KR20200129419A - Sterilizing apparatus for hydroponic cultivation - Google Patents

Abstract

The present invention relates to a sterilization device for hydroponic cultivation and, more specifically, to a sterilization device for hydroponic cultivation, which can be easily installed in a hydroponic cultivation device to perform sterilization. The sterilization device for hydroponic cultivation according to the present invention comprises: a sterilization main body with an inlet port and an outlet port and a receiving space formed inside; a rotating body inserted into the receiving space and installed rotatably; a drive motor which applies rotational force to the rotating body; a light-transmitting sealing member inserted into the sterilization main body to seal the receiving space and formed of a light-transmitting material; a light source part installed on an outer surface of the light-transmitting sealing member to irradiate sterilizing light toward the receiving space; and a main body cover member watertightly coupled to the sterilization main body.

Description

Sterilizing device for hydroponic cultivation{STERILIZING APPARATUS FOR HYDROPONIC CULTIVATION}

The present invention relates to a sterilization device for hydroponic cultivation, and more particularly, to a sterilization device for hydroponic cultivation that can be easily installed in a hydroponic cultivation device to perform sterilization.

In general, hydroponic cultivation is an agricultural technology that cultivates various crops while supplying a culture medium containing nutrients necessary for the growth of plants.It does not require farmland and can solve various problems caused by soil cultivation, so it has been recognized as urban agriculture. have.

And, hydroponic cultivation is to perform a cultivation process using a system for hydroponic cultivation prepared to plant plants, for example, a hydroponic cultivation apparatus as disclosed in Korean Patent Publication No. 10-1034513 has been proposed.

The hydroponic cultivation apparatus 100 according to the above-described registered patent No. 10-1034513 is provided on the inner bottom surface of the case 10 and the case 10 as shown in FIG. 1 and a storage tank 20 in which a culture solution is stored, A plurality of shelf members 30, which are installed at predetermined height intervals inside the case on the upper side of the storage tank, divide the case into a double layer, and have a channel of the culture solution formed therein, and are provided on the top of the plurality of shelf members, respectively, and planting for hydroponic plants A plurality of cultivation plates 40 in which a plurality of balls are formed, and a plurality of lighting members 50 are provided on the upper side of each of the plurality of cultivation plates and independently irradiate light to the hydroponic plants planted in each cultivation plate.

In addition, the hydroponic cultivation apparatus 100 includes a lighting control unit that controls the intensity of light of each of the plurality of lighting members according to the characteristics of the planted hydroponic plants, and a supply pipe between the water passage of the storage tank 20 and the upper shelf member 30 It is connected and each channel of the plurality of shelf members is connected by a connection pipe 62, and a recovery pipe 63 is connected between the channel of the lowermost shelf member and the storage tank to circulate the culture solution of the storage tank according to the drive of the circulation pump 64. It is provided with a culture liquid circulation unit to be controlled, and a pump control unit for controlling the drive of the circulation pump (64).

The above-described conventional hydroponic cultivation apparatus has a problem in that the roots of plants are decayed due to the propagation of harmful microorganisms, etc. due to the long-term use of the culture solution contained in the shelf member 30, and there is a problem in that the culture solution is decayed, buoyant, and red tide occurs. .

To prevent this, a method of installing an ultraviolet lamp on the shelf member 30 may be proposed, but it has a limitation of inhibiting the growth of plants as light is irradiated to the roots of the plant.

Korean Patent Registration No. 10-1034513 "Hydraulic Cultivation Device" Korean Patent Laid-Open Patent No. 10-2019-0033819 "Hydraulic cultivation and fish farming device combined with water purification system"

The present invention has been proposed in light of the above contents, and an object of the present invention is to provide a sterilization device for hydroponic cultivation that can be conveniently installed and can effectively sterilize and purify a fluid to be sterilized.

In order to achieve the above object, the sterilization apparatus for hydroponic cultivation according to the present invention comprises: a sterilizing body provided with an inlet and an outlet and having a receiving space therein; A rotating body inserted into the receiving space and rotatably installed; A driving motor that applies a rotational force to the rotating body; A light-transmitting sealing member inserted into the sterilizing body to seal the receiving space and formed of a light-transmitting material; A light source unit installed on an outer surface of the light-transmitting sealing member to irradiate sterilizing light toward the receiving space; And it characterized in that it comprises a body cover member watertightly coupled to the sterilizing body.

The sterilizing body includes: a pumping chamber concave into which the rotating body is inserted and provided with an inlet opening and a discharge opening communicating with the outlet; And a sterilization movement path formed in the receiving space so that one side communicates with the inlet and the other side communicates with the inlet opening.

In this case, the sterilization movement path may be configured to form a zigzag flow path by a plurality of partition walls protruding alternately.

Preferably, the rotating body comprises a first rotating body connected to the motor shaft of the driving motor and having a plurality of teeth, and a second rotating body having a plurality of teeth rotated by meshing with the teeth of the first rotating body Can be.

The sterilizing body may include a flange portion formed in the opening of the housing, and a locking projection formed on the inner surface of the housing so that the light transmitting sealing member is seated and locked.

The light-transmitting sealing member may be formed of a plate-like member in which a mounting jaw that is caught on the locking jaw portion protrudes, and may be hermetically connected through a first airtight member.

The light source unit may have a structure in which a plurality of UVC light emitting diodes are arranged on a printed circuit board.

The drive motor may include a motor cover that is covered outside and is hermetically installed on the sterilizing body by a third hermetic member.

The body cover member may include a cover member insertion portion inserted into the opening of the housing, and a cover member fastening portion seated on the flange and hermetically coupled through a second airtight member.

Meanwhile, the sterilization device for hydroponic cultivation according to the present invention may further include a screen device installed at the inlet to filter solids.

Preferably, the sterilizing body is composed of a magnetic body, and may be configured to include a permanent magnet member correspondingly disposed to fix the sterilizing body to the to-be-installed portion.

According to the sterilization device for hydroponic cultivation according to the present invention, it can be conveniently installed and used in a region requiring sterilization using a permanent magnet member, and in the process of passing through a sterilization moving path and a pumping chamber in which the sterilizing target fluid is sealed As the sterilization process by UVC light is performed, the light is not directly irradiated to the plant roots, so there is an effect that the sterilization can be effectively performed without causing adverse effects on plant growth.

In particular, the sterilization device for hydroponic cultivation according to the present invention is sequentially sterilized while the fluid to be sterilized has a constant residence time along the sterilization movement path, and the culture solution is mixed with turbulent flow in the process of movement. There is an advantage to be able to.

1 is a view for explaining a conventional hydroponic cultivation apparatus,
Figure 2 is a perspective view showing a hydroponic sterilization device according to an embodiment of the present invention,
Figure 3 is an exploded perspective view showing a sterilization device for hydroponic cultivation according to an embodiment of the present invention,
Figure 4 is a cross-sectional view showing a sterilization device for hydroponic cultivation according to an embodiment of the present invention,
Figure 5 is a perspective view showing the sterilization body of the sterilization device for hydroponic cultivation according to an embodiment of the present invention,
Figure 6 is a schematic view showing the installed state of the sterilization device for hydroponic cultivation according to an embodiment of the present invention,
Figure 7 is a schematic cross-sectional plan view for explaining the operation of the sterilization device for hydroponic cultivation according to an embodiment of the present invention.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings FIGS. 2 to 7, but the same reference numerals are assigned to the same components in FIGS. 2 to 7.

On the other hand, in each drawing, a detailed description of a configuration that can be easily recognized by a person of ordinary skill in the art from a general technique, and actions and effects therefor, will be simplified or omitted. In addition, since the present invention is characterized by a sterilization device for hydroponic cultivation, the related parts will be mainly shown and described, and the description of the remaining parts will be simplified or omitted.

Figure 2 is a perspective view showing a sterilization device for hydroponic cultivation according to an embodiment of the present invention, Figure 3 is an exploded perspective view showing a sterilization device for hydroponic cultivation according to an embodiment of the present invention, Figure 4 is a perspective view showing the sterilization device for hydroponic cultivation according to an embodiment of the present invention. A cross-sectional view showing a sterilizing device for hydroponic cultivation, Figure 5 is a perspective view showing a sterilizing body of the sterilizing device for hydroponic cultivation according to an embodiment of the present invention.

2 to 5, the sterilization device for hydroponic cultivation (s) according to an embodiment of the present invention is to be easily installed in the hydroponic cultivation device to effectively sterilize the culture solution, and the sterilization body (1), The whole (2), the drive motor (3), the light transmitting sealing member (4), the light source (5) and the body cover member (6) is provided.

The sterilizing body (1) is a cylindrical component in which an accommodation space for accommodating the rotating body (2), the light transmitting sealing member (4) and the light source unit (5) is provided and an opening is formed at one side, and is a culture medium to be sterilized An inlet 15 through which a fluid such as the back flows in, and an outlet 16 through which a fluid passed through a sterilization process is discharged are formed.

The sterilizing body 1 may be formed in various shapes such as a cylindrical shape, but in this embodiment, a flange portion 13 is formed on the upper end of the housing 11 having a substantially rectangular cylindrical shape, and the light transmitting sealing member 4 is seated. , It has a structure in which the locking projection 14 is formed on the inner surface of the housing so as to be caught.

In addition, the sterilizing body 1 has a pumping chamber 17 in which the rotating body 2 is accommodated to perform a pumping action.

The pumping chamber 17 is concave to insert the first and second rotating bodies 21 and 22, which will be described later, and is provided with a discharge opening 173 communicating with the inlet opening 172 and the outlet 16, thereby ensuring smooth pumping. For this reason, the width of the inlet opening 172 is formed to be large to facilitate the inflow of the fluid, and the width of the discharge opening 173 is formed relatively small.

In addition, the sterilization body (1) increases the residence time of the culture medium introduced into the receiving space to increase the exposure time to the sterilization light, while forming a turbulent flow to cause the culture medium to rot, thereby sterilizing movement path (18) for sterilization efficiency. Is formed.

The sterilization path 18 is formed inside the accommodation space so that one side is in communication with the inlet 15 and the other side is in communication with the inlet opening 172. It is configured to be formed.

On the other hand, the sterilization body 1 is formed of a magnetic body to maintain a fixed state by attaching a permanent magnet member 7 to be described later, and a light source unit ( It is preferable that a reflective coating layer or a reflective film is laminated to reflect the light irradiated from 5).

The rotating body 2 is a component that is inserted into the receiving space of the sterilizing body 1 and is rotatably installed, and if the fluid can be circulated by performing a pumping action, it can be selected and applied without any special restrictions such as a turbine shape. In this embodiment, the first rotating body 21 connected to the motor shaft of the driving motor 3 and having a plurality of teeth, and a second having a plurality of teeth rotated by meshing with the teeth of the first rotating body 21 are formed. It is composed of a rotating body (22).

The first rotating body 21 has a'D'-shaped motor shaft insertion groove 212 formed on the central shaft so that the motor shaft of the driving motor, which will be described later, is inserted.

The driving motor 3 is a component that applies a rotational force to the rotating body 2, and although not specifically shown, a reducer for decelerating the rotational force output from the driving motor is built-in, and the motor shaft 33 is the first It is processed (D-cut processing) to have an approximately'D'-shaped cross-sectional structure to be inserted into the motor shaft insertion groove 212 of the entire 21, and a fourth airtight member 94 is inserted into the outer circumferential surface of the sterilizing body. It is to be hermetically assembled in the shaft insertion hole 112 of (1).

Further, the drive motor 3 is provided with a motor cover 32 so as to have a watertight characteristic even when immersed in the culture solution. The motor cover 32 is formed in a corresponding shape so as to be overlaid on the outside of the motor, and is hermetically installed on the sterilizing body 1 by a third hermetic member 93. At this time, the third hermetic member 93 is composed of a planar gasket formed in a circular structure.

In addition, it is preferable that the drive motor is composed of an inverter motor so as to increase or decrease the rotational speed.

The light-transmitting sealing member 4 is a component that is inserted and assembled into the sterilizing body 1 to seal the receiving space, and is made of polycarbonate so that the sterilizing light applied from the light source unit 5 can be transmitted into the receiving space. It is important to be formed of a light-transmitting material, such as.

And the light-transmitting sealing member 4 is formed of a plate-like member having a substantially rectangular shape, and is airtightly connected through the first airtight member 91, which is hooked to the locking projection 14 of the sterilizing body 1 The seating jaw 42 protrudes, and a shaft groove 43 into which the rotation shafts of the first and second rotation bodies 21 and 22 to be described later are inserted is formed. Here, the first hermetic member 91 is formed of an O-ring having a substantially rectangular shape.

The light source unit 5 is a component installed in the light transmitting sealing member 4 to irradiate light for sterilization toward the receiving space, and has a structure in which a plurality of UVC light emitting diodes are arranged on a printed circuit board.

Preferably, the light source unit 5 is composed of a UVC LED module that emits UVC light having a wavelength of 100 to 280 nm.

The body cover member 6 is a component that is watertightly coupled to the sterilizing body 1, a cover member insertion portion 61 inserted into the opening of the housing 11, and a flange portion 13 of the housing 11 It is seated on and is composed of a cover member fastening portion 62 that is hermetically coupled through the second airtight member 92. Here, it is preferable that the second hermetic member 92 is formed of a planar gasket having a square frame shape.

In addition, the sterilization apparatus for hydroponic cultivation according to an embodiment of the present invention includes a permanent magnet member 7 arranged correspondingly to fix the sterilization body 1 to an installation portion.

Since the permanent magnet member 7 can perform a fixing action by magnetic force, a separate fastening member such as a bolt is not required to assemble a sterilization device for hydroponic cultivation, so the installation process can be quickly and simply performed, There is an advantage of being able to easily change the installation location.

On the other hand, the sterilization device for hydroponic cultivation according to an embodiment of the present invention may further include a screen device (not shown) to filter solids.

The screen device may be configured by selecting without special limitation as long as it is a device capable of removing foreign substances, and may be configured by installing a foreign substance removing device for piping called a strainer at the inlet 15.

In addition, reference numeral 95 in FIG. 2 is an electric cable connected to the driving motor 3 and the light source unit 5, and a cable packing 96 for maintaining airtightness is installed in the electric cable 95, and sterilization The main body 1 is provided with a cable entry hole 113 for entering the electric cable 95 connected to the light source unit 5.

Hereinafter, the operation of the sterilization device for hydroponic cultivation according to an embodiment of the present invention will be briefly described.

Figure 6 is a schematic view showing the installed state of the sterilization device for hydroponic cultivation according to an embodiment of the present invention, Figure 7 is a schematic plan cross-sectional view for explaining the operation of the sterilization device for hydroponic cultivation according to an embodiment of the present invention As shown therein, the rotating body 2, the light transmitting sealing member 4 and the light source 5 are sequentially inserted into the sterilizing body 1, sealed with the body cover member 6, and the driving motor 3 After assembling the hydroponic sterilization device (s) in a way of installing ), insert it into the shelf member (a, the mounting part) and install it so that it is submerged in the culture solution.

Thereafter, when the permanent magnet member 7 is attached to the lower portion of the shelf member a so as to face the sterilizing body 1, the sterilizing body 1 is stably maintained in its correct position by magnetic force.

When the driving motor 3 is operated in this state, as shown in Fig. 7, the first rotating body 21 rotates and the second rotating body 22 engaged with the teeth of the first rotating body is interlocked to rotate. As a result, the culture solution of the inlet opening 172 is introduced into the pumping chamber 17 and is discharged to the outside of the outlet 16 through the discharge opening 173.

When the driving motor 3 is rotated in this way, the culture solution accommodated in the shelf member undergoes a repetitive circulation process along the movement path consisting of the inlet 15, the sterilization passage 18, the pumping chamber 17 and the outlet 16. do.

In the circulating process of the culture medium, the UVC light emitted from the light source unit 5 passes through the light-transmitting sealing member 4 and then irradiates toward the sterilization movement path 18 and the pumping chamber 17, so that the sterilization process is performed. At this time, since the culture solution moves through the sterilization movement path 18 in sequence, it is possible to perform sequential sterilization during a relatively long residence time. In addition, since the sterilization path 18 is formed in a zigzag structure by a plurality of partition walls 19, a turbulent flow is formed during the movement process and the culture solution is mixed, so that a uniform sterilization action is achieved.

The configuration and operation of the hydroponic sterilization device according to an embodiment of the present invention have been described above, but this is only an example, and those of ordinary skill in the art have the above implementation without departing from the technical spirit of the present invention. It will be appreciated that it is possible to substitute and modify some of the examples.

Therefore, it should be understood that the scope of protection of the present invention extends to the invention and its equivalents described in the claims.

1: Sterilization body 11: Housing
13: flange part 14: jamming jaw part
15: inlet 16: outlet
17: pumping room 18: sterilization path
19: bulkhead 2: rotating body
21: first rotating body 22: second rotating body
3: drive motor 32: motor cover
4: light transmission sealing member 42: seating jaw
5: light source part 6: main body cover member
7: permanent magnet member

Claims (7)

A sterilizing body provided with an inlet and an outlet and having an accommodation space therein;
A rotating body inserted into the receiving space and rotatably installed;
A driving motor that applies a rotational force to the rotating body;
A light-transmitting sealing member inserted into the sterilizing body to seal the receiving space and formed of a light-transmitting material;
A light source unit installed on an outer surface of the light-transmitting sealing member to irradiate sterilizing light toward the receiving space; And
Hydroponic sterilization apparatus comprising a body cover member watertightly coupled to the sterilization body.
The method of claim 1,
The sterilizing body,
A pumping chamber concave into which the rotating body is inserted and provided with an inlet opening and a discharge opening communicating with the outlet; And
A sterilization device for hydroponic cultivation, characterized in that it comprises a sterilization movement path formed in the receiving space so that one side communicates with the inlet and the other side communicates with the inlet opening.
The method of claim 2,
The sterilizing device for hydroponic cultivation, characterized in that the sterilization passage is configured to form a zigzag flow path by a plurality of partition walls protruding alternately.
The method of claim 2,
The rotating body includes a first rotating body connected to the motor shaft of the driving motor and having a plurality of teeth, and a second rotating body having a plurality of teeth rotated by meshing with the teeth of the first rotating body. Sterilizing device for hydroponic culture.
The method of claim 2,
The sterilizing body includes a flange portion formed in the opening of the housing, and a locking projection formed on the inner surface of the housing so that the light transmitting sealing member is seated and locked,
The light-transmitting sealing member is formed of a plate-shaped member in which the seating jaw that is caught on the locking jaw portion is protruded, and is hermetically connected through a first airtight member
The light source unit has a structure in which a plurality of UVC light emitting diodes are arranged on a printed circuit board,
The driving motor includes a motor cover that is covered on the outside and is hermetically installed on the sterilizing body by a third hermetic member,
The body cover member includes a cover member insertion portion inserted into the opening of the housing, and a cover member fastening portion seated in the flange and hermetically coupled via a second airtight member. .
The method of claim 1,
Hydroponic sterilization device, characterized in that it further comprises a screen device installed at the inlet to filter solids.
The method according to any one of claims 1 to 6,
The sterilizing body is composed of a magnetic body,
Sterilizing apparatus for hydroponic cultivation, characterized in that it comprises a permanent magnet member disposed to correspond to fix the sterilization body to the installation portion.

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