VAPORIZER AND ELECTRONIC VAPORIZATION DEVICE
An atomizer and an electronic atomization device. An atomizer (100) comprises: a liquid storage cavity (12); an atomization assembly, which is in fluid communication with the liquid storage cavity (12) so as to obtain a liquid matrix and heat the liquid matrix to generate aerosol; a first sealing element (70, 70b) at least partially sealing the liquid storage cavity (12); a support (60, 60a, 60b), which is used for supporting the first sealing element (70, 70b), so as to make the first sealing element (70, 70b) at least partially positioned between the support (60, 60a, 60b) and the liquid storage cavity (12), wherein a first through hole (65, 65a, 65b) is provided on the support (60, 60a, 60b); and first air guide elements (80, 90, 80a, 90a, 80b), at least part of which extend into the first through hole (65, 65a, 65b), with a first air channel being defined between the first air guide elements (80, 90, 80a, 90a, 80b) and the first through hole (65, 65a, 65b) or defined by the first air guide elements (80, 90, 80a, 90a, 80b), so as to provide a first flow path for air to enter the liquid storage cavity (12). According to the atomizer (100), the first through hole (65, 65a, 65b) is provided on the support (60, 60a, 60b), and the first air guide elements (80, 90, 80a, 90a, 80b) at least partially arranged in the first through hole (65, 65a, 65b) jointly define an air channel for external air to enter the liquid storage cavity (12), such that when the negative pressure of the liquid storage cavity (12) exceeds a certain threshold value, air is supplemented into the liquid storage cavity (12), so as to relieve the negative pressure of the liquid storage cavity (12).
This application claims the priority of the prior application No. 202120273292.1, filed to the China National Intellectual Property Administration on Jan. 29, 2021 and entitled “vaporizer and electronic vaporization device”, and claims the priority of the prior application No. 202121667103.5 filed to the China National Intellectual Property Administration on Jul. 21, 2021 and entitled “vaporizer, electronic vaporization device and sealing element for vaporizer”, the contents of which are incorporated herein by reference.
TECHNICAL FIELDEmbodiments of this application relate to the technical field of electronic vaporization devices, and in particular, to a vaporizer and an electronic vaporization device.
BACKGROUNDTobacco products (e.g., cigarettes, cigars, etc.) burn tobacco in a using process to generate tobacco smoke. Attempts are made to replace these tobacco-burning products by manufacturing products that release compounds without burning.
An example of such products is a heating device that releases compounds by heating rather than burning materials. For example, the materials may be tobacco or other non-tobacco products, where the non-tobacco products may or may not contain nicotine. As another example, there are aerosol-providing products, e.g., so-called electronic vaporization devices. These devices usually contain vaporizable liquid, and the liquid is heated to be vaporized, so as to generate an inhalable aerosol.
A known electronic vaporization device stores and provides a liquid substrate through a liquid storage cavity, and sucks and transfers the liquid substrate to a heating element for heating and vaporization through a liquid guiding element. With consumption of liquid, the negative pressure in the liquid storage cavity will be gradually increased, making it difficult to suck and transfer the liquid substrate by the liquid guiding element.
SUMMARYProvided in an embodiment of this application is a vaporizer, configured to vaporize a liquid substrate to generate an aerosol, and including:
-
- a liquid storage cavity used for storing the liquid substrate;
- a vaporization assembly, in fluid communication with the liquid storage cavity to suck the liquid substrate and heat the liquid substrate to generate the aerosol;
- a first sealing element, at least partially sealing the liquid storage cavity;
- a support, used for supporting the first sealing element in such a way that the first sealing element is at least partially located between the support and the liquid storage cavity, a first through hole being provided in the support; and
- a first air guiding element, at least partially extending in the first through hole, and defining first air channels together with the first through hole to provide first flow paths for air to enter the liquid storage cavity.
According to the above vaporizer, by forming the first through hole in the support and defining the air channels for the outside air to enter the liquid storage cavity together with the first air guiding element at least partially arranged in the first through hole, when the negative pressure in the liquid storage cavity exceeds a certain threshold value, the air is replenished into the liquid storage cavity to relieve the negative pressure in the liquid storage cavity.
In a preferred implementation, first grooves extending in an axial direction of the first through hole are provided in a surface of the first air guiding element, and the first air channels are defined between the first grooves and an inner wall of the first through hole.
In a preferred implementation, the first through hole is configured to extend in a longitudinal direction of the vaporizer.
In a preferred implementation, the first air guiding element is configured to be substantially in a column shape.
In a preferred implementation, the first air guiding element includes a first section and a second section in an axial direction; and the first section is close to the liquid storage cavity and has a cross-sectional area greater than that of the second section.
In a preferred implementation, the first air guiding element is flexible.
In a preferred implementation, the support includes a first portion adjacent to the liquid storage cavity in the longitudinal direction of the vaporizer, and a second portion facing away from the first portion, where:
-
- the first portion is configured to support the first sealing element;
- the second portion is configured to at least partially accommodate and hold the vaporization assembly; and
- the through hole is arranged to be located in the first portion.
In a preferred implementation, the first through hole is configured to avoid the second portion in the longitudinal direction of the vaporizer.
In a preferred implementation, the first sealing element is provided with first liquid guiding holes for the liquid substrate in the liquid storage cavity to flow towards the vaporization assembly; and the first air channels are provided with air outlet ends close to the liquid storage cavity, and the air outlet ends are located in the first liquid guiding holes.
In a preferred implementation, the vaporizer further includes:
-
- a vaporization chamber, providing a space for release of the aerosol, air inlet ends of the first air channels communicating with the vaporization chamber.
In a preferred implementation, the first air guiding element is formed by at least part of the first sealing element extending into the first through hole.
In a preferred implementation, the first groove has a depth of less than 2 mm.
Further provided in another embodiment of this application is a vaporizer, configured to vaporize a liquid substrate to generate an aerosol, including:
-
- a liquid storage cavity used for storing the liquid substrate;
- a porous body, including a liquid channel penetrating through the porous body in a length direction and being in fluid communication with the liquid storage cavity through the liquid channel to suck the liquid substrate;
- a heating element, bonded to the porous body and used for heating at least part of the liquid substrate in the porous body to generate the aerosol;
- a support, used for holding the porous body, the support being provided with a second through hole opposite to the liquid channel; and
- a second air guiding element, at least partially extending in the second through hole, and defining second air channels together with the second through hole or by itself to provide second flow paths for air to enter the liquid storage cavity.
In a preferred implementation, the second through hole is configured to extend in a longitudinal direction perpendicular to the vaporizer.
In a preferred implementation, the second air guiding element is configured to be substantially in a column shape.
In a preferred implementation, second grooves extending in an axial direction of the second through hole are provided in a surface of the second air guiding element, and the second air channels are defined between the second grooves and an inner wall of the second through hole.
In a preferred implementation, the support includes a holding space, and the porous body is at least partially accommodated and held in the holding space; and
-
- the second through hole is configured to extend between an inner surface of the holding space and an outer surface of the support.
In a preferred implementation, the support includes a first portion adjacent to the liquid storage cavity in the longitudinal direction of the vaporizer, and a second portion facing away from the first portion; where
-
- the first portion is provided with a first liquid guiding channel in fluid communication with the liquid storage cavity, and a liquid channel of the porous body is in fluid communication with the liquid storage cavity through the first liquid guiding channel;
- the second portion is configured to at least partially accommodate and hold the porous body; and
- the second through hole is formed in the second portion.
In a preferred implementation, the vaporizer further includes:
-
- a second sealing element, located between the support and the porous body and configured to wrap at least part of an outer surface of the porous body and avoid the second through hole.
Further provided in yet another embodiment of this application is an electronic vaporization device, including a vaporization device used for vaporizing a liquid substrate to generate an aerosol, and a power supply device supplying power to the vaporization device, the vaporization device including the vaporizer mentioned above.
One or more embodiments are exemplarily illustrated through the corresponding figures in the accompanying drawings, and the exemplary illustrations are not to be construed as limiting the embodiments. Elements in the accompanying drawings that have same reference numerals are represented as similar elements, and unless otherwise particularly stated, the figures in the accompanying drawings are not drawn to scale.
For ease of understanding of this application, this application is illustrated below in more detail in conjunction with accompanying drawings and specific implementations.
Provided in this application is an electronic vaporization device. Reference can be made to
In an optional implementation, as shown in
According to the preferred implementation shown in
A sealing piece 260 is provided in the power supply assembly 200, and at least part of an internal space of the power supply assembly 200 is separated by the sealing piece 260 to form the above receiving cavity 270. In the preferred implementation shown in
In the preferred implementation shown in
During use, the power supply assembly 200 includes the sensor 250, which is used for sensing an inhalation airflow generated by a suction nozzle cap 20 of the vaporizer 100 during inhalation, so that the controller 220 controls the battery cell 210 to output the current to the vaporizer 100 according to a detection signal of the sensor 250.
Further, in the preferred implementation shown in
-
- a main housing 10. As shown in
FIGS. 2 to 3 , the main housing 10 is substantially in a flat cylinder shape, and certainly, a hollow interior of the main housing 10 is a necessary functional device used for storing and vaporizing the liquid substrate. The main housing 10 has a near end 110 and a far end 120 opposite to each other in the length direction. According to requirements for common use, the near end 110 is configured as an end for a user to inhale the aerosol, and a suction nozzle A for the user to inhale is provided at the near end 110. The far end 120 is used as an end bonded with the power supply assembly 200, and the far end 120 of the main housing 10 is an opening on which a detachable end cap 20 is mounted. The opening structure is used for mounting necessary functional components inside the main housing 10.
- a main housing 10. As shown in
Further, in a specific implementation shown in
Certainly, further referring to
Further, referring to
Further, in a preferred implementation shown in
-
- in a schematic cross-sectional structure diagram shown in
FIG. 5 , a vapor-gas transmission pipe 11 in an axial direction is provided in the main housing 10, and the liquid storage cavity 12 used for storing the liquid substrate is formed in a space between an outer wall of the vapor-gas transmission pipe 11 and an inner wall of the main housing 10. A first end of the vapor-gas transmission pipe 11 opposite to the near end 110 communicates with the suction nozzle A, and a second end opposite to the far end 120 is in airflow connection with a vaporization chamber 340 defined between the porous body 30 and the end cap 20, so as to transmit the aerosol generated by vaporizing the liquid substrate in the heating element 40 and released to the vaporization chamber 340 to the suction nozzle A for inhalation.
- in a schematic cross-sectional structure diagram shown in
Referring to the structure of the porous body 30 shown in
Further, referring to
Further, referring to
In terms of a specific structure and shape, the flexible silicone sleeve 50 is substantially in a cylinder shape, is hollow inside for accommodating the porous body 30, and sleeves the porous body 30 in a tight-fit manner.
The rigid support 60 holds the porous body 30 sleeved with the flexible silicone sleeve 50. In some embodiments, the rigid support 60 can be substantially in a ring shape with a lower end being an opening, and a holding space 64 is used for accommodating and holding the flexible silicone sleeve 50 and the porous body 30. On the one hand, the flexible silicone sleeve 50 can seal a gap between the porous body 30 and the support 60 to prevent the liquid substrate from seeping out from the gap between the porous body 30 and the support 60. On the other hand, the flexible silicone sleeve 50 is located between the porous body 30 and the support 60, which is advantageous for the porous body 30 to be stably accommodated in the support 60 to avoid loosening.
The flexible sealing element 70 is provided between the liquid storage cavity 12 and the support 60, and the shape of the flexible sealing element 70 is adapted to a cross section of an inner contour of the main housing 10, so as to seal the liquid storage cavity 12 and prevent the liquid substrate from leaking out from the liquid storage cavity 12. Further, to prevent shrinkage and deformation of a flexible silicone base 53 made of a flexible material from affecting sealing tightness, the above support 60 is accommodated in the flexible sealing element 70 to support the flexible silicone base 53.
After mounting, to ensure smooth transferring of the liquid substrate and output of the aerosol, first liquid guiding holes 71 for the liquid substrate to flow through is provided on the flexible sealing element 70, second liquid guiding holes 61 are correspondingly provided on the support 60, and third liquid guiding holes 51 are provided on the flexible silicone sleeve 50. During use, the liquid substrate in the liquid storage cavity 12 sequentially passes through the first liquid guiding holes 71, the second liquid guiding holes 61 and the third liquid guiding holes 51, flows into the liquid channel 33 of the porous body 30 held in the flexible silicone sleeve 50, and then is sucked. As shown by arrow R1 in
In the inhalation process, for an output structure of the aerosol, referring to
In a preferred implementation shown in
Further, referring to
Through holes 65 close to the two sides in the width direction are provided in the first portion 611 of the support 60. The through holes 65 penetrate through the first portion 611 in the longitudinal direction, and the through holes 65 avoid the second portion 612 in the longitudinal direction. Referring to
The first air guiding element 80 is substantially in a circular column shape, and is assembled in the through hole 65 with the circular cross section, so as to define a gap between the first air guiding element 80 and the inner wall of the through hole 65 to form the corresponding first air channel for the air to enter the liquid storage cavity 12.
The second air guiding element 90 is substantially in a square column shape, and is assembled in the through hole 65 with the square cross section, so as to define a gap between the second air guiding element 90 and the inner wall of the through hole 65 to form the corresponding first air channel for the air to enter the liquid storage cavity 12.
In the embodiment, the first air guiding element 80 and/or the second air guiding element 90 is flexible and preferably made of a flexible material, such as flexible silicone or an elastic body. In terms of a variable shape and structure, the cross sections of the first air guiding element 80 and/or the second air guiding element 90 can further be configured into a star shape, a quincunx shape or a polygon shape. The corresponding through holes 65 can correspondingly have circular, square and polygonal cross sections, as long as the above first air channels for the air to flow through can be defined between the first air guiding element 80 and/or the second air guiding element 90 and the through holes 65 when the first air guiding element 80 and/or the second air guiding element 90 is assembled in the corresponding through hole 65.
In other optional embodiments, the first air guiding element 80 and/or the second air guiding element 90 can further be rigid and made of a common material, such as hard plastics. In some examples, the through holes 65 matched with the first air guiding element 80 and/or the second air guiding element 90 can also be formed in the flexible sealing piece 260.
Further, in a preferred implementation shown in
A plurality of first grooves 811 surrounding the first section 810 are provided on an outer side wall of the first section 810. The first grooves 811 extend in a longitudinal direction, and after the first air guiding element 80 is assembled into the corresponding through hole 65, spaces defined between the first grooves 811 and the inner wall of the corresponding through hole form first air channels. In the preferred implementation shown in
In
Or in other variant implementations, the first grooves 811 and/or the second grooves 911 are arranged on the inner wall of the corresponding through hole 65. When the columnar first air guiding element 80 and/or the second air guiding element 90 is assembled in the corresponding through hole 65, the above first air channels are formed between the first grooves 811 and/or the second grooves 911 on the inner walls of the trough holes 65 and the outer surfaces of the first air guiding element 80 and/or the second air guiding element 90. In other variant implementations, longitudinally penetrating through holes with suitable hole diameters are formed in the columnar first air guiding element 80 and/or the second air guiding element 90 to construct the above first air channels.
In an assembled state, referring to
Further, referring to
-
- the through holes 65a in the two sides in the width direction are provided in the second portion 612a of the rigid support 60a. The through holes 65a penetrate through a wall of the second portion 612a in the width direction.
A substantially cylindrical first air guiding element 80a is assembled in one of the through holes 65a, and a substantially square second air guiding element 90a is assembled in the other one of the through holes 65a. Second air channels are defined between first grooves 811a in an outer wall of the first air guiding element 80a/second grooves 911a in an outer wall of the second air guiding element 90a and inner walls of the through holes 65a, respectively, as shown by arrow R4 in
In order to be matched with the above defined second air channels, the through holes 65a are opposite to a liquid channel 33 penetrating through the length of a porous body 30a in a width direction. At the same time, third liquid guiding holes 51a on a flexible silicone sleeve 50a are at least partially located on a side wall in the width direction and are opposite to the liquid channel 33 and the through holes 65a to avoid the through holes 65a, thus ensuring that air outlet ends of the second air channels are not sheltered or sealed by the flexible silicone sleeve 50a.
In an optional implementation, air inlet ends of the second air channels close to an inner wall of the main housing 10 can be directly configured to communicate with an outside atmosphere. Or similar to the above first air channels, the air inlet ends of the second air channels are surrounded by a gap space between the second portion 612a of the rigid support 60a and the main housing 10, so that during use, air in the gap space between the second portion 612a of the rigid support 60a and the main housing 10 enters the air inlet ends of the second air channels. Similarly, the gap space between the second portion 612a of the rigid support 60a and the main housing 10 is in airflow communication with the vaporization chamber 340 through capillary trenches 66a in the outer side wall of the second portion 612a. Thus, in the implementation, the air inlet ends of the second air channels is kept in communication with the vaporization chamber 340, and air inside the vaporization chamber 340 enters the liquid storage cavity 12 via the second air channels to relieve or eliminate the negative pressure in the liquid storage cavity 12.
-
- a support 60b is provided with longitudinally penetrating through holes 65b in a first portion 611b.
- a flexible sealing element 70b is provided with a first air guiding element 80b at least partially extending in a corresponding first liquid guiding hole 71b in a longitudinal direction. After assembly and when the flexible sealing element 70b wraps the first portion 611b of the support 60b, the first air guiding element 80b stretches into the corresponding through hole 65b, so that the first air channels are defined between first grooves 811b in an outer side wall of the first air guiding element 80b and an inner wall of the corresponding through hole 65b.
As shown in
According to a similar implementation, a first air guiding element 80a or a second air guiding element 90a can also be made on a flexible silicone sleeve 50a in a molded manner.
Referring to another embodiment provided by
A vaporizer 100 further includes first air channels defined by the support 60 and a first sealing element 50 to replenish air to the liquid storage cavity 12 to relieve or eliminate the negative pressure, as shown by arrow R3 in
Through holes 65 close to the two sides in the width direction are provided in the second portion 620 of the support 60. The through holes 65 penetrate into second liquid guiding holes 61 in the longitudinal direction. The through holes 65 avoid a holding space 64 in the width direction.
The through holes 65 are located on a side of the support 60 facing away from the liquid storage cavity 12. Certainly, the holding space 64 is also located on the side of the support 60 facing away from the liquid storage cavity 12, so that the through holes 65 and the holding space 64 are staggered in the width direction. The second liquid guiding holes 61 are located on a side of the support 60 close to the liquid storage cavity 12, and projections of the second liquid guiding holes 61 in the axial direction at least partially cover the through holes 65.
Specifically, as shown in
Further, as shown in
It should be noted that, preferred embodiments of this application are given in the description of this application and the accompanying drawings thereof. However, this application is not limited to the embodiments described in this description. Further, a person of ordinary skill in the art may make improvements or modifications according to the foregoing illustrations, and all the improvements and modifications shall fall within the protection scope of the appended claims of this application.
Claims
1. A vaporizer, configured to vaporize a liquid substrate to generate an aerosol, and comprising:
- a liquid storage cavity used for storing the liquid substrate;
- a vaporization assembly, in fluid communication with the liquid storage cavity to obtain the liquid substrate and heat the liquid substrate to generate the aerosol;
- a first sealing element, at least partially sealing the liquid storage cavity;
- a support, used for supporting the first sealing element, a first through hole being provided in the support or the first sealing element; and
- a first air guiding element, at least partially extending in the first through hole, and defining first air channels together with the first through hole or by itself to provide first flow paths for air to enter the liquid storage cavity.
2. The vaporizer according to claim 1, wherein first grooves extending in an axial direction of the first through hole are provided in a surface of the first air guiding element, and the first air channels are defined between the first grooves and an inner wall of the first through hole.
3. The vaporizer according to claim 1, wherein the first through hole is configured to extend in a longitudinal direction of the vaporizer.
4. The vaporizer according to any of claims 1 to 3, wherein the first air guiding element is configured to be substantially in a column shape.
5. The vaporizer according to claim 4, wherein the first air guiding element comprises a first section and a second section in an axial direction; and the first section is close to the liquid storage cavity and has a cross-sectional area greater than that of the second section.
6. The vaporizer according to any of claims 1 to 3, wherein the first air guiding element is flexible.
7. The vaporizer according to any of claims 1 to 3, wherein the support comprises a first portion adjacent to the liquid storage cavity in the longitudinal direction of the vaporizer, and a second portion facing away from the first portion; wherein
- the first portion is configured to support the first sealing element;
- the second portion is configured to at least partially accommodate and hold the vaporization assembly; and
- the through hole is arranged to be located in the first portion.
8. The vaporizer according to claim 7, wherein the first through hole is configured to avoid the second portion in the longitudinal direction of the vaporizer.
9. The vaporizer according to claim 7, wherein the first sealing element is provided with first liquid guiding holes for the liquid substrate in the liquid storage cavity to flow towards the vaporization assembly; and the first air channels are provided with air outlet ends close to the liquid storage cavity, and the air outlet ends are located in the first liquid guiding holes.
10. The vaporizer according to any of claims 1 to 3, further comprising:
- a vaporization chamber, providing a space for release of the aerosol, air inlet ends of the first air channels communicating with the vaporization chamber.
11. The vaporizer according to any of claims 1 to 3, wherein the first air guiding element is formed by at least part of the first sealing element extending into the first through hole.
12. The vaporizer according to any of claims 1 to 3, wherein the first groove has a depth of less than 2 mm.
13. The vaporizer according to claim 1, wherein the support comprises:
- a first surface, at least partially defining a liquid guiding channel, the vaporization assembly being in fluid communication with the liquid storage cavity through the liquid guiding channel; and
- a second surface, facing away from the liquid storage cavity, the through hole extending between the first surface and the second surface.
14. The vaporizer according to claim 1, wherein the first sealing element is provided with a wall used for defining a hollow capable of at least partially accommodating the vaporization assembly, and the air guiding element extends from the wall and is located outside the hollow.
15. A vaporizer, configured to vaporize a liquid substrate to generate an aerosol, and comprising:
- a liquid storage cavity used for storing the liquid substrate;
- a porous body, comprising a liquid channel penetrating through the porous body in a length direction and being in fluid communication with the liquid storage cavity through the liquid channel to suck the liquid substrate;
- a heating element, bonded to the porous body and used for heating at least part of the liquid substrate in the porous body to generate the aerosol;
- a support, used for holding the porous body, the support being provided with a second through hole opposite to the liquid channel; and
- a second air guiding element, at least partially extending in the second through hole, and defining second air channels together with the second through hole or by itself to provide second flow paths for air to enter the liquid storage cavity.
16. The vaporizer according to claim 15, wherein the second through hole is configured to extend in a longitudinal direction perpendicular to the vaporizer.
17. The vaporizer according to claim 15, wherein the second air guiding element is configured to be substantially in a column shape.
18. The vaporizer according to claim 15, wherein second grooves extending in an axial direction of the second through hole are provided in a surface of the second air guiding element, and the second air channels are defined between the second grooves and an inner wall of the second through hole.
19. The vaporizer according to claim 15, wherein the support comprises a holding space, and the porous body is at least partially accommodated and held in the holding space; and
- the second through hole is configured to extend between an inner surface of the holding space and an outer surface of the support.
20. The vaporizer according to claim 15, wherein the support comprises a first portion adjacent to the liquid storage cavity in the longitudinal direction of the vaporizer, and a second portion facing away from the first portion; wherein
- the first portion is provided with a first liquid guiding channel in fluid communication with the liquid storage cavity, and a liquid channel of the porous body is in fluid communication with the liquid storage cavity through the first liquid guiding channel;
- the second portion is configured to at least partially accommodate and hold the porous body; and
- the second through hole is formed in the second portion.
21. The vaporizer according to claim 15, further comprising:
- a second sealing element, located between the support and the porous body and configured to wrap at least part of an outer surface of the porous body and avoid the second through hole.
22. An electronic vaporization device, comprising a vaporization device used for vaporizing a liquid substrate to generate an aerosol, and a power supply device supplying power to the vaporization device, the vaporization device comprising the vaporizer according to any of claims 1 to 21.
Type: Application
Filed: Jan 20, 2022
Publication Date: Mar 28, 2024
Inventors: FUYI LI (Shenzhen City, Guangdong Province), ZHONGLI XU (Shenzhen City, Guangdong Province), YONGHAI LI (Shenzhen City, Guangdong Province)
Application Number: 18/275,015