KR20240013369A - Air conditioner for greenhouse - Google Patents

Abstract

The air conditioning device is an air conditioning device installed in a greenhouse, including an upper frame disposed at an upper end, and a column frame disposed perpendicular to the ground to support the upper frame, wherein the air inside the greenhouse flows through the column frame. An air inlet formed on one side of the pillar frame to flow into the interior of the pillar frame, a sterilization treatment unit provided on an upper side of the air inlet inside the pillar frame to sterilize the air introduced through the air inlet, and the sterilization It includes an air outlet provided on an upper side of the sterilization treatment unit inside the pillar frame so that air that has passed through the treatment unit is discharged to the outside of the pillar frame.

Description

Air conditioning device for greenhouse {AIR CONDITIONER FOR GREENHOUSE}

The present invention relates to an air conditioning device, and more specifically, to an air conditioning device for a greenhouse installed in a greenhouse.

In general, agricultural crops were grown in the open field by selecting crops suited to the soil, climatic conditions, and seasons. However, the facility horticulture industry is gradually expanding as a way to reduce uncertainty due to abnormal temperatures and meet the year-round demand of consumers. It is becoming.

Facility horticulture involves planting crops in a cultivation area constructed inside a greenhouse, such as a glass greenhouse or greenhouse, and performing the cultivation process while managing the environment to maintain conditions such as temperature, humidity, and CO2 that are ideal for crop cultivation.

Various additional facilities are installed inside these greenhouses to perform functions such as temperature control, humidity control, and air conditioning.

Republic of Korea Patent No. 10-1578187 Republic of Korea Patent No. 10-0785930

The problem to be solved by the present invention is to provide an air conditioning device that has a simple and simple structure and can be easily applied to greenhouse frames, etc., thereby reducing equipment costs.

In addition, the problem to be solved by the present invention is to provide an air conditioning device that can effectively control temperature and humidity while minimizing the inflow of external air, and can effectively fertilize and maintain CO2 without wasting it. .

In addition, the problem to be solved by the present invention is to provide an air conditioning device that can effectively sterilize pathogens contained in the air and reduce energy costs by minimizing energy waste during cooling, heating and ventilation. there is.

The problem to be solved by the present invention is not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the description below.

In order to achieve the problem to be solved, an air conditioning device according to an embodiment of the present invention is installed in a greenhouse including an upper frame disposed at the upper end and a column frame disposed perpendicular to the ground to support the upper frame. In the air conditioning device installed, an air inlet formed on one side of the pillar frame such that air inside the greenhouse flows into the interior of the pillar frame, and the pillar frame is configured to sterilize the air introduced through the air inlet. It includes a sterilization treatment unit provided on the inside of the air inlet above the air inlet, and an air outlet provided on the inside of the pillar frame above the sterilization treatment unit so that the air passing through the sterilization treatment unit is discharged to the outside of the pillar frame. .

Specific details of other embodiments are included in the detailed description and drawings.

According to the air conditioning device of the present invention, it can be easily applied to greenhouse frames, etc. due to its concise and simple construction, which has the effect of reducing equipment costs.

In addition, according to the air conditioning device of the present invention, there is no need to open the side windows of the greenhouse, thereby minimizing heat loss and energy waste, thereby reducing energy costs and crop production costs.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description below.

1 is a photograph of a greenhouse in which an air conditioning device according to embodiments of the present invention can be installed.
Figure 2 is a schematic diagram showing an air conditioning device according to embodiments of the present invention.

In order to fully understand the structure and effect of the technical idea of the present invention, preferred embodiments of the technical idea of the present invention will be described with reference to the attached drawings. However, the technical idea of the present invention is not limited to the embodiments disclosed below, but can be implemented in various forms and various changes can be made. However, the description of the present embodiments is provided to ensure complete disclosure of the technical idea of the present invention and to fully inform those skilled in the art of the present invention of the scope of the invention.

Parts indicated with the same reference numerals throughout the specification indicate the same elements. Embodiments described in this specification will be explained with reference to block diagrams, perspective views, and/or cross-sectional views, which are ideal illustrations of the technical idea of the present invention. In the drawings, the thickness of regions is exaggerated for effective explanation of technical content. Accordingly, the regions illustrated in the drawings have schematic properties, and the shapes of the regions illustrated in the drawings are intended to illustrate a specific shape of the region of the device and are not intended to limit the scope of the invention. Although various terms are used to describe various components in various embodiments of the present specification, these components should not be limited by these terms. These terms are merely used to distinguish one component from another. Embodiments described and illustrated herein also include complementary embodiments thereof.

The terminology used herein is for describing embodiments and is not intended to limit the invention. As used herein, singular forms also include plural forms, unless specifically stated otherwise in the context. As used in the specification, 'comprises' and/or 'comprising' does not exclude the presence or addition of one or more other elements.

Hereinafter, the present invention will be described in detail by explaining preferred embodiments of the technical idea of the present invention with reference to the accompanying drawings.

FIG. 1 is a diagram showing a greenhouse in which an air conditioning device according to embodiments of the present invention is installed, and FIG. 2 is a schematic diagram showing an air conditioning device according to embodiments of the present invention.

The air conditioning device 1 according to the present embodiments can be compactly installed in the greenhouse 10 and can supply conditioned air, such as dehumidification and antibacterial, into the greenhouse.

The greenhouse 10 to which the air conditioning device 1 according to the present embodiments is applied is a glass greenhouse, a vinyl house, or a plastic greenhouse ( plastic house), etc., and it will be clear to those skilled in the art from the detailed description that follows that if it is a configuration that limits space to artificially control the crop cultivation environment, it can be applied to various types of greenhouses.

Referring to FIG. 1, the greenhouse 10 in which the air conditioning device 1 is installed includes an upper frame 12, a column frame 14, and a wall 16.

The upper frame 12 and the column frame 14 may form the framework, or frame, of the greenhouse.

The upper frame 12 is a frame placed at the upper part of the greenhouse. That is, the upper frame 12 is a structure that forms the top of the greenhouse.

The column frame 14 is a type of bridge supported on the ground among the components that make up a greenhouse. The pillar frame 14 may support the upper frame 12. The pillar frame 14 is a metal structure arranged perpendicularly to the ground. The height of the greenhouse ceiling may vary depending on the height of the pillars. The pillar frame 14 may be plastic, but it is advantageous in terms of strength if it is metal.

The wall 16 is a part disposed between the upper frames 12 and serves a practical shielding function.

For example, if the wall 16 is vinyl, the air conditioning device can be installed in a greenhouse, and if the wall 16 is glass or plastic, it can be installed in a glass greenhouse or plastic greenhouse. The wall 16 may include a transparent or translucent material.

Referring to FIG. 2, the air conditioning device 1 includes an air inlet 110, a first blowing fan 210, a first filter 310, a second filter 320, a second blowing fan 220, It includes a sterilization treatment unit 400, a light reflection member 500, an air outlet 120, and a third blowing fan 230.

The air inlet 110 is provided on one side of the column frame 14 of the greenhouse 10. The air inlet 110 allows indoor (inside) greenhouse air to flow into the interior of the column frame 14.

The air inlet 110 is preferably located below the sterilization treatment unit 400 and the air outlet 120.

The first blowing fan 210 may suck air inside the greenhouse 10. Air indoors in the greenhouse 10 may flow into the air inlet 110 as shown by an arrow in FIG. 2 .

The first blowing fan 210 may be driven by a drive motor (not shown) to introduce indoor air into the greenhouse into the pillar frame 14. To this end, the first blowing fan 210 may be arranged to face the air inlet 110.

Inside the pillar frame 14, a first filter 310 may be placed above the first blowing fan 210, and a second filter 320 may be placed above the first filter 310.

The first filter 310 serves to primarily filter dust in the air. The first filter 310 is a filter that first filters out large particles of dust, animal hair, lint, etc. in the air. The first filter 310 may be arranged in a horizontal direction perpendicular to the extension direction of the pillar frame 14.

The second filter 320 is installed at a predetermined distance from the first filter 310 to secure a space for air to remain and to remove odors contained in the air passing through the first filter 310. Like the first filter 310, the second filter 320 may be arranged in a horizontal direction perpendicular to the direction in which the column frame 14 extends.

The second filter 320 serves to secondarily filter fine dust contained in the air that has passed through the first filter 310 and remove odors and bacteria through deodorizing and antibacterial effects. The second filter 320 is a high-performance filter that can filter out most of the fine particles in the air. It can filter out more than 99.97% of 0.3㎛ size particles in the air, so it can remove bacteria, mold, and fine dust in the air. there is. In addition, the second filter 320 can completely filter out and remove odors, harmful gases, smoke, black mold, and even pneumonia bacteria at the molecular level.

The second blowing fan 220 may be located above the second filter 320. The second blowing fan 220 may be disposed behind the second filter 320 based on the air flow direction.

The second blowing fan 220 may be installed between the second filter 320 and the sterilization treatment unit 400. The second blowing fan 220 may suck the air that has passed through the second filter 320 and allow the air to move to the sterilization treatment unit 400 .

The sterilization treatment unit 400 is provided inside the pillar frame 14 above the air inlet 110. The sterilizing unit 400 may sterilize the air introduced through the air inlet 110.

More specifically, the sterilization treatment unit 400 includes a plurality of partition walls 410 and a light source unit 420.

The plurality of partition walls 410 may have a plate shape. The plurality of partition walls 410 may be spaced apart in the vertical direction along the extension direction of the pillar frame 14.

The plurality of partition walls 410 may be inclined to form a predetermined angle with respect to the extension direction of the pillar frame 14. The plurality of partition walls 410 are provided to form the same angle with respect to the extension direction of the pillar frame 14 and may be arranged parallel to each other. The plurality of partition walls 410 may serve to delay the flow of air by being installed at an angle with respect to the direction of air flow.

However, the plurality of partition walls 410 may be arranged vertically without being inclined with respect to the direction in which the column frame 14 extends.

In this way, when the plurality of partition walls 410 are inclined to form a predetermined angle with respect to the direction of extension of the pillar frame 14 or are provided vertically, the air flowing into the interior of the pillar frame 14 is supplied to the plurality of partition walls ( When passing through 410, the flow direction of air may be changed by moving along the plurality of partition walls 410. That is, the air flowing into the interior of the column frame 14 through the air inlet 110 moves upward and then changes its direction of movement along the plurality of partition walls 410 in the direction of arrangement of the plurality of partition walls 410. . Accordingly, when light is irradiated from the light source unit 420, which will be described later, to the air passing through the plurality of partitions 410, the time for which the air is exposed to light increases, thereby increasing the sterilization efficiency of the air.

The light source unit 420 may include, for example, a UV (ultra violet) lamp. The light source unit 420 can sterilize bacteria and pathogens in the air by irradiating UV light. The light source unit 420 is installed on the first side 14-1 and/or the second side 14-2 on the inner surface of the pillar frame 14, in the extending direction (air flow direction) of the pillar frame 14. UV can be irradiated in a direction perpendicular to . The light source unit 420 can purify the air by sterilizing pathogens such as bacteria and viruses and mold in the air by irradiating UV light.

More specifically, the plurality of partition walls 410 includes first partition walls 410a and second partition walls 410b.

The plurality of partition walls 410 may be attached to the first side 14-1 or the second side 14-2 facing the first side 14-1 among the inner surfaces of the pillar frame 14. .

Each of the first partitions 410a is attached to the first side 14-1 of the inner surface of the pillar frame 14 and extends toward the second side 14-2, but only the second side 14-2. It may be extended to be located a predetermined distance away from. That is, each of the first partitions 410a may be provided so that one end is attached to the first side 14-1 and the other end is not attached to the second side 14-2.

Each of the second partition walls 410b is attached to the second side 14-2 of the inner surface of the pillar frame 14 and extends toward the first side 14-1. It may be extended to be located a predetermined distance away from. That is, each of the second partitions 410b may be provided in such a way that one end is attached to the second side 14-2 and the other end is not attached to the first side 14-1.

The first partition walls 410a and the second partition walls 410b may be arranged alternately along the extension direction of the pillar frame 14, that is, the vertical direction. Thus, the air flows sequentially through the first partition 410a and the second partition 410b and can be sterilized by the light source unit 420.

The space between adjacent partition walls 410a and 410b, the space between the other end of the first partitions 410a and the inner surface of the pillar frame 14, the other end of the second partition walls 410b and the inner surface of the pillar frame 14 The space between the inner surfaces may form a passage through which air moves when the air passes through the sterilization treatment unit 400.

A plurality of light source units 420 may be provided and disposed between adjacent first partitions 410a and between adjacent second partitions 410b, respectively. As described above, the light source unit 420 is provided on the first side or the second side of the pillar frame 14 and provides sterilizing light in a direction perpendicular to the extension direction of the pillar frame 14 through a plurality of partitions. Moving air can be effectively sterilized.

The light reflection member 500 may be coated on the inner surface of the pillar frame 14. The light reflection member 500 can more effectively provide light to the air passing through the sterilization treatment unit 400 by reflecting the light provided from the light source unit 420, thereby improving the sterilization efficiency of the air conditioning device.

The light reflection member 500 may be made of one or more materials selected from the group consisting of metal, silica, aluminum oxide (alumina), magnesium fluoride, calcium fluoride, lithium fluoride, and magnesium oxide (magnesia).

The indoor air of the greenhouse 10 introduced through the air inlet 110 is sterilized and purified through the first and second filters 320 and the sterilization treatment unit 400, and then returned to the greenhouse through the air outlet 120. may be discharged. In this case, air may be sucked in by the third blowing fan 230 provided inside the pillar frame 14 to face the air outlet 120 and discharged through the air outlet 120.

As described above, the air conditioning device 1 according to the present embodiment is provided in the greenhouse structure itself, that is, in the pillar frame 14 of the greenhouse 10, so there is no need to secure new space, thereby increasing the usability of the greenhouse space. It is possible to stably supply purified air near the crops in the greenhouse, thereby ensuring stable crop production.

In particular, the air conditioning device 1 can be provided on each of the pillar frames 14 of the large greenhouse 10, so as to prevent the growth of internal pathogens and fungi such as mold that occur during operation of the large greenhouse 10. It can solve the problem of transmission of contamination from crops through the air.

Above, embodiments of the present invention have been described with reference to the attached drawings, but those skilled in the art will understand that the present invention can be implemented in other specific forms without changing the technical idea or essential features. You will understand that it exists. Therefore, the embodiments described above should be understood as illustrative in all respects and not restrictive.

1: Air conditioning device 110: Air inlet
120: air outlet 210: first blowing fan
220: second blowing fan 230: third blowing fan
310: first filter 320: second filter
400: Sterilization treatment unit 500: Light reflection member

Claims (10)

An air conditioning device installed in a greenhouse including an upper frame disposed at the upper end, and a column frame disposed perpendicular to the ground to support the upper frame,
an air inlet provided on one side of the column frame to allow air inside the greenhouse to flow into the interior of the column frame;
a sterilization treatment unit provided on an upper side of the air inlet inside the pillar frame to sterilize the air introduced through the air inlet; and
An air conditioning device comprising an air outlet provided inside the pillar frame and above the sterilization treatment unit so that air that has passed through the sterilization treatment unit is discharged to the outside of the pillar frame. The method of claim 1, wherein the sterilization processing unit,
a light source unit providing sterilizing light toward the air; and
An air conditioning device having a plate shape and including a plurality of partition walls that are spaced apart in the vertical direction along the extension direction of the pillar frame to increase the optical contact area of the air. The method of claim 2, wherein each of the partition walls is:
An air conditioning device that is inclined to form a predetermined angle with respect to the extension direction of the pillar frame. According to clause 2,
The partition walls are,
First partition walls are attached to a first side of the inner surface of the column frame and extend toward a second side facing the first side, and are positioned at a predetermined distance from the second side; and
Among the inner surfaces of the column frame, second partition walls are attached to the second side and extend toward the first side, and are located at a predetermined distance from the first side,
The first partition walls and the second partition walls are arranged alternately in an upward and downward direction. According to clause 4,
The light source unit is provided in plural pieces,
An air conditioning device provided between adjacent first partition walls and between adjacent second partition walls. According to clause 2,
An air conditioning device further comprising a light reflection member coated on an inner surface of the pillar frame to reflect light provided from the light source unit. According to claim 1,
An air conditioning device further comprising a first blowing fan disposed inside the pillar frame to face the air inlet and sucking the air inside the greenhouse so that the air flows into the pillar frame. According to clause 7,
A first fan is provided adjacent to the first blowing fan inside the pillar frame, is arranged in a horizontal direction perpendicular to the extension direction of the pillar frame, and removes contaminants contained in air introduced into the pillar frame. filter; and
A second filter is provided above the first filter inside the column frame, is arranged in a horizontal direction perpendicular to the extension direction of the column frame, and removes contaminants contained in the air that has passed through the first filter. An air conditioning device further comprising: According to clause 8,
An air conditioning device further comprising a second blowing fan provided between the second filter and the sterilization treatment unit inside the pillar frame to cause air passing through the second filter to flow toward the sterilization treatment unit. According to clause 9,
An air conditioning device further comprising a third blowing fan disposed inside the pillar frame to face the air outlet and sucking the air so that the air is discharged to the outside of the pillar frame.