ATOMIZER AND AEROSOL GENERATING DEVICE

Provided are an atomizer and an aerosol generating device; in the atomizer structure, a porous medium is arranged in a liquid storage cavity, the porous medium can adsorb an aerosol forming substrate in the liquid storage cavity, and the adsorbed aerosol forming substrate can be held in the porous medium. When the atomizer operates, the aerosol forming substrate held in the porous medium can be slowly and uniformly transmitted to a liquid inlet through the porous medium such that the speed at which the aerosol forming substrate flows into the atomizing cavity through the liquid inlet is reduced, and the situation that the speed of flow of the aerosol forming substrate in the liquid storage cavity entering the atomizing cavity is too high is prevented, thus effectively reducing the risk of liquid leakage.

TECHNICAL FIELD

The present disclosure relates to the technical field of simulated smoking, and particularly relates to an atomizer and an aerosol generating device.

BACKGROUND

As a common simulated smoking product, aerosol generating devices usually include an atomizer and a power supply device electrically connected to the atomizer. The atomizer can heat and atomize the aerosol-forming substrate stored in the atomizer under the electric drive of the power supply device for the user to inhale to achieve the effect of simulating smoking.

Currently, in the atomizer structure of an aerosol generating device, the liquid storage cavity is generally in direct communication with the atomizing core through the liquid inlet. During the operation of the atomizer, the aerosol-forming substrate stored in the liquid storage cavity, under the action of its own gravity, usually causes the aerosol-forming substrate to flow into the atomizer core at a too fast flow rate, which may easily cause the atomizer to leak.

SUMMARY

Based on the above problems existing in the prior art, a first object of the embodiments of the present disclosure is to provide an atomizer to solve the problem in the prior art that the flow rate of the aerosol-forming substrate into the atomizer core is too fast, which easily causes liquid leakage in the atomizer.

In order to achieve the above object, the technical solution adopted by the present disclosure is: an atomizer is provided, including:a liquid storage member having a liquid storage cavity therein for storing an aerosol-forming substrate, wherein the liquid storage member is provided with a smoke outlet for the user to inhale smoke;an atomizing core provided in the liquid storage member, wherein an atomizing cavity in communication with the smoke outlet is formed inside the atomizing core, the atomizing core is provided with a liquid inlet in communication with the liquid storage cavity and the atomizing cavity; anda porous medium provided in the liquid storage cavity, wherein the porous medium is configured to adsorb the aerosol-forming substrate in the liquid storage cavity and hold the adsorbed aerosol-forming substrate in the porous medium;wherein the aerosol-forming substrate held in the porous medium can be transmitted to the liquid inlet through the porous medium to slow down the flow rate of the aerosol-forming substrate into the atomizing cavity through the liquid inlet.

Further, the porous medium is made of at least one of porous cotton liquid-conducting member, porous sponge liquid-conducting member, porous glass fiber liquid-conducting member, porous ceramic liquid-conducting member, and porous graphite liquid-conducting member.

Further, the porous medium is substantially columnar, the porous medium is provided with a receiving hole along its axial direction, the atomizing core is inserted into the receiving hole, the liquid inlet is located in the receiving hole, so that the porous medium covers the liquid inlet of the atomizing core.

Further, an outer peripheral surface of the porous medium abuts against an inner surface of the liquid storage cavity, a hole wall of the receiving hole abuts against an outer peripheral surface of the atomizing core.

Further, along an axial direction of the porous medium, a height of the porous medium is equal to 35%-50% of a height of the liquid storage cavity.

Further, the atomizer further includes a liquid-conducting layer sleeved at the outer peripheral surface of the atomizing core, the liquid-conducting layer covers the liquid inlet.

Further, the outer peripheral surface of the atomizing core is provided with a positioning groove for positioning the liquid-conducting layer, and the liquid-conducting layer is accommodated in the positioning groove.

Further, the atomizer further includes a mouthpiece provided at the top of the liquid storage member, and the smoke outlet is provided on the mouthpiece.

Further, the atomizing core includes an atomizing bracket located in the liquid storage member and a heating member for heating and atomizing the aerosol-forming substrate, the atomizing cavity is provided inside the atomizing bracket, the heating member is provided in the atomizing cavity, the atomizing bracket is provided with the liquid inlet.

Based on the above problems existing in the prior art, a second object of the embodiments of the present disclosure is to provide an aerosol generating device having the atomizer in any of the above solutions.

In order to achieve the above object, the technical solution adopted by the present disclosure is to provide an aerosol generating device including the atomizer provided by any of the above solutions.

One or more of the above technical solutions in the embodiments of the present disclosure, compared with the prior art, has at least one of the following beneficial effects:

The embodiment of the present disclosure provides an atomizer and an aerosol generating device. In the atomizer structure, a porous medium is provided in the liquid storage cavity, the porous medium can adsorb the aerosol-forming substrate in the liquid storage cavity and hold the adsorbed aerosol-forming substrate in the porous medium. When the atomizer is working, the aerosol-forming substrate held in the porous medium can be slowly and uniformly transmitted to the liquid inlet through the porous medium, to slow down the flow rate of the aerosol-forming substrate into the atomizing cavity through the liquid inlet, and prevent the aerosol-forming substrate in the liquid storage cavity from entering the atomizing cavity too fast, thereby effectively reducing the risk of liquid leakage. Furthermore, since the aerosol-forming substrate in the liquid storage cavity needs to be transmitted to the liquid inlet through the porous medium, to prevent the aerosol-forming substrate in the liquid storage cavity from entering the atomizing cavity directly through the liquid inlet, while slowing down the flow rate of the aerosol-forming substrate, thereby achieving the effect of uniform liquid introduction, which is beneficial to improving the atomizing effect. Moreover, by limiting the height of the porous medium, the liquid storage and liquid conduction capabilities of the porous medium are balanced.

Among them, the reference signs in the figures are:

DETAILED DESCRIPTION OF THE EMBODIMENTS

In order to make the technical problems, technical solutions and beneficial effects to be solved by this disclosure more clear, the disclosure will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only configured to explain the present disclosure and are not intended to limit the present disclosure.

It should be noted that when an element is referred to as being “connected to” or “disposed to” another element, it can be directly on another element or indirectly on that other element. When a component is said to be “connected to” another component, it can be directly connected to another element or indirectly connected to the other element.

In addition, the terms “first” and “second” are used for descriptive purposes only, it cannot be understood as indicating or implying the relative importance or implicitly indicating the quantity of the technical features indicated. Therefore, features defined as “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present disclosure, “multiple” means two or more, unless otherwise expressly and specifically limited. “Plural” means one or more than one, unless otherwise expressly and specifically limited.

In the description of the present disclosure, it should be understood that the orientations or positional relationships indicated by the terms “length”, “width”, “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outside”, etc. are based on the orientations or positional relationships shown in the accompanying drawings. This is only for the convenience of describing the present disclosure and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation of the present disclosure.

In the description of the present disclosure, it should be noted that, unless otherwise explicitly stipulated and limited, the terms “installed”, “mounted” and “connected” should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate element; it can be the internal connection between two elements or the interaction between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present disclosure can be understood according to specific circumstances.

Reference throughout this specification to “an embodiment” or “one embodiment” means that a specific feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the phrases “in one embodiment,” “in some embodiments,” or “in some of the embodiments” appear in various places throughout this specification, and not all are referring to the same embodiment. In addition, the specific features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

Please refer toFIG.1toFIG.9together, the atomizer provided by the embodiment of the present disclosure is described. The atomizer provided by the embodiment of the present disclosure is suitable for an aerosol generating device, the aerosol generating device includes an atomizer and a power supply device electrically connected to the atomizer. When in use, the power supply device is configured to provide electrical energy to the atomizer. Under the action of electric drive, the atomizer heats and atomizes the aerosol-forming substrate stored in the atomizer for the user to inhale to achieve the effect of simulating smoking.

Please further refer toFIG.1,FIG.5andFIG.7, the atomizer provided by the embodiment of the present disclosure includes a liquid storage member1, an atomizing core2and a porous medium6. The liquid storage member1is provided with a liquid storage cavity13therein for storing the aerosol-forming substrate. The liquid storage member1is further provided with a smoke outlet14for the user to inhale smoke. Please further refer toFIG.2andFIG.4, in some embodiments, the liquid storage member1includes a columnar cartridge housing11and a cartridge base12assembled at the bottom opening of the cartridge housing11. The top of the cartridge housing11is provided with a smoke outlet14for the user to inhale smoke. In order to enhance the sealing between the cartridge housing11and the cartridge base12, a sealing member7is provided on the cartridge base12. The sealing member7can be, but is not limited to, a rubber member or a silicone member. Please further refer toFIG.5andFIG.7, in some other embodiments, the atomizer can further include a mouthpiece15provided at the top of the liquid storage member1, and a smoke outlet14is provided on the mouthpiece15. Please further refer toFIG.1andFIG.3, in some other embodiments, the outer outline of the cartridge housing11is substantially cylindrical. The mouthpiece15is located at the top of the liquid storage member1. The mouthpiece15is provided with a smoke outlet14. The mouthpiece15and the cartridge housing11are integrally formed. Please further refer toFIG.2andFIG.3, the cartridge housing11is also provided with a liquid filling port16in communication with the liquid storage cavity13. The liquid storage member1further includes a liquid filling plug17for opening or closing the liquid filling port16.

Please further refer toFIG.9, the atomizing core2is located in the liquid storage member1. An atomizing cavity25in communication with the smoke outlet14is formed inside the atomizing core2. The atomizing core2is provided with a liquid inlet24that communicates with the liquid storage cavity13and the atomizing cavity25. Please further refer toFIG.6,FIG.8andFIG.9, in some embodiments, the atomizing core2includes an atomizing bracket21and a heating member22for heating and atomizing the aerosol-forming substrate. The atomizing bracket21is located in the liquid storage member1. An atomizing cavity25in communication with the smoke outlet14is provided inside the atomizing bracket21. The heating member22is provided in the atomizing cavity25. The atomizing bracket21is further provided with a liquid inlet24that communicates with the liquid storage cavity13and the atomizing cavity25. In this way, the aerosol-forming substrate in the liquid storage cavity13can flow into the atomizing cavity25through the liquid inlet24. After being powered on, the heating member22can heat and atomize the aerosol-forming substrate provided by the liquid storage cavity13to form smoke in the atomizing cavity25. When the user sucks, the external air flows into the atomizing cavity25through an air inlet hole on the cartridge base12; after mixing with the smoke in the atomizing cavity25, it reaches the user's mouth through the smoke outlet14, so that the user can get the effect of simulating smoking. The heating member22can be, but is not limited to, a metal heating member with a mesh structure such as a steel mesh. The heating member22can also be a ceramic heating member with liquid absorption capability or a heating wire wrapped with liquid-absorbent cotton. Please further refer toFIG.9, in some other embodiments, the atomizing core2further includes a liquid absorbing member23for adsorbing the aerosol-forming substrate and transferring the aerosol-forming substrate to the heating member22. The liquid absorbing member23is provided in the atomizing cavity25. It can be understood that the liquid absorbing member23can be, but is not limited to, liquid-absorbent cotton or porous ceramics.

The porous medium6is provided in the liquid storage cavity13, and the porous medium6can adsorb the aerosol-forming substrate in the liquid storage cavity13. The porous medium6can hold or store the adsorbed aerosol-forming substrate in the porous medium6. When the atomizer is working, the aerosol-forming substrate held in the porous medium6can be transmitted to the liquid inlet24through the porous medium6to slow down the flow rate of the aerosol-forming substrate into the atomizing cavity25through the liquid inlet24. It can be understood that the porous medium6mentioned in the embodiment of the present disclosure can be, but is not limited to, made of at least one of porous cotton liquid-conducting member, porous sponge liquid-conducting member, porous glass fiber liquid-conducting member, porous ceramic liquid-conducting member, and porous graphite liquid-conducting member. When the porous medium6is made of porous cotton liquid-conducting member, the porous cotton liquid-conducting member can be made of tobacco cotton or polymer integrated cotton with good liquid-holding performance, strong liquid storage capacity, and good liquid-conducting performance. Of course, the porous cotton liquid-conducting member can also be compressed cotton, etc.

Compared with the prior art, the atomizer provided by the embodiment of the present disclosure is provided with a porous medium6in the liquid storage cavity13. The porous medium6can adsorb the aerosol-forming substrate in the liquid storage cavity13and hold the adsorbed aerosol-forming substrate in the porous medium6. When the atomizer is working, the aerosol-forming substrate held in the porous medium6can be slowly and uniformly transmitted to the liquid inlet24through the porous medium6, to slow down the flow rate of the aerosol-forming substrate into the atomizing cavity25through the liquid inlet24, and prevent the aerosol-forming substrate in the liquid storage cavity13from entering the atomizing cavity25too fast, thereby effectively reducing the risk of liquid leakage. Furthermore, since the aerosol-forming substrate in the liquid storage cavity13needs to be transmitted to the liquid inlet24through the porous medium6, to prevent the aerosol-forming substrate in the liquid storage cavity13from entering the atomizing cavity25directly through the liquid inlet24, while slowing down the flow rate of the aerosol-forming substrate, thereby achieving the effect of uniform liquid introduction, which is beneficial to improving the atomizing effect.

Please further refer toFIG.2,FIG.3andFIG.4, in some embodiments, the porous medium6is substantially columnar. The porous medium6is provided with a receiving hole8along its axial direction. The atomizing core2is inserted into the receiving hole8, and the liquid inlet24is located in the receiving hole8. Thus, when the porous medium6is mounted on the atomizing core2, the porous medium6can cover the liquid inlet24of the atomizing core2, so that the liquid storage cavity13cannot be directly in communication with the liquid inlet24, to prevent the aerosol-forming substrate in the liquid storage cavity13from entering the atomizing cavity25directly through the liquid inlet24. It can be understood that the outer contour of the porous medium6can be in the shape of a cylinder, an elliptical cylinder or a prism, etc. Moreover, the shape and size of the porous medium6is adapted to the shape and size of the liquid storage cavity13. Please further refer toFIG.1,FIG.5andFIG.7, in some embodiments, the outer peripheral surface of the porous medium6abuts against the inner surface of the liquid storage cavity13, the hole wall of the receiving hole8abuts against the outer peripheral surface of the atomizing core2, to balance the liquid storage and liquid conduction capabilities of the porous medium6, and ensure that the aerosol-forming substrate can be stably and uniformly transmitted to the liquid inlet24, which can also slow down the flow rate of the aerosol-forming substrate into the atomizing cavity25through the liquid inlet24, thereby achieving a good liquid leakage prevention effect.

Please further refer toFIG.1andFIG.2, in some embodiments, along the axial direction of the porous medium6, the height H1of the porous medium6is equal to 35%-50% of the height H2of the liquid storage cavity13, to balance the liquid storage and liquid conduction capabilities of the porous medium6, and ensure that the aerosol-forming substrate can be stably and uniformly transmitted to the liquid inlet24, which can also slow down the flow rate of the aerosol-forming substrate entering the atomizing cavity25through the liquid inlet24, thereby achieving a good liquid leakage prevention effect. Understandably, please further refer toFIG.2, the height H1of the porous medium6is the height extending along its axial direction, the height H2of the liquid storage cavity13is the height extending along the axial direction of the porous medium6.

Please further refer toFIG.1,FIG.5andFIG.7, in some embodiments, the atomizer further includes a liquid-conducting layer5sleeved at the outer peripheral surface of the atomizing core2. The liquid-conducting layer5covers the liquid inlet24, to prevent the aerosol-forming substrate in the liquid storage cavity13from flowing directly to the liquid inlet24, which can play a role in buffering the liquid inlet rate, such that the aerosol-forming substrate in the liquid storage cavity13uniformly enters the atomizing cavity25, which can help reduce the risk of leakage to a certain extent. In use, the porous medium6only needs to be mounted on the outside of the liquid-conducting layer5, so that the uniform stability of the porous medium6in transmitting the aerosol-forming substrate to the liquid inlet24is enhanced, and the aerosol-forming substrate in the liquid storage cavity13is more uniformly and fully supplied to the atomizing cavity25. Please further refer toFIG.2andFIG.3, in some embodiments, the outer peripheral surface of the atomizing core2is provided with a positioning groove9for positioning the liquid-conducting layer5, and the liquid-conducting layer5is accommodated in the positioning groove9, to enhance the stability of the installation of the liquid-conducting layer5, effectively slow down the flow rate of the aerosol-forming substrate entering the atomizing cavity25through the liquid inlet24, and enhance the uniformity and stability of the aerosol-forming substrate entering the atomizing cavity25. Specifically, the positioning groove9can be formed at the outer peripheral surface of the atomizing bracket21, and the liquid-conducting layer5is several layers of liquid-conducting cotton wrapped around the atomizing core2. It should be noted that in some other embodiments, the porous medium6can also be provided integrally with the liquid-conducting layer5. In some other embodiments, the liquid-conducting layer5can also be omitted, and the porous medium6can be provided alone.

Please further refer toFIG.5andFIG.7, in some other embodiments, the atomizer further includes a ventilation pipe3in communication with the atomizing cavity25and the smoke outlet14. The smoke in the atomizing cavity25can be introduced into the smoke outlet14through the ventilation pipe3. It is understood that the ventilation pipe3may be, but is not limited to, a fiberglass pipe. Because fiberglass pipe is elastic, when the fiberglass pipe is sleeved on the outside of the atomizing bracket21, the inner wall of the fiberglass pipe can fit closely with the outer wall of the atomizing bracket21, to avoid assembly gaps existed between the atomizing bracket21and the ventilation pipe3. It should be noted that, please further refer toFIG.1,FIG.5andFIG.7, the liquid storage member1includes a cartridge housing11and a cartridge base12, the atomizing bracket21is located in the cartridge housing11, and the atomizing bracket21is supported and fixed on the cartridge base12. Therefore, the inside of the cartridge housing11other than the atomizing bracket21and the ventilation pipe3is defined as the liquid storage cavity13. It should be noted that the atomizing bracket21can be, but is not limited to, a bracket with a tubular structure.

Please further refer toFIG.6andFIG.8, the first end of the ventilation pipe3is in communication with the smoke outlet14, and the second end of the ventilation pipe3is sleeved on the outside of the atomizing bracket21. Since the second end of the ventilation pipe3is sleeved on the outside of the atomizing bracket21, a close surface contact can be formed between the inner wall of the ventilation pipe3and the outer side of the atomizing bracket21, to enhance the stability between the ventilation pipe3and the atomizing bracket21, and avoid assembly gaps between the ventilation pipe3and the atomizing bracket21to reduce the risk of liquid leakage. Please refer toFIG.5, the atomizing bracket21is provided with a stopper4for abutting against the second end of the ventilation pipe3. When the second end of the ventilation pipe3is sleeved on the outside of the atomizing bracket21, the second end of the ventilation pipe3can be resisted by the stopper4, and the ventilation pipe3can be positioned on the atomizing bracket21, so that the connection stability between the ventilation pipe3and the atomizing bracket21is further enhanced. In addition, when the stopper4abuts against the second end of the ventilation pipe3, the stopper4can cover the port at the second end of the ventilation pipe3to seal the port at the second end of the ventilation pipe3, such that the aerosol-forming substrate cannot leak through the port at the second end of the ventilation tube3to the possible assembly gaps between the ventilation tube3and the atomizing bracket21, which can prevent the aerosol-forming substrate from leaking through the possible assembly gaps between the ventilation tube3and the atomizing bracket21.

Please further refer toFIG.5, in some embodiments, the ventilation pipe3includes a first pipe31and a second pipe32connected to the first pipe31. One end of the first pipe31away from the second pipe32extends to the smoke outlet14, one end of the second pipe32away from the first pipe31is sleeved on the outside of the atomizing bracket21, and the stopper4abuts against one end of the second pipe32away from the first pipe31. In this embodiment, the ventilation pipe3includes a first pipe31and a second pipe32, one end of the first pipe31away from the second pipe32extends to the smoke outlet14, one end of the second pipe32away from the first pipe31is sleeved on the outside of the atomizing bracket21, and the other end of the first pipe31is connected with the other end of the second pipe32. It can be understood that the other end of the first pipe31and the other end of the second pipe32can be connected through an integrally formed structure, or can also be fixedly connected by welding. While the stopper4abuts against the end of the second pipe32away from the first pipe31, the stopper4can cover the port of the end of the second pipe32away from the first pipe31, to seal the port of the end of the second pipe32away from the first pipe31, which can avoid leakage of the aerosol-forming substrate. It should be noted that the end of the first pipe31away from the second pipe32constitutes the first end of the ventilation pipe3, and the end of the second pipe32away from the first pipe31constitutes the second end of the ventilation pipe3.

Please further refer toFIG.7, in some other embodiments, the ventilation pipe3includes a first pipe31and a second pipe32, one end of the first pipe31extends to the smoke outlet14, and the other end of the first pipe31is inserted into the inside of the atomizing bracket21. One end of the second pipe32is sleeved on the outside of the first pipe31, and the other end of the second pipe32is sleeved on the outside of the atomizing bracket21. The stopper4abuts against the other end of the second tube32. In this embodiment, the ventilation pipe3includes a first pipe31and a second pipe32. One end of the first pipe31extends to the smoke outlet14, and the other end of the first pipe31is inserted into the inside of the atomizing bracket21. The first pipe31defines an airflow channel in communication with the atomizing cavity25and the smoke outlet14. One end of the second pipe32is sleeved on the outside of the first pipe31, and the other end of the second pipe32is sleeved on the outside of the atomizing bracket21, which can seal the assembly gaps between the first pipe31and the atomizing bracket21, thereby reducing the risk of liquid leakage. In addition, while the stopper4abuts against the other end of the second pipe32, the stopper4can cover the port at the other end of the second pipe32, to seal the port at the other end of the second pipe32, which can avoid leakage of the aerosol-forming substrate. It should be noted that the end of the first pipe31extending to the smoke outlet14constitutes the first end of the ventilation pipe3, and the end of the second pipe32sleeved on the outside of the atomizing bracket21constitutes the second end of the ventilation pipe3.

It can be understood that in some other embodiments, in order to enhance the sealing performance of the second pipe32, the second pipe32is an elastic sealing sleeve. Of course, the first pipe31or the second pipe32is an elastic fiberglass pipe, such that the first pipe31or the second pipe32closely fits the corresponding side wall of the atomizing bracket21, to avoid assembly gaps and effectively prevent leakage. It should be noted that the first pipe31can be a fiberglass pipe, and the second pipe32can also be a fiberglass pipe.

Please further refer toFIG.9, in some embodiments, the stopper4is an annular stopping plate protruding from the outer wall of the atomizing bracket21. The annular stopping plate can cover the port at the second end of the ventilation pipe3. In can be understood, in some other embodiments, the annular stopping plate can further be provided with a sealing groove or sealing gasket for sealing the port at the second end of the ventilation pipe3, to further improve the sealing performance for sealing the port at the second end of the ventilation pipe3. It can be understood that the stopper4can be, but is not limited to, an annular stopping plate protruding from the outer wall of the atomizing bracket21, the stopper4can also be a sealing sleeve or sealing ring provided at the outer wall of the atomizing bracket21.

The embodiment of the present disclosure also provides an aerosol generating device, the aerosol generating device includes the atomizer provided in any of the above embodiments. Since the aerosol generating device has all the technical features of the atomizer provided in any of the above embodiments, it has the same technical effects as the above atomizer.

The above descriptions are only preferred embodiments of the present disclosure and are not intended to limit the present disclosure. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present disclosure shall be included in the protection scope of the present disclosure.