KR102249679B1 - Plant cultivation system - Google Patents

Abstract

The present invention relates to a plant cultivation apparatus, by spraying and supplying the nutrient solution in the form of fine droplets using an electric injection module, the size of the nutrient solution particles is formed in an extremely fine and ionized state, and the absorption amount for the roots of plants grown in a medium And the absorption rate increases, and the floating time of the nutrient solution particles is increased, so that it is continuously absorbed by the roots of the plant, thereby minimizing the amount that is discharged to the outside and is discarded, so that it can be used and managed more efficiently. By performing the sterilization function of the inner space of the main case through the sterilization function, the growth of bacteria is suppressed, moss and green algae are prevented, and the nutrient solution supply function and sterilization are provided by adding a separate pressure injection module to operate and control them in various ways. It provides a plant cultivation apparatus capable of performing functions in an optimal state at the same time.

Description

Plant cultivation device {PLANT CULTIVATION SYSTEM}

The present invention relates to a plant cultivation apparatus. More specifically, by spraying and supplying the nutrient solution in the form of fine droplets using an electric injection module, the size of the nutrient solution particles is very fine and formed in an ionized state, thereby increasing the absorption amount and absorption rate for the roots of plants grown in the medium, As the floating time of the nutrient solution particles increases, it is continuously absorbed by the roots of the plant, thereby minimizing the amount that is discharged to the outside, so it can be used and managed more efficiently, and through the sterilization function by ionized fine droplets, the main By performing a sterilization function on the inner space of the case, it suppresses the growth of bacteria and prevents the occurrence of moss and green algae, and by adding a separate pressure injection module to operate and control them in various ways, the nutrient solution supply function and the sterilization function are simultaneously optimal. It relates to a plant cultivation apparatus that can be carried out with.

In general, a hydroponic cultivation method that promotes mass production of agricultural products, pollution-free cultivation, and freshness maintenance by cultivation throughout the four seasons in order to respond to the trend of consumption in all four seasons regardless of the reduction of agricultural land due to industrial development and production period (seasonal). The situation is spreading.

The hydroponic cultivation method of such agricultural products is a method of cultivating plants using only water obtained by dissolving various necessary nutrients without using soil, and is classified into a dip type, a thin film type, and a spray type according to the method of supplying nutrient solutions.

The submerged type is a traditional hydroponic cultivation method of underwater floating method using styrofoam, and the thin film type is a method of supplying nutrient solution to the roots by flowing nutrient solution to the bottom of the cultivation box. Say the way to do it. The immersion type and the thin-film type have a problem in that the nutrient solution used is too large while the growth efficiency is low, causing environmental pollution, and in recent years, a spray type in which the nutrient solution is sprayed onto the roots using a nozzle is recommended.

Spray-type hydroponic cultivation has good oxygen supply and high growth efficiency compared to other methods because the roots are floating in the air, and because it uses less nutrient solution, it is easy to prepare and change nutrient solution, but it is easy to control temperature and little environmental pollution. It has an excellent advantage that it can grow plants that are sensitive to sensitivity (for example, ginseng).

However, spray-type hydroponic cultivation generally uses a method of repeatedly spraying nutrient solutions (nutrients) using a gear pump with a high supply pressure while being small, and requires such a gear pump and nozzle, which increases the size of the device and increases the installation cost. Therefore, there is a problem that profitability is not high.

In addition, in this hydroponic cultivation method, due to the nature of the cultivation environment, moss or green algae plants are easy to propagate inside the cultivation box. There is a risk of spraying, in particular, that nutrients are not supplied smoothly to the cultivated plants by moss or green algae plants, or bacteria grow inside the cultivation box, resulting in deterioration of the plant's nurturing status, odor, and hygiene unsafe. A problem arises.

Domestic registered patent No. 10-1372605

The present invention was invented to solve the problems of the prior art, and an object of the present invention is to spray and supply the nutrient solution in the state of fine droplets using an electric injection module, so that the size of the nutrient solution particles is very fine and formed in an ionized state. The absorption amount and absorption rate for the roots of plants grown in the medium are increased, and in particular, the floating time of the nutrient solution particles is increased, so that the amount of nutrient solution particles is continuously absorbed by the roots of the plant, thereby minimizing the amount that is discharged to the outside and is thus more efficient. It is to provide a plant cultivation device that can be used and managed.

Another object of the present invention is to perform a sterilization function for the inner space of the main case by performing a sterilization function of the ionized fine droplets sprayed and supplied by the electric injection module by hydroxide ions (OH-). It is to provide a plant cultivation apparatus capable of more hygienic management by preventing the occurrence of moss and green algae as well as inhibiting the growth of bacteria inside the case.

Another object of the present invention is to be able to additionally spray the nutrient solution by a separate pressure injection module, so that the amount of nutrient solution supplied to the plant roots can be appropriately adjusted according to the needs of the user, and the electric injection module and the pressure injection module It is to provide a plant cultivation apparatus capable of performing a nutrient solution supply function and a sterilization function in an optimal state at the same time by controlling the operation of the operation in various ways.

The present invention, a main case in which a medium capable of cultivating plants is fixedly mounted thereon; An electric injection module that receives the nutrient solution from a separate nutrient solution storage chamber and injects the supplied nutrient solution into the inner space of the main case in the form of fine droplets using electric force due to a potential difference; And it provides a plant cultivation apparatus comprising a control unit for controlling the operation of the operation state of the electric injection module.

In this case, the electric injection module may include: an electric injection nozzle formed so that the nutrient solution supplied from the nutrient solution storage chamber flows in, a tip portion is formed at one end portion, and the nutrient solution is sprayed through the tip portion; An electrode plate disposed to be spaced apart from the tip of the electric injection nozzle at a predetermined interval and having a discharge hole formed at one side thereof; And a voltage supply device for applying a voltage such that a potential difference occurs between the electric injection nozzle and the electrode plate, wherein the nutrient solution supplied to the electric injection nozzle is applied by an electric force formed between the tip portion and the electrode plate. It may be sprayed in the state of fine droplets and discharged into the inner space of the main case through the discharge hole.

In addition, the electric injection module further includes an electric injection case formed to accommodate the electric injection nozzle and the electrode plate therein and disposed in the inner space of the main case, wherein the electric injection case includes an inner space of the electric injection case A blower fan may be installed to blow air into the air and discharge it through the discharge hole.

In addition, the electrode plate is disposed to be spaced apart from the top of the tip of the electric injection nozzle, and the electrode plate has an embossing portion formed to be curved in a concave shape toward the tip at a point vertically upward from the tip, and the discharge The hole may be formed in the center of the embossing part.

In addition, the electrode plate is disposed to be spaced apart from the top of the tip of the electric injection nozzle, and a separate insulating plate is mounted on the upper surface of the electric injection case to block the upper surface of the electrode plate outside, and the insulating plate goes toward the edge. It can be arranged to be inclined downward.

In addition, the control unit may control the operation so that the electric injection module operates at regular intervals.

In addition, the plant cultivation apparatus may further include a pressure injection module receiving the nutrient solution from the nutrient solution storage chamber and spraying the supplied nutrient solution into the inner space of the main case through pressure.

In addition, the pressure injection module may include: a supply pipe disposed in the inner space of the main case and formed to introduce a nutrient solution supplied from the nutrient solution storage chamber; And a pressure injection nozzle formed on one side of the supply pipe to upwardly inject the nutrient solution introduced into the supply pipe.

In addition, the control unit may control the operation so that the electric injection module operates at every first cycle, and the pressure injection module operates at a second cycle different from the first cycle.

In addition, a separate selection operation unit is provided so that the user can select the first operation mode and the second operation mode, and when the first operation mode is selected, the first cycle is longer than the second cycle by the control unit. It is set, and when the second operation mode is selected, the second period may be set longer than the first period by the control unit.

In addition, the selection operation unit is formed to select a separate third operation mode, and when the third operation mode is selected, the control unit operates the electric injection module every the first cycle for a time when the third operation mode is selected. It can be operated and the pressure injection module can be operated to stop operation.

In addition, the nutrient solution storage chamber is disposed inside the main case, and the electric injection module includes: an absorption member having one end disposed in the nutrient solution storage chamber and a tip portion formed at the other end to absorb the nutrient solution stored in the nutrient solution storage chamber; An electrode plate disposed to be spaced apart from the tip of the absorbent member and having a discharge hole formed at one side thereof; And a voltage supply device for applying a voltage to generate a potential difference between the nutrient solution stored in the nutrient solution storage chamber and the electrode plate, wherein the nutrient solution absorbed by the absorbing member is formed between the tip portion and the electrode plate. By spraying in the state of fine droplets, it may be discharged into the inner space of the main case through the discharge hole.

According to the present invention, by spraying and supplying the nutrient solution in the form of fine droplets using an electric injection module, the size of the nutrient solution particles is very fine and formed in an ionized state, thereby increasing the absorption amount and absorption rate for the roots of plants grown in the medium, and , In particular, since the floating time of the nutrient solution particles is increased, it is continuously absorbed by the roots of the plant, and accordingly, the amount that is discharged to the outside and discarded can be minimized, thereby enabling more efficient use and management.

In addition, the ionized fine droplets sprayed and supplied by the electric injection module perform a sterilization function by hydroxide ions (OH-), thereby performing a sterilization function for the space inside the main case. As well as inhibiting reproduction, it is possible to prevent the occurrence of moss and green algae, so there is an effect that can be managed more hygienically.

In addition, by allowing the nutrient solution to be additionally injected by a separate pressure injection module, the amount of nutrient solution supplied to the plant roots can be appropriately adjusted according to the needs of the user, and the operating state of the electric injection module and the pressure injection module can be adjusted. By controlling the operation in various ways, there is an effect that the nutrient solution supply function and the sterilization function can be simultaneously performed in an optimal state.

1 is a view conceptually showing the configuration of a plant cultivation apparatus according to an embodiment of the present invention,
2 is an enlarged view showing the configuration of the electric injection module of the plant cultivation apparatus shown in FIG. 1;
3 is a view for explaining the operating principle of the electric injection module according to an embodiment of the present invention,
4 is a view for explaining the operating principle of another form of the electric injection module according to an embodiment of the present invention;
5 is a view conceptually showing the configuration of a plant cultivation apparatus according to another embodiment of the present invention,
6 is a view conceptually showing the configuration of a plant cultivation apparatus according to another embodiment of the present invention,
7 is a functional block diagram functionally showing the configuration of the plant cultivation apparatus shown in FIG. 6.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to elements of each drawing, it should be noted that the same elements are assigned the same numerals as possible even if they are indicated on different drawings. In addition, in describing the present invention, when it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

1 is a diagram conceptually showing the configuration of a plant cultivation apparatus according to an embodiment of the present invention, FIG. 2 is an enlarged view showing the configuration of an electric injection module of the plant cultivation apparatus shown in FIG. 1, FIG. 3 is a view for explaining the operating principle of the electric injection module according to an embodiment of the present invention, Figure 4 is for explaining the operating principle of another form of the electric injection module according to an embodiment of the present invention It is a drawing.

The plant cultivation apparatus according to an embodiment of the present invention is a method of injecting nutrient solution using electric power, and controls the operation state of the main case 100, the electric injection module 400, and the electric injection module 400. It is configured to include a control unit 600.

The main case 100 may be formed in various forms in which an accommodation space is formed therein. For example, as shown in FIG. 1, the main case 100 is formed in a square box shape with an open upper surface, and a separate upper surface is provided on the open upper surface. The support plate 110 may be coupled. A plurality of mediums 120 capable of cultivating plants (E), respectively, are fixedly mounted on the upper support plate 110. In addition, a separate drain hole 101 may be formed in the lower portion so that moisture generated in the inner space can be discharged to the outside.

The electric injection module 400 receives the nutrient solution from a separate nutrient solution storage chamber 200 and injects the supplied nutrient solution into the inner space of the main case 100 in a micro droplet state by using an electric force due to a potential difference. In the electric injection module 400, a method using an injection nozzle and a method using an absorbing member may be applied. First, a method using an injection nozzle according to the method shown in FIGS. 1 to 4 will be described.

The electric injection module 400 is formed so that the nutrient solution supplied from the nutrient solution storage chamber 200 is introduced, and a tip portion 411 is formed at one end thereof, and an electric injection nozzle 410 in which the nutrient solution is sprayed through the tip portion 411. ), an electrode plate 430 disposed at a predetermined interval from the tip portion 411 of the electric injection nozzle 410 to form a discharge hole 431 on one side thereof, and the electric injection nozzle 410 and the electrode plate 430 ) It may be configured to include a voltage supply device 440 for applying a voltage to generate a potential difference between. The nutrient solution supplied to the electric spray nozzle 410 is sprayed in the state of fine droplets by the electric force formed between the tip portion 411 and the electrode plate 430, and passes through the discharge hole 431 of the electrode plate 430. It is discharged into the inner space of the main case 100.

In more detail, the electric injection nozzle 410 is configured to receive a nutrient solution from the nutrient solution storage chamber 200 and spray it in a state of fine droplets, and a flow path is formed so that the nutrient solution flows in, and a flow path toward the electrode plate 430 is formed. A tip portion 411 is formed at the upper end. The tip portion 411 may be configured such that a fine nozzle hole is formed at an end in the form of a cone-shaped nozzle block and nutrient solution is sprayed therethrough.

The structure for supplying the nutrient solution to the electric injection nozzle 410 will include a separate nutrient solution storage chamber 200 and a nutrient solution pump 300 supplying the nutrient solution from the nutrient solution storage chamber 200 to the electric injection nozzle 410. I can. The electric injection nozzle 410 is installed in communication with a separate supply pipe 420, and the nutrient solution pump 300 supplies the nutrient solution from the nutrient solution storage chamber 200 to the supply pipe 420, and to the supply pipe 420. The supplied nutrient solution flows into the plurality of electric spray nozzles 410 and is sprayed in the state of fine droplets by electric force from the tip portion 411. Here, the nutrient solution storage chamber 200 may be separately provided outside the main case 100, but may be separately provided in the inner space of the main case 100, or the lower space of the main case 100 without a separate partition It can also be utilized as a nutrient solution storage chamber 200 to store.

The electrode plate 430 may be formed of a metal, which is a conductive material, and is disposed upwardly spaced at a predetermined interval from the tip portion 411 of the electric injection nozzle 410. A discharge hole 431 is formed in the electrode plate 430 so that fine droplets P sprayed by electric force from the electric injection nozzle 410 are discharged.

At this time, the electric injection nozzle 410 may be mounted so as to be positioned at each of the plurality of lower portions of the plurality of badges 120, and the discharge hole 431 formed in the electrode plate 430 is the tip of the electric injection nozzle 410 ( In correspondence to the 411, a plurality may be formed so as to be respectively positioned on the vertical upper portion of the tip portion 411.

The voltage supply device 440 applies a voltage to generate a potential difference between the electric injection nozzle 410 and the electrode plate 430, and is connected to the electrode plate 430 and the electric injection nozzle 410 by wires, respectively, It may be configured to apply a high voltage to 430 and connect a ground power (ground power) to the electric injection nozzle 410. In this case, the electric injection nozzle 410 may not be directly connected to the voltage supply device 440 but may be simply configured to be connected to a ground power source. Of course, contrary to this, a high voltage may be applied to the electric injection nozzle 410 and a ground power may be connected to the electrode plate 430.

On the other hand, a high voltage or ground power may be connected to each of the plurality of electric injection nozzles 410, but since the plurality of electric injection nozzles 410 are all formed in one supply pipe 420, the voltage supply device 440 By connecting the electric wire to the supply pipe 420, high voltage or ground power may be simultaneously applied to the plurality of electric spray nozzles 410.

When a potential difference occurs between the electric injection nozzle 410 and the electrode plate 430 by the voltage supply device 440, an electric field is formed between the electric injection nozzle 410 and the electrode plate 430, and the electric injection nozzle The electric field is concentrated at the tip 411 of the 410. Accordingly, the nutrient solution supplied to the electric injection nozzle 410 changes to a state of fine droplets P by the electric force of the electric field formed between the tip portion 411 and the electrode plate 430 and is directed toward the electrode plate 430. Is sprayed. The fine droplets P sprayed toward the electrode plate 430 are discharged into the inner space of the main case 100 through the discharge hole 431 of the electrode plate 430.

For example, as shown in Figs. 2 and 3, when a high voltage is applied to the electrode plate 430 and ground power is applied to the electric spray nozzle 410, water flowing into the electric spray nozzle 410 is When moving to the tip portion 411 through the internal flow path, the electric field force generated between the electric injection nozzle 410 and the electrode plate 430 is concentrated on the tip portion 411 of the electric injection nozzle 410, so the concentrated electric field The nutrient solution is sprayed toward the electrode plate 430 at a strong speed while the nutrient solution changes to the state of the fine droplet P at the tip part 411 by force. The microscopic droplets P sprayed in this way are discharged into the inner space of the main case 100 through the discharge hole 431 of the electrode plate 430.

In this way, the size of the fine droplet P injected from the tip portion 411 of the electric injection nozzle 410 may vary depending on the size of the electric field, and the size of the potential difference by the voltage supply device 440 is appropriately adjusted. By doing so, the size of the fine droplet P can be formed at the level of nanoparticles. Even if it is not at the level of nanoparticles, it is possible to generate fine droplets P having a much finer size than the size of droplets sprayed through a spray nozzle of a general pressure method.

Since the principle and characteristics of the electric injection method are generally well known, further detailed descriptions are omitted herein.

As described above, the plant cultivation apparatus according to an embodiment of the present invention sprays the nutrient solution in the state of fine droplets P using the electric injection module 400, so that the size of the nutrient solution particles is different from the method using a general pressure injection nozzle. It is very fine and is more effectively absorbed by the roots of plants grown in the medium 120. In particular, the fine droplets P injected by the electric injection module 400 are formed in an ionized state by electric force, and the ionized fine droplets P are in the ground state, so the droplet adsorption force of the plant E This enhances the absorption rate and absorption rate for the plant (E). In addition, since these fine droplets (P) are very fine at the nano level and are not affected by their own weight, the floating time increases, and accordingly, the absorption rate for plants increases, and they fall by their own weight and are discharged to the outside. The amount of waste is significantly reduced.

In addition, since moisture is ionized by an electric field in the fine droplet P, hydroxide ions (OH-) are distributed on the surface of the fine droplet P. Since these hydroxide ions exert a sterilization function, when the nutrient solution is sprayed and discharged into the main case 100 in the state of fine droplets (P) using the electric injection nozzle 410 according to an embodiment of the present invention, the main The case 100 performs a sterilization function for the inner space, and accordingly, not only the propagation of bacteria inside the main case 100 is suppressed, but also the occurrence of moss and green algae can be prevented.

The electric injection module 400 may further include a separate electric injection case 470 to accommodate the electric injection nozzle 410 and the electrode plate 430 therein, and the electric injection case 470 is a main case ( 100) It is placed in the interior space.

A separate blowing fan 460 may be mounted on the electric injection case 470 to blow air into the inner space of the electric injection case 470 and discharge it through the discharge hole 431. As air is blown by the blowing fan 460, the fine droplets P sprayed from the tip 411 of the electric injection nozzle 410 toward the electrode plate 430 are discharged together with the blown air in the discharge hole 431 As a result, a larger amount of the fine droplets P are discharged through the discharge hole 431, so that the discharged amount of the fine droplets P increases and the absorption rate for plants increases.

In addition, an insulating plate 450 having a shape surrounding the upper surface of the electrode plate 430 may be disposed on a side opposite to the side surface of the electrode plate 430 toward the electric injection nozzle 410, that is, an upper surface. This protects the electrode plate 430 and prevents external contact, thereby ensuring electrical safety. Of course, an insulating plate discharge hole 451 communicating with the discharge hole 431 formed in the electrode plate 430 is formed in the insulating plate 450 to smoothly discharge the fine droplets P. In this case, the insulating plate 450 may be disposed to be inclined downward toward the edge portion as shown in FIG. 1, through which moisture or foreign matter discharged from the plant E may flow downward. In addition, although not shown, a separate foreign material blocking plate (not shown) may be disposed at a position spaced upward from the insulating plate 450 to prevent a foreign material from falling onto the insulating plate 450, and such a foreign material blocking plate The fine droplets P sprayed from the silver electric spray nozzle 410 may be formed in the form of a mesh plate in the form of a mesh so as to pass smoothly.

Meanwhile, as shown in FIG. 4, the electrode plate 430 has a curved upward protrusion from the tip 411 of the electric injection nozzle 410 to a point vertically upward (that is, in a concave shape toward the tip 411 ). The embossing portion 432 may be formed to be curved), and the discharge hole 431 may be formed in the center of the embossing portion 432.

When the embossing portion 432 is formed in the electrode plate 430 to be curved in a concave shape toward the tip portion 411, the electrode plate 430 affecting the electric field on the tip portion 411 of the electric injection nozzle 410 Since the opposing area of) is relatively increased compared to the flat plate type, the force of the electric field concentrated on the tip portion 411 is further increased. Accordingly, the injection amount of the fine droplets P sprayed from the tip portion 411 is increased, and the force of the electric field is further concentrated, so that the particle size of the fine droplets P may be formed more finely.

The control unit 600 controls the operation state of the electric injection module 400, for example, the operation may be controlled to operate by a predetermined operation time every predetermined period. That is, the operation may be controlled so that the fine droplets P are automatically sprayed for 10 minutes every 3 hours. The cycle and operation time may be set by the user, or when a specific mode is selected, the cycle and operation time corresponding to the mode may be set and controlled to operate.

In the above description, the electric injection module 400 has been described based on a method using an electric injection nozzle, but as described above, the electric injection module 400 may also be used in a method using an absorbing member. The electric injection module using such an absorbing member will be briefly described with reference to FIG. 5.

5 is a view conceptually showing the configuration of a plant cultivation apparatus according to another embodiment of the present invention.

As shown in FIG. 5, the electric injection module 400 ′ using an absorbing member has one end disposed in the nutrient solution storage chamber 200 so as to absorb the nutrient solution stored in the nutrient solution storage chamber 200 and the other end has a tip part 482 An absorbent member 480 is formed, an electrode plate 430 disposed at a predetermined interval from the tip portion 482 of the absorbent member 480 and having a discharge hole 431 formed at one side thereof, and a nutrient solution storage chamber 200 ), and a voltage supply device 440 for applying a voltage to generate a potential difference between the nutrient solution stored in the electrode plate 430 and the electrode plate 430. The nutrient solution absorbed by the absorbing member 480 is sprayed in the state of fine droplets P by the electric force formed between the tip portion 482 and the electrode plate 430, and the main case 100 is passed through the discharge hole 431. It is discharged into the inner space.

In this case, the nutrient solution storage chamber 200 is disposed in the inner space of the main case 100, and the absorbing member 480 is disposed so that the lower end of the nutrient solution storage chamber 200 is partially immersed in the nutrient solution storage chamber 200. The nutrient solution pump 300 for supplying the nutrient solution to the electric injection nozzle 410 is not required here, and a separate nutrient solution supply port 210 is external to the main case 100 so as to supply the nutrient solution to the nutrient solution storage chamber 200. It may be formed to be exposed, and may be applied in a manner that a user supplies a nutrient solution to the nutrient solution supply port 210 as needed.

Such an electric injection module 400 ′ includes an electrode plate 430 and a voltage supply device 440 in addition to the structure in which the electric injection nozzle 410 is changed to the absorbing member 480 compared to the electric injection module 400 described above. Since all are the same, the structure of the absorbent member 480 will be described here.

The absorbent member 480 is configured such that a lower end of the nutrient solution storage chamber 200 is disposed in the nutrient solution storage chamber 200 and a tip portion 482 is formed at the upper end thereof to absorb the nutrient solution W in the nutrient solution storage chamber 200. The absorbent member 480 is formed of a material having a very excellent water absorption function, and may be formed of, for example, a porous material including polyethylene.

The tip portion 482 of the absorbent member 480 is formed to be provided in plural. To this end, the absorbent member 480 may be configured in a form in which a plurality of unit absorbent rods (not shown) are provided. Each unit absorption rod is formed integrally extending from one tip portion 482 and a lower portion of the tip portion 482, and at least a portion thereof is immersed in the nutrient solution (W) in the nutrient solution storage chamber 200 to absorb the nutrient solution. It consists of a body part (not shown).

Unlike this, the absorbent member 480 may be configured in a form including one body portion 481 having a plurality of tip portions 482 protruding from the upper surface as shown in FIG. 5. At least a portion of the body portion 481 is disposed to absorb the nutrient solution by being immersed in the nutrient solution W in the nutrient solution storage chamber 200, and the body portion 481 and the tip portion 482 are integrally formed to have excellent water absorption function. Is formed.

In this way, when the absorbing member 480 is formed to have one body portion 481 and a plurality of tip portions 482, a larger amount of water can be absorbed through one body portion 481 having a relatively large size. Therefore, it is possible to increase the injection discharge amount of the fine droplets P sprayed from the tip part 482. In addition, since one body part 481 is relatively large, the amount of nutrient solution absorbed and stored through the body part 481 is increased, so that fine droplets P are stably sprayed and discharged from all of the plurality of tip parts 482 Can be.

At this time, a plurality of concave grooves 483 may be formed in one body portion 481 as shown in FIG. 5, and through this, the contact area with the nutrient solution W in the nutrient solution storage chamber 200 increases. , It can absorb more nutrient solution in a short time. Accordingly, even during the initial operation of the electric injection module 400 ′, water can be absorbed at a faster time to spray and discharge the fine droplets P, thereby exhibiting a stable operating state.

Meanwhile, the voltage supply device 440 applies a voltage so that a full position occurs between the nutrient solution in the nutrient solution storage chamber 200 and the electrode plate 430, and is connected to the electrode plate 430 through an electric wire. ) Can be configured to apply a high voltage. An electrode terminal (not shown) capable of contacting the nutrient solution W stored therein may be formed in the nutrient solution storage chamber 200, and the electrode terminal may be connected to the voltage supply device 440 through an electric wire. In this case, a high voltage is not applied to the nutrient solution W stored in the nutrient solution storage chamber 200 through the voltage supply device 440, but a ground power (ground power) may be connected. In this case, the electrode terminal in the nutrient solution storage chamber 200 may not be connected to the voltage supply device 440 but may be configured to be simply connected to a ground power source. On the other hand, contrary to this, a high voltage may be applied to the nutrient solution W stored in the nutrient solution storage chamber 200 through an electrode terminal, and a ground power may be connected to the electrode plate 430.

When a potential difference occurs between the nutrient solution W in the nutrient solution storage chamber 200 and the electrode plate 430 by the voltage supply device 440, absorption by absorbing the nutrient solution W in the nutrient solution storage chamber 200 An electric field is formed due to a potential difference in the space between the tip portion 482 of the member 480 and the electrode plate 430.

Therefore, the water absorbed by the absorbing member 480 changes to a state of fine droplets P by the electric force of the electric field formed between the tip portion 482 of the absorbing member 480 and the electrode plate 430, and the electrode plate It is sprayed towards 430. The fine droplets P sprayed toward the electrode plate 430 are discharged to the outside through the discharge hole 431 of the electrode plate 430.

Since the operation principle and the structure not described are the same as the configuration of the electric injection module 400 described in FIGS. 1 to 4, a detailed description will be omitted herein.

6 is a diagram conceptually showing a configuration of a plant cultivation apparatus according to another embodiment of the present invention, and FIG. 7 is a functional block diagram functionally showing the configuration of the plant cultivation apparatus shown in FIG. 6.

Plant cultivation apparatus according to another embodiment of the present invention may be configured to further include a separate pressure injection module (500).

The pressure injection module 500 is configured to receive the nutrient solution from the nutrient solution storage chamber 200 and inject the supplied nutrient solution into the inner space of the main case 100 through pressure. The pressure injection module 500 includes a supply pipe 510 disposed in the inner space of the main case 100 and formed so that the nutrient solution supplied from the nutrient solution storage chamber 200 flows in, as shown in FIG. 6, and a supply pipe It is formed on one side of the 510 and is configured to include a pressure injection nozzle 520 for spraying upwardly the nutrient solution introduced into the supply pipe 510. The pressure jet nozzle 520 is a general liquid jet nozzle that converts pressure energy into velocity energy and jets a liquid.

The pressure injection module 500 is disposed above the electric injection module 400 to inject the nutrient solution upward, and the nutrient solution injected from the pressure injection module 500 is supplied to the roots of plants grown in the medium 120. The nutrient solution injected from the pressure injection module 500 has a larger injection amount than the nutrient solution injected from the electric injection module 400 due to the characteristics of the injection method. Accordingly, the pressure injection module 500 and the electric injection module 400 may be appropriately combined and operated according to the type of plant to be grown.

Looking more closely, the pressure injection module 500 simply sprays nutrient solution to supply the roots of the plant, but the electric injection module 400 sprays nutrient solution and performs a sterilization function in addition to the function of supplying it to the roots of the plant. And, even if it is sprayed in a relatively small amount, the absorption rate and absorption rate are excellent, so the efficiency is excellent.

According to the characteristics of the pressure injection module 500 and the electric injection module 400, the control unit 600 controls the operation so that the electric injection module 400 operates every first cycle, and the pressure injection module 500 operates at a first cycle. It is possible to control the operation to operate every second cycle different from that.

More specifically, a separate selection operation unit 610 is provided so that the user can select the first operation mode and the second operation mode, and when the first operation mode is selected by the selection operation unit 610, the control unit 600 When the first cycle is set to be longer than the second cycle and the second operation mode is selected by the selection operation unit 610, the controller 600 may set the second cycle to be longer than the first cycle.

That is, when a relatively large amount of nutrient solution supply is required for the plant to be cultivated, the first operation mode is selected by the user, and in this case, the first cycle is set longer than the second cycle. Since the first cycle is set longer than the second cycle, the operation cycle of the pressure injection module 500 is shorter than the operation cycle of the electric injection module 400, and accordingly, the nutrient solution is sprayed more often by the pressure injection module 500. Therefore, compared to the second operation mode, the amount of nutrient solution supplied to the plant roots may be relatively larger. In this case, the nutrient solution injection by the electric injection module 400 focuses on the sterilization function rather than the function of supplying the nutrient solution to the root of the plant, and the nutrient solution supply function operates as an auxiliary function.

Conversely, when a relatively small amount of nutrient solution supply is required for the plant to be cultivated, the second operation mode is selected by the user, and in this case, the second cycle is set longer than the first cycle. Since the second cycle is set longer than the first cycle, the operation cycle of the pressure injection module 500 is longer than the operation cycle of the electric injection module 400, and accordingly, the nutrient solution is sprayed more frequently by the electric injection module 400. Therefore, compared to the first mode of operation, the amount of nutrient solution supplied to the plant roots may be relatively smaller. In this case, the nutrient solution injection by the electric injection module 400 is centered on both the function of supplying the nutrient solution to the roots of the plant and the sterilization function, and the nutrient solution injection by the pressure injection module 500 provides the nutrient solution supply to the plant roots. It performs the function of assisting.

On the other hand, the selection operation unit 610 is formed to select a separate third operation mode, and when the third operation mode is selected, the control unit 600 is the electric injection module 400 for a time when the third operation mode is selected. The operation may be controlled so that the operation is performed every first cycle and the pressure injection module 500 is stopped. That is, when the third operation mode is selected, the operation of the pressure injection module 500 that assists supplying the nutrient solution to the plant roots is stopped, and the nutrient solution supply and sterilization function to the plant roots is provided only by the operation of the electric injection module 400. All can be done. When the pressure injection module 500 is operated, as described in the background art, since phenomena such as bacterial propagation, moss, and green algae plant propagation may occur inside the main case 100, a third operation mode is separately provided to prevent this in advance. When selected, only the electric injection module 400 operates during the selected time period to perform the nutrient solution supply and sterilization functions, thereby sanitizing the interior space of the main case 100.

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the art to which the present invention pertains will be able to make various modifications and variations without departing from the essential characteristics of the present invention. Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain the technical idea, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

100: main case
120: badge
200: nutrient solution storage chamber
300: nutrient solution pump
400, 400': electric injection module
410: electric spray nozzle
411: tip
420: supply pipe
430: electrode plate
431: discharge hole
440: voltage supply
450: insulation plate
460: blower fan
470: electric spray case
480: absorbent member
500: pressure injection module
510: supply pipe
520: pressure injection nozzle
600: control unit
610: selection control panel

Claims (12)

A main case in which a medium capable of growing plants is fixedly mounted on the upper part;
An electric injection module receiving the nutrient solution from the nutrient solution storage chamber and injecting the supplied nutrient solution into the inner space of the main case in a micro droplet state by using electric force due to a potential difference;
A pressure injection module receiving the nutrient solution from the nutrient solution storage chamber and spraying the supplied nutrient solution into the inner space of the main case through pressure; And
A control unit for controlling operation of the electric injection module and the pressure injection module
Including, wherein the control unit controls the operation so that the electric injection module operates at every first cycle, the pressure injection module operates to operate at a second cycle different from the first cycle,
A separate selection operation unit is provided so that the user can select the first operation mode, the second operation mode, and the third operation mode,
When the first operation mode is selected, the first cycle is set longer than the second cycle by the control unit,
When the second operation mode is selected, the second period is set longer than the first period by the control unit,
When the third operation mode is selected, the control unit controls the operation so that the electric injection module operates every the first cycle and the pressure injection module stops operation for a time when the third operation mode is selected. Device.
The method of claim 1,
The electric injection module
An electric spray nozzle formed so that the nutrient solution supplied from the nutrient solution storage chamber flows in, a tip portion is formed at one end portion and the nutrient solution is sprayed through the tip portion;
An electrode plate disposed to be spaced apart from the tip of the electric injection nozzle at a predetermined interval and having a discharge hole formed at one side thereof; And
Voltage supply device for applying a voltage to generate a potential difference between the electric injection nozzle and the electrode plate
Including, wherein the nutrient solution supplied to the electric injection nozzle is injected in a state of fine droplets by an electric force formed between the electrode plate at the tip portion and discharged into the inner space of the main case through the discharge hole. Plant growing device.
The method of claim 2,
The electric injection module
Further comprising an electric injection case formed to accommodate the electric injection nozzle and the electrode plate therein and disposed in the inner space of the main case,
A plant cultivation apparatus, characterized in that the electric injection case is equipped with a blower fan that blows air into the inner space of the electric injection case and discharges it through the discharge hole.
The method of claim 3,
The electrode plate is disposed to be spaced apart from the top of the tip of the electric spray nozzle,
The electrode plate has an embossing portion formed to be curved in a concave shape toward the tip portion at a point vertically above the tip portion, and the discharge hole is formed in the center of the embossing portion.
The method of claim 3,
The electrode plate is disposed to be spaced apart from the top of the tip of the electric spray nozzle,
A separate insulating plate is mounted on an upper surface of the electric spray case to block the upper surface of the electrode plate externally, and the insulating plate is disposed to be inclined downward toward an edge portion.
delete delete The method of claim 1,
The pressure injection module
A supply pipe disposed in the inner space of the main case and formed to introduce a nutrient solution supplied from the nutrient solution storage chamber; And
A pressure spray nozzle formed on one side of the supply pipe to inject the nutrient solution flowing into the supply pipe upward
Plant cultivation apparatus comprising a.
delete delete delete The method of claim 1,
The nutrient solution storage chamber is disposed inside the main case,
The electric injection module
An absorption member having one end disposed in the nutrient solution storage chamber and a tip portion formed at the other end to absorb the nutrient solution stored in the nutrient solution storage chamber;
An electrode plate disposed to be spaced apart from the tip of the absorbent member and having a discharge hole formed at one side thereof; And
A voltage supply device for applying a voltage to generate a potential difference between the nutrient solution stored in the nutrient solution storage chamber and the electrode plate
Including, wherein the nutrient solution absorbed by the absorbing member is sprayed in a micro droplet state by an electric force formed between the tip portion and the electrode plate, and discharged into the inner space of the main case through the discharge hole. Plant growing device.

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