Atomizing core and fragrance diffusion device

Abstract

The application provides an atomizing core and a fragrance spreading device, and relates to the technical field of atomizing devices. The atomizing core is internally provided with an upper and lower air inlet channel and a liquid supply channel. The air inlet channel is provided with an air inlet and a plurality of air outlets. The liquid supply channel is provided with a liquid inlet and a plurality of liquid outlets. The liquid outlets are arranged below the corresponding air outlets. The atomizing core realizes large-area uniform atomization by utilizing a compressed gas source to make gas and liquid meet. The atomizing core is conveniently and quickly assembled and installed by being integrally arranged. Since the straight-flow type gas flow is adopted and the buffer grooves are arranged to optimize the gas flow field and reduce turbulence, the working noise of the atomizing core can be effectively reduced. The atomizing core can be conveniently detached from the device by being provided with a dismounting operation pull rod, which improves the safety of the operation and facilitates the process hygiene. The scheme has the advantages of simple structure, low noise and high atomization efficiency, and is suitable for various fragrance spreading devices.

Description

Technical Field

[0001] This application relates to the field of atomizing devices, specifically to an atomizing core and a diffuser. Background Technology

[0002] In environmental fragrance and purification applications, fragrance diffusers atomize liquid media into fine particles and further diffuse them into the air to regulate environmental odor and improve air quality.

[0003] Existing technologies widely employ airflow-type atomizing cores, particularly swirling atomizing structures. These cores utilize multiple precision components assembled to form a rotating airflow channel, causing compressed gas to rotate at high speed, thereby atomizing the liquid. These atomizing cores typically include multiple independent parts such as an air intake assembly, a swirling chamber, a nozzle, and a liquid conduit. These components must be integrated through a tight fit, resulting in a complex structure and high manufacturing and assembly costs. The overall mold for manufacturing is complex, and assembly is cumbersome: the spiral channel requires precise fitting of multiple components, leading to long mold development cycles, numerous assembly steps, and potential airtightness issues.

[0004] Furthermore, the swirling airflow at high air volume can easily generate turbulence and resonance within the cavity, producing relatively high decibel noise and significant operating noise, which can disrupt the aromatherapy atmosphere in homes and offices.

[0005] Meanwhile, when the diffuser needs to be replaced during use, users often have to disassemble it by hand, which poses a certain risk. In addition, users' hands are likely to come into contact with residual liquid media, which brings hygiene and skin irritation risks.

[0006] Therefore, there is an urgent need for an atomizer core that is simple in structure, easy to assemble, low in noise during atomization, and easy to replace. Utility Model Content

[0007] This application provides an atomizing core that can solve the technical problems of existing atomizing cores, such as complex structure, high noise, uneven atomization, and inconvenient replacement. To achieve the above objectives, this application provides the following technical solution: This application provides an atomizing core, including an atomizing core body, which has an air intake channel and a liquid supply channel, with the liquid supply channel located at the lower part of the air intake channel; the air intake channel has an air inlet and multiple air outlets located below the air inlet; the liquid supply channel has a liquid inlet and multiple liquid outlets located above the liquid inlet; the liquid outlets are adjacent to the air outlets. In one optional embodiment, the air outlet includes a first air outlet and a second air outlet, and the liquid outlet includes a first liquid outlet and a second liquid outlet, with the first air outlet and the second air outlet respectively adjacent to the first liquid outlet and the second liquid outlet. In one alternative embodiment, the liquid supply channel is configured as a curved flow channel, with the central axis of the inlet forming an angle with the central axis of the outlet. In one optional embodiment, the liquid supply channel is configured as a double-bend flow channel, with the central axis of the first liquid outlet and the central axis of the second liquid outlet forming an angle with the central axis of the liquid inlet, respectively. In one alternative embodiment, the portion of the air intake channel near the air outlet is formed in a funnel shape, with the diameter of the air intake being larger than the diameter of the air outlet. In one alternative embodiment, the atomizer core body is provided with a flange edge. In one alternative embodiment, a buffer groove is provided in the air intake channel at a position opposite to the air intake port. In one optional embodiment, the system further includes an operating lever with a bent portion and a plug rod. The end of the operating lever away from the bent portion has a grip portion. The atomizing core body has a mounting rib with a plug hole that is compatible with the plug rod. In one optional embodiment, the plug includes a first plug and a second plug, and the socket includes a first socket and a second socket that are adapted to be connected to and fitted with the first plug and the second plug. This application also provides a fragrance diffuser, wherein the fragrance diffuser is equipped with the atomizing core described in any of the above claims. This application adopts a one-piece molded structure, eliminating the need to assemble multiple parts into an atomizing core, simplifying the assembly process and reducing manufacturing costs. By setting multiple air outlets corresponding to a single air inlet in the air inlet channel, and placing the air outlets close to the corresponding liquid outlets in the liquid supply channel, high-speed airflow is used to simultaneously shear the liquid medium at multiple locations, achieving uniform atomization over a larger area. The liquid supply channel is located at the bottom of the air inlet channel, shortening the liquid path and improving response speed and liquid supply stability. Due to the use of a direct-flow airflow, turbulence and vibration sources are effectively reduced, effectively lowering operating noise. This solves the problems of high noise, uneven atomization, and complex structure of traditional atomizing cores, achieving a high-efficiency, quiet, and stable aroma diffusion effect. Attached Figure Description

[0008] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, wherein: Figure 1 This is a schematic diagram of the atomizing core structure of this application.

[0009] Figure 2 for Figure 1 A cross-sectional schematic diagram.

[0010] Figure 3 This is a schematic diagram of the atomizing core structure from another angle.

[0011] Figure 4This is a top view of the atomizing core of this application.

[0012] Figure 5 This is a bottom-view schematic diagram of the atomizing core of this application.

[0013] Figure 6 This is a schematic diagram of the structure of the operating lever that holds the atomizing core in this application.

[0014] Figure 7 for Figure 6 Cross-sectional view.

[0015] Figure 8 for Figure 6 A cross-sectional view from another angle.

[0016] The markings in the diagram are as follows: 10, atomizer core body; 100, air intake channel; 101, air inlet; 102, air outlet; 1021, first air outlet; 1022, second air outlet; 103, flange edge; 104, buffer groove.

[0017] 200, Liquid supply channel; 201, Liquid inlet; 202, Liquid outlet; 2021, First liquid outlet; 2022, Second liquid outlet.

[0018] 300, Operating lever; 301, Bending part; 302, Insertion rod; 3021, First insertion rod; 3022, Second insertion rod; 303, Grip part; 310, Mounting rib; 311, Insertion hole; 3111, First insertion hole; 3112, Second insertion hole. Detailed Implementation

[0019] The embodiments of this application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application and should not be construed as limiting this application.

[0020] Those skilled in the art will understand that, unless explicitly stated otherwise, the singular forms “a,” “an,” “the,” and “the” used herein may also include the plural forms. It should be further understood that the term “comprising” as used in this application means the presence of the stated feature, integer, step, operation, element, and / or component, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, and / or components, nor does it exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. It should be understood that when we say an element is “connected” or “coupled” to another element, it can be directly connected or coupled to the other element, or there may be intermediate elements. Furthermore, “connected” or “coupled” as used herein can include wireless connection or wireless coupling. The term “and / or” as used herein includes all or any unit and all combinations of one or more associated listed items.

[0021] Those skilled in the art will understand that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. It should also be understood that terms such as those defined in general dictionaries should be understood to have the same meaning as in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless specifically defined as herein.

[0022] The embodiments of this application are described in detail below with reference to the accompanying drawings. Examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting the scope of patent protection of this application.

[0023] This application proposes an atomizing core, such as Figure 1 and Figure 2 As shown, the atomizing core includes an atomizing core body 10, which has an air intake channel 100 and a liquid supply channel 200. The liquid supply channel 200 is located at the lower part of the air intake channel 100. The air intake channel 100 has an air inlet 101 and a plurality of air outlets 102 located below the air inlet 101. The liquid supply channel 200 has a liquid inlet 201 and a plurality of liquid outlets 202 located above the liquid inlet 201. The liquid outlets 202 are adjacent to the air outlets 102.

[0024] Here, the atomizing core body 10, as an integral load-bearing structure, can be manufactured in one piece using corrosion-resistant, high-strength engineering plastics or polymer chemical materials to ensure structural stability and long-term reliability.

[0025] The air intake passage 100 guides the flow of compressed gas. The air inlet 101 connects to an external air source (such as a miniature air pump or a compressed air cylinder). After descending through the air intake passage 100, the compressed gas is ejected from multiple air outlets 102. Figures 1 to 3 As shown, the liquid supply channel 200 is used to transport volatile liquids, such as essential oils with a certain fragrance. The liquid inlet 201 is connected to an external liquid storage device, such as a liquid storage container. Under negative pressure, the liquid is transported upward to the liquid outlet 202. Positioning the liquid supply channel 200 below the air inlet channel 100 brings the liquid path closer to the gas outlet area, shortening the liquid response distance and improving the start-up speed and dynamic response performance of atomization. Multiple air outlets 102 are arranged in an array or ring below the air inlet 101. The number of air outlets 102 can be set to 2-6, with the optimal number being 2 (e.g., ...). Figures 1-6 As shown in the figure, a multi-point airflow jet structure can be formed, which can create multiple high-speed airflow shear zones in a local space.

[0026] Below each air outlet 102 is a corresponding liquid outlet 202, which are closely adjacent in space. This creates a significant local negative pressure at the liquid outlet 202 when the gas is ejected at high speed, inducing the liquid to rise spontaneously and overcome surface tension. The liquid is then sheared and broken into fine droplets by the high-speed airflow, completing the atomization process. This atomizing core structure avoids the complex guide components and rotating mechanisms required by traditional swirling structures, simplifying the overall construction. Simultaneously, multi-point coordinated atomization improves the atomization coverage area and uniformity per unit time.

[0027] like Figure 2 and Figure 3 As shown, the outlet 202 is located above the inlet 201, meaning that the liquid supply channel 200 is generally positioned from bottom to top. This facilitates the use of the negative pressure difference induced by airflow to drive the liquid to rise naturally, reducing the complexity of the system design. This design is particularly suitable for volatile aromatherapy liquid media, enabling continuous and stable capillary delivery and instant atomization response.

[0028] Through the above-described technical solution shown in this embodiment, this application achieves the following: when compressed gas enters the intake channel 100 from the intake port 101, it flows downward along the channel and is ejected at high speed from multiple lower outlets 102, forming a low-pressure zone around each outlet 102; this pressure difference acts on the outlet 202 of the liquid supply channel 200, causing the liquid medium in the liquid supply channel 200 to be transported upward from the intake port 201 under atmospheric pressure, and overflow from multiple outlets 202 located at the top; since the outlet 202 is close to the outlet 102, the overflowing liquid film is immediately impacted and sheared by the high-speed airflow, rapidly dispersed into fine droplets, and discharged with the airflow, completing the diffusion of fragrance to the environment.

[0029] The entire process requires no mechanical moving parts, relying on gas-liquid momentum exchange to complete atomization, resulting in a simple structure and stable operation. The technical solution disclosed in this embodiment effectively solves the problems of difficult assembly, high cost, and excessive noise caused by the complex structure and reliance on swirling mechanisms of traditional atomizing cores. By integrating the air inlet channel 100 and the liquid supply channel 200 into the same body, both large-area uniform atomization and significant reduction in acoustic energy release caused by airflow disturbance are achieved. Actual measured operating noise is approximately 9 decibels lower than similar products. Simultaneously, the one-piece molded structure enhances sealing performance, reduces leakage risk, and improves product durability and safety, making it suitable for aroma diffuser applications in various scenarios such as home, office, and commercial use.

[0030] As another typical embodiment of this application, such as Figures 1 to 4 As shown, based on the above embodiment, this embodiment further provides: the air outlet 102 includes a first air outlet 1021 and a second air outlet 1022, and the liquid outlet 202 includes a first liquid outlet 2021 and a second liquid outlet 2022, with the first air outlet 1021 and the second air outlet 1022 respectively adjacent to the first liquid outlet 2021 and the second liquid outlet 2022. This embodiment forms two independent but synergistic gas-liquid confluence areas by setting paired air outlets 102 and liquid outlets 202. Specifically, the compressed gas in the air inlet channel 100 enters through the air inlet 101 and is diverted to the first air outlet 1021 and the second air outlet 1022. Simultaneously, the liquid medium in the liquid supply channel 200 flows in from the liquid inlet 201 and is guided to the first liquid outlet 2021 and the second liquid outlet 2022, forming a liquid film or droplets to be atomized at each liquid outlet 202. Because the first air outlet 1021 is close to the first liquid outlet 2021, the high-speed airflow can directly impact the liquid phase material overflowing from the first liquid outlet 2021, breaking it into fine droplets using aerodynamic shear force. Similarly, the proximity between the second air outlet 1022 and the second liquid outlet 2022 also achieves the same atomization mechanism. The two atomizing units are symmetrically or asymmetrically distributed on the atomizing core body 10, enabling them to generate atomization effects simultaneously in different directions, thus improving the overall atomization coverage and uniformity.

[0031] like Figures 2-5As shown, the air outlet 102 serves as the terminal structure for compressed gas to exit from the air inlet channel 100. There are two outlets: a first outlet 1021 and a second outlet 1022. These two outlets can be located axially or radially along the lower region of the air inlet 101. Optionally, the outlets 102 are distributed along the lateral periphery of the atomizing core body 10 to facilitate the formation of a multi-directional jet airflow. The cross-sectional shape of the outlet 102 can be circular, elliptical, or polygonal, with a diameter controlled between 0.3mm and 1.5mm to ensure sufficient airflow velocity and pressure output. The material can be corrosion-resistant metal or engineering plastic to ensure structural stability during long-term use. The first outlet 1021 and the second outlet 1022 can be designed with equal dimensions to achieve balanced air supply, or they can be configured differently according to actual atomization needs. For example, one outlet can be designed with a larger aperture to enhance local atomization intensity. Figures 1-5 As shown, the liquid outlet 202 is used to guide the liquid medium in the liquid supply channel 200 to flow out in a directional manner. There are two outlets, namely the first outlet 2021 and the second outlet 2022. They are located above the inlet 201, using capillary action or pumping pressure to transport the liquid upwards. The opening size of the outlet 202 is slightly larger than the outlet 102, typically in the range of 0.4 mm to 2.0 mm, to accommodate the flow characteristics of liquid media with different viscosities. Its outlet end can be designed as a planar opening, a conical constriction, or a screen structure with micropores to control the liquid film thickness and the liquid outlet pattern. The spatial positions of the first outlet 2021 and the second outlet 2022 need to be closely matched with the corresponding outlet 102, so that the high-speed airflow can effectively act on the liquid phase interface just flowing out, improving energy transfer efficiency. The term "close" in this application refers to the fact that the outlet 102 and the outlet 202 are physically close enough to achieve effective interaction between the gas and liquid phases. This proximity can be achieved through coplanar arrangement, staggered arrangement, or nested structure. For example, the first air outlet 1021 and the first liquid outlet 2021 can be located on opposite sides at the same horizontal level, allowing the airflow to sweep laterally across the liquid film surface; or in one embodiment, the air outlet 102 can be placed directly below the liquid outlet 202, using the vertically upward airflow to lift and tear the liquid column. The air inlet channel 100 provides the power source, the liquid supply channel 200 supplies the working medium, and the paired arrangement of the air outlet 102 and the liquid outlet 202 determines the location and mode of the atomization reaction. Through symmetrical or distributed arrangement, multiple gas-liquid interaction points can form a stable atomization operation inside the atomizing core, reducing the risk of local blockage and improving the reliability of system operation.

[0032] Meanwhile, this structure facilitates integrated mold forming, reduces assembly complexity, and is suitable for mass production. Through the technical solution of this embodiment, this application achieves simultaneous gas-liquid mixing and atomization at multiple locations using multiple sets of paired air outlets 102 and liquid outlets 202 without relying on a swirling structure. Because multiple air outlets and corresponding liquid outlets are provided, the proximity relationship between the first air outlet 1021 and the first liquid outlet 2021, and between the second air outlet 1022 and the second liquid outlet 2022, allows compressed gas to precisely act on the liquid phase outlet to be atomized at multiple predetermined locations, enhancing the controllability and consistency of the atomization reaction. Simultaneously, multi-point collaborative operation avoids atomization blind spots that may be caused by a single outlet, improving atomization coverage and uniformity. This structure is particularly suitable for low-noise, high-stability aroma diffusers, meeting users' needs for quiet operation and continuous aroma release.

[0033] As another embodiment of this application, refer to Figures 1-5 Based on the above embodiments, this embodiment further provides that the liquid supply channel 200 is configured as a curved flow channel, with the central axis of the liquid inlet 201 forming an angle with the central axis of the liquid outlet 202. This embodiment sets the liquid flow path by designing the liquid supply channel 200 as a non-linear curved structure and creating a spatial angle between the central axes of the liquid inlet 201 and the liquid outlet 202. This structure changes the traditional way in which liquid is transported from top to bottom or bottom to top along a straight channel in the atomizing core, breaking the inertial flow pattern of the liquid within the channel and guiding the liquid to travel along a preset curved trajectory to the liquid outlet 202, thereby affecting its outflow direction and the relative angle with the gas jet. The liquid supply channel 200 is configured as a curved flow channel, meaning that after entering from the liquid inlet 201, the liquid does not flow in a straight line to the liquid outlet 202, but rather through a bend, forming a non-straight-through flow channel. Its cross-sectional shape can be circular, elliptical, rectangular, or other contours suitable for microfluidic transport.

[0034] The smooth inner wall surface of the channel reduces flow resistance, ensuring stable delivery of viscous liquid media without stagnation or blockage. The central axis of the inlet 201 forms an angle with the central axis of the outlet 202, meaning the liquid inlet and outlet are not collinear in space, with a certain angular deviation between their central axes. This angle can be adjusted according to atomization performance requirements, typically ranging from 10° to 85°, and can be selected from 30° to 60°. By setting this angle, the intersection angle between the liquid ejection direction and the mainstream gas direction can be effectively changed, optimizing the impact conditions of the two-phase fluids near the outlet 202, improving shear efficiency, and facilitating the formation of finer and more uniformly distributed droplets.

[0035] Furthermore, the inclined arrangement can utilize the component of gravity to assist in the directional flow of liquid, especially when the equipment is installed vertically. This helps prevent residual liquid from flowing back to the inlet after shutdown, reducing the risk of cross-contamination. The aforementioned design of the curved flow channel and the angle between it and the central axis work together to affect the liquid delivery process. The bent structure lengthens the actual flow path of the liquid, increases flow resistance, and suppresses backflow or pulsation caused by fluctuations in supply pressure.

[0036] Meanwhile, because the liquid flow direction is forcibly deflected, particulate contaminants that may exist in the external environment are difficult to invade the core flow channel area in a straight line, thus improving the sealing reliability and long-term operational stability of the system. For example, in one optional embodiment, the liquid inlet 201 is vertically downward, while the liquid outlet 202 is horizontally oriented towards the gas jet area. At this time, the included angle of the central axis is close to 90°. Although it exceeds the conventional recommended range, it is still applicable in specific high atomization intensity scenarios, indicating that this structure has a wide range of process adaptability.

[0037] This application achieves effective control over liquid flow behavior. Because the liquid supply channel 200 adopts a bent design and sets the angle between the central axes of the inlet 201 and the outlet 202, the liquid is subject to both path constraints and direction adjustments during transmission. This solves the problems of backflow, stagnation, and uneven atomization that are easily caused by direct liquid flow in existing atomizing cores. Therefore, it improves the stability and controllability of the liquid supply, enhances the continuity and consistency of the atomization process, and improves the anti-contamination ability to a certain extent. It is suitable for use in diffuser equipment in various working postures.

[0038] As another embodiment of this application. Figure 1 and Figure 4As shown, based on the above embodiment, the liquid supply channel 200 is configured as a double-bend flow channel, with the central axes of the first liquid outlet 2021 and the second liquid outlet 2022 forming angles with the central axis of the liquid inlet 201, respectively. This embodiment achieves directional diversion and spatial layout optimization of the liquid medium entering the atomizing core by designing the liquid supply channel 200 as a "double-bend flow channel" with two independent bending paths. "Double-bend" refers to the fact that the liquid supply channel 200 undergoes bending deformation in different directions or angles as it extends from the liquid inlet 201 to the first liquid outlet 2021 and the second liquid outlet 2022. This structure can actively control the liquid flow direction using the geometric characteristics of the flow channel itself without adding external driving components. The central axis of inlet 201 refers to the line connecting the center point of the inlet end of inlet 201 to the center point of its outlet end (i.e., before the bifurcation), representing the original flow direction. The central axes of the first outlet 2021 and the second outlet 2022 are the lines connecting the center points of the two ends of the corresponding outlet 202, indicating the final direction of liquid ejection. This design allows the two liquid streams to accurately enter their respective airflow shear zones, preventing poor atomization caused by one side of the liquid stream deviating from the main airflow axis. Furthermore, the double-variable-bend flow channel design also possesses excellent pressure equalization capabilities. In actual operation, if the two branches are geometrically symmetrical, equal flow splitting can be achieved; if asymmetrical bending is used, parameter optimization through fluid dynamics simulation can compensate for the pressure drop imbalance caused by differences in path length, ensuring consistent liquid flow on both sides and preventing flow deviation. This is particularly important in multi-point synchronous atomization applications, helping to maintain the uniformity of the overall atomized particle size distribution. This application achieves the following by adopting a double-bending structure for the liquid supply channel 200, and by making the central axes of the first liquid outlet 2021 and the second liquid outlet 2022 form an angle with the central axis of the liquid inlet 201, effectively guiding the liquid flow direction so that it is aligned with the high-speed airflow area of ​​the corresponding air outlet 102. Without relying on a complex external control mechanism, it improves the gas-liquid mixing efficiency and atomization consistency, and solves the problems of uneven liquid distribution, incomplete atomization coverage and poor local atomization effect that are prone to occur in traditional multi-outlet atomizing cores. In this way, it improves the overall atomization performance and operational stability of the aroma diffuser.

[0039] As another embodiment of this application, such as Figures 1 to 5 As shown, the portion of the air intake channel 100 near the air outlet 102 forms a funnel shape, with the diameter of the air intake 101 being larger than the diameter of the air outlet 102. This embodiment optimizes the compressed gas flow path by designing the air intake channel 100 as a tapering funnel-shaped structure near the air outlet 102 and making the cross-sectional area of ​​the air intake 101 significantly larger than that of the air outlet 102. This structure effectively increases the velocity and kinetic energy density of the airflow in the outlet region without changing the external air supply conditions, thereby enhancing the shearing effect and atomization capability on the liquid phase.

[0040] Meanwhile, because the airflow undergoes a smooth acceleration process in the contraction section, it avoids the violent disturbances caused by sudden expansion or contraction, which helps to reduce flow noise and improve user comfort. Specifically, "the portion of the air intake channel 100 near the air outlet 102 forms a funnel shape" means that as the air intake channel 100 extends from the air inlet 101 to the air outlet 102, the inner diameter of the air intake channel 100 gradually decreases axially, presenting an overall converging geometric profile similar to the inlet section of a frustum. This funnel shape can be a linear conical surface, a nonlinear curved surface (such as a parabola or hyperbola), or other continuously smoothly transitioning variable cross-section forms, as long as the airflow can accelerate smoothly.

[0041] Optionally, the cone angle of the funnel section is set between 15° and 60° to balance acceleration efficiency and pressure drop loss. If the angle is too small, the channel will be too long, increasing flow resistance; if the angle is too large, boundary layer separation will easily occur, generating eddy noise. The key dimensional relationship for achieving the Venturi effect is that the diameter of the inlet 101 is larger than the diameter of the outlet 102. Typically, the diameter of the inlet 101 can be 1.5 to 4 times the diameter of the outlet 102. When this high-speed airflow encounters the liquid medium film flowing from the adjacent liquid outlet 202, the velocity difference between the gas and liquid interfaces generates a strong shear force, causing the liquid to break into micron-sized fine mist, achieving efficient atomization.

[0042] In the above embodiment, the funnel shape provides a spatial path for airflow acceleration, while the difference in diameter between the inlet 101 and the outlet 102 determines the degree of acceleration. The combined effect of these two factors ensures that the compressed gas possesses high directional kinetic energy upon reaching the outlet 102, reducing turbulent pulsation components. This not only improves energy utilization but also suppresses aerodynamic noise caused by airflow turbulence.

[0043] Furthermore, this structure achieves good atomization without relying on rotating parts or high-frequency vibrating elements, which simplifies the overall structure, reduces manufacturing costs, and improves reliability. Thus, this application achieves improved airflow utilization efficiency, enhanced atomization stability, and significantly reduced operating noise by optimizing the fluid dynamics of the local structure of the air intake channel 100 while maintaining the same atomization output performance. For example, under constant air source pressure, compared to the traditional straight-tube air intake channel 100 structure, the funnel-shaped design in this embodiment achieves a higher flow rate at the air outlet 102, while the measured noise level decreases by approximately 9 decibels, effectively improving the user experience. This technical solution is particularly suitable for home aroma diffuser scenarios where quiet operation is crucial.

[0044] As another embodiment of this application, such as Figures 1-4As shown, the atomizing core body 10 is provided with a flange edge 103. By providing the flange edge 103 on the outside of the atomizing core body 10, the stability and sealing performance during the overall assembly process are improved. This design mainly addresses the problems of loose connection, easy leakage, and poor installation guidance between the atomizing core and the device housing in existing technologies, providing a structural solution that facilitates assembly and has good sealing performance. The flange edge 103 refers to a raised structure formed on the outer peripheral surface of the atomizing core body 10, extending axially along the atomizing core and surrounding the outer wall of the body, which can be used to achieve mechanical limiting and sealing fit with the inner cavity of the aroma diffuser.

[0045] The flange 103 can be a one-piece molded structure, made of the same material as the atomizing core body 10, ensuring that it does not swell or age under long-term contact with liquid media. Alternatively, it can be made of a flexible polymer material according to actual needs. The cross-sectional shape of the flange 103 can be flexibly adjusted according to the design of the matching cavity, such as a rectangular, trapezoidal, semi-circular, or chamfered polygonal structure. Its dimensional parameters can be set according to the internal space of the equipment and the interference fit requirements. When the atomizing core is inserted into the equipment installation position, the flange 103 forms an interference fit or elastic snap-fit ​​with the inner wall of the equipment, which can prevent axial movement and effectively block gas or liquid from bypassing and leaking through non-channel paths.

[0046] As an optional implementation, the flange 103 can be configured as a single-ring or multi-ring structure. When multiple rings are arranged, a certain distance is maintained between each ring to further improve sealing reliability. Alternatively, micro-textures or buffer grooves 104 can be added to the surface of the flange 103 to improve the stress distribution at the sealing interface and reduce local wear. In addition, the flange 103 can also serve as an assembly guide, guiding the atomizing core to be correctly positioned during insertion and avoiding sealing failure or component damage due to misalignment. Because the flange 103 is provided on the atomizing core body 10, the atomizing core can obtain reliable axial limiting and radial sealing when installed in the aroma diffuser, thereby solving the technical problems of unstable installation, easy loosening, and poor sealing in traditional structures. This improves the safety and ease of assembly of the product, while effectively preventing liquid medium leakage and airflow short-circuiting, ensuring the stable operation of the atomization system.

[0047] As another typical embodiment of this application, such as Figure 1 and Figure 3As shown, a buffer groove 104 is provided inside the air intake channel 100 at a position opposite to the air intake port 101. This embodiment proposes a structural design to improve airflow stability and reduce operating noise. By providing a buffer groove 104 on the wall surface inside the air intake channel 100, directly opposite the air intake port 101, the impact effect generated when high-pressure gas enters can be effectively mitigated, thereby suppressing vibration and noise problems caused by airflow reflection and vortex resonance. This technique does not rely on vortices or complex mechanical structures, but rather optimizes the geometry of key positions in the airflow path to achieve energy dissipation and flow disturbance control of transient pressure fluctuations.

[0048] The "air intake channel 100" refers to the internal passage that runs through the atomizing core body 10 and guides compressed gas from the air intake port 101 to multiple air outlets 102. It has a longitudinally extending structure and functions to deliver the air source provided by the external air supply system to the atomization area. This air intake channel 100 is typically integrally formed from the atomizing core body 10, and the material can be engineering plastic or metal, possessing good pressure resistance and airtightness.

[0049] The cross-sectional shape of the intake channel 100 can be designed as circular, elliptical, or polygonal as needed to match different flow characteristics and assembly requirements. The "intake port 101" is the upstream inlet of the intake channel 100, used to connect to an external air source device (such as a miniature air compressor or pump) to receive compressed gas at a certain pressure. Its diameter is typically larger than the downstream outlet 102, forming a tapered flow channel, which helps to increase the gas velocity and stabilize the flow distribution.

[0050] The central axis of the air inlet 101 generally coincides with the main axis of the air intake channel 100, ensuring that the airflow propagates in a predetermined direction. The "buffer groove 104" refers to a localized recessed structure on the inner wall of the air intake channel 100, opposite the air inlet 101, located in the area directly impacted by the high-pressure airflow. This buffer groove 104 is not a through-hole, but rather a cavity formed by carving into the core from the inner surface of the channel. Its shape can be semi-circular, U-shaped, V-shaped, or rectangular, with a depth generally ranging from 0.1 mm to 1.5 mm and a width from 0.3 mm to 3 mm. Specific parameters are adjusted according to the actual air pressure range (commonly 30 kPa–150 kPa) and the channel dimensions. The function of the buffer groove 104 is to absorb the kinetic energy of the initial inlet airflow, break the airflow symmetry, prevent the formation of regular vortices and standing waves, and thus weaken the basis for high-frequency noise generation. Furthermore, this structure can also serve as a temporary buffer chamber, smoothing pressure peaks and improving the uniformity of the output air under pulsating air supply conditions.

[0051] As an alternative implementation, the buffer groove 104 can be configured as a single central groove, symmetrically positioned along the axis of the intake channel 100; alternatively, an array of multiple spaced-apart small buffer grooves 104 can be arranged laterally or circumferentially to enhance the turbulence effect. For example, in high-flow applications, using three equidistant U-shaped grooves instead of a single wide groove can further disperse the impact force without significantly increasing pressure loss. In another variation, the surface of the buffer groove 104 can be machined with micro-textures (such as mesh or serrations) to promote boundary layer separation and accelerate the energy dissipation process. There is a functional linkage between the above structural elements: when compressed gas is injected at high speed from the intake port 101, the mainstream moves axially, and some of the airflow continues forward due to inertia and collides with the opposite channel wall. Without any intervention, this impact can easily trigger periodic vortex shedding and acoustic resonance, leading to increased equipment operating noise.

[0052] The presence of the buffer groove 104 alters the local flow field boundary conditions, causing the originally concentrated reflected waves to diffuse into multi-directional weak disturbances, while simultaneously inducing small-scale turbulence and accelerating the conversion of kinetic energy into thermal energy. This process not only reduces the system's acoustic radiation intensity but also reduces secondary noise caused by vibration transmission to the outer shell. Without altering the basic layout of the intake channel 100 and its atomization efficiency, the simple buffer groove 104 passively regulates the critical impact zone. Since the buffer groove 104 is located inside the intake channel 100 and directly opposite the intake port 101, it can intervene in dynamic behavior at the initial stage of airflow, effectively weakening the vibration excitation source generated by the impact of high-pressure gas on the inner wall. This design is a crucial component in achieving an overall noise reduction of approximately 9 decibels, particularly effective in suppressing harsh noises in the mid-to-high frequency range (2kHz–8kHz). Furthermore, this structure requires no additional parts or active control modules, is compatible with integrated injection molding or precision machining processes, is suitable for mass production, and possesses significant practicality and promotional value.

[0053] As another typical embodiment of this application, refer to Figures 6-8 Based on the above embodiments, this embodiment further provides: an operating lever 300, the operating lever 300 having a bent portion 301, the bent portion 301 being provided with an insert rod 302, and the end of the operating lever 300 away from the bent portion 301 having a grip portion 303; the atomizing core body 10 is provided with a mounting rib 310, and the mounting rib 310 is provided with an insertion hole 311 that is compatible with the insert rod 302.

[0054] This embodiment provides an operating structure that facilitates the replacement of the atomizer coil. By introducing a mechanical connection between the operating lever 300 and the atomizer coil body 10, it improves the problem of users having to directly contact the atomizer coil during disassembly and assembly. The operating lever 300, as an external operating component, comprises three main functional areas: a grip 303, a bending part 301, and a insertion rod 302. The grip 303 is located at one end of the operating lever 300, allowing the user to grip and apply force. Its shape can be flat, curved, or have a non-slip texture to improve grip comfort and operational stability. The material can be engineering plastic or metal with a certain strength and elasticity to ensure that it is not easily broken or deformed during long-term use. The bending part 301 is located between the grip 303 and the insertion rod 302. Its structure is bent at a certain angle to adapt to the internal spatial layout of the atomizing device, enabling the operating lever 300 to achieve effective transmission within a limited installation space.

[0055] This bending structure not only avoids other components (such as circuit elements and the liquid reservoir wall), but also rationally converts the direction of the pulling force applied by the user to the grip 303, thereby transmitting it more efficiently to the insertion rod 302 and the entire atomizing core body 10. The cross-sectional shape of the bending part 301 can be circular, rectangular, or polygonal, depending on the assembly process and force requirements. The insertion rod 302 is set on the bending part 301, serving as the connection interface between the operating lever 300 and the atomizing core body 10. Its shape is generally a cylindrical or square columnar protrusion, with dimensions matching the insertion hole 311 to ensure sufficient connection strength and positioning accuracy after insertion. The insertion rod 302 can be integrally formed on the surface of the bending part 301, or it can be fixed by welding, riveting, or snap-fitting; the specific implementation method is not limited.

[0056] Multiple insertion rods 302 can be arranged side-by-side to enhance connection reliability, especially suitable for atomizing core modules with large mass or high vibration conditions. Correspondingly, mounting ribs 310 are provided on the outer periphery or bottom of the atomizing core body 10. These mounting ribs 310 are reinforcing structures extending from the surface of the body, which can be used to improve the overall structural rigidity and also serve as a load-bearing base for the insertion holes 311. The insertion holes 311 are formed on the mounting ribs 310, and their inner diameter or inner contour is adapted to the shape of the insertion rods 302 to form an interference fit, transition fit, or elastic snap fit relationship, ensuring that the insertion rods 302 will not easily loosen after insertion, while allowing disassembly by appropriate external force. The insertion holes 311 can be designed as blind holes or through holes. If through holes are used, they can also be used with limit plates or snap rings to achieve secondary locking. The various parts of the operating lever 300 are connected by a continuous structure, presenting an integrated structure, which facilitates manufacturing and assembly. The operating lever 300 and the atomizer coil body 10 are physically connected via the insertion rod 302 and the insertion hole 311, creating a detachable mechanical connection that allows users to replace the atomizer coil without directly touching the coil surface. When disassembly is required, simply grasp the grip 303 and pull it outwards smoothly to move the entire atomizer coil along the mounting track and detach it from the main body of the device; installation is done in reverse to complete positioning and locking. There is a clear functional division and spatial coordination among the components: the grip 303 handles human-machine interaction, the bending part 301 facilitates the spatial transfer of force transmission paths, the insertion rod 302 and the insertion hole 311 form a reliable mechanical anchor point, and the mounting rib 310 provides a structural support base. This layout balances ease of operation, structural compactness, and connection stability. This application achieves a user-friendly improvement to the atomizer coil replacement process.

[0057] Because of the operating lever 300 with a grip 303, and its detachable connection to the insertion hole 311 on the mounting rib 310 via the insertion rod 302, users can avoid direct contact with the coil surface when replacing the atomizing coil, effectively preventing residual liquid from contaminating the skin and improving hygiene and safety. Simultaneously, the lever's leverage and structural guidance reduce the difficulty of disassembly and assembly, improving operational efficiency. This solution is particularly suitable for diffuser devices where consumables are frequently replaced, demonstrating good practical value and promising prospects for widespread adoption.

[0058] In another embodiment of this application, the insertion rod 302 includes a first insertion rod 3021 and a second insertion rod 3022, and the insertion hole 311 includes a first insertion hole 3111 and a second insertion hole 3112 that are interconnected and adapted to the first insertion rod 3021 and the second insertion rod 3022. This embodiment improves the connection stability and assembly reliability between the operating lever 300 and the atomizing core body 10 by setting a double insertion structure. The first insertion rod 3021 and the second insertion rod 3022 extend from the bent portion 301 of the operating lever 300, respectively, and are used to achieve corresponding insertion and engagement with the first insertion hole 3111 and the second insertion hole 3112 provided on the mounting rib 310 on the atomizing core body 10. The first insertion rod 3021 and the second insertion rod 3022 are arranged at a certain distance in space, and can be symmetrically or asymmetrically distributed. Their cross-sectional shape can be circular, elliptical, or polygonal, and the material can be engineering plastic or metal with a certain elasticity and strength to ensure guidance and wear resistance during insertion. Accordingly, the first insertion hole 3111 and the second insertion hole 3112 are disposed on the mounting rib 310, with their positions precisely corresponding to the first insertion rod 3021 and the second insertion rod 3022. The hole shape matches the shape of the insertion rod 302, ensuring a smooth insertion process and a firm connection. Specifically, the first insertion rod 3021 and the first insertion hole 3111, and the second insertion rod 3022 and the second insertion hole 3112 form a two-point positioning connection mechanism. This structure not only improves the overall mechanical strength of the connection but also effectively disperses the stress applied to individual insertion points during assembly and disassembly, preventing insertion rod breakage or insertion hole 311 deformation and expansion due to excessive local stress. Furthermore, the two-point insertion design has a self-alignment function. Even if there is a slight deviation in the initial stage of assembly, the position can be automatically corrected through the coordinated guidance of the two insertion points, preventing the operating lever 300 from tilting or rotating, thereby improving assembly efficiency and operational feel. For example, when the user pushes the operating lever 300 into the atomizer core body 10, the first insertion rod 3021 and the second insertion rod 3022 simultaneously enter the corresponding insertion hole 311, achieving rapid positioning and locking. The grip part 303 can stably transmit operating force, facilitating the overall installation or replacement of the atomizer core. The bent part 301 on the operating lever 300 serves as a transition connecting section, connecting the grip part 303 and the insertion rod 302. Its geometry can be adaptively adjusted according to the installation space. The mounting ribs 310 are fixed to the outer periphery of the atomizer core body 10, providing structural support and supporting the insertion hole 311 assembly. There can be one or more of them, and each mounting rib 310 has at least one set of insertion holes 311 (i.e., the first insertion hole 3111 and the second insertion hole 3112) to match multiple insertion rod configurations. The fit tolerance between the insertion rod 302 and the insertion hole 311 is set according to the actual material properties, ensuring sufficient interference to maintain connection stability while avoiding excessive insertion resistance that affects the user experience. This application achieves a more reliable and durable detachable connection between the operating lever 300 and the atomizer core body 10.Because it adopts a corresponding matching structure of double plug rods and double plug holes, it solves the problems of easy loosening, easy wear and low assembly precision of traditional single-point connection. Therefore, it significantly enhances the stability and durability of the connection parts, and is especially suitable for aroma diffuser devices that require frequent replacement of atomizing coils, thereby improving the safety of the product and the convenience of human-computer interaction.

[0059] This application also includes a diffuser device, wherein an atomizing core is installed on the diffuser device, and the atomizing core is the atomizing core described in the above embodiments. Existing diffusers often face problems such as uneven atomization, high operating noise, and complex structure leading to maintenance difficulties during use. Existing atomizing cores are mostly multi-component assembly structures, especially swirling atomization designs that rely on gas rotation to achieve atomization. This is not only cumbersome and costly to assemble, but also generates significant noise during operation, affecting the user experience. Furthermore, users often need to directly contact the internal structure when replacing atomizing components, which can easily cause liquid contamination, posing hygiene risks and operational inconvenience. Therefore, providing a simplified, low-noise, efficient, and easy-to-install and replace atomization solution is key to improving the overall performance of diffusers.

[0060] The above description is merely an embodiment of this application and is not intended to limit the scope of protection of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application. The above description is only a partial implementation of this application. It should be noted that those skilled in the art can make several improvements and modifications without departing from the principles of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. An atomizing core, comprising an atomizing core body, wherein the atomizing core body has an air intake channel and a liquid supply channel, the liquid supply channel being located at the lower part of the air intake channel; characterized in that: The air intake channel has an air inlet and multiple air outlets located below the air inlet; the liquid supply channel has a liquid inlet and multiple liquid outlets located above the liquid inlet; the liquid outlets are located below the corresponding air outlets.

2. The atomizing core according to claim 1, characterized in that, The air outlet includes a first air outlet and a second air outlet, and the liquid outlet includes a first liquid outlet and a second liquid outlet, with the first air outlet and the second air outlet located above the first liquid outlet and the second liquid outlet, respectively.

3. The atomizing core according to claim 1 or 2, characterized in that, The liquid supply channel is configured as a curved flow channel, with the central axis of each liquid inlet forming an angle with the central axis of the corresponding liquid outlet.

4. The atomizing core according to claim 2, characterized in that, The liquid supply channel is configured as a double-bend flow channel, with the central axis of the first liquid outlet and the central axis of the second liquid outlet forming an angle with the central axis of the liquid inlet, respectively.

5. The atomizing core according to claim 1 or 2, characterized in that, The portion of the air intake channel near the air outlet forms a funnel shape, and the diameter of the air intake is larger than the diameter of the air outlet.

6. The atomizing core according to claim 1, characterized in that, The atomizing core body is provided with a flange edge.

7. The atomizing core according to claim 1, characterized in that, A buffer groove is provided in the air intake channel at a position opposite to the air intake port.

8. The atomizing core according to claim 1, characterized in that, It also includes an operating lever, which has a bent portion, a plug in the bent portion, and a grip portion at the end of the operating lever away from the bent portion; The atomizing core body is provided with a mounting rib, and the mounting rib is provided with a plug hole that is compatible with the plug rod.

9. The atomizing core according to claim 8, characterized in that, The insertion rod includes a first insertion rod and a second insertion rod, and the insertion hole includes a first insertion hole and a second insertion hole that are connected and adapted to each other with the first insertion rod and the second insertion rod.

10. A fragrance diffuser, characterized in that, The aroma diffuser is equipped with an atomizing core as described in any one of claims 1-9.

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