Aerosol generating device, and main unit and atomizer thereof

Abstract

The present application relates to the technical field of aerosol generating devices, and in particular to an aerosol generating device, and a main unit and atomizer thereof. The aerosol generating device comprises a main unit and an atomizer; the main unit comprises a power supply unit and a main unit housing, the power supply unit supplying power to the atomizer; the power supply unit comprises a power supply and a controller, and the power supply outputs a voltage and a current in response to a control signal output by the controller; the atomizer is provided with an atomizer fixing structure, and the power supply unit is provided with a power supply unit fixing structure, the atomizer fixing structure being fixedly connected to the power supply unit fixing structure; the main unit housing is provided with a mounting port, and the mounting port allows the power supply unit and the atomizer to be loaded or withdrawn after being fixedly assembled together; and the main unit housing is internally provided with an atomizer installation space used for accommodating at least part of the atomizer. During assembly of the aerosol generating device of the present application, after the assembly of the atomizer and the assembly of the power supply unit are completed, the atomizer and the power supply unit are assembled together and then installed in the main unit housing via the mounting port of the main unit housing.

Description

Aerosol generating device, host and atomizer thereof

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to Chinese utility model patent application filed on December 15, 2023, with application number 2023234362166, entitled "An aerosol generating device, its main unit and atomizer," the entire contents of which are incorporated herein by reference. Technical Field

[0003] The present application relates to the technical field of aerosol generating devices, and in particular to an aerosol generating device, a host device thereof, and an atomizer. Background Art

[0004] Aerosol-generating devices are used to generate aerosols for inhalation. Aerosol-generating devices in the related field can be broadly divided into two categories. The first category heats a rod-like aerosol-generating substrate. Specifically, the rod is inserted into the aerosol-generating device's heating tube, which heats the rod to generate an aerosol. The second category heats an aerosol-generating oil. The oil is added to the aerosol-generating device and atomized using an electric heater to generate the aerosol.

[0005] The aerosol generating device includes a main housing, an atomizing assembly and a power supply. When installing the related second-type aerosol generating device, the power supply and the atomizing assembly need to be installed in the main housing respectively. The positioning relationship between each component and the main housing is complex, and each component needs to be assembled in a specific order to be installed in the main housing, resulting in low assembly efficiency. Summary of the Invention

[0006] The present application provides an aerosol generating device, which is used to improve the technical problem of low assembly efficiency of aerosol generating devices in the related art.

[0007] In addition, the purpose of this application is also to provide a host of the above-mentioned aerosol generating device.

[0008] In addition, the present application also aims to provide a nebulizer for the above-mentioned aerosol generating device.

[0009] In a first aspect, an embodiment provides an aerosol generating device, comprising a main unit and an atomizer, the atomizer being configured to heat and atomize an aerosol generating substrate to generate an aerosol, the main unit comprising a power supply unit and a main housing, the power supply unit supplying power to the atomizer; the power supply unit comprising a power supply and a controller, the power supply outputting a voltage and a current in response to a control signal output by the controller;

[0010] The atomizer has an atomizer fixing structure, the power supply unit has a power supply unit fixing structure, and the atomizer fixing structure is fixedly connected to the power supply unit fixing structure;

[0011] The main housing has a mounting opening, and the power supply unit and the atomizer are fixedly assembled into one piece and can be inserted into or removed from the mounting opening; the main housing has an atomizer mounting space for accommodating at least a part of the atomizer.

[0012] Furthermore, in one embodiment, the atomizer fixing structure is plugged and fixed to the power supply unit fixing structure.

[0013] Furthermore, in one embodiment, one of the atomizer fixing structure and the power supply unit fixing structure has a socket, and the other has a plug, and the plug is inserted into the socket.

[0014] Furthermore, in one embodiment, one of the plug and the hole wall of the socket has a guide slot, and the other has a guide strip adapted to the guide slot, and the guide strip is inserted into the guide slot to make the plug and the socket plugged in and stop rotation; the guide slot has a guide section, the opening of the guide section gradually shrinks along the insertion direction of the atomizer, and / or the guide strip has a guide section, and the guide section gradually increases along the insertion direction of the atomizer.

[0015] Furthermore, in one embodiment, one of the plug and the jack has a slot or a hole, and the other has a buckle, and the buckle is snapped into the slot or the hole to fix the plug and the jack.

[0016] Furthermore, in one embodiment, the atomizer and / or the power supply unit has a fixed structure fixed to the main housing.

[0017] In a second aspect, an embodiment provides a main body of an aerosol generating device, comprising a power supply unit and a main body housing, wherein the power supply unit is used to power an atomizer of the aerosol generating device; the power supply unit includes a power supply and a controller, wherein the power supply outputs a voltage and a current in response to a control signal output by the controller;

[0018] The power supply unit has a power supply unit fixing structure, and the power supply unit fixing structure is used to be fixedly connected to the atomizer fixing structure of the atomizer;

[0019] The main housing has a mounting opening, and the power supply unit and the atomizer are fixedly assembled into one piece and can be inserted into or removed from the mounting opening; the main housing has an atomizer mounting space for accommodating at least a part of the atomizer.

[0020] Furthermore, in one embodiment, the power supply unit fixing structure includes a power supply unit plugging structure for plugging with the atomizer fixing structure.

[0021] In a third aspect, an embodiment provides a nebulizer, comprising a nebulizer shell and an electric heating element for heating an aerosol-generating substrate, wherein the nebulizer shell has a nebulizer fixing structure, and the nebulizer fixing structure is used to be fixed to a power supply unit in a host of an aerosol-generating device.

[0022] Furthermore, in one embodiment, the atomizer fixing structure includes an atomizer plugging structure for plugging into the power supply unit.

[0023] When assembling the aerosol generating device according to the above-described embodiment, the aerosol generating device of the present application is assembled after the atomizer and the power supply unit are assembled. The atomizer and the power supply unit are then assembled together and installed into the main housing through the mounting opening of the main housing. Compared to installing the atomizer and power supply unit components separately within the main housing, this simplifies the assembly process and assembly structure of the atomizer and power supply unit into the main housing, improves assembly efficiency, facilitates automated assembly, and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] FIG1 is a schematic structural diagram of an aerosol generating device in an embodiment;

[0025] FIG2 is a cross-sectional view of an aerosol generating device in an embodiment;

[0026] FIG3 is an exploded view of an aerosol generating device in practice;

[0027] FIG4 is a schematic diagram of a disassembled aerosol generating device in an embodiment;

[0028] FIG5 is a schematic structural diagram of an atomizer, a power supply bracket, and a base in an embodiment;

[0029] FIG6 is a schematic diagram of the structure of a power supply bracket and a base before assembly in an embodiment;

[0030] FIG7 is another structural schematic diagram of a power supply bracket and a base before assembly in an embodiment;

[0031] FIG8 is a schematic structural diagram of a power supply unit in an implementation;

[0032] FIG9 is another cross-sectional view of an aerosol generating device in an embodiment;

[0033] FIG10 is a top view of an aerosol generating device in practice;

[0034] FIG11 is a cross-sectional view along AA in FIG10 .

[0035] List of feature names corresponding to the reference numerals in the figure: 1. atomizer; 11. nozzle; 12. electric heating element; 13. atomizer shell; 131. plug; 132. guide strip; 14. atomizer upper cover; 15. induction device cover; 16. oil-absorbing cotton; 17. oil-storing cotton; 18. atomizer assembly; 19. circuit board; 20. suction induction device; 110. buckle; 111. clamping hole; 2. power supply bracket; 21. power supply compartment; 22. locking structure; 221. bracket locking arm; 222. bracket lock; 2221. upper side of the lock; 2222. lower side of the lock; 223. locking guide protrusion; 23. socket; 24. guide slot; 241. guide section; 3. power supply; 4. main housing; 41. cartridge shell; 41 01. First end; 4102. Second end; 411. Mounting port; 412. Guide slope; 413. Anti-rotation groove; 414. Lock hook; 4141. Upper side of the lock hook; 4142. Lower side of the lock hook; 415. Movable hole of the bottom cover; 416. Hook fitting hole; 417. Cylinder; 418. Base; 42. Bottom cover; 421. Pushing portion; 422. Anti-retraction hook; 423. Cover body; 424. Bottom cover locking arm; 43. Atomizer installation space; 5. Indicator light; 6. Light guide strip; 10. Host; 101. Power supply unit; 112. Atomizer fixing structure; 1121. Atomizer plug-in structure; 1011. Power supply unit fixing structure; 10111. Power supply unit plug-in structure; 1012. Fixed structure

[0036] Explanation of the reference numerals in brackets in the accompanying drawings: In the reference numerals in brackets in the accompanying drawings, the features referred to by the reference numerals are both the features represented by the numbers in the brackets and the features represented by the numbers outside the brackets. DETAILED DESCRIPTION

[0037] The present application is further described in detail below by means of specific embodiments in conjunction with the accompanying drawings. Similar elements in different embodiments are numbered with associated similar elements. In the following embodiments, many detailed descriptions are provided to enable the present application to be better understood. However, those skilled in the art will readily appreciate that some of the features may be omitted in different circumstances, or may be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification. This is to avoid the core portion of the present application being overwhelmed by excessive descriptions. For those skilled in the art, it is not necessary to describe these related operations in detail. They can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0038] In addition, the features, operations, or characteristics described in the specification may be combined in any appropriate manner to form various embodiments. Furthermore, the steps or actions in the method description may be reordered or adjusted in a manner readily apparent to those skilled in the art. Therefore, the various sequences in the specification and drawings are provided solely for the purpose of clearly describing a particular embodiment and are not intended to be mandatory, unless otherwise specified.

[0039] Component numbers used herein, such as "first" and "second," are used solely to distinguish the components being described and do not convey any sequential or technical meaning. References to "connection" and "coupling" herein, unless otherwise specified, include both direct and indirect connections (couplings).

[0040] In one embodiment, referring to Figures 1 to 8 , an aerosol-generating device includes a main unit 10 and an atomizer 1 for heating and atomizing an aerosol-generating substrate to generate an aerosol. The main unit 10 includes a power supply unit 101 (see Figures 2 and 8 ) and a main housing 4 . The power supply unit 101 supplies power to the atomizer 1. The power supply unit 101 includes a power supply 3 and a controller (not shown). The power supply 3 outputs voltage and current in response to control signals from the controller.

[0041] The atomizer 1 has an atomizer fixing structure 112, and the power supply unit 101 has a power supply unit fixing structure 1011 fixedly connected to the atomizer 1. The atomizer fixing structure 112 is fixedly connected to the power supply unit fixing structure 1011.

[0042] The main housing 4 has an installation opening 411. The power supply unit 101 and the atomizer 1 are fixedly assembled as a whole and can be installed or removed through the installation opening 411. The main housing 4 has an atomizer installation space 43 for accommodating at least a portion of the atomizer. In one embodiment, referring to Figures 2 and 3, the atomizer installation space 43 is located on the side of the power supply unit 101 facing the installation opening 411.

[0043] When assembling the aerosol generating device, after the atomizer 1 and the power supply unit 101 are assembled, the atomizer 1 and the power supply unit 101 are assembled together and then installed into the main housing 4 through the installation opening 411 of the main housing 4. Compared to installing the components of the atomizer 1 and the power supply unit 101 separately in the main housing, this simplifies the assembly process and assembly structure of the atomizer 1 and the power supply unit 101 into the main housing 4, improves assembly efficiency, facilitates automated assembly, and saves production costs.

[0044] In one embodiment, referring to Figures 2 and 3 , the power supply unit 101 further includes a power supply bracket 2 , and the power supply 3 is fixed on the power supply bracket 2 . In one embodiment, referring to Figures 2 and 3 , the atomizer includes an atomizer housing 13 and an electric heating element 12 located within the atomizer housing 13 .

[0045] In one embodiment, referring to Figures 2 and 3 , the main housing 4 includes a cylindrical shell 41 and a bottom cover 42 connected to a first end 4101 of the cylindrical shell 41 , and a mounting opening 411 is located at a second end 4102 of the cylindrical shell 41 . An atomizer mounting space 43 is located within the cylindrical shell 41 .

[0046] In one embodiment, please refer to Figures 2 to 4, Figures 8 and 9, the atomizer 1 is plugged and fixed to the power supply unit 101, and the atomizer fixing structure 112 includes an atomizer plug structure 1121 that is plugged into the power supply unit 101. The atomizer fixing structure 112 is plugged and fixed to the power supply unit fixing structure 1011. The power supply unit fixing structure 1011 includes a power supply unit plug structure 10111 for plugging into the atomizer plug structure 1121. In one embodiment, please refer to Figures 2 to 4, Figures 8 and 9, the power supply unit 101 is plugged into the atomizer 1 through the power supply bracket 2, and the power supply unit plug structure 10111 is on the power supply bracket 2. The plug-in fixation of the atomizer 1 and the power supply unit 101 is convenient for installation and can improve assembly efficiency.

[0047] In some other embodiments, in addition to being fixed by plugging, the atomizer and the power supply unit 101 may also be fixed by any other feasible assembly method, such as using fastening screws to fasten the atomizer and the power supply unit 101, or by magnetic attraction, welding or bonding.

[0048] In one embodiment, referring to Figures 2 to 4, 8, and 9, one of the atomizer plug structure 1121 and the power supply unit plug structure 10111 has a socket 23, and the other has a plug 131, which plugs into the socket 23. In one embodiment, referring to Figures 2 to 4, 8, and 9, the socket 23 is located on the power supply bracket 2, and the plug 131 is located on the atomizer housing 13. In some other embodiments, the plug may also be located on the power supply bracket 2, and the socket is located on the atomizer housing 13. This mating of the plug 131 and the socket 23 can improve the reliability of the atomizer and the power supply unit 101.

[0049] To facilitate insertion, in one embodiment, referring to Figures 2 to 4, 8, and 9, one of the plug 131 and the receptacle 23 has a guide slot 24, and the other has a guide bar 132 that mates with the guide slot 24. The guide bar 132 inserts into the guide slot 24 to ensure insertion and prevent rotation of the plug 131 and the receptacle 23. The guide slot 24 has a guide section 241, the opening of which gradually narrows along the insertion direction of the atomizer 1. The guidance provided by the guide slot 24 and the guide bar 132 further facilitates insertion of the plug 131 and the receptacle 23.

[0050] In some other embodiments, the guide strip 132 may also have a guide section, and the guide section gradually increases along the insertion direction of the atomizer 1 .

[0051] Please refer to Figure 8. In one embodiment, the guide slot 24 is located on the wall of the socket 23 to guide the atomizer 1 to be inserted into the socket 23. The guide slot 24 has a guide section 241. Along the insertion direction of the atomizer 1, the opening of the guide section 241 gradually decreases to guide the atomizer 1 to be plugged into the power supply bracket 2. The guide section 241 is a part of the guide slot 24. The distance between the two opposite groove walls in the guide section 241 gradually decreases at the slot opening. The atomizer housing 13 has a guide bar 132 adapted to the guide slot 24. After the atomizer 1 is connected to the power supply bracket 2, the guide bar 132 is located in the guide slot 24. The guide bar 132 and the guide slot 24 are prevented from rotating, so that the plug 131 can be plugged into the socket 23 and prevented from rotating, thereby allowing the atomizer 1 and the power supply bracket 2 to be plugged into each other at the correct angle.

[0052] In some other embodiments, the plug 131 may also have a guide slot, and the socket 23 may have a guide strip adapted to the guide slot.

[0053] In one embodiment, referring to FIG. 3 and FIG. 7 , there are two guide slots 24 , and the two guide slots 24 are arranged opposite to each other along the radial direction of the cylindrical shell.

[0054] In one embodiment, referring to Figures 2 to 4, 8, and 9, the power supply unit 101 and the atomizer 1 are fixed by snapping together. The plug 131 and the jack 23 each have a slot or hole 111 on one wall, and a buckle 110 on the other wall. The buckle 110 snaps into the slot or hole 111 to secure the plug 131 to the jack 23. In one embodiment, referring to Figures 2 to 4, 8, and 9, the hole 111 is located on the power supply bracket 2, and the buckle 110 is provided on the plug 131. In some other embodiments, in addition to being fixed by snapping together, the plug 131 and the jack 23 may also be provided with a connecting screw sleeve. After the plug and the jack are plugged together, the atomizer and the power supply unit 101 are secured by the connecting screw sleeve.

[0055] Regarding the atomizer 1, in one embodiment, the atomizer 1 has a nozzle 11 at the top, which is used to inhale the aerosol generated by the atomizer 1. In the present application, the atomizer 1 can use an aerosol generating rod that is heated to generate aerosol, or can use an aerosol generating oil that is heated and atomized to generate aerosol.

[0056] In one embodiment, referring to Figures 2 and 3 , the aerosol-generating device is a disposable aerosol-generating device. The atomizer 1 includes an oil storage tank for storing aerosol-generating oil. A power source 3 powers an electric heater 12, which heats the aerosol-generating oil to generate aerosol. In one embodiment, the power source 3 is a battery.

[0057] Any feasible atomizer 1 in the relevant technology can be used in this application. Since the atomizer 1 in this application is a mature existing structure, this application only provides a brief introduction. Please refer to Figures 2 and 3. The atomizer 1 includes an atomizer shell 13 and an atomizer cover 14. The suction nozzle 11 is installed on the atomizer cover 14, and there is oil-absorbing cotton 16 between the suction nozzle 11 and the atomizer cover 14. The atomizer shell 13 contains an oil storage tank, oil storage cotton 17 in the oil storage tank, and an atomizing assembly 18. The atomizing assembly 18 includes an electric heating element 12. The aerosol-generating oil in the oil storage tank is heated and atomized to generate an aerosol after reaching the position of the electric heating element 12.

[0058] In one embodiment, referring to Figures 2 and 3 , the power supply unit 101 has a fixing structure 1012 fixed to the main housing 4. In one embodiment, the fixing structure 1012 includes a locking structure 22, which is used to act on the power supply unit 101 to lock and fix the power supply unit 101 to the main housing 4. In some other embodiments, the atomizer may also have a fixing structure.

[0059] In some other embodiments, in addition to the locking structure 22, the power supply unit 101 can also be fixed in the main housing by magnetic attraction. Of course, after the power supply unit 101 and the atomizer are installed in the main housing, the power supply unit 101 or the atomizer can be tightened by screwing the screws on the main body.

[0060] The locking structure 22 is used to lock the power supply unit 101 and the cylindrical shell 41, or to lock the power supply unit 101 and the bottom cover 42, so as to limit the displacement of the power supply unit 101 relative to the cylindrical shell 41. The power supply unit 101 can be installed into the main housing 4 through the installation opening 411. After installation, the power supply unit 101 is locked by the locking structure 22, limiting the movement of the power supply unit 101, thereby improving the reliability of the power supply unit 101.

[0061] In one embodiment, referring to Figures 2 and 3 , the locking structure 22 is at least partially disposed on the power supply bracket 2, and is used to lock the power supply bracket 2 and the cylindrical shell 41. It should be noted that the locking structure 22 can be disposed only on the power supply bracket 2, or on the cylindrical shell 4, or partially on the cylindrical shell 4 and partially on the power supply bracket 2.

[0062] In order to facilitate assembly and disassembly, the power supply bracket 2 is connected to the bottom of the atomizer 1. The power supply bracket 2 and the atomizer 1 can be connected in any feasible manner, including bonding, welding, snap connection, or fixed connection by fasteners.

[0063] In one embodiment, referring to Figure 3, the mounting opening 411 is located at the top of the cartridge housing 41. The mouthpiece 11 is exposed from the main housing 4 for the user to inhale the aerosol generated by the aerosol generating device.

[0064] Referring to Figures 2, 4, and 11, the locking structure 22 locks with the cylindrical housing 41 after the power supply bracket 2 is installed in the main housing 4, preventing the power supply bracket 2 from leaving the main housing 4. To facilitate removal of the power supply 3, a bottom cover 42 is movably disposed at the first end 4101 of the cylindrical housing 41. The bottom cover 42 has a first position and a second position relative to the cylindrical housing 41. When the bottom cover 42 is in the second position, the bottom cover 42 unlocks the locking structure 22 from the cylindrical housing 41. When the bottom cover 42 is in the first position, the locking structure 22 is locked to the cylindrical housing 41.

[0065] When the power supply 3 needs to be recovered, the bottom cover 42 is pressed so that the bottom cover 42 pushes the power supply unit 101, and the locking structure 22 and the cylinder shell 41 are unlocked. After unlocking, the power supply unit 101 can be pulled out from the installation port 411, and then the power supply 3 can be recovered, which improves the technical problems in the related art that the aerosol generating device is difficult to disassemble and the power supply 3 is inconvenient to recover.

[0066] In one embodiment, referring to Figures 2, 3, 10, and 11, the bottom cover 42 has a pushing portion 421. The pushing portion 421 is used to push the power supply unit 101 or the locking structure 22 when the bottom cover 42 is pressed from the first position to the second position, thereby unlocking the power supply unit 101 from the cylinder housing 41. Unlocking the locking structure 22 by pressing the bottom cover 42 is simple and convenient.

[0067] Furthermore, in one embodiment, referring to Figures 2 and 3 , to facilitate unlocking of the locking structure 22, a push portion 421 pushes against the locking structure 22, elastically deforming the locking structure 22 and then unlocking it from the cylindrical shell 41. The locking structure 22 is located at the bottom of the power supply bracket 2, and the push portion 421 of the bottom cover 42 directly acts on the locking structure 22, making unlocking more convenient and effective, and less prone to malfunction. The large bottom space of the power supply bracket 2 also facilitates the placement of the locking structure 22.

[0068] In some other embodiments, in addition to elastically deforming the locking structure 22 to unlock the locking structure 22, a mechanical lock structure can also be used. For example, the locking structure 22 includes a hook movably connected to the power supply bracket 2 and an elastic member that applies elastic force to the hook. The elastic member applies force to the hook so that the hook always hooks the cylinder shell 41, keeping the locking structure 22 in a locked state. When unlocking is required, the pushing portion 421 pushes the lock hook to separate the lock hook from the cylinder shell 41, thereby completing the unlocking of the locking structure 22.

[0069] In one embodiment, referring to Figures 3, 5, and 6, to facilitate unlocking, the locking structure 22 includes a bracket locking arm 221 extending vertically and a bracket locking buckle 222 at the lower end of the bracket locking arm 221. The bottom of the cylindrical shell 41 has a locking buckle adapting structure that locks with the bracket locking buckle 222. The pushing portion 421 is used to push the bottom of the bracket locking buckle 222, causing the bracket locking arm 221 to deform and then unlock from the cylindrical shell 41. By arranging the bracket locking buckle 222 at the lower end of the bracket locking arm 221, the bracket locking buckle 222 is easier to deform, and less force is required during the unlocking operation.

[0070] Furthermore, in one embodiment, referring to FIG7 , there are at least two bracket locking arms 221 , each of which is spaced apart circumferentially from the cylindrical shell 41 , and each bracket locking arm 221 is provided with a bracket locking catch 222 . The presence of at least two bracket locking arms 221 allows the power supply bracket 2 to be locked to the cylindrical shell 41 at at least two locations circumferentially of the cylindrical shell 41 , providing greater stability. In other embodiments, only one bracket locking arm 221 may be provided.

[0071] In one embodiment, referring to FIG7 , there are two bracket locking arms 221 , which are arranged opposite each other and have arc-shaped cross-sections. In other embodiments, the cross-sections of the bracket locking arms 221 can be circular, square, or any other feasible shape as needed.

[0072] In one embodiment, referring to FIG7 , there are at least two locking adapter structures, each corresponding to at least one bracket locking arm 221. When there are more than two locking adapter structures, the locking stability of the power supply bracket 2 and the cylindrical shell 41 is better.

[0073] Regarding the lock buckle adapting structure, in one embodiment, please refer to Figure 7, the lock buckle adapting structure includes a lock hook 414 located within the cylindrical shell 41, and the bracket lock buckle 222 is locked by hooking with the lock hook 414. In some other embodiments, the lock buckle adapting structure can also be a lock hole located within the cylindrical shell 41, and the lock buckle is locked in the lock hole to achieve locking.

[0074] In one embodiment, when the bracket lock 222 and the lock hook 414 are locked, the bracket lock 222 is inserted downward into the cylinder shell 41, and the upper side surface 4141 and the lower side surface 4142 of the lock hook are both inclined surfaces. The bracket lock 222 first contacts the upper side surface 4141 of the lock hook, and after pressing down the atomizer 1 and the power supply bracket 2, the bracket locking arm 221 is deformed under the guidance of the upper side surface 4141 of the lock hook until the upper side surface 2221 of the lock hook is hooked with the lower side surface 4142 of the lock hook, completing the locking of the lock and the lock hook 414.

[0075] It should be noted that, referring to Figures 3 and 7 , the upper side 2221 of the lock catch is an inclined surface, as is the lower side 2222 of the lock catch. Thus, when the pushing portion 421 on the bottom cover 42 pushes the lock catch to unlock, the upper side 2221 of the lock catch contacts the lower side 4142 of the lock hook, guiding the bracket locking arm 221 to deform and separate the bracket lock catch 222 from the lock hook 414.

[0076] In some other embodiments, the lock buckle upper side 2221 and the lock buckle lower side 2222 are both inclined surfaces, and the lock hook upper side 4141 and the lock hook lower side 4142 can also be planes perpendicular to the axis of the cylinder shell 41. In some other embodiments, the lock buckle upper side 2221 and the lock buckle lower side 2222 can also be planes perpendicular to the axis of the cylinder shell 41, and the lock hook upper side 4141 and the lock hook lower side 4142 are both planes.

[0077] In one embodiment, please refer to Figures 3 and 7, the locking structure 22 is configured on the power supply unit 101, the locking structure 22 includes a locking guide protrusion 223, and the cylindrical shell 41 has a guide slope 412 facing the installation port 411. When the locking structure 22 is installed into the cylindrical shell 41 along with the power supply unit 101, the guide slope 412 slides with the locking guide protrusion 223 to guide the locking structure 22 to lock the power supply unit 101 with the cylindrical shell 41. In one embodiment, referring to Figures 3 and 7, in order to lock the bracket lock buckle 222 on the bracket lock arm 221 with the corresponding lock adapter structure, a locking guide protrusion 223 is provided on the bracket lock arm 221, and a guide slope 412 facing the installation opening 411 is provided in the barrel shell 41 (see Figure 7). When the power supply bracket 2 is installed into the barrel shell 41, the guide slope 412 slides with the locking guide protrusion 223 to guide the power supply bracket 2 to rotate to an appropriate angle so that the bracket lock buckle 222 on the bracket lock arm 221 is locked with the corresponding lock adapter structure. In this way, when the power supply bracket 2 and the atomizer 1 are installed, the locking guide protrusion 223 guides the locking of the power supply bracket 2 and the barrel shell 41, which is more convenient, thereby improving assembly efficiency.

[0078] Furthermore, in one embodiment, referring to Figures 3 and 7 , the bottom of the cylindrical housing 41 has a rotation-stop groove 413. After the locking structure 22 locks the power supply unit 101 with the cylindrical housing 41, the locking guide protrusion 223 is inserted into the rotation-stop groove 413, preventing the power supply unit 101 from rotating. The locking guide protrusion 223 cooperates with the rotation-stop groove 413 to prevent rotation, thereby making the cylindrical housing 41 and the power supply bracket 2 more stable and less likely to shake.

[0079] In one embodiment, referring to Figures 6 and 7 , the locking guide protrusion 223 is a long, vertically extending protrusion. The locking guide protrusion 223 is disposed on the bracket locking arm 221. In one embodiment, the locking guide protrusion 223 is located between two bracket locking buckles 222, and the two bracket locking buckles 222 are connected together via the locking guide protrusion 223. In one embodiment, the number of locking hooks 414 and the number of bracket locking buckles 222 are both four, with the anti-rotation groove 413 located between the two locking hooks 414.

[0080] In one embodiment, referring to FIG2 , the bottom of the cylindrical shell 41 has a bottom cover movable hole 415 that guides the bottom cover 42 to move along the extension direction of the cylindrical shell 41. The guiding effect of the bottom cover movable hole 415 can make the bottom cover 42 more stable when pressed, and is less likely to deflect or get stuck.

[0081] In one embodiment, the bottom cover 42 has a bottom cover stop structure. Before pressing the bottom cover 42 to push the power supply bracket 2, the bottom cover stop structure and the cylindrical shell 41 block, preventing the bottom cover 42 from moving away from the power supply bracket 3. In one embodiment, please refer to Figures 3 and 5. The bottom of the cylindrical shell 41 has a hook mating groove or hook mating hole 416, and at least a portion of the stop hook 422 is located in the hook mating groove or hook mating hole 416. The stop hook 422 can better prevent the bottom cover 42 from separating from the cylindrical shell 41.

[0082] In one embodiment, referring to Figures 3 and 5 , the bottom cover 42 includes a cover body 423 and a bottom cover locking arm 424 located on the side of the cover body 423 facing the power supply bracket 2. The retaining hook 422 is located at the end of the bottom cover locking arm 424 away from the cover body 423. During installation, the bottom cover 42 can be deformed to allow the retaining hook 422 to be inserted through the lower end of the bottom cover movable hole 415. To prevent the bottom cover 422 from falling off, the lower side of the retaining hook 422 facing the cover body 423 is a plane perpendicular to the centerline of the cylindrical shell 41, and the upper side of the retaining hook 422 is an inclined surface to guide the deformation of the bottom cover locking arm 424 when inserted into the cylindrical shell 41.

[0083] In one embodiment, please refer to Figures 3 and 5, there are two bottom cover locking arms 424, and the two bottom cover locking arms 424 are arranged opposite to each other. When the bottom cover 42 is installed into the bottom cover movable hole 415, the retaining hooks 422 on the two bottom cover locking arms 424 approach each other to allow the bottom cover 42 to be installed into the bottom cover movable hole 415.

[0084] In one embodiment, referring to Figure 3 , the push portion 421 of the bottom cover 42 is a protrusion located on the side of the cover 423 facing the power supply bracket 2. The protrusion's cross-section, perpendicular to the centerline of the cylindrical shell 41, is curved, effectively matching the shape of the bracket lock catch 222 on the bracket lock arm 221, facilitating unlocking. In one embodiment, there are two push portions 421, one for each bracket lock arm 221.

[0085] In order to facilitate the processing of the cylindrical shell 41, in one embodiment, please refer to Figure 3, the cylindrical shell 41 includes a cylindrical body 417 and a base 418 at the bottom of the cylindrical body 417, and the bottom cover 42 is movably configured on the base 418, and the base 418 is fixed to the cylindrical body 417. The locking structure 22 is locked with the base 418. In this way, the lock buckle adapter structure and the like that are adapted to the locking structure 22 are all on the base 418, and the base 418 is processed separately, which is less difficult to process. The base 418 and the cylindrical body 417 can be connected in any feasible manner, such as welding, threaded connection, clamping, bonding or interference fit. In some other embodiments, the cylindrical shell 41 can also be formed in one piece.

[0086] Regarding the power supply bracket 2 and the power supply 3, the two can be assembled together in any feasible way. In one embodiment, please refer to Figures 2 to 5. The power supply bracket 2 has a power supply compartment 21, one side of the power supply compartment 21 is open, and the power supply 3 is inserted into the power supply compartment 21.

[0087] In one embodiment, referring to Figures 2, 3, 9, and 11, the power supply unit 101 includes a puff sensing device 20, which is used to sense the puff state of the aerosol generating device. The power supply 3 supplies power to the atomizer 1 of the aerosol generating device based on the sensing result of the puff sensing device 20. One end of the power supply unit 101 is remote from the first end 4101, and the other end is closer to the first end 4101. The puff sensing device 20 is located at the end of the power supply unit 101 remote from the first end 4101.

[0088] In one embodiment, the power supply unit 101 includes a circuit board 19, and a suction sensing device 20 is mounted on the circuit board 19. The suction sensing device 20 can sense whether the atomizer 1 is being puffed, and the power supply circuit between the power supply 3 and the electric heating element 12 is turned on and off in response to the sensing result of the suction sensing device 20, thereby controlling the electric heating element 12. When the mouthpiece 11 is being puffed, the suction sensing device 20 senses that the atomizer 1 is being puffed, and the power supply circuit is turned on in response to the sensing result, and the power supply 3 starts to supply power to the electric heating element 12, and the electric heating element 12 works to heat the aerosol-generating oil. When the mouthpiece 11 is not being puffed, the suction sensing device 20 senses that the atomizer 1 is not being puffed, and the power supply circuit is turned off in response to the sensing result, and the electric heating element 12 does not work. The main unit includes a sensing device cover 15, and the sensing device cover 15 covers the suction sensing device 20.

[0089] The puff sensing device 20 is a sensor for sensing changes in gas pressure when the aerosol generating device is puffed. The sensor is located in the power supply circuit. After the gas pressure in the atomizer 1 drops to a target value, the sensor sends a connection signal, and the power supply circuit responds to the connection signal to connect the circuit. If the gas pressure in the atomizer 1 does not drop to the target value, the power supply circuit responds to the sensor and remains disconnected. In some other embodiments, in addition to gas pressure, the sensor can also sense changes in resistance, capacitance, voltage, etc. caused by puffing on the aerosol generating device to control whether to connect the power supply circuit.

[0090] In one embodiment, referring to Figures 9 to 11 , the power supply unit 101 includes an indicator light 5, which is located at an end of the power supply unit 101 away from the first end 4101. The power supply unit 101 also includes a light guide bar 6, which extends to the first end 4101 of the cylindrical shell 41. The bottom cover 42 is a light-transmitting bottom cover 42. To prevent the light guide bar 6 from affecting the movement of the bottom cover 42, a clearance gap is provided between the bottom cover 42 and the bottom end surface of the light guide bar 6. In one embodiment, the indicator light 5 is fixed to the circuit board 19. The light guide bar 6 is fixed to the power supply bracket 2.

[0091] In one embodiment, the aerosol generating device of the present application is used as an electronic cigarette, which can be an electronic cigarette that heats the e-liquid or an electronic cigarette that heats the cigarette.

[0092] In summary, in one embodiment, the assembly steps of the aerosol generating device mainly include two steps: Step 1, assemble the various components of the atomizer together. If the aerosol generating matrix adopts aerosol generating oil, it is also necessary to fill the oil chamber of the atomizer with oil. Assemble the various components of the power supply unit 101 together. Step 2, assemble the atomizer and the power supply unit 101 by fixed connection through the atomizer fixing structure 112 and the power supply unit fixing structure 1011, and then install the entirety into the main housing. Since step 2 eliminates the problem of positioning each component of the atomizer and the power supply unit 101 individually in the main housing, it also avoids the problem of assembly order of each component of the atomizer and the power supply unit 101 due to size interference when being installed into the main housing, and it is easier to assemble using automated equipment, which greatly saves the cost of production and improves the reliability of the product.

[0093] In some embodiments of the main body of the aerosol generating device, the main body of the aerosol generating device has the same structure as the main body in any of the above embodiments, and will not be described in detail.

[0094] In some embodiments of the atomizer of the aerosol generating device, the structure of the atomizer of the aerosol generating device is the same as that of the atomizer in any of the above embodiments, and will not be described in detail.

Claims

1. An aerosol generating device, characterized in that: The device comprises a main unit and an atomizer, wherein the atomizer is used to heat and atomize an aerosol-generating substrate to generate an aerosol, and the main unit comprises a power supply unit and a main housing, wherein the power supply unit supplies power to the atomizer; the power supply unit comprises a power supply and a controller, wherein the power supply outputs a voltage and a current in response to a control signal output by the controller; The atomizer has an atomizer fixing structure, the power supply unit has a power supply unit fixing structure, and the atomizer fixing structure is fixedly connected to the power supply unit fixing structure; The main housing has a mounting opening, and the power supply unit is fixedly assembled with the atomizer as a whole and can be inserted or removed from the mounting opening; the main housing has an atomizer mounting space for accommodating at least a part of the atomizer.

2. The aerosol generating device according to claim 1, characterized in that The atomizer fixing structure is plugged and fixed to the power supply unit fixing structure.

3. The aerosol generating device according to claim 2, characterized in that One of the atomizer fixing structure and the power supply unit fixing structure has a socket, and the other has a plug, and the plug is inserted into the socket.

4. The aerosol generating device according to claim 3, characterized in that One of the plug and the hole wall of the socket has a guide slot, and the other has a guide strip adapted to the guide slot, the guide strip is inserted into the guide slot so that the plug and the socket are plugged in and stop rotating; the guide slot has a guide section, the opening of which gradually decreases along the insertion direction of the atomizer, and / or the guide strip has a guide section, which gradually increases along the insertion direction of the atomizer.

5. The aerosol generating device according to claim 3, characterized in that One of the plug and the jack has a slot or a hole on its wall, and the other has a buckle, and the buckle is inserted into the slot or the hole to fix the plug and the jack.

6. The aerosol generating device according to any one of claims 1 to 5, characterized in that: The atomizer and / or the power supply unit has a fixing structure fixed to the main housing.

7. A host of an aerosol generating device, characterized in that: The device comprises a power supply unit and a main housing, wherein the power supply unit is used to supply power to an atomizer of an aerosol generating device; the power supply unit comprises a power supply and a controller, and the power supply outputs a voltage and a current in response to a control signal output by the controller; The power supply unit has a power supply unit fixing structure, and the power supply unit fixing structure is used to be fixedly connected to the atomizer fixing structure of the atomizer; The main housing has an installation opening, and the power supply unit is inserted into or removed from the installation opening after being fixedly assembled with the atomizer; the main housing has an atomizer installation space for accommodating at least a part of the atomizer.

8. The main unit of the aerosol generating device according to claim 7, characterized in that: The power supply unit fixing structure comprises a power supply unit plugging structure for plugging with the atomizer fixing structure.

9. An atomizer, characterized in that: The atomizer comprises an atomizer shell and an electric heating element for heating an aerosol generating substrate. The atomizer shell has an atomizer fixing structure, and the atomizer fixing structure is used to be fixed to a power supply unit in a main unit of an aerosol generating device.

10. The atomizer according to claim 9, characterized in that The atomizer fixing structure comprises an atomizer plugging structure for plugging with the power supply unit.

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