ATOMIZER AND AEROSOL GENERATING DEVICE WITH SAME
The atomizer includes a base provided with an air inlet; a liquid storage member provided with a liquid storage chamber therein; and an atomization assembly. The atomizing assembly includes a fixing seat and an atomizing core, an atomizing chamber communicating with the liquid storage chamber and the air inlet is formed in the fixing seat, the atomizing core is provided in the atomizing chamber and atomizes the aerosol-forming substrate provided by the liquid storage chamber, the smoke formed by atomization is output under the drive of the gas introduced by the air inlet; a returning air channel is formed on the fixing seat, the returning air channel is connected between the air inlet and the liquid storage chamber. The atomizer has a returning air channel formed on the fixing seat to balance the air pressure difference in the liquid storage chamber and achieve smooth liquid release.
The present disclosure relates to an aerosol generating device, in particular to an atomizer and an aerosol generating device.
BACKGROUNDThe aerosol generating device usually includes 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 inhalation by the user.
At present, in the structure of the aerosol generating device, the aerosol-forming substrate in the liquid storage chamber of the atomizer is continuously consumed by the atomizing core (for example, a ceramic core), which causes negative pressure in the liquid storage chamber and leads to poor liquid release. This further leads to insufficient liquid supply to the atomizing core, resulting in bad smell after dry burning, which affects the safe use of the aerosol generating device.
SUMMARYIn view of above, the present disclosure provides an atomizer that improves the safety performance of an aerosol generating device.
It is also necessary to provide an aerosol generating device having the above atomizer.
A atomizer includes:
a base provided with an air inlet;
a liquid storage member provided on the base, and forming a liquid storage chamber for storing the aerosol-forming substrate; and
an atomizing assembly provided on the base; the atomizing assembly includes a fixing seat and an atomizing core, an atomizing chamber communicating with the liquid storage chamber and the air inlet is formed in the fixing seat, the atomizing core is provided in the atomizing chamber and atomizes the aerosol-forming substrate provided by the liquid storage chamber, the smoke formed by atomization is output under the drive of the gas introduced by the air inlet;
wherein, a returning air channel is formed on the fixing seat, the returning air channel is connected between the air inlet and the liquid storage chamber.
In one of the embodiments, the fixed seat includes a base and a liquid sealing member, the base is supported on the base and its inner cavity is configured to form the atomization chamber, the outer wall of the base is provided with a return air groove;
the liquid sealing member is set outside the base and surrounds the air return groove to form the air return channel.
In one of the embodiments, the return air groove is arranged in a labyrinth along the circumference of the outer wall of the base.
In one of the embodiments, the top of the base is provided with a smoke outlet hole, the outer wall of the base is also configured with a communicating air passage, the communicating air passage is connected between the atomization chamber and the smoke outlet hole.
In one of the embodiments, the inlet end of the returning air channel is in communication with the lower end of the communicating air passage and the atomizing chamber, the gas outlet end of the returning air channel is in communication with the liquid storage chamber.
In one of the embodiments, the liquid sealing member is configured to form the bottom of the liquid storage chamber 130.
In one of the embodiments, the liquid sealing member is a liquid-sealing silica gel which is sleeved outside of the base.
In one of the embodiments, the base includes a bottom wall and a side wall formed by extending the outer edge of the bottom wall in the same direction, two bosses protrude from the opposite inner sides of the side wall, the atomizing assembly is supported on two bosses;
the atomizer includes a liquid absorbing member, the liquid absorbing member is disposed between the two bosses and below the atomizing assembly.
In one of the embodiments, the atomizing assembly includes an atomizing core sealing member; the atomizing core is sleeved in the atomizing core sealing member, both are supported on the two bosses;
the liquid sealing member is provided with a first liquid inlet hole, a second liquid inlet hole is defined at the base, a third liquid inlet hole a is defined at the atomizing core sealing member; the first liquid inlet hole, the second liquid inlet hole and the third liquid inlet hole are connected together to form a liquid inlet channel for draining the aerosol-forming substrate in the liquid storage chamber to the atomizing core.
An aerosol generating device includes the above-mentioned atomizer.
The atomizer of the present disclosure has a returning air channel formed on the fixing seat, after the aerosol-forming matrix in the liquid storage chamber is consumed, the outside air can be replenished through the returning air channel to avoid negative pressure in the liquid storage chamber, so as to balance the air pressure difference in the liquid storage chamber 130 and achieve smooth liquid release. Further, sufficient liquid supply to the atomizing core is ensured, dry burning of the atomizing core is prevented, and the safety performance of the aerosol generating device is improved.
In order to facilitate the understanding of the present disclosure, the present disclosure will be described more fully below with reference to the relevant drawings. Preferred embodiments of the present disclosure are provided in the accompanying drawings. However, the present disclosure can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present disclosure more thorough and comprehensive.
It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is considered “connected” to another element, it may be directly connected to another element or there may be an intervening element at the same time.
Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this present disclosure. The terminology used in the description of the present disclosure herein is only for the purpose of describing specific embodiments, and is not intended to limit the present disclosure. As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed items.
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Further, the atomizer 10 also includes an adsorption magnet 12, the adsorption magnet 12 is provided on the bottom wall 110 and at least partly exposed on the bottom surface of the bottom wall 110, so as to realize the detachable cooperation between the atomizer 10 and the power supply device.
Further, the base 11 also includes a base sealing ring 114 for sealing the gap between the base 11 and the liquid storage member 13.
The atomizing assembly 15 includes a fixing seat 150, an atomizing core 152 and an atomizing core sealing member 154. An atomization chamber 150a communicating with the liquid storage chamber 130 and the air inlet 1101 is provided in the fixing seat 150, the atomizing core 152 is sleeved in the atomizing core sealing member 154, both are supported on the two bosses 1121 and accommodated in the atomizing chamber 150a.
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Specifically, the fixing seat 150 includes a base 1501 and a liquid sealing member 1503. The base 1501 is supported on the base 11 and its inner chamber is configured to form an atomizing chamber 150a. In this specific embodiment, specifically referring to
The base 1501 has a substantially hollow cylindrical structure and an returning air groove 1505 defined on its outer wall. The liquid sealing member 1503 also has a substantially hollow cylindrical structure, which is sleeved outside of the base 1501 and surrounds the returning air groove 1505 to form the returning air channel 150b. In this specific embodiment, the liquid sealing member 1503 is a liquid-sealing silica gel, which is set outside the base 1501 and configured to form the bottom of the liquid storage chamber 130, to prevent the leakage of the aerosol-forming substrate in the liquid storage chamber 130, and the external air can also be supplemented at the same time, to balance the air pressure difference in the liquid storage chamber 130, the liquid can be released smoothly.
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The atomizer 10 also includes an electrode 17, the electrodes 17 are fitted on the bottom wall 110 of the base 11. The atomizing core sealing member 154 is substantially cylindrical with an opening at the lower end thereof, the heating surface and electrical connection surface of the atomizing core 152 are exposed through the atomizing core sealing member 154, and the electrical connection surface is electrically connected to the electrode 17, the electrical connection surface is configured to supply electrical energy to the heating surface, the heating surface is configured to generate the heat required to atomize the aerosol-forming substrate. In this specific embodiment, the atomizing core 152 has a porous ceramic core structure.
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The atomizer 10 of the present disclosure has a returning air channel 150b formed on the fixing seat 150, after the aerosol-forming matrix in the liquid storage chamber 130 is consumed, the outside air can be replenished through the returning air channel 150b to avoid negative pressure in the liquid storage chamber 130, so as to balance the air pressure difference in the liquid storage chamber 130 and achieve smooth liquid release. Further, sufficient liquid supply to the atomizing core 152 is ensured, dry burning of the atomizing core 152 is prevented, and the safety performance of the aerosol generating device 100 is improved.
The present disclosure also provides an aerosol generating device 100 with the atomizer 10 described above. Since the aerosol generating device 100 has all the functions of the atomizer 10 described above, details will not be repeated here.
The above-mentioned embodiments only express several implementations of the present disclosure, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the present disclosure. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present disclosure, and these all belong to the protection scope of the present disclosure. Therefore, the scope of protection of the present disclosure patent should be based on the appended claims.
Claims
1. An atomizer comprising:
- a base provided with an air inlet;
- a liquid storage member provided on the base, and forming a liquid storage chamber for storing the aerosol-forming substrate; and
- an atomizing assembly provided on the base; the atomizing assembly comprised a fixing seat and an atomizing core, an atomizing chamber communicating with the liquid storage chamber and the air inlet is formed in the fixing seat, the atomizing core is provided in the atomizing chamber and atomizes the aerosol-forming substrate provided by the liquid storage chamber, the smoke formed by atomization is output under the drive of the gas introduced by the air inlet;
- wherein, a returning air channel is formed on the fixing seat, the returning air channel is connected between the air inlet and the liquid storage chamber.
2. The atomizer according to claim 1, wherein the fixed seat comprises a base and a liquid sealing member, the base is supported on the base and its inner cavity is configured to form the atomization chamber, the outer wall of the base is provided with a return air groove; the liquid sealing member is set outside the base and surrounds the air return groove to form the air return channel.
3. The atomizer according to claim 2, wherein the return air groove is arranged in a labyrinth along the circumference of the outer wall of the base.
4. The atomizer according to claim 2, wherein the top of the base is provided with a smoke outlet hole, and the outer wall of the base is also configured with a communicating air passage, and the communicating air passage is connected between the atomization chamber and the smoke outlet hole.
5. The atomizer according to claim 4, wherein the inlet end of the returning air channel is in communication with the lower end of the communicating air passage and the atomizing chamber, the gas outlet end of the returning air channel is in communication with the liquid storage chamber.
6. The atomizer according to claim 2, wherein the liquid sealing member is configured to form the bottom of the liquid storage chamber.
7. The atomizer according to claim 2, wherein the liquid sealing member is a liquid-sealing silica gel which is sleeved outside of the base.
8. The atomizer according to claim 2, wherein the base comprises a bottom wall and a side wall formed by extending the outer edge of the bottom wall in the same direction, two bosses protrude from the opposite inner sides of the side wall, the atomizing assembly is supported on two bosses; the atomizer comprises a liquid absorbing member, the liquid absorbing member is disposed between the two bosses and below the atomizing assembly.
9. The atomizer according to claim 8, wherein the atomizing assembly comprises an atomizing core sealing member; the atomizing core is sleeved in the atomizing core sealing member, both are supported on the two bosses; the liquid sealing member is provided with a first liquid inlet hole, a second liquid inlet hole is defined at the base, a third liquid inlet hole a is defined at the atomizing core sealing member; the first liquid inlet hole, the second liquid inlet hole and the third liquid inlet hole are connected together to form a liquid inlet channel for draining the aerosol-forming substrate in the liquid storage chamber to the atomizing core.
10. An aerosol generating device, wherein the aerosol generating device comprises the atomizer according to claim 1.
Type: Application
Filed: Aug 11, 2021
Publication Date: Dec 28, 2023
Inventor: Weihua QIU (Changzhou, Jiangsu)
Application Number: 18/252,801