KR101609667B1

KR101609667B1 - Plants growth liquid supply machine

Info

Publication number: KR101609667B1
Application number: KR1020150104238A
Authority: KR
Inventors: 민규영
Original assignee: 주식회사 대정골프엔지니어링
Priority date: 2015-07-23
Filing date: 2015-07-23
Publication date: 2016-04-06

Abstract

The present invention provides an apparatus for supplying plant growth liquid, the apparatus for supplying plant growth liquid comprising: a main body (10) including a booster pump (12) for supplying the plant growth liquid; a supply valve (20) coupled to the booster pump (12) and installed on a booster pump pipe (MP); and a control unit (14) which controls the amount of the plant growth liquid being supplied to the booster pump pipe (MP) through the booster pump (12) and the supply valve (20). The plant growth liquid is a pH adjustment agent, the booster pump (12) is installed on the main body (10) and comprises a booster pump (12) that supplies the pH adjustment agent, and the control unit (14) is configured to adjust the amount of the pH adjustment agent being introduced inside the booster pump pipe (MP) so as to control the pH of the liquid flowing in the pipe.

Description

Plants growth liquid supply machine

More particularly, the present invention relates to a plant growth fluid supply device, and more particularly, to a plant growth fluid supply device that adjusts the pH of a water (growth liquid) supplied to a plant to an appropriate range and replaces ionized calcium and magnesium disodium ions, To a new plant growth liquid supply apparatus capable of forming favorable conditions for growth of various plants such as grasses of golf courses.

In addition, the present invention relates to a new plant growth liquid supply apparatus which can supply the growth liquid (pH adjusting agent) necessary for lawn growth to the lawn without being refluxed.

The grass of the golf course is generally supplied with fertilizer for growth. The fertilizer feeder supplies fertilizer to the grass of the golf course to provide the nutrition brush necessary for the growth of the grass. On the other hand, water for growing is supplied to the grass of the golf course. It is also known that it is necessary to supply water to the grass, but it is necessary to adjust the pH of the water to help the optimum growth of the grass. Conventionally, there is a device for supplying a pH adjusting liquid to adjust the pH of the water. There is a device that feeds water mixed with water and growth solution to the soil of lawn by injecting the pH adjusting agent, which is a growth liquid, into the pipe by burping the pipe in the soil where the lawn is planted and forming a hole in the pipe.

In the past, problems such as increase of fertilizer usage, increase of water and herbicide usage, decrease of osmotic pressure, increase of water gauge due to poor water drainage, increase of surfactant usage due to dry spot, decrease of recovery rate against grass stress, . Previously, bicarbonate fixes calcium and magnesium, interferes with the movement of cations in the soil, and sodium is replaced by major ions, forming conditions that do not sustain the growth of turf in many ways.

On the other hand, there is a device in which water is supplied through a sprinkler installed in a golf course. At this time, there is a pressurizing pump chamber for turning the sprinkler. A branch pipe is connected to a pressurizing pump pipe in the pressurizing pump chamber. A sprinkler is connected to the branch pipe by a connecting means such as a hose. (Growth liquid).

Conventionally, when the growth liquid (pH chemical solution, putting gas, etc.) is supplied to the piping buried in the lawn soil, the pressure inside the pressurizing pump piping (MP) There is a problem that the growth liquid is backward flowing due to the pressure inside the plant, and leakage of the growth liquid occurs due to the reverse flow of the growth liquid, thereby deteriorating the surrounding environment where pH adjustment and putting are not necessary.

Korean Registered Utility Model No. 20-0179670 (registered on Feb. 2, 2000) Domestic Registration Utility Model No. 20-0393581 (Registered on August 17, 2005) Domestic registered patent No. 10-0453440 (registered on October 10, 2004)

DISCLOSURE OF THE INVENTION The present invention has been developed in order to solve the above-mentioned problems, and an object of the present invention is to provide a method for producing a water- It is possible to solve the problems such as increase of active agent usage, decrease of recovery speed against grass stress, failure of growth and bleaching of color, neutralization of bicarbonate, replacement of ionized calcium and magnesium with sodium ion, To provide a plant growth liquid supply device capable of forming a favorable condition for the growth of plants, especially grasses of golf course.

The present invention also provides a new plant growth fluid supply device capable of supplying the growth liquid (pH adjusting agent) necessary for lawn growth to the grass without backflow and preventing environmental pollution due to backflow of the growth liquid .

According to an aspect of the present invention, there is provided a main body having a pressurizing pump for supplying a plant growth fluid. A supply valve connected to the pressurizing pump and mounted on a pressurizing pump pipe; And a control unit for controlling the supply amount of the plant growth fluid supplied to the pressurization pump pipe through the pressurization pump and the supply valve.

Wherein the plant growth fluid is a ph chemical solution, and the pressurizing pump comprises a pressurizing pump mounted on the main body to supply the pH chemical solution, wherein the control unit controls the pH of the water flowing into the pipe, And the supply amount of the pH chemical liquid supplied to the pH adjuster is controlled.

And a pH measuring device provided in the main body for measuring a pH of the water flowing into the pressure pump pipe.

And a pH sample collecting valve installed in the pressurizing pump pipe, wherein the pH measuring device is connected to the pH sample collecting valve.

And a water sample line shutoff valve provided in the main body.

And a start / stop detection sensor provided in the main body, a pH discharge line air removing valve, a cleaning pump, a solution air removing device, and a pressure pump pipe.

Wherein the pump comprises a first putting gas pump and a second putting gas pump provided in the main body, and the control unit is configured to adjust a supply amount of a solution (putting gas) mixed into water flowing into the pipe .

The main body is further provided with a pump injection amount regulating device and an air removing and injecting check valve, and the pressurizing pump pipe is provided with a flow rate sensor connected to the pressurizing pump.

And the plant growth fluid pumped from the pressurizing pump is supplied through the sprinkler connected to the pressurizing pump pipe via the feed pipe.

And a check valve connected between the pressurizing pump pipe and the pressurizing pump for preventing the backward flow of the plant growth fluid from the pressurizing pump pipe toward the pressurizing pump.

Wherein the pressure valve is installed at an upper end of the pressure pump pipe and a part of the valve body extends a predetermined length from the upper side to the lower side of the pressurizing pump pipe, the valve body is provided with a growth liquid discharge hole, The hole is provided in an O-ring groove provided on an outer circumferential surface of the valve body, and O-rings are provided in the O-ring groove to close the growth solution discharge hole.

And a shield housing surrounding the periphery of the valve body which is inserted into the internal passage of the pressurizing pump pipe.

And the shield housing is provided with a chamfered open portion that exposes a portion of a lower side of the valve body on a surface opposite to a direction in which water flows into an internal passage of the pressure pump pipe.

In the present invention, the amount of the pH-adjusted chemical solution is adjusted through the supply valve provided in the pressurizing pump and the pressurizing pump pipe to mix the water with the water flowing into the pressurizing pump pipe to make the pH-adjusted water, Can be supplied to the grass of the golf course. Therefore, there is an advantage that the water which is most helpful for the growth of grass can be supplied by the water which is almost the same as the pH of the rainwater. That is, it is said that the pH of the water is adjusted to be equal to the pH of the rainwater, which is the best for the growth of turf. The present invention is meaningful in that the pH of the turf can be adjusted to the best.

In addition, in the present invention, the main feature is to prevent the water whose pH is controlled by the check valve from flowing backward in the pipe. Since the check valve prevents the external leakage of the pH adjusting agent, it is possible to prevent the pH adjusting agent from being contaminated in the surrounding environment, and to prevent waste of the pH adjusting agent.

Of course, the present invention has various effects in addition to the above effects, but the above-described effects are considered to be the main effects of the present invention.

1 is a front view showing the structure of an injection apparatus, which is an embodiment of a plant growth liquid supplying apparatus according to the present invention;
Figures 2 and 3 show a side view of Figure 1
4 is a perspective view showing a structure of a supply valve which is a main part of the present invention;
Fig. 5 is an exploded perspective view of Fig.
6 is a perspective view conceptually showing a process of installing the supply valve shown in Fig. 4 on a pressurizing pump pipe; Fig.
7 is a perspective view showing a state in which the supply valve shown in Fig. 6 is installed in a pressurizing pump pipe; Fig.
8 is a view conceptually showing a connected state of a pressurizing pump, a supply valve, and a pressurizing pump pipe of an injection apparatus according to an embodiment of the present invention.
9 is a view showing an injection device, a branch pipe and a sprinkler according to an embodiment of the present invention
10 and 11 are longitudinal sectional views showing the structure and operation state of the supply valve which is a main part of the present invention.
12 is a perspective view showing the structure of a modified embodiment of the supply valve which is a main part of the present invention
13 is a perspective view conceptually showing a process of installing the supply valve shown in Fig. 12 on a pressurizing pump pipe; Fig.
FIG. 14 is a view conceptually showing a connected state of the pressurizing pump of the injection device, the supply valve and the pressurizing pump pipe shown in FIG. 12, which is one embodiment of the present invention.
15 is a front view of the putting apparatus, which is another embodiment of the present invention
16 is a photograph showing one side of Fig. 15
17 is a photograph showing a rear view of Fig. 15
FIG. 18 is a side view schematically showing a state in which the first putting gas pump of the putting apparatus shown in FIG. 15 and the supply valve connected to the second putting gas pump are connected to the pressurizing pump pipe
19 is a view showing a putting apparatus, a branch pipe, and a sprinkler according to another embodiment of the present invention

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The objects, features and advantages of the present invention will be more readily understood by reference to the accompanying drawings and the following detailed description. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. For example, if a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, It is to be understood that other components may be "connected "," coupled "

The apparatus for supplying plant growth fluid according to the present invention comprises a main body 10 having a pressurizing pump 12 and a supply valve 12 connected to the pressurizing pump 12, And a control unit 14 for controlling the supply amount of the plant growth fluid supplied to the pressurizing pump pipe MP through the pressurizing pump 12 and the supply valve 20. The present invention further includes a check valve 30 provided between the supply valve 20 and the pressurizing pump 12 for preventing the backflow of the growth fluid from the pressurizing pump pipe MP toward the pressurizing pump 12 . On the other hand, the present invention can be applied to an injection for supplying a pH drug solution to a plant growth fluid and a purification method for supplying a solution (putting agent) other than the pH drug solution to the plant solution. Hereinafter, for convenience of explanation, the injection device and the putting device will be described separately.

The injection device of the present invention is constituted by the above-described pressurizing pump 12 (injection pump), the main body 10, the supply valve 20 and the control part 14 Quot;) as a basic configuration. The injection device also includes a pH measuring device PM, a cleaning pump CP, a water sample line automatic circuit breaker SB and a pH exhaust line air removal valve AV.

The main body 10 is provided with a pressurizing pump 12 for supplying a pH chemical solution (growth liquid) for growing grass. The growth liquid supplied from the injection device of the present invention is a pH chemical solution (pH adjusting agent). The chemical liquid tank is connected to the pressurizing pump 12, and the pH chemical liquid is pumped by the pressurizing pump 12 (injection pump) in the chemical liquid tank. The chemical liquid tank may be provided inside the main body 10 or may be installed at a place other than the main body 10. [ The chemical liquid tank and the pressurizing pump 12 are connected by a pipe or a tube.

The supply valve 20 is provided in a pressurizing pump pipe MP (main pipe) provided in a pressurizing pump chamber. A sprinkler 8 is connected to the branch pipe DP by a connecting means such as a hose or a pipe to connect the sprinkler 8 to the pressurizing pump pipe MP, Is connected to the pressurizing pump pipe MP.

The supply valve 20 may include a supply connection sleeve 22 and a supply valve 20 body 24.

The supply connection sleeve 22 is coupled to a valve connection hole formed in the pressurizing pump pipe MP. The supply connection sleeve 22 is fitted to the valve connection hole of the pressurizing pump pipe MP by a fixing means such as a separate grip ring which is provided on the inner and outer sides of the pressurizing pump pipe MP and is coupled to the supply connecting sleeve 22 . &Lt; / RTI > It is a matter of course that all of the means for fixing the supply connection sleeve 22 to the valve connection hole of the pressurizing pump pipe MP like the grip ring can be employed as the fixing means for the supply connection sleeve 22. On the other hand, a threaded portion is provided on the inner peripheral surface of the valve sleeve.

The valve body (24) is coupled to the supply connection sleeve (22). A structure in which the threaded portion provided on the outer circumferential surface of the valve body 24 is engaged with the threaded portion provided on the inner circumferential surface of the supply connection sleeve 22 so that the valve body 24 is connected to the valve connection hole of the pressurizing pump pipe MP Take it.

The valve body 24 is provided with a passage PS through which a pH chemical solution (pH adjusting agent) passes. In the present invention, a part of the lower side of the valve body 24 enters the inside of the pressurizing pump pipe MP, and a plurality of discharge holes 24H in the radial direction are inserted into the portion of the pressurizing pipe Respectively. The valve body 24 is provided with an O-ring groove 24G on an outer circumferential surface of a portion provided with the discharge hole 24H and an O-ring 24R is coupled to the O-ring groove 24G. Normally, the O-ring 24R blocks the discharge hole 24H of the valve body 24, and by the pressure that the pH chemical liquid is discharged through the discharge hole 24H of the valve body 24 by the pressure pump 12 The pH chemical solution flows into the interior of the pressurizing pump pipe MP through the discharge hole 24H of the valve body 24 blocked by the O-ring 24R, A water mixture containing water and a pH chemical solution passing through the inside, that is, a pH-adjusted water may be formed. In the present invention, the pH of the water is adjusted to about 5.5. When the pH of the water is adjusted to about 5.5, it is suitable for nutrient absorption.

According to the injection apparatus of the present invention having the above-described structure, water for plant growth is supplied to the grass through the sprinkler 8 via the branch pipe (DP) from the pressurizing pump pipe (MP). Herein, the term water refers to a chemical solution whose pH is adjusted by mixing water flowing into a pressurizing pump pipe (MP) with a pH chemical solution. That is, the pH chemical liquid is pumped from the pH chemical liquid tank by the pressurizing pump, the pH chemical liquid is injected into the pressurizing pump pipe MP through the supply valve 20, and the pH chemical liquid is supplied into the pressurizing pump pipe MP at a constant pressure The water is mixed with the flowing water to form a pH-adjusted water. The water is discharged through the sprinkler through the branch pipe, and the pH-adjusted water can be supplied to the grass of the golf course. As described above, the adjustment water can be supplied to the lawn through the sprinkler at a pH of about 5.5 so that the lawn is suitable for absorbing nutrients.

In the present invention, by adjusting the amount of the pH chemical solution injected through the supply valve 20 provided in the pressurizing pump and the pressurizing pump pipe (MP), the pH adjusted water is mixed with the water flowing into the pressurizing pump pipe (MP) The pH-adjusted water can be supplied to the plants, particularly to the grass of the golf course, so that it is possible to supply the water that is most beneficial to the growth of the grass by the water having the same pH as the rainwater. That is, it is said that the pH of the water is adjusted to be equal to the pH of the rainwater, which is the best for the growth of the grass (1). The present invention is meaningful in that the pH of the grass can be adjusted to the best.

Rainwater has a pH of about 5.5 and is suitable for nutrient absorption, and the bicarbonate can be neutralized. The ionized calcium, magnesium disodium ion is replaced, and the sodium ion away from the soil is leached. Therefore, rainwater is known to be good for grass. However, in view of the fact that the pH of the rainwater is good for the growth of grass, the pH solution is mixed with the water flowing into the pressurizing pump pipe (MP) to form a water having the same pH as the rainwater. This is significant because it can provide the best conditions for the growth of grass by rainwater by supplying to the grass.

The injection apparatus of the present invention also includes a control unit 14 for controlling the supply amount of the plant growth fluid supplied to the pressurizing pump pipe MP through the pressurizing pump 12 and the supply valve 20. That is, the plant growth fluid to be supplied from the intake apparatus is a ph chemical solution, and the pressurizing pump 12 is composed of a pressurizing pump 12 mounted on the main body 10 to supply a pH chemical liquid, (14) is configured to adjust the supply amount of the pH chemical liquid supplied into the pressurizing pump piping (MP) so as to set the pH of the water flowing into the piping. That is, in the present invention, the main body 10 is further provided with a control unit 14 for setting (setting) the pH of the water currently passing through the passage inside the pipe, and the pH of the water is automatically And it is more convenient and convenient to adjust the pH of the water by automatic control by the initial setting.

The pH measuring device is provided inside the main body. The pH measuring device may be connected by piping such as a hose between the water sample line and the pressurizing pump.

A pH sample collecting valve (PV) is installed on the side of the pressurizing pump pipe (MP). The pH sample collection valve (PV) can be connected to the sample line inlet port (IP) via a hose or other connection pipe. The sample line is connected to a pressurization pump and a pH measuring device, and a sample line inlet port (sample line IN) can be connected to the pH sample collection valve (PV) via a connector. In addition, the sample line outlet port (sample line OUT) comes out from one side of the pH measuring device, and the sample line outlet port can be connected to an external sample water reservoir (not shown) through a connection pipe or the like. When the pressurizing pump is pumped so as to be sucked in a direction opposite to the direction in which the pH chemical liquid is pumped toward the supply valve 20, the water in the pressurizing pump piping MP (i.e., the pH- A portion of which is sucked into the sample through a pH sampling valve (PV), and the pH measurement device measures the pH of the water. The pH of the water measured by the pH measuring apparatus is transmitted to the control unit 14 and the pH of the water supplied to plants such as lawn can be adjusted by controlling the pressurizing pump in accordance with the pH of the water in the control unit 14 . Therefore, the functions of the pH sample collection valve (PV) and the pH measuring device are also important.

In the present invention, a water sample line automatic circuit breaker is also provided. The water sample line automatic circuit breaker can be installed in the water sample line. After sampling a certain amount of pH adjusted water sample, the automatic water line sample line breaker is automatically closed to take an appropriate amount of sample water. It is expected that the effect of improving the accuracy of pH measurement and the speed of work by the pH measurement is expected. In the present invention, a water sample line short-circuited (SB) is provided between the water sample collecting valve and the pipe, and when a required amount of water sample is collected from the water sample collecting valve, the sample line automatic breaker blocks water sample collection.

In the present invention, a cleaning pump CP is provided. The cleaning pump CP is connected to the main press pump 12, the pH measuring device MP and the water sample line automatic circuit breaker SB via a cleaning line, The main parts can be cleaned by the cleaning pump CP, and various effects such as advantageous in the maintenance of the present invention can be expected due to periodic cleaning work.

Further, in the injection apparatus of the present invention, a pH exhaust line air elimination valve (AV) is provided. The pH chemical solution connecting line is connected to the pressurizing pump and the pH chemical solution inlet port (IP) and pH chemical solution outlet port (OP) of the pH chemical solution connecting line are connected to the pH chemical tank and the supply valve A pH exhaust line air removal valve (AV) may be provided on the connection line adjacent to the pH chemical solution outlet port in the pH chemical solution connection line. The pH exhaust line air elimination valve (AV) is opened for a short time when the pH chemical liquid flows smoothly into the supply valve (20) due to the air entering the pH chemical liquid connection line, It is possible to smoothly supply the chemical liquid toward the supply valve 20. Also, a solution air removing device AR is provided on the connection line adjacent to the pH chemical solution inlet port IP of the pH chemical solution connecting line to remove air from the pH solution by opening the solution air removing device AR. By removing the air from the pH solution, it is expected that the pH solution can be precisely adjusted and the pH adjustment accuracy can be improved while the pH solution is pumped toward the pressurizing pump and supplied to the supply valve 20 more smoothly.

In addition, the present invention may further include a start / stop detection sensor SE connected to the piping. The start / stop detection sensor SE automatically detects the start or stop of the injection device of the present invention, So that it can be performed automatically and smoothly.

The present invention can be expected to improve sensor technology, convenient multiple pH set points, reliability of technology, ease of use in golf courses near the shore, and golf course with high salinity.

The putting apparatus of the present invention is basically the same as the injection apparatus in that the pressure pump 12, the main body 10, and the supply valve 20 as described above are included in the basic configuration. Therefore, redundant description of the pressurizing pump, the main body, and the supply valve 20 will be omitted. The putting apparatus according to the present invention also allows the plant growth water to be supplied to the grass through the sprinkler 8 via the branch pipe (DP) from the pressurizing pump pipe (MP). At this time, the water in the putting gas means that water and solution (putting) are mixed in the pressurizing pump pipe (MP). The putting apparatus of the present invention includes a first putting gas pump 12 and a second putting gas pump 12 provided in the main body 10 and the control unit 14 includes a pressurizing pump pipe MP, And is configured to adjust the supply amount of the solution (putting gas) to be mixed into the water flowing into the inside.

In the putting apparatus of the present invention, the main body 10 is further provided with a pump injection amount regulating device PSV and an air removing and injecting check valve ADV. The pressurizing pump pipe MP is provided with a pressurizing pump 12 And a flow rate sensor FS connected to the flow rate sensor FS.

Any one of the two first and second deposition pumps 12 and 12 is optionally provided. The first and second puttation pumps 12 and 12 may be connected to a solution (putting) tank by a connecting pipe such as a hose.

The two supply valves 20 provided in the pressurizing pump pipe MP are respectively connected to the first and second puttation pumps 12 and 12 through a connection pipe such as a hose, One of the two supply valves 20 is also optionally provided.

The pump dosing regulator PSV is provided in both the first and second purge pumps 12 and 12 and the two pump dosing regulators PSV are connected to the pressure pump piping MP). &Lt; / RTI > When the first putting-gas pump 12 or the second putting-gas pump 12 is operated, the amount of the solution (in the case of the putting apparatus, the solution may be referred to as the plant-growing liquid) . Therefore, the amount of the solution mixed with the water flowing into the pressurizing pump pipe (MP) can be controlled, so that the solution ratio (proportioning ratio) of the water required for the growth of the plant can be adjusted. The water referred to in the purifying apparatus here means a chemical solution in which water and solution (putration) are mixed.

And a solution connecting line LL connected to the first and second puttation pumps 12 and 12 is provided. Solution Connections The inlet port (IP) (solution connection IN) and the solution connection outlet port (OP) (solution connection OUT) are connected to the solution (purge) tank and the supply valve (20) The solution is introduced into the solution connecting line LL by the operation of the first puttation pump 12 or the second putration pump 12 and is supplied into the pressurizing pump pipe MP through the supply valve 20 .

The air removal and injection check valve ADV is provided on the solution connection line LL. The air removal and injection check valve ADV removes the air entering the solution connection line LL when the solution is pumped by the first putting gas pump 12 or the second putration pump 12, And operates to supply an appropriate amount of the solution to the supply valve 20 side. The function of the air elimination and injection check valve (ADV) is important in that the solution removal rate and the supply amount of the solution can be adjusted by adjusting the solution supply rate in order to smooth the solution supply.

The flow rate sensor FS is provided in the pressurizing pump pipe MP and is connected to the control unit 14 in a circuit manner. The flow rate sensor FS senses the flow rate of the pressurizing pump pipe MP And the control unit 14 controls the operation of the first putting gas pump 12 or the second putting gas pump 12 by the flow rate sensing data so as to control the operation of the pressure pump pipe MP The amount of the solution (putting gas) to be mixed with the water of the solution can be adjusted. It is an important function of the flow sensor (FS) to adjust the supply ratio of the solution according to the flow rate in the pressurizing pump pipe (MP).

In addition, a transparent solution air removing and liquid inflow / outflow confirmation part (DSP) connected to the first putting gas pump 12 or the second putration pump 12 is provided in the main body. It is possible to check the air removal state of the solution by the solution air removal and the solution inflow and outflow confirmation part DSP and to check the inflow and outflow state of the solution. It is meaningful that the operation of the putting apparatus can be confirmed by checking the solution air removal and the liquid inflow and outflow confirmation unit (DSP) with a transparent transparent tube.

Also, in the case of the putting apparatus, it may further include a start / stop detection sensor SE connected to the pressurization pump pipe MP. The start / stop detection sensor SE may start or stop the putting apparatus by the start / So that the control operation can be performed automatically and smoothly.

Meanwhile, the supply valve 20 constituting the injection device and the putting apparatus according to the present invention is provided with a check valve 30. [ Hereinafter, the injecting device and the putting device will be collectively referred to as a plant growth fluid supplying device or the present invention. The pH drug solution supplied from the injection device and the solution (putting agent) supplied from the putting device will be referred to as a growth solution for convenience of explanation.

The check valve 30 is connected to the valve body 24 constituting the supply valve 20 and is opened when the growth liquid is supplied from the pump 12 and is returned to the valve body 24 side of the supply valve 20 To block the passage of the valve body (24).

The check valve 30 provided in the valve body 24 may have a check ball and a spring built in the housing. And a threaded portion provided on the housing is coupled to a threaded portion provided on the valve body. Therefore, it is possible to adopt a structure in which the check valve 30 is detachably coupled to the valve.

The housing is provided with flow holes communicated at the front and rear ends thereof. The flow hole includes a first flow hole extending a certain distance inwardly from one end of the housing and a second flow hole communicating with the other end of the housing in the first flow hole. The inner diameter of the second flow hole is larger than the inner diameter of the first flow hole. And a check ball and a spring may be embedded in the second flow hole. The spring pushes the check ball toward the first flow hole so that the first flow hole is blocked by the check ball. The first flow hole side is connected to the pressure pump 12 side and the second flow hole side is connected to the valve side.

The check valve 30 is closed when the back pressure of the pressurizing pump pipe MP is applied to the supply valve 20 due to the pressure of the pressurizing pump pipe and the supply valve 20 (That is, the water whose pH is adjusted by mixing the pH adjusting agent with water) toward the pressurizing pump 12 is prevented from flowing backward. That is, when the back pressure of the pressurizing pipe (MP) acts on the pressure pump pipe (MP) and the back pressure of the pressurizing pump pipe (MP) is applied to the supply valve (20), the check ball inside the check valve It prevents the backflow of the growth liquid (pH adjusting agent) toward the pressurizing pump 12 because it blocks the holes.

In the present invention, a check valve (30) is provided to prevent a regulated water or a solution (purge) whose pH is adjusted by mixing pH and water in a pressurizing pump pipe (MP) . pH controlled water is prevented from leaking out of the soil. It is possible to prevent the pH adjustment agent or the putration solution from polluting the surrounding environment due to the prevention of the external leakage of the pH solution or the solution (putting) due to the check valve 30, and to prevent the waste of the pH adjustment agent It is also very effective.

Meanwhile, in the present invention, the shield housing 40 is further provided on the outer circumferential surface of the portion of the valve body 24 that has entered the interior of the pressurizing pump pipe MP. The shield housing 40 prevents the O-ring 24R from being damaged from the pressure of the water flowing into the pressurizing pump pipe MP, and thus the life of the supply valve 20, which is the main part of the present invention, is further increased.

Preferably, the shield housing 40 is provided with a chamfered opening 42 on a surface opposite to the direction of the water flowing inside the pressurizing pump pipe MP, and is formed from the discharge hole of the valve body 24 through the chamfer development portion. The shielding housing 40 absorbs the impact that hits the O-ring 24R due to the impingement of the water in the pressurizing pump pipe MP due to the collision of the water in the pressurizing pump pipe MP, Thereby preventing the O-ring 24R from being damaged by the pressure inside the pressurizing pump pipe MP. The shield housing 40 is provided to protect the valve body and the O-ring portion of the supply valve 20 from a pressure of a considerably high water pressure inside the pressurizing pump pipe MP, thereby further increasing the service life of the supply valve 20, There is significant significance in that the liquor can be smoothly supplied into the pressurizing pump pipe (MP) without load resistance.

The specific embodiments of the present invention have been described above. It is to be understood, however, that the scope and spirit of the present invention is not limited to these specific embodiments, and that various modifications and changes may be made without departing from the spirit of the present invention. If you have, you will understand.

Therefore, it should be understood that the above-described embodiments are provided so that those skilled in the art can fully understand the scope of the present invention. Therefore, it should be understood that the embodiments are to be considered in all respects as illustrative and not restrictive, The invention is only defined by the scope of the claims.

10. Main body 12. Pressure pump
20. Supply Valve 22. Supply Connection Sleeve
24. Valve body 24H. Growth solution discharge hole
24G. O-ring groove 24R. O-ring
30. Check valve 40. Shield housing
42. Chamfer opening

Claims

A main body (10) having a pressurizing pump (12) for supplying a plant growth liquid;
A supply valve 20 connected to the pressurizing pump 12 and mounted to the pressurizing pump pipe MP;
A control unit 14 for controlling the supply amount of the plant growth fluid supplied to the pressurizing pump pipe MP through the pressurizing pump 12 and the supply valve 20;
And a check valve 30 connected between the pressurizing pump pipe MP and the pressurizing pump 12 to prevent the backward flow of the plant growth fluid from the pressurizing pump pipe MP toward the pressurizing pump 12 and,
The pressurizing valve is installed at the upper end of the pressurizing pump pipe MP so that a part of the valve body 24 extends a predetermined length from the upper side to the lower side of the pressurizing pump pipe MP, The growth liquid discharge hole 24H is provided in an O-ring groove 24G provided on the outer peripheral surface of the valve body 24 and the O-ring groove 24G is provided with an O-ring 24R Is provided to close the growth liquid discharge hole 24H,
Further comprising a shield housing (40) surrounding the valve body (24) entering the internal passage of the pressurization pump pipe (MP)
The shield housing 40 is provided with a chamfered opening 42 for exposing a part of the lower end of the valve body 24 on a surface opposite to a direction in which water flows into the internal passage of the pressurizing pump pipe MP Features a plant growth fluid feeder.

The method according to claim 1,
Wherein the plant growth fluid is a ph chemical solution and the pressurizing pump 12 is composed of a pressurizing pump 12 mounted on the main body 10 to supply the pH drug solution, (MP) supplied to the pressurizing pump pipe (MP) so as to set the pH of the water flowing into the pressurizing pump pipe (MP).

The method according to claim 1,
Further comprising a pH measuring device (PM) provided in the main body (10) for measuring the pH of the water flowing into the pressurizing pump pipe (MP).

The method of claim 3,
Further comprising a pH sample collection valve (PV) installed in the pressurization pump pipe (MP), wherein the pH measurement device (PM) is connected to the pH sample collection valve (PV).

The method according to claim 1,
And a water sample line automatic circuit breaker provided in the main body (10).

The method according to claim 1,
A pH discharge line air removing valve provided in the main body 10, a cleaning pump CP, a solution air removing device AR and a start / stop detection sensor SE (SE) provided in the pressurizing pump pipe MP, ); And the plant growth liquid supply device further comprises:

The method according to claim 1,
Wherein the pump comprises a first putting gas pump 12 and a second putting gas pump 12 provided in the main body 10 and the control unit 14 is connected to the inside of the pressurizing pump pipe MP Wherein the supply amount of the solution to be mixed into the water flowing into the plant growing liquid supply device is controlled.

The method according to claim 1,
The main body 10 is further provided with a pump injection amount adjusting device PSV and an air removal and injection check valve ADV. The pressure pump pipe MP is connected to a flow rate sensor FS The plant growth liquid supply device

The method according to claim 1,
Wherein the plant growth fluid pumped from the pressurizing pump (12) is supplied through a sprinkler connected to the pressurization pump pipe (MP) via a feed pipe.

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