NEBULIZATION DEVICE WITH SPRAY ORIFICE PLATE

Abstract

Disclosed is a nebulization device with a spray orifice plate including an energy transfer element, a spray orifice plate and a driving element. The energy transfer element has at least one first penetrating hole for inputting a liquid from a side and the spray orifice plate is installed on at least one side of the energy transfer element for sealing the first penetrating hole, and the energy transfer element supports the spray orifice plate, and the spray orifice plate has at least one stepped orifice formed at a position corresponding to the first penetrating hole and serves as a transportation channel of the liquid, so that the liquid can be temporarily stored in the stepped orifice and sprayed out through the through hole after vibration and nebulization in order to improve the nebulization effect significantly.

Claims

1. A nebulization device with an improved spray orifice plate, comprising: an energy transfer element, with two sides defined as an inlet side and an outlet side, and having at least one first penetrating hole formed on the energy transfer element; a spray orifice plate having a first surface and an opposite second surface and the first and second surfaces are circular and identical in radius, and the first and second surfaces are entirely flat, and the energy transfer element supports the spray orifice plate, and the spray orifice plate has a plurality of evenly distributed stepped orifices formed between the first surface and the second surface corresponding to a position corresponding to the first penetrating hole and serves as a transportation channel of a liquid, wherein each stepped orifice has a first groove and at least one through hole, and the through hole is disposed in the first groove to make the cross-section of each stepped orifice into a one-step configuration, and the through hole and the first groove is an integrated structure within the spray orifice plate, wherein the plurality of stepped orifices penetrate the spray orifice plate from the first surface to the second surface, wherein the spray orifice plate receives the liquid at the first surface and the liquid later passes through the spray orifice plate via the plurality of stepped orifices; and a driving ring at the outlet side of the energy transfer element, and the driving ring provides the vibration energy required by the energy transfer element so as to vibrate the spray orifice plate after the driving ring is provided with power, such that the liquid received by the spray orifice plate is temporarily stored in the plurality of stepped orifices, and then vibrated and nebulized to be sprayed out from the second surface through the plurality of stepped orifices, wherein the spray orifice plate is made of a macromolecular polymer compound, wherein the energy transfer element, the spray orifice plate and the driving ring are in a sandwiched arrangement.

2. The nebulization device with an improved spray orifice plate according to claim 1, wherein the driving ring has a second penetrating hole formed thereon, and the second penetrating hole has a diameter greater than or equal to the diameter of the first penetrating hole.

3. The nebulization device with an improved spray orifice plate according to claim 1, wherein the macromolecular polymer compound is a single material and is selected from the collection of polyimide, polyethylene (PE), polypropylene (PP) and polyether ether ketone (PEEK).

4. The nebulization device with an improved spray orifice plate according to claim 1, wherein the first and second surfaces of the spray orifice plate are entirely flat except at the plurality of stepped orifices.

5. The nebulization device with an improved spray orifice plate according to claim 1, wherein the first groove and the through hole have a depth ratio falling within a range from 1:1 to 4:1.

6. The nebulization device with an improved spray orifice plate according to claim 1, wherein the through hole is a conical hole.

7. The nebulization device with an improved spray orifice plate according to claim 1, wherein the stepped orifice further includes a second groove, and the second groove is disposed in the first groove, and the through hole is disposed in the second groove to make the cross-section of the stepped orifice into a two-step configuration.

8. The nebulization device with an improved spray orifice plate according to claim 1, wherein surface area of the first and second surfaces are identical.

9. The nebulization device with an improved spray orifice plate according to claim 1, wherein a diameter of the first and second surfaces are identical.

10. The nebulization device with an improved spray orifice plate according to claim 1, wherein the energy transfer element is a single-piece structure made of metal.

11. The nebulization device with an improved spray orifice plate according to claim 1, wherein the energy transfer element is ring-shaped.

12. The nebulization device with an improved spray orifice plate according to claim 1, wherein the first and second surfaces of the spray orifice plate are flat continuously.

13. The nebulization device with an improved spray orifice plate according to claim 1, wherein the spray orifice plate is clamped between the energy transfer element and the driving ring.

14. The nebulization device with an improved spray orifice plate according to claim 1, wherein the energy transfer element is clamped between the spray orifice plate and the driving ring.

15. The nebulization device with an improved spray orifice plate according to claim 1, wherein sidewalls of the first groove and the through hole are continuous.

16. The nebulization device with an improved spray orifice plate according to claim 1, wherein degrees of inclination of a sidewall of the through hole and a bottom of the first groove are different.

17. The nebulization device with an improved spray orifice plate according to claim 1, wherein the stepped orifice is substantially conical.

18. The nebulization device with an improved spray orifice plate according to claim 1, wherein degrees of inclination of sidewalls of the first groove and the though hole are different.

19. The nebulization device with an improved spray orifice plate according to claim 1, wherein a diameter of an upper portion of the first groove is larger than that of a lower portion of the first groove, wherein the upper portion is closer to the first surface than the lower portion.

20. The nebulization device with an improved spray orifice plate according to claim 1, wherein the energy transfer element is pushed against the spray orifice plate.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0014] FIG. 1 is a top view of a first preferred embodiment of the present invention;

[0015] FIG. 2 is a cross-sectional view of the first preferred embodiment of the present invention;

[0016] FIG. 3 is a schematic view of a first implementation mode of a spray orifice plate in accordance with the first preferred embodiment of the present invention;

[0017] FIG. 4 is a schematic view of a second implementation mode of a spray orifice plate in accordance with the first preferred embodiment of the present invention;

[0018] FIG. 5 is a schematic view of a third implementation mode of a spray orifice plate in accordance with the first preferred embodiment of the present invention;

[0019] FIG. 6 is a schematic view of a fourth implementation mode of a spray orifice plate in accordance with the first preferred embodiment of the present invention;

[0020] FIG. 7 is a top view of a spray orifice plate in accordance with a second preferred embodiment of the present invention;

[0021] FIG. 8 is a cross-sectional view of a spray orifice plate in accordance with the second preferred embodiment of the present invention;

[0022] FIG. 9 is a top view of a spray orifice plate in accordance with a third preferred embodiment of the present invention;

[0023] FIG. 10 is a cross-sectional view of a spray orifice plate in accordance with the third preferred embodiment of the present invention; and

[0024] FIG. 11 is a schematic view of a spray orifice plate in accordance with another implementation mode of the first preferred embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0025] The technical content of the present invention will become apparent with the detailed description of preferred embodiments and the illustration of related drawings as follows.

[0026] With reference to FIGS. 1 to 6 for a top view, a cross-sectional view, and different implementation modes of a nebulization device with a spray orifice plate in accordance with the first preferred embodiment of the present invention respectively, the nebulization device with a spray orifice plate 1 comprises an energy transfer element 11, a spray orifice plate 12 and a driving element 13.

[0027] Wherein, the energy transfer element 11 is a ring structure made of metal and has an inlet side 111 and an outlet side 112 defined on both sides, and the energy transfer element 11 further has a first penetrating hole 113 for inputting a liquid 2 from the inlet side 111.

[0028] The spray orifice plate 12 is made of a macromolecular polymer selected from the collection of polyimide, polyethylene (PE), polypropylene (PP) and polyether ether ketone (PEEK), and the spray orifice plate 12 is installed on a side of the energy transfer element 11 for sealing the first penetrating hole 113. The energy transfer element 11 supports the spray orifice plate 12, and the spray orifice plate 12 has at least one stepped orifice 121 formed at a position corresponding to the first penetrating hole 113 to serve as a transportation channel of the liquid 2. The stepped orifice 121 has a first groove 1211 and at least one through hole 1212, wherein the first groove 1211 is disposed on a side of the spray orifice plate 12 opposite to the inlet side 111, and the through hole 1212 is disposed in the first groove 1211 to make the cross-section of the stepped orifice 121 into a one-step configuration. It is noteworthy that the first groove 1211 has a shape selected from the collection of circular, rectangular, strip, star and cross shapes, and the first groove 1211 and the through hole 1212 have a depth ratio falling within a range from 1:1 to 4:1. Due to the manufacturing process, the through hole 1212 is substantially a conical hole. With reference to FIG. 11 for another preferred embodiment, the through hole 1212 has a shape of a C-shaped ring.

[0029] The driving element 13 is also a ring structure having a second penetrating hole 131 formed at the center of the driving element 13, and the second penetrating hole 131 has a diameter greater than or equal to the diameter of the first penetrating hole 113. The driving element 13 is installed on a side of the energy transfer element 11, and the spray orifice plate 12 is clamped between the energy transfer element 11 and the driving element 13, such that the vibration energy required by the energy transfer element 11 can be provided after the driving element 13 is provided with power. The liquid 2 passing through the first penetrating hole 113 is temporarily stored in the stepped orifice 121, and then vibrated and nebulized, and finally sprayed out from the outlet side 112 through the through hole 1211.

[0030] With reference to FIG. 3 for a schematic view of a first implementation mode of a spray orifice plate in accordance with the first preferred embodiment of the present invention, the spray orifice plate 12 has a circular stepped orifice 121 formed at the center position of the spray orifice plate 12, and the stepped orifice 121 only has one groove 1211 and one through hole 1212, and the groove 1211 and the through hole 1212 are arranged concentrically with each other. In FIG. 4, the spray orifice plate 12 also has a circular stepped orifice 121 formed at the center position of the spray orifice plate 12, and the stepped orifice 121 has one groove 1211 and a plurality of through holes 1212, wherein the through holes 1212 are distributed evenly in the groove 1211. In FIG. 5, the spray orifice plate 12 has a plurality of circular stepped orifices 121, and each stepped orifice 121 has one groove 1211 and one through hole 1212, and the through hole 1212 of each groove 1211 is concentrically arranged. In FIG. 6, the spray orifice plate 12 has a plurality of circular stepped orifices 121, and each stepped orifice 121 has one groove 1211 and a plurality of through holes 1212, wherein the through holes 1212 are distributed evenly in the groove 1211.

[0031] With reference to FIGS. 7 and 8 for a top view and a cross-sectional view of a spray orifice plate in accordance with the second preferred embodiment of the present invention respectively, a nebulization device with a spray orifice plate 3 of the second preferred embodiment also comprises an energy transfer element 31, a spray orifice plate 32 and a driving element 33, wherein the structure and assembling process of the energy transfer element 31 and the driving element 33 are the same as those described in the first preferred embodiment, and thus will not be repeated. The major difference between the first and second preferred embodiments resides on that the spray orifice plate 32 has one stepped orifice 321 or a plurality of stepped orifices 321, and the quantity of stepped orifices 321 can be increased or decreased as needed. It is noteworthy that the stepped orifice 321 comprises a first groove 3211, a second groove 3212 and a through hole 3213, wherein the first groove 3211, the second groove 3212 and the through hole 3213 are arranged concentrically with one another, and the first groove is disposed on a side of the spray orifice plate 32, and the second groove 3212 is disposed in the first groove 3211, and the through hole 3213 is disposed in the second groove 3212, such that the cross-section of the stepped orifice 321 is in a one-step configuration. In this preferred embodiment, the first groove 3211 is in a cross shape, and the second groove 3212 is in a circular shape. It is noteworthy that the first groove 3211, the second groove 3212 and the through hole 3213 of this preferred embodiment has a depth proportion falling within a range from 1:1:1 to 6:5:4.

[0032] With reference to FIGS. 9 and 10 for a top view and a cross-sectional view of a spray orifice plate in accordance with the third preferred embodiment of the present invention respectively, a nebulization device with a spray orifice plate 3 of the third preferred embodiment also comprises an energy transfer element 41, a spray orifice plate 42 and a driving element 43, wherein the structure and the assembling process of the energy transfer element 41 and the driving element 43 are the same as those described in the previous embodiments, and thus will not be repeated. The spray orifice plate 42 also has one stepped orifice 421 or a plurality of stepped orifices 421, and the quantity of stepped orifices 421 can be increased or decreased as needed. It is noteworthy that the stepped orifice 421 has a first groove 4211, a second groove 4212, a third groove 4213 and a plurality of through holes 4214, and the first groove 4211, the second grove 4212 and the third groove 4213 are arranged concentrically with one another. The first groove 4211 is disposed on a side of the spray orifice plate 42, and the second groove 4212 is disposed in the first groove 4211, and the third groove 4213 is disposed in the second groove 4212, and the through holes 4214 are distributed evenly in the third groove 4213, such that the cross-section of the stepped orifice 421 is in a three-step form. The first groove 4211, the second groove 4212, the third groove 4213 and the through holes 4214 have a depth proportion falling within a range from 1:1:1:1 to 5:4:3:3.