Electronic atomizing device and atomizer having the same

Patent metadata

Field	Value
Publication number	US-2022007731-A1
Application number	US-202117485210-A
Country	US
Kind code	A1
Filing date	Sep 24, 2021
Priority date	Jun 17, 2019
Publication date	Jan 13, 2022
Grant date	—

Abstract

An electronic atomization device and an atomizer having same. The atomizer comprises an atomization component, a liquid storage cavity connected to the atomization component for liquid conduction, and a gas channel communicated with the atomization component for gas conduction. The atomizer further comprises a gas-liquid equilibrium element and a gas inlet communicated with the gas-liquid equilibrium element. The gas-liquid equilibrium element comprises liquid storage tanks with capillary force function and a gas return groove. One end of the gas return groove is communicated with the liquid storage cavity, and the other end is communicated with the gas inlet. The gas return groove is communicated with the liquid storage tanks such that the liquid storage tanks are communicated with the liquid storage cavity.

First claim

What is claimed is:

1 . An atomizer, comprising an atomization assembly, a liquid storage cavity fluidly connected to the atomization assembly, and an air flow passage communicated with the atomization assembly; wherein, the atomizer further comprises an air-liquid equilibrium element and an air inlet communicated with the air-liquid equilibrium element;
the air-liquid equilibrium element comprises liquid storage grooves with capillary force function and an air backflow groove; the air backflow groove has one end communicated with the liquid storage cavity, and another end communicated with the air inlet; the air backflow groove is communicated with the liquid storage grooves such that the liquid storage grooves are communicated with the liquid storage cavity.

2 . The atomizer according to claim 1 , wherein the air inlet is separated from the air flow passage.

3 . The atomizer according to claim 1 , wherein the air-liquid equilibrium element comprises a surface tension isolation groove, the air backflow groove and the surface tension isolation groove are respectively disposed at two opposite sides of the air-liquid equilibrium element, and the air backflow groove is communicated with the air inlet through the surface tension isolation groove.

4 . The atomizer according to claim 3 , wherein the air-liquid equilibrium element comprises a plurality of fins disposed in parallel and at intervals, one of the liquid storage grooves is formed between evert two adjacent fins.

5 . The atomizer according to claim 4 , wherein the plurality of fins are disposed along an axial direction of the air-liquid equilibrium element, and the liquid storage grooves are distributed on an outer circumferential surface of the air-liquid equilibrium element.

6 . The atomizer according to claim 4 , wherein the surface tension isolation groove and the air backflow groove laterally cut at least some of the fins, and respectively communicate corresponding liquid storage grooves with each other.

7 . The atomizer according to claim 6 , wherein the air backflow groove laterally cuts at least some of the fins along a direction being parallel to an axis of the air-liquid equilibrium element, and communicates at least some of the liquid storage grooves with the liquid storage cavity; the surface tension isolation groove laterally cuts all of the fins along a direction being parallel to an axis of the air-liquid equilibrium element, and communicates the liquid storage grooves with each other.

8 . The atomizer according to claim 1 , wherein the atomizer comprises a liquid storage casing, the air-liquid equilibrium element is filled in the liquid storage casing along an axial direction, and has an outer wall surface tightly abutting an inner surface of a side wall of the liquid storage casing.

9 . The atomizer according to claim 8 , wherein the liquid storage casing comprises a bottom wall, a space is formed between the bottom wall and the air-liquid equilibrium element, and the space forms the liquid storage cavity.

10 . The atomizer according to claim 8 , wherein the liquid storage casing comprises an opening end, and the opening end is sheathed on the atomization assembly.

11 . The atomizer according to claim 8 , wherein the air inlet is formed on a side wall of the liquid storage casing.

12 . The atomizer according to claim 4 , wherein the fins comprise a plurality of first fins being close to the liquid storage cavity and a plurality of second fins being far away from the liquid storage cavity, first liquid storage grooves are formed between adjacent first fins, second liquid storage grooves are formed between adjacent second fins, and a width of a second liquid storage groove is larger than a width of a first liquid storage groove.

13 . The atomizer according to claim 12 , wherein the air backflow groove laterally cuts the first fins and at least some of the second fins along a direction being parallel to an axis of the air-liquid equilibrium element, and communicates the first liquid storage grooves and at least some of the second liquid storage grooves with the liquid storage cavity.

14 . The atomizer according to claim 1 , wherein a width of the air backflow groove is from 0.05 mm to 0.2 mm.

15 . The atomizer according to claim 1 , wherein the air-liquid equilibrium element further comprises a central through hole, the atomizer further comprises a liquid guide element inserting in the central through hole, the liquid guide element fluidly connects the atomization assembly with the liquid storage cavity.

16 . The atomizer according to claim 15 , wherein the air-liquid equilibrium element further comprises a through groove communicating at least some of the liquid storage grooves with the central through hole.

17 . The atomizer according to claim 1 , wherein the atomizer further comprises a base and a housing connected with the base, the atomization assembly is mounted on the base, the base comprises an atomizing cavity corresponding to the atomization assembly, the housing comprises a gap communicated with the atomizing cavity; the atomizing cavity and the gap form a part of the air flow passage.

18 . The atomizer according to claim 17 , wherein the atomization assembly comprises a porous ceramic substrate mounted on the atomization base and a heating element disposed on the porous ceramic substrate, the porous ceramic substrate comprises a liquid absorption surface and an atomizing surface, the liquid absorption surface is connected with a lower end of the liquid guide element, the heating element is mounted on the atomizing surface, and the atomizing surface corresponds to the atomizing cavity.

19 . An electronic atomizing device comprising an atomizer, wherein the atomizer comprises an atomization assembly, a liquid storage cavity fluidly connected to the atomization assembly, and an air flow passage communicated with the atomization assembly; wherein the atomizer further comprises an air-liquid equilibrium element and an air inlet communicated with the air-liquid equilibrium element; the air-liquid equilibrium element comprises liquid storage grooves with capillary force function and an air backflow groove; the air backflow groove has one end communicated with the liquid storage cavity, and another end communicated with the air inlet; the air backflow groove is communicated with the liquid storage grooves such that the liquid storage grooves are communicated with the liquid storage cavity.

20 . An electronic atomizing device, comprising:
an atomizer configured to heat liquid medium to generate aerosol; and a power supply device electrically connected with the atomizer to power the atomizer; wherein the atomizer comprises a liquid storage cavity configured to store the liquid medium, an atomization assembly communicated with the atomization assembly and configured to atomize the liquid medium to generate the aerosol, an air flow passage communicated with the atomization assembly and configured to output the aerosol, and an air-liquid equilibrium element communicating with the liquid storage cavity and configured to balance a air pressure in the liquid storage cavity.

Assignees

• Shenzhen Smoore Technology Ltd

Inventors

• Lei Guilin

Classifications

• A24F40/10

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