WO2025241908A1 - Buse d'atomisation et dispositif d'atomisation - Google Patents

Buse d'atomisation et dispositif d'atomisation

Info

Publication number
WO2025241908A1
WO2025241908A1 PCT/CN2025/093887 CN2025093887W WO2025241908A1 WO 2025241908 A1 WO2025241908 A1 WO 2025241908A1 CN 2025093887 W CN2025093887 W CN 2025093887W WO 2025241908 A1 WO2025241908 A1 WO 2025241908A1
Authority
WO
WIPO (PCT)
Prior art keywords
atomizing
nozzle
hole
nozzle body
outlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2025/093887
Other languages
English (en)
Chinese (zh)
Inventor
罗伟龙
卢小钰
刘汀科
张明富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Solex High Tech Industries Co Ltd
Original Assignee
Xiamen Solex High Tech Industries Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiamen Solex High Tech Industries Co Ltd filed Critical Xiamen Solex High Tech Industries Co Ltd
Publication of WO2025241908A1 publication Critical patent/WO2025241908A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0491—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid the liquid and the gas being mixed at least twice along the flow path of the liquid

Definitions

  • This application relates to the field of atomizer technology, such as an atomizing nozzle and an atomizer.
  • a nebulizer is a device that atomizes liquids and sprays them out, suspending them evenly in the air. Nebulizers can effectively increase the contact area between the medium and the surrounding medium or the human body, and can be widely used in many fields such as beauty, medical and dust removal.
  • ultrasonic atomization which is only suitable for atomizing media with low viscosity, such as water
  • pneumatic atomization which can atomize a wider range of media viscosity than ultrasonic atomization.
  • the viscosity range of media atomized by pneumatic atomization is also limited, and the resulting media particles are relatively large.
  • This application provides an atomizing nozzle and atomizer, which can atomize a wide range of media viscosity and form small media particles after atomization.
  • This application provides an atomizing nozzle, including a nozzle shell and a nozzle body.
  • the nozzle shell has an atomizing chamber, an atomizing hole connecting the atomizing chamber to the outside, and a vent hole connecting the atomizing chamber to an air source.
  • the first end of the nozzle body is disposed in the atomizing chamber.
  • the nozzle body has a flow channel penetrating the nozzle body.
  • the liquid outlet of the flow channel is disposed at the first end of the nozzle body and faces the atomizing hole.
  • the first end of the nozzle body has a plurality of flow guide grooves spaced circumferentially.
  • the plurality of flow guide grooves extend to the end face of the first end of the nozzle body and the extension lines intersect at point a.
  • the end face of the first end of the nozzle body cooperates with the inner surface of the nozzle shell to form a plurality of flow guide gaps.
  • the extension lines of the plurality of flow guide gaps intersect at point b. Points
  • points a and b are both located inside the nozzle housing and on the axis of the atomizing orifice, with point a located on the side of point b closer to the nozzle body.
  • the bottom of the flow guide groove is inclined from the end away from the atomizing hole toward the atomizing hole, and the flow guide gap is inclined from the end away from the atomizing hole toward the atomizing hole.
  • the minimum distance between the first end of the nozzle body and the atomizing hole is L, and the distance between point a and the first end of the nozzle body is L/2.
  • the angle between the bottom of the guide groove and the axis of the atomizing hole is ⁇ , where 13.2 degrees ⁇ ⁇ ⁇ 29.5 degrees.
  • the flow channel is straight
  • the nozzle housing includes an outlet, an inlet, and a middle section
  • the middle section is disposed between the outlet and the inlet
  • the middle section cooperates with the outlet to form a closed flow guide cavity
  • the middle section cooperates with the inlet to form a closed ventilation cavity
  • the atomizing hole is opened in the outlet
  • the flow guide cavity and the ventilation cavity together form the atomizing cavity
  • the nozzle body passes through the middle section
  • the middle section has a plurality of connecting holes that surround the nozzle body and are equidistantly arranged.
  • the radius of the flow channel gradually decreases from the end furthest from the outlet to the end closest to the outlet.
  • both the outlet and the inlet are configured as a groove-shaped structure with one open end.
  • a slot is provided on the side of the middle portion facing the outlet, and the open end of the outlet is inserted into the slot.
  • a positioning rib is provided on the side of the middle portion facing the inlet, and a positioning groove is provided on the open end of the inlet, and the positioning rib is inserted into the positioning groove.
  • This application embodiment also provides an atomizer, including a housing, a first fluid pump, a second fluid pump, and a liquid storage bottle.
  • the first fluid pump and the second fluid pump are both located inside the housing.
  • the liquid storage bottle is connected to the first fluid pump.
  • the atomizer also includes the atomizing nozzle described in any of the above embodiments.
  • the first fluid pump is connected to the flow channel, and the second fluid pump is connected to the atomizing chamber through the vent hole.
  • the first fluid pump is a peristaltic pump.
  • Figure 1 is a three-dimensional structural diagram of the atomizing nozzle in an embodiment of this application.
  • Figure 2 is a front view of the atomizing nozzle in an embodiment of this application.
  • Figure 3 is a cross-sectional view of Figure 2 along the M-M direction;
  • Figure 4 is an enlarged view of point A in Figure 3;
  • Figure 5 is a diagram showing some of the dimensions and angles marked in Figure 4.
  • Figure 6 is an explosion diagram of the atomizing nozzle in an embodiment of this application.
  • Figure 7 is a schematic diagram of the connection structure between the nozzle body and the middle part in an embodiment of this application.
  • Figure 8 is a cross-sectional view of Figure 6 along the N-N direction
  • Figure 9 is a front view of the nebulizer in an embodiment of this application.
  • Figure 10 is a side view of the nebulizer in an embodiment of this application.
  • Figure 11 is a top view of the nebulizer in an embodiment of this application.
  • Figure 12 is a schematic diagram of the internal structure of the shell in an embodiment of this application.
  • Figure 13 is a schematic diagram of the exploded structure of the charging dock.
  • Atomizing nozzle 11. Nozzle housing; 111. Outlet; 111a. First sealing surface; 112. Middle part; 1121. Sealing plate; 1122. Support sleeve; 1123. Positioning rib; 112a. Slot; 112b. Connecting hole; 113. Inlet; 1131. Insert sleeve; 1132. First connecting pipe; 1133. Second connecting pipe; 113a. Second sealing surface; 113b. Positioning groove; 11a. Atomizing chamber; 11b. Atomizing hole; 11c. Vent hole; 11d. Liquid inlet hole; 12. Nozzle body; 12a. Flow channel; 12b. Flow guide groove; 12c. Guide surface; 10a. Flow guide gap; 20. Shell; 21.
  • connection should be interpreted broadly.
  • they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components.
  • the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, “above,” “over,” and “on top” of the second feature includes the first feature being directly above or diagonally above the second feature, or indicating that the first feature is at a higher horizontal level than the second feature. “Below,” “below,” and “under” the second feature includes the first feature being directly below or diagonally below the second feature, or indicating that the first feature is at a lower horizontal level than the second feature.
  • the terms “upper,” “lower,” “right,” etc. refer to the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation.
  • the terms “first” and “second” are only used for distinction in description and have no special meaning.
  • this embodiment proposes an atomizing nozzle capable of using high-pressure gas to disperse a liquid medium into atomized particles.
  • the atomizing nozzle includes a nozzle housing 11 and a nozzle body 12.
  • the nozzle housing 11 is provided with an atomizing chamber 11a, an atomizing hole 11b connecting the atomizing chamber 11a to the outside, and a vent hole 11c connecting the atomizing chamber 11a to a gas source.
  • the first end of the nozzle body 12 is disposed within the atomizing chamber 11a, and a through-hole is disposed within the nozzle body 12.
  • the flow channel 12a has its outlet located at the first end of the nozzle body 12 and directly opposite the atomizing hole 11b.
  • the first end of the nozzle body 12 is provided with multiple guide grooves 12b spaced apart along the circumference.
  • the multiple guide grooves 12b extend to the end face of the first end of the nozzle body 12 and their extension lines converge at point a.
  • the end face of the first end of the nozzle body 12 and the inner surface of the nozzle shell 11 form multiple guide gaps 10a.
  • the extension lines of the multiple guide gaps 10a converge at point b. Points a and b do not coincide.
  • the extended lines of the bottom edges of the plurality of guide channels 12b converge at point a, and the extended lines of the edges of the plurality of guide gaps 10a along the airflow direction converge at point b.
  • the vent 11c is connected to the air source, and the second end of the nozzle body 12 is connected to the medium supply device.
  • the medium supply device can supply the medium to the nozzle body 12.
  • the medium enters the flow channel 12a and flows out from the liquid outlet of the flow channel 12a.
  • the air source injects high-pressure gas into the atomizing chamber 11a through the vent 11c. Under the guiding action of the guide groove 12b and the guide gap 10a, the high-pressure gas forms a first airflow blowing towards point a and a second airflow blowing towards point b, respectively, and atomizes at points a and b respectively.
  • the medium rushes out of the atomizing chamber 11a, it forms a third atomization due to the change in air pressure (there is an air pressure difference between the atomizing chamber 11a and the outside).
  • the medium can also be broken into smaller atomized particles, resulting in a good atomization effect.
  • the number of guide grooves 12b can be adjusted according to the size of the nozzle body 12; for example, four, three, or five can be provided. In this embodiment, four guide grooves 12b are provided.
  • points a and b are both located inside the nozzle housing 11 and on the axis of the atomizing hole 11b, with point a located on the side of point b closer to the nozzle body 12. Therefore, the medium undergoes a first atomization at point a and a second atomization at point b to avoid the first airflow affecting the effect of the second atomization.
  • the guide groove 12b is set as a wedge-shaped guide groove, and its bottom is inclined from the end away from the atomizing hole 11b towards the atomizing hole 11b.
  • the guide gap 10a is also set to be inclined from the end away from the atomizing hole 11b towards the atomizing hole 11b.
  • the end of the atomizing chamber 11a that communicates with the atomizing hole 11b is set as a cone coaxial with the atomizing hole 11b, and the first end face of the nozzle body 12 is provided with an inclined guide surface 12c.
  • the first airflow and the second airflow can also provide power for the medium to rush out of the atomizing hole 11b, which helps the medium to rush out of the atomizing hole 11b.
  • the bottom of the guide groove 12b has a gradually decreasing width from the end away from the atomizing hole 11b to the end closer to the atomizing hole 11b, so as to increase the flow rate of the first airflow and improve the atomization effect.
  • the atomization effect is best when point a is located between the nozzle body 12 and the atomizing hole 11b. In other words, the atomization effect is best when point a is not inside the atomizing hole 11b. In this embodiment, point a is set on the midline of the distance between the nozzle body 12 and the atomizing hole 11b.
  • point a is located at the midpoint of the axis between the first end of the nozzle body 12 and the atomizing hole 11b.
  • L be the minimum distance between the first end of the nozzle body 12 and the atomizing hole 11b
  • ⁇ 1 be the diameter of the atomizing hole 11b
  • H be the length of the atomizing hole 11b
  • ⁇ 2 be the diffusion diameter when the first airflow reaches the outlet end of the atomizing hole 11b
  • ⁇ be the angle between the bottom of the guide groove 12b and the axis of the atomizing hole 11b. 0 ⁇ L ⁇ 1 mm. If L is greater than 1 mm, the medium after secondary atomization will be too far from the atomizing hole 11b and will easily re-condense into large particles.
  • the original value of the diameter ⁇ 1 of the atomizing hole 11b is set to 0.4mm, and the original value of the length H of the atomizing hole 11b is set to 0.35mm.
  • the diameter of the atomizing hole 11b, according to the Venturi principle should also be as small as possible under the premise of the precision that the manufacturing process can achieve.
  • the angle ⁇ between the generatrix of the end of the atomizing chamber 11a that connects to the atomizing hole 11b (i.e., the generatrix of the inner surface of the nozzle housing 11 at the end where the atomizing hole 11b is opened) and the axis is greater than ⁇ .
  • ⁇ is also greater than the angle ⁇ between the guide surface 12c and the axis of the atomizing hole 11b, so that the first airflow and the second airflow have higher flow rates and improve the atomization effect.
  • the flow channel 12a is set as a straight line coaxial with the atomizing hole 11b. Therefore, the vent hole 11c and the nozzle body 12 are necessarily not on the same straight line.
  • the nozzle housing 11 includes an outlet portion 111, an inlet portion 113, and an intermediate portion 112.
  • the outlet portion 111 is configured as a cylindrical structure with a first sealing surface 111a at one end and an open end at the other.
  • the atomizing hole 11b is opened on the first sealing surface 111a, meaning that the inner surface of the first sealing surface 111a is conical.
  • the inlet portion 113 is also configured as a cylindrical structure with an open end facing the outlet portion 111 and a second sealing surface 113a at the other end.
  • the second sealing surface 113a has a liquid inlet hole 11d that connects to the nozzle body 12 or a through hole through which the nozzle body 12 passes.
  • a vent hole 11c is opened on the inlet portion 113.
  • the vent hole 11c can be parallel to the liquid inlet hole 11d or the through hole, or it can be angled to the liquid inlet hole 11d.
  • the intermediate section 112 is disposed between the outlet section 111 and the inlet section 113.
  • the intermediate section 112 includes a sealing plate 1121.
  • the sealing plate 1121 is connected to the outlet section 111 and the inlet section 113 by means of, for example, adhesive or bolt connection. It forms a closed flow guide cavity with the outlet section 111 and a closed ventilation cavity with the inlet section 113.
  • the flow guide cavity is connected to the outside through the atomizing hole 11b, and the ventilation cavity is connected to the air source through the ventilation hole 11c.
  • the flow guide cavity and the ventilation cavity together constitute the atomizing cavity 11a.
  • the nozzle body 12 passes through the sealing plate 1121.
  • the flow guide cavity and the ventilation cavity are connected by a connecting hole 112b that is equidistantly arranged on the sealing plate 1121 around the nozzle body 12.
  • the axial direction of the connecting hole 112b is consistent with the axial direction of the atomizing hole 11b.
  • the nozzle body 12 is integrally formed with the sealing plate 1121.
  • the sealing plate 1121 has a through hole for the nozzle body 12 to pass through.
  • the nozzle body 12 passes through the through hole and is connected to the sealing plate 1121 by a connecting rib arranged around the nozzle body 12.
  • the connecting rib divides the through hole into multiple connecting holes 112b.
  • the high-pressure gas After the high-pressure gas enters the ventilation chamber through the vent hole 11c, it then enters the guide chamber through the connecting hole 112b. Under the guidance of the connecting hole 112b, the amount of high-pressure gas flowing to each guide groove 12b of the nozzle body 12 is approximately the same, which improves the uniformity of atomization of the medium.
  • the sealing plate 1121 is provided with a slot 112a on the side facing the outlet 111.
  • the open end of the outlet 111 can be inserted into the slot 112a to position the sealing plate 1121 and the outlet 111.
  • the sealing plate 1121 is provided with an annular positioning rib 1123 on the side facing the inlet 113.
  • the open end of the inlet 113 is provided with an annular positioning groove 113b.
  • the positioning rib 1123 can be inserted into the positioning groove 113b to position the sealing plate 1121 and the inlet 113. Based on this, the outlet section 111 and the sealing plate 1121, and the sealing plate 1121 and the inlet section 113 are all bonded with sealant, and the sealant is filled in the slot 112a and the positioning groove 113b.
  • the intermediate portion 112 further includes a support sleeve 1122.
  • the support sleeve 1122 is disposed on the side of the sealing plate 1121 facing the outlet portion 111 and is coaxial with the through hole.
  • the support sleeve 1122 is inserted into the outlet portion 111 and abuts against the inner surface of the outlet portion 111 to improve the stability of the connection between the sealing plate 1121 and the outlet portion 111 and ensure the coaxiality of the atomizing hole 11b and the flow channel 12a.
  • the inlet part 113 further includes a plug sleeve 1131.
  • the plug sleeve 1131 is disposed on the surface of the second sealing surface 113a facing the sealing plate 1121 and is coaxial with the liquid inlet hole 11d or the through hole.
  • the second end of the nozzle body 12 is inserted into the plug sleeve 1131.
  • a first connecting pipe 1132 is also provided on the inlet 113.
  • the first connecting pipe 1132 is coaxial with and communicates with the inlet hole 11d, and is used to connect to the media supply device.
  • a second connecting pipe 1133 is also provided on the inlet 113.
  • the second connecting pipe 1133 is coaxial with and communicates with the vent hole 11c, and is used to connect to the air source.
  • the vent hole 11c is located on the second sealing surface 113a and parallel to the inlet hole 11d, so as to facilitate the integration of the air source and the media supply device together.
  • the atomizing nozzle When a peristaltic pump is used as the medium supply device, the atomizing nozzle exhibits intermittent spraying due to the inherent pulsating characteristics of the pump. For example, it sprays for 1 second (s), then pauses for 0.5 seconds before cycling again for 1 second with a 0.5-second pause. Based on this, referring to Figure 4, the radius of the flow channel 12a gradually decreases from the end furthest from the outlet to the end closest to the outlet. Compared to a cylindrical flow channel 12a with the same radius at the end furthest from the outlet, the volume is reduced by 2/3.
  • this embodiment proposes an atomizer, including a housing 20, a first fluid pump 30, a second fluid pump 40, a storage bottle 50, and an atomizing nozzle 10 as in Embodiment 1.
  • the first fluid pump 30, the second fluid pump 40, and the atomizing nozzle 10 are all located inside the housing 20.
  • the housing 20 has an atomizing outlet for the atomizing nozzle 10 to pass through and an insertion port for the storage bottle 50 to be inserted.
  • One end of the storage bottle 50 is inserted into the insertion port and connected to the first fluid pump 30.
  • the first fluid pump 30 and the storage bottle 50 serve as a medium supply device.
  • the first fluid pump 30 connects the storage bottle 50 and the inlet hole 11d of the atomizing nozzle 10, and can pump the medium stored in the storage bottle 50 into the flow channel 12a.
  • the second fluid pump 40 serves as a gas supply device and is connected to the vent hole 11c of the atomizing nozzle 10, and can pump high-pressure gas into the atomizing chamber 11a.
  • the first fluid pump 30 and the second fluid pump 40 start simultaneously.
  • the medium in the storage bottle 50 flows from the storage bottle 50 into the nozzle body 12 under the action of the first fluid pump 30, while the gas forms high pressure under the action of the second fluid pump 40 and enters the atomization chamber 11a, atomizing the medium flowing out of the nozzle body 12 twice to form atomized particles.
  • the first fluid pump 30 is a peristaltic pump, which uses peristalsis to draw the medium from the storage bottle 50.
  • the peristaltic pump can recover the medium within the nozzle body 12 by reversing its rotation, avoiding the problems of nozzle body 12 clogging due to prolonged disuse of the nebulizer and the liquid being carried out by instantaneous pressure changes when the first fluid pump 30 stops, thus preventing the medium from being sprayed out and affecting the user's experience. It also solves the problem of the nebulizer being difficult to clean, resulting in a cleaner product; after use, only the storage bottle 50 needs to be cleaned. Therefore, for convenient cleaning, the storage bottle 50 and the first fluid pump 30 are detachably connected, for example, the storage bottle 50 can be connected to the first fluid pump 30 via a silicone tube.
  • the housing 20 includes a decorative shell 23, a main front shell 21, and a main rear shell 22.
  • the main front shell 21 and the main rear shell 22 are both configured as groove-shaped structures with one end open.
  • the main front shell 21 and the main rear shell 22 together enclose an elliptical cavity.
  • the first fluid pump 30 and the second fluid pump 40 are both fixed in the elliptical cavity.
  • a connecting hole is provided on the main front shell 21.
  • the two ends of the decorative shell 23 are through.
  • the first end of the decorative shell 23 is inserted into the connecting hole and fixed to the main front shell 21 by, for example, snap-fit.
  • the second end of the decorative shell 23 serves as an atomization outlet, and the atomizing nozzle 10 is inserted into the atomization outlet of the decorative shell 23.
  • the atomizer also includes a printed circuit board (PCB) 60, control keys, and a power supply 70.
  • the PCB 60 is electrically connected to the first fluid pump 30, the second fluid pump 40, the control keys, and the power supply 70.
  • the control keys include, for example, an on/off switch and a speed control switch.
  • the on/off switch is used to turn the first fluid pump 30 and the second fluid pump 40 on and off, and the speed control switch is used to adjust the power of the first fluid pump 30 and the second fluid pump 40.
  • the atomizer also includes a charging base 80, which includes an upper base shell 81, a lower base shell 82, and a charging board 83.
  • the charging board 83 is located within the mounting cavity formed by the upper base shell 81 and the lower base shell 82, and can be connected to the PCB 60 via a spring pin 84 to achieve charging.
  • the upper base shell 81 is provided with a receiving groove for the lower end of the housing 20 to be inserted. After the housing 20 is inserted into the receiving groove, the spring pin 84 automatically connects to the power supply 70 to achieve automatic charging.
  • the atomizing nozzle 10 of this application includes a nozzle housing 11 and a nozzle body 12 located within the nozzle housing 11.
  • a guide groove 12b on the nozzle body 12 guides high-pressure gas to converge at point a within the nozzle housing 11, performing a first atomization of the medium.
  • a guide gap 10a is also formed between the nozzle body 12 and the nozzle housing 11, guiding high-pressure gas to converge at point b within the nozzle housing 11 (not coinciding with point a), performing a second atomization of the medium.
  • the medium undergoes a third atomization due to pressure changes. Even when atomizing media with high viscosity, the medium can be dispersed into smaller atomized particles, resulting in good atomization.
  • the atomizer in this application including the atomizing nozzle 10, produces small atomized particles, improving the user experience.

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  • Nozzles (AREA)

Abstract

L'invention concerne une buse d'atomisation et un dispositif d'atomisation. La buse d'atomisation comprend une coque de buse (11) et un corps de buse (12), la coque de buse (11) étant pourvue d'une cavité d'atomisation (11a), un trou d'atomisation (11b) faisant communiquer la cavité d'atomisation (11a) et l'extérieur, et un trou traversé par le gaz (11c) faisant communiquer la cavité d'atomisation (11a) et une source de gaz. Une première extrémité du corps de buse (12) est disposée dans la cavité d'atomisation (11a), et le corps de buse (12) est pourvu d'un canal d'écoulement (12a) traversant le corps de buse (12), une sortie de liquide du canal d'écoulement (12a) étant disposée au niveau de la première extrémité du corps de buse (12) et faisant directement face au trou d'atomisation (11b). La première extrémité du corps de buse (12) est pourvue d'une pluralité de canaux de guidage d'écoulement espacés (12b) dans la direction circonférentielle, la pluralité de canaux de guidage d'écoulement (12b) s'étendant jusqu'à la face d'extrémité de la première extrémité du corps de buse (12), leurs lignes d'extension se croisant au point a. La face d'extrémité de la première extrémité du corps de buse (12) correspond à la surface interne de la coque de buse (11) pour former une pluralité d'espaces de guidage d'écoulement (10a), des lignes d'extension de la pluralité d'espaces de guidage d'écoulement (10a) se croisant au point b. Le point a et le point b ne coïncident pas.
PCT/CN2025/093887 2024-05-21 2025-05-09 Buse d'atomisation et dispositif d'atomisation Pending WO2025241908A1 (fr)

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CN202410634630.8 2024-05-21
CN202410634630.8A CN118357079B (zh) 2024-05-21 2024-05-21 雾化喷嘴及雾化仪

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CN223233079U (zh) * 2024-08-08 2025-08-19 厦门松霖科技股份有限公司 雾化喷头及雾化仪
CN223464957U (zh) * 2024-09-25 2025-10-24 深圳摩尔雾化健康医疗科技有限公司 一种雾化喷嘴及电子雾化装置

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