Heating assembly and electronic atomizer

Abstract

The utility model discloses a heating assembly and an electronic atomizer, the heating assembly is used for heating a to-be-atomized part, the heating assembly is provided with a containing cavity and a heating cylinder arranged in the containing cavity, a heating cavity for receiving the to-be-atomized part is formed in the heating cylinder, one end of the heating assembly is provided with a first opening, and the to-be-atomized part is suitable for stretching into the heating cavity from the first opening; an airflow channel communicating with the first opening and the heating cavity is formed between the heating cylinder and the side wall of the containing cavity, air is suitable for entering the heating cavity from the first opening through the airflow channel, and at least part of the side wall of the airflow channel is formed on the peripheral face of the heating cylinder, so that the air can absorb heat of the heating cylinder in the airflow channel. The heating cylinder is contained in the containing cavity, an airflow channel is formed between the heating cylinder and the side wall of the containing cavity, and at least part of the side wall of the airflow channel is formed on the peripheral face of the heating cylinder, so that air in the airflow channel can absorb heat dissipated by the peripheral face of the heating cylinder to be preheated, and the aerosol concentration and the heat utilization efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic atomizers, in particular to a heating component and an electronic atomizer. Background Art

[0002] Electronic atomizers have become an innovative electronic consumer product that is becoming increasingly popular around the world. Judging from the development of the global market size of the electronic atomizer industry, the scale of the electronic atomizer industry is generally on the rise. Electronic atomizers heat the atomized material to produce aerosol for users to use.

[0003] The air intake channel of the existing electronic atomizer is not arranged reasonably, and there is a problem of low heat utilization rate. Utility Model Content

[0004] The utility model aims to provide a heating component and an electronic atomizer, so as to solve the problem that the air intake channel of the electronic atomizer is not arranged reasonably and the heat utilization rate is low.

[0005] In order to achieve the purpose of the utility model, the utility model provides the following technical solutions:

[0006] In a first aspect, the utility model provides a heating component, which is used to heat a piece to be atomized; the heating component has a accommodating cavity and a heating tube arranged in the accommodating cavity, a heating cavity for receiving the piece to be atomized is formed in the heating tube, one end of the heating component has a first opening, the piece to be atomized is suitable for extending into the heating cavity from the first opening, an air flow channel connecting the first opening and the heating cavity is formed between the heating tube and the side wall of the accommodating cavity, air is suitable for entering the heating cavity from the first opening through the air flow channel, and the outer peripheral surface of the heating tube forms at least a part of the side wall of the air flow channel, so that the air can absorb the heat of the heating tube in the air flow channel.

[0007] In one embodiment, the air flow channel includes a first channel, and the heating assembly further includes an insulation tube, the insulation tube is located at the outer periphery of the heating tube, and a gap is provided between the insulation tube and the heating tube to form the first channel.

[0008] In one embodiment, the heating assembly further includes a bracket, wherein the bracket is disposed on the outer periphery of the heating tube, the insulation tube is disposed on the side of the bracket facing away from the heating tube, a gap is provided between the bracket and the heating tube, the outer peripheral surface of the heating tube forms a first side wall of the first channel, and the side wall of the bracket facing the heating tube forms a second side wall of the first channel opposite to the first side wall.

[0009] In one embodiment, the heating assembly further includes an electromagnetic coil, which is sleeved on the outer circumference of the heating tube and located in the first channel.

[0010] In one embodiment, the heating component further includes a coil frame and an electromagnetic coil wound around the coil frame, the coil frame is sleeved on the outer circumference of the heating tube, and the coil frame and the heating tube are enclosed to form the first channel.

[0011] In one embodiment, the heating component further includes a fixing component, the accommodating chamber further includes an air inlet chamber, the air flow channel further includes a second channel and a third channel, the air inlet chamber is communicated with the heating chamber, the second channel is communicated with the third channel, and the third channel is communicated with the first channel; the air inlet chamber and the third channel are both opened in the fixing component, the inner peripheral wall of the air inlet chamber is suitable for having a gap with the part to be atomized to form the second channel, the fixing component is connected to one end of the heating tube, the first opening is opened at one end of the fixing component away from the heating tube, and the second channel is communicated with the first opening.

[0012] In one embodiment, the fixing assembly includes a fixing member and a top cover, the fixing member is connected to one end of the heating tube, the top cover is connected to an end of the fixing member away from the heating tube, the first opening is opened on the top cover, and the air inlet cavity is opened on the fixing member; the diameter of the air inlet cavity gradually decreases from the heating tube toward the top cover.

[0013] In one embodiment, the heating component also includes a base, and the air flow channel also includes a fourth channel, the fourth channel connects the first channel and the heating chamber, the fourth channel is opened in the base, and the base is connected to an end of the heating tube away from the first opening.

[0014] In one embodiment, the air flow channel also includes a buffer cavity, which is opened on the base, located at an end of the heating tube away from the first opening, connected to the heating cavity, and the fourth channel connects the first channel and the buffer cavity.

[0015] In one embodiment, the base includes a supporting portion and a limiting portion, the supporting portion abuts against an end surface of the heating tube, and the limiting portion abuts against an outer peripheral surface of the heating tube.

[0016] In a second aspect, the utility model further provides an electronic atomizer, comprising a housing and the heating component described in the implementation of the first aspect, wherein the housing encloses an installation space, the heating component is accommodated in the installation space, and is connected and fixed to the housing.

[0017] In one embodiment, the heating assembly includes a accommodating chamber and a first opening, the accommodating chamber includes a heating chamber and an air inlet chamber, the heating chamber is connected to the air inlet chamber, and the first opening connects the accommodating chamber and the outside world; the electronic atomizer also includes a part to be atomized, the part to be atomized includes a part to be atomized, a cooling part and a filter, the atomizing part, the cooling part and the filter are connected and communicated in sequence, the part to be atomized is suitable for extending into the accommodating chamber from the first opening, the part to be atomized is suitable for being accommodated in the heating chamber, and the cooling part is suitable for being partially accommodated in the air inlet chamber.

[0018] In one embodiment, the cooling portion is provided with a cooling cavity and a plurality of air inlet holes, the plurality of air inlet holes are located outside the heating component and are connected to the cooling cavity, and air is suitable for entering the cooling cavity from the plurality of air inlet holes.

[0019] By arranging a heating tube, the heating tube is accommodated in the accommodating cavity, and an air flow channel is formed between the heating tube and the side wall of the accommodating cavity. The outer peripheral surface of the heating tube forms at least a part of the side wall of the air flow channel, so that the air in the air flow channel can absorb the heat dissipated by the outer peripheral surface of the heating tube and be preheated, thereby improving the aerosol concentration and the utilization efficiency of the heat. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 is a structural diagram of an electronic atomizer according to an embodiment;

[0022] Figure 2 is an exploded view of an electronic atomizer according to an embodiment;

[0023] Figure 3 is a cross-sectional view of an electronic atomizer according to an embodiment;

[0024] Figure 4 is an exploded view of a heating assembly of one embodiment;

[0025] Figure 5 is a partial cross-sectional view of an electronic atomizer according to an embodiment;

[0026] Figure 6 is a cross-sectional view of a heating assembly according to an embodiment.

[0027] Description of reference numerals:

[0028] 100-Electronic atomizer;

[0029] 10-housing, 11-installation space, 12-first installation opening, 13-second installation opening, 14-third installation opening, 15-third fixing portion;

[0030] 20-heating assembly, 21-accommodating chamber, 211-air inlet chamber, 2111-first chamber, 2112-second chamber, 2113-third chamber, 22-heating cylinder, 221-heating chamber, 222-second opening, 223-third opening, 224-flange, 23-first opening, 231-air inlet portion, 232-expansion portion, 24-air flow channel, 241-first channel, 2411-first side wall, 2412-second side wall, 242-second channel, 243-third channel, 244- Fourth channel, 245-buffer chamber, 25-first sealing member, 26-insulating tube, 27-bracket, 271-accommodating space, 272-fourth opening, 273-fifth opening, 28-fixing assembly, 281-fixing member, 2811-first fixing portion, 2812-second fixing portion, 282-top cover, 2821-fourth fixing portion, 2822-fifth fixing portion, 283-second sealing member, 29-base, 291-main body, 292-supporting portion, 293-limiting portion, 294-fixing groove;

[0031] 30-circuit assembly, 31-circuit board, 32-control switch, 33-battery, 34-charging component, 35-mounting seat, 351-charging port, 36-positive lead, 37-negative lead, 38-temperature control lead;

[0032] 40-atomization component, 41-atomization portion, 42-cooling portion, 421-cooling chamber, 422-air inlet, 43-filter tip;

[0033] X - first direction. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there can be a central component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time.

[0036] Unless otherwise defined, all technical and scientific terms used in this utility model have the same meaning as those commonly understood by technicians in the technical field of this utility model. The terms used in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used in this utility model includes any and all combinations of one or more related listed items.

[0037] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0038] Please refer to Figures 1 to 3 The utility model provides an electronic atomizer 100, including a housing 10 and a heating component 20 in an embodiment of the utility model. The housing 10 encloses an installation space 11, and the heating component 20 is received in the installation space 11 and is connected and fixed to the housing 10.

[0039] Optionally, the housing 10 is a cylindrical structure extending along the first direction X, and the housing 10 has a first mounting port 12 and a second mounting port 13 arranged opposite to each other in the first direction X, and the first mounting port 12 and the second mounting port 13 are both connected to the mounting space 11, and the heating assembly 20 in the embodiment of the utility model is suitable for entering the mounting space 11 from the first mounting port 12, and the first direction X corresponds to the length direction of the electronic atomizer 100. Optionally, the housing 10 can be made of a material that is resistant to high temperature, meets structural strength, and is easy to process and shape, and can be specifically plastic, aluminum alloy, ceramic, etc., without limitation.

[0040] Optionally, the electronic atomizer 100 further includes a circuit assembly 30, which is accommodated in the installation space 11 and is connected and fixed to the housing 10. Optionally, the circuit assembly 30 includes a circuit board 31, which is electrically connected to the heating assembly 20 in the embodiment of the utility model, and the circuit board 31 is used to control the heating time and heating temperature of the heating assembly 20. Optionally, the circuit assembly 30 further includes a control switch 32, which is electrically connected to the circuit board 31, and the control switch 32 is used by the user to control the heating assembly 20 to heat or stop heating. Optionally, the housing 10 is provided with a third installation port 14, and the control switch 32 extends from the third installation port 14 to the outer surface of the housing 10.

[0041] Optionally, the circuit assembly 30 also includes a battery 33, which is electrically connected to the circuit board 31, and the battery 33 is used to provide the heating assembly 20 with the electric energy required for heating. Optionally, the circuit assembly 30 also includes a charging component 34, which is electrically connected to the battery 33 and exposes the housing 10 from the aforementioned second mounting port 13, and the charging component 34 is used to be electrically connected to an external power source to charge the battery 33. Optionally, the circuit assembly 30 also includes a mounting seat 35, and the circuit board 31, the battery 33 and the charging component 34 are all accommodated in the internal space of the mounting seat 35, and are connected and fixed to the mounting seat 35. Optionally, a charging port 351 is opened at one end of the mounting seat 35 close to the second mounting port 13, and the charging component 34 is connected to the outside world from the charging port 351.

[0042] Optionally, the mounting seat 35 can enter the mounting space 11 from the first mounting opening 12 or the second mounting opening 13, without limitation. Optionally, the mounting seat 35 and the housing 10 can be connected and fixed by means of snap connection, screw connection, magnetic attraction, etc., without limitation. Optionally, the mounting seat 35 can be made of a material with good electrical insulation, high temperature resistance, and easy processing and molding, specifically polypropylene, polyvinyl chloride, and ceramics, etc., without limitation.

[0043] The electronic atomizer 100 provided by the utility model adopts a shell 10 and a heating component 20 in an embodiment of the utility model. The shell 10 encloses an installation space 11, and the heating component 20 is received in the installation space 11 and fixedly connected to the shell 10, so that the electronic atomizer 100 can generate aerosol for user use by heating the atomized substance, and the heating time and heating intensity of the electronic atomizer 100 can be controlled by the circuit component 30. At the same time, the air can absorb the dissipated heat in the heating component 20 and be preheated, so that the aerosol concentration output by the heating component 20 is higher, thereby improving the heat utilization efficiency and avoiding excessive temperature of the product outer surface.

[0044] Please refer to Figures 1 to 3 The heating assembly 20 includes an air inlet chamber 211, a heating chamber 221 and a first opening 23. The heating chamber 221 is communicated with the air inlet chamber 211. The first opening 23 communicates the air inlet chamber 211 with the outside. The electronic atomizer 100 also includes a component to be atomized 40. The component to be atomized 40 includes a portion to be atomized 41, a cooling portion 42 and a filter 43. The atomizing portion, the cooling portion 42 and the filter 43 are sequentially connected and communicated. The component to be atomized 40 is suitable for extending into the air inlet chamber 211 and the heating chamber 221 from the first opening 23 in sequence. The portion to be atomized 41 is suitable for being accommodated in the heating chamber 221, and the cooling portion 42 is suitable for being partially accommodated in the air inlet chamber 211.

[0045] Optionally, the outer peripheral surface of the atomization part 40 can be made of a material with a high ignition point, good thermal conductivity and easy processing and forming, which can be paper, ceramic or stainless steel, etc., without limitation. Optionally, the atomization part 41 can store atomized liquid, atomized particles or atomized wires, etc., without limitation, so as to atomize and generate aerosol under the heating of the heating component 20. Optionally, the cooling part 42 contains a filler with a porous structure (not shown), which can be sponge, ceramic core and glass fiber, etc., without limitation, so as to increase the contact area between the cooling part 42 and the aerosol, accelerate the cooling rate of the aerosol, and make the cooling part 42 have a certain structural strength, which is not easy to bend during use. Optionally, the filter part can be made of a material with chemical properties, high temperature resistance and porous structure, which can be polypropylene, acetate fiber and activated carbon, etc. There is no limitation.

[0046] By setting the heating component 20 to include an air inlet chamber 211, a heating chamber 221 and a first opening 23, the heating chamber 221 is communicated with the air inlet chamber 211, and the first opening 23 is connected with the air inlet chamber 211 and the outside, the electronic atomizer 100 also includes a component to be atomized 40, the component to be atomized 40 includes a portion to be atomized 41, a cooling portion 42 and a filter 43, the atomizing portion, the cooling portion 42 and the filter 43 are connected and communicated in sequence, the component to be atomized 40 is suitable for extending into the air inlet chamber 211 and the heating chamber 221 from the first opening 23 in sequence, the portion to be atomized 41 is suitable for being accommodated in the heating chamber 221, and the cooling portion 42 is suitable for being partially accommodated in the air inlet chamber 211, so that the electronic atomizer 100 can heat the component to be atomized 40 through the heating component 20 to generate an aerosol, and the component to be atomized 40 can cool and filter the aerosol generated by the heating component 20, thereby optimizing the user's feeling of use, and at the same time, the component to be atomized 40 can be replaced for continuous use.

[0047] Please refer to Figure 3 The cooling portion 42 is provided with a cooling cavity 421 and a plurality of air inlet holes 422. The plurality of air inlet holes 422 are located outside the heating assembly 20 and communicate with the cooling cavity 421. Air is suitable for entering the cooling cavity 421 from the plurality of air inlet holes 422. Optionally, the plurality of air inlet holes 422 are arranged at intervals in the circumferential direction of the cooling portion 42. Optionally, the plurality of air inlet holes 422 are arranged at intervals in the cooling portion 42 in the first direction X.

[0048] By setting up the cooling part 42, a cooling cavity 421 and a plurality of air inlet holes 422 are opened. The plurality of air inlet holes 422 are located on the outside of the heating component 20 and are connected with the cooling cavity 421. Air is suitable for entering the cooling cavity 421 from the plurality of air inlet holes 422, so that the aerosol can be cooled when the air enters the cooling cavity 421, and the concentration of the aerosol is diluted at the same time, thereby optimizing the user's experience.

[0049] Please refer to Figures 4 to 6The utility model further provides a heating assembly 20, which is used to heat the part to be atomized 40. The heating assembly 20 has a receiving chamber 21 and a heating cylinder 22 disposed in the receiving chamber 21. A heating chamber 221 for receiving the part to be atomized 40 is formed in the heating cylinder 22. One end of the heating assembly 20 has a first opening 23. The part to be atomized 40 is suitable for extending into the heating chamber 221 from the first opening 23. An airflow channel 24 connecting the first opening 23 and the heating chamber 221 is formed between the heating cylinder 22 and the side wall of the receiving chamber 21. Air is suitable for entering the heating chamber 221 from the first opening 23 through the airflow channel 24. The outer peripheral surface of the heating cylinder 22 forms at least part of the side wall of the airflow channel 24, so that the air can absorb the heat of the heating cylinder 22 in the airflow channel 24. Optionally, the length direction of the receiving chamber 21 corresponds to the aforementioned first direction X.

[0050] Optional, please refer to Figure 5 and Figure 6 The heating tube 22 is a cylindrical structure extending along the first direction X, and has a second opening 222 and a third opening 223 arranged opposite to each other in the first direction X. The second opening 222 and the third opening 223 are both connected to the heating chamber 221, and the second opening 222 is connected to the first opening 23. When the atomizer 40 enters the heating chamber 221 from the second opening 222, the third opening 223 is connected to the air flow channel 24. Optionally, there may be multiple third openings 223, and multiple third openings 223 are spaced apart on the end surface of the heating tube 22 away from the first opening 23. Optionally, the heating tube 22 may be made of a material with good conductivity, high temperature resistance and easy processing and forming, specifically stainless steel, aluminum oxide and zirconium oxide, etc., without limitation.

[0051] Optional, please refer to Figure 4 and Figure 5 The heating component 20 includes a first sealing member 25, which is located on the outer peripheral surface of the end of the heating component 20 away from the first opening 23 and abuts against the aforementioned housing 10. The first sealing member 25 is used to isolate the airflow channel 24 and the installation space 11, and prevent air from entering the installation space 11 from the gap between the heating component 20 and the housing 10. Optionally, the first sealing member 25 can be made of a material that is resistant to high temperatures, has stable chemical properties, and is easy to process and shape, specifically silicone, rubber, polycarbonate, etc., without limitation.

[0052] By setting a heating tube 22, the heating tube 22 is accommodated in the accommodating cavity 21, and an air flow channel 24 is formed between the heating tube 22 and the side wall of the accommodating cavity 21. The outer peripheral surface of the heating tube 22 forms at least a part of the side wall of the air flow channel 24. Compared with the solution that requires a higher output power to produce an aerosol of the same concentration, the present solution allows the air in the air flow channel 24 to absorb the heat dissipated by the outer peripheral surface of the heating tube 22 and be preheated, thereby improving the aerosol concentration and the utilization efficiency of the heat.

[0053] Please refer to Figures 4 to 6 The air flow channel 24 includes a first channel 241 , and the heating assembly 20 further includes an insulation tube 26 , which is located at the outer periphery of the heating tube 22 , and a gap is provided between the insulation tube 26 and the heating tube 22 to form the first channel 241 .

[0054] Optionally, the heat insulating tube 26 is a cylindrical structure extending along the first direction X, and the equivalent inner diameter of at least part of the heat insulating tube 26 is larger than the equivalent outer diameter of the heating tube 22, so that a first channel 241 is formed between the heat insulating tube 26 and the heating tube 22. Optionally, the heat insulating tube 26 can be made of a material with high temperature resistance, good heat insulation and chemical properties, specifically ceramics, glass, polytetrafluoroethylene and polyimide, etc., without limitation.

[0055] Optionally, in the orthographic projection on the first direction X, the contour shape of the first channel 241 may be annular, circular, rectangular, non-circular, etc., without limitation. Optionally, there may be multiple first channels 241, and the multiple first channels 241 are arranged at intervals in the orthographic projection on the first direction X. Optionally, in the orthographic projection on the first direction X, the contour shape of the heating chamber 221 may be circular, elliptical, circular, and rounded rectangular, etc., without limitation. Optionally, the first side wall 2411 is the side wall of the first channel 241 away from the heating cylinder 22.

[0056] By setting the air flow channel 24 to include a first channel 241, the heating component 20 also includes an insulating tube 26, and the insulating tube 26 is located at the outer periphery of the heating tube 22. There is a gap between the insulating tube 26 and the heating tube 22 to form the first channel 241, so that the air can absorb the heat dissipated by the heating tube 22 in the first channel 241 and be preheated, thereby improving the aerosol concentration and heat utilization efficiency, reducing energy consumption, and avoiding excessively high temperature on the outer surface of the product.

[0057] Please refer to Figures 4 to 6 The heating assembly 20 also includes a bracket 27, which is arranged on the outer periphery of the heating tube 22, and the insulation tube 26 is arranged on the side of the bracket 27 facing away from the heating tube 22. There is a gap between the bracket 27 and the heating tube 22, and the outer peripheral surface of the heating tube 22 forms a first side wall 2411 of the first channel 241, and the side wall of the bracket 27 facing the heating tube 22 forms a second side wall 2412 of the first channel 241 opposite to the first side wall 2411.

[0058] Optionally, the bracket 27 is a cylindrical structure extending along the first direction X and encloses a receiving space 271, and the heating tube 22 is received in the receiving space 271. Optionally, the bracket 27 has a fourth opening 272 and a fifth opening 273 that are arranged opposite to each other in the first direction X, and the fourth opening 272 and the fifth opening 273 are both connected to the receiving space 271.

[0059] Optionally, the insulation tube 26 and the bracket 27 are connected by interference fit, so that the insulation tube 26 and the bracket 27 are stably connected to prevent the insulation tube 26 from being damaged due to shaking. Optionally, the bracket 27 can be made of a material that is resistant to high temperatures, has stable chemical properties, and is easy to process and shape, specifically stainless steel, aluminum alloy, and ceramic, etc., without limitation.

[0060] By arranging the bracket 27, the bracket 27 is arranged on the outer periphery of the heating tube 22, the insulation tube 26 is arranged on the side of the bracket 27 facing away from the heating tube 22, and a gap is provided between the bracket 27 and the heating tube 22. The outer peripheral surface of the heating tube 22 forms a first side wall 2411 of the first channel 241, and the side wall of the bracket 27 facing the heating tube 22 forms a second side wall 2412 of the first channel 241 opposite to the first side wall 2411, so that the first channel 241 is formed between the bracket 27 and the heating tube 22, and the air can absorb the heat dissipated by the heating tube 22 in the first channel 241 and be preheated, thereby improving the aerosol concentration and the utilization efficiency of heat, reducing energy consumption, and avoiding excessively high temperature of the outer surface of the product.

[0061] Please refer to Figures 4 to 6 The heating assembly 20 further includes an electromagnetic coil (not shown), which is sleeved on the outer periphery of the heating cylinder 22 and located in the first channel 241. Optionally, the electromagnetic coil can be connected to the outer surface of the heating cylinder 22, or to the inner wall surface of the aforementioned receiving space 271, or can be suspended and fixed in the first channel 241, without limitation. Optionally, the heating assembly 20 can also use electric heat resistance wires and ceramic heating plates to generate heat, and the electric heat resistance wires and ceramic heating plates are in contact with the heating cylinder 22 to transfer heat to the heating cylinder 22.

[0062] Optional, please refer to Figure 4 The circuit assembly 30 further includes a positive lead 36 and a negative lead 37, the positive lead 36 and the negative lead 37 are insulated from each other, one end of the positive lead 36 is electrically connected to the electromagnetic coil, and the other end is electrically connected to the circuit board 31, one end of the negative lead 37 is electrically connected to the electromagnetic coil, and the other end is electrically connected to the circuit board 31. Optionally, the heating assembly 20 further includes a temperature control lead 38, one end of the temperature control lead 38 is electrically connected to the electromagnetic coil, and the other end is electrically connected to the circuit board 31, and the temperature control lead 38 is used to cooperate with the circuit board 31 to control the current size and frequency passing through the electromagnetic coil.

[0063] Optionally, the electromagnetic coil may be made of a material with good conductivity, high temperature resistance and structural strength, specifically copper, nickel, ferrite and Permalloy, etc., without limitation. Optionally, the positive lead 36 may be made of a metal material with high conductivity and low resistivity, specifically copper, silver and aluminum, etc., without limitation. Optionally, the material of the negative lead 37 is similar to that of the positive lead 36, which can be used as a reference and will not be described in detail. Optionally, the material of the temperature control lead 38 is similar to that of the positive lead 36, which can be used as a reference and will not be described in detail. Optionally, the outer peripheral surface of the positive lead 36 and the negative lead 37 is covered with an insulating film (not shown), and the insulating film can be made of polyvinyl chloride, plastic and rubber, etc., without limitation.

[0064] By setting an electromagnetic coil, the electromagnetic coil is sleeved on the outer circumference of the heating tube 22 and is located in the first channel 241, so that the electromagnetic coil can generate a magnetic field through alternating current, so that the heating tube 22 generates heat to heat the atomization element 40. At the same time, the electromagnetic coil is set in the first channel 241, and the air can absorb the heat generated by the electromagnetic coil in the first channel 241 and be preheated, thereby improving the aerosol concentration and heat utilization efficiency, reducing energy consumption, and avoiding excessive temperature of the product outer surface.

[0065] Please refer to Figures 4 to 6 The heating component 20 further includes a coil frame (not shown) and an electromagnetic coil wound on the coil frame. The coil frame is sleeved on the outer circumference of the heating tube 22 . The coil frame and the heating tube 22 enclose a first channel 241 .

[0066] Optionally, the coil skeleton is a cylindrical structure extending along the first direction X. Optionally, the coil skeleton is connected to the inner circumferential surface of the aforementioned bracket 27. Optionally, the coil skeleton and the bracket 27 can be an integrated structure, or can be detachably connected by means of snap connection, screw connection, and riveting, without limitation. Optionally, the coil skeleton can be made of a material that is resistant to high temperatures, has stable chemical properties, and is easy to process and shape, specifically stainless steel, aluminum alloy, and ceramic, without limitation.

[0067] By setting a coil skeleton and an electromagnetic coil wound on the coil skeleton, the coil skeleton is sleeved on the outer periphery of the heating tube 22, and the coil skeleton and the heating tube 22 enclose a first channel 241, so that the electromagnetic coil can be stably connected and fixed to the heating tube 22, and is not easy to separate from the heating tube 22 under the influence of airflow. At the same time, it is helpful to adjust the arrangement of the electromagnetic coil to adapt to the power consumption requirements of the electronic atomizer 100.

[0068] Please refer to Figures 4 to 6The heating component 20 also includes a fixing component 28, the accommodating chamber 21 also includes an air inlet chamber 211, the air flow channel 24 also includes a second channel 242 and a third channel 243, the air inlet chamber 211 is communicated with the heating chamber 221, the second channel 242 is communicated with the third channel 243, the third channel 243 is communicated with the first channel 241, the air inlet chamber 211 and the third channel 243 are both opened in the fixing component 28, the inner peripheral wall of the air inlet chamber 211 is suitable for having a gap with the atomized part 40 to form the second channel 242, the fixing component 28 is connected to one end of the heating tube 22, the first opening 23 is opened at one end of the fixing component 28 away from the heating tube 22, and the second channel 242 is communicated with the first opening 23.

[0069] Optionally, one end of the fixing component 28 enters the receiving space 271 from the fourth opening 272 of the bracket 27 and is connected to the bracket 27 by interference fit to prevent air from leaking from the gap between the first channel 241 and the fixing component 28 to the installation space 11. The fixing component 28 extends into the receiving space 271. Figure 6 One end of the heating tube 22 close to the fixing assembly 28 has a flange 224 , which protrudes from the outer peripheral surface of the heating tube 22 and is clamped and fixed to the fixing assembly 28 .

[0070] Optionally, the structure of the second channel 242 is similar to that of the first channel 241, which can be used as a reference without limitation. Optionally, the third channel 243 runs from the second channel 242 to the first channel 241, so that the first channel 241 and the second channel 242 are connected. Optionally, there are multiple third channels 243, and the multiple third channels 243 are spaced apart in the circumferential direction of the fixing assembly 28.

[0071] By setting the fixing assembly 28, the accommodating chamber 21 also includes an air inlet chamber 211, and the air flow channel 24 also includes a second channel 242 and a third channel 243. The air inlet chamber 211 is communicated with the heating chamber 221, the second channel 242 is communicated with the third channel 243, and the third channel 243 is communicated with the first channel 241. The air inlet chamber 211 and the third channel 243 are both opened in the fixing assembly 28. The inner peripheral wall of the air inlet chamber 211 is suitable for having a gap with the atomized part 40 to form the second channel 242. The fixing assembly 28 is connected to one end of the heating tube 22, and the third channel 242 is connected to the heating tube 22. An opening 23 is provided at one end of the fixing component 28 away from the heating tube 22, and the second channel 242 is connected to the first opening 23, so that air can enter the first channel 241 from the second channel 242 between the fixing component 28 and the part to be atomized 40 and the third channel 243 provided in the fixing component 28, without the need for additional holes to allow air to enter, thereby reducing the difficulty of manufacturing. At the same time, part of the part to be atomized 40 is accommodated in the air inlet cavity 211 to reduce the volume of the part to be atomized 40 exposed to the electronic atomizer 100, thereby reducing the risk of bending and damage of the part to be atomized 40.

[0072] Please refer to Figure 5 and Figure 6 The fixing assembly 28 includes a fixing member 281 and a top cover 282. The fixing member 281 is connected to one end of the heating tube 22. The top cover 282 is connected to the end of the fixing member 281 away from the heating tube 22. The first opening 23 is opened in the top cover 282. The air inlet cavity 211 is opened in the fixing member 281. The diameter of the air inlet cavity 211 gradually decreases from the heating tube 22 to the top cover 282.

[0073] Optional, please refer to Figure 6 The fixing member 281 includes a first fixing portion 2811 and a second fixing portion 2812. The first fixing portion 2811 extends into the aforementioned fourth opening 272 and is interference-fitted with the bracket 27. The second fixing portion 2812 protrudes from the outer surface of the bracket 27 and abuts against the bracket 27 in the first direction X. Optionally, the top cover 282 is accommodated in the aforementioned installation space 11 and is interference-fitted with the housing 10 to isolate the installation space 11 from the outside. Optionally, the aforementioned housing 10 is provided with a third fixing portion 15 near the fourth opening 272, and the top cover 282 is provided with a fourth fixing portion 2821, and the third fixing portion 15 and the fourth fixing portion 2821 abut against each other in the first direction X.

[0074] Optional, please refer to Figure 5 The first opening 23 includes an air inlet portion 231 and a flared portion 232. The air inlet portion 231 is located at one end of the top cover 282 close to the fixing member 281 and extends along the first direction X. The diameter of the flared portion 232 gradually increases from the air inlet portion 231 toward the end surface of the top cover 282 facing away from the fixing member 281, so that air can enter the air flow channel 24 more smoothly.

[0075] Optional, please refer to Figure 6 The air inlet chamber 211 includes a first chamber 2111, a second chamber 2112 and a third chamber 2113. The first chamber 2111, the second chamber 2112 and the third chamber 2113 are connected in sequence from the heating tube 22 to the top cover 282. The first chamber 2111 extends along the first direction X. The diameter of the second chamber 2112 gradually increases from the first chamber 2111 to the third chamber 2113. The third chamber 2113 gradually increases from the second chamber 2112 to the top cover 282. The first chamber 2111 can have a certain limiting effect on the atomizer 40 to be atomized, reducing the shaking of the atomizer 40 in the air inlet chamber 211. The second chamber 2112 and the third chamber 2113 make the air flow in the air inlet chamber 211 smoother.

[0076] Optionally, the fixing assembly 28 further includes a second sealing member 283, one end of which is sleeved on the fixing member 281, and the other end of which is in contact with the top cover 282, so as to isolate the air inlet cavity 211 from the installation space 11, and prevent air from entering the installation space 11 from the gap between the fixing member 281 and the top cover 282. Optionally, the top cover 282 includes a fifth fixing portion 2822, which protrudes from the top cover 282 toward the fixing member 281 and is sleeved on the second sealing member 283.

[0077] Optionally, the material of the fixing member 281 is similar to that of the bracket 27, which can be referred to and will not be described in detail. Optionally, the material of the top cover 282 is similar to that of the bracket 27, which can be referred to and will not be described in detail. Optionally, the material of the second sealing member 283 is similar to that of the first sealing member 25, which can be referred to and will not be described in detail.

[0078] Optionally, by setting a fixing member 281 and a top cover 282, the fixing member 281 is connected to one end of the heating tube 22, the top cover 282 is connected to the end of the fixing member 281 away from the heating tube 22, the first opening 23 is opened on the top cover 282, the air inlet cavity 211 is opened on the fixing member 281, and the diameter of the air inlet cavity 211 gradually decreases from the heating tube 22 toward the top cover 282, so that the air enters the air inlet cavity 211 from the first opening 23 more smoothly, thereby reducing the suction resistance of the airflow channel 24, increasing the flow rate of the aerosol, and preventing the aerosol from burning.

[0079] Please refer to Figures 4 to 6 The heating component 20 also includes a base 29, and the air flow channel 24 also includes a fourth channel 244, which connects the first channel 241 and the heating chamber 221. The fourth channel 244 is opened in the base 29, and the base 29 is connected to one end of the heating tube 22 away from the first opening 23.

[0080] Optionally, the fourth channel 244 runs through the first channel 241 to the heating chamber 221. Optionally, there may be multiple fourth channels 244, and the multiple fourth channels 244 are spaced apart in the circumferential direction of the base 29. Optionally, the base 29 includes a main body 291, the main body 291 abuts against the end of the bracket 27 and the end of the aforementioned heat insulation tube 26, and the aforementioned first sealing member 25 is sleeved on the main body 291 and abuts against the aforementioned housing 10. Optionally, the material of the base 29 is similar to that of the bracket 27, and can be used for reference only and will not be described in detail.

[0081] By setting the base 29, the air flow channel 24 also includes a fourth channel 244, which connects the first channel 241 and the heating chamber 221. The fourth channel 244 is opened on the base 29, and the base 29 is connected to the end of the heating tube 22 away from the fixing component 28, so that air can flow from the first channel 241 to the heating chamber 221 through the fourth channel 244. At the same time, the bracket 27 and the heating tube 22 are connected to the base 29, so that the bracket 27 and the heating tube 22 can be stably fixed in the shell 10.

[0082] Please refer to Figure 6 The air flow channel 24 further includes a buffer chamber 245, which is opened in the base 29, and is located at an end of the heating tube 22 away from the first opening 23. The buffer chamber 245 is connected to the heating chamber 221, and the fourth channel 244 is connected to the first channel 241 and the buffer chamber 245. Optionally, the buffer chamber 245 is opened in the aforementioned support portion 292. Optionally, the buffer chamber 245 is connected to the heating chamber 221 through the aforementioned third opening 223.

[0083] By providing a buffer chamber 245, the buffer chamber 245 is opened on the base 29, the buffer chamber 245 is located at the end of the heating tube 22 away from the first opening 23, the buffer chamber 245 is connected with the heating chamber 221, and the fourth channel 244 is connected with the first channel 241 and the buffer chamber 245, so that part or all of the air required for one inhalation can be stored in the buffer chamber 245, and a large negative pressure is generated at the end of inhalation to drive air to quickly replenish into the buffer chamber 245 from the outside, thereby reducing the inhalation resistance, improving the smoothness of the airflow channel 24, and preventing the occurrence of burning, thereby improving the user experience.

[0084] Please refer to Figure 6 The base 29 includes a supporting portion 292 and a limiting portion 293 . The supporting portion 292 abuts against the end surface of the heating tube 22 , and the limiting portion 293 abuts against the outer peripheral surface of the heating tube 22 .

[0085] Optionally, the support portion 292 is connected to the main body 291, the limiting portion 293 is connected to the support portion 292 and protrudes from the surface of the support portion 292 facing away from the main body 291, the main body 291 abuts against the end of the bracket 27, the support portion 292 and the limiting portion 293 extend into the receiving space 271 from the fifth opening 273, the support portion 292 abuts against the inner wall surface of the receiving space 271, the limiting portion 293 is connected and fixed to the heating tube 22, and the fourth channel 244 is opened in the support portion 292. Optionally, the limiting portion 293 encloses a fixing groove 294, the heating tube 22 extends into the fixing groove 294 and abuts against the inner wall surface of the fixing groove 294, and the end of the heating tube 22 abuts against the support portion 292.

[0086] By providing the support portion 292 and the limiting portion 293, the support portion 292 abuts against the end surface of the heating tube 22, and the limiting portion 293 abuts against the outer peripheral surface of the heating tube 22, so that the support portion 292 can fix the bracket 27 in the radial direction of the bracket 27 and fix the heating tube 22 in the first direction X, and isolate the air flow channel 24 and the installation space 11. The limiting portion 293 can fix the heating tube 22 in the radial direction of the heating tube 22, thereby improving the fixing effect of the heating tube 22 and the bracket 27 and preventing the bracket 27 and the heating tube 22 from shaking.

[0087] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship of terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientation or positional relationship described in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0088] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. A heating component, characterized in that: The heating assembly is used to heat the part to be atomized; The heating component comprises a accommodating cavity and a heating tube arranged in the accommodating cavity, a heating cavity for receiving the part to be atomized is formed in the heating tube, one end of the heating component comprises a first opening, the part to be atomized is suitable for extending into the heating cavity from the first opening, an air flow channel connecting the first opening and the heating cavity is formed between the heating tube and the side wall of the accommodating cavity, air is suitable for entering the heating cavity from the first opening through the air flow channel, and the outer peripheral surface of the heating tube forms at least a part of the side wall of the air flow channel, so that the air can absorb the heat of the heating tube in the air flow channel.

2. The heating assembly according to claim 1, characterized in that The air flow channel includes a first channel, and the heating assembly further includes an insulation tube, which is located at the outer periphery of the heating tube, and a gap is provided between the insulation tube and the heating tube to form the first channel.

3. The heating assembly according to claim 2, characterized in that The heating assembly also includes a bracket, which is arranged on the outer periphery of the heating tube. The insulating tube is arranged on the side of the bracket facing away from the heating tube. There is a gap between the bracket and the heating tube. The outer peripheral surface of the heating tube forms a first side wall of the first channel. The side wall of the bracket facing the heating tube forms a second side wall of the first channel opposite to the first side wall.

4. The heating assembly according to claim 2, characterized in that: The heating component also includes an electromagnetic coil, which is sleeved on the outer circumference of the heating cylinder and located in the first channel.

5. The heating assembly according to claim 2, characterized in that: The heating component also includes a coil frame and an electromagnetic coil wound on the coil frame. The coil frame is sleeved on the outer circumference of the heating tube. The coil frame and the heating tube are enclosed to form the first channel.

6. The heating assembly according to claim 2, characterized in that The heating assembly further includes a fixing assembly, the accommodating chamber further includes an air inlet chamber, the air flow channel further includes a second channel and a third channel, the air inlet chamber is in communication with the heating chamber, the second channel is in communication with the third channel, and the third channel is in communication with the first channel; The air inlet cavity and the third channel are both opened in the fixing component, the inner peripheral wall of the air inlet cavity is suitable for having a gap with the part to be atomized to form the second channel, the fixing component is connected to one end of the heating tube, the first opening is opened at one end of the fixing component away from the heating tube, and the second channel is communicated with the first opening.

7. The heating assembly according to claim 6, characterized in that The fixing assembly comprises a fixing member and a top cover, wherein the fixing member is connected to one end of the heating tube, the top cover is connected to one end of the fixing member away from the heating tube, the first opening is provided in the top cover, and the air inlet cavity is provided in the fixing member; The diameter of the air inlet cavity gradually decreases from the heating tube toward the top cover.

8. The heating assembly according to claim 2, characterized in that The heating component also includes a base, and the air flow channel also includes a fourth channel, the fourth channel connects the first channel and the heating chamber, the fourth channel is opened in the base, and the base is connected to an end of the heating tube away from the first opening.

9. The heating assembly according to claim 8, characterized in that The airflow channel also includes a buffer cavity, which is opened in the base, located at an end of the heating tube away from the first opening, and is connected to the heating cavity. The fourth channel connects the first channel and the buffer cavity.

10. The heating assembly according to claim 8, characterized in that The base includes a supporting portion and a limiting portion, the supporting portion abuts against an end surface of the heating tube, and the limiting portion abuts against an outer peripheral surface of the heating tube.

11. An electronic atomizer, characterized in that: It comprises a shell and a heating component as claimed in any one of claims 1 to 10, wherein the shell encloses an installation space, and the heating component is accommodated in the installation space and is connected and fixed to the shell.

12. The electronic atomizer according to claim 11, characterized in that: The heating assembly comprises an air inlet cavity, a heating cavity and a first opening, the heating cavity is connected with the air inlet cavity, and the first opening is connected with the air inlet cavity and the outside; The electronic atomizer also includes a piece to be atomized, which includes a portion to be atomized, a cooling portion and a filter. The atomizing portion, the cooling portion and the filter are connected and communicated in sequence. The piece to be atomized is suitable for extending from the first opening into the air inlet cavity and the heating cavity in sequence. The portion to be atomized is suitable for being accommodated in the heating cavity, and the cooling portion is suitable for being partially accommodated in the air inlet cavity.

13. The electronic atomizer according to claim 12, characterized in that: The cooling part is provided with a cooling cavity and a plurality of air inlet holes. The plurality of air inlet holes are located outside the heating component and are connected with the cooling cavity. Air is suitable for entering the cooling cavity from the plurality of air inlet holes.

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