Power supply assembly and atomization device

Abstract

The present application provides a power supply assembly and an atomization device. The power supply assembly comprises a housing, a battery member, and a circuit board. The housing is provided with a mounting compartment, and guide slots are formed on a side wall of the mounting compartment; the battery member comprises a battery body and tabs connected to the battery body, and the battery member is mounted in the mounting compartment; and the circuit board is arranged at an opening of the mounting compartment, and the tabs extend along the guide slots and are electrically connected to the circuit board.

Description

Power supply assembly and atomization device

[0001] Cross-reference to related applications

[0002] The present application claims priority to the Chinese patent application No. 202422375375.8, filed on September 27, 2024, and entitled "Power supply assembly and atomization device", the content of the above application is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0003] The present application relates to the field of atomization technology, in particular to a power supply assembly and an atomization device. BACKGROUND

[0004] The atomization device is internally provided with an atomization substrate, and aerosols are formed by heating the atomization substrate. These aerosols are mixed with air entering the atomization device and then flow out for a user to inhale. In the current market, the battery and the main board are often welded by wires, which has a high welding cost, and the structure of the power supply assembly of the atomization device is not simple enough. SUMMARY

[0005] The present application provides a power supply assembly and an atomization device to improve the assembly efficiency of the power supply assembly.

[0006] The present application provides a power supply assembly, which comprises a housing provided with a mounting groove, a guide structure formed on the side wall of the mounting groove, a battery piece comprising a battery body and a tab connected to the battery body, the battery piece being arranged in the mounting groove, and a circuit board positioned and mounted in the slot of the mounting groove, the guide structure being used to limit at least one of the circuit board or the tab, so that the tab and the circuit board form an electrical connection.

[0007] According to an embodiment of the present application, the guide structure comprises a guide groove, which is used to accommodate and constrain the tab, so that the tab and the circuit board form an electrical connection.

[0008] According to an embodiment of the present application, the tab comprises a first segment and a second segment, one end of the first segment being connected to the battery body, the second segment being bent from the end of the first segment away from the battery body and extending along the guide groove to be electrically connected with the circuit board, the circuit board being provided with a first connecting disc, the first connecting disc being provided with a first connecting groove, the second segment being inserted into the first connecting groove and electrically connected with the first connecting disc.

[0009] According to an embodiment of the present application, the first connecting groove is U-shaped and has a depth, and the depth of the first connecting groove is greater than the diameter of the second segment.

[0010] According to an embodiment of the present application, the guide groove extends from the bottom of the mounting groove to the slot opening, and the second segment is welded to the first connecting disc beyond the guide groove.

[0011] According to an embodiment of the present application, the housing is provided with an external electrode, the external electrode comprises a connecting portion and an external portion, the external portion is exposed outside the housing, and the connecting portion is electrically connected to the circuit board; the circuit board is provided with a second connecting groove, the bottom of the second connecting groove is provided with a second connecting disc, the connecting portion is inserted into the second connecting groove and is electrically connected to the second connecting disc.

[0012] According to an embodiment of the present application, the external electrode further comprises a fixing portion, one end of the connecting portion is connected to the fixing portion, and a turning portion is connected between the other end of the fixing portion and the external portion; the side wall comprises oppositely arranged first and second side walls, the guide groove is located in the first side wall, and the fixing portion is embedded in the second side wall.

[0013] According to an embodiment of the present application, the external portion of the external electrode and the fixing portion are parallel to each other, and the turning portion is perpendicular to the external portion and the fixing portion.

[0014] According to an embodiment of the present application, the mounting groove is provided with a positioning member, the positioning member is formed with a positioning groove, the shape of the positioning groove is matched with the shape of the battery body, and the positioning groove is used for positioning the battery body.

[0015] According to an embodiment of the present application, the positioning member is in a sheet structure and has a U-shaped structure.

[0016] According to an embodiment of the present application, the housing is provided with an air inlet groove on the side away from the circuit board, the air inlet groove is provided with a first air inlet hole and a second air inlet hole, the diameter of the first air inlet hole is greater than that of the second air inlet hole, the first air inlet hole and the second air inlet hole are both in communication with the mounting groove, the air inlet groove is provided with a sliding member, the sliding member is in sliding connection with the housing, and the sliding member is used for switching to block the first air inlet hole or the second air inlet hole.

[0017] According to an embodiment of the present application, a limiting hole is arranged between the first air inlet hole and the second air inlet hole, the sliding member comprises a shielding portion and a limiting portion connected to one side of the shielding portion close to the limiting hole, the limiting portion is in clamping connection with the limiting hole, and the limiting portion can slide along the length direction of the limiting hole.

[0018] The application further provides an atomization device, which comprises the power supply assembly described in the above embodiments, and further comprises an atomization assembly electrically connected with the power supply assembly.

[0019] According to an embodiment of the application, the circuit board is provided with a first through hole, the first through hole is provided with an airflow sensor at one end away from the battery body, a liquid suction member is arranged between the circuit board and the battery body, a partition member is arranged between the liquid suction member and the first through hole, a guide channel is formed between the partition member and the circuit board, a gas guide gap is formed between the circuit board and the side wall, the circuit board is provided with a second through hole, the second through hole is communicated with the mounting groove through the gas guide gap, and the first through hole is communicated with the second through hole through the guide channel.

[0020] According to an embodiment of the application, the circuit board is provided with a bracket at one side away from the battery body, the bracket comprises first and second end portions arranged oppositely, the first end portion is provided with a first recess, the airflow sensor is located in the first recess, the second end portion is provided with a second recess, the bottom of the second recess is provided with a first communication hole communicating the first recess and the second recess, the second end portion is further provided with a third recess communicated with the second recess, the circuit board is provided with a third through hole, the bottom of the third recess is provided with a second communication hole communicating the third recess and the third through hole, one end of the third through hole away from the bracket is provided with the liquid suction member, the position of an atomization channel of the atomization assembly corresponds to the position of the third through hole, the atomization channel is communicated with the third recess, one end of the third recess away from the second communication hole is provided with a third communication hole, the circuit board is provided with a fourth recess, and the third recess is communicated with the mounting groove through the third communication hole and the fourth recess.

[0021] According to an embodiment of the application, the circuit board is provided with a cavity at one side away from the battery member, the cavity comprises a bottom plate, the bottom plate is provided with a positioning hole, the circuit board is provided with a conductive column, the conductive column is inserted into the positioning hole, the bottom plate is further provided with a connecting hole, the cavity is provided with a heating member, a pin of the heating member passes through the connecting hole and is inserted into the positioning hole, and the pin is electrically connected with the conductive column.

[0022] According to an embodiment of the application, the area of the circuit board is smaller than the area of the notch, so that a gas guide gap is formed between the circuit board and the side wall.

[0023] According to an embodiment of the application, one side of the first end portion facing the circuit board is provided with a protruding portion, the second communication hole is formed on the protruding portion, and the protruding portion is inserted into the third through hole.

[0024] According to an embodiment of the present application, the material of the bracket is an elastic material. According to an embodiment of the present application, the cavity is provided with an inner cavity, the inner cavity is located on the side of the bottom plate away from the circuit board, and the side of the bottom plate facing the inner cavity is provided with a gas guide pipe.

[0025] The power supply assembly and the atomization device provided by the present application have a simple structure, the battery piece is electrically connected to the circuit board by using a tab, the wire connection is cancelled, the modular assembly and the automatic assembly welding are facilitated, the welding cost is reduced, and the assembly efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0027] FIG. 1 is a structural schematic diagram of an embodiment of the power supply assembly of the present application;

[0028] FIG. 2 is a cross-sectional schematic diagram of the power supply assembly shown in FIG. 1;

[0029] FIG. 3 is a structural schematic diagram of the shell and the battery piece of the power supply assembly shown in FIG. 1;

[0030] FIG. 4 is a structural schematic diagram of the battery piece shown in FIG. 3;

[0031] FIG. 5 is a structural schematic diagram of the circuit board of the power supply assembly shown in FIG. 1;

[0032] FIG. 6 is a structural schematic diagram of the shell shown in FIG. 3;

[0033] FIG. 7 is an exploded structural schematic diagram of the power supply assembly shown in FIG. 1;

[0034] FIG. 8 is a structural schematic diagram of the external electrode of the power supply assembly shown in FIG. 1;

[0035] FIG. 9 is a structural schematic diagram of the shell shown in FIG. 6 from another angle;

[0036] FIG. 10 is a cross-sectional schematic diagram of the shell and the sliding piece of the power supply assembly shown in FIG. 1;

[0037] FIG. 11 is a structural schematic diagram of an embodiment of the atomization device of the present application;

[0038] FIG. 12 is a cross-sectional schematic diagram of the atomization device shown in FIG. 11;

[0039] FIG. 13 is a cross-sectional schematic diagram of the circuit board and the partition piece of the atomization device shown in FIG. 11;

[0040] Fig. 14 is a schematic view of a partial structure of the atomization device shown in Fig. 11;

[0041] Fig. 15 is a schematic view of a structure of a bracket of the atomization device shown in Fig. 11;

[0042] Fig. 16 is a schematic view of a structure of the bracket shown in Fig. 15 from another angle;

[0043] Fig. 17 is a schematic view of a structure of a cavity of the atomization device shown in Fig. 11;

[0044] Fig. 18 is a schematic view of another partial structure of the atomization device shown in Fig. 11;

[0045] Fig. 19 is a schematic view of a structure of another embodiment of the atomization device of the present application.

[0046] In the drawings, the components represented by the respective reference numerals are listed as follows: power supply assembly 10, housing 110, mounting groove 1101, slot 1102, side wall 111, first side wall 1111, second side wall 1112, guide groove 1103, positioning member 112, positioning groove 1104, air inlet groove 1105, first air inlet hole 1106, second air inlet hole 1107, limiting hole 1108, sliding member 170, shielding portion 171, limiting portion 172, battery member 120, battery main body 121, tab 122, first section 1221, second section 1222, external electrode 140, connecting portion 141, external portion 142, fixing portion 143, turning portion 144, circuit board 130, first connecting disc 131, first connecting groove 1301, second connecting groove 1302, second connecting disc 132, first through hole 1303, airflow sensor 133, air guiding gap 1304, second through hole 1305, third through hole 1306, fourth recess 1307, conductive column 134, partition member 160, guide channel 1601, liquid suction member 150, atomization assembly 20, bracket 210, first end portion 211, first recess 2101, protruding portion 2111, second end portion 212, second recess 2102, third recess 2103, first communication hole 2104, second communication hole 2105, third communication hole 2106, atomization channel 201, cavity 220, bottom plate 221, positioning hole 2201, connecting hole 2202, air guiding pipe 2211, accommodating groove 2204, inner cavity 2203, heating member 230, pin 231, liquid guiding member 240, atomization pipe 250, liquid storage member 260, outer shell 270, end cap 280, suction nozzle 290, suction nozzle cap 291, oil suction member 292, magnetic attraction member 30, backup power supply assembly 40. DETAILED DESCRIPTION

[0047] The application will be described in further detail below with reference to the drawings and embodiments. It is particularly pointed out that the following embodiments are only for illustration of the application and do not limit the scope of the application. Similarly, the following embodiments are only part of the embodiments of the application, and all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the application.

[0048] The terms "first", "second", "third" in the embodiments of the application are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second", "third" can explicitly or implicitly include at least one of the features. In the description of the application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited. All directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly. The terms "include" and "have" and any variations thereof in the embodiments of the application are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units is not limited to the listed steps or units, but can optionally include steps or units not listed, or can optionally include other steps or components inherent to the process, method, product or device.

[0049] In this document, reference to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearance of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it necessarily referring to a particular embodiment that is "preferred" over other embodiments. Those skilled in the art will appreciate that embodiments described herein can be combined with other embodiments.

[0050] In the related art, the battery cell and the main board are often welded with wires. The wire welding has poor virtual welding and false welding, increases the line resistance and additional energy consumption, has high welding cost, and the power supply assembly structure of the atomization device is not simple enough to realize modularized automatic welding and assembly.

[0051] The embodiment of the present application provides a power supply assembly 10, please refer to figures 1-3, the power supply assembly 10 includes a shell 110, a battery piece 120 and a circuit board 130, the shell 110 is provided with a mounting groove 1101, the side wall 111 of the mounting groove 1101 is formed with a guide groove 1103;The battery piece 120 includes a battery main body 121 and a tab 122 connected to the battery main body 121, the battery piece 120 is installed in the mounting groove 1101;The circuit board 130 is arranged at the slot opening 1102 of the mounting groove 1101, the tab 122 extends along the guide groove 1103 and is electrically connected with the circuit board 130.

[0052] In one embodiment, the guide structure includes a plurality of limiting clamping points (not shown in the figure), the plurality of limiting clamping points are arranged protruding from the inner surface of the side wall 111, and the extension direction of the plurality of limiting clamping points is consistent with the guide groove 1103 shown in figure 3, the limiting clamping points can be distributed on both sides of the tab 122, thereby forming a constraint on the tab 122. The guide structure can also use a C-shaped clamp or other limiting structure, which will not be described here.

[0053] In one embodiment, as shown in figure 4, the number of tabs 122 can be two, both of which are located at one end of the battery main body 121, and the tab 122 can include a positive electrode and a negative electrode. The guide groove 1103 can be used to accommodate the tab 122, and can also be used to orient the tab 122, so as to facilitate the automatic welding of the tab 122 and the circuit board 130, thereby improving the assembly efficiency. In some other embodiments, the number of tabs 122 can also be multiple, and the tabs 122 can also be distributed at both ends of the battery main body 121.

[0054] In some embodiments, the tab 122 includes a first section 1221 and a second section 1222, one end of the first section 1221 is connected to the battery main body 121, and the second section 1222 is bent away from the one end of the first section 1221 and extends along the guide groove 1103 to be electrically connected with the circuit board 130. Specifically, the included angle between the first section 1221 and the second section 1222 can be 90 degrees, and the shape of the tab 122 can be L-shaped;

[0055] In some embodiments, as shown in figure 5, the circuit board 130 is provided with a first connecting disc 131, the first connecting disc 131 is provided with a first connecting groove 1301, the second section 1222 is inserted into the first connecting groove 1301 and is electrically connected with the first connecting disc 131. The first connecting groove 1301 can be U-shaped and have a certain depth, and the depth of the first connecting groove 1301 can be greater than the diameter of the second section 1222, so that even if the first section 1221 and the second section 1222 of the tab 122 are bent with deviation, the second section 1222 can also be inserted into the first connecting groove 1301 to realize automatic welding. The material of the first connecting disc 131 and the tab 122 can be copper, iron or other metal materials, and the battery main body 121 can be a capacitive battery.

[0056] In one or more embodiments, as shown in FIG. 6, the number of guide grooves 1103 can match the number of tabs 122, the guide grooves 1103 can extend from the bottom of the mounting groove 1101 to the slot 1102, and the second section 1222 can extend out of the guide groove 1103 and be welded to the first connecting pad 131 at the end away from the first section 1221. The cooperation of the guide grooves 1103 and the tabs 122 eliminates the wire connection, removes the wire resistance, and simplifies the structure of the power supply assembly 10.

[0057] In one embodiment, as shown in FIG. 7 and FIG. 8, the housing 110 is provided with an external electrode 140, the external electrode 140 is at least partially embedded in the housing 110, the external electrode 140 includes a connecting portion 141 and an external portion 142, the external portion 142 is exposed outside the housing 110, and the connecting portion 141 is electrically connected to the circuit board 130. An external power source can be electrically connected to the external portion 142 of the external electrode 140 to charge the battery piece 120 or directly power the atomization assembly 20 of the atomization device.

[0058] In some embodiments, the circuit board 130 is provided with a second connecting groove 1302, the second connecting groove 1302 is provided with a second connecting pad 132 at the bottom, the connecting portion 141 is inserted into the second connecting groove 1302 and electrically connected to the second connecting pad 132, and the connecting portion 141 can be welded together with the second connecting pad 132.

[0059] In some embodiments, the external electrode 140 further includes a fixing portion 143, the connecting portion 141 is connected to one end of the fixing portion 143, a turning portion 144 is connected between the other end of the fixing portion 143 and the external portion 142, the side wall 111 includes oppositely arranged first and second side walls 1111 and 1112, the guide groove 1103 is located in the first side wall 1111, and the fixing portion 143 is embedded in the second side wall 1112.

[0060] In one or more embodiments, the connecting portion 141 of the external electrode 140 can protrude from the slot 1102, the external electrode 140 can be integrally formed with the shell 110, and the length of the connecting portion 141 can be flexibly adjusted to match the position of the circuit board 130. The fixed portion 143 is embedded in the shell 110, which cancels the turning electrode, the turning electrode inserted into the shell 110 has the risk of air leakage, the suction experience is poor, and the assembly position of the turning electrode is determined according to the position of the circuit board 130. In some cases, due to space limitations, internal device limitations cannot meet the design requirements, which is not flexible and difficult to achieve automation. The integrally formed design of the external electrode 140 and the shell 110 makes the connection between the external electrode 140 and the shell 110 more closely, effectively prevents air leakage caused by the external electrode 140 under the premise of meeting the design requirements. At the same time, the connecting portion 141 can be inserted into the second connecting groove 1302, and the cooperation design of the second connecting disc 132 and the external electrode 140 can facilitate welding to achieve automatic assembly.

[0061] In some embodiments, the external portion 142 of the external electrode 140 and the fixed portion 143 can be parallel to each other, and the turning portion 144 can be perpendicular to the external portion 142 and the fixed portion 143, respectively.

[0062] In one embodiment, as shown in FIG. 6, the mounting slot 1101 is provided with a positioning member 112, the positioning member 112 is formed with a positioning groove 1104, the shape of the positioning groove 1104 matches the shape of the battery body 121, and the positioning groove 1104 is used to position the battery body 121.

[0063] In some embodiments, the positioning member 112 can be connected to the side wall 111 and located between the first side wall 1111 and the second side wall 1112. The positioning member 112 can have a sheet-like structure, which can have a U-shaped structure, and the number of positioning members 112 can be one or more. Specifically, the number of positioning members 112 can be two, and the two positioning members 112 are located at both ends of the battery body 121 to position the battery body 121.

[0064] In one embodiment, please refer to FIG. 9 and FIG. 10, the shell 110 is provided with an air inlet groove 1105 away from the circuit board 130, the air inlet groove 1105 is provided with a first air inlet hole 1106 and a second air inlet hole 1107, the diameter of the first air inlet hole 1106 is larger than that of the second air inlet hole 1107, the first air inlet hole 1106 and the second air inlet hole 1107 are in communication with the mounting slot 1101, the air inlet groove 1105 is provided with a sliding member 170, the sliding member 170 is in sliding connection with the shell 110, and the sliding member 170 is used to switch the first air inlet hole 1106 or the second air inlet hole 1107.

[0065] In some embodiments, the first air inlet hole 1106 and the second air inlet hole 1107 are provided with a limiting hole 1108, the sliding piece 170 comprises a shielding part 171 and a limiting part 172 connected to the shielding part 171 near one side of the limiting hole 1108, the limiting part 172 is clamped with the limiting hole 1108, and the limiting part 172 can slide along the length direction of the limiting hole 1108. The limiting part 172 can slide between the first air inlet hole 1106 and the second air inlet hole 1107, so that the shielding part 171 can shield the first air inlet hole 1106 or the second air inlet hole 1107, when the shielding part 171 shields the first air inlet hole 1106, external gas can enter the mounting groove 1101 from the second air inlet hole 1107, when the shielding part 171 shields the second air inlet hole 1107, external gas can enter the mounting groove 1101 from the first air inlet hole 1106, by switching different air inlet hole diameters, the airflow is regulated, and then the suction feeling of the atomization device is adjusted. Specifically, the number of the limiting part 172 and the limiting hole 1108 can both be two.

[0066] The application also provides an atomization device, as shown in FIGS. 11 and 12, which comprises the power supply assembly 10 of the above-mentioned embodiments, and further comprises an atomization assembly 20 electrically connected with the power supply assembly 10. The atomization assembly 20 can heat the atomization substrate by using the electric energy provided by the power supply assembly 10, and form an aerosol in an atomization channel 201 for a user to use.

[0067] In one embodiment, referring to FIGS. 1, 7 and 13, the circuit board 130 is provided with a first through hole 1303, the first through hole 1303 is provided with an airflow sensor 133 at an end away from the battery body 121, the circuit board 130 and the battery body 121 are provided with a liquid suction piece 150 therebetween, the liquid suction piece 150 and the first through hole 1303 are provided with a partition piece 160 therebetween, the partition piece 160 and the circuit board 130 form a guide channel 1601 therebetween, the circuit board 130 and the side wall 111 form a gas guiding gap 1304 therebetween, the circuit board 130 is provided with a second through hole 1305, the second through hole 1305 is communicated with the mounting groove 1101 through the gas guiding gap 1304, and the first through hole 1303 is communicated with the second through hole 1305 through the guide channel 1601.

[0068] In some embodiments, the area of the circuit board 130 is smaller than the area of the notch 1102, so that the gas guiding gap 1304 is formed between the circuit board 130 and the side wall 111.

[0069] The external gas entering the mounting groove 1101 from the first air inlet hole 1106 or the second air inlet hole 1107 can flow to the side of the circuit board 130 away from the mounting groove 1101 through the air guiding gap 1304, and then enter the guide channel 1601 from the second through hole 1305, and then flow along the guide channel 1601 to the airflow sensor 133 through the first through hole 1303. In this way, the airflow sensor 133 and the liquid absorbing member 150 can be isolated, so that the liquid in the liquid absorbing member 150 cannot flow to the airflow sensor 133 through the first through hole 1303, and the airflow sensor 133 is prevented from being damaged. At the same time, the air inlet path of the airflow sensor 133 can be lengthened, so that when the user blows the air in the reverse direction, the aerosol cannot diffuse to the space of the mounting groove 1101 and enter the airflow sensor 133, and the false start of the airflow sensor 133 can be effectively prevented.

[0070] In some embodiments, the airflow sensor 133 can be a microphone, and the airflow sensor 133 can control the power supply state of the power supply assembly 10 to the atomization assembly 20 according to the gas flow state. The material of the liquid absorbing member 150 can be a material with adsorption function. Specifically, the liquid absorbing member 150 can be condensation cotton, which can absorb the condensate water falling from the atomization assembly 20, so as to prevent the battery member 120 from being damaged.

[0071] In one embodiment, as shown in FIGS. 13-15, the side of the circuit board 130 away from the battery body 121 is provided with a bracket 210, and the bracket 210 includes first and second end portions 211 and 212 arranged opposite to each other. The first end portion 211 is arranged close to the circuit board 130, and the second end portion 212 is arranged away from the circuit board 130. The first end portion 211 is provided with a first recess 2101, and the airflow sensor 133 is located in the first recess 2101. The second end portion 212 is provided with a second recess 2102, and the bottom of the second recess 2102 is provided with a first communication hole 2104 communicating the first recess 2101 and the second recess 2102. The second end portion 212 is further provided with a third recess 2103 communicating the second recess 2102. The circuit board 130 is provided with a third through hole 1306, and the bottom of the third recess 2103 is provided with a second communication hole 2105 communicating the third recess 2103 and the third through hole 1306. The end of the third through hole 1306 away from the bracket 210 is provided with a liquid absorbing member 150. The position of the atomization channel 201 of the atomization assembly 20 corresponds to the position of the third through hole 1306, and the atomization channel 201 communicates with the third recess 2103. The condensate water flowing back in the atomization channel 201 can flow to the liquid absorbing member 150 through the second communication hole 2105 and the third through hole 1306 and be adsorbed.

[0072] In some embodiments, the side of the first end portion 211 facing the circuit board 130 can be provided with a protruding portion 2111, and the second communication hole 2105 can be formed on the protruding portion 2111. The protruding portion 2111 can be inserted into the third through hole 1306.

[0073] In some embodiments, the third recess 2103 is provided with a third through hole 2106 away from one end of the second through hole 2105, and the circuit board 130 is provided with a fourth recess 1307, and the third recess 2103 is communicated with the mounting groove 1101 through the third through hole 2106 and the fourth recess 1307.

[0074] The bracket 210 is designed such that the first recess 2101 in which the airflow sensor 133 is accommodated is communicated with the atomization channel 201 through the second recess 2102 and the third recess 2103. When a user uses the atomization device, a low air pressure is generated in the atomization channel 201, and after external gas enters the mounting groove 1101 through the first air inlet hole 1106 or the second air inlet hole 1107, part of the gas can flow into the third recess 2103 through the fourth recess 1307 and the third through hole 2106, and then flow along the third recess 2103 to the atomization channel 201, and the other part of the gas can enter the guide channel 1601 through the air guiding gap 1304 and the second through hole 1305, and then flow along the guide channel 1601 to be sensed by the airflow sensor 133 through the first through hole 1303. The second through hole 2105 is directly opposite the atomization channel 201, so that the condensed water flows to the liquid suction member 150, and the third through hole 2106 is away from the second through hole 2105, so that the condensed water is prevented from directly flowing into the mounting groove 1101.

[0075] In some embodiments, the material of the bracket 210 can be an elastic material, and specifically, the material of the bracket 210 can be silica gel.

[0076] In one embodiment, as shown in FIG. 17, the circuit board 130 is provided with a cavity 220 away from the battery member 120, the cavity 220 includes a bottom plate 221, the bottom plate 221 is provided with a positioning hole 2201, the circuit board 130 is provided with a conductive column 134, the conductive column 134 is inserted into the positioning hole 2201, the bottom plate 221 is further provided with a connecting hole 2202, the cavity 220 is provided with a heating member 230, a pin 231 of the heating member 230 passes through the connecting hole 2202 and then is inserted into the positioning hole 2201, and the pin 231 is electrically connected with the conductive column 134.

[0077] In some embodiments, the bracket 210 can be pressed between the circuit board 130 and the bottom plate 221, the first end portion 211 is pressed on the circuit board 130, and the second end portion 212 is pressed on the bottom plate 221.

[0078] In some embodiments, the bottom plate 221 is provided with an accommodation groove 2204 on a side close to the circuit board 130, and the accommodation groove 2204 is used for accommodating the bracket 210.

[0079] In some embodiments, as shown in FIGS. 12 and 18, the cavity 220 is provided with an inner cavity 2203 located on the side of the bottom plate 221 away from the circuit board 130, and the side of the bottom plate 221 facing the inner cavity 2203 is provided with a gas guide pipe 2211 in communication with the atomization channel 201 and the third groove 2103. The connecting hole 2202 is located outside the gas guide pipe 2211, and the pin 231 is inserted into the positioning hole 2201 from the connecting hole 2202 by bypassing the gas guide pipe 2211.

[0080] In one or more embodiments, the material of the heating element 230 can be a metal alloy material such as nickel-chromium alloy or stainless steel, and the heating element 230 can be a heating wire or a heating net.

[0081] In some embodiments, the heating element 230 can be wrapped with a liquid guide 240, the liquid guide 240 can be wrapped with an atomization tube 250, the atomization channel 201 is formed in the atomization tube 250, and the atomization tube 250 can be wrapped with a liquid storage 260, which is accommodated in the inner cavity 2203. The material of the liquid guide 240 and the liquid storage 260 is a material with adsorption and guidance functions, the liquid guide 240 can be oil guiding cotton, and the liquid storage 260 can be oil storage cotton. The liquid guide 240 can adsorb and guide the atomization substrate stored in the liquid storage 260 to the heating element 230, so that the atomization substrate is heated and atomized to generate aerosol.

[0082] In some embodiments, the end of the liquid storage 260 away from the bottom plate 221 is provided with an end cover 280, the material of the end cover 280 can be an elastic material such as silica gel, and the end cover 280 can be interference fit with the cavity 220 to prevent leakage of the atomization substrate in the liquid storage 260. The cavity 220 can be covered with an outer shell 270, and the outer shell 270 and the cavity 220 can be respectively clamped and fixed with the shell 110. The end of the outer shell 270 away from the shell 110 is inserted with a suction nozzle 290, and the suction nozzle 290 and the end cover 280 are provided with an oil absorbing element 292, which is oil absorbing cotton with adsorption function. The atomization assembly 20 further comprises a suction nozzle cover 291, which can be covered on the suction nozzle 290.

[0083] In some embodiments, as shown in FIGS. 18 and 19, the atomization device can further comprise a backup power supply assembly 40, which can be detachably fixed on the atomization assembly 20 or the power supply assembly 10. Specifically, the outer shell 270 and the shell 110 can be provided with magnetic attraction elements 30, and the backup power supply assembly 40 is also provided with magnetic attraction elements 30 at the corresponding positions, and the detachable connection is realized by the magnetic attraction of the magnetic attraction elements 30, wherein the magnetic attraction elements 30 can be magnets. The backup power supply assembly 40 can charge the battery body 121 through the external electrode 140 when the battery 120 of the power supply assembly 10 is out of power, or directly supply power to the atomization assembly 20 through the external electrode 140.

[0084] The power supply assembly 10 and the atomization device provided by the above embodiments have simple structure. The battery piece 120 can be conveniently installed into the installation groove 1101 through the design of the shell 110 and the tab 122, and the tab 122 is convenient for welding with the circuit board 130. The integrated structure of the external electrode 140 and the shell 110 improves the sealing performance, so that the power supply assembly 10 can realize automatic welding and modular assembly line automatic assembly, which is beneficial to reduce the assembly cost. At the same time, the cooperation design of the bracket 210 and the circuit board 130 and the like effectively avoids the damage of the battery piece 120 and the airflow sensor 133 due to the contact with the condensed water, and effectively prevents the false start of the airflow sensor 133, and improves the assembly efficiency and reliability of the atomization device. Industrial applicability

[0085] The application provides a power supply assembly and an atomization device, which have simple structure, are convenient for assembly and welding, reduce the welding cost, and improve the assembly efficiency.

[0086] In addition, it can be understood that the power supply assembly and the atomization device of the application are reproducible and can be widely applied to the atomization field.

Claims

1. A power supply assembly, characterized by, The application relates to a battery shell. The shell is provided with a mounting groove, and a guide structure is formed on the side wall of the mounting groove. The battery piece comprises a battery body and a tab connected to the battery body, and the battery piece is arranged in the mounting groove. The guide structure comprises a guide groove for accommodating and restricting the tab to form an electrical connection between the tab and the circuit board.

2. The power supply assembly of claim 1, wherein, The tab comprises a first section and a second section, one end of the first section is connected to the battery body, the second section is bent away from one end of the first section away from the battery body and extends along the guide groove to be electrically connected to the circuit board.

3. The power supply assembly of claim 2, wherein, The circuit board is provided with a first connecting disc, the first connecting disc is provided with a first connecting groove, the second section is inserted into the first connecting groove and is electrically connected to the first connecting disc.

4. The power supply assembly of claim 3, wherein, The first connecting groove is U-shaped and has a depth, and the depth of the first connecting groove is greater than the diameter of the second section.

5. A power supply assembly according to claim 3 or 4, wherein, The guide groove extends from the bottom of the mounting groove to the slot, and the end of the second section away from the first section extends out of the guide groove and is welded to the first connecting disc.

6. The power supply assembly of claim 2, wherein, The shell is provided with an external electrode, the external electrode comprises a connecting part and an external part, the external part is exposed outside the shell, and the connecting part is electrically connected to the circuit board.

7. The power supply assembly of claim 6, wherein, The circuit board is provided with a second connecting groove, the bottom of the second connecting groove is provided with a second connecting disc, the connecting part is inserted into the second connecting groove and is electrically connected to the second connecting disc.

8. The power supply assembly of claim 7, wherein, The external electrode further comprises a fixing part, one end of the connecting part is connected to the fixing part, a turning part is connected between the other end of the fixing part and the external part, the side wall comprises a first side wall and a second side wall arranged oppositely, the guide groove is located in the first side wall, and the fixing part is embedded in the second side wall.

9. Power supply assembly according to any of claims 2-8, characterized in that, The external part of the external electrode and the fixing part are parallel to each other, and the turning part is perpendicular to the external part and the fixing part.

10. The power supply assembly of claim 9, wherein, The mounting groove is provided with a positioning piece, the positioning piece is provided with a positioning groove, the shape of the positioning groove is matched with the shape of the battery body, and the positioning groove is used for positioning the battery body.

11. Power supply assembly according to any of claims 2-10, characterized in that, The positioning piece is in a sheet structure and has a U-shaped shape.

12. The power supply assembly of claim 11, wherein, The shell is provided with an air inlet groove away from the circuit board, the air inlet groove is provided with a first air inlet hole and a second air inlet hole, the diameter of the first air inlet hole is greater than that of the second air inlet hole, the first air inlet hole and the second air inlet hole are communicated with the mounting groove, the air inlet groove is provided with a sliding piece, the sliding piece is slidably connected with the shell, and the sliding piece is used for switching the first air inlet hole or the second air inlet hole. The first air inlet hole and the second air inlet hole are provided with a limiting hole, the sliding piece comprises a shielding part and a limiting part connected to one side of the shielding part close to the limiting hole, the limiting part is connected with the limiting hole, and the limiting part can slide along the length direction of the limiting hole.

13. An atomising device characterised in that The atomization device comprises the power supply assembly of any one of claims 1-12, and further comprises an atomization assembly electrically connected with the power supply assembly.

14. The atomization device of claim 13, wherein, The circuit board is provided with a first through hole, and an airflow sensor is arranged at one end of the first through hole away from the battery body; a liquid suction member is arranged between the circuit board and the battery body; a partition member is arranged between the liquid suction member and the first through hole; a guide channel is formed between the partition member and the circuit board; a gas guiding gap is formed between the circuit board and the side wall; the circuit board is provided with a second through hole; the second through hole is communicated with the mounting groove through the gas guiding gap; and the first through hole is communicated with the second through hole through the guide channel.

15. The atomization device of claim 14, wherein, The circuit board is provided with a bracket at one side away from the battery body; the bracket comprises first and second end portions arranged oppositely; the first end portion is provided with a first recess, and the airflow sensor is arranged in the first recess; the second end portion is provided with a second recess; a first communication hole is arranged at the bottom of the second recess to communicate the first recess and the second recess; the second end portion is further provided with a third recess communicated with the second recess; the circuit board is provided with a third through hole; a second communication hole is arranged at the bottom of the third recess to communicate the third recess and the third through hole; the liquid suction member is arranged at one end of the third through hole away from the bracket; the position of an atomization channel of the atomization assembly corresponds to the position of the third through hole; the atomization channel is communicated with the third recess; a third communication hole is arranged at one end of the third recess away from the second communication hole; the circuit board is provided with a fourth recess; and the third recess is communicated with the mounting groove through the third communication hole and the fourth recess.

16. The atomization device of claim 13, wherein, The circuit board is provided with a cavity at one side away from the battery member; the cavity comprises a bottom plate; a positioning hole is arranged on the bottom plate; a conductive column is arranged on the circuit board; the conductive column is inserted into the positioning hole; the bottom plate is further provided with a connecting hole; a heating member is arranged in the cavity; a pin of the heating member passes through the connecting hole and is inserted into the positioning hole, and the pin is electrically connected with the conductive column.

17. The atomizing device of any of claims 13-16, wherein, The area of the circuit board is smaller than the area of the notch, so that a gas guiding gap is formed between the circuit board and the side wall.

18. The atomization device of claim 15, wherein, The first end portion is provided with a protruding portion on the side facing the circuit board; the second communication hole is arranged on the protruding portion; and the protruding portion is inserted into the third through hole.

19. The atomization device of claim 15, wherein, The material of the bracket is an elastic material.

20. The atomizing device of any of claims 16-19, wherein, The cavity is provided with an inner cavity; the inner cavity is located at one side of the bottom plate away from the circuit board; and the bottom plate is provided with a gas guiding pipe on the side facing the inner cavity.

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