Electronic atomization device

Abstract

The utility model provides an electronic atomization device which comprises a liquid storage cavity. The liquid guide element is used for sucking the liquid matrix from the liquid storage cavity; the heating element is used for heating the liquid matrix absorbed by the liquid guide element to generate aerosol; the bracket surrounds and supports the liquid guide element; a first containing cavity facing the liquid storage cavity is defined in the support, and the liquid guide element is contained in the first containing cavity. A first cavity is defined in the outer side surface of the support and at least partially surrounds the first containing cavity. The support is further provided with a communicating hole penetrating from the first containing cavity to the first cavity, and the first cavity is communicated with the liquid guide element through the communicating hole. And the ventilation channel provides a flowing path for air to enter the liquid storage cavity from the first cavity so as to adjust the pressure in the liquid storage cavity. According to the electronic atomization device, the liquid guide element can adapt to the pressure change of the liquid storage cavity, so that the absorbed liquid matrix flows out of the first cavity through the communicating hole, or the first cavity collects the liquid matrix overflowing from the ventilation channel and flows back to the liquid guide element to be absorbed again.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of electronic atomization technology, and in particular, to an electronic atomization device. Background Art

[0002] Smoking articles (eg, cigarettes, cigars, etc.) burn tobacco during use to produce tobacco smoke. People have attempted to replace these tobacco-burning articles by creating products that release compounds without combustion.

[0003] An example of such a product is a heating device that releases a compound by heating rather than burning a material. For example, the material may be tobacco or other non-tobacco products that may or may not contain nicotine. As another example, there are aerosol providing products, such as so-called electronic atomization devices. These devices typically contain a liquid that is heated to vaporize it, thereby producing an inhalable aerosol. A known electronic atomization device surrounds and supports an atomization component by a bracket; when the pressure in the liquid storage chamber is greater than the external pressure, the adsorbed liquid matrix in the atomization component seeps outward. Summary of the invention

[0004] An embodiment of the present application provides an electronic atomization device, comprising:

[0005] A liquid storage chamber, used for storing a liquid matrix;

[0006] A liquid conducting element, used for sucking the liquid matrix from the liquid storage chamber;

[0007] A heating element, used for heating the liquid matrix absorbed by the liquid-conducting element to generate an aerosol;

[0008] A bracket, used for supporting the liquid-conducting element and the heating element; the inner surface of the bracket defines a first accommodating cavity arranged toward the liquid storage cavity, and the liquid-conducting element is received or accommodated in the first accommodating cavity; the outer surface of the bracket defines a first cavity, and the first cavity at least partially surrounds the first accommodating cavity;

[0009] The bracket is further provided with a communication hole extending from the first accommodating cavity to the first cavity, and a part of the surface of the liquid-conducting element is connected with the first cavity through the communication hole;

[0010] Wherein, the bracket at least partially defines a ventilation channel connected between the first cavity and the liquid storage cavity, and the ventilation channel provides a flow path for the air in the first cavity to enter the liquid storage cavity, so as to adjust the pressure in the liquid storage cavity.

[0011] In some embodiments, the liquid conducting element comprises:

[0012] a first liquid guiding element, used for sucking the liquid matrix from the liquid storage chamber;

[0013] a second liquid conducting element, at least partially located within the first liquid conducting element and arranged to indirectly draw liquid matrix from the liquid storage cavity from an inner surface of the first liquid conducting element;

[0014] The heating element is combined with the second liquid-conducting element.

[0015] In some embodiments, the outer surface of the first liquid-conducting element abuts against the inner surface of the first accommodating cavity and covers the communicating hole.

[0016] In some embodiments, the inner surface of the first cavity is arranged with:

[0017] At least one liquid retaining groove is used to absorb or retain the liquid matrix seeping out from the communicating holes.

[0018] In some embodiments, the liquid retaining groove is connected to the communicating hole.

[0019] In some embodiments, the liquid retaining groove is arranged to extend from the communicating hole to an outer side edge of the bracket.

[0020] In some embodiments, the liquid retaining grooves are arranged along a radial direction of the stent.

[0021] In some embodiments, it also includes:

[0022] shell;

[0023] A sealing element is at least partially located between the bracket and the housing for providing a seal therebetween; the sealing element is arranged to surround the outer side of the bracket and cover the first cavity.

[0024] In some embodiments, it also includes:

[0025] a third liquid-conducting element, located between the first liquid-conducting element and the liquid storage chamber, wherein a portion of the surface of the third liquid-conducting element is in fluid communication with the liquid storage chamber to absorb liquid matrix from the liquid storage chamber;

[0026] The first liquid conducting element contacts the third liquid conducting element, thereby indirectly drawing the liquid matrix from the liquid storage chamber from the third liquid conducting element.

[0027] In some embodiments, the bracket has a first end mounted toward the liquid storage cavity, and a second end away from the first end; the first accommodating cavity includes a first section, a second section, and a third section arranged in sequence from the first end to the second end; the cross-sectional area of ​​the first section is greater than the cross-sectional area of ​​the second section, and the cross-sectional area of ​​the second section is greater than the cross-sectional area of ​​the third section;

[0028] The third liquid-conducting element is received or accommodated in the first section;

[0029] The first liquid-conducting element is received or accommodated in the second section;

[0030] The second liquid-conducting element extends from the first liquid-conducting element into the third section.

[0031] In some embodiments, the communication hole avoids the first section and the third section;

[0032] The first cavity at least partially surrounds the second section.

[0033] In some embodiments, it also includes:

[0034] A tubular element, which passes through the first liquid-conducting element and is partially located in the first accommodating cavity; a wall of the tubular element is provided with perforations;

[0035] The second liquid-conducting element is located in the tubular element, and indirectly draws the liquid medium from the liquid storage chamber from the first liquid-conducting element through the perforations.

[0036] In some embodiments, the support further defines an air inlet channel, which provides a flow path for delivering air to the heating element during suction; the first cavity is in airflow communication with the air inlet channel.

[0037] In some embodiments, a second accommodating cavity is further defined in the bracket, and the second accommodating cavity is arranged away from the liquid storage cavity;

[0038] The electronic atomization device also includes:

[0039] The airflow sensor is arranged in the second accommodating cavity and is used to sense the change of the airflow flowing through the inside of the electronic atomization device.

[0040] In some embodiments, the support comprises:

[0041] A first supporting portion close to the liquid storage chamber, and a second supporting portion away from the first supporting portion;

[0042] The partition flange is arranged to extend around the circumference of the bracket and is located between the first supporting portion and the second supporting portion; the first cavity is defined between the partition flange and the first supporting portion.

[0043] In some embodiments, it also includes:

[0044] Battery cells, used for power supply;

[0045] A control circuit board is configured to guide current between the battery core and the heating element; at least a portion of the control circuit board abuts against or is connected to the second supporting portion of the bracket.

[0046] In some embodiments, the ventilation channel is at least partially formed on the surface of the first supporting portion.

[0047] In some embodiments, the ventilation channel includes a ventilation groove formed on a surface of the first supporting portion.

[0048] In some embodiments, the ventilation channel further comprises:

[0049] at least one or more ventilation compartments, bounded by a plurality of walls disposed within the first cavity, for providing airflow communication between the ventilation slot and the first cavity;

[0050] The area and / or width of the at least one or more ventilation compartments are greater than the area and / or width of the ventilation slots.

[0051] In some embodiments, it also includes:

[0052] A second cavity is defined between the separation flange and the second support portion.

[0053] In some embodiments, the first cavity and the second cavity are in gas flow communication.

[0054] In some embodiments, the bracket further defines a portion located between the separation flange and the second support portion:

[0055] a first air communication port for allowing air to enter the second cavity;

[0056] a second air communication port for allowing air in the second cavity to flow toward the heating element;

[0057] The first air communication port and the second air communication port are arranged in parallel or adjacent to each other.

[0058] In some embodiments, the surface of the second support portion located in the second cavity is arranged with:

[0059] At least one drainage groove is used to guide the aerosol condensate or liquid matrix flowing out of the second air communication port away from the second air communication port and / or the first air communication port.

[0060] In some embodiments, it also includes:

[0061] a first side and a second side opposite to each other in a width direction;

[0062] a partition wall extending in a longitudinal direction and defining a first compartment with the first side and a second compartment with the second side; a battery cell is arranged in the second compartment;

[0063] The liquid storage cavity is defined by a portion of the first compartment, and the bracket and the liquid-conducting element are arranged in the first compartment.

[0064] In some embodiments, it also includes:

[0065] A proximal end and a distal end facing away from each other in a longitudinal direction;

[0066] A control circuit board is arranged perpendicular to the longitudinal direction and is located between the partition wall and the distal end; the control circuit board includes a first portion opposite to the first compartment and a second portion opposite to the second compartment; the second portion is connected to the battery cell; the first portion is connected to the heating element and is configured to supply the power output by the battery cell to the heating element.

[0067] In some embodiments, it also includes:

[0068] The airflow sensor is arranged on the first part of the control circuit board and is used to sense the change of the airflow flowing through the electronic atomization device.

[0069] In some embodiments, it also includes:

[0070] an air outlet, located at the proximal end;

[0071] an air inlet located at the distal end;

[0072] An air flow channel defines an air flow path from the air inlet via the atomizer assembly to the air outlet to deliver the aerosol to the inhalation port; a portion of the air flow channel is between the control circuit board and the distal end and extends from the second side toward the first side.

[0073] In some embodiments, it also includes:

[0074] A housing having a proximal end and a distal end facing each other in a longitudinal direction, and a first side and a second side facing each other in a width direction;

[0075] a partition wall, located in the shell and extending in the longitudinal direction, defining a first compartment and a second compartment arranged in the width direction in the shell; the first compartment is defined between the partition wall and the first side, and the second compartment is defined between the partition wall and the second side; the liquid storage chamber is defined by part of the first compartment;

[0076] The liquid-conducting element and the heating element are arranged in the first compartment;

[0077] a battery cell, located in the second compartment and used to power the heating element;

[0078] A control circuit board is arranged perpendicular to the longitudinal direction of the housing and is located between the partition wall and the distal end; the control circuit board includes a first portion opposite to the first compartment and a second portion opposite to the second compartment; the second portion is connected to the battery cell; the first portion is connected to the heating element and is configured to supply the power output by the battery cell to the heating element.

[0079] Another embodiment of the present application further provides an electronic atomization device, comprising:

[0080] A liquid storage chamber, used for storing a liquid matrix;

[0081] A bracket having a first end mounted toward the liquid storage cavity and a second end facing away from the first end; the bracket defines a first accommodating cavity, the first accommodating cavity comprising a first section, a second section and a third section arranged in sequence from the first end to the second end; the cross-sectional area of ​​the first section is greater than the cross-sectional area of ​​the second section, and the cross-sectional area of ​​the second section is greater than the cross-sectional area of ​​the third section;

[0082] a first liquid guiding element, located in the second section, for absorbing the liquid matrix from the liquid storage chamber;

[0083] A tubular element at least partially passes through the first section and the second section to the third section; a second liquid-conducting element and a heating element are arranged in the tubular element; the second liquid-conducting element indirectly absorbs the liquid matrix from the liquid storage cavity from the inner surface of the first liquid-conducting element; the heating element is combined with the second liquid-conducting element, and heats at least part of the liquid matrix in the second liquid-conducting element to generate an aerosol;

[0084] The third liquid-conducting element is located in the first section, and a part of its surface is in fluid communication with the liquid storage chamber to absorb the liquid matrix. The first liquid-conducting element indirectly absorbs the liquid matrix from the liquid storage chamber through the third liquid-conducting element.

[0085] In the above electronic atomization device, the liquid guiding element can adapt to the pressure changes in the liquid storage chamber so that the absorbed liquid matrix flows out or flows back to the first cavity through the connecting hole, or the first cavity can collect the liquid matrix overflowing from the ventilation channel and flow back to the first containing cavity through the connecting hole so as to be reabsorbed by the liquid guiding element. BRIEF DESCRIPTION OF THE DRAWINGS

[0086] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0087] Figure 1 is a schematic diagram of an electronic atomization device provided by an embodiment from one viewing angle;

[0088] Figure 2 yes Figure 1 A schematic diagram of the structure of the electronic atomization device from another perspective;

[0089] Figure 3 yes Figure 1 A cross-sectional schematic diagram of the electronic atomization device from one perspective;

[0090] Figure 4 yes Figure 1 An exploded schematic diagram of the electronic atomization device from one perspective;

[0091] Figure 5 yes Figure 1 A schematic diagram of another perspective of the electronic atomization device;

[0092] Figure 6 yes Figure 1 An exploded schematic diagram of a cross-sectional view of the electronic atomization device;

[0093] Figure 7 yes Figure 6 The middle part is a schematic diagram of one viewing angle after the components are assembled;

[0094] Figure 8 yes Figure 7 A cross-sectional schematic diagram of the middle part after assembly from one viewing angle;

[0095] Fig. 9 yes Figure 7 A cross-sectional schematic diagram from another perspective after the middle parts are assembled;

[0096] Fig.10 yes Figure 7 A cross-sectional schematic diagram from another perspective after the middle parts are assembled;

[0097] Fig.11 yes Figure 7The exploded diagram of the middle part from another perspective;

[0098] Fig.12 yes Figure 7 A cross-sectional schematic diagram of the middle bracket from another viewing angle;

[0099] Fig.13 yes Fig.12 A cross-sectional schematic diagram of the middle bracket from another viewing angle;

[0100] Fig.14 is a cross-sectional schematic diagram of a partial assembly of components of an electronic atomization device in another embodiment from a viewing angle;

[0101] Fig.15 yes Fig.14 A cross-sectional schematic diagram from another perspective after the middle parts are assembled;

[0102] Fig.16 yes Fig.14 The middle part is an exploded view of the components before assembly;

[0103] Fig.17 yes Fig.16 The middle part is an exploded view from another perspective before the components are assembled;

[0104] Fig.18 yes Fig.16 The exploded schematic diagram of the middle part from a cross-sectional perspective before assembly;

[0105] Fig.19 yes Fig.18 The middle part is an exploded schematic diagram of another cross-sectional view before the components are assembled;

[0106] Fig. 20 yes Fig.16 A cross-sectional schematic diagram of the middle bracket from another viewing angle;

[0107] Fig.21 yes Fig.16 A cross-sectional schematic diagram of the middle bracket from another viewing angle;

[0108] Fig. 22 yes Fig.19 Magnified view of the middle bracket. DETAILED DESCRIPTION

[0109] In order to facilitate the understanding of the present application, the present application is described in more detail below in conjunction with the accompanying drawings and specific implementation methods.

[0110] The present application proposes an electronic atomization device for atomizing a liquid matrix to generate an aerosol.

[0111] Figure 1 and Figure 2A schematic diagram of an electronic atomization device 100 of one embodiment is shown, including several components disposed within an outer body or housing (which may be referred to as a housing). The overall design of the outer body or housing may vary, and the type or configuration of the outer body that may define the overall size and shape of the electronic atomization device 100 may vary. Typically, the elongated body may be formed by a single integral housing, or the elongated housing may be formed by two or more separable bodies.

[0112] For example, the electronic atomization device 100 can have a control body at one end, which has a shell containing one or more reusable components (e.g., a battery such as a rechargeable battery and / or a rechargeable supercapacitor, and various electronic devices for controlling the operation of the product), and an outer body or housing for suction at the other end.

[0113] In some embodiments, the outer body or housing of the electronic atomization device 100 substantially defines the outer surface of the electronic atomization device 100; Figures 1 to 6 In the specific embodiment shown, the housing of the electronic atomization device 100 may include one or more reusable components. In some examples, all or only part of the housing may be formed of a metal or alloy such as stainless steel, aluminum, or other suitable materials including various plastics (e.g., polycarbonate), metal-plating over plastic, ceramic, etc.

[0114] Specifically in Figures 1 to 6 , the housing of the electronic atomization device 100 includes:

[0115] The main housing 10 has a proximal end 110 and a distal end 120 which are opposite to each other in the longitudinal direction; in use, the proximal end 110 is an end close to the user for suction; the distal end 120 is an end away from the user; the distal end 120 of the main housing 10 is open, so as to be used for installing various functional components into the main housing 10 from the distal end 120;

[0116] The end cap 20 is coupled to the distal end 120 of the main housing 10 to close the opening of the main housing 10 at the distal end 120. In some embodiments, the end cap 20 is detachably connected to the main housing 10 by a detachable connection method; the detachable connection method is, for example, a snap.

[0117] according to Figures 1 to 6 As shown, the main housing 10 further has a first side 130 and a second side 140 opposite to each other in the width direction; the main housing 10 defines a suction nozzle at the proximal end 110, and the suction nozzle has an air outlet 113 for the user to suck. In this embodiment, the suction nozzle and / or the air outlet 113 are arranged away from the central axis of the main housing 10 and close to the first side 130; the suction nozzle is protruding at the proximal end 110 relative to other parts of the main housing 10.

[0118] according to Figures 1 to 6 As shown, the main housing 10 is generally in a hollow cylindrical shape. The main housing 10 is flat; the longitudinal length of the main housing 10 is greater than the width, and the width is greater than the thickness. A partition wall 114 extending in the longitudinal direction is arranged in the main housing 10, thereby dividing the space in the main housing 10 into a first compartment 115 and a second compartment 116 arranged in sequence along the width direction. Among them, the first compartment 115 is defined between the partition wall 114 and the first side 130; the second compartment 116 is defined between the partition wall 114 and the second side 140. The partition wall 114 is molded integrally with the main housing 10.

[0119] In use, the first compartment 115 is a space for storing and atomizing liquids; the first compartment 115 is used to store liquid substrates and install atomizing components. The second compartment 116 is a space for installing the battery cell 70.

[0120] according to Figures 1 to 6 As shown, the first compartment 115 of the main housing 10 is arranged with:

[0121] The aerosol output tube 111 is arranged to extend from the gas outlet 113 toward the distal end 120;

[0122] A liquid storage chamber 112 for storing a liquid matrix, and an atomizing assembly for drawing the liquid matrix from the liquid storage chamber 112 and heating and atomizing the liquid matrix. An aerosol output tube 111 at least partially extends in the liquid storage chamber 112, and the liquid storage chamber 112 is formed by the space between the outer wall of the aerosol output tube 111 and the inner surface of the main housing 10. The end of the aerosol output tube 111 opposite to the proximal end 110 is connected to the air outlet 113 to output the aerosol generated by the atomization of the atomizing assembly to the air outlet 113 for inhalation. The atomizing assembly includes at least a heating element 40 for heating the liquid matrix to generate an aerosol.

[0123] according to Figures 1 to 6 As shown in FIG, the aerosol output tube 111 and the main housing 10 are integrally molded with a moldable material, and the liquid storage chamber 112 formed after the preparation is closed on the side of the proximal end 110 and open on the side toward the distal end 120 .

[0124] according to Figures 1 to 6 As shown, the electronic atomization device 100 also includes:

[0125] The charging connector 22, such as a USB-TYPE-C connector or a USB-5p connector, is used to charge the battery cell 70. The charging connector 22 is located inside the end cover 20. The charging connector 22 is open at the distal end 120, and is used for an external charging data cable to be inserted from outside the end cover 20 and connected to the charging connector 22. The charging connector 22 is arranged near the first side 130.

[0126] according to Figures 1 to 6 As shown, the electronic atomization device 100 also includes:

[0127] The air inlet 21 is arranged on the end cover 20 to allow external air to enter the electronic atomization device 100 during inhalation. The air inlet 21 is close to the second side 140 .

[0128] according to Figures 1 to 6 As shown, the electronic atomization device 100 also includes:

[0129] The light source hole 23 is arranged on the end cover 20 so that the light emitted by the light emitting element 183 can pass through the light source hole 23 and be received by the user. The light source hole 23 is arranged between the opening of the charging connector 22 and the air inlet 21.

[0130] according to Figures 3 to 8 As shown, the electronic atomization device 100 also includes:

[0131] The control circuit board 18 is arranged with a circuit for controlling the battery cell 70 to provide power to the heating element 40. The control circuit board 18 is arranged substantially perpendicular to the longitudinal direction of the electronic atomization device 100. The control circuit board 18 is firmly held between the main housing 10 and the end cover 20. In addition, a plurality of support walls 24 are arranged in the end cover 20 for abutting against and supporting the control circuit board 18.

[0132] according to Figures 3 to 8 As shown, the control circuit board 18 includes:

[0133] The first part 181 and the second part 182 are arranged in sequence along the width direction of the electronic atomization device 100; in the longitudinal direction of the electronic atomization device 100, the first part 181 is opposite to the first compartment 115, and the second part 182 is opposite to the second compartment 116 and / or the battery cell 70. The battery cell 70 is electrically connected to the second part 182 of the control circuit board 18; specifically, the positive / negative poles of the battery cell 70 are connected to the second part 182 of the control circuit board 18 through welding leads or the like. The heating element 40 is electrically connected to the first part 181 of the control circuit board 18; specifically, for example, the heating element 40 is electrically connected to the first part 181 of the control circuit board 18 through conductive pins 41 arranged at both ends.

[0134] In the embodiment, the control circuit board 18 has a first side surface and a second side surface facing each other, wherein the first side surface faces the proximal end 110 , and the second side surface faces the end cap 20 .

[0135] In an embodiment, an airflow sensor 15 is arranged on the first side surface of the first part 181 of the control circuit board 18; the airflow sensor 15 is, for example, a microphone or a MEMS sensor. The airflow sensor 15 is used to sense the change of the airflow flowing through the electronic atomization device 100 during the user's inhalation, and then determine the user's inhalation action. And, the airflow sensor 15 is arranged away from the longitudinal center axis of the first compartment 115. The airflow sensor 15 has a first sensing surface toward the proximal end 110, and a second sensing surface toward the distal end 120; the airflow sensor 15 is triggered when the pressure difference sensed by the first sensing surface and the second sensing surface is greater than a preset threshold. After assembly, the second sensing surface of the airflow sensor 15 is combined with the control circuit board 18.

[0136] In an embodiment, a light emitting element 183 is arranged on the second side surface of the first portion 181 of the control circuit board 18 for emitting light. Specifically, for example, the light emitting element 183 is configured to emit light when the airflow sensor 15 senses the user's inhalation. The light emitted by the light emitting element 183 can pass through the light source hole 23 to the outside of the housing and then be received by the user.

[0137] In the embodiment, the charging connector 22 is firmly connected to the first portion 181 of the control circuit board 18 by welding or the like, and is arranged to extend from the second side surface of the first portion 181 of the control circuit board 18 toward the end cover 20 .

[0138] according to Figures 3 to 13 As shown, the electronic atomization device 100 also includes:

[0139] The third liquid-conducting element 51 is located in the first compartment 115 of the main shell 10. The third liquid-conducting element 51 is in the shape of a sheet or block and is arranged perpendicular to the longitudinal direction of the outer shell / main shell 10. In some specific embodiments, the third liquid-conducting element 51 has a thickness of approximately 1.5 to 4.0 mm. In some embodiments, the third liquid-conducting element 51 is made of a flexible capillary fiber material, such as natural cotton fiber, non-woven fiber, etc.; specifically, the third liquid-conducting element 51 includes a sheet of liquid-conducting cotton. Or in some other variations, the third liquid-conducting element 51 includes artificial cotton, or hard artificial cotton or artificial foam made of filamentous polyurethane. For example, the third liquid-conducting element 51 uses 138# hard synthetic organic polymer fiber with a viscosity of 0.1 to 0.9 mg / mm 3The density of the third liquid-conducting element 51 is about 0.04-0.06g when it is not soaked in the liquid matrix. The third liquid-conducting element 51 is made of oriented fibers that are basically oriented along the length direction, width direction or radial direction. The oriented fibers are arranged in the length direction or width direction of the third liquid-conducting element 51, so that the third liquid-conducting element 51 has a strong bending resistance and is hard. Specifically, for example, the third liquid-conducting element 51 is hard artificial cotton including oriented polyester fibers, or hard artificial cotton or artificial foam made of filamentous polyurethane.

[0140] according to Figures 3 to 13 As shown, the third liquid-conducting element 51 is accommodated and installed in the bracket 60, and a sealing element 80 is arranged between the bracket 60 and the main housing 10; and after assembly, the liquid matrix in the liquid storage chamber 112 can basically only be absorbed by the third liquid-conducting element 51 and then leave the liquid storage chamber 112. Figures 3 to 13 As shown, the third liquid-conducting element 51 is configured to be annular. Specifically, for example, the third liquid-conducting element 51 is in the shape of a ring; the third liquid-conducting element 51 has an outer diameter of about 10 to 15 mm; and the third liquid-conducting element 51 has an inner diameter of about 4 to 7 mm. The third liquid-conducting element 51 is adjacent to the upper surface of the liquid storage cavity 112 and is in fluid communication with the liquid storage cavity 112, thereby absorbing the liquid matrix.

[0141] according to Figures 3 to 13 As shown, the electronic atomization device 100 also includes:

[0142] The first liquid-conducting element 52 is basically arranged in a columnar shape. The first liquid-conducting element 52 indirectly absorbs the liquid matrix from the liquid storage chamber 112 from the third liquid-conducting element 51. Specifically, the first liquid-conducting element 52 abuts against or is combined with the lower surface of the third liquid-conducting element 51, and is then fluidically connected with the third liquid-conducting element 51 to absorb the liquid matrix. The first liquid-conducting element 52 is flexible; the first liquid-conducting element 52 is made of flexible fibers such as non-woven fibers, cotton fibers, etc.

[0143] In the embodiment, the third liquid guiding element 51 and the first liquid guiding element 52 are sequentially arranged along the longitudinal direction of the electronic atomization device 100. The third liquid guiding element 51 and the first liquid guiding element 52 are coaxially arranged. The first liquid guiding element 52 contacts and abuts against the lower surface of the third liquid guiding element 51.

[0144] In an embodiment, the first liquid-conducting element 52 is hollow. The inner diameter of the first liquid-conducting element 52 is equal to the inner diameter of the third liquid-conducting element 51; for example, the first liquid-conducting element 52 has an inner diameter of about 4 to 7 mm. The outer diameter of the first liquid-conducting element 52 is smaller than the outer diameter of the third liquid-conducting element 51; for example, the first liquid-conducting element 52 has an outer diameter of about 6 to 9 mm. Furthermore, after assembly, the longitudinal length of the first liquid-conducting element 52 is about 6 to 10 mm.

[0145] according to Figures 3 to 14 As shown, the electronic atomization device 100 also includes:

[0146] The tubular element 14 is an independent component, preferably made of a thinner rigid material; as a suitable example, the tubular element 14 is a ceramic tube or a stainless steel tube. Along the longitudinal direction of the electronic atomization device 100, the tubular element 14 is coaxially arranged with the aerosol output tube 111; and the tubular element 14 is connected to the aerosol output tube 111. Specifically, the tubular element 14 is at least partially inserted into the aerosol output tube 111. A flexible sealing sleeve 19 is arranged between the tubular element 14 and the aerosol output tube 111 to provide a seal therebetween. The sealing sleeve 19 is, for example, made of flexible silicone, thermoplastic elastomer, etc.

[0147] according to Figures 3 to 14 As shown, the tubular element 14 axially passes through the third liquid-conducting element 51 and the first liquid-conducting element 52 in sequence. After assembly, the third liquid-conducting element 51 and the first liquid-conducting element 52 are arranged around the tubular element 14.

[0148] according to Figures 3 to 14 As shown, the atomizing assembly is accommodated and assembled in the tubular element 14; the atomizing assembly includes: a second liquid guiding element 30 and a heating element 40. The second liquid guiding element 30 is used to absorb the liquid matrix from the liquid storage chamber 112 from the first liquid guiding element 52. The heating element 40 is used to heat at least part of the liquid matrix in the second liquid guiding element 30 to generate an aerosol.

[0149] In an embodiment, the second liquid-conducting element 30 is flexible, for example, it is made of flexible fibers such as cotton fibers, non-woven fabrics or sponges. The second liquid-conducting element 30 is configured to be tubular or cylindrical arranged along the longitudinal direction of the shell / main shell 10; the second liquid-conducting element 30 is coaxial with the tubular element 14 and is located inside the tubular element 14. Specifically, for example, the second liquid-conducting element 30 is a cylindrical shape wound by a sheet precursor including multiple layers of flexible fibers. Or in some other variant embodiments, the second liquid-conducting element 30 is rigid; for example, the second liquid-conducting element 30 may include a rigid porous body element, such as porous ceramics or porous glass, etc.

[0150] In an embodiment, a plurality of first perforations 141 and / or second perforations 142 are arranged on the wall of the tubular element 14; the second perforations 142 extend to the end of the tubular element 14 facing the distal end 120. The second liquid-conducting element 30 is in fluid communication with the first liquid-conducting element 52 through the first perforations 141 and / or the second perforations 142 to receive the liquid matrix. After assembly, the second liquid-conducting element 30 is at least partially extended into or exposed in the second perforations 142.

[0151] exist Figures 3 to 13 In the illustrated embodiment, the first through hole 141 and / or the second through hole 142 on the tubular element 14 substantially avoids the third liquid guiding element 51. The first through hole 141 and / or the second through hole 142 are surrounded and covered by the first liquid guiding element 52.

[0152] In an embodiment, the outer surface of the second liquid-conducting element 30 in the radial direction is configured as a liquid-absorbing surface for absorbing the liquid matrix from the first liquid-conducting element 52; specifically, a portion of the outer surface of the second liquid-conducting element 30 is aligned with the first through-hole 141 and / or the second through-hole 142, so that the second liquid-conducting element 30 partially receives and absorbs the liquid matrix passing through the first liquid-conducting element 52 through the first through-hole 141 and / or the second through-hole 142, as shown in FIG. Figure 3 , Figure 8 and Fig. 9 As shown by the arrow R1 in the middle. The inner surface of the second liquid-conducting element 30 in the radial direction is configured as an atomizing surface, and the atomizing surface is combined / fitted / abutted against the heating element 40; and then after the liquid matrix is ​​transferred to the atomizing surface, it is heated and atomized by the heating element 40 to generate aerosol and release. Specifically, Figure 3 , Figure 8 and Fig. 9 As shown by the middle arrow R1 , the liquid matrix in the liquid storage chamber 112 is absorbed by the upper surface of the third liquid guiding element 51 , then transferred to the first liquid guiding element 52 via the lower surface of the third liquid guiding element 51 , and then transferred to the second liquid guiding element 30 via the inner surface of the first liquid guiding element 52 .

[0153] according to Figures 3 to 13 As shown, after assembly, the aerosol output tube 111 and / or the sealing sleeve 19 abut against the third liquid-conducting element 51 ; specifically, the aerosol output tube 111 and / or the sealing sleeve 19 abut against the upper surface of the third liquid-conducting element 51 .

[0154] according to Figures 3 to 13 As shown, in this embodiment, the heating element 40 is arranged to extend in the longitudinal direction of the second liquid-conducting element 30, and the heating element 40 is arranged coaxially with the second liquid-conducting element 30. In some optional embodiments, the heating element 40 is a heating net, a heating coil, etc. In this embodiment, the heating element 40 is a heating element wound by a sheet or mesh substrate; the wound heating element 40 is a non-closed tubular shape in the circumferential direction, but has a cylindrical shape with a side opening in the longitudinal direction. Conductive pins 41 are welded or arranged at both ends of the heating element 40 to guide current on the heating element 40.

[0155] In some other variations, the heating element 40 may be combined with the second liquid-conducting element 30 by printing, deposition, sintering or physical assembly. In some other variations, the second liquid-conducting element 30 may have a plane or a curved surface for supporting the heating element 40, and the heating element 40 is formed on the plane or the curved surface of the second liquid-conducting element 30 by mounting, printing, deposition or the like. Or in some other variations, the heating element 40 is a conductive track formed on the surface of the second liquid-conducting element 30. In some other variations, the conductive track of the heating element 40 may be in the form of a printed circuit formed by printing. In some other variations, the heating element 40 is a patterned conductive track. In some other variations, the heating element 40 is planar. In some other variations, the heating element 40 is a conductive track that extends in a circuitous, meandering, reciprocating or bending manner.

[0156] according to Figures 3 to 13 As shown, the electronic atomization device 100 also includes:

[0157] The bracket 60 is located in the first compartment 115 of the main housing 10, and is used to support and fix the third liquid-conducting element 51, the first liquid-conducting element 52 and the tubular element 14. The bracket 60 is generally arranged to extend longitudinally along the electronic atomization device 100; the bracket 60 has a first end facing or close to the liquid storage chamber 112, and a second end away from the first end; the bracket 60 is basically a cylindrical shape extending from the first end to the second end. The bracket 60 is rigid, for example, the bracket 60 is made of a hard polymer plastic.

[0158] In some embodiments, the bracket 60 is fixedly mounted between the first portion 181 of the control circuit board 18 and the liquid storage chamber 112. The first portion 181 of the control circuit board 18 is fixedly connected to the bracket 60 by the fixing element 186; for example, according to Fig.11 As shown, a fastening element 186 , such as a screw, penetrates through the first portion 181 of the control circuit board 18 and is connected to the screw hole on the bracket 60 .

[0159] A sealing element 80 is arranged between the bracket 60 and the main shell 10 of the housing; the sealing element 80 is flexible, for example, made of flexible silicone, thermoplastic elastomer and other materials. The sealing element 80 is cylindrical in shape; the sealing element 80 includes a first sealing portion 81 and a second sealing portion 82. The first sealing portion 81 is annular, and after assembly, the first sealing portion 81 abuts against or fits the first end of the bracket 60; the second sealing portion 82 is cylindrical in shape, and after assembly, the second sealing portion 82 surrounds or surrounds at least part of the bracket 60. After assembly, the second sealing portion 82 is located between the bracket 60 and the housing / main shell 10 to provide a seal therebetween. A first convex rib 821 close to the first sealing portion 81 is arranged on the outer surface of the second sealing portion 82, and the first convex rib 821 circumferentially surrounds the second sealing portion 82; a second convex rib 822 away from the first sealing portion 81 is arranged on the outer surface of the second sealing portion 82, and the first convex rib 821 circumferentially surrounds the second sealing portion 82. A third rib 823 is arranged on the outer surface of the second sealing portion 82 between the first rib 821 and the second rib 822; the third rib 823 circumferentially surrounds the second sealing portion 82. After assembly, the first rib 821, the second rib 822 and the third rib 823 are squeezed or compressed between the bracket 60 and the housing / main shell 10, thereby providing a seal.

[0160] according to Figures 3 to 13 As shown, the bracket 60 defines:

[0161] The first accommodating cavity is open or opened at the first end of the bracket 60, so as to receive the third liquid-conducting element 51, the first liquid-conducting element 52 and the tubular element 14 through the first end. Specifically, the first accommodating cavity includes a first section 611, a second section 612 and a third section 613 arranged in sequence; the first section 611 is close to the first end and defines an opening at the first end. The cross-sectional area of ​​the first section 611 is greater than the cross-sectional area of ​​the second section 612, and the cross-sectional area of ​​the second section 612 is greater than the cross-sectional area of ​​the third section 613.

[0162] After assembly, the third liquid-conducting element 51 is accommodated in the first section 611; the first liquid-conducting element 52 is accommodated in the second section 612; the tubular element 14 sequentially passes through the first section 611 and the second section 612 to the third section 613 from the first end. And the second liquid-conducting element 30 extends from the second section 612 to the third section 613. The second liquid-conducting element 30 is at least partially located in the first liquid-conducting element 52. And according to Figure 8 , Fig. 9 and Fig.10 As shown, when the third liquid-conducting element 51 is accommodated in the first section 611 , the upper surface of the third liquid-conducting element 51 is substantially flush with the first end of the bracket 60 .

[0163] according to Figures 3 to 13 As shown, a positioning convex edge 614 is also arranged in the third section 613 of the first accommodating cavity of the bracket 60: an insertion groove is defined between the positioning convex edge 614 and the inner surface of the third section 613; when the tubular element 14 is assembled into the first accommodating cavity, it is positioned and inserted into the insertion groove to provide positioning. A positioning groove 615 is also defined on the inner surface of the third section 613; the positioning convex edge 614 has abutment step 616 extending to the positioning groove 615. During assembly, the second through hole 142 of the tubular element 14 is aligned with the abutment step 616 for assembly; and the second liquid-conducting element 30 longitudinally abuts against the abutment step 616. After assembly, the part of the second liquid-conducting element 30 exposed or extending out of the second through hole 142 of the tubular element 14 is accommodated in the positioning groove 615.

[0164] according to Figures 3 to 13 As shown, the bracket 60 defines:

[0165] The second accommodating cavity 634 is located at the second end and is open at the second end of the bracket 60. In use, the second accommodating cavity 634 is used to accommodate the airflow sensor 15 and / or the wrapping element 16. And after assembly, at least a portion of the wrapping element 16 is accommodated and retained between the bracket 60 and the control circuit board 18.

[0166] according to Figures 3 to 13 As shown, the wrapping element 16 is flexible. The flexible wrapping element 16, for example, is made of flexible silicone and is mainly used to wrap the airflow sensor 15 and isolate the two opposite sensing surfaces of the airflow sensor 15. The wrapping element 16 is exposed or avoids the first sensing surface and the second sensing surface of the airflow sensor 15.

[0167] according to Figures 3 to 13 As shown, the bracket 60 defines one or more abutment portions 636 located in the second accommodating cavity 634; when the wrapping element 16 extends into the second accommodating cavity 634, it abuts against the abutment portions 636, thereby maintaining a distance 631 between the wrapping element 16 and the bracket 60. In the airflow design, the airflow passing through the electronic atomization device 100 passes through at least part of the air holes 161 of the wrapping element 16 and / or the distance 631 between the wrapping element 16 and the bracket 60.

[0168] according to Figures 3 to 13As shown, the wrapping element 16 is provided with an assembly slot 162 on the first side facing the control circuit board 18, and the airflow sensor 15 extends into the assembly slot 162. The wrapping element 16 is also provided with a sensing channel 163 extending from the assembly slot 162 to the second side. After assembly, the sensing channel 163 is connected to the spacing 631 between the wrapping element 16 and the bracket 60, so that the airflow sensor 15 is provided with airflow communication with the airflow channel passing through the electronic atomization device 100 by the sensing channel 163. The airflow sensor 15 is connected to the airflow channel passing through the electronic atomization device 100 through the sensing channel, and then senses the inhalation.

[0169] according to Figures 3 to 13 As shown, the bracket 60 is defined with: a wire fixing portion 635 located in the second accommodating cavity 634; the conductive pins 41 at both ends of the heating element 40 are at least partially restricted and retained in the wire fixing portion 635. And, the wrapping element 16 has an avoidance hole 164 opposite to the wire fixing portion 635. After assembly, the wire fixing portion 635 is inserted into the avoidance hole 164 of the wrapping element 16, and then abuts or contacts the control circuit board 18. After the conductive pin 41 of the heating element 40 passes through the wire fixing portion 635 from the first accommodating cavity, it forms a conductive connection with the first part 181 of the control circuit board 18 by welding or abutting, so that the control circuit board 18 outputs power to the heating element 40.

[0170] according to Figures 3 to 13 As shown, the bracket 60 includes:

[0171] The first supporting portion 61 is close to or defines the first end of the bracket 60 ; the first section 611 of the first accommodating cavity is surrounded and defined by the first supporting portion 61 ; and the third liquid guiding element 51 is installed in the first supporting portion 61 .

[0172] according to Figures 3 to 13 As shown, the bracket 60 includes:

[0173] The second support portion 63 is close to or defines the second end of the bracket 60; the second accommodating cavity 634 is surrounded or defined by the second support portion 63. After assembly, at least part of the second support portion 63 is exposed outside the sealing element 80; specifically, the second sealing portion 82 of the sealing element 80 extends from the first end of the bracket 60 to the second support portion 63.

[0174] After assembly, the second support portion 63 is at least partially connected to, abutted against, or combined with the main shell 10. Specifically, a connection structure 632 is arranged on the outer surface of the second support portion 63; the connection structure 632 is, for example, a hook. The connection structure 632 is used to cooperate with a hook groove or the like on the main shell 10 to connect the bracket 60 to the main shell 10. A first positioning structure 631 is arranged on the outer surface of the second support portion 63, and a second positioning structure 117 is arranged on the partition wall 114 of the main shell 10. For example, the first positioning structure 631 is a protrusion, and the second positioning structure 117 is a groove. During assembly, positioning is provided between the bracket 60 and the main shell 10 through the cooperation of the first positioning structure 631 and the second positioning structure 117.

[0175] according to Figures 3 to 13 As shown, the bracket 60 includes:

[0176] The separation flange 62 is arranged to extend around the circumference of the bracket 60; the separation flange 62 is located between the first support portion 61 and the second support portion 63. A first cavity 64 is defined between the separation flange 62 and the first support portion 61; the first cavity 64 is an annular shape surrounding the bracket 60. A second cavity 65 is defined between the separation flange 62 and the second support portion 63; the second cavity 65 is an annular shape surrounding the bracket 60. The second cavity 65 partially surrounds the second section 612 of the first accommodating cavity.

[0177] After assembly, the first rib 821 on the second sealing portion 82 is squeezed or compressed between the first support portion 61 of the bracket 60 and the main housing 10, thereby providing a seal. The second rib 822 on the second sealing portion 82 is squeezed or compressed between the second support portion 63 of the bracket 60 and the main housing 10, thereby providing a seal. The third rib 823 on the second sealing portion 82 is squeezed or compressed between the partition flange 62 of the bracket 60 and the main housing 10, thereby providing a seal.

[0178] according to Figures 3 to 13 As shown, the first cavity 64 and / or the second cavity 65 is covered or sealed by the second sealing portion 82 of the sealing element 80. Fig.11 As shown in FIG. 6 , a first notch 623 is arranged on the separation flange 62, and the first cavity 64 and the second cavity 65 are connected by airflow through the first notch 623 of the separation flange 62. Alternatively, in some other variant embodiments, the first cavity 64 and the second cavity 65 are airtightly isolated from each other.

[0179] according to Figures 3 to 13 As shown, the bracket 60 is provided with:

[0180] The connecting hole 622 is formed so that the second section 612 of the first accommodating cavity passes through the first cavity 64. Also, the connecting hole 622 is adjacent to the partition flange 62. After assembly, the connecting hole 622 is connected to the outer surface of the first liquid guiding element 52. Fig.12 As shown, the communicating hole 622 and the third section 613 of the first accommodating cavity are staggered; the communicating hole 622 and the third section 613 are spaced apart.

[0181] The partition flange 62 is provided with a liquid retaining groove 621 on the surface of the first cavity 64, the edge of which extends from the communication hole 622 in the radial direction. Figures 3 to 13 As shown by the middle arrow R4, when the pressure in the liquid storage chamber 112 is greater than the external pressure, the liquid matrix absorbed and retained in the first liquid guiding element 52 can flow through the connecting hole 622 to the liquid retaining groove 621, and be adsorbed and retained in the liquid retaining groove 621; and when the pressure in the liquid storage chamber 112 is less than the external pressure, the liquid matrix that has flowed into the liquid retaining groove 621 flows back through the connecting hole 622 and is then reabsorbed by the first liquid guiding element 52. The liquid retaining groove 621 has a depth or width of about 0.5 to 3.0 mm. When the pressure in the liquid storage chamber 112 is less than the external pressure, for example, during air transportation or product testing, the liquid matrix that overflows from the ventilation channel 67 and is buffered in the first cavity 64 can flow back through the connecting hole 622 and be reabsorbed by the first liquid guiding element 52.

[0182] In some embodiments, the surface of the separation flange 62 located in the first cavity 64 is arranged in a curved or inclined manner; specifically, it is inclined toward the liquid retaining groove 621, which is beneficial for guiding and retaining the liquid matrix that has infiltrated onto the surface of the separation flange 62 toward the liquid retaining groove 621. In addition, the liquid retaining groove 621 is connected to the second cavity 65 through the first notch 623.

[0183] according to Figures 3 to 13 As shown, the bracket 60 is provided with:

[0184] The air inlet passage extends from the second accommodating chamber 634 to the atomizing assembly for delivering air to the atomizing assembly. Specifically, the bracket 60 has a first air communication port 681 and a second air communication port 682 arranged circumferentially spaced apart in the second cavity 65. Among them, the first air communication port 681 connects the second cavity 65 with the second accommodating chamber 634 in an airflow manner, so as to allow air to enter the second cavity 65 from the second accommodating chamber 634. The second air communication port 682 connects the second cavity 65 with the atomizing assembly, so as to deliver the air in the second cavity 65 to the atomizing assembly. In an embodiment, the first air communication port 681 and the second air communication port 682 are arranged opposite to each other in the radial direction of the bracket 60.

[0185] In use according to Figures 3 to 13 As shown by the middle arrow R2, the air in the second accommodating chamber 634 enters the second cavity 65 through the first air communication port 681, and at least partially flows through the second cavity 65 along the circumferential direction before being delivered to the atomization assembly from the second air communication port 682.

[0186] according to Figures 3 to 13 As shown by the middle arrow R2, during inhalation, external air enters from the air inlet 21 on the end cover 20, and then passes through the air holes 184 on the control circuit board 18 and the air holes 161 of the wrapping element 16 in turn to enter the second accommodating cavity 634 of the bracket 60; and then is delivered to the heating element 40 through the first air connecting port 681, the second cavity 65 and the second air connecting port 682 in turn, and carries the aerosol generated by the heating element 40 from the aerosol output tube 111 to the air outlet 113.

[0187] In an embodiment, the complete airflow channel passing through the electronic atomization device 100 is defined by multiple components. The airflow channel is at least partially defined between the end cap 20 and the control circuit board 18; the airflow channel at least partially flows or extends from the second side 140 to the first side 130 between the end cap 20 and the control circuit board 18.

[0188] The support 60 is provided with an air inlet passage for delivering air from the second accommodating chamber 634 to the atomizing assembly. The airflow passage and / or the air inlet passage at least partially extend in the second cavity 65; and the airflow passage and / or the air inlet passage surround the support 60 in the circumferential direction.

[0189] according to Figures 3 to 13 As shown in , a ventilation channel 67 is further defined between the bracket 60 and / or the sealing element 80, so as to provide a passage path for air to enter the liquid storage chamber 112 when the negative pressure in the liquid storage chamber 112 exceeds a predetermined threshold, thereby alleviating or reducing the negative pressure in the liquid storage chamber 112. In an embodiment, the ventilation channel 67 includes:

[0190] The ventilation compartment 671 is surrounded and defined by the first support portion 61, the fence 66, and two side walls 675 located between the first support portion 61 and the fence 66; the ventilation compartment 671 surrounded and defined by them is isolated from the first cavity 64; the two side walls 675 are arranged at intervals along the circumference of the bracket 60; the fence 66 and the first support portion 61 are arranged at intervals along the longitudinal direction of the bracket 60; a second notch 672 is arranged on one of the two side walls 675, and the ventilation compartment 671 is connected to the first cavity 64 by airflow through the ventilation compartment 671;

[0191] A first ventilation groove 673, which is located on the outer surface of the first support portion 61 and extends from the ventilation compartment 671 to the first end of the bracket 60;

[0192] The second ventilation groove 674 is located on the surface of the first end of the bracket 60 and extends from the first ventilation groove 673 to the inner surface of the first supporting portion 61 .

[0193] When the negative pressure in the liquid storage chamber 112 exceeds a predetermined threshold, the air in the ventilation compartment 671 passes through the first ventilation groove 673 and the second ventilation groove 674 in sequence and then enters the liquid storage chamber 112. Figures 3 to 13 As shown by the arrow R3.

[0194] In some embodiments, the first ventilation groove 673 and / or the second ventilation groove 674 have a width and / or depth of about 0.3 to 2.0 mm. Also, the area or size of the ventilation compartment 671 is larger than the area or size of the first ventilation groove 673 and / or the second ventilation groove 674. For example, Fig.11 As shown in , the ventilation compartment 671 has a width of about 4 to 8 mm and a height of 2 to 5 mm. In use, the cross-sectional area of ​​the ventilation compartment 671 is significantly enlarged compared to the first ventilation groove 673 and / or the second ventilation groove 674, so that when the pressure in the liquid storage chamber 112 is greater than the external pressure, the ventilation compartment 671 can buffer or contain the liquid matrix that seeps out through the first ventilation groove 673 and / or the second ventilation groove 674.

[0195] In the embodiment, the ventilation compartment 671 of the ventilation channel 67 is connected to the first cavity 64 through the second notch 672, so that the air in the first cavity 64 enters the ventilation channel 67. In the embodiment, since the first cavity 64 and the second cavity 65 are connected through the first notch 623 of the separation flange 62, the ventilation channel 67 is connected to the air inlet channel of the bracket 60 and / or the air flow channel passing through the electronic atomization device 100.

[0196] In the embodiment, the ventilation channel 67 crosses the third liquid guiding element 51 , and the ventilation channel 67 is surrounded or covered by the sealing element 80 .

[0197] Figures 14 to 21 A schematic diagram of some components of an electronic atomization device in another variant embodiment is shown; in this embodiment, a bracket 60a of the electronic atomization device includes:

[0198] The first end and the second end are opposite to each other; wherein the first end is installed toward the liquid storage chamber 112, and the second end is installed toward the control circuit board 18;

[0199] The first accommodating cavity is located at the first end and is open at the first end; the first accommodating cavity includes a first section 611a, a second section 612a and a third section 613a arranged in sequence along the longitudinal direction; the diameters and / or cross-sectional areas of the first section 611a, the second section 612a and the third section 613a decrease in sequence; after assembly, the third liquid-conducting element 51a is contained and retained in the first section 611a, and the first liquid-conducting element 52a is contained and retained in the second section 612a; the tubular element 14a sequentially passes through the first section 611a and the second section 612a to the third section 613a; the second liquid-conducting element 30a is located in the tubular element 14a, and from The second section 612a extends to the third section 613a; the third section 613a has a positioning convex edge 614a: the positioning convex edge 614a and the inner surface of the third section 613a define a plug-in groove; when the tubular element 14a is assembled to the first accommodating cavity, it is positioned and inserted into the plug-in groove to provide positioning; the inner surface of the third section 613a also defines a positioning groove 615a; the positioning convex edge 614a has abutting step 616a extending to the positioning groove 615a; during assembly, the second through hole 142a of the tubular element 14a is aligned with the abutting step 616a for assembly; and the second liquid guiding element 30a longitudinally abuts against the abutting step 616a. After assembly, the part of the second liquid guiding element 30a exposed or extending out of the second through hole 142a of the tubular element 14a is accommodated in the positioning groove 615a.

[0200] In this embodiment, the bracket 60a of the electronic atomization device further includes:

[0201] The second accommodating cavity 634a is located at the second end and is open at the second end; the bracket 60a is also arranged with a wire fixing portion 635a located in the second accommodating cavity 634a, and an abutting portion 636a for the wrapping element 16 to abut.

[0202] In this embodiment, the bracket 60a further includes:

[0203] The first support portion 61a is close to or defines the first end; the first support portion 61a surrounds or defines the first section 611a of the first accommodation cavity;

[0204] The second support portion 63a is close to or defines the second end; the second support portion 63a surrounds or defines the second accommodation cavity 634a;

[0205] The partition flange 62a is located between the first support portion 61a and the second support portion 63a and is arranged to extend around the circumference of the bracket 60a; a first cavity 64a is defined or formed between the partition flange 62a and the first support portion 61a, and a second cavity 65a is defined or formed between the partition flange 62a and the second support portion 63a. The second cavity 65a partially surrounds the second section 612a of the first accommodating cavity.

[0206] In this embodiment, the second cavity 65a of the bracket 60a is provided with:

[0207] The first baffle wall 691a and the second baffle wall 692a are arranged at intervals along the circumferential direction; the first baffle wall 691a and the second baffle wall 692a extend from the separation flange 62a to the second support portion 63a; and an isolation space is defined and formed between the first baffle wall 691a and the second baffle wall 692a; an air communication gap 693a is arranged on the second baffle wall 692a to connect the isolation space with the second cavity 65a.

[0208] In this embodiment, an air inlet passage is arranged on the bracket 60a to provide an air inlet path for air to be delivered from the second accommodating chamber 634a to the heating element 40a. In this embodiment, the air inlet passage includes or defines a first air communication port 681a and a second air communication port 682a located in the isolation space; the first air communication port 681a and the second air communication port 682a are arranged in parallel or adjacently. The distance between the first air communication port 681a and the second air communication port 682a is relatively small, for example, about 1 to 5 mm.

[0209] The first air communication port 681a and the second air communication port 682a are arranged in parallel between the first blocking wall 691a and the second blocking wall 692a. The first air communication port 681a is close to the first blocking wall 691a, and the second air communication port 682a is close to the second blocking wall 692a.

[0210] The first air communication port 681a and the second air communication port 682a are directly connected in the isolation space between the first baffle wall 691a and the second baffle wall 692a. Figures 14 to 21 As shown by the middle arrow R2, after the air flows from the second accommodating chamber 634a to the first air communication port 681a, it is directly delivered to the heating element 40a from the second air communication port 682a. In this embodiment, the air inlet passage does not extend around the circumference of the bracket 60a. In this embodiment, the air inlet passage can extend from the second accommodating chamber 634a to the heating element 40a in a shorter or faster manner, and the path of the air inlet passage has no unnecessary turns, which is beneficial to reducing the suction resistance during suction.

[0211] A separating rib 695a is arranged on the surface of the second supporting portion 63a between the first baffle wall 691a and the second baffle wall 692a, and the separating rib 695a is arranged to extend radially; and the separating rib 695a is used to provide isolation between the first air communicating port 681a and the second air communicating port 682a to prevent the liquid matrix or aerosol condensate flowing out of the second air communicating port 682a from flowing to the first air communicating port 681a.

[0212] One or more radially extending drainage grooves 694a are also arranged on the surface of the second support portion 63a between the first baffle wall 691a and the second baffle wall 692a. The drainage groove 694a is located between the separation ridge 695a and the second baffle wall 692a. The drainage groove 694a is used to guide the liquid matrix or aerosol condensate flowing out of the second air communication port 682a to the outer edge of the bracket 60a to prevent the aerosol condensate from accumulating in large quantities near the second air communication port 682a, resulting in a gurgling sound when the user inhales.

[0213] In this embodiment, according to Figures 14 to 21 As shown, the bracket 60a is also provided with:

[0214] The ventilation channel 67a defines an air channel from the first cavity 64a across the first support portion 61a into the liquid storage cavity, such as Figures 14 to 21 As shown by arrow R3, the ventilation channel 67a includes:

[0215] A first ventilation groove 673a is located on the outer surface of the first supporting portion 61a and extends longitudinally to the first end of the bracket 60a;

[0216] The second ventilation groove 674a is located on the surface of the first end of the bracket 60a and extends from the first ventilation groove 673a to the first section 611a of the first accommodating cavity.

[0217] In this embodiment, the ventilation channel 67a further includes:

[0218] The first cavity 64a of the bracket 60a is provided with a first ventilation compartment 671a and a second ventilation compartment 676a arranged in sequence along the circumferential direction; the first ventilation compartment 671a and the second ventilation compartment 676a are airflow-connected; the air in the first cavity 64a flows through the second ventilation compartment 676a and the first ventilation compartment 671a in sequence, and then enters the first ventilation groove 673a.

[0219] Specifically in this embodiment, a fence 66a is arranged in the first cavity 64a of the bracket 60a; the fence 66a is basically extended circumferentially, and the fence 66a is located between the partition flange 62a and the first support part 61a; a first side wall 675a, a second side wall 677a and a third side wall 679a are arranged between the fence 66a and the partition flange 62a and are spaced apart along the circumference of the bracket 60a; the first ventilation compartment 671a is defined between the first side wall 675a ​​and the second side wall 677a; the second ventilation compartment 676a is defined between the second side wall 677a and the third side wall 679a.

[0220] The second side wall 677a is provided with a second notch 672a, which connects the first ventilation compartment 671a and the second ventilation compartment 676a. The third side wall 679a is provided with a third notch 678a, which connects the second ventilation compartment 676a and the first cavity 64a.

[0221] In this embodiment, the first ventilation compartment 671a and the second ventilation compartment 676a can be used to store the liquid matrix that seeps out from the liquid storage chamber 112 through the ventilation channel 67a. Or in more variations, the support 60a can also include more ventilation compartments, such as a third ventilation compartment, a fourth ventilation compartment, etc., located between the second ventilation compartment 676a and the first cavity 64a.

[0222] according to Figures 19 to 22 As shown, in this embodiment, the bracket 60a is also provided with:

[0223] The communicating hole 622a extends from the second section 612a of the second cavity 65a to the second cavity 65a; or the communicating hole 622a communicates the second section 612a of the second cavity 65a with the second cavity 65a;

[0224] The partition flange 62a is provided on the surface of the first cavity 64a with a liquid retaining groove 621a extending from the communicating hole 622a in the radial direction. Fig. 22 As shown by the middle arrow R4, when the pressure in the liquid storage chamber 112 is greater than the external pressure, the liquid matrix absorbed and retained in the first liquid guiding element 52a can seep into the liquid retaining groove 621a through the connecting hole 622a and be adsorbed and retained in the liquid retaining groove 621a; and when the pressure in the liquid storage chamber 112a is less than the external pressure, the liquid matrix seeped into the liquid retaining groove 621a flows back through the connecting hole 622a and is then reabsorbed by the first liquid guiding element 52a.

[0225] according to Fig. 22As shown, in this embodiment, there is no gap on the separation flange 62a that directly connects the first cavity 64a with the second cavity 65a. Accordingly, the bracket 60a also includes a connecting channel for connecting the first cavity 64a with the air intake channel of the bracket 60a so that the air in the air intake channel can enter the first cavity 64a. Specifically, in this embodiment, the connecting channel includes:

[0226] The first air groove 624a extends longitudinally on the inner surface of the third section 613a of the first accommodating chamber; the first air groove 624a extends from the liquid holding groove 621a toward the second end; the first air groove 624a is connected to the liquid holding groove 621a;

[0227] The second air groove 625a extends from the first air groove 624a on the bottom wall of the third section 613a to the air inlet passage. The second air groove 625a passes through the positioning protrusion 614a.

[0228] In use Fig. 22 As shown by the middle arrow R5, when the negative pressure in the liquid storage chamber 112 is transmitted to the first cavity 64a, the air in the air inlet channel passes through the second air groove 625a, the first air groove 624a and the liquid retaining groove 621a in sequence, and finally enters the first cavity 64a.

[0229] It should be noted that the preferred embodiments of the present application are given in the specification and drawings of the present application, but are not limited to the embodiments described in the specification. Furthermore, it is possible for a person of ordinary skill in the art to make improvements or changes based on the above description, and all such improvements and changes should fall within the scope of protection of the claims attached to the present application.

Claims

1. An electronic atomization device, characterized in that: include: A liquid storage chamber, used for storing a liquid matrix; A liquid conducting element, used for sucking the liquid matrix from the liquid storage chamber; A heating element, used for heating the liquid matrix absorbed by the liquid-conducting element to generate an aerosol; A bracket, used for supporting the liquid-conducting element and the heating element; the inner surface of the bracket defines a first accommodating cavity arranged toward the liquid storage cavity, and the liquid-conducting element is received or accommodated in the first accommodating cavity; the outer surface of the bracket defines a first cavity, and the first cavity at least partially surrounds the first accommodating cavity; The bracket is further provided with a communication hole extending from the first accommodating cavity to the first cavity, and a part of the surface of the liquid-conducting element is connected with the first cavity through the communication hole; Wherein, the bracket at least partially defines a ventilation channel connected between the first cavity and the liquid storage cavity, and the ventilation channel provides a flow path for the air in the first cavity to enter the liquid storage cavity, so as to adjust the pressure in the liquid storage cavity.

2. The electronic atomization device according to claim 1, characterized in that: The liquid-conducting element comprises: a first liquid guiding element, used for sucking the liquid matrix from the liquid storage chamber; a second liquid conducting element, at least partially located within the first liquid conducting element and arranged to indirectly draw liquid matrix from the liquid storage cavity from an inner surface of the first liquid conducting element; The heating element is combined with the second liquid-conducting element.

3. The electronic atomization device according to claim 2, characterized in that: The outer surface of the first liquid-conducting element abuts against the inner surface of the first accommodating cavity and covers the communicating hole.

4. The electronic atomization device according to any one of claims 1 to 3, characterized in that: The inner surface of the first cavity is arranged with: At least one liquid retaining groove is used to absorb or retain the liquid matrix seeping out from the communicating holes.

5. The electronic atomization device according to claim 4, characterized in that: The liquid retaining groove is connected to the communication hole.

6. The electronic atomization device according to claim 4, characterized in that: The liquid retaining groove is arranged to extend from the communication hole to an outer side edge of the bracket.

7. The electronic atomization device according to claim 4, characterized in that: The liquid retaining grooves are arranged along a radial direction of the support.

8. The electronic atomization device according to any one of claims 1 to 3, characterized in that: Also includes: shell; a sealing element at least partially disposed between the bracket and the housing for providing a seal therebetween; The sealing element is arranged to surround the outer side of the bracket and cover the first cavity.

9. The electronic atomization device according to claim 2 or 3, characterized in that: Also includes: a third liquid-conducting element, located between the first liquid-conducting element and the liquid storage chamber, wherein a portion of the surface of the third liquid-conducting element is in fluid communication with the liquid storage chamber to absorb liquid matrix from the liquid storage chamber; The first liquid conducting element contacts the third liquid conducting element, thereby indirectly drawing the liquid matrix from the liquid storage chamber from the third liquid conducting element.

10. The electronic atomization device according to claim 9, characterized in that: The bracket has a first end mounted toward the liquid storage cavity, and a second end facing away from the first end; the first accommodating cavity includes a first section, a second section, and a third section arranged in sequence from the first end to the second end; the cross-sectional area of ​​the first section is larger than the cross-sectional area of ​​the second section, and the cross-sectional area of ​​the second section is larger than the cross-sectional area of ​​the third section; The third liquid-conducting element is received or accommodated in the first section; The first liquid-conducting element is received or accommodated in the second section; The second liquid-conducting element extends from the first liquid-conducting element into the third section.

11. The electronic atomization device according to claim 10, characterized in that: The communicating hole avoids the first section and the third section; The first cavity at least partially surrounds the second section.

12. The electronic atomization device according to claim 2 or 3, characterized in that: Also includes: A tubular element, which passes through the first liquid-conducting element and is partially located in the first accommodating cavity; a wall of the tubular element is provided with perforations; The second liquid-conducting element is located in the tubular element, and indirectly draws the liquid medium from the liquid storage chamber from the first liquid-conducting element through the perforations.

13. The electronic atomization device according to any one of claims 1 to 3, characterized in that: The support also defines an air inlet channel, which provides a flow path for delivering air to the heating element during suction; the first cavity is in airflow communication with the air inlet channel.

14. The electronic atomization device according to any one of claims 1 to 3, characterized in that: A second accommodating cavity is further defined in the bracket, and the second accommodating cavity is arranged away from the liquid storage cavity; The electronic atomization device also includes: The airflow sensor is arranged in the second accommodating cavity and is used to sense the change of the airflow flowing through the inside of the electronic atomization device.

15. The electronic atomization device according to any one of claims 1 to 3, characterized in that: The support comprises: A first supporting portion close to the liquid storage chamber, and a second supporting portion away from the first supporting portion; The partition flange is arranged to extend around the circumference of the bracket and is located between the first supporting portion and the second supporting portion; the first cavity is defined between the partition flange and the first supporting portion.

16. The electronic atomization device according to claim 15, characterized in that: Also includes: Battery cells, used for power supply; a control circuit board configured to direct current between the battery cell and the heating element; At least a portion of the control circuit board abuts against or is connected to the second supporting portion of the bracket.

17. The electronic atomization device according to claim 15, characterized in that: The ventilation channel is at least partially formed on the surface of the first supporting portion.

18. The electronic atomization device according to claim 17, characterized in that: The ventilation channel includes a ventilation groove formed on a surface of the first supporting portion.

19. The electronic atomization device according to claim 18, characterized in that: The ventilation channel also includes: at least one or more ventilation compartments, bounded by a plurality of walls disposed within the first cavity, for providing airflow communication between the ventilation slot and the first cavity; The area and / or width of the at least one or more ventilation compartments are greater than the area and / or width of the ventilation slots.

20. The electronic atomization device according to claim 15, characterized in that: Also includes: A second cavity is defined between the separation flange and the second support portion.

21. The electronic atomization device according to claim 20, characterized in that: The first cavity and the second cavity are in airflow communication.

22. The electronic atomization device according to claim 20, characterized in that: The bracket also defines a portion located between the separation flange and the second support portion: a first air communication port for allowing air to enter the second cavity; a second air communication port for allowing air in the second cavity to flow toward the heating element; The first air communication port and the second air communication port are arranged in parallel or adjacent to each other.

23. The electronic atomization device according to claim 22, characterized in that: The surface of the second supporting part located in the second cavity is arranged with: At least one drainage groove is used to guide the aerosol condensate or liquid matrix flowing out of the second air communication port away from the second air communication port and / or the first air communication port.

24. The electronic atomization device according to any one of claims 1 to 3, characterized in that: Also includes: a first side and a second side opposite to each other in a width direction; a partition wall extending in the longitudinal direction and defining a first compartment with the first side and a second compartment with the second side; The second compartment is provided with a battery cell; The liquid storage cavity is defined by a portion of the first compartment, and the bracket and the liquid-conducting element are arranged in the first compartment.

25. The electronic atomization device according to claim 24, characterized in that: Also includes: A proximal end and a distal end facing away from each other in a longitudinal direction; A control circuit board is arranged perpendicular to the longitudinal direction and is located between the partition wall and the distal end; The control circuit board includes a first part opposite to the first compartment and a second part opposite to the second compartment; the second part is connected to the battery cell; the first part is connected to the heating element and is configured to supply the power output by the battery cell to the heating element.

26. The electronic atomization device according to claim 25, characterized in that: Also includes: The airflow sensor is arranged on the first part of the control circuit board and is used to sense the change of the airflow flowing through the electronic atomization device.

27. The electronic atomization device according to claim 25, characterized in that: Also includes: an air outlet, located at the proximal end; an air inlet located at the distal end; An airflow channel defines an airflow path from the air inlet via the heating element to the air outlet to transfer the aerosol to the air outlet; a portion of the airflow channel is between the control circuit board and the distal end and extends from the second side toward the first side.

28. The electronic atomization device according to any one of claims 1 to 3, characterized in that: Also includes: A housing having a proximal end and a distal end facing each other in a longitudinal direction, and a first side and a second side facing each other in a width direction; a partition wall, located in the shell and extending in the longitudinal direction, and defining a first compartment and a second compartment arranged in the width direction in the shell; The first compartment is defined between the partition wall and the first side, and the second compartment is defined between the partition wall and the second side; the liquid storage chamber is defined by a portion of the first compartment; The liquid-conducting element and the heating element are arranged in the first compartment; a battery cell, located in the second compartment and used to supply power to the heating element; A control circuit board is arranged perpendicular to the longitudinal direction of the housing and is located between the partition wall and the distal end; the control circuit board includes a first portion opposite to the first compartment and a second portion opposite to the second compartment; the second portion is connected to the battery cell; the first portion is connected to the heating element and is configured to supply the power output by the battery cell to the heating element.

29. An electronic atomization device, characterized in that: include: A liquid storage chamber, used for storing a liquid matrix; A bracket having a first end mounted toward the liquid storage cavity and a second end facing away from the first end; the bracket defines a first accommodating cavity, the first accommodating cavity comprising a first section, a second section and a third section arranged in sequence from the first end to the second end; the cross-sectional area of ​​the first section is greater than the cross-sectional area of ​​the second section, and the cross-sectional area of ​​the second section is greater than the cross-sectional area of ​​the third section; a first liquid guiding element, located in the second section, for absorbing the liquid matrix from the liquid storage chamber; a tubular element at least partially extending through the first and second sections to the third section; A second liquid-conducting element and a heating element are arranged in the tubular element; the second liquid-conducting element indirectly absorbs the liquid matrix from the liquid storage cavity from the inner surface of the first liquid-conducting element; the heating element is combined with the second liquid-conducting element, and heats at least part of the liquid matrix in the second liquid-conducting element to generate an aerosol; The third liquid-conducting element is located in the first section, and a part of its surface is in fluid communication with the liquid storage chamber to absorb the liquid matrix. The first liquid-conducting element indirectly absorbs the liquid matrix from the liquid storage chamber through the third liquid-conducting element.

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