CN112122052A - High-efficient atomizing device - Google Patents
High-efficient atomizing device Download PDFInfo
- Publication number
- CN112122052A CN112122052A CN202011043826.8A CN202011043826A CN112122052A CN 112122052 A CN112122052 A CN 112122052A CN 202011043826 A CN202011043826 A CN 202011043826A CN 112122052 A CN112122052 A CN 112122052A
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- Prior art keywords
- cover plate
- cavity
- upper cover
- lower cover
- liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0653—Details
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- Special Spraying Apparatus (AREA)
Abstract
The invention discloses a high-efficiency atomization device which comprises an ultrasonic transducer, a cavity, an upper cover plate, a lower cover plate, a compressed air inlet and a liquid injection port, wherein the ultrasonic transducer is arranged at the bottom of the cavity and used for generating ultrasonic atomization; the liquid injection port is arranged at the bottom of the cavity and used for controlling liquid to flow in and out of the cavity; the upper cover plate and the lower cover plate are arranged at the upper end of the cavity body up and down to impact and break mist liquid drops; the compressed air inlet is arranged at the bottom of the cavity and used for controlling the injection of compressed air and driving the mist liquid drops to impact the upper cover plate and the lower cover plate; the upper cover plate and the lower cover plate are coated with super-hydrophobic coatings, so that liquid drops can be prevented from being attached, and impact crushing of the liquid drops is accelerated; the upper cover plate and the lower cover plate form a liquid drop rebound impact area, and atomized liquid drops impact on the liquid drop rebound impact area for multiple times and are broken and become smaller. The invention drives the mist to be discharged upwards through the compressed air, so that the mist impacts the upper cover plate and the lower cover plate to form mist liquid drops with smaller sizes, and the size controllability, the speed controllability and the stability of the mist liquid drops are ensured.
Description
Technical Field
The invention relates to the field of atomization, in particular to a high-efficiency atomization device.
Background
The atomizer is a device for atomizing a sample solution. The nebulizer is an important part of the atomization system, and its performance has a significant influence on the precision of the measurement and chemical interference. Therefore, the atomizer is required to have stable spraying, fine and uniform droplets, and high atomization efficiency.
Common atomizers comprise an ultrasonic atomizer, a jet atomizer and a vibrating screen hole atomizer, core elements of all the ultrasonic atomizers comprise ultrasonic transducers, and atomized liquid drops generated by the ultrasonic transducers are large, so that the problems of nozzle blockage, high maintenance cost and the like are easily caused.
How to provide a simple structure, compactness, safe, reliable, high-efficient, energy-conserving atomizing device, on the basis of guaranteeing the leakproofness and the stability of device, make the size of the liquid drop that the atomizing formed littleer, more even to reduce cost of maintenance, improve atomizing efficiency, become the problem that needs to solve urgently.
Disclosure of Invention
In order to overcome a series of defects in the prior art, the invention aims to solve the problems and provide a high-efficiency atomization device, which comprises an ultrasonic transducer 5, a cavity 2, an upper cover plate 4, a lower cover plate 3, a compressed air inlet 1 and a liquid injection port 6, and is characterized in that,
the ultrasonic transducer 5 is arranged at the bottom of the cavity 2 and used for generating ultrasonic atomization in the cavity 2;
the liquid injection port 6 is arranged at the bottom of the cavity 2 and is used for controlling liquid to flow into or out of the cavity 2;
the upper cover plate 4 and the lower cover plate 3 are sequentially arranged at the upper end of the cavity 2 from top to bottom and are used for impacting and crushing mist droplets, wherein the upper cover plate 4 and the lower cover plate 3 form a droplet rebounding impact area, and atomized droplets are impacted and crushed between the upper cover plate 4 and the lower cover plate 3 for multiple times to form droplets with smaller sizes;
the compressed air inlet 1 is arranged at the bottom of the cavity 2 and used for controlling the injection of compressed air and driving mist liquid drops to impact the upper cover plate 4 and the lower cover plate 3.
Preferably, the size of the outer circle radius R of the upper cover plate 4 is the same as that of the outer circle radius R of the lower cover plate 3, and the radius R is one half of the diameter of the cavity 2.
Preferably, the upper cover plate 4 is uniformly distributed with conical bosses with the bottom surface diameter d being 1/3R-1/5R at a position away from the center S of the upper cover plate along the circumferential direction, the value of S is 1/3R to 2/3R, and the conical vertex angle of each conical boss ranges from 130 degrees to 170 degrees.
Preferably, the upper cover plate 4 is provided with through holes uniformly distributed along the circumferential direction at a position away from the circle center S.
Preferably, the lower cover plate 3 is a conical structure with a flat surface.
Preferably, the taper angle θ of the lower cover plate 3 is 150 ° to 175 °.
Preferably, the lower cover plate 3 is uniformly distributed with through holes with the diameter d of 1/3R-1/5R along the circumferential direction at a distance S from the center of the lower cover plate.
Preferably, the distance between the upper cover plate 4 and the lower cover plate 3 is 5mm-15 mm.
Preferably, the upper cover plate 4 and the lower cover plate 3 are coated with super-hydrophobic coatings for preventing adhesion of liquid droplets and accelerating impact breakage of the liquid droplets.
Preferably, the axis of the cavity 2 passes through the axis of the ultrasonic transducer 5.
Compared with the prior art, the invention has the following beneficial effects:
1) the invention provides a high-efficiency atomizing device, which is characterized in that ultrasonic atomization is produced in a cavity through an ultrasonic transducer, and mist is driven to be discharged upwards through compressed air, so that atomized liquid drops impact an upper cover plate and a lower cover plate to form mist liquid drops with smaller size, and the device ensures the size controllability, speed controllability and stability of the mist liquid drops;
2) the invention provides a high-efficiency atomizing device, wherein a liquid drop rebounding impact area is formed by an upper cover plate and a lower cover plate, atomized liquid drops are repeatedly impacted and crushed between the upper cover plate and the lower cover plate, and liquid drops with smaller sizes are formed;
3) the invention provides an efficient atomization device, which can prevent liquid drops from attaching and accelerate impact crushing of the liquid drops by coating a super-hydrophobic coating on an upper cover plate and a lower cover plate.
Drawings
FIG. 1 is a schematic cross-sectional view of a high efficiency atomizing device in accordance with the present invention;
FIG. 2 is a schematic structural diagram of an upper cover plate of a high-efficiency atomizing device according to the present invention;
fig. 3 is a schematic structural diagram of a lower cover plate of an efficient atomization device.
The reference numbers in the figures are:
1-compressed air inlet, 2-cavity, 3-lower cover plate, 4-upper cover plate, 5-ultrasonic transducer, 6-liquid injection port and 7-connecting line.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiments and the directional terms described below with reference to the drawings are exemplary and intended to be used in the explanation of the invention, and should not be construed as limiting the invention.
A high-efficiency atomizing device according to the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, a high-efficiency atomization device comprises an ultrasonic transducer 5, a cavity 2, an upper cover plate 4, a lower cover plate 3, a compressed air inlet 1 and a liquid injection port 6,
the ultrasonic transducer 5 is arranged at the bottom of the cavity 2 and used for generating ultrasonic atomization in the cavity 2, and the ultrasonic transducer 5 is connected with an external power supply through a connecting wire 7;
the liquid injection port 6 is arranged at the bottom of the cavity 2 and is used for controlling liquid to flow into or out of the cavity 2;
the upper cover plate 4 and the lower cover plate 3 are sequentially arranged at the upper end of the cavity 2 from top to bottom and are used for impacting and crushing mist droplets, wherein the upper cover plate 4 and the lower cover plate 3 form a droplet rebounding impact area, and atomized droplets are impacted and crushed on the upper cover plate 4 and the lower cover plate 3 for multiple times to form droplets with smaller sizes;
the compressed air inlet 1 is arranged at the bottom of the cavity 2 and used for controlling the injection of compressed air and driving mist liquid drops to impact the upper cover plate 4 and the lower cover plate 3.
Preferably, the size of the outer circle radius R of the upper cover plate 4 is the same as that of the outer circle radius R of the lower cover plate 3, and the radius R is one half of the diameter of the cavity 2.
Preferably, the upper cover plate 4 is uniformly distributed with conical bosses with the bottom surface diameter d being 1/3R-1/5R at a position away from the center S of the upper cover plate along the circumferential direction, the value of S is 1/3R to 2/3R, and the conical vertex angle of each conical boss ranges from 130 degrees to 170 degrees.
Preferably, the upper cover plate 4 is provided with through holes uniformly distributed along the circumferential direction at a position away from the circle center S.
Preferably, the lower cover plate 3 is a conical structure with a flat surface.
Preferably, the taper angle θ of the lower cover plate 3 is 150 ° to 175 °.
Preferably, the lower cover plate 3 is uniformly distributed with through holes with the diameter d of 1/3R-1/5R along the circumferential direction at a distance S from the center of the lower cover plate.
Preferably, the distance between the upper cover plate 4 and the lower cover plate 3 is 5mm-15 mm.
Preferably, the upper cover plate 4 and the lower cover plate 3 are coated with super-hydrophobic coatings for preventing adhesion of liquid droplets and accelerating impact breakage of the liquid droplets.
Preferably, the axis of the cavity 2 passes through the axis of the ultrasonic transducer 5.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An efficient atomization device comprises an ultrasonic transducer (5), a cavity (2), an upper cover plate (4), a lower cover plate (3), a compressed air inlet (1) and a liquid injection port (6),
the ultrasonic transducer (5) is arranged at the bottom of the cavity (2) and is used for generating ultrasonic atomization in the cavity (2);
the liquid injection port (6) is arranged at the bottom of the cavity (2) and is used for controlling liquid to flow into or out of the cavity (2);
the upper cover plate (4) and the lower cover plate (3) are sequentially arranged at the upper end of the cavity (2) from top to bottom and are used for impacting and breaking mist liquid drops;
the compressed air inlet (1) is arranged at the bottom of the cavity (2) and used for controlling the injection of compressed air and driving mist liquid drops to impact the upper cover plate (4) and the lower cover plate (3).
2. A high efficiency atomizer according to claim 1, wherein the outer radius R of the upper cover plate (4) is the same size as the outer radius R of the lower cover plate (3), and the radius R is one-half of the diameter of the cavity (2).
3. The efficient atomizing device according to claim 2, wherein the upper cover plate (4) is uniformly distributed with conical bosses with a bottom surface diameter d of 1/3R-1/5R along the circumferential direction at a distance S from the center of the upper cover plate, wherein the value of S is 1/3R to 2/3R, and the conical vertex angle of the conical bosses ranges from 130 degrees to 170 degrees.
4. A high efficiency atomizing device in accordance with claim 3, characterized in that said upper cover plate (4) has through holes uniformly distributed along the circumferential direction at a distance S from the center of the circle.
5. A high efficiency atomizer according to claim 1, wherein lower cover plate (3) is conical in structure, and has a flat surface.
6. A high efficiency atomisation device according to claim 5 characterised in that the cone angle θ of the lower closure plate (3) is between 150 ° and 175 °.
7. A high efficiency atomizer according to claim 3, wherein lower cover plate (3) is evenly distributed with the diameter d 1/3R-1/5R' S through-hole along the circumference at a distance S from its center.
8. A high efficiency atomizer according to any one of claims 1 to 7, wherein upper cover plate (4) and lower cover plate (3) are separated by a distance in the range of 5mm to 15 mm.
9. A high efficiency atomizer according to any one of claims 1 to 7, wherein the upper cover plate (4) and the lower cover plate (3) are coated with a superhydrophobic coating.
10. A high efficiency atomizing device in accordance with any one of claims 1 to 7, characterized in that the axis of said chamber (2) passes through the axis of said ultrasonic transducer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011043826.8A CN112122052A (en) | 2020-09-28 | 2020-09-28 | High-efficient atomizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011043826.8A CN112122052A (en) | 2020-09-28 | 2020-09-28 | High-efficient atomizing device |
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| Publication Number | Publication Date |
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| CN112122052A true CN112122052A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011043826.8A Pending CN112122052A (en) | 2020-09-28 | 2020-09-28 | High-efficient atomizing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871529A (en) * | 2021-01-11 | 2021-06-01 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Automatic atomization coating instrument |
-
2020
- 2020-09-28 CN CN202011043826.8A patent/CN112122052A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871529A (en) * | 2021-01-11 | 2021-06-01 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Automatic atomization coating instrument |
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