A heating element component, atomization component and electronic atomization device

Abstract

The present application provides a heating element assembly, which is suitable for an atomization assembly and an electronic atomization device. The heating element assembly includes a liquid conducting layer, a heating element and a magnet. The liquid conducting layer is used to store and transmit an aerosol-generating matrix. The heating element is arranged on the surface of the liquid conducting layer to atomize the aerosol-generating matrix. The magnet is used to provide a magnetic field. Under the action of the magnetic field, the heating element is subjected to a magnetic attraction force or an electromagnetic force toward the liquid conducting layer, so that the heating element is in full contact with the liquid conducting layer, thereby ensuring sufficient liquid supply and avoiding the problem of dry burning caused by insufficient liquid supply.

Description

Technical Field

[0001] The present invention relates to the field of atomization, and in particular to a heating element component, an atomization component and an electronic atomization device. Background Art

[0002] At present, the main heating component of the cotton core heating element is the heating sheet. The heating sheet is mainly made of iron-chromium-aluminum, nickel-chromium or stainless steel. The honeycomb, prism or rectangular patterns are made through etching process. The resistance value and heat concentration of the heating sheet are adjusted by controlling the pattern size. The heating sheet is attached to the surface of the cotton layer to heat the atomized liquid aerosol to generate the matrix. The cotton layer is mainly used to store and transmit the liquid aerosol to generate the matrix, and the heating sheet is mainly used to heat the atomized liquid aerosol to generate the matrix.

[0003] However, during the heating and atomization process, the existing cotton core heating sheet is prone to insufficient contact between the heating sheet and the cotton layer, and insufficient oil supply leads to dry burning, which significantly increases the temperature of the heating sheet and causes great thermal damage to the cotton layer. At the same time, a large amount of soot components are formed on the surface, which produces a burnt smell, seriously affecting the user's smoking experience and significantly reducing the service life of the heating element. Summary of the invention

[0004] In view of the above problems, the present application provides a heating element assembly, an atomization assembly and an electronic atomization device to solve the problem in the prior art that insufficient contact between the heating plate and the cotton layer may lead to dry burning during the heating and atomization process.

[0005] In order to solve the above technical problems, a technical solution adopted in the present application is: to provide a heating element assembly, including: a liquid conducting layer, used to store and transport an aerosol generating matrix; a heating element, arranged on the surface of the liquid conducting layer, used to atomize the aerosol generating matrix; a magnet, used to provide a magnetic field, so that the heating element is subjected to a magnetic attraction force or an electromagnetic force toward the liquid conducting layer, thereby being tightly attached to the liquid conducting layer.

[0006] The heating element comprises ferromagnetic material, and the magnet provides magnetic attraction force to the liquid guiding layer to the heating element; or the heating element comprises non-ferromagnetic material, and when the heating element is powered on, the heating element is subjected to electromagnetic force toward the liquid guiding layer.

[0007] The liquid-conducting layer is in a hollow columnar shape, and the heating element is a heating element and is arranged on the inner surface or the outer surface of the liquid-conducting layer.

[0008] It also includes: a liquid inlet pipe, a liquid guide layer is arranged on the inner surface of the liquid inlet pipe; a heating seat, the heating seat and the liquid inlet pipe cooperate to fix the liquid guide layer; wherein the heating element is arranged around the inner surface of the liquid guide layer.

[0009] Wherein, under the action of the magnet, the heating element is subjected to a magnetic attraction force and / or an electromagnetic force radially toward the liquid guide layer.

[0010] Among them, the magnetization direction of the magnet is parallel to the axial direction of the liquid-conducting layer; where the heating element is located, the magnetic field direction of the magnet is parallel to the axial direction of the liquid-conducting layer; the current direction in the heating element is along the circumferential direction of the liquid-conducting layer, and when the heating element is energized, the heating element is subjected to an electromagnetic force radially toward the liquid-conducting layer.

[0011] The material of the liquid inlet pipe and / or the heating seat includes a permanent magnet material or a magnetizable material, and the liquid inlet pipe and / or the heating seat are used as magnets. The magnets are independently arranged permanent magnets.

[0012] Wherein, the magnet is accommodated inside the liquid inlet pipe.

[0013] Wherein, the magnet and the heating element are arranged at a distance.

[0014] Wherein, the magnet is arranged around the outer side of the liquid inlet pipe.

[0015] The magnet is annular and sleeved on the outer surface of the liquid inlet pipe; or the magnet includes a plurality of sub-magnets arranged around the outer surface of the liquid inlet pipe.

[0016] The magnets are annular and there are two of them. The two magnets are spaced apart and sleeved on the outer surface of the liquid inlet pipe.

[0017] The distance between the two magnets is 2 mm to 10 mm.

[0018] The invention also includes a support frame which is arranged between the two magnets.

[0019] Wherein, the material of the support frame is magnetic conductive material.

[0020] The heating seat comprises a base and a support body arranged on the base; the liquid inlet pipe is sleeved on the support body and abuts against the base; and the magnet is arranged on a side of the support body away from the base.

[0021] The liquid guiding layer comprises a first liquid guiding layer and a second liquid guiding layer; the first liquid guiding layer is arranged between the liquid inlet tube and the support body, and the second liquid guiding layer is arranged on a side of the support body away from the liquid inlet tube.

[0022] One end of the liquid inlet pipe is sleeved on the outer surface of the base and is interference fit with the base.

[0023] To solve the above technical problems, the present application also provides an atomization assembly, comprising: an atomization tube having a receiving cavity; a heating element assembly disposed in the receiving cavity; wherein the heating element assembly is any of the above heating element assemblies. The liquid inlet tube and the heating seat are detachably disposed with respect to the magnet.

[0024] To solve the above technical problems, the present application also provides an electronic atomization device, comprising: an atomization component, the atomization component including a heating element component, the heating element component being any of the above heating element components; and a battery component for providing power to the atomization component.

[0025] Among them, the current output by the battery component is adjustable.

[0026] Different from the prior art, the heating element assembly provided by the present application provides a magnetic field for the heating element by arranging a magnet near the heating element, so that the heating element is subjected to an electromagnetic force or magnetic attraction force radially toward the liquid guide layer, and the heating element is closely attached to the liquid guide layer under the action of the electromagnetic force or magnetic attraction force. Through the above arrangement, the heating element is in full contact with the liquid guide layer, and thus the liquid supply is sufficient, avoiding the problem of dry burning caused by insufficient liquid supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of an embodiment of the electronic atomization device provided by the present application;

[0028] Figure 2 is a cross-sectional view of an embodiment of an atomization assembly provided by the present application;

[0029] Figure 3 is a cross-sectional view of a first embodiment of a heating element assembly provided by the present application;

[0030] Figure 4 It is a structural schematic diagram of the liquid inlet pipe in this application;

[0031] Figure 5 It is a schematic diagram of the structure of the heating seat provided by the present application;

[0032] Figure 6 is a cross-sectional view of a second embodiment of a heating element assembly provided by the present application;

[0033] Figure 7 is a cross-sectional view of a third embodiment of a heating element assembly provided by the present application;

[0034] Figure 8 It is a cross-sectional view of the fourth embodiment of the heating element assembly provided in the present application. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0036] The terms "first", "second", "third" in this application are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined as "first", "second", "third" can expressly or implicitly include at least one of the features. In the description of this application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. In the embodiments of this application, all directional indications (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the steps or units listed, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0037] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0038] See also Figure 1-8 , Figure 1 It is a structural schematic diagram of an embodiment of the electronic atomization device provided by the present application; Figure 2 is a cross-sectional view of an embodiment of an atomization assembly provided by the present application; Figure 3 is a cross-sectional view of a first embodiment of a heating element assembly provided by the present application; Figure 4 It is a structural schematic diagram of the liquid inlet pipe in this application; Figure 5 It is a schematic diagram of the structure of the heating seat provided by the present application; Figure 6 is a cross-sectional view of a second embodiment of a heating element assembly provided by the present application; Figure 7 is a cross-sectional view of a third embodiment of a heating element assembly provided by the present application; Figure 8 It is a cross-sectional view of the fourth embodiment of the heating element assembly provided in the present application.

[0039] See also Figure 1, the electronic atomization device 300 can be used for atomization of liquid matrices such as aerosol generating matrices and liquid medicines. The electronic atomization device 300 includes an atomization assembly 100 and a battery assembly 200 that are interconnected. The atomization assembly 100 is used to store liquid matrices and atomize liquid matrices to form an aerosol that can be inhaled by users. The atomization assembly 100 can be specifically used in different fields, such as medical, agricultural and atomizer fields. The battery assembly 200 includes a battery (not shown), an airflow sensor (not shown) and a control circuit board (not shown), etc.; the battery is used to power the atomization assembly 100, the airflow sensor is used to detect airflow changes in the electronic atomization device 300, and the control circuit board controls the battery to power the atomization assembly 100 according to the airflow changes detected by the airflow sensor, so that the atomization assembly 100 is atomized to generate an aerosol. Specifically, the atomization assembly 100 and the battery assembly 200 can be integrally arranged or detachably connected, and are designed according to specific needs.

[0040] See also Figure 2 , the atomization assembly 100 provided in the present application includes a heating element assembly 10, an atomization tube 20, and a mounting seat 30. Among them, the atomization tube 20 has a liquid storage chamber 21, an atomization channel 25 and a receiving chamber 26. Specifically, a nozzle portion 24 is formed at one end of the atomization tube 20. The nozzle portion 24 is connected to the atomization channel 25, the liquid storage chamber 21 is arranged around the atomization channel 25, and the receiving chamber is located on the side of the liquid storage chamber away from the nozzle portion 24. The liquid storage chamber 21 is used to store liquid aerosol generating matrix. The atomization tube 20 can be made of metal such as aluminum and stainless steel, or it can be made of plastic, as long as it can store the liquid aerosol generating matrix and does not react with it to cause it to deteriorate; the shape and size of the liquid storage chamber 21 are not limited and can be designed as needed. The heating element assembly 10 and the mounting seat 30 are arranged in the accommodating cavity 26, and the liquid storage cavity 21 is sealed; or, it can also be understood that the atomizing tube 20, the heating element assembly 10 and the mounting seat 30 cooperate to enclose and form the liquid storage cavity 21. One end of the heating element assembly 10 is connected to the atomizing channel 25, which is used to introduce the heated and atomized liquid aerosol matrix into the user's mouth, and the other end of the heating element assembly 10 is fixed to the mounting seat 30. In order to prevent the liquid storage cavity 21 from leaking and affecting the heating element assembly 10, a first sealing member 22 is provided at the connection between the heating element assembly 10 and the atomizing tube 20; in order to prevent the heating element assembly 10 from leaking, a second sealing member 23 is provided at the connection between the heating element assembly 10 and the mounting seat 30. The materials of the first sealing member 22 and the second sealing member 23 can be silicone or rubber.

[0041] The mounting seat 30 may include a mounting top seat 31 and a mounting base 32. The mounting top seat 31 and the mounting base 32 may be connected via a snap-fit ​​structure. For example, a protrusion may be provided on the mounting top seat 31, and a slot may be provided on the mounting base 32; or a protrusion may be provided on the mounting base 32, and a slot may be provided on the mounting top seat 31. The mounting seat 30 may be made of plastic, ceramic, stainless steel or other alloys, as long as it can play a supporting role; the shape and size of the mounting seat 30 are not limited and may be designed as required. Specifically, a mounting hole is provided on the mounting seat 30, and the mounting hole is used to set an ejector pin 33; the mounting hole passes through the mounting base 32 and partially extends to the mounting top seat 31, and the heating element assembly 10 is electrically connected to the battery assembly 200 via the ejector pin 33. In one specific embodiment, an opening is provided on one side of the mounting base 32 away from the liquid storage chamber 21, a magnetic element 34 is provided in the opening, and the atomizer assembly 100 is connected to the battery assembly 200 by magnetic attraction; in another specific embodiment, the atomizer assembly 100 and the battery assembly 200 are connected by a snap-fit ​​structure.

[0042] See also Figure 3 , which is a cross-sectional view of the first embodiment of the heating element assembly 10 provided in the present application. The heating element assembly 10 includes a liquid inlet pipe 11, a liquid guide layer 12, a heating element 13, a heating seat 14 and a magnet 15. The liquid guide layer 12 is fixed by the liquid inlet pipe 11 and the heating seat 14, the magnet 15 is spaced apart from the heating element 13, and the heating element 13 is arranged in contact with the surface of the liquid guide layer 12.

[0043] See also Figure 4 The liquid inlet tube 11 is a hollow cylindrical structure, and has a plurality of first through holes 111 on the side wall of the liquid inlet tube 11. The heating element assembly 10 is arranged inside the atomizing tube 20, and the first through hole 111 is connected to the liquid storage chamber 21. The liquid aerosol generating matrix in the liquid storage chamber 21 enters the liquid inlet tube 11 through the first through hole 111. In this embodiment, the liquid inlet tube 11 can be made of metal such as aluminum and stainless steel, or can be made of plastic, as long as it does not react with the aerosol generating matrix to cause it to deteriorate. The shape and size of the liquid inlet tube 11 are not limited. In a specific embodiment, the liquid inlet tube 11 is a hollow cylindrical structure, and four first through holes 111 are arranged at equal intervals along the circumference of the liquid inlet tube 11.

[0044] See also Figure 5, the heating seat 14 is connected to the liquid inlet pipe 11 to fix the liquid conducting layer 12. Specifically, the heating seat 14 can be completely accommodated inside the liquid inlet pipe 11 and abut against the inner wall of the liquid inlet pipe 11; the heating seat 14 can also be partially accommodated inside the liquid inlet pipe 11 and partially arranged outside the liquid inlet pipe 11. In one embodiment, the heating seat 14 includes a heating base 141 and a support body 142. The heating base 141 and the support body 142 are both cylindrical. The support body 142 is a hollow column and has a second through hole 143 and a pouring groove 144, and the second through hole 143 and the pouring groove 144 are respectively connected to the first through hole 111. Specifically, the two second through holes 143 and the two pouring grooves 144 are alternately arranged along the circumference of the support body 142. Specifically, the size and shape of the first through hole 111, the second through hole 143 and the pouring groove 144 can be set according to actual needs, and are not limited here.

[0045] The support body 142 is accommodated in the liquid inlet pipe 11, and part of the heating base 141 is accommodated in the liquid inlet pipe 11, and one end of the liquid inlet pipe 11 close to the heating base 141 is interference fit with the heating base 141. In one embodiment, the heating base 141 has a first flange 1411 and a second flange 1412, and the second flange 1412 is arranged on a side of the first flange 1411 close to the support body 142, and the distance between the second flange 1412 and the side wall of the support body 142 is smaller than the distance between the first flange 1411 and the side wall of the support body 142, that is, the diameter of the second flange 1412 is smaller than the diameter of the first flange 1411, and one end of the liquid inlet pipe 11 close to the heating base 141 is sleeved with the side wall of the first flange 1411 and abuts against the first flange 1411, and one end of the liquid inlet pipe 11 close to the heating base 141 is interference fit with the second flange 1412.

[0046] The liquid guiding layer 12 is disposed inside the liquid inlet pipe and is arranged in close contact with the liquid inlet pipe 11, and is used to store the liquid aerosol generating matrix flowing in through the first through hole 111, and guide the liquid aerosol generating matrix to the heating element 13. In one embodiment, the liquid guiding layer 12 includes a first liquid guiding layer 121 and a second liquid guiding layer 122, the first liquid guiding layer 121 is used for ventilation and controlling the negative pressure of the liquid storage chamber 21, and the second liquid guiding layer 122 is used for oil guiding and oil storage. The material of the liquid guiding layer 12 can be cotton rope or fiber rope.

[0047] Specifically, the first liquid conducting layer 121 is arranged between the liquid inlet tube 11 and the support body 142 and abuts against the second flange 1412. The second liquid conducting layer 122 is arranged on the side of the support body 142 away from the liquid inlet tube 11 and covers the second through hole 143 and the pouring groove 144. The liquid aerosol generating matrix in the liquid storage chamber 21 flows into the second liquid conducting layer 122 after passing through the first through hole 111, the first liquid conducting layer 121, the second through hole 143 or the pouring groove 144, and then is heated by the heating element 13 that is attached to the liquid conducting layer 12 to be atomized to generate aerosol, and finally is introduced into the user's mouth through the atomization channel 25.

[0048] The heating element 13 is fitted on the side of the liquid-conducting layer 12 away from the liquid inlet pipe 11, and is used to heat the liquid aerosol stored on the atomized liquid-conducting layer 12 to generate a matrix; that is, the heating element 13 is arranged on the inner surface of the liquid-conducting layer 12. Specifically, the material of the heating element 13 can be non-ferromagnetic materials such as gold, silver, copper, platinum, and aluminum, or ferromagnetic materials such as iron, nickel-chromium-iron alloy, and nickel-based corrosion-resistant alloy. The shape of the heating element 13 can be a grid mesh such as a long strip or an S shape, which is not limited here, and can be specifically designed according to actual conditions. In other embodiments, the heating element 13 is arranged on the outer surface of the liquid-conducting layer 12, and the structure of the heating element assembly 10 is changed accordingly, so that the atomized liquid matrix can be generated.

[0049] The magnet 15 is used to provide a magnetic field, and the heating element 13 is arranged in the magnetic field so that the heating element 13 is subjected to a radial magnetic attraction force or electromagnetic force toward the liquid guiding layer 12 in the magnetic field, and is closely attached to the liquid guiding layer 12, thereby preventing the heating element 13 from dry burning during the heating and atomization process, affecting the user's smoking experience and reducing the service life of the heating element 13 and the liquid guiding layer 12.

[0050] In one embodiment, the material of the heating element 13 may also be a ferromagnetic material. There is a magnetic attraction between the heating element 13 and the magnet 15, and under the action of the magnetic attraction, the heating element 13 is subjected to a magnetic attraction radially toward the liquid guide layer 12. Specifically, the positional relationship between the magnet 15 and the heating element 13 is not limited, as long as the heating element 13 is subjected to a magnetic attraction radially toward the liquid guide layer 12.

[0051] In another embodiment, the material of the heating element 13 is a non-ferromagnetic material, and the heating element 13 in the magnetic field generates an electromagnetic force perpendicular to the direction of the magnetic field when it is powered on. Specifically, electromagnetic force, also known as electrostatic force, is the general term for the force exerted on electric charge and current in the electromagnetic field. The direction of the magnetic field force can be determined by the left-hand rule, that is, open the left hand, with four fingers perpendicular to the thumb, let the magnetic field lines pass through the palm, and the four fingers point to the direction of the current, then the thumb points to the direction representing the electromagnetic force. In the specific assembly process, according to the left-hand rule, the magnet 15 determines the direction of the magnetic field during installation, and the current direction of the heating element 13 is adjusted according to the direction of the magnetic field. When the magnetic field direction is axially upward along the length direction of the heating element assembly 10, the current direction is set to counterclockwise; when the magnetic field direction is axially downward along the length direction of the heating element assembly 10, the current direction is set to clockwise. So that the heating element 13 in the powered state is subjected to electromagnetic force radially toward the second liquid-conducting layer 122. In a specific embodiment, the magnetization direction of the magnet 15 is parallel to the axial direction of the liquid-conducting layer 12; wherein, the magnetization direction of the magnet 15 is the direction of the magnetic field inside the magnet 15. The direction of the magnetic field outside the magnet 15 is from the N pole to the S pole, and the direction of the magnetic field outside the magnet 15 is different at different positions. At the location of the heating element 13, the external magnetic field direction of the magnet 15 is parallel to the axial direction of the liquid-conducting layer 12. At this time, the current direction of the heating element 13 is along the circumferential direction of the liquid-conducting layer 12; when the heating element 13 is energized, the heating element 13 is subjected to an electromagnetic force radially toward the liquid-conducting layer 12. Specifically, the positional relationship between the magnet 15 and the heating element 13 is not limited, as long as the heating element 13 is subjected to an electromagnetic force radially toward the liquid-conducting layer 12.

[0052] In some specific embodiments, the magnet 15 can be accommodated inside the liquid inlet tube 11. The magnet 15 can also be arranged outside the liquid inlet tube 11, for example, sleeved on the outside of the liquid inlet tube 11 or fixed on the inner surface of the atomization tube 20. Specifically, the magnet 15 can be one and annular; or the magnet 15 includes multiple sub-magnets, for example, multiple sub-magnets are spaced and arranged around the liquid inlet tube, and for example, the multiple sub-magnets are arranged closely and around the liquid inlet tube 11.

[0053] In one embodiment, the material of the heating element 13 is copper, and the magnet 15 is an annular permanent magnet, which is accommodated in the liquid inlet pipe 11 and is arranged at one end of the heating seat 14 away from the heating base 141; the magnetic field direction of the magnet 15 is along the height direction of the heating element assembly 10, that is, axially toward the suction nozzle 24. The current direction of the heating element 13 is counterclockwise. When the user sends a suction signal, the heating element 13 is energized to heat the liquid aerosol to generate a matrix. Under the action of the magnetic field, the heating element 13 in the energized state is subjected to an electromagnetic force radially toward the second liquid-conducting layer 122, and the other side of the second liquid-conducting layer 122 is also supported by the support body 142. Under the action of the electromagnetic force of the heating element 13 and the support force of the support body 142, the second liquid-conducting layer 122 is closely arranged with the heating element 13, thereby preventing the dry burning phenomenon caused by insufficient contact between the two, and ensuring that the liquid aerosol is heated and atomized sufficiently.

[0054] In another embodiment, the magnet 15 is arranged on the outside of the liquid inlet tube. It can be arranged in contact with the outer surface of the liquid inlet tube 11, or it can be arranged at a distance from the outer surface of the liquid inlet tube 11. It is only necessary to enable the heating element 13 to be subjected to radial magnetic attraction or electromagnetic force toward the second liquid guiding layer 122 in the magnetic field.

[0055] See also Figure 6 The magnet 15 is a ring-shaped permanent magnet, which is sleeved on the outer surface of the liquid inlet pipe 11. The magnet 15 can be directly fixed on the liquid inlet pipe 11, or it can be fixed by engaging with the liquid inlet pipe 11 through the tube wall of the atomizing pipe 20. It can be understood that the magnet 15 is arranged on the outer surface of the liquid inlet pipe 11, and the magnet 15 can be integrated with the liquid inlet pipe 11 and replaced together, or the magnet 15 can also be detachably connected to the liquid inlet pipe 11. When the service life of the heating element 13 or the liquid guide layer 12 ends, only the liquid inlet pipe 11 and its internal components can be extracted without replacing the magnet 15, which increases resource utilization and saves costs.

[0056] See also Figure 7 In another embodiment, the magnet 15 is an annular permanent magnet, which is sleeved outside the liquid inlet pipe 11. The magnet 15 includes a first sub-magnet 151 and a second sub-magnet 152, which are used to increase the magnetic field strength near the heating element 13. The first sub-magnet 151 and the second sub-magnet 152 are sleeved outside the liquid inlet pipe 11, and the N poles and S poles of the first sub-magnet 151 and the second sub-magnet 152 are arranged opposite to each other, so as to generate a magnetic field parallel to the axial direction of the heating element assembly 10. Specifically, the first sub-magnet 151 and the second sub-magnet 152 are both annular permanent magnets.

[0057] Further, a support frame 16 is also provided between the first sub-magnet 151 and the second sub-magnet 152, for supporting and separating the first sub-magnet 151 and the second sub-magnet 152, and preventing the first sub-magnet 151 and the second sub-magnet 152 from being attracted together due to excessive magnetic attraction. The support frame 16 is a magnetically conductive material, so that a magnetic field parallel to the axial direction of the heating element assembly 10 is generated between the first sub-magnet 151 and the second sub-magnet 152. Specifically, by changing the height of the support frame 16, the distance between the first sub-magnet 151 and the second sub-magnet 152 can be changed, thereby changing the magnetic field strength near the heating element 13. When the height of the support frame 16 is smaller, the magnetic field is more concentrated, and the electromagnetic force on the heating element 13 is greater. Preferably, the interval between the first sub-magnet 151 and the second sub-magnet 152 is 2mm-10mm. The support frame 16 is a hollow ring, sleeved on the outer surface of the liquid inlet pipe 11, and has a connecting hole arranged corresponding to the first through hole 111.

[0058] See also Figure 8 , is a cross-sectional view of the fourth embodiment of the heating element assembly 10 provided by the present application, which is basically the same as the structure of the first embodiment of the heating element, except that the setting mode of the magnet 15. In the second embodiment of the heating element assembly 10, the material of the liquid inlet pipe 11 and / or the heating seat 14 includes a permanent magnet or a magnetizable material, which is used as the magnet 15 to generate a magnetic field. The material of the heating element 13 is a non-ferromagnetic material such as gold, silver, copper, platinum, aluminum, etc., and is subjected to an electromagnetic force radially toward the second liquid-conducting layer 122 when powered on. The material of the heating element 13 can also be a ferromagnetic material such as iron, nickel-chromium-iron alloy, and nickel-based corrosion-resistant alloy. There is a magnetic attraction between the heating element 13 and the liquid inlet pipe 11 and / or the heating seat 14, and under the action of the magnetic attraction, the heating element 13 is subjected to a magnetic attraction radially toward the second liquid-conducting layer 122. In this embodiment, the liquid inlet pipe 11 and / or the heating seat 14 are used as magnets, which can avoid adding a magnet 15 part alone, which simplifies the manufacturing process and saves costs. Furthermore, in this embodiment, the relative positional relationship among the liquid inlet tube 11, the liquid guide layer 12, the heating element 13, and the heating seat 14, and their respective configurations are the same as those in the first embodiment and will not be described in detail.

[0059] In one embodiment of the present application, the current output by the battery assembly 200 is adjustable. Specifically, the battery outputs an adjustable current through a control circuit board to power the atomizer assembly 100, so that the magnitude of the magnetic field force exerted on the heating element 13 is controllable.

[0060] The beneficial effects of the present application are different from those of the prior art. The heating element assembly 10 provided by the present application provides a magnetic field for the heating element 13 by arranging a magnet 15 near the heating element 13, so that the heating element 13 is subjected to an electromagnetic force or a magnetic attraction force radially toward the liquid guiding layer 12. Under the action of the electromagnetic force or the magnetic attraction force, the heating element 13 is tightly attached to the liquid guiding layer 12, so that the heating element 13 is in full contact with the liquid guiding layer 12, thereby ensuring sufficient liquid supply and avoiding the dry burning problem caused by insufficient liquid supply.

[0061] The above description is only an implementation method of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A heating element assembly, characterized in that: include: A liquid conducting layer for storing and transporting the aerosol generating matrix; The liquid-conducting layer is in the shape of a hollow column; A heating element, disposed on the inner surface or the outer surface of the liquid-conducting layer, for atomizing the aerosol-generating matrix; A magnet, used to provide a magnetic field so that the heating element is subjected to an electromagnetic force toward the liquid-conducting layer; Among them, the magnetization direction of the magnet is parallel to the axial direction of the liquid-conducting layer; at the location of the heating element, the magnetic field direction of the magnet is parallel to the axial direction of the liquid-conducting layer; the current direction of the heating element is along the circumference of the liquid-conducting layer, and when the heating element is energized, the heating element is subjected to an electromagnetic force radially toward the liquid-conducting layer.

2. The heating element assembly according to claim 1, characterized in that: The heating element includes a non-ferromagnetic material, and when the heating element is powered on, the heating element is subjected to an electromagnetic force directed toward the liquid-conducting layer.

3. The heating element assembly according to claim 1, characterized in that: Also includes: A liquid inlet pipe, wherein the liquid guide layer is arranged on the inner surface of the liquid inlet pipe; A heating seat, wherein the heating seat cooperates with the liquid inlet pipe to fix the liquid guide layer; Wherein, the heating element is arranged around the inner surface of the liquid guiding layer.

4. The heating element assembly according to claim 3, characterized in that: The material of the liquid inlet pipe and / or the heating seat includes a magnetizable material, and the liquid inlet pipe and / or the heating seat serve as the magnet.

5. The heating element assembly according to claim 3, characterized in that: The heating seat comprises a base and a support body arranged on the base; the liquid inlet pipe is sleeved on the support body and abuts against the base.

6. The heating element assembly according to claim 5, characterized in that: The liquid guiding layer comprises a first liquid guiding layer and a second liquid guiding layer; the first liquid guiding layer is arranged between the liquid inlet tube and the support body, and the second liquid guiding layer is arranged on a side of the support body away from the liquid inlet tube.

7. The heating element assembly according to claim 5, characterized in that: One end of the liquid inlet pipe is sleeved on the outer surface of the base and is interference fit with the base.

8. An atomizing assembly, characterized in that: include: An atomizing tube having a containing cavity; A heating element assembly is disposed in the accommodating cavity; Wherein, the heating element assembly is the heating element assembly as described in any one of claims 1 to 7.

9. An electronic atomization device, characterized in that: include: An atomizing assembly, wherein the atomizing assembly comprises a heating element assembly, and the heating element assembly is the heating element assembly according to any one of claims 1 to 7; The battery assembly is used to control the operation of the atomization assembly.

10. The electronic atomization device according to claim 9, characterized in that: The current output by the battery assembly is adjustable.

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