Nebulizer unit and nebulizer assembly for detour airway

Abstract

The present invention provides an atomization unit for a circuitous air passage, comprising a base, an outer cover, a liquid-conducting body, a support body and a heating element, wherein the base is provided with a first air hole and a second air hole, and the first air hole is connected to the second air hole; the outer cover is provided with a third air hole; the liquid-conducting body is provided with a accommodating cavity connected to both sides; a groove is provided on the outer side of the support body, and the second air hole faces the bottom surface of the support body; the support body supports the heating element to fit on the inner side of the liquid-conducting body, and the groove and the heating element define an air passage, and the air passage is connected to the third air hole; at least part of the bottom surface of the support body and the base define a ventilation space. An atomization assembly is also provided, comprising a housing, an upper cover and the above-mentioned atomization unit for a circuitous air passage. The atomization unit and the atomization assembly for the circuitous air passage integrate the liquid-conducting body, the support body and the heating element in the outer cover, and the first air hole, the second air hole, the ventilation space, the air passage and the third air hole form a circuitous air flow channel, which can prevent the condensate or other liquid formed in the air passage from leaking out.

Description

Technical Field

[0001] The invention relates to the technical field of atomization, and in particular to an atomization unit and an atomization component of a circuitous airway. Background Art

[0002] The atomization unit usually includes a heating element, which heats the liquid to generate aerosol. However, the liquid that enters the airway or the condensed liquid generated in the airway is easy to leak out, affecting the use effect. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an atomization unit and an atomization assembly for a circuitous airway in view of the above-mentioned defects in the related art.

[0004] The technical solution adopted by the present invention to solve the technical problem includes: constructing an atomization unit of a circuitous airway, including:

[0005] A base, wherein a first air hole is provided on the bottom surface thereof and a second air hole is provided on the top surface thereof, wherein the first air hole is connected to the second air hole;

[0006] An outer cover is arranged on the base, and a third air hole is arranged on the outer cover;

[0007] A liquid guide is arranged in the outer cover and is provided with a receiving cavity communicating with both sides;

[0008] A support body is arranged in the accommodating cavity, a groove is arranged on the outer side thereof, and the second air hole faces the bottom surface of the support body;

[0009] and a heating element, arranged in the accommodating cavity, between the liquid-conducting body and the supporting body, the supporting body supporting the heating element to fit inside the liquid-conducting body, so that the liquid-conducting body conducts liquid to the heating element; the heating element covers the groove of the supporting body, so that the groove and the heating element define an air passage, and the air passage is connected to the third air hole;

[0010] At least a portion of the bottom surface of the support body and the base define a ventilation space, and the ventilation space connects the second air hole and the air passage, so that airflow passes through the first air hole, the second air hole, the ventilation space, the air passage and the third air hole in sequence.

[0011] Preferably, the outer cover is provided with a liquid inlet hole leading from the outside to the liquid-conducting liquid, and inside the outer cover, the liquid inlet hole is separated from the air passage and the ventilation space, so that the liquid outside the outer cover can contact with the liquid-conducting liquid and then be conducted to the heating element through the liquid-conducting liquid.

[0012] Preferably, the liquid inlet hole is arranged at a position where the liquid-conducting body contacts the outer cover, and the liquid inlet hole is arranged outside the third air hole.

[0013] Preferably, a protrusion is provided on the top surface of the base, and the second air hole is provided on the top surface and / or side surface of the protrusion.

[0014] Preferably, a concave position corresponding to the protrusion is provided on the bottom surface of the support body, and a distance is provided between the concave position and the protrusion to allow airflow to pass through.

[0015] Preferably, the groove is longitudinal, extending from the bottom surface to the top surface of the support body.

[0016] Preferably, the support body is provided with a heat dissipation groove extending in the circumferential direction.

[0017] Preferably, the outer cover includes a first part standing on the base and a second part connected to the upper edge of the first part and extending inwardly, the first part circumferentially surrounds the side surface of the liquid-conducting liquid, the second part covers the top surface of the liquid-conducting liquid, the third air hole is arranged on the second part; the liquid inlet hole is arranged on the first part and / or the second part.

[0018] Preferably, the outer cover comprises a third portion surrounding the third air hole and standing on the second portion.

[0019] Preferably, the liquid-conducting body is annular.

[0020] The technical solution adopted by the present invention to solve its technical problems includes: constructing an atomization assembly, including a shell, an upper cover and the atomization unit of the above-mentioned circuitous airway, the upper cover is provided with a liquid storage chamber and an air outlet, the upper cover is provided with a fourth air hole, the upper cover covers the third air hole, the atomization unit of the circuitous airway and the upper cover are arranged in the shell, the fourth air hole is communicated with the air outlet, and the liquid storage chamber is communicated with the liquid inlet hole, so that air flow passes through the first air hole, the second air hole, the ventilation space, the air outlet, the third air hole, the fourth air hole and the air outlet in sequence.

[0021] The implementation of the technical solution of the present invention has at least the following beneficial effects: the atomization unit and the atomization assembly of the circuitous air duct integrate the liquid-conducting body, the support body and the heating body in the outer cover; the first air hole, the second air hole, the ventilation space, the air duct and the third air hole constitute a circuitous airflow channel, which can prevent the condensation or other liquid formed in the air duct from leaking out. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 It is a perspective view of an atomization unit according to a first embodiment of the present invention.

[0024] Figure 2 yes Figure 1 Top view of the atomization unit.

[0025] Figure 3 yes Figure 1 Exploded view of the atomization unit.

[0026] Figure 4 The atomizing unit of the first embodiment of the present invention is Figure 2 Cross-sectional view at position AA (arrows indicate the direction of airflow).

[0027] Figure 5 It is a perspective view of the outer cover of the atomizing unit according to the first embodiment of the present invention.

[0028] Figure 6 The atomizing unit of the second embodiment of the present invention is Figure 2 Cross-sectional view at position AA (arrows indicate the direction of airflow).

[0029] Figure 7 It is a perspective view of an outer cover of an atomizing unit according to a second embodiment of the present invention.

[0030] Figure 8 The atomizing unit of the third embodiment of the present invention is Figure 2 Cross-sectional view at position AA (arrows indicate the direction of airflow).

[0031] Fig. 9 It is a perspective view of an outer cover of an atomizing unit according to a third embodiment of the present invention.

[0032] Fig.10 yes Figure 1 A three-dimensional view of a support body of an atomization unit.

[0033] Fig.11 It is a top view of an atomization unit according to a fourth embodiment of the present invention.

[0034] Fig.12 yes Fig.11 Exploded view of the atomization unit.

[0035] Fig.13 yes Fig.11 Cross-sectional view of the atomization unit at the CC position.

[0036] Fig.14 yes Fig.11 A three-dimensional view of a support body of an atomization unit.

[0037] Fig.15 It is a stereoscopic view of an atomization assembly according to an embodiment of the present invention.

[0038] Fig.16 yes Fig.15 Cross-sectional view at the middle BB position (arrows indicate the direction of airflow).

[0039] The reference numerals in the figure indicate: atomization unit 1 of the circuitous airway;

[0040] Outer cover 11;

[0041] Part I 111;

[0042] Part II 112;

[0043] Part III 113;

[0044] The third air hole 11a; the liquid inlet hole 11b;

[0045] Base 12;

[0046] First air hole 12a; second air hole 12b; protrusion 121;

[0047] Conducting liquid 13;

[0048] Accommodating chamber 131;

[0049] Support body 14;

[0050] Groove 141;

[0051] Concave position 142;

[0052] heat sink 143;

[0053] Airway 14b;

[0054] Ventilation space 14a; heating element 15;

[0055] Shell 2;

[0056] Airway 2a;

[0057] Liquid storage chamber 2b; upper cover 3;

[0058] Fourth air hole 3a. DETAILED DESCRIPTION

[0059] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention are now described in detail with reference to the accompanying drawings. It should be understood that if the following descriptions indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, the specific orientation is constructed and operated, which is only for the convenience of describing the technical solution, rather than indicating that the device or element referred to must have a specific orientation, and therefore cannot be understood as a limitation of the present invention. It should also be noted that, unless otherwise clearly specified and limited, if the following descriptions appear, the terms "installed", "connected", "connected", "fixed", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral body; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. When an element is referred to as being "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there may be one or more intermediate elements. In the following description, if the terms "first", "second", "third", etc. appear, they are only for the convenience of describing the technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of the features. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0060] In the following description, specific details such as specific system structures, technologies, etc. are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present invention. However, it should be clear to those skilled in the art that the present invention may be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to prevent unnecessary details from obstructing the description of the present invention.

[0061] See also Figure 1-5 , the atomization unit of the circuitous airway in one embodiment of the present invention comprises:

[0062] The base 12 has a first air hole 12a on its bottom surface and a second air hole 12b on its top surface, and the first air hole 12a is connected to the second air hole 12b;

[0063] The outer cover 11 is disposed on the base 12, and a third air hole 11a is provided on the outer cover 11;

[0064] The liquid guide 13 is disposed in the outer cover 11 and is provided with a longitudinal accommodating cavity 131 communicating with the upper and lower sides;

[0065] The support body 14 is disposed in the accommodating cavity 131, and a longitudinal groove 141 is disposed on the outer side thereof, and the second air hole 12b faces the bottom surface of the support body 14;

[0066] And, the heating element 15 is arranged in the accommodating cavity 131, and is located between the liquid-conducting body 13 and the supporting body 14. The heating element 15 is preferably in a sheet shape. The supporting body 14 supports the heating element 15 to fit inside the liquid-conducting body 13, so that the liquid-conducting body 13 conducts the liquid to the heating element 15. The heating element 15 covers the groove 141 of the supporting body 14, so that the groove 141 and the heating element 15 define an air passage 14b, and the air passage 14b is connected to the third air hole 11a.

[0067] At least part of the bottom surface of the support body 14 is separated from the base 12, or in other words, a distance is maintained at one end to define a ventilation space 14a, and the ventilation space 14a is connected to the second air hole 12b and the air duct 14b, so that air flow can pass through the first air hole 12a, the second air hole 12b, the ventilation space 14a, the air duct 14b and the third air hole 11a in sequence, so that the air flow can bring out the mist generated by the heating element 15.

[0068] The atomization unit of the circuitous airway integrates the liquid-conducting body 13, the supporting body 14 and the heating body 15 in the outer cover 11. The first air hole 12a, the second air hole 12b, the ventilation space 14a, the airway 14b and the third air hole 11a form a circuitous airflow channel, which can prevent the condensation or other liquid formed in the airway from leaking out.

[0069] The outer cover 11 is provided with a liquid inlet hole 11b leading to the liquid guide 13 from the outside. In the outer cover 11, the liquid inlet hole 11b is separated from the air passage 14b and the ventilation space 14a, so that the liquid outside the outer cover 11 can contact the liquid guide 13, and then be conducted to the heating element 15 through the liquid guide 13. The liquid inlet hole 11b is arranged at the position where the liquid guide 13 contacts the outer cover 11, and the liquid inlet hole 11b is arranged outside the third air hole 11a. The outer cover 11 is used to fix the porous liquid guide material, and the liquid inlet controls the amount of liquid inlet to prevent too much liquid from leaking out or too little liquid from being burned due to excessive temperature. The liquid enters from the liquid inlet of the outer cover 11, and is conducted to the heating element 15 through the porous liquid guide 13. When the heating element 15 is powered on, the heating element 15 starts to generate heat, and the liquid on the liquid guide 13 in contact with the heating sheet is atomized and evaporated into aerosol. The air flow enters from the first air hole 12a of the base 12, and passes through the circuitous air flow channel to bring the aerosol out.

[0070] The top surface of the base 12 is provided with a raised portion 121, which may be in the shape of a truncated cone, a prism, a cylinder or a prism. The second air hole 12b is provided on the top surface and / or the side surface of the raised portion 121, and the number is at least one; Figure 1-5 In the embodiment of the present invention, there are a plurality of second air holes 12b, which are distributed circumferentially along the side of the protrusion 121, and the protrusion 121 is in a truncated cone shape. The protrusion 121 can more effectively prevent the condensate or other liquid formed in the airway from leaking out.

[0071] The bottom surface of the support body 14 is provided with a recess 142 corresponding to the raised portion 121, and there is a spacing between the recess 142 and the raised portion 121 to allow airflow to pass through. The recess 141 is longitudinal, extending from the bottom surface of the support body 14 to the top surface. The number of the recesses 141 is at least two and is distributed circumferentially. The protruding portion on the side of the support body 14 is the supporting portion in contact with the heating element 15, so that the support body 14 is gear-shaped. The liquid-conducting liquid 13 can be a liquid-conducting liquid 13 of a porous material, such as a porous ceramic material. The support body 14 is preferably made of an insulating material with a temperature resistance of more than 200 degrees. The heating plate is supported by the support body 14 and will not warp or have poor contact with the liquid-conducting liquid 13 due to high temperature or other reasons.

[0072] See also Figure 11-14 The support body 14 is provided with heat dissipation grooves 143 extending along the circumferential direction to help the heat dissipation of the heating element 15. The number of the heat dissipation grooves 143 is at least one, and at least two heat dissipation grooves 143 can be arranged and distributed along the axial direction.

[0073] The outer cover 11 includes a first portion 111 standing on the base 12 and a second portion 112 connected to the upper edge of the first portion 111 and extending inwardly in a transverse direction. The first portion 111 surrounds the side surface of the liquid-conducting body 13 in the circumferential direction, and the second portion 112 covers the top surface of the liquid-conducting body 13. The third air hole 11a is provided on the second portion 112. At least part of the outer side surface of the liquid-conducting body 13 is in contact with the inner side surface of the first portion 111 of the outer cover 11, and at least part of the top surface of the liquid-conducting body 13 is in contact with the inner side surface of the second portion 112 of the outer cover 11. The liquid inlet hole 11b is provided on the first portion 111 and / or the second portion 112. Figure 6-7 In the embodiment of the present invention, the liquid inlet hole 11b is provided on the first part 111. Figure 1-5 In the embodiment, the liquid inlet hole 11b is provided on the second portion 112; Figure 8-9 In the embodiment of the present invention, the liquid inlet hole 11 b is provided on the first part 111 and the second part 112 .

[0074] The outer cover 11 includes a third portion 113 standing on the second portion 112 and surrounding the third air hole 11 a. Preferably, the first portion 111 , the second portion 112 and / or the third portion 113 are annular.

[0075] The liquid-conducting body 13 is annular, and the outer cover 11 fixes the liquid-conducting body 13 and completely wraps the liquid-conducting body 13 .

[0076] See also Figure 15-16An atomization assembly according to an embodiment of the present invention comprises a shell 2, an upper cover 3 and the above-mentioned atomization unit 1 of the circuitous airway, wherein a liquid storage chamber 2b and an air outlet 2a are provided in the upper cover 3, a fourth air hole 3a is provided on the upper cover 3, the upper cover 3 is connected to the atomization unit and covers the third air hole 11a, the atomization unit 1 of the circuitous airway and the upper cover 3 are arranged in the shell 2, the fourth air hole 3a is communicated with the air outlet 2a, the liquid storage chamber 2b is communicated with the liquid inlet hole 11b, so that the liquid in the liquid storage chamber 2b contacts with the liquid guide 13 through the liquid inlet hole 11b, and is conducted to the heating element 15 through the liquid guide 13, the heating element 15 heats the liquid and atomizes it, and the airflow passes through the first air hole 12a, the second air hole 12b, the ventilation space 14a, the air outlet 14b, the third air hole 11a, the fourth air hole 3a and the air outlet 2a in sequence, and brings out the aerosol generated by the heating element 15. Preferably, the lower opening of the upper cover 3 is connected to the third portion 113 of the outer cover 11. Figure 9-10 In the embodiment, the docking method can be plugging.

[0077] Since the atomizer assembly adopts the above-mentioned atomizer unit 1 with a circuitous air passage, the first air hole 12a, the second air hole 12b, the ventilation space 14a, the air passage 14b and the third air hole 11a form a circuitous air flow passage, so it can prevent the condensate or other liquid formed in the air passage from leaking out. When the atomizer assembly is applied to an electronic cigarette, the liquid storage chamber 2b stores the smoke liquid, and the atomizer assembly heats the smoke liquid to generate smoke.

[0078] The above description is only the preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications, combinations and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A circuitous airway atomization unit, characterized in that: include: A base (12), wherein a first air hole (12a) is provided on a bottom surface thereof, and a second air hole (12b) is provided on a top surface thereof, wherein the first air hole (12a) is in communication with the second air hole (12b); An outer cover (11) is arranged on the base (12), and a third air hole (11a) is provided on the outer cover (11); A liquid guide (13) is disposed in the outer cover (11), and is provided with a longitudinal accommodating cavity (131) communicating with upper and lower sides; A support body (14) is arranged in the accommodating cavity (131), a groove (141) is provided on the outer side thereof, and the second air hole (12b) faces the bottom surface of the support body (14); and a heating element (15) arranged in the accommodating cavity (131) and located between the liquid-conducting body (13) and the supporting body (14); the supporting body (14) supports the heating element (15) and fits the inner side of the liquid-conducting body (13) so that the liquid-conducting body (13) conducts liquid to the heating element (15); the heating element (15) covers the groove (141) of the supporting body (14), so that the groove (141) and the heating element (15) define an air passage (14b), and the air passage (14b) is in communication with the third air hole (11a); At least a portion of the bottom surface of the support body (14) and the base (12) define a ventilation space (14a), and the ventilation space (14a) is connected to the second air hole (12b) and the air passage (14b), so that air can pass through the first air hole (12a), the second air hole (12b), the ventilation space (14a), the air passage (14b) and the third air hole (11a) in sequence.

2. The atomization unit for the circuitous airway according to claim 1, characterized in that: The outer cover (11) is provided with a liquid inlet hole (11b) leading from the outside to the liquid-conducting liquid (13); inside the outer cover (11), the liquid inlet hole (11b) is separated from the air passage (14b) and the ventilation space (14a), so that liquid outside the outer cover (11) can contact the liquid-conducting liquid (13) and then be conducted to the heating element (15) via the liquid-conducting liquid (13).

3. The atomization unit for the circuitous airway according to claim 2, characterized in that: The liquid inlet hole (11b) is arranged at a position where the liquid-conducting body (13) contacts the outer cover (11), and the liquid inlet hole (11b) is arranged outside the third air hole (11a).

4. The atomization unit for the circuitous airway according to claim 1, characterized in that: The top surface of the base (12) is provided with a raised portion (121), and the second air hole (12b) is provided on the top surface and / or side surface of the raised portion (121).

5. The atomization unit for the circuitous airway according to claim 4, characterized in that: The bottom surface of the support body (14) is provided with a recess (142) corresponding to the raised portion (121), and there is a distance between the recess (142) and the raised portion (121) to allow airflow to pass through.

6. The atomization unit for the circuitous airway according to claim 1, characterized in that: The groove (141) is longitudinal, extending from the bottom surface to the top surface of the support body (14).

7. The atomization unit for the circuitous airway according to claim 1, characterized in that: The support body (14) is provided with a heat dissipation groove (143) extending in the circumferential direction.

8. The atomization unit for the circuitous airway according to claim 2, characterized in that: The outer cover (11) comprises a first part (111) standing on the base (12) and a second part (112) connected to the upper edge of the first part (111) and extending inwardly, the first part (111) surrounding the side surface of the liquid-conducting liquid (13) in the circumferential direction, the second part (112) covering the top surface of the liquid-conducting liquid (13), the third air hole (11a) being arranged on the second part (112); and the liquid inlet hole (11b) being arranged on the first part (111) and / or the second part (112).

9. The atomization unit for the circuitous airway according to claim 8, characterized in that: The outer cover (11) comprises a third portion (113) surrounding the third air hole (11a) and standing on the second portion (112).

10. The atomization unit for the circuitous airway according to claim 1, characterized in that: The liquid-conducting body (13) is annular.

11. An atomizing assembly, characterized in that: The invention comprises a shell (2), an upper cover (3), and an atomization unit (1) for a circuitous airway according to any one of claims 1 to 10, wherein the upper cover (3) is provided with a liquid storage chamber (2b) and an air outlet (2a), the upper cover (3) is provided with a fourth air hole (3a), and the upper cover (3) covers the third air hole (11a), the atomization unit (1) for a circuitous airway and the upper cover (3) are arranged in the shell (2), the fourth air hole (3a) is communicated with the air outlet (2a), and the liquid storage chamber (2b) is communicated with the liquid inlet hole (11b), so that airflow passes through the first air hole (12a), the second air hole (12b), the ventilation space (14a), the air outlet (14b), the third air hole (11a), the fourth air hole (3a) and the air outlet (2a) in sequence.

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