KR100816487B1 - Valve for micro bubble generator - Google Patents

Abstract

A valve for a micro-bubble generator is provided to generate smaller micro-bubbles even when a separate discharge nozzle is not used in a discharge line of the micro-bubble generator, remove the alien substances easily although an inner part of the valve is clogged by alien substances, and construct a valve with a simple structure at a low cost as compared with a conventional discharge nozzle. A valve(1) for a micro-bubble generator comprises: a body(10) having a flow path formed therein such that a fluid having micro-bubbles dissolved thereinto flows from one side of the flow path to the other side thereof; a mesh unit(20) having a plurality of through holes(24) formed therein to pass simultaneously the fluid, filter alien substances from the fluid, and finely break the micro-bubbles through the through holes; and a direction changing unit(30) connected to the mesh unit and projected to the outside of the body, wherein when the through holes are cut off by alien substances, the alien substances are removed from the through holes by a flow of the fluid by operating the direction changing unit such that positions of one face and the other face of the mesh unit are changed with each other.

Description

Valve for micro bubble generator

1 is a block diagram showing an example of a micro-bubble generating device according to the prior art,

2 is an exploded perspective view showing a discharge nozzle for a micro-bubble generating device according to the prior art,

3 is a cross-sectional view showing a discharge nozzle for a micro-bubble generating device according to the prior art,

4 is a perspective view showing an example of a valve for a microbubble generating device according to the present invention,

5 is an exploded perspective view showing an example of a valve for a micro-bubble generating device according to the present invention,

6 and 7 are cross-sectional views showing an example of a valve for a micro-bubble generating device according to the present invention, the operation state diagram showing the operating state of the valve,

8 and 9 are cross-sectional views showing another example of the valve for the micro-bubble generating device according to the present invention, the operation state diagram showing the operating state of the valve.

Explanation of symbols on the main parts of the drawing

1,1 ': valve 10: main body

11: inlet port 12: outlet port

13: Euro 14: communication port

15: stopper 20: mesh unit

21: rotating body 22: insertion hole

23: mesh plate 24: through hole

30: direction change unit 31: shaft

32: handle 33: locking jaw

40: coupling member 41: pipe connection screw

42, 43: O-ring member 50: direction change unit

51: shaft 52: projection

53: reducer 54: motor

55: control unit 56: first limit switch

57: second limit switch 58: hydraulic pressure detection unit

The present invention relates to a valve for a micro bubble generator.

In general, a micro-bubble generating device is to artificially generate microbubbles and to supply bubbles in water to increase the amount of dissolved oxygen.

Such microbubble generating devices have recently been applied in various fields such as sewage treatment plants, crop cultivation systems, bathtub systems, and medical devices, or are being prepared for future application. The microbubbles are used for massage effects, cleaning effects, skin treatment, and beauty treatment. As it can perform various functions such as effects, the demand for microbubble generating devices is increasing gradually to home.

As shown in FIG. 1, a conventional micro bubble generator includes a pump 110, a tank 120, a suction nozzle 100, and a discharge nozzle 130.

First, the pump 110 is connected to the inlet of the other end of the suction line 106, one end of which is branched into the liquid suction line 102, which is the liquid flow path in the reservoir 200, and the gas suction line 104, which is the atmospheric air flow path. The liquid in the air and the reservoir 200 is pumped and the air is dissolved in the liquid to be discharged through the discharge port.

The tank 120 receives liquid from the pump 110 through a supply line 122 connected to the upper side, has a plurality of ceramic balls 126 therein, and a discharge line 124 connected to the lower side thereof, and is made of synthetic resin. Is formed.

The suction nozzle 100 is connected to the other end of the liquid suction line 102 and sucks the liquid in the reservoir 200.

The discharge nozzle 130 is connected to the other end of the discharge line 124 and ejects the liquid stored in the tank 120 to the outside.

2 and 3, the discharge nozzle 130 has a seating groove 311 and a cap groove having a larger diameter than the seating groove 311 in the housing 310 of the discharge nozzle 130. 312) is formed.

The O-ring 320, the filter 330, the nozzle plate 340, the O-ring 35, and the mesh body 360 are sequentially mounted on the seating groove 311.

The filter 330 filters out suspended matter and debris (hereinafter, referred to as 'foreign material') in the liquid before being ejected to the outside. One or more jet holes 341 are formed in the nozzle plate 340.

As shown in FIG. 5, the space 361 is formed in the center of the mesh body 360, and meshes 362 and 363 are formed on both sides with the space 361 interposed therebetween. Multiple holes are formed in the meshes 362 and 363.

As described above, the O-ring 320, the filter 330, the nozzle plate 340, the O-ring 35, and the mesh body 360 are sequentially seated in the seating groove 311, and then the nozzle cap 370. One end of is combined.

A thread is formed on the outer circumferential surface of the nozzle cap 370, and is screwed with the thread formed on the inner surface of the seating groove 311.

One end of the nozzle cap 370 is coupled to the seating groove 311. One or more jet holes 371 are formed on the side surface of the nozzle cap 370.

O-ring 380 and the body cap 390 is coupled to the cap groove 312. The thread is formed on the inner surface of the body cap 390, and is screwed with the thread formed on the outer circumferential surface of the cap groove 312.

The body cap 390 is formed with a plurality of holes to eject the liquid having a micro bubble to the outside.

The mesh body 360 has a plurality of voids (ie, meshes), and bubbles dissolved in the liquid passing through the mesh body 360 become smaller and smaller bubbles due to the voids.

Here, the arrow of FIG. 4 shows the flow of the liquid in the discharge nozzle 130. As shown in FIG. The liquid containing microbubbles passes through the filter 330, the nozzle plate 340, and the mesh body 360 through the discharge line 124, and the housing 310 through the ejection hole 371 of the nozzle cap 370. After being ejected into the) is finally ejected to the outside through the body cap 390.

Fine bubbles mixed with air and liquid are more finely discharged by the mesh body 360 of the motor 120 and the discharge nozzle 130.

In addition, by increasing the flow velocity of the liquid passing through the mesh body 360, the size of the micro bubbles generated by the mesh body 360 is more fine, it is possible to generate a large number of bubbles.

However, when the discharge nozzle 130 according to the related art is used for a long time, foreign matters contained in the liquid are separated from the pores of the filter 330, the meshes 362 and 363 of the mesh body 360, and the body cap 390. By blocking the holes of the microbubble-containing liquid is not discharged properly, the filter 330, the pores of the mesh 362, 363 of the mesh body 360, and the body cap 390 Even if you want to remove the foreign matter blocking the hole of the user directly disassemble and assemble the discharge nozzle 130, the filter 330, the mesh 362, 363 of the mesh body 360, and the body cap 390 There was a very uncomfortable problem to remove foreign matter caught in the hole of the.

In addition, the conventional discharge nozzle 130 has a problem that the configuration is very complicated and the price is relatively expensive as described above.

Recently, various researches have been conducted to solve the problems of the discharge nozzle 130 as described above, but there is no alternative.

The present invention has been made to solve the above problems, it is possible to generate even smaller micro bubbles without using a separate discharge nozzle in the discharge line of the micro bubble generator, even if the inside is clogged by foreign matters It is an object of the present invention to provide a valve for a microbubble generating device that can easily remove foreign matters and is very simple in construction and inexpensive as compared with a conventional discharge nozzle.

According to an aspect of the present invention for achieving the above object, the main body having a flow path therein so that the fluid in which the micro-bubble is dissolved flows from one side to the other side; A mesh unit having a plurality of through-holes to pass through the fluid and to filter foreign matters from the fluid and to break the micro-bubbles finely; And a direction change unit connected to the mesh unit to protrude to the outside of the main body, and when the through holes are blocked by the foreign matter, the direction change unit so that the positions of one side and the other side of the mesh unit are changed to each other. It operates to remove the foreign matter from the through the flow of the fluid provides a valve for a micro-bubble generating device.

The mesh unit includes a rotating body having an insertion hole in the center and a mesh plate provided in the insertion hole and having the through holes.

The through holes are preferably circular or polygonal.

The redirection unit includes a shaft fixed to the mesh unit according to the first embodiment, the end of which protrudes through a communication port of the main body, and a grip handle coupled to the end of the shaft. Here, the handle has a locking jaw on the outer peripheral surface, the main body has a stopper on the outer peripheral surface of the communication port so as to correspond to the locking jaw.

The direction switching unit, the shaft is fixed to the mesh unit in the second embodiment through the communication port of the main body and the end is formed with a projection formed on the outer peripheral surface, the reducer coupled to the end of the shaft, And a motor for forward and reverse rotation to provide power, and first and second limit switches for generating a stop signal for limiting a rotation period of the motor in contact with the protrusion and transmitting the stop signal to the controller. A motor that receives a first stop signal from a limit switch and stops the motor rotating in a forward direction so that one surface of the mesh unit is in a reference position, and receives a second stop signal from the second limit switch and rotates in a reverse direction. Stop to control the other surface of the mesh unit to the reference position.

Here, the main body is connected to the pipe, the hydraulic pressure detection unit is further provided on the main body or the pipe to enable the detection of the hydraulic pressure, the control unit is provided with the hydraulic information from the hydraulic pressure detection unit so that the hydraulic information is the reference hydraulic information Only when it is determined that the through-hole is blocked due to a foreign material, it characterized in that the motor forward and reverse rotation.

Preferably, the fluid is water.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of a valve for a micro-bubble generating device according to the present invention.

4 is a perspective view showing an example of a valve for a micro-bubble generator according to the present invention, Figure 5 is an exploded perspective view showing an example of a valve for the micro-bubble generating device according to the present invention, Figures 6 and 7 It is sectional drawing which shows an example of the valve for micro bubble generators which concerns on this invention, and is an operation state figure which shows the operation state of a valve.

4 to 7, the microbubble generating device valve 1 according to the present invention includes a main body 10, a mesh unit 20, and the direction switching unit 30.

First, the main body 10 has a flow path 13 therein so that fluid in which microbubbles are dissolved flows from one side to the other side.

The fluid here is preferably water.

In the embodiment, the main body 10 is formed with an inlet port 11 and an outlet port 12 on one side and the other side, respectively, and a three-dimensional flow path 13 is formed therein.

The communication port 14 is formed in the main body 10.

The communication port 14 allows the shaft 31 of the redirection unit 30 described below to protrude to the outside of the main body 10.

In addition, the stopper 15 is formed on the outer circumferential surface of the communication port 14.

The stopper 14 corresponds to the locking step 33 of the direction change unit 30 described below.

In addition, the main body 10 is the coupling member 40, the O-ring members 42 and 43, and the pipe connection screw 41 are sequentially coupled to one side.

The coupling member 40 is screwed with the main body 10 to be coupled to the pipe connection screw 41, the O-ring members 42, 43 are to prevent the leakage of fluid flowing to the main body 10 side The pipe connection screw 41 is for firmly fixing the pipe constituting the discharge line (see '124' in FIG. 1) to the coupling member 40 side.

The mesh unit 20 has a plurality of through-holes 24 to pass through the fluid and at the same time to filter foreign matter from the fluid and to break the micro bubbles finely.

In an embodiment, the mesh unit 20 includes a rotor 21 and a mesh plate 23.

The rotating body 21 is generally spherical and has an insertion hole 22 in the center. The mesh plate 23 is inserted into the insertion hole 22 and has a plurality of through holes 24 in the entire surface.

In an embodiment, the apertures 24 are circular.

However, the through holes 24 may be made of a plane, that is, a polygon, surrounded by three or more straight lines having a higher friction and resistance than a circle so that the microbubbles dissolved in the fluid are more finely broken as the fluid passes as needed.

On the other hand, the direction switching unit 30 is connected to the mesh unit 20 is formed to protrude to the outside of the main body 10.

In an embodiment, the redirection unit 30 consists of a shaft 31 and a grip handle 32.

The shaft 31 is fixed to the rotating body 21 of the mesh unit 20 so that the end is protruded through the communication port 14 of the main body 10. And the handle 32 is coupled to the end of the shaft 31 through the fastener. The upper surface of the handle 32 may be displayed in the forward and reverse directions separately through a pattern.

Coupling portions of the shaft 31 and the handle 32 preferably have a polygonal shape of the same shape to each other in order to increase the force transmission force.

The handle 32 has a locking projection 33 on the outer circumferential surface.

The locking jaw 33 corresponds to the stopper 15 formed on the outer circumferential surface of the communication port 14 of the main body 10, and the handle 32 and the shaft 31 through the locking jaw 33 and the stopper 15. The rotating body 21 of the mesh unit 20 may rotate only between 0 ° and 180 °.

Operation of the microbubble generating device valve 1 according to the present invention, as shown in Figures 4 to 7, at least the valve (1) according to the present invention on the discharge line 124 of the microbubble generating device It is provided with one or more, and operates the microbubble generating device.

When the microbubble generator is operated in this way, the fluid in which the microbubbles are dissolved flows through the flow path 13 of the main body 10 through the inlet port 11 of the main body 10, and the mesh plate of the mesh unit 20. While passing through the through-hole 24 formed in the (23) is broken even more finely, and is discharged through the outlet port 12 of the main body (10).

The fluid in which the microbubble exiting the main body 10 is dissolved is finally discharged along the discharge line 124.

After the valve 1 is used for a long time, when the through holes 24 formed in the mesh plate 23 of the mesh unit 20 are blocked by foreign matters, as shown in FIG. 6, the mesh unit as shown in FIG. 7. At 20, the direction switching unit 30 is rotated from 0 ° to 180 ° so that the positions of one surface and the other surface of the mesh plate 23 are changed to each other.

As a result, foreign matter caught in the through holes 24 is naturally removed by the flow of the fluid, and the removed foreign matter is discharged along the discharge line 124.

The through-holes 24 formed in the mesh plate 23 of the mesh unit 20 are blocked by foreign matters when the user directly identifies the hydraulic sensing unit (not shown) installed in the discharge line or the fluid flow is not smooth. This can be determined.

Here, the hydraulic pressure sensing unit is preferably an analog or digital hydraulic system.

8 and 9 are cross-sectional views showing another example of the valve for the micro-bubble generating device according to the present invention, the operation state diagram showing the operating state of the valve.

As shown in Figures 8 and 9, the microbubble generating device valve 1 'according to the present invention includes a main body 10, the mesh unit 20, and the direction switching unit 50.

Since the main body 10 and the mesh unit 20 have the same configuration as the above-described embodiment, detailed descriptions of the main body 10 and the mesh unit 20 will be omitted here.

Meanwhile, the direction change unit 50 includes a shaft 51, a speed reducer 53, a motor 54, first and second limit switches 56 and 57, and a controller 55.

First, the shaft 51 is fixed to the mesh unit 20 and an end is protruded through the communication port 14 of the main body 10, and a protrusion 52 is formed on the outer circumferential surface thereof.

The reducer 53 is coupled to the end of the shaft 51.

The reducer 53 has a gear group (not shown) inside, and can adjust the reduction ratio appropriately according to the number of gears forming the gear group.

The motor 54 rotates forward and backward to power the reducer 53.

As the first and second limit switches 56 and 57 come into contact with the protrusions 52, a stop signal for limiting the rotation period of the motor 54 is generated and transmitted to the controller 55.

As shown, the first limit switch 56 is located on one side and the second limit switch 57 is located on the other side to face the first limit switch 56.

The first and second limit switches 56 and 57 serve to limit the rotation period of the motor 54 and the shaft 51 from 0 ° to 180 °, respectively.

The controller 55 receives the first stop signal from the first limit switch 56 to stop the motor 54 rotating in the forward direction so that one surface of the mesh unit 20 is at the reference position.

The controller 55 receives the second stop signal from the second limit switch 57 to stop the motor 54 rotating in the reverse direction so that the other surface of the mesh unit 20 is at the reference position.

In addition, the main body 10 of the valve (1 ') according to the present invention is connected to the discharge line 124, it is further provided with a hydraulic pressure sensing unit 58 to enable the detection of the hydraulic pressure on the discharge line (124). desirable.

Here, the hydraulic pressure sensing unit 58 is an analog or digital hydraulic system, and the hydraulic pressure sensing unit 58 may be provided in the main body 10 instead of the discharge line 124.

In the present invention, the controller 55 receives the hydraulic pressure information from the hydraulic pressure sensing unit 58 and determines that the through holes 24 are blocked by foreign matters only when the hydraulic pressure information exceeds the standard hydraulic pressure information. Let's do it.

The operation of the valve 1 'for the microbubble generating device according to the present invention, as shown in Figures 8 and 9, the valve 1' according to the present invention on the discharge line 124 of the microbubble generating device. At least one is provided, and operates the microbubble generating device.

When the microbubble generator is operated in this way, the fluid in which the microbubbles are dissolved flows through the flow path 13 of the main body 10 through the inlet port 11 of the main body 10, and the mesh plate of the mesh unit 20. While passing through the through-hole 24 formed in the (23) is broken even more finely, and is discharged through the outlet port 12 of the main body (10).

The fluid in which the microbubble exiting the main body 10 is dissolved is finally discharged along the discharge line 124.

After using the valve 1 'for a long time, as illustrated in FIG. 8, the through holes 24 formed in the mesh plate 23 of the mesh unit 20 are blocked by foreign matter, and the controller 55 is the hydraulic pressure sensing unit. When the hydraulic pressure information is received from the reference numeral 58 and the hydraulic pressure information exceeds the standard hydraulic pressure information, it is determined that the through holes 24 are blocked by the foreign matter, and the motor 54 is rotated as shown in FIG. 9.

At this time, the shaft 51 connected to the motor 54 is rotated in the reverse direction, so that the protrusion 52 is spaced apart from the first limit switch 56 and comes into contact with the second limit switch 57.

As a result, the second limit switch 57 generates a second stop signal and provides the second stop signal to the controller 55. The controller 55 stops the motor 54 that is rotated in the reverse direction by receiving the second stop signal. The other surface of the mesh unit 20 is controlled to be in the reference position.

On the other hand, if the through-holes 24 formed in the mesh plate 23 of the mesh unit 20 in the state of Figure 9 is blocked by foreign matter, the control unit 55 is provided with hydraulic information from the hydraulic pressure sensing unit 58 When the information exceeds the standard hydraulic information, it is determined that the through holes 24 are blocked due to the foreign matter, and the motor 54 is rotated forward as shown in FIG. 8.

At this time, the shaft 51 connected to the motor 54 is rotated in the forward direction, the projection 52 is spaced apart from the second limit switch 57 and in contact with the first limit switch 56.

Accordingly, the first limit switch 56 generates a first stop signal and provides the first stop signal to the controller 55, and the controller 55 receives the first stop signal and stops the motor 54 that rotates in the forward direction. The surface of the unit 20 is again controlled to be in the reference position.

The valve for the microbubble generating device according to the present invention can be widely used in the microbubble device having other configuration in addition to the microbubble generating device described in the prior art.

The present invention relates to a valve for a micro-bubble generating device, when the through-holes of the mesh unit is blocked due to the foreign matter, by operating the direction change unit to change the position of one side and the other side of the mesh unit through the foreign matter flow through the fluid flow Because it is removed from the field, even smaller microbubbles can be generated without using a separate discharge nozzle in the discharge line of the microbubble generating device, even if the through hole of the mesh unit is blocked by foreign matters, only by changing the direction of the mesh unit. The foreign matter can be easily removed, and compared with the conventional discharge nozzle, the configuration is very simple and inexpensive.

Claims (8)

A main body having a flow path therein so that the fluid in which the microbubbles are dissolved flows from one side to the other side; A mesh unit having a plurality of through-holes to pass through the fluid and to filter foreign matters from the fluid and to break the micro-bubbles finely; And It is connected to the mesh unit includes a direction change unit protruding out of the main body, When the through-holes are blocked by the foreign matter, by operating the redirection unit so that the position of one side and the other side of the mesh unit is changed to each other to remove the foreign matter from the through the flow of the fluid fine Bubble generator valve. The method of claim 1, The mesh unit, And a rotating body having an insertion hole in a central portion thereof, and a mesh plate provided in the insertion hole and having the through holes. The method according to claim 1 or 2, The through-holes are valves for microbubble generating device, characterized in that the circular or polygonal. The method of claim 1, The redirection unit, And a shaft fixed to the mesh unit, the end of which protrudes through a communication port of the main body, and a grip handle coupled to an end of the shaft. The method of claim 4, wherein The handle has a locking jaw on the outer circumferential surface, the main body has a stopper on the outer peripheral surface of the communication port so as to correspond to the locking jaw. The method of claim 1, The redirection unit, A shaft fixed to the mesh unit and having an end protruding through a communication port of the main body and having a protrusion formed on an outer circumferential surface thereof, a reducer coupled to an end of the shaft, and a motor rotating forward and backward to provide power to the reducer; A first and second limit switches for generating a stop signal for limiting a rotation section of the motor and transmitting the stop signal to the control unit in contact with the protrusion; The control unit receives a first stop signal from the first limit switch, stops the motor rotating in a forward direction, controls the one surface of the mesh unit to be in a reference position, and provides a second stop signal from the second limit switch. And stopping the motor rotating in the reverse direction so that the other surface of the mesh unit is controlled at a reference position. The method of claim 6, The main body is connected to the discharge line, the hydraulic detection unit is further provided on the main body or the discharge line to enable the detection of the hydraulic pressure, The control unit receives the hydraulic information from the hydraulic pressure sensing unit and determines that the through-holes are blocked due to foreign matters only when the hydraulic pressure information exceeds the standard hydraulic information, the micro-bubble generating device valve, characterized in that for rotating the motor . The method of claim 1, The fluid is a valve for microbubble generating apparatus, characterized in that the water.

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