JP2003009675A - Plant factory - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plant factory having good efficiency. SOLUTION: This plant factory is equipped with a growing chamber 1 installed on a building body 4 and capable of collecting natural light, an atmosphere control device 2 for controlling atmosphere in the growing chamber 1, and a culture solution feeder 3 for feeding a culture solution to plants in the growing chamber 1. The plant factory carries out effective utilization of land and efficiently harvests plants while collecting natural light and uses waste heat from building facility as a heat energy source for the atmosphere control device 2 to effectively utilize waste heat of the building.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a plant factory.

[0002]

2. Description of the Related Art In recent years, plant factories for consistently cultivating leafy vegetables such as spinach, honeybee, radish radish and perilla and fruit vegetables such as tomato and cucumber in a growth room have been put into practical use.

In a plant factory, the proportions of oxygen, carbon dioxide, and nitrogen in the growth chamber, temperature, and humidity are controlled in an atmosphere suitable for plant cultivation, and various nutrients are added to the roots of germinated plants. The plant is grown without soil by spraying the contained culture solution.

As the light necessary for photosynthesis, there is a case where natural light (sunlight) is used by using a transparent material for the roof part of the growth room and a case where an artificial light source such as a sodium lamp is used.

In such a plant factory, since the plants are grown in a growth chamber where the atmosphere is controlled, it is possible to stably supply the plants, which are products, to consumers without being affected by the weather and pests. it can.

Further, since the soil is not used, there is no deposit on the plants and there is no need to carry out water washing at the time of shipping.

Further, by controlling the atmosphere, the culture solution and the light, the growth period is shortened as compared with the open field cultivation, and the plants can be efficiently harvested.

[0008]

However, the plant factories that have been proposed so far have their buildings constructed on flat ground, and compared with open-field cultivation, an atmosphere management device, a culture solution supply device, etc. are installed. The planted area will be narrowed by the amount, and it will not be possible to take full advantage of the plant factory by simply converting the existing cultivated land into a plant factory.

The present invention has been made in view of the above circumstances, and an object thereof is to provide an efficient plant factory.

[0010]

In order to achieve the above object, in a plant factory according to claim 1 of the present invention, a growing room installed on a building body and capable of collecting natural light, and an atmosphere in the growing room. And a culture solution supply device for supplying the culture solution to the plants in the growth chamber, and exhaust heat from the building equipment is used as the heat energy source of the atmosphere management apparatus.

Further, in the plant factory according to claim 2 of the present invention, a growth room installed between the building frames and capable of collecting natural light, an atmosphere management device for adjusting the atmosphere in the growth room, and an interior of the growth room. A culture solution supply device for supplying the culture solution to the plant is provided, and exhaust heat from the building equipment is used as a heat energy source of the atmosphere management device.

In the plant factory according to claim 1 of the present invention, a growth room for cultivating a plant is installed on a building frame,
While taking in natural light, we plan to make effective use of land and use the waste heat of building equipment as a heat energy source for atmosphere management equipment.
Efficient use of building waste heat.

In the plant factory according to claim 2 of the present invention, a growth room for cultivating a plant is installed between building frames,
While taking in natural light, we plan to make effective use of land and use the waste heat of building equipment as a heat energy source for atmosphere management equipment.
Efficient use of building waste heat.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a first example of an embodiment of a plant factory of the present invention. This plant factory comprises a growth chamber 1, an atmosphere management device 2, and a culture solution supply device 3.

The growth room 1 has a roof 5 which is provided on the roof of the building body 4 and which is formed of a member through which natural light can pass.

The atmosphere management device 2 is attached to the growth room 1, and is attached to the weather observation device 6, the indoor environment measuring mechanism 7, the environment control device 8, the plant biological monitoring device 9, and the culture solution supply device 3. Each is connected through a signal line.

Exhaust heat from building equipment is used as a thermal energy source required by the atmosphere management device 2.

The meteorological observation device 6 is arranged in the vicinity of the growth room 1 and transmits the result obtained by performing the meteorological observation to the atmosphere management device 2 as outside air meteorological data 10.

The indoor environment measuring mechanism 7 is arranged at a key place in the growing room 1, and the results obtained by measuring the conditions such as the proportions of oxygen, carbon dioxide and nitrogen in the room, humidity and temperature are The indoor environment data 11 is transmitted to the atmosphere management device 2.

The environment control device 8 is arranged at a key place in the growth chamber 1 and operates in accordance with a command signal from the atmosphere management device 2 to determine the proportion of oxygen, carbon dioxide and nitrogen in the growth chamber 1,
Maintain conditions such as humidity and temperature in an atmosphere suitable for plant cultivation.

The plant living body monitoring device 9 is arranged at a position where the inside of the growing room 1 can be overlooked from above, monitors the growing condition of the plant through a camera, and sends its image to the atmosphere management device 2.

The culture solution supply device 3 operates based on a command signal from the atmosphere management device 2 and sprays the culture solution containing various nutrients onto the roots of the germinated plants.

In the plant factory shown in FIG. 1, the outside air weather data 10 transmitted by the meteorological observation device 6, the indoor environment data 11 transmitted by the indoor environment measuring mechanism 7, and the plant life monitoring device 9 Based on the image of the growing state,
The atmosphere management device 2 that manages the atmosphere in the growth room 1 sends a necessary command signal to the environment control device 8 and the culture solution supply device 3, respectively.

The culture solution supply device 3 operates in response to the command signal transmitted from the atmosphere management device 2, and
A culture solution containing various nutrients required depending on the growth condition of the plant is sprayed.

The environment control device 8 operates in response to the command signal transmitted from the atmosphere management device 2, and determines the proportions of oxygen, carbon dioxide, and nitrogen in the growth chamber 1, humidity, temperature, and other conditions. Maintain an atmosphere suitable for cultivation.

Thus, the plants function as the culture solution supply device 3 and the environment control device 8 in a timely manner, and the roof 5 of the growth chamber 1.
Since it grows throughout the year due to photosynthesis by the action of natural light that passes through and is incident, the growing period is shortened as compared with open-field cultivation, and plants can be efficiently harvested.

As described above, in the plant factory shown in FIG. 1, the plant can be efficiently harvested, and the growth room 1 for cultivating the plant is installed on the building body 4, so that the land can be effectively used. Even when the building is forested, natural light can be taken into the growth room 1 to minimize the amount of lighting power used.

Further, the exhaust heat of the building equipment is controlled by the atmosphere management device 2
Since it is used as the heat energy source of the building, it is possible to effectively use the waste heat of the building.

Further, if the growing room 1 is provided in a building close to the area where the harvested product is consumed, the distribution cost can be reduced, or the harvested room can be sold immediately in the building.

FIG. 2 shows a second example of the embodiment of the plant factory of the present invention. In the figure, the same reference numerals as those in FIG.
Represent the same thing.

In this plant factory, the floor member 1 is provided between the building frames 4.
A floor 13 is formed by crossing over 2 and a growth chamber 1 is provided on the floor 13.

In addition, the atmosphere management device 2 and the culture solution supply device 3 provided in the growth chamber 1 are provided, and the exhaust heat from the building equipment is used as the heat energy source of the atmosphere management device 2. Since it is the same as the first example shown in FIG. 1, the following description will be omitted.

As a result, in the plant factory shown in FIG. 2 as well, plants can be efficiently harvested, and since the growth chamber 1 for cultivating the plants is installed between the building frames 4, the land can be effectively used and Even when the forest is standing, natural light can be taken into the growth room 1 to minimize the amount of lighting power used.

In addition, the exhaust heat of the building equipment is controlled by the atmosphere management device 2
Since it is used as the heat energy source of the building, it is possible to effectively use the waste heat of the building.

Further, if the growing room 1 is provided in a building close to the area where the harvested product is consumed, the distribution cost can be reduced, or the harvested room can be sold immediately in the building.

FIG. 3 shows a third example of the embodiment of the plant factory of the present invention. In the figure, the same reference numerals as those in FIG.
Represent the same thing.

In this plant factory, in addition to the configuration of the plant factory shown in FIG. 1, a growth chamber 14 installed in the underground portion 4a of the building body 4, an atmosphere management device 15, and a culture solution supply device 1
6 and an artificial light source 17.

The atmosphere management device 15 is attached to the growing room 14, and has an indoor environment measuring mechanism 18 and an environment control device 1.
9, plant biological monitoring device 20, and culture liquid supply device 16
Are connected via signal lines.

Exhaust heat from building equipment is used as the thermal energy source required by the atmosphere management device 15.

The indoor environment measuring mechanism 18 is arranged in a key place in the growing room 14, and the results obtained by measuring the conditions such as the proportions of oxygen, carbon dioxide and nitrogen in the room, the humidity and the temperature, The indoor environment data 21 is transmitted to the atmosphere management device 15.

The environment control device 19 is arranged in a key place in the growth chamber 14 and operates based on a command signal from the atmosphere management device 15, and the ratio of oxygen, carbon dioxide, and nitrogen in the growth chamber 14 and the humidity. , Maintain temperature and other conditions in an atmosphere suitable for plant cultivation.

The plant living body monitoring device 20 is arranged at a position where the inside of the growth chamber 14 can be overlooked from above, monitors the growth condition of the plant through a camera, and transmits its image to the atmosphere management device 15.

The culture solution supply device 16 is the atmosphere control device 1
It operates based on the command signal of No. 5 and sprays the culture solution containing various nutrients on the roots of germinated plants.

The artificial light source 17 is the underground portion 4a of the building frame 4.
It is composed of multiple sodium lamps attached to the required locations on the ceiling of.

In the plant factory shown in FIG. 3, based on the indoor environment data 21 transmitted from the indoor environment measuring mechanism 18 and the image of the growing condition of the plant transmitted from the plant biological monitoring device 20, the inside of the growing chamber 14 is examined. The atmosphere management device 15 that manages the atmosphere sends command signals required for the environment control device 19 and the culture solution supply device 16, respectively.

The culture solution supply device 16 is the atmosphere control device 1
5 operates in response to a command signal transmitted from the device 5, spraying the culture solution containing various nutrients required for the plant roots on the plant roots.

The environment control device 19 operates in response to the command signal transmitted from the atmosphere management device 15, and the growth room 14
The conditions of oxygen, carbon dioxide, nitrogen, humidity, temperature, etc. are maintained in an atmosphere suitable for plant cultivation.

Thus, the plant works artificially with the artificial light source 17 and the functions of the culture solution supply device 16 and the environment control device 19 which are timely.
It grows in the growth chamber 14 throughout the year due to photosynthesis by the action of.

Therefore, the seeds are sown and germinated in the growth room 14 in the basement 4a, and the plants raised to a predetermined state are further grown on the building skeleton 4 or in the growth room 1 between the building skeletons 4. By doing so, it is possible to prevent the planting area of the plant from expanding and the amount of electric power used to increase significantly.

The plant factory of the present invention is not limited to the above-described embodiments, and it goes without saying that changes can be made without departing from the scope of the present invention.

[0052]

As described above, according to the plant factory of the present invention, various excellent effects as described below can be obtained.

(1) In the plant factory according to claim 1 of the present invention, since the growth room for cultivating the plant is installed on the building frame, it is possible to effectively utilize the land while taking in natural light.

(2) In the plant factory according to the second aspect of the present invention, since the growth chamber for cultivating plants is installed between the building frames, it is possible to effectively utilize the land while taking in natural light.

(3) Claim 1 or Claim 2 of the present invention
In any of the plant factories described in (1) above, since the exhaust heat of the building equipment is used as the heat energy source of the atmosphere management device, it is possible to effectively use the exhaust heat of the building.

[Brief description of drawings]

FIG. 1 is a conceptual diagram showing a first example of an embodiment of a plant factory of the present invention.

FIG. 2 is a conceptual diagram showing a second example of the embodiment of the plant factory of the present invention.

FIG. 3 is a conceptual diagram showing a third example of the embodiment of the plant factory of the present invention.

[Explanation of symbols]

1 growth room 2 atmosphere management device 3 Culture liquid supply device 4 building frame

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Takayuki Amma             2440 Hara, Numazu City, Shizuoka Prefecture Ishikawajima Transport Machinery             Numazu Mechatronics Center Co., Ltd. (72) Inventor Muneharu Neda             2440 Hara, Numazu City, Shizuoka Prefecture Ishikawajima Transport Machinery             Numazu Mechatronics Center Co., Ltd. F term (reference) 2B029 AB01 BA10 JA10 KB05 MA01                       MA06                 2B314 MA38 MA39 MA40 MA41 MA42                       MA51 PD63

Claims (2)

[Claims] 1. A growth room installed on a building body and capable of collecting natural light, an atmosphere management device for adjusting the atmosphere in the growth room, and a culture solution supply device for feeding the culture solution to the plants in the growth room. The plant factory is characterized by using exhaust heat from building equipment as a heat energy source for the atmosphere management device. 2. A growth chamber that is installed between building frames and that can illuminate natural light, an atmosphere management device that adjusts the atmosphere in the growth chamber, and a culture liquid supply device that supplies the culture liquid to the plants in the growth chamber. The plant factory is characterized by using exhaust heat from building equipment as a heat energy source for the atmosphere management device.