WO2023186114A1

WO2023186114A1 - Atomizer and electronic atomization device

Info

Publication number: WO2023186114A1
Application number: PCT/CN2023/085541
Authority: WO
Inventors: 李富毅; 徐中立; 李永海
Original assignee: 深圳市合元科技有限公司
Priority date: 2022-04-02
Filing date: 2023-03-31
Publication date: 2023-10-05
Also published as: CN116919006A

Abstract

An atomizer (100) and an electronic atomization device. The atomizer (100) comprises: a liquid storage cavity (12) used for storing a liquid matrix; a heating element (40) configured to be in the shape of a cylinder extending in the longitudinal direction of the atomizer (100) for heating the liquid matrix to generate an aerosol; and a support (50) at least partially located in the heating element (40) and configured to at least partially provide support for the heating element (40) from the interior of the heating element (40). In the atomizer (100), the support (50) at least partially extends into the cylindrical heating element (40) so as to provide support for the heating element (40).

Description

Atomizers and electronic atomization devices

Cross-references to related applications

This application claims priority to the Chinese patent application submitted to the China Patent Office on April 2, 2022, with the application number 202210357372.4 and the invention name "Atomizer and Electronic Atomizer Device", the entire content of which is incorporated into this application by reference. middle.

Technical field

The embodiments of the present application relate to the field of electronic atomization technology, and in particular, to an atomizer and an electronic atomization device.

Background technique

Smoking products (eg, cigarettes, cigars, etc.) burn tobacco during use to produce tobacco smoke. Attempts have been made to replace these tobacco-burning products by creating products that release compounds without burning them.

Examples of such products are heating devices that release compounds by heating rather than burning the material. For example, the material may be tobacco or other non-tobacco products, which may or may not contain nicotine. As another example, there are so-called electronic atomization devices. These devices typically contain a liquid that is heated so that it vaporizes, creating an inhalable aerosol. The liquid may contain nicotine and/or flavors and/or aerosol-generating substances (eg, glycerin). Known electronic atomization devices, such as the CN202022447740.3 patent technology, wrap, surround and support the heating mesh rolled into a cylindrical shape from the outside through an annular liquid-conducting element, so that the heating mesh can be stably maintained in the electronic atomization device.

Contents of the invention

In a first aspect, embodiments of the present application provide an atomizer, including:

Liquid storage chamber for storing liquid matrix;

a heating element configured in a cylindrical shape extending along the longitudinal direction of the atomizer for heating a liquid substrate to generate an aerosol; and

a bracket, at least part of the bracket being surrounded by the heating element so as to be positioned inside the heating element, and at least part of the bracket being configured to face the heating element from the inside of the heating element Provide support.

In a preferred implementation, the heating element is formed from a sheet wrapped around at least part of the support.

The preferred implementation also includes:

suction port;

an air inlet, and an air flow channel located between the air inlet and the air suction port; the air inlet, the air suction port, and the air flow channel are arranged to define from the air inlet via the heating element to The airflow path of the inhalation port to deliver aerosol to the inhalation port;

The air flow channel passes through the bracket at least partially along the longitudinal direction of the atomizer.

In a preferred implementation, the bracket includes a first part surrounded by the heating element and a second part exposed outside the heating element; wherein the first part is configured to provide power to the heating element from inside the heating element. Support, the second portion abuts the heating element to provide a stop.

The preferred implementation also includes:

A liquid conducting element extends along the axial direction of the heating element and surrounds the heating element, and is used to conduct the liquid matrix in the liquid storage chamber to the heating element.

The preferred implementation also includes:

A tubular element extends along the longitudinal direction of the atomizer and at least partially defines the liquid storage chamber, the tubular element is configured to surround and retain the liquid-conducting element and is stopped against the bracket. move.

In a preferred implementation, the liquid-conducting element is flexible, and at least a portion of the liquid-conducting element is radially squeezed or compressed between the tubular element and the heating element.

In a preferred implementation, the tubular element is provided with a first notch or groove or hole;

The bracket is provided with a positioning protrusion that extends into the first notch, groove or hole to prevent the tubular element from rotating relative to the bracket.

In a preferred implementation, the heating element includes a first end and a second end that are away from each other in an axial direction;

The bracket includes a first support portion and a second support portion spaced apart in a longitudinal direction; the first support portion is annular in shape and is arranged to be viewed from the inside near the first end of the heating element. providing support to the heating element;

The second support portion is annular in shape and is arranged to provide support to the heating element from the inside near the second end of the heating element.

In a preferred implementation, the heating element is defined with side openings extending in the axial direction, so that the heating element is not closed in the circumferential direction.

In a preferred implementation, the bracket further includes a third support portion extending in the longitudinal direction; the third support portion is at least partially located within the side opening of the heating element to provide support for the heating element.

In a preferred implementation, the heating element includes an electrically conductive lead for powering the heating element;

The inner surface or the outer surface of the bracket is provided with a lead groove, and the conductive lead is at least partially accommodated and retained in the lead groove.

The preferred implementation also includes:

A lead fastener, at least part of the lead fastener blocks or covers the conductive lead contained in the lead slot to prevent the conductive lead from leaving the lead slot.

In a preferred implementation, the lead fastener is configured substantially in an annular shape.

In a preferred implementation, the liquid storage chamber has an open opening; the atomizer further includes:

A flexible sealing seat is configured to cover the opening to seal the liquid storage chamber, and the sealing seat accommodates and retains at least a portion of the bracket.

The preferred implementation also includes:

End supports used to support the sealing seat;

The sealing seat has a first surface that seals or covers the opening, and the sealing seat also has a through hole extending to the first surface;

The end support has an extension arm extending at least partially within the through hole, and an air channel is defined between the extension arm and the through hole to provide a path for air to enter the liquid storage chamber.

In a preferred implementation, the air channel includes an outer surface of the extension arm and/or the passage Air grooves on the inner surface of the hole.

In a preferred implementation, the heating element includes a first end and a second end that are away from each other along the axial direction; the heating element further includes:

a heating part configured to generate Joule heat;

A first tooth portion or wing portion extends from the heating portion toward the first end and terminates at the first end;

A second tooth portion or wing portion extends from the heating portion toward the second end and terminates at the second end;

The bracket is arranged to provide support for the first tooth or wing and/or the second tooth or wing and to avoid the heat generating portion.

The first coupling part coupled to the bracket is located at the first end;

a second coupling portion coupled to the bracket, located at the second end;

The heat-generating part is located between the first combining part and the second combining part along the axial direction and is configured to generate Joule heat; the heat-generating part avoids the bracket and is exposed to the air flow channel.

In the second aspect, the embodiment of the present application also proposes another atomizer, including:

a tubular element configured to extend longitudinally of the atomizer;

a liquid storage chamber, at least partially defined by the tubular element, and used to store a liquid matrix; the liquid storage chamber has an opening;

a heating element located within the tubular element and configured to extend longitudinally of the atomizer for heating a liquid matrix to generate an aerosol;

a flexible sealing seat configured to cover the opening to seal the liquid storage chamber; the sealing seat at least partially accommodates and surrounds the tubular element;

An end support for supporting the sealing seat; the sealing seat has a first surface that seals or covers the opening; the sealing seat also has a through hole extending to the first surface;

The end support has an extension arm extending at least partially within the through hole; the extension arm and An air channel is defined between the through holes to provide a path for air to enter the liquid storage chamber.

In some specific implementations, the end support may be an end cap component of the atomizer.

In a third aspect, embodiments of the present application also provide an electronic atomization device, including an atomizer for atomizing a liquid matrix to generate an aerosol, and a power supply device for powering the atomizer; the atomizer includes Atomizer as described above.

The above atomizer has a bracket that at least partially extends into the interior of the cylindrical heating element to provide support for the heating element.

Description of drawings

One or more embodiments are exemplified by the pictures in the corresponding drawings. These illustrative illustrations do not constitute limitations to the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements. Unless otherwise stated, the figures in the drawings are not intended to be limited to scale.

Figure 1 is a schematic diagram of an electronic atomization device provided by an embodiment;

Figure 2 is a schematic diagram of an embodiment of the atomizer in Figure 1;

Figure 3 is an exploded schematic diagram of the atomizer in Figure 2 from one perspective;

Figure 4 is an exploded schematic diagram of the atomizer in Figure 2 from another perspective;

Figure 5 is a schematic cross-sectional view of the atomizer in Figure 2 from one perspective;

Figure 6 is an exploded schematic view of the heating element and bracket in Figure 3 before assembly from another perspective;

Figure 7 is a schematic diagram of the heating element and bracket in Figure 6 after assembly;

Figure 8 is a schematic diagram of the heating element in Figure 7 wrapped around the liquid-conducting element;

Figure 9 is a schematic diagram of assembling the lead fasteners in the bracket in Figure 8;

Figure 10 is a schematic diagram of a further tubular element being placed outside the liquid-conducting element in Figure 9;

Figure 11 is an exploded schematic view of the heating element and bracket before assembly in yet another embodiment;

Figure 12 is a schematic diagram of the heating element and bracket in Figure 11 after assembly;

Figure 13 is an exploded schematic view of the heating element, bracket and fastening base before assembly in yet another embodiment;

Figure 14 is a schematic diagram of the heating element and bracket in Figure 13 after assembly;

Figure 15 is a schematic diagram of the fastening base further assembled outside the bracket in Figure 14;

Figure 16 is a schematic diagram of the heating element in Figure 15 that is further wrapped with a liquid-conducting element and a tubular element;

Figure 17 is a schematic diagram of the tubular component in Figure 16 after assembly;

Figure 18 is a schematic diagram of the end cover in Figure 3 from another perspective;

Figure 19 is a schematic diagram of the air channel defined between the end cap and the seal seat in Figure 18.

Detailed ways

In order to facilitate understanding of the present application, the present application will be described in more detail below in conjunction with the accompanying drawings and specific embodiments.

One embodiment of the present application provides an electronic atomization device, as shown in FIG. 1 , including an atomizer 100 that stores a liquid substrate and atomizes it to generate an aerosol, and a power supply that powers the atomizer 100 Establishment 200.

In an optional implementation, such as shown in FIG. 1 , the power supply mechanism 200 includes a receiving cavity 270 disposed at one end along the length direction for receiving and accommodating at least a portion of the atomizer 100 , and at least partially exposed in the receiving cavity. The first electrical contact 230 in 270 is used to form an electrical connection with the atomizer 100 and thereby power the atomizer 100 when at least a portion of the atomizer 100 is received and accommodated in the power supply mechanism 200 .

According to the preferred implementation shown in FIG. 1 , a second electrical contact 21 is provided on the end of the atomizer 100 opposite to the power supply mechanism 200 along the length direction, and when at least a part of the atomizer 100 is received in the receiving cavity 270 , the second electrical contact 21 is in contact with the first electrical contact 230 to form electrical conduction.

A seal 260 is provided inside the power supply mechanism 200 , and at least a part of the internal space of the power supply mechanism 200 is partitioned by the seal 260 to form the above receiving cavity 270 . In the preferred implementation shown in FIG. 1 , the seal 260 is configured to extend in a longitudinal direction perpendicular to the power supply mechanism 200 , and is preferably made of a flexible material such as silicone, thereby preventing the atomizer 100 from seeping into the receiving chamber. The liquid matrix at 270 flows to the controller 220, sensor 250 and other components inside the power supply mechanism 200.

In the preferred implementation shown in FIG. 1 , the power supply mechanism 200 also includes a battery core 210 for power supply at the other end away from the receiving cavity 270 along the length direction; and a controller 220 disposed between the battery core 210 and the receiving cavity 270 , the controller 220 is operable to direct current between the battery core 210 and the first electrical contact 230 .

In use, the power supply mechanism 200 includes a sensor 250 for sensing when the atomizer 100 is inhaling. The controller 220 controls the electric core 210 to supply power to the atomizer 100 based on the generated suction airflow based on the detection signal of the sensor 250 .

Further in the preferred implementation shown in FIG. 1 , the power supply mechanism 200 is provided with a charging interface 240 at the other end away from the receiving cavity 270 for charging the battery core 210 .

The embodiments of Figures 2 to 5 show a schematic structural diagram of an embodiment of the atomizer 100 in Figure 1, including:

The main housing 10; as shown in Figures 2 to 3, the main housing 10 is generally flat and cylindrical; the main housing 10 has a proximal end 110 and a distal end 120 opposite along the length direction; wherein, according to the commonly used According to the requirements, the proximal end 110 is configured as the end for the user to inhale the aerosol, and the proximal end 110 is provided with an inhalation port A for the user to inhale; and the distal end 120 is used as the end that is combined with the power supply mechanism 200, and mainly The distal end 120 of the housing 10 is open, and a detachable end cover 20 is installed on it. The open structure is used to install necessary functional components inside the main housing 10 .

Further in the specific implementation shown in Figures 2 to 5, the second electrical contact 21 penetrates from the surface of the end cover 20 to the inside of the atomizer 100, and is at least partially exposed between the end cover 20/atomizer. 100/distal end 120, when the atomizer 100 is received in the receiving cavity 270 of the power supply mechanism 200, the second electrical contact 21 can contact the first electrical contact 230 to form electrical conduction. At the same time, the end cap 20 is also provided with a first air inlet 23 for allowing external air to enter the atomizer 100 during suction.

Referring further to FIGS. 3 to 5 , the interior of the main housing 10 is provided with a liquid storage chamber 12 for storing a liquid substrate, and an atomization assembly for sucking the liquid substrate from the liquid storage cavity 12 and heating the atomized liquid substrate. . Wherein, the atomization component usually includes a capillary liquid-conducting element 30 for absorbing the liquid substrate, and a heating element 40 combined with the liquid-conducting element 30. The heating element 40 heats at least part of the liquid substrate of the liquid-conducting element 30 to generate an aerosol during power-on. . In an optional implementation, the liquid-conducting element 30 includes flexible fibers, such as cotton fibers, non-woven fabrics, fiberglass ropes, etc., or porous materials with microporous structures, such as porous ceramics; the heating element 40 may be printed. , deposited, sintered or physically assembled on the liquid-conducting element 30 , or wound around the liquid-conducting element 30 .

Further in the specific implementation shown in FIGS. 3 to 5 , the interior of the main housing 10 is provided with a trachea 13 extending from the proximal end 110 toward the distal end 120 , and extends in the longitudinal direction and is spaced apart from the trachea 13 and connected with the trachea 13 . 13 connected tubular element 11; after assembly, the trachea 13 and the tubular element 11 jointly define an output channel for outputting the aerosol;

In the specific implementation shown in Figure 5, the tubular element 11 is a separate component, preferably made of relatively Made of thin rigid material; such as ceramic or stainless steel; the air pipe 13 is integrally molded with the main housing 10 from a moldable material.

And after assembly, a liquid storage chamber 12 for storing the liquid matrix is defined between the outer surface of the air tube 13, the outer surface of the tubular element 11 and the inner wall of the main housing 10, that is, the tubular element 11 at least partially defines the liquid storage chamber. 12.

And in the implementation shown in FIGS. 3 to 5 , the liquid storage chamber 12 defined in the main housing 10 is closed by the main housing 10 at the proximal end 110 ; and the liquid storage chamber 12 is toward the distal end 120 The ends are open. Furthermore, as shown in Figures 3 to 5, the atomizer 100 also includes:

The flexible sealing seat 60 is used to seal the open end of the liquid storage chamber 12 toward the distal end 120 on the one hand, and to provide a seal between the end cover 20 and the main housing 10 to prevent the liquid matrix from Oozing. In terms of specific structure, as shown in Figures 3 to 5, the flexible sealing seat 60 includes:

The peripheral side wall 610 and the sealing portion 620 located within the peripheral side wall 610; there is a spacing space 630 between the sealing portion 620 and the peripheral side wall 620, and the spacing space 630 is open on the side facing the end cover 20. During assembly, the end cap 20 is inserted or extended into the spacing space 630 for assembly. And when assembled, the peripheral sidewall 610 partially surrounds or surrounds the end cap 20 and is supported from the inside by the end cap 20 to provide a seal between the end cap 20 and the main housing 10 . After assembly, the sealing portion 620 extends into or is received in the end cap 20 .

And the sealing seat 60 has a contact hole 62 penetrating along the axial or longitudinal direction; after assembly, the second electrical contact 21 penetrates or extends into the contact hole 62 . As shown in FIG. 5 , after assembly, the second electrical contact 21 penetrates the contact hole 62 and extends to the liquid storage chamber 12 . Preferably, the second electrical contact 21 is flush with the surface of the sealing seat 60 . The second electrical contact 21 does not protrude or recess relative to the surface of the sealing seat 60 .

Referring further to Figures 3 to 5, the tubular element 11 is contained and equipped with an atomization assembly, and the tubular element 11 is provided with a number of liquid conduction holes 111 arranged at intervals along the circumference for the liquid storage chamber 12 to enter; Therefore, the atomization component is in fluid communication with the liquid storage chamber 12 through the liquid conduction hole 111 to receive the liquid matrix.

Referring further to Figures 3 to 5, the atomization assembly includes:

The liquid-conducting element 30 is flexible in this embodiment; for example, it is made of flexible fibers such as cotton fibers, non-woven fabrics, sponges, etc.; the liquid-conducting element 30 is configured to be arranged along the longitudinal direction of the main housing 10 annular; the liquid-conducting element 30 is coaxial with the tubular element 11 and is located within the tubular element 11.

In implementation, the outer surface of the liquid-conducting element 30 along the radial direction blocks or communicates with the liquid-conducting hole 111 , and the outer surface of the liquid-conducting element 30 is configured as a liquid-absorbing surface to receive and absorb liquid through the liquid-conducting hole 111 The liquid matrix of the liquid storage chamber 12. The inner surface of the liquid-conducting element 30 along the radial direction is configured as an atomizing surface, and the atomizing surface is combined/fitted/abutted with the heating element 40; then, after the liquid matrix is transferred to the atomizing surface, the heated element 40 Heated atomization generates aerosol and releases it. The liquid conducting element 30 extends along the axial direction of the heating element 40 and surrounds the heating element 40 for conducting the liquid matrix in the liquid storage chamber 12 to the heating element 40 .

Referring further to FIGS. 3 to 6 , in this embodiment the heating element 40 is configured to extend along the longitudinal direction of the main housing 10 / liquid-conducting element 30 ; the heating element 40 is coaxially arranged with the liquid-conducting element 30 . In some alternative implementations, the heating element 40 is a resistive heating mesh, a resistive heating coil, or the like. In this embodiment, the heating element 40 is a heating element wound by a sheet-like or mesh-like base material, that is, the heating element 40 is wound by a sheet material; the wound heating element 40 is non-circular in the circumferential direction. closed tube shape, but a cylindrical shape with side openings 45 in the longitudinal direction. The heating element 40 has electrode portions 41 located on both sides of the side opening 45 , a mesh-shaped resistance heating portion 42 extending between the electrode portions 41 , and conductive leads 43 connected to the electrode portions 41 . Of course, the number of the electrode portion 41 and the conductive lead 43 is two, one of which serves as the positive terminal and the other as the negative terminal.

The resistance heating portion 42 has a mesh shape having mesh holes; and the electrode portion 41 has no mesh holes.

Referring further to FIGS. 3 to 7 , the heating element 40 is wound or fixed on the bracket 50 . Correspondingly, the sealing seat 60 is also provided with a bracket hole 61 that penetrates the sealing seat 60 in the longitudinal direction, and the bracket 50 is accommodated or installed in the bracket hole 61 . Of course, in conventional implementation, the inner diameter of the stent hole 61 is not constant. Specifically, the inner diameter of the stent hole 61 near the distal end 120 is smaller than the inner diameter of the part away from the distal end 120, so that there is a resisting step in the stent hole 61; After assembly, the bracket 50 extends from the side close to the liquid storage chamber 12 into the bracket hole 61 and then abuts against the step to form a stop.

And further according to FIGS. 3 to 10 , the shape or structure of the bracket 50 includes:

The support portion 51 , the support portion 52 , the support portion 53 , the support portion 54 and the support portion 55 are sequentially arranged along the axial direction; wherein the support portion 51 , the support portion 53 , the support portion 54 and the support portion 55 are all configured in an annular shape. , and they are coaxially arranged; and the support part 51 and the support part 53 have the same outer diameter and/or inner diameter; and the outer diameter of the support part 54 is larger than the support part 53 , and the outer diameter of the support part 55 is larger than the support part 54 .

Since the outer diameter of the supporting part 54 is larger than the supporting part 53 , after assembly, the end surface of the heating element 40 abuts the end surface of the supporting part 54 , and the supporting part 54 provides a stop to the heating element 40 . The supporting part 51, the supporting part 52 and the supporting part 53 may be the first part, and the supporting part 54 and the supporting part 55 can be the second part, then it can be understood that the bracket 50 includes a first part surrounded by the heating element 40 and a second part exposed outside the heating element 40 , and the first part is configured to provide support to the heating element 40 from the inside of the heating element 40 , the second portion abuts the heating element 40 to provide a stop.

Since the heating element 40 surrounds the first portion, the heating element is wrapped with the sheet material around the first portion of the bracket 50 , that is, the heating element 40 is wrapped with the sheet material around at least part of the bracket 50 .

The support portion 52 is an elongated shape extending along the axial direction of the bracket 50 rather than an annular shape, and is used to connect the support portion 51 and the support portion 53 in addition to providing support.

In some implementations, the bracket 50 is made of an electrically insulating rigid material; such as ceramic, PEEK, polytetrafluoroethylene, surface insulating metal or alloy, etc.

And further referring to FIG. 6 , the resistance heating part 42 of the heating element 40 has a heating part 421 located in the central part along the axial direction. The heating part 421 is mainly generated by Joule heat when DC flows through; and DC is basically the main flow. through the heating part 421; and the heating part 421 is configured to have a mesh shape.

And, the resistance heating part 42 also includes a first tooth part or wing part 422 extending from the heating part 421 along the axial direction toward the upper end; The upper and lower ends of the two tooth portions or wing portions 423 are respectively the first end and the second end of the heating element 40 . The first teeth or wings 422 terminate at the upper end of the heating element 40 and are multiple in number and discrete from each other; the second teeth or wings 423 terminate at the lower end of the heating element 40 and are multiple in number and discrete from each other. of. When power is supplied, less current flows through the first tooth portion or wing portion 422 and the second tooth portion or wing portion 423 , and the first tooth portion or wing portion 422 and the second tooth portion or wing portion 423 are substantially less The ground is heated by Joules, so that the heating area of the resistance heating part 42 is mainly located at the heating part 421.

Correspondingly, during assembly, the first tooth portion or wing portion 422 surrounds and is combined with the support portion 51 of the bracket 50 , and the second tooth portion or wing portion 423 surrounds and is combined with the support portion 53 of the bracket 50 . After assembly, the first tooth portion or wing portion 422 is configured to be coupled to the first coupling portion of the bracket 50 , and the second tooth portion or wing portion 423 is configured to be coupled to the second coupling portion of the bracket 50 . It can be understood that the first coupling portion and the second coupling portion are located at the first end and the second end of the heating element 40 respectively. After assembly, the support portion 51 and the support portion 53 of the bracket 50 are respectively supported from the inside at both ends of the heating element 40, so that the main heating portion 421 of the heating element 40 is exposed to the air channel. That is, at least part of the bracket 50 is surrounded by the heating element 40 so as to be positioned inside the heating element 40 , and at least part of the bracket 50 is configured to provide support to the heating element 40 from the inside of the heating element 40 . After assembly, the bracket 50 basically avoids the main The thermal portion 421 is advantageous for preventing a large amount of heat from the heating element 40 from being transferred to the bracket 50 .

Or in some alternative implementations, the heating element 40 is in a tubular shape and has an annular first coupling portion at the upper end in the axial direction for surrounding and coupling to the support portion 51 of the bracket 50; the heating element 40 is in the axial direction. The lower end has an annular second connecting part for surrounding and connecting to the support part 53 of the bracket 50; the heating element 40 also has a heating part extending between the first connecting part and the second connecting part, and the heating part is mainly Used for resistor heating. The support part 51 is the first support part, and the support part 53 is the second support part. From the above content, the support part 51 and the support part 53 are both annular; since the first joint part is used to surround and be combined with the support part 51, the second The two joint parts are used to surround and be combined with the support part 53, and the heating element 40 also has a heating part extending between the first joint part and the second joint part, so it can be understood that the first support part is arranged close to the heating part. The heating element 40 is supported from the inside at a first end of the element 40 and the second support portion is arranged to support the heating element 40 from the inside near a second end of the heating element 40 . Similarly, the heating part may be of a spiral wire structure or a mesh shape; after assembly, the bracket 50 avoids the heating part, and the heating part is exposed in the hollow of the bracket 50, so that the heating part is exposed to the air flow channel .

During the support and assembly process of the heating element 40, the liquid conducting element 30, and the tubular element 11 by the bracket 50, it includes:

S10, wind the unwound/flatly unfolded heating element 40 on the support part 51, the support part 52 and the support part 53, as shown in Figure 7; of course, after winding, the extension length of the heating element 40 Extends from the supporting part 51 to the supporting part 53 . After winding, the support portion 51 provides support to the heating element 40 from the inside at the upper end of the heating element 40; the support portion 53 provides support to the heating element 40 from the inside at the lower end of the heating element 40. And, after being rolled, the electrode part 41 of the heating element 40 is against the supporting part 42; and after being rolled, the supporting part 42 extends into the side opening 45 between the electrode parts 41, and the supporting part 42 is the third The support portion, the third support portion is located at least partially within the side opening of the heating element 40 to provide support for the heating element 40 . And after assembly, the lower end of the heating element 40 is against the support portion 44 .

And as shown in Figures 7 and 6, the surface of the support part 51 is provided with a lead groove 56, and the surface of the support part 53 is provided with a lead groove 57; the lead groove 56 and the lead groove 57 extend along the axial direction of the bracket 50 and are close to The support part 52; and the bracket 50 also has a lead hole 58 that penetrates the support part 54 and the support part 55; after assembly, the conductive lead 43 of the heating element 40 is held in the lead groove 56, the lead groove 57, and penetrates the lead hole 58 Then it extends to the outside of the supporting part 55 .

S20, in Figure 7, the heating element 60 is further wrapped, rolled, or sleeved with the liquid-conducting element 30, as shown in Figure 8; the liquid-conducting element 30 can be a closed ring-shaped flexible fiber, or it can be rolled by a flexible fiber strip. around; the lower end of the liquid-conducting element 30 is against the support portion 44.

S30, further install lead fasteners 70 at the lower end of the bracket 50 in Figure 8 to fasten or abut the conductive leads 43 against the inner wall of the support part 45, thereby preventing them from being bent, entangled, or contacted to cause short circuits, etc. question. And as shown in FIG. 9 , the wire hole 58 is at least partially formed on the inner surface of the supporting part 55 .

S40, the tubular element 11 is further placed outside the liquid-conducting element 30 in Figure 9, that is, the assembly state of Figure 10 is formed. And as shown in Figure 10, the lower end of the tubular element 11 is surrounded and sleeved on the support part 54, and is supported and stopped against the support part 55, that is, the tubular element 11 is stopped against the bracket 50. . At the same time, the bracket 50 also has a positioning protrusion 541 extending from the support part 55 toward the support part 54, which can also be called a positioning protrusion. The lower end of the tubular element 11 is provided with a positioning notch 112, which can also be called a first notch or a concave. Slot or hole; during assembly, the positioning protrusion 541 and the positioning notch 112 cooperate to provide positioning during assembly. And after assembly, the positioning protrusion 541 and the positioning notch 112 cooperate to prevent the rotation or rotation of the tubular element 11 relative to the bracket 50, that is, the bracket 50 is provided with a positioning protrusion that extends into the first notch or groove or hole. , to prevent the tubular element 11 from rotating relative to the bracket 50 .

Or in some alternative implementations, the positioning notches 112 may be positioning grooves, positioning holes, or similar structures that provide positioning and prevent rotation.

And further referring to Figure 10, in the assembled module, the liquid conduction hole 111 of the tubular element 11 in the radial direction is opposite to the resistance heating part 42 of the heating element 40; so that the liquid conduction element 30 and the liquid conduction hole 111 The opposite portion has stronger support strength for the resistance heating portion 42 of the heating element 40 to achieve the purpose of better controlling liquid transfer.

Furthermore, in Figure 10, the tubular element 11, the atomizer assembly, the bracket 50, and the lead fastener 70 are assembled to form a module, which is beneficial to the modular production and assembly of the atomizer 100. Then, the assembly module in Figure 10 is inserted into the bracket hole 61 of the sealing seat 60 and fixed. Furthermore, after the module of FIG. 10 is assembled with the sealing seat 60, the conductive lead 43 passes through the bracket hole 61 to the outside of the sealing seat 60, and is bent into the contact hole 62 to contact the second electrical contact 21 or Welding creates electrical conduction.

And further according to the preferred implementation shown in Figure 10, the liquid-conducting element 30 made of flexible fiber or sponge is extruded or compressed from both inside and outside by the tubular element 11 and the heating element 40/stent 50, thereby causing the conductive element 30 to The liquid element 30 is stably confined and held between the tubular element 11 and the heating element 40/holder 50 between. That is, the liquid-conducting element 30 is radially extruded or compressed between the tubular element 11 and the heating element 40. Here, the liquid-conducting element 30 can be entirely extruded or compressed, or a part of it can be extruded or compressed. Only the liquid-conducting element is required. It suffices that 30 is stably constrained and held between the tubular element 11 and the heating element 40/support 50. At the same time, since the tubular element 11 presses the liquid-conducting element 30 inwardly, it can be understood that the tubular element 11 is configured to surround and retain the liquid-conducting element 30 .

Referring further to FIGS. 4 and 5 , after assembly, at least part of the lower end of the tubular element 11 is at least partially inserted into the bracket hole 61 along with the bracket 50 . In addition, the upper end of the tubular element 11 is also provided with a positioning notch 113 for the air supply pipe 13 to be inserted from the upper end of the tubular element 11 and cooperate with the positioning notch 113 to achieve positioning. And in the preferred implementation, the air tube 13 is inserted into the tubular element 11 by riveting or tight fitting, and then they are tightly combined, so that they are sealed; in order to prevent the liquid matrix from passing between them Interleakage is beneficial.

During the suction process after assembly, as shown by arrow R2 in Figure 5 , the air entering through the air inlet 23 of the end cover 20 enters the hollow of the bracket 50 through the bracket hole 61 of the sealing seat 60 and passes through The aerosol released by the atomizing surface carried behind the stent 50 is output from the tubular element 11 and the trachea to the suction port A and is sucked. . Wherein, the hollow is an air flow channel. The air flow path or air flow channel during the suction process passes through the bracket 50 . Of course, the air flow path or air flow channel also passes through the tubular or annular or rolled cylindrical liquid guide element 30 . And, the air flow path or air flow channel is through the tubular or ring-shaped or rolled cylindrical heating element 40, that is, the air inlet 23, the air suction port A and the air flow channel are arranged to define a flow path from the air inlet 23 through the heating element. 40 Airflow path to suction port A.

Further, Figure 11 shows a schematic diagram of a bracket 50a for support and assembly in yet another embodiment. In this modified embodiment, the structure of the bracket 50a includes:

The support part 51a, the support part 52a, the support part 53a and the support part 54a are arranged sequentially in the axial direction; wherein the support part 51a, the support part 53a and the support part 54a are all configured to be coaxially arranged in an annular shape; the support part The outer diameters of the support portion 51a and the support portion 53a are the same; the outer diameter of the support portion 54a is larger than that of the support portion 53a. The support portion 52a is an elongated shape extending between the support portion 51a and the support portion 53a.

During assembly, the heating element 40 is coupled to the supporting portion 51a, the supporting portion 52a and the supporting portion 53a by being sleeved, wound, rolled or wrapped. See Figure 12 for the rolled state. The support portion 51a provides support to the heating element 40 from the inside at the upper end of the heating element 40; the support portion 53a provides support to the heating element 40 from the inside at the lower end of the heating element 40; support. Section 52a It is used for the electrode part 41 and the conductive lead 43 of the heating element 40 to abut and be fixed.

And the surface of the support part 51a is also provided with a lead groove 56a, the surface of the support part 53a is also provided with a lead groove 57a, and the surface of the support part 54a is also provided with a lead groove 58a; after assembly, the conductive leads 43 are accommodated and passed through the lead grooves 56a in turn. , the lead groove 57a and the lead groove 58a are thereby fixed.

Similarly, in Figure 12, after the heating element 40 is assembled on the bracket 50a, the liquid-conducting element 30 and the tubular element 11 are further wrapped, sleeved, or wound, and then the module can be assembled. The liquid-conducting element 30 surrounds and wraps the heating element 40 and abuts against the supporting portion 54a. Similarly, the surface of the support portion 54a is provided with positioning protrusions 541a for the lower end of the tubular element 11 to abut and position during assembly.

Further Figure 13 shows a schematic diagram of yet another embodiment of the bracket 50b and the lead fastener 70b; in this variant implementation, the bracket 50b includes:

The support part 51b, the support part 52b and the support part 53b are arranged sequentially along the axial direction; the support part 51b and the support part 53b are coaxially positioned annular shapes, and they have the same outer diameter. The support portion 52b is an elongated shape extending between the support portion 51b and the support portion 53b.

During assembly, the heating element 40 is directly wrapped or rolled or sleeved on the bracket 50a; specifically, as shown in Figure 14 after assembly, the support portion 51b provides support from the inside at the upper end of the heating element 40; the support portion 53b is at The heating element 40 is supported from the inside at its lower end; the electrode portion 41 and the conductive lead 43 of the heating element 40 bear against the support portion 52b.

A lead groove 56a extending from the upper end to the lower end is provided on the surface of the bracket 50b for receiving and assembling the conductive leads 43.

As further shown in FIGS. 13 and 15 , the lead fastener 70b is annular in shape, and the inner diameter is larger than the outer diameter of the support portion 53b, so that the lead fastener 70b can surround or be sleeved outside the support portion 53b. The surface of the supporting part 53b is provided with positioning protrusions 531b extending radially outward, and the lead fastener 70b is provided with positioning notches 71b. After assembly, the positioning protrusion 531b extends from the inside of the positioning notch 71b to the outside of the positioning notch 71b in the radial direction, as shown in FIG. 15 . And after assembly, the lead fasteners 70b restrict and fix the conductive leads 43 accommodated and held in the lead grooves 56a on the surface of the bracket 50b from the outside to prevent the conductive leads 43 from protruding from the lead grooves 56a.

And after the assembly in FIG. 15 , in FIGS. 16 and 17 , the liquid-conducting element 30 and the tubular element 11 are further placed around the heating element 40 . During assembly, the positioning notch 112 at the lower end of the tubular element 11 cooperates with the portion of the positioning protrusion 531b of the support portion 53b that protrudes outside the lead fastener 70b to achieve abutment and positioning. After assembly, the module shown in Figure 17 is formed, and then The whole body is inserted into the bracket hole 61 of the sealing seat 60 to complete the assembly with the sealing seat 60 .

Further in another preferred implementation, as shown in FIGS. 18 and 19 , the end cap 20 is also provided with an extension arm 24 extending longitudinally; the extension arm 24 is protruding relative to other parts of the end cap 20 . The extension arm 24 is substantially in an elongated cylindrical shape, and has a length of about 3 to 8 mm and an outer diameter of about 1 to 3 mm. The surface of the extension arm 24 is provided with an air groove 241 extending in the axial direction. The air groove 241 has a width of about 0.3 to 1 mm and a depth of about 0.2 to 0.5 mm.

Correspondingly, the sealing seat 60 is provided with a through hole 63 that penetrates or extends to the upper end surface, which is the first surface that seals or covers the opening of the liquid storage chamber 12; after assembly, the extension arm 24 is inserted or extended into the through hole. 63, and is defined between the air groove 241 and the inner surface of the through hole 63 to form an air channel for external air to enter the liquid storage chamber 12. It is used for when the negative pressure in the liquid storage chamber 12 exceeds the threshold value, the external air entering through the air inlet 23 can enter the liquid storage chamber 12 along the air channel defined by the air groove 241 as shown by arrow R4 in FIG. 19 to relieve the negative pressure in the liquid storage chamber 12.

In some alternative implementations, the air groove 241 is formed on the inner wall surface of the through hole 63 ; accordingly, an air channel is defined between the air groove 241 on the inner wall surface of the through hole 63 and the extension arm 24 .

It should be noted that the preferred embodiments of the present application are given in the description and drawings of the present application, but are not limited to the embodiments described in the present description. Furthermore, those of ordinary skill in the art can Improvements or changes may be made based on the above description, and all these improvements and changes shall fall within the protection scope of the appended claims of this application.

Claims

An atomizer, characterized in that it includes:

Liquid storage chamber for storing liquid matrix;

a heating element configured in a cylindrical shape extending along the longitudinal direction of the atomizer for heating a liquid substrate to generate an aerosol; and

A bracket, at least part of which is surrounded by the heating element so as to be positioned inside the heating element, and at least part of which is configured to provide support to the heating element from inside the heating element.
The atomizer of claim 1, wherein the heating element is made of a sheet rolled around at least part of the bracket.
The atomizer according to claim 1 or 2, further comprising:

suction port;

an air inlet, and an air flow channel located between the air inlet and the air suction port; the air inlet, the air suction port, and the air flow channel are arranged to define from the air inlet via the heating element to The airflow path of the inhalation port to deliver aerosol to the inhalation port;

The air flow channel passes through the bracket at least partially along the longitudinal direction of the atomizer.
The atomizer according to claim 1 or 2, wherein the bracket includes a first part surrounded by the heating element and a second part exposed outside the heating element; wherein the first part is configured as The heating element is supported from inside the heating element and the second portion abuts the heating element to provide a stop.
The atomizer according to claim 1 or 2, further comprising:

A liquid conducting element extends along the axial direction of the heating element and surrounds the heating element, and is used to conduct the liquid matrix in the liquid storage chamber to the heating element.
The atomizer of claim 5, further comprising:

A tubular element extends along the longitudinal direction of the atomizer and at least partially defines the liquid storage chamber, the tubular element is configured to surround and retain the liquid-conducting element and is stopped against the bracket. move.
The atomizer of claim 6, wherein the liquid-conducting element is flexible, and at least a portion of the liquid-conducting element is radially squeezed or compressed between the tubular element and the heating element.
The atomizer according to claim 6, wherein the tubular element is provided with a first notch or a groove or a hole;

The bracket is provided with a positioning protrusion that extends into the first notch, groove or hole to prevent the tubular element from rotating relative to the bracket.
The atomizer of claim 1 or 2, wherein the heating element includes a first end and a second end that are away from each other in the axial direction;

The bracket includes a first support portion and a second support portion spaced apart in a longitudinal direction; the first support portion is annular in shape and is arranged to support the heating element from the inside near the first end thereof. The heating element provides support;

The second support portion is annular in shape and is arranged to provide support to the heating element from the inside near the second end of the heating element.
The atomizer of claim 1 or 2, wherein the heating element defines a side opening extending in the axial direction, so that the heating element is not closed in the circumferential direction.
The atomizer of claim 10, wherein the bracket further includes a third support portion extending in the longitudinal direction; the third support portion is at least partially located within the side opening of the heating element to provide support for the heating element. The heating element provides support.
The atomizer of claim 1 or 2, wherein the heating element includes a conductive lead for supplying power to the heating element;

The inner surface or the outer surface of the bracket is provided with a lead groove, and the conductive lead is at least partially accommodated and retained in the lead groove.
The atomizer of claim 12, further comprising:

A lead fastener, at least part of the lead fastener blocks or covers the conductive lead contained in the lead slot to prevent the conductive lead from leaving the lead slot.
The atomizer of claim 13, wherein the wire fastener is configured generally in an annular shape.
The atomizer according to claim 1 or 2, characterized in that the liquid storage chamber has an open opening; the atomizer further includes:

A flexible sealing seat is configured to cover the opening to seal the liquid storage chamber, and the sealing seat accommodates and retains at least a portion of the bracket.
The atomizer of claim 15, further comprising:

End supports used to support the sealing seat;

The sealing seat has a first surface that seals or covers the opening, and the sealing seat also has an extending surface. a through hole extending to the first surface;

The end support has an extension arm extending at least partially within the through hole, and an air channel is defined between the extension arm and the through hole to provide a path for air to enter the liquid storage chamber.
The atomizer of claim 16, wherein the air channel includes an air groove formed on the outer surface of the extension arm and/or the inner surface of the through hole.
The atomizer of claim 1 or 2, wherein the heating element includes a first end and a second end that are away from each other along the axial direction; the heating element further includes:

a heating part configured to generate Joule heat;

A first tooth portion or wing portion extends from the heating portion toward the first end and terminates at the first end;

A second tooth portion or wing portion extends from the heating portion toward the second end and terminates at the second end;

The bracket is arranged to provide support for the first tooth or wing and/or the second tooth or wing and to avoid the heat generating portion.
The atomizer of claim 3, wherein the heating element includes a first end and a second end that are away from each other along the axial direction; the heating element further includes:

The first coupling part coupled to the bracket is located at the first end;

a second coupling portion coupled to the bracket, located at the second end;

The heat-generating part is located between the first combining part and the second combining part along the axial direction and is configured to generate Joule heat; the heat-generating part avoids the bracket and is exposed to the air flow channel.
An atomizer, characterized in that it includes:

a tubular element configured to extend longitudinally of the atomizer;

a liquid storage chamber, at least partially defined by the tubular element, and used to store a liquid matrix; the liquid storage chamber has an opening;

a heating element located within the tubular element for heating the liquid matrix to generate an aerosol;

a flexible sealing seat configured to cover the opening to seal the liquid storage chamber, the sealing seat receiving and surrounding at least a portion of the tubular element; and

An end support member used to support the sealing seat, the sealing seat has a first surface that seals or covers the opening, and the sealing seat also has a through hole extending to the first surface;

The end support has an extension arm extending at least partially within the through hole; an air channel is defined between the extension arm and the through hole to provide a path for air to enter the liquid storage chamber.
An electronic atomization device, including an atomizer for atomizing a liquid matrix to generate an aerosol, and a power supply device for powering the atomizer; characterized in that the atomizer includes any one of claims 1 to 20 The atomizer described in one item.