KR102446082B1 - Ultrasonic Fluid Injection Module - Google Patents

Abstract

The present invention relates to a fluid injection module using ultrasonic waves, comprising: a housing; a vibrating element disposed inside the housing; and a vibration transmitting body disposed inside the housing and coupled to the lower side of the vibrating element, wherein both gas and liquid are ejected from the module or liquid is ejected through the space portion (R) in the module to provide more diverse spray patterns It is a fluid injection module using ultrasonic waves that improves uniform cleaning of objects and coating of fluids while forming.

Description

Ultrasonic Fluid Injection Module {Ultrasonic Fluid Injection Module}

The present invention relates to a fluid spray module using ultrasonic waves, and to an ultrasonic spray module for cleaning a surface or coating a fluid on a surface by spraying a fluid to an object with ultrasonic waves.

A batch-type method in which the substrate is put into the cleaning liquid and then discharged has been mainly used in the prior art, but recently, the cleaning liquid is thinly applied on the substrate to form a cleaning liquid layer, and then ultrasonic waves are applied to the cleaning liquid layer to increase cleaning efficiency. An ultrasonic cleaning apparatus and a cleaning system using the same are being used. In this case, cleaning using ultrasonic waves is performed by particle acceleration and a cavitation phenomenon of ultrasonic waves.

As a related technology, currently Korean Patent Publication No. 10-1551271 ("Using an ultrasonic cleaning device for preventing reflected waves and a cleaning system using the same," 2015.09.09. Announcement) is disclosed. The above technology will be briefly described with reference to FIG. 1 as follows. The ultrasonic cleaning device 1 has a vibrator 2 formed therein, and one or more vibration transmitting members 3 are disposed below the vibrator 2 to transmit ultrasonic waves to the object to be cleaned. And in the above technique, a cleaning solution is supplied to the object to be cleaned to form a cleaning solution layer, but cleaning may be performed by transmitted ultrasonic waves.

And recently, a module that integrates the above technology into one device has been developed, and as a related technology, Korean Patent Publication No. 10-1827296 (“Large-area ultrasonic cleaning device”, 2018.02.09. Announcement) is disclosed. However, the conventionally disclosed ultrasonic cleaning device module only sprays liquid, and does not include a cleaning function through gas. Accordingly, at present, ultrasonic cleaning technology and a module for simultaneously spraying liquid and gas are required.

KR 10-1551271 B1 ("Ultrasonic cleaning apparatus for preventing reflection and cleaning system using same") 2015.09.09. Announcement KR 10-1827296 B1 ("Large area ultrasonic cleaning device") 2018.02.09. Announcement

The present invention is devised to integrate ultrasonic wave, cleaning and fluid coating technology and liquid and gas spraying structure on one module, and it is an ultrasonic wave that can form various spray patterns of air while controlling the fluid more effectively. An object of the present invention is to provide a fluid ejection module using the same.

In order to achieve the above object, a fluid injection module using ultrasonic waves according to an embodiment of the present invention includes: a housing; a vibrating element disposed inside the housing; a first vibration transmission body disposed in the housing and coupled to a lower side of the vibration element; and a second vibration transmission member disposed below the first vibration transmission member, wherein an inner surface of the housing, an outer surface of the first vibration transmission member, and an extended surface of an upper surface of the second vibration transmission member may have a liquid therein The space portion R may be formed, and a liquid flow path may be formed so that the liquid is discharged downward through the space portion R.

In this case, the liquid flow path may include: a first liquid flow path passing through the housing and supplying a liquid to the space (R); and a second liquid flow passage that passes through the second vibration transmission member and ejects the liquid downward.

Here, the second liquid flow path may sequentially pass through the first and second vibration transmitting members and may be opened at the bottom surface of the second vibration transmitting member.

In addition, the present invention further includes a coupling housing coupled to the lower side of the housing, and the second vibration transmitting body may be disposed on the hollow of the coupling housing.

In addition, the present invention may further include a gas flow passage passing through the inner surface from the outer surface of the coupling housing.

In addition, the present invention may further include a gas supply device having a gas flow path formed therein so as to eject gas to the second vibration carrier.

In addition, the liquid flow path includes: a first liquid flow path for supplying a liquid to the space portion (R) through the housing; and a second liquid flow passage through which the liquid is ejected downward through the coupling housing, wherein the second liquid flow passage may eject the liquid to the second vibration carrier.

At this time, the second vibration transmission member is formed to have an inclined bottom surface, and the second liquid flow path may eject a liquid to the bottom surface of the second vibration transmission member.

In addition, one end of the opening of the second liquid passage opened into the space R may be formed at a point where the displacement of the generated ultrasonic wave is maximum.

In addition, the second liquid flow path may be formed in a plurality or annular shape.

In addition, a fastening part is formed on the side surface of the first vibration transmission body to be watertightly coupled to the inner surface of the housing, and cooling fluid enters and exits above the region where the fastening part is formed, and liquid enters and exits below the region where the fastening part is formed. , it may be formed to cool the vibration element and the first vibration transmission body.

In order to achieve the above object, a fluid injection module using ultrasonic waves according to another embodiment of the present invention includes: a housing; a coupling housing coupled to a lower side of the housing; a vibrating element disposed inside the housing; a vibration transmission body disposed inside the housing and coupled to a lower side of the vibration element; a liquid flow path for supplying and discharging liquid; and a gas flow path for supplying and ejecting gas; and a fluid supplied from the liquid flow path and the gas flow path may be mixed to form an air mass.

Here, the present invention further includes a compact formed to penetrate the upper surface of the housing, and the liquid flow path may be formed on the compact and extend to the lower end of the vibration transmitting body.

And the present invention is coupled to the lower end of the vibration transfer member from which the liquid is ejected, the pattern control cap for controlling the spray pattern of the spray liquid; may further include.

In addition, the liquid flow path and the gas flow path are formed to pass through the coupling housing, so that the liquid and the gas may be ejected on the outer surface of the vibration transmission member, respectively.

At this time, in the present invention, the bottom surface of the vibration transmission member is formed to be inclined, and the liquid flow path may eject a liquid to the bottom surface of the vibration transmission member.

In addition, the vibration transmitting body is formed in a multi-stage or curved shape, and the diameter is formed to be smaller toward the lower side, and the gas flow path may eject gas to the lower outer surface of the vibration transmitting member.

At this time, the vibration transmitting body is made up of a plurality and disposed in the vertical direction, and the lower portion of the vibration transmitting member disposed at the lowermost side may be formed in a multi-stage or curved shape.

In addition, the present invention further includes a spray nozzle coupled to the lower side of the coupling housing, the coupling housing and the spray nozzle may be formed to be detachably from each other.

At this time, the injection nozzle is coupled to the coupling housing, the nozzle body having a hollow formed therein; and a protrusion formed on the inner surface of the nozzle body and protruding inward, wherein the nozzle body has an inner surface divided into an upper inner circumferential surface and a lower inner circumferential surface above and below the area where the protrusion is formed, the upper and lower inner circumferential surfaces of the upper and lower inner circumferential surfaces The length and shape of the protrusion control the injection angle and shape of the liquid and gas sprayed, and the protrusion includes a first inclined part with one end extending from the lower end of the upper inner circumferential surface and the other end inclined toward the inside of the hollow. Including, the first inclined portion may be formed to guide the liquid and gas.

The fluid injection module using ultrasonic waves of the present invention according to the above-described configuration has the advantage that the module equipped with the vibration element sprays both gas and liquid to perform cleaning or fluid coating, and thus can be utilized in more diverse industries. And the present invention has the effect of being more easily installed and maintained by being included in one module.

In addition, the present invention has an advantage in that the space portion R is formed so that the inner upper portion of the housing is cooled through a cooling fluid, and the inner lower portion is cooled through a liquid, so that the efficiency is maintained even after using it for a longer period of time.

In addition, in the present invention, when the liquid supplied to the space R is introduced into the liquid passage at the point where the displacement is maximum and is injected from the module, the liquid is atomized at the end of the module by the compression and relaxation action of ultrasonic waves or The effect of pushing the fluid may also be generated. In addition, the present invention also has the advantage of easy control of the liquid intermittent and the amount of inlet through the space portion (R).

In addition, the present invention has the advantage of being able to implement various types of spray shapes by having a pattern control cap and a spray nozzle, and more easily control the spray angle and shape. And the pattern control cap and the injection nozzle are formed to be detachable from the housing or the vibration transmission body, so that the above-described effect can be further strengthened.

1 is a view showing an ultrasonic cleaning apparatus according to the prior art.
Figure 2 is a front cross-sectional view of the fluid injection module using ultrasonic waves according to the first embodiment of the present invention.
3 to 5 are front cross-sectional views of a fluid injection module using ultrasonic waves according to various modifications of the first embodiment of the present invention.
6 is a front cross-sectional view of a fluid injection module using ultrasonic waves according to a second embodiment of the present invention.
7 is an enlarged view of a main part of a front sectional view of a fluid ejection module using ultrasonic waves according to a second embodiment of the present invention;
8 is an enlarged view of a main part of a front sectional view of a fluid ejection module using ultrasonic waves according to a modified example of the second embodiment of the present invention.
9 is a bottom view of a fluid injection module using ultrasonic waves according to various modifications of the second embodiment of the present invention.
10 is a front cross-sectional view of a fluid injection module using ultrasonic waves according to a third embodiment of the present invention.
11 is an enlarged view of a main part of a front sectional view of a fluid injection module using ultrasonic waves according to a third embodiment of the present invention.

Hereinafter, a fluid injection module using ultrasonic waves according to various embodiments of the present invention and modifications thereof will be described in detail with reference to the accompanying drawings. The drawings introduced below are provided as examples in order to sufficiently convey the spirit of the present invention to those skilled in the art. Accordingly, the present invention is not limited to the drawings presented below and may be embodied in other forms. Also, like reference numerals refer to like elements throughout.

If there is no other definition in the technical and scientific terms used at this time, it has the meaning commonly understood by those of ordinary skill in the art to which this invention belongs, and the gist of the present invention is unnecessary in the following description and accompanying drawings Descriptions of known functions and configurations that may be blurry will be omitted.

<First embodiment>

FIG. 2 relates to a first embodiment of a fluid ejection module using ultrasonic waves according to the present invention, and FIG. 2 shows a front cross-sectional view of the fluid ejection module using ultrasonic waves.

Referring to FIG. 2 , the fluid injection module using ultrasonic waves of the present invention may include a housing 100 , a vibration element 200 , a vibration transmission body 300 , and a coupling housing 400 . And in the present invention, the liquid flow path 10 and the gas flow path 20 to which the liquid ( _LC ) and the gas ( _AC ) are supplied may be formed on the module. To explain this in more detail as follows.

In the present invention, the coupling housing 400 may be coupled to the lower side of the housing 100 , and the vibration element 200 may be disposed inside the housing 100 . And the vibration transmission body 300 may include a first vibration transmission body 310 and a second vibration transmission body 320, the first vibration transmission body 310 and the second vibration transmission body 320 is the housing 100 ) and may be disposed inside the coupling housing 400, respectively. Here, the present invention may be characterized in that a space portion R is formed in the housing 100 , wherein the space portion R is formed between the inner surface of the housing 100 and the outer surface of the first vibration transmission body 310 . can be For example, the space portion R is formed such that the diameter of the first vibration transmission body 310 becomes smaller toward the lower side, and the outer surface of the first vibration transmission body 310, the inner surface of the housing 100, and the coupling. It may be formed through the upper surface of the housing 400 .

Also, the liquid passage 10 may include a first liquid passage 11 and a second liquid passage 12 . At this time, the first liquid passage 11 may pass through the housing 100 , and the first liquid passage 11 may have one end open to the outside and the other end open to the space portion R. And the second liquid flow path 12 passes through the coupling housing 400, one end of the opening 12a is opened to the space portion (R) and the other end of the opening 12b is opened below this, the second vibration The liquid may be ejected to the delivery body 320 . In addition, the second vibration transmission body 320 is formed with an inclined bottom surface, and the other end opening 12b of the second liquid passage 12 is formed such that the liquid Lc is ejected to the bottom surface of the second vibration transmission body 320 . can be

Next, referring to the displacement distribution of the vibrator shown in FIG. 2 , the openings 12a and 12b of the second liquid passage 12 may be formed at the point where the displacement is maximum (maximum amplitude). Accordingly, the liquid L _C introduced by the compression and relaxation action of the ultrasonic waves is atomized at the other end opening 12b of the second liquid flow passage 12, or an extrusion effect of pushing the fluid downward may also be generated. . Here, the first vibration transmission body 310 may be formed to have a smaller diameter toward the bottom, and the opening 12a of one end of the second liquid flow path 12 may be formed to face the side surface of the first vibration transmission body 310 . have.

In the present invention, as described above, the gas flow path 20 for supplying the gas ( _AC ) may be formed, and the gas flow path 20 may be formed to pass through the coupling housing 400 . More specifically, the gas flow path 20 may penetrate from the outer surface of the coupling housing 400 and may be opened on the inner surface, and the gas _AC may be ejected to the outer surface of the second vibration transmission body 320 . have. Here, the coupling housing 400 is hollow, and the second vibration transmission body 320 is disposed on the hollow of the coupling housing 400 , the hollow inner surface of the coupling housing 400 and the second vibration transmission body A spaced space may be formed between the outer surfaces of the 320 . In addition, the gas (Ac) injected to the outer surface of the second vibration transfer member 320 may be configured to be guided linearly or spirally through the separation space. Accordingly, the gas (Ac) may be formed into an air by mixing with the liquid (Lc) described above.

The housing 100 may have a flow path through which the cooling fluid _LO is introduced to cool the vibration element 200 . And the first vibration transmission body 310 has a fastening part 311 formed on the outside so that it can be closely coupled to the inner surface of the housing 100, and on the fastening part 311, for sealing of a gasket (G), etc. More configurations may be included. In addition, the cooling fluid _LO flows in and out of the upper part with respect to the fastening part 311 to cool the vibration element 200 , and the liquid in the space part R in the lower part of the fastening part 311 . (L _C ) It may be configured to stay and cool the first vibration transmission body 310 .

3 to 5 are related to a first embodiment of the present invention of a fluid jetting module using ultrasonic waves, and FIGS. 3 to 5 are front cross-sectional views of the fluid jetting module using ultrasonic waves according to various modifications.

First, referring to FIG. 3 , the second liquid flow path 12 of the present invention may be formed to pass through the second vibration transmission body 320 . In one embodiment of the structure, the edge region of the lower surface of the first vibration transmitting body 310 is formed to be in contact with the upper surface of the coupling housing 400, and the lower surface of the first vibration transmitting body 320 is near the center. The second vibration transmission body 320 may be coupled. In this case, the second liquid flow path 12 may be formed to penetrate from the outer surface of the first vibration transmission body 310 and open at the bottom surface of the second vibration transmission body 320 . In addition, a gasket (G) is included in a portion where the first vibration transmission body (310) and the coupling housing (400) are in contact with each other to prevent leakage of the liquid (Lc).

Next, referring to FIG. 4 , the second liquid flow path 12 of the present invention is formed to pass through the coupling housing 400 , and the second liquid flow path 12 may be formed in a plurality or annular shape. In addition, the present invention may further include a gas supply device (D) having a gas flow path formed therein so as to eject the gas (Ac) to the second vibration transmission body (320).

In addition, the second vibration transmitting body 320 of the present invention may include a plurality of bodies having different diameters, including the upper body 321 and the lower body 322 . Here, the second vibration transmitting body 320 of the present invention is formed to have a relatively small diameter of the body disposed on the lower side, and may be configured in a multi-stage or curved shape. In addition, the second liquid passage 12 may eject a liquid to the lower outer surface of the second vibration transmission body 320 .

Referring to FIG. 5 , the bottom surface of the second vibration transmission body 320 of the present invention may be inclined in one direction, and the coupling housing 400 is opposite to the bottom surface of the second vibration transmission body 320 . A protrusion 401 protruding to the side may be formed at the lower portion. In addition, the second liquid flow path 12 may be configured such that one end of the opening 12a is formed on the upper surface of the coupling housing 400 , and the other end of the opening 12b is formed on the inner surface of the protrusion 401 . .

<Second embodiment>

FIG. 6 relates to a second embodiment of a fluid ejection module using ultrasonic waves according to the present invention, and FIG. 6 is a front sectional view of the fluid ejection module using ultrasonic waves.

Referring to FIG. 6 , in the fluid injection module using ultrasonic waves of the present invention, the housing 100 and the coupling housing 400 are fastened to each other to constitute a main body, and the vibration element 200 and the vibration transmission body 300 are inside the main body. ) may be arranged to generate ultrasonic waves. And the fluid ejection module using ultrasonic waves of the present invention includes a liquid passage 10 for supplying and ejecting liquid (Lc) and a gas passageway 20 for supplying and ejecting gas (Ac), the liquid (Lc) and It may be configured to spray the air fluid generated through the gas Ac to the object.

The housing 100 includes an upper case 110 and a side case 120, but may be configured in an open form, and the coupling housing 400 is coupled to the lower side of the housing 100 to form a main body. can be configured. At this time, the housing 100 and the coupling housing 400 may be detachably coupled to each other. And the housing 100 may be formed with a tube through which the cooling fluid Lo can flow in and out, and the present invention cools the vibration element 200 disposed therein through the cooling fluid Lo so that the efficiency is constant. It has the effect of maintaining the vibration element 200 and increasing the lifespan of the vibrating element 200 .

Here, the present invention may include a compact 130 penetrating the upper case 110 of the housing 100, and a liquid flow path 10 is formed on the compact 130 to extend downward. And the liquid flow path 10 penetrates the vibration transmission body 300 coupled to the lower side of the vibration element 200, is opened to the lower surface of the vibration transmission body 300, and can be made to eject the liquid Lc downward. .

In addition, the gas flow path 20 of the present invention is formed so as to penetrate from the outer surface to the inner surface of the coupling housing 400, and ejects the gas (Ac) to the lower portion of the vibration transmission body 300 disposed inside the coupling housing 400. can do. Here, the vibration transmitting body 300 is formed in a multi-stage or curved shape, the diameter is formed smaller toward the lower side, and the gas flow path 20 is a gas (Ac) on the lower outer surface of the vibration transmitting body 300 . can eject

In addition, the present invention may further include a spray nozzle 500 coupled to the lower side of the coupling housing (400). The injection nozzle 500 may have a protrusion formed therein to adjust the spray pattern of the liquid (Lc) and the gas (Ac), a more detailed description will be described later.

Next, referring to the displacement distribution of the vibrator shown in FIG. 6 , the vibration transmitting body 300 of the present invention may be configured such that the displacement of the ultrasonic wave is maximized at the lower end thereof, and thus the vibration transmitting body 300 is formed inside the The liquid ejected from the liquid flow path 10 may be atomized and sprayed.

7 is a second embodiment of the present invention, a fluid ejection module using ultrasonic waves, and FIG. 7 is an enlarged front sectional view of the fluid ejection module using ultrasonic waves.

Referring to FIG. 7 , the present invention is formed to penetrate from the outer surface of the coupling housing 400 to the inner surface of the liquid flow path 10 formed to penetrate the inside of the vibration transmitting body 300 and the vibration transmitting body as described above. It may be made to form an air flow through the gas flow path 20 for supplying gas to the outer surface of the 300 . Here, the gas ejected from the gas flow path 20 may be spirally rotated along the lower portion of the vibration transmitting body 300 and ejected downward.

At this time, in the present invention, the spray nozzle 500 for controlling the spray angle, direction, and pattern of the mixed liquid and gas may be coupled to the lower side of the coupling housing 400 . And, in the present invention, the injection nozzle 500 of various shapes and the coupling housing 400 are formed to be detachable, so that more various patterns can be implemented.

The injection nozzle 500 is formed on the inner surface of the nozzle body 510 and the nozzle body 510 having a hollow formed therein while being coupled to the coupling housing 400, and a protrusion 520 protruding to the inside. can Here, the inner surface of the nozzle body 510 is divided into an upper inner circumferential surface 511 and a lower inner circumferential surface 512 based on the area where the protrusion 520 is formed, and the upper inner circumferential surface 511 and the lower inner circumferential surface. It can be made to control the spray angle and spray shape that is ejected according to the vertical length of the 512 .

And the protrusion 520, one end extending from the lower end of the upper inner peripheral surface 511, the other end is inclined toward the inside of the hollow, the first inclined portion 521, the first inclined portion 521 and the lower A second inclined portion 522 connecting the inner circumferential surface 512 may be included. In this case, the first inclined part 521 may be formed to guide the mixed liquid and gas to control the spraying direction. In addition, it may be configured to control an angle according to a height difference between the lower end surface of the vibration transmitting body 300 and the protrusion 520 .

FIG. 8 relates to a modified example of the second embodiment of the fluid ejection module using ultrasonic waves according to the present invention, and FIG. 8 is an enlarged front sectional view of the fluid ejection module using ultrasonic waves.

Referring to FIG. 8 , the present invention may further include a pattern control cap 330 coupled to the lower surface of the vibration transmission body 300 , and according to a hollow shape formed in the pattern control cap 330 , a liquid flow path ( 10) may be configured to adjust the pattern of the liquid ejected. Here, the pattern control cap 330 is also made up of a plurality and each is provided in various hollow shapes. It may be formed to be replaced with the cap 330 . Accordingly, the present invention has the advantage of being able to implement more various patterns with one module.

FIG. 9 relates to a second embodiment of a fluid ejection module using ultrasonic waves according to the present invention, and FIG. 9 shows a bottom view of a fluid ejection module using ultrasonic waves according to various modifications. Here, FIGS. 9-(a) and 9-(b) show views related to before/after coupling of the pattern control cap 330 .

Referring to FIG. 9 , the liquid flow path 10 of the present invention may be opened in various shapes such as a circle, a polygon and an oval, and the pattern control cap 330 is also made of any one selected from a circle, a polygon and an oval. can

Assuming that the liquid flow path 10 is opened in a circular shape, the pattern control cap 330 may be hollow in a circular shape with a smaller diameter than the circular shape of the liquid flow path 10, or may be hollow in other shapes such as polygons or ovals. can And when the pattern control cap 330 is combined with the vibration transmission body 300, the spray pattern may be changed according to the hollow of the pattern control cap 330, and the liquid ejected may be finally formed by the pattern control cap 330 with a slit. In the case of being formed in the form of a fan, there is an advantage that a fan-shaped spray pattern can also be implemented.

<Third embodiment>

FIG. 10 relates to a third embodiment of a fluid ejection module using ultrasonic waves according to the present invention, and FIG. 10 shows a front sectional view of the fluid ejection module using ultrasonic waves.

Referring to FIG. 10 , in the fluid injection module using ultrasonic waves of the present invention, a housing 100 and a coupling housing 400 are fastened to each other to constitute a main body, and a vibration element 200 and a vibration transmitting body 300 are provided inside the main body. ) may be arranged to generate ultrasonic waves. And the fluid ejection module using ultrasonic waves of the present invention includes a liquid passage 10 for supplying and ejecting liquid (Lc) and a gas passageway 20 for supplying and ejecting gas (Ac), the liquid (Lc) and It may be configured to inject the air fluid generated through the gas Ac to the target object.

The housing 100 may have an open lower portion, and the coupling housing 400 may be coupled to the lower side of the housing 100 to form a body. At this time, the housing 100 and the coupling housing 400 may be detachably coupled to each other. In the present invention, a tube through which the cooling fluid Lo can flow may be formed on the housing 100, and the present invention cools the vibration element 200 disposed therein through the cooling fluid Lo. Thus, the efficiency is kept constant and the lifespan of the vibrating element 200 is increased.

And the vibration transmission body 300 includes a first vibration transmission body 310 coupled to the lower side of the vibration element 200 and a second vibration transmission body 320 coupled to the lower side of the first vibration transmission body 310. It may consist of a plurality. Here, the coupling housing 400 may be configured such that the central portion of the lower case 420 is penetrated so that the lower portion of the second vibration transmission body 320 is disposed.

The liquid flow path 10 and the gas flow path 20 of the present invention pass through the inner circumferential surface from the outer circumferential surface of the lower portion of the coupling housing 400, respectively, and provide the liquid (Lc) and the gas (Ac) to the second vibration transmission body 320 . can erupt At this time, the liquid flow path 10 is configured to eject the liquid Lc to the lower surface of the lower surface of the second vibration transmission body 320 , and the gas flow path 20 is a side surface of the lower portion of the second vibration transmission body 320 . It may be configured to eject a gas (Ac) to the Here, the lower surface of the second vibration transfer member 320 is inclined so that the liquid passage 10 faces the lower surface, or the opening of the liquid passage 10 is lower than the lower surface of the second vibration transfer element 320 . It may be arranged so that the liquid (Lc) ejected from the liquid flow path (10) is directed upward.

Here, looking at the displacement distribution of the vibrator, the first vibration transmission body 310 and the second vibration transmission body 320 are coupled to each other, but at the lower end of the second vibration transmission body 320, the displacement of the ultrasonic wave is the maximum. may be

And it may further include an injection nozzle 500 coupled to the lower side of the coupling housing 400, the injection nozzle 500 is a mixture of the liquid (Lc) and the gas (Ac) produced by mixing with each other. It can be made to more diversify the spray pattern. This will be described in more detail with reference to FIG. 11 .

11 is a third embodiment of the present invention, a fluid ejection module using ultrasonic waves, and FIG. 11 is an enlarged front sectional view of the fluid ejection module using ultrasonic waves.

11, the injection nozzle 500 is coupled to the lower case 420 of the coupling housing 400, the nozzle body 510 having a hollow formed therein and formed on the inner surface of the nozzle body 510. It may include a protrusion 520 protruding inward. Here, the inner surface of the nozzle body 510 is divided into an upper inner circumferential surface 511 and a lower inner circumferential surface 512 based on the area where the protrusion 520 is formed, and the upper inner circumferential surface 511 and the lower inner circumferential surface. According to the vertical length of 512, it may be configured to control the spray angle and spray shape of the jetted air.

And the protrusion 520, one end extending from the lower end of the upper inner peripheral surface 511, the other end is inclined toward the inside of the hollow, the first inclined portion 521, the first inclined portion 521 and the lower A second inclined portion 522 connecting the inner circumferential surface 512 may be included. At this time, it may be configured to control the spray angle and spray shape of the jetted air according to the angle of the first inclined part 521 .

In addition, the present invention is configured so that the liquid (Lc) is ejected to the lower surface of the second vibration transmission body (320) and discharged as a double fluid through the injection nozzle (500). Here, an area open to eject the liquid Lc may be disposed below an area open to eject the injection gas Ac.

As described above, the present invention has been described with specific matters such as specific components and limited embodiment drawings, but these are only provided to help a more general understanding of the present invention, and the present invention is not limited to the above one embodiment. No, various modifications and variations are possible from these descriptions by those of ordinary skill in the art to which the present invention pertains.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and not only the claims described below, but also all of the claims and all equivalents or equivalent modifications fall within the scope of the spirit of the present invention. something to do.

Ac : Gas C : Housing interior space
D : Gas supply device G : Gasket
Lc : Liquid Lo : Cooling Fluid
R: space part
10: liquid oil
11: first liquid flow path 12: second liquid flow path
20: gas flow path
100: housing 130: compact
200: vibration element
300: vibration transmission body
310: first vibration transmission body 311: fastening part
320: second vibration transmission body
321: upper body 322: lower body
330: pattern control cap
400: coupling housing 401: protrusion
410: side case 420: lower case
500: spray nozzle
510: nozzle body
511: upper inner peripheral surface 512: lower inner peripheral surface
520: protrusion
521: first inclined part 522: second inclined part

Claims (20)

housing;
a vibrating element disposed inside the housing;
a first vibration transmission body disposed in the housing and coupled to a lower side of the vibration element; and
a second vibration transmission member disposed below the first vibration transmission member;
includes,
The inner surface of the housing, the outer surface of the first vibration transmission body, and the extended surface of the upper surface of the second vibration transmission body form a space (R) in which the liquid can stay,
A fluid injection module using ultrasound, characterized in that the liquid flow path is formed so that the liquid is discharged downward through the space (R).
According to claim 1,
The liquid flow is
a first liquid flow passage for supplying a liquid to the space portion (R) through the housing; and
a second liquid passage passing through the second vibration transmission member and ejecting the liquid downward;
Fluid injection module using ultrasound, characterized in that it comprises a.
3. The method of claim 2,
The second liquid flow passage sequentially passes through the first and second vibration transmission members and is opened at the bottom of the second vibration transmission body.
According to claim 1,
a coupling housing coupled to a lower side of the housing;
further comprising,
The fluid injection module using ultrasonic waves, characterized in that the second vibration transmission body is disposed on the hollow of the coupling housing.
5. The method of claim 4,
a gas flow passage passing through the inner surface from the outer surface of the coupling housing;
Fluid injection module using ultrasound, characterized in that it further comprises.
5. The method according to any one of claims 1 to 4,
a gas supply device having a gas flow path formed therein to eject gas to the second vibration carrier;
Fluid injection module using ultrasound, characterized in that it further comprises.
5. The method of claim 4,
The liquid flow is
a first liquid flow passage for supplying a liquid to the space portion (R) through the housing; and
a second liquid flow passage for discharging the liquid downward through the coupling housing;
includes,
The second liquid flow passage is a fluid injection module using ultrasonic waves, characterized in that the liquid is ejected to the second vibration transfer body.
8. The method of claim 7,
The second vibration transmission body is formed with an inclined bottom surface,
The second liquid flow passage is a fluid injection module using ultrasonic waves, characterized in that the liquid is ejected on the bottom surface of the second vibration transmission body.
8. The method of claim 2 or 7,
One end of the opening of the second liquid passage opened to the space (R) is formed at a point where the displacement of the generated ultrasonic wave is maximum.
8. The method of claim 2 or 7,
A fluid injection module using ultrasound, characterized in that the second liquid flow path is formed in a plurality or annular shape.
According to claim 1,
A fastening portion is formed on a side surface of the first vibration transmission body to be watertightly coupled to the inner surface of the housing,
Cooling fluid enters and exits above the area where the fastening part is formed,
The liquid enters and exits the lower side of the region where the fastening part is formed,
A fluid injection module using ultrasonic waves, characterized in that the vibration element and the first vibration transmission body are cooled.
housing;
a coupling housing coupled to a lower side of the housing; and
a vibrating element disposed inside the housing;
a vibration transmission body disposed inside the housing and coupled to a lower side of the vibration element;
a liquid flow path for supplying and discharging liquid; and
a gas flow path for supplying and discharging gas;
includes,
The fluid supplied from the liquid flow path and the gas flow path is mixed to form an air mass,
a spray nozzle detachably coupled to the lower side of the coupling housing;
further comprising,
The spray nozzle is
a nozzle body coupled to the coupling housing and having a hollow therein; and
a protrusion formed on the inner surface of the nozzle body and protruding inward so that the upper surface is inclined toward the inside of the hollow;
Fluid injection module using ultrasound, characterized in that it comprises a.
13. The method of claim 12,
a compact formed to pass through the upper surface of the housing;
It is made by further including
The liquid flow path is formed on the compact and is a fluid injection module using ultrasound, characterized in that it extends to the lower end of the vibration transmission body.
14. The method of claim 13,
a pattern control cap coupled to the lower end of the vibration transmission body from which the liquid is ejected to adjust the spray pattern of the spray liquid;
Fluid injection module using ultrasound, characterized in that it further comprises.
13. The method of claim 12,
The liquid flow path and the gas flow path are formed to pass through the coupling housing, and the liquid and gas are respectively jetted to the outer surface of the vibration transmitting body.
16. The method of claim 15,
The bottom surface of the vibration transmission body is formed to be inclined,
The liquid flow passage is a fluid injection module using ultrasonic waves, characterized in that the liquid is ejected on the bottom surface of the vibration transmission body.
13. The method of claim 12,
The vibration transmitting body is formed in a multi-stage or curved shape, and the diameter is formed to be smaller toward the lower side,
The gas flow path is a fluid injection module using ultrasonic waves, characterized in that the gas is ejected to the lower outer surface of the vibration transmission body.
18. The method of claim 17,
The vibration transmitting body consists of a plurality and is disposed along the vertical direction,
A fluid injection module using ultrasound, characterized in that the lower part of the vibration transmitting body disposed on the lowermost side is formed in a multi-stage or curved shape.
delete 13. The method of claim 12,
The nozzle body has an inner surface divided into an upper inner circumferential surface and a lower inner circumferential surface above and below the area where the protrusion is formed, the vertical length of the upper inner circumferential surface and the lower inner circumferential surface, and the injection angle and shape of the liquid and gas sprayed in the shape of the protrusion control,
The protrusion includes a first inclined part, one end extending from the lower end of the upper inner peripheral surface, and the other end inclined toward the inside of the hollow, and the first inclined part guides the liquid and gas. fluid dispensing module.

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