KR20200089773A - Greenhouse ventilation system - Google Patents

Abstract

The present invention relates to an air-conditioning system for a greenhouse, and more specifically, to an air-conditioning system for a greenhouse, capable of effectively performing a temperature control operation and a humidity control operation while minimizing the introduction of external air, fertilizing the soil without wasting CO_2, effectively sterilizing pathogens contained in the air, and minimizing the waste of energy during cooling, heating, and ventilation, thereby reducing energy costs. According to the present invention, the air-conditioning system for a greenhouse comprises: an air-conditioning external container body having an air discharge unit formed on a lower portion; an air-conditioning internal container body installed in the air-conditioning external container body and having an air inflow unit formed on an upper portion; an internal air inflow unit communicating with the inside of the greenhouse, connected with the air-conditioning internal container body, and having a first opening/closing means; and a heat exchange means disposed in the air-conditioning internal container body.

Description

Greenhouse air conditioning system{GREENHOUSE VENTILATION SYSTEM}

The present invention relates to an air conditioning system for a greenhouse, and more particularly, while minimizing the inflow of outside air, it is possible to effectively perform a temperature control action and a humidity control action, effectively fertilize CO ₂ without waste, and in the air. The present invention relates to an air conditioning system for a greenhouse that can effectively perform the sterilization effect of included pathogens and minimize energy waste during heating and cooling and ventilation, thereby reducing energy costs.

In general, facility horticulture is used to plant crops on plantations constructed inside greenhouses such as glass greenhouses or plastic greenhouses, and to perform cultivation processes while managing the environment to maintain conditions such as temperature, humidity, and CO ₂ ideal for planting. do.

Greenhouse temperature is, the various additional facilities for the control, such as humidity, CO ₂ installed therein. For example, as a heating and cooling device for a greenhouse, a'glass greenhouse heating/cooling system' disclosed in Korean Registered Patent Registration No. 10-1707045, a'geothermal heating and cooling system for glass greenhouse' disclosed in Korean Registered Patent Registration No. 10-1478101, Various cooling technologies have been proposed, such as the'Vinyl House Heating and Cooling System', disclosed in Korean Patent Registration No. 10-1392430.

Most of the above-mentioned conventional greenhouse heating and cooling systems have limitations that remain at the level of controlling only the internal temperature, but recently, technology as disclosed in Korean Patent Registration No. 10-1578187 has been proposed, as well as temperature control and humidity control, Air conditioning technology that performs functions such as air purification has been proposed.

However, since the above-described conventional air conditioning technology is complex and requires excessive equipment cost, air is generally adopted by adopting the aforementioned air conditioning structure for greenhouses, and instead of installing them, instead of opening the side windows or ceiling windows formed on the sides of the greenhouse. It is a reality to practice harmony.

However, this conventional air conditioning method has the disadvantage of causing a decrease in fertilization effect as well as an increase in management cost since CO ₂ fertilized in the greenhouse is discharged and wasted outside when the side length and ceiling windows are opened, and humidity can be accurately controlled. There are no limitations.

In addition, the above-described conventional air conditioning method has limitations in that it is easily infected by various pests due to pathogens contained in the inflowing air, leading to an increase in disaster prevention costs and a decrease in productivity and a decrease in quality due to a decrease in crop growth.

In addition, the above-described conventional air conditioning system rapidly changes the environment inside the greenhouse according to the change of the cold and hot external environment due to the rapid opening of the measuring and ceiling windows, which adversely affects the growth of crops, and especially increases the heating and cooling costs due to energy loss. There is a disadvantage that increases the unit cost of cultivating crops.

Korean Registered Patent Registration No. 10-1578187 "Air conditioning structure for greenhouse" Korean Registered Patent Registration No. 10-0785930 "Automatic Greenhouse System for Indoor Air Purification" Korean Registered Patent Registration No. 10-0615044 "Heat-heating device for greenhouses and greenhouses"

The present invention has been proposed in view of the above, it is possible to effectively perform the temperature control and humidity control function while minimizing the inflow of outside air, and the air conditioning system for greenhouses to effectively fertilize and maintain CO ₂ without waste. The purpose is to provide.

Another object of the present invention is to provide an air conditioning system for a greenhouse that can effectively perform sterilization of pathogens contained in the air and minimize energy waste during heating and cooling and ventilation, thereby reducing energy costs.

In order to achieve the above object, an air conditioning system for a greenhouse according to the present invention includes an air conditioning external body in which an air discharge unit is formed at a lower portion of an air conditioning system for a greenhouse; An air conditioning inner cylinder installed inside the air conditioning outer cylinder and having an air flow portion formed thereon; An internal air flow member which is connected to the air conditioning inner cylinder so as to communicate with the interior of the greenhouse and is provided with first opening and closing means; And it characterized in that it comprises a heat exchange means disposed inside the air conditioning inner cylinder.

On the other hand, in order to achieve the above object, the air conditioning system for a greenhouse according to the present invention, the air conditioning system for a greenhouse, the air conditioning outer cylinder formed with an air discharge portion at the bottom; An air conditioning inner cylinder installed inside the air conditioning outer cylinder and having an air flow portion formed thereon; An internal air flow member which is connected to the air conditioning inner cylinder so as to communicate with the interior of the greenhouse and is provided with first opening and closing means; A heat exchange means disposed inside the air conditioning inner cylinder; And it is characterized in that it comprises an external air flow member which is connected to the air conditioning inner cylinder and is provided with a second opening and closing means in communication with the outside of the greenhouse.

In addition, the air conditioning system for a greenhouse according to the present invention includes a heat exchange fluid entering line connected to an upper portion of the heat exchange means; A heat exchange fluid exhaust line connected to a lower portion of the heat exchange means and arranged to communicate with the outside of the greenhouse; And it may be configured to include a heat exchange fluid supply device connected to the heat exchange fluid inlet line.

Preferably, the air conditioning system for a greenhouse according to the present invention may be configured to include an auxiliary greenhouse air blowing fan connected to suck the internal air of the greenhouse and supply it to the interior of the heat exchange means.

The air conditioning system for a greenhouse according to the present invention may further include a three-way control valve installed in the heat exchange fluid exhaust line.

The heat exchange fluid supply device may be configured to include an external air blowing fan that sucks and blows external air or a water pump that sucks and supplies water.

The heat exchange means may include a coil type heat exchange pipe, and may include a swirl flow generation means installed under the air conditioning inner cylinder so that swirl flow is formed in the flowing air.

Preferably, the air conditioning system for a greenhouse according to the present invention may include a sterilization light generating means installed to perform sterilization action on the air passing through the air conditioning outer cylinder and the air conditioning inner cylinder.

Here, the sterilization light generating means is composed of a lamp arrangement tube in which a plurality of UV lamps are arranged and installed in an internal flow path between the air conditioning outer tube and the air conditioning inner tube, and the air conditioning inner tube is made of a light transmissive material. Can be formed.

The air conditioning inner cylinder is composed of a cylinder in which the air flow portion is perforated in the form of a flow hole on the top, and a male screw portion is formed in the outer circumferential surface. The male screw portion may be formed of a tube formed with a fastening boss having a female screw portion.

Preferably, the air conditioning system for a greenhouse according to the present invention may be provided with a condensate removal device including a water collecting tank formed to collect condensate under the air conditioning inner cylinder.

In order to achieve the above object, the air conditioning system for a greenhouse according to the present invention is further characterized in that it further comprises a moisture supply device for supplying moisture to the air flowing into the air conditioning outer body or the air conditioning inner cylinder. .

The water supply device includes: a spray nozzle that ejects moisture toward an inner space of the air conditioning inner cylinder; A water supply pipe connected to the spray nozzle; And a water supply source that supplies water to the water supply pipe.

Preferably, to achieve the above object, the air conditioning system for a greenhouse according to the present invention may be configured to include a main greenhouse air blowing fan that sucks air inside the greenhouse and blows air toward the air conditioning inner body.

According to the air conditioning system for a greenhouse according to the present invention, when the inside air of the greenhouse is hot and humid, the inside air of the greenhouse is cooled using ground water or cold outside air to control the temperature and humidity, as well as to be in the air by light. Because it can sterilize pathogens, it can supply clean and low-temperature dry air into the greenhouse, and it can effectively fertilize and maintain CO ₂ without waste by minimizing the inflow of outside air, thereby improving crop productivity and quality. have.

In addition, according to the air conditioning system for a greenhouse according to the present invention, when inevitably the outside air must be introduced during the winter for ventilation or the like, cold outside air may be warmed and introduced into the greenhouse, so that a sudden change in greenhouse temperature affects crops. It is possible to prevent, and it is possible to appropriately adjust the inflow amount of the outside air through the control of the amount of air blow, there is an advantage that can prevent the heating cost rise due to supercooling.

In addition, according to the air conditioning system for a greenhouse according to the present invention, since the heated internal air in the upper portion of the greenhouse can be flowed and circulated downward, it can exert the heating effect necessary for the growth of the crop before performing full-scale heating, thereby reducing energy costs. It has the advantage of saving.

1 is a schematic diagram for explaining the technical idea of an air conditioning system for a greenhouse according to the present invention,
Figure 2 is a schematic diagram showing an air conditioning system for a greenhouse according to the first embodiment of the present invention,
Figure 3a is an enlarged view of part A of the greenhouse air conditioning system according to the first embodiment of the present invention,
Figure 3b is an enlarged view of part B of the air conditioning system for a greenhouse according to the first embodiment of the present invention,
4 to 6 is a schematic diagram for explaining the operating state of the air conditioning system for a greenhouse according to the first embodiment of the present invention, Figure 4 shows the use of the cooling and dehumidifying mode of the summer, Figure 5 is a winter cooling And a dehumidifying mode, and FIG. 6 shows a use case of a greenhouse internal air self-circulating mode.
7 is a schematic view for explaining a modification of the air conditioning system for a greenhouse according to the first embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to FIGS. 1 to 7 of the accompanying drawings, and the same reference numerals are assigned to the same components in FIGS. 1 to 7. On the other hand, the drawings and detailed descriptions of the structures and actions and effects thereon, which are easily understood by those skilled in the art from the general technology in each drawing, are briefly omitted or omitted, and centered on parts related to the present invention.

1 is a schematic view for explaining the technical idea of the air conditioning system for a greenhouse according to the present invention, and a part indicated by a bold broken line is a display line for dividing the inside (G) and the outside (O) of the greenhouse (G).

Referring to FIG. 1, the air conditioning system for a greenhouse according to the present invention can perform temperature control and humidity control while minimizing the inflow of outside air from the outside (O) into the greenhouse (g) and waste CO ₂ . It is intended to effectively fertilize without air conditioning outer cylinder 10, air conditioning inner cylinder 20, internal air flow member 30, heat exchange means 40 and the main greenhouse air blowing fan 50 is provided have.

As shown in Figure 1, when the air conditioning system for a greenhouse is arranged inside the greenhouse, when the inside air of the greenhouse is hot and humid as in the summer season, when the main greenhouse air blowing fan 50 is operated, the internal air flow member 30 ) Through which the internal air flows into the inside of the air conditioning inner cylinder 2 and then moves upward.

At this time, the high temperature and humid air is cooled by the heat exchange action of the heat exchange means 40, and after the temperature is lowered, it flows through the air movement path p1 between the air conditioning outer cylinder 10 and the air conditioning inner cylinder 20. After being discharged to the inside of the greenhouse through the air outlet portion 14 on the lower side it can be performed to lower the temperature inside the greenhouse.

In addition, condensed water is generated by condensation due to a temperature difference in the heat exchange process with the heat exchange means 40 and is discharged after falling to the lower part. At this time, the moisture contained in the hot and humid air is removed, so the inside of the greenhouse is removed. It can perform the humidity control action of.

2 is a schematic view showing an air conditioning system for a greenhouse according to a first embodiment of the present invention, and FIG. 3A is an enlarged view of a portion A of a greenhouse air conditioning system according to a first embodiment of the present invention, and FIG. It is an enlarged view of a part B of the air conditioning system for a greenhouse according to the first embodiment of the invention.

2 to 3B, the air conditioning system for a greenhouse according to the first embodiment of the present invention includes an air conditioning outer cylinder 10 installed in an interior space of the greenhouse, inside the air conditioning outer cylinder 10 The installed air conditioning inner cylinder 20, the air inlet 32 is provided to communicate with the interior of the greenhouse, and the inner air flow member 30, which is disposed to communicate with the air conditioning inner cylinder 20, the air conditioning inner cylinder 20 ) Is provided with a heat exchange means (40) installed inside, and an external air flow member (60) provided outside the greenhouse and disposed in communication with the air conditioning inner cylinder (20).

The air conditioning outer cylinder 10 is formed in a cylinder shape so that an accommodation space is provided therein, and an air discharge unit 14 is formed at the bottom so that air introduced through the air conditioning inner cylinder 20 is discharged.

Here, the air discharge unit 14 may be provided with a separate blowing nozzle in an air-conditioning outer cylinder, but in this embodiment, it is configured in a manner of drilling a plurality of flow holes along the periphery of the air-conditioning outer cylinder 10.

The air conditioning inner cylinder 20 is formed in a cylindrical shape so that an air movement path is provided therein, and an air flow portion 24 in a flow hole shape is formed in the upper portion to communicate with the receiving space of the external air conditioning body 10. have.

At this time, the air conditioning inner cylinder 20 is formed of a cylinder having a smaller diameter than the air conditioning outer cylinder 10, so that an air movement path p1 is formed between the outer surface and the inner surface of the air conditioning outer cylinder. .

And, the air conditioning inner cylinder 20 is formed with a male screw portion on the upper outer circumferential surface for binding with the air conditioning outer cylinder 10, and the air conditioning outer cylinder 10 is inside the upper portion so that the male screw portion of the air conditioning inner cylinder is fastened. The fastening boss 13 having a female screw portion protrudes.

The internal air flow member 30 is formed in the form of a duct connected to the air conditioning inner cylinder 20 so that the air introduced through the air inlet 32 located inside the greenhouse is moved, to control the flow of air. The first opening/closing means 35 is provided. Here, the first opening and closing means may be formed of a damper or a valve.

The heat exchange means 40 is a component that is disposed inside the air conditioning inner cylinder 20 and performs cooling or heating through heat exchange with air flowing therein, and is composed of a coiled heat exchange pipe 41.

In addition, the heat exchange means (4), the heat exchange fluid inlet line (42) connected to the upper portion of the heat exchange pipe (41), the heat exchange fluid exhaust line (43) connected to the lower part of the heat exchange pipe (41) to be arranged in communication with the outside of the greenhouse ), and a heat exchange fluid supply device 44 having a discharge side connected to the heat exchange fluid inlet line 42.

The heat exchange fluid exhaust line 43 consists of a pipe through which the heat exchange fluid via the heat exchange pipe 41 is exhausted, and a three-way control valve 45 is installed at the bottom to control the flow of the heat exchange fluid.

The heat exchange fluid supply device 44 may be configured to supply various heat exchange fluids used for heat exchange, but in this embodiment, a water pump 44a for supplying cooling water and an external air blowing fan for supplying cold air ( 44b) is installed.

The water pump 44a can properly perform cooling and dehumidification mode by using cold ground water or the like in the summer, and the discharge side of the water pump is intermittent (blocking) the backflow of water when the external air blowing fan 44b is operated. ) Is provided with a third opening and closing means (47).

The external air blowing fan 44b is capable of properly performing a cooling and dehumidifying mode by using cold outdoor air in the winter, and on the discharge side of the external air blowing fan 44b, when the water pump 44a is operated, external air flows backward. A fourth opening/closing means 48 for intermittent (blocking) is provided.

The external air flow member 60 is provided for inflow of outside air when ventilation is required, and is formed in a duct form connected to the air conditioning inner cylinder 20 to communicate with the outside of the greenhouse, and is used to control the flow of air. 2 Opening and closing means 65 is provided.

On the other hand, the air conditioning system for a greenhouse according to the first embodiment of the present invention comprises a main greenhouse air blowing fan 50 that sucks air inside the greenhouse and blows it toward the air conditioning inner cylinder 20.

The main greenhouse air blowing fan 50 may be installed in the air outlet portion 14 of the air conditioning external cylinder 10, but in this embodiment, it is installed in the air inlet portion 32 of the internal air flow member 30.

And, in the greenhouse air conditioning system according to the first embodiment of the present invention, a swirl flow generating means 70 is configured to improve heat exchange characteristics.

The swirl flow generating means 70 can be configured in various ways without special limitation in shape to the structure, if the swirl flow can be formed in the air flowing toward the heat exchange pipe 41 in order to improve the heat exchange characteristics, but the cylindrical body It is constructed by installing a known Swirl diffuser for air-conditioning with a plurality of diffuser blades installed inside.

In addition, the air conditioning system for a greenhouse according to the first embodiment of the present invention comprises a sterilization light generating means 80 installed in an internal flow path of the air conditioning outer cylinder 10 to perform sterilization of flowing air. .

The sterilizing light generating means 80 may be configured in various forms as long as it can effectively sterilize pathogens and the like contained in the flowing air, but in this embodiment, the air conditioning outer cylinder 10 and the air conditioning inner cylinder 20 It is installed in the air movement path (p1) between, and is composed of a lamp arrangement body 71 in which a plurality of UV lamps are arranged. At this time, the UV lamp is composed of a UV light emitting diode.

In addition, the air conditioning outer cylinder 10 is provided with a lamp fixing bracket 83 for binding the lamp array cylinder 81, and the air conditioning inner cylinder 20 is transparent acrylic, transparent poly for more effective sterilization. It is formed of a light-transmitting material such as carbonate.

On the other hand, the air conditioning system for a greenhouse according to the first embodiment of the present invention performs its own air circulation action of supplying and circulating the upper air inside the greenhouse and sterilizing the internal air while sterilizing while circulating the air inside the greenhouse. , In order to enable the action of discharging the air inside the greenhouse when the outside air is introduced according to ventilation, the auxiliary greenhouse air blowing fan 90 is configured.

The auxiliary greenhouse air blowing fan 90 is installed to suck greenhouse air and supply it to the interior of the heat exchange means 40, and through the connecting pipe 92 connected to the upper portion of the heat exchange pipe 41, the greenhouse air It is supposed to be supplied. The connecting pipe 92 is provided with a fifth opening/closing means 94 that regulates the flow of the fluid.

In addition, the air conditioning system for a greenhouse according to the first embodiment includes a condensate removal device 110 for removing condensate generated in the heat exchange process by the heat exchange means 40.

The condensate removal device 110 includes a water collecting tank 111 formed to collect condensed water at the bottom of the air conditioning inner cylinder 20, a drainage pump 112 for sucking and pumping condensate contained in the water collecting tank 111, and a water collecting tank 111 ) And a drainage pipe 113 connected between the outside, which is a discharge place, and the like.

Hereinafter, the operation of the air conditioning system for a greenhouse according to the first embodiment of the present invention will be briefly described.

4 to 6 is a schematic diagram for explaining the operating state of the air conditioning system for a greenhouse according to the first embodiment of the present invention, Figure 4 shows the use of the cooling and dehumidifying mode of the summer season, Figure 5 is the winter season cooling And a dehumidifying mode, and FIG. 6 shows a use case of a greenhouse internal air self-circulating mode.

As shown in Fig. 4, when the air conditioning system for the greenhouse is placed inside the greenhouse and at the boundary thereof, the controller detects the user's operation signal or internal humidity when the inside air of the greenhouse becomes hot and humid as in the summer season (not shown) The main greenhouse air blowing fan 50 is operated according to the control signal of. At this time, the first opening/closing means 35 is in an open state, the second opening/closing means 65 is operated to be in a closed state, while the three-way control valve 45 is a heat exchange fluid through the heat exchange pipe, and the heat exchange fluid is exhausted. The opening/closing direction is controlled to be discharged to the outside through the line 43, and the fifth opening/closing means 94 is operated to be closed.

Then, the water pump 44a pumps cold ground water to supply it to the heat exchange pipe 41 through the heat exchange fluid entering line 42, wherein the third opening/closing means 47 is opened and the fourth opening/closing is performed. The means 48 is operated to be closed so that the cooling water does not flow back into the external air blowing fan 44b.

As the suction power according to the operation of the main greenhouse air blowing fan (50), the internal air of the greenhouse flows into the inside of the air conditioning inner cylinder (2) via the internal air flow member (30), and then moves upward. According to the action of the swirl flow generating means 70 disposed at the lower part of (2), turbulence is formed and rises, so that heat exchange with the heat exchange pipe 41 is actively performed and heat exchange can be effectively performed.

Thus, while passing through the heat exchange pipe, the high temperature and high humidity air is lowered in temperature and flows through the air movement path p1 between the air conditioning outer cylinder 10 and the air conditioning inner cylinder 20, and then the lower air exhaust portion ( Since it is discharged into the greenhouse through 14), it is possible to perform a function of lowering the temperature inside the greenhouse.

In addition, condensed water is generated by condensation due to a temperature difference in the heat exchange process with the heat exchange means 40 and is discharged after falling to the lower part. At this time, the moisture contained in the hot and humid air is removed, so the inside of the greenhouse is removed. It can perform the humidity control action of.

In addition, the air flowing through the air path p1 is sterilized by the sterilizing light generating means 80 installed in the internal flow path of the air conditioning outer cylinder 10, so that pathogens are sterilized, so that they are clean and low-temperature dry. Air can be supplied into the greenhouse.

On the other hand, referring to FIG. 5, when the internal air of the greenhouse is hot and humid in the winter, it is possible to control the temperature and humidity by cooling the internal air of the greenhouse as follows using cold outside air.

The main greenhouse air blowing fan 50 is operated according to the user's operation signal or the control signal of the control unit that senses the internal humidity. At this time, the first opening/closing means 35 is opened and the second opening/closing means 65 is sealed. (Closed) state.

Then, the external air blowing fan 44b sucks and blows cold external air and supplies it to the heat exchange pipe 41 through the heat exchange fluid entering line 42, wherein the fourth opening/closing means 48 is opened. Furnace, the third opening/closing means 47 is operated to be in a closed state so that external air does not flow back into the water pump 44a.

As the suction power according to the operation of the main greenhouse air blowing fan (50), the internal air of the greenhouse flows into the interior of the air conditioning inner cylinder (2) via the internal air flow member (30), and then moves upwards. According to the action of the swirl flow generating means 70 disposed at the lower part of (2), turbulence is formed and rises, so that heat exchange with the heat exchange pipe 41 is actively performed and heat exchange can be effectively performed.

Thus, while passing through the heat exchange pipe, the high temperature and high humidity air is lowered in temperature and flows through the air movement path p1 between the air conditioning outer cylinder 10 and the air conditioning inner cylinder 20, and then the lower air exhaust portion ( Since it is discharged into the greenhouse through 14), it is possible to perform the action of lowering the temperature inside the greenhouse. In the heat exchange process with the heat exchange means 40, the moisture contained in the hot and humid air is converted into condensed water by condensation and then discharged after falling to the bottom, so that humidity control in the greenhouse can be performed.

In addition, the air flowing through the air movement path p1 is sterilized by the sterilizing light generating means 80 installed in the internal flow path of the air conditioning outer cylinder 10, so that pathogens are sterilized, so that clean, low-temperature dry air It can be supplied inside the greenhouse.

On the other hand, referring to Figure 6, the interior of the greenhouse has a high temperature in the upper part and a relatively low temperature in the lower part depending on convection. In this state, full-scale heating is performed in winter, late spring, and late autumn as described below. If the internal air of the upper layer is circulated to the lower portion before implementation, it can exert the heating effect necessary for the growth of crops, thereby reducing energy costs, and the sterilizing action of the sterilizing light generating means 80 in the circulation process of the internal air of the greenhouse There is an advantage that can prevent the occurrence of pests by performing.

6, the third and fourth opening and closing means 47 and 48 are operated in a closed state, and when the auxiliary greenhouse air blowing fan 90 is operated, air in the upper layer moves to the internal air flow member 30. The opening and closing direction of the three-way control valve 45 is controlled as much as possible while the first opening/closing means 35 is operated in an open state so as to be ejected to the lower part of the greenhouse.

In this state, when the auxiliary greenhouse air blowing fan 90 is operated, the internal air of the upper layer of the greenhouse is introduced into the heat exchange pipe 41 and discharged to the internal air flow member 30 through the 3-way control valve 45. Since it is ejected to the lower part of the greenhouse through the air inlet portion 32, it is possible to provide warmth to crops planted on the plantation.

In addition, when the first opening/closing means 35 is sealed so that the upper air discharged through the three-way control valve 45 passes through the air conditioning inner cylinder 20, it is moved through the air movement path p1, so that the air conditioning outer cylinder The pathogen may be sterilized by the sterilizing light generating means 80 installed in the internal flow path of the sieve 10.

Hereinafter, a modified example according to the present invention will be described, but a detailed description of components similar to those shown in the above-described first embodiment will be omitted and the components having differences will be mainly described.

7 is a schematic view for explaining a modification of the air conditioning system for a greenhouse according to the first embodiment of the present invention.

Referring to FIG. 7, the air conditioning system for a greenhouse according to a modification of the first embodiment of the present invention includes an air conditioning outer cylinder 10 installed in an inner space, and air installed inside the air conditioning outer cylinder 10 The air conditioner 20, the air inlet 32 are provided inside the greenhouse and are disposed inside the air conditioner 20, the air conditioner 30, and the air conditioner 20 The heat exchange means 40, and the air inlet is provided outside the greenhouse and is provided with an external air flow member 60 disposed in communication with the air conditioning inner cylinder 20, and the like, the air conditioning outer cylinder 10 and air conditioning The water supply device 120 for supplying moisture to the air flowing into the inner cylinder 20 is further configured.

In addition, the water supply device 120 includes an injection nozzle 121 that ejects moisture toward the inner space of the air conditioning inner cylinder 20, a water supply pipe 122 connected to the spray nozzle 121, and a water supply pipe ( 122) is composed of a water supply source 123 for supplying moisture.

The water supply source 123 is composed of a water supply tank 123a and a water supply pump 123b that sucks and pumps water from the water supply tank 123a.

As described above, the air conditioning system for a greenhouse according to a modification of the present invention is an air conditioning system configured to prevent outside air from entering the greenhouse as much as possible in order to prevent loss of carbon dioxide or prevention of disease and pests, but inevitably When inflow is required, there is an advantage in that the inflow amount of the outside air can be controlled and the sterilization action of the inflowing outside air can be performed.

For example, as shown in FIG. 7, when the inflow of outside air is required for ventilation in the winter, the auxiliary greenhouse air is operated in a state where the first opening/closing means 35 are closed and the second opening/closing means 65 is operated in an open state. When the blower fan 90 is operated, the inside air of the greenhouse is sucked, and after the heat exchange pipe 41 is moved, it is discharged to the outside through the outside air flow member 60. At this time, the cold outside air is heated by heat exchange action with warm internal air flowing into the heat exchange pipe 41 while flowing into the external air flow member 60 and passing through the internal space of the air conditioning inner cylinder 20, while the air moving path ( In the process of passing through p1), pathogens are sterilized by the sterilizing light generating means 80 and then introduced into the greenhouse.

At this time, the third and fourth opening and closing means 47 and 48 are operated in a closed state, and the three-way control valve 45 controls the opening and closing direction so that the internal air flowing into the heat exchange pipe 41 is discharged to the outside. .

In addition, in the air conditioning system for a greenhouse according to a modification of the first embodiment of the present invention, the water supply device 120 is further configured so that when the humidity of the external air flowing through the air conditioning inner cylinder 20 is low, the spray nozzle Water can be appropriately controlled by spraying water through (121). Through this, it is possible to prevent diseases such as mites caused by the inflow of dry air in winter.

As described above, the air conditioning system for a greenhouse according to a modification of the first embodiment of the present invention can heat cold outside air and introduce it into the greenhouse, so that a sudden change in temperature of the greenhouse can prevent the adverse effect on the crop, and assist The amount of outside air can be appropriately adjusted through the control of the air volume of the greenhouse air blowing fan 90, so that the increase in heating cost required for re-heating can be prevented in advance by supercooling due to the sudden inflow of outside air.

In addition, in the summer, the air conditioning system for a greenhouse according to a modification of the first embodiment of the present invention does not have a large difference in temperature between the inside air and the outside air of the greenhouse, so cooling cannot be performed due to heat exchange, but it is not humid than the inside of the greenhouse The air quality in the greenhouse can be improved by sterilizing and providing cool outdoor air.

What has been described above is only one embodiment for implementing the air conditioning system for a greenhouse according to the present invention, and the present invention is not limited to the above-described embodiment, and as claimed in the following claims Anyone who has ordinary knowledge in the field to which the present invention pertains without departing from the gist will have the technical idea of the present invention to the extent that various changes can be made.

The terms used in the above embodiments are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, terms such as “include” or “have” are intended to indicate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, and that one or more other features are present. It should be understood that the existence or addition possibilities of fields or numbers, steps, operations, components, parts or combinations thereof are not excluded in advance.

10: Air conditioning outside the body
20: Air conditioning system
30: internal air flow member
40: heat exchange means
50: Main greenhouse air blowing fan
60: external air flow member
70: swirl flow generating means
80: sterile light generating means
90: auxiliary greenhouse air blowing
110: condensate removal device
120: water supply device

Claims (14)

In the greenhouse air conditioning system,
An air-conditioning outer cylinder formed with an air discharge portion at the bottom;
An air conditioning inner cylinder installed inside the air conditioning outer cylinder and having an air flow portion formed thereon;
An internal air flow member which is connected to the air conditioning inner cylinder so as to communicate with the interior of the greenhouse and is provided with first opening and closing means; And
Air conditioning system for a greenhouse, characterized in that it comprises a heat exchange means disposed inside the air conditioning inner cylinder.
In the air conditioning system for a greenhouse,
An air-conditioning outer cylinder formed with an air discharge portion at the bottom;
An air conditioning inner cylinder installed inside the air conditioning outer cylinder and having an air flow portion formed thereon;
An internal air flow member connected to the air conditioning inner cylinder and having a first opening and closing means in communication with the interior of the greenhouse;
A heat exchange means disposed inside the air conditioning inner cylinder; And
Air conditioning system for a greenhouse, characterized in that it comprises an external air flow member which is connected to the air conditioning inner cylinder and is provided with a second opening and closing means in communication with the outside of the greenhouse.
The method according to claim 1 or 2,
A heat exchange fluid entering line connected to an upper portion of the heat exchange means;
A heat exchange fluid exhaust line connected to a lower portion of the heat exchange means and arranged to communicate with the outside of the greenhouse; And
Greenhouse air conditioning system, characterized in that it comprises a heat exchange fluid supply device connected to the heat exchange fluid inlet line.
According to claim 3,
Air conditioning system for a greenhouse, characterized in that it comprises an auxiliary greenhouse air blowing fan which is connected to suck the internal air of the greenhouse and supply it to the interior of the heat exchange means.
According to claim 4,
Greenhouse air conditioning system comprising a three-way control valve installed in the heat exchange fluid exhaust line.
According to claim 3,
The heat exchange fluid supply device is an air conditioning system for a greenhouse, characterized in that it comprises an external air blowing fan for sucking and blowing external air or a water pump for sucking and supplying water.
The method according to claim 1 or 2,
The heat exchange means comprises a coil-type heat exchange pipe,
And a swirl flow generating means installed at a lower portion of the air conditioning inner cylinder so that a swirl flow is formed in the flowing air.
The method according to claim 1 or 2,
Air conditioning system for a greenhouse, characterized in that it comprises a sterilization light generating means installed to perform a sterilization action on the air passing through the air conditioning inner cylinder and the air conditioning inner cylinder.
The method of claim 8,
The sterilization light generating means is composed of a lamp arrangement cylinder in which a plurality of UV lamps are arranged and installed in an internal flow path between the air conditioning outer cylinder and the air conditioning inner cylinder,
The air conditioning inner tube is an air conditioning system for a greenhouse, characterized in that formed of a light-transmitting material.
The method according to claim 1 or 2,
The air conditioning inner cylinder is composed of a cylinder having an air flow portion perforated in the form of a flow hole, and a male screw portion formed on an outer circumferential surface.
The air conditioning outer cylinder is a greenhouse air conditioning system, characterized in that the air outlet is formed in the form of a flow hole and a coupling boss having a female threaded portion to which the male screw is fastened inside the upper end.
The method according to claim 1 or 2,
The air conditioning system for a greenhouse, characterized in that a condensate removal device including a water collecting tank formed to collect condensed water is provided under the air conditioning inner cylinder.
The method according to claim 1 or 2,
The air conditioning system for a greenhouse, characterized in that it further comprises a moisture supply device for supplying moisture to the air flowing into the air conditioning outer cylinder or the inside of the air conditioning inner cylinder.
The method of claim 12,
The water supply device,
An injection nozzle that ejects moisture toward an inner space of the air conditioning inner cylinder;
A water supply pipe connected to the spray nozzle; And
Air conditioning system for a greenhouse, characterized in that it comprises a moisture supply source for supplying moisture to the water supply pipe.
The method according to claim 1 or 2,
Air conditioning system for a greenhouse, characterized in that it comprises a main greenhouse air blowing 하는 to suck the air inside the greenhouse and blow it toward the air conditioning inner body.

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