Battery assembly and electronic atomization device

Abstract

The application relates to a battery assembly and an electronic atomization device. The battery assembly comprises a battery support and an inserting part. The battery support has a first connecting surface for detachably connecting with an atomization assembly. The inserting part is protruded on the first connecting surface and is provided with a first electrode. When the first connecting surface is connected with the atomization assembly, the inserting part is inserted into the atomization assembly and the first electrode is electrically connected with the atomization assembly. In this way, when the first connecting surface is connected with the atomization assembly, the inserting part protruded on the first connecting surface is inserted into the atomization assembly, so that the first electrode on the inserting part is electrically connected with the atomization assembly. Since the inserting part is inserted into the atomization assembly, the inserting part is limited in the plane of the first connecting surface, which is beneficial to improving the reliability of the electrical connection between the first electrode on the inserting part and the atomization assembly and avoiding the phenomenon that the first electrode cannot normally supply power to the atomization assembly due to poor contact.

Description

Technical Field

[0001] The present invention relates to the field of atomization technology, and in particular to a battery assembly and an electronic atomization device. Background Art

[0002] Electronic atomization devices use an atomizing assembly to atomize an atomizing matrix to produce an aerosol for the user to inhale, thereby obtaining the substance in the aerosol. A battery assembly is used to power the atomizing assembly and control whether the atomizing assembly starts or stops atomizing.

[0003] In the prior art, the battery assembly and the atomizer assembly are docked together by abutting surfaces, with electrodes disposed on the abutting surfaces, thereby achieving electrical connection between the battery assembly and the atomizer assembly, enabling the battery assembly to provide electrical energy to the atomizer assembly. However, this abutting surface approach to docking the battery assembly and the atomizer assembly can easily lead to failure of contact between the electrodes if the connection between the battery assembly and the atomizer assembly is not tight enough or if external forces are applied, resulting in poor contact and an inability to properly power the atomizer assembly. Summary of the Invention

[0004] Based on this, it is necessary to provide a battery assembly and an electronic atomization device that improve the above defects in order to solve the problem that the battery assembly and the atomization assembly are not connected tightly enough or under the action of external force, which may easily lead to failure of the electrode contact between the two.

[0005] A battery assembly includes a battery holder and an inserting portion, wherein the battery holder has a first mating surface for detachably mating with an atomizer assembly, and the inserting portion is protruding from the first mating surface and is mounted with a first electrode;

[0006] When the atomizing assembly is matched to the first matching surface, the inserting portion is inserted into the atomizing assembly, and the first electrode is electrically connected to the atomizing assembly.

[0007] In one embodiment, the inserting portion has a first mating surface intersecting with the first matching surface, and the first electrode is disposed on the first mating surface.

[0008] In one embodiment, the first mating surface is perpendicular to the first connection surface. Thus, since the first electrode and the second electrode of the atomizer assembly have a certain electrical contact area, even if the battery assembly and the atomizer assembly become loose in a direction perpendicular to the first connection surface (i.e., produce slight relative displacement), the first electrode and the second electrode of the atomizer assembly can still maintain electrical contact, thereby improving power supply stability.

[0009] In one embodiment, the battery assembly further includes an airflow sensor mounted on the battery bracket, and the insertion portion is provided with an airflow channel, one end of the airflow channel is used for gas communication with the atomization assembly, and the other end of the airflow channel is used for gas communication with the airflow sensor.

[0010] Thus, when the user draws on the atomizer assembly, the gas in the airflow channel enters the atomizer assembly, thereby forming a negative pressure. Because the airflow channel is in gaseous communication with the airflow sensor, the airflow sensor can detect the presence of airflow in the airflow channel, thereby controlling the battery assembly to power the atomizer assembly via the first electrode. The atomizer assembly atomizes the atomization substrate under the action of the electrical energy provided by the battery assembly, and the aerosol formed by the atomization follows the airflow and is inhaled by the user.

[0011] When the user stops inhaling the atomizer assembly, the gas in the airflow channel stops entering the atomizer assembly, and the negative pressure disappears. At this time, the airflow sensor detects that there is no airflow in the airflow channel, and controls the battery assembly to stop supplying power to the atomizer assembly, causing the atomizer assembly to stop atomizing the atomized substrate.

[0012] In one embodiment, the insertion portion includes a body and a mounting block, the body is protruding from the first mating surface and has a receiving cavity and an opening communicating with the receiving cavity, the mounting block is disposed in the receiving cavity and is mounted on a side facing the opening;

[0013] Wherein, the gap between the inner wall of the accommodating cavity and the outer wall of the mounting block forms the air flow channel.

[0014] In one embodiment, the first matching surface is provided with a magnetic component, and the magnetic component is used to be adsorbed and fixed to the atomization component.

[0015] In one embodiment, the first matching surface is provided with at least two magnetic elements, and the at least two magnetic elements are spaced apart along the length direction of the first matching surface.

[0016] In one embodiment, the inserting portion is located at one end of the first matching surface in the length direction.

[0017] An electronic atomization device includes an atomization assembly and a battery assembly as described in any of the above embodiments.

[0018] In one embodiment, the atomizer assembly has a second mating surface and a plug-in cavity, the second mating surface is used to detachably mate with the first mating surface, the second mating surface is provided with a plug-in opening communicating with the plug-in cavity, and the plug-in cavity is provided with a second electrode;

[0019] When the second mating surface is mated with the first mating surface, the inserting portion is inserted into the inserting cavity through the inserting opening, and the first electrode is in electrical contact with the second electrode.

[0020] The above-mentioned battery assembly and electronic atomization device utilize the first mating surface of the battery holder to mate with the atomization assembly, thereby realizing a detachable connection between the battery assembly and the atomization assembly. Moreover, when the first mating surface is mated with the atomization assembly, the insertion portion protruding on the first mating surface is inserted into the atomization assembly, so that the first electrode on the insertion portion is electrically connected to the atomization assembly. Since the insertion portion is inserted into the atomization assembly, the insertion portion is limited on the plane where the first mating surface is located, which is beneficial to improving the reliability of the electrical connection between the first electrode on the insertion portion and the atomization assembly, and avoiding the phenomenon that the first electrode is poorly contacted and cannot normally power the atomization assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A cross-sectional view of a battery assembly and an atomizer assembly of an electronic atomizer device according to one embodiment of the present invention;

[0022] Figure 2 for Figure 1 A schematic structural diagram of a battery assembly shown;

[0023] Figure 3 for Figure 1 Schematic diagram of the structure of the battery assembly shown. DETAILED DESCRIPTION

[0024] To make the above-mentioned objects, features, and advantages of the present invention more readily apparent, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following description sets forth numerous specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0027] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0028] In the present invention, unless otherwise clearly specified and limited, the term "communication" refers to fluid communication, for example, the fluid can be gas or liquid; it can be direct communication or indirect communication through an intermediate medium.

[0029] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0030] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0031] See also Figure 1 and Figure 2As shown, one embodiment of the present invention provides an electronic atomization device, comprising a battery assembly 10 and an atomization assembly 20 coupled to the battery assembly 10. The battery assembly 10 is electrically connected to the atomization assembly 20 for powering the atomization assembly 20. The atomization assembly 20 utilizes the electrical energy provided by the battery assembly 10 to atomize an atomization substrate and generate an aerosol for inhalation by the user.

[0032] In an embodiment of the present invention, the battery assembly 10 includes a battery holder 11 and an inserting portion 12. The battery holder 11 has a first mating surface 110 for detachably mating with the atomizer assembly 20. The inserting portion 12 is protruding from the first mating surface 110 and is installed with a first electrode 121. When the atomizer assembly 20 is mated to the first mating surface 110, the inserting portion 12 is inserted into the atomizer assembly 20, and the first electrode 121 is electrically connected to the atomizer assembly 20, so that the electrical energy of the battery assembly 10 is transmitted to the atomizer assembly 20 through the first electrode 121, thereby powering the atomizer assembly 20.

[0033] In this way, the first mating surface 110 of the battery holder 11 is mated with the atomizer assembly 20 to achieve a detachable connection between the battery assembly 10 and the atomizer assembly 20. Moreover, when the first mating surface 110 is mated with the atomizer assembly 20, the insertion portion 12 protruding from the first mating surface 110 is inserted into the atomizer assembly 20, so that the first electrode 121 on the insertion portion 12 is electrically connected to the atomizer assembly 20. Since the insertion portion 12 is inserted into the atomizer assembly 20, the insertion portion 12 is limited on the plane where the first mating surface 110 is located, which is beneficial to improving the reliability of the electrical connection between the first electrode 121 on the insertion portion 12 and the atomizer assembly 20, and avoiding the phenomenon that the first electrode 121 has poor contact and cannot normally power the atomizer assembly 20.

[0034] It should be noted that the first electrode 121 is installed on the insertion portion 12, and the insertion portion 12 is inserted into the interior of the atomizer assembly 20. Therefore, compared with the prior art in which the electrode is set on the mating surface, the length of the first electrode 121 can be appropriately shortened while meeting the condition of electrical connection, so as to achieve the effect of saving space and cost.

[0035] In some embodiments, the insertion portion 12 has a first mating surface 124 that intersects with the first mating surface 110, and the first electrode 121 is disposed on the first mating surface 124. When the atomizer assembly 20 is mated to the first mating surface 110, the first mating surface 124 mates with a second mating surface 23 of the atomizer assembly 20, described below, to electrically connect the first electrode 121 to the atomizer assembly 20. In this manner, the insertion portion 12 is positioned by mate with the second mating surface 23 of the atomizer assembly 20, described below, to ensure that the first electrode 121 is electrically connected to the atomizer assembly 20 when the insertion portion 12 is inserted into the atomizer assembly 20.

[0036] Preferably, the first mating surface 110 and the first mating surface 124 are perpendicular to each other. Thus, since the first electrode 121 has a certain electrical contact area with the second electrode 24 of the atomizer assembly 20, even if the battery assembly 10 and the atomizer assembly 20 become loose in a direction perpendicular to the first mating surface 110 (i.e., slightly displaced relative to each other), the first electrode 121 and the second electrode 24 of the atomizer assembly 20 can maintain electrical contact, thereby improving power supply stability.

[0037] Specifically in this embodiment, a first electrode hole (not shown) is defined on the first mating surface 124, and the first electrode 121 is mounted in the first electrode hole. Furthermore, the first electrode 121 includes a first positive electrode and a first negative electrode, and the first electrode holes include a first positive electrode hole and a first negative electrode hole, with the first positive electrode mounted in the first positive electrode hole and the first negative electrode mounted in the first negative electrode hole.

[0038] In some embodiments, the battery assembly 10 further includes an airflow sensor 13 mounted on the battery bracket 11. The insertion portion 12 defines an airflow channel, one end of which is in gaseous communication with the atomizer assembly 20, and the other end of which is in gaseous communication with the airflow sensor 13. Optionally, the airflow sensor 13 may be a microphone.

[0039] Thus, when a user inhales from the atomizer assembly 20, the gas in the airflow channel enters the atomizer assembly 20, thereby creating a negative pressure. Since the airflow channel is in air communication with the airflow sensor 13, the airflow sensor 13 can detect the presence of airflow in the airflow channel, thereby controlling the battery assembly 10 to power the atomizer assembly 20 via the first electrode 121. The atomizer assembly 20 atomizes the atomization substrate under the action of the electrical energy provided by the battery assembly 10, and the aerosol formed by the atomization follows the airflow and is inhaled by the user.

[0040] When the user stops inhaling the atomizer assembly 20, the gas in the airflow channel stops entering the atomizer assembly 20, and the negative pressure disappears. At this time, the airflow sensor 13 detects that there is no airflow in the airflow channel, and controls the battery assembly 10 to stop supplying power to the atomizer assembly 20, causing the atomizer assembly 20 to stop atomizing the atomized substrate.

[0041] It should be noted that the air flow channel is opened on the insertion portion 12, so that the end of the air flow channel connected to the atomization component 20 is higher than the first matching surface 110, so that condensation or leakage will not enter the air flow sensor 13 from the air flow channel, thereby preventing the condensation or leakage from corroding and damaging the air flow sensor 13.

[0042] See Figure 3As shown, specifically in the embodiment, the insertion portion 12 includes a main body 122 and a mounting block 123. The main body 122 is protruding from the first mating surface 110 of the battery holder 11, and has a receiving cavity 1221 and an opening (not marked in the figure) connected to the receiving cavity 1221. The mounting block 123 is arranged in the receiving cavity 1221, and the above-mentioned first electrode 121 is installed on the side facing the opening. The gap structure between the inner wall of the receiving cavity 1221 and the outer wall of the mounting block 123 forms the above-mentioned airflow channel. Optionally, the main body 122 and the battery holder 11 can be integrally formed.

[0043] It should be noted that, Figure 3 In the embodiment shown, the outer wall of the mounting block 123 defines an inwardly recessed airflow groove 1231. When the mounting block 123 is assembled into the accommodating cavity 1221, the inner wall of the accommodating cavity 1221 and the airflow groove 1231 enclose the airflow channel.

[0044] Of course, in another embodiment, the airflow groove 1231 may also be provided on the inner wall of the accommodating chamber 1221. When the mounting block 123 is assembled into the accommodating chamber 1221, the outer wall of the mounting block 123 and the airflow groove 1231 enclose the aforementioned airflow channel. In yet another embodiment, the airflow groove 1231 may also be provided on both the outer wall of the mounting block 123 and the inner wall of the accommodating chamber 1221. When the mounting block 123 is assembled into the accommodating chamber 1221, the airflow groove 1231 on the outer wall of the mounting block 123 and the airflow groove 1231 on the inner wall of the accommodating chamber 1221 together enclose the aforementioned airflow channel.

[0045] It should also be noted that the air flow channel on the insertion portion 12 can be connected to the atomizer assembly 20 in a variety of ways, which are not limited here. For example, in one embodiment, the air flow channel directly extends to the side of the mounting block 123 facing the opening, thereby allowing the air flow channel to be in air communication with the atomizer assembly 20. In another embodiment, the air flow channel extends to the first electrode hole, and a ventilation groove is provided on the inner wall of the first electrode hole, thereby utilizing the ventilation groove to allow the air flow channel to be in air communication with the atomizer assembly 20.

[0046] Specifically, in the embodiment, the battery holder 11 has a mounting slot 112 and a connecting channel 113 connecting the mounting slot 112 with the airflow channel. The mounting slot 112 is used to accommodate the airflow sensor 13. In this way, the connecting channel 113 connects the airflow channel with the mounting slot 112, allowing the airflow sensor 13 to detect the airflow in the airflow channel.

[0047] Specifically in the embodiment, the battery assembly 10 further includes a battery 14, which is mounted on the battery holder 11 and electrically connected to the airflow sensor 13. Thus, when the airflow sensor 13 detects that there is airflow passing through the airflow channel (i.e., when the user inhales), the airflow sensor 13 controls the battery 14 to supply power to the atomizer assembly 20 via the first electrode 121, so that the atomizer assembly 20 uses electrical energy to atomize the atomized matrix. When the airflow sensor 13 detects that there is no airflow passing through the airflow channel (when the user stops inhaling), the airflow sensor 13 controls the battery 14 to stop supplying power to the atomizer assembly 20, so that the atomizer assembly 20 stops atomizing the atomized matrix.

[0048] See Figure 1 and Figure 2 As shown, in some embodiments, the first mating surface 110 is provided with a magnetic member 111, which is used to be adsorbed and fixed to the atomizer assembly 20. In this way, the magnetic member 111 on the first mating surface 110 is adsorbed and fixed to the atomizer assembly 20, thereby achieving the connection between the battery assembly 10 and the atomizer assembly 20.

[0049] Furthermore, the first mating surface 110 is provided with at least two magnetic elements 111, which are spaced apart along the length of the first mating surface 110. Thus, the at least two magnetic elements 111 are simultaneously attracted and fixed to the atomizer assembly 20, thereby improving the bonding strength between the battery assembly 10 and the atomizer assembly 20.

[0050] Furthermore, the insertion portion 12 is located at one end in the length direction of the first matching surface 110, which is beneficial to reducing the impact on the layout of each magnetic attraction component 111 on the one hand, and on the other hand, the insertion portion 12 is offset so that the insertion portion 12 is inserted into the side of the atomizer assembly 20 (that is, the insertion cavity 22 described below is offset), which is beneficial to reducing the impact on the layout of the atomizer core of the atomizer assembly 20.

[0051] See Figure 1 As shown, in an embodiment of the present invention, the atomizer assembly 20 has a second mating surface 21 and an insertion cavity 22. The second mating surface 21 is used to detachably mate with the first mating surface 110. The second mating surface 21 is provided with an insertion opening (not shown) that communicates with the insertion cavity 22. A second electrode 24 is disposed within the insertion cavity 22. When the second mating surface 21 is mated with the first mating surface 110, the insertion portion 12 is inserted into the insertion cavity 22 through the insertion opening, and the first electrode 121 is electrically connected to the second electrode 24.

[0052] Specifically in this embodiment, the second mating surface 21 is provided with a magnetic attraction fitting 25 capable of generating a magnetic attraction with the magnetic attraction member 111, so that the battery assembly 10 and the atomizer assembly 20 are fixed by adsorption of the magnetic attraction fitting 25 to the magnetic attraction fitting 111. It is understandable that the magnetic attraction fitting 25 is provided in a one-to-one correspondence with the magnetic attraction members 111, that is, the number of magnetic attraction fitting 25 and magnetic attraction members is equal.

[0053] Alternatively, the magnetic member 111 may be a magnet, in which case the magnetic fitting member 25 may be a magnet or a substance that can be attracted by a magnet (e.g., an iron block). Of course, in other embodiments, the magnetic member 111 may not be a magnet, but a substance that can be attracted by a magnet (e.g., an iron block), in which case the magnetic fitting member 25 is a magnet.

[0054] Specifically in the embodiment, the atomizer assembly 20 has a second mating surface 23 that serves as part of the inner wall of the insertion cavity 22, and the second electrode 24 is disposed on the second mating surface 23. When the insertion portion 12 is inserted into the insertion cavity 22, the second mating surface 23 is adapted to mate with the first mating surface 124, such that the second electrode 24 on the second mating surface 23 is electrically connected to the second electrode 24 on the first mating surface 124.

[0055] The battery assembly and electronic atomization device of the present invention have at least the following advantages: the battery assembly 10 and the atomization assembly 20 are detachably connected by utilizing the first mating surface 110 of the battery holder 11 to mate with the atomization assembly 20. Moreover, when the first mating surface 110 is mated with the atomization assembly 20, the insertion portion 12 protruding from the first mating surface 110 is inserted into the atomization assembly 20, so that the first electrode 121 on the insertion portion 12 is electrically connected to the atomization assembly 20. Since the insertion portion 12 is inserted into the atomization assembly 20, the insertion portion 12 is limited on the plane where the first mating surface 110 is located, which is beneficial to improving the reliability of the electrical connection between the first electrode 121 on the insertion portion 12 and the atomization assembly 20, and avoiding the phenomenon that the first electrode 121 has poor contact and cannot normally power the atomization assembly 20;

[0056] The first electrode 121 is mounted on the insertion portion 12, and the insertion portion 12 is inserted into the interior of the atomizer assembly 20. Compared with the prior art in which the electrode is arranged on the mating surface, the length of the first electrode 121 can be appropriately shortened while ensuring electrical connection, thereby achieving the effect of saving space and cost.

[0057] The first mating surface 110 and the first matching surface 124 are perpendicular to each other. Since there is a certain electrical contact area between the first electrode 121 and the second electrode 24 of the atomizer assembly 20, even if the battery assembly 10 and the atomizer assembly 20 become loose in a direction perpendicular to the first mating surface 110 (i.e., a slight relative displacement occurs), the first electrode 121 and the second electrode 24 of the atomizer assembly 20 can still maintain electrical contact, thereby improving the stability of power supply.

[0058] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0059] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent for this invention shall be determined by the appended claims.

Claims

1. A battery assembly, characterized in that: The invention comprises a battery holder (11), an inserting portion (12), and an airflow sensor (13) mounted on the battery holder (11); the battery holder (11) has a first mating surface (110) for detachably mating with an atomizing assembly (20); the inserting portion (12) is protruding from the first mating surface (110) and is mounted with a first electrode (121); When the atomizer assembly (20) is mated to the first mating surface (110), the insertion portion (12) is inserted into the atomizer assembly (20), and the first electrode (121) is electrically connected to the atomizer assembly (20); the insertion portion (12) is further provided with an airflow channel, one end of the airflow channel is used for gas communication with the atomizer assembly (20), and the other end of the airflow channel is used for gas communication with the airflow sensor (13); the battery holder (11) has a mounting groove (112) and a connecting channel (113) connecting the mounting groove (112) and the airflow channel, and the mounting groove (112) is used to accommodate the airflow sensor (13).

2. The battery assembly according to claim 1, wherein: The insertion portion (12) has a first matching surface (124) intersecting with the first matching surface (110), and the first electrode (121) is arranged on the first matching surface (124).

3. The battery assembly according to claim 2, wherein: The first mating surface (124) is perpendicular to the first matching surface (110).

4. The battery assembly according to claim 1, wherein: The inserting portion (12) comprises a body (122) and a mounting block (123); the body (122) is protruding from the first matching surface (110) and has a receiving cavity (1221) and an opening communicating with the receiving cavity (1221); the mounting block (123) is disposed in the receiving cavity (1221) and is mounted on a side facing the opening; The gap between the inner wall of the accommodating cavity (1221) and the outer wall of the mounting block (123) forms the airflow channel.

5. The battery assembly according to claim 1, wherein: The first matching surface (110) is provided with a magnetic attraction component (111), and the magnetic attraction component (111) is used to be adsorbed and fixed to the atomization component (20).

6. The battery assembly according to claim 5, characterized in that The first matching surface (110) is provided with at least two magnetic elements (111), and the at least two magnetic elements (111) are spaced apart along the length direction of the first matching surface (110).

7. The battery assembly according to claim 6, characterized in that The insertion portion (12) is located at one end of the first matching surface (110) in the length direction.

8. An electronic atomization device, characterized in that: It comprises an atomizing assembly (20) and a battery assembly (10) according to any one of claims 1 to 7.

9. The electronic atomization device according to claim 8, characterized in that: The atomizing assembly (20) has a second mating surface (21) and a plug-in cavity (22), wherein the second mating surface (21) is used for detachably mating with the first mating surface (110), and a plug-in opening communicating with the plug-in cavity (22) is provided on the second mating surface (21), and a second electrode (24) is provided in the plug-in cavity (22); When the second mating surface (21) is mated with the first mating surface (110), the insertion portion (12) is inserted into the insertion cavity (22) through the insertion opening, and the first electrode (121) is in electrical contact with the second electrode (24).

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