JP2016178941A - Hydroponic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hydroponic apparatus that enables indoor cultivation of vegetable in which vegetable to be cultivated can be raised in an optimum environment.SOLUTION: A hydroponic apparatus 1 comprises: a space cultivation apparatus body 2 in which a cultivation chamber 14 where nursery beds 4 are arranged and a light source device 5 which irradiates the nursery beds 4 with light from above are arranged in a space whose periphery is surrounded by a wall part including a pair of sidewall parts (right sidewall 8, left sidewall 9) facing each other. The right sidewall 8 includes a vent hole 80 for air inlet which introduces outside air into the cultivation apparatus body 2, the left sidewall 9 includes a vent hole 82 for air outlet which exhausts air in the cultivation apparatus body 2 to the outside, and the vent hole 80 for air inlet is arranged at a lower position than the vent hole 82 for air outlet.SELECTED DRAWING: Figure 12

Description

  The present invention relates to a hydroponic cultivation apparatus that can grow vegetables indoors.

  As a plant growing apparatus for growing plants, a technique described in Patent Document 1 below has been proposed. In this plant growing apparatus, an air circulation system for growing air is provided in a container. That is, the plant growing room and the machine room are partitioned by the partition wall in the container, and the light source is arranged above the plant growing room. An air conditioner is disposed in the machine room. A detector for detecting the temperature and humidity in the container is also provided. A vent hole is formed in the bottom wall of the partition wall, and an opening for communicating the plant growing room and the machine room is formed in the upper part of the partition wall. In the side wall of the container, an introduction hole for introducing the growing air into the container and an exhaust hole for keeping the growing air clean are formed.

  In the plant growing device configured as described above, the air for growth that flows into the container through the introduction hole as the air conditioner is driven is harmonized by the air conditioner based on the signal from the detector, and the bottom wall of the partition wall It is supplied to the plant growing room through the vent hole. The growing air rises and is heated when it passes through the light source. The heated growing air is returned to the machine room from the opening, processed by the air conditioner, and supplied to the plant growing room. The growing air is appropriately discharged from the exhaust hole.

  By the way, in recent years, various hydroponic cultivation apparatuses that enable cultivation of vegetables in a room such as a home have been proposed, and a light source is also used for this. However, when a light source is used in such a small hydroponic cultivation apparatus, the light source is provided in a narrow space, and the positional relationship between the light source and the vegetables in the hydroponic room must be close to each other. It is necessary to deal with the adverse effects of the fever on vegetables and the overheating of the light source itself. Moreover, it is necessary to cope with the adverse effect of moisture in the hydroponic chamber on the light source device and various control devices.

Utility Model Registration No. 2599881

  Then, this invention aims at provision of the hydroponic cultivation apparatus which can grow the vegetable to grow in the optimal environment in the hydroponic cultivation apparatus which enables the cultivation of vegetables indoors, such as a household.

The hydroponics apparatus described in the present application is a space in which a cultivation room in which a nursery is placed and a light source that emits light from above to the nursery are surrounded by a wall including a pair of opposing side walls. A hydroponic cultivation apparatus including a cultivation apparatus main body disposed therein, wherein the cultivation apparatus main body has a rectangular shape in plan view, and the wall portion, together with the pair of side wall portions, a front wall, a rear wall, and a ceiling wall And a closed space surrounded by the bottom wall, and an internal cultivation room can be visually recognized through the pair of side wall portions and the front wall, and one side wall portion of the pair of side wall portions is external An air supply vent that introduces air into the cultivation apparatus main body is provided, and the other side wall facing the one side wall has an exhaust ventilation hole that exhausts the air in the cultivation apparatus main body to the outside. Provided through the air supply vent and through the cultivation chamber the exhaust passage. In order to discharge from the hole to the outside, provided with a ventilation fan for forcibly circulating air, the exhaust air opening is arranged in the top wall near said cultivation room,
The air supply vent is disposed at a position lower than the exhaust vent.

  The hydroponic cultivation apparatus according to the present application is characterized in that the ventilation fan is disposed on the exhaust vent side, and air is forced to flow by placing the cultivation chamber in a negative pressure state. To do.

  In the hydroponic cultivation apparatus according to the present application, each of the pair of side wall portions includes a box portion in which a filter is internally provided, and the cultivation room is provided with the air supply vent hole and the filter on the one side wall portion. The cultivation room is in communication with the outside through the exhaust vent and the filter on the other side wall.

  In the hydroponic cultivation apparatus described in the present application, each box part includes a bulging part that bulges toward the outside of the cultivation apparatus main body, and each bulging part has an opening. The cultivation room communicates with the outside through the air supply vent hole, the filter, and the opening part related to the one side wall part, and the cultivation room relates to the other side wall part. It is characterized by communicating with the outside through the exhaust vent, the filter, and the opening.

  In the hydroponic cultivation apparatus according to the present invention, the intake vent provided in one side wall is disposed at a position lower than the exhaust vent provided in the opposite side wall. Thereby, the hydroponic cultivation apparatus which concerns on this invention has the outstanding effect that it is possible to grow vegetables in the suitable environment, for example.

It is a perspective view from one side of a hydroponics device which is one embodiment of the present invention. It is a perspective view from the other side surface direction of the hydroponic cultivation apparatus. It is a perspective view from the lower side of the state which omitted a part (lower part) of the rear wall of the hydroponic cultivation apparatus. It is a side view from one direction (right side) of the hydroponic cultivation apparatus. It is a side view from the other direction (left side) of the hydroponic cultivation apparatus. It is a top view of the hydroponic cultivation apparatus. It is a perspective view from the front upper direction of the state which decomposed | disassembled some hydroponics apparatuses. It is a perspective view from the bottom wall side of the hydroponic cultivation apparatus. It is a perspective view from the front upper direction of the state which abbreviate | omitted the ceiling wall and ventilation box of the hydroponic cultivation apparatus. It is side surface sectional drawing in the center part of the left-right direction of the hydroponic cultivation apparatus, and the principal part enlarged view. It is plane sectional drawing in the air supply path | route part of the hydroponic cultivation apparatus. It is front sectional drawing in the front-back direction center part of the same hydroponic cultivation apparatus. It is an enlarged view of A area | region in FIG. It is an enlarged view of the B area in FIG. It is the CC arrow directional view in FIG. It is the DD line | wire arrow line view in FIG.

Hereinafter, a hydroponic cultivation apparatus according to an embodiment of the present invention will be described with reference to the drawings. This hydroponic cultivation apparatus is used for a user to grow vegetables indoors. As shown in FIGS. 1 to 8, the hydroponic cultivation apparatus 1 includes a box-shaped cultivation apparatus main body 2. As shown in FIG. 7, the hydroponic cultivation apparatus 1 includes a case 3 that is detachably mounted on the cultivation apparatus body 2 and a nursery bed 4 that is detachably attached to the case 3. As shown in FIG. 9, the hydroponic cultivation apparatus 1 includes a light source device 5, and as illustrated in FIGS. 1 to 8, includes a ventilation system forming box 6 for forming a ventilation path.

[Cultivation equipment body]
The cultivation apparatus main body 2 has a rectangular bottom wall 7 (particularly refer to FIG. 7) having a left-right direction as a longitudinal direction in plan view, and a right side wall (one side wall) 8 erected on the right side of the bottom wall 7, A left side wall (other side wall) 9 erected on the left side of the bottom wall 7, a rear wall 10 erected on the rear part of the bottom wall 7, and the right side wall 8 and the left side wall 9 are connected at the upper end. The top wall 11 is provided. Thereby, the cultivation apparatus main body 2 is formed in the rectangular parallelepiped shape.

  The rear wall 10, the right side wall 8, and the left side wall 9 are transparent. Moreover, the cultivation apparatus main body 2 includes a front wall (lid plate) 13 that can open and close the front opening 12 that is opened by being surrounded by the bottom wall 7, the right side wall 8, the left side wall 9, and the top wall 11. The front wall 13 is transparent.

  As shown in FIG. 7, a space surrounded by the bottom wall 7, the right side wall 8, the left side wall 9, the top wall 11, and the front wall 13 is formed, and the space is a cultivation room 14. As shown in FIG. 8, a storage portion 15 that stores the front wall 13 after the front opening 12 is opened is provided on the back side of the bottom wall 7. The storage unit 15 includes a guide 16 that guides the front wall 13 in the front-rear direction along the wall surface of the bottom wall 7. The guide 16 is integrally formed with a holding portion 17 that holds the front wall 13 stored in the storage portion 15.

[Light source device]
As shown in FIGS. 7 and 10, the light source device 5 includes a light source chamber 18 disposed on the upper side of the cultivation room 14 and an LED 19 disposed in the light source chamber 18 inside the cultivation apparatus main body 2. The cultivation room 14 and the light source room 18 are partitioned in the vertical direction by a transparent partition wall 21. The light source chamber 18 is provided with an LED holder 20 on which a plurality of LEDs 19 as light sources are arranged in the left-right direction. The LED holder 20 has a left-right direction as a longitudinal direction. In the present embodiment, three LED holders 20 are arranged near the partition wall 21 in the light source chamber 18 and spaced apart in the front-rear direction. Yes.

  An electrical component 22 such as a power supply device and a timer is disposed in front of the light source chamber 18. A power switch (power operation piece) 23 and a time setting switch (for setting the current time) are disposed in the front of the light source chamber 18. Operation pieces 24 are arranged in the left-right direction (see FIG. 7). Of these, the power switch 23 is constantly exposed regardless of whether the front wall 13 is opened or closed, and the time setting switch 24 is configured to be exposed only when the front wall 13 is opened.

[Air supply path section (main body side air supply path section)]
The hydroponic cultivation apparatus 1 includes an air supply path unit for supplying air to the cultivation nutrient solution (cultivation storage water) W stored in the case 3. As shown in FIGS. 10 and 11, the air supply path section includes a main body side air supply path section 25 provided on the cultivation apparatus main body 2 side, and a case side air supply path section 26 provided on the case 3 side. It has. In addition, the X-ray which is a solid line in FIG. 10 shows the position which filled the nutrient solution W for cultivation, and the Y line which is a virtual line shows the position where the nutrient solution W for cultivation is insufficient.

〔Case〕
As shown in FIG. 7, the case 3 is detachable from the cultivation room 14 of the cultivation apparatus main body 2. The case 3 is placed on the bottom wall 7 of the cultivation room 14, which is the bottom wall 7 of the cultivation apparatus main body 2, so that the case 3 is stored in the cultivation apparatus main body 2. The case 3 can be pulled out and stored along the bottom wall 7. The case 3 includes a bottom plate (bottom wall) 37 that is rectangular in plan view, which is a relative shape to the planar shape of the bottom wall 7, and a peripheral plate (case wall) erected integrally from four sides of the bottom plate 37. . The peripheral plate includes a rear plate 38, a front plate 39, a right plate 40, and a left plate 41.

  In particular, the center part in the left-right direction of the rear plate 38 is formed to be convex toward the front. Specifically, the central portion in the left-right direction of the rear plate 38 is a rear curved plate portion 42 that curves forward when viewed in plan. In a state where the case 3 is attached to the cultivation apparatus main body 2, a space in which a part of the case-side air supply path portion 26 can enter is formed between the rear curved plate portion 42 and the rear wall 10. Moreover, the center part in the left-right direction of the front plate 39 is formed so as to protrude rearward. Specifically, the central portion in the left-right direction of the front plate 39 is a front curved plate portion 43 that is bent rearward in plan view.

  As shown in FIGS. 7 and 11, a corner-curved plate portion 44 that is curved toward the diagonal center of the bottom plate 37 is formed at one corner of the front side of the case 3. A float 45 is mounted in a space surrounded by a corner on the front side of the case 3 and the corner curved plate portion 44.

[Air supply path section (case side air supply path section)]
As shown in FIGS. 10 and 11, the case 3 includes a case-side air supply path portion 26 among the air supply path portions. The case-side air supply path portion 26 is provided at a substantially central portion in the left-right direction of the rear plate 38 of the case 3. The case side air supply path part 26 includes an insertion part (one end inlet part) 46, a discharge part (other end outlet part) 47, and a backflow prevention part 48.

  The discharge portion 47 is connected to a discharge nozzle (not shown) (immersed in the cultivation water) placed on the bottom plate 37 of the case 3 at the lower side on the front side of the rear plate 38.

[Nurse]
As shown in FIG. 7, the nursery bed 4 has a predetermined thickness and is formed in a rectangular shape relative to the bottom plate 37 of the case 3 in plan view. The seedbed 4 is formed in a slightly smaller area than the bottom plate 37.

  As shown in FIGS. 7 and 10 to 14, the nursery bed 4 has a plurality of cultivation holes formed on the plate surface. These cultivating holes have inner holes 55 arranged close to the center of the diagonal line of the plate surface (the spacing between the holes is narrow) and sparser than the inner holes 55 around the inner holes 55 ( And an outer hole 56 arranged at a large distance.

  A buoyancy space 61 is formed inside the seedbed 4 (around the inner hole 55 and the outer hole 56). With this configuration, when the cultivation water is stored in the case 3, the case 3 floats by receiving buoyancy from the cultivation nutrient solution W. This is a so-called float type nursery.

  The hydroponic cultivation apparatus 1 includes a first ventilation system that allows the air AR1 to be ventilated between the outside of the cultivation room 14 (outside of the cultivation apparatus body 2) and the inside (cultivation room 14), and the outside and inside of the light source room 18. A second ventilation system for ventilating the air AR2 is provided.

(Ventilation system formation box)
The ventilation system forming box 6 includes an inlet port forming vertical box portion 62, an exhaust port forming vertical box portion 63, and a communication horizontal box portion 64. The vertical box portion 62 for forming the inlet is arranged on the right side wall 8 of the cultivation apparatus body 2 so as to extend in the vertical direction. The vertical box part 63 for exhaust port formation is arrange | positioned so that the left side wall 9 of the cultivation apparatus main body 2 may follow an up-down direction. The communication horizontal box portion 64 is arranged along the horizontal direction so that the upper portions of the introduction port forming vertical box portion 62 and the exhaust port forming vertical box portion 63 communicate with each other at the top wall 11 (upper portion) of the cultivation apparatus main body 2. Has been. Thereby, the ventilation system formation box 6 is formed in a U-shape that is open on the lower side when viewed from the front.

  The vertical box portion 62 for forming the inlet is formed in a band shape by setting the width in the front-rear direction to be smaller than that of the right side wall 8 of the cultivation apparatus main body 2, and is arranged at the center in the front-rear direction of the right side wall 8. . The vertical box portion 63 for forming the exhaust port is formed in a band shape by setting the width in the front-rear direction to be smaller than that of the left side wall 9 of the cultivation apparatus main body 2, and is disposed at the center in the front-rear direction of the left side wall 9. . The communication horizontal box portion 64 is formed in a belt shape by setting the width in the front-rear direction to be smaller than that of the top wall 11, and is disposed in the center portion in the front-rear direction of the top wall 11.

[First ventilation system]
The first ventilation system uses the inlet port forming vertical box portion 62 and the exhaust port forming vertical box portion 63 of the ventilation system forming box 6 as constituent members. As shown in FIGS. 8 and 11, in the introduction port forming vertical box 62, the front vertical wall 70, the rear vertical wall 72, and the side vertical wall 74 are integrally formed, and the cultivation apparatus main body 2 It is formed in a substantially U-shaped cross section with the right side wall 8 side opened. The introduction port forming vertical box portion 62 has an introduction port portion 76 formed on the side vertical wall 74.

  The side vertical wall 74 includes an inlet bulging portion 77 that bulges toward the outside (right side) only at the lower portion thereof. The introduction port bulge 77 is formed using a part of the front vertical wall 70, the rear vertical wall 72, and the side vertical wall 74. The upper part of the bulge 77 for the inlet is formed so as to be inclined downward toward the outer side, the lower part is formed to be inclined upward toward the outer side, and the middle part in the vertical direction is formed so as to be along the vertical direction. Has been.

  The introduction port portion 76 is formed as a plurality of slits along the vertical direction of the side vertical wall 74. The introduction port portion 76 is composed of a plurality of slits. The front vertical wall 70 and the rear vertical wall 72 include an auxiliary introduction port portion 78. The auxiliary inlet port 78 functions particularly when the inlet port 76 is blocked. The auxiliary inlet port 78 is composed of a plurality of slits along the vertical direction (see, for example, FIG. 4).

  As shown in FIGS. 13 and 15, the first ventilation system includes an air supply ventilation hole 80 formed in the right side wall 8 of the cultivation apparatus main body 2. The air supply air holes 80 are, for example, square holes, and a plurality of air holes 80 are formed in the middle of the right side wall 8 in the vertical direction. An air supply filter 81 is detachably attached to the right side wall 8 outside the air supply air hole 80. The supply air vent 80 communicates with the introduction port 76.

  As shown in FIGS. 14 and 16, the first ventilation system includes an exhaust ventilation hole 82 formed in the left side wall 9 of the cultivation apparatus main body 2. The exhaust vent 82 is an opening opened at the top of the left side wall 9. As shown in FIG. 10, the exhaust vent 82 is formed in a shape in which a circular upper part is removed in a side view, and is a set of small holes divided in a mesh shape. An exhaust filter 83 is detachably attached to the left side wall 9 inside the exhaust vent 82.

  The first ventilation system includes a ventilation fan 84. As the ventilation fan 84, an axial fan having a rotation center axis 85 as a horizontal axis is used. The position of the rotation center shaft 85 of the ventilation fan 84 substantially coincides with the center of the exhaust ventilation hole 82 (center in the case of a circular shape).

  As shown in FIG. 3 and FIG. 11, in the vertical box portion 63 for exhaust port formation, a front vertical wall 71, a rear vertical wall 73, and a side vertical wall 75 are integrally formed, and It is formed in a substantially U-shaped cross section with the left side wall 9 side open. An exhaust port portion 86 is formed in the side vertical wall 75 of the exhaust port forming vertical box portion 63.

The side vertical wall 75 includes an exhaust port bulging portion 87 that bulges outward (right side) only at its lower portion. The exhaust port bulge 87 is formed using a part of the front vertical wall 71, the rear vertical wall 73, and the side vertical wall 75. The upper part of the bulging portion 87 for the exhaust port is formed so as to be inclined downward toward the outer side, the lower part is formed to be inclined upward toward the outer side, and the middle part in the vertical direction is formed so as to be along the vertical direction. Has been.

  The exhaust port portion 86 is formed as a plurality of slits along the vertical direction of the side vertical wall 75. The exhaust port portion 86 is composed of a plurality of slits. The front vertical wall 71 and the rear vertical wall 73 include an auxiliary exhaust port portion 88. The auxiliary exhaust port portion 88 functions particularly when the exhaust port portion 86 is blocked. The auxiliary exhaust port 88 is composed of a plurality of slits along the vertical direction (see, for example, FIG. 2).

  With this configuration, when the aeration fan 84 rotates about the rotation center axis 85, the air AR1 is introduced from the outside of the hydroponic cultivation apparatus 1 into the introduction port portion 76 that is in a negative pressure state, and the supply air vent hole. After passing through 80, it is introduced into the cultivation room 14, and then passes through the exhaust vent 82 and the vent fan 84 and is exhausted from the exhaust port 86. That is, the air AR1 is formed by the introduction port portion 76, the internal space of the introduction port forming vertical box portion 62, the cultivation room 14, the exhaust air vent 82, the internal space of the exhaust port forming vertical box portion 63, and the exhaust port portion 86. It flows through the first ventilation path 91 of the first ventilation system formed.

[Second ventilation system]
The second ventilation system includes a ventilation system forming box 6. The ventilation system forming box 6 includes an inlet port forming vertical box portion 62, an exhaust port forming vertical box portion 63, and a communication horizontal box portion 64. That is, the inlet port forming vertical box portion 62 and the exhaust port forming vertical box portion 63 are also used as the second ventilation system. The ventilation fan 84 is also used as the second ventilation system. The second ventilation system includes respective internal spaces of the inlet port forming vertical box portion 62 and the exhaust port forming vertical box portion 63.

  As shown in FIG. 10, a communication opening 95 is formed at the center in the front-rear direction of the top wall 11 of the cultivation apparatus body 2 over the left-right direction, and the communication horizontal box 64 covers the communication opening 95. It is attached to the top wall 11. That is, the communication horizontal box portion 64 is formed in a substantially U-shaped cross section in which the front side wall 96, the rear side wall 97, and the upper side wall 98 are integrally formed to close the communication opening 95.

  The predetermined region at the end of the partition wall 21 on the exhaust port forming vertical box portion 63 side is shifted downward relative to the region of the partition wall 21 on the introduction port forming vertical box portion 62 side. Specifically, as shown in FIG. 12 and FIG. 14, an inclined wall 99 inclined to a lower position on the outer side (left side) in a predetermined region of the end portion on the exhaust port forming vertical box portion 63 side, The vertical height of the light source chamber 18 is widened by the horizontal wall 100 extending laterally from the outer end of the wall 99.

  With this configuration, the horizontal wall 100 is in the middle of the vertical width of the ventilation fan 84, the upper part of the ventilation fan 84 faces the light source chamber 18 (ventilation path) in the second ventilation system, and the lower part of the ventilation fan 84. Are arranged so as to face the exhaust vent 82 (vent passage) in the first vent system. When the ventilation fan 84 rotates about the rotation center axis 85, the air AR <b> 2 is introduced from the outside of the hydroponic cultivation apparatus 1 to the introduction port portion 76 that is in a negative pressure state, and It passes through the internal space and is introduced into the light source chamber 18, and then passes through the ventilation fan 84 and is exhausted from the exhaust port 86. That is, the air AR2 is a second ventilation formed by the introduction port portion 76, the internal space of the introduction port forming vertical box portion 62, the light source chamber 18, the internal space of the exhaust port formation vertical box portion 63, and the exhaust port portion 86. It flows through the second air passage 92 of the system.

The usage method of the hydroponic cultivation apparatus 1 having the above configuration will be briefly described. First, the user of the hydroponic cultivation apparatus 1 selects either the inner hole 55 or the outer hole 56 of the nursery bed 4 according to the plant (vegetable) to be cultivated, and the hole is made of a water-absorbing material such as a sponge. A nursery member (not shown) is packed, and vegetable seeds are planted on the nursery member. Further, the cultivation nutrient solution W is stored in the case 3. Then, the nursery member absorbs the cultivation nutrient solution W, and the cultivation nutrient solution W is given to the seeds.

  And if the air pump (air supply pump) AP arrange | positioned at the rear lower part of the cultivation apparatus main body 2 is driven, the main body side air supply path | route part 25 and the case side will be from the air supply pipe 33 connected to the air supply port of air pump AP. The air AR1 moves through the air supply path section 26, and the air AR1 is supplied as bubbles from the discharge path 47a into the cultivation nutrient solution W for cultivation. By doing in this way, the state where the nutrient solution W for cultivation becomes oxygen-deficient can always be prevented. It plays the role of supplying oxygen to the roots of cultivation.

  The user operates the time setting switch 24 to set the current time. And the front wall 13 is pulled out from the lower part of the cultivation apparatus main body 2, and the front part opening 12 is closed. Even if the front opening 12 is closed, the power switch 23 is exposed, so that the user can press the power switch 23. When the user presses the power switch 23, the LED 19 disposed in the light source chamber 18 is turned on. Since the cultivation room 14 and the light source room 18 are partitioned by a transparent partition wall 21 in the vertical direction, the light of the LED 19 that is an artificial light source is irradiated to the seed.

  When the user operates the time setting switch 24 to set the current time and presses the power switch 23, in the hydroponic cultivation apparatus 1 of the present embodiment, for example, the LED 19 is turned on for 18 hours and turned off for 6 hours. Are set to repeat sequentially. The ventilation fan 84 is also driven / stopped in synchronization with the lighting and extinguishing of the LED 19.

  When the ventilation fan 84 is driven, the air AR1 is introduced from the outside of the hydroponic cultivation device 1 into the introduction port portion 76 which is in a negative pressure state, passes through the air supply ventilation hole 80, and enters the cultivation room 14 Then, the air passes through the exhaust vent 82 and the vent fan 84 and is exhausted from the exhaust port 86. That is, the air AR1 is formed by the introduction port portion 76, the internal space of the introduction port forming vertical box portion 62, the cultivation room 14, the exhaust air vent 82, the internal space of the exhaust port forming vertical box portion 63, and the exhaust port portion 86. It flows through the first ventilation path 91 of the first ventilation system formed. By such a flow of air AR1, fresh air is supplied into the cultivation room 14, and an environment suitable for plant cultivation is created. A temperature sensor (not shown) is provided in the vicinity of the ventilation fan 84. When the temperature of the cultivation room 14 is detected and the temperature of the cultivation room 14 exceeds a predetermined temperature, the air volume of the ventilation fan 84 is detected. Automatic adjustment is made to increase

  The front vertical wall 70 and the rear vertical wall 72 are provided with an auxiliary introduction port portion 78. For this reason, when the hydroponics apparatus 1 is installed along the wall of the room and the introduction port portion 76 is blocked, the air AR1 and the air AR2 are introduced from the auxiliary introduction port portion 78.

  Further, when the aeration fan 84 rotates around the rotation center axis 85, the air AR2 is introduced from the outside of the hydroponic cultivation apparatus 1 into the introduction port portion 76 which is in a negative pressure state, and the introduction port forming vertical box portion 62 passes through the internal space 62 and is introduced into the light source chamber 18, and then passes through the ventilation fan 84 and is exhausted from the exhaust port 86. That is, the air AR2 is a second ventilation formed by the introduction port portion 76, the internal space of the introduction port forming vertical box portion 62, the light source chamber 18, the internal space of the exhaust port formation vertical box portion 63, and the exhaust port portion 86. It flows through the second air passage 92 of the system. The heat of the LED 19 generated in the light source chamber 18 is cooled by such a flow of the air AR2, and it is possible to avoid a decrease in luminance and color of the light source with respect to a temperature increase due to the heat generation of the LED 19, and the temperature in the cultivation chamber 14 Can be avoided, and an environment suitable for plant cultivation can be created. Furthermore, since the cultivation room 14 and the light source room 18 are partitioned, moisture in the cultivation room 14 is not introduced into the upper light source room 18, and adverse effects on the light source device 5 and the like can be prevented.

The front vertical wall 71 and the rear vertical wall 73 include an auxiliary exhaust port portion 88. For this reason, even when the hydroponics apparatus 1 is installed along the indoor wall, the air AR2 and the air AR1 are exhausted from the auxiliary exhaust port 88.

  In a predetermined region on the end portion on the exhaust port forming vertical box portion 63 side, an inclined wall 99 that is inclined so as to become a lower position toward the outer side, and a horizontal wall 100 that extends laterally from the outer end portion of the inclined wall 99. The vertical height of the light source chamber 18 is widened. With this configuration, the air AR <b> 2 introduced into the light source chamber 18 can directly pass through the ventilation fan 84 and is smoothly exhausted from the exhaust port portion 86. As described above, since the vertical height of the light source chamber 18 is widened, the ventilation fan 84 can be used for both the first ventilation system and the second ventilation system. Becomes cheaper.

  In other words, the expanded light source chamber 18 allows the ventilation fan 84 to pass through the first ventilation path 91 and the first ventilation path 91 of the first ventilation system in the vertical box portion 63 for exhaust port formation in the first ventilation system and the second ventilation system. It arrange | positions so that the 2nd ventilation path 92 of a two ventilation system may be covered. For this reason, even if the hydroponic cultivation apparatus 1 includes a plurality of ventilation systems, that is, the first ventilation system and the second ventilation system, the number of necessary ventilation fans 84 is minimized.

  The present invention is not limited to the above embodiment. In the above embodiment, the size of the amount of air passing through each ventilation path is set by setting the size of the opening area of the first ventilation path 91 and the opening area of the second ventilation path 92 with respect to the suction area of the ventilation fan 84. Although the example has been described, the present invention is not limited to this, and for example, the opening ratio of the introduction port portion 76 of the first ventilation path 91 and the opening ratio of the second ventilation path 92 are adjusted to set the amount of air passing through each ventilation path. What is necessary is just to set suitably, such as performing. Further, the method of setting the opening area is not limited to the above embodiment, and may be appropriately set such as providing a baffle plate in the air passage.

  In the above-described embodiment, the example in which the ventilation fan 84 is provided in the vertical box portion having the exhaust port portion 86 has been described. However, the present invention is not limited thereto, and for example, the suction side is disposed toward the introduction port portion 76. What is necessary is just to set the place provided suitably, such as providing in the vertical box part which has the part 76. FIG.

  In the above embodiment, an axial fan is used as the ventilation fan 84. However, for example, a multi-blade fan (sirocco fan) or a cross flow fan may be used.

  In the above embodiment, the LED 19 is used as the light source device, but a fluorescent lamp may be used.

  DESCRIPTION OF SYMBOLS 1 ... Hydroponic cultivation apparatus, 2 ... Cultivation apparatus main body, 4 ... Nursery bed, 5 ... Light source device, 6 ... Aeration system formation box, 7 ... Bottom wall, 8 ... Right side wall, 9 ... Left side wall, 10 ... Rear wall, 11 DESCRIPTION OF SYMBOLS ... Top wall, 13 ... Front wall, 14 ... Cultivation room, 18 ... Light source room, 20 ... Holding body, 21 ... Partition wall, 23 ... Power switch, 62 ... Vertical box part for introduction port formation, 63 ... For exhaust port formation Vertical box part, 64 ... Communication horizontal box part, 76 ... Introduction port part, 77 ... Inlet port bulge part, 78 ... Auxiliary introduction port part, 80 ... Air supply vent hole, 81 ... Air supply filter, 82 DESCRIPTION OF SYMBOLS ... Exhaust air hole, 83 ... Exhaust filter, 84 ... Ventilation fan, 85 ... Rotation center axis, 86 ... Exhaust port part, 87 ... Exhaust port bulge part, 88 ... Auxiliary exhaust port part, 91 ... First Air passage, 92 ... second air passage, 95 ... communication opening, 96 ... front side wall, 97 ... rear side wall, 98 ... upper side wall, 99 ... tilted wall, 100 ... horizontal wall, R1 ... air, AR2 ... air

Claims (4)

The cultivation room which arranges a cultivation room which arranges a nursery bed, and the light source which irradiates light from the upper part to the above-mentioned nursery bed in the space surrounded by the wall part containing a pair of opposite side wall parts is provided Hydroponic cultivation equipment,
The cultivation apparatus body is
It has a rectangular shape in plan view.
The wall portion together with the pair of side wall portions forms a closed space surrounded by a front wall, a rear wall, a top wall, and a bottom wall,
The inside cultivation room is visible through the pair of side walls and the front wall,
One side wall part of the pair of side wall parts includes an air supply air hole that introduces external air into the cultivation apparatus main body,
The other side wall portion opposite to the one side wall portion includes an exhaust vent for exhausting the air in the cultivation apparatus main body to the outside,
Introduced from the air supply vent, and provided with a ventilation fan for forcing air to flow through the cultivation room and exhausted from the exhaust vent to the outside,
The exhaust vent is disposed near the top wall in the cultivation room,
The hydroponic cultivation apparatus, wherein the air supply vent is disposed at a position lower than the exhaust vent. It is the hydroponic cultivation apparatus of Claim 1,
The ventilation fan is
Arranged on the exhaust vent side,
Hydroponic cultivation apparatus characterized in that air is forced to circulate by placing the cultivation chamber in a negative pressure state. The hydroponic cultivation apparatus according to claim 1 or 2,
Each of the pair of side wall portions includes a box portion that internally includes a filter,
The cultivation room communicates with the outside through the air supply vent hole and the filter according to the one side wall part,
The said cultivation room is communicating with the exterior through the said ventilation hole and filter which concern on said other side wall part. The hydroponic cultivation apparatus characterized by the above-mentioned. The hydroponic cultivation apparatus according to claim 3,
Each box portion includes a bulging portion that bulges toward the outside of the cultivation apparatus body,
Each bulge has an opening, respectively.
The cultivation room communicates with the outside through the air supply vent hole, the filter, and the opening portion according to the one side wall portion,
The said cultivation room is communicating with the exterior through the said ventilation hole, the said filter, and the said opening part which concern on said other side wall part. The hydroponic cultivation apparatus characterized by the above-mentioned.

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