy uniform plant growth on the plant cultivation shelf of each stage. Play.

FIG. 2A is an explanatory view showing a blower device according to an embodiment of the present invention, and FIG. 2B is an explanatory view showing a state where a panel of a blower fan part and a panel of a lower storage part are removed. . It is explanatory drawing which showed the internal structure of the ventilation fan part in the air blower of FIG. 1A is a side view of the main body of the blower of FIG. 1, and FIG. 1B is an explanatory view showing the internal structure of the main body. It is explanatory drawing which showed an example of the air blower of FIG. 1, and a cultivation shelf frame (plant cultivation apparatus). It is explanatory drawing which showed an example of the air blower of FIG. 1, and a cultivation shelf frame (plant cultivation apparatus). It is explanatory drawing which showed an example of the air blower of FIG. 1, and a cultivation shelf frame (plant cultivation apparatus).

Embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in FIGS. 1 (A) and 1 (B), the blower device 1 of this embodiment includes a main body part 11 and a blower fan part (blower part) 2 provided at an upper position of the main body part 11. The humidifier 3 is provided at the lower position of the main body 11 and has a vertically long box shape whose depth dimension is longer than the width dimension.

  The blower fan section 2 includes a casing section and a fan main body section 21 provided in the casing section. An intake port 22 is provided in the vertical surface portions on both sides that are long in the depth direction in the casing, and a punching metal is detachably attached to the intake port 22. Further, an air conditioner (not shown) is installed in the plant cultivation room, and the temperature-adjusted air sent from the air conditioner can be taken into the blower fan unit 2 from the intake port 22. The fan body 21 sends out the temperature-adjusted air sucked from the intake port 22 downward.

  As shown in FIG. 2, a gas introduction part 23 is formed on, for example, a vertical surface part on the back side of the casing part, and the distal end side of the pipe 4 is inserted in the gas introduction part 23 in a state where airtightness is ensured. Is done. The pipe 4 is connected to a regulator valve of a gas supply device 5 that supplies carbon dioxide gas. The gas supply device 5 is installed in a plant cultivation room, a separate room outside the plant cultivation room, or outdoors. A nozzle is provided at the tip of the pipe 4, and this nozzle is attached to an air intake portion of the fan main body 21, for example. A fixed amount of carbon dioxide gas can be blown out by adjusting the regulator valve. Further, if the valve function of the regulator valve is constituted by an electromagnetic valve, it is possible to automatically control the carbon dioxide supply.

  The humidifier 3 is housed in the lower housing portion of the main body 11. In this embodiment, a vaporization type apparatus that does not cause an increase in the temperature of the humidified air is used as the humidifier 3, but the present invention is not limited to this. The humidified air generated by the humidifier 3 is guided to, for example, an air intake portion of the fan main body portion 21 through a ventilation path 12 provided in the vertical direction on the back side of the main body portion 11. That is, humidified air is supplied to the blower fan unit 21 by the humidifier 3. The humidifier 3 includes a blower so that the humidified air can be supplied to the fan main body 21. Further, the humidified air can be drawn into the fan main body portion 21 by driving the fan main body portion 21 so that the inside of the air passage 12 and the lower storage portion have a negative pressure.

  As shown in FIG. 3A and FIG. 3B, in this embodiment, the upper and lower sides of the main body portion 11 are provided with four upper and lower air outlets 11a, and the air outlet 11a is punched. Metal is detachably attached. An opening is formed in the upper end portion of the main body portion 11, and the air sent downward by the blower fan portion 2 passes through the air guide portion 13 of the main body portion 11 from the opening. The air guide unit 13 sends air outward from the air blowing ports 11a provided on the left and right surfaces.

  The air guide portion 13 has an air guide plate 13a at the back side position of each air outlet 11a. The air guide plate 13a is arranged so that the upper end is inclined to the back side, and the air flow from the top to the bottom in the air guide portion 13 hits the air guide plate 13a and is sent outward. The inclination angle of the air guide plate 13a with respect to the air supply direction (downward) by the blower fan unit 21 is set to be larger as the air guide plate 13a located on the lower side. Further, the height of the air guide plate 13a is the same in each stage, and the height of the air guide plate 13a decreases as the inclination angle of the air guide plate 13a increases. In addition, about the height of the said ventilation port 11a, the upper 3 step | paragraph is made into the same height, and only the lowest step is made lower than the others. In the lowermost stage, the upper ends of the two air guide plates 13a are joined together, and all the air is sent outward.

  As shown in FIG. 4, cultivation shelf frames (plant cultivation devices) 6 can be installed on both sides of the blower 1. The cultivation shelf frame 6 includes four stages of plant cultivation shelves 61 whose width dimension is longer than the depth dimension. A cultivation tray for growing plants is arranged on each plant cultivation shelf 61. A nutrient solution tank for storing nutrient solution is placed below the lowermost plant cultivation shelf 61. In the cultivation shelf frame 6, for example, the nutrient solution is pumped from the nutrient solution tank by a pump in the nutrient solution circulation system, and is passed through a circulation pipe that connects the cultivation trays from the uppermost cultivation tray to the lower cultivation tray in order. It is circulated by overflow and finally returned to the nutrient solution tank by a return pipe. Such a nutrient solution supply method is merely an example, and other nutrient solution supply methods can be employed. Moreover, the lighting fixture for cultivation which consists of a fluorescent lamp, LED (light emitting diode), etc. on the lower surface of the top plate of the said cultivation shelf frame 6, and the lower surface of the 1st stage, 2nd stage, and 3rd stage plant cultivation shelf 61 from the top. Is provided.

  In the blower 1, as shown by the white arrow in FIG. 4, the blower fan unit 2 provided at the upper position sucks air (temperature-adjusted air) from the intake port 22 and moves downward. Generate airflow. The course of the air flow is adjusted by the air guide unit 13 and is guided to the plant cultivation shelf 61 of each stage as an air current having an appropriate strength.

  Further, as shown in FIG. 5, the humidified air generated by the humidifier 3 is guided to the blower fan unit 2 through a ventilation path 12 provided on the back side of the main body unit 11. Furthermore, since the carbon dioxide gas supplied from the gas supply device 5 is also supplied to the blower fan unit 2, the humidified air and the carbon dioxide gas are mixed with the airflow supplied to the plant cultivation shelf 61 of each stage. As a result, plant growth is promoted. Thus, an appropriate air flow, humidification, and carbon dioxide supply to the cultivated plant can be realized with a relatively simple structure.

  And if the humidifier 3 is arranged on the lower side, it is possible to avoid problems such as volume reduction when the blower fan unit 2 and the humidifier 3 are provided at the same height position. it can. Moreover, the weight balance of the air blower 1 also improves because the humidifier 3 that requires a water tank is placed on the lower side.

  When the air guide unit 13 is configured to provide airflow to the left and right sides of the blower 1, the plant cultivation at each stage of the two cultivation shelf frames 6 arranged on both sides using the single blower 1 is used. A moderate airflow and humidity can be given to the shelf 61.

  When the inclination angle of the air guide plate 13a with respect to the blowing direction of the blower fan unit 2 is larger as the air guide plate 13a located on the lower side, the plant cultivation shelf 61 located on the upper side to the plant cultivation shelf 61 located on the lower side It is possible to generate an air flow with a substantially uniform air volume.

  Moreover, when the gas introduction part 23 for supplying a carbon dioxide gas is provided in the said ventilation fan part 2, the carbon dioxide required for growth is mixed with the said air flow, and it supplies to the plant of each plant cultivation shelf 61 Can do.

  You may employ | adopt the structure by which the said air blower 1 and the said cultivation shelf frame 6 are integrated. As such an integrated configuration, for example, the leg portion on one side in the longitudinal direction of the cultivation shelf frame 6 is omitted, and the side on which the leg portion is omitted is fixed to the frame portion of the blower 1 with a bolt or the like. A structure that can be considered.

  Moreover, in the plant cultivation factory which installs four said cultivation shelf frames 6 using two said air blowers 1, as shown in FIG. 6, two said cultivation shelf frames 6 were installed in the both sides of the said air blower 1. As shown in FIG. A structure in which the configurations are connected in series can be adopted.

  Moreover, the control apparatus which is not shown in figure can be provided in a plant cultivation factory. Such a control apparatus can form the light period and dark period with respect to a plant by controlling the said lighting fixture for cultivation. In addition, the amount of carbon dioxide supplied by the gas supply device 5 can be controlled in conjunction with the formation of the light period and the dark period. For example, control is performed so that the supply amount of carbon dioxide gas is increased in the light period rather than the dark period. The control device may control the amount of carbon dioxide supplied by the gas supply device 5 based on the output of a carbon dioxide sensor (not shown). Furthermore, the control device may control the amount of humidified air generated in conjunction with the light period and dark period or based on the output of a humidity sensor (not shown).

  As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to the thing of embodiment shown in figure. Various modifications and variations can be made to the illustrated embodiment within the same range or equivalent range as the present invention.

DESCRIPTION OF SYMBOLS 1 Air blower 11 Main body part 11a Air outlet 12 Air passage 13 Air guide part 13a Air guide plate 21 Fan main body part 22 Air inlet 23 Gas inlet part 3 Humidifier 4 Pipe 5 Gas supply apparatus 6 Cultivation shelf frame (plant cultivation apparatus)
61 Plant cultivation shelf

Claims (5)

  A blower that blows air to a plant cultivation shelf of a plant cultivation device, a blower that is arranged at the top and blows downward, a humidifier that supplies humidified air to the blower, and downward from the blower An air guide for adjusting the path of the air sent to the air and providing an air flow to the plant cultivation shelves at each stage, and a blower for a plant cultivation device, characterized in that:   In the air blower of the plant cultivation apparatus of Claim 1, the said humidifier is arrange | positioned in the lower part, The humidified air produced | generated with the said humidifier is supplied to the said ventilation part through a ventilation path, It is characterized by the above-mentioned. A blower for plant cultivation equipment.   In the air blower of the plant cultivation apparatus of Claim 1 or Claim 2, The said air guide part gives an airflow to the plant cultivation shelf of each step in the plant cultivation apparatus arrange | positioned at the both sides of the said air blower, A blower for plant cultivation equipment.   The air blower of the plant cultivation apparatus of any one of Claims 1-3 WHEREIN: The said air guide part has an air guide plate, The inclination of the said air guide plate with respect to the ventilation direction of the said air blow part An air blower of a plant cultivation device, characterized in that the angle is larger as the air guide plate located on the lower side.   The blower of the plant cultivation apparatus of any one of Claims 1-4 WHEREIN: The gas introduction part for supplying a carbon dioxide gas is provided in the said blower part, The plant cultivation apparatus characterized by the above-mentioned. Blower.

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