Electronic atomization device and air curtain formation structure used by same
An air-curtain forming structure applicable to an electronic vaporization device includes: an airflow channel for delivering vapor; and a first air inlet channel in communication with the airflow channel and for introducing an external airflow into the airflow channel so as to form a blocking airflow between an inner wall of the airflow channel and the vapor.
1 . An air-curtain forming structure applicable to an electronic vaporization device, comprising:
an airflow channel configured to deliver vapor, the airflow channel extending in an axial direction, the airflow channel having an inner wall, the inner wall extending parallel to the axial direction and circumferentially around the axial direction;
a first air inlet channel in communication with the airflow channel and configured to introduce an external airflow into the airflow channel so as to form a blocking airflow at a first radial distance relative to the vapor between the inner wall of the airflow channel and the vapor; and
a second air inlet channel in communication with the airflow channel, the second air inlet channel being configured to introduce a second external airflow into the airflow channel so as to form a second airflow at a second radial distance relative to the vapor between the inner wall of the airflow channel and the vapor,
wherein the first radial distance is greater than the second radial distance such that the blocking airflow is formed closer to the inner wall of the airflow channel than the second airflow.
2 . The air-curtain forming structure according to claim 1 , wherein a flow direction of the blocking airflow is parallel to the inner wall of the airflow channel.
3 . The air-curtain forming structure of claim 1 , further comprising:
an air outlet in communication with the airflow channel, an exit of the first air inlet channel facing the air outlet.
4 . The air-curtain forming structure of claim 3 , wherein the air-curtain forming structure comprises a vaporization suction nozzle applicable to the electronic vaporization device, and
wherein the vaporization suction nozzle comprises an airway body and a tube body, the airflow channel is provided in the airway body and the tube body, an end of the tube body away from the airway body comprises the air outlet, and the first air inlet channel is provided at a position of the airway body close to an inner wall of the tube body such that the blocking airflow is formed between the inner wall of the tube body and the vapor.
5 . The air-curtain forming structure of claim 4 , wherein the airway body comprises a first airway portion, a second airway portion, and a wall portion, and the airflow channel further comprises an entrance channel and an air guide channel that are in communication with each other,
wherein the entrance channel is provided in the first airway portion, the air guide channel is provided in the tube body, the second airway portion is sleeved on a periphery of the tube body, and the wall portion is connected to the first airway portion and the second airway portion and covers the air guide channel, and
wherein the first air inlet channel is provided on the wall portion.
6 . The air-curtain forming structure of claim 5 , wherein the airflow channel comprises a plurality of first air inlet channels spaced apart from each other in a circumferential direction of the wall portion.
7 . The air-curtain forming structure of claim 5 , wherein the first airway portion further comprises a vent portion and a first connection portion, and the vent portion is connected to the wall portion through the first connection portion, and
wherein a cross-sectional area of the first connection portion is less than a cross-sectional area of the vent portion such that a clamping opening is formed at a position where the first connection portion is located, and the clamping opening is configured to clamp a vapor generation device of the electronic vaporization device.
8 . The air-curtain forming structure of claim 7 , wherein a second air inlet channel is provided in the vent portion, and
wherein an airflow entering through the second air inlet channel is used to guide the vapor to be outputted from the air outlet.
9 . The air-curtain forming structure of claim 8 , wherein the second air inlet channel comprises an air inlet portion and an air guide portion, the air inlet portion is configured to introduce the external airflow into the air guide portion, the air inlet portion is in communication with the airflow channel through the air guide portion, and an extending direction of the air guide portion is parallel to an extending direction of the entrance channel.
10 . The air-curtain forming structure of claim 8 , wherein a comprehensive airway is formed at a position where the clamping opening is located, and
wherein the comprehensive airway is respectively in communication with the first air inlet channel and the second air inlet channel.
11 . The air-curtain forming structure of claim 8 , wherein the first air inlet channel is provided corresponding to the second air inlet channel, or
wherein the first air inlet channel and the second air inlet channel are staggered.
12 . The air-curtain forming structure of claim 8 , wherein a cross-sectional area of the first air inlet channel is greater than a cross-sectional area of the second air inlet channel, and/or
wherein a quantity of the first air inlet channels is greater than a quantity of the second air inlet channels.
13 . The air-curtain forming structure of claim 3 , further comprising:
a first airflow guide portion,
wherein the first air inlet channel is formed between the first airflow guide portion and the inner wall of the airflow channel, and
wherein the first airflow guide portion is configured to guide the airflow introduced through the first air inlet channel to flow along the inner wall of the airflow channel so as to form the blocking airflow.
14 . The air-curtain forming structure of claim 13 , further comprising:
a second connection portion,
wherein the first airflow guide portion is connected to the inner wall of the airflow channel through the second connection portion.
15 . The air-curtain forming structure of claim 14 , wherein a plurality of second connection portions are arranged between the first airflow guide portion and the inner wall of the airflow channel, the plurality of second connection portions are sequentially spaced in a circumferential direction of the first airflow guide portion, and the first air inlet channel is formed between adjacent second connection portions.
16 . The air-curtain forming structure of claim 13 , further comprising:
a second airflow guide portion,
wherein the second airflow guide portion is away from the inner wall of the airflow channel relative to the first airflow guide portion, and
wherein the second air inlet channel is formed between the second airflow guide portion and the first airflow guide portion, an exit of the second air inlet channel faces the air outlet, and an airflow entering through the second air inlet channel is used to guide the vapor to be outputted from the air outlet.
17 . The air-curtain forming structure of claim 16 , wherein an angle between a flow direction of the airflow entering through the second air inlet channel and a preset direction ranges from 30° to 45°, and
wherein the preset direction is parallel to a flow direction of the blocking airflow.
18 . The air-curtain forming structure of claim 16 , further comprising:
a third connection portion,
wherein the second airflow guide portion is connected to the first airflow guide portion through the third connection portion.
19 . The air-curtain forming structure of claim 18 , wherein a plurality of third connection portions are arranged between the second airflow guide portion and the first airflow guide portion, the plurality of third connection portions are sequentially spaced in a circumferential direction of the second airflow guide portion, and the second air inlet channel is formed between adjacent third connection portions.
20 . The air-curtain forming structure of claim 13 , further comprising:
a second airflow guide portion arranged on one side of the first airflow guide portion away from the air outlet,
wherein the second airflow guide portion is obliquely arranged in a direction away from the inner wall of the airflow channel and the air outlet to form the second air inlet channel,
wherein an airflow entering through the second air inlet channel is used to guide the vapor to be outputted from the air outlet.
21 . The air-curtain forming structure of claim 20 , wherein the air-curtain forming structure comprises a vaporizer applicable to the electronic vaporization device,
wherein the vaporizer comprises a vaporization suction nozzle and a vapor generation device,
wherein the second airflow guide portion is arranged in the vaporization suction nozzle, and
wherein the second air inlet channel is formed between the second airflow guide portion and the vapor generation device.
22 . The air-curtain forming structure of claim 21 , further comprising: a converging channel,
wherein one end of the converging channel comprises an air inlet and an other end of the converging channel comprises a diverging opening, and
wherein the diverging opening is respectively in communication with the first air inlet channel and the second air inlet channel.
23 . The air-curtain forming structure of claim 22 , wherein a center line of the diverging opening extends through a joint of the first airflow guide portion and the second airflow guide portion.
24 . The air-curtain forming structure of claim 22 , wherein a center line of the diverging opening passes between the first airflow guide portion and the second airflow guide portion.
25 . The air-curtain forming structure of claim 22 , wherein the converging channel comprises a first channel section and a second channel section that are in communication with each other,
wherein an end opening of the first channel section away from the second channel section comprises the diverging opening,
wherein an end opening of the second channel section away from the first channel section comprises the air inlet, and
wherein an extending direction of the first channel section is different from that of the second channel section.
26 . The air-curtain forming structure of claim 21 , wherein the vapor generation device comprises a mounting portion, the mounting portion comprises a mounting protrusion and a vent groove, and the mounting protrusion is configured to fix the vaporization suction nozzle,
wherein the first channel section is formed between the vaporization suction nozzle and the mounting portion, and
wherein the second channel section is formed between the vent groove and the vaporization suction nozzle.
27 . The air-curtain forming structure of claim 21 , wherein a periphery of the vaporization suction nozzle is provided with limiting grooves surrounding in a circumferential direction thereof, and
wherein the limiting grooves are configured to place elastic rings such that the vaporization suction nozzle is fixed to the vapor generation device.
28 . The air-curtain forming structure of claim 3 , wherein the air-curtain forming structure comprises a vaporizer applicable to the electronic vaporization device,
wherein the vaporizer comprises a vaporization cavity,
wherein the airflow channel is provided in the vaporization cavity, and
wherein the first air inlet channel is provided at a position on the bottom of the vaporization cavity close to an inner wall of the vaporization cavity such that the blocking airflow is formed between the inner wall of the vaporization cavity and the vapor.
29 . The air-curtain forming structure of claim 28 , wherein the vaporizer further comprises a second air inlet channel,
wherein an airflow entering through the second air inlet channel is used to guide the vapor to be outputted from the air outlet,
wherein the second air inlet channel is provided on a bottom of the vaporization cavity, and
wherein the first air inlet channel is close to an edge of the bottom of the vaporization cavity relative to the second air inlet channel.
30 . The air-curtain forming structure of claim 29 , wherein the first air inlet channel is respectively provided on two opposite sides of the second air inlet channel.
31 . The air-curtain forming structure of claim 28 , wherein the air-curtain forming structure comprises a plurality of first air inlet channels,
wherein the plurality of first air inlet channels are spaced apart from each other, and/or
wherein a cross section of the first air inlet channel is strip-shaped.
32 . The air-curtain forming structure of claim 1 , wherein the air-curtain forming structure comprises a vaporizer applicable to the electronic vaporization device,
wherein and the vaporizer comprises an air outlet channel,
wherein the airflow channel is provided in the air outlet channel, and
wherein the first air inlet channel is provided on a side wall of the air outlet channel such that the blocking airflow is formed between an inner wall of the air outlet channel and the vapor.
33 . The air-curtain forming structure of claim 32 , wherein the vaporizer further comprises a vaporization cavity in communication with the air outlet channel, and
wherein the first air inlet channel is provided on a part of the air outlet channel close to the vaporization cavity.
34 . The air-curtain forming structure of claim 32 , wherein the vaporizer comprises a plurality of first air inlet channels sequentially spaced apart from each other in a circumferential direction of the air outlet channel.
35 . The air-curtain forming structure of claim 32 , wherein the first air inlet channel comprises a circular hole or an elongated hole.
36 . An electronic vaporization device, comprising:
a main body; and
an air-curtain forming structure,
wherein the main body is connected to the air-curtain forming structure, and
wherein the air-curtain forming structure comprises:
an airflow channel configured to deliver vapor, the airflow channel extending in an axial direction, the airflow channel having an inner wall, the inner wall extending parallel to the axial direction and circumferentially around the axial direction;
a first air inlet channel in communication with the airflow channel and configured to introduce an external airflow into the airflow channel so as to form a blocking airflow at a first radial distance relative to the vapor between the inner wall of the airflow channel and the vapor; and
a second air inlet channel in communication with the airflow channel, the second air inlet channel being configured to introduce a second external airflow into the airflow channel so as to form a second airflow at a second radial distance relative to the vapor between the inner wall of the airflow channel and the vapor,
wherein the first radial distance is greater than the second radial distance such that the blocking airflow is formed closer to the inner wall of the airflow channel than the second airflow.