Atomizer and electronic atomization device

Abstract

The application relates to the technical field of atomizers, in particular to an atomizer and an electronic atomization device. The atomizer comprises a liquid storage cavity for storing an atomizable liquid substrate; an atomization assembly comprising a liquid guide in fluid communication with the liquid storage cavity and a heating element combined on the liquid guide for heating the liquid substrate to generate an aerosol; and an air guide tube for transmitting the aerosol, the air guide tube extending in the liquid storage cavity and having a first end face towards the atomization assembly, the first end face being provided with an air inlet port for the aerosol to enter the air guide tube; wherein the liquid guide has a first surface towards the air guide tube, and a gap of 0.1-0.3 mm is maintained between the air inlet port and the first surface. In this way, the formation of a liquid column of condensed liquid at the air inlet port can be avoided, and the gurgling sound caused by the liquid column during suction can be avoided.

Description

Technical Field

[0001] This application relates to the field of atomization technology, and in particular to an atomizer and an electronic atomization device. Background Technology

[0002] Traditional tobacco products (e.g., cigarettes, cigars, etc.) produce tobacco smoke through combustion during use. Existing technologies offer alternatives to these traditional tobacco products by releasing compounds through heating without combustion. Examples of such products are electronic atomizing devices, which typically include an atomizing component for atomizing a liquid matrix to produce inhalable vapor or aerosol. This liquid matrix may contain nicotine and / or flavorings and / or aerosol-generating substances (e.g., glycerin).

[0003] The above-mentioned electronic atomizing devices typically include an air guide tube. The air inlet of the air guide tube is connected to the atomizing component, so that the aerosol generated by the atomizing component can enter the air guide tube through the air inlet and be transmitted to the mouthpiece of the electronic atomizing device for the user to inhale.

[0004] The existing air tube design is prone to forming a liquid column of condensate at its air inlet during atomization, which can cause a gurgling sound when the user inhales, affecting the user's inhalation experience. Utility Model Content

[0005] This application provides an atomizer to solve the technical problem that liquid columns easily form at the air inlet of the air delivery tube, resulting in a gurgling sound during inhalation.

[0006] At least one embodiment of this application provides an atomizer, including:

[0007] The liquid storage chamber is used to store atomizable liquid matrix;

[0008] The atomizing assembly includes a liquid guide that is in fluid communication with the liquid reservoir, and a heating element attached to the liquid guide for heating the liquid matrix to generate an aerosol.

[0009] An air guide tube for transporting the aerosol extends in the liquid storage chamber and has a first end face facing the atomizing component. The first end face is provided with an air inlet port for the aerosol to enter the air guide tube.

[0010] The liquid guiding component has a first surface facing the air guiding tube, and the air inlet port maintains a gap of 0.1 mm to 0.3 mm with the first surface.

[0011] In one embodiment, the first end face is provided with at least one groove communicating with the air intake port.

[0012] In one embodiment, the grooves include a plurality of grooves that are evenly surrounding the air intake port.

[0013] In one embodiment, one end of the groove is connected to the air intake port, and the other end is connected to the edge of the first end face.

[0014] In one embodiment, the groove has a depth of 0.3 mm to 0.5 mm.

[0015] In one embodiment, the groove has a width of 0.3 mm to 0.5 mm.

[0016] In one embodiment, the atomizer further includes a reservoir in communication with the reservoir chamber and surrounding the liquid guide, the reservoir abutting against the liquid guide, the reservoir having a second surface facing the air guide tube, and the liquid guide at least partially protruding from the second surface.

[0017] In one embodiment, the height of the liquid guide protruding from the second surface is between 0.8 mm and 1.2 mm.

[0018] In one embodiment, the atomizer further includes a liquid reservoir surrounding the liquid guide, the liquid reservoir including a first liquid reservoir and a second liquid reservoir spaced apart along the axial direction of the atomizer, the first liquid reservoir communicating with the liquid reservoir cavity and surrounding the liquid guide;

[0019] The atomizer also includes an air outlet for providing an airflow outlet for the atomizer to escape the atomizer, and the second liquid reservoir is closer to the air outlet than the first liquid reservoir.

[0020] At least one embodiment of this application also provides an electronic atomizing device, including a power supply assembly and the atomizer described in the above embodiments, wherein the power supply assembly is used to connect to the atomizer and supply power to the atomizer.

[0021] The atomizer provided in the above embodiments sets the gap between the air inlet port and the first surface of the liquid guide component between 0.1mm and 0.3mm, thereby reducing the distance between the air inlet port and the liquid guide component. When the high-temperature aerosol forms condensate in the air guide tube and flows to the air inlet port from the inner wall of the air guide tube, the condensate can be absorbed and re-atomized by the liquid guide component, avoiding the formation of a liquid column at the air inlet port, and thus avoiding the gurgling sound caused by the presence of the liquid column during suction. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments of this application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the drawings without creative effort.

[0023] Figure 1 This is an exploded structural diagram of an atomizer provided in one embodiment of this application;

[0024] Figure 2 yes Figure 1 A cross-sectional structural schematic diagram of one embodiment of a central atomizer;

[0025] Figure 3 yes Figure 2 Enlarged diagram of section A in the middle;

[0026] Figure 4 yes Figure 2 Cross-sectional schematic diagram of the central airway tube;

[0027] Figure 5 This is a schematic diagram of the structure of an electronic atomizing device provided in an embodiment of this application. Detailed Implementation

[0028] To facilitate understanding of this application, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "fixed to" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as being "connected" to another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this specification are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of this application. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0030] One embodiment of this application provides an atomizer 100; please refer to [link to relevant documentation]. Figure 1 and Figure 2The atomizer 100 includes a housing 1, an atomizing component 2, and a support 3. The housing 1 defines a liquid storage chamber 11 for storing a liquid matrix. The atomizing component 2 is disposed in the housing 1 and is in fluid communication with the liquid storage chamber 11, so that the liquid matrix in the liquid storage chamber 11 can be transferred to the atomizing component 2. The atomizing component 2 is used to atomize the liquid matrix to generate an aerosol. The support 3 includes a base 31 for supporting the atomizing component 2 and a first tube 32 extending from the base 31 toward the liquid storage chamber 11. The first tube 32 is a tubular structure with a hollow cavity 321. The atomizing component 2 includes a second tube 21, at least a portion of which... The first tube 32 and the second tube 21 are collinear, with their center lines collinear. A first gap (not shown) extending axially from the second tube 21 to the first tube 32 is maintained between them. The first gap is filled with a liquid reservoir, which includes a first liquid reservoir 4 and a second liquid reservoir 5 spaced apart along the axial direction of the atomizer 100. The first liquid reservoir 4 is annular and surrounds the atomizing assembly, at least partially abutting against it. The first liquid reservoir 4 communicates with the liquid storage chamber 11 to absorb and retain the liquid matrix, thereby transferring the liquid matrix in the liquid storage chamber 11 to the atomizing assembly 2. Specifically, the first tube 32 has a liquid guiding hole 321 on its wall, through which the liquid matrix in the liquid storage chamber 11 flows to the first liquid reservoir 4. The housing 1 is also provided with an outlet 12 for the aerosol to escape from the atomizer 100, and the second liquid storage component 5 is closer to the outlet 12 than the first liquid storage component 4.

[0031] With the above structure, when the atomizer 100 is inverted and subjected to temperature or pressure, the volume of the bubbles in the liquid storage chamber 11 increases, thereby squeezing the liquid matrix in the liquid storage chamber 11. This causes the liquid matrix to overflow from the first liquid storage component 4. The liquid matrix overflowing from the first liquid storage component 4 can flow to the second liquid storage component 5, which is spaced apart from the first liquid storage component 4, under the influence of its own gravity. Thus, the overflowing liquid matrix is ​​stored in the second liquid storage component 5. Furthermore, as the liquid matrix is ​​transferred between the first liquid storage component 4 and the second liquid storage component 5, the porous structure of the liquid storage component itself will cause capillary action between the first liquid storage component 4 and the second liquid storage component 5, further ensuring that the liquid matrix overflowing from the first liquid storage component 4 can be absorbed and stored by the second liquid storage component 5, thus preventing the liquid matrix from leaking to the outside of the electronic device and affecting the user's use.

[0032] Understandably, the liquid matrix may contain a liquid containing tobacco-containing substances with volatile tobacco flavor components, or it may contain a liquid containing non-tobacco substances. The liquid matrix may contain water, pharmaceutical solutions, solvents, ethanol, plant extracts, fragrances, flavorings, or vitamin mixtures, etc. Fragrances may include areca nut extract, menthol, peppermint, spearmint oil, various fruit flavor components, etc., but are not limited to these. Flavorings may contain ingredients that can provide the user with various fragrances or flavors. Vitamin mixtures may be mixtures containing at least one of vitamins A, B, C, and E, but are not limited to these. Based on the different properties of the liquid matrix, the atomizer 100 can be used in different fields, such as medical and electronic aerosol atomization.

[0033] It should be noted that the second liquid storage component 5 is closer to the air outlet 12 than the first liquid storage component 4. This ensures that when the atomizer 100 is inverted, the liquid matrix overflowing from the first liquid storage component 4 is preferentially absorbed by the second liquid storage component 5, and will not leak directly from the air outlet 12 into the external environment. This ensures the atomizer 100's ability to prevent the liquid matrix from leaking into the outside environment.

[0034] The materials of the first liquid storage component 4 and the second liquid storage component 5 need to ensure that they have a loose and porous structure to ensure that they can adsorb and store the liquid matrix. Common optional materials for the first liquid storage component 4 and the second liquid storage component 5 are: fiber cotton, porous ceramic, organic cotton or undyed cotton, non-woven fabric or fiberglass rope, etc.

[0035] It is understandable that the first liquid reservoir 4 and the second liquid reservoir 5 are fixed in the first gap by methods including but not limited to: adhesive bonding, interference fit, snap-fit, welding, etc. Examples will not be provided here.

[0036] For further explanation, please refer to [link / reference]. Figure 2 The first liquid storage component 4 and the second liquid storage component 5, which are spaced apart, can form a second gap S2 between the first liquid storage component 4 and the second liquid storage component 5. The existence of the second gap S2 allows the first liquid storage component 4 and the second liquid storage component 5 to form two independent components. When no overflow occurs, the liquid matrix stored in the first liquid storage component 4 forms an air isolation layer in the second gap S2, which prevents the liquid matrix in the first liquid storage component 4 from being transferred to the second liquid storage component 5 through physical contact, and ensures that the second liquid storage component 5 can absorb the liquid matrix that overflows from the first liquid storage component 4.

[0037] Understandably, the lengths of the first liquid storage component 4 and the second liquid storage component 5 along the axial direction of the first tube 32 can be selected according to actual needs. For example, the length of the second liquid storage component 5 can be greater than the length of the first liquid storage component 4 to improve the ability of the second liquid storage component 5 to store the overflowing liquid matrix; or the length of the second liquid storage component 5 can be less than or equal to the length of the first liquid storage component 4 to ensure the rate at which the first liquid storage component 4 transfers the liquid matrix to the atomizing component 2.

[0038] In some embodiments, please refer to Figure 2 and Figure 3 The housing 1 includes an air duct 13 extending from the liquid storage chamber 11. One end of the air duct 13 defines the aforementioned air outlet 12, and the other end of the air duct 13 is connected to the atomizing component 2. The air duct 13 is configured to receive and conduct aerosol to the air outlet 12 so that the generated aerosol can be delivered to the external environment through the air outlet 12 for the user to inhale. The outer side wall of the air duct 13, the inner side wall of the housing 1, and the aforementioned support 3 together define the aforementioned liquid storage chamber 11.

[0039] In some embodiments, please refer to Figure 3 The air guide tube 13 has a first end face 131 facing the atomizing component 2. The first end face 131 is provided with an air inlet port 1311 for aerosol to enter the air guide tube 13. The atomizing component 2 includes a liquid guide 22 located inside the second tube body 21 and a heating element 23 combined with the liquid guide 22. The first liquid storage element 4 surrounds the liquid guide 22 and has at least partial radial overlap with the liquid guide 22 to ensure that the liquid matrix absorbed and stored by the first liquid storage element 4 can be transported to the liquid guide 22. Then, the liquid guide 22 can further transfer the liquid matrix to the heating element 23 for heating and atomization.

[0040] The liquid guiding component 22 has a first end face 221 facing the air guiding tube 13. There is a gap of 0.1 mm to 0.3 mm between the air inlet port 1311 and the first end face 221. When the high-temperature aerosol is transported in the air guiding tube 13, it comes into contact with the inner wall of the air guiding tube 13 to form condensate. The condensate will flow along the inner wall of the air guiding tube 13 towards the air inlet port 1311. In this embodiment, since there is a small gap d of 0.1 mm to 0.3 mm between the air inlet port 1311 and the first end face 221, the condensate that flows back under capillary action can be reabsorbed and atomized by the liquid guiding component 22, which can avoid the formation of a liquid column at the air inlet port 1311, and thus avoid the gurgling sound caused by the presence of the liquid column during suction.

[0041] In some embodiments, such as Figure 3 As shown, the first end face 131 also includes at least one groove 1312 communicating with the air inlet port 1311. The groove 1312 can break the liquid film of the condensate flowing to the air inlet port 1311, which is beneficial for the condensate to form a liquid column at the air inlet port 1311.

[0042] In some embodiments, such as Figure 3 As shown, in order to further enhance the effect of the groove 1312 in breaking the liquid film of the condensate, the groove 1312 includes multiple grooves, and the multiple grooves 1312 are evenly surrounding the air inlet port 1311.

[0043] In some embodiments, such as Figure 3 As shown, one end of the groove 1312 is connected to the air inlet port 1311, and the other end is connected to the edge of the first end face 131, so as to extend the length of the groove 1312, which is beneficial to improving the effect of the groove 1312 in breaking the liquid film of the condensate.

[0044] In some embodiments, in order for the groove 1312 to function as a film breaking the condensate, the groove 1312 has a depth of 0.3 mm to 0.5 mm. Alternatively, in some embodiments, the groove 1312 has a width of 0.3 mm to 0.5 mm.

[0045] In some embodiments, such as Figure 3 As shown, the first liquid storage component 4 has a second end face 41 facing the vent pipe 13, and the liquid guide component 22 protrudes at least partially from the second end face 41. That is, the first end face 221 of the liquid guide component 22 is closer to the vent pipe 13 than the second end face 41 of the first liquid storage component 4. Thus, the portion of the liquid guide component 22 protruding from the second end face 41 will not become oversaturated due to absorbing the liquid matrix transferred from the first liquid storage component 4, thereby facilitating the absorption of condensate flowing back from the vent pipe 13.

[0046] In some embodiments, the liquid storage device may be only the first liquid storage device 4, without the need to provide the second liquid storage device 5.

[0047] The portion of the liquid guide 22 protruding from the second end face 41 needs to have a suitable height. If the height is too high, it will be too close to the air guide tube 13, which may cause the air guide tube 13 to be baked by high temperature and produce an odor, affecting the taste of the aerosol. In some embodiments, the height of the liquid guide 22 protruding from the second end face 41 is between 0.8 mm and 1.2 mm.

[0048] In some embodiments, please refer to Figure 2The heating element 23 is arranged around the inner wall of the liquid guiding element 22, and the length of the heating element 23 along the axial direction of the first tube 32 is less than or equal to the length of the liquid guiding element 22, ensuring that the heating range of the heating element 23 always has a liquid matrix to heat it and avoids dry burning. The heating element 23 is used to heat and atomize the liquid matrix transmitted through the liquid guiding element 22 and generate an aerosol. The atomizer 100 also includes a base 7 for providing support for the support base 3 and a conductive element 8 disposed on the base 7. The base 7 includes an electrode hole 71. One end of the conductive element 8 is electrically connected to the heating element 23, and the other end of the conductive element 8 is held in the electrode hole 71 and at least partially exposed on the end face of the base 7. The arrangement of the conductive element 8 exposed on the end face of the base 7 allows the conductive element 8 to be connected to an external power supply device, which facilitates the provision of power support for the heating element 23.

[0049] Understandably, the electrical connection methods between the conductive component 8 and the heating component 23 include, but are not limited to, welding connection, wire connection, contact connection, etc.

[0050] In some embodiments, please continue reading Figure 2 The base 7 is also provided with an air inlet 72. When the user inhales, external air enters the atomizer 100 through the air inlet 72, and then flows further into the atomizing component 2. It carries the aerosol generated after the atomization of the atomizing component and flows further into the air guide tube 13. Finally, it is transmitted by the air guide tube 13 to the air outlet 12 and escapes from the atomizer 100 from the air outlet 12.

[0051] One embodiment of this application also provides an electronic atomizing device 200, which can be found in [reference]. Figure 5 As shown, it includes an atomizer 100 that stores a liquid matrix and atomizes it to generate an aerosol, and a power supply assembly 200 that supplies power to the atomizer 100.

[0052] In an alternative implementation, for example Figure 5 As shown, the power supply assembly 200 includes a receiving cavity 210 disposed at one end along the length direction for receiving and accommodating at least a portion of the atomizer 100, and an electrical contact 220 at least partially exposed on the surface of the receiving cavity 210, for forming an electrical connection with the conductive element 8 of the atomizer 100 to supply power to the atomizer 100 when at least a portion of the atomizer 100 is received and accommodated in the power supply assembly 200.

[0053] A sealing element 230 is provided inside the power supply assembly 200, and the sealing element 230 divides at least a portion of the internal space of the power supply assembly 200 to form the receiving cavity 210. Figure 5In the preferred embodiment shown, the seal 230 is configured to extend along the cross-sectional direction of the power assembly 200, and is preferably made of a flexible material such as silicone, thereby preventing the liquid matrix that seeps from the atomizer 100 into the receiving cavity 210 from flowing into components such as the controller 240 and sensor 250 inside the power assembly 200.

[0054] exist Figure 5 In the preferred embodiment shown, the power supply assembly 200 further includes a battery cell 260 for power supply located at the other end of the receiving cavity 210 along its length; and a controller 240 disposed between the battery cell 260 and the receiving cavity 210, the controller 240 being operable to guide current between the battery cell 260 and the electrical contact 220.

[0055] In use, the power supply assembly 200 includes a sensor 250 for sensing the suction airflow generated when the user inhales through the air outlet 111 of the atomizer 100, and then the controller 240 controls the battery cell 260 to output current to the atomizer 100 according to the detection signal of the sensor 250.

[0056] Further in Figure 5 In the preferred embodiment shown, the power supply assembly 200 has a charging unit 270 at the other end away from the receiving cavity 210 for charging the battery cell 260.

[0057] It should be noted that while preferred embodiments of this application are provided in the specification and accompanying drawings, this application can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are not intended to impose additional limitations on the content of this application; their purpose is to provide a more thorough and comprehensive understanding of the disclosure of this application. Furthermore, the above-described technical features can be combined with each other to form various embodiments not listed above, all of which are considered to be within the scope of this application's specification. Moreover, those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. An atomizer, characterized in that, include: The liquid storage chamber is used to store atomizable liquid matrix; The atomizing assembly includes a liquid guide that is in fluid communication with the liquid reservoir, and a heating element attached to the liquid guide for heating the liquid matrix to generate an aerosol. An air guide tube for transporting the aerosol extends in the liquid storage chamber and has a first end face facing the atomizing component. The first end face is provided with an air inlet port for the aerosol to enter the air guide tube. The liquid guiding component has a first surface facing the air guiding tube, and the air inlet port maintains a gap of 0.1 mm to 0.3 mm with the first surface.

2. The atomizer according to claim 1, characterized in that, The first end face is provided with at least one groove that communicates with the air intake port.

3. The atomizer according to claim 2, characterized in that, The groove includes multiple grooves, which are evenly surrounding the air intake port.

4. The atomizer according to claim 2, characterized in that, One end of the groove is connected to the air intake port, and the other end is connected to the edge of the first end face.

5. The atomizer according to claim 2, characterized in that, The groove has a depth of 0.3 mm to 0.5 mm.

6. The atomizer according to claim 2, characterized in that, The groove has a width of 0.3mm to 0.5mm.

7. The atomizer according to claim 1, characterized in that, The atomizer further includes a liquid reservoir that communicates with the liquid reservoir and surrounds the liquid guide, the liquid reservoir abutting against the liquid guide, the liquid reservoir having a second surface facing the air guide tube, and the liquid guide at least partially protruding from the second surface.

8. The atomizer according to claim 7, characterized in that, The height of the liquid guiding element protruding from the second surface is between 0.8 mm and 1.2 mm.

9. The atomizer according to claim 1, characterized in that, The atomizer also includes a liquid storage component surrounding the liquid guiding component. The liquid storage component includes a first liquid storage component and a second liquid storage component spaced apart along the axial direction of the atomizer. The first liquid storage component communicates with the liquid storage chamber and surrounds the liquid guiding component. The atomizer also includes an air outlet for providing an airflow outlet for the atomizer to escape the atomizer, and the second liquid reservoir is closer to the air outlet than the first liquid reservoir.

10. An electronic atomizing device, characterized in that, It includes a power supply assembly and an atomizer as described in any one of claims 1-9, wherein the power supply assembly is used to connect to the atomizer and supply power to the atomizer.

Images