KR102024529B1 - Water-Culturing Apparatus - Google Patents

Abstract

The hydroponic cultivation device includes a housing, a planting stand, a spray nozzle, a cultivation water supply unit, a catchment unit for collecting and storing the cultivation water falling into the lower part of the housing, a catchment temperature sensor for measuring the catchment temperature in the catchment unit, And a control unit for selectively operating the collecting heater according to the collecting temperature received from the collecting heater and the collecting temperature sensor to adjust the collecting temperature in the collecting unit.

Description

Hydroponic Cultivation Apparatus {Water-Culturing Apparatus}

The present invention relates to a hydroponic cultivation apparatus, and more particularly, to a hydroponic cultivation apparatus that can automatically adjust the crop growth conditions in the housing.

When crops are cultivated in soil, crops may die due to soil contamination, bacteria, etc. In order to prevent this, hydroponic cultivation methods using nutrient solutions that dissolve various necessary nutrients without using soil are widely used. Hydroponic cultivation is used to support the cultivation by immersing the roots of the crop in nutrient solution, spraying the nutrient solution through the sprinkler.

Patent registration No. 1424058 discloses an industrial spray hydroponic cultivation system, including a tray, a frame supporting a tray, a porous plate supporting ginseng, a nutrient solution storage tank, a nutrient solution pump, a light source with a height control, and the like. It is configured to grow large quantities.

Korean Patent Laid-Open No. 2015-0139269 discloses a sprout grower. In view of the structure, a casing having an inner space, a partition wall having a penetrating portion provided at the top thereof, and partitioning the inner space of the casing into a water storage part and a sprout growing part, water storage It is provided in the unit and consists of an ultrasonic vibration unit for atomizing the stored water by ultrasonic vibration, a rotating fan for moving the atomized water to the sprout cultivation unit, and a cover unit for opening and closing the inner space in the upper casing.

However, in the prior art, the temperature inside the cultivator is controlled by controlling the temperature of the nutrient solution supplied from the outside, or separately installed by a hot air fan. With such a structure, it may be difficult to keep the internal temperature of the cultivator constant. have.

The present invention is to solve this problem of the prior art,

First, the internal temperature deviation of the planter can be minimized,

Secondly, to improve crop growth conditions by removing gases, especially carbon dioxide, generated inside the planter;

Third, when harvesting cultivated crops to minimize crop damage,

Fourth, it is to provide a hydroponic cultivation apparatus that can automatically adjust the internal conditions of the cultivator optimally over the crop cultivation period.

Hydroponic cultivation apparatus of the present invention for achieving this object can be configured to include a housing, planting table, spray nozzle, planting water feeder, water collecting unit, water collection temperature sensor, water collection heating unit, control unit and the like.

The housing forms an inner space and may have a door on one side.

The growing table may be provided in the housing to support the crop.

The spray nozzle may be provided in the housing to spray the cultivation water in the growing zone direction.

The plant water feeder may supply a temperature controlled plant water to the spray nozzle.

The catchment unit may collect and store cultivated water falling downward in the housing.

The water collecting temperature sensor may measure the water collecting temperature in the water collecting unit.

The catchment heating unit may selectively heat the catchment in the catchment unit.

The controller may selectively operate the catchment heating unit according to the catchment temperature received from the catchment temperature sensor to maintain a constant catchment temperature in the catchment unit.

Hydroponic cultivation apparatus of the present invention may be provided with a water collection level control. The catchment water level adjusting unit may adjust the catchment water level in the catchment unit to a predetermined height.

Hydroponic cultivation apparatus of the present invention may have a carbon dioxide discharge. The carbon dioxide discharge unit may be disposed at the lower portion of the housing to discharge carbon dioxide collected at the lower portion of the housing to the outside.

Hydroponic cultivation apparatus of the present invention may be provided with a carbon dioxide sensor to measure the carbon dioxide concentration in the lower housing. The controller may selectively operate the carbon dioxide discharger according to the carbon dioxide concentration received from the carbon dioxide sensor.

In the hydroponic cultivation apparatus of the present invention, the cultivation water supply unit may include a cultivation container, a cultivation temperature sensor, a cultivation water heating unit, and the like.

The plant water container stores planting water so that planting water can be supplied to the spray nozzle through a pipe. The plant water temperature sensor may measure the plant water temperature in the plant water container. The cultivation water heating unit may heat the cultivation water and supply it to the cultivation water container. The controller may selectively operate the plant water heating unit according to the plant water temperature received from the plant water temperature sensor.

In the hydroponic cultivation apparatus of the present invention, the cultivation zone may be configured with a vertical support, a horizontal cultivation network and the like. The vertical support may be provided vertically in the housing and the edge may be spaced apart from the housing inner wall. The horizontal cultivation network may be shaped to be horizontally coupled to the vertical support and cut in one direction.

Hydroponic cultivation apparatus of the present invention may include a hot air fan for supplying warm air into the housing, a fan for discharging the air in the housing to the outside, an air temperature sensor for measuring the air temperature in the housing, air humidity sensor for measuring the humidity in the housing. . The controller may selectively operate at least one of a hot air fan and a fan according to an air temperature and an air humidity received from an air temperature sensor and an air humidity sensor.

Hydroponic cultivation apparatus of the present invention may include a hot air fan for supplying warm air into the housing, a fan for discharging the air in the housing to the outside. The controller may operate at least one of a warm air fan, a fan, a cultivation water supplier, and a carbon dioxide discharger according to an operation time setting value.

According to the hydroponic cultivation apparatus of the present invention having such a configuration, it is possible to minimize the temperature change of the internal air of the housing by maintaining a constant temperature of the collected water at a certain temperature in the inner bottom of the housing, for maintaining the temperature of the air inside the housing The cost can be minimized.

According to the hydroponic cultivation apparatus of the present invention, by appropriately discharging the gas by-products, especially carbon dioxide generated inside the housing, it is possible to optimize the crop growth conditions inside the housing.

According to the hydroponic cultivation apparatus of the present invention, by configuring the horizontal cultivation network for supporting the crops with a straight cut network, it is easy to recover the cultivated crops, it is possible to minimize crop damage in the harvest of the cultivated crops.

In addition, according to the hydroponic cultivation apparatus of the present invention, the growth conditions inside the housing can be automatically and optimally adjusted over the crop cultivation period, and furthermore, the growth conditions inside the housing can be checked and modified in real time from the outside, so that management is effective. Management costs can also be minimized.

1 shows a hydroponic cultivation apparatus according to a first embodiment of the present invention.
Figure 2 shows a hydroponic cultivation apparatus according to a second embodiment of the present invention.
Figure 3 shows a hydroponic cultivation apparatus according to a third embodiment of the present invention.
4 shows the structure of a horizontal cultivation network according to the present invention.
5 illustrates a control method of a hydroponic cultivation apparatus according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 shows a hydroponic cultivation apparatus according to a first embodiment of the present invention.

As shown in FIG. 1, the hydroponic cultivation apparatus includes a housing 110, a cultivation table 120, a spray nozzle 130, a cultivation water supply 140, a water collecting unit 150, a drain hole 160, and a water collecting heating unit. 170, the collection temperature sensor 180, the collection water level control unit 190, the exhaust fan 200, the warm air fan 210, the air temperature sensor 220, the air humidity sensor 230, the control unit 240, and the like. Can be configured.

The housing 110 may be configured in the form of a hexahedron having a space therein. The interior space can vary in size depending on the size of the hydroponic cultivation.

The housing 110 may be made of an opaque material such as opaque plastic, wood, iron, or stainless steel, or may be made of a transparent material such as transparent plastic, tempered glass, or vinyl mold, depending on the characteristics of the crop being grown. When the housing 110 is an opaque material, a window may be configured on the upper surface or the side, and the window may be provided with a blind capable of selectively opening and closing.

The housing 110 may include a door 112 at one side of which the entrance and exit is possible. The door 112 may be configured as a hinged door that is hinged to the left side and the right side, respectively, and a sliding door rotated to open and close, or a sliding door to slide open and close to the guide rail installed in the transverse direction. The door 112 may have any form as long as it can be opened and closed by a person.

The housing 110 may include a step 114 at a lower side of the side at which the door 112 is installed.

The housing 110 may be provided with a plurality of wheels 116 at the bottom for convenience of movement.

The growing stand 120 may be disposed in the housing 110 to support the crop. The cultivation stand 120 may be configured as a vertical support 122, a horizontal cultivation network 124, and the like.

The vertical support 122 may be provided vertically in the housing to support the horizontal redistribution network 124. The vertical support 122 may be disposed at an edge, for example, left and right, spaced apart from the housing inner wall by a predetermined distance. Through this, convection is smoothly performed in the housing 110, and as a result, it is easy to maintain the internal space of the housing 110 at a uniform temperature. The vertical support 122 may be provided with a plurality of engaging jaw to be spaced apart vertically.

The horizontal cultivation network 124 may be supported horizontally across the latching jaw of the vertical support (122). The horizontal cultivation network 124 may support seeds or seedlings, and may support crops grown.

The spray nozzle 130 sprays cultivation water toward the growing table 120, and may be fixed to an upper surface of the housing 110, a vertical support 122, or the like. The injection nozzle 130 may be provided with a plurality of spaced intervals.

The cultivation water supplier 140 supplies cultivation water to the spray nozzle 130 via a pipe 132, and may be configured as a cultivation water container 142, a cultivation water pump 144, or the like.

The cultivation container 142 may store cultivation water. The cultivated water may be water (water) or nutrient solution, and the nutrient solution may include fertilizer components such as minerals in the water.

The cultivation container 142 may be located outside the housing 110. The cultivation container 142 supplies a cultivated water whose temperature is controlled to a cultivation water pump 144 via a pipe, and may have a heater and a cultivation temperature sensor therein for this purpose. The heater may adjust the temperature of the cultivation water in the cultivation container 142 according to the growth conditions of the crop. The cultivation temperature sensor may measure the cultivation temperature in the cultivation container 142 and transmit the temperature to the control unit 240.

The cultivation water pump 144 may pump the cultivation water of the cultivation water container 142 to the injection nozzle 130 via the pipe 132.

The collecting unit 150 collects cultivated water falling to the bottom of the housing 110 through the growing zone 120 after being sprayed from the spray nozzle 130 and stores the collected water at a predetermined height, and may utilize the bottom of the housing 110 as it is. have. When the step 114 is formed at the front of the door 112 in the housing 110 in which both sides and the rear are closed, the entire bottom surface of the housing 110 may be configured as a container. In this case, the bottom of the housing 110 may be a water collector of a certain height while growing cultivation water.

One side of the collecting unit 150, that is, one side of the bottom of the housing 110 may be provided with a drain 160. The drain 160 may be normally closed and open when the catchment is discharged to the outside. It may be desirable to discard the catchment without recovery. The housing 110 may be more easily drained if the bottom is partially inclined so that the catchment flows in the direction of the drain 160, or if a part of the bottom surface where the drain 160 is located is recessed.

The catchment heating unit 170 may adjust the temperature of the catchment by heating the catches collected at the bottom of the housing 110. The catchment heating unit 170 may include a heater.

The water collecting temperature sensor 180 may measure the water collecting temperature in the water collecting unit 150 and transmit it to the control unit 240.

The catchment water level adjusting unit 190 adjusts the catchment water level in the catchment unit 150 to a predetermined height, and may be configured in the form of a tube protruding upward from the bottom of the catchment unit 150, that is, the bottom surface of the housing 110. Can be. Opening the inner end of the tube allows the catchment to be automatically discharged through the opening when the catchment is above a predetermined height.

The ventilator 200 discharges air in the housing 110 to the outside, and may be configured as a fan, a motor, or the like. The ventilator 200 may adjust the temperature and humidity in the housing 110 while selectively operating according to the temperature and humidity in the housing 110. The ventilator 200 may be installed on the upper side wall or the upper side wall of the housing 110.

The ventilator 200 may simply be configured as a hole.

The ventilator 200 or the hole produces a chimney effect in the process of discharging the air inside the housing 110 to the outside, thereby smoothing convection inside the housing 110, thereby evenly adjusting the temperature and humidity inside the housing 110. can do.

The fan 200 or the hole may be provided with an air opening and closing part for selectively discharging the internal air. The air opening and closing portion may be a plate that one side is hinged to the wall of the housing 110 to selectively open and close the ventilator 200 or the hole.

The warmer 210 supplies warm air into the housing 110 and may be provided below the side wall of the housing 110. The warmer 210 may be configured of a heater, a fan, a motor, and the like. The hot air fan 210 may be configured to penetrate through the wall of the housing 110, and may include a hot air inlet outside the housing 110 and a hot air discharge port to discharge hot air inside the housing 110. The external air inlet may include an air opening and closing portion for selectively passing external air, and the air opening and closing portion may have a plate shape in which one side is hinged to the wall of the housing 110 to rotate. The warm air discharge port may consist of one hole or a plurality of holes. The warm air discharge port may have an extension tube extending along the inner wall of the housing 110, through which the warm air discharge can be evenly supplied to the entire area inside the housing 110.

The air temperature sensor 220 may measure the air temperature in the housing 110 and transmit the measured air temperature to the controller 240.

The air humidity sensor 230 may measure air humidity in the housing 110 and transmit the measured air humidity to the controller 240.

The controller 240 may selectively operate the catchment heating unit 170 according to the catchment temperature received from the catchment temperature sensor 180 to maintain the temperature of the catchment in the catchment unit 150 in a predetermined range.

The controller 240 selectively operates the warm air fan 210 and the exhaust fan 200 based on the air temperature and the air humidity received from the air temperature sensor 220 and the air humidity sensor 230, thereby providing air in the housing 110. Temperature and air humidity can be kept within a certain range.

The control unit 240 may periodically supply the cultivation water from the cultivation container 142 to the spray nozzle 130 by periodically operating the cultivation water pump 144 according to the operation time setting value. The controller 240 may set the operation time setting value for the cultivation water supply on a daily basis until the growth of the crop is completed. The controller 240 may operate the cultivation water pump 144 according to the air temperature and the air humidity in the housing 110.

When the air temperature sensor 220 and the air humidity sensor 230 are not provided, the control unit 240 may also operate the fan 200 and the warm air fan 210 according to the daily operating time set value.

Figure 2 shows a hydroponic cultivation apparatus according to a second embodiment of the present invention.

As shown in FIG. 2, the hydroponic cultivation apparatus may further include a carbon dioxide discharger 250.

The carbon dioxide discharge unit 250 is to improve the growth conditions inside the housing 110 by discharging carbon dioxide generated from crop cultivation to the outside, it may be configured in the form of communicating the inside and outside at the bottom of the housing (110).

The carbon dioxide discharge unit 250 may be configured as a fan, a motor, an air opener and the like.

The inner part of the housing 110 of the carbon dioxide discharge part 250 may be provided with a discharge part cover 252 in the form of closing the top and the side and opening the bottom. The discharge cover 252 may block the cultivation water falling from the upper portion to penetrate the carbon dioxide discharge 250.

The carbon dioxide sensor 254 may measure the carbon dioxide concentration in the housing 110 and transmit the carbon dioxide concentration to the controller 240. Since the carbon dioxide sinks downward, the carbon dioxide sensor 254 may be installed at the lower end of the inside of the housing 110.

The controller 240 may operate the carbon dioxide discharger 250 when the carbon dioxide concentration received from the carbon dioxide sensor 254 exceeds a reference value. When it is not necessary to operate the carbon dioxide discharge unit 250, the carbon dioxide discharge unit 250 may be closed by using the air opening and closing unit.

Figure 3 shows a hydroponic cultivation apparatus according to a third embodiment of the present invention.

As shown in FIG. 3, the hydroponic cultivation apparatus may be configured by separating the cultivation water heating unit 260 from the cultivation water container 142. In this case, the cultivation water supply 140 may include a cultivation water container 142, a cultivation water temperature sensor (not shown), a cultivation water pump 144, a cultivation water heating unit 260, and the like.

The cultivation container 142 stores the cultivation water, and the cultivation water temperature sensor may be coupled to the cultivation water container 142 to measure the cultivation water temperature and transmit it to the control unit 240.

The cultivation water heating unit 260 is connected to the water supply pipe and the drainage side is connected to the cultivation container 142, and first heats the water (water) supplied to the cultivation container 142, and then the cultivation container ( 142). Through this, it is easier to keep the cultivation water temperature in the cultivation container 142 uniform, and as a result, the cultivation water having a small temperature variation can be supplied to the crop.

The controller 240 may selectively operate the plant water heating unit 260 according to the plant water temperature received from the plant water temperature sensor.

4 shows the structure of a horizontal cultivation network according to the present invention.

As shown in FIG. 4, the horizontal cultivation network 124 may be configured to have a shape that is cut only in one direction. The horizontal cultivation network 124 of FIG. 5 can minimize damage to crops, particularly damage to root portions when harvesting crops, than when using a grid-like cultivation network that is generally used.

The horizontal cultivation network 124 may add a support in the width direction (vertically) to the central point in the longitudinal direction when the length in the longitudinal direction is long and the rigidity is weakened.

5 illustrates a control method of a hydroponic cultivation apparatus according to the present invention.

As illustrated in FIG. 5, the control unit 240 may set a large time and an operation time for a crop growth condition on a daily basis, and automatically control the components according to the operation time setting value. For example, when cultivating peanuts, it is usually grown for about 7 days. In this case, the daily operating time setting value from day 1 to day 7 can be determined and stored in memory. The operating time setting values include: cultivation standby time without cultivation water, cultivation water supply time with cultivation water, hot air fan standby time without a heating fan, warm air fan operating time with a heating fan, and carbon dioxide not emitting carbon dioxide. The discharge unit waiting time, the operation time of the carbon dioxide discharge unit for discharging carbon dioxide, the internal temperature, the internal humidity, the cultivation water temperature, the catchment temperature and the like.

The controller 240 may measure growth conditions inside the housing 110 in real time and control the operation of the component in real time according to the measured value. That is, the internal temperature, internal humidity, cultivation water temperature, catchment temperature, carbon dioxide concentration, etc. are measured in real time, and according to the measured value, the warm air fan 210, the fan 200, the cultivation water heater 260, the catchment heater 170, the carbon dioxide discharge unit 250 may be selectively operated.

The controller 240 sets different growth periods and daily growth conditions according to crop types such as peanut and ginseng, and the controller 240 sets operating time set values according to each crop or through real-time measurement / control. The components of the hydroponic cultivation device can be controlled.

The control unit 240 may transmit the current growth conditions and the operating state of the component to the user smartphone in real time through the wired or wireless. The control unit 240 may receive a change command of the setting value from the smartphone. In this case, the control unit 240 may selectively operate the corresponding component to change the setting value in accordance with the change command received.

The present invention has been described above based on various embodiments, but for the purpose of illustrating the present invention. Those skilled in the art will be able to modify or modify the embodiments based on the above examples. However, since the scope of the present application is defined by the claims below, such modifications and variations can be interpreted as being included in the claims below.

110 housing 120 planting table
122: vertical support 124: horizontal cultivation network
130: injection nozzle 140: planting water supply
142: planting container 144: planting water pump
150: water collecting unit 160: drain
170: catchment heating portion 180: catchment temperature sensor
190: collecting water level control unit 200: ventilator
210: hot air heater 220: air temperature sensor
230: air humidity sensor 240: control unit
250: carbon dioxide outlet 252: outlet cover
254: carbon dioxide sensor 260: cultivation water heating unit

Claims (8)

In hydroponic cultivation apparatus,
A housing having a door, and having a drain hole formed at a bottom thereof, the bottom surface of which the drain hole is located is recessed;
A growing table having a vertical support provided vertically in the housing, the vertical support being spaced apart from an inner wall of the housing, and a horizontal growing network having a plate shape horizontally coupled to the vertical support and cut in one direction;
An injection nozzle provided in the housing for injecting cultivation water toward the growing zone;
A cultivation water supplier for supplying cultivated water having a temperature controlled to the spray nozzle, and generating and supplying cultivated water with fresh water having a temperature controlled from the outside without reusing the cultivated water sprayed through the spray nozzle;
A catching unit for storing cultivated water falling downward in the housing;
A catchment water level adjusting unit for adjusting the catchment water level in the catchment unit to a predetermined height;
A catchment heating unit for heating the catchment in the catchment unit;
A warm air fan to supply warm air generated outside of the housing into the housing, but installed in a lower portion of the housing;
A fan for discharging air in the housing to an outside but installed on an upper side or an upper wall of the housing to generate convection in the housing by causing a chimney effect in the process of discharging the internal air to the outside;
A carbon dioxide discharge unit which discharges carbon dioxide in the housing to the outside but is installed at a lower end of the housing;
An indoor temperature sensor measuring a temperature in the housing;
An indoor humidity sensor measuring humidity in the housing;
A cultivation water temperature sensor measuring a temperature of the cultivation water;
A catchment temperature sensor for measuring a catchment temperature in the catchment unit;
A carbon dioxide sensor which measures a carbon dioxide concentration inside the housing but is installed below the housing;
The total growth period of the crop is divided into unit periods, and the growth conditions of the unit periods are stored in a memory, and the indoor temperature, indoor humidity, Receiving a cultivation water temperature, catchment temperature, carbon dioxide concentration, and operates the cultivation water supply, catchment heating unit, hot air fan, ventilator, carbon dioxide outlet according to the room temperature, room humidity, cultivation water temperature, catchment temperature, carbon dioxide concentration And hydroponic cultivation apparatus including a control unit to automatically control over the entire growth period while adjusting the room temperature, room humidity, cultivation temperature, catchment temperature, carbon dioxide concentration to meet the growth conditions for each unit period.
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