WO2023070978A1

WO2023070978A1 - Atomizer

Info

Publication number: WO2023070978A1
Application number: PCT/CN2022/074054
Authority: WO
Inventors: 张青; 张海波; 别海涛; 翟公高
Original assignee: 深圳市卓力能技术有限公司
Priority date: 2021-10-29
Filing date: 2022-01-26
Publication date: 2023-05-04

Abstract

An atomizer, comprising an e-liquid catridge (10) and an atomization assembly, wherein the atomization assembly is mounted in one end of the e-liquid catridge (10) and forms an e-liquid storage cavity (13) with the e-liquid catridge; the atomization assembly comprises a bottom assembly, a support (20) mounted at the top end of the bottom assembly, and a heating assembly (30); the heating assembly (30) is clamped and positioned between the support (20) and the bottom assembly; the support (20) is mounted in the e-liquid catridge (10) and is in sealed connection with an inner wall of the e-liquid catridge (10); the support (20) is provided with two e-liquid input channels (22) for supplying atomizing e-liquid in the e-liquid storage cavity (13) to the heating assembly (30); the side of the support (20) that is connected to the heating assembly (30) is further provided with a communication groove (25) in communication with the two e-liquid input channels (22); and a top face of the communication groove (25) gradually tilts and extends downwards in the direction close to the center of the communication groove (25). In the atomizer, the communication groove (25) is beneficial for enabling the atomizing e-liquid in the two e-liquid input channels (23) to be rapidly transferred in the direction of the center of the heating assembly (30), such that by means of the effect of the communication groove (25), the phenomenon of dry burning in the center area of the heating assembly (30) due to slow oil guiding can be avoided.

Description

a nebulizer

This application requires submission to the Chinese Patent Office on October 29, 2021, with the application number 202111275450.8, and the Chinese patent application with the title of the invention "A Nebulizer", and submitted to the Chinese Patent Office on October 29, 2021, with the application number It is the priority of the Chinese patent application 202122635762.7, the title of the invention is "A Nebulizer", the entire content of which is incorporated in this application by reference.

technical field

The present application relates to the technical field of electronic atomization, in particular to an atomizer.

Background technique

The overall cross-section of some existing atomizers is elliptical, so the heating area of the heating element used is roughly rectangular, and the corresponding oil guide body is also rectangular, and has two heating channels respectively connected to the two ends of the oil guide body in the length direction. The connected liquid inlet channel leads to a slow oil conduction speed in the central area of the oil guide body of the atomizer. For conventional heating elements, the central part generates the most heat when it heats up, and the consumption of the central area of the oil guide body The volume is the fastest, and it is easy to cause dry burning due to poor oil conduction and insufficient oil supply.

application content

The object of the present invention is to solve the deficiencies in the prior art at least to a certain extent, and to provide an atomizer.

To achieve the above object, the present invention provides an atomizer, which includes an oil cup and an atomization assembly, the atomization assembly is installed in one end of the oil cup and forms a liquid storage chamber with the oil cup, so The atomization assembly includes a bottom assembly, a bracket mounted on the top of the bottom assembly, and a heating assembly, the heating assembly is clamped and positioned between the bracket and the bottom assembly; the bracket is installed in the oil cup And it is sealingly connected with the inner wall of the oil cup, and the bracket is provided with two liquid inlet channels for providing the atomized liquid in the liquid storage chamber to the heating component, and the bracket is connected with the heating element The connecting side of the components is also provided with a communication groove connecting the two inlet passages, and the top surface of the communication groove is gradually extended downward along the direction close to the center of the communication groove.

Optionally, the bracket includes a top wall and a side wall protruding downward along the periphery of the top wall, the side wall is sleeved on the upper end of the bottom assembly, and the two liquid inlet channels penetrate up and down Opened in the top wall, the top surface of the heating element abuts against the bottom surface of the top wall.

Optionally, a first air return groove is provided on the inner side of the side wall, and a second air return groove connected to the first air return groove is provided on the bottom surface of the top wall, and the second air return groove is far away from the One end of the first air return groove extends to the liquid inlet channel; the first air return groove and the second air return groove jointly form an air return channel, and one end of the air return channel communicates with the atomization chamber, The other end communicates with the liquid inlet channel.

Optionally, an installation position is formed in the middle of the top surface of the top wall, and the installation position is connected to the air guide pipe provided in the oil cup, and the bottom of the installation position is provided with an air cavity, and the side wall is opened with a The through grooves on the inner and outer surfaces, the upper end of the through groove extends to communicate with the air passage cavity, and the lower end extends beyond the bottom end of the side wall.

Optionally, the bottom component includes a base and two electrodes inserted into the base, and the two electrodes are respectively electrically connected to the heating component; The atomization chamber corresponds to the atomization part, and the atomization chamber communicates with the lower end of the through groove.

Optionally, the heating component includes an oil guiding body and a heating element stacked up and down, the top surface of the oil guiding body abuts against the bottom surface of the top wall, and covers the two liquid inlet channels and the heating element. Connection slot.

Optionally, the heating element includes two fixing parts and an atomizing part connected in series between the two fixing parts, and the top ends of the two electrodes abut against the two fixing parts respectively.

Optionally, the atomization part is grid-shaped, stripe-shaped, S-shaped, zigzag-shaped, wave-shaped, zigzag-shaped, spiral-shaped, circular or rectangular.

Optionally, the resistance value of the atomizing part is greater than the resistance value of the fixing part.

Optionally, the heating assembly further includes a support body stacked on the top of the base, the heating body is clamped and positioned between the support body and the oil guide body; the two ends of the support body The second mounting holes are respectively provided, and the support body is provided with an escape hole corresponding to the atomization part, and the escape hole communicates with the atomization chamber at the top of the base; the top ends of the two electrodes The two fixing parts pass through the two installation holes and abut against the two fixing parts.

Optionally, the support body is a dense ceramic piece, a silicone piece, a metal piece with a non-conductive outer surface, or a conductive piece with an insulating layer on the top surface.

The atomizer of the present invention is provided with a communication groove connecting the two liquid inlet channels on the side where the support and the heating component meet, which is conducive to the rapid conduction of the atomized liquid in the two liquid inlet channels to the center of the heating component, thereby Through the function of the communication groove, the phenomenon of dry burning in the central area of the heating component caused by slow oil conduction can be avoided.

It is to be understood that both the foregoing general description and the following detailed description are exemplary only and are not restrictive of the application.

Description of drawings

Fig. 1 is a schematic cross-sectional view of an embodiment of an atomizer of the present invention;

2 is a schematic cross-sectional view of an embodiment of the atomization assembly of the present invention;

Fig. 3 is a schematic structural view of a base, a support body, and a heating element in an embodiment of the present invention;

Fig. 4 is a schematic cross-sectional view of a base, a support body, and a heating element in an embodiment of the present invention;

Fig. 5 is a perspective view of the bracket of the present invention viewed from the bottom.

Reference signs:

10. Oil cup; 11. Suction port; 12. Air guide tube; 13. Liquid storage cavity;

20. Bracket; 21. Seal; 211. Socket; 22. Liquid inlet channel; 23. Top wall; 24. Side wall; 25. Connecting groove; Groove; 29, air return channel; 291, first air return slot; 292, second air return slot;

30. Heating component; 31. Oil guiding body; 32. Heating body; 321. Fixed part; 322. Atomization part; 323. Fixing bar; 33. Support body;

41. Base; 411. Installation channel; 412. Atomization chamber; 413. Air intake pipe; 4131. Air intake hole; 414. Air intake channel; 42. Electrode.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description serve to explain the principles of the application.

Detailed ways

In order to better understand the technical solutions of the present application, the embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

Terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of this application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise.

It should be understood that the term "and/or" used herein is only an association relationship describing associated objects, which means that there may be three relationships, for example, A and/or B, which may mean that A exists alone, and A and B exist simultaneously. B, there are three situations of B alone. In addition, the character "/" in this article generally indicates that the contextual objects are an "or" relationship.

It should be noted that the orientation words such as "up", "down", "left", and "right" described in the embodiments of the present application are described from the angles shown in the drawings, and should not be interpreted as limiting the implementation of the present application. Example limitations. Furthermore, in this context, it also needs to be understood that when it is mentioned that an element is connected "on" or "under" another element, it can not only be directly connected "on" or "under" another element, but can also To be indirectly connected "on" or "under" another element through an intervening element.

In a specific embodiment, the present application will be further described in detail below through a specific embodiment and in conjunction with the accompanying drawings.

Please refer to FIG. 1 , the lower end of the oil cup 10 is open, and the upper end is provided with an air suction port 11 for users to suck. The inner wall of the upper end of the oil cup 10 provided with the suction port 11 is formed with an air guide tube 12 extending into the inside of the oil cup 10 along the periphery of the suction port 11 , and the inside of the air guide tube 12 communicates with the suction port 11 . A liquid storage cavity 13 is formed between the air guide tube 12 and the inner wall of the oil cup 10 to store the atomized liquid. In this embodiment, the air duct 12 and the oil cup 10 are integrally formed as a whole.

As shown in Figures 2 to 5, the atomization assembly includes a bottom assembly, a bracket 20 and a heating assembly 30, the bracket 20 is installed in the opening end of the oil cup 10, and is sealed with the inner wall of the oil cup 10 through a seal 21, and the bottom assembly It includes a base 41 installed in the opening of the lower end of the oil cup 10, and two electrodes 42 inserted into the base 41 from bottom to top to supply power to the heating component 30. The lower end of the bracket 20 is sleeved on the upper end of the base 41, so that the heating component 30 The clip is positioned between the base 41 and the bracket 20 , and the bracket 20 defines a liquid inlet channel 22 for supplying the atomized liquid in the liquid storage chamber 13 to the heating component 30 .

As shown in FIG. 5 , the lower end of the bracket 20 is fitted to the top of the base 41 to clamp and fix the heating component 30 between the bracket 20 and the base 41 . Specifically, the bracket 20 includes a top wall 23 and a side wall 24 protruding downwards along the periphery of the top wall 23. The side wall 24 is sleeved on the upper end of the base 41, and the liquid inlet channel 22 is opened in the top wall 23 up and down. The top surface of the oil guiding body 31 abuts against the bottom surface of the top wall 23 . In practical application, the side wall 24 is fixed on the base 41 by screwing, inserting or buckling connection. In this embodiment, the buckling connection is preferably used, so that the heating component 30 is clamped and fixed on the bottom surface of the top wall 23 and the bottom surface of the top wall 23. Between the top surfaces of the base 41 , the oil guiding body 31 is closely attached to the bottom surface of the top wall 23 to cover the lower end of the liquid inlet channel 22 to avoid oil leakage. In addition, such a structure makes the atomization assembly of this embodiment assembled, the heating assembly 30 and the bracket 20 can be stacked and installed on the top of the base 41 in sequence to form a fixed whole, and then the whole atomization assembly is assembled to the oil cup 10 The opening at the lower end makes the assembly more convenient and quick, and improves the production efficiency.

Specifically, the number of liquid inlet passages 22 set on the bracket 20 is two, and the bottom surface of the top wall 23 is recessed to form a communication groove 25 communicating between the two liquid inlet passages 22, and the top surface of the communication groove 25 is connected to The central direction of the groove 25 is gradually extended downwards. Such a structure can facilitate rapid conduction of the atomized liquid toward the center of the heating component 30 , thereby avoiding dry burning in the central area of the heating component 30 due to slow oil conduction through the function of the communication groove 25 .

Wherein, the two ends of the base 41 are respectively provided with installation passages 411 that run through its top and bottom ends, and the two electrodes 42 are respectively inserted into the two installation passages 411 from bottom to top for fixed installation, and the tops of the two electrodes 42 and the heat generating The assembly 30 is electrically connected, and the two electrodes 42 are respectively used for electrical connection with the positive and negative poles of the power supply, and the bottom ends of the two electrodes 42 are flush with or protrude from the bottom surface of the base 41, so that the atomizer The bottom ends of the two electrodes 42 are electrically connected to the conductive contacts on the battery rod.

In one embodiment, the heating assembly 30 includes an oil guiding body 31 and a heating body 32 stacked up and down on the top of the base 41, the oil guiding body 31 and the heating body 32 are installed on the top of the base 41, and the oil guiding body 31 is close to the bracket 20, so as to connect with the liquid inlet channel 22; the oil guide body 31 is a sheet made of oil-absorbing cotton, so the oil guide body 31 contains a large number of microporous structures and has a certain porosity, which can store The atomized liquid in the liquid chamber 13 is sucked and transported to the bottom surface in contact with the heating element 32, so that the heating element 32 heats and atomizes the contacted atomized liquid.

The top of the base 41 is provided with an atomizing chamber 412 corresponding to the atomizing part 322 of the heating element 32. Specifically, the top of the base 41 is recessed to form a space, which forms mist between the base 41 and the oil guide body 31. The atomizing chamber 412 and the heating element 32 are preferably located on the side of the oil guiding body 31 facing the atomizing chamber 412 , so that the tops of the two electrodes 42 can be electrically connected to both ends of the heating element 32 conveniently.

It should be noted that the atomization chamber 412 communicates with the air duct 12 of the oil cup 10 and the air intake passage 414 at the bottom of the base 41 respectively. The internally absorbed atomized liquid is heated and atomized to produce an aerosol in the atomization chamber 412 that can be inhaled by the user, and at the same time, the air outside the atomizer enters the atomization chamber 412 through the air intake channel 414 , After being mixed with the generated aerosol, it is finally inhaled by the user through the airway 12 and the suction port 11.

Specifically, the bottom of the atomization chamber 412 protrudes toward the direction of the atomization chamber 412 with an air inlet pipe 413 extending therein, and an air inlet passage 414 communicating with the atomization chamber 412 is formed in the air inlet pipe 413; wherein, the air inlet pipe 413 and the base 41 are Integral molding structure, the air inlet pipe 413 is open at the lower end, and several air inlet holes 4131 are provided at the upper end, so that the air inlet channel 414 communicates with the atomization chamber 412; An annular collection tank (i.e. the bottom of the atomization chamber 412) is formed, so that the atomized liquid leaked from the heating element 30 and the condensate formed inside the atomizer can be stored through the annular collection tank, and the atomized liquid or the condensate formed inside the atomizer can be avoided. The condensate enters the atomizing chamber 412 and flows out from the air inlet channel 414 .

In one embodiment, the inner side of the side wall 24 is provided with a first air return groove 291, and the bottom surface of the top wall 23 is provided with a second air return groove 292 connected with the first air return groove 291, and the second air return groove 292 One end away from the first air return groove 291 extends to the liquid inlet channel 22; the first air return groove 291 and the second air return groove 292 jointly form the air return channel 29, and one end of the air return channel 29 communicates with the atomization chamber 412, and the other One end communicates with the liquid inlet channel 22 . When the user inhales, because the atomized liquid in the liquid storage chamber 13 is absorbed by the heating element 30 and heated and atomized, a negative pressure is formed inside the liquid storage chamber 13, and when the external air mixes with the aerosol, a part of the gas is released from the The air return passage 29 formed enters the liquid storage chamber 13 through the liquid inlet passage 22 to balance the air pressure in the liquid storage chamber 13 and avoid the situation of poor oil conduction.

Preferably, a mounting position 26 is formed in the middle of the top surface of the top wall 23, and the mounting position 26 is connected to the air guide pipe 12 provided in the oil cup 10. The bottom of the mounting position 26 is provided with an air cavity 27, and the side wall 24 is opened with a The through groove 28 on the surface, the lower end of the through groove 28 extends to communicate with the atomization chamber 412, and the upper end extends to communicate with the air passage chamber 27. It should be understood that the upper end of the base 41 corresponds to the opposite sides of the atomization chamber 412. The evacuation opening allows the atomization chamber 412 to communicate with the through groove 28 when the bracket 20 is sleeved on the base 41 . Among them, the number of through grooves 28 is preferably two, which are respectively opened on opposite sides of the side wall 24 and communicated with the air passage chamber 27 respectively. In this way, after the outside air enters the atomization chamber 412 and mixes with the aerosol, it passes through the The slot 28 enters the air chamber 27 and is then sucked by the user through the airway 12 .

It should be noted that the sealing member 21 is made of sealing materials such as silica gel and rubber, and the bottom surface of the top wall 23 protrudes to form a sleeve portion 211 extending into the installation position 26, and the lower end of the air guide tube 12 is inserted into the sleeve portion 211. In this process, the sleeve part 211 is used to achieve a sealed connection between the outside of the airway tube 12 and the inside of the installation position 26, so as to prevent the atomized liquid in the liquid storage chamber 13 from leaking into the air passage chamber 27; of course, the sleeve Portion 211 may also be a separate seal ring body separate from seal 21 .

In one embodiment, the heating element 32 is a sheet-shaped body, including two fixed parts 321 and an atomizing part 322 connected in series between the two fixed parts 321, and the top ends of the two electrodes 42 respectively abut against the two fixed parts. part 321 , so as to realize the electrical connection between the two electrodes 42 and the heating element 32 .

In order to improve the mounting strength of the heating element 32 and prevent the heating element 32 from being separated from the electrode 42 due to the vibration of the atomizer, a positioning hole matching the diameter of the top end of the electrode 42 can also be provided on the fixing part 321. The top end of 42 protrudes into the positioning hole to realize the electrical connection between the electrode 42 and the fixed part 321, and at the same time prevent the heating element 32 from being separated from the electrode 42 due to vibration, thereby ensuring the reliability of the atomizer.

Since the embodiment of the present invention has a communication groove 25 between the two liquid inlet passages 22 of the bracket 20, so that the atomized liquid can be quickly transmitted to the central area of the oil guide body 31, so the heating element 32 in the embodiment of the present invention The atomizing part 322 between the two fixing parts 321 can adopt the existing structure with relatively uniform heat generation in the whole plane, for example, the atomizing part 322 can adopt grid shape, stripe shape, S shape, zigzag shape, wave shape, zigzag shape , spiral, circular or rectangular, etc. In this embodiment, the atomizing part 322 adopts an S shape, and has a plurality of fixing bars 323 extending to both sides, and the ends of the fixing bars 323 away from the atomizing part 322 can be bent Clamping to the top of the base 41 improves the fixing strength of the heating element 32, and at the same time, the fixing strip 322 can also play a part of heat conduction, so that the heat generation of the atomizing part 322 can be more evenly distributed. Wherein, in this embodiment, the resistance value of the atomizing part 322 of the heating element 32 is greater than the resistance value of the fixing part 321 .

In one embodiment, the heating assembly 30 further includes a support body 33 stacked on the top of the base 41, the heating body 32 is clamped and positioned between the support body 33 and the oil guide body 31; the support body 33 is provided with an atomizing part 322 corresponds to the avoidance hole 331, and the avoidance hole 331 communicates with the atomization chamber 412 at the top of the base 41; the aerosol generated when the atomization part 322 of the heating element 32 is heated enters the atomization chamber 412 through the avoidance hole 331 In the process, the external air enters the atomization chamber 412 through the air intake channel 414 and mixes with the aerosol, then passes through the through groove 28, the air passage chamber 27 and the air duct 12 in sequence, and finally is output from the suction hole for inhalation by the user. In this embodiment, the end of the fixing strip 323 away from the atomizing part 322 can be bent and clamped to the outside of the support body 33, and the support body 33 can effectively prevent the heating element 32 from being deformed during use.

Preferably, the support body 33 can be a rigid sheet made of insulating material such as a dense ceramic piece, a silicone piece, or a metal piece with a non-conductive outer surface or a conductive piece with an insulating layer on the top surface, such as in The top surface or both sides of the metal sheet such as stainless steel is covered with rubber to form a sheet-shaped support body 33 to isolate the metal sheet and the heating element 32 .

In this embodiment, the supporting body 33 plays a supporting role for the heating element 32. The fixing parts 321 at both ends of the heating element 32 are respectively supported on the top surfaces of the two ends of the supporting body 33, and the two ends of the supporting body 33 are respectively provided with mounting holes 332, and The two installation holes 332 on the support body 33 communicate with the two installation channels 411 on the base 41 in one-to-one correspondence, and the top ends of the two electrodes 42 pass through the two installation holes 332 and abut against the two fixing parts 321 to realize electrical performance. connect. It should be noted that the two installation holes 332 may not be provided on the support body 33. At this time, the range of the escape holes 331 on the support body 33 covers the two installation channels 411, that is, the top ends of the two electrodes 42 protrude from the installation channels 411. Both pass through the avoidance holes 331 and abut against the two fixing parts 321 .

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, there may be various modifications and changes in the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims

An atomizer, comprising an oil cup and an atomization assembly, the atomization assembly is installed in one end of the oil cup and forms a liquid storage chamber with the oil cup, characterized in that the atomization assembly includes Bottom component, a bracket installed on the top of the bottom component, and a heating component, the heating component is clamped and positioned between the bracket and the bottom component; the bracket is installed in the oil cup and connected to the oil cup The inner wall of the cup is sealed and connected, and the bracket is provided with two liquid inlet channels for providing the atomized liquid in the liquid storage chamber to the heating component, and one of the brackets connected to the heating component The side is also provided with a communication groove between the two liquid inlet channels, and the top surface of the communication groove is gradually extended downward along the direction close to the center of the communication groove.
The atomizer according to claim 1, wherein the bracket comprises a top wall and a side wall protruding downward along the periphery of the top wall, and the side wall is sleeved on the upper end of the bottom assembly The two liquid inlet passages penetrate up and down in the top wall, and the top surface of the heating element abuts against the bottom surface of the top wall.
The atomizer according to claim 2, wherein a first air return groove is opened on the inner side of the side wall, and a second air return groove connected with the first air return groove is opened on the bottom surface of the top wall , and the end of the second air return groove away from the first air return groove extends to the liquid inlet channel;

The bottom assembly includes a base, the heating assembly includes a heating body, the heating body is provided with an atomizing part, and the top of the base is provided with the atomization chamber corresponding to the atomizing part of the heating body; The first air return groove and the second air return groove jointly form an air return channel, one end of the air return channel communicates with the atomization chamber, and the other end communicates with the liquid inlet channel.
The atomizer according to claim 2, wherein an installation position is formed in the middle of the top surface of the top wall, and the installation position is connected to the air guide pipe provided in the oil cup, and the bottom of the installation position is provided with a In the air chamber, the side wall is provided with a through groove running through the inner and outer surfaces thereof, the upper end of the through groove extends to communicate with the air passage chamber, and the lower end extends beyond the bottom end of the side wall.
The atomizer according to claim 4, wherein the bottom assembly includes a base and two electrodes inserted into the base, and the two electrodes are respectively electrically connected to the heating component; the heating The assembly includes a heating element, the heating element is provided with an atomizing part, the top of the base is provided with the atomizing chamber corresponding to the atomizing part of the heating element, and the atomizing chamber and the through groove The lower end is connected.
The atomizer according to claim 5, wherein the heating component includes an oil guiding body, the oil guiding body and the heating body are stacked up and down, and the top surface of the oil guiding body abuts against the The bottom surface of the top wall covers the two liquid inlet channels and the communication groove.
The atomizer according to claim 6, wherein the oil guiding body can be deformed so that the two surfaces of the oil guiding body along the height direction of the atomizer are parallel to each other and close to the The surface of the heating element is arranged in close contact with the heating element.
The atomizer according to claim 6, wherein the heating element comprises two fixing parts and an atomizing part connected in series between the two fixing parts, and the top ends of the two electrodes respectively abut against connected to the two fixed parts.
The atomizer according to claim 7, characterized in that, the atomizing part is in the shape of a grid, a stripe, an S, a broken line, a wave, a zigzag, a spiral, a circle or a rectangle.
The atomizer according to claim 8, wherein the resistance value of the atomizing part is greater than the resistance value of the fixing part.
The atomizer according to claim 7, wherein the heating component further comprises a support body stacked on the top of the base, and the heating body is clamped and positioned between the support body and the oil guide Between the bodies; the two ends of the support body are respectively provided with a second installation hole, and the support body is provided with an avoidance hole corresponding to the atomization part, and the avoidance hole is connected with the atomization hole at the top of the base. The cavity communicates correspondingly; the top ends of the two electrodes pass through the two installation holes and abut against the two fixing parts.
The atomizer according to claim 11, wherein the support body is a dense ceramic piece, a silicone piece, a non-conductive metal piece on the outer surface, or a conductive piece with an insulating layer on the top surface.