CN221330255U - Aerosol generating device and power supply assembly thereof - Google Patents

Abstract

The utility model relates to the technical field of aerosol generating devices, in particular to a power supply assembly of an aerosol generating device, which is convenient to assemble. In the power supply assembly of the aerosol generating device, the bin side wall of the wiring bin of the battery support is provided with a mounting opening, the size of the mounting opening is enough to enable a battery conducting piece and an output conducting piece to pass through, when the power supply assembly is mounted, the circuit board, a battery electrode wire, an electrode output wire, the battery conducting piece and the output conducting piece can be connected together in advance, the battery conducting piece and the output conducting piece can be mounted in the wiring bin and then connected with the circuit board, and the mounting mode is more in selectable use, so that the problem that the mounting mode is single due to small mounting space of the conventional aerosol generating device is solved.

Description

Aerosol generating device and power supply assembly thereof

Technical Field

The utility model relates to the technical field of aerosol generating devices, in particular to a power supply assembly of an aerosol generating device.

Background

Current aerosol-generating devices comprise a nebulizer and a power supply assembly, the nebulizer comprising a heating element for heating an aerosol-generating substrate to generate an aerosol. Aerosol-generating substrates are of both the aerosol-generating oil and aerosol-generating rod types. The power supply assembly comprises a battery, a battery support and a circuit board, and the battery can supply power for the heating element of the atomizer. The positive electrode of the battery is led to the circuit board through the positive electrode conductive piece and the positive electrode wire of the battery, then led to the positive electrode output conductive piece through the positive electrode output wire from the circuit board, and similarly, the negative electrode of the battery is led to the circuit board through the negative electrode conductive piece and the negative electrode wire of the battery, and then led to the negative electrode output conductive piece through the negative electrode output wire from the circuit board. The battery is provided with a wiring bin, and the anode output conductive piece, the cathode output conductive piece, the battery anode conductive piece and the battery cathode conductive piece are all configured in the wiring bin. At present, when anodal output line, negative pole output line, battery positive line and battery negative pole line are in the installation, because the restriction of installation space, need install battery anodal electrically conductive piece, battery negative pole electrically conductive piece, anodal output electrically conductive piece and negative pole output electrically conductive piece in the wiring storehouse of battery support earlier, then draw forth the wire from the wiring storehouse, connect to on the circuit board, the mounting means that aerosol generating device of this kind of structure allows is single, is difficult to satisfy diversified demand.

Disclosure of utility model

The utility model provides an aerosol generating device, which is used for solving the problem that the prior aerosol generating device has single mounting mode.

In addition, the utility model also aims to provide a power supply assembly of the aerosol-generating device.

In a first aspect, an embodiment provides a power supply assembly for an aerosol-generating device comprising:

The battery bracket is provided with a battery compartment and a wiring compartment positioned at the top of the battery compartment;

A battery conductive member for conducting electricity with an electrode of the battery;

The output conductive piece is led out from the top of the wiring bin and is used for conducting electricity with a heating piece of the aerosol generating device;

The circuit board is fixed on the battery bracket;

One end of the battery electrode wire is arranged in the wiring bin and connected with the battery conducting piece, and the other end of the battery electrode wire is connected with the circuit board;

One end of the electrode output line is arranged in the wiring bin and connected with the output conductive piece, and the other end of the electrode output line is connected with the circuit board;

The bin side wall of the wiring bin is provided with a mounting opening, one side surface of the circuit board faces the mounting opening, the mounting opening can enable the battery conducting piece and the output conducting piece to pass through, and the electrode output line and the battery electrode line pass through the mounting opening.

Further, in one embodiment, the top opening of the mounting opening is arched in a direction toward the top of the battery holder.

Further, in one embodiment, the battery support has a mounting bin, the mounting bin is communicated with the wiring bin, the mounting port is located at a position where the mounting bin is communicated with the wiring bin, the mounting bin has a mounting bin side opening facing the circuit board, and at least one element on the circuit board extends into the mounting bin.

Still further, in one embodiment, the mounting port has a top port edge, the mounting-bin-side opening and the mounting port share the top port edge, and the top port edge arches toward the top of the battery holder.

In a further embodiment, the power supply assembly includes an operation key bracket, on which at least one operation key is mounted, the operation key bracket covering the circuit board and covering the mounting-bin-side opening; the top opening edge comprises an arched portion, and at least one of the left side and the right side of the arched portion is provided with a fixing hole for fixing the operation key support.

Further, in one embodiment, the power supply assembly includes a key holder, on which at least one key is mounted, the key holder covering the circuit board and covering the mounting-bin-side opening.

Further, in one embodiment, a positioning groove is formed at the opening edge of the mounting bin side opening, and the operation key support is provided with a positioning protrusion inserted into the positioning groove.

Further, in one embodiment, the battery electrode wire and the electrode output wire are welded on a side of the circuit board facing the wiring bin.

Further, in one embodiment, the battery support includes a partition separating the battery compartment from the wiring compartment; the battery conductors are disposed through the separator.

In a second aspect, an embodiment provides an aerosol-generating device comprising a power supply assembly and a nebulizer, the nebulizer comprising a heating element for nebulizing an aerosol-generating substrate, the power supply assembly supplying power to the heating element, the power supply assembly being the power supply assembly according to any one of the embodiments of the first aspect.

According to the aerosol generating device of the embodiment, in the power supply assembly of the aerosol generating device, the bin side wall of the wiring bin of the battery support is provided with the mounting opening, the size of the mounting opening is enough to enable the battery conducting piece and the output conducting piece to pass through, when the power supply assembly is mounted, the circuit board, the battery electrode wire, the electrode output wire, the battery conducting piece and the output conducting piece can be connected together in advance, the battery conducting piece and the output conducting piece can be mounted in the wiring bin through the mounting opening, and the battery electrode wire and the electrode output wire can be led out through the mounting opening after the battery conducting piece and the output conducting piece are mounted in the wiring bin and are connected with the circuit board. The power supply assembly can be installed in a plurality of optional modes, so that the problem of single installation mode of the existing aerosol generating device is solved.

Drawings

Fig. 1 is a schematic view of a power supply assembly of an aerosol-generating device according to an embodiment;

Fig. 2 is a cross-sectional view of a power supply assembly of an aerosol-generating device according to an embodiment;

FIG. 3 is a schematic view showing a mounting structure of an operation key holder in one embodiment;

FIG. 4 is a schematic diagram of a mounting structure of a battery holder and a circuit board in one embodiment;

FIG. 5 is a cross-sectional view of a battery holder and circuit board in one embodiment;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a schematic view of a battery holder in one embodiment;

fig. 8 is a state diagram of an embodiment in which the circuit board and the battery conductors are assembled together.

List of feature names corresponding to reference numerals in the figure: 1. a battery holder; 11. a battery compartment; 12. a wiring bin; 121. a mounting port; 1211. a top rim; 12111. an arched portion; 13. a mounting bin; 131. a mounting bin side opening; 132. a fixing boss; 133. screw holes; 14. a fixing hole; 15. a positioning groove; 16. a partition plate; 161. perforating the battery conducting piece; 2. a battery conductive member; 21. a positive electrode conductive member; 22. a negative electrode conductive member; 3. an output conductive member; 31. the positive electrode outputs a conductive piece; 32. a negative electrode output conductive member; 33. a mounting base; 331. a clamping hook; 34. a compression spring; 4. a circuit board; 5. a battery electrode line; 51. a positive electrode line; 52. a negative electrode line; 6. an electrode output line; 7. a battery; 8. a housing; 81. a top cover; 811. an atomizer connecting hole; 82. a bottom cover; 83. a housing; 9. an operation key holder; 91. positioning the bulge; 10. an operation key; 101. an ignition key; 102. pressing a key; 103. an elastic member.

Description of bracketed reference numerals in the drawings: in the bracketed reference numerals in the drawings, features indicated by the reference numerals are features indicated by both numerals in the brackets and numerals outside the brackets.

Detailed Description

The utility model will be described in further detail below with reference to the drawings by means of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present utility model. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, related operations of the present utility model have not been shown or described in the specification in order to avoid obscuring the core portions of the present utility model, and may be unnecessary to persons skilled in the art from a detailed description of the related operations, which may be presented in the description and general knowledge of one skilled in the art.

Furthermore, the described features, operations, or characteristics of the description may be combined in any suitable manner in various embodiments. Also, various steps or acts in the method descriptions may be interchanged or modified in a manner apparent to those of ordinary skill in the art. Thus, the various orders in the description and drawings are for clarity of description of only certain embodiments, and are not meant to be required orders unless otherwise indicated.

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated.

In an embodiment, the aerosol-generating device comprises a power supply assembly and a nebulizer (not shown in the figures), the nebulizer comprising a heating member (not shown in the figures) for atomizing the aerosol-generating substrate, the power supply assembly supplying power to the heating member.

The structure of the atomizer is a mature prior art, and is not described in detail in the embodiment of the present application. In one embodiment, the atomizer generates an aerosol using an aerosol-generating oil (such as tobacco tar). In some other embodiments, the atomizer generates an aerosol using an aerosol-generating rod (such as a cigarette).

Referring to fig. 1 to 8, the power supply assembly includes a battery holder 1, a battery conductive member 2, an output conductive member 3, a circuit board 4 (i.e., PCBA board), a battery electrode wire 5, and an electrode output wire 6. The battery holder 1 has a battery compartment 11 and a connection compartment 12 on top of the battery compartment 11, wherein the battery compartment 11 is used for mounting the battery 7. The battery conducting member 2 is used for conducting electricity with the electrode of the battery 7, and the output conducting member 3 is led out from the top of the wiring bin 12 and is used for conducting electricity with the heating member of the aerosol generating device. The circuit board 4 is fixed on the battery bracket 1, and one side surface of the circuit board 4 faces the wiring bin 12. One end of the battery electrode wire 5 is connected with the battery conducting piece 2 in the wiring bin 12, and the other end is connected with the circuit board 4. One end of the electrode output line 6 is connected with the output conductive piece 3 in the wiring bin 12, and the other end is connected with the circuit board 4. The side wall of the wiring compartment 12 has a mounting opening 121, and the mounting opening 121 enables the battery conductor 2 and the output conductor 3 to pass through, and the electrode output line 6 and the battery electrode line 5 pass through the mounting opening 121. A side surface of the circuit board 4 facing the wiring compartment 12 faces the mounting opening 121.

The size of the mounting opening 121 is satisfied and can make battery conductive piece 2 and output conductive piece 3 pass through, can be like this with battery conductive piece 2 be connected to circuit board 4 through battery electrode line 5 earlier, be connected to circuit board 4 with output conductive piece 3 through electrode output line 6, then make battery conductive piece 2 and output conductive piece 3 pass through mounting opening 121, get into in the wiring storehouse 12, after the installation like this, need not to carry out the operation of being connected battery electrode line 5 and electrode output line 6 respectively with circuit board 4 on battery support 1 again, the requirement to operating space has been reduced, the assembly process has also been simplified simultaneously, and assembly efficiency is improved. Of course, in some cases, it is also possible to use the battery conductor 2 and the output conductor 3 to be mounted in the junction box 12 and then connected to the circuit board 4. The installation mode which can be selected is added, and the problem of single installation mode of the existing aerosol generating device is solved.

In one embodiment, referring to fig. 4, 7 and 8, the battery electrode line 5 includes a positive electrode line 51 and a negative electrode line 52, and the electrode output line 6 includes a positive output line and a negative output line. Referring to fig. 2, the battery conductor 2 includes a positive electrode conductor 21 and a negative electrode conductor 22, a positive electrode wire 51 is connected to the positive electrode conductor 21, and a negative electrode wire 52 is connected to the negative electrode conductor 22. The output conductive member 3 includes a positive output conductive member 31 and a negative output conductive member 32, wherein a positive output line is connected to the positive output conductive member 31 and a negative output line is connected to the negative output conductive member 32.

In fig. 1 to 8, the battery electrode line 5 and the electrode output line 6 are simply drawn, and are merely used to illustrate the line direction, and do not show a specific line shape. In one embodiment, the positive output line is cabled with the negative output line.

In one embodiment, referring to fig. 1 and 2, the power supply assembly includes a housing 8, the housing 8 including a top cover 81, a bottom cover 82, and a housing 83. In this embodiment, the power supply component is a battery box, and the battery 7 in the battery box can be replaced, so that the bottom cover 82 of the battery box is of a flip structure for convenient replacement, and when the battery 7 needs to be replaced, the bottom cover 82 is opened, and the battery 7 is taken out. In one embodiment, the power supply assembly may not include a battery 7, and when the aerosol-generating device is required to be used, the battery 7 may be a dry cell battery. Of course, in some embodiments, the bottom cover 82 of the battery case may not be a flip cover structure, and the rechargeable battery 7 is used as the battery 7, and the battery 7 does not need to be disassembled.

In one embodiment, the junction box 12 is open at the top and the top cover 81 covers the open top of the junction box 12. Specifically, the top cover 81 is a combined structure formed by combining a plurality of parts. In some other embodiments, the top cover 81 may be integrally formed.

In one embodiment, the atomizer is detachable from the power supply assembly, and the atomizer is detachable from the power supply assembly. In order to facilitate the installation of the atomizer, the bottom of the atomizer is provided with a conductive male connector, an output conductive piece 3 of the power supply assembly is a conductive female connector, and after the conductive male connector is connected with the conductive female connector, the output conductive piece 3 is conductive with a heating piece in the atomizer. In some other embodiments, the atomizer may also take the form of an integrated battery compartment, in which case the atomizer is enclosed in the housing 8.

In one embodiment, referring to fig. 1 and 2, the top cover 81 has an atomizer connecting hole 811 for exposing the output conductive member 3, and a conductive male connector on the atomizer is fitted into the atomizer connecting hole 811 to be electrically connected with the conductive female connector.

In order to increase the size of the mounting opening 121, further, in one embodiment, referring to fig. 2 and 5 to 7, the top opening edge 1211 of the mounting opening 121 is arched toward the top of the battery holder 1. Thus, the size of the mounting opening 121 is larger, which is more advantageous for mounting the battery conductor 2 and the output conductor 3. In some other embodiments, the top rim 1211 of the mounting port 121 may also be concave or straight.

To facilitate the mounting of the circuit board 4, in one embodiment, referring to fig. 5 to 7, the battery holder 1 has a mounting chamber 13, the mounting chamber 13 is used for accommodating components on the circuit board 4, the mounting chamber 13 is communicated with the wiring chamber 12, the mounting opening 121 is located at a position where the mounting chamber 13 is communicated with the wiring chamber 12, the mounting chamber 13 has a mounting chamber side opening 131 (referring to fig. 7) facing the circuit board 4, and at least one component on the circuit board 4 extends into the mounting chamber 13. The mounting bin 13 accommodates larger electronic components on the circuit board 4, and facilitates the circuit board 4 to be close to the mounting opening 121, so that the battery electrode wires 5 and the electrode output wires 6 are connected to the circuit board 4 from the mounting opening 121, and wiring is more compact. In addition, the installation bin 13 is communicated with the wiring bin 12, so that the battery bracket 1 is simple in structure and convenient for forming the battery bracket 1. In some other embodiments, the circuit board 4 may be disposed on the side wall of the battery holder 1, where a plurality of bosses are required to be disposed on the battery holder 1 so that the electronic components on the circuit board 4 do not interfere with the side wall of the battery holder 1.

Specifically, referring to fig. 7, a plurality of fixing bosses 132 are provided in the mounting bin 13, screw holes 133 into which screws are screwed are provided in the fixing bosses 132, and the circuit board 4 is fixed to the fixing bosses 132 by the screws.

Still further, in one embodiment, referring to fig. 2 and 7, the mounting-compartment-side opening 131 and the mounting opening 121 share a top opening edge 1211, and the top opening edge 1211 of the mounting opening 121 arches toward the top of the battery holder 1. Thus, the size of the mounting opening 121 is larger, which is more advantageous for mounting the battery conductor 2 and the output conductor 3.

Still further, referring to fig. 2 and 3, in one embodiment, the power supply assembly includes an operation key holder 9, at least one operation key 10 is mounted on the operation key holder 9, and the operation key holder 9 covers the circuit board 4 and covers the mounting-bin-side opening 131.

Specifically, the number and functions of the operation keys 10 are configured according to needs, for example, in one embodiment, the number of the operation keys 10 is two, and the two operation keys 10 are an ignition key 101 and a pressure regulating key 102 respectively, wherein the ignition key 101 is used for controlling on-off of a heating element current, when the heating element needs to be started, the ignition key 101 is operated to start heating the heating element, and when the heating element needs to be closed, the ignition key 101 can be operated to turn off the heating element, and the heating element stops working. The pressure regulating key 102 can regulate the heating power of the heating element according to the requirement, and can be realized by regulating the voltage or current of the heating element.

In one embodiment, referring to fig. 3 and 7, the operating key holder 9 covers the circuit board 4 and covers the mounting-bin-side opening 131. The operation key holder 9 can not only mount the operation keys 10, but also protect the circuit board 4 from being pressed.

In one embodiment, referring to fig. 2 and 6, the top rim 1211 includes an arching portion 12111, and at least one of the left and right sides of the arching portion 12111 has a securing aperture 14 for securing the operating key bracket 9. This makes the space occupied by the fixing hole 14 small, and thus makes it possible to increase the size of the mounting opening 121 as much as possible. In some other embodiments, the securing holes 14 may also be disposed on the upper side of the top rim 1211.

Further, referring to fig. 2 and 4 to 7, in order to facilitate the installation of the operation key holder 9, in one embodiment, the opening edge of the installation chamber side opening 131 has a positioning groove 15, and the operation key holder 9 has a positioning protrusion 91 inserted into the positioning groove 15. Therefore, the positioning effect of the operation key support 9 and the battery support 1 is better, the operation key support 9 is less prone to shaking relative to the battery support 1, and the reliability is better. In some other embodiments, the operation key support 9 may also be positioned by a positioning structure such as a positioning pin and a positioning column, and of course, when the positioning accuracy of the operation key support 9 is not high, the operation key support 9 may also be fixed with the battery support 1 only by a fastening screw.

Specifically, in one embodiment, referring to fig. 7, the positioning groove 15 extends along the opening edge of the mounting bin side opening 131 and is closed in a tail-end manner, and the corresponding positioning protrusion 91 is also in a closed loop shape. This facilitates the positioning and mounting of the operation key holder 9.

Further, in one embodiment, the battery electrode wire 5 and the electrode output wire 6 are soldered to the side of the circuit board 4 facing the junction box 12. In some other embodiments, the battery electrode wire 5 and the electrode output wire 6 may also be fixed to the circuit board 4 by screws.

Further, referring to fig. 2, in one embodiment, the battery support 1 includes a partition 16 separating the battery compartment 11 and the junction compartment 12. The battery conductor 2 is disposed through the separator 16. Referring to fig. 2, the separator 16 has a through hole 161 for a battery conductive member, and the battery conductive member 2 extends into the battery compartment 11 to be in conductive contact with the battery 7. In order to ensure the stability of the conductive contact between the battery conductive member 2 and the battery 7, an elastic member 103 for applying an elastic force to the battery conductive member 2 is further provided in the junction box 12, and the elastic member 103 applies an elastic force to the battery conductive member 2. After the battery 7 is placed in the battery compartment 11, the battery conductive member 2 is lifted up by a distance, so that the elastic member 103 is compressed, and the elastic member 103 continuously applies elastic force to the battery conductive member 2. The elastic member 103 is a spring that abuts between the battery conductor 2 and the top cover 81.

In order to facilitate the installation of the output conductive member 3, the output conductive member 3 includes an installation seat 33, the installation seat 33 is clamped on the battery bracket 1 through a clamping hook 331, and the positive output conductive member 31 and the negative output conductive member 32 are both installed on the installation seat 33. Similarly, in order to facilitate the stable conductive contact between the output conductive member 3 and the male connector on the atomizer, a compression spring 34 is also disposed between the battery holder 1 and the output conductive member 3, so that the output conductive member 3 and the male connector maintain a tight fit relationship to ensure the stable conductive contact.

In one embodiment, the preferred assembly sequence of the power supply unit is: the circuit board 4, the positive electrode wire 51, the negative electrode wire 52, the positive electrode output wire, the negative electrode output wire, the positive electrode conductive piece 21, the negative electrode conductive piece 22, the positive electrode output conductive piece 31 and the negative electrode output conductive piece 32 are assembled together, two ends of the positive electrode wire 51 are respectively welded on the circuit board 4 and the positive electrode conductive piece 21, two ends of the negative electrode wire 52 are respectively welded on the circuit board 4 and the negative electrode conductive piece 22, two ends of the positive electrode output wire are respectively welded on the circuit board 4 and the positive electrode output conductive piece 31, and two ends of the negative electrode output wire are respectively welded on the circuit board 4 and the negative electrode output conductive piece 32. This part of the operation may be done at any other location, such as a dedicated pre-assembly line or pre-assembly platform.

Then the positive electrode output conductive piece 31, the negative electrode output conductive piece 32, the positive electrode conductive piece 21 and the negative electrode conductive piece 22 pass through the mounting opening 121, the positions of the wires are arranged, and the circuit board 4, the output conductive piece 3, the positive electrode conductive piece 21 and the negative electrode conductive piece 22 are mounted without welding the wires on the battery bracket 1.

In addition to the above preferred assembly mode, another assembly mode may be adopted, in which the circuit board 4, the positive electrode wire 51, the negative electrode wire 52, the positive electrode conductive member 21 and the negative electrode conductive member 22 are assembled together, two ends of the positive electrode wire 51 are welded to the circuit board 4 and the positive electrode conductive member 21 respectively, and two ends of the negative electrode wire 52 are welded to the circuit board 4 and the negative electrode conductive member 22 respectively.

Then positive pole conducting piece 21, negative pole conducting piece 22 pass through mounting hole 121, put the position of line, install circuit board 4, positive pole conducting piece 21, negative pole conducting piece 22, then install output conducting piece 3, positive pole output line, negative pole output line together, install output conducting piece 3 to battery bracket 1 on, positive pole output line, negative pole output line, pass mounting hole 121, slope circuit board 4, leave the welding space, with positive pole output line and negative pole output line respectively with circuit board 4 welding. The circuit board 4 is then aligned and then fixed to the battery holder 1.

Of course, other assembly methods besides the above assembly method are also possible, such as assembling the positive electrode wire 51, the negative electrode wire 52, the positive electrode conductive member 21, and the negative electrode conductive member 22 together, mounting the battery holder 1, and then welding the positive electrode wire 51 and the negative electrode wire 52 to the circuit board 4 through the mounting opening 121.

In some embodiments of the power supply assembly of the aerosol-generating device, the power supply assembly has the same structure as the power supply assembly described in any of the embodiments above, and will not be described again.

The foregoing description of the utility model has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the utility model pertains, based on the idea of the utility model.

Claims (10)

1. A power supply assembly for an aerosol-generating device, comprising:

The battery bracket is provided with a battery compartment and a wiring compartment positioned at the top of the battery compartment;

A battery conductive member for conducting electricity with an electrode of the battery;

The output conductive piece is led out from the top of the wiring bin and is used for conducting electricity with a heating piece of the aerosol generating device;

The circuit board is fixed on the battery bracket;

One end of the battery electrode wire is arranged in the wiring bin and connected with the battery conducting piece, and the other end of the battery electrode wire is connected with the circuit board;

One end of the electrode output line is arranged in the wiring bin and connected with the output conductive piece, and the other end of the electrode output line is connected with the circuit board;

The bin side wall of the wiring bin is provided with a mounting opening, one side surface of the circuit board faces the mounting opening, the mounting opening can enable the battery conducting piece and the output conducting piece to pass through, and the electrode output line and the battery electrode line pass through the mounting opening.

2. A power supply assembly for an aerosol-generating device according to claim 1, wherein the top opening of the mounting opening is arched in a direction towards the top of the battery holder.

3. A power supply assembly for an aerosol-generating device according to claim 1, wherein the battery holder has a mounting cup which is in communication with the wiring cup, the mounting cup being in a communication position with the wiring cup, the mounting cup having a mounting cup-side opening towards the circuit board, the at least one component on the circuit board extending into the mounting cup.

4. A power supply assembly for an aerosol-generating device according to claim 3, wherein the mounting opening has a top opening edge, the mounting-cartridge-side opening and the mounting opening sharing the top opening edge, the top opening edge being arched in a top direction of the battery support.

5. A power supply assembly for an aerosol-generating device according to claim 4, comprising a key holder on which at least one key is mounted, the key holder housing the circuit board and housing the mounting-bin-side opening; the top opening edge comprises an arched portion, and at least one of the left side and the right side of the arched portion is provided with a fixing hole for fixing the operation key support.

6. A power supply assembly for an aerosol-generating device according to claim 3, comprising a key holder on which at least one key is mounted, the key holder housing the circuit board and housing the mounting-bin-side opening.

7. A power supply assembly for an aerosol-generating device according to claim 5 or 6, wherein the mounting cup side opening has a detent at a rim thereof, and the operating key holder has a detent projection inserted into the detent.

8. A power supply assembly for an aerosol-generating device according to any of claims 1-6, wherein the battery electrode wire and the electrode output wire are soldered to the side of the circuit board facing the junction box.

9. A power supply assembly for an aerosol-generating device according to any of claims 1-6, wherein the battery support comprises a partition separating the battery compartment from the junction compartment; the battery conductors are disposed through the separator.

10. An aerosol-generating device comprising a power supply assembly and a nebulizer, the nebulizer comprising a heating element for nebulizing an aerosol-generating substrate, the power supply assembly supplying power to the heating element, the power supply assembly being a power supply assembly according to any one of claims 1 to 9.