KR20140017935A - Plant factory for cultivating plants - Google Patents

Abstract

The present invention relates to a plant factory using natural light, and has a growth and development house which is formed to have a sealed interior space for growth and development of a substitution vegetation plant inside; a skylight, on the upper surface of a growth and development house, formed for sunlight to enter the interior space; and a filter unit enabling only light in shielded or selected wavelength bands from sunlight entered through the skylight to be filtered and penetrated. According to such a plant factory using natural light, only light in wavelength bands required for plant growth and development is filtered from incident sunlight and is supplied, and an advantage of using air in a residential building as a source of carbon dioxide is provided. [Reference numerals] (184) Charging unit

Description

A plant factory using natural light {plant factory for cultivating plants}

The present invention relates to a plant plant using natural light, and more particularly, to a plant plant capable of growing plants using natural light and an artificial light source.

In general, plants are promoted or suppressed by light, and the synthesis of specific functional materials can be improved by the irradiation method of light, and the irradiation method is changed according to the target organism or the purpose of growth.

Recently, a variety of plant factories have been proposed, which can artificially regulate plant growth environment conditions in a closed space and control the rate of plant growth to produce plants in large quantities.

Such a plant has been proposed variously as a method of utilizing a light-emitting diode (LED) having an efficiency higher than that of a conventional fluorescent lamp as an artificial light source, such as Korean Laid-Open Patent Application No. 2012-0072436.

However, when only the light emitting diode is used, there is a drawback in that the facility cost for lighting is large.

On the other hand, a glass greenhouse using natural light is disadvantageous in that it has a high solar light transmittance because it is made of a transparent glass, but has a low heat insulating property, thus causing a lot of indoor cooling or heating costs.

In order to solve these problems, there has been proposed a plant plant using solar light in which natural light is used during daytime and artificial light source is used at night, but unlike an artificial light source, natural light can provide only light of a wavelength band There is no problem.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a plant plant capable of irradiating plants with light of a desired wavelength band by using natural light and artificial light sources in parallel, have.

According to an aspect of the present invention, there is provided a plant plant comprising: a growth house having an enclosed inner space for growing plants to be planted; A skylight formed on the upper surface of the growth house to allow sunlight to enter the interior space; And a filter unit configured to shield sunlight flowing through the skylight or transmit only light of a selected wavelength band.

The filter unit includes a rotating plate which is opposed to the skylight and rotatably installed in the growing house through a rotating shaft; And a color filter disposed on the rotating plate so as to shield light or selectively transmit different color lights on the divided areas opposed to the light window when rotating along the rotation axis.

Preferably, the rotary plate is divided into four filtering regions corresponding to the light transmitting region of the light window along the circumference direction about the rotation axis, and the color filter includes a red color filter transmitting red light to the four filtering regions, A green color filter transmitting green light, a blue color filter transmitting blue light, and a light shielding filter blocking light transmission.

A light emitting unit in which a light emitting diode illumination lamp is arrayed so that light can be irradiated to plants to be grown in an inner space of the growing house; An illuminance sensor for detecting illuminance in the growing house; A storage unit for storing growth environment information on plants to be grown; And a main control unit for controlling the light emitting unit to control the on / off operation and the light amount of the light emitting unit based on the information output from the illuminance sensor according to the growth environment information stored in the storage unit.

More preferably, an air supply pipe piped so as to supply air in a building used as a residence space to the growing house; A blowing unit installed on a duct of the air supply pipe and controlling the air in the building to be controlled by the main control unit to blow into the growing house; And a solar power generator for supplying power generated by a solar cell module installed on a roof of the growth house to driving power of the light emitting unit.

According to the plant plant of the present invention, it is possible to filter and supply light of a wavelength band required for plant growth of sunlight, and it is possible to use the air of a residence building as a carbon dioxide supply source.

1 is a view showing a plant plant according to the present invention,
Fig. 2 is an exploded perspective view showing the filter unit mounting portion of Fig. 1,
3 is a block diagram of a control system of the plant factory of Fig.

Hereinafter, a plant plant according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a view showing a plant plant according to the present invention, FIG. 2 is an exploded perspective view showing a filter unit installation part of FIG. 1, and FIG. 3 is a block diagram of a control system of the plant plant of FIG.

1 to 3, a plant plant 100 according to the present invention includes a growth house 110, a filter unit 130, a light emitting unit 140, an illuminance sensor 151, a carbon dioxide sensor 153, A sensor 155, a humidity sensor 157, an air supply pipe 161, a blowing unit 170, a solar power generating unit 180, and a control unit 190.

The growth house 110 is provided with an enclosed inner space 112 for growing plants to be planted. The upper surface 114 corresponding to the roof is provided with a plurality of A skylight 118 is formed.

Here, the skylight 118 has a triangular shape such that its inner width progressively narrows as it goes upward from the light transmitting hole 118a formed in a square on the upper surface 114 of the growth house 110 so as to increase the light condensing efficiency of the sunlight have.

The wall 115 of the growth housing 110 other than the skylight 118 is constructed of a non-transmissive material so as to increase the heat insulating property.

The filter unit 130 can shield sunlight flowing through the light transmitting hole 118a of the skylight 118 and filter the light of the selected wavelength band.

The filter unit 130 includes a rotation plate 143 provided to the growth house 110 so as to be rotatably supported by the rotation axis 132 so as to face the light transmission hole 118a of the rotation axis 134, (141 to 144) arranged so as to shield light or selectively transmit different color lights on the four regions which are respectively opposed to the light transmission holes (118a) of the skylight (118) ).

In the illustrated example, the rotary plate 134 is divided into four filtering areas corresponding to the light transmitting area of the light window along the circumference direction around the rotary shaft 132, and the color filters 141 to 144 are arranged in the four filtering areas, A green color filter 142 transmitting green light, a blue color filter 143 transmitting blue light, and a light blocking filter 144 blocking light transmission.

The light shielding filter 144 may be formed to block light transmission into the inner space, and may be formed in black, for example.

Alternatively, the rotation plate 134 made of a material whose light transmission is blocked may be used as it is without applying a separate filter to the region where the light shielding filter 144 is formed.

The size of the rotating plate 134 may be formed such that the color filters 141 to 144 cover the light transmitting hole 118a of the skylight 118 every time the rotating shaft 132 is rotated by 90 degrees.

In the illustrated example, the rotary plate 134 is shown to be capable of manually adjusting the color of light through the knob 148 provided at the bottom, but it can be constructed to adjust the rotation angle by driving a motor (not shown) have. In this case, the main control unit 196, which will be described later, can be constructed so as to control the motor that drives the rotary plate 134.

The light emitting unit 140 includes a light emitting diode (LED) illumination lamp 144 and a light emission driving unit 146 that are arranged to irradiate light to the plant to be grown in the inner space 112 of the growth house 110.

Here, the light emitting diode illumination lamp 144 has a structure in which red light emitting diodes, green light emitting diodes, and blue light emitting diodes are mutually arrayed so that they can be independently driven by the light emitting driver 146 controlled by the main control unit 196 .

The illuminance sensor 151 detects the illuminance in the inside space 112 of the growth house 110 and provides it to the main control unit 196.

The carbon dioxide (CO ₂ ) sensor 153 detects the concentration of carbon dioxide in the inner space 112 of the growth house 110 and provides it to the main control unit 196.

The temperature sensor 155 detects the temperature in the inner space 112 of the growth house 110 and provides it to the main control unit 196.

The humidity sensor 157 detects the humidity in the internal space 112 of the growth house 110 and provides the humidity to the main control unit 196.

The air supply pipe 161 is piped so as to supply air in the building 200 used as a residence space to the growth house 110. Here, the building 200 used as a residence space refers to a kindergarten, a school, a building, and the like.

A carbon dioxide supply tank (not shown) capable of supplying carbon dioxide through the air supply pipe 161 is connected to the air supply pipe 161 through a solenoid valve (not shown) opened and closed by the main control unit 196, As shown in FIG.

The air blowing unit 170 is installed on the duct of the air supply pipe 161 to blow the air in the building 200 to the growth house 110 under the control of the main control unit 170.

The air blowing unit 170 is connected to the air circulation pipe 163 and the air supply pipe 161 of the building so that air in the growth housing 110 can be inflowed and purified again to supply the air filtered into the growth housing 110 .

The air blowing unit 170 includes a prefilter 172 for filtering the air in the air blowing housing 171, a medium filter, a blower 176, and an ultraviolet lamp 177. The blower 176 is driven by a blower driving part 178 controlled by the main control part 196.

The photovoltaic power generation unit 180 includes a solar cell module 182 installed on a roof which is an upper surface 114 of the growth house 110 and a photovoltaic module 182 for charging the power generated by the photovoltaic module 182, And a charging unit 184 for supplying the driving power of the power driving element including the driving power supply 140.

Reference numeral 224 denotes a spray tube capable of supplying the chemical liquid or water to the nozzle 222. Reference numeral 226 denotes a pump which pumps and supplies the liquid to be sprayed to the spray tube and is controlled and driven by the main controller 196.

The control unit 190 includes an input unit 191, a display unit 192, and a storage unit 193.

The input unit 191 is capable of inputting or setting a supported function including input of setting information related to composition of a growing environment.

The display unit 192 is controlled by the main control unit 196 to display the display information.

The storage unit 193 stores growth environment information on the plant to be grown.

Here, the growth environment composition information refers to growth condition information for each growth stage corresponding to the growth period, such as application wavelength of light, irradiation dose, and light irradiation period information for each growth period of the plant to be grown.

The main control unit 196 uses the growth environment composition information stored in the storage unit 193 and the information received from the ambient light sensor 151, the carbon dioxide sensor 153, the temperature sensor 155 and the humidity sensor 157, The air blowing drive section 178, and the pump 226. [0064]

The main control unit 196 controls the light emitting unit 140 to control the on / off operation of the light emitting unit 144, the light amount, the light irradiation color, etc. according to the growth environment composition information and the illuminance of the light entering through the skylight window 118 do.

In a case where growth environment composition information is recorded so that the growth environment composition information of the plant to be grown currently irradiates red light for one week, the main controller 196 controls the red color of the filter unit 130 through the display unit 192, The filter 141 is guided to be disposed in the light transmitting hole 118a of the skylight 118 and the red color filter 141 is disposed in the light transmitting hole 118a And controls the motor so that the illuminance detected by the illuminance sensor 151 with respect to the light irradiated into the inner space 112 through the skylight 118 in a state where the light emitting unit 140 is off is lower than the set illuminance The light emitting unit 140 is controlled so that the red light emitting diode is emitted in accordance with the set illumination level.

The plant plant 100 can filter the sunlight that is naturally mined through the skylight 118 by filtering the light of a wavelength band required for plant growth and can use the air of the residence 200 as a carbon dioxide supply source, The power generated by the battery module 182 can be used as the driving power of the power element including the light emitting unit 140. [

110: Growth house 130: Filter unit
140: light emitting portion 151: illuminance sensor
153: carbon dioxide sensor 155: temperature sensor
157: Humidity sensor 161: Air supply pipe
170: blowing unit 170: solar power generating unit
190: control unit

Claims (5)

A growth house having an enclosed inner space for growing plants to be planted therein;
A skylight formed on the upper surface of the growth house to allow sunlight to enter the interior space;
And a filter unit for shielding or transmitting light of the selected wavelength band through the skylight flowing through the skylight. The method of claim 1, wherein the filter unit
A rotating plate which is opposed to the skylight and rotatably installed in the growing house through a rotating shaft;
And a color filter disposed on the rotating plate so as to shield light or selectively transmit different color lights on the divided areas opposed to the light window when rotating along the rotation axis. [3] The apparatus according to claim 2, wherein the rotating plate is divided into four filtering regions corresponding to a light transmitting region of the light window along a circumferential direction about a rotation axis,
The color filter is formed by a red color filter transmitting red light through the four filtering regions, a green color filter transmitting green light, a blue color filter transmitting blue light, and a light blocking filter blocking light transmission Plant factories that feature. [4] The apparatus of claim 3, further comprising: a light emitting unit in which a light emitting diode illumination lamp is arrayed so that light can be irradiated to plants to be grown in an inner space of the growth house;
An illuminance sensor for detecting illuminance in the growing house;
A storage unit for storing growth environment information on a plant to be grown;
And a main control unit for controlling the light emitting unit to control the on / off operation and the light amount of the light emitting unit based on the information output from the illuminance sensor according to the growth environment information stored in the storage unit. The method according to claim 4, further comprising: an air supply pipe piped so as to supply air in a building used as a residence space to the growing house;
A blowing unit installed on a duct of the air supply pipe and controlling the air in the building to be controlled by the main control unit to blow into the growing house;
And a solar power generator for supplying power generated by the solar cell module installed on the roof of the growth house to the driving power of the light emitting unit.

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