WO2022007857A1

WO2022007857A1 - Aerosol generation system and power supply device

Info

Publication number: WO2022007857A1
Application number: PCT/CN2021/105041
Authority: WO
Inventors: 邓勇进; 戴昌正; 徐中立; 李永海
Original assignee: 深圳市合元科技有限公司
Priority date: 2020-07-07
Filing date: 2021-07-07
Publication date: 2022-01-13
Also published as: CN113907417A

Abstract

An aerosol generation system and a power supply device (200). The aerosol generation system comprises an atomization device (100) and the power supply device (200), wherein the power supply device (200) comprises a receiving cavity (230); and the atomization device (100) is removably received in the receiving cavity (230). The system further comprises a holding element (270) for holding the atomization device (100) and which can be configured between a first position and a second position, wherein in the first position, the holding element (270) locks the the atomization device (100) after being received in the receiving cavity (230) to prevent the atomization device (100) from being removed from the receiving cavity (230); and in the second position, the holding element (270) unlocks the atomization device (100). The aerosol generation system or the power supply device (200) can be operated between the configurations of holding the connection and releasing the connection between the atomization device (100) and the power supply device (200), which facilitates the stable connection of the atomization device (100) and the power supply device (200) for ease of use, and also facilitates the removal of the atomization device (100) from the power supply device (200).

Description

Aerosol Generation System and Power Unit

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application with the application number 202010643751.0 and titled "Aerosol Generation System and Power Supply Device", which was filed with the China Patent Office on July 07, 2020, the entire contents of which are incorporated herein by reference.

technical field

The embodiments of the present application relate to the field of aerosol generation systems, and in particular, to an aerosol generation system and a power supply device for the aerosol generation system.

Background technique

There are aerosol-delivering articles, for example, so-called electronic cigarette devices. These devices typically contain a liquid that is heated to vaporize it, resulting in a breathable vapor or aerosol. The liquid may contain nicotine and/or fragrance and/or aerosol-generating substances (eg, glycerin). FIG. 1 shows the structure of an existing classic electronic cigarette, including an atomizer 1 and a power supply 2 that can be separated from each other; wherein, the power supply 2 includes a receiving cavity 3, and the atomizer 1 is removably received in the receiving cavity 3 . At the same time, the atomizer 1 is provided with a first magnetic element 4, and the power supply 2 is provided with a second magnetic element 5 that can cooperate with the first magnetic element 4 to magnetically attract when the atomizer 1 is received in the power supply 2, Thereby, the atomizer 1 and the power source 2 are automatically magnetically adsorbed and maintained, which is convenient for users to use. In the use of the above electronic cigarette, the magnetic suction connection method can be used by the atomizer 1 to be detached from the power supply 2 under a small external force.

Application content

Based on the above, an embodiment of the present application provides an aerosol generating system, including an atomizing device for atomizing an aerosol-forming substrate to generate aerosol for suction, and a power supply device for supplying power to the atomizing device; the The power supply device includes a receiving cavity, and the atomizing device is removably received in the receiving cavity; the atomizing device is provided with a first electrode, and the power supply device is provided with a second electrode; when the atomizing device receives When in the receiving cavity, the second electrode and the first electrode form a conductive connection, so that the power supply device supplies power to the atomizing device; it is characterized in that the aerosol generating system further comprises: a holding element, which can be A configuration is made between a first position and a second position different from the first position; wherein the holding element forms a lock on the atomizing device received in the receiving cavity when the holding element is in the first position, so as to prevent the The nebulizing device is removed from the receiving cavity; the retaining element unlocks the nebulizing device when the retaining element is in the second position.

In a more preferred implementation, the power supply device further comprises: an outer casing at least partially defining the receiving cavity; the retaining element is positioned within the outer casing and is configured to move within the outer casing, thereby Change the configuration between the first position and the second position.

In a more preferred implementation, the power supply device further includes: an operating element, at least partially exposed on the surface of the outer casing, configured to drive the holding element to move within the outer casing, and then from the first position Configure to the second location.

In a more preferred implementation, the outer casing is provided with a bracket, which at least partially abuts against the holding element, thereby providing support for the holding element.

In a more preferred implementation, a guide structure is provided on the bracket, and the holding element is moved within the outer casing at least partially under the guidance of the guide structure.

In a more preferred implementation, the retaining element is configured to at least partially surround the stent in a circumferential direction of the stent.

In a more preferred implementation, the stent at least partially defines the receiving cavity.

In a more preferred implementation, the power supply device further includes a battery cell for power supply;

The second electrode is positioned on the support and at least partially exposed to the receiving cavity.

In a more preferred implementation, the second electrode is configured to be resilient; the atomizing device at least partially compresses the second electrode when received in the receiving cavity; the atomizing device is received from the receiving cavity During intraluminal removal, the second electrode is further configured to, at least in part, provide an elastic thrust applied to the atomizing device to facilitate the removal.

In a more preferred implementation, the bracket is provided with a cavity close to the receiving cavity; the second electrode is at least partially positioned in the cavity.

In a more preferred implementation, the first electrode at least partially protrudes from the atomizing device, and is configured to protrude into the concave cavity when the atomizing device is received in the receiving cavity The second electrode forms a conductive connection.

In a more preferred implementation, the first electrode at least partially protrudes from the atomizing device.

In a more preferred implementation, the atomizing device is provided with a first connecting structure;

The holding element is provided with a second connection structure for cooperating with the first connection structure, and in the first position, the second connection structure cooperates with the first connection structure to lock the atomizing device .

In a more preferred implementation, the first connection structure includes a card slot; the second connection structure includes a buckle for matching with the card slot.

In a more preferred implementation, the buckle includes at least a part of an inclined surface arranged obliquely; the clip groove is at least partially guided by the inclined surface of the buckle to form a fit with the buckle.

In a more preferred implementation, the first connecting structure includes a groove extending at least partially along the circumference of the atomizing device; the second connecting structure includes extending to the groove in the first position Inside the card bulge.

In a more preferred implementation, the atomizing device includes: the groove is formed on the first electrode.

In a more preferred implementation, the power supply device further includes a biasing element configured to bias the retaining element toward the first position.

In a more preferred implementation, the biasing element comprises a spring.

In a more preferred implementation, the outer housing includes a longitudinal direction, and a transverse direction perpendicular to the longitudinal direction; the retaining element is configured to be capable of being between the first and second positions along the transverse direction move between.

An embodiment of the present application further provides a power supply device for an aerosol generating system, which is used to supply power to an atomizing device; comprising a receiving chamber, the atomizing device is removably received in the receiving chamber; the The atomizing device is provided with a first electrode, and the power supply device is provided with a second electrode; when the atomizing device is received in the receiving cavity, the second electrode forms a conductive connection with the first electrode, so that the The power supply device supplies power to the atomizing device; the power supply device includes: a holding element, including holding the atomizing device, and can be configured between a first position and a second position different from the first position; wherein, The retaining element forms a lock for the nebulizing device received in the receiving cavity when the retaining element is in the first position to prevent the nebulizing device from being removed from the receiving cavity; when the retaining element is in the second position Unlock the nebulizer device.

The above aerosol generating system or power supply device can be operated between forming the connection between the atomizing device and the power supply device, maintaining and releasing the connection, which not only makes the combination of the atomizing device and the power supply device stable and easy to use, but also facilitates the atomization device and the power supply device. Removal of the device.

Another embodiment of the present application also provides an aerosol generating system, including an atomizing device for atomizing an aerosol-forming substrate to generate an aerosol, and a power supply device for supplying power to the atomizing device; the power supply device includes: an outer casing; a second air inlet formed at least in part on the outer casing and configured to allow outside air to enter the atomizing device in use; and an airflow adjustment element positioned within the outer casing and being The second air inlet is arranged to be movable relative to the outer casing to adjust the size of the second air inlet to control the amount of outside air entering the second air inlet.

In a more preferred implementation, the outer casing is provided with a second through hole, and the second through hole cooperates with the airflow adjustment element to define the second air inlet; the airflow adjustment element is arranged opposite to The outer casing is moved to change the degree of overlap with the second through hole, thereby adjusting the size of the second air inlet.

In a more preferred implementation, the airflow adjustment element comprises: a contact at least partially extending from the second through hole to the outside of the housing, and configured to enable the airflow adjustment element to be actuated through the contact to drive the movement of the airflow adjustment element.

In a more preferred implementation, the airflow adjustment element is arranged to move linearly relative to the outer housing; or, the airflow adjustment element is arranged to move rotationally relative to the outer housing.

In a more preferred implementation, the outer casing is further provided with: a flexible damping element at least partially abutting against the airflow adjustment element and configured to provide damping during movement of the airflow adjustment element.

In a more preferred implementation, the flexible element includes an accommodating hole; the airflow adjustment element is at least partially accommodated in the accommodating hole and moves relative to the outer casing within the accommodating hole.

In a more preferred implementation, the outer casing further comprises: a receiving cavity, in which the atomizing device is removably received; a guide wall at least partially defining the receiving cavity and at least partially being inclined. , which is further used to provide guidance when the atomizing device is received in the receiving cavity.

In a more preferred implementation, the outer casing includes: a main casing having an insertion opening formed on a side wall; a face casing positioned outside the main casing and configured to extend at least partially from the insertion opening to the The guide wall is formed in the main casing.

In a more preferred implementation, the airflow adjustment element is positioned between the guide wall and the main housing.

In a more preferred implementation, the outer casing further comprises: a receiving cavity, in which the atomizing device is removably received; an air flow channel, used for when the atomizing device is received in the cavity An air flow path is provided between the second air inlet and the atomizing device.

In a more preferred implementation, the outer casing is further provided with: a sealing element, which is arranged in an annular shape surrounding the air flow channel, and is configured to seal the gap between the atomizing device and the outer casing. seal.

In a more preferred implementation, a battery cell for power supply is provided in the outer casing; the second air inlet avoids the battery core along the length direction of the outer casing.

An embodiment of the present application further provides a power supply device for an aerosol generating system, which is used to supply power to an atomizing device; the power supply device includes: an outer casing; and a second air inlet, which is arranged on the outer casing and configured to, in use, provide entry of external air into the aerosol-generating system; an airflow adjustment element positioned within the outer housing and arranged to be movable relative to the outer housing to regulate the second air flow The size of the air port to control the amount of outside air entering the second air inlet.

The above aerosol generation system and power supply device, the power supply device is provided with a second air inlet for outside air to enter the aerosol generation system during the suction process, and the size of the second air inlet is adjusted by a movable airflow adjustment element , to control the amount of outside air entering the second air intake.

Description of drawings

One or more embodiments are exemplified by the pictures in the corresponding drawings, and these exemplifications do not constitute limitations of the embodiments, and elements with the same reference numerals in the drawings are denoted as similar elements, Unless otherwise stated, the figures in the accompanying drawings do not constitute a scale limitation.

FIG. 1 is a schematic structural diagram of an existing classic electronic cigarette;

2 is a schematic structural diagram of an aerosol generation system provided by an embodiment of the present application;

Fig. 3 is the schematic diagram of the state in which the atomizing device is removed from the power supply device in Fig. 2;

Fig. 4 is the structural representation of another perspective of the atomizing device in Fig. 3;

Fig. 5 is a schematic cross-sectional view of the atomizing device in Fig. 3 from a viewing angle;

6 is a schematic cross-sectional view of the power supply device in FIG. 3 from a viewing angle;

FIG. 7 is an exploded schematic view of a perspective view of the power supply device in FIG. 6;

Fig. 8 is the schematic diagram of the connection between the power supply device and the atomizing device in Fig. 7;

Figure 9 is an exploded schematic view of the connection mechanism in Figure 7;

FIG. 10 is an exploded schematic view of the outer casing of FIG. 6 .

specific embodiment

In order to facilitate the understanding of the present application, the present application will be described in more detail below with reference to the accompanying drawings and specific embodiments.

The embodiment of the present application proposes an aerosol generation system product for heating and atomizing a liquid substrate. In one embodiment, taking the configuration shown in FIG. 2 as an example, the aerosol generating system can generate an aerosol for suction by heating and atomizing the liquid matrix stored in the interior.

Further on the functional composition of the aerosol generating system, reference can be made to the exploded schematic diagram shown in FIG. 3 , including an atomizing device 100 for atomizing a liquid substrate to generate an aerosol for inhalation, and an atomizing device 100 for supplying power to the atomizing device 100. Power supply device 200 . Of course, the atomizing device 100 and the power supply device 200 can be removably combined. specific,

The atomizing device 100 includes:

The casing of the atomizing device, in the preferred implementation shown in FIG. 3 , is jointly formed by two parts, the first casing 10 and the second casing 20 , which can be combined and disassembled with each other along the length direction.

The suction nozzle 30 is formed on the housing of the atomizing device and at least partially protrudes from the housing of the atomizing device. Of course, in the preferred design shown in FIG. 3 , the suction nozzle 30 is cylindrical in shape for the user to suck; of course, it can be seen from FIG. Meanwhile, the suction nozzle 30 has a suction port A for suction according to common sense.

In a preferred implementation, at least a part of the shell of the atomizing device, such as the first shell 10, is a transparent part made of a transparent material, and then at least part of the liquid matrix or the air flow channel inside it is visible during use, which is convenient for The user can check the liquid matrix stock or working condition in a timely manner.

Further in FIG. 4 , one side wall 14 of the shell of the atomizing device along the width direction is provided with a first air inlet 21 for entering the outside air during the suction process. As shown by the arrow R1 , the first air inlet 21 enters into the atomizing device 100 , and carries the aerosol formed inside the atomizing device 100 and is output from the suction port A of the suction nozzle 30 . Of course, according to the preferred implementation of FIG. 4 , the first air inlet 21 is positioned on the second housing 20 .

The structure of the power supply device 200 includes:

The outer casing, in the preferred implementation shown in FIG. 3 , is jointly formed by the main casing 210 and the face casing 220 formed on one side of the main casing 210 in the thickness direction.

The receiving cavity 230 is close to the upper end of the outer casing along the length direction in FIG. 3 and forms an opening for receiving at least a part of the atomizing device 100;

The window 221 is formed on the outer casing, for example, the main casing 210 or the face shell 220, for when the atomizing device 100 is received in the receiving cavity 230, the transparent part of the outer casing of the atomizing device can pass through the window 221 It is visible, which makes it easy for users to observe the usage.

In order to further complete the implementation details of the atomizing device 100, FIG. 4 and FIG. 5 show a schematic diagram of the detailed structure of the atomizing device 100 proposed by a preferred embodiment; including:

The flue gas transmission pipe 11 is arranged along the axial direction of the first housing 10, and the upper end is in airflow communication with the suction nozzle 30;

The liquid storage cavity 12 is generally defined by the space between the flue gas transmission pipe 11 and the inner wall of the first housing 10, and is used to store the liquid matrix;

The porous body 40, in the form of a hollow cylinder in FIG. 5 and coaxial with the flue gas transmission pipe 11, is close to the lower end of the flue gas transmission pipe 11, and is at least partially surrounded by the flue gas transmission pipe 11;

The heating element 50 is formed inside the porous body 40; in use, the liquid matrix shown by arrow R2 in FIG. The surface is transferred, and is heated and atomized by the heating element 50 to form an aerosol.

The air intake pipe 60 forms an air flow channel that flows from the first air inlet 21 to the hollow interior of the porous body 40; of course, with the preferred implementation shown in FIG. The first through hole 61 is in airflow communication with the first air inlet 21 .

The complete airflow path in use is shown in FIG. 5 , the external air enters the atomizing device 100 from the first air inlet 21 , enters the air inlet pipe 60 from the first through hole 61 , and then passes through the porous body The interior of 40 is hollow, and the generated aerosol is output from the flue gas transmission pipe 11 to the suction port A to be sucked.

Referring further to FIGS. 4 and 5 , a first electrode is provided at the bottom end of the second casing 20 of the atomizing device 100 , and the first electrode includes a first electrode unit 31 and a second electrode unit 32 . In use, the first electrode unit 31 is electrically connected to one end of the heating element 50 , and the second electrode unit 32 is connected to the other end of the heating element 50 , and then used to power the heating element 50 after being combined with the power supply device 200 .

In the preferred implementation shown in FIG. 4 , the first electrode unit 31 has a cylindrical shape, and the second electrode unit 32 has an annular shape surrounding the first electrode 32 ; of course, the first electrode unit 31 and the second electrode unit 32 are arranged between There is an annular insulating silicone ring 33 for insulating the first electrode unit 31 and the second electrode unit 32 .

Further according to FIG. 4 and FIG. 5 , the first electrode unit 31, the second electrode unit 32 and the suction nozzle 30 are respectively arranged on the upper and lower sides of the casing of the atomizing device, and the first electrode unit 31 and the suction nozzle 30 are in the longitudinal direction. At the same time, the first electrode unit 31 and the second electrode unit 32 are at least partially protruding from the bottom end of the casing of the atomizing device.

Meanwhile, a groove 321 surrounding the second electrode unit 32 in the circumferential direction is provided on the outer side wall of the second electrode unit 32 for connecting and maintaining the power supply device 200 .

In yet another optional implementation, the first electrode unit 31 and the second electrode unit 32 are fixed integrally with a protruding design, which facilitates disassembly or replacement of the atomizing assembly including the porous body 40 and the heating element 50 . Specifically, the porous body 40 and the heating element 50 are supported by the first electrode unit 31 and the second electrode unit 32 and then held or fixed in the atomizing device 100 . At the same time, the first electrode unit 31 and the second electrode unit 32 can be removed or disassembled along the length direction; of course, the user can use the groove 321 of the second electrode unit 32 as a stressing part during operation. During the removal process, the atomizing assembly including the porous body 40 and the heating element 50 will be removed from the atomizing device 100 together with the removal or disassembly of the first electrode unit 31 and the second electrode unit 32, thereby facilitating disassembly and replace.

As shown in FIG. 3 and FIG. 4 , the atomizing device 100 further includes a card slot 22 disposed at the bottom of the atomizing device housing, and the card slot 22 is used to form a fixed connection when the atomizing device 100 is combined with the power supply device 200 . Of course, according to the preferred implementation shown in FIG. 4 , the number of the card slots 22 is two, and the two sides along the thickness direction of the atomizing device 100 are oppositely arranged.

The structure of the corresponding power supply device 200 is shown in FIG. 6 and FIG. 7 ; it includes:

In order to facilitate the receiving operation of the atomizing device 100 in the receiving cavity 230, a guiding wall 231 inclined along the length direction is provided in the receiving cavity 230, and the side wall 14 of the atomizing device 100 is also adapted to the guiding wall 231. The inclined shape of the nebulizer device 100 can cooperate with each other to provide operation guidance when the atomizing device 100 is received in the receiving cavity 230 along the length direction.

The bracket 262, which is made of rigid plastic material in the implementation, extends along the cross-sectional direction of the outer casing, and further divides the inner space of the outer casing into two parts, namely the receiving cavity 230 located at the top, and the receiving cavity 230 located at the bottom for installation. Installation space for the battery cells 261 for power supply.

The second electrode, the second electrode includes a first conductive elastic pin 263 and a second conductive elastic pin 264, both of which penetrate the bracket 262 from the bottom of the bracket 262 to the receiving cavity 230; the electrodes used for the battery core 261 and the atomizing device 100 (ie, the first electrode unit 31 and the second electrode unit 32) conduct current. specific,

The number of the first conductive bullet needles 263 is one, which is basically located on the central axis of the receiving cavity 230;

The number of the second conductive bullet pins 264 is two, and they are disposed on both sides of the first conductive bullet pins 264 along the thickness direction of the power supply device 200 and are in a straight line.

In use, the first conductive pin 263 abuts against the first electrode unit 31 of the atomizing device 100 to form conduction, and the second conductive pin 264 abuts against the second electrode unit 32 of the atomizing device to form conduction. And the number of the second conductive elastic pins 264 is two, which can maintain the stability of abutting or contacting with the second electrode unit 32 .

Further referring to FIG. 9 , in order to make the above conductive contact more stable, a substantially circular concave cavity 2621 is provided on the bracket 262. When combined, the first electrode unit 31 and the second electrode unit 32 of the atomizing device 100 are extended. into the cavity 2621.

Of course, the first conductive bullet needle 263 and the second conductive bullet needle 264 penetrate into the cavity 2621 , and when the first electrode unit 31 and the second electrode unit 32 of the atomizing device 100 protrude into the cavity 2621 , forming a conduction.

Further referring to FIGS. 7 to 9 , in order to keep the atomizing device 100 stably connected to the power supply device 200 to form a lock when it is received in the receiving cavity 230 ; the power supply device 200 is also provided with a holding element 270 ; the holding element 270 can be The operation button 240 located on one side of the power supply device 200 in the width direction is driven and moved in the width direction. Wherein, locking may mean that the atomizing device 100 is fixed or restricted when it is received in the receiving cavity 230 , at least not free to move and thus cannot be removed from the receiving cavity 230 .

The specific retention element 270 is generally shaped as a C-shaped at least partially circumferentially surrounding the bracket 262 as a whole. Retaining element 270 is supported, at least in part, by bracket 262 for mounting within power supply unit 200 when mounted. At the same time, the bracket 262 is also provided with a guide structure for providing guidance during the moving process of the holding element 270, so that it can move relative to the bracket 262 stably along the width direction under the guidance.

At the same time, the retaining element 270 is provided with a buckle 271 for forming a snap connection with the slot 22 of the atomizing device 100 when the atomizing device 100 is received in the receiving cavity 230 , as shown in FIG. 8 . Of course, in the preferred implementation shown in FIGS. 7 to 9 , at least a part of the surface of the top of the buckle 271 is an inclined surface, so as to provide an inclined guide for the opening of the clip slot 22 when the atomizing device 100 is combined in the length direction. .

When it is necessary to release the combination of the atomizing device 100 and the power supply device 200, the operation button 240 is pressed to drive the holding element 270 to move leftward along the width direction indicated by the arrow R3 in FIG. 22 After the engagement is released, the atomizing device 100 can be removed along the length direction. In other optional implementations, as the operating device for driving the holding element 270 to move and thereby unlocking the atomizing device 100, other operating elements such as sliding, rotating, etc. can be used to replace the above Button 240 is operated.

In a more preferred implementation, after the buckle 271 is released from the card slot 22, the power supply device 200 is provided with a device that provides a driving force to the atomizing device 100, so as to assist the atomizing device 100 to move out along the length direction. . In this implementation, the elastic force of the first conductive elastic pin 263 and the second conductive elastic pin 264 is used to provide the above-mentioned thrust; 263 and the second conductive elastic pin 264 are at least partially compressed, and when the buckle 271 is released from the card slot 22, the elastic restoring force of the first conductive elastic pin 263 and the second conductive elastic pin 264 acts as an outward force. The pushing force of the atomizing device 100 pushes the atomizing device 100 to a certain stroke displacement to make it at least partially pop out of the receiving cavity 230, so as to facilitate the removal operation by the user. Or in other variations, a separate element such as a spring may be used to provide a similar thrust to facilitate the removal operation.

Or in other variation implementations, the above-mentioned first conductive elastic pins 263 and second conductive elastic pins 264 can also be replaced by some elastic electrical contact pieces or elastic electrical terminals and other devices. The use of electrodes that output electrical energy, on the other hand, promotes the removal of the atomizing device 100 from the receiving cavity 230 by elastically forming a thrust.

Referring to the preferred implementation shown in FIG. 9 , in order to provide stability for the installation of the holding element 270 in the power supply device 200 , the power supply device 200 is provided with a biasing element. In FIG. 9 , the biasing element is a linear spring 280 extending in the width direction. , one end of the linear spring 280 is abutted against the bracket 262 , and the other end is abutted against the holding element 270 . On the one hand, the linear spring 280 provides damping in the movement of the holding element 270; on the other hand, when the buckle 271 forms a snap connection with the slot 22, it provides an elastic force opposite to the arrow R3 in FIG. The tendency to move to the right, thereby preventing it from disengaging to the left in the direction of the arrow R3 and releasing the engagement. Or in other variant implementations, the biasing function of the biasing element can also be provided by means of magnets, torsion springs, silica gel and other devices with elastic reset functions.

Further referring to FIG. 9 , the guide structure of the bracket 262 to the holding element 270 has multiple parts in implementation. For example, in FIG. 9 , the bracket 262 has a part of a protruding guide surface 2623 on which the holding element 270 moves against on the one hand, and the guide surface 2623 protrudes into both sides of the holding element 270 in the thickness direction after assembly. of notches. For another example, the wall of the bracket 262 forming the cavity 2621 is provided with a notch 2622, and the holding element 270 is provided with a protrusion 272 extending toward the notch 2622; Guidance is also provided at least in part by preventing the retaining element 270 from being deflected in other directions during its movement.

Of course, in order to facilitate the installation of the linear spring 280 , the holding member 270 is provided with an accommodating hole 273 , and the linear spring 280 is accommodated and held in the accommodating hole 273 .

At the same time, the operation button 240 is provided with a connection structure that is connected and fixed with the holding element 270 , such as the snap protrusion 241 shown in FIG. 9 .

Or in another variant implementation, the locking or unlocking can be performed by using the circumferentially extending groove 321 provided on the outer side wall of the second electrode unit 32 . specific,

The length of the protrusion 272 of the holding element 270 can be longer, and when the atomizing device 100 is received in the receiving cavity 230, the protrusion 272 can extend into the groove 321, which can prevent the atomizing device 100 from moving in the length direction. The movement is fixed; when it needs to be removed, the state of the linear spring 280 is driven or operated by the operation button 24, and the elastic force of the linear spring 280 drives the holding element 270 to move outward, thereby causing the protrusion 272 to escape from the groove 321, Then the locking of the atomizing device 100 can be released.

By operating the button 240 to drive the holding element 270 in the power supply device 200 to move, the operation can be performed between forming and releasing the connection between the atomizing device 100 and the power supply device 200 , so that both the atomizing device 100 and the power supply device 200 can be operated. The combination is stable and easy to use, and also facilitates the removal of the atomizing device 100 and the power supply device 200 .

In the variation of the above preferred implementation, the holding element 270 may also be provided on the atomizing device 100, and the operating elements corresponding to the operation buttons 240 and the like are also formed on the atomizing device 100; then when the atomizing device 100 receives the When in the receiving cavity 230, at least a part of the operating elements such as the operating button 240 is exposed outside for easy operation. At the same time, the power supply device 200 is provided with a structure that cooperates with the locking of the holding element 270, and the cooperation forms a locking.

Further in the suction process, as shown in FIG. 7 to FIG. 10 , the structure of the airflow path of the power supply device 200 includes:

The main casing 210 is provided with a second through hole 224 , and the second through hole 224 is used as a second air inlet 224 for external air to enter the power supply device 200 ; When inside, the second air inlet 224 is in airflow communication with the first air inlet 21 .

In the preferred implementation shown in FIG. 7 , the second air inlet 224 is arranged in an elongated shape extending along the length of the outer casing, generally in the shape of a waist.

Of course, in a preferred implementation, when the atomizing device 100 is received in the power supply device 200, the second air inlet 224 and the first air inlet 21 are substantially facing or aligned.

The airflow adjustment element 250, the airflow adjustment element 250 can move along the length direction of the power supply device 200, so as to fully open the second through hole 224 (eg, the state shown in FIG. 8 ) and completely close the second through hole 224 (eg, FIG. 3 ) and the part other than the overlap between the airflow adjustment element 250 and the second through hole 224 during the moving process forms the above second air inlet 224, and the second air inlet 224 is formed during the moving process through the The difference in the overlapping degree or area of the two through holes 224 changes the size of the formed second air inlet 224, so as to adjust or change the amount or speed of the air flow during the suction process.

According to the preferred implementation shown in the figures, the second through hole 224 or the second air inlet 224 defined or formed by the second through hole 224 is close to the upper end of the main casing 210 . The second through hole 224 or the second air inlet 224 is opposite to the receiving cavity 230 , or avoids the battery cell 261 along the length direction of the power supply device 200 .

Of course, the movement of the airflow adjustment element 250 also changes between the state of fully opening the first air inlet 21 and the state of fully closing the first air inlet 21 .

In addition to the preferred embodiment shown above, the second through hole 224 can also be configured as a waist-shaped hole extending along the circumferential direction of the main casing 210, and the corresponding airflow adjustment element 250 can pass around the main casing The body 210 is arranged in a manner of circumferential rotation.

Further, in order to assist the operation of the airflow adjustment element 250, the airflow adjustment element 250 includes a contact 251 that is convenient for a user to perform a touch operation. The user can drive the airflow adjustment element 250 to move along the length direction through the contact 251 to change the airflow rate or airflow speed.

At the same time, in order to ensure the smooth movement of the airflow adjustment element 250 and to pause and maintain at any position, in the preferred implementation shown in FIGS. 7 and 8 , the power supply device 200 further includes a flexible damping element 252, which is made of Flexible silicone material. On the one hand, the airflow adjustment element 250 is attached to or in contact with the surface of the flexible damping element 252, so that the flexible damping element 252 can provide damping during the movement; and the frictional force in contact with the flexible material makes the airflow adjustment element 250 stop moving when it stops. is stably held in a stopped state. On the other hand, the flexible damping element 252 is generally in the shape of an annular shape extending in the length direction, and an accommodating hole for accommodating, restricting and guiding the movement trajectory of the airflow adjusting element 250 is formed in the inside thereof; direction and trajectory.

Further in the preferred implementation shown in FIG. 10 , the airflow adjustment element 250 is installed and fixed in the gap between the main casing 210 and the face shell 220 so as to facilitate its fixing. specific,

An insertion opening 211 is opened on one side of the main casing 210 along the thickness direction, and the guide wall 231 used to guide the installation and combination of the atomizing device 100 in the receiving cavity 230 is formed by extending the face shell 220 along the thickness direction; During the assembly process of the main casing 210 and the face casing 220 , the guide wall 231 can be inserted from the insertion port 211 or protruded into the main casing 210 along the direction indicated by the arrow R5 in FIG. 10 to form a fixation.

A certain gap is reserved or reserved between the side walls of the main casing 210 corresponding to the guide walls 231 , and the airflow adjustment element 250 is installed and fixed in the above-mentioned gap between the main casing 210 and the face shell 220 .

Further in the preferred implementation shown in FIG. 10 , the guide wall 231 is provided with an air flow channel 222 for connecting the second air inlet 224 and the first air inlet 21, so that the second air inlet 224 and the first air inlet 224 are connected. The air port 21 forms air flow communication.

Further, in order to ensure that when the atomizing device 100 is received in the power supply device 200, the air can only enter into the atomizing device 100 through the second air inlet hole 224, the airflow channel 222 and the first air inlet 21 in sequence, then the power supply device 200 An annular sealing element 223 surrounding the air flow channel 222 and/or the first air inlet 21 is provided to seal the gap between the air flow channel 222 and the first air inlet 21, thereby ensuring the realization of the above air flow path .

In order to facilitate the assembly of the sealing element 223 , the guide wall 231 is provided with a mounting groove 225 for accommodating and retaining the sealing element 223 .

It should be noted that the description of the present application and the accompanying drawings provide preferred embodiments of the present application, but are not limited to the embodiments described in the present specification. Improvements or changes are made according to the above description, and all these improvements and changes should fall within the protection scope of the appended claims of the present application.

Claims

An aerosol generating system, comprising an atomizing device for atomizing an aerosol-forming substrate to generate an aerosol for suction, and a power supply device for supplying power to the atomizing device;

The power supply device includes a receiving cavity, and the atomizing device is removably received in the receiving cavity; the atomizing device is provided with a first electrode, and the power supply device is provided with a second electrode; When the device is received in the receiving cavity, the second electrode forms a conductive connection with the first electrode, thereby enabling the power supply device to supply power to the atomizing device; it is characterized in that the aerosol generating system further comprises:

a retaining element configurable between a first position and a second position different from the first position; wherein,

The retaining element locks the atomizing device received in the receiving cavity when the retaining element is in the first position, so as to prevent the atomizing device from being removed from the receiving cavity;

The retaining element unlocks the atomizing device when the retaining element is in the second position.
The aerosol generating system of claim 1, wherein the power supply device further comprises:

an outer housing at least partially defining the receiving cavity;

The retention element is positioned within the outer housing and is configured to move within the outer housing to change a configuration between the first and second positions.
The aerosol generating system of claim 2, wherein the power supply device further comprises:

An operating element, at least partially exposed on the surface of the outer casing, is configured to drive the retaining element to move within the outer casing, thereby disposing from the first position to the second position.
The aerosol generating system of claim 2, wherein the outer casing is provided with:

A bracket at least partially abuts the retaining element, thereby providing support for the retaining element.
5. The aerosol-generating system of claim 4, wherein the support is provided with guide structures, and wherein the retaining element is moved within the housing at least partially guided by the guide structures.
5. The aerosol-generating system of claim 4, wherein the retaining element is configured to at least partially surround the stent in a circumferential direction of the stent.
5. The aerosol-generating system of claim 4, wherein the support at least partially defines the receiving cavity.
The aerosol generating system according to claim 4, wherein the power supply device further comprises a battery for power supply;

The second electrode is positioned on the support and at least partially exposed to the receiving cavity.
9. The aerosol-generating system of claim 8, wherein the second electrode is configured to be resilient;

When the atomizing device is received in the receiving cavity, the second electrode is at least partially compressed; during the process of removing the atomizing device from the receiving cavity, the second electrode is further configured to at least A resilient thrust applied to the atomizing device is provided in part to facilitate the removal.
5. The aerosol generating system of claim 4, wherein the holder is provided with a cavity adjacent to the receiving cavity; and the second electrode is positioned at least partially within the cavity.
11. The aerosol-generating system of claim 10, wherein the first electrode at least partially protrudes relative to the nebulizing device and is configured to when the nebulizing device is received in the receiving cavity Protruding into the cavity to form a conductive connection with the second electrode.
The aerosol generating system according to any one of claims 1 to 10, wherein the first electrode at least partially protrudes from the atomizing device.
The aerosol generating system according to any one of claims 1 to 11, wherein the atomizing device is provided with a first connection structure;

The holding element is provided with a second connection structure for cooperating with the first connection structure, and in the first position, the second connection structure cooperates with the first connection structure to form a lock on the atomizing device .
The aerosol generating system according to claim 13, wherein the first connecting structure comprises a snap groove; the second connecting structure comprises a snap fit for matching with the snap groove.
15. The aerosol generating system of claim 14, wherein the clip includes at least a part of an inclined surface arranged at an inclination; the clip groove is at least partially guided by the inclined surface of the clip to be connected to the clip. The snaps form a fit.
14. The aerosol generating system of claim 13, wherein the first connecting structure includes a groove extending at least partially along the circumference of the atomizing device;

The second connection structure includes a snap protrusion extending into the groove in the first position.
17. The aerosol generating system of claim 16, wherein the groove is formed on the first electrode.
The aerosol generating system according to any one of claims 1 to 11, wherein the power supply device further comprises:

A biasing element configured to bias the retaining element toward the first position.
19. The aerosol-generating system of claim 18, wherein the biasing element comprises a spring.
The aerosol generating system of any one of claims 2 to 11, wherein the outer casing includes a longitudinal direction, and a transverse direction perpendicular to the longitudinal direction;

The retaining element is configured to be movable in the lateral direction between the first position and the second position.
A power supply device for an aerosol generating system, used for supplying power to an atomizing device; comprising a receiving cavity, the atomizing device being removably received in the receiving cavity; the atomizing device being provided with a first electrode , the power supply device is provided with a second electrode; when the atomizing device is received in the receiving cavity, the second electrode forms a conductive connection with the first electrode, thereby enabling the power supply device to supply power to the atomizing device; It is characterized in that, the power supply device includes:

a retaining element configurable between a first position and a second position different from the first position; wherein,

The retaining element forms a lock on the nebulizing device received in the receiving cavity when in the first position to prevent the nebulizing device from being removed from the receiving cavity;

The retaining element unlocks the atomizing device when the retaining element is in the second position.