KR102330305B1 - Cartridge and Aerosol generating device including the same - Google Patents

Abstract

The cartridge for an aerosol generating device according to an embodiment includes a first reservoir for storing a liquid composition, a second reservoir for holding the liquid composition flowing from the first reservoir, an atomizer for heating the liquid composition held in the second reservoir, It is disposed between the first reservoir and the second reservoir and includes a valve unit that allows the flow of the liquid composition from the first reservoir to the second reservoir when the user inhales, and a suction detection sensor that detects the user's inhalation, wherein the atomization unit includes a liquid Comprising a wick for absorbing the composition, and a heater for heating the wick, at least a portion of the end of the atomizing part is inserted into the second reservoir, and the valve part is opened by electromagnetic force generated when the inhalation sensor detects the user's inhalation. to allow flow of the liquid composition from the first reservoir to the second reservoir.

Description

Cartridge and aerosol generating device including the same

Embodiments relate to a cartridge for an aerosol generating device and an aerosol generating device including the same, and more particularly, an aerosol generating device comprising a first reservoir and a second reservoir separated from each other, and opening and closing a flow path through a valve using electromagnetic force It relates to a cartridge for use and an aerosol generating device comprising the same.

In recent years, there has been an increasing demand for an alternative method that overcomes the disadvantages of conventional cigarettes. For example, there is a growing need for a method of generating an aerosol by heating the aerosol-generating material in a cigarette or cartridge rather than a method of generating the aerosol by burning a cigarette. Accordingly, studies on a heated cigarette or a heated cartridge and an aerosol generating device including the same are being actively conducted.

The aerosol generating device may comprise a cartridge capable of generating an aerosol, the cartridge having a liquid reservoir wherein the liquid composition in the liquid reservoir can be absorbed into a wick, such as a wick, and heated by a heating element.

The heating element heats the liquid composition and the outside air to generate an aerosol. Accordingly, the aerosol generating device has an airflow inlet that allows outside air to enter the cartridge.

When a user uses the aerosol generating device, the liquid composition flows from the liquid reservoir to the wick. That is, the general structure of the aerosol generating device including the conventional cartridge has a configuration in which the aerosol is generated by flowing from the liquid storage tank to the wick and then heated in the wick.

In this case, when the aerosol generating device is inhaled unevenly by the user, an excess or shortage of the liquid composition delivered to the core may occur. If the liquid composition delivered to the wick is not constant, leakage may occur in the aerosol generating device, which may cause various problems including burning of the liquid composition.

In addition, when the liquid composition leaks out of other components in the aerosol-generating device or the aerosol-generating device leaks, the liquid composition flows out of the vaporizer and can be delivered to the user.

If leakage occurs repeatedly in the aerosol-generating device, the components of the aerosol-generating device may become contaminated, which may weaken the performance of the components of the aerosol-generating device and render the aerosol-generating device inoperable. In addition, when the liquid composition leaks into the airflow inlet of the aerosol generating device, the user of the aerosol generating device may feel discomfort due to the leaked liquid composition.

The present embodiments provide an aerosol generating device for dividing a liquid storage tank into a first storage tank and a second storage tank and at the same time adjusting the flow of a liquid composition between the divided liquid storage tanks through a valve using electromagnetic force. Accordingly, the aerosol-generating device according to the embodiments can achieve a uniform flow of the liquid composition and prevent leakage of the liquid in the aerosol-generating device.

Embodiments provide a cartridge for an aerosol generating device.

Embodiments also provide an aerosol-generating device comprising a cartridge for the aerosol-generating device.

The technical problems to be achieved by the present embodiments are not limited to the technical problems as described above, and other technical problems may be inferred from the following embodiments.

A cartridge for an aerosol generating device according to an embodiment includes a first reservoir for storing a liquid composition; a second reservoir holding the liquid composition flowing from the first reservoir; an atomization unit for heating the liquid composition held in the second storage tank; a valve part disposed between the first reservoir and the second reservoir to allow a flow of the liquid composition from the first reservoir to the second reservoir when a user inhales; and an inhalation detection sensor for detecting the user's inhalation; Including, wherein the atomization part wick for absorbing the liquid composition; and a heater unit for heating the wick, wherein at least a portion of both ends of the atomization unit are inserted into the second reservoir, and the valve unit is opened when the suction sensor detects the user's suction to open the first reservoir. to allow flow of the liquid composition from said second reservoir.

A through hole through which the liquid composition flows is formed between the first reservoir and the second reservoir, and the valve unit opens the through hole when the user's inhalation is sensed, and closes the through hole when the user's suction stops have.

A plurality of the through holes may be formed, and the valve unit may have a number corresponding to the number of the through holes.

The valve unit may determine the flow of the liquid composition from the first reservoir to the second reservoir by alternately moving between a first position for closing the through hole and a second position for opening the through hole.

An elastic part for moving the valve part to the first position may be formed on the valve part.

The valve part is maintained in the first position by the elastic force of the elastic part, and the valve part can be moved from the first position to the second position by the electromagnetic force generated when the suction sensor detects the user's suction. .

An electromagnetic unit providing electromagnetic force to the valve unit may be disposed at one side of the valve unit.

The valve part, the elastic part, and the electromagnetic part may be arranged in parallel to form the same longitudinal central axis.

The diameter of the cross-sectional area of the valve part may decrease as it approaches the through hole.

The valve portion can be hermetically sealed to the through hole in the first position by including a material having elasticity.

The wick portion may have a longitudinal axis in a direction transverse to the central axis of the through hole.

The second reservoir may have a cavity therein, and the atomization unit may be disposed in the cavity.

An aerosol-generating device according to another embodiment includes a cartridge for an aerosol-generating device according to an embodiment; and a main body in which a battery and a control unit are mounted.

The cartridge for the aerosol generating device and the aerosol generating device according to the present embodiments have a structure in which the liquid reservoir is divided into a first reservoir and a second reservoir. The separated liquid storage tank may be composed of a first storage tank for storing the liquid composition and a second storage tank for holding the liquid composition flowing from the first storage tank.

Accordingly, when the liquid composition is delivered to a liquid delivery means such as a wick, only a predetermined amount of the liquid composition can flow, thereby preventing leakage in the aerosol generating device and unnecessary use and damage of the liquid delivery means. can

When the liquid composition is prevented from leaking, problems that may occur in the aerosol-generating device and the aerosol-generating device due to the leakage of the liquid composition, for example, deterioration in performance and malfunction of the aerosol-generating device can be prevented.

In the present embodiments, the flow of the liquid composition between the first and second reservoirs separated from each other can be adjusted through a valve using an electromagnet principle. Accordingly, the cartridge for the aerosol generating device and the aerosol generating device according to the embodiments can achieve a uniform flow of the liquid composition.

1 is a longitudinal cross-sectional view of a cartridge for an aerosol generating device according to an embodiment;
Figure 2a is an internal perspective view according to an aspect of the cartridge for an aerosol-generating device according to the embodiment shown in Figure 1, Figure 2b is an aerosol-generating device according to an aspect of the cartridge according to the embodiment shown in Figure 1 This is a partial enlarged view.
Figure 3a is an internal perspective view according to another aspect of the cartridge for the aerosol-generating device according to the embodiment shown in Figure 1, Figure 3b is according to another aspect of the cartridge for the aerosol-generating device according to the embodiment shown in Figure 1 This is a partial enlarged view.
4 is a cross-sectional view of an aerosol generating device according to another embodiment.

Terms used in the embodiments are selected as currently widely used general terms as possible while considering functions in the present invention, but may vary depending on intentions or precedents of those of ordinary skill in the art, emergence of new technologies, and the like. In addition, in a specific case, there is a term arbitrarily selected by the applicant, and in this case, the meaning will be described in detail in the description of the corresponding invention. Therefore, the term used in the present invention should be defined based on the meaning of the term and the overall content of the present invention, rather than the name of a simple term.

In the entire specification, when a part "includes" or "includes" a certain component, it means that other components may be further provided, rather than excluding other components, unless otherwise stated. A component in the singular may mean both the singular and the plural, unless the composition is specifically limited. In addition, terms such as "unit" and "module" described in the specification mean a unit that processes at least one function or operation, which may be implemented as hardware or software, or a combination of hardware and software. have.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those of ordinary skill in the art can easily carry out the embodiments of the present invention. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein.

1 is a longitudinal cross-sectional view of a cartridge 100 for an aerosol generating device according to an embodiment.

Cartridge 100 for an aerosol generating device according to an embodiment is a first reservoir 110 for storing a liquid composition, a second reservoir 120 for holding a liquid composition flowing from the first reservoir 110, a second reservoir It is disposed between the atomization unit 130 for heating the liquid composition held in 120, the first storage tank 110 and the second storage tank 120, and the second storage tank 120 from the first storage tank 110 when the user inhales. ) includes a valve portion 140 that allows the flow of the liquid composition to the flow, and a suction detection sensor 150 that detects the user's inhalation.

The atomization unit 130 includes a wick unit 131 for absorbing the liquid composition, and a heater unit 132 for heating the wick unit 131, and at least a portion of the end of the atomization unit 130 is a second storage tank ( 120 , and the valve unit 140 is opened when the suction sensor 150 detects the user's inhalation to allow the flow of the liquid composition from the first reservoir 110 to the second reservoir 120 .

The cartridge 100 for an aerosol generating device according to an embodiment includes a first reservoir 110 for storing the liquid composition. The first storage tank 110 may have a shape for storing the liquid composition. The first reservoir 110 may be, for example, cylindrical, prismatic, or spherical, but the shape of the first reservoir 110 is not limited thereto and may be changed as necessary.

The liquid composition stored in the first storage tank 110 may be a liquid containing a tobacco-containing material including a volatile tobacco flavor component, or a liquid containing a non-tobacco material. For example, the liquid composition may include water, a solvent, ethanol, a plant extract, a fragrance, a flavoring agent, or a vitamin mixture. The fragrance may include, but is not limited to, menthol, peppermint, spearmint oil, various fruit flavoring ingredients, and the like. Flavoring agents may include ingredients that can provide a user with a variety of flavors or flavors. The vitamin mixture may be a mixture of at least one of vitamin A, vitamin B, vitamin C, and vitamin E, but is not limited thereto. Liquid compositions may also include aerosol formers such as glycerin and propylene glycol.

The cartridge 100 for an aerosol generating device according to an embodiment may include a second reservoir 120 holding the liquid composition flowing from the first reservoir 110 . That is, the second storage tank 120 may temporarily hold the liquid composition flowing from the first storage tank 110 , and the liquid composition is stored in the first storage tank 110 and then passes through the second storage tank 120 to the atomization part. (130) can flow.

The cartridge 100 for an aerosol generating device according to an embodiment is disposed between the first reservoir 110 and the second reservoir 120, and the liquid from the first reservoir 110 to the second reservoir 120 when the user inhales. It may include a valve unit 140 that allows the flow of the composition and a suction sensor 150 that detects the user's inhalation.

The valve unit 140 is disposed between the first storage tank 110 and the second storage tank 120 to prevent the flow of the liquid composition from the first storage tank 110 to the second storage tank 120 in ordinary times. That is, the valve unit 140 blocks the flow path between the first reservoir 110 and the second reservoir 120 when the user does not use or stops using the cartridge 100 for the aerosol generating device by blocking the flow path of the liquid composition. flow can be prevented.

In the cartridge 100 for an aerosol generating device according to an embodiment, the valve unit 140 may allow the flow of the liquid composition from the first reservoir 110 to the second reservoir 120 upon inhalation of the user. That is, the valve unit 140 opens the flow path between the first reservoir 110 and the second reservoir 120 when inhalation is sensed by the user using the cartridge 100 for the aerosol generating device, thereby allowing the flow of the liquid composition. can allow

As the flow path between the first reservoir 110 and the second reservoir 120 is opened, the liquid composition may flow from the first reservoir 110 to the second reservoir 120 through the open flow path.

In the cartridge 100 for an aerosol generating device according to an embodiment, the user's inhalation may be detected through the inhalation detection sensor 150 . The inhalation detection sensor 150 may be, for example, a drop in pressure in the cartridge 100 for an aerosol-generating device due to the user's smoking, a change in temperature of the cartridge 100 for an aerosol-generating device, or the cartridge 100 for an aerosol-generating device. It is possible to detect the user's smoking by sensing the flow of air inside. The suction detection sensor 150 may be a puff detection suction detection sensor 150 , a temperature detection suction detection sensor 150 , etc., but the operating principle and type of the suction detection sensor 150 is not limited thereto.

The atomization unit 130 of the cartridge 100 for an aerosol generating device according to an embodiment may include a wick unit 131 for absorbing the liquid composition and a heater unit 132 for heating the wick unit 131 .

The wick 131 absorbs the liquid composition from the second reservoir 120 . The wick 131 may be formed of a material capable of absorbing the liquid composition, for example, may include at least one of cotton, silica wick, stainless mesh, and glass fiber. The wick 131 may have a cylindrical or prismatic shape, but the shape that the wick 131 may have is not limited thereto.

The heater unit 132 may generate an aerosol by heating the liquid composition absorbed by the wick unit 131 . The heater unit 132 may have a shape in which at least a portion of the core unit 131 is wound in the central portion of the core unit 131 . The heater unit 132 may have, for example, a coil or filament shape, but as long as the core unit 131 can be heated, the shape of the heater unit 132 is not limited thereto.

The material of the heater unit 132 may include at least one of nichrome, kanthal, tantalum, stainless, tungsten, nickel, and titanium, but is not limited thereto.

When the user uses the cartridge 100 for the aerosol generating device, the heater unit 132 may be heated to a high temperature. As the heater unit 132 is heated to a high temperature, the liquid composition contained in the wick unit 131 may be heated in the atomization unit 130 to generate an aerosol.

In the cartridge 100 for an aerosol generating device according to an embodiment, at least a portion of both ends of the atomizing unit 130 is inserted into the second reservoir 120 .

At least a portion of both ends of the atomization unit 130 may be inserted into the second storage tank 120 to be in close contact with the second storage tank 120 . In this case, both end portions of the atomization unit 130 may be formed of a wick unit 131 . Since the wick portion 131 may be formed of a material capable of absorbing the liquid composition, the liquid composition flowing from the first storage tank 110 to the second storage tank 120 is disposed at both ends of the atomization portion 130 . can be absorbed. Accordingly, the liquid composition is contained in the atomization unit 130 . At this time, the wick portion 131 is formed of a material capable of absorbing the liquid composition flowing from the second storage tank 120 uniformly, thereby inducing uniform atomization of the liquid composition.

In the cartridge 100 for an aerosol generating device according to an embodiment, the valve unit 140 is opened when the inhalation detection sensor 150 detects the user's inhalation, and from the first reservoir 110 to the second reservoir 120 . The liquid composition may be allowed to flow.

When the user uses the cartridge 100 for an aerosol generating device according to an embodiment, the user's inhalation may be detected through the inhalation detection sensor 150 of the cartridge 100 .

The valve unit 140 may be disposed between the first reservoir 110 and the second reservoir 120 to prevent the liquid composition from flowing from the first reservoir 110 to the second reservoir 120 .

As an example, the valve unit 140 may open a flow path by electromagnetic force provided to the valve unit 140 . When provided with electromagnetic force of a predetermined strength according to the user's inhalation, the valve unit 140 may allow the flow of the liquid composition by opening the flow path between the first reservoir 110 and the second reservoir 120, As the flow path between the first reservoir 110 and the second reservoir 120 is opened, the liquid composition may flow from the first reservoir 110 to the second reservoir 120 through the open flow path.

The electromagnetic force of a predetermined strength displaces the valve closing the flow paths of the first reservoir 110 and the second reservoir 120 to open the flow path between the first reservoir 110 and the second reservoir 120 . size, and the strength of the electromagnetic force may be changed according to the material, structure, or size of the valve.

As another example, the valve unit 140 may open a flow path by a mechanical mechanism or an electronic mechanism provided to the valve unit 140 . A mechanical mechanism may be a method of moving the valve unit 140 using a screw structure that may be formed in the valve unit 140 , and may be a method performed by a user.

The electronic mechanism may be a method of moving the valve unit 140 using a motor that may be formed in the valve unit 140 . The motor may be connected to the valve unit 140 to move the valve unit 140 . The motor that may be formed in the valve unit 140 may be, for example, one of a coil motor, a piezo motor, and a servo motor. FIG. 2A is a cartridge 100 for an aerosol generating device according to an embodiment shown in FIG. It is an internal perspective view according to an aspect, and FIG. 2B is a partially enlarged view according to an aspect of the cartridge 100 for an aerosol generating device according to an embodiment shown in FIG. 1 .

Referring to FIGS. 2A and 2B , the cartridge 100 for an aerosol generating device according to an embodiment is when the through hole 115, which is a flow path between the first reservoir 110 and the second reservoir 120, is closed. ) can be found in more detail.

In the cartridge 100 for an aerosol generating device according to an embodiment, a through hole 115 through which the liquid composition flows between the first reservoir 110 and the second reservoir 120 is formed, and the valve unit 140 is the user's The through hole 115 may be opened when suction is sensed, and the through hole 115 may be closed when the user's suction is stopped.

In the cartridge 100 for an aerosol generating device according to an embodiment, a through hole 115 may be formed between the first reservoir 110 and the second reservoir 120 . The through hole 115 may be a flow path through which the liquid composition stored in the first storage tank 110 may flow to the second storage tank 120 . The through hole 115 may be a cylinder having a circular cross section as shown in the drawings, but as long as the liquid composition can flow, the shape and size of the through hole 115 may be changed as needed.

The aperture 115 may be formed symmetrically with respect to the longitudinal axis of the cartridge 100 for an aerosol generating device according to an embodiment. For example, the through hole 115 may be formed symmetrically with respect to the longitudinal axis of the cartridge 100 .

In the aerosol generating device 300 according to an embodiment, a plurality of through-holes 115 are formed, and the valve unit 140 may have a number corresponding to the number of the through-holes 115 . For example, two through-holes 115 may be formed symmetrically with respect to the longitudinal axis of the cartridge 100 , but the number and position of the through-holes 115 may be changed as needed, and is not limited thereto.

In the cartridge 100 for an aerosol generating device according to an embodiment, the valve 140 may be formed to correspond to the number, position, and size of the through holes 115 . For example, when two through-holes 115 are formed symmetrically with respect to the longitudinal axis, two valve units 140 may be formed symmetrically with respect to the longitudinal axis to close the through-holes 115 .

At this time, the size of the cross-section of the valve unit 140 in contact with the through hole 115 may be a size capable of closing the through hole 115 by airtightly contacting the through hole 115 , and the valve unit 140 has the through hole 115 . ) and may include a material having elasticity so as to close the through hole 115 in airtight contact.

In the cartridge 100 for an aerosol generating device according to an embodiment, the valve unit 140 alternately moves between a first position for closing the through hole 115 and a second position for opening the through hole 115 , so that the first The flow of the liquid composition from the storage tank 110 to the second storage tank 120 may be determined.

In the cartridge 100 for an aerosol generating device according to an embodiment, the valve unit 140 may be located in a first position for closing the through hole 115 . In this case, the first position may be a position where the valve unit 140 is disposed when the user does not use or stops using the cartridge 100 for the aerosol generating device. When the valve unit 140 is in the first position, the flow of the liquid composition may be prevented by blocking the through hole 115 that is a flow path between the first reservoir 110 and the second reservoir 120 .

In the cartridge 100 for an aerosol generating device according to an embodiment, the valve 140 may be located at a second position for opening the through hole 115 . In this case, the second position may be a position where the valve unit 140 is disposed when the user inhales the cartridge 100 for the aerosol generating device. When the valve unit 140 is in the second position, the flow of the liquid composition may be allowed by opening the through hole 115 , which is a flow path between the first reservoir 110 and the second reservoir 120 .

In the cartridge 100 for an aerosol generating device according to an embodiment, the valve unit 140 may alternately move a first position and a second position, and the alternating movement of the valve unit 140 is the first reservoir 110 . ) to the second reservoir 120 may determine the flow of the liquid composition. As an example, the movement of the valve unit 140 may be performed by electromagnetic force provided from the cartridge 100 for the aerosol generating device to the valve unit 140, and the electromagnetic force is the inhalation detection sensor 150 sensing the user's inhalation. It may be generated and provided to the valve unit 140 when it is performed.

In the cartridge 100 for an aerosol generating device according to an embodiment, an elastic part 145 for moving the valve part 140 to the first position may be formed in the valve part 140 . When the valve unit 140 is in the first position, the flow of the liquid composition is prevented by blocking the through hole 115 that is a flow path between the first reservoir 110 and the second reservoir 120 . In this case, an elastic part 145 that provides a force for moving and maintaining the valve part 140 in the first position direction may be formed in the valve part 140 .

The elastic part 145 may be formed, for example, at the lower end of the valve part 140 to provide an elastic force for moving and maintaining the valve part 140 in the first position direction. As the elastic part 145 provides an elastic force to the valve part 140 in a direction toward the first position, the valve part 140 closes the through hole 115 to prevent flow of the liquid composition. At least a portion of the elastic part 145 may extend to the second storage tank 120 , and the valve part 140 and the elastic part 145 may be integrally formed.

In the cartridge 100 for an aerosol generating device according to an embodiment, the valve part 140 is maintained in the first position by the elastic force of the elastic part 145, and the valve part 140 is the inhalation detection sensor 150 by the user. It can move from the first position to the second position by the electromagnetic force generated when the suction is sensed. As the valve unit 140 moves to the second position, the through hole 115, which is a flow path between the first reservoir 110 and the second reservoir 120, may be opened, and thus the flow of the liquid composition may be allowed. can

3A is an internal perspective view according to another aspect of the cartridge 100 for an aerosol-generating device according to the embodiment shown in FIG. 1 , and FIG. 3B is a cartridge 100 for an aerosol-generating device according to the embodiment shown in FIG. 1 . ) is a partial enlarged view according to another aspect.

Referring to FIGS. 3A and 3B , the cartridge 100 for an aerosol generating device according to another embodiment is when the through hole 115, which is a flow path between the first reservoir 110 and the second reservoir 120, is opened. ) can be found in more detail.

In the cartridge 100 for an aerosol generating device according to an embodiment, an electromagnetic unit 160 that provides electromagnetic force to the valve unit 140 may be disposed on one side of the valve unit 140 . The electromagnetic unit 160 may move the valve unit 140 located in the first position to the second position by providing electromagnetic force to the valve unit 140 .

In the cartridge 100 for an aerosol generating device according to an embodiment, the valve unit 140 , the elastic unit 145 , and the electromagnetic unit 160 form the same longitudinal central axis and may be arranged side by side. The valve part 140, the elastic part 145, and the electromagnetic part 160 form the same longitudinal central axis and are arranged side by side so that the valve part 140 smoothly alternates between the first position and the second position. It can be displaced to, and it enables the miniaturization of the cartridge 100 by using the space of the smallest ring.

The electromagnetic unit 160 disposed on one side of the valve unit 140 is configured to move the valve unit 140 in the second position direction, that is, in a direction away from the through hole 115 when the user's suction is sensed. 140) can provide electromagnetic force. When the valve unit 140 is moved to the second position by the electromagnetic force generated by the electromagnetic unit 160 , the through hole 115 , which is a flow path between the first reservoir 110 and the second reservoir 120 , may be opened. have. The flow of the liquid composition can thus be allowed.

As the cartridge 100 for an aerosol generating device according to an embodiment includes the first reservoir 110 and the second reservoir 120 separated from each other as a means for storing the liquid composition, the flow of the liquid composition can be adjusted more effectively. and leakage of the liquid composition in the cartridge 100 can be prevented.

In the aerosol generating device 300 according to an embodiment, the diameter of the cross-sectional area of the valve unit 140 may be reduced as it approaches the through hole 115 . For example, the valve unit 140 may have a truncated cone shape, and the truncated cone valve unit 140 may have a cross-sectional area having a diameter that decreases as it approaches the through hole 115 . However, the shape of the valve unit 140 is not limited thereto as long as the valve unit 140 can contact the through hole 115 to close the through hole 115 .

In the aerosol generating device 300 according to an embodiment, the valve 140 may be hermetically sealed to the through hole 115 in the first position by including a material having elasticity. As the valve unit 140 is made of a material having elasticity, the valve unit 140 can be flexibly introduced into the through hole 115, and thus the through hole 115 and the valve unit 140 can make airtight contact with each other. have.

As the diameter of the cross-sectional area of the valve unit 140 decreases as it approaches the through hole 115 , the valve unit 140 may more tightly contact the through hole 115 at the first position. As the valve unit 140 airtightly contacts the through hole 115 at the first position, the liquid composition may be stored in the first reservoir 110 without leaking into the second reservoir 120 . The valve unit 140 may move from the first position to the second position only upon inhalation to open the through hole 115 , and the liquid composition may enter the second storage tank through the through hole 115 opened in the first storage tank 110 . (120) and may flow to the atomization unit (130).

In the aerosol generating device 300 according to an embodiment, the wick 131 of the atomizing unit 130 may have a longitudinal axis in a direction transverse to the central axis of the through hole 115 . At least a portion of both ends of the wick portion 131 may be inserted into the second storage tank 120 to absorb the liquid composition flowing into the second storage tank 120 through the through hole 115 . After the liquid composition is stored in the first storage tank 110 , when the user's inhalation is sensed, the liquid composition is movable to the atomization unit 130 through the second storage tank 120 . The liquid composition moved to the atomization unit 130 through the wick unit 131 is heated by the heater unit 132 to generate an aerosol, and then may be inhaled by the user.

In the cartridge 100 for an aerosol generating device according to an embodiment, the second reservoir 120 has a cavity therein, and the atomization unit 130 may be disposed in the cavity inside the second reservoir 120 . The cavity inside the second reservoir 120 may be in fluid communication with an airflow path through which air from the outside flows and a central channel through which the generated aerosol flows to the user. That is, the air introduced from the outside may be delivered to the user through the central channel after generating an aerosol together with the liquid composition heated in the atomization unit 130 .

As leakage of the liquid composition in the cartridge 100 for an aerosol-generating device according to an embodiment is prevented, the leakage of the liquid composition may cause problems to the cartridge 100 and the user for the aerosol-generating device (degradation of performance and malfunctioning) ) can be prevented from occurring.

4 is a cross-sectional view of an aerosol generating device 300 according to another embodiment.

The aerosol generating device 300 according to another embodiment may include the cartridge 100 and the battery 220 and the controller 210 for the aerosol generating device according to one embodiment of the main body 200 are mounted.

With respect to the cartridge 100 for the aerosol generating device according to an embodiment is the same as described above, the detailed description in the overlapping range will be omitted.

The aerosol generating device 300 according to another embodiment includes a main body 200 equipped with a battery 220 and a controller 210, the main body 200 is combined with the cartridge 100 for an aerosol generating device. can be electrically connected.

In the aerosol generating device 300 according to another embodiment, the battery 220 supplies power used to operate the aerosol generating device 300 . For example, the battery 220 may supply power so that the atomization unit 130 is heated, and may supply power necessary for the control unit 210 to operate. In addition, the battery 220 may supply power required to operate a display, a sensor, a motor, etc. installed in the aerosol generating device 300 .

The controller 210 controls the operation of the aerosol generating device 300 . Specifically, the control unit 210 controls the operation of the battery 220 and the atomizer 130 as well as other components provided in the aerosol generating device 300 . Also, the controller 210 may determine whether the aerosol generating device 300 is in an operable state by checking the state of each of the components of the aerosol generating device 300 .

The control unit 210 includes at least one processor. The processor may be implemented as an array of a plurality of logic gates, or may be implemented as a combination of a general-purpose microprocessor and a memory in which a program executable in the microprocessor is stored. In addition, it can be understood by those skilled in the art that the present embodiment may be implemented in other types of hardware.

The cartridge 100 and the aerosol generating device 300 for an aerosol generating device according to the present embodiments include a first reservoir 110 and a second reservoir 120 separated from each other, and the first reservoir 110 and the second reservoir 2 The flow of the liquid composition between the storage tanks 120 is adjusted through a valve using the electromagnet principle. Accordingly, it is possible to achieve a uniform flow of the liquid composition in the aerosol generating device 300 , and it is possible to prevent leakage of the liquid composition in the aerosol generating device 300 .

Those of ordinary skill in the art related to the present embodiment will understand that it can be implemented in a modified form within a range that does not deviate from the essential characteristics of the above description. Therefore, the disclosed methods are to be considered in an illustrative rather than a restrictive sense. The scope of the present invention is indicated in the claims rather than the foregoing description, and all differences within the scope equivalent thereto should be construed as being included in the present invention.

100: cartridge 110: first reservoir
115: through hole 120: second storage tank
130: fig part 131: core part
132: heater unit 140: valve unit
145: elastic part 150: suction detection sensor
160: electronic unit 200: body unit
210: control unit 220: battery
300: aerosol generating device

Claims (13)

a first reservoir for storing the liquid composition;
a second reservoir holding the liquid composition flowing from the first reservoir;
an atomization unit for heating the liquid composition held in the second storage tank;
a valve part disposed between the first reservoir and the second reservoir to allow a flow of the liquid composition from the first reservoir to the second reservoir when a user inhales; and
Inhalation detection sensor for detecting the user's inhalation; including,
The atomization unit includes a wick for absorbing the liquid composition; and a heater for heating the wick,
At least a portion of both ends of the atomization unit is inserted into the second storage tank,
The valve part is opened when the inhalation sensor detects the user's inhalation to allow the flow of the liquid composition from the first reservoir to the second reservoir,
A through hole through which the liquid composition flows is formed between the first storage tank and the second storage tank,
The valve unit opens the through-hole when the user's suction is sensed, and closes the through-hole when the user's suction stops,
wherein the valve portion determines the flow of the liquid composition from the first reservoir to the second reservoir by alternately moving between a first position for closing the aperture and a second position for opening the aperture;
An elastic part for moving the valve part to the first position is formed on the valve part,
The valve part is maintained in the first position by the elastic force of the elastic part, and the valve part moves from the first position to the second position by the electromagnetic force generated when the suction sensor detects the user's suction, Cartridges for aerosol-generating devices. delete The method of claim 1,
A plurality of the through holes are formed,
A cartridge for an aerosol generating device, wherein the valve portion has a number corresponding to the number of the through holes. delete delete delete The method of claim 1,
An electromagnetic part for providing an electromagnetic force to the valve part is disposed on one side of the valve part, a cartridge for an aerosol generating device. 8. The method of claim 7,
The valve part, the elastic part, and the electromagnetic part form the same longitudinal central axis and are arranged side by side, the cartridge for an aerosol generating device. The method of claim 1,
A cartridge for an aerosol generating device, wherein the diameter of the cross-sectional area of the valve portion is reduced as it approaches the through hole. The method of claim 1,
and the valve portion is hermetically sealed to the aperture in the first position by comprising a material having elasticity. The method of claim 1,
wherein the wick has a longitudinal axis in a direction transverse to the central axis of the aperture. The method of claim 1,
the second reservoir has a cavity therein;
The atomization unit is disposed in the cavity, a cartridge for an aerosol generating device. 13. A cartridge for an aerosol generating device according to any one of claims 1, 3 and 7 to 12; and
Including, the aerosol generating device;

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